/* roulang page: index */
:root {
            --c-dark: #1C1F26;
            --c-amber: #D4883A;
            --c-amber-hover: #E79A4E;
            --c-green: #3D6B57;
            --c-alert-bg: #F7EBDF;
            --c-bg: #F6F3EE;
            --c-card: #FFFFFF;
            --c-text: #1C1F26;
            --c-text-sub: #5A5F6A;
            --c-border: #E3DED5;
            --c-sep: #EEE9E2;
            --c-blue-slate: #4A6B8C;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(28, 31, 38, 0.06);
            --shadow-hover: 0 6px 24px rgba(28, 31, 38, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "Noto Sans Mono CJK SC", monospace;
            --container: 1180px;
            --nav-h: 68px;
            --section-pad: 64px 0;
            --section-sm: 36px 0;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--c-text);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: var(--c-amber);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--c-amber);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ---- Section base ---- */
        section {
            padding: var(--section-pad);
        }
        section.section-alt {
            background: var(--c-card);
        }
        section.section-deep {
            background: var(--c-dark);
            color: #fff;
        }
        section.section-warm {
            background: var(--c-alert-bg);
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--c-amber);
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: inherit;
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 26px;
            background: var(--c-amber);
            border-radius: 2px;
        }
        .section-head p.sub {
            margin-top: 10px;
            font-size: 15px;
            color: var(--c-text-sub);
            max-width: 680px;
        }

        /* ---- Nav ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(28, 31, 38, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(227, 222, 213, 0.15);
            height: var(--nav-h);
            display: flex;
            align-items: center;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(28, 31, 38, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--c-amber);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--c-dark);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.3px;
        }
        .logo-text em {
            color: var(--c-amber);
            font-style: normal;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 600;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            color: #fff;
        }
        .nav-links a.active {
            color: var(--c-amber);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--c-amber);
            border-radius: 1px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            border-radius: 50%;
            transition: background 0.25s;
        }
        .search-btn:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .search-btn svg {
            width: 20px;
            height: 20px;
        }
        .nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--c-amber);
            color: var(--c-dark);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: background 0.25s, color 0.25s, transform 0.2s;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--c-amber-hover);
            color: var(--c-dark);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            color: #fff;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 1px;
            transition: transform 0.3s, opacity 0.3s;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ---- Hero ---- */
        .hero {
            background: var(--c-dark);
            color: #fff;
            padding: 88px 0 72px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/2c1f103eb9b38762.webp');
            background-size: cover;
            background-position: center;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(28, 31, 38, 0.88);
            z-index: 1;
        }
        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: 1;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-content h1 .amber {
            color: var(--c-amber);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--c-amber);
            color: var(--c-dark);
            font-weight: 800;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
            box-shadow: 0 2px 12px rgba(212, 136, 58, 0.3);
        }
        .btn-primary:hover {
            background: var(--c-amber-hover);
            color: var(--c-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 136, 58, 0.45);
        }
        .btn-secondary {
            display: inline-block;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: border-color 0.25s, color 0.25s;
        }
        .btn-secondary:hover {
            border-color: var(--c-amber);
            color: var(--c-amber);
        }
        .hero-update {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .hero-update strong {
            color: var(--c-amber);
            font-weight: 700;
        }
        .hero-panel {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 20px;
            backdrop-filter: blur(8px);
            min-height: 340px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hero-panel-title {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: rgba(255, 255, 255, 0.5);
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .mini-ranking {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .mini-rank-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mini-rank-num {
            font-family: var(--font-mono);
            font-weight: 900;
            font-size: 20px;
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .mini-rank-num.gold {
            color: #E8C76A;
        }
        .mini-rank-num.silver {
            color: #C8CDD4;
        }
        .mini-rank-num.bronze {
            color: #D09B6B;
        }
        .mini-rank-info {
            flex: 1;
            min-width: 0;
        }
        .mini-rank-name {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
        }
        .mini-rank-score {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.55);
        }
        .mini-rank-badge {
            font-size: 11px;
            padding: 4px 10px;
            background: rgba(61, 107, 87, 0.6);
            color: #CDE8D9;
            border-radius: 20px;
            white-space: nowrap;
        }
        .hero-filter-bar {
            position: relative;
            z-index: 3;
            margin-top: -28px;
        }
        .filter-bar-inner {
            background: var(--c-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-hover);
            padding: 16px 20px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            border: 1px solid var(--c-border);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--c-text-sub);
            white-space: nowrap;
        }
        .filter-group select {
            padding: 8px 28px 8px 12px;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            background: #fff;
            cursor: pointer;
            transition: border-color 0.25s;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235A5F6A' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
        }
        .filter-group select:focus {
            border-color: var(--c-amber);
            outline: none;
        }

        /* ---- Stats strip ---- */
        .stats-strip {
            background: var(--c-dark);
            color: #fff;
            padding: 36px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 900;
            color: var(--c-amber);
            letter-spacing: -1px;
        }
        .stat-value span {
            font-size: 18px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.5);
        }
        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ---- Ranking section ---- */
        .ranking-section {
            background: var(--c-bg);
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .rank-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
        }
        .rank-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(212, 136, 58, 0.35);
        }
        .rank-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 900;
            width: 52px;
            text-align: center;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            padding: 6px 0;
        }
        .rank-number.gold {
            color: #B8860B;
            background: #FFF3D6;
        }
        .rank-number.silver {
            color: #6E7683;
            background: #EDF0F4;
        }
        .rank-number.bronze {
            color: #9A6B4A;
            background: #F5E6D8;
        }
        .rank-number.normal {
            color: var(--c-dark);
            background: var(--c-sep);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-name-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .rank-name {
            font-size: 17px;
            font-weight: 800;
            color: var(--c-text);
        }
        .rank-score {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 900;
            color: var(--c-amber);
            flex-shrink: 0;
            text-align: right;
        }
        .rank-score small {
            font-size: 13px;
            font-weight: 600;
            color: var(--c-text-sub);
        }
        .score-bars {
            display: flex;
            gap: 6px;
            margin-top: 6px;
        }
        .score-bar {
            height: 6px;
            border-radius: 3px;
            flex: 1;
            max-width: 120px;
        }
        .score-bar.safety {
            background: var(--c-green);
        }
        .score-bar.cost {
            background: var(--c-amber);
        }
        .score-bar.risk {
            background: var(--c-blue-slate);
        }
        .score-bar-label {
            font-size: 11px;
            color: var(--c-text-sub);
        }
        .rank-badges {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 6px;
        }
        .badge {
            display: inline-block;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 700;
            border-radius: 20px;
            white-space: nowrap;
        }
        .badge-green {
            background: rgba(61, 107, 87, 0.12);
            color: var(--c-green);
        }
        .badge-amber {
            background: rgba(212, 136, 58, 0.12);
            color: var(--c-amber);
        }
        .badge-slate {
            background: rgba(74, 107, 140, 0.12);
            color: var(--c-blue-slate);
        }
        .rank-link {
            flex-shrink: 0;
            display: inline-block;
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 700;
            color: var(--c-amber);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            transition: border-color 0.25s, background 0.25s;
            white-space: nowrap;
        }
        .rank-link:hover {
            border-color: var(--c-amber);
            background: rgba(212, 136, 58, 0.06);
            color: var(--c-amber);
        }
        .rank-time {
            font-size: 12px;
            color: var(--c-text-sub);
        }

        /* ---- Compare table ---- */
        .compare-section {
            background: var(--c-card);
        }
        .table-scroll {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            -webkit-overflow-scrolling: touch;
        }
        .compare-table {
            width: 100%;
            min-width: 800px;
            border-collapse: collapse;
            background: var(--c-card);
            font-size: 14px;
        }
        .compare-table thead th {
            background: var(--c-dark);
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 13px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .compare-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--c-border);
            white-space: nowrap;
            font-family: var(--font-mono);
            font-size: 13px;
        }
        .compare-table tbody tr:nth-child(odd) {
            background: #FBF9F6;
        }
        .compare-table tbody tr:nth-child(even) {
            background: #fff;
        }
        .compare-table tbody tr:hover {
            background: #F8F4EE;
        }
        .compare-table .td-highlight {
            color: var(--c-amber);
            font-weight: 800;
        }
        .compare-note {
            margin-top: 12px;
            font-size: 12px;
            color: var(--c-text-sub);
        }

        /* ---- Warning section ---- */
        .warning-section {
            background: var(--c-alert-bg);
            border-top: 1px solid rgba(212, 136, 58, 0.25);
            border-bottom: 1px solid rgba(212, 136, 58, 0.25);
        }
        .warning-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .warning-list-item {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(28, 31, 38, 0.08);
        }
        .warning-list-item:last-child {
            border-bottom: none;
        }
        .warning-num {
            width: 30px;
            height: 30px;
            background: var(--c-dark);
            color: var(--c-amber);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 14px;
            flex-shrink: 0;
        }
        .warning-item-title {
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 4px;
            color: var(--c-dark);
        }
        .warning-item-desc {
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.7;
        }
        .warning-card {
            background: #fff;
            border-left: 4px solid var(--c-amber);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .warning-card-title {
            font-size: 17px;
            font-weight: 800;
            color: var(--c-dark);
            margin-bottom: 12px;
        }
        .warning-card ul {
            margin-top: 8px;
        }
        .warning-card ul li {
            font-size: 14px;
            color: var(--c-text-sub);
            padding: 6px 0;
            padding-left: 16px;
            position: relative;
        }
        .warning-card ul li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--c-amber);
            font-weight: 800;
        }

        /* ---- Dimension cards ---- */
        .dimension-section {
            background: var(--c-bg);
        }
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .dimension-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .dimension-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .dimension-icon {
            width: 44px;
            height: 44px;
            background: var(--c-dark);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            color: var(--c-amber);
        }
        .dimension-name {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--c-text);
        }
        .dimension-score {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .dimension-score-bar {
            flex: 1;
            height: 8px;
            background: var(--c-sep);
            border-radius: 4px;
            overflow: hidden;
        }
        .dimension-score-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--c-amber);
            transition: width 0.6s ease;
        }
        .dimension-score-val {
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 16px;
            color: var(--c-amber);
        }
        .dimension-desc {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.7;
        }

        /* ---- News cards ---- */
        .news-section {
            background: var(--c-card);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s, box-shadow 0.25s;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .news-card-img {
            aspect-ratio: 16/9;
            background: var(--c-sep);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(28, 31, 38, 0.15);
            pointer-events: none;
        }
        .news-card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-card-title {
            font-size: 15px;
            font-weight: 800;
            line-height: 1.45;
            color: var(--c-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card:hover .news-card-title {
            color: var(--c-amber);
        }
        .news-card-desc {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--c-text-sub);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            background: var(--c-bg);
            border-radius: var(--radius-md);
            color: var(--c-text-sub);
            font-size: 15px;
        }

        /* ---- Topic entry ---- */
        .topic-section {
            background: var(--c-dark);
            color: #fff;
        }
        .topic-section .section-head h2 {
            color: #fff;
        }
        .topic-section .section-head p.sub {
            color: rgba(255, 255, 255, 0.6);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: background 0.25s, border-color 0.25s, transform 0.25s;
            display: block;
        }
        .topic-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--c-amber);
            transform: translateY(-3px);
            color: #fff;
        }
        .topic-icon {
            font-size: 28px;
            margin-bottom: 14px;
        }
        .topic-name {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .topic-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        /* ---- User feedback ---- */
        .feedback-section {
            background: var(--c-bg);
        }
        .feedback-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .feedback-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--c-text);
            transition: border-color 0.25s;
        }
        .feedback-tag:hover {
            border-color: var(--c-amber);
        }
        .feedback-tag .freq {
            font-family: var(--font-mono);
            font-weight: 800;
            color: var(--c-amber);
            font-size: 12px;
        }
        .feedback-bars {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 640px;
        }
        .feedback-bar-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .feedback-bar-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text);
            min-width: 120px;
            flex-shrink: 0;
        }
        .feedback-bar-track {
            flex: 1;
            height: 10px;
            background: var(--c-sep);
            border-radius: 5px;
            overflow: hidden;
        }
        .feedback-bar-fill {
            height: 100%;
            background: var(--c-amber);
            border-radius: 5px;
            transition: width 0.6s ease;
        }
        .feedback-bar-count {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 13px;
            color: var(--c-text-sub);
            min-width: 40px;
            text-align: right;
        }
        .feedback-source {
            font-size: 12px;
            color: var(--c-text-sub);
            margin-top: 16px;
        }

        /* ---- Risk flow ---- */
        .riskflow-section {
            background: var(--c-card);
        }
        .flow-steps {
            display: flex;
            gap: 0;
            align-items: stretch;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding-bottom: 12px;
        }
        .flow-step {
            flex: 1;
            min-width: 160px;
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            position: relative;
            margin-right: 8px;
            flex-shrink: 0;
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .flow-step:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .flow-step:last-child {
            margin-right: 0;
        }
        .flow-step::after {
            content: "→";
            position: absolute;
            right: -12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 22px;
            color: var(--c-amber);
            font-weight: 900;
            z-index: 2;
        }
        .flow-step:last-child::after {
            display: none;
        }
        .flow-step-num {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 800;
            color: var(--c-amber);
            margin-bottom: 8px;
        }
        .flow-step-name {
            font-size: 15px;
            font-weight: 800;
            color: var(--c-text);
            margin-bottom: 6px;
        }
        .flow-step-desc {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.6;
        }

        /* ---- Deep articles ---- */
        .articles-section {
            background: var(--c-bg);
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .article-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s, box-shadow 0.25s;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .article-card-img {
            aspect-ratio: 16/9;
            background: var(--c-sep);
            overflow: hidden;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.04);
        }
        .article-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .article-card-title {
            font-size: 16px;
            font-weight: 800;
            line-height: 1.5;
            color: var(--c-text);
        }
        .article-card:hover .article-card-title {
            color: var(--c-amber);
        }
        .article-card-desc {
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--c-text-sub);
            margin-top: auto;
            padding-top: 8px;
        }
        .article-card-meta .read-time {
            color: var(--c-amber);
            font-weight: 700;
        }

        /* ---- FAQ ---- */
        .faq-section {
            background: var(--c-card);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--c-border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 8px;
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            text-align: left;
            gap: 16px;
            min-height: 44px;
            transition: color 0.25s;
        }
        .faq-question:hover {
            color: var(--c-amber);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: var(--c-amber);
            transition: transform 0.3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 8px 18px;
            background: #FBF9F6;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            margin: 0 4px;
        }
        .faq-answer-inner p {
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.8;
            padding: 8px 0;
        }
        .faq-answer-inner ul {
            list-style: disc;
            padding-left: 20px;
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.8;
        }

        /* ---- Risk banner ---- */
        .risk-banner {
            background: var(--c-dark);
            border-left: 4px solid var(--c-amber);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin: 0;
        }
        .risk-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.8;
            font-weight: 600;
        }

        /* ---- Subscribe ---- */
        .subscribe-section {
            background: var(--c-dark);
            color: #fff;
        }
        .subscribe-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .subscribe-title {
            font-size: 26px;
            font-weight: 900;
            margin-bottom: 10px;
        }
        .subscribe-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 14px;
            transition: border-color 0.25s;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--c-amber);
            outline: none;
        }
        .subscribe-form .btn-primary {
            padding: 12px 28px;
        }
        .subscribe-privacy {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 10px;
        }

        /* ---- Data source ---- */
        .source-section {
            background: var(--c-bg);
        }
        .source-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .source-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .source-card h3 {
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--c-text);
        }
        .source-card ul {
            list-style: none;
        }
        .source-card ul li {
            font-size: 14px;
            color: var(--c-text-sub);
            padding: 6px 0;
            padding-left: 18px;
            position: relative;
            line-height: 1.7;
        }
        .source-card ul li::before {
            content: "–";
            position: absolute;
            left: 0;
            color: var(--c-amber);
            font-weight: 800;
        }
        .source-steps {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .source-step {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .source-step-num {
            width: 30px;
            height: 30px;
            background: var(--c-dark);
            color: var(--c-amber);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 14px;
            flex-shrink: 0;
        }
        .source-step-text {
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.7;
        }
        .source-step-text strong {
            color: var(--c-text);
            display: block;
            font-size: 14px;
            margin-bottom: 2px;
        }

        /* ---- Footer ---- */
        .site-footer {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 13px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 17px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            transition: color 0.25s;
        }
        .footer-col ul li a:hover {
            color: var(--c-amber);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .domain {
            font-family: var(--font-mono);
            color: var(--c-amber);
            font-weight: 600;
        }

        /* ---- Responsive ---- */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 38px;
            }
            .hero-panel {
                min-height: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .source-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            section {
                padding: 48px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: var(--c-dark);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: var(--shadow-hover);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                font-size: 16px;
                padding: 10px 0;
            }
            .hamburger {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .hero {
                padding: 56px 0 56px;
            }
            .hero-content h1 {
                font-size: 28px;
                letter-spacing: 0;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .hero-filter-bar {
                margin-top: -20px;
            }
            .filter-bar-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                flex-wrap: wrap;
            }
            .rank-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                padding: 16px;
            }
            .rank-score {
                align-self: flex-end;
            }
            .rank-link {
                align-self: stretch;
                text-align: center;
            }
            .warning-grid {
                grid-template-columns: 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            section {
                padding: 40px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-value {
                font-size: 28px;
            }
            .flow-steps {
                flex-direction: column;
                overflow-x: visible;
            }
            .flow-step {
                min-width: auto;
                margin-right: 0;
                margin-bottom: 8px;
            }
            .flow-step::after {
                content: "↓";
                right: 50%;
                top: auto;
                bottom: -16px;
                transform: translateX(50%);
                font-size: 18px;
            }
            .flow-step:last-child::after {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 24px;
            }
            .section-head h2 {
                font-size: 20px;
                padding-left: 14px;
            }
            .section-head h2::before {
                top: 6px;
                height: 22px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .compare-table {
                font-size: 12px;
                min-width: 600px;
            }
        }

/* roulang page: article */
:root {
            --c-dark: #1C1F26;
            --c-amber: #D4883A;
            --c-amber-hover: #E79A4E;
            --c-green: #3D6B57;
            --c-alert-bg: #F7EBDF;
            --c-bg: #F6F3EE;
            --c-card: #FFFFFF;
            --c-text: #1C1F26;
            --c-text-sub: #5A5F6A;
            --c-border: #E3DED5;
            --c-sep: #EEE9E2;
            --c-blue-slate: #4A6B8C;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(28, 31, 38, 0.06);
            --shadow-hover: 0 6px 24px rgba(28, 31, 38, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "Noto Sans Mono CJK SC", monospace;
            --container: 1180px;
            --nav-h: 68px;
            --section-pad: 64px 0;
            --section-sm: 36px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: var(--c-text);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: var(--c-amber);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--c-amber);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
        }
        h1, h2, h3, h4 {
            margin: 0;
        }
        p {
            margin: 0;
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: var(--section-pad);
        }
        section.section-alt {
            background: var(--c-card);
        }
        section.section-deep {
            background: var(--c-dark);
            color: #fff;
        }
        section.section-warm {
            background: var(--c-alert-bg);
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--c-amber);
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: inherit;
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 26px;
            background: var(--c-amber);
            border-radius: 2px;
        }
        .section-head p.sub {
            margin-top: 10px;
            font-size: 15px;
            color: var(--c-text-sub);
            max-width: 680px;
        }

        /* ---- Header / Nav ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(28, 31, 38, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(227, 222, 213, 0.15);
            height: var(--nav-h);
            display: flex;
            align-items: center;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(28, 31, 38, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--c-amber);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--c-dark);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.3px;
        }
        .logo-text em {
            color: var(--c-amber);
            font-style: normal;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 600;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            color: #fff;
        }
        .nav-links a.active {
            color: var(--c-amber);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--c-amber);
            border-radius: 1px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            border-radius: var(--radius-sm);
            transition: background 0.25s ease, color 0.25s ease;
        }
        .search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--c-amber);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 8px;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--c-amber);
            color: var(--c-dark);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: #fff;
            color: var(--c-amber);
            border-color: var(--c-amber);
        }
        .btn-secondary {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            border-color: var(--c-amber);
            color: var(--c-amber);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--c-dark);
            border-color: var(--c-border);
        }
        .btn-outline-dark:hover,
        .btn-outline-dark:focus {
            border-color: var(--c-amber);
            color: var(--c-amber);
        }
        .btn-ghost {
            background: transparent;
            color: var(--c-text);
            padding: 8px 12px;
            border: 1px solid var(--c-border);
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            color: var(--c-amber);
            border-color: var(--c-amber);
        }
        .btn:focus-visible {
            outline: 2px solid var(--c-amber);
            outline-offset: 2px;
        }
        .nav-hamburger {
            display: none;
            width: 42px;
            height: 42px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background 0.25s ease;
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 1px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .search-form-dropdown {
            display: none;
            position: absolute;
            top: var(--nav-h);
            right: 0;
            width: 280px;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-hover);
            padding: 14px;
            z-index: 1100;
        }
        .search-form-dropdown.show {
            display: block;
        }
        .search-form-dropdown form {
            display: flex;
            gap: 8px;
        }
        .search-form-dropdown input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid var(--c-border);
            border-radius: 8px;
            font-size: 14px;
            background: #fff;
            color: var(--c-text);
            outline: none;
            transition: border-color 0.25s ease;
        }
        .search-form-dropdown input:focus {
            border-color: var(--c-amber);
        }
        .search-form-dropdown button {
            padding: 10px 14px;
            background: var(--c-amber);
            color: var(--c-dark);
            border-radius: 8px;
            font-weight: 700;
            font-size: 14px;
            transition: background 0.25s ease;
        }
        .search-form-dropdown button:hover {
            background: var(--c-amber-hover);
        }

        /* ---- Article Breadcrumb ---- */
        .article-breadcrumb {
            padding: 20px 0 8px;
            background: var(--c-bg);
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--c-text-sub);
        }
        .breadcrumb-inner a {
            color: var(--c-text-sub);
        }
        .breadcrumb-inner a:hover {
            color: var(--c-amber);
        }
        .breadcrumb-inner .sep {
            color: var(--c-border);
        }
        .breadcrumb-inner .current {
            color: var(--c-text);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ---- Article Hero / Header ---- */
        .article-header {
            padding: 40px 0 32px;
            background: var(--c-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .article-header::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28,31,38,0.95), rgba(28,31,38,0.75)), url('/assets/images/5246b7283c875d89.webp') center/cover;
            opacity: 0.35;
            pointer-events: none;
        }
        .article-header .container {
            position: relative;
            z-index: 1;
        }
        .article-header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--c-amber);
            color: var(--c-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
        }
        .article-meta-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }
        .article-meta-line span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-header h1 {
            font-size: 34px;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            max-width: 820px;
        }
        .article-excerpt {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 720px;
            line-height: 1.7;
            margin-top: 8px;
        }
        .article-cover {
            margin-top: 28px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            max-height: 420px;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .article-cover:hover img {
            transform: scale(1.02);
        }

        /* ---- Article Body / Prose ---- */
        .article-body {
            padding: 48px 0 56px;
            background: var(--c-card);
        }
        .article-prose {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text);
        }
        .article-prose p {
            margin-bottom: 1.4em;
        }
        .article-prose h2 {
            font-size: 24px;
            font-weight: 900;
            line-height: 1.35;
            margin: 2em 0 0.8em;
            color: var(--c-dark);
            padding-left: 14px;
            position: relative;
        }
        .article-prose h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 22px;
            background: var(--c-amber);
            border-radius: 2px;
        }
        .article-prose h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 1.6em 0 0.6em;
            color: var(--c-dark);
        }
        .article-prose blockquote {
            border-left: 4px solid var(--c-amber);
            background: var(--c-alert-bg);
            padding: 18px 22px;
            margin: 1.6em 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 15px;
            color: var(--c-text);
        }
        .article-prose blockquote p {
            margin: 0;
        }
        .article-prose ul,
        .article-prose ol {
            margin: 0 0 1.4em;
            padding-left: 1.6em;
            list-style: none;
        }
        .article-prose ul li {
            position: relative;
            padding-left: 18px;
            margin-bottom: 8px;
        }
        .article-prose ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.7em;
            width: 6px;
            height: 6px;
            background: var(--c-amber);
            border-radius: 50%;
        }
        .article-prose ol li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 8px;
            counter-increment: article-li;
        }
        .article-prose ol {
            counter-reset: article-li;
        }
        .article-prose ol li::before {
            content: counter(article-li);
            position: absolute;
            left: 0;
            top: 0.15em;
            width: 20px;
            height: 20px;
            background: var(--c-dark);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .article-prose img {
            border-radius: var(--radius-md);
            margin: 1.8em auto;
            box-shadow: var(--shadow-card);
        }
        .article-prose table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            font-size: 14px;
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .article-prose table thead {
            background: var(--c-dark);
            color: #fff;
        }
        .article-prose table th {
            padding: 12px 14px;
            font-weight: 700;
            text-align: left;
        }
        .article-prose table td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--c-sep);
        }
        .article-prose table tbody tr:nth-child(odd) {
            background: #FBF9F6;
        }
        .article-prose table tbody tr:last-child td {
            border-bottom: none;
        }
        .article-empty {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 60px 20px;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            background: var(--c-bg);
        }
        .article-empty p {
            font-size: 16px;
            color: var(--c-text-sub);
            margin-bottom: 16px;
        }
        .article-empty .btn {
            font-size: 14px;
        }

        /* ---- Article Inline Tip ---- */
        .article-tip-section {
            padding: 28px 0 36px;
            background: var(--c-bg);
        }
        .article-tip-inner {
            max-width: 720px;
            margin: 0 auto;
        }
        .article-tip-card {
            display: flex;
            gap: 16px;
            background: var(--c-alert-bg);
            border: 1px solid #EAD8C2;
            border-left: 4px solid var(--c-amber);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
        }
        .article-tip-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: var(--c-amber);
            color: var(--c-dark);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
        }
        .article-tip-text {
            flex: 1;
        }
        .article-tip-text strong {
            display: block;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--c-dark);
        }
        .article-tip-text p {
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ---- Score Summary Card ---- */
        .score-section {
            padding: 40px 0 48px;
            background: var(--c-card);
        }
        .score-card {
            max-width: 720px;
            margin: 0 auto;
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
        }
        .score-card-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 22px;
        }
        .score-card-head .total-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--c-text-sub);
            letter-spacing: 0.5px;
        }
        .score-card-head .total-num {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 900;
            color: var(--c-amber);
            line-height: 1;
        }
        .score-card-head .total-num small {
            font-size: 16px;
            color: var(--c-text-sub);
            font-weight: 600;
        }
        .score-dimensions {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .score-dimension {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .score-dimension .dim-label {
            width: 80px;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text);
            flex-shrink: 0;
        }
        .score-dimension .dim-bar {
            flex: 1;
            height: 8px;
            background: #E9E4DC;
            border-radius: 4px;
            overflow: hidden;
        }
        .score-dimension .dim-bar span {
            display: block;
            height: 100%;
            border-radius: 4px;
            transition: width 0.6s ease;
        }
        .dim-bar .bar-green {
            background: var(--c-green);
        }
        .dim-bar .bar-amber {
            background: var(--c-amber);
        }
        .dim-bar .bar-blue {
            background: var(--c-blue-slate);
        }
        .score-dimension .dim-value {
            width: 52px;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
            text-align: right;
            flex-shrink: 0;
        }
        .score-card-foot {
            margin-top: 20px;
            font-size: 13px;
            color: var(--c-text-sub);
            border-top: 1px solid var(--c-sep);
            padding-top: 14px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ---- Related Articles ---- */
        .related-section {
            padding: 48px 0 64px;
            background: var(--c-bg);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--c-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .related-card-img {
            height: 170px;
            overflow: hidden;
            background: var(--c-sep);
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }
        .related-card-body {
            padding: 18px 20px;
        }
        .related-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body h3 a {
            color: var(--c-text);
        }
        .related-card-body h3 a:hover {
            color: var(--c-amber);
        }
        .related-card-body p {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .related-meta {
            font-size: 12px;
            color: var(--c-text-sub);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .related-meta .mini-badge {
            background: var(--c-alert-bg);
            color: var(--c-amber);
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 10px;
        }

        /* ---- Disclaimer ---- */
        .disclaimer-section {
            padding: 28px 0 36px;
            background: var(--c-card);
        }
        .disclaimer-box {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            gap: 12px;
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.7;
            padding: 16px 18px;
            background: var(--c-alert-bg);
            border-radius: var(--radius-md);
            border: 1px solid #EAD8C2;
        }
        .disclaimer-box .disc-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--c-dark);
            color: var(--c-amber);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 900;
        }

        /* ---- Back to home ---- */
        .back-section {
            padding: 28px 0 48px;
            background: var(--c-card);
            text-align: center;
        }
        .back-section .container {
            max-width: 720px;
        }
        .back-section .btn {
            font-size: 14px;
            padding: 12px 24px;
        }

        /* ---- Footer ---- */
        .site-footer {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 14px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand .logo-text {
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            max-width: 480px;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--c-amber);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid rgba(227, 222, 213, 0.15);
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .domain {
            font-family: var(--font-mono);
            color: rgba(255, 255, 255, 0.55);
        }

        /* ---- Responsive ---- */
        @media (max-width: 1024px) {
            :root {
                --nav-h: 60px;
            }
            section {
                padding: 48px 0;
            }
            .article-header h1 {
                font-size: 28px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 40px 0;
                --section-sm: 28px 0;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: var(--c-dark);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 20px 20px;
                border-bottom: 1px solid rgba(227, 222, 213, 0.15);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid rgba(227, 222, 213, 0.08);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                color: var(--c-amber);
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-actions .btn-primary {
                display: none;
            }
            .article-header {
                padding: 28px 0 24px;
            }
            .article-header h1 {
                font-size: 24px;
            }
            .article-excerpt {
                font-size: 15px;
            }
            .article-body {
                padding: 32px 0 40px;
            }
            .article-prose {
                font-size: 15px;
            }
            .article-prose h2 {
                font-size: 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .score-card {
                padding: 20px 18px;
            }
            .score-card-head .total-num {
                font-size: 34px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-cover {
                max-height: 260px;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 16px;
            }
            .article-header h1 {
                font-size: 22px;
            }
            .article-meta-line {
                gap: 10px;
                font-size: 12px;
            }
            .article-tip-card {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
            .score-dimension {
                flex-wrap: wrap;
                gap: 8px;
            }
            .score-dimension .dim-label {
                width: 70px;
                font-size: 13px;
            }
            .score-dimension .dim-value {
                width: auto;
                font-size: 13px;
            }
            .breadcrumb-inner .current {
                max-width: 160px;
            }
        }

/* roulang page: category1 */
:root {
            --c-dark: #1C1F26;
            --c-amber: #D4883A;
            --c-amber-hover: #E79A4E;
            --c-green: #3D6B57;
            --c-alert-bg: #F7EBDF;
            --c-bg: #F6F3EE;
            --c-card: #FFFFFF;
            --c-text: #1C1F26;
            --c-text-sub: #5A5F6A;
            --c-border: #E3DED5;
            --c-sep: #EEE9E2;
            --c-blue-slate: #4A6B8C;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(28, 31, 38, 0.06);
            --shadow-hover: 0 6px 24px rgba(28, 31, 38, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "Noto Sans Mono CJK SC", monospace;
            --container: 1180px;
            --nav-h: 68px;
            --section-pad: 64px 0;
            --section-sm: 36px 0;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--c-text);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--c-amber);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--c-amber);
            outline-offset: 2px;
        }

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            background: none;
            border: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--section-pad);
        }

        section.section-alt {
            background: var(--c-card);
        }

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

        section.section-warm {
            background: var(--c-alert-bg);
        }

        section.section-sm {
            padding: var(--section-sm);
        }

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

        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--c-amber);
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: inherit;
            position: relative;
            padding-left: 18px;
        }

        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 26px;
            background: var(--c-amber);
            border-radius: 2px;
        }

        .section-head p.sub {
            margin-top: 10px;
            font-size: 15px;
            color: var(--c-text-sub);
            max-width: 680px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(28, 31, 38, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(227, 222, 213, 0.15);
            height: var(--nav-h);
            display: flex;
            align-items: center;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(28, 31, 38, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--c-amber);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--c-dark);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo-text em {
            color: var(--c-amber);
            font-style: normal;
        }

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

        .nav-links a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 600;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: #fff;
        }

        .nav-links a.active {
            color: var(--c-amber);
        }

        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--c-amber);
            border-radius: 1px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            border-radius: 50%;
            transition: background 0.25s ease;
        }

        .search-btn:hover,
        .search-btn:focus {
            background: rgba(255, 255, 255, 0.08);
            color: var(--c-amber);
        }

        .btn-primary-amber {
            display: inline-block;
            background: var(--c-amber);
            color: var(--c-dark);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 8px;
            border: 1px solid var(--c-amber);
            transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
            text-align: center;
        }

        .btn-primary-amber:hover,
        .btn-primary-amber:focus {
            background: var(--c-amber-hover);
            border-color: var(--c-amber-hover);
            color: var(--c-dark);
        }

        .btn-outline-dark {
            display: inline-block;
            background: transparent;
            color: var(--c-text);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 8px;
            border: 1px solid var(--c-border);
            transition: border-color 0.25s ease, color 0.25s ease;
        }

        .btn-outline-dark:hover,
        .btn-outline-dark:focus {
            border-color: var(--c-amber);
            color: var(--c-amber);
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: border-color 0.25s ease, color 0.25s ease;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            border-color: var(--c-amber);
            color: var(--c-amber);
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            border-radius: var(--radius-sm);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 1px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .category-hero {
            background: var(--c-dark);
            background-image: linear-gradient(135deg, rgba(28, 31, 38, 0.94) 0%, rgba(28, 31, 38, 0.72) 100%), url('/assets/images/2c1f103eb9b38762.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 48px 0 52px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--c-amber);
        }

        .category-hero-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .category-hero-left {
            max-width: 580px;
        }

        .category-hero-left .badge-line {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            color: var(--c-amber);
            margin-bottom: 12px;
        }

        .category-hero-left h1 {
            font-size: 34px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: #fff;
        }

        .category-hero-left p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 0;
        }

        .category-hero-right {
            flex-shrink: 0;
            width: 260px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-stat-block {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .hero-stat-row span.label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-stat-row span.value {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--c-amber);
        }

        .filter-toolbar {
            background: var(--c-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 16px 20px;
            margin-top: -28px;
            position: relative;
            z-index: 5;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: flex-end;
            border: 1px solid var(--c-border);
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 130px;
            flex: 1 1 150px;
        }

        .filter-group label {
            font-size: 12px;
            font-weight: 700;
            color: var(--c-text-sub);
            letter-spacing: 0.5px;
        }

        .filter-group select {
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--c-text);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235A5F6A' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            cursor: pointer;
        }

        .filter-group select:focus {
            border-color: var(--c-amber);
            outline: none;
            box-shadow: 0 0 0 2px rgba(212, 136, 58, 0.15);
        }

        .filter-btn {
            background: var(--c-amber);
            color: var(--c-dark);
            font-weight: 700;
            font-size: 13px;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-amber);
            transition: background 0.25s ease, border-color 0.25s ease;
            white-space: nowrap;
        }

        .filter-btn:hover,
        .filter-btn:focus {
            background: var(--c-amber-hover);
            border-color: var(--c-amber-hover);
        }

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

        .rank-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 22px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .rank-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .rank-card-top {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .rank-badge {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .rank-badge.gold {
            background: #F0D59E;
            color: #5C4300;
        }

        .rank-badge.silver {
            background: #D9DCE0;
            color: #3A3E45;
        }

        .rank-badge.bronze {
            background: #E5B88A;
            color: #55300F;
        }

        .rank-badge.regular {
            background: var(--c-dark);
            color: #fff;
        }

        .rank-card-info {
            flex: 1;
        }

        .rank-card-info h3 {
            font-size: 17px;
            font-weight: 900;
            margin-bottom: 4px;
            color: var(--c-text);
        }

        .rank-score-row {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 6px;
        }

        .rank-score-row .score-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--c-amber);
        }

        .rank-score-row .score-max {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--c-text-sub);
        }

        .score-bars {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .score-bar-row {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .score-bar-row span.label {
            font-size: 11px;
            font-weight: 600;
            color: var(--c-text-sub);
            width: 42px;
            flex-shrink: 0;
        }

        .score-bar-track {
            flex: 1;
            height: 6px;
            background: var(--c-sep);
            border-radius: 3px;
            overflow: hidden;
        }

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

        .score-bar-fill.safety {
            background: var(--c-green);
        }

        .score-bar-fill.cost {
            background: var(--c-amber);
        }

        .score-bar-fill.risk {
            background: var(--c-blue-slate);
        }

        .rank-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
            padding: 12px;
            background: var(--c-bg);
            border-radius: var(--radius-sm);
        }

        .rank-metric-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .rank-metric-item span.label {
            font-size: 11px;
            color: var(--c-text-sub);
        }

        .rank-metric-item span.value {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        .tag-green {
            background: rgba(61, 107, 87, 0.12);
            color: var(--c-green);
        }

        .tag-amber {
            background: rgba(212, 136, 58, 0.13);
            color: var(--c-amber);
        }

        .tag-slate {
            background: rgba(74, 107, 140, 0.12);
            color: var(--c-blue-slate);
        }

        .tag-dark {
            background: rgba(28, 31, 38, 0.08);
            color: var(--c-text);
        }

        .rank-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid var(--c-sep);
        }

        .rank-card-footer .update-time {
            font-size: 12px;
            color: var(--c-text-sub);
            font-family: var(--font-mono);
        }

        .rank-card-footer .detail-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--c-amber);
        }

        .rank-card-footer .detail-link:hover,
        .rank-card-footer .detail-link:focus {
            color: var(--c-amber-hover);
            text-decoration: underline;
        }

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

        .dimension-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 22px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .dimension-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .dimension-card .num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 900;
            color: var(--c-amber);
            line-height: 1;
            margin-bottom: 10px;
        }

        .dimension-card h3 {
            font-size: 16px;
            font-weight: 900;
            margin-bottom: 8px;
        }

        .dimension-card p {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.7;
            margin: 0;
        }

        .table-wrap {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

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

        .table-scroll table {
            min-width: 800px;
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
        }

        .table-scroll thead {
            background: var(--c-dark);
        }

        .table-scroll thead th {
            color: #fff;
            font-weight: 700;
            padding: 14px 16px;
            text-align: left;
            white-space: nowrap;
            font-size: 13px;
        }

        .table-scroll tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--c-sep);
            font-family: var(--font-mono);
            font-size: 13px;
        }

        .table-scroll tbody tr:nth-child(odd) {
            background: #FBF9F6;
        }

        .table-scroll tbody tr:nth-child(even) {
            background: #FFFFFF;
        }

        .table-scroll tbody tr:hover {
            background: var(--c-alert-bg);
        }

        .table-note {
            font-size: 12px;
            color: var(--c-text-sub);
            margin-top: 10px;
        }

        .risk-alert {
            background: var(--c-alert-bg);
            border-left: 4px solid var(--c-amber);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .risk-alert .alert-icon {
            font-size: 20px;
            color: var(--c-amber);
            flex-shrink: 0;
            line-height: 1.4;
        }

        .risk-alert p {
            font-size: 14px;
            color: #6B4A2B;
            line-height: 1.7;
            margin: 0;
            font-weight: 500;
        }

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

        .news-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .news-thumb {
            display: block;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--c-sep);
        }

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

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

        .news-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .news-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(212, 136, 58, 0.12);
            color: var(--c-amber);
            letter-spacing: 0.3px;
            align-self: flex-start;
        }

        .news-body h3 {
            font-size: 16px;
            font-weight: 900;
            line-height: 1.45;
            margin: 0;
        }

        .news-body h3 a {
            color: var(--c-text);
        }

        .news-body h3 a:hover,
        .news-body h3 a:focus {
            color: var(--c-amber);
        }

        .news-body p {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }

        .news-body time {
            font-size: 12px;
            color: var(--c-text-sub);
            font-family: var(--font-mono);
            margin-top: auto;
            padding-top: 6px;
        }

        .empty-block {
            text-align: center;
            padding: 40px 20px;
            background: var(--c-card);
            border: 1px dashed var(--c-border);
            border-radius: var(--radius-md);
            color: var(--c-text-sub);
            font-size: 14px;
        }

        .bottom-cta {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .bottom-cta-left h3 {
            font-size: 20px;
            font-weight: 900;
            margin-bottom: 6px;
        }

        .bottom-cta-left p {
            font-size: 13px;
            color: var(--c-text-sub);
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .subscribe-form input[type="email"] {
            width: 240px;
            padding: 10px 14px;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: var(--c-bg);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--c-amber);
            outline: none;
            box-shadow: 0 0 0 2px rgba(212, 136, 58, 0.15);
        }

        .subscribe-form button {
            background: var(--c-amber);
            color: var(--c-dark);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-amber);
            transition: background 0.25s ease, border-color 0.25s ease;
            white-space: nowrap;
        }

        .subscribe-form button:hover,
        .subscribe-form button:focus {
            background: var(--c-amber-hover);
            border-color: var(--c-amber-hover);
        }

        .site-footer {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 48px 0 24px;
            font-size: 14px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
            display: block;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
            margin: 0;
        }

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

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover,
        .footer-col ul a:focus {
            color: var(--c-amber);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .domain {
            font-family: var(--font-mono);
        }

        @media (max-width: 1024px) {
            .ranking-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

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

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

            .category-hero-inner {
                flex-direction: column;
                gap: 20px;
            }

            .category-hero-right {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 40px 0;
                --section-sm: 28px 0;
            }

            .hamburger {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: var(--c-dark);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 0;
                border-bottom: 1px solid rgba(227, 222, 213, 0.15);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 14px 0;
                font-size: 16px;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .nav-links a.active::after {
                display: none;
            }

            .nav-actions .search-btn {
                display: none;
            }

            .category-hero {
                padding: 36px 0 44px;
            }

            .category-hero-left h1 {
                font-size: 26px;
            }

            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                margin-top: -20px;
                padding: 14px;
            }

            .filter-group {
                min-width: 100%;
            }

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

            .dimension-cards {
                grid-template-columns: 1fr;
            }

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

            .rank-card {
                padding: 16px;
            }

            .rank-card-top {
                flex-direction: column;
                gap: 10px;
            }

            .rank-badge {
                width: 44px;
                height: 44px;
                font-size: 18px;
            }

            .rank-score-row .score-num {
                font-size: 24px;
            }

            .bottom-cta {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                padding: 22px 16px;
            }

            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form input[type="email"] {
                width: 100%;
            }

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

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

            .section-head h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .category-hero-left h1 {
                font-size: 22px;
            }

            .rank-metrics {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }

            .tag-list {
                gap: 4px;
            }

            .tag {
                font-size: 10px;
                padding: 2px 8px;
            }

            .score-bar-row span.label {
                width: 34px;
                font-size: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --c-dark: #1C1F26;
            --c-amber: #D4883A;
            --c-amber-hover: #E79A4E;
            --c-green: #3D6B57;
            --c-alert-bg: #F7EBDF;
            --c-bg: #F6F3EE;
            --c-card: #FFFFFF;
            --c-text: #1C1F26;
            --c-text-sub: #5A5F6A;
            --c-border: #E3DED5;
            --c-sep: #EEE9E2;
            --c-blue-slate: #4A6B8C;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(28, 31, 38, 0.06);
            --shadow-hover: 0 6px 24px rgba(28, 31, 38, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "Noto Sans Mono CJK SC", monospace;
            --container: 1180px;
            --nav-h: 68px;
            --section-pad: 64px 0;
            --section-sm: 36px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: var(--c-text);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover, a:focus {
            color: var(--c-amber);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--c-amber);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: var(--section-pad);
        }
        section.section-alt {
            background: var(--c-card);
        }
        section.section-deep {
            background: var(--c-dark);
            color: #fff;
        }
        section.section-warm {
            background: var(--c-alert-bg);
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--c-amber);
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: inherit;
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 26px;
            background: var(--c-amber);
            border-radius: 2px;
        }
        .section-head p.sub {
            margin-top: 10px;
            font-size: 15px;
            color: var(--c-text-sub);
            max-width: 680px;
        }
        /* Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(28, 31, 38, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(227, 222, 213, 0.15);
            height: var(--nav-h);
            display: flex;
            align-items: center;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(28, 31, 38, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--c-amber);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--c-dark);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo-text em {
            color: var(--c-amber);
            font-style: normal;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 600;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a:focus {
            color: #fff;
        }
        .nav-links a.active {
            color: var(--c-amber);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--c-amber);
            border-radius: 1px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            border-radius: var(--radius-sm);
            transition: background 0.25s ease, color 0.25s ease;
        }
        .search-btn:hover {
            background: rgba(212, 136, 58, 0.15);
            color: var(--c-amber);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            background: var(--c-amber);
            color: var(--c-dark);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover, .nav-cta:focus {
            background: var(--c-amber-hover);
            color: var(--c-dark);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Category Hero */
        .category-hero {
            background: var(--c-dark);
            background-image: linear-gradient(180deg, rgba(28,31,38,0.94) 0%, rgba(28,31,38,0.88) 100%);
            color: #fff;
            padding: 40px 0 44px;
            position: relative;
            overflow: hidden;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 32px;
            justify-content: space-between;
        }
        .category-hero-left {
            flex: 1;
            min-width: 0;
        }
        .category-hero-left h1 {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin: 0 0 12px;
        }
        .category-hero-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0;
            line-height: 1.8;
        }
        .category-hero-right {
            flex: 0 0 280px;
            max-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }
        .category-hero-right img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        /* Filter toolbar */
        .filter-toolbar {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-top: -28px;
            margin-bottom: 0;
            position: relative;
            z-index: 5;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--c-text-sub);
        }
        .filter-group label {
            font-weight: 700;
            color: var(--c-text);
            white-space: nowrap;
        }
        .filter-group select, .filter-group input {
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 7px 10px;
            font-size: 13px;
            background: #fff;
            color: var(--c-text);
            transition: border-color 0.25s ease;
            min-width: 120px;
        }
        .filter-group select:focus, .filter-group input:focus {
            outline: none;
            border-color: var(--c-amber);
        }
        .filter-apply {
            margin-left: auto;
            padding: 8px 18px;
            background: var(--c-dark);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: background 0.25s ease;
        }
        .filter-apply:hover {
            background: #2a2e38;
        }
        /* Score cards grid */
        .score-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .score-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .score-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .score-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .score-card-platform {
            font-size: 18px;
            font-weight: 800;
            color: var(--c-text);
        }
        .score-card-badge {
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(61, 107, 87, 0.1);
            color: var(--c-green);
            white-space: nowrap;
        }
        .score-card-badge.warning {
            background: rgba(212, 136, 58, 0.15);
            color: var(--c-amber);
        }
        .score-card-total {
            display: flex;
            align-items: baseline;
            gap: 4px;
        }
        .score-card-total .score-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 900;
            color: var(--c-amber);
            line-height: 1;
        }
        .score-card-total .score-total-label {
            font-size: 14px;
            color: var(--c-text-sub);
        }
        .score-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }
        .score-bar-row .bar-label {
            width: 40px;
            font-weight: 700;
            color: var(--c-text-sub);
            flex-shrink: 0;
        }
        .score-bar-row .bar-track {
            flex: 1;
            height: 8px;
            background: var(--c-sep);
            border-radius: 4px;
            overflow: hidden;
        }
        .score-bar-row .bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--c-green);
        }
        .score-bar-row .bar-fill.cost {
            background: var(--c-amber);
        }
        .score-bar-row .bar-fill.risk {
            background: var(--c-blue-slate);
        }
        .score-bar-row .bar-value {
            width: 40px;
            font-family: var(--font-mono);
            font-weight: 700;
            text-align: right;
            flex-shrink: 0;
        }
        .score-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .score-card-tags .tag {
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            background: var(--c-sep);
            color: var(--c-text-sub);
            white-space: nowrap;
        }
        .score-card-tags .tag.verified {
            background: rgba(61, 107, 87, 0.1);
            color: var(--c-green);
        }
        .score-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--c-sep);
            padding-top: 12px;
            font-size: 12px;
            color: var(--c-text-sub);
        }
        .score-card-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-dark);
            text-decoration: underline;
            transition: color 0.25s ease;
        }
        .score-card-link:hover {
            color: var(--c-amber);
        }
        /* Dimension cards */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .dimension-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .dimension-card .dim-icon {
            width: 40px;
            height: 40px;
            background: var(--c-dark);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-amber);
            font-weight: 900;
            font-size: 18px;
        }
        .dimension-card h4 {
            font-size: 16px;
            font-weight: 800;
            margin: 0;
            color: var(--c-text);
        }
        .dimension-card p {
            font-size: 13px;
            color: var(--c-text-sub);
            margin: 0;
            line-height: 1.7;
        }
        /* Comparison small table */
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border);
            background: var(--c-card);
            box-shadow: var(--shadow-card);
        }
        .table-wrap table {
            width: 100%;
            min-width: 760px;
            border-collapse: collapse;
            font-size: 14px;
        }
        .table-wrap thead {
            background: var(--c-dark);
            color: #fff;
        }
        .table-wrap th {
            padding: 12px 16px;
            font-weight: 700;
            text-align: left;
            white-space: nowrap;
        }
        .table-wrap td {
            padding: 12px 16px;
            border-top: 1px solid var(--c-sep);
            font-family: var(--font-mono);
        }
        .table-wrap tbody tr:nth-child(odd) {
            background: #FBF9F6;
        }
        .table-wrap tbody tr:nth-child(even) {
            background: #fff;
        }
        .table-wrap td:first-child {
            font-family: var(--font-sans);
            font-weight: 700;
        }
        /* Risk banner small */
        .risk-banner-sm {
            background: var(--c-alert-bg);
            border-left: 4px solid var(--c-amber);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.8;
        }
        .risk-banner-sm strong {
            color: var(--c-dark);
        }
        /* News cards */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-card-title {
            font-size: 16px;
            font-weight: 800;
            color: var(--c-text);
            line-height: 1.4;
            transition: color 0.25s ease;
        }
        .news-card-title a:hover {
            color: var(--c-amber);
        }
        .news-card-excerpt {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--c-text-sub);
            border-top: 1px solid var(--c-sep);
            padding-top: 10px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px 20px;
            background: var(--c-card);
            border: 1px dashed var(--c-border);
            border-radius: var(--radius-md);
            color: var(--c-text-sub);
            font-size: 14px;
        }
        /* Return / subscribe */
        .return-zone {
            background: var(--c-dark);
            color: #fff;
            padding: 40px 0;
        }
        .return-zone .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .return-zone h3 {
            font-size: 22px;
            font-weight: 900;
            margin: 0 0 4px;
        }
        .return-zone p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border: 2px solid var(--c-amber);
            color: var(--c-amber);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }
        .btn-secondary:hover, .btn-secondary:focus {
            background: var(--c-amber);
            color: var(--c-dark);
        }
        /* Footer */
        .site-footer {
            background: #16181D;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            margin: 0;
            color: rgba(255, 255, 255, 0.6);
            max-width: 420px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }
        .footer-col a:hover {
            color: var(--c-amber);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .domain {
            color: var(--c-amber);
        }
        /* Responsive */
        @media (max-width: 1023px) {
            .nav-links {
                gap: 18px;
            }
            .category-hero-right {
                flex: 0 0 220px;
                max-width: 220px;
            }
            .score-grid {
                grid-template-columns: 1fr 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: rgba(28, 31, 38, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 12px;
                border-bottom: 1px solid rgba(227, 222, 213, 0.15);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                font-size: 16px;
                padding: 10px 0;
            }
            .nav-actions .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-hero {
                padding: 32px 0 60px;
            }
            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .category-hero-left h1 {
                font-size: 26px;
            }
            .category-hero-right {
                flex: none;
                max-width: 100%;
                width: 100%;
            }
            .category-hero-right img {
                height: 140px;
            }
            .filter-toolbar {
                margin-top: -32px;
                padding: 14px 16px;
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                flex-wrap: wrap;
            }
            .filter-group select, .filter-group input {
                flex: 1;
                min-width: 100%;
            }
            .filter-apply {
                margin-left: 0;
                width: 100%;
                text-align: center;
            }
            .score-grid {
                grid-template-columns: 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 40px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .return-zone .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 16px;
            }
            .score-card-total .score-num {
                font-size: 28px;
            }
            .category-hero-left h1 {
                font-size: 22px;
            }
            .table-wrap table {
                min-width: 640px;
            }
        }

/* roulang page: category3 */
:root {
            --c-dark: #1C1F26;
            --c-amber: #D4883A;
            --c-amber-hover: #E79A4E;
            --c-green: #3D6B57;
            --c-alert-bg: #F7EBDF;
            --c-bg: #F6F3EE;
            --c-card: #FFFFFF;
            --c-text: #1C1F26;
            --c-text-sub: #5A5F6A;
            --c-border: #E3DED5;
            --c-sep: #EEE9E2;
            --c-blue-slate: #4A6B8C;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(28, 31, 38, 0.06);
            --shadow-hover: 0 6px 24px rgba(28, 31, 38, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "Noto Sans Mono CJK SC", monospace;
            --container: 1180px;
            --nav-h: 68px;
            --section-pad: 64px 0;
            --section-sm: 36px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--c-text);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: var(--c-amber);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--c-amber);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
        }
        p {
            margin: 0;
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: var(--section-pad);
        }
        section.section-alt {
            background: var(--c-card);
        }
        section.section-deep {
            background: var(--c-dark);
            color: #fff;
        }
        section.section-warm {
            background: var(--c-alert-bg);
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--c-amber);
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: inherit;
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 26px;
            background: var(--c-amber);
            border-radius: 2px;
        }
        .section-head p.sub {
            margin-top: 10px;
            font-size: 15px;
            color: var(--c-text-sub);
            max-width: 680px;
        }
        .section-deep .section-head p.sub {
            color: rgba(255,255,255,0.7);
        }
        .section-deep .section-head h2 {
            color: #fff;
        }
        /* ---- Header / Nav ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(28, 31, 38, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(227, 222, 213, 0.15);
            height: var(--nav-h);
            display: flex;
            align-items: center;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(28, 31, 38, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--c-amber);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--c-dark);
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo-text em {
            color: var(--c-amber);
            font-style: normal;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 600;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            color: #fff;
        }
        .nav-links a.active {
            color: var(--c-amber);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--c-amber);
            border-radius: 1px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            border-radius: 50%;
            transition: background 0.25s ease, color 0.25s ease;
        }
        .search-btn:hover,
        .search-btn:focus {
            background: rgba(255,255,255,0.1);
            color: var(--c-amber);
        }
        .search-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 320px;
            background: var(--c-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-hover);
            padding: 16px;
            display: none;
            z-index: 1001;
        }
        .search-panel.open {
            display: block;
        }
        .search-panel form {
            display: flex;
            gap: 8px;
        }
        .search-panel input[type="search"] {
            flex: 1;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            background: #fff;
            color: var(--c-text);
            outline: none;
            transition: border-color 0.25s ease;
        }
        .search-panel input[type="search"]:focus {
            border-color: var(--c-amber);
        }
        .search-panel button {
            background: var(--c-amber);
            color: var(--c-dark);
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 14px;
            transition: background 0.25s ease;
        }
        .search-panel button:hover {
            background: var(--c-amber-hover);
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background 0.25s ease;
        }
        .hamburger:hover {
            background: rgba(255,255,255,0.1);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ---- Category Hero ---- */
        .category-hero {
            background: var(--c-dark);
            color: #fff;
            padding: 40px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(212,136,58,0.08) 0%, rgba(28,31,38,0) 45%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .cat-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }
        .cat-breadcrumb a {
            color: rgba(255,255,255,0.6);
            transition: color 0.25s ease;
        }
        .cat-breadcrumb a:hover {
            color: var(--c-amber);
        }
        .cat-breadcrumb .sep {
            color: rgba(255,255,255,0.35);
        }
        .cat-breadcrumb .current {
            color: var(--c-amber);
            font-weight: 600;
        }
        .cat-hero-grid {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .cat-hero-left {
            flex: 1;
            min-width: 0;
        }
        .cat-hero-left h1 {
            font-size: 34px;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: #fff;
        }
        .cat-hero-left h1 span {
            color: var(--c-amber);
        }
        .cat-hero-left .cat-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.72);
            max-width: 560px;
            line-height: 1.7;
        }
        .cat-hero-right {
            flex-shrink: 0;
            width: 300px;
            height: 200px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0,0,0,0.35);
            border: 1px solid rgba(227,222,213,0.15);
        }
        .cat-hero-right img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cat-hero-badge {
            display: inline-block;
            background: rgba(212,136,58,0.15);
            color: var(--c-amber);
            font-size: 12px;
            font-weight: 700;
            border: 1px solid rgba(212,136,58,0.35);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        /* ---- Filter Bar ---- */
        .filter-bar {
            background: var(--c-card);
            border-bottom: 1px solid var(--c-border);
            box-shadow: 0 2px 8px rgba(28,31,38,0.04);
            padding: 14px 0;
            position: relative;
            z-index: 2;
        }
        .filter-bar .container {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--c-text-sub);
            white-space: nowrap;
        }
        .filter-select {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 13px;
            color: var(--c-text);
            cursor: pointer;
            transition: border-color 0.25s ease, background 0.25s ease;
            white-space: nowrap;
        }
        .filter-select:hover,
        .filter-select:focus-visible {
            border-color: var(--c-amber);
            background: #fff;
            outline: none;
        }
        .filter-select svg {
            width: 14px;
            height: 14px;
            color: var(--c-text-sub);
            flex-shrink: 0;
        }
        .filter-divider {
            width: 1px;
            height: 28px;
            background: var(--c-border);
        }
        /* ---- Cost Cards ---- */
        .cost-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .cost-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .cost-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .cost-card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 16px;
        }
        .cost-card-name {
            font-size: 18px;
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: -0.2px;
        }
        .cost-card-score {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .cost-score-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--c-amber);
            letter-spacing: -1px;
        }
        .cost-score-total {
            font-size: 13px;
            color: var(--c-text-sub);
            font-weight: 600;
        }
        .cost-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .cost-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .cost-tag.green {
            background: rgba(61,107,87,0.12);
            color: var(--c-green);
        }
        .cost-tag.amber {
            background: rgba(212,136,58,0.12);
            color: var(--c-amber);
        }
        .cost-tag.blue {
            background: rgba(74,107,140,0.12);
            color: var(--c-blue-slate);
        }
        .cost-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }
        .cost-metric {
            background: var(--c-bg);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
        }
        .cost-metric-label {
            font-size: 12px;
            color: var(--c-text-sub);
            margin-bottom: 4px;
            font-weight: 600;
        }
        .cost-metric-value {
            font-family: var(--font-mono);
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text);
        }
        .cost-card-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
            transition: color 0.25s ease;
        }
        .cost-card-link:hover,
        .cost-card-link:focus {
            color: var(--c-amber);
        }
        .cost-card-link svg {
            width: 16px;
            height: 16px;
        }
        /* ---- Dimension Explain ---- */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .dimension-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .dimension-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .dimension-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 900;
            color: var(--c-amber);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }
        .dimension-title {
            font-size: 16px;
            font-weight: 800;
            color: var(--c-text);
            margin-bottom: 8px;
        }
        .dimension-desc {
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.7;
        }
        /* ---- Comparison Table ---- */
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            background: var(--c-card);
            -webkit-overflow-scrolling: touch;
        }
        .cost-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 840px;
            font-size: 14px;
        }
        .cost-table thead {
            background: var(--c-dark);
            color: #fff;
        }
        .cost-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 13px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .cost-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--c-sep);
            white-space: nowrap;
            color: var(--c-text);
        }
        .cost-table tbody tr:nth-child(odd) {
            background: #FBF9F6;
        }
        .cost-table tbody tr:nth-child(even) {
            background: #fff;
        }
        .cost-table tbody tr:hover {
            background: var(--c-alert-bg);
        }
        .cost-table tbody tr:last-child td {
            border-bottom: none;
        }
        .table-num {
            font-family: var(--font-mono);
            font-weight: 700;
        }
        .table-score {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--c-amber);
        }
        .table-note {
            font-size: 13px;
            color: var(--c-text-sub);
            margin-top: 12px;
            text-align: right;
        }
        /* ---- Risk Strip ---- */
        .risk-strip {
            background: var(--c-alert-bg);
            border-left: 6px solid var(--c-amber);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-top: 24px;
        }
        .risk-strip h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--c-dark);
            margin-bottom: 8px;
        }
        .risk-strip p {
            font-size: 14px;
            color: var(--c-text-sub);
            line-height: 1.7;
        }
        /* ---- News Feed ---- */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-card h3 {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .news-card h3 a {
            color: var(--c-text);
            transition: color 0.25s ease;
        }
        .news-card h3 a:hover {
            color: var(--c-amber);
        }
        .news-summary {
            font-size: 13px;
            color: var(--c-text-sub);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
            color: var(--c-text-sub);
        }
        .news-cat {
            background: rgba(212,136,58,0.12);
            color: var(--c-amber);
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 11px;
        }
        .news-empty {
            background: var(--c-card);
            border: 1px dashed var(--c-border);
            border-radius: var(--radius-md);
            padding: 40px 20px;
            text-align: center;
            color: var(--c-text-sub);
            font-size: 14px;
            grid-column: 1 / -1;
        }
        .news-more {
            margin-top: 24px;
            text-align: center;
        }
        .news-more a {
            display: inline-block;
            font-size: 14px;
            font-weight: 700;
            color: var(--c-dark);
            padding: 8px 20px;
            border: 1px solid var(--c-dark);
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }
        .news-more a:hover {
            border-color: var(--c-amber);
            color: var(--c-amber);
        }
        /* ---- Mini Subscribe ---- */
        .mini-subscribe {
            background: var(--c-dark);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .mini-subscribe .sub-left h3 {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }
        .mini-subscribe .sub-left p {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
        }
        .mini-subscribe form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .mini-subscribe input[type="email"] {
            width: 260px;
            border: 1px solid rgba(227,222,213,0.3);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            background: rgba(255,255,255,0.06);
            color: #fff;
            outline: none;
            transition: border-color 0.25s ease;
        }
        .mini-subscribe input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .mini-subscribe input[type="email"]:focus {
            border-color: var(--c-amber);
        }
        .mini-subscribe button {
            background: var(--c-amber);
            color: var(--c-dark);
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            transition: background 0.25s ease;
            white-space: nowrap;
        }
        .mini-subscribe button:hover {
            background: var(--c-amber-hover);
        }
        /* ---- Back Link ---- */
        .back-link-area {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            transition: all 0.25s ease;
        }
        .back-link:hover,
        .back-link:focus {
            border-color: var(--c-amber);
            color: var(--c-amber);
        }
        .back-link svg {
            width: 16px;
            height: 16px;
        }
        /* ---- Footer ---- */
        .site-footer {
            background: var(--c-dark);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--c-amber);
        }
        .footer-bottom {
            border-top: 1px solid rgba(227,222,213,0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom .domain {
            color: rgba(255,255,255,0.65);
            font-family: var(--font-mono);
        }
        /* ---- Responsive ---- */
        @media (max-width: 1024px) {
            .cat-hero-grid {
                gap: 24px;
            }
            .cat-hero-right {
                width: 240px;
                height: 170px;
            }
            .nav-links {
                gap: 18px;
            }
            .cost-cards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 40px 0;
                --section-sm: 28px 0;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: var(--c-dark);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 20px 28px;
                gap: 18px;
                display: none;
                border-bottom: 1px solid rgba(227,222,213,0.15);
                box-shadow: 0 20px 40px rgba(0,0,0,0.3);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                font-size: 16px;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid rgba(227,222,213,0.08);
            }
            .nav-links a.active::after {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .search-panel {
                position: fixed;
                top: calc(var(--nav-h) + 8px);
                left: 20px;
                right: 20px;
                width: auto;
            }
            .cat-hero-grid {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .cat-hero-left h1 {
                font-size: 26px;
            }
            .cat-hero-right {
                width: 100%;
                height: 180px;
            }
            .filter-bar .container {
                gap: 10px;
            }
            .filter-divider {
                display: none;
            }
            .cost-cards-grid {
                grid-template-columns: 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .mini-subscribe {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .mini-subscribe input[type="email"] {
                width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .cat-hero-left h1 {
                font-size: 22px;
            }
            .cost-metrics {
                grid-template-columns: 1fr;
            }
            .cost-metric {
                padding: 10px;
            }
            .dimension-num {
                font-size: 30px;
            }
            .mini-subscribe button {
                width: 100%;
            }
            .back-link-area {
                flex-direction: column;
                align-items: center;
            }
            .section-head h2 {
                font-size: 24px;
                padding-left: 14px;
            }
            .section-head h2::before {
                height: 22px;
                top: 6px;
            }
        }