/* roulang page: index */
:root {
            --jade: #00C583;
            --jade-rgb: 0, 197, 131;
            --amber: #FFB300;
            --ink: #0A0E12;
            --card: #101820;
            --card-alt: #0F1816;
            --mist: #7C8B9C;
            --text-main: #E6EDF3;
            --text-sec: #9BAAB8;
            --text-weak: #5F6E7C;
            --border: rgba(124, 139, 156, 0.22);
            --border-jade: rgba(0, 197, 131, 0.35);
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            background-color: var(--ink);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 15% 25%, rgba(0, 197, 131, 0.04) 0, transparent 35%), radial-gradient(circle at 85% 70%, rgba(255, 179, 0, 0.03) 0, transparent 30%);
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--jade);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(10, 14, 18, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background-color: rgba(10, 14, 18, 0.98);
            border-bottom-color: var(--border-jade);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.06em;
            color: var(--text-main);
            transition: color var(--transition);
        }

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

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.25), rgba(255, 179, 0, 0.15));
            border: 1px solid var(--border-jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Inter', monospace;
            font-weight: 700;
            font-size: 14px;
            color: var(--jade);
            flex-shrink: 0;
        }

        .nav-cta {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .nav-cta:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }

        /* Section base */
        .section {
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
        }

        .section-alt {
            background-color: rgba(16, 24, 32, 0.55);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 197, 131, 0.25);
        }

        .section-title {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-sec);
            max-width: 680px;
            line-height: 1.8;
        }

        /* Cards */
        .card-base {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .card-base:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }

        .card-hover-jade:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
        }

        /* Data badge */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(0, 197, 131, 0.15);
            color: var(--jade);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(0, 197, 131, 0.25);
            white-space: nowrap;
        }

        .data-badge-amber {
            background-color: rgba(255, 179, 0, 0.15);
            color: var(--amber);
            border-color: rgba(255, 179, 0, 0.3);
        }

        .data-badge-gray {
            background-color: rgba(124, 139, 156, 0.12);
            color: var(--text-sec);
            border-color: rgba(124, 139, 156, 0.25);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            letter-spacing: 0.03em;
        }

        .btn-primary:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 6px 20px rgba(255, 179, 0, 0.35);
            color: #0A0E12;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--jade);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: 12px;
            border: 1px solid rgba(0, 197, 131, 0.5);
            cursor: pointer;
            transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
            letter-spacing: 0.03em;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 197, 131, 0.1);
            border-color: var(--jade);
            transform: translateX(2px);
        }

        /* Hero */
        .hero-section {
            min-height: 520px;
            display: flex;
            align-items: center;
            padding-top: 48px;
            padding-bottom: 48px;
            background-image: url('/assets/images/3b9edb1513d44fb5.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            isolation: isolate;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 18, 0.85) 0%, rgba(10, 14, 18, 0.72) 40%, rgba(10, 14, 18, 0.9) 100%);
            z-index: -1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 197, 131, 0.15);
            z-index: -1;
            pointer-events: none;
        }

        /* Marquee */
        .marquee-track {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            padding: 8px 0;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .marquee-track::-webkit-scrollbar {
            display: none;
        }

        .marquee-item {
            flex-shrink: 0;
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 12px 18px;
            font-family: 'Inter', monospace;
            font-size: 13px;
            color: var(--text-sec);
            transition: border-color var(--transition), transform var(--transition);
            cursor: default;
        }

        .marquee-item:hover {
            border-color: var(--border-jade);
            transform: translateY(-2px);
        }

        /* Table */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .compare-table th {
            text-align: left;
            padding: 14px 18px;
            background-color: rgba(0, 197, 131, 0.08);
            color: var(--jade);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border);
        }

        .compare-table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(124, 139, 156, 0.15);
            color: var(--text-sec);
        }

        .compare-table td:first-child {
            color: var(--text-main);
            font-weight: 600;
        }

        .compare-table tr:hover td {
            background-color: rgba(0, 197, 131, 0.04);
        }

        /* Timeline */
        .milestone-line {
            position: relative;
            display: flex;
            gap: 20px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(124, 139, 156, 0.2);
            transition: background-color var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(0, 197, 131, 0.12);
            color: var(--jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: transform var(--transition), background-color var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background-color: rgba(0, 197, 131, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-sec);
            font-size: 14px;
            line-height: 1.8;
            padding-left: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
            padding-left: 4px;
        }

        .faq-item.active {
            background-color: rgba(0, 197, 131, 0.04);
        }

        /* Form */
        .form-input {
            width: 100%;
            background-color: var(--card);
            border: 1px solid rgba(124, 139, 156, 0.35);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

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

        .form-input:focus {
            border-color: var(--jade);
            box-shadow: 0 0 0 3px rgba(0, 197, 131, 0.15);
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sec);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        /* Footer */
        .site-footer {
            background-color: #080B0F;
            border-top: 1px solid var(--border);
            padding-top: 48px;
            padding-bottom: 24px;
        }

        .footer-link {
            color: var(--text-sec);
            font-size: 14px;
            transition: color var(--transition);
            display: inline-block;
            padding: 2px 0;
        }

        .footer-link:hover {
            color: var(--jade);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .hero-section {
                min-height: auto;
                padding-top: 36px;
                padding-bottom: 36px;
            }

            .section-title {
                font-size: 20px;
            }
        }

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

            .nav-inner {
                height: 56px;
            }

            .nav-logo {
                font-size: 17px;
            }

            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 12px;
                border-radius: 8px;
            }

            .nav-cta {
                font-size: 13px;
                padding: 7px 16px;
                border-radius: 10px;
            }

            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .section-title {
                font-size: 18px;
                margin-bottom: 10px;
            }

            .section-desc {
                font-size: 14px;
            }

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

            .card-base {
                border-radius: 16px;
            }

            .compare-table {
                font-size: 12px;
            }

            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }

            .hero-section {
                background-position: top center;
            }

            .section-title {
                font-size: 17px;
            }

            .marquee-item {
                padding: 8px 12px;
                font-size: 12px;
                border-radius: 10px;
            }

            .milestone-line {
                flex-direction: column;
                gap: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --jade: #00C583;
            --jade-rgb: 0, 197, 131;
            --amber: #FFB300;
            --ink: #0A0E12;
            --card: #101820;
            --card-alt: #0F1816;
            --mist: #7C8B9C;
            --text-main: #E6EDF3;
            --text-sec: #9BAAB8;
            --text-weak: #5F6E7C;
            --border: rgba(124, 139, 156, 0.22);
            --border-jade: rgba(0, 197, 131, 0.35);
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition: 0.2s ease;
        }

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

        body {
            font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            background-color: var(--ink);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 15% 25%, rgba(0, 197, 131, 0.04) 0, transparent 35%), radial-gradient(circle at 85% 70%, rgba(255, 179, 0, 0.03) 0, transparent 30%);
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--jade);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(10, 14, 18, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background-color: rgba(10, 14, 18, 0.98);
            border-bottom-color: var(--border-jade);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.06em;
            color: var(--text-main);
            transition: color var(--transition);
        }

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

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.25), rgba(255, 179, 0, 0.15));
            border: 1px solid var(--border-jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Inter', monospace;
            font-weight: 700;
            font-size: 14px;
            color: var(--jade);
            flex-shrink: 0;
        }

        .nav-cta {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .nav-cta:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }

        .section {
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
        }

        .section-alt {
            background-color: rgba(16, 24, 32, 0.55);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 197, 131, 0.25);
        }

        .section-title {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-sec);
            max-width: 680px;
            line-height: 1.8;
        }

        .card-base {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .card-base:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }

        .card-hover-jade:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(0, 197, 131, 0.15);
            color: var(--jade);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(0, 197, 131, 0.25);
            white-space: nowrap;
        }

        .data-badge.amber {
            background-color: rgba(255, 179, 0, 0.15);
            color: var(--amber);
            border-color: rgba(255, 179, 0, 0.25);
        }

        .data-badge.gray {
            background-color: rgba(124, 139, 156, 0.15);
            color: var(--text-sec);
            border-color: rgba(124, 139, 156, 0.25);
        }

        .btn-primary {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 6px 20px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }

        .btn-outline {
            background-color: transparent;
            color: var(--jade);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 12px;
            border: 1px solid var(--jade);
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition), transform var(--transition);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            background-color: rgba(0, 197, 131, 0.1);
            transform: translateX(2px);
            color: var(--jade);
        }

        .league-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            background-color: rgba(16, 24, 32, 0.8);
            border: 1px solid var(--border);
            color: var(--text-sec);
            font-size: 13px;
            font-weight: 600;
            transition: border-color var(--transition), color var(--transition), background-color var(--transition);
            cursor: pointer;
        }

        .league-tag:hover,
        .league-tag.active {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.08);
        }

        .match-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            gap: 16px;
            flex-wrap: wrap;
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: 18px;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }

        .match-card:hover {
            border-color: var(--border-jade);
            transform: translateX(2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .match-score {
            font-family: 'Inter', monospace;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-main);
            letter-spacing: 0.05em;
        }

        .match-teams {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
        }

        .match-league {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            font-weight: 600;
        }

        .trend-card {
            padding: 18px 22px;
            border-radius: 16px;
            background-color: var(--card-alt);
            border: 1px solid var(--border);
            transition: border-color var(--transition), transform var(--transition);
        }

        .trend-card:hover {
            border-color: var(--border-jade);
            transform: translateX(2px);
        }

        .topic-card {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .topic-card:hover {
            border-color: var(--border-jade);
            transform: translateY(-4px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4);
        }

        .topic-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }

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

        .topic-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .topic-card-desc {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .topic-card-meta {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 16px;
            background-color: var(--card);
            overflow: hidden;
            transition: border-color var(--transition), background-color var(--transition);
            margin-bottom: 12px;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
            font-size: 15px;
            gap: 12px;
            transition: color var(--transition);
            user-select: none;
        }

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

        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--jade);
            transition: transform var(--transition);
            flex-shrink: 0;
            font-family: 'Inter', monospace;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-sec);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }

        .faq-item.open {
            background-color: rgba(0, 197, 131, 0.05);
            border-color: rgba(0, 197, 131, 0.3);
        }

        .subscribe-banner {
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.12), rgba(255, 179, 0, 0.06));
            border: 1px solid var(--border-jade);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .site-footer {
            background-color: #070B0F;
            border-top: 1px solid var(--border);
            padding-top: 40px;
            padding-bottom: 28px;
        }

        .footer-link {
            font-size: 14px;
            color: var(--text-sec);
            transition: color var(--transition);
            line-height: 2;
        }

        .footer-link:hover {
            color: var(--jade);
        }

        .category-h1-banner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            padding: 32px 0 20px;
            border-bottom: 1px solid var(--border);
        }

        .category-h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .category-h1-desc {
            font-size: 15px;
            color: var(--text-sec);
            max-width: 520px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-title {
                font-size: 20px;
            }
            .category-h1 {
                font-size: 26px;
            }
            .category-h1-banner {
                flex-direction: column;
                gap: 16px;
            }
            .match-card {
                padding: 14px 16px;
            }
            .match-score {
                font-size: 17px;
            }
            .subscribe-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 18px;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        @media (max-width: 520px) {
            .nav-inner {
                height: 56px;
            }
            .nav-logo {
                font-size: 17px;
                gap: 8px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 11px;
                border-radius: 8px;
            }
            .nav-cta {
                font-size: 12px;
                padding: 7px 14px;
                border-radius: 10px;
            }
            .section {
                padding-top: 36px;
                padding-bottom: 36px;
            }
            .section-title {
                font-size: 18px;
            }
            .category-h1 {
                font-size: 22px;
            }
            .match-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .match-score {
                font-size: 18px;
            }
            .topic-card-img {
                height: 150px;
            }
            .btn-primary,
            .btn-outline {
                font-size: 13px;
                padding: 10px 18px;
            }
        }

/* roulang page: category2 */
:root {
            --jade: #00C583;
            --jade-rgb: 0, 197, 131;
            --amber: #FFB300;
            --ink: #0A0E12;
            --card: #101820;
            --card-alt: #0F1816;
            --mist: #7C8B9C;
            --text-main: #E6EDF3;
            --text-sec: #9BAAB8;
            --text-weak: #5F6E7C;
            --border: rgba(124, 139, 156, 0.22);
            --border-jade: rgba(0, 197, 131, 0.35);
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            background-color: var(--ink);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 15% 25%, rgba(0, 197, 131, 0.04) 0, transparent 35%), radial-gradient(circle at 85% 70%, rgba(255, 179, 0, 0.03) 0, transparent 30%);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--jade);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--jade);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(10, 14, 18, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background-color: rgba(10, 14, 18, 0.98);
            border-bottom-color: var(--border-jade);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.06em;
            color: var(--text-main);
            transition: color var(--transition);
        }
        .nav-logo:hover {
            color: var(--jade);
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.25), rgba(255, 179, 0, 0.15));
            border: 1px solid var(--border-jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Inter', monospace;
            font-weight: 700;
            font-size: 14px;
            color: var(--jade);
            flex-shrink: 0;
        }
        .nav-cta {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }
        .section {
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
        }
        .section-alt {
            background-color: rgba(16, 24, 32, 0.55);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 197, 131, 0.25);
        }
        .section-title {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sec);
            max-width: 680px;
            line-height: 1.8;
        }
        .card-base {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .card-base:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }
        .card-hover-jade:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(0, 197, 131, 0.15);
            color: var(--jade);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(0, 197, 131, 0.25);
            white-space: nowrap;
        }
        .data-badge-amber {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 179, 0, 0.15);
            color: var(--amber);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 179, 0, 0.25);
            white-space: nowrap;
        }
        .data-badge-dim {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(124, 139, 156, 0.15);
            color: var(--text-sec);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(124, 139, 156, 0.3);
            white-space: nowrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            letter-spacing: 0.03em;
        }
        .btn-primary:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 6px 20px rgba(255, 179, 0, 0.35);
            color: #0A0E12;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--jade);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: 1px solid var(--jade);
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition), border-color var(--transition);
            letter-spacing: 0.03em;
        }
        .btn-secondary:hover {
            background-color: rgba(0, 197, 131, 0.1);
            border-color: var(--jade);
            color: var(--jade);
        }
        .list-card {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 16px;
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: border-color var(--transition), transform var(--transition);
            cursor: pointer;
        }
        .list-card:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
        }
        .list-card-main {
            flex: 1;
            min-width: 200px;
        }
        .list-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .list-card-desc {
            font-size: 13px;
            color: var(--text-sec);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .list-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-weak);
        }
        .list-card-badge-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .sub-nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: transparent;
            border: 1px solid var(--border);
            color: var(--text-sec);
            font-weight: 600;
            font-size: 14px;
            padding: 8px 18px;
            border-radius: 999px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .sub-nav-chip:hover {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.08);
        }
        .sub-nav-chip.active {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
        }
        .faq-item {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: background-color var(--transition), border-color var(--transition);
        }
        .faq-item.open {
            background-color: rgba(0, 197, 131, 0.05);
            border-color: rgba(0, 197, 131, 0.35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--jade);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: rgba(0, 197, 131, 0.1);
        }
        .faq-answer {
            display: none;
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.85;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            margin-top: 14px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .site-footer {
            background-color: #070A0E;
            border-top: 1px solid var(--border);
            padding-top: 48px;
            padding-bottom: 32px;
        }
        .footer-link {
            font-size: 14px;
            color: var(--text-sec);
            transition: color var(--transition);
            line-height: 1.8;
        }
        .footer-link:hover {
            color: var(--jade);
        }
        .trend-card {
            background-color: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: border-color var(--transition), transform var(--transition);
        }
        .trend-card:hover {
            border-color: var(--border-jade);
            transform: translateY(-2px);
        }
        .topic-card-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 16px 16px 0 0;
        }
        .topic-card-body {
            padding: 16px 18px;
        }
        .cta-strip {
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.12), rgba(255, 179, 0, 0.06));
            border: 1px solid var(--border-jade);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
        }
        @media (max-width: 768px) {
            .nav-inner {
                height: 56px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .nav-cta {
                font-size: 13px;
                padding: 8px 16px;
                border-radius: 10px;
            }
            .section-title {
                font-size: 20px;
            }
            .list-card {
                padding: 16px 18px;
                flex-direction: column;
                gap: 10px;
            }
            .list-card-badge-wrap {
                width: 100%;
                flex-wrap: wrap;
            }
            .cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 20px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .card-base,
            .faq-item,
            .trend-card,
            .list-card {
                border-radius: 16px;
            }
            .sub-nav-chip {
                font-size: 12px;
                padding: 6px 14px;
            }
            .data-badge,
            .data-badge-amber,
            .data-badge-dim {
                font-size: 11px;
                padding: 4px 10px;
            }
        }

/* roulang page: category4 */
:root {
            --jade: #00C583;
            --jade-rgb: 0, 197, 131;
            --amber: #FFB300;
            --ink: #0A0E12;
            --card: #101820;
            --card-alt: #0F1816;
            --mist: #7C8B9C;
            --text-main: #E6EDF3;
            --text-sec: #9BAAB8;
            --text-weak: #5F6E7C;
            --border: rgba(124, 139, 156, 0.22);
            --border-jade: rgba(0, 197, 131, 0.35);
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition: 0.2s ease;
        }

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

        body {
            font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            background-color: var(--ink);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 15% 25%, rgba(0, 197, 131, 0.04) 0, transparent 35%), radial-gradient(circle at 85% 70%, rgba(255, 179, 0, 0.03) 0, transparent 30%);
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--jade);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(10, 14, 18, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background-color: rgba(10, 14, 18, 0.98);
            border-bottom-color: var(--border-jade);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.06em;
            color: var(--text-main);
            transition: color var(--transition);
        }

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

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.25), rgba(255, 179, 0, 0.15));
            border: 1px solid var(--border-jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Inter', monospace;
            font-weight: 700;
            font-size: 14px;
            color: var(--jade);
            flex-shrink: 0;
        }

        .nav-cta {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .nav-cta:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }

        .section {
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
        }

        .section-alt {
            background-color: rgba(16, 24, 32, 0.55);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 197, 131, 0.25);
        }

        .section-title {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-sec);
            max-width: 680px;
            line-height: 1.8;
        }

        .card-base {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .card-base:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }

        .card-hover-jade:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(0, 197, 131, 0.15);
            color: var(--jade);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(0, 197, 131, 0.25);
            white-space: nowrap;
        }

        .data-badge-amber {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 179, 0, 0.15);
            color: var(--amber);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 179, 0, 0.3);
            white-space: nowrap;
        }

        .data-badge-weak {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(124, 139, 156, 0.12);
            color: var(--text-sec);
            font-family: 'Inter', monospace;
            font-weight: 500;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(124, 139, 156, 0.2);
            white-space: nowrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--amber);
            transform: translateX(3px);
            box-shadow: 0 6px 20px rgba(255, 179, 0, 0.32);
            color: #0A0E12;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--jade);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 12px;
            border: 1px solid var(--jade);
            cursor: pointer;
            transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 197, 131, 0.1);
            border-color: var(--amber);
            color: var(--amber);
            transform: translateX(2px);
        }

        .list-card {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 16px;
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            cursor: pointer;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .list-card:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(3px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
        }

        .list-card-main {
            flex: 1;
            min-width: 0;
        }

        .list-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.1);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .list-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .list-card-summary {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .list-card-meta {
            font-size: 12px;
            color: var(--text-weak);
            font-family: 'Inter', monospace;
            letter-spacing: 0.03em;
        }

        .sub-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 999px;
            background-color: var(--card);
            border: 1px solid var(--border);
            color: var(--text-sec);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .sub-tag:hover {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.08);
        }

        .sub-tag.active {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
        }

        .trend-item {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: border-color var(--transition), transform var(--transition);
        }

        .trend-item:hover {
            border-color: var(--border-jade);
            transform: translateY(-2px);
        }

        .topic-card {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .topic-card:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
        }

        .topic-img {
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
            display: block;
        }

        .topic-body {
            padding: 20px 22px;
        }

        .faq-item {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition), background-color var(--transition);
        }

        .faq-item.active {
            border-color: var(--border-jade);
            background-color: rgba(0, 197, 131, 0.05);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
            gap: 16px;
            user-select: none;
            transition: color var(--transition);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--jade);
            transition: transform var(--transition), border-color var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-sec);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 220px;
            padding-bottom: 20px;
        }

        .cta-banner {
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.1), rgba(255, 179, 0, 0.06));
            border: 1px solid var(--border-jade);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .site-footer {
            background-color: #080B0E;
            border-top: 1px solid var(--border);
            padding-top: 56px;
            padding-bottom: 32px;
            margin-top: 0;
        }

        .footer-link {
            color: var(--text-sec);
            font-size: 14px;
            transition: color var(--transition);
            display: inline-block;
            padding: 4px 0;
            text-decoration: none;
        }

        .footer-link:hover {
            color: var(--jade);
        }

        .hero-banner {
            position: relative;
            background-image: url('/assets/images/3b9edb1513d44fb5.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: 56px 48px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 18, 0.6);
            background-image: linear-gradient(135deg, rgba(0, 197, 131, 0.15), rgba(10, 14, 18, 0.75));
            z-index: 1;
        }

        .hero-banner > * {
            position: relative;
            z-index: 2;
        }

        @media (max-width: 1024px) {
            .section {
                padding-top: 52px;
                padding-bottom: 52px;
            }
            .hero-banner {
                padding: 40px 32px;
            }
            .cta-banner {
                padding: 28px 30px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .section {
                padding-top: 44px;
                padding-bottom: 44px;
            }
            .nav-inner {
                height: 58px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 12px;
                border-radius: 8px;
            }
            .nav-cta {
                font-size: 13px;
                padding: 8px 16px;
                border-radius: 10px;
            }
            .section-title {
                font-size: 20px;
            }
            .section-desc {
                font-size: 14px;
            }
            .hero-banner {
                padding: 30px 22px;
                border-radius: var(--radius-lg);
            }
            .list-card {
                padding: 18px 18px;
                border-radius: 18px;
            }
            .list-card-title {
                font-size: 15px;
            }
            .cta-banner {
                padding: 24px 22px;
                flex-direction: column;
                align-items: flex-start;
                border-radius: 20px;
            }
            .btn-primary, .btn-secondary {
                padding: 11px 22px;
                font-size: 14px;
            }
            .data-badge, .data-badge-amber, .data-badge-weak {
                font-size: 12px;
                padding: 5px 12px;
            }
            .sub-tag {
                padding: 8px 14px;
                font-size: 13px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 18px;
            }
            .trend-item {
                padding: 16px 18px;
                border-radius: 18px;
            }
            .topic-body {
                padding: 16px 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section {
                padding-top: 36px;
                padding-bottom: 36px;
            }
            .hero-banner {
                padding: 22px 16px;
                border-radius: 16px;
            }
            .section-title {
                font-size: 19px;
            }
            .list-card {
                flex-direction: column;
                gap: 10px;
            }
            .cta-banner {
                padding: 20px 16px;
                border-radius: 16px;
            }
            .btn-primary, .btn-secondary {
                padding: 10px 18px;
                font-size: 13px;
                border-radius: 10px;
            }
            .sub-tag {
                padding: 7px 12px;
                font-size: 12px;
            }
            .faq-question {
                padding: 14px 14px;
                font-size: 13px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 14px;
            }
            .trend-item {
                padding: 14px 14px;
                border-radius: 16px;
            }
            .topic-body {
                padding: 14px 14px;
            }
        }

/* roulang page: category3 */
:root {
            --jade: #00C583;
            --jade-rgb: 0, 197, 131;
            --amber: #FFB300;
            --ink: #0A0E12;
            --card: #101820;
            --card-alt: #0F1816;
            --mist: #7C8B9C;
            --text-main: #E6EDF3;
            --text-sec: #9BAAB8;
            --text-weak: #5F6E7C;
            --border: rgba(124, 139, 156, 0.22);
            --border-jade: rgba(0, 197, 131, 0.35);
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            background-color: var(--ink);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 15% 25%, rgba(0, 197, 131, 0.04) 0, transparent 35%), radial-gradient(circle at 85% 70%, rgba(255, 179, 0, 0.03) 0, transparent 30%);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--jade);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--jade);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(10, 14, 18, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background-color: rgba(10, 14, 18, 0.98);
            border-bottom-color: var(--border-jade);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.06em;
            color: var(--text-main);
            transition: color var(--transition);
        }
        .nav-logo:hover {
            color: var(--jade);
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.25), rgba(255, 179, 0, 0.15));
            border: 1px solid var(--border-jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Inter', monospace;
            font-weight: 700;
            font-size: 14px;
            color: var(--jade);
            flex-shrink: 0;
        }
        .nav-cta {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .nav-cta:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }
        .section {
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
        }
        .section-alt {
            background-color: rgba(16, 24, 32, 0.55);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 197, 131, 0.25);
        }
        .section-title {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sec);
            max-width: 680px;
            line-height: 1.8;
        }
        .card-base {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .card-base:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }
        .card-hover-jade:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(0, 197, 131, 0.15);
            color: var(--jade);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(0, 197, 131, 0.25);
            transition: background-color var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .data-badge.amber {
            background-color: rgba(255, 179, 0, 0.12);
            color: var(--amber);
            border-color: rgba(255, 179, 0, 0.3);
        }
        .data-badge.mist {
            background-color: rgba(124, 139, 156, 0.12);
            color: var(--mist);
            border-color: rgba(124, 139, 156, 0.25);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .btn-primary:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 20px rgba(255, 179, 0, 0.35);
            color: #0A0E12;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--jade);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: 12px;
            border: 1px solid var(--jade);
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background-color: rgba(0, 197, 131, 0.1);
            border-color: var(--amber);
            color: var(--amber);
            transform: translateX(2px);
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(16, 24, 32, 0.8);
            color: var(--text-sec);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid var(--border);
            transition: border-color var(--transition), color var(--transition), background-color var(--transition);
            white-space: nowrap;
        }
        .tag-chip:hover {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.08);
        }
        .tag-chip.active {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
        }
        .match-card {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .match-card:hover {
            border-color: rgba(0, 197, 131, 0.5);
            transform: translateX(2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        }
        .match-league {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--text-sec);
            text-transform: uppercase;
        }
        .match-teams {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }
        .match-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-weak);
        }
        .mono-num {
            font-family: 'Inter', monospace;
            font-weight: 600;
            letter-spacing: 0.05em;
        }
        .trend-item {
            background-color: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: border-color var(--transition), transform var(--transition);
        }
        .trend-item:hover {
            border-color: var(--border-jade);
            transform: translateX(2px);
        }
        .topic-card {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }
        .topic-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background-color: #0F1816;
        }
        .topic-card-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .faq-item {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition), background-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-jade);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--jade);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--jade);
            transition: transform var(--transition);
            flex-shrink: 0;
            font-weight: 400;
            line-height: 1;
        }
        .faq-question.active .faq-icon {
            transform: rotate(45deg);
            color: var(--amber);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-sec);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-answer.open {
            max-height: 260px;
            padding: 0 22px 20px;
        }
        .subscribe-bar {
            background-color: var(--card-alt);
            border: 1px solid var(--border-jade);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-footer {
            background-color: rgba(10, 14, 18, 0.98);
            border-top: 1px solid var(--border);
            padding-top: 48px;
            padding-bottom: 32px;
            margin-top: 0;
        }
        .footer-link {
            color: var(--text-sec);
            font-size: 14px;
            transition: color var(--transition);
            display: inline-block;
            padding: 2px 0;
        }
        .footer-link:hover {
            color: var(--jade);
        }
        .text-main {
            color: var(--text-main);
        }
        .text-sec {
            color: var(--text-sec);
        }
        .text-weak {
            color: var(--text-weak);
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-title {
                font-size: 22px;
            }
            .match-teams {
                font-size: 16px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-inner {
                height: 56px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 12px;
                border-radius: 8px;
            }
            .nav-cta {
                font-size: 13px;
                padding: 8px 16px;
                border-radius: 10px;
            }
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-title {
                font-size: 20px;
            }
            .match-card {
                padding: 16px 18px;
                border-radius: 16px;
            }
            .match-teams {
                font-size: 15px;
            }
            .topic-card-img {
                height: 140px;
            }
            .topic-card-body {
                padding: 16px 18px;
            }
            .subscribe-bar {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .tag-chip {
                font-size: 12px;
                padding: 6px 14px;
            }
            .faq-question {
                padding: 15px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 13px;
            }
            .faq-answer.open {
                padding: 0 16px 16px;
            }
        }
        @media (max-width: 520px) {
            .nav-inner {
                height: 52px;
            }
            .nav-logo {
                font-size: 16px;
                gap: 6px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 11px;
            }
            .nav-cta {
                font-size: 12px;
                padding: 7px 14px;
            }
            .section-title {
                font-size: 18px;
            }
            .match-teams {
                font-size: 14px;
            }
            .match-league {
                font-size: 11px;
            }
            .match-meta {
                font-size: 12px;
            }
        }

/* roulang page: category5 */
:root {
            --jade: #00C583;
            --jade-rgb: 0, 197, 131;
            --amber: #FFB300;
            --ink: #0A0E12;
            --card: #101820;
            --card-alt: #0F1816;
            --mist: #7C8B9C;
            --text-main: #E6EDF3;
            --text-sec: #9BAAB8;
            --text-weak: #5F6E7C;
            --border: rgba(124, 139, 156, 0.22);
            --border-jade: rgba(0, 197, 131, 0.35);
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition: 0.2s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            background-color: var(--ink);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 15% 25%, rgba(0, 197, 131, 0.04) 0, transparent 35%), radial-gradient(circle at 85% 70%, rgba(255, 179, 0, 0.03) 0, transparent 30%);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--jade);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--jade);
            outline-offset: 2px;
            border-radius: 6px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(10, 14, 18, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background-color: rgba(10, 14, 18, 0.98);
            border-bottom-color: var(--border-jade);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.06em;
            color: var(--text-main);
            transition: color var(--transition);
        }
        .nav-logo:hover {
            color: var(--jade);
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.25), rgba(255, 179, 0, 0.15));
            border: 1px solid var(--border-jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Inter', monospace;
            font-weight: 700;
            font-size: 14px;
            color: var(--jade);
            flex-shrink: 0;
        }
        .nav-cta {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .nav-cta:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }
        .section {
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
        }
        .section-alt {
            background-color: rgba(16, 24, 32, 0.55);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 197, 131, 0.25);
        }
        .section-title {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sec);
            max-width: 680px;
            line-height: 1.8;
        }
        .card-base {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .card-base:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }
        .card-hover-jade:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(0, 197, 131, 0.15);
            color: var(--jade);
            font-family: 'Inter', monospace;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(0, 197, 131, 0.25);
            white-space: nowrap;
        }
        .data-badge.amber {
            background-color: rgba(255, 179, 0, 0.15);
            color: var(--amber);
            border-color: rgba(255, 179, 0, 0.25);
        }
        .data-badge.mist {
            background-color: rgba(124, 139, 156, 0.15);
            color: var(--mist);
            border-color: rgba(124, 139, 156, 0.25);
        }
        .btn-primary {
            background-color: var(--jade);
            color: #0A0E12;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .btn-primary:hover {
            background-color: var(--amber);
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.3);
            color: #0A0E12;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--jade);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 12px;
            border: 1px solid var(--jade);
            cursor: pointer;
            transition: background-color var(--transition), transform var(--transition), color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .btn-secondary:hover {
            background-color: rgba(0, 197, 131, 0.1);
            transform: translateX(2px);
            color: var(--jade);
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(124, 139, 156, 0.12);
            color: var(--text-sec);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .tag-chip:hover {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.08);
        }
        .tag-chip.active {
            border-color: var(--jade);
            color: var(--jade);
            background-color: rgba(0, 197, 131, 0.12);
        }
        .news-card {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-start;
            cursor: pointer;
            transition: border-color var(--transition), transform var(--transition), background-color var(--transition);
            position: relative;
        }
        .news-card:hover {
            border-color: rgba(0, 197, 131, 0.55);
            transform: translateX(2px);
            background-color: var(--card-alt);
        }
        .news-card-main {
            flex: 1;
            min-width: 240px;
        }
        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: color var(--transition);
        }
        .news-card:hover .news-card-title {
            color: var(--jade);
        }
        .news-card-summary {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .news-card-source {
            font-size: 12px;
            color: var(--text-weak);
            font-family: 'Inter', monospace;
        }
        .news-card-time {
            font-size: 12px;
            color: var(--text-weak);
            font-family: 'Inter', monospace;
        }
        .news-card-badge {
            flex-shrink: 0;
        }
        .trend-brief {
            background-color: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: border-color var(--transition), transform var(--transition);
        }
        .trend-brief:hover {
            border-color: var(--border-jade);
            transform: translateY(-2px);
        }
        .trend-brief-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .trend-brief-text {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.7;
        }
        .method-box {
            background-color: var(--card);
            border: 1px solid var(--border-jade);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow);
        }
        .method-text {
            font-size: 15px;
            color: var(--text-sec);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .topic-card {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .topic-card:hover {
            border-color: var(--border-jade);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }
        .topic-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.03);
        }
        .topic-card-body {
            padding: 20px 24px 24px;
        }
        .topic-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: color var(--transition);
        }
        .topic-card:hover .topic-card-title {
            color: var(--jade);
        }
        .topic-card-summary {
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.7;
        }
        .faq-item {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition), background-color var(--transition);
        }
        .faq-item.active {
            border-color: var(--border-jade);
            background-color: rgba(0, 197, 131, 0.05);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
            transition: color var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--jade);
        }
        .faq-question-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background-color: rgba(0, 197, 131, 0.1);
            color: var(--jade);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform var(--transition), background-color var(--transition);
        }
        .faq-item.active .faq-question-icon {
            transform: rotate(45deg);
            background-color: rgba(0, 197, 131, 0.2);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-sec);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .cta-banner {
            background: linear-gradient(135deg, rgba(0, 197, 131, 0.08), rgba(255, 179, 0, 0.05));
            border: 1px solid var(--border-jade);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
        }
        .cta-banner-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .cta-banner-desc {
            font-size: 14px;
            color: var(--text-sec);
        }
        .site-footer {
            background-color: #080C10;
            border-top: 1px solid var(--border);
            padding-top: 56px;
            padding-bottom: 32px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(0, 197, 131, 0.5), rgba(255, 179, 0, 0.4), transparent);
        }
        .footer-link {
            color: var(--text-sec);
            font-size: 14px;
            transition: color var(--transition);
            display: inline-block;
            padding: 2px 0;
        }
        .footer-link:hover {
            color: var(--jade);
        }
        @media (max-width: 1024px) {
            .section {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .section-title {
                font-size: 22px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-title {
                font-size: 20px;
            }
            .nav-inner {
                height: 56px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 12px;
                border-radius: 8px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
                border-radius: 10px;
            }
            .news-card {
                padding: 18px;
                border-radius: 16px;
                flex-direction: column;
            }
            .news-card-badge {
                align-self: flex-start;
            }
            .method-box {
                padding: 24px;
                border-radius: 20px;
            }
            .cta-banner {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
                border-radius: 20px;
            }
            .topic-card-img {
                height: 150px;
            }
            .topic-card-body {
                padding: 16px 18px 20px;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-title {
                font-size: 18px;
            }
            .section-desc {
                font-size: 14px;
            }
            .btn-primary, .btn-secondary {
                padding: 10px 20px;
                font-size: 14px;
                border-radius: 10px;
            }
            .data-badge {
                font-size: 11px;
                padding: 4px 10px;
            }
            .tag-chip {
                font-size: 12px;
                padding: 4px 10px;
            }
            .news-card-title {
                font-size: 15px;
            }
            .news-card-summary {
                font-size: 13px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 13px;
            }
        }