/* roulang page: index */
:root {
            --yh-primary: #0d1b2a;
            --yh-primary-light: #1a2d44;
            --yh-accent: #c8a45c;
            --yh-accent-light: #d9bc7a;
            --yh-accent-dark: #b08a3e;
            --yh-bg: #ffffff;
            --yh-bg-alt: #f7f5f1;
            --yh-bg-dark: #0a1520;
            --yh-text: #1a1a1a;
            --yh-text-light: #5a5a5a;
            --yh-text-muted: #8a8a8a;
            --yh-border: #e5e0d8;
            --yh-border-light: #f0ece6;
            --yh-radius-sm: 8px;
            --yh-radius: 12px;
            --yh-radius-lg: 18px;
            --yh-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --yh-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --yh-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --yh-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13);
            --yh-font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --yh-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --yh-section-gap: 80px;
            --yh-container-max: 1200px;
            --yh-nav-height: 72px;
            --yh-bottom-tab-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--yh-nav-height);
        }

        body {
            font-family: var(--yh-font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--yh-text);
            background-color: var(--yh-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            overflow-x: hidden;
        }
        @media (max-width: 991px) {
            body {
                padding-bottom: var(--yh-bottom-tab-height);
            }
        }

        a {
            color: var(--yh-accent-dark);
            text-decoration: none;
            transition: color var(--yh-transition);
        }
        a:hover {
            color: var(--yh-accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--yh-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--yh-font);
            cursor: pointer;
        }
        button:focus-visible {
            outline: 2px solid var(--yh-accent);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: var(--yh-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ========== NAVBAR ========== */
        .yh-navbar {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--yh-border-light);
            box-shadow: var(--yh-shadow-sm);
            height: var(--yh-nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--yh-transition);
        }
        .yh-navbar.scrolled {
            box-shadow: var(--yh-shadow-lg);
        }
        .yh-navbar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .yh-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--yh-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--yh-transition);
        }
        .yh-logo:hover {
            color: var(--yh-accent-dark);
        }
        .yh-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--yh-primary) 0%, var(--yh-primary-light) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--yh-accent);
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .yh-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .yh-nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--yh-text);
            transition: all var(--yh-transition);
            white-space: nowrap;
            position: relative;
        }
        .yh-nav-links li a:hover {
            color: var(--yh-accent-dark);
            background: rgba(200, 164, 92, 0.06);
        }
        .yh-nav-links li a.active {
            color: var(--yh-accent-dark);
            font-weight: 600;
            background: rgba(200, 164, 92, 0.10);
        }
        .yh-nav-links li a .nav-dot {
            display: none;
        }
        .yh-nav-links li a.active .nav-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--yh-accent);
            margin-right: 6px;
            flex-shrink: 0;
        }
        .yh-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--yh-accent);
            color: #fff !important;
            border: none;
            transition: all var(--yh-transition);
            white-space: nowrap;
        }
        .yh-nav-cta:hover {
            background: var(--yh-accent-dark);
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--yh-shadow);
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--yh-primary);
            box-shadow: none !important;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler-icon {
            background-image: none;
            width: 24px;
            height: 2px;
            background: var(--yh-primary);
            position: relative;
            transition: all var(--yh-transition);
            border-radius: 2px;
        }
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: '';
            position: absolute;
            width: 24px;
            height: 2px;
            background: var(--yh-primary);
            left: 0;
            border-radius: 2px;
            transition: all var(--yh-transition);
        }
        .navbar-toggler-icon::before {
            top: -8px;
        }
        .navbar-toggler-icon::after {
            top: 8px;
        }
        @media (max-width: 991px) {
            .yh-nav-links {
                flex-direction: column;
                gap: 2px;
                padding: 12px 0;
                background: #fff;
                border-radius: var(--yh-radius);
                box-shadow: var(--yh-shadow-lg);
                margin-top: 8px;
            }
            .yh-nav-links li a {
                width: 100%;
                padding: 10px 18px;
                border-radius: 6px;
            }
            .navbar-collapse {
                position: absolute;
                top: var(--yh-nav-height);
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: var(--yh-radius-lg);
                box-shadow: var(--yh-shadow-xl);
                padding: 8px;
                z-index: 1060;
            }
        }
        @media (min-width: 992px) {
            .yh-nav-links {
                flex-direction: row;
            }
        }

        /* ========== BOTTOM TAB (Mobile) ========== */
        .yh-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid var(--yh-border-light);
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
            height: var(--yh-bottom-tab-height);
            padding: 0 4px;
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        @media (max-width: 991px) {
            .yh-bottom-tab {
                display: flex;
                align-items: center;
                justify-content: space-around;
            }
        }
        .yh-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            flex: 1;
            height: 100%;
            color: var(--yh-text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            transition: all var(--yh-transition);
            padding: 4px 2px;
            position: relative;
            text-decoration: none;
            border-radius: 8px;
        }
        .yh-bottom-tab a i {
            font-size: 1.2rem;
            transition: all var(--yh-transition);
        }
        .yh-bottom-tab a.active {
            color: var(--yh-accent-dark);
            font-weight: 600;
        }
        .yh-bottom-tab a.active i {
            color: var(--yh-accent);
        }
        .yh-bottom-tab a.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--yh-accent);
            border-radius: 0 0 4px 4px;
        }

        /* ========== HERO ========== */
        .yh-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(10, 21, 32, 0.88) 0%, rgba(13, 27, 42, 0.82) 40%, rgba(10, 21, 32, 0.9) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center;
            background-size: cover;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .yh-hero {
                min-height: 500px;
                align-items: flex-start;
                padding-top: 60px;
            }
        }
        .yh-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--yh-bg) 0%, transparent 100%);
            z-index: 2;
            pointer-events: none;
        }
        .yh-hero-content {
            position: relative;
            z-index: 3;
            color: #fff;
            max-width: 720px;
            padding: 40px 0;
        }
        .yh-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 164, 92, 0.2);
            border: 1px solid rgba(200, 164, 92, 0.35);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--yh-accent-light);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .yh-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }
        .yh-hero h1 span {
            color: var(--yh-accent);
        }
        @media (max-width: 768px) {
            .yh-hero h1 {
                font-size: 2.1rem;
            }
        }
        .yh-hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .yh-hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .yh-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--yh-transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }
        .yh-btn-primary {
            background: var(--yh-accent);
            color: #fff;
        }
        .yh-btn-primary:hover {
            background: var(--yh-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.35);
        }
        .yh-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .yh-btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .yh-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 24px;
        }

        /* ========== SECTIONS ========== */
        .yh-section {
            padding: var(--yh-section-gap) 0;
        }
        @media (max-width: 768px) {
            .yh-section {
                padding: 50px 0;
            }
        }
        .yh-section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .yh-section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--yh-accent-dark);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .yh-section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .yh-section-header h2 {
                font-size: 1.6rem;
            }
        }
        .yh-section-header .section-desc {
            color: var(--yh-text-light);
            max-width: 560px;
            margin: 0 auto;
            font-size: 1rem;
        }

        /* ========== STATS CARDS ========== */
        .yh-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 992px) {
            .yh-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .yh-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }
        .yh-stat-card {
            background: #fff;
            border-radius: var(--yh-radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--yh-shadow);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            position: relative;
            overflow: hidden;
        }
        .yh-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--yh-shadow-lg);
        }
        .yh-stat-card .stat-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            background: rgba(200, 164, 92, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--yh-accent-dark);
            font-size: 1.3rem;
        }
        .yh-stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--yh-primary);
            line-height: 1.1;
        }
        .yh-stat-card .stat-unit {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--yh-accent-dark);
            margin-left: 2px;
        }
        .yh-stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--yh-text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .yh-advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        @media (max-width: 992px) {
            .yh-advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .yh-advantage-grid {
                grid-template-columns: 1fr;
            }
        }
        .yh-advantage-card {
            background: #fff;
            border-radius: var(--yh-radius-lg);
            padding: 30px 24px;
            box-shadow: var(--yh-shadow);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            text-align: center;
        }
        .yh-advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--yh-shadow-xl);
            border-color: var(--yh-accent-light);
        }
        .yh-advantage-card .adv-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, rgba(200, 164, 92, 0.15) 0%, rgba(200, 164, 92, 0.06) 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--yh-accent-dark);
            font-size: 1.6rem;
            transition: all var(--yh-transition);
        }
        .yh-advantage-card:hover .adv-icon {
            background: var(--yh-accent);
            color: #fff;
        }
        .yh-advantage-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 8px;
        }
        .yh-advantage-card p {
            font-size: 0.9rem;
            color: var(--yh-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== BRAND STORY ========== */
        .yh-story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        @media (max-width: 992px) {
            .yh-story-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .yh-story-image {
            border-radius: var(--yh-radius-lg);
            overflow: hidden;
            box-shadow: var(--yh-shadow-xl);
            aspect-ratio: 4 / 3;
        }
        .yh-story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .yh-story-image:hover img {
            transform: scale(1.04);
        }
        .yh-story-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 16px;
        }
        .yh-story-text p {
            color: var(--yh-text-light);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        /* ========== CATEGORY GRID ========== */
        .yh-category-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }
        @media (max-width: 1200px) {
            .yh-category-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .yh-category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 480px) {
            .yh-category-grid {
                grid-template-columns: 1fr;
            }
        }
        .yh-category-card {
            display: block;
            background: #fff;
            border-radius: var(--yh-radius-lg);
            overflow: hidden;
            box-shadow: var(--yh-shadow);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            text-decoration: none;
            color: inherit;
        }
        .yh-category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--yh-shadow-xl);
            color: inherit;
        }
        .yh-category-card .cat-img {
            aspect-ratio: 3 / 2;
            overflow: hidden;
            position: relative;
        }
        .yh-category-card .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .yh-category-card:hover .cat-img img {
            transform: scale(1.06);
        }
        .yh-category-card .cat-img .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 21, 32, 0.7) 0%, transparent 50%);
            z-index: 1;
        }
        .yh-category-card .cat-body {
            padding: 18px 16px;
            position: relative;
            z-index: 2;
        }
        .yh-category-card .cat-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 4px;
        }
        .yh-category-card .cat-body .cat-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            color: var(--yh-accent-dark);
            font-weight: 600;
            transition: gap var(--yh-transition);
        }
        .yh-category-card:hover .cat-body .cat-arrow {
            gap: 8px;
        }

        /* ========== EVENT/SERVICE CARDS ========== */
        .yh-event-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .yh-event-grid {
                grid-template-columns: 1fr;
            }
        }
        .yh-event-card {
            background: #fff;
            border-radius: var(--yh-radius-lg);
            overflow: hidden;
            box-shadow: var(--yh-shadow);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            display: flex;
            flex-direction: column;
        }
        .yh-event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--yh-shadow-xl);
        }
        .yh-event-card .event-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .yh-event-card .event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .yh-event-card:hover .event-img img {
            transform: scale(1.05);
        }
        .yh-event-card .event-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .yh-event-card .event-body .event-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(200, 164, 92, 0.12);
            color: var(--yh-accent-dark);
            margin-bottom: 10px;
            width: fit-content;
        }
        .yh-event-card .event-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 8px;
        }
        .yh-event-card .event-body p {
            font-size: 0.9rem;
            color: var(--yh-text-light);
            margin: 0;
            flex: 1;
        }

        /* ========== PARTNERS ========== */
        .yh-partners-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 30px 40px;
        }
        .yh-partner-item {
            padding: 16px 22px;
            background: #fff;
            border-radius: var(--yh-radius);
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            font-weight: 600;
            color: var(--yh-text-light);
            font-size: 0.95rem;
            transition: all var(--yh-transition);
            text-align: center;
            min-width: 100px;
        }
        .yh-partner-item:hover {
            box-shadow: var(--yh-shadow);
            color: var(--yh-accent-dark);
            border-color: var(--yh-accent-light);
        }

        /* ========== REVIEWS ========== */
        .yh-review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        @media (max-width: 992px) {
            .yh-review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .yh-review-grid {
                grid-template-columns: 1fr;
            }
        }
        .yh-review-card {
            background: #fff;
            border-radius: var(--yh-radius-lg);
            padding: 26px 22px;
            box-shadow: var(--yh-shadow);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
        }
        .yh-review-card:hover {
            box-shadow: var(--yh-shadow-lg);
        }
        .yh-review-card .review-stars {
            color: var(--yh-accent);
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .yh-review-card .review-text {
            font-size: 0.95rem;
            color: var(--yh-text-light);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .yh-review-card .review-author {
            font-weight: 700;
            color: var(--yh-primary);
            font-size: 0.9rem;
        }
        .yh-review-card .review-role {
            font-size: 0.8rem;
            color: var(--yh-text-muted);
        }

        /* ========== FAQ ========== */
        .yh-faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }
        .yh-faq-wrapper .accordion-item {
            border: 1px solid var(--yh-border-light);
            border-radius: var(--yh-radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--yh-shadow-sm);
            background: #fff;
        }
        .yh-faq-wrapper .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--yh-primary);
            background: #fff;
            padding: 18px 22px;
            box-shadow: none !important;
            border-radius: var(--yh-radius) !important;
            transition: all var(--yh-transition);
        }
        .yh-faq-wrapper .accordion-button:not(.collapsed) {
            background: rgba(200, 164, 92, 0.05);
            color: var(--yh-accent-dark);
        }
        .yh-faq-wrapper .accordion-button::after {
            filter: brightness(0.5);
        }
        .yh-faq-wrapper .accordion-body {
            padding: 18px 22px 24px;
            color: var(--yh-text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== NEWS ========== */
        .yh-news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .yh-news-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--yh-radius-lg);
            padding: 18px 20px;
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            align-items: center;
        }
        .yh-news-item:hover {
            box-shadow: var(--yh-shadow);
            border-color: var(--yh-border);
        }
        @media (max-width: 600px) {
            .yh-news-item {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
        }
        .yh-news-item .news-thumb {
            width: 160px;
            height: 100px;
            border-radius: var(--yh-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        @media (max-width: 600px) {
            .yh-news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
        }
        .yh-news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .yh-news-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .yh-news-item .news-date {
            font-size: 0.78rem;
            color: var(--yh-text-muted);
            margin-bottom: 4px;
            font-weight: 500;
        }
        .yh-news-item .news-info h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .yh-news-item .news-info p {
            font-size: 0.85rem;
            color: var(--yh-text-light);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .yh-news-item .news-link {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--yh-accent-dark);
            transition: all var(--yh-transition);
        }
        .yh-news-item .news-link:hover {
            color: var(--yh-accent);
            gap: 8px;
        }

        /* ========== CTA SECTION ========== */
        .yh-cta-section {
            background: var(--yh-primary);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            border-radius: var(--yh-radius-lg);
            margin: var(--yh-section-gap) 0;
            position: relative;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .yh-cta-section {
                margin: 40px 0;
                padding: 40px 20px;
                border-radius: var(--yh-radius);
            }
        }
        .yh-cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(200, 164, 92, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }
        .yh-cta-section h3 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .yh-cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .yh-cta-section .yh-btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 14px 34px;
        }

        /* ========== FOOTER ========== */
        .yh-footer {
            background: var(--yh-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
        }
        @media (max-width: 991px) {
            .yh-footer {
                padding-bottom: 90px;
            }
        }
        .yh-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .yh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .yh-footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .yh-footer h5 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }
        .yh-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .yh-footer .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .yh-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .yh-footer ul li {
            margin-bottom: 8px;
        }
        .yh-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--yh-transition);
        }
        .yh-footer ul li a:hover {
            color: var(--yh-accent-light);
        }
        .yh-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== UTILITY OVERRIDES ========== */
        .bg-alt {
            background: var(--yh-bg-alt);
        }
        .text-accent {
            color: var(--yh-accent-dark) !important;
        }
        .fw-800 {
            font-weight: 800;
        }
        .gap-section {
            margin-top: var(--yh-section-gap);
        }
        @media (max-width: 768px) {
            .gap-section {
                margin-top: 50px;
            }
        }

/* roulang page: category4 */
:root {
            --yh-primary: #0d1b2a;
            --yh-primary-light: #1b2d45;
            --yh-accent: #c9a96e;
            --yh-accent-light: #d4b87a;
            --yh-accent-dark: #b8934f;
            --yh-bg: #f8f9fa;
            --yh-bg-alt: #f0f2f5;
            --yh-bg-dark: #0a1520;
            --yh-text: #1a1a2e;
            --yh-text-light: #4a4a5e;
            --yh-text-muted: #7a7a8e;
            --yh-white: #ffffff;
            --yh-border: #e2e5ea;
            --yh-border-light: #eef0f3;
            --yh-radius: 14px;
            --yh-radius-sm: 8px;
            --yh-radius-lg: 20px;
            --yh-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --yh-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --yh-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --yh-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.14);
            --yh-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --yh-font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --yh-container: 1180px;
            --yh-nav-height: 72px;
            --yh-bottom-tab-height: 60px;
        }

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

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

        body {
            font-family: var(--yh-font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--yh-text);
            background-color: var(--yh-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
            min-height: 100vh;
        }

        .container-custom {
            max-width: var(--yh-container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ===== 导航 ===== */
        .yh-navbar {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--yh-border-light);
            box-shadow: var(--yh-shadow-sm);
            height: var(--yh-nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--yh-transition);
        }
        .yh-navbar.scrolled {
            box-shadow: var(--yh-shadow);
        }
        .yh-navbar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .yh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--yh-primary);
            white-space: nowrap;
            transition: color var(--yh-transition);
        }
        .yh-logo:hover {
            color: var(--yh-accent);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--yh-primary), var(--yh-primary-light));
            color: var(--yh-accent);
            border-radius: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            flex-shrink: 0;
        }
        .yh-nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .yh-nav-links li a {
            display: flex;
            align-items: center;
            gap: 5px;
            text-decoration: none;
            color: var(--yh-text-light);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 15px;
            border-radius: 8px;
            transition: all var(--yh-transition);
            position: relative;
            white-space: nowrap;
        }
        .yh-nav-links li a:hover {
            color: var(--yh-primary);
            background: rgba(13, 27, 42, 0.04);
        }
        .yh-nav-links li a.active {
            color: var(--yh-primary);
            font-weight: 600;
            background: rgba(13, 27, 42, 0.06);
        }
        .yh-nav-links li a.active .nav-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--yh-accent);
            margin-right: 2px;
        }
        .nav-dot {
            display: none;
        }
        .yh-nav-links li a.active .nav-dot {
            display: inline-block;
        }
        .yh-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--yh-primary), var(--yh-primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 25px;
            text-decoration: none;
            transition: all var(--yh-transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .yh-nav-cta:hover {
            background: linear-gradient(135deg, var(--yh-accent-dark), var(--yh-accent));
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: none;
            padding: 6px;
            box-shadow: none;
            outline: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--yh-accent);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(13,27,42,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            #navMain {
                position: absolute;
                top: var(--yh-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--yh-border);
                box-shadow: var(--yh-shadow-lg);
                border-radius: 0 0 16px 16px;
                padding: 16px 20px;
            }
            .yh-nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .yh-nav-links li a {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 1rem;
            }
        }

        /* ===== 底部移动Tab导航 ===== */
        .yh-bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--yh-border-light);
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
            height: var(--yh-bottom-tab-height);
            padding: 0 8px;
        }
        .yh-bottom-tabs-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 500px;
            margin: 0 auto;
        }
        .yh-bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            text-decoration: none;
            color: var(--yh-text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 10px;
            transition: all var(--yh-transition);
            min-width: 50px;
            white-space: nowrap;
            position: relative;
        }
        .yh-bottom-tab i {
            font-size: 1.25rem;
            transition: all var(--yh-transition);
        }
        .yh-bottom-tab.active {
            color: var(--yh-primary);
            font-weight: 600;
        }
        .yh-bottom-tab.active i {
            color: var(--yh-accent);
        }
        .yh-bottom-tab.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--yh-accent);
        }
        .yh-bottom-tab:hover {
            color: var(--yh-primary);
        }
        .yh-bottom-tab:active {
            transform: scale(0.94);
        }

        @media (max-width: 991.98px) {
            .yh-bottom-tabs {
                display: block;
            }
            body {
                padding-bottom: calc(var(--yh-bottom-tab-height) + 16px);
            }
            .yh-footer {
                padding-bottom: calc(var(--yh-bottom-tab-height) + 32px) !important;
            }
        }

        /* ===== 板块标题 ===== */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--yh-accent);
            margin-bottom: 8px;
            background: rgba(201, 169, 110, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--yh-text-muted);
            max-width: 650px;
            line-height: 1.7;
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Hero Banner ===== */
        .page-hero {
            position: relative;
            padding: 90px 0 80px;
            background: linear-gradient(135deg, var(--yh-primary) 0%, #162d4a 50%, var(--yh-primary-light) 100%);
            overflow: hidden;
            color: #fff;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--yh-bg) 0%, transparent 100%);
            z-index: 1;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            border: 1px solid rgba(201, 169, 110, 0.4);
            color: var(--yh-accent-light);
            padding: 6px 18px;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .page-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .page-hero .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .page-hero .hero-stat {
            text-align: center;
        }
        .page-hero .hero-stat .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--yh-accent);
            letter-spacing: -1px;
        }
        .page-hero .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 56px 0 50px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-desc {
                font-size: 1rem;
            }
            .page-hero .hero-stats {
                gap: 20px;
            }
            .page-hero .hero-stat .stat-num {
                font-size: 1.8rem;
            }
        }

        /* ===== 品牌卡片网格 ===== */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .partner-card {
            background: #fff;
            border-radius: var(--yh-radius);
            overflow: hidden;
            box-shadow: var(--yh-shadow);
            transition: all var(--yh-transition);
            border: 1px solid var(--yh-border-light);
            display: flex;
            flex-direction: column;
        }
        .partner-card:hover {
            box-shadow: var(--yh-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--yh-accent);
        }
        .partner-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .partner-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .partner-card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 6px;
        }
        .partner-card-body .partner-tag {
            display: inline-block;
            background: rgba(201, 169, 110, 0.1);
            color: var(--yh-accent-dark);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .partner-card-body p {
            font-size: 0.9rem;
            color: var(--yh-text-muted);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }
        .partner-card-body .partner-link {
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--yh-primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: color var(--yh-transition);
        }
        .partner-card-body .partner-link:hover {
            color: var(--yh-accent);
        }
        .partner-card-body .partner-link i {
            font-size: 0.75rem;
            transition: transform var(--yh-transition);
        }
        .partner-card-body .partner-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 991.98px) {
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 575.98px) {
            .partner-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .partner-card-img {
                height: 180px;
            }
        }

        /* ===== 优势卡片 ===== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--yh-radius);
            padding: 28px 22px;
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            text-align: center;
            transition: all var(--yh-transition);
        }
        .advantage-card:hover {
            box-shadow: var(--yh-shadow);
            transform: translateY(-2px);
            border-color: var(--yh-accent);
        }
        .advantage-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.06), rgba(13, 27, 42, 0.02));
            color: var(--yh-accent);
            font-size: 1.6rem;
            margin-bottom: 16px;
            transition: all var(--yh-transition);
        }
        .advantage-card:hover .advantage-icon {
            background: linear-gradient(135deg, var(--yh-primary), var(--yh-primary-light));
            color: #fff;
        }
        .advantage-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.88rem;
            color: var(--yh-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 991.98px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ===== 流程步骤 ===== */
        .process-steps {
            display: flex;
            gap: 0;
            align-items: stretch;
            flex-wrap: wrap;
            position: relative;
        }
        .process-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            padding: 24px 16px;
            position: relative;
            background: #fff;
            border-radius: var(--yh-radius);
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            margin: 8px;
            transition: all var(--yh-transition);
        }
        .process-step:hover {
            box-shadow: var(--yh-shadow);
            border-color: var(--yh-accent);
        }
        .process-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--yh-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .process-step h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--yh-text-muted);
            line-height: 1.5;
            margin: 0;
        }
        .process-arrow {
            display: flex;
            align-items: center;
            color: var(--yh-accent);
            font-size: 1.5rem;
            padding: 0 4px;
            flex-shrink: 0;
        }

        @media (max-width: 991.98px) {
            .process-steps {
                flex-direction: column;
            }
            .process-arrow {
                transform: rotate(90deg);
                justify-content: center;
                padding: 4px 0;
            }
            .process-step {
                margin: 4px 0;
            }
        }

        /* ===== 评价卡片 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--yh-radius);
            padding: 24px 22px;
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 14px;
            right: 20px;
            font-size: 4rem;
            color: rgba(201, 169, 110, 0.2);
            line-height: 1;
            font-family: Georgia, serif;
            pointer-events: none;
        }
        .testimonial-card:hover {
            box-shadow: var(--yh-shadow);
            border-color: var(--yh-accent);
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--yh-text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-author img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--yh-accent);
        }
        .testimonial-author .author-info strong {
            display: block;
            font-size: 0.9rem;
            color: var(--yh-primary);
            font-weight: 700;
        }
        .testimonial-author .author-info span {
            font-size: 0.78rem;
            color: var(--yh-text-muted);
        }

        @media (max-width: 991.98px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA区块 ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--yh-primary) 0%, #162d4a 60%, var(--yh-primary-light) 100%);
            border-radius: var(--yh-radius-lg);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--yh-shadow-lg);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 550px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--yh-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            transition: all var(--yh-transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.4);
        }
        .cta-btn:hover {
            background: var(--yh-accent-light);
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 767.98px) {
            .cta-block {
                padding: 36px 24px;
                border-radius: var(--yh-radius);
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .cta-btn {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--yh-radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--yh-border-light);
            overflow: hidden;
            transition: all var(--yh-transition);
        }
        .faq-item:hover {
            box-shadow: var(--yh-shadow-sm);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--yh-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1rem;
            color: var(--yh-accent);
            transition: transform var(--yh-transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.93rem;
            color: var(--yh-text-light);
            line-height: 1.75;
        }

        /* ===== 页脚 ===== */
        .yh-footer {
            background: var(--yh-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            margin-top: 60px;
            font-size: 0.9rem;
        }
        .yh-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .yh-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .yh-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .yh-footer ul li {
            margin-bottom: 8px;
        }
        .yh-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 0.88rem;
            transition: color var(--yh-transition);
        }
        .yh-footer ul li a:hover {
            color: var(--yh-accent-light);
        }
        .yh-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 767.98px) {
            .yh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .yh-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 通用间距 ===== */
        .section-py {
            padding: 64px 0;
        }
        @media (max-width: 767.98px) {
            .section-py {
                padding: 40px 0;
            }
        }
        .text-center-mobile {
            text-align: center;
        }
        @media (min-width: 768px) {
            .text-center-mobile {
                text-align: left;
            }
        }

        /* 图片通用 */
        img {
            max-width: 100%;
            height: auto;
        }

        /* 可访问性 */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--yh-accent);
            outline-offset: 2px;
        }

/* roulang page: category3 */
:root {
            --yh-primary: #1a1a2e;
            --yh-primary-soft: #16213e;
            --yh-accent: #c9a84c;
            --yh-accent-light: #e0c878;
            --yh-accent-dark: #a8882f;
            --yh-surface: #ffffff;
            --yh-surface-alt: #f8f7f4;
            --yh-surface-dark: #1e1e30;
            --yh-text: #222222;
            --yh-text-soft: #5a5a6e;
            --yh-text-light: #888899;
            --yh-border: #e8e6e0;
            --yh-border-light: #f0efe9;
            --yh-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --yh-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --yh-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --yh-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.16);
            --yh-radius-xs: 6px;
            --yh-radius-sm: 10px;
            --yh-radius: 14px;
            --yh-radius-lg: 20px;
            --yh-radius-xl: 28px;
            --yh-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --yh-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --container-padding: 1.5rem;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--yh-text);
            background-color: var(--yh-surface);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--yh-transition);
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-padding);
            padding-right: var(--container-padding);
        }

        /* ============ NAVBAR ============ */
        .yh-navbar {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--yh-border-light);
            box-shadow: var(--yh-shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: all var(--yh-transition);
        }

        .yh-navbar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .yh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--yh-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--yh-transition);
        }

        .yh-logo:hover {
            opacity: 0.85;
            color: var(--yh-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--yh-accent), var(--yh-accent-dark));
            color: #fff;
            border-radius: var(--yh-radius-xs);
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .yh-nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .yh-nav-links li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.55rem 1rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--yh-text-soft);
            position: relative;
            transition: all var(--yh-transition);
            white-space: nowrap;
        }

        .yh-nav-links li a:hover {
            color: var(--yh-primary);
            background: rgba(26, 26, 46, 0.04);
        }

        .yh-nav-links li a.active {
            color: var(--yh-accent-dark);
            font-weight: 600;
            background: rgba(201, 168, 76, 0.08);
        }

        .nav-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--yh-accent);
            opacity: 0;
            transform: scale(0);
            transition: all var(--yh-transition);
        }

        .yh-nav-links li a.active .nav-dot {
            opacity: 1;
            transform: scale(1);
        }

        .yh-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.6rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--yh-accent), var(--yh-accent-dark));
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--yh-transition);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(168, 136, 47, 0.3);
            text-decoration: none;
        }

        .yh-nav-cta:hover {
            background: linear-gradient(135deg, var(--yh-accent-light), var(--yh-accent));
            box-shadow: 0 4px 16px rgba(168, 136, 47, 0.45);
            color: #fff;
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid var(--yh-border);
            border-radius: var(--yh-radius-xs);
            padding: 0.45rem 0.65rem;
            background: transparent;
            transition: all var(--yh-transition);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2);
            border-color: var(--yh-accent);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,26,46,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            padding: 5rem 0 4rem;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #1a1a2e 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.03), transparent);
            z-index: 1;
        }

        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }

        .page-banner .banner-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: rgba(201, 168, 76, 0.18);
            color: var(--yh-accent-light);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            border: 1px solid rgba(201, 168, 76, 0.3);
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.9rem;
            letter-spacing: 0.01em;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.6rem;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--yh-transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--yh-accent-light);
        }

        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb-custom .current {
            color: var(--yh-accent-light);
            font-weight: 500;
        }

        /* ============ SECTION TITLES ============ */
        .section-label {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            background: rgba(201, 168, 76, 0.1);
            color: var(--yh-accent-dark);
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 0.7rem;
            border: 1px solid rgba(201, 168, 76, 0.2);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 0.9rem;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--yh-text-soft);
            max-width: 650px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
        }

        /* ============ MEMBERSHIP TIERS ============ */
        .membership-tiers-section {
            padding: 4.5rem 0;
            background: var(--yh-surface);
        }

        .tier-card {
            background: #fff;
            border-radius: var(--yh-radius-lg);
            padding: 2.2rem 1.8rem;
            text-align: center;
            border: 1px solid var(--yh-border);
            box-shadow: var(--yh-shadow-md);
            transition: all var(--yh-transition-slow);
            position: relative;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .tier-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--yh-shadow-xl);
            border-color: var(--yh-accent);
        }

        .tier-card.featured {
            border-color: var(--yh-accent);
            box-shadow: var(--yh-shadow-lg);
            background: linear-gradient(180deg, #fffef9 0%, #ffffff 100%);
        }

        .tier-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: 16px;
            right: -28px;
            background: linear-gradient(135deg, var(--yh-accent), var(--yh-accent-dark));
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.2rem 2rem;
            transform: rotate(45deg);
            letter-spacing: 0.03em;
            z-index: 1;
        }

        .tier-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 1.2rem;
            flex-shrink: 0;
        }

        .tier-icon.silver {
            background: linear-gradient(135deg, #e8e8ec, #c0c0c8);
            color: #555;
        }

        .tier-icon.gold {
            background: linear-gradient(135deg, #f5d77a, #c9a84c);
            color: #fff;
        }

        .tier-icon.diamond {
            background: linear-gradient(135deg, #b8c5f0, #6b7fd4);
            color: #fff;
        }

        .tier-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 0.5rem;
        }

        .tier-card .tier-price {
            font-size: 1rem;
            color: var(--yh-text-soft);
            margin-bottom: 1.2rem;
        }

        .tier-card .tier-price strong {
            font-size: 1.8rem;
            color: var(--yh-accent-dark);
            font-weight: 700;
        }

        .tier-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            text-align: left;
            flex-grow: 1;
        }

        .tier-benefits li {
            padding: 0.4rem 0;
            font-size: 0.92rem;
            color: var(--yh-text-soft);
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            border-bottom: 1px solid var(--yh-border-light);
        }

        .tier-benefits li:last-child {
            border-bottom: none;
        }

        .tier-benefits li i {
            color: var(--yh-accent);
            font-size: 0.8rem;
            margin-top: 0.25rem;
            flex-shrink: 0;
        }

        .btn-tier {
            display: inline-block;
            padding: 0.65rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--yh-transition);
            border: 2px solid var(--yh-accent);
            background: transparent;
            color: var(--yh-accent-dark);
            cursor: pointer;
            text-decoration: none;
            margin-top: auto;
        }

        .btn-tier:hover {
            background: var(--yh-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(168, 136, 47, 0.35);
        }

        .btn-tier.featured-btn {
            background: linear-gradient(135deg, var(--yh-accent), var(--yh-accent-dark));
            color: #fff;
            border: 2px solid transparent;
        }

        .btn-tier.featured-btn:hover {
            background: linear-gradient(135deg, var(--yh-accent-light), var(--yh-accent));
            box-shadow: 0 6px 20px rgba(168, 136, 47, 0.45);
            transform: translateY(-2px);
        }

        /* ============ BENEFITS DETAIL ============ */
        .benefits-detail-section {
            padding: 4.5rem 0;
            background: var(--yh-surface-alt);
        }

        .benefit-block {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            padding: 2rem 0;
            border-bottom: 1px solid var(--yh-border);
        }

        .benefit-block:last-child {
            border-bottom: none;
        }

        .benefit-block.reverse {
            flex-direction: row-reverse;
        }

        .benefit-img-wrap {
            flex: 0 0 260px;
            border-radius: var(--yh-radius);
            overflow: hidden;
            box-shadow: var(--yh-shadow-md);
            aspect-ratio: 4/3;
        }

        .benefit-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--yh-transition-slow);
        }

        .benefit-img-wrap:hover img {
            transform: scale(1.06);
        }

        .benefit-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 0.6rem;
        }

        .benefit-content p {
            font-size: 0.98rem;
            color: var(--yh-text-soft);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 520px;
        }

        .benefit-content .benefit-tag {
            display: inline-block;
            padding: 0.25rem 0.8rem;
            background: rgba(201, 168, 76, 0.1);
            color: var(--yh-accent-dark);
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
        }

        /* ============ STATS ============ */
        .stats-section {
            padding: 4rem 0;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 100%);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }

        .stats-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .stats-section .section-title {
            color: #fff;
            text-align: center;
        }

        .stats-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--yh-radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--yh-transition);
            backdrop-filter: blur(4px);
            height: 100%;
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(201, 168, 76, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--yh-accent-light);
            letter-spacing: 0.02em;
            margin-bottom: 0.4rem;
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        .stat-sub {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 0.3rem;
        }

        /* ============ SERVICES LIST ============ */
        .services-list-section {
            padding: 4.5rem 0;
            background: var(--yh-surface);
        }

        .service-item-card {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.6rem 1.4rem;
            background: #fff;
            border-radius: var(--yh-radius);
            border: 1px solid var(--yh-border);
            box-shadow: var(--yh-shadow-sm);
            transition: all var(--yh-transition);
            height: 100%;
        }

        .service-item-card:hover {
            box-shadow: var(--yh-shadow-lg);
            border-color: var(--yh-accent);
            transform: translateY(-3px);
        }

        .service-item-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--yh-radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            background: rgba(201, 168, 76, 0.1);
            color: var(--yh-accent-dark);
        }

        .service-item-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 0.35rem;
        }

        .service-item-info p {
            font-size: 0.88rem;
            color: var(--yh-text-soft);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ============ FAQ SECTION ============ */
        .faq-section {
            padding: 4.5rem 0;
            background: var(--yh-surface-alt);
        }

        .faq-section .accordion-item {
            border: 1px solid var(--yh-border);
            border-radius: var(--yh-radius-sm) !important;
            margin-bottom: 0.7rem;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--yh-shadow-sm);
            transition: all var(--yh-transition);
        }

        .faq-section .accordion-item:hover {
            box-shadow: var(--yh-shadow-md);
        }

        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--yh-primary);
            background: #fff;
            padding: 1.1rem 1.4rem;
            border-radius: var(--yh-radius-sm) !important;
            box-shadow: none;
            transition: all var(--yh-transition);
        }

        .faq-section .accordion-button:not(.collapsed) {
            color: var(--yh-accent-dark);
            background: rgba(201, 168, 76, 0.04);
            box-shadow: none;
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2);
            border-color: var(--yh-accent);
        }

        .faq-section .accordion-button::after {
            background-size: 0.85rem;
            transition: transform var(--yh-transition);
        }

        .faq-section .accordion-body {
            font-size: 0.95rem;
            color: var(--yh-text-soft);
            padding: 0.6rem 1.4rem 1.3rem;
            line-height: 1.75;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 550px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.9rem 2.4rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--yh-accent), var(--yh-accent-dark));
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--yh-transition);
            box-shadow: 0 6px 24px rgba(168, 136, 47, 0.4);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .btn-cta-large:hover {
            background: linear-gradient(135deg, var(--yh-accent-light), var(--yh-accent));
            box-shadow: 0 10px 32px rgba(168, 136, 47, 0.55);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.9rem 2.4rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--yh-transition);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ============ FOOTER ============ */
        .yh-footer {
            background: #0d0d1a;
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 1.5rem;
            font-size: 0.92rem;
        }

        .yh-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 300px;
        }

        .yh-footer h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

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

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

        .yh-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--yh-transition);
            text-decoration: none;
        }

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

        .yh-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ MOBILE BOTTOM NAV ============ */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--yh-border);
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.08);
            padding: 0.45rem 0 env(safe-area-inset-bottom, 0.5rem);
        }

        .mobile-bottom-nav .bottom-nav-list {
            display: flex;
            justify-content: space-around;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0 0.3rem;
        }

        .mobile-bottom-nav .bottom-nav-list li {
            flex: 1;
            text-align: center;
        }

        .mobile-bottom-nav .bottom-nav-list li a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 0.7rem;
            color: var(--yh-text-light);
            padding: 0.3rem 0.2rem;
            transition: all var(--yh-transition);
            text-decoration: none;
            font-weight: 500;
        }

        .mobile-bottom-nav .bottom-nav-list li a i {
            font-size: 1.2rem;
            transition: all var(--yh-transition);
        }

        .mobile-bottom-nav .bottom-nav-list li a.active {
            color: var(--yh-accent-dark);
            font-weight: 600;
        }

        .mobile-bottom-nav .bottom-nav-list li a.active i {
            color: var(--yh-accent);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199.98px) {
            .yh-footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 2rem;
            }

            .benefit-block {
                gap: 1.8rem;
            }

            .benefit-img-wrap {
                flex: 0 0 220px;
            }

            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 991.98px) {
            .yh-nav-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.2rem;
                padding: 1rem 0;
            }

            .yh-nav-links li a {
                width: 100%;
                border-radius: var(--yh-radius-xs);
                padding: 0.65rem 1rem;
            }

            .yh-nav-cta.d-none.d-lg-inline-flex {
                display: none !important;
            }

            .yh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.8rem;
            }

            .benefit-block {
                flex-direction: column !important;
                text-align: center;
                gap: 1.5rem;
                padding: 1.5rem 0;
            }

            .benefit-img-wrap {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
                margin: 0 auto;
            }

            .benefit-content p {
                max-width: 100%;
                margin: 0 auto;
            }

            .page-banner {
                padding: 3.5rem 0 2.5rem;
                min-height: 260px;
            }

            .page-banner h1 {
                font-size: 1.9rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .stat-number {
                font-size: 2.1rem;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 767.98px) {
            .yh-footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-desc {
                max-width: 100%;
            }

            .tier-card {
                padding: 1.6rem 1.2rem;
            }

            .page-banner {
                padding: 2.8rem 0 2rem;
                min-height: 220px;
            }

            .page-banner h1 {
                font-size: 1.6rem;
            }

            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .section-desc {
                font-size: 0.95rem;
            }

            .stat-number {
                font-size: 1.9rem;
            }

            .stat-card {
                padding: 1.4rem 1rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .cta-section p {
                font-size: 0.95rem;
            }

            .btn-cta-large,
            .btn-cta-outline {
                padding: 0.7rem 1.8rem;
                font-size: 0.9rem;
            }

            .service-item-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }

            .mobile-bottom-nav {
                display: block;
            }

            body {
                padding-bottom: 70px;
            }

            .yh-footer {
                padding-bottom: 5rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }

            .page-banner {
                padding: 2.2rem 0 1.6rem;
                min-height: 180px;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .tier-card .tier-price strong {
                font-size: 1.5rem;
            }

            .tier-card {
                padding: 1.3rem 1rem;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .container-custom {
                --container-padding: 1rem;
            }

            .breadcrumb-custom {
                font-size: 0.78rem;
            }

            .cta-section {
                padding: 3rem 0;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --yh-primary: #1a1a2e;
            --yh-primary-light: #25254a;
            --yh-accent: #d4a745;
            --yh-accent-hover: #c59630;
            --yh-accent-light: #f0e2c4;
            --yh-bg: #f9f7f2;
            --yh-bg-alt: #f0ece0;
            --yh-bg-dark: #111122;
            --yh-text: #1c1c1c;
            --yh-text-secondary: #5a5a5a;
            --yh-text-light: #777777;
            --yh-text-on-dark: #e8e8e8;
            --yh-white: #ffffff;
            --yh-border: #e0dcd0;
            --yh-border-light: #ebe7db;
            --yh-radius-sm: 8px;
            --yh-radius: 14px;
            --yh-radius-lg: 20px;
            --yh-radius-xl: 28px;
            --yh-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --yh-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --yh-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.10);
            --yh-shadow-xl: 0 18px 56px rgba(0, 0, 0, 0.13);
            --yh-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --yh-font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --yh-font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --yh-nav-height: 72px;
            --yh-bottom-nav-height: 64px;
            --yh-container-max: 1200px;
            --yh-section-gap: 72px;
            --yh-section-gap-sm: 48px;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--yh-font-body);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--yh-text);
            background-color: var(--yh-bg);
            margin: 0;
            padding: 0;
            padding-top: var(--yh-nav-height);
            padding-bottom: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

        @media (max-width: 991.98px) {
            body {
                padding-bottom: calc(var(--yh-bottom-nav-height) + env(safe-area-inset-bottom, 8px));
            }
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--yh-transition);
        }

        a:hover {
            color: var(--yh-accent);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea,
        select {
            font-family: inherit;
        }

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

        h1 {
            font-size: 2.75rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.1rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        /* ========== 容器 ========== */
        .container-custom {
            width: 100%;
            max-width: var(--yh-container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 575.98px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== 板块间距 ========== */
        .section {
            padding-top: var(--yh-section-gap);
            padding-bottom: var(--yh-section-gap);
        }
        .section-sm {
            padding-top: var(--yh-section-gap-sm);
            padding-bottom: var(--yh-section-gap-sm);
        }
        @media (max-width: 767.98px) {
            .section {
                padding-top: var(--yh-section-gap-sm);
                padding-bottom: var(--yh-section-gap-sm);
            }
            .section-sm {
                padding-top: 36px;
                padding-bottom: 36px;
            }
        }

        /* ========== 导航 Header ========== */
        .yh-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--yh-white);
            border-bottom: 1px solid var(--yh-border-light);
            box-shadow: var(--yh-shadow-sm);
            height: var(--yh-nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--yh-transition);
        }

        .yh-navbar.scrolled {
            box-shadow: var(--yh-shadow-lg);
        }

        .yh-navbar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .yh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--yh-font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--yh-primary);
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--yh-transition);
        }

        .yh-logo:hover {
            color: var(--yh-primary);
            opacity: 0.85;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--yh-primary);
            color: var(--yh-accent);
            border-radius: var(--yh-radius-sm);
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .yh-nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .yh-nav-links li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--yh-text-secondary);
            transition: all var(--yh-transition);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .yh-nav-links li a:hover {
            color: var(--yh-primary);
            background: rgba(0, 0, 0, 0.03);
        }

        .yh-nav-links li a.active {
            color: var(--yh-primary);
            font-weight: 600;
            background: rgba(212, 167, 69, 0.10);
        }

        .yh-nav-links li a.active .nav-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--yh-accent);
            flex-shrink: 0;
        }

        .yh-nav-links li a .nav-dot {
            display: none;
        }

        .yh-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--yh-primary);
            color: var(--yh-white) !important;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--yh-transition);
            text-decoration: none;
            border: none;
        }

        .yh-nav-cta:hover {
            background: var(--yh-primary-light);
            color: var(--yh-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--yh-shadow-lg);
        }

        /* 移动端导航折叠 */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                position: fixed;
                top: var(--yh-nav-height);
                left: 0;
                right: 0;
                background: var(--yh-white);
                padding: 16px 20px 24px;
                border-bottom: 1px solid var(--yh-border-light);
                box-shadow: var(--yh-shadow-lg);
                max-height: calc(100vh - var(--yh-nav-height) - var(--yh-bottom-nav-height));
                overflow-y: auto;
            }
            .yh-nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .yh-nav-links li a {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 1rem;
            }
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px 4px;
            color: var(--yh-primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--yh-accent);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%231a1a2e' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        /* ========== 移动端底部Tab导航 ========== */
        .mobile-bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1049;
            display: flex;
            align-items: center;
            justify-content: space-around;
            background: var(--yh-white);
            border-top: 1px solid var(--yh-border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
            height: var(--yh-bottom-nav-height);
            padding-bottom: env(safe-area-inset-bottom, 0px);
            gap: 0;
        }

        .bottom-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 8px;
            border-radius: 10px;
            font-size: 0.68rem;
            font-weight: 500;
            color: var(--yh-text-light);
            text-decoration: none;
            transition: all var(--yh-transition);
            min-width: 56px;
            text-align: center;
            flex: 1;
        }

        .bottom-nav-item i {
            font-size: 1.25rem;
            transition: all var(--yh-transition);
        }

        .bottom-nav-item:hover {
            color: var(--yh-primary);
            background: rgba(0, 0, 0, 0.02);
            text-decoration: none;
        }

        .bottom-nav-item.active {
            color: var(--yh-primary);
            font-weight: 700;
        }

        .bottom-nav-item.active i {
            color: var(--yh-accent);
        }

        @media (min-width: 992px) {
            .mobile-bottom-nav {
                display: none !important;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            padding: 16px 0;
            margin: 0;
            font-size: 0.88rem;
            color: var(--yh-text-light);
            background: transparent;
        }
        .breadcrumb-nav a {
            color: var(--yh-text-secondary);
            text-decoration: none;
            transition: color var(--yh-transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--yh-accent);
        }
        .breadcrumb-nav .separator {
            margin: 0 8px;
            color: var(--yh-border);
        }
        .breadcrumb-nav .current {
            color: var(--yh-primary);
            font-weight: 600;
        }

        /* ========== 页面Banner ========== */
        .page-banner {
            position: relative;
            background: var(--yh-primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 70px 0 80px;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.65) 60%, rgba(26, 26, 46, 0.82) 100%);
            z-index: 1;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-tag {
            display: inline-block;
            background: var(--yh-accent);
            color: var(--yh-primary);
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            color: #ffffff;
            font-size: 2.8rem;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-banner .banner-subtitle {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 650px;
            line-height: 1.7;
        }
        @media (max-width: 767.98px) {
            .page-banner {
                padding: 48px 0 56px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== 分类卡片网格 ========== */
        .subcat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 991.98px) {
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 575.98px) {
            .subcat-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }
        .subcat-card {
            background: var(--yh-white);
            border-radius: var(--yh-radius);
            overflow: hidden;
            box-shadow: var(--yh-shadow-sm);
            transition: all var(--yh-transition);
            text-decoration: none;
            display: flex;
            flex-direction: column;
            border: 1px solid transparent;
        }
        .subcat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--yh-shadow-xl);
            border-color: var(--yh-accent-light);
            text-decoration: none;
            color: inherit;
        }
        .subcat-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--yh-bg-alt);
        }
        .subcat-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .subcat-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .subcat-card .card-body-custom {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .subcat-card .card-body-custom h4 {
            margin: 0;
            font-size: 1.1rem;
            color: var(--yh-primary);
            font-weight: 700;
        }
        .subcat-card .card-body-custom p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--yh-text-secondary);
            line-height: 1.6;
        }
        .subcat-card .card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--yh-accent);
            margin-top: auto;
            transition: gap var(--yh-transition);
        }
        .subcat-card:hover .card-arrow {
            gap: 8px;
        }

        /* ========== 资讯列表 ========== */
        .news-list-item {
            display: flex;
            gap: 24px;
            background: var(--yh-white);
            border-radius: var(--yh-radius);
            padding: 20px 24px;
            box-shadow: var(--yh-shadow-sm);
            transition: all var(--yh-transition);
            border: 1px solid transparent;
            text-decoration: none;
            color: inherit;
            align-items: flex-start;
        }
        .news-list-item:hover {
            box-shadow: var(--yh-shadow-lg);
            border-color: var(--yh-border);
            text-decoration: none;
            color: inherit;
            transform: translateX(3px);
        }
        .news-list-thumb {
            flex-shrink: 0;
            width: 200px;
            aspect-ratio: 16 / 10;
            border-radius: var(--yh-radius-sm);
            overflow: hidden;
            background: var(--yh-bg-alt);
        }
        .news-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-list-item:hover .news-list-thumb img {
            transform: scale(1.05);
        }
        .news-list-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }
        .news-list-content .news-meta {
            font-size: 0.8rem;
            color: var(--yh-text-light);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .news-list-content .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-list-content h3 {
            font-size: 1.15rem;
            margin: 0;
            line-height: 1.45;
            color: var(--yh-primary);
        }
        .news-list-content p {
            font-size: 0.9rem;
            color: var(--yh-text-secondary);
            margin: 0;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-content .read-more-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--yh-accent);
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        @media (max-width: 767.98px) {
            .news-list-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }
            .news-list-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .news-list-content h3 {
                font-size: 1.05rem;
            }
        }

        /* ========== 深度报道大卡 ========== */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--yh-white);
            border-radius: var(--yh-radius-lg);
            overflow: hidden;
            box-shadow: var(--yh-shadow);
            transition: all var(--yh-transition);
            text-decoration: none;
            color: inherit;
            border: 1px solid transparent;
        }
        .featured-card:hover {
            box-shadow: var(--yh-shadow-xl);
            border-color: var(--yh-border);
            text-decoration: none;
            color: inherit;
        }
        .featured-card .fc-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--yh-bg-alt);
            height: 100%;
            min-height: 280px;
        }
        .featured-card .fc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .featured-card:hover .fc-img img {
            transform: scale(1.05);
        }
        .featured-card .fc-body {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }
        .featured-card .fc-tag {
            display: inline-block;
            background: var(--yh-accent-light);
            color: var(--yh-primary);
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            align-self: flex-start;
        }
        .featured-card .fc-body h3 {
            font-size: 1.5rem;
            margin: 0;
            color: var(--yh-primary);
            line-height: 1.4;
        }
        .featured-card .fc-body p {
            font-size: 0.95rem;
            color: var(--yh-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        @media (max-width: 767.98px) {
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .fc-img {
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
            .featured-card .fc-body {
                padding: 24px 20px;
            }
            .featured-card .fc-body h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== 数据统计条 ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--yh-primary);
            border-radius: var(--yh-radius-lg);
            overflow: hidden;
            box-shadow: var(--yh-shadow-lg);
        }
        .stats-strip .stat-item {
            text-align: center;
            padding: 32px 20px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--yh-transition);
        }
        .stats-strip .stat-item:last-child {
            border-right: none;
        }
        .stats-strip .stat-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .stats-strip .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--yh-accent);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stats-strip .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            font-weight: 500;
        }
        @media (max-width: 767.98px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip .stat-item {
                padding: 24px 14px;
            }
            .stats-strip .stat-item:nth-child(2) {
                border-right: none;
            }
            .stats-strip .stat-number {
                font-size: 1.8rem;
            }
            .stats-strip .stat-label {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 400px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
            .stats-strip .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ========== CTA板块 ========== */
        .cta-block {
            background: var(--yh-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: var(--yh-radius-lg);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--yh-shadow-xl);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(26, 26, 46, 0.75) 100%);
            z-index: 1;
        }
        .cta-block .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .cta-block .cta-text h2 {
            color: #ffffff;
            margin-bottom: 8px;
            font-size: 1.75rem;
        }
        .cta-block .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            font-size: 1rem;
            max-width: 500px;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--yh-accent);
            color: var(--yh-primary) !important;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--yh-transition);
            text-decoration: none;
            border: none;
        }
        .cta-btn:hover {
            background: var(--yh-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 167, 69, 0.35);
            color: var(--yh-primary) !important;
        }
        @media (max-width: 767.98px) {
            .cta-block {
                padding: 36px 24px;
            }
            .cta-block .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-block .cta-text h2 {
                font-size: 1.4rem;
            }
            .cta-block .cta-text p {
                max-width: 100%;
            }
        }

        /* ========== 标签/徽章 ========== */
        .yh-badge {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .yh-badge-accent {
            background: var(--yh-accent-light);
            color: var(--yh-primary);
        }
        .yh-badge-outline {
            background: transparent;
            border: 1.5px solid var(--yh-accent);
            color: var(--yh-accent);
        }
        .yh-badge-dark {
            background: var(--yh-primary);
            color: var(--yh-white);
        }

        /* ========== 分隔线 ========== */
        .yh-divider {
            border: none;
            border-top: 1px solid var(--yh-border-light);
            margin: 0;
        }

        /* ========== 标题区块头 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--yh-accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header .section-desc {
            color: var(--yh-text-secondary);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }
        @media (max-width: 575.98px) {
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== 页脚 ========== */
        .yh-footer {
            background: var(--yh-bg-dark);
            color: var(--yh-text-on-dark);
            padding: 56px 0 28px;
            margin-top: var(--yh-section-gap);
        }
        .yh-footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        @media (max-width: 991.98px) {
            .yh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 575.98px) {
            .yh-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .yh-footer {
                padding: 40px 0 20px;
                margin-top: var(--yh-section-gap-sm);
            }
        }
        .footer-brand {
            font-family: var(--yh-font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .yh-footer h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .yh-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .yh-footer ul li {
            margin-bottom: 8px;
        }
        .yh-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--yh-transition);
            text-decoration: none;
        }
        .yh-footer ul li a:hover {
            color: var(--yh-accent);
            text-decoration: none;
        }
        .yh-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 分页导航 ========== */
        .pagination-nav {
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            padding-top: 16px;
        }
        .pagination-nav .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--yh-white);
            color: var(--yh-text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            text-decoration: none;
        }
        .pagination-nav .page-link-custom:hover {
            background: var(--yh-accent-light);
            color: var(--yh-primary);
            border-color: var(--yh-accent);
            text-decoration: none;
        }
        .pagination-nav .page-link-custom.active-page {
            background: var(--yh-primary);
            color: var(--yh-white);
            border-color: var(--yh-primary);
            pointer-events: none;
        }

        /* ========== 焦点可见样式 ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2.5px solid var(--yh-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== 动画工具 ========== */
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== Bootstrap覆盖 ========== */
        .btn:focus {
            box-shadow: 0 0 0 0.2rem rgba(212, 167, 69, 0.3) !important;
        }
        .navbar-toggler:focus {
            box-shadow: none !important;
        }

/* roulang page: category1 */
:root {
            --yh-primary: #c9a050;
            --yh-primary-dark: #a07d38;
            --yh-primary-light: #e0c878;
            --yh-accent: #1a1a2e;
            --yh-accent-2: #16213e;
            --yh-bg: #f9f7f3;
            --yh-bg-alt: #f0ebe0;
            --yh-bg-dark: #1c1c1c;
            --yh-text: #2c2c2c;
            --yh-text-light: #6b6b6b;
            --yh-text-muted: #9a9a9a;
            --yh-white: #ffffff;
            --yh-border: #e0d8c8;
            --yh-border-light: #ede6d6;
            --yh-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --yh-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --yh-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --yh-radius-sm: 8px;
            --yh-radius: 12px;
            --yh-radius-lg: 16px;
            --yh-radius-xl: 20px;
            --yh-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --yh-font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --yh-nav-height: 72px;
            --yh-bottom-tab-height: 60px;
            --yh-container-max: 1200px;
            --yh-section-gap: 80px;
            --yh-section-gap-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--yh-font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--yh-text);
            background-color: var(--yh-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--yh-transition);
        }

        a:hover {
            color: var(--yh-primary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            line-height: 1.35;
            font-weight: 700;
            color: var(--yh-accent);
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        .container-custom {
            max-width: var(--yh-container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER / NAVBAR ========== */
        .yh-navbar {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--yh-border-light);
            box-shadow: var(--yh-shadow-sm);
            height: var(--yh-nav-height);
            display: flex;
            align-items: center;
            transition: all var(--yh-transition);
        }

        .yh-navbar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .yh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--yh-accent);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--yh-transition);
        }

        .yh-logo:hover {
            color: var(--yh-primary);
        }

        .yh-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--yh-primary), var(--yh-primary-dark));
            color: #fff;
            font-weight: 900;
            font-size: 1.15rem;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(201, 160, 80, 0.35);
        }

        .yh-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
        }

        .yh-nav-links li a {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--yh-text);
            transition: all var(--yh-transition);
            position: relative;
            white-space: nowrap;
        }

        .yh-nav-links li a .nav-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: transparent;
            transition: all var(--yh-transition);
        }

        .yh-nav-links li a:hover {
            color: var(--yh-primary);
            background: rgba(201, 160, 80, 0.06);
        }

        .yh-nav-links li a.active {
            color: var(--yh-primary);
            background: rgba(201, 160, 80, 0.1);
            font-weight: 700;
        }

        .yh-nav-links li a.active .nav-dot {
            background: var(--yh-primary);
            box-shadow: 0 0 8px rgba(201, 160, 80, 0.5);
        }

        .yh-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 25px;
            background: linear-gradient(135deg, var(--yh-primary), var(--yh-primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            border: none;
            transition: all var(--yh-transition);
            box-shadow: 0 4px 14px rgba(201, 160, 80, 0.4);
        }

        .yh-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 160, 80, 0.55);
            color: #fff;
        }

        .yh-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 160, 80, 0.3);
        }

        /* navbar-toggler 定制 */
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            background: transparent;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(201, 160, 80, 0.3);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(44,44,44,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        /* ========== BOTTOM TAB NAV (MOBILE) ========== */
        .yh-bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--yh-border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            height: var(--yh-bottom-tab-height);
            padding: 0 8px;
        }

        .yh-bottom-tab-nav .tab-list {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            margin: 0;
            padding: 0;
        }

        .yh-bottom-tab-nav .tab-list li {
            flex: 1;
            text-align: center;
        }

        .yh-bottom-tab-nav .tab-list li a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 4px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--yh-text-muted);
            border-radius: 10px;
            transition: all var(--yh-transition);
            min-height: 48px;
        }

        .yh-bottom-tab-nav .tab-list li a .tab-icon {
            font-size: 1.25rem;
            transition: all var(--yh-transition);
        }

        .yh-bottom-tab-nav .tab-list li a.active {
            color: var(--yh-primary);
            font-weight: 700;
        }

        .yh-bottom-tab-nav .tab-list li a.active .tab-icon {
            color: var(--yh-primary);
            transform: scale(1.1);
        }

        .yh-bottom-tab-nav .tab-list li a:hover {
            color: var(--yh-primary);
        }

        /* ========== INNER PAGE BANNER ========== */
        .yh-inner-banner {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(160deg, var(--yh-accent) 0%, var(--yh-accent-2) 60%, #0f1629 100%);
            color: #fff;
            overflow: hidden;
            text-align: center;
        }

        .yh-inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .yh-inner-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(201, 160, 80, 0.15) 0%, transparent 65%);
            z-index: 1;
        }

        .yh-inner-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            margin: 0 auto;
        }

        .yh-inner-banner .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(201, 160, 80, 0.2);
            color: var(--yh-primary-light);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(201, 160, 80, 0.3);
        }

        .yh-inner-banner h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.25;
        }

        .yh-inner-banner h1 span {
            color: var(--yh-primary-light);
        }

        .yh-inner-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== SECTION COMMON ========== */
        .yh-section {
            padding: var(--yh-section-gap) 0;
        }

        .yh-section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .yh-section-title h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--yh-accent);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .yh-section-title .title-line {
            display: block;
            width: 50px;
            height: 3px;
            background: var(--yh-primary);
            margin: 12px auto 14px;
            border-radius: 2px;
        }

        .yh-section-title p {
            color: var(--yh-text-light);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto;
        }

        /* ========== CARDS ========== */
        .yh-card {
            background: var(--yh-white);
            border-radius: var(--yh-radius-lg);
            box-shadow: var(--yh-shadow);
            overflow: hidden;
            transition: all var(--yh-transition);
            border: 1px solid var(--yh-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .yh-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--yh-shadow-lg);
            border-color: var(--yh-primary-light);
        }

        .yh-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--yh-bg-alt);
        }

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

        .yh-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .yh-card .card-body-custom {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .yh-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            background: rgba(201, 160, 80, 0.12);
            color: var(--yh-primary-dark);
            align-self: flex-start;
        }

        .yh-card .card-tag.hot {
            background: rgba(220, 53, 69, 0.1);
            color: #c0392b;
        }

        .yh-card .card-tag.new {
            background: rgba(25, 135, 84, 0.1);
            color: #198754;
        }

        .yh-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--yh-accent);
            margin: 0;
            line-height: 1.4;
        }

        .yh-card p {
            font-size: 0.9rem;
            color: var(--yh-text-light);
            margin: 0;
            line-height: 1.6;
        }

        .yh-card .card-meta {
            font-size: 0.82rem;
            color: var(--yh-text-muted);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: auto;
            padding-top: 6px;
        }

        .yh-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== BUTTONS ========== */
        .yh-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 26px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--yh-transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .yh-btn-primary {
            background: linear-gradient(135deg, var(--yh-primary), var(--yh-primary-dark));
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 160, 80, 0.4);
        }

        .yh-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(201, 160, 80, 0.55);
            color: #fff;
        }

        .yh-btn-outline {
            background: transparent;
            color: var(--yh-primary);
            border: 2px solid var(--yh-primary);
        }

        .yh-btn-outline:hover {
            background: var(--yh-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .yh-btn-sm {
            padding: 7px 16px;
            font-size: 0.82rem;
            border-radius: 20px;
        }

        /* ========== STATS ROW ========== */
        .yh-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .yh-stat-card {
            background: var(--yh-white);
            border-radius: var(--yh-radius-lg);
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--yh-shadow);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
        }

        .yh-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--yh-shadow-lg);
            border-color: var(--yh-primary-light);
        }

        .yh-stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--yh-primary);
            margin-bottom: 12px;
        }

        .yh-stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--yh-accent);
            letter-spacing: 1px;
            margin-bottom: 4px;
        }

        .yh-stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--yh-text-light);
            font-weight: 500;
        }

        /* ========== FEATURED EVENT LIST ========== */
        .yh-event-list-item {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--yh-white);
            border-radius: var(--yh-radius-lg);
            padding: 20px 24px;
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            margin-bottom: 16px;
        }

        .yh-event-list-item:hover {
            box-shadow: var(--yh-shadow);
            border-color: var(--yh-primary-light);
            transform: translateX(4px);
        }

        .yh-event-list-item .event-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--yh-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--yh-bg-alt);
        }

        .yh-event-list-item .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .yh-event-list-item .event-info {
            flex: 1;
            min-width: 0;
        }

        .yh-event-list-item .event-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--yh-accent);
        }

        .yh-event-list-item .event-info p {
            font-size: 0.85rem;
            color: var(--yh-text-light);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .yh-event-list-item .event-date {
            text-align: right;
            flex-shrink: 0;
            font-weight: 700;
            color: var(--yh-primary-dark);
            font-size: 0.9rem;
            white-space: nowrap;
        }

        /* ========== FAQ ========== */
        .yh-faq-item {
            background: var(--yh-white);
            border-radius: var(--yh-radius);
            margin-bottom: 12px;
            border: 1px solid var(--yh-border-light);
            overflow: hidden;
            transition: all var(--yh-transition);
        }

        .yh-faq-item .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--yh-accent);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: all var(--yh-transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

        .yh-faq-item .faq-question:hover {
            color: var(--yh-primary);
            background: rgba(201, 160, 80, 0.03);
        }

        .yh-faq-item .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--yh-primary);
            transition: transform var(--yh-transition);
            flex-shrink: 0;
        }

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

        .yh-faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--yh-text-light);
            line-height: 1.75;
            background: rgba(249, 247, 243, 0.5);
        }

        .yh-faq-item.open .faq-answer {
            max-height: 500px;
            padding: 16px 22px 20px;
        }

        /* ========== CTA SECTION ========== */
        .yh-cta-section {
            background: linear-gradient(150deg, var(--yh-accent) 0%, #0d1b2a 100%);
            border-radius: var(--yh-radius-xl);
            padding: 60px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 20px;
        }

        .yh-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

        .yh-cta-section>* {
            position: relative;
            z-index: 1;
        }

        .yh-cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .yh-cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .yh-footer {
            background: var(--yh-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: var(--yh-section-gap);
        }

        .yh-footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .yh-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }

        .yh-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 8px;
        }

        .yh-footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

        .yh-footer ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--yh-transition);
        }

        .yh-footer ul li a:hover {
            color: var(--yh-primary-light);
            padding-left: 4px;
        }

        .yh-footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .yh-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .yh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .yh-inner-banner h1 {
                font-size: 2.2rem;
            }

            .yh-section {
                padding: var(--yh-section-gap-mobile) 0;
            }

            .yh-event-list-item {
                flex-wrap: wrap;
                gap: 12px;
            }

            .yh-event-list-item .event-date {
                text-align: left;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --yh-nav-height: 60px;
                --yh-section-gap: 48px;
                --yh-section-gap-mobile: 36px;
            }

            body {
                padding-bottom: var(--yh-bottom-tab-height);
            }

            .yh-bottom-tab-nav {
                display: block;
            }

            .yh-navbar .yh-nav-cta.d-lg-inline-flex {
                display: none !important;
            }

            .yh-navbar .navbar-collapse {
                position: absolute;
                top: var(--yh-nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.99);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 16px 20px 24px;
                border-bottom: 1px solid var(--yh-border-light);
                box-shadow: var(--yh-shadow-lg);
                border-radius: 0 0 var(--yh-radius-lg) var(--yh-radius-lg);
                z-index: 1040;
            }

            .yh-nav-links {
                flex-direction: column;
                gap: 2px;
            }

            .yh-nav-links li a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .yh-inner-banner {
                padding: 56px 0 48px;
            }

            .yh-inner-banner h1 {
                font-size: 1.8rem;
            }

            .yh-inner-banner p {
                font-size: 0.95rem;
            }

            .yh-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .yh-stat-card {
                padding: 20px 14px;
            }

            .yh-stat-card .stat-number {
                font-size: 1.8rem;
            }

            .yh-cta-section {
                padding: 40px 20px;
                margin: 0 12px;
                border-radius: var(--yh-radius-lg);
            }

            .yh-cta-section h2 {
                font-size: 1.5rem;
            }

            .yh-footer {
                margin-bottom: var(--yh-bottom-tab-height);
                padding: 40px 0 20px;
            }

            .yh-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }

            .yh-event-list-item .event-thumb {
                width: 70px;
                height: 52px;
            }

            .yh-event-list-item .event-info h4 {
                font-size: 0.95rem;
            }

            .yh-section-title h2 {
                font-size: 1.55rem;
            }

            .yh-card .card-body-custom {
                padding: 16px 14px 18px;
            }
        }

        @media (max-width: 520px) {
            .yh-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .yh-stat-card .stat-number {
                font-size: 1.5rem;
            }

            .yh-stat-card .stat-icon {
                font-size: 1.6rem;
            }

            .yh-inner-banner h1 {
                font-size: 1.5rem;
            }

            .yh-inner-banner p {
                font-size: 0.88rem;
            }

            .yh-event-list-item {
                padding: 14px 16px;
            }

            .yh-event-list-item .event-thumb {
                width: 56px;
                height: 42px;
            }

            .yh-card h3 {
                font-size: 1.05rem;
            }

            .yh-section-title h2 {
                font-size: 1.35rem;
            }
        }

        @media (min-width: 769px) {
            .yh-bottom-tab-nav {
                display: none !important;
            }

            body {
                padding-bottom: 0 !important;
            }
        }

        @media (min-width: 992px) {
            .yh-nav-links {
                flex-direction: row;
            }

            .navbar-collapse.d-lg-flex {
                display: flex !important;
            }
        }

/* roulang page: category5 */
:root {
            --yh-primary: #1a1a2e;
            --yh-primary-light: #25254a;
            --yh-accent: #d4a853;
            --yh-accent-light: #e8c97a;
            --yh-accent-dark: #b8913a;
            --yh-bg: #fafaf8;
            --yh-bg-alt: #f3f2ed;
            --yh-bg-dark: #1a1a2e;
            --yh-text: #1c1c1e;
            --yh-text-light: #5c5c5e;
            --yh-text-on-dark: #e8e8e0;
            --yh-border: #e5e4df;
            --yh-border-light: #efeee9;
            --yh-white: #ffffff;
            --yh-radius-sm: 8px;
            --yh-radius: 14px;
            --yh-radius-lg: 22px;
            --yh-radius-xl: 28px;
            --yh-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --yh-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --yh-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --yh-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13);
            --yh-transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --yh-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --yh-font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --yh-section-gap: 90px;
            --yh-section-gap-mobile: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--yh-font-body);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--yh-text);
            background-color: var(--yh-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--yh-transition);
        }
        a:hover {
            color: var(--yh-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        input,
        textarea,
        select {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--yh-accent);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 18px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .yh-navbar {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--yh-border-light);
            box-shadow: var(--yh-shadow-sm);
            padding: 10px 0;
            transition: box-shadow var(--yh-transition), background var(--yh-transition);
        }
        .yh-navbar.scrolled {
            box-shadow: var(--yh-shadow);
            background: rgba(255, 255, 255, 0.97);
        }
        .yh-navbar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .yh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--yh-font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--yh-primary);
            white-space: nowrap;
            transition: color var(--yh-transition);
        }
        .yh-logo:hover {
            color: var(--yh-accent-dark);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--yh-radius-sm);
            background: linear-gradient(135deg, var(--yh-primary) 0%, var(--yh-primary-light) 100%);
            color: var(--yh-accent);
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .yh-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            flex-wrap: wrap;
        }
        .yh-nav-links li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 30px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--yh-text);
            white-space: nowrap;
            transition: all var(--yh-transition);
            position: relative;
        }
        .yh-nav-links li a .nav-dot {
            display: none;
        }
        .yh-nav-links li a:hover {
            color: var(--yh-accent-dark);
            background: rgba(212, 168, 83, 0.06);
        }
        .yh-nav-links li a.active {
            color: var(--yh-accent-dark);
            font-weight: 600;
            background: rgba(212, 168, 83, 0.10);
        }
        .yh-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.93rem;
            white-space: nowrap;
            background: var(--yh-primary);
            color: #fff !important;
            transition: all var(--yh-transition);
            border: 2px solid var(--yh-primary);
        }
        .yh-nav-cta:hover {
            background: var(--yh-accent-dark);
            border-color: var(--yh-accent-dark);
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--yh-shadow);
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            color: var(--yh-text);
            font-size: 1.4rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--yh-accent);
            outline-offset: 2px;
            border-radius: 6px;
        }
        @media (max-width: 991.98px) {
            .yh-nav-links {
                flex-direction: column;
                gap: 4px;
                padding: 16px 0 8px 0;
                width: 100%;
                align-items: stretch;
            }
            .yh-nav-links li a {
                justify-content: center;
                padding: 11px 18px;
                border-radius: var(--yh-radius-sm);
                font-size: 1rem;
            }
            #navMain {
                width: 100%;
            }
            .yh-navbar .container-custom {
                flex-wrap: wrap;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: var(--yh-primary) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.55) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            text-align: center;
            width: 100%;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(212, 168, 83, 0.18);
            color: var(--yh-accent-light);
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(212, 168, 83, 0.25);
        }
        .page-banner h1 {
            font-family: var(--yh-font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .page-banner .banner-sub {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-sub {
                font-size: 0.98rem;
            }
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--yh-section-gap) 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--yh-section-gap-mobile) 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .section-label {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 30px;
            background: rgba(212, 168, 83, 0.10);
            color: var(--yh-accent-dark);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-header h2 {
            font-family: var(--yh-font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--yh-text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 34px;
            }
        }

        /* ========== PARTNER CARDS ========== */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .partner-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }
        .partner-card {
            background: var(--yh-white);
            border-radius: var(--yh-radius-lg);
            overflow: hidden;
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            text-align: center;
            padding-bottom: 20px;
        }
        .partner-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--yh-shadow-lg);
            border-color: var(--yh-accent);
        }
        .partner-card .partner-img-wrap {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--yh-bg-alt);
        }
        .partner-card .partner-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .partner-card:hover .partner-img-wrap img {
            transform: scale(1.06);
        }
        .partner-card .partner-tier {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1px;
            z-index: 2;
            background: var(--yh-primary);
            color: var(--yh-accent-light);
        }
        .partner-card .partner-tier.gold {
            background: linear-gradient(135deg, #b8913a, #d4a853);
            color: #fff;
        }
        .partner-card h4 {
            font-family: var(--yh-font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin: 16px 16px 6px 16px;
        }
        .partner-card .partner-tagline {
            font-size: 0.88rem;
            color: var(--yh-text-light);
            margin: 0 16px;
            line-height: 1.5;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        @media (max-width: 992px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }
        .advantage-card {
            background: var(--yh-white);
            border-radius: var(--yh-radius-lg);
            padding: 34px 28px;
            box-shadow: var(--yh-shadow-sm);
            border: 1px solid var(--yh-border-light);
            transition: all var(--yh-transition);
            text-align: center;
        }
        .advantage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--yh-shadow-lg);
            border-color: var(--yh-accent);
        }
        .advantage-card .adv-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.10);
            color: var(--yh-accent-dark);
            font-size: 1.8rem;
            margin-bottom: 18px;
            transition: all var(--yh-transition);
        }
        .advantage-card:hover .adv-icon {
            background: var(--yh-accent);
            color: #fff;
            transform: scale(1.08);
        }
        .advantage-card h4 {
            font-family: var(--yh-font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.94rem;
            color: var(--yh-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CASE STUDY ========== */
        .case-block {
            background: var(--yh-white);
            border-radius: var(--yh-radius-xl);
            overflow: hidden;
            box-shadow: var(--yh-shadow);
            border: 1px solid var(--yh-border-light);
            display: flex;
            flex-direction: row;
            margin-bottom: 24px;
            transition: all var(--yh-transition);
        }
        .case-block:hover {
            box-shadow: var(--yh-shadow-lg);
        }
        .case-block .case-img {
            flex: 0 0 40%;
            min-height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .case-block .case-body {
            flex: 1;
            padding: 32px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .case-block .case-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(212, 168, 83, 0.12);
            color: var(--yh-accent-dark);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .case-block h4 {
            font-family: var(--yh-font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--yh-primary);
            margin-bottom: 8px;
        }
        .case-block p {
            font-size: 0.95rem;
            color: var(--yh-text-light);
            line-height: 1.75;
            margin: 0;
        }
        @media (max-width: 768px) {
            .case-block {
                flex-direction: column;
            }
            .case-block .case-img {
                flex: 0 0 200px;
                min-height: 200px;
                width: 100%;
            }
            .case-block .case-body {
                padding: 22px 18px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list .accordion-item {
            border: 1px solid var(--yh-border-light);
            border-radius: var(--yh-radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--yh-shadow-sm);
            transition: all var(--yh-transition);
        }
        .faq-list .accordion-item:hover {
            box-shadow: var(--yh-shadow);
        }
        .faq-list .accordion-button {
            font-family: var(--yh-font-heading);
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--yh-primary);
            background: var(--yh-white);
            padding: 18px 22px;
            border-radius: var(--yh-radius) !important;
            transition: all var(--yh-transition);
            box-shadow: none;
        }
        .faq-list .accordion-button:not(.collapsed) {
            color: var(--yh-accent-dark);
            background: rgba(212, 168, 83, 0.04);
            box-shadow: none;
        }
        .faq-list .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--yh-accent);
            outline-offset: -2px;
            border-radius: var(--yh-radius);
        }
        .faq-list .accordion-body {
            font-size: 0.95rem;
            color: var(--yh-text-light);
            line-height: 1.85;
            padding: 8px 22px 22px 22px;
            background: var(--yh-white);
        }
        .faq-list .accordion-button::after {
            transition: transform 0.3s ease;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--yh-primary);
            color: #fff;
            text-align: center;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--yh-font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 580px;
            margin: 0 auto 28px auto;
            line-height: 1.8;
        }
        .cta-section .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--yh-accent);
            color: var(--yh-primary) !important;
            border: none;
            transition: all var(--yh-transition);
            letter-spacing: 0.5px;
        }
        .cta-section .btn-cta-lg:hover {
            background: var(--yh-accent-light);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(212, 168, 83, 0.35);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 48px 0;
            }
        }

        /* ========== FOOTER ========== */
        .yh-footer {
            background: var(--yh-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px 0;
            margin-top: auto;
        }
        .yh-footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        @media (max-width: 992px) {
            .yh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .yh-footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }
        .footer-brand {
            font-family: var(--yh-font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
        }
        .yh-footer h5 {
            font-family: var(--yh-font-heading);
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .yh-footer ul li {
            margin-bottom: 8px;
        }
        .yh-footer ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--yh-transition);
        }
        .yh-footer ul li a:hover {
            color: var(--yh-accent-light);
        }
        .yh-footer-bottom {
            text-align: center;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.5px;
        }

        /* ========== MOBILE BOTTOM TAB BAR ========== */
        .mobile-tab-bar {
            display: none;
        }
        @media (max-width: 991.98px) {
            .mobile-tab-bar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 1060;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-top: 1px solid var(--yh-border-light);
                box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
                justify-content: space-around;
                align-items: center;
                padding: 8px 4px env(safe-area-inset-bottom, 8px) 4px;
            }
            .mobile-tab-bar a {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 3px;
                font-size: 0.7rem;
                font-weight: 500;
                color: var(--yh-text-light);
                padding: 6px 10px;
                border-radius: 12px;
                transition: all var(--yh-transition);
                text-align: center;
                min-width: 52px;
            }
            .mobile-tab-bar a i {
                font-size: 1.25rem;
            }
            .mobile-tab-bar a.active {
                color: var(--yh-accent-dark);
                font-weight: 700;
            }
            .mobile-tab-bar a:hover {
                color: var(--yh-accent-dark);
            }
            body {
                padding-bottom: 80px;
            }
        }

        /* ========== MISC ========== */
        .bg-alt {
            background: var(--yh-bg-alt);
        }
        .text-accent {
            color: var(--yh-accent-dark);
        }
        .fw-700 {
            font-weight: 700;
        }