/* roulang page: index */
:root{
      --blue-950:#18344e;
      --blue-900:#204b70;
      --blue-800:#2f648d;
      --blue-700:#417fa5;
      --blue-100:#e7f1f7;
      --blue-50:#f3f8fb;
      --ink:#203449;
      --muted:#6d8192;
      --line:#d9e5ec;
      --warm:#fbfcfb;
      --coral:#d9826d;
      --green:#4e9a88;
      --danger:#c96568;
      --shadow:0 14px 40px rgba(32,72,102,.09);
      --shadow-hover:0 20px 48px rgba(32,72,102,.15);
      --radius:20px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid rgba(65,127,165,.38);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(251,252,251,.96);border-bottom:1px solid transparent;transition:.25s ease}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 8px 22px rgba(30,65,90,.06)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px;color:var(--blue-950);font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;border:2px solid var(--blue-700);border-radius:11px;position:relative}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--blue-700);border-radius:5px}
    .brand-mark:before{width:13px;height:2px;left:8px;top:10px;box-shadow:0 7px 0 var(--coral)}
    .brand-mark:after{width:2px;height:13px;left:16px;top:9px}
    .brand-text{font-size:17px;line-height:1.2}
    .main-nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav-link{padding:10px 15px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:650;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue-900);background:var(--blue-50)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-pill{display:flex;align-items:center;gap:7px;padding:9px 13px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:13px;background:#fff}
    .search-pill:hover{border-color:var(--blue-700);color:var(--blue-900)}
    .age-mini{font-size:13px;color:var(--coral);font-weight:700;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border-radius:11px;border:1px solid transparent;font-size:14px;font-weight:750;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-primary{background:var(--blue-900);color:#fff;box-shadow:0 8px 18px rgba(32,75,112,.16)}
    .btn-primary:hover{background:var(--blue-950);transform:translateY(-2px);box-shadow:0 12px 24px rgba(32,75,112,.23)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{background:#fff;color:var(--blue-900);border-color:#bcd1de}
    .btn-secondary:hover{background:var(--blue-50);border-color:var(--blue-700)}
    .menu-toggle{display:none;background:none;border:0;color:var(--blue-900);font-size:25px}
    .channel-bar{border-top:1px solid #edf2f5;overflow:auto;white-space:nowrap}
    .channel-inner{display:flex;gap:24px;min-height:38px;align-items:center;color:var(--muted);font-size:12px}
    .channel-inner a:hover{color:var(--blue-900)}
    .hero{position:relative;overflow:hidden;padding:92px 0 84px;background:linear-gradient(115deg,#eef7fa 0%,#fbfcfb 58%,#f5f1ed 100%);border-bottom:1px solid var(--line)}
    .hero:before{content:"";position:absolute;inset:0;opacity:.45;background-image:linear-gradient(rgba(65,127,165,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(65,127,165,.08) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 75%)}
    .hero-grid{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue-800);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(2.35rem,5vw,4.5rem);line-height:1.12;letter-spacing:-.065em;margin:20px 0 22px;color:var(--blue-950)}
    .hero-copy{max-width:620px;color:#5d7283;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 23px}
    .hero-note{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:12px;max-width:470px}
    .hero-note strong{color:var(--coral)}
    .explore-frame{background:#fff;border:1px solid #d4e3eb;border-radius:25px;padding:17px;box-shadow:var(--shadow);transform:rotate(1.2deg)}
    .preview-cover{height:245px;border-radius:17px;position:relative;overflow:hidden;background:linear-gradient(135deg,#d6e7ef,#eff6f6 48%,#e8dcd7)}
    .preview-cover:before{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(47,100,141,.25);border-radius:50%;left:16%;top:-30px}
    .preview-cover:after{content:"";position:absolute;width:360px;height:1px;background:rgba(47,100,141,.3);transform:rotate(-26deg);left:0;top:53%}
    .preview-label{position:absolute;left:19px;top:17px;padding:6px 9px;border-radius:7px;background:rgba(255,255,255,.75);color:var(--blue-900);font-size:11px;font-weight:750}
    .preview-code{position:absolute;right:20px;bottom:17px;color:rgba(32,75,112,.55);font-size:12px;letter-spacing:.1em}
    .play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;border:1px solid rgba(32,75,112,.2);background:#fff;color:var(--blue-900);font-size:21px;box-shadow:0 8px 18px rgba(32,75,112,.14)}
    .play-button:hover{transform:translate(-50%,-50%) scale(1.06);color:var(--coral)}
    .preview-meta{display:flex;justify-content:space-between;padding:15px 4px 2px;font-size:12px;color:var(--muted)}
    .preview-meta b{color:var(--blue-900)}
    .section{padding:104px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(1.7rem,3vw,2.65rem);line-height:1.25;letter-spacing:-.045em;margin:13px 0 0;color:var(--blue-950)}
    .section-intro{max-width:520px;color:var(--muted);margin:0}
    .browse-layout{display:grid;grid-template-columns:220px 1fr;gap:42px}
    .index-rail{border-left:2px solid #c9dce6;padding-left:20px;display:flex;flex-direction:column;gap:19px}
    .index-rail a{color:var(--muted);font-size:14px}
    .index-rail a.active,.index-rail a:hover{color:var(--blue-900);font-weight:750}
    .index-num{display:block;color:var(--coral);font-size:11px;letter-spacing:.1em}
    .card-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.24s ease}
    .content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a8c7d8}
    .content-card.wide{grid-column:1 / -1;display:grid;grid-template-columns:1.3fr 1fr;gap:23px;align-items:center}
    .card-visual{height:145px;border-radius:14px;background:linear-gradient(135deg,#e1eef3,#f3f5f1);position:relative;overflow:hidden}
    .wide .card-visual{height:176px}
    .card-visual:after{content:"";position:absolute;width:160%;height:1px;background:rgba(47,100,141,.25);top:55%;left:-20%;transform:rotate(22deg)}
    .card-visual span{position:absolute;right:13px;bottom:11px;font-size:11px;color:var(--blue-800);letter-spacing:.12em}
    .tag{display:inline-flex;padding:5px 8px;border-radius:6px;background:var(--blue-50);color:var(--blue-800);font-size:11px;font-weight:750}
    .tag.coral{background:#fff1ed;color:#b76657}
    .card-title{font-size:18px;line-height:1.4;color:var(--blue-950);margin:13px 0 8px}
    .card-text{font-size:13px;line-height:1.7;color:var(--muted);margin-bottom:15px}
    .card-foot{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px}
    .text-link{color:var(--blue-800);font-weight:750;font-size:13px}
    .text-link:hover{color:var(--coral)}
    .info-strip{background:var(--blue-950);color:#fff;padding:55px 0}
    .info-strip .section-kicker{color:#b9d5e3}
    .info-strip .section-kicker:before{background:var(--coral)}
    .info-grid{display:grid;grid-template-columns:1.1fr 2fr;gap:45px;align-items:center}
    .info-strip h2{font-size:32px;line-height:1.3;margin:14px 0 0}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid rgba(255,255,255,.2)}
    .metric{padding:6px 22px;border-right:1px solid rgba(255,255,255,.2)}
    .metric strong{display:block;color:#d9edf5;font-size:17px;margin-bottom:7px}
    .metric span{display:block;color:#a8c1ce;font-size:12px;line-height:1.6}
    .featured{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .feature-main{padding:25px;border-radius:var(--radius);background:#eaf3f6;border:1px solid #cfe0e8;min-height:300px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .feature-main:before{content:"精选索引";position:absolute;right:30px;top:28px;color:rgba(47,100,141,.22);font-size:40px;font-weight:800;letter-spacing:-.08em}
    .feature-main h3{font-size:26px;max-width:480px;line-height:1.35;margin:15px 0 8px;color:var(--blue-950)}
    .feature-main p{max-width:520px;color:var(--muted);font-size:14px}
    .side-list{display:flex;flex-direction:column;gap:12px}
    .list-item{display:flex;gap:14px;align-items:center;padding:15px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.2s}
    .list-item:hover{border-color:#a8c7d8;transform:translateX(3px)}
    .list-thumb{width:65px;height:65px;flex:none;border-radius:11px;background:linear-gradient(135deg,#dcebf1,#f0e6e1)}
    .list-item h4{font-size:14px;line-height:1.45;margin:6px 0 4px;color:var(--blue-950)}
    .list-item small{color:var(--muted);font-size:11px}
    .path-section{background:#f2f7f8}
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .path-grid:before{content:"";position:absolute;left:8%;right:8%;top:25px;border-top:1px dashed #a9c8d5}
    .path-item{position:relative;padding:0 18px;text-align:center}
    .path-dot{position:relative;margin:0 auto 22px;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid #aac7d6;color:var(--blue-900);font-weight:800;box-shadow:0 5px 15px rgba(32,75,112,.08)}
    .path-item h3{font-size:16px;margin-bottom:7px;color:var(--blue-950)}
    .path-item p{font-size:13px;color:var(--muted);line-height:1.7}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px}
    .faq-layout h2{font-size:34px;line-height:1.3;margin:14px 0}
    .faq-layout .lead{color:var(--muted)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:20px 0;background:none;border:0;text-align:left;display:flex;justify-content:space-between;gap:20px;color:var(--blue-950);font-weight:750}
    .faq-question span:last-child{color:var(--coral);font-size:20px;transition:.2s}
    .faq-answer{display:none;padding:0 32px 20px 0;color:var(--muted);font-size:14px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .contact-section{padding-top:30px}
    .contact-box{display:grid;grid-template-columns:1fr .8fr;gap:45px;padding:45px;border-radius:25px;background:#eaf3f6;border:1px solid #cfe0e8}
    .contact-box h2{font-size:32px;line-height:1.3;margin:13px 0}
    .contact-box p{color:var(--muted);font-size:14px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:700;color:var(--blue-950)}
    input,select,textarea{width:100%;border:1px solid #c9dce5;background:#fff;border-radius:10px;padding:11px 13px;color:var(--ink);transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:var(--blue-700);box-shadow:0 0 0 3px rgba(65,127,165,.12);outline:0}
    textarea{min-height:115px;resize:vertical}
    .checkline{display:flex;gap:9px;align-items:flex-start;margin:14px 0;color:var(--muted);font-size:12px}
    .checkline input{width:17px;height:17px;margin-top:4px}
    .form-status{display:none;margin-top:12px;color:var(--green);font-size:13px}
    .rule-card{padding:24px;border-radius:17px;background:#fff;border:1px solid var(--line);align-self:start}
    .rule-card h3{font-size:17px;color:var(--blue-950);margin-bottom:14px}
    .rule-list{list-style:none;margin:0;padding:0}
    .rule-list li{padding:10px 0;border-bottom:1px solid #edf2f4;color:var(--muted);font-size:13px}
    .rule-list li:last-child{border-bottom:0}
    .rule-list li:before{content:"✓";color:var(--green);font-weight:800;margin-right:8px}
    footer{padding:40px 0 28px;border-top:1px solid var(--line);background:#fff}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px}
    .footer-desc{max-width:360px;color:var(--muted);font-size:13px;margin-top:14px}
    .footer-links{display:flex;gap:22px;align-items:flex-start;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--blue-900)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid #edf2f4;color:#8a9aa5;font-size:11px}
    .age-banner{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(24,52,78,.42)}
    .age-dialog{width:min(480px,100%);padding:34px;background:#fff;border-radius:22px;box-shadow:0 22px 70px rgba(24,52,78,.28);text-align:center}
    .age-dialog h2{font-size:25px;color:var(--blue-950);margin-bottom:12px}
    .age-dialog p{font-size:14px;color:var(--muted);line-height:1.8}
    .age-actions{display:flex;justify-content:center;gap:10px;margin-top:22px}
    .age-deny{border:0;background:none;color:var(--muted);font-size:13px}
    @media(max-width:1024px){
      .brand{min-width:auto}.main-nav{gap:0}.nav-link{padding:9px 10px}.age-mini{display:none}
      .hero-grid{gap:35px}.section{padding:82px 0}.info-grid{grid-template-columns:1fr;gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}.nav-wrap{height:68px}.main-nav,.nav-actions .search-pill,.nav-actions .btn{display:none}.menu-toggle{display:block;margin-left:auto}
      .mobile-open .main-nav{display:flex;position:absolute;left:16px;right:16px;top:62px;padding:12px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}
      .mobile-open .nav-link{padding:13px 14px}.hero{padding:65px 0 60px}.hero-grid,.browse-layout,.featured,.faq-layout,.contact-box{grid-template-columns:1fr}
      h1{font-size:clamp(2.25rem,11vw,3.4rem)}.explore-frame{transform:none}.section-head{display:block}.section-intro{margin-top:14px}.index-rail{flex-direction:row;overflow:auto;border-left:0;border-bottom:2px solid #c9dce6;padding:0 0 12px;white-space:nowrap}.card-grid{grid-template-columns:1fr}.content-card.wide{display:block}.wide .card-visual{margin-bottom:18px}.metrics{grid-template-columns:1fr 1fr;border-left:0;gap:18px}.metric{border-right:0;padding:10px 0}.path-grid{grid-template-columns:1fr 1fr;gap:28px}.path-grid:before{display:none}.contact-box{padding:28px 20px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:24px}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .brand-text{font-size:15px}.channel-inner{gap:18px}.hero-actions .btn{width:100%}.preview-cover{height:200px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.path-grid{grid-template-columns:1fr}.age-dialog{padding:28px 21px}.age-actions{flex-direction:column}.age-actions .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --blue-950:#18344e;
      --blue-900:#204b70;
      --blue-800:#2f648d;
      --blue-700:#417fa5;
      --blue-100:#e7f1f7;
      --blue-50:#f3f8fb;
      --ink:#203449;
      --muted:#6d8192;
      --line:#d9e5ec;
      --warm:#fbfcfb;
      --coral:#d9826d;
      --green:#4e9a88;
      --danger:#c96568;
      --shadow:0 14px 40px rgba(32,72,102,.09);
      --shadow-hover:0 20px 48px rgba(32,72,102,.15);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(251,252,251,.97);border-bottom:1px solid transparent;transition:.25s ease}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 8px 22px rgba(30,65,90,.06)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px;color:var(--blue-950);font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;border:2px solid var(--blue-700);border-radius:11px;position:relative}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--blue-700);border-radius:5px}
    .brand-mark:before{width:13px;height:2px;left:8px;top:10px;box-shadow:0 7px 0 var(--coral)}
    .brand-mark:after{width:2px;height:13px;left:16px;top:9px}
    .brand-text{font-size:17px;line-height:1.2}
    .main-nav{display:flex;align-items:center;gap:7px;flex:1}
    .nav-link{padding:10px 15px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:650;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue-900);background:var(--blue-50)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-pill{display:flex;align-items:center;gap:7px;padding:9px 13px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:13px;background:#fff}
    .search-pill:hover{border-color:var(--blue-700);color:var(--blue-900)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border-radius:11px;border:1px solid transparent;font-size:14px;font-weight:750;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-primary{background:var(--blue-900);color:#fff;box-shadow:0 8px 18px rgba(32,75,112,.16)}
    .btn-primary:hover{background:var(--blue-950);transform:translateY(-2px);box-shadow:0 12px 24px rgba(32,75,112,.23)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
    .btn-secondary{background:#fff;color:var(--blue-900);border-color:#bcd1de}
    .btn-secondary:hover{background:var(--blue-50);border-color:var(--blue-700)}
    .menu-toggle{display:none;background:none;border:0;color:var(--blue-900);font-size:25px}
    .channel-bar{border-top:1px solid #edf2f4;background:#fff}
    .channel-inner{display:flex;gap:25px;overflow-x:auto;white-space:nowrap;padding:10px 0;color:var(--muted);font-size:12px}
    .channel-inner a{transition:.2s}
    .channel-inner a:hover,.channel-inner a.active{color:var(--blue-900);font-weight:750}
    .page-hero{padding:72px 0 60px;background:linear-gradient(120deg,#eef7fa 0%,#fbfcfb 64%,#f8f2ee 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;opacity:.42;background-image:linear-gradient(rgba(65,127,165,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(65,127,165,.08) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,#000,transparent 80%)}
    .hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:60px;align-items:center}
    .breadcrumb{display:flex;gap:10px;color:var(--muted);font-size:13px;margin-bottom:24px}
    .breadcrumb a:hover{color:var(--blue-900)}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue-800);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--coral)}
    h1{font-size:clamp(2.1rem,4.2vw,4rem);line-height:1.15;letter-spacing:-.055em;color:var(--blue-950);margin:16px 0}
    .hero-copy{max-width:680px;color:#5d7283;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 20px}
    .hero-note{display:flex;gap:9px;color:var(--muted);font-size:12px;max-width:580px}
    .hero-note strong{color:var(--coral)}
    .map-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow);position:relative}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px}
    .panel-title{font-weight:800;color:var(--blue-950)}
    .panel-code{font-size:11px;color:var(--coral);letter-spacing:.12em}
    .path{padding:25px 8px 10px;position:relative}
    .path:before{content:"";position:absolute;left:20px;top:35px;bottom:25px;width:1px;background:#bcd1de}
    .path-item{display:flex;align-items:flex-start;gap:16px;position:relative;margin-bottom:24px}
    .node{width:25px;height:25px;flex:0 0 25px;border-radius:50%;background:var(--blue-100);border:5px solid #fff;box-shadow:0 0 0 1px #a9c6d5;z-index:1}
    .path-item:first-child .node{background:var(--coral)}
    .path-item b{display:block;color:var(--blue-900);font-size:14px}
    .path-item span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .filter-section{padding:72px 0 32px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-head h2{font-size:clamp(1.7rem,3vw,2.55rem);line-height:1.25;letter-spacing:-.045em;margin:13px 0 0;color:var(--blue-950)}
    .section-intro{max-width:540px;color:var(--muted);margin:0}
    .filter-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 8px 25px rgba(32,72,102,.05);display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr auto;gap:12px;align-items:center}
    .input,.select{width:100%;min-height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);padding:0 13px;outline:none}
    .input:focus,.select:focus,textarea:focus{border-color:var(--blue-700);box-shadow:0 0 0 4px rgba(65,127,165,.13)}
    .filter-label{font-size:11px;color:var(--muted);display:block;margin:0 0 4px 2px}
    .results-line{display:flex;justify-content:space-between;align-items:center;margin:26px 0 18px;color:var(--muted);font-size:13px}
    .results-line strong{color:var(--blue-900)}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap}
    .tag{display:inline-flex;padding:5px 9px;border-radius:6px;background:var(--blue-50);color:var(--blue-800);font-size:11px;font-weight:750}
    .tag.coral{background:#fff1ed;color:#b76657}
    .content-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.24s ease}
    .content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a8c7d8}
    .content-card.featured{grid-row:span 2}
    .card-visual{height:154px;border-radius:14px;background:linear-gradient(135deg,#e1eef3,#f3f5f1);position:relative;overflow:hidden;margin-bottom:17px}
    .featured .card-visual{height:285px}
    .card-visual:before{content:"";position:absolute;width:180%;height:1px;background:rgba(47,100,141,.26);top:55%;left:-30%;transform:rotate(23deg);box-shadow:0 34px 0 rgba(217,130,109,.18)}
    .card-visual:after{content:"";position:absolute;width:80px;height:80px;border:1px solid rgba(47,100,141,.22);border-radius:50%;right:18%;top:22%}
    .visual-label{position:absolute;left:14px;top:13px;font-size:11px;color:var(--blue-800);letter-spacing:.12em}
    .visual-number{position:absolute;right:14px;bottom:11px;color:var(--blue-800);font-size:11px;font-weight:800}
    .card-title{font-size:18px;line-height:1.4;color:var(--blue-950);margin:13px 0 8px}
    .card-text{font-size:13px;line-height:1.72;color:var(--muted);margin:0 0 15px}
    .card-foot{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px}
    .text-link{color:var(--blue-800);font-weight:750;font-size:13px}
    .text-link:hover{color:var(--coral)}
    .info-section{padding:92px 0}
    .info-layout{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start}
    .info-panel{background:var(--blue-950);color:#fff;border-radius:22px;padding:30px;box-shadow:var(--shadow)}
    .info-panel h2{font-size:29px;line-height:1.3;margin:12px 0;color:#fff}
    .info-panel p{color:#cbdbe5;font-size:14px}
    .info-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .info-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
    .info-item b{display:block;color:var(--blue-900);font-size:16px;margin-bottom:5px}
    .info-item span{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{padding:25px 22px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-num{color:var(--coral);font-size:12px;font-weight:800;letter-spacing:.12em}
    .step h3{font-size:16px;color:var(--blue-950);margin:12px 0 5px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{max-width:850px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;background:none;border:0;text-align:left;padding:21px 5px;color:var(--blue-950);font-weight:750;display:flex;justify-content:space-between;align-items:center}
    .faq-question span:last-child{font-size:20px;color:var(--blue-700);transition:.2s}
    .faq-answer{display:none;padding:0 35px 20px 5px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{margin:20px 0 90px;background:var(--blue-100);border:1px solid #c9dce6;border-radius:24px;padding:38px 44px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{color:var(--blue-950);font-size:26px;line-height:1.35;margin:0 0 8px}
    .cta p{color:var(--muted);margin:0;font-size:14px}
    footer{background:#f1f6f8;border-top:1px solid var(--line);padding:42px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:30px}
    .footer-desc{max-width:390px;color:var(--muted);font-size:13px;margin:15px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;gap:18px;align-content:flex-start;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--blue-900)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}
    :focus-visible{outline:3px solid rgba(217,130,109,.55);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:15px}.brand{min-width:215px}.nav-link{padding:9px 10px}
      .filter-box{grid-template-columns:1fr 1fr 1fr}.filter-box .search-field{grid-column:1/-1}
      .content-grid{grid-template-columns:1fr 1fr}.content-card.featured{grid-row:auto;grid-column:1/-1}.featured .card-visual{height:210px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .nav-wrap{height:68px}.main-nav,.nav-actions .search-pill{display:none}.menu-toggle{display:block;margin-left:auto}
      .nav-wrap.menu-open .main-nav{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}
      .nav-wrap.menu-open .nav-link{padding:13px}
      .nav-actions{display:none}
      .hero-grid,.info-layout{grid-template-columns:1fr;gap:34px}.page-hero{padding:52px 0 48px}
      .section-head{display:block}.section-intro{margin-top:12px}
      .filter-section,.info-section{padding:60px 0 28px}
      .steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .cta{margin:18px 0 60px;padding:28px;display:block}.cta .btn{margin-top:20px}
      .footer-top,.footer-bottom{display:block}.footer-links{margin-top:24px}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      h1{font-size:2.15rem}.hero-copy{font-size:15px}.filter-box{grid-template-columns:1fr}.filter-box .search-field{grid-column:auto}
      .content-grid,.info-list{grid-template-columns:1fr}.content-card.featured{grid-column:auto}.featured .card-visual{height:180px}
      .steps{grid-template-columns:1fr}.step,.step:nth-child(2){border-right:0;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}
      .panel-title{font-size:14px}
    }