/* roulang page: index */
:root {
            --color-charcoal: #14110E;
            --color-copper: #B47C4B;
            --color-slate: #4A5568;
            --color-warm-white: #F5F1EA;
            --color-card-bg: #FEFCF7;
            --color-white: #FFFFFF;
            --color-sand: #E4DBCC;
            --color-sand-light: #EFE6D8;
            --color-muted: #8A8275;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 24px rgba(20, 17, 14, 0.06);
            --shadow-card-hover: 0 14px 30px rgba(20, 17, 14, 0.10);
            --shadow-hero: 0 10px 40px rgba(20, 17, 14, 0.18);
            --font-title: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
            --transition-base: 0.2s ease;
            --transition-slow: 0.35s ease;
            --header-height: 72px;
            --section-gap: 72px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-charcoal);
            background-color: var(--color-warm-white);
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-base); }
        a:focus-visible { outline: 2px solid var(--color-copper); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: var(--font-body); }
        button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--color-copper); outline-offset: 2px; }

        .container-custom { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-charcoal);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(245, 241, 234, 0.08);
            box-shadow: 0 4px 20px rgba(20, 17, 14, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .logo-link { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-copper), #8A5F3A);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-warm-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-text span { color: var(--color-copper); }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            color: rgba(245, 241, 234, 0.7);
            border: 1px solid rgba(245, 241, 234, 0.2);
            background: transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-chip:hover {
            color: var(--color-warm-white);
            border-color: var(--color-copper);
            background: rgba(180, 124, 75, 0.12);
        }
        .nav-chip.active {
            color: #fff;
            background: var(--color-copper);
            border-color: var(--color-copper);
            font-weight: 600;
        }
        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-copper);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .header-cta:hover {
            background: #8A5F3A;
            color: #fff;
        }
        .header-cta:active { transform: scale(0.98); }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(245, 241, 234, 0.3);
            color: var(--color-warm-white);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover { border-color: var(--color-copper); color: var(--color-copper); }

        @media (max-width: 768px) {
            .header-inner { flex-wrap: wrap; padding: 10px 0; }
            .nav-toggle { display: flex; }
            .nav-chips {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-charcoal);
                padding: 16px 20px;
                border-bottom: 1px solid rgba(245, 241, 234, 0.08);
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                z-index: 99;
                box-shadow: 0 12px 30px rgba(20, 17, 14, 0.25);
            }
            .nav-chips.open { display: flex; }
            .nav-chip { justify-content: center; }
            .header-cta { padding: 8px 14px; font-size: 13px; }
            .logo-text { font-size: 16px; }
            .logo-icon { width: 32px; height: 32px; font-size: 15px; }
        }

        /* ===== Section Base ===== */
        .section { padding: var(--section-gap) 0; position: relative; }
        .section-alt { background: var(--color-card-bg); }
        .section-dark { background: var(--color-charcoal); }
        .section-title {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-charcoal);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-title.light { color: var(--color-warm-white); }
        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-slate);
            max-width: 700px;
            margin-bottom: 32px;
        }
        .section-desc.light { color: rgba(245, 241, 234, 0.7); }
        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            .section-title { font-size: 22px; }
            .section-desc { font-size: 15px; }
        }

        /* ===== Hero / Indicator Dashboard ===== */
        .hero-dashboard {
            background: var(--color-charcoal);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .hero-dashboard::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(245, 241, 234, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(245, 241, 234, 0.03) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .hero-dashboard::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(180, 124, 75, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-inner { position: relative; z-index: 1; }
        .hero-ticker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(180, 124, 75, 0.18);
            border: 1px solid rgba(180, 124, 75, 0.4);
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            color: var(--color-copper);
            font-weight: 500;
            margin-bottom: 20px;
            font-family: var(--font-mono);
        }
        .hero-ticker .countdown {
            background: var(--color-copper);
            color: #fff;
            padding: 2px 10px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 13px;
        }
        .hero-main-title {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-warm-white);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
            max-width: 650px;
        }
        .hero-main-title .highlight {
            color: var(--color-copper);
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(245, 241, 234, 0.75);
            max-width: 650px;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            border: none;
            font-family: var(--font-body);
        }
        .btn-primary {
            background: var(--color-copper);
            color: #fff;
        }
        .btn-primary:hover {
            background: #8A5F3A;
            color: #fff;
        }
        .btn-primary:active { transform: scale(0.98); }
        .btn-secondary {
            background: transparent;
            color: var(--color-warm-white);
            border: 1px solid rgba(245, 241, 234, 0.4);
        }
        .btn-secondary:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-charcoal);
            border: 1px solid var(--color-charcoal);
        }
        .btn-outline:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
        }
        .btn-dark-hover:hover { background: var(--color-charcoal); color: #fff; }

        .dashboard-metrics {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .metric-card {
            background: rgba(245, 241, 234, 0.06);
            border: 1px solid rgba(245, 241, 234, 0.12);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            transition: all var(--transition-base);
            backdrop-filter: blur(4px);
        }
        .metric-card:hover {
            border-color: var(--color-copper);
            background: rgba(245, 241, 234, 0.1);
            transform: translateY(-2px);
        }
        .metric-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 600;
            color: var(--color-copper);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .metric-label {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .dashboard-metrics { grid-template-columns: repeat(3, 1fr); }
            .hero-main-title { font-size: 30px; }
        }
        @media (max-width: 640px) {
            .dashboard-metrics { grid-template-columns: repeat(2, 1fr); gap: 10px; }
            .hero-main-title { font-size: 25px; }
            .hero-subtitle { font-size: 15px; }
            .hero-dashboard { padding: 40px 0 36px; }
            .metric-card { padding: 14px 12px; }
            .metric-value { font-size: 22px; }
            .metric-label { font-size: 11px; }
            .hero-cta-group { flex-direction: column; }
            .btn { justify-content: center; padding: 10px 18px; font-size: 14px; }
            .hero-ticker { font-size: 11px; }
        }

        /* ===== Trend Chips Row ===== */
        .trend-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 18px 20px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            box-shadow: var(--shadow-card);
            margin-top: 24px;
        }
        .trend-row-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-slate);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .trend-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            background: var(--color-sand-light);
            color: var(--color-charcoal);
            cursor: pointer;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .trend-chip:hover {
            background: var(--color-copper);
            color: #fff;
        }
        .trend-chip .trend-arrow {
            font-size: 11px;
            color: var(--color-copper);
            font-family: var(--font-mono);
        }
        .trend-chip:hover .trend-arrow { color: #fff; }
        @media (max-width: 640px) {
            .trend-row { padding: 14px; gap: 8px; }
            .trend-chip { font-size: 12px; padding: 5px 10px; }
        }

        /* ===== Service Matrix ===== */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 20px;
        }
        .service-main-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }
        .service-main-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-copper), #8A5F3A);
        }
        .service-main-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-copper);
        }
        .service-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-copper);
            background: rgba(180, 124, 75, 0.1);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 14px;
        }
        .service-status .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-copper);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.7); }
        }
        .service-main-title {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-charcoal);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .service-main-desc {
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .service-main-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-muted);
            font-family: var(--font-mono);
        }
        .service-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .service-side-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            padding: 22px 20px;
            transition: all var(--transition-base);
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            cursor: pointer;
        }
        .service-side-card:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .service-side-number {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--color-copper);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .service-side-title {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 8px;
        }
        .service-side-desc {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .service-matrix { grid-template-columns: 1fr; }
            .service-main-card { padding: 24px 20px; }
        }

        /* ===== Scenario Grid (4-card) ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .scenario-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .scenario-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-copper);
        }
        .scenario-cover {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .scenario-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scenario-card:hover .scenario-cover img { transform: scale(1.05); }
        .scenario-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(20, 17, 14, 0.75);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 11px;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
        }
        .scenario-body { padding: 18px 16px; flex: 1; }
        .scenario-name {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 8px;
        }
        .scenario-text {
            font-size: 13px;
            color: var(--color-slate);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .scenario-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .scenario-grid { grid-template-columns: 1fr; }
            .scenario-cover { height: 140px; }
        }

        /* ===== Comparison Panel ===== */
        .comparison-panel {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 20px;
            align-items: stretch;
        }
        .compare-col {
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid var(--color-sand);
            background: var(--color-white);
            transition: all var(--transition-base);
        }
        .compare-col.traditional {
            opacity: 0.7;
        }
        .compare-col.enhanced {
            border-color: var(--color-copper);
            border-width: 2px;
            background: linear-gradient(135deg, #FEFCF7 0%, rgba(180, 124, 75, 0.06) 100%);
            position: relative;
        }
        .compare-col.enhanced::before {
            content: '优选';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--color-copper);
            color: #fff;
            font-size: 11px;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            font-weight: 600;
        }
        .compare-heading {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-charcoal);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-sand);
            font-size: 14px;
        }
        .compare-item:last-child { border-bottom: none; }
        .compare-item-label {
            color: var(--color-slate);
            font-weight: 500;
        }
        .compare-item-value {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--color-charcoal);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .compare-item-value .delta {
            font-size: 12px;
            color: var(--color-copper);
            font-weight: 500;
        }
        .compare-enhanced .compare-item-value {
            color: var(--color-copper);
        }
        @media (max-width: 768px) {
            .comparison-panel { grid-template-columns: 1fr; }
        }

        /* ===== Milestones ===== */
        .timeline {
            display: flex;
            gap: 0;
            position: relative;
            padding: 20px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-sand);
            transform: translateY(-50%);
        }
        .timeline-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            padding: 0 8px;
        }
        .timeline-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-copper);
            border: 3px solid var(--color-warm-white);
            box-shadow: 0 0 0 2px var(--color-copper);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .timeline-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--color-copper);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .timeline-event {
            font-size: 14px;
            color: var(--color-charcoal);
            font-weight: 500;
            text-align: center;
            line-height: 1.5;
        }
        .timeline-number {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .timeline { flex-direction: column; gap: 20px; }
            .timeline::before {
                top: 0;
                left: 24px;
                height: 100%;
                width: 2px;
                transform: none;
            }
            .timeline-item { flex-direction: row; align-items: flex-start; gap: 16px; padding-left: 40px; }
            .timeline-dot { margin-bottom: 0; margin-top: 2px; flex-shrink: 0; }
            .timeline-content { text-align: left; }
            .timeline-event { text-align: left; }
        }

        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-featured {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 20px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            padding: 20px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .news-featured:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-copper);
        }
        .news-featured-img {
            border-radius: 8px;
            overflow: hidden;
            height: 140px;
        }
        .news-featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-featured-body { display: flex; flex-direction: column; justify-content: center; }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-muted);
            font-family: var(--font-mono);
            margin-bottom: 8px;
        }
        .news-title {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .news-featured:hover .news-title { color: var(--color-copper); }
        .news-summary {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .news-tags { display: flex; gap: 6px; flex-wrap: wrap; }
        .news-tag {
            font-size: 11px;
            padding: 3px 10px;
            background: var(--color-sand-light);
            border-radius: var(--radius-badge);
            color: var(--color-slate);
        }
        .news-compact {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            transition: all var(--transition-base);
            cursor: pointer;
            flex-wrap: wrap;
        }
        .news-compact:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card);
        }
        .news-compact-left { display: flex; align-items: center; gap: 14px; flex: 1; min-width: 200px; }
        .news-compact-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-copper);
            font-weight: 500;
            white-space: nowrap;
        }
        .news-compact-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-charcoal);
        }
        .news-compact:hover .news-compact-title { color: var(--color-copper); }
        .news-compact-read {
            font-size: 12px;
            color: var(--color-muted);
            font-family: var(--font-mono);
            white-space: nowrap;
        }
        .news-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-copper);
            font-weight: 600;
            font-size: 14px;
            margin-top: 16px;
            transition: all var(--transition-base);
        }
        .news-more-link:hover { gap: 10px; color: var(--color-charcoal); }
        @media (max-width: 768px) {
            .news-featured { grid-template-columns: 1fr; }
            .news-featured-img { height: 120px; }
            .news-compact { flex-direction: column; align-items: flex-start; }
        }

        /* ===== Guarantees ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .guarantee-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .guarantee-card:hover {
            border-color: var(--color-copper);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .guarantee-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-sand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: var(--color-copper);
            font-size: 20px;
            transition: all var(--transition-base);
        }
        .guarantee-card:hover .guarantee-icon {
            background: var(--color-copper);
            color: #fff;
        }
        .guarantee-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 6px;
        }
        .guarantee-text {
            font-size: 12px;
            color: var(--color-slate);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .guarantee-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 640px) {
            .guarantee-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
            .guarantee-card { padding: 16px 12px; }
        }

        /* ===== Quick Answers ===== */
        .quick-answers {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .qa-item {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            padding: 20px 18px;
            transition: all var(--transition-base);
        }
        .qa-item:hover { border-color: var(--color-copper); box-shadow: var(--shadow-card); }
        .qa-question {
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .qa-question .qa-icon { color: var(--color-copper); font-size: 14px; flex-shrink: 0; }
        .qa-answer {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.75;
        }
        @media (max-width: 768px) {
            .quick-answers { grid-template-columns: 1fr; }
        }

        /* ===== FAQ Accordion ===== */
        .faq-accordion {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-accordion-item {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-accordion-item:hover {
            border-color: var(--color-sand);
        }
        .faq-accordion-item.is-open {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card);
        }
        .faq-accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-charcoal);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            transition: all var(--transition-base);
        }
        .faq-accordion-title:hover { color: var(--color-copper); }
        .faq-accordion-title .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-sand);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-base);
            font-size: 12px;
            color: var(--color-slate);
        }
        .faq-accordion-item.is-open .faq-toggle {
            background: var(--color-copper);
            border-color: var(--color-copper);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-accordion-content {
            padding: 0 20px 20px;
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.8;
            display: none;
        }
        .faq-accordion-item.is-open .faq-accordion-content {
            display: block;
        }
        @media (max-width: 640px) {
            .faq-accordion-title { font-size: 14px; padding: 14px 16px; }
            .faq-accordion-content { padding: 0 16px 16px; font-size: 14px; }
        }

        /* ===== Subscribe Form ===== */
        .subscribe-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-charcoal);
            border-radius: 16px;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .subscribe-wrapper::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(180, 124, 75, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .subscribe-info { position: relative; z-index: 1; }
        .subscribe-info-title {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .subscribe-info-text {
            font-size: 15px;
            color: rgba(245, 241, 234, 0.7);
            line-height: 1.8;
            max-width: 420px;
        }
        .subscribe-form-wrapper { position: relative; z-index: 1; }
        .subscribe-form {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }
        .form-group { margin-bottom: 16px; }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-charcoal);
            margin-bottom: 6px;
        }
        .form-input, .form-select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--color-sand);
            border-radius: 8px;
            font-size: 14px;
            background: var(--color-white);
            color: var(--color-charcoal);
            transition: all var(--transition-base);
            font-family: var(--font-body);
        }
        .form-input:focus, .form-select:focus {
            border-color: var(--color-copper);
            outline: none;
            box-shadow: 0 0 0 3px rgba(180, 124, 75, 0.15);
        }
        .form-input::placeholder { color: var(--color-muted); }
        .form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234A5568' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
        .form-submit {
            width: 100%;
            padding: 13px 20px;
            background: var(--color-copper);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            font-family: var(--font-body);
            margin-top: 4px;
        }
        .form-submit:hover { background: var(--color-charcoal); }
        .form-submit:active { transform: scale(0.98); }
        .form-note {
            font-size: 12px;
            color: var(--color-muted);
            margin-top: 10px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .subscribe-wrapper { grid-template-columns: 1fr; padding: 24px 20px; gap: 24px; }
            .subscribe-info-title { font-size: 20px; }
        }

        /* ===== Gallery Slider ===== */
        .gallery-slider {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-copper) var(--color-sand);
        }
        .gallery-slider::-webkit-scrollbar { height: 6px; }
        .gallery-slider::-webkit-scrollbar-track { background: var(--color-sand); border-radius: 999px; }
        .gallery-slider::-webkit-scrollbar-thumb { background: var(--color-copper); border-radius: 999px; }
        .gallery-slide {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .gallery-slide:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-copper);
        }
        .gallery-slide-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .gallery-slide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .gallery-slide:hover .gallery-slide-img img { transform: scale(1.06); }
        .gallery-slide-body { padding: 16px; }
        .gallery-slide-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 6px;
        }
        .gallery-slide:hover .gallery-slide-name { color: var(--color-copper); }
        .gallery-slide-text {
            font-size: 13px;
            color: var(--color-slate);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .gallery-slide-tags { display: flex; gap: 5px; flex-wrap: wrap; }
        @media (max-width: 640px) {
            .gallery-slide { flex: 0 0 240px; }
            .gallery-slide-img { height: 150px; }
        }

        /* ===== Trend Report ===== */
        .trend-report {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 30px;
            align-items: center;
        }
        .trend-report-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 260px;
            position: relative;
        }
        .trend-report-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .trend-report-visual::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(20, 17, 14, 0.45) 0%, rgba(180, 124, 75, 0.25) 100%);
        }
        .trend-report-list { display: flex; flex-direction: column; gap: 18px; }
        .trend-report-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
            transition: all var(--transition-base);
        }
        .trend-report-item:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card);
        }
        .trend-report-number {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 600;
            color: var(--color-copper);
            width: 40px;
            flex-shrink: 0;
        }
        .trend-report-info { flex: 1; }
        .trend-report-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 4px;
        }
        .trend-report-text {
            font-size: 13px;
            color: var(--color-slate);
            line-height: 1.6;
        }
        .trend-report-pct {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-copper);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .trend-report-pct .arrow-up { color: var(--color-copper); font-size: 13px; }
        @media (max-width: 768px) {
            .trend-report { grid-template-columns: 1fr; }
            .trend-report-visual { height: 180px; }
        }

        /* ===== Subscription Benefits ===== */
        .benefits-bar {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 20px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-sand);
        }
        .benefit-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: var(--color-sand-light);
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-charcoal);
            transition: all var(--transition-base);
            cursor: default;
            border: 1px solid transparent;
        }
        .benefit-badge:hover {
            border-color: var(--color-copper);
            background: rgba(180, 124, 75, 0.08);
        }
        .benefit-badge .benefit-icon { color: var(--color-copper); font-size: 14px; }
        @media (max-width: 640px) {
            .benefits-bar { flex-direction: column; align-items: stretch; }
            .benefit-badge { justify-content: center; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-charcoal);
            color: rgba(245, 241, 234, 0.7);
            padding: 56px 0 28px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text { color: var(--color-warm-white); font-size: 20px; }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 280px;
            color: rgba(245, 241, 234, 0.55);
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
        .footer-links a {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.55);
            transition: all var(--transition-base);
        }
        .footer-links a:hover { color: var(--color-copper); }
        .footer-bottom {
            border-top: 1px solid rgba(245, 241, 234, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.4);
        }
        .footer-bottom .copyright a { color: rgba(245, 241, 234, 0.5); }
        .footer-bottom .copyright a:hover { color: var(--color-copper); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }

        /* ===== Misc Utilities ===== */
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .gap-sm { gap: 8px; }
        .gap-md { gap: 16px; }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* Foundation Overrides */
        .foundation-mq .top-bar, .foundation-mq .top-bar ul {
            background: transparent;
            border: none;
        }
        .accordion { background: transparent; }
        .accordion-item { background: var(--color-white); }
        .accordion-title { background: transparent; border: none; font-size: 16px; font-weight: 600; color: var(--color-charcoal); }
        .accordion-content { border: none; background: transparent; color: var(--color-slate); }
        .button { border-radius: var(--radius-btn); }
        .callout { border-radius: var(--radius-card); }
        .label { border-radius: var(--radius-badge); }
        .grid-x > .cell { padding: 0; }
        .foundation-mq .top-bar-right { display: none; }

        /* Smooth scrolling for anchor links */
        a[href^="#"] { scroll-margin-top: calc(var(--header-height) + 20px); }

        /* Responsive table wrapper */
        .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* roulang page: category1 */
/* ===== 设计系统（与首页对齐） ===== */
        :root {
            --color-charcoal: #14110E;
            --color-copper: #B47C4B;
            --color-slate: #4A5568;
            --color-warm-white: #F5F1EA;
            --color-card-bg: #FEFCF7;
            --color-white: #FFFFFF;
            --color-sand: #E4DBCC;
            --color-sand-light: #EFE6D8;
            --color-muted: #8A8275;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 24px rgba(20, 17, 14, 0.06);
            --shadow-card-hover: 0 14px 30px rgba(20, 17, 14, 0.10);
            --shadow-hero: 0 10px 40px rgba(20, 17, 14, 0.18);
            --font-title: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
            --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
            --transition-base: 0.2s ease;
            --transition-slow: 0.35s ease;
            --header-height: 72px;
            --section-gap: 72px;
        }

        /* ===== Reset / Base ===== */
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-charcoal);
            background-color: var(--color-warm-white);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-base), border-color var(--transition-base), background var(--transition-base); }
        a:focus-visible { outline: 2px solid var(--color-copper); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: var(--font-body); }
        button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--color-copper); outline-offset: 2px; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-title); margin: 0 0 0.5em; line-height: 1.3; color: var(--color-charcoal); }
        p { margin: 0 0 1.1em; }
        ul, ol { margin: 0; padding: 0; list-style: none; }

        .container-custom { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-charcoal);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(245, 241, 234, 0.08);
            box-shadow: 0 4px 20px rgba(20, 17, 14, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            padding: 10px 0;
        }
        .logo-link { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-copper), #8A5F3A);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-warm-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-text span { color: var(--color-copper); }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            color: rgba(245, 241, 234, 0.7);
            border: 1px solid rgba(245, 241, 234, 0.2);
            background: transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-chip:hover {
            color: var(--color-warm-white);
            border-color: var(--color-copper);
            background: rgba(180, 124, 75, 0.12);
        }
        .nav-chip.active {
            color: #fff;
            background: var(--color-copper);
            border-color: var(--color-copper);
            font-weight: 600;
        }
        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-copper);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .header-cta:hover { background: #8A5F3A; color: #fff; }
        .header-cta:active { transform: scale(0.98); }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(245, 241, 234, 0.3);
            color: var(--color-warm-white);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover { border-color: var(--color-copper); color: var(--color-copper); }

        /* ===== 分类首部 ===== */
        .category-header {
            padding: 40px 0 28px;
            background: var(--color-charcoal);
            border-bottom: 1px solid rgba(245, 241, 234, 0.05);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--color-copper); }
        .breadcrumb a:hover { color: #d3a06a; }
        .breadcrumb .separator { color: rgba(245, 241, 234, 0.3); }
        .category-header h1 {
            color: var(--color-warm-white);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .category-header .category-desc {
            color: rgba(245, 241, 234, 0.75);
            font-size: 15px;
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
        }

        /* ===== 筛选工具条 ===== */
        .filter-section {
            padding: 22px 0;
            background: var(--color-card-bg);
            border-bottom: 1px solid var(--color-sand);
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-slate);
            margin-right: 6px;
            flex-shrink: 0;
            min-width: 48px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 500;
            color: var(--color-charcoal);
            background: transparent;
            border: 1px solid var(--color-sand);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
            background: rgba(180, 124, 75, 0.06);
        }
        .filter-chip.active-chip {
            background: var(--color-copper);
            border-color: var(--color-copper);
            color: #fff;
            font-weight: 600;
        }

        /* ===== 主列表 / 卡片主体 ===== */
        .main-list-section {
            padding: var(--section-gap) 0;
            background: var(--color-warm-white);
        }
        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0;
            letter-spacing: 0.01em;
        }
        .section-heading .heading-badge {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-copper);
            background: var(--color-sand-light);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            display: inline-block;
        }
        .view-more-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-copper);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
        }
        .view-more-link:hover { color: var(--color-charcoal); }
        .card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .list-card {
            background: var(--color-card-bg);
            border: 1px solid var(--color-sand);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .list-card:hover {
            transform: translateY(-2px);
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card-hover);
        }
        .list-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-sand-light);
        }
        .list-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .list-card:hover .card-image img { transform: scale(1.03); }
        .list-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .list-card .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--color-charcoal);
            transition: color var(--transition-base);
        }
        .list-card:hover .card-title { color: var(--color-copper); }
        .list-card .card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-slate);
            margin-bottom: 14px;
            flex: 1;
        }
        .list-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }
        .list-card .card-tags .tag {
            font-size: 11px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            background: var(--color-sand-light);
            color: var(--color-charcoal);
            white-space: nowrap;
        }
        .list-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--color-muted);
            font-family: var(--font-mono);
            border-top: 1px solid var(--color-sand);
            padding-top: 12px;
        }
        .list-card .card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .list-card .card-meta .meta-item i {
            font-size: 12px;
            color: var(--color-copper);
        }

        /* ===== 精选推荐位 ===== */
        .featured-section {
            padding: var(--section-gap) 0;
            background: var(--color-charcoal);
        }
        .featured-section .section-heading h2 {
            color: var(--color-warm-white);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 24px;
        }
        .featured-main {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(245, 241, 234, 0.1);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .featured-main:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card-hover);
        }
        .featured-main .featured-image {
            aspect-ratio: 16/8;
            overflow: hidden;
            position: relative;
        }
        .featured-main .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-main .featured-image .featured-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-copper);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
        }
        .featured-main .featured-body {
            padding: 22px 24px 24px;
        }
        .featured-main .featured-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--color-charcoal);
        }
        .featured-main .featured-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-slate);
            margin-bottom: 0;
        }
        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .featured-side-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(245, 241, 234, 0.1);
            display: flex;
            gap: 14px;
            padding: 14px;
            transition: all var(--transition-base);
            flex: 1;
        }
        .featured-side-card:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card-hover);
        }
        .featured-side-card .side-image {
            width: 110px;
            flex-shrink: 0;
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 1/1;
        }
        .featured-side-card .side-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-side-card .side-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-side-card .side-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 6px;
            color: var(--color-charcoal);
            transition: color var(--transition-base);
        }
        .featured-side-card:hover .side-title { color: var(--color-copper); }
        .featured-side-card .side-desc {
            font-size: 12px;
            line-height: 1.6;
            color: var(--color-slate);
            margin: 0;
        }

        /* ===== 热门标签墙 ===== */
        .tag-section {
            padding: var(--section-gap) 0;
            background: var(--color-warm-white);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            padding: 8px 0;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-charcoal);
            background: var(--color-card-bg);
            border: 1px solid var(--color-sand);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .tag-chip:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
            background: rgba(180, 124, 75, 0.06);
            box-shadow: var(--shadow-card);
        }
        .tag-chip.hot-tag {
            background: var(--color-copper);
            border-color: var(--color-copper);
            color: #fff;
            font-weight: 600;
        }

        /* ===== 相关专题入口 ===== */
        .related-section {
            padding: var(--section-gap) 0;
            background: var(--color-card-bg);
            border-top: 1px solid var(--color-sand);
            border-bottom: 1px solid var(--color-sand);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .related-card {
            background: var(--color-white);
            border: 1px solid var(--color-sand);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
        }
        .related-card:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .related-card .related-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-sand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: var(--color-copper);
            font-size: 18px;
            transition: all var(--transition-base);
        }
        .related-card:hover .related-icon {
            background: var(--color-copper);
            color: #fff;
        }
        .related-card .related-title {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-charcoal);
            transition: color var(--transition-base);
        }
        .related-card:hover .related-title { color: var(--color-copper); }
        .related-card .related-count {
            font-size: 12px;
            color: var(--color-muted);
            font-family: var(--font-mono);
        }

        /* ===== 分类页 FAQ / 帮助条 ===== */
        .category-faq-section {
            padding: var(--section-gap) 0;
            background: var(--color-warm-white);
        }
        .accordion {
            background: transparent;
            border: none;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .accordion-item {
            margin-bottom: 12px;
            border: 1px solid var(--color-sand);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-card-bg);
            transition: all var(--transition-base);
        }
        .accordion-item:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card);
        }
        .accordion-title {
            display: block;
            padding: 16px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-charcoal);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
            padding-right: 48px;
        }
        .accordion-title::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-copper);
            font-size: 16px;
            transition: transform var(--transition-base);
        }
        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }
        .accordion-title:hover { color: var(--color-copper); }
        .accordion-content {
            display: none;
            padding: 0 22px 18px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-slate);
            border-top: 1px solid var(--color-sand);
            padding-top: 14px;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }
        .accordion-item.is-active {
            border-color: var(--color-copper);
            background: var(--color-warm-white);
        }

        /* ===== 转化 / 订阅横条 ===== */
        .category-subscribe-section {
            padding: 36px 0;
            background: var(--color-sand-light);
        }
        .subscribe-strip {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            background: var(--color-card-bg);
            border: 1px solid var(--color-sand);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
        }
        .subscribe-strip .strip-text h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .subscribe-strip .strip-text p {
            font-size: 14px;
            color: var(--color-slate);
            margin: 0;
        }
        .strip-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--color-copper);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }
        .strip-btn:hover { background: var(--color-charcoal); color: #fff; }
        .strip-btn:active { transform: scale(0.98); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-charcoal);
            color: var(--color-warm-white);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(245, 241, 234, 0.1);
            margin-bottom: 24px;
        }
        .footer-brand .logo-link { margin-bottom: 14px; }
        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(245, 241, 234, 0.65);
            max-width: 300px;
            margin: 0;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links { list-style: none; margin: 0; padding: 0; }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.65);
            transition: all var(--transition-base);
        }
        .footer-links a:hover { color: var(--color-copper); }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.5);
        }
        .footer-bottom .copyright {
            font-family: var(--font-mono);
            font-size: 11px;
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1024px) {
            .container-custom { padding: 0 16px; }
            .card-grid { grid-template-columns: 1fr 1fr; gap: 18px; }
            .featured-grid { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 64px; --section-gap: 48px; }
            .header-inner { flex-wrap: wrap; padding: 8px 0; }
            .nav-toggle { display: flex; }
            .nav-chips {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-charcoal);
                padding: 16px 20px;
                border-bottom: 1px solid rgba(245, 241, 234, 0.08);
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }
            .nav-chips.open {
                display: flex;
            }
            .nav-chip { justify-content: center; }
            .category-header h1 { font-size: 22px; }
            .card-grid { grid-template-columns: 1fr; }
            .featured-side-card .side-image { width: 80px; }
            .subscribe-strip { flex-direction: column; text-align: center; }
            .subscribe-strip .strip-text h3 { font-size: 16px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            :root { --section-gap: 36px; }
            .container-custom { padding: 0 12px; }
            .logo-text { font-size: 16px; }
            .logo-icon { width: 32px; height: 32px; font-size: 15px; }
            .header-cta { padding: 8px 14px; font-size: 12px; }
            .related-grid { grid-template-columns: 1fr; }
            .filter-bar { gap: 6px; }
            .filter-chip { padding: 5px 10px; font-size: 11px; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .featured-side-card { flex-direction: column; }
            .featured-side-card .side-image { width: 100%; aspect-ratio: 16/9; }
            .section-heading h2 { font-size: 20px; }
            .accordion-title { font-size: 14px; padding: 14px 16px; padding-right: 40px; }
            .accordion-content { padding: 0 16px 14px; padding-top: 12px; font-size: 14px; }
        }