/* roulang page: index */
:root {
            --primary: #7C3AED;
            --primary-rgb: 124, 58, 237;
            --accent: #22D3EE;
            --accent-rgb: 34, 211, 238;
            --energy: #F97316;
            --energy-rgb: 249, 115, 22;
            --bg: #0D0B1A;
            --bg-soft: #12101E;
            --bg-card: #1B1830;
            --text: #F5F3FF;
            --text-muted: #A8A4B8;
            --border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.25);
            --gradient: linear-gradient(135deg, #7C3AED 0%, #22D3EE 100%);
            --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(34, 211, 238, 0.12) 100%);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --bs-primary: #7C3AED;
            --bs-primary-rgb: 124, 58, 237;
            --bs-body-bg: #0D0B1A;
            --bs-body-color: #F5F3FF;
            --bs-border-radius: 16px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .navbar-toggler:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

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

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

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.25;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
        }

        .section-desc-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

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

        .bg-gradient-full {
            background: var(--gradient);
        }

        .bg-soft-gradient {
            background: var(--gradient-soft);
        }

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 16px;
            padding: 12px 24px;
            transition: all 0.3s ease;
            border: none;
            letter-spacing: 0.3px;
            position: relative;
        }

        .btn-primary {
            background: var(--gradient);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--gradient);
            filter: brightness(1.12);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.7), 0 8px 24px rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(1.05);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
        }

        .btn-outline-secondary {
            background: transparent;
            color: var(--text);
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            box-shadow: none;
        }

        .btn-outline-secondary:hover,
        .btn-outline-secondary:focus {
            background: rgba(34, 211, 238, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
        }

        .btn-outline-secondary:active {
            transform: translateY(0);
        }

        .btn-energy {
            background: var(--energy);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }

        .btn-energy:hover,
        .btn-energy:focus {
            background: #ea6a0a;
            color: #fff;
            box-shadow: 0 0 16px rgba(249, 115, 22, 0.65), 0 8px 24px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 12px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
            border-radius: 16px;
        }

        /* ===== Header / Nav ===== */
        .navbar-js {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(13, 11, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.35s ease, border-color 0.35s ease;
            padding: 12px 0;
        }

        .navbar-js.scrolled {
            background: rgba(13, 11, 26, 0.97);
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }

        .navbar-js .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            letter-spacing: 0.5px;
        }

        .navbar-js .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
        }

        .navbar-js .navbar-brand:hover {
            color: var(--text);
        }

        .nav-link-js {
            color: var(--text-muted) !important;
            font-weight: 500;
            font-size: 14.5px;
            padding: 8px 14px !important;
            border-radius: 10px;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link-js:hover,
        .nav-link-js.active {
            color: var(--text) !important;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link-js.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--gradient);
            border-radius: 2px;
        }

        .navbar-toggler {
            border: 2px solid var(--accent);
            border-radius: 10px;
            padding: 6px 10px;
            background: rgba(34, 211, 238, 0.05);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.3);
        }

        .navbar-toggler .navbar-toggler-icon {
            background-image: none;
            position: relative;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .navbar-toggler .navbar-toggler-icon::before,
        .navbar-toggler .navbar-toggler-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .navbar-toggler .navbar-toggler-icon::before {
            top: -8px;
        }
        .navbar-toggler .navbar-toggler-icon::after {
            top: 8px;
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
            background: transparent;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
            top: 0;
            transform: rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .nav-cta-group {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        @media (max-width: 991.98px) {
            .navbar-js .navbar-collapse {
                background: rgba(18, 16, 30, 0.98);
                border-radius: var(--radius-lg);
                padding: 20px;
                margin-top: 12px;
                border: 1px solid var(--border);
                box-shadow: var(--shadow);
            }
            .nav-cta-group {
                flex-direction: column;
                gap: 10px;
                padding-top: 12px;
                border-top: 1px solid var(--border);
                margin-top: 12px;
            }
            .nav-cta-group .btn {
                width: 100%;
            }
            .section-title {
                font-size: 26px;
            }
            .section-pad {
                padding: 48px 0;
            }
        }

        /* ===== Hero ===== */
        .hero-js {
            position: relative;
            padding: 80px 0 80px;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(124, 58, 237, 0.25) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 80%, rgba(34, 211, 238, 0.15) 0%, transparent 55%),
                var(--bg);
            overflow: hidden;
        }

        .hero-js::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 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: 40px 40px;
            pointer-events: none;
        }

        .hero-grid-overlay {
            position: relative;
            z-index: 2;
        }

        .hero-h1 {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--text);
        }

        .hero-sub {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 620px;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            position: relative;
        }

        .compare-card {
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .compare-card.before {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .compare-card.after {
            background: var(--gradient-soft);
            border-color: rgba(124, 58, 237, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .compare-card .compare-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .compare-card.before .compare-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
        }

        .compare-card.after .compare-tag {
            background: var(--gradient);
            color: #fff;
        }

        .compare-card .compare-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .compare-card .compare-val {
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -1px;
            margin-bottom: 8px;
            line-height: 1.2;
        }

        .compare-card.before .compare-val {
            color: var(--text-muted);
        }

        .compare-card.after .compare-val {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .compare-card .compare-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 767.98px) {
            .hero-js {
                padding: 48px 0 48px;
            }
            .hero-h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-compare {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .compare-card {
                padding: 20px;
            }
            .compare-card .compare-val {
                font-size: 28px;
            }
        }

        /* ===== Data Badge Row ===== */
        .data-badge-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .data-badge-item {
            background: var(--gradient);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.25);
        }

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

        .data-badge-num {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-badge-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        @media (max-width: 991.98px) {
            .data-badge-row {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .data-badge-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .data-badge-item {
                padding: 18px 14px;
            }
            .data-badge-num {
                font-size: 24px;
            }
        }

        /* ===== General Card ===== */
        .card-js {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 28px;
            transition: all 0.3s ease;
            height: 100%;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .card-js:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.35);
        }

        .card-js .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
        }

        .card-js .card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .card-js .card-text {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Tier / Price Cards ===== */
        .price-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            transition: all 0.3s ease;
            position: relative;
            height: 100%;
            box-shadow: var(--shadow);
        }

        .price-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.4);
        }

        .price-card.featured {
            border-color: var(--primary);
            background: linear-gradient(170deg, rgba(124, 58, 237, 0.12) 0%, var(--bg-card) 40%);
            box-shadow: 0 8px 32px rgba(124, 58, 237, 0.3);
        }

        .price-card .price-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--gradient);
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .price-card .price-name {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .price-card .price-amount {
            font-size: 40px;
            font-weight: 700;
            color: var(--energy);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .price-card .price-period {
            font-size: 14px;
            color: var(--text-muted);
        }

        .price-card .price-divider {
            height: 1px;
            background: var(--border);
            margin: 20px 0;
        }

        .price-card .price-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .price-card .price-features li {
            padding: 8px 0;
            font-size: 14.5px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .price-card .price-features li i {
            color: var(--accent);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }

        /* ===== Badge / Tag ===== */
        .badge-js {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 8px;
            letter-spacing: 0.3px;
        }

        .badge-gradient {
            background: var(--gradient);
            color: #fff;
        }
        .badge-energy {
            background: rgba(249, 115, 22, 0.2);
            color: var(--energy);
        }
        .badge-cyan {
            background: rgba(34, 211, 238, 0.15);
            color: var(--accent);
        }

        /* ===== List Items ===== */
        .info-list-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            margin-bottom: 12px;
        }

        .info-list-item:hover {
            border-color: rgba(124, 58, 237, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .info-list-thumb {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .info-list-content {
            flex: 1;
        }

        .info-list-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .info-list-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-js .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .faq-js .accordion-button {
            background: transparent;
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 20px;
            box-shadow: none !important;
            border-radius: var(--radius-lg) !important;
        }

        .faq-js .accordion-button:not(.collapsed) {
            background: var(--gradient-soft);
            color: var(--text);
        }

        .faq-js .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-js .accordion-button:not(.collapsed)::after {
            content: "\f077";
        }

        .faq-js .accordion-body {
            padding: 16px 20px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            border-top: 1px solid var(--border);
        }

        /* ===== Testimonial ===== */
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 24px;
            transition: all 0.3s ease;
            height: 100%;
            box-shadow: var(--shadow);
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.35);
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-stars {
            color: #F5C518;
            font-size: 13px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 12px 0;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
        }

        .testimonial-role {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Footer ===== */
        .footer-js {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 48px 0 32px;
            margin-top: 0;
        }

        .footer-js .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            margin-bottom: 12px;
        }

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

        .footer-js .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-js h6 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }

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

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

        .footer-js .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color 0.3s ease;
        }

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

        .footer-js .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            margin-top: 36px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }

        @media (max-width: 767.98px) {
            .footer-js {
                padding: 32px 0 24px;
            }
            .footer-js .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ===== Utility ===== */
        .bg-dark-soft {
            background: var(--bg-soft);
        }
        .bg-card-plain {
            background: var(--bg-card);
        }
        .border-soft {
            border-color: var(--border) !important;
        }
        .text-muted {
            color: var(--text-muted) !important;
        }
        .gap-24 {
            gap: 24px;
        }
        .gap-16 {
            gap: 16px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .fw-bold {
            font-weight: 700;
        }
        .fw-semibold {
            font-weight: 600;
        }

        .img-cover-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .img-cover-wrap::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(170deg, rgba(124, 58, 237, 0.15) 0%, rgba(13, 11, 26, 0.4) 70%);
            pointer-events: none;
        }

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

        .img-cover-wrap:hover img {
            transform: scale(1.03);
        }

        .divider-gradient {
            height: 3px;
            background: var(--gradient);
            border-radius: 2px;
            opacity: 0.5;
            max-width: 80px;
        }

        .list-unstyled {
            padding-left: 0;
            list-style: none;
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title {
                font-size: 24px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #7C3AED;
            --primary-rgb: 124, 58, 237;
            --accent: #22D3EE;
            --accent-rgb: 34, 211, 238;
            --energy: #F97316;
            --energy-rgb: 249, 115, 22;
            --bg: #0D0B1A;
            --bg-soft: #12101E;
            --bg-card: #1B1830;
            --text: #F5F3FF;
            --text-muted: #A8A4B8;
            --border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.25);
            --gradient: linear-gradient(135deg, #7C3AED 0%, #22D3EE 100%);
            --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(34, 211, 238, 0.12) 100%);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --bs-primary: #7C3AED;
            --bs-primary-rgb: 124, 58, 237;
            --bs-body-bg: #0D0B1A;
            --bs-body-color: #F5F3FF;
            --bs-border-radius: 16px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .navbar-toggler:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

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

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

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.25;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
        }

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

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 22px;
            transition: all 0.3s ease;
            border: none;
            letter-spacing: 0.3px;
            position: relative;
        }

        .btn-primary {
            background: var(--gradient);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--gradient);
            filter: brightness(1.12);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.7), 0 8px 24px rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(1.05);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
        }

        .btn-outline-secondary {
            background: transparent;
            color: var(--text);
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            box-shadow: none;
        }

        .btn-outline-secondary:hover,
        .btn-outline-secondary:focus {
            background: rgba(34, 211, 238, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
        }

        .btn-outline-secondary:active {
            transform: translateY(0);
        }

        .btn-energy {
            background: var(--energy);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }

        .btn-energy:hover,
        .btn-energy:focus {
            background: #ea6a0a;
            color: #fff;
            box-shadow: 0 0 16px rgba(249, 115, 22, 0.65), 0 8px 24px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 12px;
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 17px;
            border-radius: 16px;
        }

        /* Header / Nav */
        .navbar-js {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(13, 11, 26, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 0;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .navbar-js .navbar {
            padding: 14px 0;
        }

        .navbar-js .navbar-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.3px;
        }

        .navbar-js .navbar-brand:hover {
            color: #fff;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--gradient);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
        }

        .navbar-nav .nav-item {
            margin: 0 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 10px;
            transition: all 0.3s ease;
            letter-spacing: 0.2px;
        }

        .navbar-nav .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }

        .navbar-nav .nav-link.active {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.1);
        }

        .nav-cta-group {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .navbar-toggler {
            border: 2px solid rgba(34, 211, 238, 0.5);
            border-radius: 10px;
            padding: 8px 10px;
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.3);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(245, 243, 255, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 24px 0 4px;
        }

        .breadcrumb {
            margin-bottom: 0;
            --bs-breadcrumb-divider-color: var(--text-muted);
            --bs-breadcrumb-item-active-color: var(--accent);
            font-size: 14px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.3s ease;
        }

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

        .breadcrumb-item+.breadcrumb-item::before {
            content: "/";
            color: rgba(255, 255, 255, 0.35);
        }

        /* Category Header */
        .category-header {
            padding: 28px 0 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .category-header .h1 {
            font-size: 34px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.3;
            color: var(--text);
        }

        .category-header .lead-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 820px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Stats Strip */
        .stats-strip {
            background: var(--gradient-soft);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 32px;
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stat-num {
            font-size: 32px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* Event Cards */
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.35s ease;
            height: 100%;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.35);
        }

        .event-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .event-card-body {
            padding: 20px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
            line-height: 1.4;
        }

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

        .event-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .event-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: 8px;
            background: rgba(124, 58, 237, 0.15);
            color: #C4B5FD;
            letter-spacing: 0.2px;
        }

        .event-badge.cyan {
            background: rgba(34, 211, 238, 0.12);
            color: #67E8F9;
        }

        .event-badge.orange {
            background: rgba(249, 115, 22, 0.14);
            color: #FDBA74;
        }

        /* Ranking Panel */
        .ranking-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }

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

        .ranking-item:hover {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 10px;
            padding-left: 10px;
        }

        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .rank-1 {
            background: var(--gradient);
            color: #fff;
        }

        .rank-2 {
            background: rgba(34, 211, 238, 0.18);
            color: #67E8F9;
        }

        .rank-3 {
            background: rgba(249, 115, 22, 0.18);
            color: #FDBA74;
        }

        .rank-other {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
        }

        .ranking-team {
            font-weight: 600;
            color: var(--text);
            font-size: 15px;
            flex: 1;
        }

        .ranking-score {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            white-space: nowrap;
        }

        /* Schedule Timeline */
        .schedule-timeline {
            position: relative;
            padding-left: 28px;
        }

        .schedule-timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: rgba(124, 58, 237, 0.3);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 24px;
        }

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

        .timeline-dot {
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--gradient);
            box-shadow: 0 0 10px rgba(124, 58, 237, 0.6);
        }

        .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.3px;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Editor Pick */
        .editor-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.35s ease;
            height: 100%;
            box-shadow: var(--shadow);
        }

        .editor-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .editor-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

        .editor-card:hover .editor-card-img img {
            transform: scale(1.04);
        }

        .editor-card-body {
            padding: 18px 18px 20px;
        }

        .editor-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .editor-card-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-soft);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

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

        .accordion-button {
            background: var(--bg-card);
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 20px;
            letter-spacing: -0.2px;
            border-radius: var(--radius-md) !important;
            transition: all 0.3s ease;
        }

        .accordion-button:not(.collapsed) {
            background: var(--gradient-soft);
            color: var(--accent);
            box-shadow: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25);
            border-color: rgba(34, 211, 238, 0.4);
        }

        .accordion-button::after {
            filter: brightness(0.8);
        }

        .accordion-body {
            background: var(--bg-card);
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            padding: 18px 20px;
        }

        /* CTA Section */
        .cta-box {
            background: var(--gradient);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(124, 58, 237, 0.35);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 350px;
            height: 350px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box .h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 16px;
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-white-outline {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 16px;
            padding: 12px 28px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .cta-box .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* Subscribe */
        .subscribe-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            box-shadow: var(--shadow);
        }

        .subscribe-panel .sub-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
        }

        .subscribe-panel .sub-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            color: var(--text);
            padding: 10px 16px;
            min-width: 240px;
            transition: all 0.3s ease;
        }

        .subscribe-form .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
            background: rgba(255, 255, 255, 0.08);
            outline: none;
            color: var(--text);
        }

        .subscribe-form .form-control::placeholder {
            color: rgba(168, 164, 184, 0.6);
        }

        /* Footer */
        .footer-js {
            background: #0A0816;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 32px;
            margin-top: 0;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-js h6 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color 0.3s ease;
        }

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

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(168, 164, 184, 0.7);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-js .navbar {
                padding: 10px 0;
            }

            .nav-cta-group {
                margin-top: 10px;
                flex-wrap: wrap;
            }

            .navbar-nav {
                padding: 12px 0;
            }

            .navbar-nav .nav-item {
                margin: 2px 0;
            }

            .navbar-collapse {
                background: rgba(13, 11, 26, 0.96);
                border-radius: 0 0 16px 16px;
                padding: 12px 16px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }

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

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

            .stat-num {
                font-size: 26px;
            }

            .cta-box {
                padding: 36px 24px;
            }

            .cta-box .h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding: 48px 0;
            }

            .section-pad-sm {
                padding: 32px 0;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .category-header {
                padding: 20px 0 24px;
            }

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

            .category-header .lead-desc {
                font-size: 15px;
            }

            .stats-strip {
                padding: 20px 12px;
                border-radius: var(--radius-md);
            }

            .stat-item {
                padding: 8px 4px;
            }

            .stat-num {
                font-size: 22px;
            }

            .stat-label {
                font-size: 12px;
            }

            .event-card-body {
                padding: 16px 16px 18px;
            }

            .event-card-title {
                font-size: 16px;
            }

            .event-card-desc {
                font-size: 13px;
            }

            .ranking-panel {
                padding: 16px;
            }

            .ranking-team {
                font-size: 14px;
            }

            .subscribe-panel {
                padding: 20px 16px;
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-form {
                width: 100%;
            }

            .subscribe-form .form-control {
                min-width: 0;
                flex: 1;
            }

            .cta-box {
                padding: 28px 16px;
                border-radius: var(--radius-lg);
            }

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

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

            .footer-js {
                padding: 40px 0 24px;
            }

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

        @media (max-width: 520px) {
            .category-header .h1 {
                font-size: 21px;
            }

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

            .event-card-img {
                aspect-ratio: 16 / 10;
            }

            .stat-num {
                font-size: 20px;
            }

            .btn {
                font-size: 14px;
                padding: 9px 16px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #7C3AED;
  --primary-rgb: 124, 58, 237;
  --accent: #22D3EE;
  --accent-rgb: 34, 211, 238;
  --energy: #F97316;
  --energy-rgb: 249, 115, 22;
  --bg: #0D0B1A;
  --bg-soft: #12101E;
  --bg-card: #1B1830;
  --text: #F5F3FF;
  --text-muted: #A8A4B8;
  --border: rgba(255, 255, 255, 0.08);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.25);
  --gradient: linear-gradient(135deg, #7C3AED 0%, #22D3EE 100%);
  --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(34, 211, 238, 0.12) 100%);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --bs-primary: #7C3AED;
  --bs-primary-rgb: 124, 58, 237;
  --bs-body-bg: #0D0B1A;
  --bs-body-color: #F5F3FF;
  --bs-border-radius: 16px;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.navbar-toggler:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 8px;
}

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

.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

.section-pad {
  padding: 60px 0;
}

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

.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  color: var(--text);
  line-height: 1.25;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.75;
}

.section-desc-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

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

.btn {
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 16px;
  padding: 12px 24px;
  transition: all 0.3s ease;
  border: none;
  letter-spacing: 0.3px;
  position: relative;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--gradient);
  filter: brightness(1.12);
  box-shadow: 0 0 16px rgba(124, 58, 237, 0.7), 0 8px 24px rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  filter: brightness(1.05);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
}

.btn-outline-secondary {
  background: transparent;
  color: var(--text);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  box-shadow: none;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: rgba(34, 211, 238, 0.08);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
}

.btn-outline-secondary:active {
  transform: translateY(0);
}

.btn-energy {
  background: var(--energy);
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
}

.btn-energy:hover,
.btn-energy:focus {
  background: #ea6a0a;
  color: #fff;
  box-shadow: 0 0 16px rgba(249, 115, 22, 0.65), 0 8px 24px rgba(249, 115, 22, 0.4);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 12px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 17px;
  border-radius: 16px;
}

/* ===== Header / Nav ===== */
.navbar-js {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(13, 11, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.navbar-js.scrolled {
  background: rgba(13, 11, 26, 0.96);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.2px;
}

.navbar-brand:hover {
  color: #fff;
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  border-radius: 12px;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

.navbar-toggler {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
  padding: 8px 10px;
  border-radius: 12px;
}

.navbar-toggler-icon {
  background-image: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 18px;
}

.navbar-toggler-icon::before {
  content: "\f0c9";
}

.navbar-nav .nav-link {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 15px;
  padding: 10px 14px;
  border-radius: 12px;
  transition: all 0.25s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.navbar-nav .nav-link.active {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
}

.nav-cta-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ===== Breadcrumb ===== */
.breadcrumb-js {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 16px 0 0;
}

.breadcrumb-js a {
  color: var(--text-muted);
}

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

.breadcrumb-js .sep {
  color: var(--text-muted);
  opacity: 0.6;
}

.breadcrumb-js .current {
  color: var(--accent);
}

/* ===== Category Hero ===== */
.category-hero {
  padding: 14px 0 36px;
  position: relative;
  overflow: hidden;
}

.category-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 30%, rgba(124, 58, 237, 0.18), transparent 45%),
              radial-gradient(circle at 10% 80%, rgba(34, 211, 238, 0.15), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

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

.category-hero h1 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--text);
}

.category-hero .desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 760px;
  line-height: 1.85;
}

/* ===== Strategy List ===== */
.strategy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.strategy-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(124, 58, 237, 0.5);
}

.strategy-card .card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-soft);
}

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

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

.strategy-card .card-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13, 11, 26, 0.8) 100%);
}

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

.strategy-card .card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.strategy-card .card-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.badge-js {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(124, 58, 237, 0.18);
  color: var(--accent);
  border: 1px solid rgba(124, 58, 237, 0.35);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
}

.badge-energy {
  background: rgba(249, 115, 22, 0.15);
  color: var(--energy);
  border-color: rgba(249, 115, 22, 0.35);
}

.badge-accent {
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent);
  border-color: rgba(34, 211, 238, 0.3);
}

/* ===== Data Stat Strip ===== */
.data-strip-js {
  background: var(--gradient-soft);
  border-radius: var(--radius-xl);
  padding: 24px 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}

.data-stat-item {
  text-align: center;
  padding: 10px 8px;
}

.data-stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.data-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== Ranking List ===== */
.rank-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.rank-item:hover {
  border-color: rgba(34, 211, 238, 0.5);
  transform: translateX(4px);
}

.rank-num {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  border-radius: 12px;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}

.rank-num.silver {
  background: linear-gradient(135deg, #7C3AED, #22D3EE);
}

.rank-num.bronze {
  background: linear-gradient(135deg, #22D3EE, #F97316);
}

.rank-info h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.rank-info p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
}

.rank-tag {
  margin-left: auto;
  flex-shrink: 0;
}

/* ===== Editor Pick ===== */
.editor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 100%;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.editor-card:hover {
  transform: translateY(-5px);
  border-color: rgba(249, 115, 22, 0.5);
}

.editor-card .img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-soft);
}

.editor-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.editor-card .info {
  padding: 16px 18px 18px;
}

.editor-card h5 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.editor-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ===== FAQ ===== */
.accordion-js .accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) !important;
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-js .accordion-button {
  background: var(--bg-card);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 20px;
  box-shadow: none;
  border-radius: var(--radius-lg) !important;
}

.accordion-js .accordion-button:not(.collapsed) {
  background: var(--gradient-soft);
  color: var(--accent);
  box-shadow: none;
}

.accordion-js .accordion-button::after {
  background-image: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f078";
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

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

.accordion-js .accordion-body {
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  padding: 0 20px 18px;
}

/* ===== CTA Banner ===== */
.cta-banner-js {
  background: var(--gradient-soft);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 40px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.cta-banner-js::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.3), transparent 60%);
  pointer-events: none;
}

.cta-banner-js .container {
  position: relative;
  z-index: 1;
}

.cta-banner-js h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.cta-banner-js p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 22px;
}

/* ===== Footer ===== */
.footer-js {
  background: #0A0816;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 56px 0 24px;
  margin-top: 40px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 14px;
}

.footer-brand:hover {
  color: #fff;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 360px;
}

.footer-js h6 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (min-width: 576px) {
  .category-hero h1 {
    font-size: 46px;
  }
}

@media (min-width: 768px) {
  .category-hero h1 {
    font-size: 52px;
  }
}

@media (min-width: 992px) {
  .navbar-nav {
    gap: 6px;
  }
  .nav-cta-group {
    gap: 12px;
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(13, 11, 26, 0.98);
    padding: 16px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    margin-top: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }
  .navbar-nav .nav-link {
    padding: 12px 14px;
  }
  .nav-cta-group {
    flex-direction: column;
    align-items: stretch;
    margin-top: 8px;
  }
  .nav-cta-group .btn {
    width: 100%;
  }
}

@media (max-width: 767.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .category-hero h1 {
    font-size: 32px;
  }
  .section-title {
    font-size: 26px;
  }
  .section-pad {
    padding: 40px 0;
  }
  .cta-banner-js h2 {
    font-size: 24px;
  }
  .data-stat-number {
    font-size: 26px;
  }
  .rank-item {
    gap: 12px;
    padding: 12px 14px;
  }
  .rank-tag {
    margin-left: 0;
  }
}

/* roulang page: category4 */
:root {
            --primary: #7C3AED;
            --primary-rgb: 124, 58, 237;
            --accent: #22D3EE;
            --accent-rgb: 34, 211, 238;
            --energy: #F97316;
            --energy-rgb: 249, 115, 22;
            --bg: #0D0B1A;
            --bg-soft: #12101E;
            --bg-card: #1B1830;
            --text: #F5F3FF;
            --text-muted: #A8A4B8;
            --border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.25);
            --gradient: linear-gradient(135deg, #7C3AED 0%, #22D3EE 100%);
            --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(34, 211, 238, 0.12) 100%);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --bs-primary: #7C3AED;
            --bs-primary-rgb: 124, 58, 237;
            --bs-body-bg: #0D0B1A;
            --bs-body-color: #F5F3FF;
            --bs-border-radius: 16px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .navbar-toggler:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 64px 0;
        }
        .section-pad-sm {
            padding: 40px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.3;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
        }
        .section-desc-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .text-gradient {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            transition: all 0.3s ease;
            border: none;
            letter-spacing: 0.3px;
            position: relative;
        }
        .btn-primary {
            background: var(--gradient);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--gradient);
            filter: brightness(1.12);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.7), 0 8px 24px rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(1.05);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
        }
        .btn-outline-secondary {
            background: transparent;
            color: var(--text);
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            box-shadow: none;
        }
        .btn-outline-secondary:hover,
        .btn-outline-secondary:focus {
            background: rgba(34, 211, 238, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
        }
        .btn-outline-secondary:active {
            transform: translateY(0);
        }
        .btn-energy {
            background: var(--energy);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }
        .btn-energy:hover,
        .btn-energy:focus {
            background: #ea6a0a;
            color: #fff;
            box-shadow: 0 0 16px rgba(249, 115, 22, 0.65), 0 8px 24px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 12px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
            border-radius: 16px;
        }
        .navbar-js {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(13, 11, 26, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .navbar-js .navbar {
            padding: 12px 0;
        }
        .navbar-js .navbar-brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-js .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient);
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(124,58,237,0.4);
        }
        .navbar-js .navbar-brand:hover {
            color: var(--text);
        }
        .navbar-js .navbar-nav {
            gap: 4px;
        }
        .navbar-js .nav-link-js {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: all 0.3s ease;
            letter-spacing: 0.3px;
        }
        .navbar-js .nav-link-js:hover {
            color: var(--text);
            background: rgba(255,255,255,0.06);
        }
        .navbar-js .nav-link-js.active {
            color: var(--text);
            background: var(--gradient-soft);
            font-weight: 600;
        }
        .navbar-js .nav-cta-group {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .navbar-js .navbar-toggler {
            border: 2px solid var(--accent);
            border-radius: 10px;
            padding: 6px 10px;
            background: rgba(34,211,238,0.06);
        }
        .navbar-js .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(34,211,238,0.25);
        }
        .navbar-js .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28245,243,255,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .breadcrumb-js {
            padding: 0;
            margin: 0;
            background: transparent;
            font-size: 14px;
        }
        .breadcrumb-js .breadcrumb-item a {
            color: var(--text-muted);
            transition: color 0.3s ease;
        }
        .breadcrumb-js .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-js .breadcrumb-item.active {
            color: var(--accent);
        }
        .breadcrumb-js .breadcrumb-item+.breadcrumb-item::before {
            content: "/";
            color: var(--text-muted);
            padding-right: 8px;
        }
        .category-header {
            padding: 48px 0 36px;
            background: linear-gradient(180deg, rgba(124,58,237,0.06) 0%, rgba(13,11,26,0) 100%);
            border-bottom: 1px solid var(--border);
        }
        .category-header h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -1px;
            margin-bottom: 14px;
            color: var(--text);
            line-height: 1.25;
        }
        .category-header .category-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 820px;
            line-height: 1.8;
        }
        .gear-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.4s ease;
            height: 100%;
            position: relative;
        }
        .gear-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124,58,237,0.35);
        }
        .gear-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .gear-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .gear-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .gear-card .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(13,11,26,0.7) 100%);
            pointer-events: none;
        }
        .gear-card .gear-category-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(13,11,26,0.75);
            backdrop-filter: blur(6px);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            border: 1px solid rgba(34,211,238,0.3);
        }
        .gear-card .card-body {
            padding: 20px 22px 22px;
        }
        .gear-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .gear-card .card-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.75;
        }
        .gear-card .gear-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .gear-card .gear-score {
            font-size: 26px;
            font-weight: 700;
            color: var(--energy);
            letter-spacing: -0.5px;
        }
        .gear-card .gear-score span {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-muted);
        }
        .gear-card .gear-tag {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255,255,255,0.06);
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid var(--border);
        }
        .stats-bar {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
        }
        .stats-bar .stat-item {
            text-align: center;
            padding: 12px 8px;
        }
        .stats-bar .stat-number {
            font-size: 36px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .stats-bar .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .rank-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all 0.3s ease;
            margin-bottom: 12px;
        }
        .rank-card:hover {
            border-color: rgba(34,211,238,0.3);
            background: rgba(27,24,48,0.9);
        }
        .rank-card .rank-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            min-width: 36px;
            text-align: center;
            letter-spacing: -0.5px;
        }
        .rank-card .rank-info {
            flex: 1;
        }
        .rank-card .rank-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }
        .rank-card .rank-meta {
            font-size: 13px;
            color: var(--text-muted);
        }
        .rank-card .rank-score {
            font-size: 20px;
            font-weight: 700;
            color: var(--energy);
        }
        .editor-pick {
            background: var(--gradient-soft);
            border: 1px solid rgba(124,58,237,0.25);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
            transition: all 0.3s ease;
        }
        .editor-pick:hover {
            border-color: rgba(34,211,238,0.4);
            box-shadow: var(--shadow-hover);
        }
        .editor-pick .editor-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient);
            color: #fff;
            font-size: 18px;
            margin-bottom: 14px;
        }
        .editor-pick h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
        .editor-pick p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .faq-js .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-js .accordion-button {
            background: transparent;
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }
        .faq-js .accordion-button:not(.collapsed) {
            background: rgba(124,58,237,0.08);
            color: var(--text);
            box-shadow: none;
        }
        .faq-js .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(34,211,238,0.2);
            border-color: var(--accent);
        }
        .faq-js .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2322D3EE'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-js .accordion-body {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            padding: 0 22px 20px;
            background: transparent;
        }
        .feedback-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            height: 100%;
            transition: all 0.3s ease;
        }
        .feedback-card:hover {
            border-color: rgba(124,58,237,0.3);
            box-shadow: var(--shadow);
        }
        .feedback-card .feedback-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .feedback-card .avatar-placeholder {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .feedback-card .feedback-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }
        .feedback-card .feedback-date {
            font-size: 12px;
            color: var(--text-muted);
        }
        .feedback-card .feedback-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }
        .cta-band {
            background: var(--gradient);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-band h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }
        .cta-band p {
            font-size: 16px;
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-band .btn {
            position: relative;
            z-index: 1;
        }
        .cta-band .btn-light-custom {
            background: #fff;
            color: var(--primary);
            border: none;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }
        .cta-band .btn-light-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }
        .footer-js {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 32px;
        }
        .footer-js .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-js .footer-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: var(--gradient);
            color: #fff;
            font-size: 14px;
        }
        .footer-js .footer-brand:hover {
            color: var(--text);
        }
        .footer-js .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 340px;
            line-height: 1.7;
        }
        .footer-js h6 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-js .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-js .footer-links li {
            margin-bottom: 8px;
        }
        .footer-js .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.3s ease;
        }
        .footer-js .footer-links a:hover {
            color: var(--accent);
        }
        .footer-js .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 991.98px) {
            .navbar-js .nav-cta-group {
                margin-top: 12px;
                flex-direction: column;
                width: 100%;
            }
            .navbar-js .nav-cta-group .btn {
                width: 100%;
            }
            .category-header h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-band h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding: 48px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
            .category-header {
                padding: 32px 0 24px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .category-header .category-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .stats-bar .stat-number {
                font-size: 28px;
            }
            .stats-bar .stat-label {
                font-size: 12px;
            }
            .gear-card .card-title {
                font-size: 16px;
            }
            .gear-card .gear-score {
                font-size: 22px;
            }
            .cta-band {
                padding: 32px 20px;
            }
            .cta-band h2 {
                font-size: 22px;
            }
            .footer-js .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .breadcrumb-js {
                font-size: 13px;
            }
        }
        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding: 36px 0;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .gear-card .card-body {
                padding: 16px 16px 18px;
            }
            .stats-bar .stat-item {
                padding: 8px 4px;
            }
            .stats-bar .stat-number {
                font-size: 24px;
            }
            .rank-card {
                padding: 14px 16px;
                gap: 12px;
            }
            .rank-card .rank-num {
                font-size: 18px;
                min-width: 28px;
            }
            .rank-card .rank-score {
                font-size: 16px;
            }
            .feedback-card {
                padding: 18px;
            }
            .cta-band h2 {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #7C3AED;
            --primary-rgb: 124, 58, 237;
            --accent: #22D3EE;
            --accent-rgb: 34, 211, 238;
            --energy: #F97316;
            --energy-rgb: 249, 115, 22;
            --bg: #0D0B1A;
            --bg-soft: #12101E;
            --bg-card: #1B1830;
            --text: #F5F3FF;
            --text-muted: #A8A4B8;
            --border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.25);
            --gradient: linear-gradient(135deg, #7C3AED 0%, #22D3EE 100%);
            --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(34, 211, 238, 0.12) 100%);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --bs-primary: #7C3AED;
            --bs-primary-rgb: 124, 58, 237;
            --bs-body-bg: #0D0B1A;
            --bs-body-color: #F5F3FF;
            --bs-border-radius: 16px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .navbar-toggler:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 68px 0;
        }
        .section-pad-sm {
            padding: 44px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text);
            line-height: 1.25;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
        }
        .text-gradient {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 22px;
            transition: all 0.3s ease;
            border: none;
            letter-spacing: 0.3px;
            position: relative;
        }
        .btn-primary {
            background: var(--gradient);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--gradient);
            filter: brightness(1.12);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.7), 0 8px 24px rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(1.05);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
        }
        .btn-outline-secondary {
            background: transparent;
            color: var(--text);
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            box-shadow: none;
        }
        .btn-outline-secondary:hover,
        .btn-outline-secondary:focus {
            background: rgba(34, 211, 238, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
        }
        .btn-outline-secondary:active {
            transform: translateY(0);
        }
        .btn-energy {
            background: var(--energy);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }
        .btn-energy:hover,
        .btn-energy:focus {
            background: #ea6a0a;
            color: #fff;
            box-shadow: 0 0 16px rgba(249, 115, 22, 0.65), 0 8px 24px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 12px;
        }
        .btn-lg {
            padding: 13px 28px;
            font-size: 16px;
            border-radius: 16px;
        }

        /* Header / Nav */
        .navbar-js {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(13, 11, 26, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 10px 0;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .navbar-js.scrolled {
            background: rgba(13, 11, 26, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
            border-bottom-color: rgba(255, 255, 255, 0.12);
        }
        .navbar-js .navbar {
            padding: 0;
            background: transparent;
        }
        .navbar-js .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            letter-spacing: -0.3px;
            padding: 0;
        }
        .navbar-js .navbar-brand:hover {
            color: var(--accent);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient);
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
        }
        .navbar-js .navbar-nav {
            gap: 4px;
        }
        .navbar-js .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 14px !important;
            border-radius: 10px;
            transition: all 0.3s ease;
            position: relative;
        }
        .navbar-js .nav-link:hover,
        .navbar-js .nav-link:focus {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-js .nav-link.active {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.08);
        }
        .navbar-js .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 2px;
            background: var(--gradient);
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-toggler {
            border: 2px solid var(--accent);
            border-radius: 10px;
            padding: 6px 10px;
            background: transparent;
            transition: all 0.3s ease;
        }
        .navbar-toggler:hover {
            background: rgba(34, 211, 238, 0.1);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(245,243,255,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 22px;
            height: 22px;
        }

        /* Breadcrumb */
        .breadcrumb-js {
            padding: 32px 0 0;
            background: transparent;
            margin-bottom: 0;
        }
        .breadcrumb-js .breadcrumb {
            margin-bottom: 0;
            --bs-breadcrumb-divider-color: var(--text-muted);
            --bs-breadcrumb-item-active-color: var(--accent);
            font-size: 14px;
        }
        .breadcrumb-js .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .breadcrumb-js .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb-item + .breadcrumb-item::before {
            content: '/';
            color: var(--text-muted);
            margin: 0 8px;
        }

        /* Page hero light */
        .page-hero {
            padding: 36px 0 28px;
            background: transparent;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -160px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text);
            line-height: 1.2;
        }
        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        /* Data stats strip */
        .stats-strip {
            background: var(--gradient-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            margin-bottom: 56px;
            position: relative;
            overflow: hidden;
        }
        .stats-strip::after {
            content: '';
            position: absolute;
            top: -80px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .stat-item {
            text-align: center;
            padding: 10px 8px;
            position: relative;
            z-index: 1;
        }
        .stat-number {
            font-size: 36px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

        /* Player cards */
        .player-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.35s ease;
            height: 100%;
            position: relative;
        }
        .player-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.3);
        }
        .player-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #12101E;
        }
        .player-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .player-card:hover .player-card-image img {
            transform: scale(1.04);
        }
        .player-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 11, 26, 0) 40%, rgba(13, 11, 26, 0.85) 100%);
            pointer-events: none;
        }
        .player-rank-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 5;
            background: var(--energy);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
        }
        .player-card-body {
            padding: 20px 20px 22px;
        }
        .player-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 4px;
        }
        .player-alias {
            font-size: 14px;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 10px;
        }
        .player-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .player-meta .badge-custom {
            background: rgba(124, 58, 237, 0.12);
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 8px;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }
        .player-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .player-stats-row {
            display: flex;
            gap: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .player-stat-mini {
            text-align: center;
        }
        .player-stat-mini .number {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .player-stat-mini .label {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* Ranking list */
        .ranking-list {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease;
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .ranking-number {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            border-radius: 10px;
            background: var(--gradient-soft);
            color: var(--accent);
            flex-shrink: 0;
        }
        .ranking-number.top {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
        }
        .ranking-sub {
            font-size: 13px;
            color: var(--text-muted);
        }
        .ranking-score {
            font-size: 18px;
            font-weight: 700;
            color: var(--energy);
            text-align: right;
            flex-shrink: 0;
        }
        .ranking-score small {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
        }

        /* Feature spotlight */
        .spotlight-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            height: 100%;
            transition: all 0.35s ease;
        }
        .spotlight-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(34, 211, 238, 0.25);
        }
        .spotlight-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .spotlight-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .spotlight-body {
            padding: 20px;
        }
        .spotlight-tag {
            display: inline-block;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 8px;
            margin-bottom: 10px;
        }
        .spotlight-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .spotlight-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Data insight panel */
        .insight-panel {
            background: var(--gradient-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            position: relative;
            overflow: hidden;
        }
        .insight-panel::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .insight-row {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }
        .insight-row:last-child {
            margin-bottom: 0;
        }
        .insight-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(124, 58, 237, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
        }
        .insight-row h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .insight-row p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Subscribe CTA */
        .cta-band {
            background: var(--gradient);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 36px rgba(124, 58, 237, 0.3);
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -120px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-band p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }
        .cta-band .btn {
            position: relative;
            z-index: 1;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .cta-band .btn:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* FAQ */
        .accordion-js {
            --bs-accordion-bg: var(--bg-card);
            --bs-accordion-color: var(--text);
            --bs-accordion-border-color: var(--border);
            --bs-accordion-btn-bg: var(--bg-card);
            --bs-accordion-btn-color: var(--text);
            --bs-accordion-active-bg: rgba(124, 58, 237, 0.08);
            --bs-accordion-active-color: var(--accent);
            --bs-accordion-btn-focus-box-shadow: none;
            --bs-accordion-border-radius: var(--radius-md);
            --bs-accordion-inner-border-radius: calc(var(--radius-md) - 1px);
            --bs-accordion-btn-padding-x: 20px;
            --bs-accordion-btn-padding-y: 16px;
            --bs-accordion-body-padding-x: 20px;
            --bs-accordion-body-padding-y: 16px;
        }
        .accordion-js .accordion-item {
            margin-bottom: 12px;
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-card);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
        }
        .accordion-js .accordion-item:hover {
            border-color: rgba(34, 211, 238, 0.25);
        }
        .accordion-js .accordion-button {
            font-size: 16px;
            font-weight: 600;
            padding: 18px 20px;
            color: var(--text);
            background: var(--bg-card);
            border-radius: var(--radius-md) !important;
        }
        .accordion-js .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: rgba(124, 58, 237, 0.06);
            border-bottom: 1px solid var(--border);
        }
        .accordion-js .accordion-button::after {
            background-size: 18px;
            transition: all 0.3s ease;
        }
        .accordion-js .accordion-body {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* Footer */
        .footer-js {
            background: #0A0814;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 28px;
            margin-top: 40px;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            margin-bottom: 12px;
            text-decoration: none;
        }
        .footer-brand:hover {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-js h6 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-js .navbar-collapse {
                background: rgba(13, 11, 26, 0.98);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border);
            }
            .nav-cta-group {
                flex-wrap: wrap;
                gap: 8px;
                margin-top: 12px;
            }
            .nav-cta-group .btn {
                flex: 1;
                min-width: 120px;
                text-align: center;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .stat-number {
                font-size: 28px;
            }
            .cta-band h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding: 48px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-strip {
                padding: 20px 12px;
            }
            .stat-item {
                padding: 6px 4px;
            }
            .stat-number {
                font-size: 22px;
            }
            .stat-label {
                font-size: 12px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .ranking-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .ranking-number {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .ranking-name {
                font-size: 14px;
            }
            .ranking-sub {
                font-size: 11px;
            }
            .ranking-score {
                font-size: 15px;
            }
            .insight-panel {
                padding: 24px 18px;
            }
            .cta-band {
                padding: 28px 18px;
            }
            .cta-band h2 {
                font-size: 20px;
            }
            .cta-band p {
                font-size: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }
        @media (max-width: 519.98px) {
            .page-hero h1 {
                font-size: 21px;
            }
            .section-title {
                font-size: 20px;
            }
            .player-card-body {
                padding: 14px;
            }
            .player-name {
                font-size: 17px;
            }
            .player-desc {
                font-size: 13px;
            }
            .player-stats-row {
                gap: 8px;
            }
            .spotlight-body {
                padding: 14px;
            }
            .spotlight-title {
                font-size: 16px;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .ranking-score {
                width: 100%;
                text-align: left;
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #7C3AED;
            --primary-rgb: 124, 58, 237;
            --accent: #22D3EE;
            --accent-rgb: 34, 211, 238;
            --energy: #F97316;
            --energy-rgb: 249, 115, 22;
            --bg: #0D0B1A;
            --bg-soft: #12101E;
            --bg-card: #1B1830;
            --text: #F5F3FF;
            --text-muted: #A8A4B8;
            --border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.25);
            --gradient: linear-gradient(135deg, #7C3AED 0%, #22D3EE 100%);
            --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(34, 211, 238, 0.12) 100%);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --bs-primary: #7C3AED;
            --bs-primary-rgb: 124, 58, 237;
            --bs-body-bg: #0D0B1A;
            --bs-body-color: #F5F3FF;
            --bs-border-radius: 16px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .navbar-toggler:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 72px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.25;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
        }
        .section-desc-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .text-gradient {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 16px;
            padding: 12px 24px;
            transition: all 0.3s ease;
            border: none;
            letter-spacing: 0.3px;
            position: relative;
        }
        .btn-primary {
            background: var(--gradient);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--gradient);
            filter: brightness(1.12);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.7), 0 8px 24px rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(1.05);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
        }
        .btn-outline-secondary {
            background: transparent;
            color: var(--text);
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            box-shadow: none;
        }
        .btn-outline-secondary:hover,
        .btn-outline-secondary:focus {
            background: rgba(34, 211, 238, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
        }
        .btn-outline-secondary:active {
            transform: translateY(0);
        }
        .btn-energy {
            background: var(--energy);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }
        .btn-energy:hover,
        .btn-energy:focus {
            background: #ea6a0a;
            color: #fff;
            box-shadow: 0 0 16px rgba(249, 115, 22, 0.65), 0 8px 24px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 12px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
            border-radius: 16px;
        }

        /* ===== Header / Nav ===== */
        .navbar-js {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(13, 11, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease;
        }
        .navbar-js.scrolled {
            background: rgba(13, 11, 26, 0.96);
            border-bottom: 1px solid var(--border);
        }
        .navbar-js .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .navbar-brand:hover {
            color: var(--text);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
        }
        .navbar-nav {
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        .navbar-nav .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.1);
        }
        .nav-cta-group {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .navbar-toggler {
            border: 2px solid var(--accent);
            border-radius: 10px;
            padding: 8px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            padding: 28px 0 0;
            background: transparent;
        }
        .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-item a {
            color: var(--text-muted);
            transition: color 0.3s ease;
        }
        .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-item.active {
            color: var(--accent);
        }
        .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.3);
            content: "/";
            margin: 0 8px;
        }

        /* ===== Category Header ===== */
        .cat-header {
            padding: 36px 0 56px;
            background: var(--bg);
        }
        .cat-header h1 {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.2;
        }
        .cat-header .cat-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 800px;
            line-height: 1.8;
        }

        /* ===== News List ===== */
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.3);
        }
        .news-card .news-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .news-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .news-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 8px;
            background: var(--gradient-soft);
            color: var(--accent);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .news-card .news-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .news-card .news-meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            align-items: center;
        }
        .news-card .news-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ===== Data Stats Bar ===== */
        .stats-bar {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
        }
        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }
        .stat-item .stat-number {
            font-size: 34px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== Hot Ranking ===== */
        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .rank-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }
        .rank-list li:hover {
            border-color: rgba(34, 211, 238, 0.3);
            background: rgba(27, 24, 48, 0.9);
        }
        .rank-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-soft);
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .rank-number.top1 {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info .rank-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-info .rank-desc {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 8px;
            background: rgba(249, 115, 22, 0.15);
            color: var(--energy);
            flex-shrink: 0;
        }

        /* ===== Featured Card ===== */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.3);
        }
        .feature-card .feature-img-wrap {
            position: relative;
            aspect-ratio: 21/9;
            overflow: hidden;
        }
        .feature-card .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-card:hover .feature-img-wrap img {
            transform: scale(1.04);
        }
        .feature-card .feature-body {
            padding: 24px 26px 26px;
        }
        .feature-card .feature-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 8px;
            background: var(--gradient);
            color: #fff;
            margin-bottom: 10px;
        }
        .feature-card .feature-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .feature-card .feature-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        /* ===== FAQ Accordion ===== */
        .accordion-js .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-js .accordion-button {
            background: var(--bg-card);
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .accordion-js .accordion-button:not(.collapsed) {
            background: rgba(124, 58, 237, 0.08);
            color: var(--accent);
            box-shadow: none;
        }
        .accordion-js .accordion-button::after {
            filter: invert(0.8);
        }
        .accordion-js .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
        }
        .accordion-js .accordion-body {
            background: var(--bg-card);
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            padding: 16px 22px 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--gradient-soft);
            border: 1px solid rgba(124, 58, 237, 0.2);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            left: -20%;
            width: 70%;
            height: 220%;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60%;
            right: -20%;
            width: 70%;
            height: 220%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-section > * {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Footer ===== */
        .footer-js {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 56px 0 0;
            margin-top: 24px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            margin-bottom: 14px;
        }
        .footer-brand:hover {
            color: var(--text);
        }
        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-size: 14px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-js h6 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.3s ease, padding-left 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 16px 0;
                gap: 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 12px;
            }
            .nav-cta-group {
                padding: 12px 0 8px;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cat-header h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 26px;
            }
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding: 48px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
            .cat-header {
                padding: 24px 0 36px;
            }
            .cat-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .feature-card .feature-title {
                font-size: 18px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .news-card .news-title {
                font-size: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cat-header h1 {
                font-size: 24px;
            }
            .stats-bar .row {
                gap: 12px;
            }
            .stat-item {
                padding: 8px 4px;
            }
            .stat-item .stat-number {
                font-size: 22px;
            }
            .rank-list li {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #7C3AED;
            --primary-rgb: 124, 58, 237;
            --accent: #22D3EE;
            --accent-rgb: 34, 211, 238;
            --energy: #F97316;
            --energy-rgb: 249, 115, 22;
            --bg: #0D0B1A;
            --bg-soft: #12101E;
            --bg-card: #1B1830;
            --text: #F5F3FF;
            --text-muted: #A8A4B8;
            --border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.25);
            --gradient: linear-gradient(135deg, #7C3AED 0%, #22D3EE 100%);
            --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(34, 211, 238, 0.12) 100%);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --bs-primary: #7C3AED;
            --bs-primary-rgb: 124, 58, 237;
            --bs-body-bg: #0D0B1A;
            --bs-body-color: #F5F3FF;
            --bs-border-radius: 16px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .navbar-toggler:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 72px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.25;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
        }
        .section-desc-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .text-gradient {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 16px;
            padding: 12px 24px;
            transition: all 0.3s ease;
            border: none;
            letter-spacing: 0.3px;
            position: relative;
        }
        .btn-primary {
            background: var(--gradient);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--gradient);
            filter: brightness(1.12);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.7), 0 8px 24px rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(1.05);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.5);
        }
        .btn-outline-secondary {
            background: transparent;
            color: var(--text);
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            box-shadow: none;
        }
        .btn-outline-secondary:hover,
        .btn-outline-secondary:focus {
            background: rgba(34, 211, 238, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
        }
        .btn-outline-secondary:active {
            transform: translateY(0);
        }
        .btn-energy {
            background: var(--energy);
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
        }
        .btn-energy:hover,
        .btn-energy:focus {
            background: #ea6a0a;
            color: #fff;
            box-shadow: 0 0 16px rgba(249, 115, 22, 0.65), 0 8px 24px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 12px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
            border-radius: 16px;
        }
        /* Header / Nav */
        .navbar-js {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(13, 11, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 10px 0;
        }
        .navbar-js .navbar {
            padding: 0;
            background: transparent;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text) !important;
            letter-spacing: 0.5px;
        }
        .navbar-brand:hover {
            color: var(--accent) !important;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient);
            color: #fff;
            font-size: 16px;
        }
        .navbar-toggler {
            border: 1px solid rgba(34, 211, 238, 0.5);
            background: rgba(34, 211, 238, 0.08);
            padding: 8px 12px;
            border-radius: 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .nav-link-js {
            color: var(--text-muted) !important;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        .nav-link-js:hover,
        .nav-link-js.active {
            color: var(--text) !important;
            background: rgba(124, 58, 237, 0.18);
        }
        .nav-link-js.active {
            color: var(--accent) !important;
            background: rgba(34, 211, 238, 0.12);
        }
        .nav-cta-group {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        /* Breadcrumb */
        .breadcrumb-js {
            background: transparent;
            padding: 0;
            margin-bottom: 12px;
            font-size: 14px;
        }
        .breadcrumb-js .breadcrumb-item a {
            color: var(--text-muted);
            transition: color 0.3s ease;
        }
        .breadcrumb-js .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-js .breadcrumb-item.active {
            color: var(--text);
        }
        .breadcrumb-js .breadcrumb-item + .breadcrumb-item::before {
            content: "/";
            color: var(--text-muted);
        }
        /* Category Header */
        .category-header {
            padding: 48px 0 32px;
            background: var(--gradient-soft);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .category-header h1 {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -1px;
            margin-bottom: 12px;
            color: var(--text);
        }
        .category-header .cat-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 760px;
            line-height: 1.8;
        }
        /* Ranking Cards */
        .rank-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.35s ease;
            height: 100%;
        }
        .rank-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(124, 58, 237, 0.35);
        }
        .rank-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .rank-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .rank-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .rank-card .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(13, 11, 26, 0.8) 100%);
            pointer-events: none;
        }
        .rank-card .card-body {
            padding: 20px 22px 22px;
        }
        .rank-card .rank-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: var(--gradient-soft);
            border: 1px solid rgba(34, 211, 238, 0.25);
            color: var(--accent);
            margin-bottom: 12px;
        }
        .rank-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .rank-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .rank-card .rank-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
        }
        .rank-card .rank-meta .badge-metric {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text);
        }
        /* Data stats bar */
        .stats-bar {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
        }
        .stats-bar .stat-item {
            text-align: center;
            padding: 12px 8px;
        }
        .stats-bar .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .stats-bar .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        /* Ranking table */
        .ranking-table-wrap {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
        }
        .ranking-table th {
            background: rgba(124, 58, 237, 0.2);
            color: var(--text);
            font-weight: 600;
            padding: 14px 18px;
            font-size: 13px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .ranking-table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            vertical-align: middle;
        }
        .ranking-table tbody tr:last-child td {
            border-bottom: none;
        }
        .ranking-table tbody tr {
            transition: background 0.3s ease;
        }
        .ranking-table tbody tr:hover {
            background: rgba(124, 58, 237, 0.1);
        }
        .ranking-table .rank-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            width: 60px;
        }
        .ranking-table .rank-name {
            font-weight: 600;
            color: var(--text);
        }
        .ranking-table .change-up {
            color: var(--accent);
            font-weight: 600;
        }
        .ranking-table .change-down {
            color: var(--energy);
            font-weight: 600;
        }
        /* Editor picks */
        .editor-pick-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .editor-pick-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .editor-pick-card .pick-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 8px;
            background: rgba(249, 115, 22, 0.15);
            color: var(--energy);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .editor-pick-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .editor-pick-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        /* FAQ */
        .accordion-js .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .accordion-js .accordion-header {
            margin: 0;
        }
        .accordion-js .accordion-button {
            background: transparent;
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md);
        }
        .accordion-js .accordion-button:not(.collapsed) {
            background: rgba(124, 58, 237, 0.12);
            color: var(--text);
            box-shadow: none;
        }
        .accordion-js .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25);
        }
        .accordion-js .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2322D3EE'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .accordion-js .accordion-body {
            padding: 8px 22px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
        }
        /* Subscribe */
        .subscribe-card {
            background: var(--gradient-soft);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-xl);
            padding: 36px 30px;
            position: relative;
            overflow: hidden;
        }
        .subscribe-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: var(--gradient);
            border-radius: 50%;
            opacity: 0.1;
            pointer-events: none;
        }
        .subscribe-card .form-control {
            background: rgba(13, 11, 26, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            color: var(--text);
            font-size: 15px;
            transition: all 0.3s ease;
        }
        .subscribe-card .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
            outline: none;
        }
        .subscribe-card .form-control::placeholder {
            color: var(--text-muted);
        }
        /* CTA Section */
        .cta-section {
            background: var(--gradient);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            box-shadow: 0 12px 40px rgba(124, 58, 237, 0.35);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            left: -80px;
            width: 240px;
            height: 240px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }
        /* Footer */
        .footer-js {
            background: var(--bg-soft);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text) !important;
            margin-bottom: 14px;
        }
        .footer-brand:hover {
            color: var(--accent) !important;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-js h6 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: all 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .nav-cta-group {
                margin-top: 12px;
                flex-wrap: wrap;
            }
            .nav-cta-group .btn {
                flex: 1;
                text-align: center;
            }
            .category-header h1 {
                font-size: 34px;
            }
        }
        @media (max-width: 767.98px) {
            .category-header {
                padding: 36px 0 24px;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .section-pad {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .stats-bar .stat-number {
                font-size: 28px;
            }
            .ranking-table th,
            .ranking-table td {
                padding: 10px 12px;
                font-size: 13px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .ranking-table {
                font-size: 12px;
            }
            .ranking-table th,
            .ranking-table td {
                padding: 8px 8px;
                font-size: 11px;
            }
            .ranking-table .rank-num {
                width: 40px;
                font-size: 14px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}