/* roulang page: index */
:root{
      --ink:#241c27;--muted:#756d75;--cream:#f8f4ee;--paper:#fffdf9;
      --orange:#e87532;--amber:#f6b84a;--plum:#38223d;--teal:#9fc9bd;
      --line:#e7ded5;--shadow:0 18px 45px rgba(56,34,61,.09);
      --radius:18px;--max:1220px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7}
    a{text-decoration:none;color:inherit}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,244,238,.96);border-bottom:1px solid var(--line);transition:.25s}
    .site-header.scrolled{box-shadow:0 8px 24px rgba(36,28,39,.08)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--orange);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:5px 5px 0 var(--amber)}
    .nav-links{display:flex;align-items:center;gap:25px;color:#655d66;font-size:14px}
    .nav-links a{position:relative;padding:8px 0;transition:.2s}
    .nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:1px;height:2px;background:var(--orange);transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{right:0}
    .nav-cta,.btn-primary{background:var(--orange);color:#fff;border:1px solid var(--orange);border-radius:10px;padding:11px 18px;font-weight:700;transition:.22s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-cta:hover,.btn-primary:hover{background:#c95d25;transform:translateY(-2px);box-shadow:0 9px 18px rgba(232,117,50,.22)}
    .btn-primary:active,.nav-cta:active{transform:translateY(0)}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #bdb1b5;color:var(--ink);border-radius:10px;padding:11px 18px;font-weight:700;transition:.22s}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange);background:#fff9f3}
    .btn-primary:focus-visible,.btn-outline:focus-visible,.nav-cta:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(232,117,50,.35);outline-offset:3px}
    .menu-btn{display:none;border:1px solid var(--line);background:var(--paper);border-radius:9px;width:42px;height:42px;font-size:20px}
    .hero{padding:76px 0 65px;background:linear-gradient(105deg,#f8f4ee 42%,#eee2d8 100%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
    .eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange)}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.065em;margin:19px 0 22px;max-width:720px}
    .hero-copy{font-size:17px;color:#665d64;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0 34px}
    .hero-note{display:flex;align-items:center;gap:10px;font-size:13px;color:#756d75}
    .dot{width:9px;height:9px;border-radius:50%;background:#65a88d;box-shadow:0 0 0 5px rgba(101,168,141,.14)}
    .dashboard{position:relative;min-height:410px;border-radius:25px;overflow:hidden;background:var(--plum);box-shadow:var(--shadow);padding:25px;color:#fff}
    .dashboard:before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(56,34,61,.9),rgba(56,34,61,.35)),url('/assets/images/22b0166ac59d242d.jpg') center/cover;opacity:.72}
    .dash-content{position:relative;z-index:1}
    .dash-top{display:flex;justify-content:space-between;align-items:center;color:#f4d9bd;font-size:13px}
    .dash-title{font-size:27px;line-height:1.25;font-weight:800;margin:53px 0 27px;max-width:300px}
    .dash-cards{display:grid;grid-template-columns:1fr 1fr;gap:11px}
    .dash-card{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:15px;backdrop-filter:blur(4px)}
    .dash-card strong{display:block;font-size:27px;color:#fff4dc;line-height:1.2}
    .dash-card span{font-size:12px;color:#e2d6dc}
    .dash-bar{height:6px;background:rgba(255,255,255,.18);border-radius:5px;margin-top:22px;overflow:hidden}
    .dash-bar i{display:block;width:78%;height:100%;background:var(--amber);border-radius:5px}
    .section{padding:100px 0;border-bottom:1px solid var(--line)}
    .section-dark{background:var(--plum);color:#fff;border-color:#503c54}
    .section-soft{background:#f1e8df}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    h2{font-size:clamp(29px,4vw,48px);line-height:1.15;letter-spacing:-.05em;max-width:680px}
    .section-intro{max-width:610px;color:var(--muted);font-size:15px}
    .section-dark .section-intro{color:#cfc1d0}
    .matrix{display:grid;grid-template-columns:1.25fr .8fr .8fr;grid-template-rows:1fr 1fr;gap:14px}
    .matrix-card,.scene-card,.status-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
    .matrix-card:hover,.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .matrix-card:first-child{grid-row:span 2;background:var(--plum);color:#fff;min-height:330px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-card:first-child p{color:#d8cbd9}
    .matrix-card h3,.scene-card h3{font-size:21px;letter-spacing:-.03em;margin:14px 0 8px}
    .matrix-card p,.scene-card p{color:var(--muted);font-size:14px}
    .matrix-card:first-child p{color:#d8cbd9}
    .index{font-size:12px;font-weight:800;color:var(--orange);letter-spacing:.1em}
    .arrow{font-size:23px;color:var(--orange);margin-top:18px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .compare-side{padding:30px;border-radius:17px;border:1px solid var(--line);background:var(--paper)}
    .compare-side.after{background:#fff2e4;border-color:#f3c38d}
    .compare-side h3{font-size:22px;margin-bottom:22px}
    .compare-list{list-style:none;display:grid;gap:16px}
    .compare-list li{display:flex;gap:12px;color:#665d64;font-size:14px}
    .compare-list li:before{content:"—";color:var(--orange);font-weight:800}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
    .timeline:before{content:"";position:absolute;top:18px;left:5%;right:5%;height:1px;background:#d7c8bd}
    .time-node{position:relative;padding-top:48px}
    .time-node:before{content:"";position:absolute;top:11px;left:0;width:15px;height:15px;border-radius:50%;background:var(--orange);border:4px solid var(--cream);box-shadow:0 0 0 1px var(--orange)}
    .time-node strong{font-size:13px;color:var(--orange)}
    .time-node h3{font-size:18px;margin:7px 0}
    .time-node p{font-size:13px;color:var(--muted)}
    .scenes{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:14px}
    .scene-card:first-child{min-height:260px;background:linear-gradient(135deg,#e87532,#f3a649);color:#fff}
    .scene-card:first-child p{color:#fff1e6}
    .scene-card:first-child .index{color:#fff}
    .scene-card:first-child .arrow{color:#fff}
    .news-wrap{display:grid;grid-template-columns:.75fr 1.45fr;gap:55px}
    .news-lead{font-size:20px;line-height:1.5;font-weight:700;max-width:280px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:100px 1fr 25px;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-date{font-size:13px;color:var(--orange);font-weight:800}
    .news-item h3{font-size:17px;margin-bottom:3px}
    .news-item p{font-size:13px;color:var(--muted)}
    .news-arrow{color:var(--orange);font-size:22px}
    .dark-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;align-items:center}
    .dark-panel h2{color:#fff}
    .guard-list{display:grid;grid-template-columns:1fr 1fr;gap:11px}
    .guard-item{border:1px solid #614b63;border-radius:13px;padding:17px;background:#432b48}
    .guard-item b{display:block;color:#fff4dc;margin-bottom:5px}
    .guard-item span{font-size:13px;color:#d4c7d3}
    .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .quick-item{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px;min-height:145px;transition:.22s}
    .quick-item:hover{border-color:var(--orange);transform:translateY(-3px)}
    .quick-item b{display:block;font-size:17px;margin:15px 0 7px}
    .quick-item span{font-size:13px;color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.35fr;gap:60px}
    .faq-list{display:grid;gap:10px}
    details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:0 20px}
    summary{list-style:none;cursor:pointer;min-height:58px;display:flex;align-items:center;justify-content:space-between;font-weight:700}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";font-size:22px;color:var(--orange);font-weight:400}
    details[open] summary:after{content:"−"}
    .faq-answer{font-size:14px;color:var(--muted);padding:0 0 18px;max-width:680px}
    .path-row{display:flex;gap:10px;flex-wrap:wrap}
    .path-tag{border:1px solid #cbbab0;border-radius:30px;padding:13px 19px;color:#5f555d;background:var(--paper);transition:.2s}
    .path-tag:hover{background:var(--orange);border-color:var(--orange);color:#fff}
    .status-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .status-cell{padding:25px 20px;border-right:1px solid var(--line)}
    .status-cell:last-child{border-right:0}
    .status-cell small{display:block;color:var(--muted);margin-bottom:7px}
    .status-cell strong{font-size:18px}
    .form-area{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
    .form-box{background:var(--paper);padding:30px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .field{display:grid;gap:7px;margin-bottom:15px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid #d8cdc5;background:#fffdfa;border-radius:9px;padding:12px 13px;color:var(--ink);transition:.2s}
    textarea{min-height:112px;resize:vertical}
    input:hover,select:hover,textarea:hover,input:focus,select:focus,textarea:focus{border-color:var(--orange);outline:none}
    .form-hint{font-size:12px;color:var(--muted);margin-top:12px}
    .form-message{display:none;margin-top:12px;padding:11px;border-radius:8px;font-size:13px}
    .form-message.success{display:block;background:#e4f2ea;color:#397357}
    footer{background:#211724;color:#d4c7d3;padding:50px 0 28px}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:35px;border-bottom:1px solid #443444}
    footer .brand{color:#fff}
    .footer-links{display:flex;gap:22px;font-size:13px}
    .footer-links a:hover{color:#fff1d7}
    .copyright{display:flex;justify-content:space-between;gap:15px;padding-top:20px;font-size:12px;color:#998b9c}
    @media(max-width:1024px){.hero-grid{gap:30px}.nav-links{gap:13px}.matrix{grid-template-columns:1fr 1fr}.matrix-card:first-child{grid-row:auto;grid-column:span 2}.timeline{gap:12px}.news-wrap{gap:30px}}
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--max))}.nav-wrap{height:68px}.nav-links,.nav-cta{display:none}.menu-btn{display:block}
      .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;padding:20px 22px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;box-shadow:0 15px 25px rgba(0,0,0,.08)}
      .hero{padding:52px 0}.hero-grid,.dark-panel,.faq-grid,.form-area,.news-wrap{grid-template-columns:1fr}.dashboard{min-height:350px}
      .section{padding:70px 0}.section-head{display:block}.section-intro{margin-top:17px}.timeline{grid-template-columns:1fr;gap:26px}.timeline:before{top:15px;bottom:15px;left:7px;width:1px;height:auto}.time-node{padding:0 0 0 35px}.time-node:before{top:4px}.scenes{grid-template-columns:1fr 1fr}.scene-card:first-child{grid-column:span 2}
      .quick-grid{grid-template-columns:1fr 1fr}.status-strip{grid-template-columns:1fr 1fr}.status-cell:nth-child(2){border-right:0}.status-cell{border-bottom:1px solid var(--line)}.footer-top,.copyright{display:block}.footer-links{margin-top:22px;flex-wrap:wrap}
    }
    @media(max-width:520px){h1{font-size:42px}.hero-copy{font-size:15px}.matrix,.compare,.scenes{grid-template-columns:1fr}.matrix-card:first-child,.scene-card:first-child{grid-column:auto}.dash-cards{gap:8px}.dash-title{margin-top:40px}.news-item{grid-template-columns:75px 1fr 18px;gap:10px}.news-item h3{font-size:15px}.quick-grid,.guard-list,.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.status-strip{grid-template-columns:1fr}.status-cell{border-right:0}.path-tag{width:100%;text-align:center}}