/* roulang page: index */
:root {
            --primary: #FF4D2E;
            --secondary: #FF7A45;
            --accent: #FFB800;
            --darkbg: #0C0E12;
            --lightbg: #F7F6F2;
            --ink: #16181D;
            --muted: #6E7280;
            --line: #E5E4DE;
            --darkline: #262B36;
            --carddark: #1A1E26;
            --gradient-primary: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            --radius-sm: 6px;
            --radius-md: 12px;
            --shadow-card: 0 2px 12px rgba(12, 14, 18, 0.06);
            --shadow-hover: 0 8px 28px rgba(255, 77, 46, 0.12);
            --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--ink);
            background: var(--lightbg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-bottom: 76px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        button {
            cursor: pointer;
            transition: all var(--transition-base);
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 720px;
            margin: 0 auto;
        }
        .section-padding {
            padding: 88px 0;
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .text-gradient-primary {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-gradient-primary {
            background: var(--gradient-primary);
        }
        .card-hover {
            transition: all var(--transition-base);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.25);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #e83a1e 0%, #f26b38 100%);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .nav-link {
            color: #9CA0AA;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition-base);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .header-nav {
            background: rgba(12, 14, 18, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: all var(--transition-base);
        }
        .header-nav.scrolled {
            background: rgba(12, 14, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .lang-capsule {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #E5E7EB;
            font-size: 13px;
            font-weight: 500;
            background: transparent;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .lang-capsule:hover {
            border-color: var(--primary);
            background: rgba(255, 77, 46, 0.1);
            color: #fff;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin-top: 8px;
        }
        .section-title-light {
            color: #fff;
        }
        .card-default {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .card-default:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 77, 46, 0.1);
            color: var(--primary);
        }
        .tag-chip-accent {
            background: rgba(255, 184, 0, 0.15);
            color: #D49400;
        }
        .divider {
            height: 1px;
            background: var(--line);
            border: none;
            margin: 0;
        }
        .divider-dark {
            background: var(--darkline);
        }
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--gradient-primary);
            color: #fff;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(255, 77, 46, 0.3);
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--ink);
            user-select: none;
            transition: color var(--transition-base);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 77, 46, 0.1);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
            padding-left: 40px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }
        .hero-animation {
            animation: fadeInUp 700ms ease forwards;
            opacity: 0;
        }
        .hero-animation:nth-child(1) {
            animation-delay: 80ms;
        }
        .hero-animation:nth-child(2) {
            animation-delay: 160ms;
        }
        .hero-animation:nth-child(3) {
            animation-delay: 240ms;
        }
        .hero-animation:nth-child(4) {
            animation-delay: 320ms;
        }
        .hero-animation:nth-child(5) {
            animation-delay: 400ms;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .data-number {
            font-variant-numeric: tabular-nums;
            font-feature-settings: "tnum";
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        .icon-matrix-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-base);
            color: #fff;
        }
        .icon-matrix-item:hover {
            background: rgba(255, 77, 46, 0.12);
            border-color: rgba(255, 77, 46, 0.4);
            transform: translateY(-3px);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--darkbg);
            z-index: 99;
            padding: 16px 24px 24px;
            border-bottom: 1px solid var(--darkline);
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        @media (max-width: 1023px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: inline-flex !important;
            }
        }
        @media (min-width: 1024px) {
            .hamburger {
                display: none !important;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .container-main {
                padding: 0 16px;
            }
            .fixed-bottom-bar {
                flex-direction: column;
                padding: 12px 16px;
                gap: 10px;
                text-align: center;
            }
            .fixed-bottom-bar .btn-primary {
                width: 100%;
                justify-content: center;
            }
            body {
                padding-bottom: 110px;
            }
            .header-nav {
                height: 56px;
            }
            .mobile-menu {
                top: 56px;
                max-height: calc(100vh - 56px);
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF4D2E;
            --secondary: #FF7A45;
            --accent: #FFB800;
            --darkbg: #0C0E12;
            --lightbg: #F7F6F2;
            --ink: #16181D;
            --muted: #6E7280;
            --line: #E5E4DE;
            --darkline: #262B36;
            --carddark: #1A1E26;
            --gradient-primary: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            --radius-sm: 6px;
            --radius-md: 12px;
            --shadow-card: 0 2px 12px rgba(12, 14, 18, 0.06);
            --shadow-hover: 0 8px 28px rgba(255, 77, 46, 0.12);
            --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--ink);
            background: var(--lightbg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-bottom: 76px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        button {
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 720px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .text-gradient-primary {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .card-hover {
            transition: all var(--transition-base);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.25);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #e83a1e 0%, #f26b38 100%);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .nav-link {
            color: #9CA0AA;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition-base);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .header-nav {
            background: rgba(12, 14, 18, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: all var(--transition-base);
        }
        .header-nav.scrolled {
            background: rgba(12, 14, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin-top: 8px;
        }
        .section-title-light {
            color: #fff;
        }
        .card-default {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .card-default:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 77, 46, 0.1);
            color: var(--primary);
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .lang-capsule {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            background: transparent;
            transition: all var(--transition-base);
        }
        .lang-capsule:hover {
            border-color: var(--primary);
            background: rgba(255, 77, 46, 0.1);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 24px;
            line-height: 1;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-menu {
            display: none;
            background: rgba(12, 14, 18, 0.98);
            border-bottom: 1px solid var(--darkline);
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            z-index: 99;
            padding: 16px 24px;
            transform: translateY(-100%);
            opacity: 0;
            pointer-events: none;
            transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--gradient-primary);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(255, 77, 46, 0.35);
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: all var(--transition-base);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 16px;
            color: var(--ink);
            cursor: pointer;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 77, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 280ms cubic-bezier(0.4, 0, 0.2, 1);
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 0 20px 0;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .rank-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .rank-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .rank-number.top1 {
            background: var(--accent);
            color: #1a1a00;
        }
        .rank-number.top2 {
            background: #c0c0c0;
            color: #2a2a2a;
        }
        .rank-number.top3 {
            background: #cd7f32;
            color: #fff;
        }
        .rank-number.other {
            background: rgba(255, 77, 46, 0.08);
            color: var(--primary);
        }
        .streamer-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .streamer-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .streamer-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .streamer-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        .streamer-card:hover .streamer-cover img {
            transform: scale(1.05);
        }
        .streamer-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 14, 18, 0.4) 0%, transparent 40%);
        }
        .live-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            z-index: 1;
            letter-spacing: 0.5px;
        }
        .hero-overlay {
            background: linear-gradient(135deg, rgba(12, 14, 18, 0.88) 0%, rgba(12, 14, 18, 0.55) 50%, rgba(12, 14, 18, 0.35) 100%);
        }
        .stat-number {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.01em;
        }
        .form-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            font-size: 14px;
            outline: none;
            transition: all var(--transition-base);
            background: #fff;
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
        }
        .breadcrumb-link {
            color: var(--muted);
            font-size: 13px;
            transition: color var(--transition-base);
        }
        .breadcrumb-link:hover {
            color: var(--primary);
        }
        @media (max-width: 1023px) {
            .desktop-nav {
                display: none !important;
            }
            .hamburger {
                display: inline-flex;
            }
            .section-title {
                font-size: 26px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .stat-number {
                font-size: 28px;
            }
        }
        @media (max-width: 767px) {
            .section-title {
                font-size: 22px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .fixed-bottom-cta {
                flex-direction: column;
                text-align: center;
                padding: 10px 16px;
                gap: 8px;
            }
            .fixed-bottom-cta .btn-primary {
                width: 100%;
                justify-content: center;
                padding: 10px 16px;
                font-size: 14px;
            }
            body {
                padding-bottom: 100px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-menu {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF4D2E;
            --secondary: #FF7A45;
            --accent: #FFB800;
            --darkbg: #0C0E12;
            --lightbg: #F7F6F2;
            --ink: #16181D;
            --muted: #6E7280;
            --line: #E5E4DE;
            --darkline: #262B36;
            --carddark: #1A1E26;
            --gradient-primary: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            --radius-sm: 6px;
            --radius-md: 12px;
            --shadow-card: 0 2px 12px rgba(12, 14, 18, 0.06);
            --shadow-hover: 0 8px 28px rgba(255, 77, 46, 0.12);
            --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--ink);
            background: var(--lightbg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-bottom: 76px;
        }

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

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

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

        button {
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 720px;
            margin: 0 auto;
        }

        .section-padding {
            padding: 88px 0;
        }

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

        .section-padding-lg {
            padding: 104px 0;
        }

        .card-hover {
            transition: all var(--transition-base);
        }

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

        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.25);
            cursor: pointer;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #e83a1e 0%, #f26b38 100%);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .nav-link {
            color: #9CA0AA;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition-base);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            width: 100%;
        }

        .header-nav {
            background: rgba(12, 14, 18, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: all var(--transition-base);
        }
        .header-nav.scrolled {
            background: rgba(12, 14, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin-top: 8px;
        }
        .section-title-light {
            color: #fff;
        }

        .card-default {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .card-default:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 77, 46, 0.08);
            color: var(--primary);
            transition: all var(--transition-base);
        }
        .tag-chip:hover {
            background: var(--primary);
            color: #fff;
        }

        .lang-capsule {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #9CA0AA;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .lang-capsule:hover {
            border-color: var(--primary);
            color: #fff;
        }

        .hamburger {
            color: #fff;
            font-size: 24px;
            line-height: 1;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(12, 14, 18, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 99;
            padding: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-direction: column;
            gap: 16px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: #fff;
            font-size: 16px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition-base);
        }
        .mobile-menu a:hover {
            color: var(--primary);
        }
        .mobile-menu a.active {
            color: var(--primary);
        }

        .hero-category {
            min-height: 50vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-3.webp') center center/cover no-repeat;
            overflow: hidden;
            padding-top: 64px;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 14, 18, 0.9) 0%, rgba(12, 14, 18, 0.6) 60%, rgba(12, 14, 18, 0.35) 100%);
            z-index: 1;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: #fff;
        }

        .streamer-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .streamer-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .streamer-card .streamer-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .streamer-card .streamer-body {
            padding: 20px;
        }
        .streamer-card .streamer-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .streamer-card .streamer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .streamer-card .streamer-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .streamer-card .btn-enter {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 77, 46, 0.08);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .streamer-card .btn-enter:hover {
            background: var(--primary);
            color: #fff;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            margin-bottom: 10px;
        }
        .ranking-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
        }
        .ranking-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            min-width: 48px;
            text-align: center;
        }
        .ranking-number.top1 {
            font-size: 34px;
            color: var(--primary);
        }
        .ranking-number.top2 {
            color: var(--secondary);
        }
        .ranking-number.top3 {
            color: var(--accent);
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            user-select: none;
            transition: all var(--transition-base);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-icon {
            font-size: 20px;
            color: var(--primary);
            font-weight: 700;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
            background: #FAF9F7;
        }
        .faq-answer-content {
            padding: 0 24px 18px 60px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--gradient-primary);
            color: #fff;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }

        .desktop-nav {
            display: flex;
        }

        .lang-capsule-desktop {
            display: flex;
        }

        @media (max-width: 1024px) {
            .section-padding {
                padding: 64px 0;
            }
            .section-padding-lg {
                padding: 80px 0;
            }
            .section-title {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .lang-capsule-desktop {
                display: none;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-category {
                min-height: 45vh;
            }
            .hero-category .hero-content {
                padding: 56px 0;
            }
            .fixed-cta-bar {
                flex-direction: column;
                padding: 10px 16px;
                gap: 10px;
            }
            .fixed-cta-bar .cta-text {
                font-size: 13px;
                text-align: center;
            }
            .fixed-cta-bar .btn-primary {
                width: 100%;
                justify-content: center;
                padding: 10px 16px;
                font-size: 14px;
            }
            body {
                padding-bottom: 110px;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding: 0 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-title::after {
                width: 36px;
                height: 3px;
            }
            .ranking-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }
            .ranking-number {
                font-size: 24px;
                min-width: auto;
            }
            .faq-answer-content {
                padding: 0 16px 14px 16px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .streamer-card .streamer-img {
                height: 160px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF4D2E;
            --secondary: #FF7A45;
            --accent: #FFB800;
            --darkbg: #0C0E12;
            --lightbg: #F7F6F2;
            --ink: #16181D;
            --muted: #6E7280;
            --line: #E5E4DE;
            --darkline: #262B36;
            --carddark: #1A1E26;
            --gradient-primary: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            --radius-sm: 6px;
            --radius-md: 12px;
            --shadow-card: 0 2px 12px rgba(12, 14, 18, 0.06);
            --shadow-hover: 0 8px 28px rgba(255, 77, 46, 0.12);
            --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--ink);
            background: var(--lightbg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-bottom: 76px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button, input, textarea {
            font-family: inherit;
        }
        button {
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 720px;
            margin: 0 auto;
        }
        .section-padding {
            padding: 88px 0;
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .text-gradient-primary {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .card-hover {
            transition: all var(--transition-base);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.25);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #e83a1e 0%, #f26b38 100%);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .nav-link {
            color: #9CA0AA;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition-base);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .header-nav {
            background: rgba(12, 14, 18, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: all var(--transition-base);
        }
        .header-nav.scrolled {
            background: rgba(12, 14, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin-top: 8px;
        }
        .section-title-light {
            color: #fff;
        }
        .card-default {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .card-default:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 77, 46, 0.1);
            color: var(--primary);
            white-space: nowrap;
        }
        .tag-chip-dark {
            background: rgba(255, 122, 69, 0.15);
            color: var(--secondary);
        }
        .hero-overlay {
            background: linear-gradient(135deg, rgba(12,14,18,0.88) 0%, rgba(12,14,18,0.55) 100%);
            position: absolute;
            inset: 0;
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .category-hero {
            min-height: 40vh;
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
            padding-top: 96px;
            padding-bottom: 40px;
        }
        .rank-number {
            font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
            font-weight: 700;
            font-size: 28px;
            color: var(--accent);
        }
        .stat-number {
            font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
            font-weight: 700;
            font-size: 36px;
            color: var(--primary);
        }
        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--secondary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--ink);
            user-select: none;
            gap: 16px;
        }
        .faq-question .faq-icon {
            transition: transform 250ms ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 280ms ease;
            background: #FAFAF8;
        }
        .faq-answer-inner {
            padding: 16px 24px 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .hamburger {
            display: none;
            color: #fff;
            font-size: 24px;
            line-height: 1;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            border-radius: var(--radius-sm);
        }
        .hamburger:hover {
            background: rgba(255,255,255,0.1);
        }
        .mobile-menu {
            display: none;
            background: rgba(12, 14, 18, 0.98);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            z-index: 99;
            padding: 16px 24px 24px;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu .nav-link {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: #E5E4DE;
            border-bottom: 1px solid var(--darkline);
        }
        .mobile-menu .nav-link:hover,
        .mobile-menu .nav-link.active {
            color: var(--primary);
        }
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--gradient-primary);
            color: #fff;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
        }
        .fixed-bottom-bar p {
            margin: 0;
            font-weight: 500;
            font-size: 15px;
        }
        .fixed-bottom-bar .btn-bottom {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: none;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .fixed-bottom-bar .btn-bottom:hover {
            background: #FFE8E0;
            color: #D63A1C;
        }
        @media (max-width: 1023px) {
            .desktop-nav {
                display: none !important;
            }
            .hamburger {
                display: inline-flex;
            }
            .section-title {
                font-size: 28px;
            }
            .section-padding {
                padding: 64px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
        }
        @media (max-width: 767px) {
            .container-main {
                padding: 0 16px;
            }
            .section-title {
                font-size: 24px;
            }
            .fixed-bottom-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 10px;
                padding: 12px 16px;
            }
            .fixed-bottom-bar .btn-bottom {
                width: 100%;
            }
            .category-hero {
                min-height: 36vh;
                padding-top: 80px;
                padding-bottom: 32px;
            }
            .stat-number {
                font-size: 28px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #FF4D2E;
            --secondary: #FF7A45;
            --accent: #FFB800;
            --darkbg: #0C0E12;
            --lightbg: #F7F6F2;
            --ink: #16181D;
            --muted: #6E7280;
            --line: #E5E4DE;
            --darkline: #262B36;
            --carddark: #1A1E26;
            --gradient-primary: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            --radius-sm: 6px;
            --radius-md: 12px;
            --shadow-card: 0 2px 12px rgba(12, 14, 18, 0.06);
            --shadow-hover: 0 8px 28px rgba(255, 77, 46, 0.12);
            --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--ink);
            background: var(--lightbg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-bottom: 76px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        button {
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 720px;
            margin: 0 auto;
        }
        .section-padding {
            padding: 88px 0;
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .text-gradient-primary {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .card-hover {
            transition: all var(--transition-base);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.25);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #e83a1e 0%, #f26b38 100%);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-secondary {
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .nav-link {
            color: #9CA0AA;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition-base);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .header-nav {
            background: rgba(12, 14, 18, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: all var(--transition-base);
        }
        .header-nav.scrolled {
            background: rgba(12, 14, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin-top: 8px;
        }
        .section-title-light {
            color: #fff;
        }
        .card-default {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .card-default:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 77, 46, 0.08);
            color: var(--primary);
            transition: all var(--transition-base);
        }
        .tag-chip:hover {
            background: rgba(255, 77, 46, 0.15);
            color: var(--primary);
        }
        .tag-chip-dark {
            background: rgba(255, 77, 46, 0.2);
            color: #FF7A45;
        }
        .lang-capsule {
            background: transparent;
            color: #9CA0AA;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
        }
        .lang-capsule:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .hamburger {
            display: none;
        }
        .mobile-drawer {
            display: none;
        }
        .hero-overlay {
            background: linear-gradient(135deg, rgba(12, 14, 18, 0.85) 0%, rgba(12, 14, 18, 0.55) 45%, rgba(12, 14, 18, 0.35) 100%);
            position: absolute;
            inset: 0;
        }
        .rank-number {
            font-family: 'Courier New', monospace;
            font-weight: 700;
            font-size: 28px;
            color: var(--accent);
            line-height: 1;
        }
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, rgba(12, 14, 18, 0.97) 0%, rgba(26, 30, 38, 0.97) 100%);
            border-top: 1px solid var(--darkline);
            z-index: 90;
            padding: 12px 0;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            color: var(--ink);
            user-select: none;
            transition: all var(--transition-base);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(255, 77, 46, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 16px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid var(--line);
            padding-top: 12px;
        }
        .streamer-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .streamer-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .streamer-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .rank-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            margin-bottom: 8px;
            transition: all var(--transition-base);
        }
        .rank-row:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }
        @media (max-width: 1023px) {
            .section-padding {
                padding: 64px 0;
            }
            .section-title {
                font-size: 27px;
            }
        }
        @media (max-width: 767px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(12, 14, 18, 0.98);
                z-index: 99;
                transform: translateX(100%);
                transition: transform 250ms ease;
                padding: 24px;
                overflow-y: auto;
            }
            .mobile-drawer.open {
                transform: translateX(0);
            }
            .mobile-drawer .nav-link {
                display: block;
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                color: #E5E4DE;
            }
            .mobile-drawer .nav-link.active {
                color: var(--primary);
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .fixed-cta-bar .btn-primary {
                padding: 10px 20px;
                font-size: 13px;
            }
            .fixed-cta-bar p {
                font-size: 13px;
            }
            .hero-title {
                font-size: 28px !important;
            }
            .hero-sub {
                font-size: 15px !important;
            }
        }
        @media (max-width: 520px) {
            .container-main {
                padding: 0 16px;
            }
            .fixed-cta-bar .btn-primary {
                padding: 10px 16px;
                font-size: 12px;
                white-space: nowrap;
            }
            .fixed-cta-bar p {
                font-size: 12px;
            }
            .streamer-card img {
                height: 150px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #FF4D2E;
            --secondary: #FF7A45;
            --accent: #FFB800;
            --darkbg: #0C0E12;
            --lightbg: #F7F6F2;
            --ink: #16181D;
            --muted: #6E7280;
            --line: #E5E4DE;
            --darkline: #262B36;
            --carddark: #1A1E26;
            --gradient-primary: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            --radius-sm: 6px;
            --radius-md: 12px;
            --shadow-card: 0 2px 12px rgba(12, 14, 18, 0.06);
            --shadow-hover: 0 8px 28px rgba(255, 77, 46, 0.12);
            --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--ink);
            background: var(--lightbg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-bottom: 76px;
        }

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

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

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

        button {
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 720px;
            margin: 0 auto;
        }

        .section-padding {
            padding: 88px 0;
        }

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

        .text-gradient-primary {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .card-hover {
            transition: all var(--transition-base);
        }

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

        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #e83a1e 0%, #f26b38 100%);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .nav-link {
            color: #9CA0AA;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition-base);
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .header-nav {
            background: rgba(12, 14, 18, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: all var(--transition-base);
        }

        .header-nav.scrolled {
            background: rgba(12, 14, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin-top: 8px;
        }

        .section-title-light {
            color: #fff;
        }

        .card-default {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 77, 46, 0.08);
            color: var(--primary);
            transition: all var(--transition-base);
        }

        .tag-chip:hover {
            background: rgba(255, 77, 46, 0.15);
        }

        .lang-capsule {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            background: transparent;
            transition: all var(--transition-base);
        }

        .lang-capsule:hover {
            border-color: var(--primary);
            background: rgba(255, 77, 46, 0.1);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            line-height: 1;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(12, 14, 18, 0.98);
            z-index: 99;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            font-size: 18px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: #C8CAD2;
        }

        .mobile-menu .nav-link.active {
            color: var(--primary);
        }

        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--gradient-primary);
            color: #fff;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -4px 24px rgba(255, 77, 46, 0.3);
        }

        .fixed-bottom-bar .cta-text {
            font-size: 14px;
            font-weight: 500;
            line-height: 1.4;
        }

        .fixed-bottom-bar .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: none;
            white-space: nowrap;
            font-size: 14px;
            transition: all var(--transition-base);
        }

        .fixed-bottom-bar .btn-white:hover {
            background: #ffe8e0;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            transition: color var(--transition-base);
        }

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

        .faq-question .faq-icon {
            font-size: 22px;
            font-weight: 300;
            color: var(--muted);
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .faq-answer-inner {
            padding: 0 0 20px 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .anchor-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .anchor-cover {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .anchor-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

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

        .anchor-cover .live-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }

        .rank-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            min-width: 48px;
            text-align: center;
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.1;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-cat {
            min-height: 44vh;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 120px 0 60px;
            margin-top: 0;
        }

        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(155deg, rgba(12, 14, 18, 0.9) 0%, rgba(12, 14, 18, 0.55) 50%, rgba(12, 14, 18, 0.35) 100%);
        }

        .hero-cat .hero-content {
            position: relative;
            z-index: 1;
        }

        .hero-cat h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 16px;
        }

        .hero-cat p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            line-height: 1.7;
        }

        .breadcrumb-bar {
            background: var(--darkbg);
            border-bottom: 1px solid var(--darkline);
            padding: 10px 0;
            font-size: 13px;
            color: #9CA0AA;
        }

        .breadcrumb-bar a {
            color: #9CA0AA;
            transition: color var(--transition-base);
        }

        .breadcrumb-bar a:hover {
            color: var(--primary);
        }

        .breadcrumb-bar .separator {
            margin: 0 8px;
            color: #4A4F5A;
        }

        .dark-section {
            background: var(--darkbg);
            color: #fff;
        }

        .dark-section .section-title {
            color: #fff;
        }

        .dark-card {
            background: var(--carddark);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-base);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .dark-card:hover {
            border-color: rgba(255, 77, 46, 0.4);
            transform: translateY(-4px);
        }

        @media (max-width: 1023px) {
            .desktop-nav {
                display: none !important;
            }

            .hamburger {
                display: inline-flex;
            }

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

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

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

            .stat-number {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            .container-main {
                padding: 0 16px;
            }

            .hero-cat {
                min-height: 36vh;
                padding: 100px 0 40px;
            }

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

            .hero-cat p {
                font-size: 14px;
            }

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

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

            .section-title::after {
                width: 36px;
                height: 3px;
            }

            .fixed-bottom-bar {
                padding: 10px 16px;
                flex-direction: column;
                text-align: center;
            }

            .fixed-bottom-bar .btn-white {
                width: 100%;
                text-align: center;
                justify-content: center;
            }

            .stat-number {
                font-size: 28px;
            }

            .rank-number {
                font-size: 28px;
                min-width: 36px;
            }

            .lang-capsule {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero-cat h1 {
                font-size: 24px;
            }

            .hero-cat p {
                font-size: 13px;
            }

            .btn-primary,
            .btn-secondary,
            .btn-outline-light {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #FF4D2E;
            --secondary: #FF7A45;
            --accent: #FFB800;
            --darkbg: #0C0E12;
            --lightbg: #F7F6F2;
            --ink: #16181D;
            --muted: #6E7280;
            --line: #E5E4DE;
            --darkline: #262B36;
            --carddark: #1A1E26;
            --gradient-primary: linear-gradient(135deg, #FF4D2E 0%, #FF7A45 100%);
            --radius-sm: 6px;
            --radius-md: 12px;
            --shadow-card: 0 2px 12px rgba(12, 14, 18, 0.06);
            --shadow-hover: 0 8px 28px rgba(255, 77, 46, 0.12);
            --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--ink);
            background: var(--lightbg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-bottom: 76px;
        }

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

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

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

        button {
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 720px;
            margin: 0 auto;
        }

        .section-padding {
            padding: 88px 0;
        }

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

        .text-gradient-primary {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .card-hover {
            transition: all var(--transition-base);
        }

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

        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 77, 46, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #e83a1e 0%, #f26b38 100%);
            box-shadow: 0 8px 28px rgba(255, 77, 46, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .nav-link {
            color: #9CA0AA;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition-base);
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .header-nav {
            background: rgba(12, 14, 18, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: all var(--transition-base);
        }

        .header-nav.scrolled {
            background: rgba(12, 14, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin-top: 8px;
        }

        .section-title-light {
            color: #fff;
        }

        .card-default {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(255, 77, 46, 0.1);
            color: var(--primary);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
        }

        .lang-capsule {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #9CA0AA;
            font-size: 13px;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            transition: all var(--transition-base);
        }

        .lang-capsule:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 77, 46, 0.08);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 24px;
            line-height: 1;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-drawer {
            display: none;
            background: rgba(12, 14, 18, 0.98);
            border-top: 1px solid var(--darkline);
            padding: 16px 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        .mobile-drawer.open {
            max-height: 500px;
        }

        .progress-ring-circle {
            transition: stroke-dashoffset 800ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px 20px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 77, 46, 0.1);
            color: var(--primary);
            transition: transform var(--transition-base);
            font-size: 16px;
            font-weight: 700;
        }

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

        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--gradient-primary);
            color: #fff;
            padding: 14px 24px;
            box-shadow: 0 -4px 24px rgba(255, 77, 46, 0.3);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .fixed-bottom-cta .cta-text {
            font-size: 14px;
            font-weight: 500;
            flex: 1;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .fixed-bottom-cta .cta-btn {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            flex-shrink: 0;
            transition: all var(--transition-base);
            font-size: 14px;
        }

        .fixed-bottom-cta .cta-btn:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        @media (max-width: 1024px) {
            .section-padding {
                padding: 64px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
            .section-title {
                font-size: 27px;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none !important;
            }
            .hamburger {
                display: flex !important;
            }
            .mobile-drawer {
                display: block;
            }
            .lang-capsule {
                display: none;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .fixed-bottom-cta {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 8px;
            }
            .fixed-bottom-cta .cta-text {
                white-space: normal;
                text-align: center;
                font-size: 13px;
            }
            .fixed-bottom-cta .cta-btn {
                width: 100%;
                text-align: center;
            }
            body {
                padding-bottom: 120px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 20px;
            }
            .container-main {
                padding: 0 16px;
            }
        }