/* roulang page: index */
:root {
            --bg-primary: #0B0D10;
            --bg-secondary: #1A1F27;
            --bg-card: rgba(20, 23, 29, 0.82);
            --text-primary: #E6E8EC;
            --text-secondary: #9BA3B0;
            --text-accent: #DDA33A;
            --accent-gold: #DDA33A;
            --accent-red: #8C2F3A;
            --cloud-silver: #C9D4E3;
            --border-gold: rgba(221, 163, 58, 0.22);
            --border-gold-strong: rgba(221, 163, 58, 0.55);
            --radius-xl: 32px;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 28px 56px rgba(0, 0, 0, 0.65);
            --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-fast: all 0.2s ease;
        }

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

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

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: 60px;
            font-weight: 900;
            letter-spacing: 0.02em;
        }

        h2 {
            font-size: 38px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        h3 {
            font-size: 24px;
            font-weight: 700;
        }

        p {
            margin: 0 0 16px;
            line-height: 1.75;
        }

        .section-padding {
            padding: 90px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 44px 0;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            font-weight: 500;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            margin-right: 10px;
        }

        .section-title-group {
            margin-bottom: 48px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-top: 8px;
        }

        .gold-gradient-text {
            background: linear-gradient(135deg, #DDA33A 0%, #F0D68A 50%, #DDA33A 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            font-size: 16px;
            padding: 14px 32px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .btn-primary {
            background: linear-gradient(135deg, #DDA33A 0%, #B8862D 100%);
            color: #0B0D10;
            box-shadow: 0 8px 28px rgba(221, 163, 58, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(221, 163, 58, 0.5);
            color: #0B0D10;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-gold-strong);
            box-shadow: none;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.1);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(201, 212, 227, 0.4);
            color: var(--cloud-silver);
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.08);
        }

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

        .btn-lg {
            padding: 18px 40px;
            font-size: 18px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(221, 163, 58, 0.25);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-symbol {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-size: 18px;
            font-weight: 900;
            font-family: 'Oswald', 'Noto Sans SC', sans-serif;
        }

        .brand-text {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 22px;
            letter-spacing: 0.04em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .brand-text .gold-dot {
            color: var(--accent-gold);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: 14px;
            font-size: 12px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            min-width: 64px;
            border: 1px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-icon-item i {
            font-size: 20px;
            transition: var(--transition-base);
        }

        .nav-icon-item:hover {
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.08);
            border-color: var(--border-gold);
            transform: translateY(-2px);
        }

        .nav-icon-item.active {
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.12);
            border-color: var(--border-gold-strong);
        }

        .nav-icon-item.active i {
            transform: scale(1.1);
        }

        /* Mobile Bottom Navigation */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: rgba(11, 13, 16, 0.95);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(221, 163, 58, 0.25);
            padding: 8px 0;
            padding-bottom: max(8px, env(safe-area-inset-bottom));
        }

        .mobile-bottom-nav .nav-icon-item {
            flex: 1;
            min-width: 0;
            padding: 6px 4px;
            font-size: 10px;
            gap: 2px;
        }

        .mobile-bottom-nav .nav-icon-item i {
            font-size: 18px;
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-bottom-nav {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-primary);
        }

        .hero-bg-image {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 1;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(11, 13, 16, 0.55) 0%, rgba(11, 13, 16, 0.75) 40%, rgba(11, 13, 16, 0.95) 100%);
            z-index: 2;
        }

        .hero-bg-gradient {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 39, 0.3) 0%, rgba(11, 13, 16, 0.5) 100%);
            z-index: 3;
        }

        .hero-radial-spotlight {
            position: absolute;
            top: 30%;
            right: 10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.12) 0%, transparent 70%);
            z-index: 3;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 4;
            padding: 120px 0 80px;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(221, 163, 58, 0.15);
            border: 1px solid var(--border-gold-strong);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--accent-gold);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-badge i {
            font-size: 14px;
        }

        .hero-title {
            font-size: 54px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--cloud-silver);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 44px;
            flex-wrap: wrap;
        }

        .hero-stat-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(20, 23, 29, 0.75);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 10px 18px;
        }

        .hero-stat-badge .stat-number {
            font-family: 'Oswald', 'Noto Sans SC', sans-serif;
            font-size: 26px;
            font-weight: 600;
            color: var(--accent-gold);
            line-height: 1;
        }

        .hero-stat-badge .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .hero-play-btn {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            border: 2px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0D10;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 12px 36px rgba(221, 163, 58, 0.4);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .hero-play-btn:hover {
            transform: scale(1.08);
            box-shadow: 0 16px 48px rgba(221, 163, 58, 0.55);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 60vh;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-content {
                padding: 80px 0 60px;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .hero-stat-badge {
                padding: 8px 12px;
            }
            .hero-stat-badge .stat-number {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-play-btn {
                width: 52px;
                height: 52px;
                font-size: 20px;
            }
        }

        /* Pain Points Section */
        .pain-section {
            background: var(--bg-primary);
            position: relative;
        }

        .pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .pain-main-card {
            grid-row: span 2;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 36px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .pain-main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 60%;
            background: linear-gradient(to bottom, #8C2F3A, #DDA33A);
            border-radius: 4px;
        }

        .pain-warning-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(140, 47, 58, 0.25);
            border: 1px solid rgba(140, 47, 58, 0.6);
            color: #E8B4B4;
            font-size: 13px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            align-self: flex-start;
        }

        .pain-main-card h3 {
            font-size: 28px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .pain-main-card p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
        }

        .pain-sub-card {
            background: var(--bg-card);
            border: 1px solid rgba(201, 212, 227, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .pain-sub-card:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .pain-sub-card .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(221, 163, 58, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .pain-sub-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .pain-sub-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .pain-main-card {
                grid-row: auto;
            }
            .pain-main-card {
                padding: 24px;
            }
            .pain-sub-card {
                padding: 20px;
            }
        }

        /* Solution Section */
        .solution-section {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 100%);
            position: relative;
            overflow: hidden;
        }

        .solution-section::before {
            content: '';
            position: absolute;
            top: 20%;
            left: 50%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
            position: relative;
            z-index: 1;
        }

        .solution-main-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .solution-main-card .solution-img-wrapper {
            border-radius: 20px;
            overflow: hidden;
            margin-bottom: 8px;
            position: relative;
        }

        .solution-main-card .solution-img-wrapper img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: var(--transition-base);
        }

        .solution-main-card:hover .solution-img-wrapper img {
            transform: scale(1.03);
        }

        .solution-main-card h3 {
            font-size: 28px;
            margin-bottom: 8px;
        }

        .solution-main-card p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
        }

        .solution-data-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(221, 163, 58, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            font-family: 'Oswald', sans-serif;
            font-size: 28px;
            font-weight: 600;
            color: var(--accent-gold);
            align-self: flex-start;
        }

        .solution-data-badge span {
            font-size: 14px;
            font-family: 'Noto Sans SC', sans-serif;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .solution-side-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .solution-side-card {
            background: rgba(20, 23, 29, 0.75);
            border: 1px solid rgba(201, 212, 227, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            flex: 1;
        }

        .solution-side-card:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .solution-side-card .sol-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(221, 163, 58, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .solution-side-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .solution-side-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }

        .solution-side-card a {
            font-size: 14px;
            color: var(--accent-gold);
            font-weight: 500;
        }

        .solution-side-card a:hover {
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .solution-main-card {
                padding: 24px;
            }
            .solution-side-card {
                padding: 20px;
            }
        }

        /* Brand Story */
        .brand-story-section {
            background: var(--bg-primary);
        }

        .brand-story-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .brand-story-card::after {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .brand-story-card h2 {
            margin-bottom: 20px;
        }

        .brand-story-card p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .brand-story-card .story-highlight {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* Featured Content Cards */
        .featured-section {
            background: var(--bg-primary);
        }

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

        .featured-card {
            background: var(--bg-card);
            border: 1px solid rgba(201, 212, 227, 0.15);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            cursor: pointer;
            position: relative;
        }

        .featured-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .featured-card .featured-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: var(--transition-base);
        }

        .featured-card:hover .featured-img {
            transform: scale(1.05);
        }

        .featured-card .featured-body {
            padding: 20px 20px 24px;
        }

        .featured-card .featured-body h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .featured-card .featured-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
        }

        .featured-card .featured-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .featured-card .featured-tag {
            font-size: 12px;
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.1);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
        }

        .featured-card .featured-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(221, 163, 58, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 14px;
            transition: var(--transition-base);
        }

        .featured-card:hover .featured-arrow {
            background: var(--accent-gold);
            color: #0B0D10;
        }

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

        @media (max-width: 520px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Results / Data Badges */
        .results-section {
            background: var(--bg-primary);
            position: relative;
        }

        .results-divider {
            width: 80px;
            height: 3px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            border-radius: 3px;
            margin-bottom: 32px;
        }

        .results-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .result-badge-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(20, 23, 29, 0.7);
            border: 1px solid rgba(201, 212, 227, 0.12);
            border-radius: var(--radius-lg);
            transition: var(--transition-base);
        }

        .result-badge-item:hover {
            border-color: var(--border-gold-strong);
            background: rgba(20, 23, 29, 0.9);
        }

        .result-number {
            font-family: 'Oswald', 'Noto Sans SC', sans-serif;
            font-size: 48px;
            font-weight: 600;
            background: linear-gradient(135deg, #DDA33A 0%, #F0D68A 50%, #B8862D 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .result-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .results-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .result-number {
                font-size: 36px;
            }
        }

        @media (max-width: 520px) {
            .results-row {
                grid-template-columns: 1fr 1fr;
            }
            .result-number {
                font-size: 30px;
            }
        }

        /* Testimonials */
        .testimonial-section {
            background: var(--bg-secondary);
            position: relative;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: rgba(20, 23, 29, 0.85);
            border: 1px solid rgba(201, 212, 227, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .testimonial-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20px;
            right: 20px;
            height: 4px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            border-radius: 4px;
            opacity: 0.7;
        }

        .testimonial-card:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-quote-mark {
            font-size: 48px;
            line-height: 1;
            color: var(--accent-gold);
            opacity: 0.4;
            margin-bottom: 8px;
            font-family: 'Georgia', serif;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }

        .testimonial-author {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .testimonial-author i {
            color: var(--accent-gold);
            font-size: 14px;
        }

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

        @media (max-width: 520px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* News Section */
        .news-section {
            background: var(--bg-primary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(201, 212, 227, 0.1);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .news-list-item:hover {
            padding-left: 8px;
        }

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

        .news-list-item .news-index {
            font-family: 'Oswald', sans-serif;
            font-size: 28px;
            font-weight: 600;
            color: var(--accent-gold);
            opacity: 0.5;
            min-width: 42px;
            line-height: 1.3;
        }

        .news-list-item .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .news-list-item .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .news-list-item .news-meta {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
            display: flex;
            gap: 12px;
        }

        .news-side-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .news-side-panel h3 {
            font-size: 20px;
            margin-bottom: 16px;
        }

        .news-side-panel .side-news-item {
            padding: 12px 0;
            border-bottom: 1px solid rgba(201, 212, 227, 0.1);
        }

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

        .news-side-panel .side-news-item span {
            font-size: 13px;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 4px;
        }

        .news-side-panel .side-news-item a {
            font-size: 15px;
            font-weight: 500;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        /* Focus Topics + Promo Ladder */
        .topics-promo-section {
            background: var(--bg-primary);
        }

        .topics-promo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .topics-card {
            background: var(--bg-card);
            border: 1px solid rgba(201, 212, 227, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .topics-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
        }

        .topic-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(221, 163, 58, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            font-size: 13px;
            color: var(--text-primary);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .topic-tag:hover {
            background: rgba(221, 163, 58, 0.2);
            border-color: var(--border-gold-strong);
            transform: translateY(-1px);
        }

        .topic-tag i {
            color: var(--accent-gold);
            font-size: 12px;
        }

        .promo-ladder-card {
            background: var(--bg-card);
            border: 1px solid rgba(201, 212, 227, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .promo-ladder-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
        }

        .promo-step-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(201, 212, 227, 0.1);
        }

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

        .promo-step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Oswald', sans-serif;
            font-weight: 600;
            font-size: 16px;
            color: #0B0D10;
            flex-shrink: 0;
        }

        .promo-step-item .promo-step-content {
            flex: 1;
        }

        .promo-step-item .promo-step-content strong {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .promo-step-item .promo-step-content span {
            font-size: 13px;
            color: var(--text-secondary);
            display: block;
            margin-top: 2px;
        }

        .promo-step-item .promo-badge {
            font-size: 12px;
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.12);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .topics-promo-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ Section */
        .faq-section {
            background: var(--bg-secondary);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(20, 23, 29, 0.8);
            border: 1px solid rgba(201, 212, 227, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            border-left: 3px solid rgba(221, 163, 58, 0.5);
            transition: var(--transition-base);
        }

        .faq-item.active {
            background: rgba(20, 23, 29, 0.95);
            border-left-color: var(--accent-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            gap: 12px;
        }

        .faq-question .faq-toggle-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(221, 163, 58, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-gold);
            flex-shrink: 0;
            transition: var(--transition-fast);
        }

        .faq-item.active .faq-toggle-icon {
            background: var(--accent-gold);
            color: #0B0D10;
        }

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* Partners + CTA Section */
        .partners-cta-section {
            background: var(--bg-primary);
        }

        .partner-tags-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-bottom: 40px;
        }

        .partner-tag-card {
            background: rgba(20, 23, 29, 0.7);
            border: 1px solid rgba(201, 212, 227, 0.12);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition-base);
        }

        .partner-tag-card:hover {
            border-color: var(--border-gold-strong);
            background: rgba(20, 23, 29, 0.9);
        }

        .partner-tag-card .partner-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.2), rgba(140, 47, 58, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .partner-tag-card .partner-info strong {
            font-size: 14px;
            font-weight: 600;
            display: block;
        }

        .partner-tag-card .partner-info span {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .cta-full-width {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-full-width::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 50%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-full-width h2 {
            font-size: 36px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-full-width p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-form input {
            flex: 1;
            background: rgba(11, 13, 16, 0.7);
            border: 1px solid rgba(221, 163, 58, 0.35);
            border-radius: var(--radius-pill);
            padding: 14px 20px;
            font-size: 15px;
            color: var(--text-primary);
            transition: var(--transition-base);
        }

        .cta-form input::placeholder {
            color: var(--text-secondary);
        }

        .cta-form input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(221, 163, 58, 0.15);
        }

        @media (max-width: 768px) {
            .partner-tags-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-full-width {
                padding: 36px 20px;
            }
            .cta-full-width h2 {
                font-size: 28px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .partner-tags-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Footer */
        .site-footer {
            background: #08090C;
            border-top: 1px solid rgba(221, 163, 58, 0.3);
            padding: 56px 0 40px;
            position: relative;
            z-index: 10;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-area {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(201, 212, 227, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .footer-bottom .copyright {
            font-size: 13px;
        }

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

        .footer-bottom .legal-links a {
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        .footer-icp {
            font-size: 12px;
            color: #6B7280;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-0 { margin-top: 0; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 32px; }

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

/* roulang page: category2 */
:root {
            --bg-primary: #0B0D10;
            --bg-secondary: #1A1F27;
            --bg-card: rgba(20, 23, 29, 0.82);
            --text-primary: #E6E8EC;
            --text-secondary: #9BA3B0;
            --text-accent: #DDA33A;
            --accent-gold: #DDA33A;
            --accent-red: #8C2F3A;
            --cloud-silver: #C9D4E3;
            --border-gold: rgba(221, 163, 58, 0.22);
            --border-gold-strong: rgba(221, 163, 58, 0.55);
            --radius-xl: 32px;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 28px 56px rgba(0, 0, 0, 0.65);
            --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-fast: all 0.2s ease;
        }

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

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        a:focus, button:focus, input:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        .section-padding {
            padding: 90px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            font-weight: 500;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            margin-right: 10px;
        }

        .section-title-group {
            margin-bottom: 48px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            font-size: 16px;
            padding: 14px 32px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, #DDA33A 0%, #B8862D 100%);
            color: #0B0D10;
            box-shadow: 0 8px 28px rgba(221, 163, 58, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(221, 163, 58, 0.5);
            color: #0B0D10;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-gold-strong);
            box-shadow: none;
        }
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.1);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(201, 212, 227, 0.4);
            color: var(--cloud-silver);
        }
        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.08);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 18px 40px;
            font-size: 18px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(221, 163, 58, 0.25);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-symbol {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-size: 18px;
            font-weight: 900;
            font-family: 'Oswald', 'Noto Sans SC', sans-serif;
        }
        .brand-text {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
        }
        .gold-dot {
            color: var(--accent-gold);
            margin-left: 2px;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-icon-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-icon-item i {
            font-size: 16px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .nav-icon-item:hover {
            color: var(--text-primary);
            background: rgba(221, 163, 58, 0.08);
            border-color: var(--border-gold);
            transform: translateY(-1px);
        }
        .nav-icon-item:hover i {
            color: var(--accent-gold);
        }
        .nav-icon-item.active {
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.12);
            border-color: var(--border-gold-strong);
        }
        .nav-icon-item.active i {
            color: var(--accent-gold);
        }

        /* Page Hero */
        .page-hero {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            padding: 56px 0 48px;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 13, 16, 0.88) 0%, rgba(11, 13, 16, 0.72) 45%, rgba(26, 31, 39, 0.55) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-path {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-path a {
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }
        .breadcrumb-path a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb-path .separator {
            color: var(--border-gold-strong);
        }
        .breadcrumb-path .current-page {
            color: var(--accent-gold);
            font-weight: 500;
        }

        .hero-category-title {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 42px;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .hero-category-desc {
            font-size: 16px;
            color: var(--cloud-silver);
            max-width: 640px;
            line-height: 1.8;
        }

        /* Content Cards */
        .info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
        }
        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-strong);
            transform: translateY(-3px);
        }
        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.18), rgba(140, 47, 58, 0.12));
            border: 1px solid var(--border-gold);
            margin-bottom: 16px;
        }
        .info-card .card-icon i {
            font-size: 20px;
            color: var(--accent-gold);
        }
        .info-card h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .info-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Step Flow */
        .step-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            position: relative;
            padding-bottom: 32px;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-item::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 44px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--border-gold-strong), rgba(221, 163, 58, 0.08));
        }
        .step-item:last-child::before {
            display: none;
        }
        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #DDA33A, #B8862D);
            color: #0B0D10;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Oswald', sans-serif;
            font-weight: 600;
            font-size: 18px;
            flex-shrink: 0;
            z-index: 1;
            box-shadow: 0 4px 14px rgba(221, 163, 58, 0.4);
        }
        .step-content {
            flex: 1;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition-base);
        }
        .step-content:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card);
        }
        .step-content h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .step-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Info Panel */
        .info-panel {
            background: linear-gradient(135deg, rgba(26, 31, 39, 0.92) 0%, rgba(11, 13, 16, 0.9) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .info-panel::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .info-panel h2 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 28px;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .info-panel p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .info-panel .highlight-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .info-panel .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--cloud-silver);
            padding: 8px 0;
            border-bottom: 1px solid rgba(221, 163, 58, 0.1);
        }
        .info-panel .highlight-list li:last-child {
            border-bottom: none;
        }
        .info-panel .highlight-list li i {
            color: var(--accent-gold);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Cover Image Display */
        .cover-image-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .cover-image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
            transition: var(--transition-base);
        }
        .cover-image-card:hover img {
            transform: scale(1.03);
        }
        .cover-image-card .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(11, 13, 16, 0.85) 0%, transparent 60%);
            padding: 20px 16px 14px;
            pointer-events: none;
        }
        .cover-image-card .image-overlay span {
            font-size: 12px;
            color: var(--accent-gold);
            letter-spacing: 0.04em;
            font-weight: 500;
        }

        /* FAQ */
        .faq-section-wrap {
            background: linear-gradient(135deg, rgba(26, 31, 39, 0.6) 0%, rgba(11, 13, 16, 0.9) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            border: 1px solid var(--border-gold);
        }
        .faq-item {
            background: rgba(20, 23, 29, 0.7);
            border: 1px solid rgba(221, 163, 58, 0.18);
            border-left: 3px solid var(--accent-gold);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: var(--transition-fast);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: var(--border-gold-strong);
            background: rgba(20, 23, 29, 0.9);
        }
        .faq-item.last-item {
            margin-bottom: 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            gap: 12px;
            user-select: none;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            font-family: 'Noto Sans SC', sans-serif;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(221, 163, 58, 0.15);
            color: var(--accent-gold);
            font-size: 12px;
            transition: var(--transition-fast);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: rgba(221, 163, 58, 0.3);
        }

        /* CTA */
        .cta-banner {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 100%);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center top, rgba(221, 163, 58, 0.15) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-banner h2 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 32px;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.35;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #080A0D;
            border-top: 1px solid rgba(221, 163, 58, 0.25);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 340px;
        }
        .footer-col h4 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(221, 163, 58, 0.15);
            padding: 18px 0 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .copyright {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .legal-links a {
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }
        .legal-links a:hover {
            color: var(--accent-gold);
        }
        .footer-icp {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 12px;
            color: var(--text-secondary);
            width: 100%;
            margin-top: 6px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .desktop-nav {
                gap: 2px;
            }
            .nav-icon-item {
                padding: 6px 10px;
                font-size: 13px;
            }
            .nav-icon-item span {
                font-size: 12px;
            }
            .hero-category-title {
                font-size: 34px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .site-header {
                height: 60px;
            }
            .brand-text {
                font-size: 19px;
            }
            .desktop-nav {
                gap: 1px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                justify-content: flex-start;
                flex-wrap: nowrap;
            }
            .desktop-nav::-webkit-scrollbar {
                display: none;
            }
            .nav-icon-item {
                padding: 6px 10px;
                font-size: 12px;
                white-space: nowrap;
                flex-shrink: 0;
            }
            .nav-icon-item i {
                font-size: 13px;
            }
            .nav-icon-item span {
                font-size: 11px;
            }
            .page-hero {
                min-height: 220px;
                padding: 40px 0 32px;
            }
            .hero-category-title {
                font-size: 28px;
            }
            .hero-category-desc {
                font-size: 14px;
            }
            .info-panel {
                padding: 28px 20px;
            }
            .info-panel h2 {
                font-size: 22px;
            }
            .faq-section-wrap {
                padding: 32px 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 13px 16px;
            }
            .faq-answer {
                font-size: 14px;
            }
            .cta-banner {
                padding: 40px 20px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .step-item {
                gap: 14px;
                padding-bottom: 24px;
            }
            .step-number {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .step-content {
                padding: 16px 18px;
            }
            .step-content h3 {
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 44px 0;
            }
            .page-hero {
                min-height: 200px;
            }
            .hero-category-title {
                font-size: 24px;
                line-height: 1.4;
            }
            .breadcrumb-path {
                font-size: 12px;
            }
            .info-panel {
                padding: 20px 16px;
            }
            .info-panel h2 {
                font-size: 20px;
            }
            .step-content {
                padding: 13px 14px;
            }
            .step-content h3 {
                font-size: 15px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 16px;
            }
            .cta-banner h2 {
                font-size: 21px;
            }
            .faq-section-wrap {
                padding: 24px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0D10;
            --bg-secondary: #1A1F27;
            --bg-card: rgba(20, 23, 29, 0.82);
            --text-primary: #E6E8EC;
            --text-secondary: #9BA3B0;
            --text-accent: #DDA33A;
            --accent-gold: #DDA33A;
            --accent-red: #8C2F3A;
            --cloud-silver: #C9D4E3;
            --border-gold: rgba(221, 163, 58, 0.22);
            --border-gold-strong: rgba(221, 163, 58, 0.55);
            --radius-xl: 32px;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 28px 56px rgba(0, 0, 0, 0.65);
            --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-fast: all 0.2s ease;
        }

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

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            color: var(--accent-gold);
            letter-spacing: 0.08em;
            font-weight: 500;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .section-label::before {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--accent-gold);
            margin-right: 10px;
        }

        .section-title {
            font-family: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            font-weight: 900;
            font-size: 32px;
            line-height: 1.35;
            color: var(--text-primary);
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-top: 6px;
            margin-bottom: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            font-size: 15px;
            padding: 13px 30px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            line-height: 1.4;
            text-align: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, #DDA33A 0%, #B8862D 100%);
            color: #0B0D10;
            box-shadow: 0 8px 28px rgba(221, 163, 58, 0.35);
            font-weight: 600;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(221, 163, 58, 0.5);
            color: #0B0D10;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-gold-strong);
            box-shadow: none;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.1);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(221, 163, 58, 0.25);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-symbol {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-size: 20px;
            font-weight: 900;
            font-family: 'Oswald', 'Noto Sans SC', sans-serif;
            letter-spacing: 0;
        }

        .brand-text {
            font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
            font-weight: 900;
            font-size: 21px;
            letter-spacing: 0.04em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .gold-dot {
            color: var(--accent-gold);
            margin-left: 2px;
            font-size: 24px;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-icon-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
            position: relative;
        }

        .nav-icon-item i {
            font-size: 15px;
            color: var(--accent-gold);
            transition: var(--transition-fast);
        }

        .nav-icon-item:hover {
            background: rgba(221, 163, 58, 0.1);
            border-color: rgba(221, 163, 58, 0.3);
            color: var(--text-primary);
            transform: translateY(-1px);
        }

        .nav-icon-item.active {
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.18), rgba(140, 47, 58, 0.18));
            border-color: var(--border-gold-strong);
            color: var(--accent-gold);
            font-weight: 600;
        }

        .nav-icon-item.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            border-bottom: 1px solid rgba(221, 163, 58, 0.2);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 13, 16, 0.85) 0%, rgba(11, 13, 16, 0.55) 45%, rgba(26, 31, 39, 0.75) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--accent-gold);
            font-size: 11px;
        }

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

        .category-hero h1 {
            font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
            font-weight: 900;
            font-size: 38px;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 10px;
            letter-spacing: 0.03em;
        }

        .category-hero .hero-sub {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 580px;
            line-height: 1.75;
            margin: 0 0 20px;
        }

        .hero-badge-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: rgba(221, 163, 58, 0.12);
            border: 1px solid rgba(221, 163, 58, 0.4);
            font-size: 12px;
            color: var(--accent-gold);
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .hero-badge i {
            font-size: 13px;
        }

        .hero-badge.hot {
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.25), rgba(140, 47, 58, 0.3));
            border-color: rgba(221, 163, 58, 0.65);
            animation: pulse-badge 2.4s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(221, 163, 58, 0.3);
            }
            50% {
                box-shadow: 0 0 18px 4px rgba(221, 163, 58, 0.12);
            }
        }

        /* Main content area */
        .main-content {
            min-height: 400px;
        }

        /* Promo strip */
        .promo-strip {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            position: relative;
            overflow: hidden;
        }

        .promo-strip::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: linear-gradient(180deg, #DDA33A, #8C2F3A);
            border-radius: 4px 0 0 4px;
        }

        .promo-strip .promo-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.25), rgba(140, 47, 58, 0.3));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .promo-strip .promo-text {
            flex: 1;
            min-width: 200px;
        }

        .promo-strip .promo-text strong {
            font-size: 15px;
            color: var(--text-primary);
            display: block;
            margin-bottom: 2px;
            font-weight: 600;
        }

        .promo-strip .promo-text span {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Lift card grid */
        .lift-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 28px;
        }

        .lift-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .lift-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-strong);
        }

        .lift-card .card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            background: #1A1F27;
        }

        .lift-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .lift-card:hover .card-image img {
            transform: scale(1.06);
        }

        .lift-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(11, 13, 16, 0.6) 100%);
            pointer-events: none;
        }

        .lift-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(11, 13, 16, 0.8);
            border: 1px solid rgba(221, 163, 58, 0.4);
            font-size: 11px;
            color: var(--accent-gold);
            font-weight: 500;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .lift-card .card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .lift-card .card-body h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 16px;
            line-height: 1.5;
            color: var(--text-primary);
            margin: 0 0 8px;
            letter-spacing: 0.01em;
        }

        .lift-card .card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }

        .lift-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .lift-card .stat-badge {
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .lift-card .stat-badge .stat-num {
            font-family: 'Oswald', sans-serif;
            font-size: 22px;
            font-weight: 600;
            color: var(--accent-gold);
            line-height: 1;
        }

        .lift-card .arrow-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(221, 163, 58, 0.12);
            border: 1px solid rgba(221, 163, 58, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--accent-gold);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .lift-card:hover .arrow-btn {
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            border-color: transparent;
        }

        /* Pain points section */
        .pain-block {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 28px 30px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .pain-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #8C2F3A, #DDA33A, #8C2F3A);
        }

        .pain-block .pain-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .pain-block .pain-head .pain-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(140, 47, 58, 0.3);
            border: 1px solid rgba(140, 47, 58, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: #E08A94;
            flex-shrink: 0;
        }

        .pain-block .pain-head h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 19px;
            color: var(--text-primary);
            margin: 0;
        }

        .pain-block p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Solution section */
        .solution-wrap {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
            margin-bottom: 30px;
        }

        .solution-card-main {
            background: linear-gradient(135deg, rgba(26, 31, 39, 0.9) 0%, rgba(11, 13, 16, 0.95) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 28px 30px;
            position: relative;
            overflow: hidden;
        }

        .solution-card-main::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .solution-card-main h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }

        .solution-card-main p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
            position: relative;
            z-index: 1;
            max-width: 85%;
        }

        .solution-card-main .inner-stat {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 10px 20px;
            border-radius: 16px;
            background: rgba(11, 13, 16, 0.7);
            border: 1px solid var(--border-gold);
            position: relative;
            z-index: 1;
        }

        .solution-card-main .inner-stat .num {
            font-family: 'Oswald', sans-serif;
            font-size: 36px;
            font-weight: 600;
            background: linear-gradient(135deg, #DDA33A, #B8862D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }

        .solution-card-main .inner-stat .label {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        .solution-side-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .solution-side-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: var(--transition-base);
            flex: 1;
        }

        .solution-side-card:hover {
            border-color: var(--border-gold-strong);
            background: rgba(221, 163, 58, 0.08);
            transform: translateX(3px);
        }

        .solution-side-card .side-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(221, 163, 58, 0.15);
            border: 1px solid rgba(221, 163, 58, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .solution-side-card .side-content h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
        }

        .solution-side-card .side-content p {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .solution-side-card .side-link {
            font-size: 12px;
            color: var(--accent-gold);
            font-weight: 500;
            margin-top: 6px;
            display: inline-block;
        }

        /* Data badges row */
        .data-badge-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-bottom: 30px;
        }

        .data-badge-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .data-badge-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, transparent, #DDA33A, transparent);
            border-radius: 2px;
        }

        .data-badge-card:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .data-badge-card .badge-num {
            font-family: 'Oswald', sans-serif;
            font-size: 40px;
            font-weight: 600;
            background: linear-gradient(135deg, #DDA33A, #B8862D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .data-badge-card .badge-label {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            position: relative;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .testimonial-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #DDA33A, #8C2F3A);
            border-radius: 3px 3px 0 0;
        }

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

        .testimonial-card .quote-mark {
            font-size: 36px;
            color: var(--accent-gold);
            opacity: 0.4;
            font-family: Georgia, serif;
            line-height: 1;
            display: block;
            margin-bottom: 8px;
        }

        .testimonial-card blockquote {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
            font-style: normal;
        }

        .testimonial-card .client-info {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .testimonial-card .client-info .client-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: #0B0D10;
            font-weight: 600;
            flex-shrink: 0;
        }

        .testimonial-card .client-info .client-name {
            font-weight: 500;
            color: var(--text-primary);
            font-size: 12px;
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition-base);
            border-left: 3px solid rgba(221, 163, 58, 0.4);
        }

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

        .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
            transition: var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--accent-gold);
        }

        .faq-question .faq-toggle {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(221, 163, 58, 0.12);
            border: 1px solid rgba(221, 163, 58, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--accent-gold);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: linear-gradient(135deg, #DDA33A, #B8862D);
            color: #0B0D10;
            border-color: transparent;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 20px 16px;
            margin: 0;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 60%, #1A1F27 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 50px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 30px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.15) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 28px;
            color: var(--text-primary);
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Pagination */
        .pagination-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin: 24px 0 10px;
        }

        .pagination-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-pill);
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .pagination-btn:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.1);
        }

        .pagination-btn.active {
            background: linear-gradient(135deg, #DDA33A, #B8862D);
            color: #0B0D10;
            border-color: transparent;
            font-weight: 600;
        }

        .pagination-btn.disabled {
            opacity: 0.35;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background: #08090C;
            border-top: 1px solid rgba(221, 163, 58, 0.3);
            padding: 50px 0 30px;
            margin-top: 60px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .site-footer .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 12px 0 0;
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 600;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }

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

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

        .site-footer .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(221, 163, 58, 0.15);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .site-footer .footer-bottom .copyright {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .site-footer .footer-bottom .legal-links {
            display: flex;
            gap: 8px;
            font-size: 12px;
            color: var(--text-secondary);
            align-items: center;
        }

        .site-footer .footer-bottom .legal-links a {
            font-size: 12px;
            color: var(--text-secondary);
        }

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

        .site-footer .footer-bottom .footer-icp {
            display: flex;
            gap: 14px;
            font-size: 11px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .lift-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-wrap {
                grid-template-columns: 1fr;
            }
            .data-badge-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .site-header {
                height: 60px;
            }
            .site-header .container {
                flex-wrap: nowrap;
            }
            .brand-text {
                font-size: 17px;
            }
            .brand-symbol {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }
            .desktop-nav {
                gap: 2px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
                padding-bottom: 2px;
            }
            .desktop-nav::-webkit-scrollbar {
                display: none;
            }
            .nav-icon-item {
                padding: 6px 10px;
                font-size: 11px;
                gap: 4px;
                white-space: nowrap;
                flex-shrink: 0;
            }
            .nav-icon-item i {
                font-size: 12px;
            }
            .category-hero {
                min-height: 240px;
            }
            .category-hero h1 {
                font-size: 24px;
                line-height: 1.4;
            }
            .category-hero .hero-sub {
                font-size: 13px;
                line-height: 1.65;
            }
            .hero-badge-row {
                gap: 6px;
            }
            .hero-badge {
                padding: 6px 12px;
                font-size: 10px;
            }
            .lift-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .solution-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .solution-card-main {
                padding: 20px 18px;
                border-radius: var(--radius-lg);
            }
            .solution-card-main p {
                max-width: 100%;
            }
            .solution-side-cards {
                gap: 10px;
            }
            .solution-side-card {
                padding: 14px 16px;
            }
            .data-badge-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-badge-card {
                padding: 16px 10px;
            }
            .data-badge-card .badge-num {
                font-size: 28px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-section {
                padding: 30px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 22px;
            }
            .pagination-row {
                gap: 4px;
            }
            .pagination-btn {
                width: 34px;
                height: 34px;
                font-size: 11px;
            }
            .site-footer {
                padding: 35px 0 24px;
                margin-top: 40px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .desktop-nav {
                max-width: calc(100vw - 120px);
            }
            .nav-icon-item {
                padding: 5px 8px;
                font-size: 10px;
            }
            .nav-icon-item i {
                font-size: 11px;
            }
            .category-hero {
                min-height: 210px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .data-badge-row {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0D10;
            --bg-secondary: #1A1F27;
            --bg-card: rgba(20, 23, 29, 0.82);
            --text-primary: #E6E8EC;
            --text-secondary: #9BA3B0;
            --text-accent: #DDA33A;
            --accent-gold: #DDA33A;
            --accent-red: #8C2F3A;
            --cloud-silver: #C9D4E3;
            --border-gold: rgba(221, 163, 58, 0.22);
            --border-gold-strong: rgba(221, 163, 58, 0.55);
            --radius-xl: 32px;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 28px 56px rgba(0, 0, 0, 0.65);
            --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-fast: all 0.2s ease;
        }

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

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        a:focus, button:focus, input:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding: 90px 0;
        }
        @media (max-width: 1024px) {
            .section-padding {
                padding: 56px 0;
            }
        }
        @media (max-width: 640px) {
            .section-padding {
                padding: 44px 0;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            font-weight: 500;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            margin-right: 10px;
        }
        .section-title-group {
            margin-bottom: 48px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            font-size: 16px;
            padding: 14px 32px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, #DDA33A 0%, #B8862D 100%);
            color: #0B0D10;
            box-shadow: 0 8px 28px rgba(221, 163, 58, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(221, 163, 58, 0.5);
            color: #0B0D10;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-gold-strong);
            box-shadow: none;
        }
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.1);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(201, 212, 227, 0.4);
            color: var(--cloud-silver);
        }
        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.08);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 18px 40px;
            font-size: 18px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(221, 163, 58, 0.25);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-symbol {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-size: 18px;
            font-weight: 900;
            font-family: 'Oswald', 'Noto Sans SC', sans-serif;
        }
        .brand-text {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .gold-dot {
            color: var(--accent-gold);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .desktop-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-icon-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: var(--transition-base);
        }
        .nav-icon-item i {
            font-size: 16px;
            width: 20px;
            text-align: center;
        }
        .nav-icon-item:hover {
            background: rgba(221, 163, 58, 0.1);
            border-color: rgba(221, 163, 58, 0.35);
            color: var(--accent-gold);
            transform: translateY(-1px);
        }
        .nav-icon-item.active {
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.2), rgba(140, 47, 58, 0.15));
            border-color: rgba(221, 163, 58, 0.5);
            color: var(--accent-gold);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 16px 0;
            background: rgba(11, 13, 16, 0.6);
            border-bottom: 1px solid rgba(221, 163, 58, 0.1);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }
        .breadcrumb-bar a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb-bar .separator {
            color: rgba(201, 212, 227, 0.4);
        }
        .breadcrumb-bar .current {
            color: var(--accent-gold);
            font-weight: 500;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 320px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(221, 163, 58, 0.15);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 13, 16, 0.75) 0%, rgba(11, 13, 16, 0.55) 50%, rgba(26, 31, 39, 0.6) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .category-hero h1 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 42px;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.35;
            letter-spacing: 0.02em;
        }
        .category-hero .hero-desc {
            font-size: 17px;
            color: var(--cloud-silver);
            max-width: 620px;
            line-height: 1.8;
        }
        @media (max-width: 640px) {
            .category-hero {
                min-height: 240px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
        }

        /* Page Title Group */
        .page-title-group {
            margin-bottom: 40px;
        }
        .page-title-group h2 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 32px;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .page-title-group .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.8;
        }

        /* Cards */
        .info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-strong);
            transform: translateY(-4px);
        }
        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.15), rgba(140, 47, 58, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-gold);
            margin-bottom: 16px;
            border: 1px solid rgba(221, 163, 58, 0.25);
        }
        .info-card h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .info-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .info-card .card-badge {
            display: inline-block;
            font-family: 'Oswald', sans-serif;
            font-size: 28px;
            font-weight: 600;
            background: linear-gradient(135deg, #DDA33A, #C9A54D);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 8px;
        }

        /* Cover Card */
        .cover-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .cover-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-strong);
            transform: translateY(-4px);
        }
        .cover-card .cover-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .cover-card .cover-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cover-card:hover .cover-img-wrap img {
            transform: scale(1.05);
        }
        .cover-card .cover-body {
            padding: 22px 24px;
        }
        .cover-card .cover-body h3 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 19px;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .cover-card .cover-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .cover-card .cover-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(221, 163, 58, 0.12);
        }
        .cover-card .stat-num {
            font-family: 'Oswald', sans-serif;
            font-size: 22px;
            font-weight: 600;
            color: var(--accent-gold);
        }
        .cover-card .arrow-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(221, 163, 58, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            transition: var(--transition-fast);
            background: transparent;
            cursor: pointer;
        }
        .cover-card .arrow-btn:hover {
            background: rgba(221, 163, 58, 0.15);
            border-color: var(--accent-gold);
        }

        /* Feature List */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(201, 212, 227, 0.08);
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list li i {
            color: var(--accent-gold);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
            width: 18px;
            text-align: center;
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
        }
        .process-step:hover {
            transform: translateY(-3px);
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step .step-num {
            font-family: 'Oswald', sans-serif;
            font-size: 40px;
            font-weight: 600;
            background: linear-gradient(135deg, #DDA33A, #C9A54D);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: block;
            margin-bottom: 8px;
            line-height: 1;
        }
        .process-step h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-left: 3px solid rgba(221, 163, 58, 0.5);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-left-color: var(--accent-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 15px;
            transition: var(--transition-fast);
            color: var(--accent-gold);
        }
        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 20px 18px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 100%);
            background-image: radial-gradient(ellipse at 50% 50%, rgba(221, 163, 58, 0.08) 0%, transparent 60%);
            border-top: 1px solid rgba(221, 163, 58, 0.2);
            border-bottom: 1px solid rgba(221, 163, 58, 0.2);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 34px;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 640px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
        }

        /* Footer */
        .site-footer {
            background: #07090B;
            border-top: 1px solid rgba(221, 163, 58, 0.2);
            padding: 60px 0 0 0;
            margin-top: 0;
        }
        .site-footer .container {
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 14px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            font-family: 'Noto Serif SC', serif;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 20px 0;
            border-top: 1px solid rgba(201, 212, 227, 0.1);
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-bottom .copyright {
            font-weight: 500;
        }
        .legal-links {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--text-secondary);
        }
        .legal-links a:hover {
            color: var(--accent-gold);
        }
        .footer-icp {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(155, 163, 176, 0.7);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                text-align: center;
            }
            .legal-links, .footer-icp {
                justify-content: center;
            }
        }

        /* Misc utilities */
        .text-gold {
            color: var(--accent-gold);
        }
        .text-muted {
            color: var(--text-secondary);
        }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 32px; }

        /* Grid spacing for Foundation */
        .grid-x.gap-24 {
            gap: 24px;
        }
        .grid-x.gap-20 {
            gap: 20px;
        }
        @media (max-width: 640px) {
            .grid-x.gap-24, .grid-x.gap-20 {
                gap: 16px;
            }
        }

        /* Responsive nav */
        @media (max-width: 1024px) {
            .site-header {
                height: 64px;
            }
            .brand-text {
                font-size: 18px;
            }
            .nav-icon-item {
                padding: 6px 10px;
                font-size: 12px;
            }
            .nav-icon-item i {
                font-size: 14px;
                width: 16px;
            }
            .desktop-nav {
                gap: 2px;
            }
        }
        @media (max-width: 640px) {
            .site-header {
                height: 60px;
            }
            .brand-symbol {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }
            .brand-text {
                font-size: 16px;
            }
            .nav-icon-item span {
                display: none;
            }
            .nav-icon-item {
                padding: 8px 10px;
            }
            .nav-icon-item i {
                font-size: 18px;
                width: 20px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0D10;
            --bg-secondary: #1A1F27;
            --bg-card: rgba(20, 23, 29, 0.82);
            --text-primary: #E6E8EC;
            --text-secondary: #9BA3B0;
            --text-accent: #DDA33A;
            --accent-gold: #DDA33A;
            --accent-red: #8C2F3A;
            --cloud-silver: #C9D4E3;
            --border-gold: rgba(221, 163, 58, 0.22);
            --border-gold-strong: rgba(221, 163, 58, 0.55);
            --radius-xl: 32px;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 28px 56px rgba(0, 0, 0, 0.65);
            --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-fast: all 0.2s ease;
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-numeric: 'Oswald', 'Noto Sans SC', sans-serif;
        }

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

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

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

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        .section-padding {
            padding: 90px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            font-weight: 500;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            margin-right: 10px;
        }

        .section-title-group {
            margin-bottom: 48px;
        }

        .section-title {
            font-family: var(--font-title);
            font-weight: 900;
            font-size: 36px;
            line-height: 1.35;
            color: var(--text-primary);
            margin: 0 0 12px 0;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            font-size: 16px;
            padding: 14px 32px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            line-height: 1.4;
            font-family: var(--font-body);
        }

        .btn-primary {
            background: linear-gradient(135deg, #DDA33A 0%, #B8862D 100%);
            color: #0B0D10;
            box-shadow: 0 8px 28px rgba(221, 163, 58, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(221, 163, 58, 0.5);
            color: #0B0D10;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-gold-strong);
            box-shadow: none;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.1);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(201, 212, 227, 0.4);
            color: var(--cloud-silver);
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.08);
        }

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

        .btn-lg {
            padding: 18px 40px;
            font-size: 18px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(221, 163, 58, 0.25);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-symbol {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-size: 18px;
            font-weight: 900;
            font-family: var(--font-numeric);
        }

        .brand-text {
            font-family: var(--font-title);
            font-weight: 900;
            font-size: 22px;
            letter-spacing: 0.04em;
            color: var(--text-primary);
        }

        .brand-text .gold-dot {
            color: var(--accent-gold);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-icon-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .nav-icon-item i {
            font-size: 15px;
            width: 18px;
            text-align: center;
        }

        .nav-icon-item:hover {
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.08);
            border-color: rgba(221, 163, 58, 0.3);
            transform: translateY(-1px);
        }

        .nav-icon-item.active {
            color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.12);
            border-color: rgba(221, 163, 58, 0.45);
            font-weight: 600;
        }

        .mobile-nav-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: rgba(11, 13, 16, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(221, 163, 58, 0.3);
            padding: 8px 6px;
            padding-bottom: max(8px, env(safe-area-inset-bottom));
        }

        .mobile-nav-bar .nav-icon-item {
            flex-direction: column;
            gap: 3px;
            font-size: 10px;
            padding: 6px 4px;
            border-radius: 10px;
            min-width: 52px;
            text-align: center;
            white-space: nowrap;
        }

        .mobile-nav-bar .nav-icon-item i {
            font-size: 16px;
        }

        .mobile-nav-bar .nav-icon-item span {
            font-size: 9px;
            line-height: 1.2;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center center;
            border-bottom: 1px solid rgba(221, 163, 58, 0.2);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 13, 16, 0.55) 0%, rgba(11, 13, 16, 0.72) 55%, rgba(11, 13, 16, 0.88) 100%);
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--accent-gold);
            font-size: 12px;
        }

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

        .category-hero h1 {
            font-family: var(--font-title);
            font-weight: 900;
            font-size: 42px;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 12px 0;
            letter-spacing: 0.03em;
        }

        .category-hero .hero-sub {
            font-size: 17px;
            color: var(--cloud-silver);
            max-width: 620px;
            line-height: 1.7;
            opacity: 0.9;
        }

        /* Feature/Highlight Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
            opacity: 0;
            transition: var(--transition-base);
        }

        .feature-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(221, 163, 58, 0.15), rgba(140, 47, 58, 0.15));
            border: 1px solid rgba(221, 163, 58, 0.3);
            color: var(--accent-gold);
            font-size: 22px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin: 0 0 10px 0;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* Activity Showcase */
        .activity-showcase {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 70%);
            position: relative;
        }

        .activity-showcase::after {
            content: '';
            position: absolute;
            top: 10%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 400px;
            background: radial-gradient(ellipse at center, rgba(221, 163, 58, 0.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            position: relative;
            z-index: 2;
        }

        .activity-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .activity-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .activity-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .activity-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .activity-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
        }

        .activity-card-body {
            padding: 24px;
        }

        .activity-card-body h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            margin: 0 0 10px 0;
            line-height: 1.4;
        }

        .activity-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 18px 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .activity-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(221, 163, 58, 0.15);
        }

        .activity-stat {
            font-family: var(--font-numeric);
            font-size: 22px;
            font-weight: 600;
            color: var(--accent-gold);
            letter-spacing: 0.02em;
        }

        .activity-stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-left: 6px;
        }

        .activity-link {
            color: var(--accent-gold);
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition-fast);
        }

        .activity-link:hover {
            gap: 9px;
            color: var(--cloud-silver);
        }

        /* Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition-base);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .scenario-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .scenario-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(221, 163, 58, 0.12);
            border: 1px solid rgba(221, 163, 58, 0.35);
            color: var(--accent-gold);
            font-size: 20px;
        }

        .scenario-content h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            margin: 0 0 8px 0;
        }

        .scenario-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .step-item {
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            transition: var(--transition-base);
            position: relative;
        }

        .step-item:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #DDA33A 0%, #8C2F3A 100%);
            color: #0B0D10;
            font-family: var(--font-numeric);
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 8px 24px rgba(221, 163, 58, 0.3);
        }

        .step-item h3 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 17px;
            color: var(--text-primary);
            margin: 0 0 8px 0;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-primary);
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition-base);
            border-left: 3px solid rgba(221, 163, 58, 0.5);
        }

        .faq-item:hover {
            border-left-color: var(--accent-gold);
            border-color: var(--border-gold-strong);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.5;
            user-select: none;
            transition: var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--accent-gold);
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid rgba(221, 163, 58, 0.4);
            color: var(--accent-gold);
            font-size: 14px;
            transition: var(--transition-base);
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: rgba(221, 163, 58, 0.12);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px 24px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 100%);
            position: relative;
            overflow: hidden;
            border-top: 1px solid rgba(221, 163, 58, 0.2);
            border-bottom: 1px solid rgba(221, 163, 58, 0.2);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 500px;
            background: radial-gradient(ellipse at center, rgba(221, 163, 58, 0.1) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-family: var(--font-title);
            font-weight: 900;
            font-size: 38px;
            color: var(--text-primary);
            margin: 0 0 14px 0;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 28px 0;
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid rgba(221, 163, 58, 0.3);
            padding: 56px 0 28px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 340px;
        }

        .footer-col h4 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 16px;
            color: var(--text-primary);
            margin: 0 0 16px 0;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(221, 163, 58, 0.15);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .copyright {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .legal-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .legal-links a {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .legal-links a:hover {
            color: var(--accent-gold);
        }

        .footer-icp {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .section-padding {
                padding: 64px 0;
            }

            .section-title {
                font-size: 30px;
            }

            .category-hero h1 {
                font-size: 34px;
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .section-title {
                font-size: 26px;
            }

            .section-title-group {
                margin-bottom: 32px;
            }

            .desktop-nav {
                display: none;
            }

            .mobile-nav-bar {
                display: flex;
                align-items: center;
                justify-content: space-around;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .site-header {
                height: 60px;
            }

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

            .brand-symbol {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            body {
                padding-bottom: 70px;
            }

            .category-hero {
                min-height: 220px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-sub {
                font-size: 14px;
            }

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

            .activity-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .cta-inner h2 {
                font-size: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 22px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }

            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }

            .scenario-card {
                flex-direction: column;
                gap: 12px;
                padding: 24px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .activity-card-body {
                padding: 18px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0B0D10;
            --bg-secondary: #1A1F27;
            --bg-card: rgba(20, 23, 29, 0.82);
            --text-primary: #E6E8EC;
            --text-secondary: #9BA3B0;
            --text-accent: #DDA33A;
            --accent-gold: #DDA33A;
            --accent-red: #8C2F3A;
            --cloud-silver: #C9D4E3;
            --border-gold: rgba(221, 163, 58, 0.22);
            --border-gold-strong: rgba(221, 163, 58, 0.55);
            --radius-xl: 32px;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 28px 56px rgba(0, 0, 0, 0.65);
            --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --transition-fast: all 0.2s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
            --font-sans: 'Noto Sans SC', 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-number: 'Oswald', 'Noto Sans SC', sans-serif;
        }

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

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

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            font-weight: 500;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            margin-right: 10px;
        }

        .section-title-group {
            margin-bottom: 48px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 36px;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-top: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 16px;
            padding: 14px 32px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            line-height: 1.4;
            font-family: var(--font-sans);
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #DDA33A 0%, #B8862D 100%);
            color: #0B0D10;
            box-shadow: 0 8px 28px rgba(221, 163, 58, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(221, 163, 58, 0.5);
            color: #0B0D10;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-gold-strong);
            box-shadow: none;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(221, 163, 58, 0.12);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 18px 40px;
            font-size: 18px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(221, 163, 58, 0.25);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-symbol {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-size: 18px;
            font-weight: 900;
            font-family: var(--font-number);
        }

        .brand-text {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 22px;
            letter-spacing: 0.05em;
            color: var(--text-primary);
        }

        .gold-dot {
            color: var(--accent-gold);
            margin-left: 2px;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-icon-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-icon-item i {
            font-size: 15px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .nav-icon-item:hover {
            background: rgba(221, 163, 58, 0.1);
            color: var(--accent-gold);
            border-color: var(--border-gold);
            transform: translateY(-1px);
        }

        .nav-icon-item:hover i {
            color: var(--accent-gold);
        }

        .nav-icon-item.active {
            background: rgba(221, 163, 58, 0.15);
            color: var(--accent-gold);
            border-color: var(--border-gold-strong);
        }

        .nav-icon-item.active i {
            color: var(--accent-gold);
        }

        .category-hero {
            position: relative;
            min-height: 380px;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(11, 13, 16, 0.72) 0%, rgba(26, 31, 39, 0.85) 60%, rgba(11, 13, 16, 0.92) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

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

        .breadcrumb .separator {
            color: var(--accent-gold);
            font-size: 12px;
        }

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

        .category-hero h1 {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 52px;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .category-hero h1 .highlight-text {
            background: linear-gradient(135deg, #DDA33A, #C9D4E3);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero .hero-subtitle {
            font-size: 18px;
            color: var(--cloud-silver);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-badges {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            background: rgba(20, 23, 29, 0.75);
            border: 1px solid var(--border-gold);
            backdrop-filter: blur(6px);
        }

        .hero-badge .badge-number {
            font-family: var(--font-number);
            font-size: 24px;
            font-weight: 600;
            color: var(--accent-gold);
        }

        .hero-badge .badge-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #DDA33A, #8C2F3A);
            opacity: 0;
            transition: var(--transition-base);
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-strong);
        }

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

        .service-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(221, 163, 58, 0.12);
            border: 1px solid var(--border-gold);
            margin-bottom: 18px;
            font-size: 22px;
            color: var(--accent-gold);
        }

        .service-card h3 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .service-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }

        .service-link i {
            font-size: 12px;
            transition: var(--transition-base);
        }

        .service-link:hover i {
            transform: translateX(3px);
        }

        .scenario-section {
            background: linear-gradient(135deg, #1A1F27 0%, #0B0D10 100%);
            position: relative;
        }

        .scenario-section::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(221, 163, 58, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .scenario-item {
            display: flex;
            gap: 20px;
            padding: 26px;
            background: rgba(20, 23, 29, 0.7);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(221, 163, 58, 0.15);
            transition: var(--transition-base);
        }

        .scenario-item:hover {
            border-color: var(--border-gold-strong);
            background: rgba(20, 23, 29, 0.9);
        }

        .scenario-number {
            font-family: var(--font-number);
            font-size: 32px;
            font-weight: 600;
            color: var(--accent-gold);
            line-height: 1;
            flex-shrink: 0;
            min-width: 40px;
        }

        .scenario-content h4 {
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-serif);
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .scenario-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .process-section {
            position: relative;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .process-step {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
        }

        .process-step:hover {
            transform: translateY(-4px);
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #DDA33A, #8C2F3A);
            color: #0B0D10;
            font-family: var(--font-number);
            font-size: 20px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            font-family: var(--font-serif);
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .data-section {
            background: linear-gradient(135deg, #0B0D10 0%, #1A1F27 100%);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-item {
            text-align: center;
            padding: 32px 20px;
            background: rgba(20, 23, 29, 0.7);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            transition: var(--transition-base);
        }

        .data-item:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .data-number {
            font-family: var(--font-number);
            font-size: 48px;
            font-weight: 600;
            background: linear-gradient(135deg, #DDA33A 0%, #C9D4E3 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
        }

        .faq-section {
            background: var(--bg-primary);
        }

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

        .faq-item {
            background: rgba(20, 23, 29, 0.7);
            border: 1px solid rgba(221, 163, 58, 0.18);
            border-left: 3px solid var(--accent-gold);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-gold-strong);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition-base);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--accent-gold);
        }

        .faq-icon {
            font-size: 18px;
            color: var(--accent-gold);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 22px 20px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .cta-section {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 31, 39, 0.95) 0%, rgba(11, 13, 16, 0.98) 100%);
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 500px;
            background: radial-gradient(ellipse, rgba(221, 163, 58, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }

        .cta-inner h2 {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 40px;
            line-height: 1.25;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .cta-inner p {
            font-size: 17px;
            color: var(--cloud-silver);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

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

        .cta-form {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .cta-input {
            background: rgba(11, 13, 16, 0.8);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-pill);
            padding: 14px 24px;
            font-size: 15px;
            color: var(--text-primary);
            width: 300px;
            font-family: var(--font-sans);
            transition: var(--transition-base);
        }

        .cta-input::placeholder {
            color: var(--text-secondary);
            opacity: 0.7;
        }

        .cta-input:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(221, 163, 58, 0.2);
        }

        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid rgba(221, 163, 58, 0.25);
            padding: 60px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-area {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-serif);
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(221, 163, 58, 0.15);
        }

        .copyright {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .legal-links {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
        }

        .legal-links a {
            color: var(--text-secondary);
        }

        .legal-links a:hover {
            color: var(--accent-gold);
        }

        .legal-links span {
            color: rgba(201, 212, 227, 0.3);
        }

        .footer-icp {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 12px;
            color: rgba(155, 163, 176, 0.6);
        }

        @media screen and (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .category-hero h1 {
                font-size: 40px;
            }

            .section-title {
                font-size: 30px;
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

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

            .desktop-nav {
                gap: 2px;
            }

            .nav-icon-item {
                padding: 8px 10px;
                font-size: 12px;
            }

            .nav-icon-item i {
                font-size: 13px;
            }
        }

        @media screen and (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .site-header {
                height: auto;
                padding: 12px 0;
                position: relative;
            }

            .site-header .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .desktop-nav {
                display: flex;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                width: 100%;
                gap: 6px;
                padding-bottom: 4px;
            }

            .nav-icon-item {
                flex-shrink: 0;
                font-size: 12px;
                padding: 7px 12px;
            }

            .category-hero {
                min-height: 300px;
            }

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

            .category-hero .hero-subtitle {
                font-size: 15px;
            }

            .section-title {
                font-size: 26px;
            }

            .section-subtitle {
                font-size: 15px;
            }

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

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .data-number {
                font-size: 36px;
            }

            .cta-inner h2 {
                font-size: 28px;
            }

            .cta-actions {
                flex-direction: column;
                gap: 12px;
            }

            .cta-input {
                width: 100%;
                max-width: 300px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-icp {
                flex-direction: column;
                gap: 4px;
            }
        }