/* roulang page: index */
:root {
            --cs-deep-blue: #0E2A47;
            --cs-ocean-cyan: #0E7C86;
            --cs-gold: #E6B85C;
            --cs-red: #D85A4A;
            --cs-paper: #FAF7F0;
            --cs-light-warm: #F5F3EE;
            --cs-ink: #1F2933;
            --cs-muted: #6B7280;
            --cs-border: #E8E2D6;
            --cs-card-bg: #FFFFFF;
            --cs-gold-soft: rgba(230, 184, 92, 0.16);
            --cs-cyan-soft: rgba(14, 124, 134, 0.12);
            --cs-red-soft: rgba(216, 90, 74, 0.12);
            --cs-radius-lg: 22px;
            --cs-radius-md: 16px;
            --cs-radius-sm: 10px;
            --cs-shadow-sm: 0 4px 12px rgba(14, 42, 71, 0.06);
            --cs-shadow-md: 0 8px 24px rgba(14, 42, 71, 0.08);
            --cs-shadow-lg: 0 16px 40px rgba(14, 42, 71, 0.14);
            --cs-gradient-brand: linear-gradient(135deg, #0E2A47 0%, #0E7C86 62%, rgba(230, 184, 92, 0.92) 130%);
            --cs-gradient-btn: linear-gradient(135deg, #0E2A47 0%, #0E7C86 100%);
            --cs-gradient-gold: linear-gradient(135deg, #E6B85C 0%, #D89A3C 100%);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--cs-paper);
            color: var(--cs-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--cs-ocean-cyan);
            transition: color 0.22s ease;
        }
        a:hover {
            color: var(--cs-gold);
        }
        a:focus,
        button:focus,
        input:focus,
        .btn:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-gap {
            padding: 72px 0;
        }
        .section-gap-sm {
            padding: 48px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--cs-muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .text-gold {
            color: var(--cs-gold);
        }
        .text-ink {
            color: var(--cs-ink);
        }
        .bg-paper {
            background-color: var(--cs-paper);
        }
        .bg-warm {
            background-color: var(--cs-light-warm);
        }
        .badge-cs {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .badge-cs-gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }
        .badge-cs-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }
        .badge-cs-red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }
        .badge-cs-solid-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }
        .badge-cs-solid-cyan {
            background: var(--cs-ocean-cyan);
            color: #FFFFFF;
        }
        .badge-cs-solid-red {
            background: var(--cs-red);
            color: #FFFFFF;
        }
        .btn-cs {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            border: none;
            transition: all 0.28s ease;
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
            justify-content: center;
        }
        .btn-cs-primary {
            background: var(--cs-gradient-btn);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(14, 124, 134, 0.28);
        }
        .btn-cs-primary:hover {
            color: #FFFFFF;
            box-shadow: 0 12px 28px rgba(14, 124, 134, 0.4);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #16406a 0%, #0e8a96 100%);
        }
        .btn-cs-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
            box-shadow: 0 8px 20px rgba(230, 184, 92, 0.32);
        }
        .btn-cs-gold:hover {
            color: #1F2933;
            box-shadow: 0 12px 28px rgba(230, 184, 92, 0.45);
            transform: translateY(-2px);
        }
        .btn-cs-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            box-shadow: none;
        }
        .btn-cs-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
        }
        .btn-cs-light-outline {
            background: transparent;
            color: var(--cs-deep-blue);
            border: 2px solid #C9D4DE;
            box-shadow: none;
        }
        .btn-cs-light-outline:hover {
            background: #FFFFFF;
            color: var(--cs-deep-blue);
            border-color: var(--cs-ocean-cyan);
            transform: translateY(-2px);
            box-shadow: var(--cs-shadow-md);
        }
        .btn-cs-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-cs-lg {
            padding: 16px 34px;
            font-size: 18px;
        }

        /* Header / Nav */
        .cs-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 2px 12px rgba(14, 42, 71, 0.06);
            border-bottom: 1px solid rgba(14, 42, 71, 0.06);
        }
        .cs-header .navbar {
            padding: 14px 0;
        }
        .cs-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            letter-spacing: 1px;
            transition: color 0.2s ease;
        }
        .cs-brand:hover {
            color: var(--cs-ocean-cyan);
        }
        .cs-brand-icon {
            width: 40px;
            height: 40px;
            background: var(--cs-gradient-brand);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 20px;
            box-shadow: 0 6px 14px rgba(14, 42, 71, 0.2);
        }
        .cs-nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--cs-ink);
            padding: 8px 14px !important;
            border-radius: 8px;
            transition: all 0.24s ease;
            letter-spacing: 0.2px;
        }
        .cs-nav-link:hover {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
        }
        .cs-nav-link.active {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
            font-weight: 700;
        }
        .cs-nav-cta {
            margin-left: 12px;
            padding: 10px 20px;
            font-size: 14px;
            border-radius: 999px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-weight: 700;
            transition: all 0.28s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .cs-nav-cta:hover {
            color: #1F2933;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(230, 184, 92, 0.35);
        }
        .navbar-toggler {
            border: 1px solid #E0DCD2;
            background: #FFFFFF;
            border-radius: 10px;
            padding: 8px 10px;
            box-shadow: var(--cs-shadow-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(230, 184, 92, 0.4);
        }
        .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='%230E2A47' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Breadcrumb */
        .cs-breadcrumb {
            background: transparent;
            padding: 18px 0 4px;
            margin-bottom: 0;
            font-size: 14px;
            color: var(--cs-muted);
        }
        .cs-breadcrumb .breadcrumb {
            margin-bottom: 0;
            background: transparent;
        }
        .cs-breadcrumb .breadcrumb-item a {
            color: var(--cs-muted);
            font-weight: 500;
        }
        .cs-breadcrumb .breadcrumb-item a:hover {
            color: var(--cs-ocean-cyan);
        }
        .cs-breadcrumb .breadcrumb-item.active {
            color: var(--cs-ocean-cyan);
            font-weight: 700;
        }
        .cs-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
            content: "/";
            color: #B8B2A4;
            margin: 0 8px;
        }

        /* Hero Bento */
        .cs-hero {
            background: linear-gradient(150deg, #0E2A47 0%, #0E5E6E 48%, rgba(230, 184, 92, 0.82) 125%);
            border-radius: 0 0 36px 36px;
            padding: 72px 0 88px;
            position: relative;
            overflow: hidden;
            color: #FFFFFF;
        }
        .cs-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(230, 184, 92, 0.22) 0%, rgba(230, 184, 92, 0) 55%),
                radial-gradient(ellipse at bottom left, rgba(0, 0, 0, 0.18) 0%, rgba(0, 0, 0, 0) 50%);
            pointer-events: none;
        }
        .cs-hero-content {
            position: relative;
            z-index: 2;
        }
        .cs-hero-title {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .cs-hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .cs-hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .cs-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cs-hero-stat {
            display: flex;
            flex-direction: column;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            border-radius: 16px;
            padding: 16px 20px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            min-width: 120px;
        }
        .cs-hero-stat-num {
            font-size: 26px;
            font-weight: 900;
            color: var(--cs-gold);
            line-height: 1.2;
        }
        .cs-hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
            margin-top: 4px;
        }
        .cs-bento-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 18px;
            position: relative;
            z-index: 2;
        }
        .cs-bento-main {
            grid-row: span 2;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
        }
        .cs-bento-mini {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        .cs-bento-mini-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(230, 184, 92, 0.28);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--cs-gold);
            flex-shrink: 0;
        }
        .cs-bento-mini h6 {
            font-weight: 700;
            margin-bottom: 2px;
            font-size: 16px;
            color: #FFFFFF;
        }
        .cs-bento-mini p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 0;
            line-height: 1.5;
        }
        .cs-hero-img-wrap {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
            border: 2px solid rgba(255, 255, 255, 0.22);
            height: 100%;
            min-height: 240px;
            position: relative;
        }
        .cs-hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .cs-hero-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 42, 71, 0) 30%, rgba(14, 42, 71, 0.7) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
            z-index: 2;
        }
        .cs-hero-img-overlay span {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
        }
        .cs-hero-cta-strip {
            margin-top: 28px;
            background: rgba(0, 0, 0, 0.2);
            border-radius: 18px;
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            position: relative;
            z-index: 2;
        }
        .cs-hero-cta-strip .strip-text {
            flex: 1;
            min-width: 200px;
            font-size: 16px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
        }
        .cs-hero-cta-strip .strip-text i {
            color: var(--cs-gold);
            margin-right: 8px;
        }

        /* Cards */
        .cs-card {
            background: var(--cs-card-bg);
            border-radius: var(--cs-radius-lg);
            box-shadow: var(--cs-shadow-md);
            overflow: hidden;
            transition: all 0.3s ease;
            border: 1px solid rgba(14, 42, 71, 0.04);
            height: 100%;
        }
        .cs-card:hover {
            box-shadow: var(--cs-shadow-lg);
            transform: translateY(-5px);
            border-color: rgba(230, 184, 92, 0.35);
        }
        .cs-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .cs-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cs-card:hover .cs-card-img img {
            transform: scale(1.06);
        }
        .cs-card-body {
            padding: 22px 24px;
        }
        .cs-card-title {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .cs-card-text {
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .cs-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .cs-card-link {
            font-size: 15px;
            font-weight: 700;
            color: var(--cs-ocean-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.25s ease;
        }
        .cs-card-link:hover {
            color: var(--cs-gold);
            gap: 8px;
        }

        /* Pain Point Section */
        .cs-pain-card {
            background: var(--cs-card-bg);
            border-radius: var(--cs-radius-lg);
            padding: 30px;
            box-shadow: var(--cs-shadow-md);
            border-left: 5px solid var(--cs-red);
            transition: all 0.3s ease;
            height: 100%;
            border-top: 1px solid rgba(14, 42, 71, 0.04);
            border-right: 1px solid rgba(14, 42, 71, 0.04);
            border-bottom: 1px solid rgba(14, 42, 71, 0.04);
        }
        .cs-pain-card:hover {
            box-shadow: var(--cs-shadow-lg);
            transform: translateY(-4px);
        }
        .cs-pain-num {
            font-size: 42px;
            font-weight: 900;
            color: rgba(216, 90, 74, 0.2);
            line-height: 1;
            margin-bottom: 14px;
        }
        .cs-pain-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cs-pain-text {
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .cs-pain-tag {
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--cs-red-soft);
            color: var(--cs-red);
            display: inline-block;
        }

        /* Solution Cards */
        .cs-solution-card {
            background: var(--cs-card-bg);
            border-radius: var(--cs-radius-lg);
            padding: 30px;
            box-shadow: var(--cs-shadow-md);
            border-top: 5px solid var(--cs-ocean-cyan);
            transition: all 0.3s ease;
            height: 100%;
            border-left: 1px solid rgba(14, 42, 71, 0.04);
            border-right: 1px solid rgba(14, 42, 71, 0.04);
            border-bottom: 1px solid rgba(14, 42, 71, 0.04);
        }
        .cs-solution-card:hover {
            box-shadow: var(--cs-shadow-lg);
            transform: translateY(-4px);
        }
        .cs-solution-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--cs-cyan-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--cs-ocean-cyan);
            margin-bottom: 18px;
        }
        .cs-solution-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cs-solution-text {
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .cs-solution-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* Results / Stats Section */
        .cs-results-bg {
            background: var(--cs-deep-blue);
            border-radius: 32px;
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--cs-shadow-lg);
        }
        .cs-results-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(140deg, rgba(14, 124, 134, 0.35) 0%, rgba(14, 42, 71, 0) 50%, rgba(230, 184, 92, 0.2) 100%);
            pointer-events: none;
        }
        .cs-results-content {
            position: relative;
            z-index: 2;
        }
        .cs-results-title {
            color: #FFFFFF;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cs-results-subtitle {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 36px;
            max-width: 620px;
        }
        .cs-stat-badge {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border-radius: 20px;
            padding: 24px 20px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
        }
        .cs-stat-badge:hover {
            background: rgba(255, 255, 255, 0.16);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
        }
        .cs-stat-badge-num {
            font-size: 32px;
            font-weight: 900;
            color: var(--cs-gold);
            line-height: 1.2;
        }
        .cs-stat-badge-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
            margin-top: 6px;
            font-weight: 500;
        }

        /* Testimonial Cards */
        .cs-testimonial-card {
            background: var(--cs-card-bg);
            border-radius: var(--cs-radius-lg);
            padding: 28px;
            box-shadow: var(--cs-shadow-md);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            border: 1px solid rgba(14, 42, 71, 0.04);
        }
        .cs-testimonial-card:hover {
            box-shadow: var(--cs-shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(230, 184, 92, 0.3);
        }
        .cs-testimonial-stars {
            color: var(--cs-gold);
            font-size: 15px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }
        .cs-testimonial-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--cs-ink);
            flex: 1;
            margin-bottom: 16px;
        }
        .cs-testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .cs-testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--cs-gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 17px;
            flex-shrink: 0;
        }
        .cs-testimonial-name {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.3;
        }
        .cs-testimonial-role {
            font-size: 13px;
            color: var(--cs-muted);
        }

        /* News / Info Section */
        .cs-news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 20px;
            background: var(--cs-card-bg);
            border-radius: 16px;
            box-shadow: var(--cs-shadow-sm);
            transition: all 0.28s ease;
            border: 1px solid rgba(14, 42, 71, 0.04);
            margin-bottom: 12px;
        }
        .cs-news-item:hover {
            box-shadow: var(--cs-shadow-md);
            transform: translateX(6px);
            border-color: rgba(230, 184, 92, 0.28);
        }
        .cs-news-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
            padding: 6px 12px;
            border-radius: 10px;
            white-space: nowrap;
            text-align: center;
            min-width: 64px;
            flex-shrink: 0;
        }
        .cs-news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--cs-ink);
            line-height: 1.45;
        }
        .cs-news-title:hover {
            color: var(--cs-ocean-cyan);
        }
        .cs-news-summary {
            font-size: 14px;
            color: var(--cs-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .cs-news-sidebar {
            background: var(--cs-card-bg);
            border-radius: var(--cs-radius-lg);
            padding: 28px;
            box-shadow: var(--cs-shadow-md);
            position: sticky;
            top: 100px;
        }
        .cs-news-sidebar h5 {
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 18px;
        }
        .cs-news-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cs-news-sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--cs-border);
            font-size: 14px;
            font-weight: 500;
        }
        .cs-news-sidebar-list li:last-child {
            border-bottom: none;
        }
        .cs-news-sidebar-list a {
            color: var(--cs-ink);
            transition: all 0.2s ease;
        }
        .cs-news-sidebar-list a:hover {
            color: var(--cs-ocean-cyan);
            padding-left: 6px;
        }

        /* Brand Intro */
        .cs-brand-intro {
            background: var(--cs-card-bg);
            border-radius: 28px;
            padding: 40px 36px;
            box-shadow: var(--cs-shadow-md);
            border: 1px solid rgba(14, 42, 71, 0.05);
            position: relative;
            overflow: hidden;
        }
        .cs-brand-intro::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: var(--cs-gold-soft);
            border-radius: 50%;
            pointer-events: none;
        }
        .cs-brand-intro h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .cs-brand-intro p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--cs-ink);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cs-partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 22px;
            position: relative;
            z-index: 2;
        }
        .cs-partner-tag {
            background: var(--cs-light-warm);
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--cs-ink);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: default;
            transition: all 0.24s ease;
            border: 1px solid var(--cs-border);
        }
        .cs-partner-tag i {
            color: var(--cs-ocean-cyan);
            font-size: 15px;
        }
        .cs-partner-tag:hover {
            background: var(--cs-cyan-soft);
            border-color: rgba(14, 124, 134, 0.3);
            color: var(--cs-ocean-cyan);
        }

        /* FAQ */
        .cs-accordion .accordion-item {
            border: 1px solid var(--cs-border);
            border-radius: 16px !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--cs-card-bg);
            box-shadow: var(--cs-shadow-sm);
            transition: all 0.25s ease;
        }
        .cs-accordion .accordion-item:hover {
            box-shadow: var(--cs-shadow-md);
        }
        .cs-accordion .accordion-button {
            background: transparent;
            font-weight: 700;
            font-size: 16px;
            color: var(--cs-ink);
            padding: 20px 24px;
            border-radius: 16px;
            box-shadow: none;
        }
        .cs-accordion .accordion-button:not(.collapsed) {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
            box-shadow: none;
            border-radius: 16px 16px 0 0;
        }
        .cs-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E7C86'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform 0.3s ease;
        }
        .cs-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(230, 184, 92, 0.3);
            border-color: var(--cs-gold);
        }
        .cs-accordion .accordion-body {
            padding: 18px 24px 22px;
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.8;
        }

        /* CTA Section */
        .cs-cta {
            background: var(--cs-gradient-brand);
            border-radius: 32px;
            padding: 60px 40px;
            position: relative;
            overflow: hidden;
            text-align: center;
            box-shadow: var(--cs-shadow-lg);
            color: #FFFFFF;
        }
        .cs-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(230, 184, 92, 0.25) 0%, rgba(14, 42, 71, 0) 60%);
            pointer-events: none;
        }
        .cs-cta h2 {
            font-size: 32px;
            font-weight: 900;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
            letter-spacing: 0.5px;
        }
        .cs-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 2;
            line-height: 1.8;
        }
        .cs-cta .btn-row {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* Footer */
        .cs-footer {
            background: #0A1D31;
            color: rgba(255, 255, 255, 0.78);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .cs-footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .cs-footer-brand-icon {
            width: 40px;
            height: 40px;
            background: var(--cs-gradient-brand);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 20px;
        }
        .cs-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.68);
            max-width: 380px;
            margin-bottom: 20px;
        }
        .cs-footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .cs-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cs-footer-links li {
            margin-bottom: 10px;
        }
        .cs-footer-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .cs-footer-links a:hover {
            color: var(--cs-gold);
            padding-left: 4px;
        }
        .cs-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 36px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .cs-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .cs-footer-bottom a:hover {
            color: var(--cs-gold);
        }

        /* Misc */
        .cs-divider {
            height: 1px;
            background: linear-gradient(90deg, rgba(14, 42, 71, 0.06) 0%, rgba(230, 184, 92, 0.4) 50%, rgba(14, 42, 71, 0.06) 100%);
            margin: 0;
            border: none;
        }
        .cs-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .cs-icon-gold {
            background: var(--cs-gold-soft);
            color: var(--cs-gold);
        }
        .cs-icon-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }
        .cs-icon-red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cs-bento-grid {
                grid-template-columns: 1fr;
            }
            .cs-bento-main {
                grid-row: span 1;
            }
            .section-gap {
                padding: 56px 0;
            }
            .cs-results-bg {
                padding: 44px 28px;
            }
        }
        @media (max-width: 768px) {
            .cs-hero {
                padding: 48px 0 64px;
                border-radius: 0 0 24px 24px;
            }
            .cs-hero-title {
                font-size: 28px;
            }
            .cs-hero-desc {
                font-size: 15px;
            }
            .cs-hero-stats {
                gap: 12px;
            }
            .cs-hero-stat {
                padding: 12px 16px;
                min-width: 90px;
            }
            .cs-hero-stat-num {
                font-size: 22px;
            }
            .section-gap {
                padding: 44px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .cs-news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .cs-news-date {
                min-width: auto;
            }
            .cs-cta {
                padding: 44px 22px;
                border-radius: 24px;
            }
            .cs-cta h2 {
                font-size: 26px;
            }
            .cs-results-bg {
                padding: 36px 20px;
                border-radius: 24px;
            }
            .cs-results-title {
                font-size: 24px;
            }
            .cs-brand-intro {
                padding: 28px 22px;
            }
            .cs-news-sidebar {
                position: static;
                margin-top: 20px;
            }
            .cs-hero-cta-strip {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .cs-hero-stats {
                flex-wrap: wrap;
                gap: 8px;
            }
            .cs-hero-stat {
                flex: 1 1 45%;
                min-width: 0;
            }
            .cs-hero-cta-row {
                flex-direction: column;
            }
            .btn-cs {
                width: 100%;
                padding: 14px 20px;
                font-size: 15px;
            }
            .cs-nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
                width: 100%;
            }
            .cs-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cs-stat-badge-num {
                font-size: 24px;
            }
            .cs-stat-badge {
                padding: 18px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --cs-deep-blue: #0E2A47;
            --cs-ocean-cyan: #0E7C86;
            --cs-gold: #E6B85C;
            --cs-red: #D85A4A;
            --cs-paper: #FAF7F0;
            --cs-light-warm: #F5F3EE;
            --cs-ink: #1F2933;
            --cs-muted: #6B7280;
            --cs-border: #E8E2D6;
            --cs-card-bg: #FFFFFF;
            --cs-gold-soft: rgba(230, 184, 92, 0.16);
            --cs-cyan-soft: rgba(14, 124, 134, 0.12);
            --cs-red-soft: rgba(216, 90, 74, 0.12);
            --cs-radius-lg: 22px;
            --cs-radius-md: 16px;
            --cs-radius-sm: 10px;
            --cs-shadow-sm: 0 4px 12px rgba(14, 42, 71, 0.06);
            --cs-shadow-md: 0 8px 24px rgba(14, 42, 71, 0.08);
            --cs-shadow-lg: 0 16px 40px rgba(14, 42, 71, 0.14);
            --cs-gradient-brand: linear-gradient(135deg, #0E2A47 0%, #0E7C86 62%, rgba(230, 184, 92, 0.92) 130%);
            --cs-gradient-btn: linear-gradient(135deg, #0E2A47 0%, #0E7C86 100%);
            --cs-gradient-gold: linear-gradient(135deg, #E6B85C 0%, #D89A3C 100%);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--cs-paper);
            color: var(--cs-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--cs-ocean-cyan);
            transition: color 0.22s ease;
        }
        a:hover {
            color: var(--cs-gold);
        }
        a:focus,
        button:focus,
        input:focus,
        .btn:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-gap {
            padding: 72px 0;
        }
        .section-gap-sm {
            padding: 48px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--cs-muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .text-gold {
            color: var(--cs-gold);
        }
        .text-ink {
            color: var(--cs-ink);
        }
        .badge-cs {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .badge-cs-gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }
        .badge-cs-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }
        .badge-cs-red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }
        .badge-cs-solid-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }
        .badge-cs-solid-cyan {
            background: var(--cs-ocean-cyan);
            color: #FFFFFF;
        }
        .badge-cs-solid-red {
            background: var(--cs-red);
            color: #FFFFFF;
        }
        .btn-cs {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            border: none;
            transition: all 0.28s ease;
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
            justify-content: center;
        }
        .btn-cs-primary {
            background: var(--cs-gradient-btn);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(14, 124, 134, 0.28);
        }
        .btn-cs-primary:hover {
            color: #FFFFFF;
            box-shadow: 0 12px 28px rgba(14, 124, 134, 0.4);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #16406a 0%, #0e8a96 100%);
        }
        .btn-cs-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
            box-shadow: 0 8px 20px rgba(230, 184, 92, 0.32);
        }
        .btn-cs-gold:hover {
            color: #1F2933;
            box-shadow: 0 12px 28px rgba(230, 184, 92, 0.45);
            transform: translateY(-2px);
        }
        .btn-cs-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            box-shadow: none;
        }
        .btn-cs-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
        }
        .btn-cs-light-outline {
            background: transparent;
            color: var(--cs-deep-blue);
            border: 2px solid #C9D4DE;
            box-shadow: none;
        }
        .btn-cs-light-outline:hover {
            background: #FFFFFF;
            color: var(--cs-deep-blue);
            border-color: var(--cs-ocean-cyan);
            transform: translateY(-2px);
            box-shadow: var(--cs-shadow-md);
        }
        .btn-cs-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-cs-lg {
            padding: 16px 34px;
            font-size: 18px;
        }

        /* Header */
        .cs-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--cs-border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(14, 42, 71, 0.04);
        }
        .cs-header .navbar {
            padding: 14px 0;
        }
        .cs-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .cs-brand:hover {
            color: var(--cs-deep-blue);
        }
        .cs-brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--cs-gradient-brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--cs-gold);
            font-size: 18px;
            flex-shrink: 0;
        }
        .cs-nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--cs-ink);
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.22s ease;
            position: relative;
            white-space: nowrap;
        }
        .cs-nav-link:hover {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
        }
        .cs-nav-link.active {
            color: var(--cs-deep-blue);
            background: var(--cs-gold-soft);
        }
        .cs-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 2px;
            background: var(--cs-gold);
        }
        .cs-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 999px;
            transition: all 0.28s ease;
            box-shadow: 0 6px 16px rgba(230, 184, 92, 0.28);
            white-space: nowrap;
        }
        .cs-nav-cta:hover {
            color: #1F2933;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(230, 184, 92, 0.4);
        }
        .navbar-toggler {
            border: none;
            background: var(--cs-gold-soft);
            border-radius: 10px;
            padding: 8px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(230, 184, 92, 0.5);
            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='%230E2A47' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Breadcrumb */
        .cs-breadcrumb-bar {
            background: var(--cs-light-warm);
            border-bottom: 1px solid var(--cs-border);
            padding: 12px 0;
        }
        .cs-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--cs-muted);
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .cs-breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cs-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: #C9D4DE;
            margin-left: 4px;
        }
        .cs-breadcrumb a {
            color: var(--cs-ocean-cyan);
            font-weight: 500;
        }
        .cs-breadcrumb a:hover {
            color: var(--cs-gold);
        }
        .cs-breadcrumb .current {
            color: var(--cs-ink);
            font-weight: 700;
            cursor: default;
        }
        .cs-breadcrumb .back-link {
            color: var(--cs-muted);
            font-weight: 500;
            cursor: pointer;
        }
        .cs-breadcrumb .back-link:hover {
            color: var(--cs-ocean-cyan);
        }

        /* Hero - Creator profile style */
        .cs-hero {
            background: var(--cs-gradient-brand);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .cs-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 60%;
            height: 180%;
            background: radial-gradient(circle, rgba(230, 184, 92, 0.14) 0%, transparent 65%);
            pointer-events: none;
        }
        .cs-hero .container {
            position: relative;
            z-index: 2;
        }
        .cs-creator-card {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 28px;
        }
        .cs-creator-avatar {
            width: 100px;
            height: 100px;
            border-radius: 24px;
            background: linear-gradient(135deg, #123b60 0%, #0e7c86 100%);
            border: 3px solid var(--cs-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: var(--cs-gold);
            flex-shrink: 0;
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
        }
        .cs-creator-info h1 {
            font-size: 34px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .cs-creator-info .cs-creator-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 14px;
            max-width: 560px;
        }
        .cs-creator-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .cs-creator-actions {
            margin-left: auto;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .cs-stat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 999px;
            padding: 8px 16px;
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            backdrop-filter: blur(4px);
        }
        .cs-stat-chip strong {
            color: var(--cs-gold);
            font-size: 18px;
            margin-right: 2px;
        }

        /* Main layout */
        .cs-main-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }
        @media (max-width: 991.98px) {
            .cs-main-layout {
                grid-template-columns: 1fr;
            }
        }

        /* Guide list cards */
        .cs-guide-card {
            background: var(--cs-card-bg);
            border: 1px solid var(--cs-border);
            border-radius: var(--cs-radius-lg);
            overflow: hidden;
            box-shadow: var(--cs-shadow-sm);
            transition: all 0.3s ease;
            margin-bottom: 24px;
            display: flex;
            flex-direction: column;
        }
        .cs-guide-card:hover {
            box-shadow: var(--cs-shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(230, 184, 92, 0.6);
        }
        .cs-guide-card .cs-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--cs-light-warm);
        }
        .cs-guide-card .cs-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .cs-guide-card:hover .cs-card-img-wrap img {
            transform: scale(1.04);
        }
        .cs-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cs-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .cs-card-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .cs-card-summary {
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .cs-card-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            padding-top: 14px;
            border-top: 1px solid var(--cs-border);
        }

        /* Sidebar */
        .cs-sidebar {
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .cs-sidebar-card {
            background: var(--cs-card-bg);
            border: 1px solid var(--cs-border);
            border-radius: var(--cs-radius-lg);
            padding: 24px;
            box-shadow: var(--cs-shadow-sm);
        }
        .cs-sidebar-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .cs-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .cs-tag-link {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--cs-light-warm);
            color: var(--cs-ink);
            font-size: 13px;
            font-weight: 600;
            transition: all 0.22s ease;
            border: 1px solid transparent;
        }
        .cs-tag-link:hover {
            background: var(--cs-gold-soft);
            color: #A07820;
            border-color: rgba(230, 184, 92, 0.4);
        }
        .cs-mini-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cs-mini-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--cs-border);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .cs-mini-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .cs-mini-list .cs-mini-thumb {
            width: 64px;
            height: 48px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--cs-light-warm);
        }
        .cs-mini-list .cs-mini-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cs-mini-list .cs-mini-info {
            flex: 1;
            min-width: 0;
        }
        .cs-mini-list .cs-mini-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--cs-ink);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .cs-mini-list .cs-mini-meta {
            font-size: 12px;
            color: var(--cs-muted);
        }
        .cs-data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .cs-data-item {
            text-align: center;
            padding: 16px 10px;
            background: var(--cs-cyan-soft);
            border-radius: 14px;
        }
        .cs-data-item .cs-data-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--cs-ocean-cyan);
            line-height: 1.2;
        }
        .cs-data-item .cs-data-label {
            font-size: 13px;
            color: var(--cs-muted);
            margin-top: 4px;
        }

        /* Steps */
        .cs-steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 767.98px) {
            .cs-steps-grid {
                grid-template-columns: 1fr;
            }
        }
        .cs-step-card {
            background: var(--cs-card-bg);
            border: 1px solid var(--cs-border);
            border-radius: var(--cs-radius-lg);
            padding: 24px;
            box-shadow: var(--cs-shadow-sm);
            transition: all 0.28s ease;
            position: relative;
        }
        .cs-step-card:hover {
            box-shadow: var(--cs-shadow-md);
            border-color: rgba(14, 124, 134, 0.4);
            transform: translateY(-2px);
        }
        .cs-step-num {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--cs-gradient-brand);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .cs-step-card h4 {
            font-size: 18px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            margin-bottom: 8px;
        }
        .cs-step-card p {
            font-size: 15px;
            color: var(--cs-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* FAQ */
        .cs-faq .accordion-item {
            border: 1px solid var(--cs-border);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--cs-card-bg);
        }
        .cs-faq .accordion-button {
            font-weight: 700;
            font-size: 16px;
            color: var(--cs-deep-blue);
            background: var(--cs-card-bg);
            padding: 18px 20px;
            border-radius: 14px;
        }
        .cs-faq .accordion-button:not(.collapsed) {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
            box-shadow: none;
        }
        .cs-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(230, 184, 92, 0.4);
            outline: none;
        }
        .cs-faq .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E2A47'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .cs-faq .accordion-body {
            padding: 16px 20px 20px;
            color: var(--cs-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CTA */
        .cs-cta {
            background: var(--cs-gradient-brand);
            border-radius: var(--cs-radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cs-cta::after {
            content: '';
            position: absolute;
            top: -30%;
            left: 10%;
            width: 80%;
            height: 160%;
            background: radial-gradient(circle, rgba(230, 184, 92, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        .cs-cta h2 {
            font-size: 28px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cs-cta p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 2;
        }
        .cs-cta .cs-cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .cs-footer {
            background: #0C1F33;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
        }
        .cs-footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .cs-footer-brand:hover {
            color: #FFFFFF;
        }
        .cs-footer-brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--cs-gradient-brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--cs-gold);
            font-size: 18px;
        }
        .cs-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }
        .cs-footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .cs-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cs-footer-links li {
            margin-bottom: 8px;
        }
        .cs-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.22s ease;
        }
        .cs-footer-links a:hover {
            color: var(--cs-gold);
        }
        .cs-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .cs-footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .cs-footer-bottom a:hover {
            color: var(--cs-gold);
        }

        @media (max-width: 767.98px) {
            .cs-creator-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .cs-creator-actions {
                margin-left: 0;
                width: 100%;
            }
            .cs-creator-info h1 {
                font-size: 26px;
            }
            .cs-cta {
                padding: 32px 20px;
            }
            .cs-cta h2 {
                font-size: 22px;
            }
            .section-gap {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cs-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .cs-card-body {
                padding: 16px 18px 20px;
            }
            .cs-sidebar-card {
                padding: 18px;
            }
            .cs-stat-chip {
                font-size: 12px;
                padding: 6px 12px;
            }
            .cs-stat-chip strong {
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --cs-deep-blue: #0E2A47;
            --cs-ocean-cyan: #0E7C86;
            --cs-gold: #E6B85C;
            --cs-red: #D85A4A;
            --cs-paper: #FAF7F0;
            --cs-light-warm: #F5F3EE;
            --cs-ink: #1F2933;
            --cs-muted: #6B7280;
            --cs-border: #E8E2D6;
            --cs-card-bg: #FFFFFF;
            --cs-gold-soft: rgba(230, 184, 92, 0.16);
            --cs-cyan-soft: rgba(14, 124, 134, 0.12);
            --cs-red-soft: rgba(216, 90, 74, 0.12);
            --cs-radius-lg: 22px;
            --cs-radius-md: 16px;
            --cs-radius-sm: 10px;
            --cs-shadow-sm: 0 4px 12px rgba(14, 42, 71, 0.06);
            --cs-shadow-md: 0 8px 24px rgba(14, 42, 71, 0.08);
            --cs-shadow-lg: 0 16px 40px rgba(14, 42, 71, 0.14);
            --cs-gradient-brand: linear-gradient(135deg, #0E2A47 0%, #0E7C86 62%, rgba(230, 184, 92, 0.92) 130%);
            --cs-gradient-btn: linear-gradient(135deg, #0E2A47 0%, #0E7C86 100%);
            --cs-gradient-gold: linear-gradient(135deg, #E6B85C 0%, #D89A3C 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--cs-paper);
            color: var(--cs-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: var(--cs-ocean-cyan);
            transition: color 0.22s ease;
        }

        a:hover {
            color: var(--cs-gold);
        }

        a:focus,
        button:focus,
        input:focus,
        .btn:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-gap {
            padding: 72px 0;
        }

        .section-gap-sm {
            padding: 48px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--cs-muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .text-gold {
            color: var(--cs-gold);
        }

        .text-cyan {
            color: var(--cs-ocean-cyan);
        }

        .text-ink {
            color: var(--cs-ink);
        }

        .badge-cs {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .badge-cs-gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }

        .badge-cs-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }

        .badge-cs-red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }

        .badge-cs-solid-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }

        .badge-cs-solid-cyan {
            background: var(--cs-ocean-cyan);
            color: #FFFFFF;
        }

        .badge-cs-solid-red {
            background: var(--cs-red);
            color: #FFFFFF;
        }

        .btn-cs {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            border: none;
            transition: all 0.28s ease;
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
            justify-content: center;
        }

        .btn-cs-primary {
            background: var(--cs-gradient-btn);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(14, 124, 134, 0.28);
        }

        .btn-cs-primary:hover {
            color: #FFFFFF;
            box-shadow: 0 12px 28px rgba(14, 124, 134, 0.4);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #16406a 0%, #0e8a96 100%);
        }

        .btn-cs-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
            box-shadow: 0 8px 20px rgba(230, 184, 92, 0.32);
        }

        .btn-cs-gold:hover {
            color: #1F2933;
            box-shadow: 0 12px 28px rgba(230, 184, 92, 0.45);
            transform: translateY(-2px);
        }

        .btn-cs-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            box-shadow: none;
        }

        .btn-cs-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
        }

        .btn-cs-light-outline {
            background: transparent;
            color: var(--cs-deep-blue);
            border: 2px solid #C9D4DE;
            box-shadow: none;
        }

        .btn-cs-light-outline:hover {
            background: #FFFFFF;
            color: var(--cs-deep-blue);
            border-color: var(--cs-ocean-cyan);
            transform: translateY(-2px);
            box-shadow: var(--cs-shadow-md);
        }

        .btn-cs-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-cs-lg {
            padding: 16px 34px;
            font-size: 18px;
        }

        /* Header */
        .cs-header {
            background: #FFFFFF;
            box-shadow: 0 2px 16px rgba(14, 42, 71, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--cs-gold-soft);
        }

        .cs-header .navbar {
            padding: 14px 0;
        }

        .cs-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            letter-spacing: 0.5px;
        }

        .cs-brand:hover {
            color: var(--cs-ocean-cyan);
        }

        .cs-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--cs-gradient-brand);
            color: var(--cs-gold);
            font-size: 18px;
        }

        .cs-nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--cs-ink);
            padding: 8px 14px !important;
            border-radius: 8px;
            transition: all 0.22s ease;
            position: relative;
        }

        .cs-nav-link:hover {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
        }

        .cs-nav-link.active {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
        }

        .cs-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 3px;
            border-radius: 999px;
            background: var(--cs-gradient-gold);
        }

        .cs-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-weight: 700;
            font-size: 15px;
            transition: all 0.28s ease;
            box-shadow: 0 6px 16px rgba(230, 184, 92, 0.28);
        }

        .cs-nav-cta:hover {
            color: #1F2933;
            box-shadow: 0 10px 24px rgba(230, 184, 92, 0.42);
            transform: translateY(-2px);
        }

        .navbar-toggler {
            border: none;
            color: var(--cs-deep-blue);
            font-size: 24px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* Breadcrumb */
        .cs-breadcrumb-wrapper {
            background: var(--cs-light-warm);
            border-bottom: 1px solid var(--cs-border);
            padding: 12px 0;
        }

        .cs-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--cs-muted);
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .cs-breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cs-breadcrumb li a {
            color: var(--cs-ocean-cyan);
            font-weight: 500;
        }

        .cs-breadcrumb li a:hover {
            color: var(--cs-gold);
        }

        .cs-breadcrumb li.current {
            font-weight: 700;
            color: var(--cs-ink);
        }

        .cs-breadcrumb-separator {
            color: #B8B2A6;
            font-size: 12px;
        }

        /* Hero */
        .cs-hero {
            background: var(--cs-gradient-brand);
            padding: 64px 0 72px;
            position: relative;
            overflow: hidden;
            color: #FFFFFF;
            border-radius: 0 0 32px 32px;
        }

        .cs-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(230, 184, 92, 0.08);
            pointer-events: none;
        }

        .cs-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 450px;
            height: 450px;
            border-radius: 50%;
            background: rgba(14, 124, 134, 0.2);
            pointer-events: none;
        }

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

        .cs-hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 1px;
            color: #FFFFFF;
        }

        .cs-hero-title .highlight {
            color: var(--cs-gold);
            display: inline-block;
            position: relative;
        }

        .cs-hero-desc {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin-bottom: 30px;
        }

        .cs-hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .cs-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cs-hero-image-wrap {
            position: relative;
            border-radius: var(--cs-radius-lg);
            overflow: hidden;
            box-shadow: var(--cs-shadow-lg);
            min-height: 240px;
        }

        .cs-hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--cs-radius-lg);
        }

        /* Stats Overview */
        .cs-stats-overview {
            margin-top: -32px;
            position: relative;
            z-index: 10;
        }

        .cs-stats-card {
            background: #FFFFFF;
            border-radius: var(--cs-radius-lg);
            box-shadow: var(--cs-shadow-md);
            padding: 28px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            height: 100%;
            border: 1px solid var(--cs-border);
            transition: all 0.28s ease;
        }

        .cs-stats-card:hover {
            box-shadow: var(--cs-shadow-lg);
            transform: translateY(-3px);
            border-color: var(--cs-gold);
        }

        .cs-stats-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .cs-stats-icon.gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }

        .cs-stats-icon.cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }

        .cs-stats-icon.red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }

        .cs-stats-value {
            font-size: 26px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            line-height: 1.2;
        }

        .cs-stats-label {
            font-size: 13px;
            color: var(--cs-muted);
            font-weight: 500;
        }

        /* Timeline */
        .cs-timeline {
            position: relative;
            padding-left: 36px;
        }

        .cs-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            border-radius: 999px;
            background: linear-gradient(180deg, var(--cs-gold) 0%, var(--cs-ocean-cyan) 50%, var(--cs-deep-blue) 100%);
        }

        .cs-timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 24px;
        }

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

        .cs-timeline-dot {
            position: absolute;
            left: -28px;
            top: 6px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #FFFFFF;
            border: 4px solid var(--cs-gold);
            box-shadow: 0 0 0 4px rgba(230, 184, 92, 0.2);
            z-index: 1;
        }

        .cs-timeline-dot.red {
            border-color: var(--cs-red);
            box-shadow: 0 0 0 4px rgba(216, 90, 74, 0.2);
        }

        .cs-timeline-dot.cyan {
            border-color: var(--cs-ocean-cyan);
            box-shadow: 0 0 0 4px rgba(14, 124, 134, 0.2);
        }

        .cs-timeline-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--cs-ocean-cyan);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cs-timeline-card {
            background: #FFFFFF;
            border-radius: var(--cs-radius-lg);
            box-shadow: var(--cs-shadow-sm);
            border: 1px solid var(--cs-border);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .cs-timeline-card:hover {
            box-shadow: var(--cs-shadow-md);
            border-color: var(--cs-gold);
            transform: translateY(-3px);
        }

        .cs-timeline-card .row {
            margin: 0;
        }

        .cs-timeline-card .col-lg-5,
        .cs-timeline-card .col-lg-7 {
            padding: 0;
        }

        .cs-timeline-image {
            height: 100%;
            min-height: 200px;
            position: relative;
            overflow: hidden;
        }

        .cs-timeline-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 200px;
        }

        .cs-timeline-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
        }

        .cs-timeline-title {
            font-size: 19px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .cs-timeline-summary {
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .cs-timeline-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* Tips Section */
        .cs-tips-panel {
            background: #FFFFFF;
            border-radius: var(--cs-radius-lg);
            box-shadow: var(--cs-shadow-md);
            padding: 36px;
            border-left: 5px solid var(--cs-gold);
        }

        .cs-tips-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cs-tips-list li {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--cs-border);
            font-size: 15px;
            line-height: 1.8;
            color: var(--cs-ink);
        }

        .cs-tips-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .cs-tips-list li:first-child {
            padding-top: 0;
        }

        .cs-tips-list .tip-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* FAQ */
        .cs-accordion-custom .accordion-item {
            border: 1px solid var(--cs-border);
            border-radius: var(--cs-radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: #FFFFFF;
            box-shadow: var(--cs-shadow-sm);
        }

        .cs-accordion-custom .accordion-button {
            background: #FFFFFF;
            color: var(--cs-deep-blue);
            font-weight: 700;
            font-size: 16px;
            padding: 20px 24px;
            border-radius: var(--cs-radius-md) !important;
            box-shadow: none;
            transition: all 0.25s ease;
        }

        .cs-accordion-custom .accordion-button:not(.collapsed) {
            background: var(--cs-light-warm);
            color: var(--cs-deep-blue);
            border-bottom: 2px solid var(--cs-gold);
        }

        .cs-accordion-custom .accordion-button:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: -2px;
            box-shadow: none;
        }

        .cs-accordion-custom .accordion-body {
            padding: 20px 24px;
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.8;
        }

        .cs-accordion-custom .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            font-size: 14px;
            color: var(--cs-ocean-cyan);
            transition: transform 0.3s ease;
        }

        .cs-accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        /* CTA */
        .cs-cta-section {
            background: var(--cs-gradient-brand);
            border-radius: 32px;
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
            color: #FFFFFF;
        }

        .cs-cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(230, 184, 92, 0.1);
            pointer-events: none;
        }

        .cs-cta-title {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
            color: #FFFFFF;
        }

        .cs-cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        /* Footer */
        .cs-footer {
            background: var(--cs-deep-blue);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 24px;
            margin-top: 32px;
        }

        .cs-footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .cs-footer-brand:hover {
            color: var(--cs-gold);
        }

        .cs-footer-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--cs-gradient-gold);
            color: var(--cs-deep-blue);
            font-size: 16px;
        }

        .cs-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }

        .cs-footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 18px;
        }

        .cs-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cs-footer-links li {
            margin-bottom: 10px;
        }

        .cs-footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.22s ease;
        }

        .cs-footer-links a:hover {
            color: var(--cs-gold);
        }

        .cs-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cs-hero-title {
                font-size: 34px;
            }
            .cs-timeline-card .col-lg-5,
            .cs-timeline-card .col-lg-7 {
                width: 100%;
            }
            .cs-timeline-image {
                min-height: 180px;
            }
            .cs-timeline-body {
                padding: 20px;
            }
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: 48px 0;
            }
            .cs-hero {
                padding: 44px 0 56px;
                border-radius: 0 0 24px 24px;
            }
            .cs-hero-title {
                font-size: 28px;
            }
            .cs-hero-desc {
                font-size: 16px;
            }
            .cs-stats-card {
                padding: 20px 16px;
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cs-stats-value {
                font-size: 22px;
            }
            .cs-timeline {
                padding-left: 24px;
            }
            .cs-timeline::before {
                left: 6px;
            }
            .cs-timeline-item {
                padding-left: 16px;
            }
            .cs-timeline-dot {
                left: -20px;
                width: 16px;
                height: 16px;
                border-width: 3px;
            }
            .cs-tips-panel {
                padding: 24px 20px;
            }
            .cs-cta-section {
                padding: 36px 24px;
                border-radius: 24px;
            }
            .cs-cta-title {
                font-size: 24px;
            }
            .cs-nav-cta.d-none.d-lg-inline-flex {
                display: none !important;
            }
            .cs-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .cs-hero-title {
                font-size: 24px;
            }
            .cs-hero-desc {
                font-size: 15px;
            }
            .cs-hero-actions {
                flex-direction: column;
            }
            .cs-hero-actions .btn-cs {
                width: 100%;
            }
            .cs-timeline-body {
                padding: 16px;
            }
            .cs-timeline-title {
                font-size: 17px;
            }
            .cs-timeline-summary {
                font-size: 14px;
            }
            .cs-tips-list li {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category4 */
:root {
            --cs-deep-blue: #0E2A47;
            --cs-ocean-cyan: #0E7C86;
            --cs-gold: #E6B85C;
            --cs-red: #D85A4A;
            --cs-paper: #FAF7F0;
            --cs-light-warm: #F5F3EE;
            --cs-ink: #1F2933;
            --cs-muted: #6B7280;
            --cs-border: #E8E2D6;
            --cs-card-bg: #FFFFFF;
            --cs-gold-soft: rgba(230, 184, 92, 0.16);
            --cs-cyan-soft: rgba(14, 124, 134, 0.12);
            --cs-red-soft: rgba(216, 90, 74, 0.12);
            --cs-radius-lg: 22px;
            --cs-radius-md: 16px;
            --cs-radius-sm: 10px;
            --cs-shadow-sm: 0 4px 12px rgba(14, 42, 71, 0.06);
            --cs-shadow-md: 0 8px 24px rgba(14, 42, 71, 0.08);
            --cs-shadow-lg: 0 16px 40px rgba(14, 42, 71, 0.14);
            --cs-gradient-brand: linear-gradient(135deg, #0E2A47 0%, #0E7C86 62%, rgba(230, 184, 92, 0.92) 130%);
            --cs-gradient-btn: linear-gradient(135deg, #0E2A47 0%, #0E7C86 100%);
            --cs-gradient-gold: linear-gradient(135deg, #E6B85C 0%, #D89A3C 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--cs-paper);
            color: var(--cs-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: var(--cs-ocean-cyan);
            transition: color 0.22s ease;
        }

        a:hover {
            color: var(--cs-gold);
        }

        a:focus,
        button:focus,
        input:focus,
        .btn:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-gap {
            padding: 72px 0;
        }

        .section-gap-sm {
            padding: 48px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--cs-muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .text-gold {
            color: var(--cs-gold);
        }
        .text-ink {
            color: var(--cs-ink);
        }

        .badge-cs {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .badge-cs-gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }
        .badge-cs-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }
        .badge-cs-red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }
        .badge-cs-solid-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }
        .badge-cs-solid-cyan {
            background: var(--cs-ocean-cyan);
            color: #FFFFFF;
        }
        .badge-cs-solid-red {
            background: var(--cs-red);
            color: #FFFFFF;
        }

        .btn-cs {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            border: none;
            transition: all 0.28s ease;
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
            justify-content: center;
        }

        .btn-cs-primary {
            background: var(--cs-gradient-btn);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(14, 124, 134, 0.28);
        }
        .btn-cs-primary:hover {
            color: #FFFFFF;
            box-shadow: 0 12px 28px rgba(14, 124, 134, 0.4);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #16406a 0%, #0e8a96 100%);
        }
        .btn-cs-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
            box-shadow: 0 8px 20px rgba(230, 184, 92, 0.32);
        }
        .btn-cs-gold:hover {
            color: #1F2933;
            box-shadow: 0 12px 28px rgba(230, 184, 92, 0.45);
            transform: translateY(-2px);
        }
        .btn-cs-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            box-shadow: none;
        }
        .btn-cs-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
        }
        .btn-cs-light-outline {
            background: transparent;
            color: var(--cs-deep-blue);
            border: 2px solid #C9D4DE;
            box-shadow: none;
        }
        .btn-cs-light-outline:hover {
            background: #FFFFFF;
            color: var(--cs-deep-blue);
            border-color: var(--cs-ocean-cyan);
            transform: translateY(-2px);
            box-shadow: var(--cs-shadow-md);
        }
        .btn-cs-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-cs-lg {
            padding: 16px 34px;
            font-size: 18px;
        }

        /* Header / Navigation */
        .cs-header {
            background: rgba(14, 42, 71, 0.96);
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: 0 4px 16px rgba(14, 42, 71, 0.18);
            backdrop-filter: blur(10px);
        }

        .cs-header .navbar {
            padding: 14px 0;
        }

        .cs-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.5px;
            transition: color 0.22s ease;
        }

        .cs-brand:hover {
            color: var(--cs-gold);
        }

        .cs-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--cs-gradient-gold);
            border-radius: 12px;
            color: #1F2933;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(230, 184, 92, 0.3);
        }

        .navbar-toggler {
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 10px;
            padding: 8px 10px;
            background: rgba(255, 255, 255, 0.08);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(230, 184, 92, 0.4);
            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(230,184,92,0.9)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .cs-nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 14px !important;
            border-radius: 999px;
            transition: all 0.22s ease;
            position: relative;
        }

        .cs-nav-link:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .cs-nav-link.active {
            color: #1F2933;
            background: var(--cs-gradient-gold);
            box-shadow: 0 4px 14px rgba(230, 184, 92, 0.32);
        }

        .cs-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 999px;
            transition: all 0.28s ease;
            box-shadow: 0 4px 14px rgba(230, 184, 92, 0.32);
        }

        .cs-nav-cta:hover {
            color: #1F2933;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(230, 184, 92, 0.45);
        }

        /* Breadcrumb */
        .cs-breadcrumb-bar {
            background: var(--cs-light-warm);
            border-bottom: 1px solid var(--cs-border);
            padding: 12px 0;
        }

        .cs-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--cs-muted);
            flex-wrap: wrap;
            margin: 0;
            list-style: none;
            padding: 0;
        }

        .cs-breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cs-breadcrumb a {
            color: var(--cs-ocean-cyan);
            font-weight: 500;
            transition: color 0.22s ease;
        }

        .cs-breadcrumb a:hover {
            color: var(--cs-gold);
        }

        .cs-breadcrumb .cs-breadcrumb-current {
            color: var(--cs-ink);
            font-weight: 700;
            pointer-events: none;
        }

        .cs-breadcrumb .cs-breadcrumb-back {
            margin-left: auto;
            color: var(--cs-red);
            font-weight: 600;
        }

        .cs-breadcrumb .cs-breadcrumb-back:hover {
            color: #b84232;
        }

        /* Hero - Invite Rewards */
        .cs-hero-invite {
            background: var(--cs-gradient-brand);
            padding: 72px 0 88px;
            position: relative;
            overflow: hidden;
            color: #FFFFFF;
        }

        .cs-hero-invite::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 184, 92, 0.18) 0%, transparent 68%);
            pointer-events: none;
        }

        .cs-hero-invite::after {
            content: "";
            position: absolute;
            bottom: -140px;
            left: -100px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 124, 134, 0.4) 0%, transparent 65%);
            pointer-events: none;
        }

        .cs-hero-invite .container {
            position: relative;
            z-index: 2;
        }

        .cs-invite-title {
            font-size: clamp(28px, 4.2vw, 46px);
            font-weight: 800;
            line-height: 1.35;
            color: #FFFFFF;
            margin-bottom: 18px;
            letter-spacing: 0.6px;
        }

        .cs-invite-title .cs-invite-gold {
            color: var(--cs-gold);
        }

        .cs-invite-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .cs-invite-progress-wrap {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--cs-radius-md);
            padding: 20px 24px;
            max-width: 520px;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }

        .cs-invite-progress-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .cs-invite-progress-bar {
            height: 10px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            overflow: hidden;
        }

        .cs-invite-progress-fill {
            height: 100%;
            width: 60%;
            background: var(--cs-gradient-gold);
            border-radius: 999px;
            position: relative;
            transition: width 0.6s ease;
        }

        .cs-invite-progress-fill::after {
            content: "";
            position: absolute;
            right: 0;
            top: -3px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #FFFFFF;
            border: 3px solid var(--cs-gold);
            box-shadow: 0 0 10px rgba(230, 184, 92, 0.5);
        }

        .cs-invite-reward-card {
            background: rgba(14, 42, 71, 0.72);
            border: 1px solid rgba(230, 184, 92, 0.35);
            border-radius: var(--cs-radius-lg);
            padding: 28px 26px;
            backdrop-filter: blur(12px);
            box-shadow: var(--cs-shadow-lg);
            height: 100%;
        }

        .cs-invite-reward-card h3 {
            color: var(--cs-gold);
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 0.4px;
        }

        .cs-reward-tier {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            border-radius: var(--cs-radius-sm);
            background: rgba(255, 255, 255, 0.06);
            margin-bottom: 10px;
            transition: background 0.22s ease;
        }

        .cs-reward-tier:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .cs-reward-tier-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: var(--cs-gold-soft);
            color: var(--cs-gold);
        }

        .cs-reward-tier-text {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            line-height: 1.5;
        }

        .cs-reward-tier-num {
            margin-left: auto;
            font-size: 13px;
            font-weight: 700;
            color: var(--cs-gold);
            white-space: nowrap;
        }

        /* Interleave sections */
        .cs-interleave-row {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 64px;
            flex-wrap: wrap;
        }

        .cs-interleave-row:last-child {
            margin-bottom: 0;
        }

        .cs-interleave-reverse {
            flex-direction: row-reverse;
        }

        .cs-interleave-media {
            flex: 1 1 420px;
            min-width: 280px;
            border-radius: var(--cs-radius-lg);
            overflow: hidden;
            box-shadow: var(--cs-shadow-md);
            position: relative;
        }

        .cs-interleave-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--cs-radius-lg);
            transition: transform 0.5s ease;
        }

        .cs-interleave-media:hover img {
            transform: scale(1.04);
        }

        .cs-interleave-body {
            flex: 1 1 420px;
            min-width: 280px;
        }

        .cs-interleave-body h3 {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.45;
            margin-bottom: 14px;
            color: var(--cs-deep-blue);
            letter-spacing: 0.4px;
        }

        .cs-interleave-body p {
            font-size: 16px;
            color: var(--cs-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .cs-interleave-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .cs-stat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--cs-card-bg);
            border: 1px solid var(--cs-border);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 700;
            color: var(--cs-ocean-cyan);
            box-shadow: var(--cs-shadow-sm);
        }

        .cs-stat-chip i {
            color: var(--cs-gold);
            font-size: 12px;
        }

        /* FAQ */
        .cs-faq-card {
            background: var(--cs-card-bg);
            border: 1px solid var(--cs-border);
            border-radius: var(--cs-radius-md);
            overflow: hidden;
            box-shadow: var(--cs-shadow-sm);
            margin-bottom: 14px;
            transition: box-shadow 0.28s ease, border-color 0.28s ease;
        }

        .cs-faq-card:hover {
            box-shadow: var(--cs-shadow-md);
            border-color: rgba(230, 184, 92, 0.5);
        }

        .cs-faq-header {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            transition: background 0.22s ease;
        }

        .cs-faq-header:hover {
            background: var(--cs-light-warm);
        }

        .cs-faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .cs-faq-question {
            font-weight: 700;
            font-size: 16px;
            color: var(--cs-ink);
            flex: 1;
            line-height: 1.5;
        }

        .cs-faq-arrow {
            flex-shrink: 0;
            color: var(--cs-muted);
            font-size: 14px;
            transition: transform 0.3s ease;
        }

        .cs-faq-card.open .cs-faq-arrow {
            transform: rotate(180deg);
        }

        .cs-faq-card.open .cs-faq-icon {
            background: var(--cs-gold-soft);
            color: #A07820;
        }

        .cs-faq-answer {
            display: none;
            padding: 0 20px 20px 64px;
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.8;
        }

        .cs-faq-card.open .cs-faq-answer {
            display: block;
        }

        /* CTA */
        .cs-cta-panel {
            background: var(--cs-gradient-brand);
            border-radius: var(--cs-radius-lg);
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--cs-shadow-lg);
            text-align: center;
            color: #FFFFFF;
        }

        .cs-cta-panel::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -60px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 184, 92, 0.2) 0%, transparent 65%);
            pointer-events: none;
        }

        .cs-cta-panel h2 {
            font-size: 30px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cs-cta-panel p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .cs-cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .cs-footer {
            background: var(--cs-deep-blue);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 28px;
            font-size: 14px;
            line-height: 1.8;
        }

        .cs-footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            transition: color 0.22s ease;
        }

        .cs-footer-brand:hover {
            color: var(--cs-gold);
        }

        .cs-footer-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--cs-gradient-gold);
            border-radius: 10px;
            color: #1F2933;
            font-size: 16px;
        }

        .cs-footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }

        .cs-footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .cs-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cs-footer-links li {
            margin-bottom: 8px;
        }

        .cs-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.22s ease;
        }

        .cs-footer-links a:hover {
            color: var(--cs-gold);
        }

        .cs-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .cs-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.22s ease;
        }

        .cs-footer-bottom a:hover {
            color: var(--cs-gold);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cs-hero-invite {
                padding: 54px 0 68px;
            }
            .cs-interleave-media img {
                height: 260px;
            }
            .section-gap {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .cs-brand {
                font-size: 19px;
            }
            .cs-brand-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 10px;
            }
            .cs-hero-invite {
                padding: 42px 0 56px;
            }
            .cs-invite-title {
                font-size: 26px;
            }
            .cs-invite-subtitle {
                font-size: 15px;
            }
            .cs-invite-reward-card {
                padding: 20px 18px;
                margin-top: 24px;
            }
            .cs-interleave-row {
                gap: 24px;
                margin-bottom: 44px;
                flex-direction: column;
            }
            .cs-interleave-reverse {
                flex-direction: column;
            }
            .cs-interleave-media {
                width: 100%;
            }
            .cs-interleave-media img {
                height: 220px;
            }
            .cs-interleave-body h3 {
                font-size: 20px;
            }
            .section-gap {
                padding: 44px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .cs-cta-panel {
                padding: 36px 22px;
            }
            .cs-cta-panel h2 {
                font-size: 24px;
            }
            .cs-breadcrumb .cs-breadcrumb-back {
                margin-left: 0;
                width: 100%;
                margin-top: 6px;
            }
            .cs-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .cs-invite-title {
                font-size: 22px;
            }
            .cs-invite-progress-wrap {
                padding: 14px 16px;
            }
            .cs-reward-tier {
                padding: 9px 10px;
            }
            .cs-reward-tier-text {
                font-size: 12px;
            }
            .cs-reward-tier-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .cs-interleave-media img {
                height: 180px;
            }
            .cs-interleave-body h3 {
                font-size: 18px;
            }
            .cs-cta-actions {
                flex-direction: column;
            }
            .cs-cta-actions .btn-cs {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --cs-deep-blue: #0E2A47;
            --cs-ocean-cyan: #0E7C86;
            --cs-gold: #E6B85C;
            --cs-red: #D85A4A;
            --cs-paper: #FAF7F0;
            --cs-light-warm: #F5F3EE;
            --cs-ink: #1F2933;
            --cs-muted: #6B7280;
            --cs-border: #E8E2D6;
            --cs-card-bg: #FFFFFF;
            --cs-gold-soft: rgba(230, 184, 92, 0.16);
            --cs-cyan-soft: rgba(14, 124, 134, 0.12);
            --cs-red-soft: rgba(216, 90, 74, 0.12);
            --cs-radius-lg: 22px;
            --cs-radius-md: 16px;
            --cs-radius-sm: 10px;
            --cs-shadow-sm: 0 4px 12px rgba(14, 42, 71, 0.06);
            --cs-shadow-md: 0 8px 24px rgba(14, 42, 71, 0.08);
            --cs-shadow-lg: 0 16px 40px rgba(14, 42, 71, 0.14);
            --cs-gradient-brand: linear-gradient(135deg, #0E2A47 0%, #0E7C86 62%, rgba(230, 184, 92, 0.92) 130%);
            --cs-gradient-btn: linear-gradient(135deg, #0E2A47 0%, #0E7C86 100%);
            --cs-gradient-gold: linear-gradient(135deg, #E6B85C 0%, #D89A3C 100%);
            --cs-gradient-hero: linear-gradient(135deg, #0E2A47 0%, #0E7C86 55%, rgba(230, 184, 92, 0.85) 125%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--cs-paper);
            color: var(--cs-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: var(--cs-ocean-cyan);
            transition: color 0.22s ease;
        }

        a:hover {
            color: var(--cs-gold);
        }

        a:focus,
        button:focus,
        input:focus,
        .btn:focus,
        .form-control:focus,
        .form-select:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
            box-shadow: none;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-gap {
            padding: 56px 0;
        }

        .section-gap-sm {
            padding: 40px 0;
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
            color: var(--cs-deep-blue);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--cs-muted);
            max-width: 760px;
            margin-bottom: 32px;
            line-height: 1.85;
        }

        .text-gold {
            color: var(--cs-gold);
        }

        .text-ink {
            color: var(--cs-ink);
        }

        .badge-cs {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .badge-cs-gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }

        .badge-cs-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }

        .badge-cs-red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }

        .badge-cs-solid-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }

        .badge-cs-solid-cyan {
            background: var(--cs-ocean-cyan);
            color: #FFFFFF;
        }

        .badge-cs-solid-red {
            background: var(--cs-red);
            color: #FFFFFF;
        }

        .btn-cs {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            border: none;
            transition: all 0.28s ease;
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
            justify-content: center;
        }

        .btn-cs-primary {
            background: var(--cs-gradient-btn);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(14, 124, 134, 0.28);
        }

        .btn-cs-primary:hover {
            color: #FFFFFF;
            box-shadow: 0 12px 28px rgba(14, 124, 134, 0.4);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #16406a 0%, #0e8a96 100%);
        }

        .btn-cs-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
            box-shadow: 0 8px 20px rgba(230, 184, 92, 0.32);
        }

        .btn-cs-gold:hover {
            color: #1F2933;
            box-shadow: 0 12px 28px rgba(230, 184, 92, 0.45);
            transform: translateY(-2px);
        }

        .btn-cs-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            box-shadow: none;
        }

        .btn-cs-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
        }

        .btn-cs-light-outline {
            background: transparent;
            color: var(--cs-deep-blue);
            border: 2px solid #C9D4DE;
            box-shadow: none;
        }

        .btn-cs-light-outline:hover {
            background: #FFFFFF;
            color: var(--cs-deep-blue);
            border-color: var(--cs-ocean-cyan);
            transform: translateY(-2px);
            box-shadow: var(--cs-shadow-md);
        }

        .btn-cs-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn-cs-lg {
            padding: 16px 34px;
            font-size: 18px;
        }

        /* 导航 */
        .cs-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--cs-border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 10px rgba(14, 42, 71, 0.04);
        }

        .cs-header .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .cs-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            letter-spacing: 0.5px;
            transition: color 0.22s ease;
            text-decoration: none;
        }

        .cs-brand:hover {
            color: var(--cs-ocean-cyan);
        }

        .cs-brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--cs-gradient-brand);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(14, 124, 134, 0.3);
        }

        .cs-nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--cs-ink);
            padding: 8px 14px;
            border-radius: 10px;
            transition: all 0.22s ease;
            letter-spacing: 0.2px;
            position: relative;
        }

        .cs-nav-link:hover {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
        }

        .cs-nav-link.active {
            color: var(--cs-ocean-cyan);
            background: var(--cs-cyan-soft);
        }

        .cs-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 3px;
            background: var(--cs-gradient-gold);
        }

        .cs-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: all 0.28s ease;
            box-shadow: 0 6px 16px rgba(230, 184, 92, 0.3);
            text-decoration: none;
        }

        .cs-nav-cta:hover {
            color: #1F2933;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(230, 184, 92, 0.42);
        }

        .navbar-toggler {
            border: 1.5px solid var(--cs-border);
            border-radius: 10px;
            padding: 8px 10px;
            background: #FFFFFF;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
            box-shadow: 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='%230E2A47' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            border-radius: 4px;
        }

        /* 面包屑 */
        .cs-breadcrumb-wrapper {
            background: var(--cs-light-warm);
            border-bottom: 1px solid var(--cs-border);
            padding: 10px 0;
        }

        .cs-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--cs-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .cs-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cs-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: #B8A98A;
            margin-left: 2px;
        }

        .cs-breadcrumb a {
            color: var(--cs-ocean-cyan);
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .cs-breadcrumb a:hover {
            color: var(--cs-gold);
        }

        .cs-breadcrumb li:last-child {
            font-weight: 700;
            color: var(--cs-deep-blue);
        }

        /* Hero */
        .cs-hero {
            background: var(--cs-gradient-hero);
            padding: 64px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .cs-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(230, 184, 92, 0.12);
            pointer-events: none;
        }

        .cs-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(14, 124, 134, 0.18);
            pointer-events: none;
        }

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

        .cs-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .cs-hero .cs-hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 650px;
            line-height: 1.85;
            margin-bottom: 26px;
        }

        .cs-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }

        .cs-hero-stat {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--cs-radius-md);
            padding: 12px 20px;
            color: #FFFFFF;
            min-width: 120px;
        }

        .cs-hero-stat .cs-stat-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--cs-gold);
            display: block;
            line-height: 1.3;
        }

        .cs-hero-stat .cs-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* 筛选标签条 */
        .cs-filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: 28px;
        }

        .cs-filter-bar .cs-filter-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--cs-deep-blue);
            margin-right: 6px;
            flex-shrink: 0;
        }

        .cs-filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1.5px solid var(--cs-border);
            background: #FFFFFF;
            color: var(--cs-muted);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.22s ease;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .cs-filter-chip:hover {
            border-color: var(--cs-gold);
            color: var(--cs-deep-blue);
            background: var(--cs-gold-soft);
        }

        .cs-filter-chip.active {
            background: var(--cs-gradient-brand);
            color: #FFFFFF;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(14, 124, 134, 0.25);
        }

        /* 图鉴卡片网格 */
        .cs-gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .cs-gallery-card {
            background: var(--cs-card-bg);
            border-radius: var(--cs-radius-lg);
            overflow: hidden;
            box-shadow: var(--cs-shadow-sm);
            border: 1px solid var(--cs-border);
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .cs-gallery-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--cs-shadow-lg);
            border-color: rgba(230, 184, 92, 0.5);
        }

        .cs-gallery-card:focus-visible {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
        }

        .cs-gallery-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--cs-light-warm);
        }

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

        .cs-gallery-card:hover .cs-gallery-card-img img {
            transform: scale(1.06);
        }

        .cs-gallery-card-img .cs-gallery-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

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

        .cs-gallery-card-body h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .cs-gallery-card-body .cs-gallery-desc {
            font-size: 14px;
            color: var(--cs-muted);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }

        .cs-gallery-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid var(--cs-border);
        }

        .cs-gallery-meta .cs-gallery-value {
            font-size: 13px;
            font-weight: 700;
            color: var(--cs-deep-blue);
            background: var(--cs-light-warm);
            border-radius: 8px;
            padding: 4px 10px;
        }

        .cs-gallery-meta .cs-gallery-difficulty {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            color: #A07820;
            font-weight: 600;
        }

        .cs-gallery-meta .cs-gallery-difficulty .fa-star {
            font-size: 10px;
        }

        /* 图鉴详情面板 */
        .cs-detail-panel {
            background: #FFFFFF;
            border-radius: var(--cs-radius-lg);
            box-shadow: var(--cs-shadow-md);
            border: 1px solid var(--cs-border);
            padding: 28px;
            margin-top: 32px;
        }

        .cs-detail-panel h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            margin-bottom: 12px;
        }

        .cs-detail-panel p {
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.85;
            margin-bottom: 0;
        }

        .cs-tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }

        .cs-tag-item {
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 8px;
            background: var(--cs-light-warm);
            color: var(--cs-deep-blue);
            letter-spacing: 0.2px;
        }

        .cs-tag-item.cs-tag-gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }

        .cs-tag-item.cs-tag-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }

        /* 图鉴分类小标题 */
        .cs-category-divider {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 32px 0 20px;
        }

        .cs-category-divider h2 {
            font-size: 20px;
            font-weight: 800;
            color: var(--cs-deep-blue);
            margin: 0;
            white-space: nowrap;
        }

        .cs-category-divider .cs-divider-line {
            flex: 1;
            height: 2px;
            background: linear-gradient(90deg, var(--cs-border), transparent);
            border-radius: 2px;
        }

        /* CTA */
        .cs-cta-section {
            background: var(--cs-gradient-brand);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cs-cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(230, 184, 92, 0.1);
            pointer-events: none;
        }

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

        .cs-cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cs-cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin-bottom: 26px;
            line-height: 1.8;
        }

        .cs-cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 页脚 */
        .cs-footer {
            background: #0A1F35;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 14px;
        }

        .cs-footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.5px;
            text-decoration: none;
            margin-bottom: 12px;
        }

        .cs-footer-brand:hover {
            color: var(--cs-gold);
        }

        .cs-footer-brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--cs-gradient-brand);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .cs-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 0;
        }

        .cs-footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .cs-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cs-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.22s ease;
            text-decoration: none;
        }

        .cs-footer-links a:hover {
            color: var(--cs-gold);
        }

        .cs-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 32px;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .cs-footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .cs-footer-bottom a:hover {
            color: var(--cs-gold);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .cs-gallery-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .cs-hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .cs-hero {
                padding: 44px 0 48px;
            }

            .cs-hero h1 {
                font-size: 26px;
            }

            .cs-hero .cs-hero-sub {
                font-size: 15px;
            }

            .cs-hero-stats {
                gap: 10px;
            }

            .cs-hero-stat {
                padding: 10px 14px;
                min-width: 100px;
            }

            .cs-hero-stat .cs-stat-num {
                font-size: 18px;
            }

            .cs-gallery-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cs-filter-bar {
                gap: 8px;
            }

            .cs-filter-chip {
                padding: 6px 14px;
                font-size: 13px;
            }

            .cs-detail-panel {
                padding: 20px;
            }

            .cs-cta-section {
                padding: 40px 0;
            }

            .cs-cta-section h2 {
                font-size: 22px;
            }

            .cs-footer {
                padding: 36px 0 18px;
            }

            .cs-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .cs-hero h1 {
                font-size: 22px;
            }

            .cs-hero {
                padding: 34px 0 38px;
            }

            .cs-brand {
                font-size: 18px;
            }

            .cs-brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 10px;
            }

            .section-title {
                font-size: 22px;
            }

            .cs-gallery-card-body h3 {
                font-size: 16px;
            }

            .cs-cta-section h2 {
                font-size: 20px;
            }

            .cs-cta-section p {
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --cs-deep-blue: #0E2A47;
            --cs-ocean-cyan: #0E7C86;
            --cs-gold: #E6B85C;
            --cs-red: #D85A4A;
            --cs-paper: #FAF7F0;
            --cs-light-warm: #F5F3EE;
            --cs-ink: #1F2933;
            --cs-muted: #6B7280;
            --cs-border: #E8E2D6;
            --cs-card-bg: #FFFFFF;
            --cs-gold-soft: rgba(230, 184, 92, 0.16);
            --cs-cyan-soft: rgba(14, 124, 134, 0.12);
            --cs-red-soft: rgba(216, 90, 74, 0.12);
            --cs-radius-lg: 22px;
            --cs-radius-md: 16px;
            --cs-radius-sm: 10px;
            --cs-shadow-sm: 0 4px 12px rgba(14, 42, 71, 0.06);
            --cs-shadow-md: 0 8px 24px rgba(14, 42, 71, 0.08);
            --cs-shadow-lg: 0 16px 40px rgba(14, 42, 71, 0.14);
            --cs-gradient-brand: linear-gradient(135deg, #0E2A47 0%, #0E7C86 62%, rgba(230, 184, 92, 0.92) 130%);
            --cs-gradient-btn: linear-gradient(135deg, #0E2A47 0%, #0E7C86 100%);
            --cs-gradient-gold: linear-gradient(135deg, #E6B85C 0%, #D89A3C 100%);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--cs-paper);
            color: var(--cs-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--cs-ocean-cyan);
            transition: color 0.22s ease;
        }
        a:hover {
            color: var(--cs-gold);
        }
        a:focus,
        button:focus,
        input:focus,
        .btn:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-gap {
            padding: 72px 0;
        }
        .section-gap-sm {
            padding: 48px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--cs-muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .text-gold {
            color: var(--cs-gold);
        }
        .text-ink {
            color: var(--cs-ink);
        }
        .badge-cs {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .badge-cs-gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }
        .badge-cs-cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }
        .badge-cs-red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }
        .badge-cs-solid-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }
        .badge-cs-solid-cyan {
            background: var(--cs-ocean-cyan);
            color: #FFFFFF;
        }
        .badge-cs-solid-red {
            background: var(--cs-red);
            color: #FFFFFF;
        }
        .btn-cs {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            border: none;
            transition: all 0.28s ease;
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
            justify-content: center;
        }
        .btn-cs-primary {
            background: var(--cs-gradient-btn);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(14, 124, 134, 0.28);
        }
        .btn-cs-primary:hover {
            color: #FFFFFF;
            box-shadow: 0 12px 28px rgba(14, 124, 134, 0.4);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #16406a 0%, #0e8a96 100%);
        }
        .btn-cs-gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
            box-shadow: 0 8px 20px rgba(230, 184, 92, 0.32);
        }
        .btn-cs-gold:hover {
            color: #1F2933;
            box-shadow: 0 12px 28px rgba(230, 184, 92, 0.45);
            transform: translateY(-2px);
        }
        .btn-cs-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
            box-shadow: none;
        }
        .btn-cs-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
        }
        .btn-cs-light-outline {
            background: transparent;
            color: var(--cs-deep-blue);
            border: 2px solid #C9D4DE;
            box-shadow: none;
        }
        .btn-cs-light-outline:hover {
            background: #FFFFFF;
            color: var(--cs-deep-blue);
            border-color: var(--cs-ocean-cyan);
            transform: translateY(-2px);
            box-shadow: var(--cs-shadow-md);
        }
        .btn-cs-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-cs-lg {
            padding: 16px 34px;
            font-size: 18px;
        }

        /* ===== Header / Nav ===== */
        .cs-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(14, 42, 71, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(230, 184, 92, 0.22);
            box-shadow: 0 4px 18px rgba(14, 42, 71, 0.18);
        }
        .cs-header .navbar {
            padding: 10px 0;
        }
        .cs-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            font-size: 21px;
            font-weight: 800;
            letter-spacing: 0.8px;
            text-decoration: none;
            transition: color 0.22s ease;
        }
        .cs-brand:hover {
            color: var(--cs-gold);
        }
        .cs-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(230, 184, 92, 0.3);
        }
        .cs-header .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: 10px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.06);
            transition: border-color 0.22s ease, background 0.22s ease;
        }
        .cs-header .navbar-toggler:hover {
            border-color: var(--cs-gold);
            background: rgba(230, 184, 92, 0.12);
        }
        .cs-header .navbar-toggler-icon {
            background-image: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 20px;
            width: 24px;
            height: 24px;
            position: relative;
        }
        .cs-header .navbar-toggler-icon::before {
            content: "\f0c9";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .cs-nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.78);
            border-radius: 999px;
            transition: all 0.22s ease;
            letter-spacing: 0.3px;
            position: relative;
        }
        .cs-nav-link:hover {
            color: #FFFFFF;
            background: rgba(230, 184, 92, 0.14);
        }
        .cs-nav-link.active {
            color: #1F2933;
            background: var(--cs-gradient-gold);
            font-weight: 700;
        }
        .cs-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.3px;
            text-decoration: none;
            transition: all 0.28s ease;
            white-space: nowrap;
            box-shadow: 0 6px 16px rgba(230, 184, 92, 0.28);
        }
        .cs-nav-cta:hover {
            color: #1F2933;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(230, 184, 92, 0.4);
        }

        /* ===== Breadcrumb ===== */
        .cs-breadcrumb {
            background: var(--cs-light-warm);
            border-bottom: 1px solid var(--cs-border);
            padding: 14px 0;
            font-size: 14px;
            color: var(--cs-muted);
        }
        .cs-breadcrumb .breadcrumb {
            margin: 0;
            --bs-breadcrumb-divider-color: #A8A29E;
        }
        .cs-breadcrumb .breadcrumb-item a {
            color: var(--cs-ocean-cyan);
            font-weight: 600;
            text-decoration: none;
            transition: color 0.22s ease;
        }
        .cs-breadcrumb .breadcrumb-item a:hover {
            color: var(--cs-gold);
        }
        .cs-breadcrumb .breadcrumb-item.active {
            color: var(--cs-ink);
            font-weight: 700;
        }
        .cs-breadcrumb .breadcrumb-back {
            color: var(--cs-deep-blue);
            font-weight: 600;
        }
        .cs-breadcrumb .breadcrumb-back:hover {
            color: var(--cs-red);
        }

        /* ===== Section Base ===== */
        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
        .section-header-row .section-title {
            margin-bottom: 6px;
        }
        .section-header-row .section-subtitle {
            margin-bottom: 0;
        }

        /* ===== Hero / 榜单入口 ===== */
        .cs-hero-rank {
            position: relative;
            background: var(--cs-gradient-brand);
            border-radius: 0 0 var(--cs-radius-lg) var(--cs-radius-lg);
            padding: 64px 0 88px;
            overflow: hidden;
            color: #FFFFFF;
        }
        .cs-hero-rank::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 184, 92, 0.32) 0%, transparent 70%);
            pointer-events: none;
        }
        .cs-hero-rank::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 124, 134, 0.5) 0%, transparent 70%);
            pointer-events: none;
        }
        .cs-hero-rank .container {
            position: relative;
            z-index: 2;
        }
        .cs-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.24);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.6px;
            margin-bottom: 20px;
        }
        .cs-hero-title {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.6px;
            margin-bottom: 18px;
        }
        .cs-hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.86);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .cs-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .cs-hero-rank-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--cs-radius-lg);
            padding: 28px 24px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
        }
        .cs-hero-rank-panel .rank-panel-title {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .cs-hero-rank-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 15px;
            color: rgba(255, 255, 255, 0.88);
        }
        .cs-hero-rank-item:last-child {
            border-bottom: none;
        }
        .cs-hero-rank-item .rank-position {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            font-weight: 800;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
        }
        .cs-hero-rank-item .rank-position.top1 {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }
        .cs-hero-rank-item .rank-position.top2 {
            background: linear-gradient(135deg, #8C9AA8, #B8C4CC);
            color: #1F2933;
        }
        .cs-hero-rank-item .rank-position.top3 {
            background: linear-gradient(135deg, #B87333, #D89A5C);
            color: #FFFFFF;
        }
        .cs-hero-rank-item .rank-info {
            flex: 1;
            margin-left: 12px;
        }
        .cs-hero-rank-item .rank-name {
            font-weight: 600;
            color: #FFFFFF;
        }
        .cs-hero-rank-item .rank-score {
            font-weight: 800;
            color: var(--cs-gold);
            font-size: 15px;
        }

        /* ===== Data Stats ===== */
        .cs-stats-row {
            margin-top: -52px;
            position: relative;
            z-index: 5;
            padding-bottom: 8px;
        }
        .cs-stat-card {
            background: #FFFFFF;
            border-radius: var(--cs-radius-md);
            padding: 22px 24px;
            box-shadow: var(--cs-shadow-md);
            border: 1px solid var(--cs-border);
            transition: all 0.28s ease;
            height: 100%;
            text-align: center;
        }
        .cs-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--cs-shadow-lg);
            border-color: var(--cs-gold);
        }
        .cs-stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .cs-stat-card .stat-icon.gold {
            background: var(--cs-gold-soft);
            color: #A07820;
        }
        .cs-stat-card .stat-icon.cyan {
            background: var(--cs-cyan-soft);
            color: var(--cs-ocean-cyan);
        }
        .cs-stat-card .stat-icon.red {
            background: var(--cs-red-soft);
            color: var(--cs-red);
        }
        .cs-stat-card .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--cs-ink);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .cs-stat-card .stat-label {
            font-size: 14px;
            color: var(--cs-muted);
            font-weight: 600;
        }

        /* ===== Rank Board ===== */
        .cs-rank-board {
            background: #FFFFFF;
            border-radius: var(--cs-radius-lg);
            border: 1px solid var(--cs-border);
            box-shadow: var(--cs-shadow-md);
            overflow: hidden;
        }
        .cs-rank-board-header {
            background: var(--cs-deep-blue);
            color: #FFFFFF;
            padding: 18px 24px;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cs-rank-board .rank-table-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--cs-border);
            transition: background 0.2s ease;
        }
        .cs-rank-board .rank-table-row:last-child {
            border-bottom: none;
        }
        .cs-rank-board .rank-table-row:hover {
            background: var(--cs-light-warm);
        }
        .cs-rank-board .rank-table-row.header-row {
            background: var(--cs-light-warm);
            font-weight: 700;
            color: var(--cs-muted);
            font-size: 14px;
            border-bottom: 2px solid var(--cs-border);
        }
        .cs-rank-board .rank-table-row .col-rank {
            width: 52px;
            font-weight: 800;
            font-size: 16px;
            color: var(--cs-deep-blue);
        }
        .cs-rank-board .rank-table-row .col-player {
            flex: 1;
            font-weight: 600;
            color: var(--cs-ink);
        }
        .cs-rank-board .rank-table-row .col-score {
            width: 130px;
            font-weight: 700;
            color: var(--cs-ocean-cyan);
            text-align: right;
        }
        .cs-rank-board .rank-table-row .col-time {
            width: 100px;
            color: var(--cs-muted);
            font-size: 14px;
            text-align: right;
        }

        /* ===== Player Result Cards ===== */
        .cs-result-card {
            background: #FFFFFF;
            border-radius: var(--cs-radius-lg);
            border: 1px solid var(--cs-border);
            box-shadow: var(--cs-shadow-sm);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .cs-result-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--cs-shadow-lg);
            border-color: var(--cs-gold);
        }
        .cs-result-card .card-cover {
            position: relative;
            height: 210px;
            overflow: hidden;
            border-radius: var(--cs-radius-lg) var(--cs-radius-lg) 0 0;
        }
        .cs-result-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cs-result-card:hover .card-cover img {
            transform: scale(1.06);
        }
        .cs-result-card .card-cover .cover-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(14, 42, 71, 0.85);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.4px;
        }
        .cs-result-card .card-cover .cover-badge.gold {
            background: var(--cs-gradient-gold);
            color: #1F2933;
        }
        .cs-result-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cs-result-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--cs-ink);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .cs-result-card .card-desc {
            font-size: 14px;
            color: var(--cs-muted);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }
        .cs-result-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .cs-result-card .card-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--cs-border);
            padding-top: 14px;
        }
        .cs-result-card .card-footer-row .player-name {
            font-size: 14px;
            color: var(--cs-muted);
            font-weight: 600;
        }
        .cs-result-card .card-footer-row .score-highlight {
            font-size: 20px;
            font-weight: 800;
            color: var(--cs-red);
        }

        /* ===== Deep Analysis Section ===== */
        .cs-analysis-section {
            background: var(--cs-deep-blue);
            border-radius: var(--cs-radius-lg);
            padding: 48px 40px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .cs-analysis-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -30px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 184, 92, 0.22) 0%, transparent 70%);
        }
        .cs-analysis-section .analysis-title {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .cs-analysis-section .analysis-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cs-analysis-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 18px;
            position: relative;
            z-index: 1;
        }
        .cs-analysis-item {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--cs-radius-md);
            padding: 20px;
            transition: all 0.28s ease;
        }
        .cs-analysis-item:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--cs-gold);
            transform: translateY(-3px);
        }
        .cs-analysis-item .analysis-icon {
            font-size: 24px;
            color: var(--cs-gold);
            margin-bottom: 10px;
        }
        .cs-analysis-item .analysis-item-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }
        .cs-analysis-item .analysis-item-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .cs-faq .accordion-item {
            border: 1px solid var(--cs-border);
            border-radius: var(--cs-radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: #FFFFFF;
            box-shadow: var(--cs-shadow-sm);
            transition: box-shadow 0.28s ease, border-color 0.28s ease;
        }
        .cs-faq .accordion-item:hover {
            box-shadow: var(--cs-shadow-md);
            border-color: var(--cs-gold);
        }
        .cs-faq .accordion-button {
            background: #FFFFFF;
            color: var(--cs-ink);
            font-weight: 700;
            font-size: 16px;
            padding: 20px 24px;
            border-radius: var(--cs-radius-md);
            transition: all 0.28s ease;
        }
        .cs-faq .accordion-button:not(.collapsed) {
            background: var(--cs-light-warm);
            color: var(--cs-deep-blue);
            box-shadow: none;
        }
        .cs-faq .accordion-button:focus {
            outline: 2px solid var(--cs-gold);
            outline-offset: -2px;
            box-shadow: none;
        }
        .cs-faq .accordion-button::after {
            content: "\f107";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background-image: none;
            color: var(--cs-ocean-cyan);
            transform: rotate(0deg);
            transition: transform 0.3s ease;
            font-size: 16px;
        }
        .cs-faq .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--cs-gold);
        }
        .cs-faq .accordion-body {
            padding: 18px 24px 22px;
            font-size: 15px;
            color: var(--cs-muted);
            line-height: 1.8;
            background: #FFFFFF;
        }

        /* ===== CTA ===== */
        .cs-cta-section {
            background: var(--cs-gradient-brand);
            border-radius: var(--cs-radius-lg);
            padding: 52px 40px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cs-cta-section::before {
            content: "";
            position: absolute;
            top: -50px;
            left: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 184, 92, 0.24) 0%, transparent 70%);
        }
        .cs-cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: -30px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 124, 134, 0.6) 0%, transparent 70%);
        }
        .cs-cta-section .cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cs-cta-section .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin: 0 auto 26px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .cs-cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .cs-footer {
            background: #0B1F35;
            color: rgba(255, 255, 255, 0.76);
            padding: 56px 0 24px;
            margin-top: 40px;
            border-top: 2px solid rgba(230, 184, 92, 0.25);
        }
        .cs-footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.6px;
            margin-bottom: 12px;
            text-decoration: none;
        }
        .cs-footer-brand:hover {
            color: var(--cs-gold);
        }
        .cs-footer-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--cs-gradient-gold);
            color: #1F2933;
            font-size: 17px;
        }
        .cs-footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 300px;
        }
        .cs-footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .cs-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cs-footer-links li {
            margin-bottom: 8px;
        }
        .cs-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.22s ease;
        }
        .cs-footer-links a:hover {
            color: var(--cs-gold);
        }
        .cs-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .cs-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.22s ease;
        }
        .cs-footer-bottom a:hover {
            color: var(--cs-gold);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .section-gap {
                padding: 56px 0;
            }
            .cs-hero-rank {
                padding: 50px 0 70px;
            }
            .cs-hero-title {
                font-size: 34px;
            }
            .cs-rank-board .rank-table-row {
                padding: 14px 16px;
                gap: 10px;
            }
            .cs-rank-board .rank-table-row .col-score {
                width: 100px;
                font-size: 14px;
            }
            .cs-rank-board .rank-table-row .col-time {
                width: 80px;
                font-size: 12px;
            }
        }
        @media (max-width: 768px) {
            .section-gap {
                padding: 44px 0;
            }
            .section-gap-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cs-hero-rank {
                padding: 42px 0 60px;
                border-radius: 0 0 18px 18px;
            }
            .cs-hero-title {
                font-size: 28px;
            }
            .cs-hero-subtitle {
                font-size: 15px;
            }
            .cs-hero-rank-panel {
                margin-top: 24px;
                padding: 20px 16px;
            }
            .cs-stats-row {
                margin-top: -38px;
            }
            .cs-stat-card {
                padding: 16px;
                margin-bottom: 12px;
            }
            .cs-stat-card .stat-number {
                font-size: 22px;
            }
            .cs-rank-board .rank-table-row {
                flex-wrap: wrap;
                padding: 12px 14px;
            }
            .cs-rank-board .rank-table-row .col-rank {
                width: 40px;
                font-size: 14px;
            }
            .cs-rank-board .rank-table-row .col-player {
                flex: 1 1 100%;
                font-size: 14px;
            }
            .cs-rank-board .rank-table-row .col-score {
                width: auto;
                flex: 1;
                text-align: left;
                font-size: 14px;
            }
            .cs-rank-board .rank-table-row .col-time {
                width: auto;
                text-align: left;
            }
            .cs-analysis-section {
                padding: 28px 20px;
            }
            .cs-analysis-section .analysis-title {
                font-size: 22px;
            }
            .cs-cta-section {
                padding: 32px 20px;
            }
            .cs-cta-section .cta-title {
                font-size: 23px;
            }
            .btn-cs {
                padding: 12px 22px;
                font-size: 14px;
            }
            .btn-cs-lg {
                padding: 14px 26px;
                font-size: 16px;
            }
            .cs-footer {
                padding: 40px 0 20px;
            }
            .cs-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .cs-hero-title {
                font-size: 24px;
            }
            .cs-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cs-hero-actions .btn-cs {
                width: 100%;
            }
            .cs-hero-rank-item {
                font-size: 13px;
                gap: 8px;
            }
            .cs-hero-rank-item .rank-score {
                font-size: 13px;
            }
            .cs-result-card .card-cover {
                height: 180px;
            }
            .cs-rank-board .rank-table-row.header-row {
                display: none;
            }
        }