/* roulang page: index */
:root {
            --bg: #f5f8fc;
            --surface: #ffffff;
            --surface-soft: #eef5ff;
            --ink: #14213d;
            --muted: #61708a;
            --line: #dce6f2;
            --primary: #2563eb;
            --primary-dark: #1744a4;
            --cyan: #0ea5e9;
            --success: #11966a;
            --shadow: 0 18px 50px rgba(33, 72, 126, .10);
            --shadow-sm: 0 8px 24px rgba(33, 72, 126, .08);
            --radius-lg: 26px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --container: 1180px;
            --transition: .28s ease;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        button, input { font: inherit; }
        button { border: 0; cursor: pointer; }
        img { max-width: 100%; display: block; }
        ul { list-style: none; }
        .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .12em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }
        .section-head {
            max-width: 700px;
            margin-bottom: 42px;
        }
        .section-head h2 {
            margin-top: 12px;
            font-size: clamp(28px, 4vw, 44px);
            line-height: 1.22;
            letter-spacing: -.04em;
        }
        .section-head p {
            margin-top: 16px;
            color: var(--muted);
            font-size: 16px;
        }
        .section {
            padding: 92px 0;
            position: relative;
        }
        .section-white { background: var(--surface); }
        .section-blue { background: #edf5ff; }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 0 21px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 750;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
        }
        .btn:hover { transform: translateY(-2px); }
        .btn:focus-visible, a:focus-visible, button:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .28);
            outline-offset: 3px;
        }
        .btn-primary {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 12px 24px rgba(37, 99, 235, .22);
        }
        .btn-primary:hover { background: var(--primary-dark); box-shadow: 0 16px 30px rgba(37, 99, 235, .28); }
        .btn-outline {
            color: var(--primary);
            background: #fff;
            border: 1px solid #cbdcf7;
        }
        .btn-outline:hover { background: var(--surface-soft); }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 10px;
            color: var(--primary);
            border: 1px solid #c8dbf8;
            border-radius: 999px;
            background: #f5f9ff;
            font-size: 12px;
            font-weight: 700;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255,255,255,.92);
            border-bottom: 1px solid rgba(220,230,242,.85);
            backdrop-filter: blur(18px);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 10px 28px rgba(28, 62, 109, .10); }
        .brand-row {
            height: 74px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            font-size: 21px;
            font-weight: 900;
            letter-spacing: -.04em;
            white-space: nowrap;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            display: grid;
            place-items: center;
            color: #fff;
            border-radius: 11px;
            background: linear-gradient(135deg, #2563eb, #0ea5e9);
            box-shadow: 0 8px 18px rgba(37,99,235,.22);
        }
        .brand small {
            display: block;
            color: #8a98ad;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: .12em;
            line-height: 1;
            margin-top: 2px;
        }
        .top-note { color: var(--muted); font-size: 13px; }
        .top-note strong { color: var(--primary); }
        .nav-row {
            border-top: 1px solid #edf1f7;
        }
        .nav-inner {
            min-height: 52px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar { display: none; }
        .nav-links a {
            position: relative;
            padding: 14px 15px;
            color: #56657d;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 15px;
            right: 15px;
            bottom: 5px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform var(--transition);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--primary); }
        .nav-links a.active::after, .nav-links a:hover::after { transform: scaleX(1); }
        .nav-actions { display: flex; align-items: center; gap: 10px; }
        .mobile-toggle { display: none; color: var(--ink); background: transparent; font-size: 20px; }

        .hero {
            padding: 26px 0 58px;
            background:
                radial-gradient(circle at 85% 10%, rgba(109,177,255,.25), transparent 28%),
                linear-gradient(180deg, #fff 0%, #f4f8fd 100%);
        }
        .hero-ribbon {
            min-height: 38px;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 7px 14px;
            overflow: hidden;
            color: #31517d;
            border: 1px solid #d4e3f5;
            border-radius: 10px;
            background: rgba(238,247,255,.78);
            font-size: 13px;
        }
        .hero-ribbon i { color: var(--primary); }
        .ribbon-scroll { white-space: nowrap; animation: ribbon 22s linear infinite; }
        @keyframes ribbon { from { transform: translateX(0); } to { transform: translateX(-25%); } }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            align-items: center;
            gap: 68px;
            padding: 58px 0 35px;
        }
        .hero h1 {
            max-width: 720px;
            margin-top: 15px;
            font-size: clamp(38px, 5.2vw, 68px);
            line-height: 1.12;
            letter-spacing: -.065em;
        }
        .hero h1 span { color: var(--primary); }
        .hero-copy {
            max-width: 680px;
            margin-top: 24px;
            color: var(--muted);
            font-size: 17px;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
        .hero-proof {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 28px;
            margin-top: 32px;
            color: #536783;
            font-size: 13px;
        }
        .hero-proof span { display: inline-flex; align-items: center; gap: 7px; }
        .hero-proof i { color: var(--success); }
        .hero-panel {
            position: relative;
            min-height: 360px;
            padding: 18px;
            border: 1px solid #d7e5f6;
            border-radius: 26px;
            background: rgba(255,255,255,.75);
            box-shadow: var(--shadow);
        }
        .hero-panel::before {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            right: -35px;
            top: -40px;
            border-radius: 50%;
            background: rgba(63, 147, 255, .15);
            filter: blur(4px);
        }
        .dashboard {
            position: relative;
            overflow: hidden;
            min-height: 324px;
            padding: 22px;
            border-radius: 19px;
            color: #fff;
            background: linear-gradient(145deg, #132d61, #1c55aa);
        }
        .dashboard-top { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
        .dashboard-title { font-size: 15px; font-weight: 800; }
        .live {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 9px;
            border-radius: 999px;
            color: #bff5e0;
            background: rgba(21, 169, 112, .18);
            font-size: 11px;
        }
        .live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #47e5aa; }
        .dashboard-value { margin-top: 30px; font-size: 42px; font-weight: 900; letter-spacing: -.06em; }
        .dashboard-label { color: #b5c9eb; font-size: 12px; }
        .chart {
            display: flex;
            align-items: end;
            gap: 8px;
            height: 86px;
            margin: 22px 0;
            padding-top: 10px;
            border-bottom: 1px solid rgba(255,255,255,.18);
        }
        .bar { flex: 1; min-width: 9px; border-radius: 5px 5px 0 0; background: linear-gradient(#66c6ff, #61a5ff); opacity: .88; }
        .dashboard-list { display: grid; gap: 8px; }
        .dashboard-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 12px;
            border: 1px solid rgba(255,255,255,.12);
            border-radius: 10px;
            background: rgba(255,255,255,.08);
            color: #dbe8fc;
            font-size: 12px;
        }
        .dashboard-item b { color: #fff; }

        .metrics {
            padding: 28px 0;
            background: #fff;
            border-top: 1px solid #e9eff7;
            border-bottom: 1px solid #e9eff7;
        }
        .metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
        .metric { padding: 8px 25px; border-right: 1px solid var(--line); }
        .metric:first-child { padding-left: 0; }
        .metric:last-child { border-right: 0; }
        .metric strong { display: block; color: var(--ink); font-size: 29px; line-height: 1.2; letter-spacing: -.04em; }
        .metric span { color: var(--muted); font-size: 13px; }

        .matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .feature-card {
            min-height: 220px;
            padding: 26px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); border-color: #a7c7f5; box-shadow: var(--shadow); }
        .icon-box {
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            margin-bottom: 22px;
            color: var(--primary);
            border-radius: 14px;
            background: #eaf3ff;
            font-size: 19px;
        }
        .feature-card h3 { font-size: 19px; letter-spacing: -.025em; }
        .feature-card p { margin-top: 10px; color: var(--muted); font-size: 14px; }

        .node-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 60px; align-items: start; }
        .node-list { display: grid; gap: 12px; }
        .node-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            padding: 17px 19px;
            border: 1px solid var(--line);
            border-radius: 15px;
            background: #fff;
            box-shadow: 0 5px 18px rgba(30,78,132,.05);
        }
        .node-name { display: flex; align-items: center; gap: 12px; font-weight: 750; }
        .node-dot { width: 9px; height: 9px; border-radius: 50%; background: #16b57b; box-shadow: 0 0 0 5px #e3f7ee; }
        .node-item small { color: var(--muted); font-size: 12px; }
        .node-map {
            min-height: 340px;
            padding: 28px;
            overflow: hidden;
            position: relative;
            border: 1px solid #cfe0f7;
            border-radius: var(--radius-lg);
            background: #eaf3ff;
        }
        .node-map::before {
            content: "";
            position: absolute;
            inset: 26px;
            border: 1px dashed #9fc2ee;
            border-radius: 50%;
            transform: rotate(-18deg);
        }
        .node-map::after {
            content: "";
            position: absolute;
            width: 360px;
            height: 170px;
            left: 16%;
            top: 33%;
            border-top: 2px solid rgba(37,99,235,.32);
            border-radius: 50%;
            transform: rotate(-18deg);
        }
        .map-title { position: relative; z-index: 1; color: #42628b; font-size: 13px; font-weight: 800; }
        .map-point { position: absolute; z-index: 2; display: grid; place-items: center; gap: 4px; color: #42628b; font-size: 11px; }
        .map-point i { width: 17px; height: 17px; display: block; border: 4px solid #fff; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px rgba(37,99,235,.17); }
        .point-a { left: 20%; top: 39%; }
        .point-b { left: 49%; top: 26%; }
        .point-c { right: 17%; top: 52%; }
        .point-d { left: 39%; bottom: 16%; }
        .map-card {
            position: absolute;
            right: 20px;
            bottom: 20px;
            z-index: 3;
            padding: 15px 17px;
            border: 1px solid #d2e2f6;
            border-radius: 14px;
            background: rgba(255,255,255,.9);
            box-shadow: var(--shadow-sm);
        }
        .map-card strong { display: block; font-size: 21px; }
        .map-card span { color: var(--muted); font-size: 12px; }

        .material-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
        .material-main, .material-side {
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid #d4e3f6;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .material-main { background: linear-gradient(135deg, #eaf4ff, #fff); }
        .material-main h3 { max-width: 490px; font-size: 28px; line-height: 1.3; }
        .material-main p { max-width: 570px; margin-top: 13px; color: var(--muted); }
        .material-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
        .material-side { display: grid; gap: 14px; }
        .material-row { display: flex; align-items: center; gap: 13px; padding-bottom: 14px; border-bottom: 1px solid #edf2f8; }
        .material-row:last-child { padding-bottom: 0; border-bottom: 0; }
        .material-row i { color: var(--primary); font-size: 17px; }
        .material-row b { display: block; font-size: 14px; }
        .material-row span { display: block; color: var(--muted); font-size: 12px; }

        .settle-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
        .settle-note { color: var(--muted); font-size: 16px; }
        .settle-points { display: grid; gap: 12px; margin-top: 25px; }
        .settle-points li { display: flex; gap: 11px; color: #455a78; font-size: 14px; }
        .settle-points i { margin-top: 5px; color: var(--success); }
        .settle-table { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-sm); }
        .settle-row { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 15px; padding: 18px 22px; border-bottom: 1px solid #edf2f7; }
        .settle-row:last-child { border-bottom: 0; }
        .settle-row.head { color: #fff; background: #1f55a5; font-weight: 750; }
        .settle-row:not(.head) { color: #536783; font-size: 14px; }
        .settle-row:not(.head) strong { color: var(--ink); }

        .compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .compare-card { padding: 28px; border-radius: var(--radius-md); }
        .compare-card.old { border: 1px solid #e2e7ef; background: #f8fafc; }
        .compare-card.new { border: 1px solid #b8d3fa; background: #fff; box-shadow: var(--shadow-sm); }
        .compare-card h3 { display: flex; align-items: center; gap: 10px; font-size: 20px; }
        .compare-card.new h3 { color: var(--primary); }
        .compare-card ul { display: grid; gap: 13px; margin-top: 22px; }
        .compare-card li { display: flex; gap: 10px; color: var(--muted); font-size: 14px; }
        .compare-card li i { margin-top: 5px; color: var(--primary); }
        .compare-card.old li i { color: #aab6c7; }

        .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .case-card {
            padding: 26px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .case-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
        .case-card h3 { margin-top: 20px; font-size: 19px; }
        .case-card p { margin-top: 10px; color: var(--muted); font-size: 14px; }
        .case-result { display: inline-flex; align-items: center; gap: 6px; margin-top: 22px; color: var(--success); font-size: 13px; font-weight: 800; }

        .news-layout { display: grid; grid-template-columns: 1fr .85fr; gap: 25px; }
        .news-feature {
            min-height: 270px;
            display: flex;
            flex-direction: column;
            justify-content: end;
            padding: 30px;
            border-radius: var(--radius-lg);
            color: #fff;
            background: linear-gradient(135deg, rgba(19,54,119,.92), rgba(37,99,235,.85)), radial-gradient(circle at 78% 20%, #72c7ff, transparent 30%);
            box-shadow: var(--shadow);
        }
        .news-feature h3 { max-width: 580px; margin-top: 15px; font-size: 27px; line-height: 1.35; }
        .news-feature p { max-width: 580px; margin-top: 10px; color: #d4e5ff; font-size: 14px; }
        .news-list { display: grid; gap: 12px; }
        .news-item {
            display: grid;
            grid-template-columns: 76px 1fr;
            gap: 15px;
            align-items: center;
            padding: 16px;
            border: 1px solid var(--line);
            border-radius: 15px;
            background: #fff;
            transition: transform var(--transition), border-color var(--transition);
        }
        .news-item:hover { transform: translateX(5px); border-color: #a6c7f4; }
        .news-date { padding: 8px; text-align: center; border-radius: 10px; color: var(--primary); background: #edf5ff; font-size: 12px; font-weight: 800; }
        .news-date strong { display: block; font-size: 21px; line-height: 1.2; }
        .news-item h4 { font-size: 15px; line-height: 1.45; }
        .news-item p { margin-top: 4px; color: var(--muted); font-size: 12px; }

        .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 2px solid #cfe0f6; }
        .timeline-item { position: relative; padding: 30px 18px 0 0; }
        .timeline-item::before { content: ""; position: absolute; left: 0; top: -8px; width: 14px; height: 14px; border: 3px solid #fff; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 2px #9fc4f6; }
        .timeline-item strong { display: block; color: var(--primary); font-size: 14px; }
        .timeline-item h3 { margin-top: 11px; font-size: 17px; }
        .timeline-item p { margin-top: 7px; color: var(--muted); font-size: 13px; }

        .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
        .trust-item { padding: 24px 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
        .trust-item i { color: var(--primary); font-size: 21px; }
        .trust-item h3 { margin-top: 15px; font-size: 16px; }
        .trust-item p { margin-top: 7px; color: var(--muted); font-size: 13px; }

        .faq-wrap { max-width: 820px; }
        .faq-item { border-bottom: 1px solid var(--line); }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 21px 0;
            color: var(--ink);
            background: transparent;
            text-align: left;
            font-size: 16px;
            font-weight: 800;
        }
        .faq-question i { color: var(--primary); transition: transform var(--transition); }
        .faq-answer { max-height: 0; overflow: hidden; color: var(--muted); font-size: 14px; transition: max-height var(--transition), padding var(--transition); }
        .faq-item.open .faq-answer { max-height: 180px; padding: 0 30px 20px 0; }
        .faq-item.open .faq-question i { transform: rotate(45deg); }

        .cta-section { padding: 74px 0; background: #15366d; }
        .cta-box { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
        .cta-box h2 { color: #fff; font-size: clamp(28px, 4vw, 44px); line-height: 1.2; letter-spacing: -.04em; }
        .cta-box p { max-width: 650px; margin-top: 12px; color: #c5d8f5; font-size: 15px; }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 11px; flex-shrink: 0; }
        .cta-section .btn-primary { color: #173b74; background: #fff; box-shadow: none; }
        .cta-section .btn-primary:hover { background: #eaf3ff; }
        .cta-section .btn-outline { color: #fff; border-color: rgba(255,255,255,.35); background: transparent; }
        .cta-section .btn-outline:hover { background: rgba(255,255,255,.1); }

        .footer { padding: 48px 0 24px; color: #8c9db6; background: #0e2247; }
        .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 35px; padding-bottom: 38px; }
        .footer .brand { color: #fff; }
        .footer .brand small { color: #8c9db6; }
        .footer-intro { max-width: 300px; margin-top: 15px; font-size: 13px; }
        .footer h3 { margin-bottom: 14px; color: #fff; font-size: 14px; }
        .footer li { margin: 8px 0; font-size: 13px; }
        .footer a:hover { color: #fff; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }
        .footer-bottom span:last-child { color: #6f84a4; }

        @media (max-width: 1024px) {
            .hero-grid, .node-layout, .settle-layout, .news-layout { gap: 35px; }
            .hero h1 { font-size: 52px; }
            .matrix-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
            .trust-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--container), calc(100% - 32px)); }
            .top-note { display: none; }
            .brand-row { height: 64px; }
            .nav-row { display: none; }
            .site-header.menu-open .nav-row { display: block; }
            .site-header.menu-open .nav-inner { align-items: stretch; flex-direction: column; padding: 12px 0 18px; }
            .site-header.menu-open .nav-links { flex-direction: column; align-items: stretch; overflow: visible; }
            .site-header.menu-open .nav-links a { padding: 10px 0; }
            .site-header.menu-open .nav-links a::after { left: 0; right: auto; bottom: 4px; width: 25px; }
            .site-header.menu-open .nav-actions { padding-top: 8px; }
            .mobile-toggle { display: block; }
            .nav-actions { display: none; }
            .site-header.menu-open .nav-actions { display: flex; }
            .hero { padding-top: 16px; }
            .hero-grid { grid-template-columns: 1fr; padding-top: 45px; }
            .hero h1 { font-size: clamp(38px, 10vw, 55px); }
            .hero-panel { max-width: 610px; width: 100%; margin: 0 auto; }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(3) { padding-left: 0; }
            .section { padding: 70px 0; }
            .node-layout, .settle-layout, .material-layout, .news-layout { grid-template-columns: 1fr; }
            .timeline { grid-template-columns: repeat(2, 1fr); gap: 25px 0; border-top: 0; }
            .timeline-item { padding-top: 24px; border-top: 2px solid #cfe0f6; }
            .timeline-item::before { top: -8px; }
            .cta-box { align-items: flex-start; flex-direction: column; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .hero-ribbon { font-size: 12px; }
            .hero-copy { font-size: 15px; }
            .hero-actions .btn { width: 100%; }
            .hero-proof { display: grid; gap: 10px; }
            .matrix-grid, .case-grid, .compare-grid, .trust-grid { grid-template-columns: 1fr; }
            .metrics-grid { gap: 0; }
            .metric { padding: 14px 10px; }
            .metric strong { font-size: 24px; }
            .metric span { font-size: 12px; }
            .settle-row { grid-template-columns: 1fr; gap: 4px; padding: 15px 17px; }
            .settle-row.head { display: none; }
            .settle-row:not(.head) { border-bottom: 1px solid var(--line); }
            .settle-row:not(.head)::before { content: "方案"; color: var(--primary); font-weight: 800; }
            .news-feature { min-height: 240px; padding: 23px; }
            .news-feature h3 { font-size: 23px; }
            .timeline { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 18px; }
            .footer-grid > :first-child { grid-column: 1 / -1; }
            .footer-bottom { align-items: flex-start; flex-direction: column; }
        }