/* roulang page: index */
:root {
            --primary: #1e2d3d;
            --primary-light: #2c3e50;
            --primary-deep: #16222e;
            --accent: #c9a05c;
            --accent-hover: #b08840;
            --accent-soft: rgba(201, 160, 92, 0.12);
            --bg: #f7f5f0;
            --bg-alt: #f0ede6;
            --bg-mist: #eef1ed;
            --text: #1a1a1a;
            --text-light: #f5f2ec;
            --text-muted: #6b6560;
            --border: #e7e0d5;
            --border-strong: #d6cec2;
            --radius-lg: 16px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --shadow-sm: 0 4px 12px rgba(20, 30, 40, 0.04);
            --shadow-md: 0 8px 24px rgba(20, 30, 40, 0.06);
            --shadow-hover: 0 16px 36px rgba(20, 30, 40, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --container-max: 1200px;
            --section-pad: 96px;
            --section-pad-mobile: 56px;
            --header-height: 76px;
            --transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
        }

        *,
        *::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: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            background: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        :focus-visible {
            outline: 3px solid rgba(201, 160, 92, 0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

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

        .section--mist {
            background: var(--bg-mist);
        }

        .section--deep {
            background: var(--primary);
            color: var(--text-light);
        }

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

        .section--deep .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-header {
            margin-bottom: 44px;
            max-width: 720px;
        }

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

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.16em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-eyebrow::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        .section-header--center .section-eyebrow::after {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

        .section-header--center .section-eyebrow::before {
            display: none;
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 950;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-name span {
            color: var(--accent);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }

        .desktop-nav::-webkit-scrollbar {
            height: 4px;
        }

        .desktop-nav::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 4px;
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-muted);
            transition: all var(--transition);
            white-space: nowrap;
            min-width: 72px;
            position: relative;
        }

        .nav-item svg {
            width: 22px;
            height: 22px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.6;
        }

        .nav-item:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }

        .nav-item.active {
            color: var(--primary);
            background: var(--accent-soft);
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-alt);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: var(--accent-soft);
        }

        .hamburger svg {
            width: 26px;
            height: 26px;
            stroke: var(--primary);
            fill: none;
            stroke-width: 2;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 25, 30, 0.5);
            z-index: 940;
            backdrop-filter: blur(4px);
        }

        .mobile-menu.open {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            padding-top: 20px;
        }

        .mobile-menu-panel {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            width: 92%;
            max-width: 420px;
            max-height: 80vh;
            overflow-y: auto;
            box-shadow: var(--shadow-hover);
        }

        .mobile-menu-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .mobile-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            padding: 14px 8px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-muted);
            transition: all var(--transition);
        }

        .mobile-nav-item svg {
            width: 26px;
            height: 26px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.6;
        }

        .mobile-nav-item:hover,
        .mobile-nav-item.active {
            color: var(--primary);
            background: var(--accent-soft);
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .btn svg {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
        }

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

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(201, 160, 92, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(201, 160, 92, 0.2);
        }

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

        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

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

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn-block {
            width: 100%;
        }

        /* ============ HERO (Full-width immersive KV) ============ */
        .hero-kv {
            position: relative;
            min-height: 76vh;
            display: flex;
            align-items: center;
            background: var(--primary);
            color: var(--text-light);
            overflow: hidden;
        }

        .hero-kv-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/4c291fdbcdf538ee.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.5;
            z-index: 1;
        }

        .hero-kv-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(22, 30, 40, 0.85) 20%, rgba(22, 30, 40, 0.55) 55%, rgba(22, 30, 40, 0.35) 75%, rgba(22, 30, 40, 0.6) 100%);
            z-index: 2;
        }

        .hero-kv .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-kv-content h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .hero-kv-content h1 .accent {
            color: var(--accent);
        }

        .hero-kv-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-kv-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-kv-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .hero-data-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 22px 26px;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .hero-data-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
        }

        .hero-data-card .label {
            font-size: 12px;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .hero-data-card .value {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .hero-data-card .meta {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        .hero-countdown {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 4;
            background: rgba(22, 30, 40, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 16px 0;
        }

        .hero-countdown .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            padding-top: 0;
            padding-bottom: 0;
        }

        .countdown-label {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .countdown-label svg {
            width: 18px;
            height: 18px;
            stroke: var(--accent);
            fill: none;
            stroke-width: 1.8;
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            min-width: 52px;
        }

        .countdown-unit .num {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .countdown-unit .word {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.6);
        }

        .countdown-divider {
            font-size: 22px;
            color: rgba(255, 255, 255, 0.4);
            font-weight: 600;
        }

        /* ============ CARDS & GRIDS ============ */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: var(--border-strong);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            flex-shrink: 0;
        }

        .card-icon svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.6;
        }

        .card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .card p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        .card-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

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

        .card-stat strong {
            font-size: 20px;
            color: var(--primary);
            font-weight: 700;
            display: block;
        }

        /* Match cards */
        .match-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .match-card .league-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .match-card .match-teams {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .match-card .match-time {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .match-card .match-score {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            margin: 10px 0;
        }

        .match-card .match-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .match-tag {
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 4px;
            background: var(--bg-alt);
            color: var(--text-muted);
            font-weight: 500;
        }

        .match-tag.hot {
            background: var(--accent-soft);
            color: var(--accent);
        }

        /* ============ SCENE CARDS ============ */
        .scene-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .scene-card .scene-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            flex-shrink: 0;
            opacity: 0.5;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .scene-card p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        /* ============ COMPARE PANEL ============ */
        .compare-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .compare-col {
            padding: 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .compare-col--highlight {
            background: var(--primary);
            color: var(--text-light);
            border: 1px solid var(--primary);
        }

        .compare-col--normal {
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .compare-col h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .compare-col--highlight h3 {
            color: #fff;
        }

        .compare-col--normal h3 {
            color: var(--text-muted);
        }

        .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.7;
        }

        .compare-col--highlight li {
            color: rgba(255, 255, 255, 0.85);
        }

        .compare-col--normal li {
            color: var(--text-muted);
        }

        .compare-list svg {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compare-col--highlight li svg {
            stroke: var(--accent);
        }

        .compare-col--normal li svg {
            stroke: #bbb;
        }

        /* ============ NEWS CARDS ============ */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .news-date {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .news-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            flex-grow: 1;
            margin-bottom: 16px;
        }

        .news-card .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .news-card .news-link svg {
            width: 16px;
            height: 16px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

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

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }

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

        .faq-toggle-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform var(--transition);
            font-weight: 400;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms cubic-bezier(0.33, 1, 0.68, 1);
            background: var(--bg);
        }

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

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            line-height: 1.9;
            color: var(--text-muted);
        }

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

        .trust-card {
            text-align: center;
            padding: 28px 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .trust-card .trust-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .trust-card .trust-icon svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.6;
        }

        .trust-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .trust-card p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.35;
        }

        .brand-intro p {
            font-size: 15px;
            line-height: 2;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .brand-intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 320px;
            background: var(--bg-alt);
            position: relative;
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ============ TOPIC / RECOMMEND ============ */
        .topic-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--primary);
            aspect-ratio: 4/3;
            display: flex;
            align-items: flex-end;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.65;
            transition: opacity var(--transition);
        }

        .topic-card:hover img {
            opacity: 0.8;
        }

        .topic-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(22, 30, 40, 0.85) 0%, rgba(22, 30, 40, 0.2) 60%);
        }

        .topic-card-content {
            position: relative;
            z-index: 2;
            padding: 20px;
            color: #fff;
            width: 100%;
        }

        .topic-card-content .tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(201, 160, 92, 0.2);
            padding: 3px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 8px;
        }

        .topic-card-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        /* ============ ENTRY MATRIX ============ */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .entry-btn {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .entry-btn:hover {
            border-color: var(--accent);
            background: var(--accent-soft);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .entry-btn svg {
            width: 20px;
            height: 20px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.8;
            color: var(--accent);
        }

        /* ============ USER PATH ============ */
        .path-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .path-step {
            padding: 28px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition);
        }

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

        .path-step .step-num {
            font-size: 48px;
            font-weight: 700;
            color: var(--accent);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 12px;
        }

        .path-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .path-step p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        /* ============ SUBSCRIBE FORM ============ */
        .subscribe-box {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            text-align: center;
            color: var(--text-light);
        }

        .subscribe-box h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .subscribe-box p {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(201, 160, 92, 0.2);
            outline: none;
        }

        /* ============ STICKY CTA ============ */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: var(--primary);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            transform: translateY(100%);
            transition: transform 400ms cubic-bezier(0.33, 1, 0.68, 1);
            padding: 14px 0;
        }

        .sticky-cta.visible {
            transform: translateY(0);
        }

        .sticky-cta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .sticky-cta-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .sticky-cta-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .sticky-cta .btn {
            padding: 10px 20px;
            font-size: 14px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 32px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand span {
            color: var(--accent);
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-risk {
            font-size: 12px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.45);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-bottom: 20px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

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

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

        .footer-bottom-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 72px;
            }

            .hero-kv .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-kv-side {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .hero-data-card {
                flex: 1;
                min-width: 220px;
            }

            .grid-3,
            .grid-4,
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .brand-intro {
                grid-template-columns: 1fr;
            }

            .compare-panel {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-pad: 56px;
            }

            .desktop-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero-kv {
                min-height: auto;
                padding-top: 40px;
                padding-bottom: 100px;
            }

            .hero-kv-content h1 {
                font-size: 30px;
            }

            .hero-kv-subtitle {
                font-size: 15px;
            }

            .hero-kv-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-kv-side {
                flex-direction: column;
            }

            .hero-countdown .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .grid-3,
            .grid-4,
            .trust-grid,
            .entry-matrix,
            .path-steps,
            .news-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 24px;
            }

            .compare-panel {
                grid-template-columns: 1fr;
            }

            .brand-intro {
                padding: 24px;
            }

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

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

            .sticky-cta .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .sticky-cta-actions {
                width: 100%;
            }

            .sticky-cta .btn {
                flex: 1;
                text-align: center;
                justify-content: center;
            }

            .subscribe-box {
                padding: 32px 24px;
            }

            .subscribe-form {
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .grid-3,
            .grid-4,
            .trust-grid,
            .entry-matrix,
            .grid-2 {
                grid-template-columns: 1fr;
            }

            .hero-kv-content h1 {
                font-size: 26px;
            }

            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }

            .match-card {
                padding: 16px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }

            .faq-answer-inner {
                padding: 0 18px 18px;
                font-size: 13px;
            }

            .mobile-menu-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1e2d3d;
            --primary-light: #2c3e50;
            --primary-deep: #16222e;
            --accent: #c9a05c;
            --accent-hover: #b08840;
            --accent-soft: rgba(201, 160, 92, 0.12);
            --bg: #f7f5f0;
            --bg-alt: #f0ede6;
            --bg-mist: #eef1ed;
            --text: #1a1a1a;
            --text-light: #f5f2ec;
            --text-muted: #6b6560;
            --border: #e7e0d5;
            --border-strong: #d6cec2;
            --radius-lg: 16px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --shadow-sm: 0 4px 12px rgba(20, 30, 40, 0.04);
            --shadow-md: 0 8px 24px rgba(20, 30, 40, 0.06);
            --shadow-hover: 0 16px 36px rgba(20, 30, 40, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --container-max: 1200px;
            --section-pad: 96px;
            --section-pad-mobile: 56px;
            --header-height: 76px;
            --transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
        }
        :root {
            --section-pad: 72px;
        }
        :root {
            --header-height: 64px;
            --section-pad: 56px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            background: none;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
            box-sizing: border-box;
        }
        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }
        .section--alt {
            background: var(--bg-alt);
        }
        .section--mist {
            background: var(--bg-mist);
        }
        .section--deep {
            background: var(--primary);
            color: var(--text-light);
        }
        .section--deep .section-title {
            color: #fff;
        }
        .section--deep .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .section-header {
            margin-bottom: 44px;
            max-width: 720px;
        }
        .section-header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.16em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-eyebrow::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
            margin-top: 0;
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
            margin: 0;
        }
        .section-header--center .section-eyebrow::after {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }
        .section-header--center .section-eyebrow::before {
            display: none;
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 950;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-name span {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }
        .desktop-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            flex-shrink: 0;
            position: relative;
            white-space: nowrap;
        }
        .nav-item svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.6;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .nav-item:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }
        .nav-item.active {
            color: var(--primary);
            background: var(--accent-soft);
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--accent-soft);
        }
        .hamburger svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* ============ MOBILE NAV DRAWER ============ */
        .mobile-nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(22, 34, 46, 0.55);
            z-index: 960;
            opacity: 0;
            pointer-events: none;
            transition: opacity 280ms ease;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100%;
            background: var(--bg);
            z-index: 970;
            transform: translateX(100%);
            transition: transform 300ms cubic-bezier(0.33, 1, 0.68, 1);
            padding: 24px;
            box-sizing: border-box;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            transform: translateX(0);
        }
        .mobile-nav-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .mobile-nav-close {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: background var(--transition);
        }
        .mobile-nav-close:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }
        .mobile-nav-close svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .mobile-nav-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .mobile-nav-grid .nav-item {
            flex-direction: column;
            align-items: center;
            gap: 6px;
            padding: 14px 8px;
            font-size: 12px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: #fff;
            white-space: nowrap;
        }
        .mobile-nav-grid .nav-item.active {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px var(--accent-soft);
        }
        .mobile-nav-grid .nav-item.active::after {
            display: none;
        }

        /* ============ BREADCRUMB PAGE HEADER ============ */
        .page-head {
            padding-top: 42px;
            padding-bottom: 34px;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .page-head .container {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .page-head-left {
            max-width: 700px;
        }
        .page-head-left h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }
        .page-head-left .page-sub {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--border-strong);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ CARD GRID ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .info-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .info-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .info-card-body {
            padding: 22px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .info-card-badge {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: 20px;
            padding: 4px 12px;
            margin-bottom: 12px;
            width: fit-content;
        }
        .info-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin: 0 0 10px;
        }
        .info-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 18px;
            flex: 1;
        }
        .info-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }
        .info-card-link:hover {
            color: var(--accent);
            gap: 10px;
        }
        .info-card-link svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.6;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* ============ DIMENSION CARDS ============ */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .dimension-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .dimension-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .dimension-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .dimension-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.6;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .dimension-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
        }
        .dimension-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ============ ARTICLE LIST ============ */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .article-item-left {
            flex: 1;
            min-width: 260px;
        }
        .article-date {
            font-size: 12px;
            font-weight: 500;
            color: var(--accent);
            margin-bottom: 4px;
            letter-spacing: 0.04em;
        }
        .article-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
            margin: 0 0 6px;
        }
        .article-summary {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .article-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            flex-shrink: 0;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .article-link:hover {
            color: var(--accent);
        }
        .article-link svg {
            width: 14px;
            height: 14px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.6;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* ============ DATA STRIP ============ */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .data-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .data-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .data-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-num span {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            margin-left: 2px;
        }
        .data-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-toggle {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 400;
            color: var(--accent);
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .faq-item.open .faq-toggle {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-height: 0;
            overflow: hidden;
            transition: max-height 320ms ease, padding 320ms ease;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding-bottom: 18px;
        }

        /* ============ NOTICE BOX ============ */
        .notice-box {
            background: #fff;
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            box-shadow: var(--shadow-sm);
            max-width: 800px;
        }
        .notice-box h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
        }
        .notice-box p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ============ CTA BAR ============ */
        .cta-bar {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-bar-left h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
        }
        .cta-bar-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            box-sizing: border-box;
            line-height: 1.5;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-3px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }
        .btn:focus,
        .nav-item:focus,
        .faq-question:focus,
        .info-card-link:focus,
        .article-link:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .footer-brand span {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
            display: inline-block;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-risk {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.8;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .card-grid,
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .desktop-nav {
                gap: 0;
            }
            .nav-item {
                padding: 8px 8px;
                font-size: 11px;
            }
            .nav-item svg {
                width: 20px;
                height: 20px;
            }
            .page-head-left h1 {
                font-size: 28px;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .card-grid,
            .card-grid--2,
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-head .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .page-head-left h1 {
                font-size: 26px;
            }
            .cta-bar {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
                padding: 28px 22px;
            }
            .article-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .info-card-img {
                height: 160px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-head-left h1 {
                font-size: 22px;
            }
            .data-strip {
                grid-template-columns: 1fr;
            }
            .info-card-body {
                padding: 18px 16px 20px;
            }
            .article-item {
                padding: 14px 16px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 13px;
            }
            .notice-box {
                padding: 16px 18px;
            }
            .brand-name {
                font-size: 16px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .mobile-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1e2d3d;
            --primary-light: #2c3e50;
            --primary-deep: #16222e;
            --accent: #c9a05c;
            --accent-hover: #b08840;
            --accent-soft: rgba(201, 160, 92, 0.12);
            --bg: #f7f5f0;
            --bg-alt: #f0ede6;
            --bg-mist: #eef1ed;
            --text: #1a1a1a;
            --text-light: #f5f2ec;
            --text-muted: #6b6560;
            --border: #e7e0d5;
            --border-strong: #d6cec2;
            --radius-lg: 16px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --shadow-sm: 0 4px 12px rgba(20, 30, 40, 0.04);
            --shadow-md: 0 8px 24px rgba(20, 30, 40, 0.06);
            --shadow-hover: 0 16px 36px rgba(20, 30, 40, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --container-max: 1200px;
            --section-pad: 72px;
            --section-pad-mobile: 56px;
            --header-height: 64px;
            --transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
        }
        *,
        *::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: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            background: none;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }
        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }
        .section--alt {
            background: var(--bg-alt);
        }
        .section--mist {
            background: var(--bg-mist);
        }
        .section--deep {
            background: var(--primary);
            color: var(--text-light);
        }
        .section--deep .section-title {
            color: #fff;
        }
        .section--deep .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .section-header {
            margin-bottom: 40px;
            max-width: 720px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.14em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-eyebrow::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 950;
            background: rgba(247, 245, 240, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 17px;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-name span {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .desktop-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--text-muted);
            position: relative;
            white-space: nowrap;
            transition: all var(--transition);
            min-width: 56px;
        }
        .nav-item svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: stroke var(--transition), transform var(--transition);
        }
        .nav-item:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }
        .nav-item:hover svg {
            transform: translateY(-2px);
            stroke: var(--accent);
        }
        .nav-item.active {
            color: var(--primary);
            background: var(--accent-soft);
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .nav-item.active svg {
            stroke: var(--accent);
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: transparent;
            flex-shrink: 0;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--accent-soft);
        }
        .hamburger svg {
            width: 26px;
            height: 26px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.8;
        }

        /* Mobile Nav Overlay */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 24, 30, 0.55);
            z-index: 960;
            opacity: 0;
            pointer-events: none;
            transition: opacity 260ms ease;
        }
        .mobile-nav.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: min(84vw, 360px);
            height: 100%;
            background: var(--bg);
            border-left: 1px solid var(--border);
            padding: 20px 16px 32px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 300ms cubic-bezier(0.33, 1, 0.68, 1);
            z-index: 961;
        }
        .mobile-nav.open .mobile-nav-panel {
            transform: translateX(0);
        }
        .mobile-nav-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: transparent;
            transition: background var(--transition);
        }
        .mobile-nav-close:hover {
            background: var(--accent-soft);
        }
        .mobile-nav-close svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.8;
            stroke-linecap: round;
        }
        .mobile-nav-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
        }
        .mobile-nav-grid .nav-item {
            flex-direction: column;
            align-items: center;
            gap: 6px;
            padding: 14px 6px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            min-width: 0;
        }
        .mobile-nav-grid .nav-item.active {
            border-color: var(--accent);
            box-shadow: 0 0 0 1px var(--accent);
        }
        .mobile-nav-grid .nav-item.active::after {
            display: none;
        }
        .mobile-nav-grid .nav-item span {
            font-size: 12px;
            font-weight: 500;
        }

        /* ============ PAGE HEADER / BREADCRUMB ============ */
        .page-header {
            padding: 36px 0 28px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: var(--border-strong);
            font-size: 10px;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .page-header .page-lead {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
        }

        /* ============ CARDS GRID ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .data-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .data-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .data-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 500ms ease;
        }
        .data-card:hover .data-card-img img {
            transform: scale(1.04);
        }
        .data-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(30, 45, 61, 0.85);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(6px);
        }
        .data-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .data-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .data-card-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            transition: all var(--transition);
            align-self: flex-start;
        }
        .card-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }
        .card-link .arrow {
            display: inline-block;
            transition: transform var(--transition);
            font-size: 16px;
            line-height: 1;
        }
        .card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ============ DIMENSION CARDS ============ */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .dimension-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .dimension-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .dimension-card .dim-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            color: var(--accent);
        }
        .dimension-card .dim-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .dimension-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .dimension-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* ============ DATA BAR ============ */
        .data-bar {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            overflow: hidden;
        }
        .data-bar::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 160, 92, 0.08);
            pointer-events: none;
        }
        .data-stat {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .data-stat .stat-value {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .data-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }
        .data-stat .stat-divider {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--accent);
            margin: 8px auto 0;
            border-radius: 1px;
        }

        /* ============ ARTICLE LIST ============ */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .article-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 18px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .article-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border-strong);
        }
        .article-date {
            flex-shrink: 0;
            min-width: 72px;
            text-align: center;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            padding: 8px 6px;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            line-height: 1.45;
        }
        .article-date strong {
            display: block;
            font-size: 18px;
            color: var(--primary);
            font-weight: 700;
        }
        .article-content {
            flex: 1;
        }
        .article-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .article-content p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .article-read {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            transition: all var(--transition);
        }
        .article-read:hover {
            color: var(--accent-hover);
            gap: 8px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.6;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 300;
            transition: transform 260ms ease;
            line-height: 1;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        /* ============ DECLARATION ============ */
        .declaration-box {
            background: #fff;
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border-top: 1px solid var(--border);
            border-right: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .declaration-box p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.85;
        }
        .declaration-box strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ CTA STRIP ============ */
        .cta-strip {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .cta-strip h2 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .cta-strip p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(201, 160, 92, 0.3);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary-deep);
            color: var(--text-light);
            padding-top: 56px;
            padding-bottom: 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.8fr 1.4fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .footer-brand span {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-risk {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.8;
            padding: 14px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }
        .footer-bottom {
            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-links {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
                --header-height: 60px;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
                padding: 22px 18px;
            }
            .data-stat .stat-value {
                font-size: 26px;
            }
            .cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-item {
                flex-direction: column;
                gap: 10px;
            }
            .article-date {
                min-width: auto;
                text-align: left;
                display: flex;
                gap: 10px;
                align-items: baseline;
                background: none;
                padding: 0;
            }
            .article-date strong {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-name {
                font-size: 16px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .page-header .page-lead {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .data-card-body {
                padding: 14px 16px 16px;
            }
            .data-card-body h3 {
                font-size: 15px;
            }
            .data-bar {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 18px 14px;
            }
            .data-stat .stat-value {
                font-size: 22px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-strip h2 {
                font-size: 17px;
            }
            .mobile-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category1 */
:root {
  --primary: #1e2d3d;
  --primary-light: #2c3e50;
  --primary-deep: #16222e;
  --accent: #c9a05c;
  --accent-hover: #b08840;
  --accent-soft: rgba(201, 160, 92, 0.12);
  --bg: #f7f5f0;
  --bg-alt: #f0ede6;
  --bg-mist: #eef1ed;
  --text: #1a1a1a;
  --text-light: #f5f2ec;
  --text-muted: #6b6560;
  --border: #e7e0d5;
  --border-strong: #d6cec2;
  --radius-lg: 16px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-btn: 10px;
  --shadow-sm: 0 4px 12px rgba(20, 30, 40, 0.04);
  --shadow-md: 0 8px 24px rgba(20, 30, 40, 0.06);
  --shadow-hover: 0 16px 36px rgba(20, 30, 40, 0.12);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --container-max: 1200px;
  --section-pad: 72px;
  --section-pad-mobile: 56px;
  --header-height: 64px;
  --transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.section {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
  position: relative;
}

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

.section--mist {
  background: var(--bg-mist);
}

.section--deep {
  background: var(--primary);
  color: var(--text-light);
}

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

.section--deep .section-subtitle {
  color: rgba(255, 255, 255, 0.75);
}

.section-header {
  margin-bottom: 44px;
  max-width: 720px;
}

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ============ HEADER & NAV ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 950;
  background: rgba(247, 245, 240, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-name span {
  color: var(--accent);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}

.nav-item svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  transition: stroke var(--transition);
}

.nav-item:hover {
  color: var(--primary);
  background: var(--accent-soft);
}

.nav-item.active {
  color: var(--primary);
  background: var(--accent-soft);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--primary);
  transition: background var(--transition);
}

.hamburger:hover {
  background: var(--accent-soft);
}

.hamburger svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(22, 34, 46, 0.6);
  z-index: 940;
  backdrop-filter: blur(4px);
}

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

.mobile-menu-panel {
  background: var(--bg);
  padding: 24px;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  max-height: 80vh;
  overflow-y: auto;
}

.mobile-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.mobile-menu-grid .nav-item {
  padding: 16px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}

/* ============ BREADCRUMB ============ */
.breadcrumb-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

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

.breadcrumb .sep {
  color: var(--border-strong);
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--primary);
  font-weight: 600;
}

/* ============ PAGE HERO (分类页眉) ============ */
.page-hero {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 48px 0 40px;
}

.page-hero .container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.page-hero-left {
  flex: 1;
  min-width: 280px;
}

.page-hero .h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.page-hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 640px;
}

.page-hero-right {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
}

.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
}

/* ============ CARD GRID ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.content-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-sm);
}

.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

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

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

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

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

.content-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.45;
}

.content-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
  flex: 1;
}

.content-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.card-tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--bg-mist);
  color: var(--text-muted);
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
}

.btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary-deep);
  border: 1px solid var(--accent);
}

.btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--primary-deep);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn-view {
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}

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

.more-link {
  text-align: center;
  margin-top: 32px;
}

/* ============ DIMENSION CARDS ============ */
.dim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.dim-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
}

.dim-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.dim-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}

.dim-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

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

/* ============ ARTICLE LIST ============ */
.article-list {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-item {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  align-items: flex-start;
}

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

.article-item:hover {
  background: var(--bg);
}

.article-date {
  flex-shrink: 0;
  min-width: 80px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.article-content {
  flex: 1;
}

.article-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  line-height: 1.5;
}

.article-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.article-read {
  flex-shrink: 0;
  align-self: center;
}

/* ============ DATA STRIP ============ */
.data-strip {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.data-strip-item {
  text-align: center;
}

.data-strip-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.data-strip-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

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

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

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  transition: color var(--transition);
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  color: var(--accent);
  transition: all var(--transition);
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  transition: all var(--transition);
}

.faq-icon::before {
  width: 12px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 12px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.85;
}

/* ============ NOTICE BANNER ============ */
.notice-banner {
  background: rgba(201, 160, 92, 0.1);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.notice-banner-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
}

.notice-banner p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
  flex: 1;
}

/* ============ CTA BAR ============ */
.cta-bar {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-bar-text {
  flex: 1;
  min-width: 240px;
}

.cta-bar-text h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.cta-bar-text p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 56px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand span {
  color: var(--accent);
}

.footer-desc {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

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

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

.footer-col ul li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

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

.footer-risk {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.8;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
}

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

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .desktop-nav {
    gap: 2px;
  }
  .nav-item {
    padding: 6px 8px;
    font-size: 11px;
  }
  .nav-item svg {
    width: 19px;
    height: 19px;
  }
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dim-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .footer-grid > div:last-child {
    grid-column: 1 / -1;
  }
  .page-hero .h1 {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 60px;
  }
  :root {
    --header-height: 60px;
    --section-pad: 56px;
  }
  .desktop-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .page-hero {
    padding: 32px 0 28px;
  }
  .page-hero .container {
    flex-direction: column;
    gap: 16px;
  }
  .page-hero .h1 {
    font-size: 26px;
  }
  .page-hero-desc {
    font-size: 14px;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .dim-grid {
    grid-template-columns: 1fr;
  }
  .data-strip {
    grid-template-columns: 1fr 1fr;
    padding: 24px 20px;
  }
  .data-strip-value {
    font-size: 26px;
  }
  .cta-bar {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .article-item {
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px;
  }
  .article-date {
    min-width: auto;
  }
  .article-read {
    align-self: flex-start;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 15px;
  }
  .faq-answer-inner {
    padding: 0 18px 16px;
  }
}

@media (max-width: 520px) {
  :root {
    --section-pad: 40px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .brand-name {
    font-size: 16px;
  }
  .brand-logo {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }
  .page-hero .h1 {
    font-size: 22px;
  }
  .section-title {
    font-size: 24px;
  }
  .section-subtitle {
    font-size: 14px;
  }
  .data-strip {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .mobile-menu-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .notice-banner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* roulang page: category5 */
:root {
            --primary: #1e2d3d;
            --primary-light: #2c3e50;
            --primary-deep: #16222e;
            --accent: #c9a05c;
            --accent-hover: #b08840;
            --accent-soft: rgba(201, 160, 92, 0.12);
            --bg: #f7f5f0;
            --bg-alt: #f0ede6;
            --bg-mist: #eef1ed;
            --text: #1a1a1a;
            --text-light: #f5f2ec;
            --text-muted: #6b6560;
            --border: #e7e0d5;
            --border-strong: #d6cec2;
            --radius-lg: 16px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --shadow-sm: 0 4px 12px rgba(20, 30, 40, 0.04);
            --shadow-md: 0 8px 24px rgba(20, 30, 40, 0.06);
            --shadow-hover: 0 16px 36px rgba(20, 30, 40, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --container-max: 1200px;
            --section-pad: 96px;
            --section-pad-mobile: 56px;
            --header-height: 76px;
            --transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
        }

        *,
        *::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: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            background: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

        .section--alt {
            background: var(--bg-alt);
        }
        .section--mist {
            background: var(--bg-mist);
        }
        .section--deep {
            background: var(--primary);
            color: var(--text-light);
        }
        .section--deep .section-title {
            color: #fff;
        }
        .section--deep .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-header {
            margin-bottom: 44px;
            max-width: 720px;
        }
        .section-header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.16em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-eyebrow::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
        }
        .section-header--center .section-eyebrow::after {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }
        .section-header--center .section-eyebrow::before {
            display: none;
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 950;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-name span {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-item svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.6;
            stroke-linecap: round;
            stroke-linejoin: round;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .nav-item:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }
        .nav-item.active {
            color: var(--primary);
            background: var(--accent-soft);
            font-weight: 600;
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-item.active svg {
            stroke: var(--accent);
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .hamburger svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .hamburger:hover {
            background: var(--accent-soft);
        }

        /* ============ BREADCRUMB & CATEGORY HEADER ============ */
        .category-header {
            padding-top: 48px;
            padding-bottom: 32px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--border-strong);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .category-header-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-header-text {
            max-width: 700px;
        }
        .category-header-text h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .category-header-text p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        /* ============ CARDS GRID ============ */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .tool-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .tool-card-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            background: var(--bg-alt);
            flex-shrink: 0;
        }
        .tool-card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .tool-card-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: 999px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .tool-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .tool-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 16px;
        }
        .tool-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
            align-self: flex-start;
        }
        .tool-card-link svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: transform var(--transition);
        }
        .tool-card-link:hover {
            color: var(--accent);
        }
        .tool-card-link:hover svg {
            transform: translateX(3px);
        }

        /* ============ DIMENSION CARDS ============ */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .dimension-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .dimension-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .dimension-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .dimension-icon svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--accent);
            stroke-width: 1.6;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .dimension-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .dimension-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* ============ ARTICLE LIST ============ */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .article-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .article-item-date {
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
            width: 90px;
        }
        .article-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            flex: 1;
            line-height: 1.5;
        }
        .article-item-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            flex-shrink: 0;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-item-link:hover {
            color: var(--accent-hover);
        }

        /* ============ DATA STRIP ============ */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-strip-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .data-strip-item .num {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-strip-item .label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            position: relative;
            transition: transform var(--transition);
        }
        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--accent);
            border-radius: 2px;
        }
        .faq-question .faq-icon::before {
            width: 16px;
            height: 2px;
        }
        .faq-question .faq-icon::after {
            width: 2px;
            height: 16px;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon::after {
            transform: translate(-50%, -50%) scaleY(0);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        /* ============ NOTICE / CTA ============ */
        .notice-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
            max-width: 800px;
        }
        .notice-box p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .notice-box p:last-child {
            margin-bottom: 0;
        }
        .notice-box strong {
            color: var(--primary);
            font-weight: 600;
        }
        .cta-strip {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            box-shadow: var(--shadow-hover);
            flex-wrap: wrap;
        }
        .cta-strip-text {
            flex: 1;
            min-width: 240px;
        }
        .cta-strip-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .cta-strip-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            color: #fff;
            box-shadow: 0 10px 24px rgba(201, 160, 92, 0.3);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            transform: translateY(-3px);
            color: #fff;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary-deep);
            color: var(--text-light);
            padding-top: 56px;
            padding-bottom: 24px;
            margin-top: auto;
        }
        .site-footer .container {
            max-width: var(--container-max);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .footer-brand span {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-risk {
            font-size: 12px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.45);
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimension-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .desktop-nav {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }
            .desktop-nav::-webkit-scrollbar {
                display: none;
            }
            .desktop-nav .nav-item {
                padding: 8px 10px;
                font-size: 13px;
            }
            .desktop-nav .nav-item svg {
                width: 20px;
                height: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
                --header-height: 64px;
            }
            .section {
                padding-top: var(--section-pad);
                padding-bottom: var(--section-pad);
            }
            .category-header {
                padding-top: 32px;
                padding-bottom: 24px;
            }
            .category-header-text h1 {
                font-size: 28px;
            }
            .category-header-text p {
                font-size: 14px;
            }
            .tool-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .tool-card-img {
                height: 180px;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .data-strip-item .num {
                font-size: 26px;
            }
            .article-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 14px 16px;
            }
            .article-item-date {
                width: auto;
                font-size: 12px;
            }
            .article-item-title {
                font-size: 14px;
                width: 100%;
                order: 2;
            }
            .article-item-link {
                order: 3;
                font-size: 12px;
            }
            .cta-strip {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }
            .cta-strip-text h3 {
                font-size: 17px;
            }
            .site-header .container {
                gap: 10px;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --section-pad: 44px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-header-text h1 {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .tool-card-body {
                padding: 16px 18px 18px;
            }
            .tool-card-title {
                font-size: 16px;
            }
            .tool-card-desc {
                font-size: 13px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-strip-item {
                padding: 14px 10px;
            }
            .data-strip-item .num {
                font-size: 22px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer p {
                padding: 0 16px 16px;
                font-size: 13px;
            }
            .notice-box {
                padding: 18px 16px;
            }
            .notice-box p {
                font-size: 13px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }
        }

        /* ============ ACCESSIBILITY ============ */
        .btn:focus-visible,
        .nav-item:focus-visible,
        .hamburger:focus-visible,
        .tool-card-link:focus-visible,
        .article-item-link:focus-visible,
        .faq-question:focus-visible,
        .footer-col ul a:focus-visible,
        .footer-bottom-links a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

/* roulang page: category4 */
:root {
            --primary: #1e2d3d;
            --primary-light: #2c3e50;
            --primary-deep: #16222e;
            --accent: #c9a05c;
            --accent-hover: #b08840;
            --accent-soft: rgba(201, 160, 92, 0.12);
            --bg: #f7f5f0;
            --bg-alt: #f0ede6;
            --bg-mist: #eef1ed;
            --text: #1a1a1a;
            --text-light: #f5f2ec;
            --text-muted: #6b6560;
            --border: #e7e0d5;
            --border-strong: #d6cec2;
            --radius-lg: 16px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --shadow-sm: 0 4px 12px rgba(20, 30, 40, 0.04);
            --shadow-md: 0 8px 24px rgba(20, 30, 40, 0.06);
            --shadow-hover: 0 16px 36px rgba(20, 30, 40, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --container-max: 1200px;
            --section-pad: 72px;
            --section-pad-mobile: 56px;
            --header-height: 64px;
            --transition: 220ms cubic-bezier(0.33, 1, 0.68, 1);
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            background: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .section {
            padding-top: var(--section-pad);
            padding-bottom: var(--section-pad);
            position: relative;
        }

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

        .section--mist {
            background: var(--bg-mist);
        }

        .section--deep {
            background: var(--primary);
            color: var(--text-light);
        }

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

        .section--deep .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-header {
            margin-bottom: 44px;
            max-width: 720px;
        }

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

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.16em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-eyebrow::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        .section-header--center .section-eyebrow::after {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }

        .section-header--center .section-eyebrow::before {
            display: none;
        }

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 950;
            background: rgba(247, 245, 240, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-name span {
            color: var(--accent);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition);
            min-width: 68px;
        }

        .nav-item svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: stroke var(--transition);
        }

        .nav-item span {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: color var(--transition);
        }

        .nav-item:hover {
            background: var(--accent-soft);
        }

        .nav-item:hover svg {
            stroke: var(--accent);
        }

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

        .nav-item.active {
            background: var(--accent-soft);
        }

        .nav-item.active svg {
            stroke: var(--accent);
        }

        .nav-item.active span {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .hamburger svg {
            width: 26px;
            height: 26px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .hamburger:hover {
            background: var(--accent-soft);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-height));
            background: rgba(22, 34, 46, 0.6);
            z-index: 940;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: var(--bg);
            z-index: 945;
            border-bottom: 1px solid var(--border);
            padding: 24px 20px 32px;
            box-shadow: var(--shadow-hover);
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .mobile-nav-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px 12px;
        }

        .mobile-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 14px 8px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .mobile-nav-item svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .mobile-nav-item span {
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
        }

        .mobile-nav-item:hover,
        .mobile-nav-item.active {
            border-color: var(--accent);
            background: var(--accent-soft);
        }

        /* ============ CATEGORY PAGE HERO ============ */
        .category-hero {
            padding: 56px 0 36px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .category-hero .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .category-hero-left {
            max-width: 680px;
        }

        .category-hero-left h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            letter-spacing: -0.015em;
            margin-bottom: 12px;
        }

        .category-hero-left p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
            max-width: 560px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            padding: 8px 14px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
        }

        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }

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

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

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* ============ DATA BAR ============ */
        .data-bar {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            overflow: hidden;
        }

        .data-bar-item {
            padding: 28px 20px;
            text-align: center;
            border-right: 1px solid var(--border);
            transition: background var(--transition);
        }

        .data-bar-item:last-child {
            border-right: none;
        }

        .data-bar-item:hover {
            background: var(--accent-soft);
        }

        .data-bar-item .number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
            display: block;
            margin-bottom: 6px;
        }

        .data-bar-item .number span {
            color: var(--accent);
        }

        .data-bar-item .label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ CARD GRID ============ */
        .tool-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tool-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: var(--accent);
        }

        .tool-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-alt);
            position: relative;
        }

        .tool-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }

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

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

        .tool-card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .tool-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .tool-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-small {
            padding: 8px 14px;
            font-size: 13px;
            gap: 6px;
            border-radius: var(--radius-sm);
        }

        .text-link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            padding: 10px 0;
            transition: all var(--transition);
        }

        .text-link-more svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: transform var(--transition);
        }

        .text-link-more:hover {
            color: var(--accent-hover);
            gap: 12px;
        }

        .text-link-more:hover svg {
            transform: translateX(3px);
        }

        .more-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 36px;
        }

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

        .dimension-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .dimension-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent);
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .dimension-card:hover::before {
            opacity: 1;
        }

        .dimension-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .dimension-icon svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .dimension-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .dimension-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* ============ ARTICLE LIST ============ */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .article-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .article-item:first-child {
            padding-top: 0;
        }

        .article-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .article-item:hover {
            padding-left: 8px;
        }

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

        .article-date {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .article-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color var(--transition);
        }

        .article-item:hover .article-title {
            color: var(--accent);
        }

        .article-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-read {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .article-read svg {
            width: 15px;
            height: 15px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: transform var(--transition);
        }

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

        .article-read:hover svg {
            transform: translateX(3px);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            line-height: 1.5;
            transition: all var(--transition);
            background: transparent;
            text-align: left;
            width: 100%;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
            transition: transform var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 20px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ============ DISCLAIMER ============ */
        .disclaimer-box {
            background: #fff;
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
            max-width: 860px;
        }

        .disclaimer-box strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ CTA HOME ============ */
        .cta-home {
            background: var(--primary);
            color: var(--text-light);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-home::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -15%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: var(--accent-soft);
            opacity: 0.5;
            pointer-events: none;
        }

        .cta-home-left {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .cta-home-left h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .cta-home-left p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .cta-home-right {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-brand span {
            color: var(--accent);
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-risk {
            font-size: 12px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.45);
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .tool-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimension-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-bar-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
            }
            .data-bar-item:nth-child(3),
            .data-bar-item:nth-child(4) {
                border-bottom: none;
            }
            .data-bar-item:nth-child(odd) {
                border-right: 1px solid var(--border);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
                --section-pad: 56px;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav-overlay.active,
            .mobile-nav-panel.active {
                display: block;
            }
            .category-hero {
                padding: 36px 0 28px;
            }
            .category-hero-left h1 {
                font-size: 28px;
            }
            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .tool-card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .dimension-card {
                padding: 22px 18px;
            }
            .data-bar {
                grid-template-columns: 1fr 1fr;
                gap: 0;
            }
            .data-bar-item {
                padding: 18px 12px;
            }
            .data-bar-item .number {
                font-size: 26px;
            }
            .article-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 18px 0;
            }
            .article-read {
                align-self: flex-end;
            }
            .cta-home {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad: 44px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .mobile-nav-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .category-hero-left h1 {
                font-size: 24px;
            }
            .category-hero-left p {
                font-size: 14px;
            }
            .breadcrumb {
                font-size: 12px;
                padding: 6px 10px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .tool-card-title {
                font-size: 16px;
            }
            .data-bar {
                grid-template-columns: 1fr;
            }
            .data-bar-item,
            .data-bar-item:nth-child(odd) {
                border-right: none;
                border-bottom: 1px solid var(--border);
            }
            .data-bar-item:last-child {
                border-bottom: none;
            }
            .data-bar-item .number {
                font-size: 24px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .disclaimer-box {
                padding: 18px 16px;
                font-size: 13px;
            }
            .cta-home-left h2 {
                font-size: 18px;
            }
        }