/* roulang page: index */
:root {
            --navy: #0b1f3a;
            --navy-2: #123762;
            --blue: #1769aa;
            --cyan: #38b7c9;
            --gold: #e5ad59;
            --paper: #f5f8fb;
            --white: #ffffff;
            --ink: #17283d;
            --muted: #6f8093;
            --line: #dce6ef;
            --soft-blue: #e9f3fb;
            --soft-gold: #fff6e7;
            --radius: 18px;
            --shadow: 0 16px 45px rgba(20, 54, 85, .10);
            --shadow-sm: 0 8px 25px rgba(20, 54, 85, .07);
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: .25s ease; }
        img { display: block; max-width: 100%; }
        button, input { font: inherit; }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 3px solid rgba(56, 183, 201, .42);
            outline-offset: 3px;
        }
        .container { max-width: 1180px; }
        .site-header { padding: 22px 0 0; position: relative; z-index: 10; }
        .nav-shell {
            background: rgba(255,255,255,.94);
            border: 1px solid rgba(220,230,239,.92);
            border-radius: 18px;
            box-shadow: var(--shadow-sm);
            padding: 11px 16px;
        }
        .navbar-brand {
            color: var(--navy);
            font-weight: 800;
            letter-spacing: -.04em;
            font-size: 1.2rem;
            white-space: nowrap;
        }
        .brand-mark {
            display: inline-grid;
            place-items: center;
            width: 38px;
            height: 38px;
            margin-right: 9px;
            color: var(--white);
            background: var(--navy);
            border-radius: 12px;
            font-size: .9rem;
            letter-spacing: 0;
        }
        .nav-link {
            color: var(--muted) !important;
            font-weight: 700;
            padding: 9px 15px !important;
            border-radius: 10px;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--navy) !important;
            background: var(--soft-blue);
        }
        .nav-action {
            background: var(--navy);
            color: #fff !important;
            border-radius: 11px;
            padding: 10px 17px !important;
        }
        .nav-action:hover { background: var(--blue); transform: translateY(-1px); }

        .hero {
            padding: 76px 0 72px;
            background:
                radial-gradient(circle at 82% 22%, rgba(56,183,201,.22), transparent 27%),
                linear-gradient(135deg, #f5f9fc 0%, #eaf3f9 100%);
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--blue);
            font-size: .78rem;
            font-weight: 800;
            letter-spacing: .12em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 26px;
            height: 2px;
            background: var(--cyan);
        }
        h1, h2, h3, h4 { color: var(--navy); font-weight: 800; line-height: 1.25; letter-spacing: -.035em; }
        h1 { font-size: clamp(2.35rem, 5vw, 4.5rem); max-width: 720px; margin: 18px 0 20px; }
        h2 { font-size: clamp(1.85rem, 3vw, 2.7rem); margin: 0 0 14px; }
        h3 { font-size: 1.22rem; margin: 0 0 10px; }
        .hero-copy { max-width: 650px; color: var(--muted); font-size: 1.08rem; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
        .btn-brand, .btn-outline-brand {
            border-radius: 12px;
            padding: 12px 20px;
            font-weight: 800;
            border: 1px solid transparent;
            transition: .25s ease;
        }
        .btn-brand { background: var(--navy); color: #fff; }
        .btn-brand:hover { background: var(--blue); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(23,105,170,.2); }
        .btn-outline-brand { border-color: var(--line); background: #fff; color: var(--navy); }
        .btn-outline-brand:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
        .hero-notes { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 29px; color: var(--muted); font-size: .9rem; }
        .hero-notes strong { display: block; color: var(--navy); font-size: 1.2rem; line-height: 1.2; }
        .hero-stage {
            position: relative;
            min-height: 350px;
            display: grid;
            place-items: center;
        }
        .stage-panel {
            width: min(100%, 440px);
            min-height: 310px;
            padding: 28px;
            background: var(--navy);
            color: #fff;
            border-radius: 24px;
            box-shadow: 0 26px 55px rgba(11,31,58,.22);
            position: relative;
            overflow: hidden;
        }
        .stage-panel::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            right: -70px;
            bottom: -80px;
            border: 1px solid rgba(255,255,255,.18);
            border-radius: 50%;
            box-shadow: 0 0 0 28px rgba(255,255,255,.04), 0 0 0 56px rgba(255,255,255,.03);
        }
        .stage-top { display: flex; justify-content: space-between; align-items: center; color: #b7cadc; font-size: .82rem; }
        .countdown-wrap { display: flex; align-items: center; gap: 22px; margin: 34px 0 24px; }
        .count-ring {
            width: 112px; height: 112px; flex: 0 0 auto;
            display: grid; place-items: center;
            border-radius: 50%;
            background: conic-gradient(var(--cyan) 0 72%, rgba(255,255,255,.13) 72% 100%);
            position: relative;
        }
        .count-ring::before { content: ""; position: absolute; inset: 9px; background: var(--navy); border-radius: 50%; }
        .count-ring span { position: relative; z-index: 1; text-align: center; font-weight: 800; line-height: 1.2; }
        .count-ring small { display: block; color: #afc4d5; font-size: .68rem; font-weight: 500; margin-top: 4px; }
        .stage-panel h3 { color: #fff; font-size: 1.5rem; }
        .stage-panel p { color: #b7cadc; font-size: .91rem; }
        .dot-row { display: flex; gap: 7px; margin-top: 20px; }
        .dot-row span { width: 7px; height: 7px; border-radius: 50%; background: #5d7892; }
        .dot-row span:first-child { width: 25px; border-radius: 5px; background: var(--cyan); }

        .section { padding: 92px 0; }
        .section-head { max-width: 700px; margin-bottom: 38px; }
        .section-head p { color: var(--muted); margin: 0; max-width: 680px; }
        .section-kicker { color: var(--blue); font-weight: 800; font-size: .82rem; margin-bottom: 13px; }
        .news-section { background: #fff; }
        .news-list { border-top: 1px solid var(--line); }
        .news-item {
            display: flex; justify-content: space-between; gap: 20px; align-items: center;
            padding: 19px 0; border-bottom: 1px solid var(--line);
        }
        .news-item:hover .news-title { color: var(--blue); }
        .news-title { font-weight: 800; color: var(--navy); }
        .news-meta { color: var(--muted); font-size: .82rem; white-space: nowrap; }
        .feature-note { background: var(--soft-gold); border-radius: var(--radius); padding: 28px; height: 100%; border: 1px solid #f3e1bd; }
        .feature-note .number { color: var(--gold); font-size: 2.7rem; font-weight: 900; line-height: 1; }
        .feature-note p { color: #75664e; margin: 15px 0 0; }
        .service-section { background: var(--paper); }
        .service-card {
            height: 100%; background: #fff; padding: 27px; border: 1px solid var(--line);
            border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: .25s ease;
        }
        .service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #b9d7e8; }
        .icon-box { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; background: var(--soft-blue); color: var(--blue); font-weight: 900; margin-bottom: 21px; }
        .service-card p, .app-copy p, .about-copy p { color: var(--muted); margin-bottom: 0; }
        .tag { display: inline-block; color: var(--blue); background: var(--soft-blue); border-radius: 30px; padding: 4px 10px; font-size: .75rem; font-weight: 800; margin-bottom: 13px; }
        .app-section { background: var(--navy); color: #fff; }
        .app-section h2 { color: #fff; }
        .app-copy p { color: #b5c8d8; max-width: 570px; }
        .app-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; margin: 28px 0; }
        .app-point { padding: 16px; border: 1px solid rgba(255,255,255,.14); border-radius: 13px; color: #d8e4ed; }
        .app-point strong { display: block; color: #fff; margin-bottom: 4px; }
        .app-board { background: #173b62; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; padding: 25px; box-shadow: 0 18px 45px rgba(0,0,0,.16); }
        .board-line { display: flex; justify-content: space-between; gap: 15px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.13); color: #b5c8d8; }
        .board-line:last-child { border-bottom: 0; }
        .board-line b { color: #fff; }
        .status { color: var(--cyan); font-size: .82rem; font-weight: 800; }
        .faq-section { background: #fff; }
        .accordion-item { border: 1px solid var(--line) !important; border-radius: 13px !important; overflow: hidden; margin-bottom: 12px; }
        .accordion-button { color: var(--navy); font-weight: 800; background: #fff; padding: 19px 22px; box-shadow: none !important; }
        .accordion-button:not(.collapsed) { color: var(--blue); background: var(--soft-blue); }
        .accordion-body { color: var(--muted); padding: 0 22px 21px; background: var(--soft-blue); }
        .about-section { background: var(--paper); }
        .about-panel { padding: 35px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
        .quote { font-size: 1.45rem; color: var(--navy); font-weight: 800; line-height: 1.45; margin: 0; }
        .about-list { list-style: none; padding: 0; margin: 25px 0 0; }
        .about-list li { padding: 12px 0 12px 28px; border-bottom: 1px solid var(--line); position: relative; color: var(--muted); }
        .about-list li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 900; }
        .cta { padding: 72px 0; background: var(--soft-blue); }
        .cta-box { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
        .cta-box p { color: var(--muted); margin: 0; max-width: 620px; }
        .site-footer { background: #07172b; color: #abc0d1; padding: 54px 0 24px; }
        .footer-brand { color: #fff; font-weight: 800; font-size: 1.2rem; }
        .footer-copy { max-width: 430px; margin-top: 15px; font-size: .9rem; }
        .footer-links { display: flex; justify-content: flex-end; gap: 18px; font-size: .9rem; }
        .footer-links a:hover { color: #fff; }
        .footer-bottom { margin-top: 40px; padding-top: 19px; border-top: 1px solid rgba(255,255,255,.12); font-size: .8rem; display: flex; justify-content: space-between; gap: 16px; }
        @media (max-width: 991px) {
            .hero { padding: 60px 0; }
            .hero-stage { margin-top: 35px; }
            .footer-links { justify-content: flex-start; margin-top: 25px; }
        }
        @media (max-width: 767px) {
            .site-header { padding-top: 12px; }
            .nav-shell { border-radius: 14px; }
            .navbar-brand { font-size: 1rem; }
            .brand-mark { width: 34px; height: 34px; }
            h1 { font-size: 2.45rem; }
            .section { padding: 65px 0; }
            .news-item { align-items: flex-start; flex-direction: column; gap: 5px; }
            .app-points { grid-template-columns: 1fr; }
            .cta-box, .footer-bottom { align-items: flex-start; flex-direction: column; }
        }
        @media (max-width: 520px) {
            .hero-actions .btn { width: 100%; }
            .stage-panel { padding: 22px; }
            .countdown-wrap { gap: 15px; }
            .count-ring { width: 92px; height: 92px; }
            .about-panel { padding: 25px; }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}