/* roulang page: index */
:root{
            --bg:#f4f6fb;
            --bg-soft:#eef2f7;
            --surface:#ffffff;
            --surface-strong:#0f172a;
            --surface-dark:#11192b;
            --surface-dark-2:#1b2740;
            --text:#182233;
            --muted:#64748b;
            --muted-2:#94a3b8;
            --line:#d8e0ea;
            --line-dark:rgba(255,255,255,.12);
            --accent:#c66a3c;
            --accent-2:#f0b27a;
            --accent-3:#9f5534;
            --shadow:0 18px 48px rgba(15, 23, 42, .12);
            --shadow-soft:0 12px 24px rgba(15, 23, 42, .08);
            --radius:20px;
            --radius-lg:30px;
            --container:1280px;
            --nav-h:76px;
            --transition:all .25s ease;
        }

        *{box-sizing:border-box}
        html{
            scroll-behavior:smooth;
        }
        body{
            margin:0;
            font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
            color:var(--text);
            background:
                radial-gradient(circle at top right, rgba(240,178,122,.16), transparent 34%),
                radial-gradient(circle at bottom left, rgba(198,106,60,.10), transparent 28%),
                linear-gradient(180deg, #f7f9fc 0%, #f3f6fb 100%);
            line-height:1.75;
            -webkit-font-smoothing:antialiased;
            text-rendering:optimizeLegibility;
        }
        body::selection{
            background:rgba(198,106,60,.18);
        }
        a{
            color:inherit;
            text-decoration:none;
            transition:var(--transition);
        }
        a:hover{
            color:var(--accent);
        }
        img{
            max-width:100%;
            display:block;
        }
        button, input, textarea, select{
            font:inherit;
        }
        button{
            border:0;
            background:none;
        }
        :focus-visible{
            outline:3px solid rgba(240,178,122,.65);
            outline-offset:3px;
        }

        .page-wrap{
            position:relative;
            overflow:hidden;
        }
        .container-xl{
            max-width:var(--container);
        }

        .site-header{
            position:sticky;
            top:0;
            z-index:1030;
            background:rgba(14, 22, 38, .94);
            backdrop-filter:blur(18px);
            border-bottom:1px solid rgba(255,255,255,.08);
            box-shadow:0 8px 24px rgba(15,23,42,.20);
        }
        .navbar{
            min-height:var(--nav-h);
        }
        .brand-mark{
            display:inline-flex;
            align-items:center;
            gap:.8rem;
            color:#fff !important;
            font-size:1.15rem;
            font-weight:800;
            letter-spacing:.02em;
        }
        .brand-badge{
            width:42px;
            height:42px;
            border-radius:14px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:linear-gradient(145deg, rgba(240,178,122,.22), rgba(198,106,60,.32));
            border:1px solid rgba(255,255,255,.14);
            box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
            color:#fff;
        }
        .brand-badge i{
            font-size:1rem;
        }
        .navbar .nav-link{
            color:rgba(255,255,255,.82);
            font-weight:600;
            padding:.6rem 1rem;
            border-radius:999px;
        }
        .navbar .nav-link:hover,
        .navbar .nav-link:focus{
            color:#fff;
            background:rgba(255,255,255,.08);
        }
        .navbar .nav-link.active{
            color:#fff;
            background:rgba(240,178,122,.14);
            border:1px solid rgba(240,178,122,.22);
        }
        .navbar-toggler{
            border:1px solid rgba(255,255,255,.18);
            border-radius:14px;
            padding:.45rem .65rem;
            color:#fff;
            box-shadow:none !important;
        }
        .navbar-toggler:focus{
            box-shadow:none;
        }
        .navbar-toggler-icon{
            filter:invert(1);
            opacity:.95;
        }
        .header-action{
            color:#fff;
            background:linear-gradient(135deg, var(--accent), var(--accent-3));
            border:0;
            border-radius:999px;
            padding:.8rem 1.2rem;
            font-weight:700;
            box-shadow:0 12px 28px rgba(198,106,60,.32);
            transition:var(--transition);
            white-space:nowrap;
        }
        .header-action:hover,
        .header-action:focus{
            transform:translateY(-1px);
            color:#fff;
            box-shadow:0 16px 30px rgba(198,106,60,.40);
        }

        .hero{
            position:relative;
            padding:0;
        }
        .hero-stage{
            position:relative;
            overflow:hidden;
            min-height:calc(100vh - var(--nav-h));
            color:#fff;
            background:
                radial-gradient(circle at 20% 20%, rgba(240,178,122,.18), transparent 24%),
                radial-gradient(circle at 88% 14%, rgba(255,255,255,.12), transparent 19%),
                radial-gradient(circle at 74% 84%, rgba(198,106,60,.18), transparent 23%),
                linear-gradient(135deg, #0f172a 0%, #17243a 45%, #212d48 100%);
        }
        .hero-stage::before,
        .hero-stage::after{
            content:"";
            position:absolute;
            inset:0;
            pointer-events:none;
        }
        .hero-stage::before{
            background:
                linear-gradient(180deg, rgba(7, 10, 18, .24), rgba(7, 10, 18, .56)),
                radial-gradient(circle at center, rgba(255,255,255,.08), transparent 38%);
            mix-blend-mode:normal;
        }
        .hero-stage::after{
            opacity:.22;
            background-image:
                linear-gradient(120deg, rgba(255,255,255,.03) 25%, transparent 25%),
                linear-gradient(300deg, rgba(255,255,255,.04) 25%, transparent 25%),
                linear-gradient(0deg, rgba(255,255,255,.02) 50%, transparent 50%);
            background-size:22px 22px, 32px 32px, 100% 100%;
            background-position:0 0, 0 0, 0 0;
            mix-blend-mode:screen;
        }
        .hero-inner{
            position:relative;
            z-index:2;
            min-height:calc(100vh - var(--nav-h));
            display:grid;
            grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);
            align-items:center;
            gap:2rem;
            padding-top:3rem;
            padding-bottom:3.5rem;
        }
        .hero-copy{
            max-width:760px;
            position:relative;
            z-index:2;
        }
        .hero-badge,
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:.5rem;
            border-radius:999px;
            padding:.44rem .86rem;
            font-size:.82rem;
            font-weight:800;
            letter-spacing:.04em;
            text-transform:uppercase;
        }
        .hero-badge{
            color:#ffe8d6;
            background:rgba(255,255,255,.08);
            border:1px solid rgba(255,255,255,.14);
            margin-bottom:1rem;
        }
        .eyebrow{
            color:var(--accent);
            background:rgba(198,106,60,.08);
            border:1px solid rgba(198,106,60,.10);
            margin-bottom:1rem;
        }
        .hero h1{
            margin:0;
            font-size:clamp(2.4rem, 5vw, 5rem);
            line-height:1.06;
            letter-spacing:-.04em;
            font-weight:900;
            text-wrap:balance;
        }
        .hero-lead{
            margin:1.2rem 0 0;
            max-width:42rem;
            color:rgba(255,255,255,.84);
            font-size:clamp(1rem, 1.4vw, 1.16rem);
            line-height:1.88;
        }
        .hero-meta{
            display:flex;
            flex-wrap:wrap;
            gap:.75rem;
            margin:1.35rem 0 0;
        }
        .hero-tag{
            display:inline-flex;
            align-items:center;
            gap:.45rem;
            padding:.5rem .8rem;
            border-radius:999px;
            background:rgba(255,255,255,.08);
            color:#fff;
            border:1px solid rgba(255,255,255,.14);
            font-size:.92rem;
            font-weight:600;
        }
        .hero-actions{
            display:flex;
            flex-wrap:wrap;
            gap:.8rem;
            margin-top:1.5rem;
        }
        .btn-main,
        .btn-alt,
        .btn-ghost{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:.5rem;
            border-radius:999px;
            padding:.92rem 1.25rem;
            font-weight:700;
            border:1px solid transparent;
            transition:var(--transition);
            box-shadow:none;
        }
        .btn-main{
            color:#fff;
            background:linear-gradient(135deg, var(--accent), #b95e34);
            box-shadow:0 14px 28px rgba(198,106,60,.32);
        }
        .btn-main:hover,
        .btn-main:focus{
            color:#fff;
            transform:translateY(-1px);
            box-shadow:0 18px 36px rgba(198,106,60,.42);
        }
        .btn-alt{
            color:#fff;
            background:rgba(255,255,255,.08);
            border-color:rgba(255,255,255,.14);
            backdrop-filter:blur(12px);
        }
        .btn-alt:hover,
        .btn-alt:focus{
            color:#fff;
            background:rgba(255,255,255,.14);
            transform:translateY(-1px);
        }
        .btn-ghost{
            color:#fff;
            background:transparent;
            border-color:rgba(255,255,255,.22);
        }
        .btn-ghost:hover,
        .btn-ghost:focus{
            color:#fff;
            background:rgba(255,255,255,.08);
            transform:translateY(-1px);
        }
        .btn i{
            font-size:.95em;
        }

        .hero-search{
            margin-top:1.35rem;
            max-width:38rem;
        }
        .hero-search .input-group{
            background:rgba(255,255,255,.08);
            border:1px solid rgba(255,255,255,.14);
            border-radius:18px;
            overflow:hidden;
            box-shadow:var(--shadow-soft);
        }
        .hero-search .input-group-text{
            background:transparent;
            border:0;
            color:rgba(255,255,255,.8);
            padding-left:1rem;
            padding-right:.4rem;
        }
        .hero-search .form-control{
            border:0;
            background:transparent;
            color:#fff;
            padding:1rem .95rem 1rem .4rem;
            min-height:56px;
        }
        .hero-search .form-control::placeholder{
            color:rgba(255,255,255,.56);
        }
        .hero-search .form-control:focus{
            box-shadow:none;
        }
        .hero-search .btn{
            border:0;
            border-radius:0;
            background:linear-gradient(135deg, rgba(240,178,122,.95), rgba(198,106,60,.96));
            color:#fff;
            font-weight:700;
            padding-inline:1.1rem;
        }
        .hero-search .btn:hover{
            color:#fff;
            filter:brightness(1.03);
        }

        .hero-side{
            position:relative;
            z-index:2;
            align-self:stretch;
            display:flex;
            align-items:center;
            justify-content:flex-end;
        }
        .hero-teaser{
            width:min(100%, 420px);
            background:rgba(255,255,255,.10);
            border:1px solid rgba(255,255,255,.16);
            border-radius:var(--radius-lg);
            padding:1.4rem 1.4rem 1.2rem;
            backdrop-filter:blur(16px);
            box-shadow:0 22px 60px rgba(0,0,0,.22);
        }
        .hero-teaser h2{
            color:#fff;
            margin:.3rem 0 .9rem;
            font-size:1.45rem;
            font-weight:800;
        }
        .hero-teaser .muted{
            color:rgba(255,255,255,.72);
        }
        .check-list{
            list-style:none;
            padding:0;
            margin:0;
            display:grid;
            gap:.78rem;
        }
        .check-list li{
            position:relative;
            padding-left:1.65rem;
            color:rgba(255,255,255,.86);
            line-height:1.7;
        }
        .check-list li::before{
            content:"";
            position:absolute;
            left:0;
            top:.55rem;
            width:.85rem;
            height:.85rem;
            border-radius:50%;
            background:linear-gradient(135deg, var(--accent-2), var(--accent));
            box-shadow:0 0 0 4px rgba(240,178,122,.12);
        }
        .hero-mini{
            margin-top:1rem;
            padding:.85rem 1rem;
            border-radius:16px;
            background:rgba(15,23,42,.30);
            border:1px dashed rgba(255,255,255,.16);
            color:rgba(255,255,255,.84);
            font-size:.95rem;
        }
        .hero-bottom{
            position:absolute;
            left:50%;
            bottom:1.5rem;
            transform:translateX(-50%);
            display:flex;
            flex-wrap:wrap;
            justify-content:center;
            gap:.75rem;
            z-index:2;
            width:calc(100% - 2rem);
        }
        .hero-stat{
            display:inline-flex;
            align-items:center;
            gap:.5rem;
            padding:.75rem 1rem;
            border-radius:999px;
            background:rgba(255,255,255,.08);
            border:1px solid rgba(255,255,255,.14);
            color:#fff;
            font-weight:700;
            box-shadow:0 10px 24px rgba(0,0,0,.18);
        }
        .play-fab{
            position:absolute;
            left:50%;
            top:52%;
            transform:translate(-50%, -50%);
            z-index:3;
            width:90px;
            height:90px;
            border-radius:50%;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#fff;
            background:linear-gradient(135deg, rgba(240,178,122,.92), rgba(198,106,60,.95));
            box-shadow:0 20px 42px rgba(0,0,0,.28);
            border:1px solid rgba(255,255,255,.22);
            transition:var(--transition);
        }
        .play-fab::before{
            content:"";
            position:absolute;
            inset:-14px;
            border-radius:50%;
            border:1px solid rgba(255,255,255,.16);
            opacity:.55;
            animation:pulse 2.5s infinite;
        }
        .play-fab:hover{
            transform:translate(-50%, -50%) scale(1.04);
            color:#fff;
        }
        .play-fab i{
            position:relative;
            left:2px;
            font-size:1.3rem;
        }

        @keyframes pulse{
            0%{transform:scale(.92); opacity:.55}
            60%{transform:scale(1.07); opacity:.12}
            100%{transform:scale(1.12); opacity:0}
        }

        main{
            position:relative;
        }
        section{
            padding:5.2rem 0;
            scroll-margin-top:95px;
        }
        .section-head{
            max-width:760px;
            margin:0 auto 1.9rem;
        }
        .section-head.center{
            text-align:center;
        }
        .section-head h2{
            margin:0;
            font-size:clamp(1.8rem, 3vw, 3rem);
            line-height:1.15;
            letter-spacing:-.03em;
            font-weight:900;
            text-wrap:balance;
        }
        .section-head p{
            margin:.95rem 0 0;
            color:var(--muted);
            line-height:1.9;
            font-size:1.02rem;
        }
        .section-soft{
            background:linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.82));
            border-top:1px solid rgba(216,224,234,.35);
            border-bottom:1px solid rgba(216,224,234,.35);
        }

        .soft-card,
        .glass-card,
        .metric-card,
        .topic-card,
        .news-card,
        .guide-card,
        .assurance-card,
        .step-card,
        .spotlight-card,
        .comparison-card,
        .faq-wrap,
        .cta-card{
            background:rgba(255,255,255,.84);
            border:1px solid var(--line);
            border-radius:var(--radius);
            box-shadow:var(--shadow-soft);
        }
        .soft-card{
            padding:1.25rem;
        }
        .muted{
            color:var(--muted);
        }
        .badge-soft{
            display:inline-flex;
            align-items:center;
            gap:.35rem;
            padding:.4rem .72rem;
            border-radius:999px;
            background:rgba(198,106,60,.09);
            color:var(--accent);
            border:1px solid rgba(198,106,60,.12);
            font-weight:700;
            font-size:.86rem;
        }

        .calendar-grid{
            display:grid;
            grid-template-columns:repeat(4, minmax(0, 1fr));
            gap:1rem;
        }
        .timeline-card{
            position:relative;
            padding:1.35rem 1.2rem 1.15rem;
            background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.78));
            border:1px solid var(--line);
            border-radius:24px;
            box-shadow:var(--shadow-soft);
            transition:var(--transition);
            min-height:220px;
        }
        .timeline-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow);
            border-color:rgba(198,106,60,.18);
        }
        .timeline-card .day{
            display:inline-flex;
            align-items:center;
            gap:.4rem;
            padding:.35rem .72rem;
            border-radius:999px;
            background:rgba(15,23,42,.06);
            color:var(--surface-strong);
            font-size:.84rem;
            font-weight:700;
        }
        .timeline-card h3{
            margin:1rem 0 .75rem;
            font-size:1.18rem;
            line-height:1.45;
            font-weight:800;
            letter-spacing:-.02em;
        }
        .timeline-card p{
            margin:0;
            color:var(--muted);
            line-height:1.82;
        }
        .timeline-card .footer-line{
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:.75rem;
            margin-top:1rem;
            padding-top:1rem;
            border-top:1px solid var(--line);
            color:var(--accent);
            font-size:.9rem;
            font-weight:700;
        }

        .topic-grid{
            display:grid;
            grid-template-columns:repeat(12, minmax(0,1fr));
            gap:1rem;
        }
        .topic-card{
            position:relative;
            overflow:hidden;
            padding:1.2rem;
            transition:var(--transition);
            min-height:200px;
        }
        .topic-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow);
            border-color:rgba(198,106,60,.18);
        }
        .topic-feature{
            grid-column:span 7;
            min-height:320px;
            background:
                radial-gradient(circle at top right, rgba(240,178,122,.16), transparent 24%),
                linear-gradient(180deg, #fff, #fbfcfe);
        }
        .topic-spotlight{
            grid-column:span 5;
            min-height:320px;
            background:
                linear-gradient(135deg, rgba(15,23,42,.94), rgba(30,41,59,.94)),
                linear-gradient(180deg, rgba(15,23,42,.9), rgba(17,25,43,.9));
            color:#fff;
        }
        .topic-spotlight .muted,
        .topic-spotlight p{
            color:rgba(255,255,255,.76);
        }
        .topic-mini{
            grid-column:span 3;
            min-height:188px;
            background:linear-gradient(180deg, rgba(255,255,255,.94), rgba(255,255,255,.78));
        }
        .topic-card h3{
            margin:.9rem 0 .6rem;
            font-size:1.2rem;
            line-height:1.45;
            font-weight:800;
        }
        .topic-card p{
            margin:0;
            color:var(--muted);
            line-height:1.8;
        }
        .topic-hero-cover{
            height:128px;
            border-radius:22px;
            background:
                radial-gradient(circle at 20% 25%, rgba(255,255,255,.18), transparent 25%),
                linear-gradient(135deg, rgba(198,106,60,.96), rgba(28,37,58,.96));
            position:relative;
            overflow:hidden;
        }
        .topic-hero-cover::after{
            content:"";
            position:absolute;
            inset:18px;
            border-radius:16px;
            border:1px solid rgba(255,255,255,.16);
        }
        .topic-hero-cover .cover-label{
            position:absolute;
            left:1rem;
            bottom:1rem;
            display:inline-flex;
            align-items:center;
            gap:.4rem;
            padding:.34rem .72rem;
            border-radius:999px;
            background:rgba(255,255,255,.12);
            color:#fff;
            border:1px solid rgba(255,255,255,.18);
            font-size:.82rem;
            font-weight:700;
        }
        .topic-note{
            margin-top:1rem;
            padding-top:1rem;
            border-top:1px solid var(--line);
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:1rem;
            font-size:.92rem;
            color:var(--muted);
        }
        .topic-note strong{
            color:var(--text);
        }
        .topic-list{
            list-style:none;
            padding:0;
            margin:1rem 0 0;
            display:grid;
            gap:.7rem;
        }
        .topic-list li{
            display:flex;
            align-items:flex-start;
            gap:.7rem;
            color:inherit;
        }
        .topic-list i{
            color:var(--accent-2);
            margin-top:.22rem;
        }

        .dashboard-grid{
            display:grid;
            grid-template-columns:1.05fr .95fr;
            gap:1rem;
            align-items:start;
        }
        .metric-grid{
            display:grid;
            grid-template-columns:repeat(2, minmax(0,1fr));
            gap:1rem;
        }
        .metric-card{
            padding:1.2rem 1.15rem 1rem;
            transition:var(--transition);
        }
        .metric-card:hover{
            transform:translateY(-3px);
            box-shadow:var(--shadow);
            border-color:rgba(198,106,60,.18);
        }
        .metric-card .num{
            font-size:2rem;
            font-weight:900;
            letter-spacing:-.04em;
            line-height:1;
            margin:.5rem 0 .65rem;
        }
        .metric-card .label{
            color:var(--muted);
            font-weight:700;
            font-size:.92rem;
        }
        .metric-track{
            height:8px;
            border-radius:999px;
            background:#e9eef5;
            overflow:hidden;
            margin-top:.8rem;
        }
        .metric-track span{
            display:block;
            height:100%;
            border-radius:inherit;
            background:linear-gradient(90deg, var(--accent-2), var(--accent));
        }
        .metric-card .hint{
            margin:.7rem 0 0;
            color:var(--muted);
            font-size:.9rem;
            line-height:1.7;
        }
        .comparison-card{
            padding:1.25rem;
        }
        .comparison-card h3{
            margin:0 0 .35rem;
            font-size:1.28rem;
            font-weight:800;
        }
        .comparison-card p{
            margin:0 0 1rem;
            color:var(--muted);
        }
        .comparison-table{
            margin:0;
            width:100%;
            border-collapse:separate;
            border-spacing:0;
            overflow:hidden;
            border:1px solid var(--line);
            border-radius:18px;
            background:#fff;
        }
        .comparison-table thead th{
            background:#f7f9fc;
            color:var(--surface-strong);
            padding:.95rem .9rem;
            font-weight:800;
            font-size:.93rem;
            border-bottom:1px solid var(--line);
        }
        .comparison-table tbody td{
            padding:.95rem .9rem;
            vertical-align:top;
            border-bottom:1px solid var(--line);
            color:var(--text);
            line-height:1.65;
        }
        .comparison-table tbody tr:last-child td{
            border-bottom:0;
        }
        .comparison-table .recommended{
            background:rgba(240,178,122,.12);
        }
        .comparison-table .recommend-tag{
            display:inline-flex;
            align-items:center;
            gap:.35rem;
            padding:.35rem .65rem;
            border-radius:999px;
            background:rgba(198,106,60,.10);
            color:var(--accent);
            border:1px solid rgba(198,106,60,.14);
            font-weight:700;
            font-size:.82rem;
        }
        .comparison-foot{
            margin-top:.9rem;
            display:flex;
            gap:.75rem;
            align-items:center;
            color:var(--muted);
            font-size:.92rem;
            line-height:1.7;
        }
        .comparison-foot strong{
            color:var(--text);
        }

        .news-grid{
            display:grid;
            grid-template-columns:1.1fr .9fr;
            gap:1rem;
            align-items:start;
        }
        .news-list{
            list-style:none;
            padding:0;
            margin:0;
            display:grid;
            gap:.9rem;
        }
        .news-item{
            display:block;
            padding:1.1rem 1.05rem;
            background:rgba(255,255,255,.86);
            border:1px solid var(--line);
            border-radius:20px;
            box-shadow:var(--shadow-soft);
            transition:var(--transition);
        }
        .news-item:hover{
            transform:translateY(-3px);
            border-color:rgba(198,106,60,.18);
            box-shadow:var(--shadow);
        }
        .news-item .meta{
            display:flex;
            align-items:center;
            gap:.55rem;
            margin-bottom:.5rem;
            color:var(--muted);
            font-size:.86rem;
        }
        .news-item .meta .dot{
            width:6px;
            height:6px;
            border-radius:50%;
            background:var(--accent-2);
        }
        .news-item h3{
            margin:0;
            font-size:1.05rem;
            line-height:1.55;
            font-weight:800;
        }
        .news-item p{
            margin:.6rem 0 0;
            color:var(--muted);
            line-height:1.78;
        }
        .news-aside{
            position:sticky;
            top:calc(var(--nav-h) + 18px);
            padding:1.25rem;
        }
        .news-aside h3{
            margin:0 0 .35rem;
            font-size:1.25rem;
            font-weight:800;
        }
        .news-aside p{
            margin:0 0 1rem;
            color:var(--muted);
        }
        .mini-list{
            list-style:none;
            padding:0;
            margin:0;
            display:grid;
            gap:.8rem;
        }
        .mini-list li{
            display:flex;
            gap:.75rem;
            align-items:flex-start;
            color:var(--text);
            line-height:1.7;
        }
        .mini-list i{
            color:var(--accent);
            margin-top:.25rem;
        }
        .news-callout{
            margin-top:1rem;
            padding:1rem 1rem .95rem;
            border-radius:18px;
            background:linear-gradient(135deg, rgba(15,23,42,.95), rgba(26,37,59,.95));
            color:#fff;
        }
        .news-callout p{
            color:rgba(255,255,255,.78);
            margin:.45rem 0 0;
        }

        .guide-grid{
            display:grid;
            grid-template-columns:1fr .86fr;
            gap:1rem;
            align-items:start;
        }
        .guide-steps{
            display:grid;
            grid-template-columns:repeat(3, minmax(0,1fr));
            gap:1rem;
        }
        .step-card{
            padding:1.2rem;
            transition:var(--transition);
            min-height:220px;
        }
        .step-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow);
            border-color:rgba(198,106,60,.18);
        }
        .step-no{
            width:42px;
            height:42px;
            border-radius:14px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:linear-gradient(135deg, rgba(240,178,122,.22), rgba(198,106,60,.12));
            color:var(--accent);
            font-weight:900;
        }
        .step-card h3{
            margin:1rem 0 .55rem;
            font-size:1.16rem;
            font-weight:800;
        }
        .step-card p{
            margin:0;
            color:var(--muted);
            line-height:1.8;
        }
        .guide-side{
            padding:1.25rem;
            position:sticky;
            top:calc(var(--nav-h) + 18px);
        }
        .guide-side h3{
            margin:0 0 .35rem;
            font-size:1.25rem;
            font-weight:800;
        }
        .guide-side p{
            margin:0 0 1rem;
            color:var(--muted);
        }
        .guide-checklist{
            list-style:none;
            padding:0;
            margin:0;
            display:grid;
            gap:.8rem;
        }
        .guide-checklist li{
            padding:.85rem .95rem;
            border-radius:16px;
            background:#f8fafc;
            border:1px solid var(--line);
            display:flex;
            gap:.7rem;
            align-items:flex-start;
            color:var(--text);
            line-height:1.7;
        }
        .guide-checklist i{
            color:var(--accent);
            margin-top:.25rem;
        }

        .assurance-grid{
            display:grid;
            grid-template-columns:repeat(4, minmax(0,1fr));
            gap:1rem;
        }
        .assurance-card{
            padding:1.2rem 1.1rem;
            min-height:170px;
            transition:var(--transition);
        }
        .assurance-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow);
            border-color:rgba(198,106,60,.18);
        }
        .assurance-icon{
            width:48px;
            height:48px;
            border-radius:16px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:linear-gradient(135deg, rgba(240,178,122,.22), rgba(198,106,60,.16));
            color:var(--accent);
            margin-bottom:.9rem;
        }
        .assurance-card h3{
            font-size:1.12rem;
            font-weight:800;
            letter-spacing:-.02em;
        }
        .assurance-card p{
            margin:0;
            color:var(--muted);
            line-height:1.78;
        }

        .faq-wrap{
            padding:1.25rem;
            overflow:hidden;
        }
        .accordion{
            display:grid;
            gap:.8rem;
        }
        .accordion-item{
            border:1px solid var(--line);
            border-radius:18px !important;
            overflow:hidden;
            background:#fff;
            box-shadow:none;
        }
        .accordion-button{
            padding:1rem 1.05rem;
            font-weight:800;
            color:var(--text);
            background:#fff;
            box-shadow:none !important;
            line-height:1.6;
        }
        .accordion-button:not(.collapsed){
            color:var(--accent);
            background:rgba(198,106,60,.07);
        }
        .accordion-button::after{
            width:1rem;
            height:1rem;
            background-size:1rem;
            filter:saturate(.6);
        }
        .accordion-body{
            padding:0 1.05rem 1.1rem;
            color:var(--muted);
            line-height:1.9;
            background:rgba(255,255,255,.96);
        }

        .cta-section{
            padding-top:0;
        }
        .cta-card{
            position:relative;
            overflow:hidden;
            display:grid;
            grid-template-columns:1fr .72fr;
            gap:1.2rem;
            align-items:center;
            padding:1.4rem;
            background:
                radial-gradient(circle at 18% 16%, rgba(240,178,122,.20), transparent 27%),
                linear-gradient(135deg, rgba(15,23,42,.98), rgba(28,40,62,.97));
            color:#fff;
            border-color:rgba(255,255,255,.12);
            box-shadow:0 24px 70px rgba(15,23,42,.24);
        }
        .cta-card h2{
            margin:0;
            font-size:clamp(1.7rem, 3vw, 2.65rem);
            line-height:1.18;
            font-weight:900;
            letter-spacing:-.03em;
        }
        .cta-card p{
            margin:.85rem 0 0;
            color:rgba(255,255,255,.76);
            line-height:1.9;
        }
        .lead-form{
            background:rgba(255,255,255,.10);
            border:1px solid rgba(255,255,255,.14);
            border-radius:24px;
            padding:1.1rem;
            backdrop-filter:blur(12px);
        }
        .lead-form label{
            color:rgba(255,255,255,.82);
            font-weight:700;
            margin-bottom:.45rem;
        }
        .lead-form .form-control,
        .lead-form .form-select{
            min-height:52px;
            border-radius:15px;
            border:1px solid rgba(255,255,255,.14);
            background:rgba(255,255,255,.92);
            color:var(--text);
            box-shadow:none;
        }
        .lead-form .form-control:focus,
        .lead-form .form-select:focus{
            border-color:var(--accent-2);
            box-shadow:0 0 0 4px rgba(240,178,122,.18);
        }
        .lead-form .small-tip{
            margin:.75rem 0 0;
            color:rgba(255,255,255,.64);
            line-height:1.7;
            font-size:.86rem;
        }

        .site-footer{
            background:#0f172a;
            color:rgba(255,255,255,.78);
            padding:3.2rem 0 1.6rem;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.1fr .9fr;
            gap:2rem;
            align-items:start;
        }
        .footer-brand{
            display:inline-flex;
            align-items:center;
            gap:.65rem;
            color:#fff;
            font-weight:900;
            letter-spacing:-.02em;
            font-size:1.15rem;
            margin-bottom:.9rem;
        }
        .footer-brand span{
            width:38px;
            height:38px;
            border-radius:12px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:linear-gradient(135deg, var(--accent-2), var(--accent));
            color:#fff;
            box-shadow:0 10px 24px rgba(198,106,60,.26);
        }
        .site-footer p{
            margin:0;
            line-height:1.9;
            max-width:620px;
        }
        .footer-links{
            display:flex;
            flex-wrap:wrap;
            gap:.7rem;
            justify-content:flex-end;
            margin-bottom:1rem;
        }
        .footer-links a{
            color:rgba(255,255,255,.78);
            padding:.5rem .75rem;
            border-radius:999px;
            border:1px solid rgba(255,255,255,.10);
            background:rgba(255,255,255,.04);
        }
        .footer-links a:hover,
        .footer-links a:focus{
            color:#fff;
            background:rgba(255,255,255,.08);
        }
        .copyright{
            margin-top:2rem;
            padding-top:1.2rem;
            border-top:1px solid rgba(255,255,255,.10);
            display:flex;
            justify-content:space-between;
            gap:1rem;
            flex-wrap:wrap;
            color:rgba(255,255,255,.58);
            font-size:.92rem;
        }

        .floating-cta{
            position:fixed;
            left:50%;
            bottom:18px;
            transform:translateX(-50%);
            z-index:1030;
            display:flex;
            align-items:center;
            gap:.75rem;
            width:min(680px, calc(100% - 24px));
            padding:.72rem .78rem .72rem 1rem;
            border-radius:999px;
            background:rgba(15,23,42,.90);
            color:#fff;
            border:1px solid rgba(255,255,255,.12);
            box-shadow:0 18px 45px rgba(15,23,42,.26);
            backdrop-filter:blur(12px);
        }
        .floating-cta span{
            flex:1;
            white-space:nowrap;
            overflow:hidden;
            text-overflow:ellipsis;
            font-weight:700;
            font-size:.92rem;
        }
        .floating-cta a{
            color:#fff;
            background:linear-gradient(135deg, var(--accent-2), var(--accent));
            border-radius:999px;
            padding:.58rem .95rem;
            font-weight:800;
            white-space:nowrap;
        }
        .floating-cta a:hover{
            color:#fff;
            filter:brightness(1.03);
        }

        @media (max-width: 1199.98px){
            .hero-inner{
                grid-template-columns:1fr;
                align-items:end;
                padding-bottom:7.5rem;
            }
            .hero-side{
                justify-content:flex-start;
            }
            .play-fab{
                left:auto;
                right:2.5rem;
                top:50%;
            }
            .calendar-grid,
            .assurance-grid{
                grid-template-columns:repeat(2, minmax(0,1fr));
            }
            .topic-feature,
            .topic-spotlight{
                grid-column:span 6;
            }
            .topic-mini{
                grid-column:span 6;
            }
            .dashboard-grid,
            .news-grid,
            .guide-grid,
            .cta-card{
                grid-template-columns:1fr;
            }
            .news-aside,
            .guide-side{
                position:static;
            }
        }
        @media (max-width: 991.98px){
            :root{
                --nav-h:68px;
            }
            .navbar-collapse{
                margin-top:.8rem;
                padding:.8rem;
                border-radius:18px;
                background:rgba(15,23,42,.96);
                border:1px solid rgba(255,255,255,.10);
                box-shadow:0 18px 44px rgba(0,0,0,.22);
            }
            .header-action{
                width:100%;
                justify-content:center;
                margin-top:.6rem;
            }
            section{
                padding:4.1rem 0;
            }
            .guide-steps{
                grid-template-columns:1fr;
            }
            .footer-grid{
                grid-template-columns:1fr;
            }
            .footer-links{
                justify-content:flex-start;
            }
        }
        @media (max-width: 767.98px){
            .hero-stage,
            .hero-inner{
                min-height:auto;
            }
            .hero-inner{
                padding-top:3rem;
                padding-bottom:7rem;
            }
            .hero h1{
                font-size:clamp(2.2rem, 12vw, 3.4rem);
            }
            .hero-lead{
                line-height:1.82;
            }
            .hero-search .input-group{
                display:block;
                border-radius:20px;
                overflow:hidden;
            }
            .hero-search .input-group-text{
                display:none;
            }
            .hero-search .form-control{
                width:100%;
                padding:1rem;
                min-height:54px;
            }
            .hero-search .btn{
                width:100%;
                border-radius:0;
                min-height:48px;
            }
            .play-fab{
                width:70px;
                height:70px;
                right:1.2rem;
                top:52%;
            }
            .hero-bottom{
                bottom:1rem;
                justify-content:flex-start;
                overflow-x:auto;
                flex-wrap:nowrap;
                padding-bottom:.15rem;
            }
            .hero-stat{
                flex:0 0 auto;
            }
            .calendar-grid,
            .metric-grid,
            .assurance-grid{
                grid-template-columns:1fr;
            }
            .topic-grid{
                grid-template-columns:1fr;
            }
            .topic-feature,
            .topic-spotlight,
            .topic-mini{
                grid-column:auto;
                min-height:auto;
            }
            .comparison-card{
                overflow-x:auto;
            }
            .comparison-table{
                min-width:640px;
            }
            .cta-card{
                padding:1.15rem;
                border-radius:24px;
            }
            .floating-cta{
                border-radius:20px;
                align-items:flex-start;
            }
            .floating-cta span{
                white-space:normal;
                line-height:1.5;
            }
        }
        @media (max-width: 520px){
            .brand-text{
                font-size:1rem;
            }
            .hero-actions{
                display:grid;
                grid-template-columns:1fr;
            }
            .btn-main,
            .btn-alt,
            .btn-ghost{
                width:100%;
            }
            .timeline-card,
            .topic-card,
            .metric-card,
            .news-item,
            .step-card,
            .assurance-card,
            .faq-wrap,
            .lead-form{
                border-radius:20px;
            }
            .copyright{
                display:block;
            }
        }

/* 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}