/* roulang page: index */
:root{
            --bg: #f5f8fc;
            --bg-soft: #eef3f9;
            --panel: rgba(255,255,255,.82);
            --panel-strong: #ffffff;
            --line: rgba(58,86,128,.14);
            --line-strong: rgba(58,86,128,.22);
            --text: #142033;
            --muted: #5f6f85;
            --muted-2: #7c8ca4;
            --primary: #1f4e79;
            --primary-2: #356da0;
            --accent: #f36f5f;
            --accent-soft: rgba(243,111,95,.12);
            --shadow: 0 18px 45px rgba(23, 43, 77, .09);
            --shadow-sm: 0 10px 24px rgba(23, 43, 77, .08);
            --radius: 20px;
            --radius-sm: 14px;
            --container: 1240px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--text);
            font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
            line-height:1.7;
            background:
                radial-gradient(circle at top left, rgba(53,109,160,.12), transparent 28%),
                radial-gradient(circle at top right, rgba(243,111,95,.08), transparent 24%),
                linear-gradient(180deg, #fbfdff 0%, var(--bg) 34%, #f7f9fd 100%);
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input,textarea{font:inherit}
        ::selection{background:rgba(31,78,121,.18);color:#0f1724}
        .container{
            width:min(calc(100% - 32px), var(--container));
            margin:0 auto;
        }
        .topbar{
            position:sticky;
            top:0;
            z-index:50;
            backdrop-filter:saturate(180%) blur(18px);
            background:rgba(245,248,252,.84);
            border-bottom:1px solid rgba(58,86,128,.10);
        }
        .nav-shell{
            display:flex;
            align-items:center;
            gap:18px;
            padding:16px 0;
        }
        .brand{
            flex:0 0 auto;
            display:flex;
            align-items:center;
            gap:12px;
            min-width:220px;
        }
        .brand-mark{
            width:42px;height:42px;border-radius:14px;
            background:linear-gradient(145deg, var(--primary), var(--primary-2));
            box-shadow:0 12px 24px rgba(31,78,121,.25);
            position:relative;
            flex:0 0 auto;
        }
        .brand-mark:before,
        .brand-mark:after{
            content:"";
            position:absolute;
            inset:auto;
            border-radius:999px;
            background:#fff;
            opacity:.95;
        }
        .brand-mark:before{
            width:18px;height:4px;left:12px;top:13px;
        }
        .brand-mark:after{
            width:10px;height:10px;right:11px;bottom:11px;
        }
        .brand-text{
            display:flex;
            flex-direction:column;
            line-height:1.2;
        }
        .brand-text strong{
            font-size:17px;
            letter-spacing:.02em;
        }
        .brand-text span{
            font-size:12px;color:var(--muted-2);
            margin-top:4px;
        }
        .nav-tabs{
            flex:1 1 auto;
            display:flex;
            align-items:center;
            gap:10px;
            overflow:auto;
            padding:4px 2px;
            scrollbar-width:none;
        }
        .nav-tabs::-webkit-scrollbar{display:none}
        .nav-chip{
            flex:0 0 auto;
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:10px 15px;
            border:1px solid var(--line);
            border-radius:999px;
            background:rgba(255,255,255,.72);
            color:#27405f;
            box-shadow:0 8px 18px rgba(23,43,77,.05);
            transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
            white-space:nowrap;
        }
        .nav-chip:hover,
        .nav-chip:focus-visible{
            transform:translateY(-1px);
            border-color:rgba(31,78,121,.28);
            box-shadow:0 14px 26px rgba(23,43,77,.09);
            outline:none;
        }
        .nav-chip.active{
            background:linear-gradient(145deg, rgba(31,78,121,.98), rgba(53,109,160,.95));
            color:#fff;
            border-color:transparent;
            box-shadow:0 16px 28px rgba(31,78,121,.25);
        }
        .cta-wrap{
            flex:0 0 auto;
        }
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            padding:12px 18px;
            border-radius:999px;
            border:1px solid transparent;
            transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
            cursor:pointer;
            font-weight:600;
            letter-spacing:.01em;
            white-space:nowrap;
        }
        .btn:hover,
        .btn:focus-visible{
            transform:translateY(-1px);
            outline:none;
        }
        .btn-primary{
            background:linear-gradient(145deg, var(--primary), var(--primary-2));
            color:#fff;
            box-shadow:0 14px 28px rgba(31,78,121,.20);
        }
        .btn-primary:hover,
        .btn-primary:focus-visible{
            box-shadow:0 18px 36px rgba(31,78,121,.24);
        }
        .btn-secondary{
            background:#fff;
            color:var(--primary);
            border-color:rgba(31,78,121,.18);
            box-shadow:0 12px 22px rgba(23,43,77,.06);
        }
        .btn-secondary:hover,
        .btn-secondary:focus-visible{
            border-color:rgba(31,78,121,.30);
        }
        .section{
            padding:30px 0;
        }
        .section-lg{
            padding:48px 0;
        }
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:7px 12px;
            border-radius:999px;
            border:1px solid rgba(31,78,121,.14);
            background:rgba(255,255,255,.78);
            color:var(--primary);
            font-size:13px;
            font-weight:600;
        }
        .eyebrow-dot{
            width:8px;height:8px;border-radius:999px;background:var(--accent);
            box-shadow:0 0 0 4px rgba(243,111,95,.12);
        }
        .hero{
            padding:34px 0 22px;
        }
        .hero-grid{
            display:grid;
            grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
            gap:28px;
            align-items:stretch;
        }
        .hero-copy{
            padding:14px 0;
        }
        h1{
            margin:14px 0 16px;
            font-size:clamp(2.2rem, 4vw, 4.05rem);
            line-height:1.08;
            letter-spacing:-.03em;
        }
        .hero-copy p{
            margin:0;
            max-width:46rem;
            font-size:1.03rem;
            color:var(--muted);
        }
        .hero-actions{
            display:flex;
            flex-wrap:wrap;
            gap:12px;
            margin-top:26px;
        }
        .meta-tags{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
            margin-top:22px;
        }
        .tag{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:9px 12px;
            border-radius:999px;
            background:#fff;
            border:1px solid var(--line);
            color:#36516f;
            font-size:13px;
            box-shadow:0 10px 20px rgba(23,43,77,.05);
        }
        .tag strong{color:var(--primary)}
        .hero-panel{
            position:relative;
            border:1px solid rgba(58,86,128,.14);
            border-radius:26px;
            background:
                linear-gradient(180deg, rgba(255,255,255,.95), rgba(247,250,255,.92)),
                linear-gradient(145deg, rgba(31,78,121,.08), rgba(243,111,95,.05));
            box-shadow:var(--shadow);
            overflow:hidden;
            padding:18px;
        }
        .hero-panel:before{
            content:"";
            position:absolute;
            inset:0;
            background:
                linear-gradient(90deg, rgba(31,78,121,.05) 1px, transparent 1px),
                linear-gradient(180deg, rgba(31,78,121,.05) 1px, transparent 1px);
            background-size:22px 22px;
            opacity:.55;
            pointer-events:none;
            mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 95%);
        }
        .panel-grid{
            position:relative;
            display:grid;
            grid-template-columns:1.05fr .95fr;
            gap:14px;
            min-height:100%;
        }
        .panel-card{
            border-radius:20px;
            border:1px solid rgba(58,86,128,.12);
            background:rgba(255,255,255,.92);
            box-shadow:0 12px 22px rgba(23,43,77,.06);
            padding:16px;
            transition:transform .18s ease, box-shadow .18s ease;
        }
        .panel-card:hover{
            transform:translateY(-2px);
            box-shadow:0 18px 30px rgba(23,43,77,.10);
        }
        .panel-main{
            display:flex;
            flex-direction:column;
            justify-content:space-between;
            gap:14px;
            min-height:100%;
        }
        .panel-head{
            display:flex;
            justify-content:space-between;
            align-items:flex-start;
            gap:12px;
        }
        .panel-head strong{
            font-size:16px;
        }
        .panel-head span{
            font-size:12px;
            color:var(--muted-2);
        }
        .stack{
            display:grid;
            gap:12px;
        }
        .mini-step{
            display:flex;
            gap:12px;
            align-items:flex-start;
            padding:12px;
            border-radius:16px;
            border:1px solid rgba(31,78,121,.10);
            background:linear-gradient(180deg, #fff, #fbfdff);
        }
        .mini-step .num{
            width:32px;height:32px;border-radius:12px;
            display:grid;place-items:center;
            background:rgba(31,78,121,.10);
            color:var(--primary);
            font-weight:700;
            flex:0 0 auto;
        }
        .mini-step h3{
            margin:0 0 3px;
            font-size:14px;
        }
        .mini-step p{
            margin:0;
            color:var(--muted);
            font-size:13px;
            line-height:1.55;
        }
        .mini-chips{
            display:flex;
            flex-wrap:wrap;
            gap:8px;
        }
        .mini-chip{
            padding:8px 10px;
            border-radius:999px;
            background:var(--bg-soft);
            color:#38506f;
            font-size:12px;
            border:1px solid rgba(31,78,121,.10);
        }
        .accent-box{
            background:linear-gradient(160deg, rgba(31,78,121,.95), rgba(53,109,160,.88));
            color:#fff;
            border:0;
            position:relative;
            overflow:hidden;
        }
        .accent-box:after{
            content:"";
            position:absolute;
            width:180px;height:180px;
            border-radius:999px;
            right:-76px;top:-72px;
            background:rgba(255,255,255,.10);
        }
        .accent-box .eyebrow{
            background:rgba(255,255,255,.12);
            color:#fff;
            border-color:rgba(255,255,255,.18);
        }
        .accent-box p,.accent-box span,.accent-box li{
            color:rgba(255,255,255,.88);
        }
        .info-slab{
            display:grid;
            grid-template-columns:repeat(3, minmax(0, 1fr));
            gap:14px;
            margin-top:14px;
        }
        .info-card{
            padding:16px;
            border-radius:18px;
            border:1px solid rgba(58,86,128,.12);
            background:#fff;
            box-shadow:0 10px 20px rgba(23,43,77,.05);
        }
        .info-card strong{
            display:block;
            font-size:18px;
            color:var(--primary);
            margin-bottom:4px;
        }
        .info-card span{
            color:var(--muted);
            font-size:13px;
        }
        .section-title{
            display:flex;
            justify-content:space-between;
            align-items:flex-end;
            gap:18px;
            margin-bottom:18px;
        }
        .section-title h2{
            margin:0;
            font-size:clamp(1.55rem, 2vw, 2.2rem);
            line-height:1.15;
            letter-spacing:-.02em;
        }
        .section-title p{
            margin:0;
            max-width:48rem;
            color:var(--muted);
            font-size:15px;
        }
        .timeline-wrap{
            border:1px solid rgba(58,86,128,.12);
            border-radius:24px;
            background:rgba(255,255,255,.78);
            box-shadow:var(--shadow-sm);
            padding:20px;
        }
        .timeline{
            display:grid;
            grid-template-columns:repeat(5, minmax(0, 1fr));
            gap:14px;
            position:relative;
        }
        .timeline:before{
            content:"";
            position:absolute;
            left:10%;
            right:10%;
            top:28px;
            height:2px;
            background:linear-gradient(90deg, rgba(31,78,121,.18), rgba(243,111,95,.34), rgba(31,78,121,.18));
            z-index:0;
        }
        .time-card{
            position:relative;
            z-index:1;
            padding:16px 14px;
            border-radius:18px;
            border:1px solid rgba(58,86,128,.11);
            background:linear-gradient(180deg, #fff, #fbfdff);
            box-shadow:0 10px 22px rgba(23,43,77,.05);
            min-height:170px;
        }
        .time-card .step{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            width:44px;height:44px;
            border-radius:16px;
            background:rgba(31,78,121,.10);
            color:var(--primary);
            font-weight:800;
            margin-bottom:14px;
        }
        .time-card h3{
            margin:0 0 8px;
            font-size:15px;
        }
        .time-card p{
            margin:0;
            color:var(--muted);
            font-size:13px;
            line-height:1.6;
        }
        .highlight-grid{
            display:grid;
            grid-template-columns:repeat(4, minmax(0, 1fr));
            gap:16px;
        }
        .highlight-card{
            border-radius:20px;
            padding:18px;
            border:1px solid rgba(58,86,128,.12);
            background:linear-gradient(180deg, rgba(255,255,255,.97), rgba(245,248,252,.96));
            box-shadow:var(--shadow-sm);
            min-height:200px;
            position:relative;
            overflow:hidden;
        }
        .highlight-card:before{
            content:"";
            position:absolute;
            top:0;left:0;right:0;
            height:4px;
            background:linear-gradient(90deg, var(--primary), var(--primary-2), rgba(243,111,95,.88));
        }
        .highlight-tag{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-width:38px;
            padding:7px 10px;
            border-radius:999px;
            background:var(--accent-soft);
            color:#c64f41;
            font-size:12px;
            font-weight:700;
            margin-bottom:12px;
        }
        .highlight-card h3{
            margin:0 0 8px;
            font-size:16px;
        }
        .highlight-card p{
            margin:0;
            color:var(--muted);
            font-size:14px;
        }
        .compare-grid{
            display:grid;
            grid-template-columns:repeat(3, minmax(0, 1fr));
            gap:16px;
        }
        .compare-card{
            border-radius:22px;
            border:1px solid rgba(58,86,128,.12);
            background:#fff;
            box-shadow:var(--shadow-sm);
            padding:20px;
            display:flex;
            flex-direction:column;
            gap:14px;
            transition:transform .18s ease, box-shadow .18s ease;
        }
        .compare-card:hover{
            transform:translateY(-2px);
            box-shadow:0 18px 32px rgba(23,43,77,.10);
        }
        .compare-card.featured{
            background:
                linear-gradient(180deg, rgba(31,78,121,.94), rgba(53,109,160,.92));
            color:#fff;
        }
        .compare-card.featured .muted,
        .compare-card.featured li{
            color:rgba(255,255,255,.86);
        }
        .compare-card h3{
            margin:0;
            font-size:20px;
        }
        .compare-card p{
            margin:0;
        }
        .compare-card ul{
            margin:0;
            padding-left:18px;
            color:var(--muted);
            display:grid;
            gap:8px;
        }
        .compare-card .btn{
            align-self:flex-start;
            margin-top:auto;
        }
        .compare-card.featured .btn{
            background:#fff;
            color:var(--primary);
        }
        .compare-card.featured .btn:hover{
            color:var(--primary-2);
        }
        .milestone{
            display:grid;
            grid-template-columns:1.12fr .88fr;
            gap:16px;
            align-items:start;
        }
        .story-card{
            border-radius:24px;
            padding:22px;
            border:1px solid rgba(58,86,128,.12);
            background:rgba(255,255,255,.86);
            box-shadow:var(--shadow-sm);
        }
        .story-list{
            display:grid;
            gap:12px;
        }
        .story-item{
            display:flex;
            gap:14px;
            align-items:flex-start;
            padding:14px;
            border-radius:18px;
            border:1px solid rgba(31,78,121,.10);
            background:linear-gradient(180deg, #fff, #fbfdff);
        }
        .story-badge{
            flex:0 0 auto;
            min-width:64px;
            padding:8px 10px;
            border-radius:14px;
            background:rgba(31,78,121,.10);
            color:var(--primary);
            text-align:center;
            font-weight:700;
            font-size:12px;
        }
        .story-item h3{
            margin:0 0 4px;
            font-size:15px;
        }
        .story-item p{
            margin:0;
            color:var(--muted);
            font-size:13px;
            line-height:1.6;
        }
        .news-grid{
            display:grid;
            grid-template-columns:1.12fr .88fr;
            gap:16px;
        }
        .news-list{
            display:grid;
            gap:12px;
        }
        .news-item{
            display:grid;
            grid-template-columns:84px 1fr auto;
            gap:14px;
            align-items:center;
            padding:14px 16px;
            border:1px solid rgba(58,86,128,.11);
            border-radius:18px;
            background:#fff;
            box-shadow:0 10px 18px rgba(23,43,77,.04);
            transition:transform .18s ease, box-shadow .18s ease;
        }
        .news-item:hover{
            transform:translateY(-2px);
            box-shadow:0 18px 30px rgba(23,43,77,.08);
        }
        .news-date{
            font-size:12px;
            color:var(--primary);
            background:rgba(31,78,121,.10);
            padding:8px 10px;
            border-radius:12px;
            text-align:center;
            font-weight:700;
        }
        .news-item h3{
            margin:0 0 4px;
            font-size:15px;
        }
        .news-item p{
            margin:0;
            color:var(--muted);
            font-size:13px;
        }
        .news-item .go{
            color:var(--primary);
            font-weight:700;
            white-space:nowrap;
            padding-left:8px;
        }
        .side-panel{
            border-radius:22px;
            padding:20px;
            background:linear-gradient(180deg, rgba(31,78,121,.95), rgba(53,109,160,.93));
            color:#fff;
            box-shadow:var(--shadow);
            display:flex;
            flex-direction:column;
            justify-content:space-between;
            gap:16px;
        }
        .side-panel p,.side-panel span,.side-panel li{color:rgba(255,255,255,.9)}
        .side-panel ul{
            margin:0;
            padding-left:18px;
            display:grid;
            gap:10px;
        }
        .cta-banner{
            border-radius:28px;
            padding:24px;
            background:
                linear-gradient(135deg, rgba(31,78,121,.96), rgba(53,109,160,.92)),
                linear-gradient(90deg, rgba(255,255,255,.08), transparent);
            color:#fff;
            box-shadow:0 18px 36px rgba(31,78,121,.22);
            border:1px solid rgba(255,255,255,.10);
        }
        .cta-banner h2{
            margin:0 0 10px;
            font-size:clamp(1.5rem, 2.2vw, 2.1rem);
        }
        .cta-banner p{
            margin:0;
            max-width:56rem;
            color:rgba(255,255,255,.90);
        }
        .form-grid{
            margin-top:18px;
            display:grid;
            grid-template-columns:1fr 1fr auto;
            gap:12px;
        }
        .field{
            display:flex;
            flex-direction:column;
            gap:8px;
        }
        .field label{
            font-size:13px;
            color:rgba(255,255,255,.86);
        }
        .field input{
            width:100%;
            border-radius:14px;
            border:1px solid rgba(255,255,255,.18);
            background:rgba(255,255,255,.92);
            padding:13px 14px;
            color:var(--text);
            outline:none;
            transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
        }
        .field input:focus{
            border-color:rgba(255,255,255,.42);
            box-shadow:0 0 0 4px rgba(255,255,255,.12);
        }
        .field small{
            color:rgba(255,255,255,.76);
            font-size:12px;
        }
        .faq-wrap{
            display:grid;
            grid-template-columns:1fr;
            gap:12px;
        }
        .faq-item{
            border-radius:18px;
            border:1px solid rgba(58,86,128,.12);
            background:#fff;
            box-shadow:0 10px 20px rgba(23,43,77,.04);
            overflow:hidden;
        }
        .faq-item summary{
            cursor:pointer;
            list-style:none;
            padding:16px 18px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:16px;
            font-weight:700;
            color:#23354f;
        }
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{
            content:"+";
            font-size:20px;
            color:var(--primary);
            transition:transform .18s ease;
            flex:0 0 auto;
        }
        .faq-item[open] summary:after{
            content:"–";
        }
        .faq-item .answer{
            padding:0 18px 18px;
            color:var(--muted);
            font-size:14px;
            line-height:1.75;
        }
        .footer{
            margin-top:14px;
            padding:28px 0 40px;
            border-top:1px solid rgba(58,86,128,.12);
            background:linear-gradient(180deg, rgba(255,255,255,.58), rgba(244,248,253,.88));
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.15fr .85fr .9fr .95fr;
            gap:18px;
        }
        .footer h3{
            margin:0 0 12px;
            font-size:16px;
        }
        .footer p{
            margin:0;
            color:var(--muted);
            font-size:14px;
        }
        .footer-links{
            display:grid;
            gap:10px;
        }
        .footer-links a{
            color:var(--muted);
            transition:color .18s ease, transform .18s ease;
        }
        .footer-links a:hover,
        .footer-links a:focus-visible{
            color:var(--primary);
            transform:translateX(2px);
            outline:none;
        }
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            gap:14px;
            flex-wrap:wrap;
            margin-top:22px;
            padding-top:18px;
            border-top:1px solid rgba(58,86,128,.10);
            color:var(--muted-2);
            font-size:13px;
        }
        .mini-note{
            font-size:12px;
            color:var(--muted-2);
            margin-top:8px;
        }
        .label-row{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
        }
        .soft-label{
            padding:8px 10px;
            border-radius:12px;
            background:#fff;
            border:1px solid rgba(31,78,121,.12);
            color:#324b67;
            font-size:12px;
        }
        .news-title-row{
            display:flex;
            align-items:flex-end;
            justify-content:space-between;
            gap:16px;
            margin-bottom:14px;
        }
        .news-title-row h2{
            margin:0;
            font-size:clamp(1.5rem, 2vw, 2rem);
        }
        .news-title-row p{
            margin:0;
            color:var(--muted);
            max-width:36rem;
        }
        .sr-only{
            position:absolute;
            width:1px;height:1px;
            padding:0;margin:-1px;
            overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
        }
        @media (max-width: 1120px){
            .hero-grid,
            .milestone,
            .news-grid{
                grid-template-columns:1fr;
            }
            .timeline{
                grid-template-columns:repeat(2, minmax(0,1fr));
            }
            .timeline:before{display:none}
            .highlight-grid,
            .compare-grid,
            .footer-grid{
                grid-template-columns:repeat(2, minmax(0,1fr));
            }
            .panel-grid{
                grid-template-columns:1fr;
            }
            .info-slab{
                grid-template-columns:repeat(3, minmax(0,1fr));
            }
        }
        @media (max-width: 780px){
            .nav-shell{
                flex-wrap:wrap;
                gap:12px;
            }
            .brand{
                min-width:0;
                width:100%;
            }
            .nav-tabs{
                order:3;
                width:100%;
            }
            .cta-wrap{
                margin-left:auto;
            }
            .hero{
                padding-top:20px;
            }
            .timeline,
            .highlight-grid,
            .compare-grid,
            .footer-grid,
            .info-slab{
                grid-template-columns:1fr;
            }
            .news-item{
                grid-template-columns:1fr;
                align-items:flex-start;
            }
            .news-item .go{
                padding-left:0;
            }
            .form-grid{
                grid-template-columns:1fr;
            }
            .section-title,
            .news-title-row{
                flex-direction:column;
                align-items:flex-start;
            }
        }
        @media (max-width: 520px){
            .container{width:min(calc(100% - 22px), var(--container))}
            .brand-text strong{font-size:16px}
            .hero-copy p{font-size:14px}
            h1{font-size:2rem}
            .btn{width:100%}
            .hero-actions{display:grid;grid-template-columns:1fr}
            .tag,.nav-chip,.soft-label{font-size:12px}
            .time-card,
            .highlight-card,
            .compare-card,
            .story-card,
            .side-panel,
            .cta-banner{
                border-radius:18px;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #f5f8fd;
            --panel: #ffffff;
            --panel-2: #edf4fb;
            --text: #13213a;
            --muted: #5f6e84;
            --line: rgba(30, 50, 90, 0.12);
            --primary: #2458d3;
            --primary-2: #1f46a3;
            --accent: #ef7b63;
            --accent-2: #ffb6a5;
            --shadow: 0 18px 45px rgba(24, 38, 74, 0.08);
            --shadow-strong: 0 22px 55px rgba(24, 38, 74, 0.14);
            --radius: 20px;
            --radius-sm: 14px;
            --container: 1280px;
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: PingFang SC, Microsoft YaHei, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(180deg, #f7faff 0%, #f3f7fb 100%);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        a { color: inherit; text-decoration: none; }
        img { max-width: 100%; display: block; }
        button, input, textarea, select { font: inherit; }
        ::selection { background: rgba(36, 88, 211, 0.16); color: var(--text); }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid rgba(36, 88, 211, 0.35);
            outline-offset: 3px;
        }

        .container {
            width: min(var(--container), calc(100% - 32px));
            margin: 0 auto;
        }

        .skip-link {
            position: absolute;
            left: -9999px;
            top: auto;
        }
        .skip-link:focus {
            left: 16px;
            top: 16px;
            z-index: 100;
            background: #fff;
            padding: 10px 14px;
            border-radius: 12px;
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.1);
        }

        .topbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(245, 248, 253, 0.86);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }
        .nav-shell {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 0;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), #7aa3ff);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 24px rgba(36, 88, 211, 0.18);
            position: relative;
        }
        .brand-mark::before {
            content: "";
            position: absolute;
            inset: 11px;
            border-radius: 10px;
            border: 2px solid rgba(255, 255, 255, 0.8);
            box-shadow: 0 0 0 1px rgba(36, 88, 211, 0.18);
        }
        .brand-text strong {
            display: block;
            font-size: 1rem;
            letter-spacing: 0.02em;
        }
        .brand-text span {
            display: block;
            color: var(--muted);
            font-size: 0.88rem;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-tabs::-webkit-scrollbar { display: none; }
        .nav-chip {
            white-space: nowrap;
            padding: 11px 16px;
            border-radius: 999px;
            border: 1px solid rgba(36, 88, 211, 0.12);
            background: rgba(255, 255, 255, 0.7);
            color: var(--muted);
            transition: 0.25s ease;
            box-shadow: 0 6px 16px rgba(15, 30, 58, 0.04);
        }
        .nav-chip:hover,
        .nav-chip:focus-visible {
            transform: translateY(-1px);
            color: var(--primary);
            border-color: rgba(36, 88, 211, 0.24);
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.08);
            outline: none;
        }
        .nav-chip.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 12px 28px rgba(36, 88, 211, 0.2);
        }
        .cta-wrap { flex-shrink: 0; }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 18px;
            border-radius: 999px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: 0.25s ease;
            font-weight: 600;
            letter-spacing: 0.01em;
            line-height: 1;
        }
        .btn:hover,
        .btn:focus-visible {
            transform: translateY(-1px);
            outline: none;
        }
        .btn:active { transform: translateY(0); }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            box-shadow: 0 12px 28px rgba(36, 88, 211, 0.24);
        }
        .btn-primary:hover,
        .btn-primary:focus-visible {
            box-shadow: 0 16px 34px rgba(36, 88, 211, 0.3);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.8);
            color: var(--primary);
            border-color: rgba(36, 88, 211, 0.16);
        }
        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            border-color: rgba(36, 88, 211, 0.32);
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.06);
        }

        main { padding: 26px 0 0; }

        .hero {
            position: relative;
            overflow: hidden;
            border-radius: 28px;
            background: linear-gradient(135deg, #f8fbff 0%, #edf4fd 54%, #fdf7f4 100%);
            border: 1px solid rgba(36, 88, 211, 0.12);
            box-shadow: var(--shadow);
            padding: 38px;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: -20% -10% auto auto;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(36, 88, 211, 0.14), rgba(36, 88, 211, 0) 68%);
            pointer-events: none;
        }
        .hero::after {
            content: "";
            position: absolute;
            left: -80px;
            bottom: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(239, 123, 99, 0.14), rgba(239, 123, 99, 0) 70%);
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 28px;
            align-items: stretch;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(36, 88, 211, 0.08);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
        }
        .hero h1 {
            margin: 18px 0 14px;
            font-size: clamp(2rem, 4vw, 3.9rem);
            line-height: 1.08;
            letter-spacing: -0.02em;
        }
        .hero p.lead {
            margin: 0;
            max-width: 42rem;
            font-size: 1.06rem;
            color: var(--muted);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 26px 0 18px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid rgba(36, 88, 211, 0.12);
            color: var(--text);
            box-shadow: 0 8px 20px rgba(24, 38, 74, 0.05);
            font-size: 0.92rem;
        }
        .hero-note {
            margin-top: 18px;
            color: var(--muted);
            font-size: 0.94rem;
        }

        .hero-visual {
            position: relative;
            min-height: 460px;
            border-radius: 24px;
            background: linear-gradient(180deg, rgba(16, 31, 63, 0.04), rgba(16, 31, 63, 0.02));
            border: 1px solid rgba(36, 88, 211, 0.12);
            padding: 18px;
            overflow: hidden;
        }
        .hero-visual .visual-frame {
            position: absolute;
            inset: 0;
            border-radius: 24px;
            background:
                linear-gradient(135deg, rgba(34, 84, 211, 0.09), rgba(255, 255, 255, 0.94)),
                repeating-linear-gradient(90deg, rgba(36, 88, 211, 0.06) 0 1px, transparent 1px 88px),
                repeating-linear-gradient(180deg, rgba(36, 88, 211, 0.05) 0 1px, transparent 1px 88px);
            box-shadow: inset 0 0 0 1px rgba(36, 88, 211, 0.08);
            z-index: 0;
        }
        .visual-stack {
            position: absolute;
            inset: 22px;
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            grid-auto-rows: minmax(0, 1fr);
            gap: 14px;
            z-index: 1;
        }
        .span-2 { grid-column: span 2; }
        .v-card {
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.88);
            border: 1px solid rgba(255, 255, 255, 0.75);
            box-shadow: 0 12px 30px rgba(21, 39, 71, 0.08);
            padding: 16px;
            backdrop-filter: blur(8px);
        }
        .v-card.dark {
            background: linear-gradient(180deg, rgba(25, 48, 96, 0.95), rgba(29, 63, 132, 0.92));
            color: #fff;
        }
        .v-mini {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .v-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 10px;
            border-radius: 999px;
            background: rgba(239, 123, 99, 0.14);
            color: #b74732;
            font-size: 0.82rem;
            font-weight: 700;
            white-space: nowrap;
        }
        .play-badge {
            position: absolute;
            right: 16px;
            top: 16px;
            width: 72px;
            height: 72px;
            border-radius: 999px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--accent), #ff9c8a);
            color: #fff;
            box-shadow: 0 14px 28px rgba(239, 123, 99, 0.28);
            border: 6px solid rgba(255, 255, 255, 0.72);
            z-index: 2;
        }
        .play-badge span {
            font-size: 1.4rem;
            margin-left: 4px;
        }

        .section { margin-top: 28px; }
        .section-card {
            background: var(--panel);
            border: 1px solid rgba(36, 88, 211, 0.1);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 26px;
        }
        .section-head {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            align-items: flex-end;
            margin-bottom: 18px;
        }
        .section-head h2 {
            margin: 0;
            font-size: clamp(1.4rem, 2.4vw, 2.1rem);
        }
        .section-head p {
            margin: 0;
            color: var(--muted);
            max-width: 54rem;
        }

        .timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .timeline-item {
            position: relative;
            padding: 18px;
            border-radius: 18px;
            background: linear-gradient(180deg, #fff, #f8fbff);
            border: 1px solid rgba(36, 88, 211, 0.1);
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.05);
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: 18px;
            top: 18px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 6px rgba(36, 88, 211, 0.12);
        }
        .timeline-step { padding-left: 24px; }
        .timeline-step strong {
            display: block;
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .timeline-step p {
            margin: 0;
            color: var(--muted);
            font-size: 0.94rem;
        }

        .note-panel {
            margin-top: 16px;
            border-radius: 18px;
            background: linear-gradient(135deg, #f3f7ff, #fff4ef);
            border: 1px solid rgba(239, 123, 99, 0.14);
            padding: 18px;
        }
        .note-panel .note-title {
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .note-list {
            display: grid;
            gap: 10px;
        }
        .note-row {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.86);
            border: 1px solid rgba(36, 88, 211, 0.08);
        }
        .note-row span:last-child { color: var(--muted); }

        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .highlight-card {
            position: relative;
            padding: 20px;
            border-radius: 20px;
            border: 1px solid rgba(36, 88, 211, 0.1);
            background: linear-gradient(180deg, #fff, #f6f9fe);
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.05);
            overflow: hidden;
        }
        .highlight-card::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 110px;
            height: 110px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(36, 88, 211, 0.12), transparent 68%);
        }
        .highlight-card.hot::after {
            background: radial-gradient(circle, rgba(239, 123, 99, 0.18), transparent 68%);
        }
        .highlight-card h3 {
            margin: 0 0 10px;
            font-size: 1.06rem;
        }
        .highlight-card p {
            margin: 0;
            color: var(--muted);
        }
        .badge-line {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }
        .mini-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 10px;
            border-radius: 999px;
            background: rgba(36, 88, 211, 0.08);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            white-space: nowrap;
        }
        .mini-badge.orange {
            background: rgba(239, 123, 99, 0.12);
            color: #bf553d;
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1.6fr 0.72fr;
            gap: 18px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }
        .entry-card {
            border-radius: 20px;
            background: #fff;
            border: 1px solid rgba(36, 88, 211, 0.1);
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.05);
            overflow: hidden;
            transition: 0.25s ease;
        }
        .entry-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 18px 38px rgba(24, 38, 74, 0.1);
        }
        .thumb {
            height: 150px;
            background:
                linear-gradient(135deg, rgba(36, 88, 211, 0.12), rgba(255, 255, 255, 0.92)),
                repeating-linear-gradient(90deg, rgba(36, 88, 211, 0.08) 0 1px, transparent 1px 36px),
                repeating-linear-gradient(180deg, rgba(36, 88, 211, 0.07) 0 1px, transparent 1px 36px);
            position: relative;
        }
        .thumb::after {
            content: "";
            position: absolute;
            inset: 18px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.65);
        }
        .entry-body { padding: 18px; }
        .entry-body h3 {
            margin: 0 0 10px;
            font-size: 1.04rem;
        }
        .entry-body p {
            margin: 0;
            color: var(--muted);
        }
        .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
            align-items: center;
            justify-content: space-between;
        }
        .meta-row .tiny { font-size: 0.86rem; color: var(--muted); }
        .meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .sidebar-stack {
            display: grid;
            gap: 16px;
        }
        .side-card {
            padding: 20px;
            border-radius: 20px;
            background: linear-gradient(180deg, #fff, #f7faff);
            border: 1px solid rgba(36, 88, 211, 0.1);
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.05);
        }
        .side-card h3 {
            margin: 0 0 12px;
            font-size: 1.05rem;
        }
        .side-list {
            display: grid;
            gap: 12px;
        }
        .side-item {
            padding: 12px 14px;
            border-radius: 14px;
            background: #fff;
            border: 1px solid rgba(36, 88, 211, 0.08);
        }
        .side-item strong {
            display: block;
            margin-bottom: 4px;
        }
        .side-item span {
            color: var(--muted);
            font-size: 0.92rem;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .compare-card {
            position: relative;
            padding: 22px;
            border-radius: 22px;
            background: linear-gradient(180deg, #fff, #f7fbff);
            border: 1px solid rgba(36, 88, 211, 0.1);
            box-shadow: 0 12px 30px rgba(24, 38, 74, 0.06);
        }
        .compare-card.featured {
            background: linear-gradient(180deg, #f0f6ff, #fff);
        }
        .compare-card .plan {
            display: inline-flex;
            padding: 7px 12px;
            border-radius: 999px;
            background: rgba(36, 88, 211, 0.08);
            color: var(--primary);
            font-size: 0.83rem;
            font-weight: 700;
        }
        .compare-card h3 {
            margin: 14px 0 10px;
            font-size: 1.2rem;
        }
        .compare-card .desc {
            margin: 0;
            color: var(--muted);
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
            display: grid;
            gap: 10px;
        }
        .compare-card li {
            position: relative;
            padding-left: 22px;
            color: var(--muted);
        }
        .compare-card li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.66em;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
        }
        .compare-card .btn {
            margin-top: 18px;
            width: 100%;
        }

        .cta-banner {
            position: relative;
            overflow: hidden;
            padding: 28px;
            border-radius: 28px;
            background: linear-gradient(135deg, #1d4fd7, #1740aa 54%, #ef7b63 170%);
            color: #fff;
            box-shadow: var(--shadow-strong);
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: auto -10% -60% auto;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 68%);
        }
        .cta-banner .cta-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 18px;
            align-items: center;
        }
        .cta-banner h2 {
            margin: 0 0 10px;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
        }
        .cta-banner p {
            margin: 0;
            color: rgba(255, 255, 255, 0.88);
        }
        .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 18px;
        }
        .form-row input {
            flex: 1;
            min-width: 220px;
            height: 50px;
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.24);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 0 16px;
            outline: none;
        }
        .form-row input::placeholder { color: rgba(255, 255, 255, 0.72); }
        .form-row input:focus {
            border-color: rgba(255, 255, 255, 0.5);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
        }
        .cta-banner .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: none;
        }
        .cta-banner .btn-primary:hover,
        .cta-banner .btn-primary:focus-visible {
            box-shadow: 0 12px 24px rgba(10, 26, 54, 0.12);
        }
        .cta-banner .btn-secondary {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.25);
        }
        .cta-banner .btn-secondary:hover,
        .cta-banner .btn-secondary:focus-visible {
            background: rgba(255, 255, 255, 0.18);
        }
        .cta-footnote {
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.86);
            font-size: 0.92rem;
        }

        .faq-list {
            display: grid;
            gap: 12px;
        }
        .faq-item {
            border-radius: 18px;
            border: 1px solid rgba(36, 88, 211, 0.1);
            background: #fff;
            box-shadow: 0 10px 24px rgba(24, 38, 74, 0.05);
            overflow: hidden;
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 20px;
            font-weight: 700;
            position: relative;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: "+";
            position: absolute;
            right: 20px;
            top: 16px;
            font-size: 1.3rem;
            color: var(--primary);
            transition: 0.25s ease;
        }
        .faq-item[open] summary::after { content: "–"; }
        .faq-panel {
            padding: 0 20px 18px;
            color: var(--muted);
        }

        .footer {
            margin-top: 30px;
            padding: 30px 0 24px;
            background: #eef4fb;
            border-top: 1px solid rgba(36, 88, 211, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.25fr 0.95fr 0.85fr 0.95fr;
            gap: 18px;
        }
        .footer h3 {
            margin: 0 0 12px;
            font-size: 1rem;
        }
        .footer p {
            margin: 0;
            color: var(--muted);
        }
        .footer-links {
            display: grid;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text);
        }
        .footer-links a:hover,
        .footer-links a:focus-visible {
            color: var(--primary);
        }
        .mini-note {
            margin-top: 14px;
            color: var(--muted);
            font-size: 0.9rem;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            padding-top: 18px;
            margin-top: 18px;
            border-top: 1px solid rgba(36, 88, 211, 0.1);
            color: var(--muted);
            font-size: 0.92rem;
        }

        @media (max-width: 1100px) {
            .hero-grid,
            .content-grid,
            .cta-banner .cta-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .highlight-grid,
            .compare-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-shell { flex-wrap: wrap; }
            .cta-wrap { margin-left: auto; }
        }
        @media (max-width: 768px) {
            .container { width: min(100% - 22px, var(--container)); }
            .hero { padding: 22px; }
            .hero-visual { min-height: 420px; }
            .visual-stack { grid-template-columns: 1fr; }
            .span-2 { grid-column: span 1; }
            .card-grid,
            .highlight-grid,
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                grid-template-columns: 1fr;
            }
            .section-card { padding: 20px; }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom { flex-direction: column; }
        }
        @media (max-width: 520px) {
            .nav-shell { gap: 12px; }
            .brand-text span { display: none; }
            .btn { width: 100%; }
            .hero-actions,
            .form-row {
                flex-direction: column;
            }
            .form-row input,
            .form-row .btn {
                width: 100%;
            }
            .hero h1 { font-size: 2rem; }
            .play-badge { width: 60px; height: 60px; }
        }

/* roulang page: category2 */
:root{
      --brand:#173f7a;
      --brand-2:#2a67c7;
      --accent:#ea6b5a;
      --bg:#f6f9ff;
      --bg-soft:#eef4ff;
      --text:#10233f;
      --muted:#62708a;
      --line:rgba(15,23,42,.09);
      --shadow:0 20px 60px rgba(15,23,42,.08);
      --shadow-strong:0 26px 70px rgba(23,63,122,.14);
      --radius:24px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(23,63,122,.08), transparent 26%),
        radial-gradient(circle at top right, rgba(234,107,90,.08), transparent 22%),
        linear-gradient(180deg, #f8fbff 0%, #eef4ff 100%);
    }
    body::selection{background:rgba(23,63,122,.16)}
    a,button,input,textarea,summary{
      transition:color .22s ease, background-color .22s ease, border-color .22s ease, box-shadow .22s ease, transform .22s ease, opacity .22s ease;
    }
    a{text-decoration:none}
    img{max-width:100%;display:block}
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      padding:1rem 0 .2rem;
      backdrop-filter:saturate(140%) blur(14px);
    }
    .nav-shell{
      display:flex;
      align-items:center;
      gap:1rem;
      padding:1rem 1rem;
      border:1px solid var(--line);
      border-radius:28px;
      background:rgba(255,255,255,.84);
      box-shadow:var(--shadow);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:.9rem;
      min-width:0;
      color:var(--text);
      flex:0 0 auto;
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      background:
        linear-gradient(135deg, rgba(23,63,122,1), rgba(42,103,199,1));
      position:relative;
      box-shadow:0 12px 28px rgba(23,63,122,.22);
      flex:0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,255,255,.92);
    }
    .brand-mark::before{
      width:12px;
      height:12px;
      left:11px;
      top:12px;
      box-shadow:14px 0 0 rgba(234,107,90,.95);
    }
    .brand-mark::after{
      width:18px;
      height:4px;
      left:13px;
      bottom:12px;
      opacity:.9;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.2;
      min-width:0;
    }
    .brand-text strong{
      font-size:1rem;
      letter-spacing:.01em;
      font-weight:800;
      white-space:nowrap;
    }
    .brand-text span{
      margin-top:.25rem;
      font-size:.84rem;
      color:var(--muted);
      white-space:nowrap;
    }
    .nav-tabs{
      display:flex;
      align-items:center;
      gap:.55rem;
      flex:1 1 auto;
      min-width:0;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:.15rem;
    }
    .nav-tabs::-webkit-scrollbar{display:none}
    .nav-chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:.78rem 1.05rem;
      border-radius:999px;
      background:#f8fbff;
      border:1px solid rgba(23,63,122,.09);
      color:#36537d;
      font-weight:700;
      white-space:nowrap;
      min-height:2.75rem;
      box-shadow:0 8px 22px rgba(15,23,42,.03);
    }
    .nav-chip:hover{
      transform:translateY(-1px);
      color:var(--brand);
      border-color:rgba(23,63,122,.18);
      box-shadow:0 12px 26px rgba(15,23,42,.06);
    }
    .nav-chip.active{
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;
      border-color:transparent;
      box-shadow:0 14px 30px rgba(23,63,122,.20);
    }
    .cta-wrap{flex:0 0 auto}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.4rem;
      min-height:2.9rem;
      padding:.82rem 1.22rem;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.01em;
      border:1px solid transparent;
      text-decoration:none;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,
    .nav-chip:focus-visible,
    .brand:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(23,63,122,.14);
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;
      box-shadow:0 16px 32px rgba(23,63,122,.22);
    }
    .btn-primary:hover{
      box-shadow:0 18px 38px rgba(23,63,122,.28);
    }
    .btn-secondary{
      background:#fff;
      color:var(--brand);
      border-color:rgba(23,63,122,.16);
      box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .btn-secondary:hover{
      border-color:rgba(23,63,122,.28);
      background:#f8fbff;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.5rem .85rem;
      border-radius:999px;
      border:1px solid rgba(23,63,122,.12);
      background:rgba(23,63,122,.06);
      color:var(--brand);
      font-size:.88rem;
      font-weight:700;
      line-height:1;
    }
    .pill.accent{
      border-color:rgba(234,107,90,.18);
      background:rgba(234,107,90,.10);
      color:var(--accent);
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.48rem .85rem;
      border-radius:999px;
      background:rgba(23,63,122,.07);
      border:1px solid rgba(23,63,122,.12);
      color:var(--brand);
      font-size:.83rem;
      font-weight:800;
      letter-spacing:.02em;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.55rem,2.3vw,2.35rem);
      line-height:1.15;
      font-weight:800;
      letter-spacing:-.03em;
      color:#0f213d;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      line-height:1.85;
    }
    .soft-card{
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
    }
    .strong-shadow{box-shadow:var(--shadow-strong)}
    .hero-shell{
      position:relative;
      overflow:hidden;
    }
    .hero-shell::before,
    .hero-shell::after{
      content:"";
      position:absolute;
      border-radius:999px;
      pointer-events:none;
      filter:blur(2px);
    }
    .hero-shell::before{
      width:260px;
      height:260px;
      right:-110px;
      top:-80px;
      background:radial-gradient(circle, rgba(234,107,90,.16), rgba(234,107,90,0) 70%);
    }
    .hero-shell::after{
      width:320px;
      height:320px;
      left:-150px;
      bottom:-130px;
      background:radial-gradient(circle, rgba(23,63,122,.12), rgba(23,63,122,0) 70%);
    }
    .entry-card,
    .compare-card,
    .matrix-card,
    .timeline-card{
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background:#fff;
      box-shadow:0 12px 30px rgba(15,23,42,.05);
    }
    .entry-card{
      display:flex;
      flex-direction:column;
      overflow:hidden;
      height:100%;
      transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
    }
    .entry-card:hover{
      transform:translateY(-4px);
      box-shadow:0 24px 56px rgba(15,23,42,.10);
      border-color:rgba(23,63,122,.18);
    }
    .entry-thumb{
      position:relative;
      min-height:160px;
      overflow:hidden;
    }
    .entry-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.30));
    }
    .entry-badge{
      position:relative;
      z-index:2;
      display:inline-flex;
      align-items:center;
      width:fit-content;
      padding:.4rem .7rem;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      color:#fff;
      font-size:.78rem;
      font-weight:700;
      letter-spacing:.02em;
      border:1px solid rgba(255,255,255,.24);
    }
    .entry-body{
      padding:1.1rem 1.1rem 1.15rem;
      display:flex;
      flex-direction:column;
      gap:.85rem;
      flex:1 1 auto;
    }
    .entry-body h3,
    .compare-card h3,
    .matrix-card h3{
      margin:0;
      font-size:1.02rem;
      font-weight:800;
      color:#0f213d;
      line-height:1.35;
    }
    .entry-body p,
    .compare-card p,
    .matrix-card p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:.95rem;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:.36rem .72rem;
      background:#f6f9ff;
      border:1px solid rgba(23,63,122,.10);
      color:#4c6489;
      font-size:.78rem;
      font-weight:700;
      line-height:1;
    }
    .tag.accent{
      background:rgba(234,107,90,.10);
      border-color:rgba(234,107,90,.18);
      color:var(--accent);
    }
    .compare-card{
      padding:1.2rem;
      transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
    }
    .compare-card:hover{
      transform:translateY(-3px);
      box-shadow:0 22px 56px rgba(15,23,42,.10);
    }
    .compare-card.recommended{
      border-color:rgba(23,63,122,.26);
      box-shadow:0 26px 60px rgba(23,63,122,.12);
      background:linear-gradient(180deg, rgba(248,251,255,.98), rgba(255,255,255,.96));
    }
    .compare-list{
      display:grid;
      gap:.65rem;
      margin:0;
      padding:0;
      list-style:none;
    }
    .compare-list li{
      position:relative;
      padding-left:1.1rem;
      color:#4b607f;
      line-height:1.7;
      font-size:.94rem;
    }
    .compare-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.63rem;
      width:.5rem;
      height:.5rem;
      border-radius:999px;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
    }
    .faq-item{
      border-radius:22px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(255,255,255,.93);
      box-shadow:0 10px 28px rgba(15,23,42,.04);
      overflow:hidden;
      transition:box-shadow .24s ease, border-color .24s ease, transform .24s ease;
    }
    .faq-item[open]{
      border-color:rgba(23,63,122,.20);
      box-shadow:0 20px 50px rgba(15,23,42,.08);
    }
    .faq-summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:1.15rem 1.2rem;
      cursor:pointer;
      font-size:1.02rem;
      font-weight:800;
      color:#10233f;
      list-style:none;
    }
    .faq-summary::-webkit-details-marker{display:none}
    .faq-toggle{
      width:2rem;
      height:2rem;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      flex:0 0 auto;
      background:rgba(23,63,122,.08);
      color:var(--brand);
      font-size:1.1rem;
      font-weight:900;
      transition:transform .24s ease, background-color .24s ease, color .24s ease;
    }
    .faq-item[open] .faq-toggle{
      transform:rotate(45deg);
      background:rgba(234,107,90,.12);
      color:var(--accent);
    }
    .faq-answer{
      padding:0 1.2rem 1.2rem;
      color:var(--muted);
      line-height:1.9;
      font-size:.95rem;
    }
    .field{
      width:100%;
      border:1px solid rgba(15,23,42,.10);
      border-radius:16px;
      background:rgba(255,255,255,.96);
      color:var(--text);
      padding:.95rem 1rem;
      outline:none;
      box-shadow:0 8px 20px rgba(15,23,42,.03);
    }
    .field::placeholder{color:#8a97aa}
    .field:focus{
      border-color:rgba(23,63,122,.34);
      box-shadow:0 0 0 4px rgba(23,63,122,.10);
    }
    .footer{
      margin-top:3rem;
      padding:3rem 0 1.4rem;
      background:linear-gradient(180deg, rgba(230,238,252,.92), rgba(255,255,255,.98));
      border-top:1px solid rgba(15,23,42,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr .9fr .9fr;
      gap:1.8rem;
    }
    .footer h3{
      margin:0 0 1rem;
      font-size:1.05rem;
      font-weight:800;
      color:#10233f;
    }
    .footer p{
      margin:0;
      color:#5f6f88;
      line-height:1.85;
    }
    .footer-links{
      display:grid;
      gap:.74rem;
    }
    .footer-links a{
      color:#35527d;
      font-weight:600;
    }
    .footer-links a:hover{
      color:var(--brand);
      transform:translateX(2px);
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-top:1.5rem;
      padding-top:1.15rem;
      border-top:1px solid rgba(15,23,42,.08);
      color:#66768f;
      font-size:.93rem;
    }
    .mini-note{
      margin-top:.9rem;
      color:#62758f;
      font-size:.92rem;
    }
    .soft-divider{
      height:1px;
      background:linear-gradient(90deg, rgba(23,63,122,0), rgba(23,63,122,.18), rgba(23,63,122,0));
    }
    .scroll-bar{
      height:.5rem;
      border-radius:999px;
      background:linear-gradient(90deg, rgba(23,63,122,.18), rgba(42,103,199,.52), rgba(234,107,90,.38));
    }
    @media (max-width: 1024px){
      .nav-shell{
        flex-direction:column;
        align-items:stretch;
      }
      .cta-wrap{
        align-self:flex-start;
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
    }
    @media (max-width: 768px){
      .topbar{
        padding-top:.75rem;
      }
      .brand-text span{
        white-space:normal;
      }
      .nav-shell{
        gap:.85rem;
        padding:.9rem;
      }
      .nav-tabs{
        width:100%;
        order:3;
      }
      .cta-wrap{
        width:100%;
      }
      .cta-wrap .btn{
        width:100%;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    @media (max-width: 520px){
      .btn{
        width:100%;
      }
      .section-title{
        font-size:1.45rem;
      }
      .faq-summary{
        padding:1rem 1rem;
        font-size:.98rem;
      }
      .faq-answer{
        padding:0 1rem 1rem;
      }
    }