/* roulang page: index */
:root {
            --primary: #0D0F12;
            --accent: #B8F044;
            --accent-hover: #A0D935;
            --bg: #F6F7F9;
            --card-bg: #FFFFFF;
            --section-gray: #EEF0F4;
            --warning: #FF6B3D;
            --danger: #E93D3D;
            --text-1: #111827;
            --text-2: #4B5563;
            --text-3: #9CA3AF;
            --border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-base: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
            --font-num: 'DIN', 'Inter', 'SF Mono', 'PingFang SC', monospace;
            --transition: 0.3s ease;
            --transition-fast: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-1);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            outline: none;
            background: transparent;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 48px;
        }

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

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 15, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--accent);
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .chip-preheat {
            color: #9CA3AF;
            border: 1.5px dashed #6B7280;
            background: transparent;
        }

        .chip-live {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: 1.5px solid var(--accent);
        }

        .chip-live .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.2s ease-in-out infinite;
            display: inline-block;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .chip-replay {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .chip-replay i {
            font-size: 11px;
            color: var(--accent);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #FFFFFF;
            font-size: 24px;
            padding: 8px;
            border-radius: 6px;
            transition: color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            background: rgba(13, 15, 18, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all var(--transition-fast);
            display: block;
        }

        .mobile-menu a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-menu a.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(184, 240, 68, 0.08);
        }

        .mobile-chips-row {
            display: flex;
            gap: 8px;
            padding: 8px 0 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .mobile-chips-row::-webkit-scrollbar {
            display: none;
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 60px;
                flex-wrap: nowrap;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                flex-shrink: 0;
            }
            .nav-chips {
                display: none;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.hidden-mobile {
                display: none;
            }
            .nav-logo {
                font-size: 20px;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 18px;
            }
            .mobile-menu a {
                font-size: 15px;
                padding: 6px 10px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(13, 15, 18, 0.72), rgba(13, 15, 18, 0.72)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
            padding: 120px 0 100px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 1;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .hero-report-cover {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .hero-report-cover::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        .report-cover-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(184, 240, 68, 0.15);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            width: fit-content;
            margin-bottom: 16px;
        }

        .report-cover-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-1);
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

        .report-cover-sub {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .report-cover-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 14px;
        }

        .report-cover-img img {
            width: 100%;
            height: 110px;
            object-fit: cover;
        }

        .report-cover-meta {
            font-size: 12px;
            color: var(--text-3);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .hero-toc {
            color: #FFFFFF;
        }

        .hero-toc h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.025em;
            margin-bottom: 18px;
            color: #FFFFFF;
        }

        .hero-toc h1 span {
            color: var(--accent);
        }

        .hero-toc>p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 480px;
        }

        .toc-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 26px;
        }

        .toc-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .toc-item .toc-num {
            width: 26px;
            height: 26px;
            border-radius: 6px;
            background: rgba(184, 240, 68, 0.18);
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 2px solid var(--accent);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(184, 240, 68, 0.35);
            transform: translateY(-2px);
        }

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

        .btn-secondary-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            font-weight: 500;
            font-size: 15px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-secondary-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

        .hero-form {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
        }

        .hero-form h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 6px;
        }

        .hero-form>p {
            font-size: 14px;
            color: var(--text-2);
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-2);
            margin-bottom: 5px;
        }

        .form-input {
            width: 100%;
            padding: 11px 14px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-1);
            background: #FAFBFC;
            transition: all var(--transition-fast);
        }

        .form-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 240, 68, 0.2);
            background: #FFFFFF;
            outline: none;
        }
        .form-input::placeholder {
            color: var(--text-3);
        }

        .form-select {
            width: 100%;
            padding: 11px 14px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-1);
            background: #FAFBFC;
            appearance: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 240, 68, 0.2);
            background: #FFFFFF;
        }

        .btn-submit {
            width: 100%;
            padding: 13px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--accent);
            transition: all var(--transition);
            margin-top: 4px;
        }
        .btn-submit:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(184, 240, 68, 0.35);
            transform: translateY(-2px);
        }

        .hero-metrics-bar {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 28px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-metric {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-metric .metric-value {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .hero-metric .metric-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.03em;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero {
                min-height: auto;
                padding: 80px 0 80px;
            }
            .hero-toc h1 {
                font-size: 34px;
            }
            .hero-report-cover {
                min-height: auto;
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 70vh;
                padding: 60px 0 70px;
                clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
            }
            .hero-toc h1 {
                font-size: 28px;
            }
            .hero-toc>p {
                font-size: 15px;
            }
            .hero-grid {
                gap: 22px;
            }
            .hero-report-cover,
            .hero-form {
                padding: 20px;
            }
            .hero-metric .metric-value {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-toc h1 {
                font-size: 24px;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-secondary-light {
                width: 100%;
                justify-content: center;
            }
            .hero-metrics-bar {
                gap: 16px;
                flex-wrap: wrap;
            }
        }

        /* ===== Section Common ===== */
        section {
            padding: 88px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }
        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-2);
            background: rgba(13, 15, 18, 0.06);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-1);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-2);
            max-width: 680px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 26px;
            }
        }

        /* ===== Feature Compare Table ===== */
        .compare-table-wrap {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-base);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 18px;
            text-align: left;
            border-bottom: 1px solid #F0F1F4;
            vertical-align: middle;
        }
        .compare-table th {
            background: #FAFBFC;
            font-weight: 600;
            color: var(--text-2);
            font-size: 13px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .compare-table td:first-child {
            font-weight: 600;
            color: var(--text-1);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .feature-yes {
            color: var(--text-1);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .compare-table .feature-yes i {
            color: #22C55E;
            font-size: 14px;
        }
        .compare-table .feature-partial {
            color: var(--text-2);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
        }
        .compare-table .feature-partial i {
            color: var(--warning);
            font-size: 14px;
        }
        .compare-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }
        .compare-badge-hot {
            background: rgba(255, 107, 61, 0.12);
            color: var(--warning);
        }
        .compare-badge-new {
            background: rgba(34, 197, 94, 0.12);
            color: #22C55E;
        }
        @media (max-width: 768px) {
            .compare-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .compare-table {
                font-size: 13px;
                min-width: 600px;
            }
            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
            }
        }

        /* ===== Use Scenes ===== */
        .scenes-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 56px;
        }
        .scene-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .scene-item:nth-child(even) .scene-img {
            order: 2;
        }
        .scene-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16/10;
        }
        .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scene-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(13, 15, 18, 0.35));
            pointer-events: none;
        }
        .scene-item:hover .scene-img img {
            transform: scale(1.03);
        }
        .scene-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .scene-text p {
            font-size: 16px;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .scene-tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent);
            padding: 4px 10px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .scene-item {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scene-item:nth-child(even) .scene-img {
                order: 0;
            }
            .scene-text h3 {
                font-size: 20px;
            }
        }

        /* ===== Success Cases ===== */
        .cases-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .case-item {
            display: grid;
            grid-template-columns: 140px 1fr 200px;
            gap: 24px;
            align-items: center;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: all var(--transition);
        }
        .case-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: #D1D5DB;
            transform: translateY(-2px);
        }
        .case-number {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .case-text {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.65;
        }
        .case-text strong {
            color: var(--text-1);
            font-weight: 600;
        }
        .case-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 90px;
        }
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-2);
            background: var(--section-gray);
            padding: 3px 10px;
            border-radius: 999px;
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .case-item {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 18px;
            }
            .case-number {
                font-size: 32px;
            }
            .case-img {
                height: 70px;
            }
        }

        /* ===== Pricing ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .price-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            position: relative;
        }
        .price-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .price-card.featured {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .price-card.featured .price-name,
        .price-card.featured .price-desc,
        .price-card.featured .price-amount,
        .price-card.featured .price-feature li {
            color: #FFFFFF;
        }
        .price-card.featured .price-amount span {
            color: var(--accent);
        }
        .price-card.featured .price-feature li i {
            color: var(--accent);
        }
        .price-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--accent);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }
        .price-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 6px;
        }
        .price-desc {
            font-size: 14px;
            color: var(--text-2);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .price-amount {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }
        .price-amount span {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-3);
        }
        .price-period {
            font-size: 13px;
            color: var(--text-3);
            margin-bottom: 22px;
        }
        .price-feature {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 28px;
            flex: 1;
        }
        .price-feature li {
            font-size: 14px;
            color: var(--text-2);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.55;
        }
        .price-feature li i {
            color: #22C55E;
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .btn-price {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            border: 2px solid transparent;
        }
        .btn-price-outline {
            background: transparent;
            border-color: #D1D5DB;
            color: var(--text-1);
        }
        .btn-price-outline:hover {
            background: var(--section-gray);
            border-color: #9CA3AF;
            transform: translateY(-2px);
        }
        .btn-price-solid {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
        }
        .btn-price-solid:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(184, 240, 68, 0.35);
            transform: translateY(-2px);
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .price-card.featured {
                order: -1;
            }
        }

        /* ===== News ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid #E5E7EB;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-item:hover {
            padding-left: 8px;
            border-bottom-color: var(--accent);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item .news-num {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--text-3);
            width: 32px;
            flex-shrink: 0;
            padding-top: 2px;
        }
        .news-item-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 5px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-item-content h3 {
            color: var(--text-1);
        }
        .news-item-content p {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.6;
        }
        .news-side {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-base);
            align-self: start;
        }
        .news-side h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 14px;
        }
        .news-side-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-side-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--text-2);
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .news-side-item:hover {
            color: var(--text-1);
        }
        .news-side-item i {
            color: var(--accent);
            font-size: 10px;
            margin-top: 5px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Testimonials ===== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testi-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
        }
        .testi-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #D1D5DB;
        }
        .testi-stars {
            color: #F59E0B;
            font-size: 14px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testi-text {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .testi-author {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid #F0F1F4;
            padding-top: 14px;
        }
        .testi-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--section-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-2);
            flex-shrink: 0;
        }
        .testi-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-1);
        }
        .testi-role {
            font-size: 12px;
            color: var(--text-3);
        }
        @media (max-width: 1024px) {
            .testimonials-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Brand Intro ===== */
        .brand-intro-section {
            background: var(--primary);
            color: #FFFFFF;
            padding: 80px 0;
        }
        .brand-intro-section .section-header h2 {
            color: #FFFFFF;
        }
        .brand-intro-section .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        .brand-content {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.8);
            max-width: 860px;
        }
        .brand-content strong {
            color: var(--accent);
            font-weight: 600;
        }
        .brand-highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .brand-highlight-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 18px;
            text-align: center;
        }
        .brand-highlight-item .bh-value {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 4px;
        }
        .brand-highlight-item .bh-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 768px) {
            .brand-highlight-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Partners ===== */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .partner-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: all var(--transition);
            cursor: default;
            text-align: center;
        }
        .partner-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: #D1D5DB;
            transform: translateY(-3px);
        }
        .partner-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .partner-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 6px;
        }
        .partner-desc {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .partners-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .partners-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--accent);
            color: var(--primary);
            padding: 72px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(13, 15, 18, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .btn-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition);
        }
        .btn-dark:hover {
            background: #1A1D22;
            border-color: #1A1D22;
            box-shadow: 0 4px 16px rgba(13, 15, 18, 0.25);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 26px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #D1D5DB;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            transition: all var(--transition-fast);
            user-select: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--text-3);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question {
            background: rgba(184, 240, 68, 0.06);
            color: var(--primary);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
            border-left: 3px solid transparent;
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
            border-left-color: var(--accent);
        }
        @media (max-width: 768px) {
            .faq-question {
                font-size: 15px;
                padding: 15px 18px;
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            border-top: 2px solid var(--accent);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Floating CTA ===== */
        .floating-cta {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 90;
            display: none;
        }
        .floating-cta.show {
            display: block;
        }
        .floating-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 14px;
            padding: 14px 20px;
            border-radius: 999px;
            border: 2px solid var(--accent);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
            transition: all var(--transition);
        }
        .floating-cta-btn:hover {
            background: #1A1D22;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3);
        }

        /* ===== Scroll Reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

        /* ===== Focus Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Misc ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-accent {
            background: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .bg-primary {
            background: var(--primary);
        }
        .section-alt-bg {
            background: #FFFFFF;
        }
        .section-gray-bg {
            background: var(--section-gray);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: category2 */
:root {
            --primary: #0D0F12;
            --accent: #B8F044;
            --accent-hover: #A0D935;
            --bg: #F6F7F9;
            --card-bg: #FFFFFF;
            --section-gray: #EEF0F4;
            --warning: #FF6B3D;
            --danger: #E93D3D;
            --text-1: #111827;
            --text-2: #4B5563;
            --text-3: #9CA3AF;
            --border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-base: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
            --font-num: 'DIN', 'Inter', 'SF Mono', 'PingFang SC', monospace;
            --transition: 0.3s ease;
            --transition-fast: 0.2s ease;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-1);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            outline: none;
            background: transparent;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 48px;
        }

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

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 15, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--accent);
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-shrink: 0;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .chip-preheat {
            color: #9CA3AF;
            border: 1.5px dashed #6B7280;
            background: transparent;
        }

        .chip-live {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: 1.5px solid var(--accent);
        }

        .chip-live .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.2s ease-in-out infinite;
            display: inline-block;
        }

        .chip-replay {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .chip-replay i {
            font-size: 11px;
            color: var(--accent);
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #FFFFFF;
            font-size: 24px;
            padding: 8px;
            border-radius: 6px;
            transition: color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            background: rgba(13, 15, 18, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: color var(--transition-fast);
        }

        .mobile-menu a:hover {
            color: var(--accent);
        }

        .mobile-menu a.active {
            color: var(--accent);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 16px;
            }
            .nav-links a {
                font-size: 14px;
            }
            .nav-chips .chip {
                padding: 4px 10px;
                font-size: 12px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 60px;
                gap: 12px;
                flex-wrap: nowrap;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 36px;
                height: 36px;
                flex-shrink: 0;
            }
            .nav-logo {
                font-size: 19px;
                flex-shrink: 0;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 12px;
            }
            .nav-chips {
                gap: 6px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
                max-width: 200px;
            }
            .nav-chips::-webkit-scrollbar {
                display: none;
            }
            .nav-chips .chip {
                padding: 4px 10px;
                font-size: 12px;
                flex-shrink: 0;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.hidden {
                display: none;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-3);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-3);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--text-1);
        }

        .breadcrumb .separator {
            color: var(--text-3);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--text-1);
            font-weight: 500;
            pointer-events: none;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.72)), url('/assets/images/coverpic/cover-4.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            max-width: 750px;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .page-hero h1 .highlight {
            color: var(--accent);
        }

        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            max-width: 650px;
            margin-bottom: 28px;
        }

        .hero-meta-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
        }

        .hero-meta-item i {
            color: var(--accent);
            font-size: 16px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border: 1.5px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(184, 240, 68, 0.3);
            transform: translateY(-2px);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

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

        @media (max-width: 768px) {
            .page-hero {
                min-height: auto;
                padding: 48px 0;
            }
            .page-hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .page-hero p {
                font-size: 15px;
            }
            .hero-meta-row {
                gap: 16px;
                flex-direction: column;
            }
            .page-hero-content {
                max-width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-heading {
            margin-bottom: 48px;
        }

        .section-heading h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--text-2);
            line-height: 1.7;
            max-width: 650px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-hover);
            background: rgba(184, 240, 68, 0.12);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-heading h2 {
                font-size: 26px;
            }
            .section-heading p {
                font-size: 15px;
            }
        }

        /* ===== Resource Grid ===== */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .resource-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #d1d5db;
        }

        .resource-card .card-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.03em;
        }

        .resource-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--section-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--text-1);
            font-size: 20px;
            transition: all var(--transition-fast);
        }

        .resource-card:hover .card-icon {
            background: var(--accent);
            color: var(--primary);
        }

        .resource-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .resource-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .resource-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .resource-card .card-stat {
            font-size: 13px;
            color: var(--text-3);
            font-weight: 500;
        }

        .resource-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-1);
            transition: all var(--transition-fast);
        }

        .resource-card .card-link:hover {
            color: var(--accent-hover);
        }

        @media (max-width: 1024px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .resource-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .resource-card {
                padding: 22px 20px;
            }
        }

        /* ===== Feature Section ===== */
        .feature-asym {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .feature-large {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all var(--transition);
        }

        .feature-large:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #d1d5db;
        }

        .feature-large h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .feature-large p {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .feature-small {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
        }

        .feature-small:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #d1d5db;
        }

        .feature-small h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
        }

        .feature-small p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.65;
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: rgba(184, 240, 68, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-1);
            margin-bottom: 14px;
        }

        @media (max-width: 1024px) {
            .feature-asym {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Data Strip ===== */
        .data-strip {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            overflow: hidden;
        }

        .data-strip::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .data-block {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .data-block .data-num {
            font-family: var(--font-num);
            font-size: 44px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-block .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 24px 16px;
            }
            .data-block .data-num {
                font-size: 32px;
            }
            .data-block .data-label {
                font-size: 12px;
            }
        }

        /* ===== How It Works ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            position: relative;
            transition: all var(--transition);
        }

        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #d1d5db;
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-weight: 800;
            font-size: 15px;
            margin-bottom: 12px;
            font-family: var(--font-num);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.65;
        }

        @media (max-width: 1024px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .steps-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 36px 36px;
            pointer-events: none;
        }

        .cta-section h2 {
            position: relative;
            z-index: 1;
            font-size: 30px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .cta-section p {
            position: relative;
            z-index: 1;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 16px;
            padding: 15px 36px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius-md);
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section p {
                font-size: 15px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #d1d5db;
            box-shadow: var(--shadow-base);
        }

        .faq-item.open {
            border-left: 3px solid var(--accent);
            background: #FDFDFC;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-1);
            user-select: none;
            gap: 16px;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--section-gray);
            font-size: 13px;
            transition: all var(--transition-fast);
            color: var(--text-2);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: var(--primary);
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14.5px;
            color: var(--text-2);
            line-height: 1.75;
        }

        @media (max-width: 768px) {
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 28px;
            border-top: 1.5px solid var(--accent);
        }

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

        .footer-brand .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

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

        @media (max-width: 768px) {
            .site-footer {
                padding: 48px 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                margin-bottom: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
                align-items: center;
            }
        }

        /* ===== Misc ===== */
        .bg-section-gray {
            background: var(--section-gray);
        }

        .text-accent {
            color: var(--accent-hover);
        }

        .font-num {
            font-family: var(--font-num);
        }

        .tag-chip {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: var(--section-gray);
            color: var(--text-2);
            margin-right: 6px;
            transition: all var(--transition-fast);
        }

        .tag-chip:hover {
            background: var(--accent);
            color: var(--primary);
        }

/* roulang page: category1 */
:root {
            --primary: #0D0F12;
            --accent: #B8F044;
            --accent-hover: #A0D935;
            --bg: #F6F7F9;
            --card-bg: #FFFFFF;
            --section-gray: #EEF0F4;
            --warning: #FF6B3D;
            --danger: #E93D3D;
            --text-1: #111827;
            --text-2: #4B5563;
            --text-3: #9CA3AF;
            --border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-base: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-hover: 0 8px 24px rgba(0,0,0,0.08);
            --font-body: 'PingFang SC','Microsoft YaHei','Inter',sans-serif;
            --font-num: 'DIN','Inter','SF Mono','PingFang SC',monospace;
            --transition: 0.3s ease;
            --transition-fast: 0.2s ease;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-1);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            outline: none;
            background: transparent;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 48px;
        }

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

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13,15,18,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: background var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--accent);
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }

        .nav-links a {
            color: rgba(255,255,255,0.75);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .chip-preheat {
            color: #9CA3AF;
            border: 1.5px dashed #6B7280;
            background: transparent;
        }

        .chip-live {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: 1.5px solid var(--accent);
        }

        .chip-live .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.2s ease-in-out infinite;
            display: inline-block;
        }

        .chip-replay {
            background: rgba(255,255,255,0.12);
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.25);
        }

        .chip-replay i {
            font-size: 11px;
            color: var(--accent);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #FFFFFF;
            font-size: 24px;
            padding: 8px;
            border-radius: 6px;
            transition: color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            background: rgba(13,15,18,0.98);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 16px 20px;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu a {
            color: rgba(255,255,255,0.75);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
        }

        .mobile-menu a.active {
            color: var(--accent);
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.7); }
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 16px;
            }
            .nav-links a {
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.show {
                display: flex;
            }
            .nav-chips {
                overflow-x: auto;
                scrollbar-width: none;
                -ms-overflow-style: none;
                max-width: 40vw;
            }
            .nav-chips::-webkit-scrollbar {
                display: none;
            }
            .nav-wrapper {
                flex-wrap: nowrap;
                gap: 8px;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            height: 40vh;
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-image: url('/assets/images/coverpic/cover-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13,15,18,0.72);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(90deg, rgba(184,240,68,0.04) 1px, transparent 1px),
                              linear-gradient(0deg, rgba(184,240,68,0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            z-index: 1;
            pointer-events: none;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 0 20px;
        }

        .category-hero-content h1 {
            color: #FFFFFF;
            font-size: 44px;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .category-hero-content p {
            color: rgba(255,255,255,0.78);
            font-size: 18px;
            line-height: 1.6;
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .category-hero {
                height: 32vh;
                min-height: 220px;
            }
            .category-hero-content h1 {
                font-size: 30px;
            }
            .category-hero-content p {
                font-size: 15px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 18px 0;
            font-size: 14px;
            color: var(--text-3);
            border-bottom: 1px solid var(--border);
            background: #FFFFFF;
        }

        .breadcrumb a {
            color: var(--text-2);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            margin: 0 10px;
            color: var(--text-3);
        }

        .breadcrumb .current {
            color: var(--text-1);
            font-weight: 500;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border: 1.5px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 12px rgba(184,240,68,0.35);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-1);
            border: 1.5px solid var(--border);
        }

        .btn-outline:hover {
            background: var(--section-gray);
            border-color: #D1D5DB;
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
        }

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

        @media (max-width: 768px) {
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Card ===== */
        .data-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-base);
            transition: all var(--transition);
            overflow: hidden;
        }

        .data-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #D1D5DB;
        }

        /* ===== Filter Sidebar ===== */
        .filter-sidebar {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-base);
            padding: 24px;
            position: sticky;
            top: 88px;
        }

        .filter-sidebar h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--section-gray);
        }

        .filter-group {
            margin-bottom: 22px;
        }

        .filter-group h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-2);
            margin-bottom: 10px;
        }

        .filter-opt {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 0;
            font-size: 14px;
            color: var(--text-2);
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .filter-opt:hover {
            color: var(--accent-hover);
        }

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

        .filter-opt.active {
            color: var(--primary);
            font-weight: 600;
        }

        .filter-count {
            display: inline-block;
            background: var(--section-gray);
            color: var(--text-3);
            padding: 2px 8px;
            border-radius: 999px;
            font-size: 12px;
            margin-left: auto;
        }

        .filter-reset {
            display: block;
            width: 100%;
            padding: 10px;
            text-align: center;
            background: var(--section-gray);
            color: var(--text-2);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .filter-reset:hover {
            background: #E5E7EB;
            color: var(--text-1);
        }

        @media (max-width: 768px) {
            .filter-sidebar {
                position: static;
                margin-bottom: 20px;
            }
        }

        /* ===== Data List Item ===== */
        .data-list-item {
            display: flex;
            gap: 20px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-base);
            padding: 20px;
            margin-bottom: 20px;
            transition: all var(--transition);
            align-items: center;
        }

        .data-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #D1D5DB;
        }

        .data-list-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 130px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--section-gray);
        }

        .data-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .data-list-item:hover .data-list-thumb img {
            transform: scale(1.03);
        }

        .data-list-info {
            flex: 1;
            min-width: 0;
        }

        .data-list-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .data-list-info .desc {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .data-list-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-3);
            flex-wrap: wrap;
        }

        .data-list-meta .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(184,240,68,0.12);
            color: #4A7A13;
        }

        .data-list-meta .tag.hot {
            background: rgba(255,107,61,0.12);
            color: #D84A1F;
        }

        .data-list-meta .tag.realtime {
            background: rgba(184,240,68,0.2);
            color: #3D6B0A;
            font-weight: 600;
        }

        .data-list-meta span i {
            margin-right: 4px;
        }

        @media (max-width: 768px) {
            .data-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .data-list-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .data-list-item {
                padding: 14px;
            }
            .data-list-info h3 {
                font-size: 16px;
            }
        }

        /* ===== KPI Section ===== */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .kpi-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-base);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
        }

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

        .kpi-number {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 800;
            color: var(--accent-hover);
            letter-spacing: -0.01em;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .kpi-label {
            font-size: 15px;
            color: var(--text-2);
            font-weight: 500;
        }

        .kpi-desc {
            font-size: 13px;
            color: var(--text-3);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .kpi-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .kpi-number {
                font-size: 32px;
            }
        }

        /* ===== Process Steps ===== */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-card {
            text-align: center;
            padding: 28px 20px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-base);
            transition: all var(--transition);
            position: relative;
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-weight: 800;
            font-size: 18px;
            font-family: var(--font-num);
            margin-bottom: 14px;
            transition: transform var(--transition);
        }

        .step-card:hover .step-num {
            transform: scale(1.1);
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .step-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

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

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

        .faq-item:hover {
            border-color: #D1D5DB;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-1);
            transition: color var(--transition-fast);
            user-select: none;
        }

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

        .faq-item.open .faq-question {
            color: var(--accent-hover);
            background: #FAFBFC;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-3);
            transition: transform var(--transition-fast);
            font-size: 14px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 20px;
            border-left: 3px solid transparent;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 16px 20px;
            border-left-color: var(--accent);
            background: #FAFBFC;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(90deg, rgba(184,240,68,0.05) 1px, transparent 1px),
                              linear-gradient(0deg, rgba(184,240,68,0.05) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .cta-section h2 {
            color: #FFFFFF;
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-buttons {
                flex-direction: column;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            margin-top: 80px;
            border-top: 2px solid var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 48px 0;
        }

        .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
                padding: 32px 0;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

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

        /* ===== Section Title ===== */
        .section-title {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-1);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-2);
            line-height: 1.7;
            max-width: 620px;
        }

        .section-header {
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
        }

        /* ===== Scroll Animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(25px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Section spacing ===== */
        .section-spacing {
            padding: 64px 0;
        }

        @media (max-width: 768px) {
            .section-spacing {
                padding: 40px 0;
            }
        }

        /* ===== Tag cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud span {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: #FFFFFF;
            border: 1px solid var(--border);
            color: var(--text-2);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .tag-cloud span:hover {
            border-color: var(--accent);
            color: var(--accent-hover);
            background: rgba(184,240,68,0.06);
        }

/* roulang page: category3 */
:root {
            --primary: #0D0F12;
            --accent: #B8F044;
            --accent-hover: #A0D935;
            --bg: #F6F7F9;
            --card-bg: #FFFFFF;
            --section-gray: #EEF0F4;
            --warning: #FF6B3D;
            --danger: #E93D3D;
            --text-1: #111827;
            --text-2: #4B5563;
            --text-3: #9CA3AF;
            --border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-base: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
            --font-num: 'DIN', 'Inter', 'SF Mono', 'PingFang SC', monospace;
            --transition: 0.3s ease;
            --transition-fast: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-1);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            outline: none;
            background: transparent;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 48px;
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 15, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--accent);
        }
        .nav-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .chip-preheat {
            color: #9CA3AF;
            border: 1.5px dashed #6B7280;
            background: transparent;
        }
        .chip-live {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: 1.5px solid var(--accent);
        }
        .chip-live .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.2s ease-in-out infinite;
            display: inline-block;
        }
        .chip-replay {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }
        .chip-replay i {
            font-size: 11px;
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: #FFFFFF;
            font-size: 24px;
            padding: 8px;
            border-radius: 6px;
            transition: color var(--transition-fast);
        }
        .nav-toggle:hover {
            color: var(--accent);
        }
        .mobile-menu {
            display: none;
            background: rgba(13, 15, 18, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            flex-direction: column;
            gap: 12px;
        }
        .mobile-menu a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 14px;
            }
            .nav-chips {
                gap: 6px;
            }
            .chip {
                padding: 4px 8px;
                font-size: 12px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
                gap: 10px;
            }
            .nav-chips {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 4px;
                gap: 8px;
                -webkit-overflow-scrolling: touch;
            }
            .mobile-menu.open {
                display: flex;
            }
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 1.5px solid var(--accent);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(184, 240, 68, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-1);
            font-weight: 500;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--section-gray);
            border-color: #D1D5DB;
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            padding: 60px 0 40px;
            background: var(--primary);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 15, 18, 0.7) 0%, rgba(13, 15, 18, 0.9) 100%);
            z-index: 2;
        }
        .page-hero .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 3;
            pointer-events: none;
        }
        .page-hero > .container {
            position: relative;
            z-index: 4;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .page-hero h1 .accent-text {
            color: var(--accent);
        }
        .page-hero .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-3);
        }
        .breadcrumb a {
            color: var(--text-2);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .divider {
            color: var(--text-3);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-2);
            font-weight: 500;
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-2);
            max-width: 620px;
            line-height: 1.7;
        }

        /* ===== Timeline ===== */
        .timeline-wrap {
            position: relative;
            padding-left: 32px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }
        .timeline-date-node {
            position: relative;
            margin-bottom: 48px;
        }
        .timeline-date-node:last-child {
            margin-bottom: 0;
        }
        .timeline-date-node::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 8px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--primary);
            box-shadow: 0 0 0 3px var(--card-bg), 0 0 0 4px var(--border);
            z-index: 2;
        }
        .timeline-date-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 16px;
            background: var(--card-bg);
            padding: 4px 12px 4px 0;
            position: relative;
            z-index: 1;
        }
        .timeline-date-label .date-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--section-gray);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-1);
        }
        .timeline-date-label .date-badge i {
            color: var(--accent);
            font-size: 13px;
        }
        .timeline-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all var(--transition);
            position: relative;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #D1D5DB;
            transform: translateY(-2px);
        }
        .timeline-card .match-time {
            flex-shrink: 0;
            text-align: center;
            min-width: 80px;
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-1);
            letter-spacing: -0.01em;
        }
        .timeline-card .match-time .time-zone {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: var(--text-3);
            font-family: var(--font-body);
            margin-top: 2px;
        }
        .timeline-card .match-info {
            flex: 1;
            min-width: 0;
        }
        .timeline-card .match-info .match-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .timeline-card .match-info .match-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-3);
        }
        .timeline-card .match-info .match-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .timeline-card .match-info .match-meta i {
            font-size: 12px;
            color: var(--accent);
        }
        .timeline-card .match-actions {
            flex-shrink: 0;
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .btn-small {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-accent {
            border: 1.5px solid var(--accent);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-accent:hover {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-ghost-gray {
            border: 1px solid var(--border);
            color: var(--text-2);
            background: transparent;
        }
        .btn-ghost-gray:hover {
            background: var(--section-gray);
            border-color: #D1D5DB;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .status-live {
            background: var(--warning);
            color: #FFFFFF;
        }
        .status-upcoming {
            background: var(--section-gray);
            color: var(--text-2);
        }
        .status-hot {
            background: rgba(184, 240, 68, 0.15);
            color: var(--primary);
            border: 1px solid var(--accent);
        }

        /* ===== Sidebar Widgets ===== */
        .sidebar-widget {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar-widget h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget h3 i {
            color: var(--accent);
            font-size: 16px;
        }
        .subscribe-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .subscribe-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .subscribe-item .sub-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--section-gray);
            color: var(--text-2);
            font-size: 18px;
            flex-shrink: 0;
        }
        .subscribe-item .sub-info {
            flex: 1;
            min-width: 0;
        }
        .subscribe-item .sub-info .sub-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 2px;
        }
        .subscribe-item .sub-info .sub-desc {
            font-size: 13px;
            color: var(--text-3);
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-btn {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: var(--section-gray);
            color: var(--text-2);
            border: 1.5px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--accent);
            color: var(--text-1);
        }
        .filter-btn.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 600;
        }
        .filter-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== KPI Row ===== */
        .kpi-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .kpi-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            text-align: center;
            transition: all var(--transition);
        }
        .kpi-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #D1D5DB;
        }
        .kpi-card .kpi-number {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .kpi-card .kpi-number .accent-text {
            color: var(--accent);
        }
        .kpi-card .kpi-label {
            font-size: 14px;
            color: var(--text-2);
            margin-top: 4px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary);
            color: #FFFFFF;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 36px 36px;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-section .btn-primary {
            font-size: 16px;
            padding: 14px 28px;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #D1D5DB;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--text-2);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-3);
            transition: transform var(--transition-fast);
            font-size: 14px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 24px;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.7;
            border-left: 3px solid var(--accent);
            margin-left: 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }

        /* ===== Recommendation Grid ===== */
        .rec-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .rec-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .rec-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #D1D5DB;
        }
        .rec-card .rec-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .rec-card .rec-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .rec-card:hover .rec-img img {
            transform: scale(1.03);
        }
        .rec-card .rec-body {
            padding: 20px;
        }
        .rec-card .rec-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .rec-card .rec-body p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
        }
        .rec-card .rec-body .rec-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
            transition: color var(--transition-fast);
        }
        .rec-card .rec-body .rec-link i {
            font-size: 12px;
            color: var(--accent);
        }
        .rec-card .rec-body .rec-link:hover {
            color: var(--text-2);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            border-top: 1px solid var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Layout Helpers ===== */
        .two-col-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            margin-top: 32px;
        }
        .main-col {
            min-width: 0;
        }
        .side-col {
            min-width: 0;
        }

        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 36px;
            }
            .section {
                padding: 60px 0;
            }
            .kpi-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .rec-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .two-col-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                min-height: 35vh;
                padding: 40px 0 32px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-subtitle {
                font-size: 15px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .kpi-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .kpi-card {
                padding: 16px;
            }
            .kpi-card .kpi-number {
                font-size: 28px;
            }
            .rec-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .timeline-wrap {
                padding-left: 24px;
            }
            .timeline-date-node::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }
            .timeline-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }
            .timeline-card .match-time {
                font-size: 18px;
                min-width: auto;
                text-align: left;
            }
            .timeline-card .match-actions {
                width: 100%;
                justify-content: flex-start;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
                margin-left: 18px;
                font-size: 14px;
            }
            .sidebar-widget {
                padding: 18px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 480px) {
            .page-hero h1 {
                font-size: 26px;
            }
            .kpi-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .kpi-card .kpi-number {
                font-size: 24px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 10px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0D0F12;
            --accent: #B8F044;
            --accent-hover: #A0D935;
            --bg: #F6F7F9;
            --card-bg: #FFFFFF;
            --section-gray: #EEF0F4;
            --warning: #FF6B3D;
            --danger: #E93D3D;
            --text-1: #111827;
            --text-2: #4B5563;
            --text-3: #9CA3AF;
            --border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-base: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
            --font-num: 'DIN', 'Inter', 'SF Mono', 'PingFang SC', monospace;
            --transition: 0.3s ease;
            --transition-fast: 0.2s ease;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-1);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            outline: none;
            background: transparent;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 15, 18, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--accent);
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-shrink: 0;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .chip-preheat {
            color: #9CA3AF;
            border: 1.5px dashed #6B7280;
            background: transparent;
        }

        .chip-live {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: 1.5px solid var(--accent);
        }

        .chip-live .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.2s ease-in-out infinite;
            display: inline-block;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .chip-replay {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .chip-replay i {
            font-size: 11px;
            color: var(--accent);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #FFFFFF;
            font-size: 24px;
            padding: 8px;
            border-radius: 6px;
            transition: color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            background: rgba(13, 15, 18, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
        }

        .mobile-chips-row {
            display: none;
            padding: 8px 20px;
            background: rgba(13, 15, 18, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            overflow-x: auto;
            gap: 8px;
            flex-wrap: nowrap;
            -webkit-overflow-scrolling: touch;
        }

        .mobile-chips-row .chip {
            flex-shrink: 0;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-3);
            padding: 16px 0 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-3);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--text-1);
        }

        .breadcrumb-sep {
            color: var(--border);
        }

        .breadcrumb-current {
            color: var(--text-2);
            font-weight: 500;
        }

        /* ===== Hero ===== */
        .hero-inner {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 16px;
        }

        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 15, 18, 0.68);
            z-index: 1;
        }

        .hero-inner::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 40px 40px;
            color: #FFFFFF;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin: 0 0 12px;
        }

        .hero-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Section ===== */
        .section {
            padding: 64px 0;
        }

        .section-title-area {
            margin-bottom: 36px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: -0.01em;
            margin: 0 0 8px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== KPI Cards ===== */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .kpi-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .kpi-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .kpi-card:hover::after {
            transform: scaleX(1);
        }

        .kpi-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: #F0F7D8;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-hover);
            font-size: 18px;
            margin-bottom: 12px;
        }

        .kpi-number {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin: 0 0 4px;
        }

        .kpi-label {
            font-size: 14px;
            color: var(--text-2);
            font-weight: 500;
            margin: 0 0 8px;
        }

        .kpi-trend {
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 8px;
            border-radius: 4px;
        }

        .kpi-trend.up {
            color: #16A34A;
            background: #F0FDF4;
        }

        .kpi-trend.down {
            color: var(--danger);
            background: #FEF2F2;
        }

        /* ===== Data Table ===== */
        .data-table-wrapper {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-base);
        }

        .data-table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
            gap: 12px;
        }

        .data-table-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .data-table-title i {
            color: var(--accent-hover);
            font-size: 16px;
        }

        .data-table-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: #F0F7D8;
            color: var(--text-1);
        }

        .data-table-tag .green-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #16A34A;
            animation: pulse 1.5s ease-in-out infinite;
        }

        .data-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }

        .data-table thead th {
            background: var(--section-gray);
            color: var(--text-2);
            font-size: 13px;
            font-weight: 600;
            text-align: left;
            padding: 14px 18px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

        .data-table tbody td {
            padding: 14px 18px;
            font-size: 14px;
            color: var(--text-2);
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

        .data-table tbody tr:last-child td {
            border-bottom: none;
        }

        .data-table tbody tr:hover {
            background: #FAFBFC;
        }

        .table-player {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text-1);
        }

        .table-player-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--section-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-2);
            flex-shrink: 0;
        }

        .table-value {
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--text-1);
        }

        .table-value.highlight {
            color: var(--accent-hover);
        }

        .table-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
        }

        .table-badge.good {
            background: #F0FDF4;
            color: #16A34A;
        }

        .table-badge.warn {
            background: #FFFBEB;
            color: #D97706;
        }

        .table-badge.alert {
            background: #FEF2F2;
            color: var(--danger);
        }

        /* ===== Dimension Cards ===== */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dimension-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: all var(--transition);
            position: relative;
        }

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

        .dimension-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .dimension-card-icon.green {
            background: #F0F7D8;
            color: var(--accent-hover);
        }
        .dimension-card-icon.orange {
            background: #FFF4ED;
            color: var(--warning);
        }
        .dimension-card-icon.blue {
            background: #EEF4FF;
            color: #3B82F6;
        }
        .dimension-card-icon.purple {
            background: #F5F3FF;
            color: #8B5CF6;
        }
        .dimension-card-icon.cyan {
            background: #ECFEFF;
            color: #06B6D4;
        }
        .dimension-card-icon.slate {
            background: #F1F5F9;
            color: #64748B;
        }

        .dimension-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin: 0 0 8px;
        }

        .dimension-card p {
            font-size: 14px;
            color: var(--text-2);
            margin: 0 0 14px;
            line-height: 1.7;
        }

        .dimension-progress {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .dimension-progress-bar {
            height: 6px;
            background: var(--section-gray);
            border-radius: 3px;
            overflow: hidden;
        }

        .dimension-progress-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 0.6s ease;
        }

        .dimension-progress-fill.green {
            background: var(--accent);
        }
        .dimension-progress-fill.orange {
            background: var(--warning);
        }
        .dimension-progress-fill.blue {
            background: #3B82F6;
        }
        .dimension-progress-fill.purple {
            background: #8B5CF6;
        }
        .dimension-progress-fill.cyan {
            background: #06B6D4;
        }
        .dimension-progress-fill.slate {
            background: #64748B;
        }

        .dimension-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-3);
        }

        /* ===== Compare Section ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .compare-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .compare-card-header {
            padding: 18px 22px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .compare-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-1);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-card-body {
            padding: 22px;
        }

        .compare-metric {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--section-gray);
        }

        .compare-metric:last-child {
            border-bottom: none;
        }

        .compare-metric-label {
            font-size: 14px;
            color: var(--text-2);
        }

        .compare-metric-value {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-1);
        }

        .compare-metric-value.highlight-green {
            color: #16A34A;
        }
        .compare-metric-value.highlight-orange {
            color: var(--warning);
        }

        /* ===== Scenario Cards ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
        }

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

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
            margin: 0 0 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .scenario-card h3 i {
            color: var(--accent-hover);
            font-size: 15px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-1);
            user-select: none;
            gap: 12px;
        }

        .faq-question i {
            color: var(--text-3);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--accent-hover);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition);
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            border-left: 3px solid var(--accent);
            margin-left: 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #FFFFFF;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 24px;
            line-height: 1.7;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(184, 240, 68, 0.35);
            transform: translateY(-2px);
        }

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

        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #FFFFFF;
            border-top: 2px solid var(--accent);
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 48px 0 32px;
        }

        .footer-brand .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--accent);
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-chips {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.hidden-mobile {
                display: none;
            }
            .mobile-chips-row {
                display: flex;
            }
            .container {
                padding: 0 20px;
            }
            .hero-inner {
                min-height: 35vh;
            }
            .hero-content {
                padding: 32px 20px 28px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-content p {
                font-size: 15px;
            }
            .section {
                padding: 40px 0;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 0 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-content h2 {
                font-size: 22px;
            }
            .data-table-header {
                padding: 14px 16px;
            }
            .compare-card-body {
                padding: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 24px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .kpi-number {
                font-size: 30px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0D0F12;
            --accent: #B8F044;
            --accent-hover: #A0D935;
            --bg: #F6F7F9;
            --card-bg: #FFFFFF;
            --section-gray: #EEF0F4;
            --warning: #FF6B3D;
            --danger: #E93D3D;
            --text-1: #111827;
            --text-2: #4B5563;
            --text-3: #9CA3AF;
            --border: #E5E7EB;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-base: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
            --font-num: 'DIN', 'Inter', 'SF Mono', 'PingFang SC', monospace;
            --transition: 0.3s ease;
            --transition-fast: 0.2s ease;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-1);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            border: none;
            outline: none;
            background: transparent;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 48px;
        }

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

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 15, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 800;
            font-size: 22px;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--accent);
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .chip-preheat {
            color: #9CA3AF;
            border: 1.5px dashed #6B7280;
            background: transparent;
        }

        .chip-live {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: 1.5px solid var(--accent);
        }

        .chip-live .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.2s ease-in-out infinite;
            display: inline-block;
        }

        .chip-replay {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .chip-replay i {
            font-size: 11px;
            color: var(--accent);
        }

        @keyframes pulse {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #FFFFFF;
            font-size: 24px;
            padding: 8px;
            border-radius: 6px;
            transition: color var(--transition-fast);
            line-height: 1;
        }

        .nav-toggle:hover {
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            background: rgba(13, 15, 18, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            transition: color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 14px;
            }
            .nav-chips {
                gap: 6px;
            }
            .chip {
                padding: 4px 10px;
                font-size: 12px;
            }
        }

        @media (max-width: 820px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-chips {
                flex: 1;
                justify-content: flex-end;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }
            .nav-chips::-webkit-scrollbar {
                display: none;
            }
            .nav-chips .chip {
                flex-shrink: 0;
            }
            .mobile-menu.open {
                display: flex;
            }
            .nav-wrapper {
                height: 60px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 12px;
            }
            .nav-chips .chip {
                padding: 3px 8px;
                font-size: 11px;
                gap: 4px;
            }
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border: 1.5px solid var(--accent);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(184, 240, 68, 0.3);
            transform: translateY(-2px);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            font-weight: 500;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

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

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-1);
            font-weight: 500;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border: 1.5px solid var(--border);
        }

        .btn-outline-dark:hover {
            background: var(--section-gray);
            border-color: var(--text-3);
            transform: translateY(-2px);
        }

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

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 15, 18, 0.72);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 1;
            pointer-events: none;
        }

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

        .page-hero-title {
            font-size: 42px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .page-hero-title .highlight {
            color: var(--accent);
        }

        .page-hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

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

        @media (max-width: 768px) {
            .page-hero {
                min-height: 35vh;
                padding: 40px 0;
            }
            .page-hero-title {
                font-size: 30px;
            }
            .page-hero-desc {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                min-height: 30vh;
                padding: 32px 0;
            }
            .page-hero-title {
                font-size: 26px;
            }
            .page-hero-actions {
                flex-direction: column;
                gap: 10px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-3);
        }

        .breadcrumb a {
            color: var(--text-3);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--text-3);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--text-2);
            font-weight: 500;
        }

        /* ===== KPI Strip ===== */
        .kpi-strip {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .kpi-card {
            text-align: center;
            padding: 16px 12px;
            border-radius: var(--radius-md);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .kpi-number {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .kpi-number .accent {
            color: var(--accent);
        }

        .kpi-label {
            font-size: 13px;
            color: var(--text-2);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .kpi-number {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .kpi-number {
                font-size: 24px;
            }
            .kpi-card {
                padding: 12px 8px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

        .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-1);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-2);
            max-width: 520px;
            line-height: 1.6;
            margin-top: 8px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(184, 240, 68, 0.1);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(184, 240, 68, 0.3);
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ===== FAQ Layout ===== */
        .faq-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 36px;
            align-items: start;
        }

        .faq-sidebar {
            position: sticky;
            top: 90px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .faq-sidebar-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

        .faq-sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .faq-sidebar-list a {
            font-size: 14px;
            color: var(--text-2);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-sidebar-list a:hover {
            background: var(--section-gray);
            color: var(--text-1);
        }

        .faq-sidebar-list a .fa-icon {
            font-size: 12px;
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .faq-main {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-group {
            margin-bottom: 8px;
        }

        .faq-group-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 14px;
            padding-left: 12px;
            border-left: 3px solid var(--accent);
            line-height: 1.4;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: #C0C7D1;
        }

        .faq-item.open {
            border-color: var(--accent);
            box-shadow: var(--shadow-base);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 16px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-1);
            background: transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-question:hover {
            background: var(--section-gray);
        }

        .faq-item.open .faq-question {
            background: rgba(184, 240, 68, 0.06);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--section-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-2);
            transition: all var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }

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

        .faq-answer-inner {
            padding-left: 16px;
            border-left: 3px solid var(--accent);
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.75;
        }

        @media (max-width: 900px) {
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .faq-sidebar {
                position: static;
                order: 2;
            }
            .faq-sidebar-list {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 4px;
            }
            .faq-sidebar-list a {
                padding: 6px 10px;
                font-size: 13px;
                border: 1px solid var(--border);
                border-radius: 999px;
            }
        }

        /* ===== Resource Cards ===== */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .resource-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #C0C7D1;
        }

        .resource-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .resource-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .resource-card:hover .resource-card-img img {
            transform: scale(1.03);
        }

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

        .resource-card-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(184, 240, 68, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 12px;
        }

        .resource-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .resource-card-desc {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }

        .resource-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition-fast);
        }

        .resource-card-link:hover {
            color: var(--accent-hover);
        }

        @media (max-width: 900px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 600px) {
            .resource-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .resource-card-img {
                height: 160px;
            }
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: #FFFFFF;
            color: var(--text-2);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-chip:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(184, 240, 68, 0.25);
        }

        .tag-chip .fa-icon {
            font-size: 11px;
            color: var(--accent);
        }

        .tag-chip:hover .fa-icon {
            color: var(--primary);
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #C0C7D1;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            transition: all var(--transition);
        }

        .step-card:hover .step-number {
            background: var(--accent);
            color: var(--primary);
        }

        .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .step-desc {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.6;
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .step-card {
                padding: 18px 16px;
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 14px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 16px;
                margin: 0;
                flex-shrink: 0;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-title .highlight {
            color: var(--accent);
        }

        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-desc {
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A0C0E;
            border-top: 1px solid var(--accent);
            padding: 56px 0 24px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            line-height: 1.6;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
                align-items: center;
            }
        }