/* roulang page: index */
:root {
            --yc-primary: #1A1D23;
            --yc-primary-2: #21252D;
            --yc-accent: #C8553D;
            --yc-accent-hover: #B74A35;
            --yc-accent-soft: rgba(200, 85, 61, 0.12);
            --yc-bg: #FAF7F2;
            --yc-bg-alt: #F0ECE5;
            --yc-text: #2A2A2A;
            --yc-text-muted: #6B6B6B;
            --yc-border: #E4DED4;
            --yc-white: #FFFFFF;
            --yc-radius: 10px;
            --yc-radius-sm: 8px;
            --yc-shadow: 0 2px 8px rgba(26, 29, 35, 0.05);
            --yc-shadow-hover: 0 8px 24px rgba(26, 29, 35, 0.10);
            --yc-space-base: 24px;
            --yc-space-lg: 80px;
            --yc-container: 1200px;
            --yc-font-title: 'Noto Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --yc-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--yc-bg);
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            font-size: 16px;
            line-height: 1.85;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--yc-primary);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--yc-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--yc-font-title);
            color: var(--yc-primary);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: clamp(1.75rem, 4vw, 3rem);
            letter-spacing: -0.01em;
        }

        h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.1rem);
            margin-bottom: 1.2rem;
        }

        h3 {
            font-size: clamp(1.15rem, 1.8vw, 1.4rem);
            margin-bottom: 0.75rem;
        }

        p {
            color: var(--yc-text);
            margin-bottom: 1.2rem;
        }

        .text-muted {
            color: var(--yc-text-muted);
        }

        .site-container {
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 768px) {
            .site-container {
                padding: 0 32px;
            }
        }

        @media (min-width: 1024px) {
            .site-container {
                padding: 0 40px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(26, 29, 35, 0.06);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }

        .nav-group-left,
        .nav-group-right {
            display: none;
            align-items: center;
            gap: 1.2rem;
            flex: 1;
        }

        .nav-group-left {
            justify-content: flex-end;
        }

        .nav-group-right {
            justify-content: flex-start;
        }

        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            padding: 0 1.5rem;
        }

        .nav-logo a {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: inline-block;
            position: relative;
        }

        .nav-logo a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 0;
            height: 3px;
            background: var(--yc-accent);
            transition: width 0.3s ease, left 0.3s ease;
            border-radius: 2px;
        }

        .nav-logo a:hover::after {
            width: 100%;
            left: 0;
        }

        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.45rem 0.2rem;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--yc-accent);
            transition: width 0.25s ease, left 0.25s ease;
            border-radius: 1px;
        }

        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--yc-accent);
        }

        .nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            color: var(--yc-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }

        .mobile-nav {
            display: none;
            background: var(--yc-white);
            border-top: 1px solid var(--yc-border);
            padding: 1rem 1.5rem 1.5rem;
            box-shadow: 0 16px 32px rgba(26, 29, 35, 0.10);
        }

        .mobile-nav.is-open {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-nav-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }

        .mobile-nav-group:last-child {
            margin-bottom: 0;
        }

        .mobile-nav-label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--yc-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.2rem;
        }

        .mobile-nav-link {
            display: block;
            padding: 0.6rem 0.8rem;
            font-size: 0.95rem;
            color: var(--yc-primary);
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .mobile-nav-link:hover,
        .mobile-nav-link:focus-visible {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }

        .mobile-nav-link.active {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
            font-weight: 600;
        }

        @media (min-width: 1024px) {
            .nav-group-left,
            .nav-group-right {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
            .mobile-nav {
                display: none !important;
            }
        }

        @media (max-width: 1023px) {
            .site-nav {
                justify-content: space-between;
            }
            .nav-logo {
                padding: 0;
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .nav-logo a {
                font-size: 1.25rem;
            }
        }

        /* ========== Hero ========== */
        .hero {
            background: var(--yc-primary);
            position: relative;
            overflow: hidden;
            padding: 3.5rem 0 2.5rem;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(circle at 20% 80%, rgba(200, 85, 61, 0.14) 0%, transparent 45%),
                radial-gradient(circle at 80% 20%, rgba(200, 85, 61, 0.10) 0%, transparent 40%),
                repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(255, 255, 255, 0.025) 60px, rgba(255, 255, 255, 0.025) 61px);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
            margin-bottom: 1.5rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--yc-radius);
            padding: 0.8rem 1.4rem;
            backdrop-filter: blur(8px);
        }

        .hero-status-item {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            color: #E8E4DE;
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 0.01em;
        }

        .hero-status-item i {
            color: var(--yc-accent);
            font-size: 0.95rem;
        }

        .hero-status-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #4CAF50;
            animation: pulse 2s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(76, 175, 80, 0);
            }
        }

        .hero-main {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.2rem;
            align-items: center;
        }

        .hero-text h1 {
            color: #F5F1EB;
            font-size: clamp(1.7rem, 4.2vw, 2.9rem);
            letter-spacing: -0.015em;
            margin-bottom: 0.8rem;
            line-height: 1.25;
        }

        .hero-text .hero-sub {
            color: #CFC9C0;
            font-size: 1.03rem;
            line-height: 1.8;
            max-width: 540px;
            margin-bottom: 1.8rem;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
        }

        .hero-icon-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.9rem;
        }

        .hero-icon-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--yc-radius);
            padding: 1.2rem 1.1rem;
            text-align: center;
            transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }

        .hero-icon-card:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(200, 85, 61, 0.45);
            transform: translateY(-3px);
        }

        .hero-icon-card i {
            font-size: 1.5rem;
            color: var(--yc-accent);
            margin-bottom: 0.5rem;
        }

        .hero-icon-card span {
            display: block;
            color: #E8E4DE;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.01em;
        }

        @media (min-width: 768px) {
            .hero {
                padding: 5rem 0 3.5rem;
            }
            .hero-main {
                grid-template-columns: 1.15fr 1fr;
                gap: 3rem;
            }
            .hero-icon-grid {
                gap: 1rem;
            }
            .hero-icon-card {
                padding: 1.5rem 1.2rem;
            }
            .hero-icon-card i {
                font-size: 1.75rem;
            }
        }

        @media (min-width: 1024px) {
            .hero {
                padding: 6rem 0 4.5rem;
            }
            .hero-main {
                gap: 4rem;
            }
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            border-radius: var(--yc-radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            letter-spacing: 0.02em;
            font-family: var(--yc-font-body);
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--yc-accent-hover);
            border-color: var(--yc-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(200, 85, 61, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(200, 85, 61, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: var(--yc-primary);
            border-color: var(--yc-primary);
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: var(--yc-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(26, 29, 35, 0.25);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-light {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
        }

        .btn-light:hover,
        .btn-light:focus-visible {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 0.55rem 1.1rem;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 1rem 2.2rem;
            font-size: 1.02rem;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--yc-accent);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0;
            background: none;
            border: none;
            cursor: pointer;
            transition: gap 0.25s ease, color 0.25s ease;
        }

        .btn-link:hover,
        .btn-link:focus-visible {
            color: var(--yc-accent-hover);
            gap: 0.65rem;
            outline: none;
        }

        /* ========== Sections ========== */
        .section {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 5.5rem 0;
            }
        }

        @media (min-width: 1024px) {
            .section {
                padding: 7rem 0;
            }
        }

        .section-alt {
            background: var(--yc-bg-alt);
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            margin-bottom: 0.6rem;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--yc-text-muted);
            max-width: 640px;
            margin-bottom: 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 0.6rem;
            text-transform: uppercase;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--yc-primary);
            color: #D5D0C8;
            padding: 3.5rem 0 2rem;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand p {
            color: #B8B2A8;
            font-size: 0.92rem;
            line-height: 1.85;
            max-width: 340px;
            margin-bottom: 1rem;
        }

        .footer-brand .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: #F5F1EB;
            display: block;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .footer-col h4 {
            color: #F5F1EB;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #B8B2A8;
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }

        .footer-col ul li a:hover,
        .footer-col ul li a:focus-visible {
            color: var(--yc-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: #9A958B;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }

        .footer-bottom-links a {
            color: #B8B2A8;
            font-size: 0.85rem;
        }

        .footer-bottom-links a:hover {
            color: var(--yc-accent);
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }

        /* ========== Fixed bottom CTA ========== */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--yc-primary);
            z-index: 90;
            padding: 0.7rem 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 -4px 20px rgba(26, 29, 35, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .fixed-bottom-cta.is-visible {
            transform: translateY(0);
        }

        .fixed-bottom-cta p {
            color: #E8E4DE;
            font-size: 0.88rem;
            margin: 0;
            letter-spacing: 0.01em;
        }

        .fixed-bottom-cta .btn {
            white-space: nowrap;
            flex-shrink: 0;
        }

        @media (max-width: 575px) {
            .fixed-bottom-cta {
                padding: 0.55rem 0.8rem;
                gap: 0.6rem;
            }
            .fixed-bottom-cta p {
                font-size: 0.78rem;
            }
            .fixed-bottom-cta .btn {
                padding: 0.45rem 0.9rem;
                font-size: 0.8rem;
            }
        }

        body.has-bottom-cta {
            padding-bottom: 72px;
        }

        @media (max-width: 575px) {
            body.has-bottom-cta {
                padding-bottom: 56px;
            }
        }

        /* ========== Cards ========== */
        .card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(200, 85, 61, 0.35);
        }

        .card-img {
            aspect-ratio: 16 / 9;
            background: var(--yc-bg-alt);
            overflow: hidden;
            position: relative;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card:hover .card-img img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 1.3rem 1.4rem;
        }

        .card-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
            padding: 0.25rem 0.7rem;
            border-radius: 16px;
            letter-spacing: 0.04em;
            margin-bottom: 0.5rem;
        }

        .card-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0.3rem 0 0.5rem;
            line-height: 1.45;
        }

        .card-title a {
            color: var(--yc-primary);
            transition: color 0.25s ease;
        }

        .card-title a:hover,
        .card-title a:focus-visible {
            color: var(--yc-accent);
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--yc-text-muted);
            line-height: 1.75;
            margin-bottom: 0.8rem;
        }

        .card-footer {
            padding: 0.8rem 1.4rem;
            border-top: 1px solid var(--yc-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
        }

        .card-date {
            font-size: 0.78rem;
            color: var(--yc-text-muted);
            letter-spacing: 0.02em;
        }

        /* ========== News list ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            overflow: hidden;
        }

        .news-item {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.2rem;
            padding: 1.1rem 1.4rem;
            border-bottom: 1px solid var(--yc-border);
            transition: background 0.25s ease;
            align-items: flex-start;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            background: #FDFBF8;
        }

        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
            padding: 0.25rem 0.7rem;
            border-radius: 6px;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin-bottom: 0.25rem;
            line-height: 1.5;
        }

        .news-title a {
            color: var(--yc-primary);
        }

        .news-title a:hover {
            color: var(--yc-accent);
        }

        .news-excerpt {
            font-size: 0.87rem;
            color: var(--yc-text-muted);
            line-height: 1.7;
            margin-bottom: 0.3rem;
        }

        @media (max-width: 575px) {
            .news-item {
                flex-direction: column;
                gap: 0.4rem;
                padding: 1rem 1.1rem;
            }
            .news-date {
                align-self: flex-start;
            }
        }

        /* ========== Badge ========== */
        .badge-outline {
            display: inline-block;
            font-size: 0.74rem;
            font-weight: 600;
            color: var(--yc-primary);
            border: 1px solid var(--yc-primary);
            padding: 0.25rem 0.7rem;
            border-radius: 16px;
            letter-spacing: 0.03em;
            transition: all 0.25s ease;
            background: transparent;
        }

        .badge-outline:hover {
            background: var(--yc-primary);
            color: #fff;
        }

        .badge-accent {
            display: inline-block;
            font-size: 0.74rem;
            font-weight: 700;
            color: #fff;
            background: var(--yc-accent);
            padding: 0.25rem 0.8rem;
            border-radius: 16px;
            letter-spacing: 0.03em;
        }

        /* ========== Stat bar ========== */
        .stat-bar {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            padding: 1.8rem 1.4rem;
            background: var(--yc-primary);
            border-radius: var(--yc-radius);
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--yc-accent);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.82rem;
            color: #CFC9C0;
            margin-top: 0.2rem;
        }

        @media (min-width: 768px) {
            .stat-bar {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
                padding: 2.2rem 2rem;
            }
            .stat-value {
                font-size: 2.3rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-accordion {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px solid var(--yc-border);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--yc-primary);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--yc-font-body);
            transition: background 0.25s ease, color 0.25s ease;
        }

        .faq-question:hover,
        .faq-question:focus-visible {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
            outline: none;
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--yc-accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.is-open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.4rem;
        }

        .faq-item.is-open .faq-answer {
            max-height: 500px;
            padding: 0 1.4rem 1.2rem;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.92rem;
            color: var(--yc-text-muted);
            line-height: 1.8;
        }

        /* ========== Timeline ========== */
        .timeline {
            position: relative;
            padding-left: 1.8rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--yc-border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 1.4rem;
            padding-left: 1rem;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -1.8rem;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--yc-white);
            border: 3px solid var(--yc-accent);
            z-index: 2;
        }

        .timeline-date {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--yc-accent);
            letter-spacing: 0.04em;
            margin-bottom: 0.2rem;
        }

        .timeline-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin-bottom: 0.25rem;
        }

        .timeline-text {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== Form ========== */
        .form-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            padding: 1.8rem;
        }

        .form-group {
            margin-bottom: 1.2rem;
        }

        .form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--yc-primary);
            margin-bottom: 0.4rem;
            letter-spacing: 0.01em;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            background: var(--yc-bg);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            padding: 0.7rem 0.9rem;
            font-size: 0.92rem;
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            min-height: 46px;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--yc-accent);
            box-shadow: 0 0 0 3px rgba(200, 85, 61, 0.12);
            outline: none;
            background: #fff;
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        @media (min-width: 768px) {
            .form-card {
                padding: 2.2rem;
            }
        }

        /* ========== Grid helpers ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.4rem;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.4rem;
        }

        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr 1fr;
                gap: 1.8rem;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.8rem;
            }
        }

        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
            }
        }

        /* ========== Benefit section ========== */
        .benefit-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
        }

        @media (min-width: 768px) {
            .benefit-row {
                grid-template-columns: 1.1fr 0.9fr 1fr;
                gap: 1.5rem;
            }
        }

        .benefit-item {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            padding: 1.5rem 1.4rem;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .benefit-item i {
            font-size: 1.4rem;
            color: var(--yc-accent);
        }

        .benefit-item h3 {
            font-size: 1.08rem;
            margin: 0;
        }

        .benefit-item p {
            font-size: 0.9rem;
            color: var(--yc-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== Eligibility ========== */
        .eligibility-box {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            padding: 2rem 1.6rem;
        }

        .eligibility-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.7rem;
        }

        .eligibility-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .eligibility-list li i {
            color: var(--yc-accent);
            font-size: 1rem;
            margin-top: 0.35rem;
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .eligibility-list {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem 1.5rem;
            }
            .eligibility-box {
                padding: 2.5rem 2.2rem;
            }
        }

        /* ========== Steps ========== */
        .steps-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
            counter-reset: step;
        }

        .step-item {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            padding: 1.4rem 1.3rem;
            position: relative;
            counter-increment: step;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .step-item:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-3px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--yc-accent);
            color: #fff;
            font-weight: 800;
            font-size: 0.95rem;
            border-radius: 50%;
            margin-bottom: 0.6rem;
        }

        .step-item h3 {
            font-size: 1.02rem;
            margin-bottom: 0.3rem;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        @media (min-width: 768px) {
            .steps-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }

        /* ========== Topic tags ========== */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--yc-primary);
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: 24px;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .topic-tag:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(200, 85, 61, 0.25);
        }

        .topic-tag i {
            font-size: 0.75rem;
        }

        /* ========== Deep content ========== */
        .deep-content {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            padding: 1.8rem 1.5rem;
            margin-bottom: 1.5rem;
        }

        .deep-content h3 {
            margin-bottom: 0.8rem;
        }

        .deep-content p {
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--yc-text);
            margin-bottom: 0.8rem;
            max-width: 720px;
        }

        .deep-content blockquote {
            border-left: 3px solid var(--yc-accent);
            padding: 0.5rem 0 0.5rem 1.2rem;
            margin: 1rem 0;
            font-size: 0.95rem;
            color: var(--yc-text-muted);
            font-style: italic;
        }

        @media (min-width: 768px) {
            .deep-content {
                padding: 2.4rem 2.2rem;
            }
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--yc-primary);
            padding: 3.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 50%, rgba(200, 85, 61, 0.2) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-section .site-container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            color: #F5F1EB;
            margin-bottom: 0.6rem;
        }

        .cta-section p {
            color: #CFC9C0;
            max-width: 560px;
            margin: 0 auto 1.6rem;
        }

        /* ========== Misc ========== */
        .text-center {
            text-align: center;
        }

        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Responsive images */
        .img-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        /* Media frame */
        .media-frame {
            background: var(--yc-bg-alt);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            overflow: hidden;
            position: relative;
        }

        .media-frame img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .media-frame .media-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(26, 29, 35, 0.75) 100%);
            display: flex;
            align-items: flex-end;
            padding: 1rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
        }

/* roulang page: category3 */
:root {
            --yc-primary: #1A1D23;
            --yc-primary-2: #21252D;
            --yc-accent: #C8553D;
            --yc-accent-hover: #B74A35;
            --yc-accent-soft: rgba(200, 85, 61, 0.12);
            --yc-bg: #FAF7F2;
            --yc-bg-alt: #F0ECE5;
            --yc-text: #2A2A2A;
            --yc-text-muted: #6B6B6B;
            --yc-border: #E4DED4;
            --yc-white: #FFFFFF;
            --yc-radius: 10px;
            --yc-radius-sm: 8px;
            --yc-shadow: 0 2px 8px rgba(26, 29, 35, 0.05);
            --yc-shadow-hover: 0 8px 24px rgba(26, 29, 35, 0.10);
            --yc-space-base: 24px;
            --yc-space-lg: 80px;
            --yc-container: 1200px;
            --yc-font-title: 'Noto Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --yc-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--yc-bg);
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            font-size: 16px;
            line-height: 1.85;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--yc-primary);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--yc-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .text-muted {
            color: var(--yc-text-muted);
        }

        .site-container {
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 768px) {
            .site-container {
                padding: 0 32px;
            }
        }

        @media (min-width: 1024px) {
            .site-container {
                padding: 0 40px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(26, 29, 35, 0.06);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }

        .nav-group-left,
        .nav-group-right {
            display: none;
            align-items: center;
            gap: 1.2rem;
            flex: 1;
        }

        .nav-group-left {
            justify-content: flex-end;
        }

        .nav-group-right {
            justify-content: flex-start;
        }

        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            padding: 0 1.5rem;
        }

        .nav-logo a {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: inline-block;
            position: relative;
        }

        .nav-logo a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 0;
            height: 3px;
            background: var(--yc-accent);
            transition: width 0.3s ease, left 0.3s ease;
            border-radius: 2px;
        }

        .nav-logo a:hover::after {
            width: 100%;
            left: 0;
        }

        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.45rem 0.2rem;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--yc-accent);
            transition: width 0.25s ease, left 0.25s ease;
            border-radius: 1px;
        }

        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--yc-accent);
        }

        .nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            color: var(--yc-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }

        .mobile-nav {
            display: none;
            background: var(--yc-white);
            border-top: 1px solid var(--yc-border);
            padding: 1rem 1.5rem 1.5rem;
            box-shadow: 0 16px 32px rgba(26, 29, 35, 0.10);
        }

        .mobile-nav.is-open {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }

        .mobile-nav-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }

        .mobile-nav-group:last-child {
            margin-bottom: 0;
        }

        .mobile-nav-label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--yc-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.3rem;
        }

        .mobile-nav-link {
            display: block;
            padding: 0.6rem 0.75rem;
            border-radius: var(--yc-radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--yc-primary);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .mobile-nav-link:hover {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }

        .mobile-nav-link.active {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
            font-weight: 600;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (min-width: 1024px) {
            .nav-group-left,
            .nav-group-right {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
            .mobile-nav {
                display: none !important;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            padding: 0.75rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--yc-text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--yc-border);
            margin: 0 0.2rem;
        }

        .breadcrumb a {
            color: var(--yc-text-muted);
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover {
            color: var(--yc-accent);
        }

        .breadcrumb .current {
            color: var(--yc-primary);
            font-weight: 600;
        }

        /* ========== Page Hero (窄横条) ========== */
        .page-hero {
            background: var(--yc-primary);
            padding: 2.75rem 0 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(200, 85, 61, 0.18);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .page-hero-inner {
            position: relative;
            z-index: 1;
            max-width: 820px;
        }

        .page-hero .hero-tag {
            display: inline-block;
            background: var(--yc-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 0.75rem;
        }

        .page-hero h1 {
            font-family: var(--yc-font-title);
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.6rem;
            line-height: 1.35;
        }

        .page-hero p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 680px;
            margin: 0;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 2rem 0 1.75rem;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
        }

        /* ========== Filter Tags ========== */
        .filter-section {
            padding: 1.5rem 0 0;
            background: var(--yc-bg);
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 1rem;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--yc-border);
            background: var(--yc-white);
            color: var(--yc-text);
            cursor: pointer;
            transition: all 0.25s ease;
            user-select: none;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--yc-accent);
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
        }

        .filter-tag.active {
            background: var(--yc-primary);
            color: #fff;
            border-color: var(--yc-primary);
        }

        /* ========== Card Grid Section ========== */
        .grid-section {
            padding: 2rem 0 1rem;
            background: var(--yc-bg);
        }

        .grid-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .grid-heading h2 {
            font-family: var(--yc-font-title);
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0;
            color: var(--yc-primary);
            letter-spacing: 0.01em;
        }

        .grid-heading .count-badge {
            font-size: 0.8rem;
            color: var(--yc-text-muted);
            background: var(--yc-bg-alt);
            padding: 0.3rem 0.8rem;
            border-radius: 16px;
            font-weight: 500;
        }

        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 576px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.75rem;
            }
        }

        .brand-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            overflow: hidden;
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }

        .brand-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-4px);
        }

        .brand-card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--yc-bg-alt);
            flex-shrink: 0;
        }

        .brand-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .brand-card:hover .brand-card-image img {
            transform: scale(1.04);
        }

        .brand-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--yc-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.22rem 0.65rem;
            border-radius: 14px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .brand-card-body {
            padding: 1.1rem 1.15rem 1.25rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .brand-card-date {
            font-size: 0.78rem;
            color: var(--yc-text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .brand-card-date i {
            font-size: 0.7rem;
            color: var(--yc-accent);
        }

        .brand-card-title {
            font-family: var(--yc-font-title);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--yc-primary);
            line-height: 1.5;
            margin: 0 0 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .brand-card-title a {
            color: inherit;
            transition: color 0.25s ease;
        }

        .brand-card-title a:hover {
            color: var(--yc-accent);
        }

        .brand-card-excerpt {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            line-height: 1.7;
            margin: 0 0 0.9rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .brand-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--yc-accent);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap 0.25s ease, color 0.25s ease;
        }

        .brand-card-link i {
            font-size: 0.75rem;
            transition: transform 0.25s ease;
        }

        .brand-card:hover .brand-card-link {
            gap: 0.5rem;
        }

        .brand-card:hover .brand-card-link i {
            transform: translateX(2px);
        }

        /* ========== Deep Reading Section ========== */
        .deep-reading {
            padding: 3.5rem 0 3rem;
            background: var(--yc-bg-alt);
        }

        .deep-reading-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 1024px) {
            .deep-reading-grid {
                grid-template-columns: 1fr 1.2fr;
                gap: 3rem;
                align-items: center;
            }
        }

        .deep-reading-image {
            border-radius: var(--yc-radius);
            overflow: hidden;
            box-shadow: var(--yc-shadow);
            aspect-ratio: 4/3;
            background: var(--yc-white);
        }

        .deep-reading-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-reading-content h2 {
            font-family: var(--yc-font-title);
            font-size: 1.7rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            color: var(--yc-primary);
        }

        .deep-reading-content .lead {
            font-size: 1.05rem;
            color: var(--yc-text);
            line-height: 1.85;
            margin-bottom: 1.25rem;
        }

        .deep-reading-content p {
            font-size: 0.95rem;
            color: var(--yc-text-muted);
            line-height: 1.85;
            margin-bottom: 0.9rem;
        }

        .deep-reading-list {
            list-style: none;
            padding: 0;
            margin: 1.25rem 0 0;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .deep-reading-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.92rem;
            color: var(--yc-text);
            line-height: 1.7;
        }

        .deep-reading-list li i {
            color: var(--yc-accent);
            font-size: 0.8rem;
            margin-top: 0.4rem;
            flex-shrink: 0;
        }

        /* ========== Stats Section ========== */
        .stats-section {
            padding: 3rem 0;
            background: var(--yc-primary);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -15%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(200, 85, 61, 0.15);
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 2rem;
            }
        }

        .stat-item {
            text-align: center;
            padding: 1.25rem 0.5rem;
        }

        .stat-number {
            font-family: var(--yc-font-title);
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            display: block;
        }

        .stat-number span {
            color: var(--yc-accent);
        }

        .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.35rem;
            display: block;
        }

        @media (max-width: 576px) {
            .stat-number {
                font-size: 1.7rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== Spotlight Section ========== */
        .spotlight-section {
            padding: 3.5rem 0 3rem;
            background: var(--yc-bg);
        }

        .spotlight-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .spotlight-heading h2 {
            font-family: var(--yc-font-title);
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0;
            color: var(--yc-primary);
        }

        .spotlight-slider {
            display: flex;
            gap: 1.25rem;
            overflow-x: auto;
            padding-bottom: 0.75rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--yc-border) transparent;
        }

        .spotlight-slider::-webkit-scrollbar {
            height: 5px;
        }

        .spotlight-slider::-webkit-scrollbar-thumb {
            background: var(--yc-border);
            border-radius: 4px;
        }

        .spotlight-slider::-webkit-scrollbar-track {
            background: transparent;
        }

        .spotlight-item {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            overflow: hidden;
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .spotlight-item:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-3px);
        }

        .spotlight-item-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--yc-bg-alt);
        }

        .spotlight-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .spotlight-item:hover .spotlight-item-image img {
            transform: scale(1.04);
        }

        .spotlight-item-body {
            padding: 1rem 1.1rem 1.2rem;
        }

        .spotlight-item-body h3 {
            font-size: 0.98rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: var(--yc-primary);
            line-height: 1.5;
        }

        .spotlight-item-body p {
            font-size: 0.82rem;
            color: var(--yc-text-muted);
            margin: 0;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (min-width: 576px) {
            .spotlight-item {
                flex-basis: 320px;
            }
        }

        @media (min-width: 768px) {
            .spotlight-item {
                flex-basis: 340px;
            }
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-cta {
            padding: 3.5rem 0 4rem;
            background: var(--yc-bg);
        }

        .subscribe-box {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            padding: 2.5rem 1.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--yc-accent), rgba(200, 85, 61, 0.4), transparent);
        }

        .subscribe-box h2 {
            font-family: var(--yc-font-title);
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 0.6rem;
        }

        .subscribe-box p {
            font-size: 0.95rem;
            color: var(--yc-text-muted);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            line-height: 1.75;
        }

        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 0.75rem 1rem;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            font-size: 0.95rem;
            font-family: var(--yc-font-body);
            background: var(--yc-bg);
            color: var(--yc-text);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            outline: none;
            height: 48px;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--yc-accent);
            box-shadow: 0 0 0 3px rgba(200, 85, 61, 0.12);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            background: var(--yc-accent);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border: none;
            border-radius: var(--yc-radius-sm);
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            font-family: var(--yc-font-body);
            white-space: nowrap;
            height: 48px;
        }

        .btn-primary:hover {
            background: var(--yc-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200, 85, 61, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* ========== Bottom Fixed CTA ========== */
        .bottom-fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--yc-primary);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            z-index: 90;
            padding: 0.6rem 0;
            box-shadow: 0 -4px 20px rgba(26, 29, 35, 0.18);
        }

        .bottom-fixed-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 20px;
        }

        .bottom-fixed-cta-text {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.82);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .bottom-fixed-cta .btn-primary {
            height: 38px;
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .bottom-fixed-cta-inner {
                padding: 0 32px;
            }
        }

        @media (min-width: 1024px) {
            .bottom-fixed-cta-inner {
                padding: 0 40px;
            }
        }

        @media (max-width: 576px) {
            .bottom-fixed-cta {
                padding: 0.5rem 0;
            }
            .bottom-fixed-cta-text {
                font-size: 0.78rem;
            }
            .bottom-fixed-cta .btn-primary {
                height: 34px;
                padding: 0.3rem 0.9rem;
                font-size: 0.78rem;
            }
        }

        body {
            padding-bottom: 62px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--yc-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }

        .site-footer .site-container {
            padding: 0 20px;
        }

        @media (min-width: 768px) {
            .site-footer .site-container {
                padding: 0 32px;
            }
        }

        @media (min-width: 1024px) {
            .site-footer .site-container {
                padding: 0 40px;
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        @media (min-width: 576px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.8fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }

        .footer-logo {
            font-family: var(--yc-font-title);
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.68);
            margin: 0;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.9rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-col ul a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.68);
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--yc-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.78rem;
            transition: color 0.25s ease;
        }

        .footer-bottom-links a:hover {
            color: var(--yc-accent);
        }

        @media (max-width: 576px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }
            .footer-bottom-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
        }

        /* ========== Utility ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: category1 */
:root {
            --yc-primary: #1A1D23;
            --yc-primary-2: #21252D;
            --yc-accent: #C8553D;
            --yc-accent-hover: #B74A35;
            --yc-accent-soft: rgba(200, 85, 61, 0.12);
            --yc-bg: #FAF7F2;
            --yc-bg-alt: #F0ECE5;
            --yc-text: #2A2A2A;
            --yc-text-muted: #6B6B6B;
            --yc-border: #E4DED4;
            --yc-white: #FFFFFF;
            --yc-radius: 10px;
            --yc-radius-sm: 8px;
            --yc-shadow: 0 2px 8px rgba(26, 29, 35, 0.05);
            --yc-shadow-hover: 0 8px 24px rgba(26, 29, 35, 0.10);
            --yc-space-base: 24px;
            --yc-space-lg: 80px;
            --yc-container: 1200px;
            --yc-font-title: 'Noto Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --yc-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--yc-bg);
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            font-size: 16px;
            line-height: 1.85;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--yc-primary);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--yc-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .text-muted {
            color: var(--yc-text-muted);
        }

        .site-container {
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 40px;
        }

        @media (max-width: 768px) {
            .site-container {
                padding: 0 20px;
            }
        }

        @media (max-width: 576px) {
            .site-container {
                padding: 0 16px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(26, 29, 35, 0.06);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }

        .nav-group-left,
        .nav-group-right {
            display: none;
            align-items: center;
            gap: 1.2rem;
            flex: 1;
        }

        .nav-group-left {
            justify-content: flex-end;
        }

        .nav-group-right {
            justify-content: flex-start;
        }

        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            padding: 0 1.5rem;
        }

        .nav-logo a {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: inline-block;
            position: relative;
        }

        .nav-logo a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 0;
            height: 3px;
            background: var(--yc-accent);
            transition: width 0.3s ease, left 0.3s ease;
            border-radius: 2px;
        }

        .nav-logo a:hover::after {
            width: 100%;
            left: 0;
        }

        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.45rem 0.2rem;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--yc-accent);
            transition: width 0.25s ease, left 0.25s ease;
            border-radius: 1px;
        }

        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--yc-accent);
        }

        .nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            color: var(--yc-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }

        .mobile-nav {
            display: none;
            background: var(--yc-white);
            border-top: 1px solid var(--yc-border);
            padding: 1rem 1.5rem 1.5rem;
            box-shadow: 0 16px 32px rgba(26, 29, 35, 0.10);
        }

        .mobile-nav.is-open {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .mobile-nav-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }

        .mobile-nav-group:last-child {
            margin-bottom: 0;
        }

        .mobile-nav-label {
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--yc-text-muted);
            margin-bottom: 0.25rem;
        }

        .mobile-nav-link {
            font-size: 1rem;
            font-weight: 500;
            padding: 0.5rem 0.2rem;
            color: var(--yc-primary);
            border-bottom: 1px solid var(--yc-border);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .mobile-nav-link:hover {
            color: var(--yc-accent);
            padding-left: 0.5rem;
        }

        .mobile-nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
            padding-left: 0.5rem;
            border-bottom-color: var(--yc-accent);
        }

        @media (min-width: 769px) {
            .nav-group-left,
            .nav-group-right {
                display: flex;
            }

            .nav-toggle {
                display: none;
            }

            .mobile-nav {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .site-nav {
                min-height: 60px;
            }

            .nav-logo {
                padding: 0 0.5rem;
                flex: 1;
            }

            .nav-logo a {
                font-size: 1.25rem;
            }

            .nav-group-left,
            .nav-group-right {
                display: none;
            }
        }

        /* ========== Buttons ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--yc-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--yc-radius-sm);
            border: 1px solid var(--yc-accent);
            cursor: pointer;
            transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            text-align: center;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--yc-accent-hover);
            border-color: var(--yc-accent-hover);
            color: #fff;
            box-shadow: 0 6px 18px rgba(200, 85, 61, 0.25);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(200, 85, 61, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--yc-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--yc-radius-sm);
            border: 1px solid var(--yc-primary);
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
            text-align: center;
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--yc-primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(26, 29, 35, 0.15);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--yc-accent);
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: color 0.25s ease, gap 0.25s ease;
        }

        .btn-link:hover,
        .btn-link:focus {
            color: var(--yc-accent-hover);
            gap: 0.6rem;
        }

        .btn-link i {
            font-size: 0.8rem;
        }

        /* ========== Badge / Tag ========== */
        .yc-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.7rem;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 999px;
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
            letter-spacing: 0.02em;
        }

        .yc-badge-outline {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.7rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 999px;
            border: 1px solid var(--yc-primary);
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            background: transparent;
        }

        .yc-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 6px;
            background: var(--yc-bg-alt);
            color: var(--yc-text);
            transition: background 0.25s ease, color 0.25s ease;
        }

        .yc-tag:hover,
        .yc-tag:focus {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }

        /* ========== Cards ========== */
        .yc-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            overflow: hidden;
        }

        .yc-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-2px);
            border-color: #d8cec2;
        }

        .yc-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--yc-bg-alt);
        }

        .yc-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .yc-card:hover .yc-card-img img {
            transform: scale(1.04);
        }

        .yc-card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }

        .yc-card-title {
            font-family: var(--yc-font-title);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 0.5rem;
            line-height: 1.5;
        }

        .yc-card-text {
            font-size: 0.9rem;
            color: var(--yc-text-muted);
            margin: 0 0 1rem;
            line-height: 1.8;
        }

        /* ========== Section ========== */
        .section {
            padding: var(--yc-space-lg) 0;
        }

        .section-alt {
            background: var(--yc-bg-alt);
        }

        .section-title {
            font-family: var(--yc-font-title);
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0 0 1rem;
            line-height: 1.4;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--yc-text-muted);
            margin: 0 0 2rem;
            max-width: 720px;
            line-height: 1.8;
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-head .section-title {
            margin-bottom: 0.5rem;
        }

        /* ========== Breadcrumb / Page Header ========== */
        .page-header-banner {
            background: var(--yc-primary);
            color: #fff;
            padding: 2.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .page-header-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 85, 61, 0.2);
            pointer-events: none;
        }

        .page-header-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(200, 85, 61, 0.12);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            margin-bottom: 1rem;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.25s ease;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb i {
            font-size: 0.65rem;
            opacity: 0.6;
        }

        .breadcrumb .current {
            color: #fff;
        }

        .page-header-banner h1 {
            font-family: var(--yc-font-title);
            font-size: 2.5rem;
            font-weight: 800;
            margin: 0 0 0.75rem;
            line-height: 1.35;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }

        .page-header-banner .page-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0;
            line-height: 1.9;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 768px) {
            .page-header-banner {
                padding: 1.75rem 0;
            }
            .page-header-banner h1 {
                font-size: 1.75rem;
            }
            .page-header-banner .page-desc {
                font-size: 0.9rem;
                line-height: 1.7;
            }
        }

        /* ========== News List Layout ========== */
        .news-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            gap: 2rem;
            align-items: start;
        }

        @media (min-width: 769px) {
            .news-layout {
                grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
                gap: 2.5rem;
            }
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 1.5rem;
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            cursor: pointer;
        }

        .news-item:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-1px);
            border-color: #d8cec2;
        }

        .news-date {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            min-width: 64px;
            padding-top: 0.25rem;
        }

        .news-date .day {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-accent);
            line-height: 1.2;
        }

        .news-date .month-year {
            font-size: 0.72rem;
            color: var(--yc-text-muted);
            letter-spacing: 0.04em;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-title {
            font-family: var(--yc-font-title);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 0.4rem;
            line-height: 1.5;
            transition: color 0.25s ease;
        }

        .news-item:hover .news-item-title {
            color: var(--yc-accent);
        }

        .news-item-excerpt {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            margin: 0 0 0.6rem;
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--yc-text-muted);
            flex-wrap: wrap;
        }

        .news-item-meta .yc-badge {
            font-size: 0.72rem;
            padding: 0.2rem 0.6rem;
        }

        @media (max-width: 576px) {
            .news-item {
                flex-direction: column;
                gap: 0.75rem;
                padding: 1rem 1.1rem;
            }
            .news-date {
                flex-direction: row;
                gap: 0.5rem;
                align-items: baseline;
                min-width: auto;
                padding-top: 0;
            }
            .news-date .day {
                font-size: 1.2rem;
            }
        }

        /* ========== Sticky Sidebar ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: sticky;
            top: 88px;
        }

        @media (max-width: 768px) {
            .sidebar {
                position: static;
                top: auto;
            }
        }

        .sidebar-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            padding: 1.5rem;
            box-shadow: var(--yc-shadow);
        }

        .sidebar-card h3 {
            font-family: var(--yc-font-title);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--yc-accent-soft);
        }

        .sidebar-about p {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            margin: 0 0 1rem;
            line-height: 1.8;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .sidebar-tags .yc-tag {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--yc-text);
            background: var(--yc-bg-alt);
            border: none;
            border-radius: 6px;
            padding: 0.3rem 0.8rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
        }
        .sidebar-tags .yc-tag:hover,
        .sidebar-tags .yc-tag:focus {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }

        /* ========== Subscribe Card ========== */
        .sidebar-subscribe {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .sidebar-subscribe p {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            margin: 0;
            line-height: 1.8;
        }
        .sidebar-subscribe .btn-primary {
            width: 100%;
            padding: 10px 16px;
            font-size: 0.9rem;
        }
        .sidebar-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-radius: 6px;
            background: var(--yc-bg-alt);
            margin-bottom: 0.5rem;
        }
        .sidebar-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .sidebar-tip {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--yc-text-muted);
            line-height: 1.6;
            margin-top: 0.5rem;
        }
        .sidebar-tip i {
            color: var(--yc-accent);
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* ========== Pagination ========== */
        .pagination-wrap {
            margin-top: 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .page-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 8px;
            border-radius: 8px;
            border: 1px solid var(--yc-border);
            background: var(--yc-white);
            color: var(--yc-text);
            font-weight: 500;
            font-size: 0.85rem;
            transition: all 0.25s ease;
        }
        .page-number:hover,
        .page-number:focus {
            border-color: var(--yc-accent);
            color: var(--yc-accent);
        }
        .page-number.active {
            background: var(--yc-accent);
            border-color: var(--yc-accent);
            color: #fff;
            font-weight: 600;
        }
        .page-number i {
            font-size: 0.7rem;
        }

        /* ========== Section Enhancements ========== */
        .list-section {
            padding: 2.5rem 0;
        }
        .list-section .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .list-section .section-head .section-title {
            margin-bottom: 0;
        }
        .list-section .section-head .result-count {
            font-size: 0.85rem;
            color: var(--yc-text-muted);
        }
        .section-divider {
            border: none;
            border-top: 1px solid var(--yc-border);
            margin: 0;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--yc-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        @media (min-width: 769px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-brand .footer-logo {
            font-family: var(--yc-font-title);
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-family: var(--yc-font-title);
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.9rem;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.25s ease;
        }
        .footer-col ul a:hover,
        .footer-col ul a:focus {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            padding-top: 1.25rem;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 1rem;
                flex-wrap: wrap;
            }
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Bottom Fixed CTA ========== */
        .bottom-fixed-cta {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 200;
            background: var(--yc-primary);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.12);
        }
        .bottom-fixed-cta p {
            margin: 0;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.85);
            flex: 1;
            max-width: 480px;
        }
        .bottom-fixed-cta .btn-primary {
            padding: 8px 18px;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        @media (max-width: 576px) {
            .bottom-fixed-cta {
                padding: 0.6rem 0.8rem;
                gap: 0.75rem;
            }
            .bottom-fixed-cta p {
                font-size: 0.78rem;
            }
            .bottom-fixed-cta .btn-primary {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
        }
        body {
            padding-bottom: 70px;
        }
        @media (min-width: 769px) {
            body {
                padding-bottom: 64px;
            }
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --yc-space-lg: 60px;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --yc-space-lg: 48px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .news-item {
                flex-direction: column;
                gap: 0.6rem;
                padding: 1rem;
            }
            .news-date {
                flex-direction: row;
                gap: 0.5rem;
                align-items: baseline;
                min-width: auto;
                padding-top: 0;
            }
            .news-date .day {
                font-size: 1.1rem;
            }
            .news-item-title {
                font-size: 0.98rem;
            }
            .news-item-excerpt {
                -webkit-line-clamp: 3;
            }
        }
        @media (max-width: 576px) {
            .page-header-banner h1 {
                font-size: 1.5rem;
            }
            .page-header-banner .page-desc {
                font-size: 0.85rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .btn-primary {
                width: 100%;
            }
            .bottom-fixed-cta .btn-primary {
                width: auto;
            }
            .pagination-wrap {
                gap: 0.3rem;
            }
            .page-number {
                min-width: 34px;
                height: 34px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category2 */
:root {
            --yc-primary: #1A1D23;
            --yc-primary-2: #21252D;
            --yc-accent: #C8553D;
            --yc-accent-hover: #B74A35;
            --yc-accent-soft: rgba(200, 85, 61, 0.12);
            --yc-bg: #FAF7F2;
            --yc-bg-alt: #F0ECE5;
            --yc-text: #2A2A2A;
            --yc-text-muted: #6B6B6B;
            --yc-border: #E4DED4;
            --yc-white: #FFFFFF;
            --yc-radius: 10px;
            --yc-radius-sm: 8px;
            --yc-shadow: 0 2px 8px rgba(26, 29, 35, 0.05);
            --yc-shadow-hover: 0 8px 24px rgba(26, 29, 35, 0.10);
            --yc-space-base: 24px;
            --yc-space-lg: 80px;
            --yc-container: 1200px;
            --yc-font-title: 'Noto Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --yc-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--yc-bg);
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            font-size: 16px;
            line-height: 1.85;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--yc-primary);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--yc-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .text-muted {
            color: var(--yc-text-muted);
        }

        .site-container {
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (min-width: 1300px) {
            .site-container {
                padding: 0 40px;
            }
        }

        @media (max-width: 768px) {
            .site-container {
                padding: 0 20px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(26, 29, 35, 0.06);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }

        .nav-group-left,
        .nav-group-right {
            display: none;
            align-items: center;
            gap: 1.2rem;
            flex: 1;
        }

        .nav-group-left {
            justify-content: flex-end;
        }

        .nav-group-right {
            justify-content: flex-start;
        }

        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            padding: 0 1.5rem;
        }

        .nav-logo a {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: inline-block;
            position: relative;
        }

        .nav-logo a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 0;
            height: 3px;
            background: var(--yc-accent);
            transition: width 0.3s ease, left 0.3s ease;
            border-radius: 2px;
        }

        .nav-logo a:hover::after {
            width: 100%;
            left: 0;
        }

        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.45rem 0.2rem;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--yc-accent);
            transition: width 0.25s ease, left 0.25s ease;
            border-radius: 1px;
        }

        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--yc-accent);
        }

        .nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            color: var(--yc-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }

        .mobile-nav {
            display: none;
            background: var(--yc-white);
            border-top: 1px solid var(--yc-border);
            padding: 1rem 1.5rem 1.5rem;
            box-shadow: 0 16px 32px rgba(26, 29, 35, 0.10);
        }

        .mobile-nav.is-open {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-nav-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }

        .mobile-nav-group:last-child {
            margin-bottom: 0;
        }

        .mobile-nav-label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--yc-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.25rem;
        }

        .mobile-nav-link {
            display: block;
            padding: 0.6rem 0.8rem;
            font-size: 0.95rem;
            color: var(--yc-primary);
            border-radius: var(--yc-radius-sm);
            transition: background 0.25s ease, color 0.25s ease;
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }

        @media (min-width: 769px) {
            .nav-group-left,
            .nav-group-right {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
            .mobile-nav {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .site-nav {
                min-height: 60px;
            }
            .nav-logo {
                padding: 0 0.75rem;
            }
            .nav-logo a {
                font-size: 1.3rem;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            padding: 28px 0 16px;
            background: var(--yc-bg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--yc-text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--yc-border);
            font-size: 0.8rem;
        }

        .breadcrumb a {
            color: var(--yc-text-muted);
        }

        .breadcrumb a:hover {
            color: var(--yc-accent);
        }

        .breadcrumb .current {
            color: var(--yc-primary);
            font-weight: 600;
        }

        /* ========== Section 1: Compact Hero ========== */
        .compact-hero {
            background: var(--yc-primary);
            background-image: linear-gradient(150deg, rgba(26,29,35,0.92) 0%, rgba(33,37,45,0.85) 100%),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: var(--yc-white);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .compact-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .compact-hero::before {
            content: '';
            position: absolute;
            left: -40px;
            bottom: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1px solid rgba(200, 85, 61, 0.2);
            pointer-events: none;
        }

        .compact-hero .site-container {
            position: relative;
            z-index: 1;
        }

        .compact-hero-content {
            max-width: 760px;
        }

        .hero-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--yc-accent);
            background: rgba(200, 85, 61, 0.15);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            border: 1px solid rgba(200, 85, 61, 0.3);
        }

        .compact-hero h1 {
            font-family: var(--yc-font-title);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--yc-white);
            margin: 0 0 16px;
            line-height: 1.35;
            letter-spacing: 0.01em;
        }

        .compact-hero p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.85;
            margin: 0 0 20px;
            max-width: 620px;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .hero-meta i {
            color: var(--yc-accent);
        }

        @media (max-width: 768px) {
            .compact-hero {
                padding: 40px 0 36px;
            }
            .compact-hero h1 {
                font-size: 1.75rem;
            }
            .compact-hero p {
                font-size: 0.95rem;
            }
        }

        /* ========== Section 2: Featured Topic Asymmetric ========== */
        .featured-topic {
            padding: 72px 0;
            background: var(--yc-bg);
        }

        .topic-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .topic-text {
            max-width: 600px;
        }

        .topic-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--yc-accent);
            margin-bottom: 12px;
        }

        .topic-text h2 {
            font-family: var(--yc-font-title);
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0 0 18px;
            line-height: 1.4;
        }

        .topic-text p {
            color: var(--yc-text);
            line-height: 1.9;
            margin: 0 0 16px;
            font-size: 1rem;
        }

        .topic-text .lead {
            font-size: 1.05rem;
            color: var(--yc-primary-2);
            font-weight: 500;
        }

        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 20px;
        }

        .topic-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--yc-primary);
            background: var(--yc-bg-alt);
            padding: 5px 14px;
            border-radius: 16px;
            border: 1px solid var(--yc-border);
            transition: all 0.25s ease;
        }

        .topic-tag:hover {
            background: var(--yc-accent-soft);
            border-color: var(--yc-accent);
            color: var(--yc-accent);
        }

        .topic-image {
            position: relative;
            border-radius: var(--yc-radius);
            overflow: hidden;
            box-shadow: var(--yc-shadow-hover);
        }

        .topic-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
            border-radius: var(--yc-radius);
            transition: transform 0.4s ease;
        }

        .topic-image:hover img {
            transform: scale(1.02);
        }

        .topic-image .img-badge {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: var(--yc-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 6px;
            letter-spacing: 0.02em;
        }

        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .topic-text {
                max-width: 100%;
            }
            .topic-image {
                order: -1;
            }
            .topic-image img {
                aspect-ratio: 16/9;
            }
        }

        @media (max-width: 768px) {
            .featured-topic {
                padding: 48px 0;
            }
            .topic-text h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== Section 3: Reverse Asymmetric ========== */
        .reverse-topic {
            padding: 72px 0;
            background: var(--yc-bg-alt);
        }

        .reverse-topic .topic-grid {
            grid-template-columns: 0.85fr 1.15fr;
        }

        .reverse-topic .topic-text {
            max-width: 600px;
        }

        @media (max-width: 1024px) {
            .reverse-topic .topic-grid {
                grid-template-columns: 1fr;
            }
            .reverse-topic .topic-image {
                order: -1;
            }
        }

        /* ========== Section 4: Editorial Board ========== */
        .editorial-board {
            padding: 72px 0;
            background: var(--yc-white);
        }

        .board-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .board-head h2 {
            font-family: var(--yc-font-title);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0;
            line-height: 1.4;
        }

        .board-head .board-sub {
            font-size: 0.9rem;
            color: var(--yc-text-muted);
            max-width: 300px;
            text-align: right;
        }

        .board-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .board-card {
            background: var(--yc-bg);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            padding: 28px 24px;
            transition: all 0.3s ease;
            box-shadow: var(--yc-shadow);
            display: flex;
            flex-direction: column;
        }

        .board-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--yc-accent);
        }

        .board-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--yc-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--yc-accent);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .board-card h3 {
            font-family: var(--yc-font-title);
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .board-card p {
            font-size: 0.9rem;
            color: var(--yc-text-muted);
            line-height: 1.8;
            margin: 0;
        }

        .board-card .card-link {
            margin-top: auto;
            padding-top: 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--yc-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s ease;
        }

        .board-card .card-link:hover {
            gap: 10px;
        }

        @media (max-width: 1024px) {
            .board-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .editorial-board {
                padding: 48px 0;
            }
            .board-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .board-head h2 {
                font-size: 1.5rem;
            }
            .board-head .board-sub {
                text-align: left;
                max-width: 100%;
            }
        }

        /* ========== Section 5: Data Quote Block ========== */
        .data-block {
            padding: 64px 0;
            background: var(--yc-primary);
            color: var(--yc-white);
            position: relative;
            overflow: hidden;
        }

        .data-block::before {
            content: '';
            position: absolute;
            left: 10%;
            top: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 85, 61, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .data-block .site-container {
            position: relative;
            z-index: 1;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .data-item .data-number {
            font-family: var(--yc-font-title);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--yc-white);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-item .data-number span {
            font-size: 1.4rem;
            color: var(--yc-accent);
        }

        .data-item .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
        }

        .data-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 40px 0 0;
            padding-top: 32px;
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .data-divider span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .data-divider i {
            color: var(--yc-accent);
        }

        @media (max-width: 768px) {
            .data-block {
                padding: 48px 0;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .data-item .data-number {
                font-size: 2rem;
            }
            .data-divider {
                flex-direction: column;
                align-items: center;
                gap: 0.8rem;
            }
        }

        /* ========== Section 6: Related Recommendations ========== */
        .related-section {
            padding: 72px 0;
            background: var(--yc-bg);
        }

        .related-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .related-head h2 {
            font-family: var(--yc-font-title);
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0;
        }

        .related-head .view-all {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--yc-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s ease;
        }

        .related-head .view-all:hover {
            gap: 10px;
        }

        .related-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--yc-border) transparent;
        }

        .related-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .related-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .related-scroll::-webkit-scrollbar-thumb {
            background: var(--yc-border);
            border-radius: 3px;
        }

        .related-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            overflow: hidden;
            box-shadow: var(--yc-shadow);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-3px);
            border-color: var(--yc-accent);
        }

        .related-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .card-img img {
            transform: scale(1.04);
        }

        .related-card .card-img .badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--yc-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.02em;
        }

        .related-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card .card-date {
            font-size: 0.78rem;
            color: var(--yc-text-muted);
            margin-bottom: 8px;
        }

        .related-card h3 {
            font-family: var(--yc-font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .related-card p {
            font-size: 0.85rem;
            color: var(--yc-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .related-card .card-link {
            margin-top: auto;
            padding-top: 14px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--yc-accent);
        }

        @media (max-width: 768px) {
            .related-section {
                padding: 48px 0;
            }
            .related-head h2 {
                font-size: 1.4rem;
            }
            .related-card {
                flex: 0 0 260px;
            }
        }

        /* ========== Section 7: Deep Reading ========== */
        .deep-reading {
            padding: 72px 0;
            background: var(--yc-white);
        }

        .deep-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
        }

        .deep-main h2 {
            font-family: var(--yc-font-title);
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0 0 20px;
            line-height: 1.4;
        }

        .deep-main h3 {
            font-family: var(--yc-font-title);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 24px 0 12px;
        }

        .deep-main p {
            color: var(--yc-text);
            line-height: 1.9;
            margin: 0 0 16px;
            font-size: 1rem;
            max-width: 620px;
        }

        .deep-main blockquote {
            border-left: 3px solid var(--yc-accent);
            background: var(--yc-accent-soft);
            padding: 20px 24px;
            border-radius: 0 var(--yc-radius-sm) var(--yc-radius-sm) 0;
            margin: 24px 0;
            font-size: 0.95rem;
            color: var(--yc-primary-2);
            font-style: normal;
        }

        .deep-main blockquote cite {
            display: block;
            font-style: normal;
            font-size: 0.82rem;
            color: var(--yc-text-muted);
            margin-top: 8px;
        }

        .deep-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-card {
            background: var(--yc-bg);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            padding: 24px 20px;
            box-shadow: var(--yc-shadow);
        }

        .sidebar-card h4 {
            font-family: var(--yc-font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 14px;
        }

        .sidebar-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--yc-border);
            font-size: 0.88rem;
            color: var(--yc-text);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul li i {
            color: var(--yc-accent);
            font-size: 0.75rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .deep-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .deep-main p {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .deep-reading {
                padding: 48px 0;
            }
            .deep-main h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== Section 8: FAQ ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--yc-bg-alt);
        }

        .faq-section h2 {
            font-family: var(--yc-font-title);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0 0 36px;
            text-align: center;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--yc-accent);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--yc-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            font-family: var(--yc-font-body);
            transition: background 0.3s ease, color 0.3s ease;
        }

        .faq-question:hover {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--yc-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--yc-text-muted);
            transition: all 0.3s ease;
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--yc-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            font-size: 0.9rem;
            color: var(--yc-text-muted);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 48px 0;
            }
            .faq-section h2 {
                font-size: 1.5rem;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ========== Section 9: CTA ========== */
        .cta-section {
            padding: 72px 0;
            background: var(--yc-primary);
            color: var(--yc-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 85, 61, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-section .site-container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-family: var(--yc-font-title);
            font-size: 2rem;
            font-weight: 800;
            color: var(--yc-white);
            margin: 0 0 14px;
            line-height: 1.4;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin: 0 auto 28px;
            max-width: 520px;
            line-height: 1.9;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--yc-font-body);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--yc-radius-sm);
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--yc-accent-hover);
            border-color: var(--yc-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 85, 61, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--yc-white);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: var(--yc-white);
            color: var(--yc-primary);
            border-color: var(--yc-white);
            transform: translateY(-2px);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--yc-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-family: var(--yc-font-title);
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--yc-white);
            display: block;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-family: var(--yc-font-title);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--yc-white);
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--yc-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
        }

        .footer-bottom-links a:hover {
            color: var(--yc-accent);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 24px;
            }
        }

        /* ========== Bottom Fixed Bar ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--yc-primary);
            color: var(--yc-white);
            z-index: 90;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(26, 29, 35, 0.25);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-wrap: wrap;
        }

        .bottom-bar p {
            margin: 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .bottom-bar .btn-bar {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--yc-accent);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .bottom-bar .btn-bar:hover {
            background: var(--yc-accent-hover);
            transform: translateY(-1px);
        }

        body {
            padding-bottom: 68px;
        }

        @media (max-width: 768px) {
            .bottom-bar {
                padding: 10px 14px;
                gap: 10px;
            }
            .bottom-bar p {
                font-size: 0.8rem;
            }
            .bottom-bar .btn-bar {
                font-size: 0.78rem;
                padding: 7px 14px;
            }
            body {
                padding-bottom: 60px;
            }
        }

/* roulang page: category4 */
:root {
            --yc-primary: #1A1D23;
            --yc-primary-2: #21252D;
            --yc-accent: #C8553D;
            --yc-accent-hover: #B74A35;
            --yc-accent-soft: rgba(200, 85, 61, 0.12);
            --yc-bg: #FAF7F2;
            --yc-bg-alt: #F0ECE5;
            --yc-text: #2A2A2A;
            --yc-text-muted: #6B6B6B;
            --yc-border: #E4DED4;
            --yc-white: #FFFFFF;
            --yc-radius: 10px;
            --yc-radius-sm: 8px;
            --yc-shadow: 0 2px 8px rgba(26, 29, 35, 0.05);
            --yc-shadow-hover: 0 8px 24px rgba(26, 29, 35, 0.10);
            --yc-space-base: 24px;
            --yc-space-lg: 80px;
            --yc-container: 1200px;
            --yc-font-title: 'Noto Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --yc-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            background-color: var(--yc-bg);
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            font-size: 16px;
            line-height: 1.85;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--yc-primary);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: var(--yc-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .text-muted {
            color: var(--yc-text-muted);
        }
        .site-container {
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width: 768px) {
            .site-container {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .site-container {
                padding: 0 40px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(26, 29, 35, 0.06);
        }
        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }
        .nav-group-left,
        .nav-group-right {
            display: none;
            align-items: center;
            gap: 1.2rem;
            flex: 1;
        }
        .nav-group-left {
            justify-content: flex-end;
        }
        .nav-group-right {
            justify-content: flex-start;
        }
        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            padding: 0 1.5rem;
        }
        .nav-logo a {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: inline-block;
            position: relative;
        }
        .nav-logo a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 0;
            height: 3px;
            background: var(--yc-accent);
            transition: width 0.3s ease, left 0.3s ease;
            border-radius: 2px;
        }
        .nav-logo a:hover::after {
            width: 100%;
            left: 0;
        }
        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.45rem 0.2rem;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--yc-accent);
            transition: width 0.25s ease, left 0.25s ease;
            border-radius: 1px;
        }
        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }
        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--yc-accent);
        }
        .nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            color: var(--yc-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }
        .mobile-nav {
            display: none;
            background: var(--yc-white);
            border-top: 1px solid var(--yc-border);
            padding: 1rem 1.5rem 1.5rem;
            box-shadow: 0 16px 32px rgba(26, 29, 35, 0.10);
        }
        .mobile-nav.is-open {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }
        .mobile-nav-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }
        .mobile-nav-group:last-child {
            margin-bottom: 0;
        }
        .mobile-nav-label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--yc-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.3rem;
        }
        .mobile-nav-link {
            display: block;
            padding: 0.55rem 0.75rem;
            border-radius: 6px;
            font-size: 0.95rem;
            color: var(--yc-primary);
            transition: background 0.2s ease, color 0.2s ease;
        }
        .mobile-nav-link:hover {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }
        .mobile-nav-link.active {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
            font-weight: 600;
        }
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @media (min-width: 1024px) {
            .nav-group-left,
            .nav-group-right {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
            .mobile-nav {
                display: none !important;
            }
            .nav-logo {
                padding: 0 2rem;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            padding: 0.75rem 0;
        }
        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.88rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li + li::before {
            content: '/';
            margin-right: 0.4rem;
            color: var(--yc-text-muted);
        }
        .breadcrumb a {
            color: var(--yc-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--yc-accent);
        }
        .breadcrumb .current {
            color: var(--yc-primary);
            font-weight: 600;
        }

        /* ========== Hero (Narrow) ========== */
        .inner-hero {
            background: var(--yc-primary);
            padding: 2.5rem 0 2.8rem;
            position: relative;
            overflow: hidden;
        }
        .inner-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 80% 20%, rgba(200, 85, 61, 0.18) 0%, transparent 55%),
                        radial-gradient(circle at 15% 85%, rgba(200, 85, 61, 0.08) 0%, transparent 40%);
            pointer-events: none;
        }
        .inner-hero-content {
            position: relative;
            z-index: 1;
        }
        .inner-hero h1 {
            font-family: var(--yc-font-title);
            font-size: 1.85rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.75rem;
            letter-spacing: 0.02em;
        }
        .inner-hero p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.82);
            margin: 0;
            max-width: 680px;
            line-height: 1.75;
        }
        @media (min-width: 768px) {
            .inner-hero {
                padding: 3.5rem 0 4rem;
            }
            .inner-hero h1 {
                font-size: 2.2rem;
            }
        }

        /* ========== Section Common ========== */
        .section {
            padding: 2.5rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 3.5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 4.5rem 0;
            }
        }
        .section-title {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0 0 0.6rem;
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 0.98rem;
            color: var(--yc-text-muted);
            max-width: 720px;
            margin: 0 0 1.8rem;
            line-height: 1.75;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.85rem;
            }
        }

        /* ========== Filter Bar ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 2rem;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            border: 1px solid var(--yc-border);
            background: var(--yc-white);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--yc-text);
            cursor: pointer;
            transition: all 0.22s ease;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--yc-accent);
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
        }
        .filter-chip.active {
            background: var(--yc-accent);
            border-color: var(--yc-accent);
            color: #fff;
        }

        /* ========== Timeline Index ========== */
        .timeline-section {
            background: var(--yc-bg-alt);
            padding: 3rem 0;
        }
        .timeline-wrapper {
            position: relative;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--yc-border);
        }
        @media (min-width: 768px) {
            .timeline-wrapper::before {
                left: 50%;
                transform: translateX(-50%);
            }
        }
        .timeline-year {
            position: relative;
            margin-bottom: 2.5rem;
        }
        .timeline-year:last-child {
            margin-bottom: 0;
        }
        .timeline-year-badge {
            display: inline-flex;
            align-items: center;
            position: relative;
            z-index: 1;
            background: var(--yc-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.5rem 1.4rem;
            border-radius: 999px;
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
        }
        .timeline-items {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            padding-left: 1.5rem;
        }
        @media (min-width: 768px) {
            .timeline-items {
                padding-left: 0;
                gap: 2rem;
            }
            .timeline-year-badge {
                position: relative;
                left: 50%;
                transform: translateX(-50%);
            }
            .timeline-year:nth-child(odd) .timeline-item {
                margin-right: calc(50% + 2rem);
                margin-left: 0;
            }
            .timeline-year:nth-child(even) .timeline-item {
                margin-left: calc(50% + 2rem);
                margin-right: 0;
            }
            .timeline-year:nth-child(odd) .timeline-item .timeline-dot {
                right: -2.55rem;
                left: auto;
            }
            .timeline-year:nth-child(even) .timeline-item .timeline-dot {
                left: -2.55rem;
                right: auto;
            }
        }
        .timeline-item {
            position: relative;
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            padding: 1.25rem 1.4rem;
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .timeline-item:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-2px);
        }
        .timeline-dot {
            display: none;
            position: absolute;
            width: 12px;
            height: 12px;
            background: var(--yc-accent);
            border-radius: 50%;
            border: 3px solid var(--yc-bg-alt);
            top: 1.6rem;
            z-index: 1;
        }
        @media (min-width: 768px) {
            .timeline-dot {
                display: block;
            }
        }
        .timeline-item-top {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-bottom: 0.5rem;
        }
        .timeline-item-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            white-space: nowrap;
        }
        .timeline-item-tag {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--yc-text-muted);
            border: 1px solid var(--yc-border);
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            white-space: nowrap;
        }
        .timeline-item h3 {
            font-family: var(--yc-font-title);
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 0.45rem;
            line-height: 1.45;
        }
        .timeline-item p {
            font-size: 0.92rem;
            color: var(--yc-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .timeline-item a {
            display: inline-block;
            margin-top: 0.65rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--yc-accent);
        }
        .timeline-item a:hover {
            color: var(--yc-accent-hover);
            text-decoration: underline;
        }

        /* ========== Featured Cards ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        @media (min-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .featured-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            overflow: hidden;
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-3px);
        }
        .featured-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--yc-bg-alt);
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-card-body {
            padding: 1.25rem 1.4rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .featured-card-badge {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
            display: inline-block;
            padding: 0.2rem 0.65rem;
            border-radius: 999px;
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }
        .featured-card h3 {
            font-family: var(--yc-font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 0.5rem;
            line-height: 1.45;
        }
        .featured-card p {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            margin: 0 0 0.8rem;
            line-height: 1.65;
            flex: 1;
        }
        .featured-card-date {
            font-size: 0.78rem;
            color: var(--yc-text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        /* ========== Deep Content (Alternating) ========== */
        .deep-content-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .deep-content-row {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
            }
            .deep-content-row.reverse .deep-content-text {
                order: 2;
            }
            .deep-content-row.reverse .deep-content-img {
                order: 1;
            }
        }
        .deep-content-img {
            border-radius: var(--yc-radius);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--yc-bg-alt);
            border: 1px solid var(--yc-border);
        }
        .deep-content-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .deep-content-text h3 {
            font-family: var(--yc-font-title);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0 0 0.8rem;
        }
        .deep-content-text p {
            font-size: 0.95rem;
            color: var(--yc-text);
            margin: 0 0 1rem;
            line-height: 1.85;
        }
        .deep-content-text .text-muted {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
        }

        /* ========== Stats ========== */
        .stats-strip {
            background: var(--yc-primary);
            padding: 3rem 0;
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            text-align: center;
        }
        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--yc-font-title);
            margin-bottom: 0.3rem;
        }
        .stat-item .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--yc-white);
        }
        .faq-item {
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }
        .faq-item:hover {
            border-color: var(--yc-accent);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--yc-white);
            border: none;
            padding: 1rem 1.2rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--yc-primary);
            cursor: pointer;
            text-align: left;
            transition: background 0.2s ease, color 0.2s ease;
            gap: 1rem;
        }
        .faq-question:hover {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }
        .faq-question .fa-plus {
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-question.active .fa-plus {
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 1.2rem 1.2rem;
            font-size: 0.92rem;
            color: var(--yc-text-muted);
            line-height: 1.75;
            border-top: 1px solid var(--yc-border);
            padding-top: 1rem;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--yc-bg-alt);
            padding: 4rem 0;
        }
        .cta-box {
            background: var(--yc-primary);
            border-radius: var(--yc-radius);
            padding: 2.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 85% 15%, rgba(200, 85, 61, 0.25) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.8rem;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 1.5rem;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-box .btn-primary {
            position: relative;
            z-index: 1;
        }
        @media (min-width: 768px) {
            .cta-box {
                padding: 3.5rem 3rem;
            }
            .cta-box h2 {
                font-size: 1.8rem;
            }
        }

        /* ========== Buttons ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--yc-accent);
            color: #fff;
            border: none;
            border-radius: var(--yc-radius-sm);
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease;
            white-space: nowrap;
            font-family: var(--yc-font-body);
        }
        .btn-primary:hover {
            background: var(--yc-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(200, 85, 61, 0.3);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--yc-radius-sm);
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
            font-family: var(--yc-font-body);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--yc-primary);
            border: 1px solid var(--yc-primary);
            border-radius: var(--yc-radius-sm);
            padding: 0.65rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
            font-family: var(--yc-font-body);
        }
        .btn-outline-dark:hover {
            background: var(--yc-primary);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--yc-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .footer-logo {
            font-family: var(--yc-font-title);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.8rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== Bottom Sticky CTA ========== */
        .bottom-sticky {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--yc-primary);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0.7rem 1.2rem;
            z-index: 90;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .bottom-sticky-text {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.82);
            font-weight: 500;
        }
        @media (max-width: 576px) {
            .bottom-sticky {
                padding: 0.5rem 0.8rem;
                gap: 0.6rem;
            }
            .bottom-sticky-text {
                font-size: 0.78rem;
            }
            .bottom-sticky .btn-primary {
                padding: 0.55rem 1rem;
                font-size: 0.82rem;
            }
        }

        /* ========== Utility ========== */
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .text-center { text-align: center; }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category5 */
:root {
            --yc-primary: #1A1D23;
            --yc-primary-2: #21252D;
            --yc-accent: #C8553D;
            --yc-accent-hover: #B74A35;
            --yc-accent-soft: rgba(200, 85, 61, 0.12);
            --yc-bg: #FAF7F2;
            --yc-bg-alt: #F0ECE5;
            --yc-text: #2A2A2A;
            --yc-text-muted: #6B6B6B;
            --yc-border: #E4DED4;
            --yc-white: #FFFFFF;
            --yc-radius: 10px;
            --yc-radius-sm: 8px;
            --yc-shadow: 0 2px 8px rgba(26, 29, 35, 0.05);
            --yc-shadow-hover: 0 8px 24px rgba(26, 29, 35, 0.10);
            --yc-space-base: 24px;
            --yc-space-lg: 80px;
            --yc-container: 1200px;
            --yc-font-title: 'Noto Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --yc-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            background-color: var(--yc-bg);
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            font-size: 16px;
            line-height: 1.85;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--yc-primary);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: var(--yc-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .text-muted {
            color: var(--yc-text-muted);
        }
        .site-container {
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width: 640px) {
            .site-container {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .site-container {
                padding: 0 40px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(26, 29, 35, 0.06);
        }
        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }
        .nav-group-left,
        .nav-group-right {
            display: none;
            align-items: center;
            gap: 1.2rem;
            flex: 1;
        }
        .nav-group-left {
            justify-content: flex-end;
        }
        .nav-group-right {
            justify-content: flex-start;
        }
        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            padding: 0 1.5rem;
        }
        .nav-logo a {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: inline-block;
            position: relative;
        }
        .nav-logo a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 0;
            height: 3px;
            background: var(--yc-accent);
            transition: width 0.3s ease, left 0.3s ease;
            border-radius: 2px;
        }
        .nav-logo a:hover::after {
            width: 100%;
            left: 0;
        }
        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.45rem 0.2rem;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--yc-accent);
            transition: width 0.25s ease, left 0.25s ease;
            border-radius: 1px;
        }
        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }
        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--yc-accent);
        }
        .nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            color: var(--yc-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }
        .mobile-nav {
            display: none;
            background: var(--yc-white);
            border-top: 1px solid var(--yc-border);
            padding: 1rem 1.5rem 1.5rem;
            box-shadow: 0 16px 32px rgba(26, 29, 35, 0.10);
        }
        .mobile-nav.is-open {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }
        .mobile-nav-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }
        .mobile-nav-group:last-child {
            margin-bottom: 0;
        }
        .mobile-nav-label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--yc-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.35rem;
        }
        .mobile-nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 0.65rem;
            border-radius: 6px;
            color: var(--yc-primary);
            transition: background 0.2s ease, color 0.2s ease;
        }
        .mobile-nav-link:hover {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
        }
        .mobile-nav-link.active {
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
            font-weight: 600;
        }
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @media (min-width: 768px) {
            .nav-toggle {
                display: none;
            }
            .nav-group-left,
            .nav-group-right {
                display: flex;
            }
            .mobile-nav {
                display: none !important;
            }
        }

        /* ========== Breadcrumb / Narrow Hero ========== */
        .resource-breadcrumb {
            background: linear-gradient(135deg, var(--yc-primary) 0%, var(--yc-primary-2) 100%);
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(228, 222, 212, 0.15);
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .breadcrumb-inner a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.2s ease;
        }
        .breadcrumb-inner a:hover {
            color: #fff;
        }
        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
        }
        .breadcrumb-current {
            color: #fff;
            font-weight: 600;
            pointer-events: none;
        }

        /* ========== Page Hero / Intro ========== */
        .page-hero {
            background: linear-gradient(180deg, var(--yc-primary) 0%, #252a33 100%);
            padding: 3.5rem 0 4.5rem;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(200, 85, 61, 0.15);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(200, 85, 61, 0.08);
            pointer-events: none;
        }
        .page-hero .site-container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-family: var(--yc-font-title);
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 1rem;
            letter-spacing: 0.02em;
            line-height: 1.35;
            max-width: 720px;
        }
        .page-hero .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.9;
            max-width: 680px;
            margin: 0 0 2rem;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.8rem;
            margin-top: 0.5rem;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }
        .hero-stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.02em;
        }

        /* ========== Section Base ========== */
        .section {
            padding: 4rem 0;
        }
        .section-alt {
            background: var(--yc-bg-alt);
        }
        .section-title {
            font-family: var(--yc-font-title);
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--yc-primary);
            margin: 0 0 0.75rem;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--yc-text-muted);
            margin: 0 0 2.2rem;
            line-height: 1.85;
            max-width: 620px;
        }
        .section-header-flex {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .section-header-flex .section-title {
            margin-bottom: 0.35rem;
        }
        .section-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--yc-accent);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: color 0.2s ease;
        }
        .section-link:hover {
            color: var(--yc-accent-hover);
        }
        .section-link i {
            font-size: 0.75rem;
        }

        /* ========== Filter / Tag Bar ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 2.5rem;
        }
        .filter-chip {
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.5rem 1.1rem;
            border-radius: 999px;
            border: 1px solid var(--yc-border);
            background: var(--yc-white);
            color: var(--yc-text);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--yc-accent);
            color: var(--yc-accent);
            background: var(--yc-accent-soft);
        }
        .filter-chip.active {
            background: var(--yc-primary);
            color: #fff;
            border-color: var(--yc-primary);
            font-weight: 600;
        }

        /* ========== FAQ Accordion ========== */
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            margin: 0;
            padding: 0;
            list-style: none;
            border: none;
        }
        .accordion-item {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            margin-bottom: 0.8rem;
            overflow: hidden;
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .accordion-item:hover {
            border-color: #d5cfc6;
            box-shadow: var(--yc-shadow-hover);
        }
        .accordion-item.is-active {
            border-color: var(--yc-accent);
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--yc-primary);
            background: var(--yc-white);
            border: none;
            cursor: pointer;
            transition: color 0.25s ease, background 0.25s ease;
            line-height: 1.6;
            text-align: left;
            width: 100%;
        }
        .accordion-title:hover {
            color: var(--yc-accent);
            background: #fefcf9;
        }
        .accordion-title .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--yc-accent-soft);
            color: var(--yc-accent);
            font-size: 0.8rem;
            transition: transform 0.35s ease, background 0.25s ease;
        }
        .accordion-item.is-active .faq-icon {
            transform: rotate(180deg);
            background: var(--yc-accent);
            color: #fff;
        }
        .accordion-content {
            padding: 0 1.5rem 1.3rem;
            font-size: 0.95rem;
            color: var(--yc-text-muted);
            line-height: 1.9;
            border-top: 1px solid var(--yc-border);
            background: #fefcf9;
        }
        .accordion-content p {
            margin: 0;
            padding-top: 1rem;
        }
        .accordion-content a {
            color: var(--yc-accent);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .accordion-content a:hover {
            color: var(--yc-accent-hover);
        }

        /* ========== Resource Cards ========== */
        .resource-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 576px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.8rem;
            }
        }
        @media (min-width: 1024px) {
            .resource-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 2rem;
            }
        }
        .resource-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            overflow: hidden;
            box-shadow: var(--yc-shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .resource-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-3px);
            border-color: #d5cfc6;
        }
        .resource-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--yc-bg-alt);
            position: relative;
        }
        .resource-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .resource-card:hover .resource-card-img img {
            transform: scale(1.04);
        }
        .resource-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            background: rgba(26, 29, 35, 0.82);
            color: #fff;
            letter-spacing: 0.03em;
            pointer-events: none;
        }
        .resource-card-body {
            padding: 1.2rem 1.3rem 1.4rem;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 0.6rem;
        }
        .resource-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--yc-primary);
            line-height: 1.5;
            margin: 0;
        }
        .resource-card-desc {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }
        .resource-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--yc-accent);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: color 0.2s ease, gap 0.2s ease;
        }
        .resource-card-link i {
            font-size: 0.7rem;
        }
        .resource-card-link:hover {
            color: var(--yc-accent-hover);
            gap: 0.6rem;
        }

        /* ========== Steps / Guide ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            counter-reset: step-counter;
        }
        @media (min-width: 576px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.8rem;
            }
        }
        @media (min-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 2rem;
            }
        }
        .step-item {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            padding: 1.5rem 1.4rem;
            box-shadow: var(--yc-shadow);
            position: relative;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .step-item:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-2px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--yc-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 0.9rem;
            letter-spacing: 0.02em;
        }
        .step-item h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 0.55rem;
            line-height: 1.5;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== CTA Banner ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--yc-primary) 0%, var(--yc-primary-2) 100%);
            border-radius: var(--yc-radius);
            padding: 2.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.8rem;
            flex-wrap: wrap;
            box-shadow: 0 12px 32px rgba(26, 29, 35, 0.18);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: 20px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 85, 61, 0.18);
            pointer-events: none;
        }
        .cta-banner-content {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }
        .cta-banner h2 {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }
        .cta-banner p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.78);
            margin: 0;
            line-height: 1.8;
        }
        .cta-banner-btn {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            font-family: var(--yc-font-body);
            padding: 0.75rem 1.6rem;
            border-radius: var(--yc-radius-sm);
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            letter-spacing: 0.02em;
            text-decoration: none;
            line-height: 1.5;
        }
        .btn-primary {
            background: var(--yc-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 85, 61, 0.3);
        }
        .btn-primary:hover {
            background: var(--yc-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 85, 61, 0.4);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            color: var(--yc-primary);
            border: 1px solid var(--yc-primary);
        }
        .btn-outline:hover {
            background: var(--yc-primary);
            color: #fff;
            border-color: var(--yc-primary);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--yc-primary);
            outline-offset: 3px;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: #fff;
            color: var(--yc-primary);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--yc-primary);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }
        .btn-light:hover {
            background: var(--yc-bg-alt);
            color: var(--yc-primary);
            transform: translateY(-2px);
        }

        /* ========== Info / Contact Strip ========== */
        .info-strip {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            padding: 2rem 1.8rem;
            box-shadow: var(--yc-shadow);
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            align-items: center;
            justify-content: space-between;
        }
        .info-strip-text h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--yc-primary);
            margin: 0 0 0.4rem;
        }
        .info-strip-text p {
            font-size: 0.92rem;
            color: var(--yc-text-muted);
            margin: 0;
            line-height: 1.75;
        }
        .info-strip-actions {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--yc-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 1.8rem;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 576px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.8rem;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-logo {
            font-family: var(--yc-font-title);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.62);
            line-height: 1.85;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 1rem;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.2rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            align-items: center;
        }
        .footer-bottom-links a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.25s ease;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== Responsive Fine-Tuning ========== */
        @media (max-width: 767px) {
            .page-hero {
                padding: 2.5rem 0 3rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-desc {
                font-size: 0.98rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .cta-banner {
                padding: 1.8rem 1.5rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner h2 {
                font-size: 1.25rem;
            }
            .info-strip {
                padding: 1.5rem 1.2rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .accordion-title {
                padding: 0.95rem 1.1rem;
                font-size: 0.95rem;
            }
            .accordion-content {
                padding: 0 1.1rem 1.1rem;
            }
            .hero-stats {
                gap: 1.2rem 1.8rem;
            }
            .hero-stat-number {
                font-size: 1.35rem;
            }
        }
        @media (max-width: 520px) {
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 0.65rem 1.25rem;
                font-size: 0.9rem;
            }
            .filter-bar {
                gap: 0.45rem;
            }
            .filter-chip {
                font-size: 0.78rem;
                padding: 0.4rem 0.9rem;
            }
        }

/* roulang page: category6 */
:root {
            --yc-primary: #1A1D23;
            --yc-primary-2: #21252D;
            --yc-accent: #C8553D;
            --yc-accent-hover: #B74A35;
            --yc-accent-soft: rgba(200, 85, 61, 0.12);
            --yc-accent-soft-2: rgba(200, 85, 61, 0.08);
            --yc-bg: #FAF7F2;
            --yc-bg-alt: #F0ECE5;
            --yc-text: #2A2A2A;
            --yc-text-muted: #6B6B6B;
            --yc-text-light: #8A8580;
            --yc-border: #E4DED4;
            --yc-white: #FFFFFF;
            --yc-radius: 10px;
            --yc-radius-sm: 8px;
            --yc-radius-lg: 14px;
            --yc-shadow: 0 2px 8px rgba(26, 29, 35, 0.05);
            --yc-shadow-hover: 0 8px 24px rgba(26, 29, 35, 0.10);
            --yc-shadow-lg: 0 16px 40px rgba(26, 29, 35, 0.12);
            --yc-space-base: 24px;
            --yc-space-lg: 80px;
            --yc-space-xl: 110px;
            --yc-container: 1200px;
            --yc-font-title: 'Noto Sans SC', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --yc-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--yc-bg);
            color: var(--yc-text);
            font-family: var(--yc-font-body);
            font-size: 16px;
            line-height: 1.85;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--yc-primary);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--yc-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--yc-font-title);
            color: var(--yc-primary);
            margin: 0 0 0.75em;
            line-height: 1.4;
            font-weight: 700;
        }

        p {
            margin: 0 0 1.25em;
        }

        .text-muted {
            color: var(--yc-text-muted) !important;
        }
        .text-light {
            color: var(--yc-text-light) !important;
        }

        .site-container {
            max-width: var(--yc-container);
            margin: 0 auto;
            padding: 0 40px;
        }

        @media (max-width: 1024px) {
            .site-container {
                padding: 0 32px;
            }
        }

        @media (max-width: 768px) {
            .site-container {
                padding: 0 20px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--yc-white);
            border-bottom: 1px solid var(--yc-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(26, 29, 35, 0.06);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            position: relative;
        }

        .nav-group-left,
        .nav-group-right {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex: 1;
        }

        .nav-group-left {
            justify-content: flex-end;
        }

        .nav-group-right {
            justify-content: flex-start;
        }

        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            padding: 0 1.5rem;
        }

        .nav-logo a {
            font-family: var(--yc-font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--yc-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: inline-block;
            position: relative;
        }

        .nav-logo a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 0;
            height: 3px;
            background: var(--yc-accent);
            transition: width 0.3s ease, left 0.3s ease;
            border-radius: 2px;
        }

        .nav-logo a:hover::after {
            width: 100%;
            left: 0;
        }

        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.45rem 0.2rem;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--yc-accent);
            transition: width 0.25s ease, left 0.25s ease;
            border-radius: 1px;
        }

        .nav-link:hover::after,
        .nav-link:focus-visible::after,
        .nav-link.active::after {
            width: 100%;
            left: 0;
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: var(--yc-accent);
        }

        .nav-link.active {
            color: var(--yc-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            color: var(--yc-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--yc-accent);
            color: #fff;
            border-color: var(--yc-accent);
        }

        .mobile-nav {
            display: none;
            background: var(--yc-white);
            border-top: 1px solid var(--yc-border);
            padding: 1rem 1.5rem 1.5rem;
            box-shadow: 0 16px 32px rgba(26, 29, 35, 0.10);
        }

        .mobile-nav.is-open {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }

        .mobile-nav-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }

        .mobile-nav-group:last-child {
            margin-bottom: 0;
        }

        .mobile-nav-label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--yc-text-light);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.35rem;
        }

        .mobile-nav-link {
            font-size: 1rem;
            font-weight: 500;
            color: var(--yc-primary);
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--yc-border);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--yc-accent);
            padding-left: 0.5rem;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @media (min-width: 769px) {
            .nav-toggle {
                display: none !important;
            }
            .nav-group-left,
            .nav-group-right {
                display: flex !important;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-group-left,
            .nav-group-right {
                display: none;
            }
            .nav-logo {
                padding: 0 0.5rem;
                flex: 1;
                text-align: center;
            }
            .nav-logo a {
                font-size: 1.25rem;
            }
            .site-nav {
                min-height: 60px;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--yc-bg-alt);
            border-bottom: 1px solid var(--yc-border);
            padding: 1rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: var(--yc-text-muted);
        }

        .breadcrumb a {
            color: var(--yc-text-muted);
            transition: color 0.25s ease;
        }

        .breadcrumb a:hover {
            color: var(--yc-accent);
        }

        .breadcrumb .current {
            color: var(--yc-primary);
            font-weight: 600;
        }

        .breadcrumb .sep {
            color: var(--yc-text-light);
            font-size: 0.75rem;
        }

        /* ========== Page Hero (narrow) ========== */
        .page-hero {
            background: var(--yc-primary);
            padding: 3rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 29, 35, 0.65);
            z-index: 1;
        }

        .page-hero .site-container {
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            color: #FFFFFF;
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 0.6rem;
        }

        .page-hero .hero-desc {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0;
            line-height: 1.8;
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-family: var(--yc-font-body);
            font-size: 0.95rem;
            font-weight: 600;
            border: none;
            border-radius: var(--yc-radius-sm);
            padding: 12px 24px;
            cursor: pointer;
            transition: all 0.28s ease;
            letter-spacing: 0.01em;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--yc-accent);
            color: #FFFFFF;
            box-shadow: 0 2px 8px rgba(200, 85, 61, 0.25);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--yc-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(200, 85, 61, 0.32);
            outline: none;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(200, 85, 61, 0.2);
        }

        .btn-secondary {
            background: transparent;
            color: var(--yc-primary);
            border: 1px solid var(--yc-primary);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--yc-primary);
            color: #FFFFFF;
            transform: translateY(-2px);
            outline: none;
            border-color: var(--yc-primary);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--yc-accent);
            outline-offset: 3px;
        }

        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            outline: none;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 1rem;
        }

        @media (max-width: 576px) {
            .btn {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.92rem;
            }
        }

        /* ========== Section Base ========== */
        .section {
            padding: var(--yc-space-lg) 0;
        }

        .section-alt {
            background: var(--yc-bg-alt);
        }

        .section-dark {
            background: var(--yc-primary);
            color: rgba(255, 255, 255, 0.85);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            margin-bottom: 0.5rem;
            color: var(--yc-primary);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--yc-text-muted);
            max-width: 640px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
        }

        /* ========== Subscribe Form Section ========== */
        .subscribe-layout {
            display: grid !important;
            grid-template-columns: 1.25fr 1fr;
            gap: 2.5rem;
            align-items: start;
        }

        .subscribe-form-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-lg);
            box-shadow: var(--yc-shadow);
            padding: 2rem 2.25rem;
        }

        .subscribe-form-card h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .subscribe-form-card .form-intro {
            color: var(--yc-text-muted);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--yc-primary);
            margin-bottom: 0.4rem;
        }

        .form-input,
        .form-textarea,
        .form-select {
            width: 100%;
            background: var(--yc-bg);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            font-family: var(--yc-font-body);
            color: var(--yc-text);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            outline: none;
            appearance: none;
            -webkit-appearance: none;
        }

        .form-input:focus,
        .form-textarea:focus,
        .form-select:focus {
            border-color: var(--yc-accent);
            box-shadow: 0 0 0 3px var(--yc-accent-soft);
        }

        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-hint {
            font-size: 0.82rem;
            color: var(--yc-text-light);
            margin-top: 0.3rem;
        }

        .checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 0.2rem;
        }

        .checkbox-item {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.88rem;
            color: var(--yc-text);
            background: var(--yc-bg);
            padding: 0.5rem 0.9rem;
            border-radius: 20px;
            border: 1px solid var(--yc-border);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .checkbox-item:hover {
            border-color: var(--yc-accent);
            background: var(--yc-accent-soft-2);
        }

        .checkbox-item input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--yc-accent);
            cursor: pointer;
        }

        .subscribe-success {
            display: none;
            background: #E8F5E9;
            border: 1px solid #C8E6C9;
            color: #2E7D32;
            padding: 1rem 1.25rem;
            border-radius: var(--yc-radius-sm);
            font-size: 0.92rem;
            margin-top: 1rem;
        }

        .subscribe-success.show {
            display: block;
            animation: fadeIn 0.4s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-6px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .subscribe-side {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .info-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius-lg);
            box-shadow: var(--yc-shadow);
            padding: 1.75rem 2rem;
        }

        .info-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .info-card h3 .icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--yc-accent-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--yc-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .info-card p {
            color: var(--yc-text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.6rem;
            line-height: 1.75;
        }

        .info-list {
            list-style: none;
            padding: 0;
            margin: 0.75rem 0 0;
        }

        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: var(--yc-text);
            padding: 0.45rem 0;
            border-bottom: 1px solid var(--yc-border);
        }

        .info-list li:last-child {
            border-bottom: none;
        }

        .info-list li i {
            color: var(--yc-accent);
            font-size: 0.85rem;
            margin-top: 0.3rem;
            flex-shrink: 0;
        }

        /* ========== Benefit Cards ========== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .benefit-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            padding: 1.5rem 1.75rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--yc-accent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .benefit-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-4px);
        }

        .benefit-card:hover::before {
            opacity: 1;
        }

        .benefit-card .card-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--yc-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--yc-accent);
            font-size: 1.05rem;
            margin-bottom: 1rem;
        }

        .benefit-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .benefit-card p {
            font-size: 0.9rem;
            color: var(--yc-text-muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ========== Steps ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .step-item {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            padding: 1.5rem 1.5rem;
            text-align: center;
            position: relative;
            transition: all 0.3s ease;
        }

        .step-item:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-3px);
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--yc-primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            transition: background 0.3s ease;
        }

        .step-item:hover .step-number {
            background: var(--yc-accent);
        }

        .step-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 0.35rem;
        }

        .step-item p {
            font-size: 0.86rem;
            color: var(--yc-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== Content Scope ========== */
        .scope-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .scope-image-wrap {
            border-radius: var(--yc-radius-lg);
            overflow: hidden;
            box-shadow: var(--yc-shadow-lg);
            position: relative;
        }

        .scope-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(200, 85, 61, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .scope-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .scope-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .scope-text p {
            color: var(--yc-text-muted);
            font-size: 0.98rem;
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .scope-list {
            list-style: none;
            padding: 0;
            margin: 1rem 0 0;
        }

        .scope-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--yc-border);
        }

        .scope-list li:last-child {
            border-bottom: none;
        }

        .scope-list li i {
            color: var(--yc-accent);
            flex-shrink: 0;
            margin-top: 0.25rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--yc-shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--yc-primary);
            transition: all 0.25s ease;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--yc-font-body);
        }

        .faq-question:hover {
            color: var(--yc-accent);
        }

        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--yc-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all 0.3s ease;
            color: var(--yc-text-muted);
        }

        .faq-item.open .faq-question {
            color: var(--yc-accent);
        }

        .faq-item.open .faq-toggle-icon {
            background: var(--yc-accent);
            color: #FFFFFF;
            border-color: var(--yc-accent);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }

        .faq-answer p {
            color: var(--yc-text-muted);
            font-size: 0.93rem;
            line-height: 1.8;
            margin: 0;
            padding-top: 0.75rem;
            border-top: 1px solid var(--yc-border);
        }

        /* ========== Trust / Stats ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--yc-radius);
            padding: 1.5rem 1rem;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            font-family: var(--yc-font-title);
            margin-bottom: 0.25rem;
        }

        .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== Resource Entry Cards ========== */
        .resource-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .resource-entry-card {
            background: var(--yc-white);
            border: 1px solid var(--yc-border);
            border-radius: var(--yc-radius);
            box-shadow: var(--yc-shadow);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .resource-entry-card:hover {
            box-shadow: var(--yc-shadow-hover);
            transform: translateY(-4px);
        }

        .resource-entry-card .card-img {
            height: 160px;
            overflow: hidden;
        }

        .resource-entry-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
            transition: transform 0.4s ease;
        }

        .resource-entry-card:hover .card-img img {
            transform: scale(1.05);
        }

        .resource-entry-card .card-body {
            padding: 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .resource-entry-card h4 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 0.35rem;
        }

        .resource-entry-card p {
            font-size: 0.88rem;
            color: var(--yc-text-muted);
            margin-bottom: 0.8rem;
            flex: 1;
            line-height: 1.7;
        }

        .resource-entry-card .card-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--yc-accent);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: gap 0.25s ease;
        }

        .resource-entry-card .card-link:hover {
            gap: 0.55rem;
            color: var(--yc-accent-hover);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #1A1D23 0%, #2A2F38 100%);
            border-radius: var(--yc-radius-lg);
            padding: 3.5rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 85, 61, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--yc-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 2rem;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-logo {
            font-family: var(--yc-font-title);
            font-size: 1.4rem;
            font-weight: 800;
            color: #FFFFFF;
            display: inline-block;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--yc-accent);
            padding-left: 0.4rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            transition: color 0.25s ease;
        }

        .footer-bottom-links a:hover {
            color: var(--yc-accent);
        }

        /* ========== Responsive Adjustments ========== */
        @media (max-width: 1024px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .resource-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .subscribe-layout {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .subscribe-form-card {
                padding: 1.5rem 1.25rem;
            }
            .scope-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .steps-row {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .resource-entry-grid {
                grid-template-columns: 1fr;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero {
                padding: 2.5rem 0 2.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .cta-section .cta-title {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .resource-entry-card .card-img {
                height: 130px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }