/* roulang page: index */
:root {
            --color-primary: #123B35;
            --color-accent: #D3542F;
            --color-gold: #E6B85C;
            --color-up: #C0392B;
            --color-down: #1E7B4B;
            --color-bg: #F4F1EC;
            --color-card: #FFFFFF;
            --color-text: #1F2A2A;
            --color-text-secondary: #5E6C6A;
            --color-border: #E3DCD2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 14px rgba(18,59,53,0.06);
            --shadow-hover: 0 8px 24px rgba(18,59,53,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            --container-width: 1200px;
            --section-padding: 64px 0;
            --transition: all 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.2s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(18,59,53,0.08);
        }

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

        .logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-menu a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1100;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Quick Toolbar */
        .quick-toolbar {
            background: var(--color-primary);
            padding: 10px 0;
            font-size: 13px;
            color: rgba(255,255,255,0.85);
        }

        .quick-toolbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

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

        .quick-toolbar .quick-links a {
            color: rgba(255,255,255,0.9);
            font-weight: 500;
        }

        .quick-toolbar .quick-links a:hover {
            color: var(--color-gold);
        }

        .quick-toolbar .quick-search {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .quick-toolbar .quick-search input {
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 20px;
            padding: 6px 16px;
            color: #fff;
            font-size: 13px;
            width: 160px;
            outline: none;
            transition: var(--transition);
        }

        .quick-toolbar .quick-search input::placeholder {
            color: rgba(255,255,255,0.6);
        }

        .quick-toolbar .quick-search input:focus {
            background: rgba(255,255,255,0.25);
            border-color: var(--color-gold);
            width: 200px;
        }

        .quick-toolbar .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quick-toolbar .hot-tags span {
            background: rgba(255,255,255,0.2);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            color: #fff;
            cursor: pointer;
        }

        .quick-toolbar .hot-tags span:hover {
            background: var(--color-gold);
            color: var(--color-primary);
        }

        /* Hero Section */
        .hero {
            background:
                linear-gradient(0deg, rgba(244,241,236,0.92), rgba(244,241,236,0.92)),
                repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(18,59,53,0.04) 31px, rgba(18,59,53,0.04) 32px),
                repeating-linear-gradient(90deg, transparent, transparent 31px, rgba(18,59,53,0.04) 31px, rgba(18,59,53,0.04) 32px);
            padding: 72px 0;
            position: relative;
        }

        .hero .container {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .hero-content {
            flex: 1;
            max-width: 580px;
        }

        .hero-content h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .hero-content h1 .highlight {
            color: var(--color-primary);
        }

        .hero-content .subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .hero-visual {
            flex: 1;
            max-width: 420px;
            display: flex;
            justify-content: center;
        }

        .market-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-hover);
            padding: 24px;
            width: 100%;
            max-width: 360px;
        }

        .market-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .market-card .card-title .live-dot {
            width: 8px;
            height: 8px;
            background: var(--color-up);
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .market-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(227,220,210,0.5);
        }

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

        .market-item .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            min-width: 80px;
        }

        .market-item .value {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
        }

        .market-item .change {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            min-width: 68px;
            text-align: center;
        }

        .market-item .change.up {
            color: var(--color-up);
            background: rgba(192,57,43,0.08);
        }

        .market-item .change.down {
            color: var(--color-down);
            background: rgba(30,123,75,0.08);
        }

        /* Common Section Styles */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: #EFEAE2;
        }

        .section-white {
            background: #FFFFFF;
        }

        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .section-header .section-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-header.left {
            text-align: left;
        }

        .section-header.left .section-desc {
            margin: 0;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 8px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

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

        .btn-primary:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(211,84,47,0.25);
        }

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

        .btn-outline:hover {
            background: rgba(18,59,53,0.08);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

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

        .btn:active {
            transform: translateY(1px);
        }

        .btn-sm {
            font-size: 13px;
            padding: 8px 16px;
        }

        .btn-lg {
            font-size: 16px;
            padding: 14px 28px;
        }

        /* Ticker Bar */
        .ticker-bar {
            background: var(--color-primary);
            padding: 14px 0;
            overflow: hidden;
            border-top: 1px solid rgba(255,255,255,0.1);
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .ticker-track {
            display: flex;
            gap: 40px;
            white-space: nowrap;
            animation: ticker-scroll 28s linear infinite;
        }

        @keyframes ticker-scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-mono);
            font-size: 14px;
            color: rgba(255,255,255,0.9);
        }

        .ticker-item .label {
            font-weight: 600;
            color: var(--color-gold);
        }

        .ticker-item .tick-up {
            color: #FF8A7A;
        }

        .ticker-item .tick-down {
            color: #7FDDAD;
        }

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

        .category-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 22px 18px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .category-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
            color: var(--color-text);
        }

        .category-card .cat-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(18,59,53,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .category-card .cat-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
        }

        .category-card .cat-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* Ranking List */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 16px 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .ranking-item:hover {
            transform: translateX(4px);
            border-color: var(--color-primary);
        }

        .ranking-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-gold);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

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

        .ranking-info .site-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .ranking-info .site-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

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

        .ranking-meta .badge {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(18,59,53,0.08);
            color: var(--color-primary);
            font-weight: 600;
        }

        .ranking-meta .date {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        /* CMS News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 16px 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
        }

        .news-card:hover {
            transform: translateX(4px);
            border-color: var(--color-primary);
            color: var(--color-text);
        }

        .news-card .news-thumb {
            width: 72px;
            height: 48px;
            border-radius: 6px;
            background: #EEE8DF;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-card .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-card .news-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-card .news-excerpt {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .news-card .news-category {
            font-size: 12px;
            padding: 2px 8px;
            border-radius: 999px;
            background: rgba(211,84,47,0.08);
            color: var(--color-accent);
            font-weight: 600;
        }

        .news-card .news-date {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
        }

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

        .scenario-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
        }

        .scenario-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            color: var(--color-text);
        }

        .scenario-card .scenario-img {
            width: 100%;
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scenario-card .scenario-img .overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(18,59,53,0.85);
            color: #fff;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

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

        .scenario-card .scenario-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card .scenario-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Filter Section */
        .filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            justify-content: center;
        }

        .filter-tag {
            padding: 6px 16px;
            border-radius: 999px;
            border: 1px solid var(--color-border);
            background: var(--color-card);
            color: var(--color-text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .filter-tag:hover,
        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

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

        .filter-card {
            background: var(--color-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            padding: 16px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .filter-card:hover {
            border-color: var(--color-primary);
        }

        .filter-card .fc-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .filter-card .fc-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

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

        .step-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow);
        }

        .step-item .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-gold);
            color: var(--color-primary);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 18px;
        }

        .step-item .step-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .step-item .step-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* Tool Cards */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .tool-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .tool-card .tool-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(230,184,92,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .tool-card .tool-name {
            font-size: 15px;
            font-weight: 700;
        }

        .tool-card .tool-desc {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* Rules List */
        .rules-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 720px;
        }

        .rule-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--color-card);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            border: 1px solid var(--color-border);
        }

        .rule-item .rule-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(18,59,53,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .rule-item .rule-text {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(18,59,53,0.03);
        }

        .faq-question .plus {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: transform 0.3s ease;
        }

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

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

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

        .faq-answer-inner {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 85%;
        }

        /* Editor Picks */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .editor-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
        }

        .editor-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            color: var(--color-text);
        }

        .editor-card .editor-img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            background: #EEE8DF;
        }

        .editor-card .editor-body {
            padding: 14px 16px;
        }

        .editor-card .editor-title {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .editor-card .editor-desc {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Form */
        .submit-form {
            max-width: 560px;
            margin: 0 auto;
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 28px;
            box-shadow: var(--shadow);
        }

        .submit-form .form-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            font-size: 14px;
            color: var(--color-text);
            background: var(--color-bg);
            outline: none;
            transition: var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(18,59,53,0.06);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        /* Trust Bar */
        .trust-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .trust-item .trust-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
        }

        .trust-item .trust-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        /* Footer Quick Nav */
        .footer-quick-nav {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            padding: 24px 0;
            text-align: center;
        }

        .footer-quick-nav .quick-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 14px;
        }

        .footer-quick-nav .quick-links a {
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .footer-quick-nav .quick-links a:hover {
            color: var(--color-primary);
        }

        /* Footer */
        .site-footer {
            background: #0E2B26;
            color: rgba(255,255,255,0.75);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
            gap: 32px;
        }

        .footer-col .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-col .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 32px;
            padding-top: 18px;
            text-align: center;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

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

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

            .hero .container {
                flex-direction: column;
                gap: 32px;
            }

            .hero-content {
                max-width: 100%;
                text-align: center;
            }

            .hero-content .subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-visual {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 80px 24px 40px;
                gap: 16px;
                box-shadow: -4px 0 20px rgba(0,0,0,0.1);
                transition: right 0.3s ease;
                z-index: 1050;
                align-items: flex-start;
            }

            .nav-menu.open {
                right: 0;
            }

            .nav-menu a {
                font-size: 16px;
                padding: 8px 0;
                border-bottom: none;
                width: 100%;
            }

            .section {
                padding: 40px 0;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .hero {
                padding: 48px 0;
            }

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

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

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

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

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

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

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

            .trust-bar {
                grid-template-columns: 1fr;
            }

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

            .ranking-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .news-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .quick-toolbar .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .ticker-track {
                animation-duration: 18s;
            }

            .faq-answer-inner {
                max-width: 100%;
            }
        }

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

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .hero-buttons .btn {
                width: 100%;
            }

            .market-card {
                padding: 16px;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .container {
                padding: 0 14px;
            }

            .logo {
                font-size: 16px;
            }

            .logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 12px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #123B35;
            --color-accent: #D3542F;
            --color-gold: #E6B85C;
            --color-up: #C0392B;
            --color-down: #1E7B4B;
            --color-bg: #F4F1EC;
            --color-card: #FFFFFF;
            --color-text: #1F2A2A;
            --color-text-secondary: #5E6C6A;
            --color-border: #E3DCD2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 14px rgba(18,59,53,0.06);
            --shadow-hover: 0 8px 24px rgba(18,59,53,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            --container-width: 1200px;
            --section-padding: 64px 0;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.2s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(18,59,53,0.08);
        }
        .quick-toolbar {
            background: var(--color-primary);
            padding: 6px 0;
            font-size: 13px;
        }
        .quick-toolbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .quick-toolbar .quick-links {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .quick-toolbar .quick-links a {
            color: rgba(255,255,255,0.88);
            font-weight: 500;
            font-size: 13px;
            white-space: nowrap;
        }
        .quick-toolbar .quick-links a:hover {
            color: var(--color-gold);
        }
        .quick-toolbar .quick-search {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .quick-toolbar .quick-search input {
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 20px;
            padding: 5px 16px;
            color: #fff;
            font-size: 13px;
            width: 170px;
            outline: none;
            transition: var(--transition);
        }
        .quick-toolbar .quick-search input::placeholder {
            color: rgba(255,255,255,0.6);
        }
        .quick-toolbar .quick-search input:focus {
            background: rgba(255,255,255,0.25);
            border-color: var(--color-gold);
            width: 210px;
        }
        .quick-toolbar .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .quick-toolbar .hot-tags span {
            background: rgba(255,255,255,0.2);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            color: #fff;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition);
        }
        .quick-toolbar .hot-tags span:hover {
            background: rgba(230,184,92,0.35);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            display: inline-block;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1100;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Article Page Specific */
        .article-main {
            padding: 48px 0 64px;
            background: var(--color-bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }
        .article-body-wrap {
            background: var(--color-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }
        .article-breadcrumb {
            padding: 18px 28px;
            background: #FBF9F6;
            border-bottom: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .article-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .article-breadcrumb .separator {
            color: #B8AFA2;
        }
        .article-header-section {
            padding: 32px 32px 20px;
        }
        .article-h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }
        .article-meta-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding: 0 32px 20px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-meta-item {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item .meta-label {
            font-weight: 600;
            color: var(--color-text);
        }
        .article-category-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(18,59,53,0.1);
            color: var(--color-primary);
            white-space: nowrap;
        }
        .article-content-area {
            padding: 28px 32px 32px;
            max-width: 820px;
            margin: 0 auto;
        }
        .article-content-area .article-cover-image {
            width: 100%;
            aspect-ratio: 16/9;
            background: #EEE8DF;
            border: 1px dashed #D8CEC0;
            border-radius: var(--radius);
            overflow: hidden;
            margin: 0 0 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .article-content-area .article-cover-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius);
        }
        .article-content-area .image-placeholder {
            width: 100%;
            aspect-ratio: 16/9;
            background: #EEE8DF;
            border: 1px dashed #D8CEC0;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #A99F8E;
            font-size: 14px;
            letter-spacing: 2px;
            margin: 20px 0;
        }
        .article-content-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
        }
        .article-content-body h2 {
            font-size: 22px;
            font-weight: 700;
            margin: 32px 0 16px;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .article-content-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 24px 0 12px;
            color: var(--color-text);
            line-height: 1.4;
        }
        .article-content-body p {
            margin: 0 0 16px;
        }
        .article-content-body ul,
        .article-content-body ol {
            margin: 0 0 16px;
            padding-left: 24px;
        }
        .article-content-body li {
            margin-bottom: 8px;
        }
        .article-content-body blockquote {
            border-left: 4px solid var(--color-gold);
            padding: 16px 20px;
            margin: 20px 0;
            background: #FBF9F6;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }
        .article-content-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }
        .article-content-body table th,
        .article-content-body table td {
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            text-align: left;
        }
        .article-content-body table th {
            background: #F4F1EC;
            font-weight: 700;
            color: var(--color-primary);
        }
        .article-not-found {
            text-align: center;
            padding: 64px 32px;
        }
        .article-not-found .not-found-icon {
            font-size: 48px;
            margin-bottom: 16px;
            color: var(--color-text-secondary);
        }
        .article-not-found h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .article-not-found p {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }
        .article-not-found .btn-primary {
            display: inline-block;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }
        .article-not-found .btn-primary:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }
        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 90px;
        }
        .sidebar-card {
            background: var(--color-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border);
            padding: 22px;
        }
        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid #F4F1EC;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-list .list-dot {
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-top: 8px;
        }
        .sidebar-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-list a:hover {
            color: var(--color-accent);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags span {
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(18,59,53,0.08);
            color: var(--color-primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .sidebar-tags span:hover {
            background: rgba(211,84,47,0.15);
            color: var(--color-accent);
        }
        .sidebar-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        /* Related Articles */
        .related-section {
            padding: 40px 0 0;
        }
        .related-section .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 20px;
            padding-left: 14px;
            border-left: 4px solid var(--color-accent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .related-card .related-thumb {
            aspect-ratio: 16/9;
            background: #EEE8DF;
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }
        .related-card .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-card .related-thumb .thumb-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #A99F8E;
            font-size: 12px;
            letter-spacing: 1px;
            background: #EEE8DF;
            border: 1px dashed #D8CEC0;
        }
        .related-card .related-body {
            padding: 16px 18px;
        }
        .related-card .related-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            background: rgba(18,59,53,0.08);
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .related-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .related-card h4 a {
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card h4 a:hover {
            color: var(--color-accent);
        }
        .related-card .related-excerpt {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* Prev Next */
        .prev-next-section {
            padding: 32px 0 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .prev-next-card {
            background: var(--color-card);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            padding: 16px 20px;
            transition: var(--transition);
        }
        .prev-next-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow);
        }
        .prev-next-card .pn-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }
        .prev-next-card a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .prev-next-card a:hover {
            color: var(--color-accent);
        }
        .prev-next-card.next-card {
            text-align: right;
        }
        /* Return Link */
        .return-section {
            padding: 20px 0 0;
        }
        .return-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 10px 18px;
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .return-link:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        /* Buttons */
        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--color-primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(18,59,53,0.08);
            color: var(--color-primary);
            transform: translateY(-2px);
        }
        .btn-secondary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.85);
            padding: 48px 0 0;
            margin-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.15);
        }
        .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.7);
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            color: rgba(255,255,255,0.7);
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-gold);
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }
        /* Section Style */
        .section-alt {
            background: #FBF9F6;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 28px 32px;
                gap: 6px;
                box-shadow: -4px 0 24px rgba(18,59,53,0.15);
                transition: right 0.3s ease;
                z-index: 1050;
            }
            .nav-menu.open {
                right: 0;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu a {
                display: block;
                font-size: 16px;
                padding: 10px 0;
                border-bottom: 1px solid var(--color-border);
                width: 100%;
            }
            .nav-menu a.active {
                border-bottom-color: var(--color-primary);
            }
            .logo {
                font-size: 16px;
                gap: 6px;
            }
            .logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .quick-toolbar .quick-links {
                gap: 12px;
            }
            .quick-toolbar .quick-search input {
                width: 120px;
            }
            .quick-toolbar .quick-search input:focus {
                width: 140px;
            }
            .hot-tags span:nth-child(n+2) {
                display: none;
            }
            .article-h1 {
                font-size: 26px;
            }
            .article-header-section {
                padding: 24px 20px 12px;
            }
            .article-meta-bar {
                padding: 0 20px 16px;
                gap: 10px;
            }
            .article-content-area {
                padding: 20px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .prev-next-section {
                grid-template-columns: 1fr;
            }
            .prev-next-card.next-card {
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .article-breadcrumb {
                padding: 14px 20px;
                font-size: 12px;
            }
        }
        @media (max-width: 480px) {
            .article-h1 {
                font-size: 22px;
            }
            .article-meta-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .quick-toolbar .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .quick-toolbar .quick-links {
                width: 100%;
                justify-content: space-between;
            }
            .quick-toolbar .quick-search {
                width: 100%;
                justify-content: space-between;
            }
            .quick-toolbar .quick-search input {
                flex: 1;
                width: auto;
            }
            .quick-toolbar .hot-tags {
                display: none;
            }
            .article-content-area {
                padding: 16px;
            }
            .article-content-body h2 {
                font-size: 19px;
            }
            .article-content-body h3 {
                font-size: 17px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #123B35;
            --color-accent: #D3542F;
            --color-gold: #E6B85C;
            --color-up: #C0392B;
            --color-down: #1E7B4B;
            --color-bg: #F4F1EC;
            --color-card: #FFFFFF;
            --color-text: #1F2A2A;
            --color-text-secondary: #5E6C6A;
            --color-border: #E3DCD2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 14px rgba(18,59,53,0.06);
            --shadow-hover: 0 8px 24px rgba(18,59,53,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            --container-width: 1200px;
            --section-padding: 64px 0;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        * {
            box-sizing: border-box;
        }
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.2s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(18,59,53,0.08);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo {
            font-size: 19px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            display: inline-block;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1100;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Quick Toolbar */
        .quick-toolbar {
            background: var(--color-primary);
            color: #fff;
            padding: 7px 0;
            font-size: 13px;
        }
        .quick-toolbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .quick-toolbar .quick-links {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .quick-toolbar .quick-links a {
            color: rgba(255,255,255,0.9);
            font-weight: 500;
            font-size: 13px;
        }
        .quick-toolbar .quick-links a:hover {
            color: var(--color-gold);
        }
        .quick-toolbar .quick-search {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .quick-toolbar .quick-search input {
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 20px;
            padding: 5px 16px;
            color: #fff;
            font-size: 13px;
            width: 170px;
            outline: none;
            transition: var(--transition);
        }
        .quick-toolbar .quick-search input::placeholder {
            color: rgba(255,255,255,0.6);
        }
        .quick-toolbar .quick-search input:focus {
            background: rgba(255,255,255,0.25);
            border-color: var(--color-gold);
            width: 210px;
        }
        .quick-toolbar .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .quick-toolbar .hot-tags span {
            background: rgba(255,255,255,0.2);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            color: #fff;
            cursor: pointer;
            transition: var(--transition);
        }
        .quick-toolbar .hot-tags span:hover {
            background: rgba(230,184,92,0.35);
            color: var(--color-gold);
        }

        /* Section */
        section {
            padding: var(--section-padding);
        }
        .section-alt {
            background: #fff;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .section-sub {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 28px;
            line-height: 1.7;
        }

        /* Category Banner */
        .category-banner {
            position: relative;
            padding: 52px 0 44px;
            background: linear-gradient(135deg, #123B35 0%, #1a4a42 55%, #0f2e29 100%);
            overflow: hidden;
            color: #fff;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/15d019232aa1c047.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18,59,53,0.25) 0%, rgba(18,59,53,0.55) 100%);
            pointer-events: none;
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-cat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 14px;
        }
        .breadcrumb-cat a {
            color: rgba(255,255,255,0.8);
        }
        .breadcrumb-cat a:hover {
            color: var(--color-gold);
        }
        .breadcrumb-cat span.sep {
            color: rgba(255,255,255,0.4);
        }
        .breadcrumb-cat span.current {
            color: var(--color-gold);
            font-weight: 600;
        }
        .category-banner h1 {
            font-size: 32px;
            font-weight: 800;
            margin: 0 0 12px;
            line-height: 1.3;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .category-banner .banner-desc {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            max-width: 720px;
            margin: 0;
            line-height: 1.7;
        }

        /* Card */
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .card-body {
            padding: 18px 18px 16px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .card-text {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 12px;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 12px;
            color: #8a9694;
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            transition: var(--transition);
        }
        .badge-primary {
            background: rgba(18,59,53,0.12);
            color: var(--color-primary);
        }
        .badge-accent {
            background: rgba(211,84,47,0.12);
            color: var(--color-accent);
        }
        .badge-gold {
            background: rgba(230,184,92,0.2);
            color: #9a7a2e;
        }
        .badge-green {
            background: rgba(30,123,75,0.12);
            color: var(--color-down);
        }

        /* Button */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
            line-height: 1.5;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            user-select: none;
        }
        .btn:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: rgba(18,59,53,0.08);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-lg {
            padding: 12px 28px;
            font-size: 15px;
            border-radius: 10px;
        }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 22px;
        }
        .filter-tags .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-right: 4px;
        }
        .filter-tags .tag-item {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-tags .tag-item:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .filter-tags .tag-item.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        /* Site Cards Grid */
        .site-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .site-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(18,59,53,0.08);
            border-radius: 10px;
            font-size: 20px;
            flex-shrink: 0;
            margin-bottom: 10px;
        }
        .site-tag {
            display: inline-flex;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            background: rgba(230,184,92,0.18);
            color: #9a7a2e;
            white-space: nowrap;
        }
        .site-date {
            font-size: 12px;
            color: #8a9694;
            white-space: nowrap;
        }

        /* Featured Article */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .featured-img {
            min-height: 280px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-content {
            padding: 28px 28px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .featured-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 16px;
            line-height: 1.7;
        }

        /* Steps */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            counter-reset: step;
        }
        .step-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 20px 18px;
            position: relative;
            transition: var(--transition);
            counter-increment: step;
        }
        .step-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }
        .step-item::before {
            content: counter(step, decimal-leading-zero);
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-gold);
            display: block;
            margin-bottom: 8px;
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Data Points */
        .data-points {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-item {
            text-align: center;
            padding: 22px 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .data-item:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-hover);
        }
        .data-item .data-num {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
            margin-bottom: 4px;
        }
        .data-item .data-label {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        /* Related Articles */
        .related-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .related-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            padding: 16px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .related-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .related-thumb {
            width: 80px;
            height: 60px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
            background: #EEE8DF;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-info h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .related-info p {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* View More */
        .view-more-wrap {
            text-align: center;
            margin-top: 24px;
        }

        /* Footer */
        .site-footer {
            background: #0F2E29;
            color: rgba(255,255,255,0.75);
            padding: 48px 0 0;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .site-footer .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .site-footer .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            margin: 0;
            color: rgba(255,255,255,0.65);
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 13px;
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--color-gold);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding: 18px 0;
            font-size: 12px;
            text-align: center;
            color: rgba(255,255,255,0.55);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-points {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-list {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 24px;
                z-index: 1050;
                padding: 60px 20px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                font-size: 18px;
                font-weight: 600;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner {
                padding: 40px 0 32px;
            }
            .site-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .data-points {
                grid-template-columns: 1fr 1fr;
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-img {
                min-height: 200px;
            }
            .quick-toolbar .quick-search {
                flex-wrap: wrap;
            }
            .quick-toolbar .quick-search input {
                width: 140px;
            }
            .quick-toolbar .quick-search input:focus {
                width: 170px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-padding: 40px 0;
            }
            .container {
                padding: 0 14px;
            }
            .logo {
                font-size: 16px;
            }
            .logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .nav-container {
                height: 60px;
            }
            .category-banner h1 {
                font-size: 22px;
            }
            .category-banner .banner-desc {
                font-size: 13px;
            }
            .section-title {
                font-size: 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .data-points {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-item .data-num {
                font-size: 24px;
            }
            .related-item {
                flex-direction: column;
            }
            .related-thumb {
                width: 100%;
                height: 120px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #123B35;
            --color-accent: #D3542F;
            --color-gold: #E6B85C;
            --color-up: #C0392B;
            --color-down: #1E7B4B;
            --color-bg: #F4F1EC;
            --color-card: #FFFFFF;
            --color-text: #1F2A2A;
            --color-text-secondary: #5E6C6A;
            --color-border: #E3DCD2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 14px rgba(18,59,53,0.06);
            --shadow-hover: 0 8px 24px rgba(18,59,53,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            --container-width: 1200px;
            --section-padding: 64px 0;
            --transition: all 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.2s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(18, 59, 53, 0.08);
        }

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

        .logo {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-menu a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1100;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .quick-toolbar {
            background: var(--color-primary);
            padding: 6px 0;
            color: #fff;
            font-size: 13px;
        }

        .quick-toolbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .quick-toolbar .quick-links {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .quick-toolbar .quick-links a {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            transition: var(--transition);
        }

        .quick-toolbar .quick-links a:hover {
            color: var(--color-gold);
        }

        .quick-toolbar .quick-search {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .quick-toolbar .quick-search input {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 20px;
            padding: 6px 16px;
            color: #fff;
            font-size: 13px;
            width: 160px;
            outline: none;
            transition: var(--transition);
        }

        .quick-toolbar .quick-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .quick-toolbar .quick-search input:focus {
            background: rgba(255, 255, 255, 0.25);
            border-color: var(--color-gold);
            width: 200px;
        }

        .quick-toolbar .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quick-toolbar .hot-tags span {
            background: rgba(255, 255, 255, 0.2);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            color: #fff;
            cursor: pointer;
            transition: var(--transition);
        }

        .quick-toolbar .hot-tags span:hover {
            background: rgba(255, 255, 255, 0.35);
        }

        /* Category Hero */
        .category-hero {
            background: var(--color-primary);
            padding: 48px 0 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .category-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .category-hero .breadcrumb a:hover {
            color: var(--color-gold);
        }

        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            margin-top: 12px;
            font-size: 15px;
            max-width: 720px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        /* Section */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: #fff;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 720px;
        }

        /* Cards */
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 20px;
        }

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

        .card-text {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff;
            border: 2px solid var(--color-primary);
            border-radius: 8px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

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

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

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: 8px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-outline:hover {
            background: rgba(18, 59, 53, 0.08);
            color: var(--color-primary);
        }

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

        .btn-outline:active {
            transform: translateY(1px);
        }

        /* Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(211, 84, 47, 0.12);
            color: var(--color-accent);
            white-space: nowrap;
        }

        .badge-green {
            background: rgba(30, 123, 75, 0.12);
            color: var(--color-down);
        }

        .badge-gold {
            background: rgba(230, 184, 92, 0.18);
            color: #8B6914;
        }

        /* Image placeholder */
        .img-placeholder {
            background: #EEE8DF;
            border: 1px dashed #D8CEC0;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #A0988C;
            font-size: 13px;
            min-height: 160px;
        }

        /* Steps */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

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

        .step-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            font-family: var(--font-mono);
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* List cards */
        .list-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 18px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            transition: var(--transition);
            margin-bottom: 12px;
            text-decoration: none;
            color: var(--color-text);
        }

        .list-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
            color: var(--color-text);
        }

        .list-card .list-icon {
            width: 40px;
            height: 40px;
            background: rgba(18, 59, 53, 0.08);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

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

        .list-card .list-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .list-card .list-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .list-card .list-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 6px;
            font-size: 12px;
            color: #8A9492;
        }

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

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

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

        /* Data points */
        .data-bar {
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            padding: 24px 28px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

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

        .data-item .data-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-mono);
        }

        .data-item .data-label {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        /* Tip list */
        .tip-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .tip-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .tip-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .tip-dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-top: 6px;
            flex-shrink: 0;
        }

        .tip-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .tip-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Featured card */
        .featured-card {
            display: flex;
            gap: 24px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }

        .featured-img {
            width: 320px;
            flex-shrink: 0;
            min-height: 220px;
        }

        .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }

        .featured-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .featured-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        /* Related links */
        .related-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .related-link-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
        }

        .related-link-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow);
            color: var(--color-text);
        }

        .related-link-item .link-arrow {
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 700;
        }

        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.7);
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

            .featured-img {
                width: 240px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 20px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(18, 59, 53, 0.08);
                display: none;
                z-index: 999;
            }

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

            .nav-menu li {
                width: 100%;
            }

            .nav-menu a {
                display: block;
                padding: 12px 0;
                border-bottom: none;
                font-size: 15px;
                width: 100%;
            }

            .nav-menu a.active {
                color: var(--color-primary);
                background: rgba(18, 59, 53, 0.06);
                padding-left: 12px;
                border-radius: 6px;
            }

            .nav-menu a:hover {
                background: rgba(18, 59, 53, 0.04);
                padding-left: 12px;
                border-radius: 6px;
            }

            .quick-toolbar .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .quick-toolbar .quick-search {
                width: 100%;
                justify-content: space-between;
            }

            .quick-toolbar .quick-search input {
                flex: 1;
                width: auto;
                max-width: 200px;
            }

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

            .section {
                padding: 40px 0;
            }

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

            .grid-3,
            .grid-4,
            .grid-2 {
                grid-template-columns: 1fr;
            }

            .step-flow {
                grid-template-columns: 1fr;
            }

            .featured-card {
                flex-direction: column;
            }

            .featured-img {
                width: 100%;
                min-height: 180px;
            }

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

            .data-bar {
                gap: 20px;
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 15px;
                letter-spacing: 0;
            }

            .logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }

            .nav-container {
                height: 60px;
            }

            .nav-menu {
                top: 60px;
            }

            .category-hero {
                padding: 32px 0 28px;
            }

            .category-hero h1 {
                font-size: 20px;
            }

            .hero-desc {
                font-size: 13px;
            }

            .quick-toolbar .hot-tags span {
                font-size: 11px;
                padding: 2px 8px;
            }

            .list-card {
                padding: 12px 14px;
                gap: 12px;
            }

            .list-card .list-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .featured-body {
                padding: 20px;
            }

            .featured-body h3 {
                font-size: 17px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #123B35;
            --color-accent: #D3542F;
            --color-gold: #E6B85C;
            --color-up: #C0392B;
            --color-down: #1E7B4B;
            --color-bg: #F4F1EC;
            --color-card: #FFFFFF;
            --color-text: #1F2A2A;
            --color-text-secondary: #5E6C6A;
            --color-border: #E3DCD2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 14px rgba(18,59,53,0.06);
            --shadow-hover: 0 8px 24px rgba(18,59,53,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
            --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            --container-width: 1200px;
            --section-padding: 64px 0;
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.2s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(18,59,53,0.08);
        }

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

        .logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1100;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .quick-toolbar {
            background: var(--color-primary);
            padding: 6px 0;
            font-size: 13px;
            color: #fff;
        }

        .quick-toolbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .quick-links {
            display: flex;
            gap: 16px;
        }

        .quick-toolbar .quick-links a {
            color: rgba(255,255,255,0.9);
            font-weight: 500;
        }

        .quick-toolbar .quick-links a:hover {
            color: var(--color-gold);
        }

        .quick-toolbar .quick-search {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .quick-toolbar .quick-search input {
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 20px;
            padding: 6px 16px;
            color: #fff;
            font-size: 13px;
            width: 160px;
            outline: none;
            transition: var(--transition);
        }

        .quick-toolbar .quick-search input::placeholder {
            color: rgba(255,255,255,0.6);
        }

        .quick-toolbar .quick-search input:focus {
            background: rgba(255,255,255,0.25);
            border-color: var(--color-gold);
            width: 200px;
        }

        .quick-toolbar .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quick-toolbar .hot-tags span {
            background: rgba(255,255,255,0.2);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            color: #fff;
            cursor: pointer;
        }

        .quick-toolbar .hot-tags span:hover {
            background: rgba(255,255,255,0.35);
        }

        /* Section Common */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
        }

        .section-heading .section-sub {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

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

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

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

        .btn-outline:hover {
            background: rgba(18,59,53,0.08);
            color: var(--color-primary);
        }

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

        .btn:active {
            transform: translateY(1px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
        }

        .badge-accent {
            background: rgba(211,84,47,0.12);
            color: var(--color-accent);
        }

        .badge-gold {
            background: rgba(230,184,92,0.16);
            color: #A67B1E;
        }

        .badge-primary {
            background: rgba(18,59,53,0.1);
            color: var(--color-primary);
        }

        /* Category Banner */
        .category-banner {
            background: var(--color-primary);
            background-image: linear-gradient(rgba(18,59,53,0.92), rgba(18,59,53,0.92)), url('/assets/images/15d019232aa1c047.webp');
            background-size: cover;
            background-position: center;
            padding: 52px 0 44px;
            position: relative;
            border-bottom: 4px solid var(--color-accent);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: rgba(255,255,255,0.9);
        }

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

        .breadcrumb .sep {
            color: rgba(255,255,255,0.4);
        }

        .category-banner h1 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .category-banner .category-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            max-width: 720px;
            margin: 0;
        }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .filter-tag {
            padding: 6px 18px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--color-border);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        /* Directory Card Grid */
        .directory-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .directory-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-height: 180px;
        }

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

        .dir-card-head {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .dir-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(18,59,53,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .dir-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.3;
        }

        .dir-card-tag {
            font-size: 12px;
            color: var(--color-accent);
            font-weight: 600;
        }

        .dir-card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }

        .dir-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #8A9694;
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

        .dir-card-meta a {
            color: var(--color-primary);
            font-weight: 600;
        }

        .dir-card-meta a:hover {
            color: var(--color-accent);
        }

        /* Featured Card */
        .featured-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            transition: var(--transition);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .featured-content {
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }

        .featured-tag {
            font-size: 12px;
            color: var(--color-accent);
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .featured-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.35;
        }

        .featured-content p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .featured-content .btn {
            align-self: flex-start;
        }

        .featured-image {
            min-height: 240px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

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

        /* Data Points */
        .data-points {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-point {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .data-point .number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-mono);
            line-height: 1.2;
        }

        .data-point .label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        /* Step Guide */
        .step-guide {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 22px 18px;
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-hover);
        }

        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-gold);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* CMS List */
        .latest-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .latest-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .latest-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }

        .latest-item .post-tag {
            font-size: 12px;
            color: var(--color-accent);
            font-weight: 600;
        }

        .latest-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0;
            line-height: 1.4;
        }

        .latest-item h3 a {
            color: var(--color-text);
        }

        .latest-item h3 a:hover {
            color: var(--color-primary);
        }

        .latest-item .post-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }

        .latest-item .post-meta {
            font-size: 12px;
            color: #8A9694;
            display: flex;
            justify-content: space-between;
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

        .empty-state {
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius);
            padding: 40px 20px;
            text-align: center;
            color: var(--color-text-secondary);
            font-size: 15px;
        }

        /* Related Posts */
        .related-posts {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }

        .related-card .related-img {
            height: 150px;
            background-size: cover;
            background-position: center;
        }

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

        .related-card .related-body h3 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .related-card .related-body h3 a {
            color: var(--color-text);
        }

        .related-card .related-body h3 a:hover {
            color: var(--color-primary);
        }

        .related-card .related-body p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* View More */
        .view-more-wrap {
            text-align: center;
            margin-top: 28px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.85);
            padding: 48px 0 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
        }

        .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.7);
        }

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

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.75);
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding: 16px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .directory-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(18,59,53,0.1);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 999;
            }

            .nav-menu.show {
                transform: translateY(0);
            }

            .directory-grid,
            .related-posts,
            .latest-list,
            .data-points,
            .step-guide {
                grid-template-columns: 1fr;
            }

            .featured-card {
                grid-template-columns: 1fr;
            }

            .featured-image {
                min-height: 200px;
            }

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

            .quick-toolbar .quick-search {
                width: 100%;
            }

            .quick-toolbar .quick-search input {
                flex: 1;
                width: auto;
            }

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

            .section {
                padding: 40px 0;
            }
        }

        @media (max-width: 480px) {
            .category-banner h1 {
                font-size: 22px;
            }

            .category-banner .category-desc {
                font-size: 14px;
            }

            .filter-tags {
                gap: 6px;
            }

            .filter-tag {
                padding: 4px 12px;
                font-size: 12px;
            }

            .directory-card {
                padding: 16px;
                min-height: 0;
            }

            .dir-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .dir-card-title {
                font-size: 15px;
            }

            .data-point .number {
                font-size: 26px;
            }

            .footer-bottom {
                font-size: 11px;
            }
        }