/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --primary-soft:#EEF5FF;
      --secondary:#0EA5E9;
      --cyan-soft:#E8F8FF;
      --orange:#F59E0B;
      --orange-soft:#FFF7E6;
      --bg:#F6F9FF;
      --bg-2:#EEF5FF;
      --surface:#FFFFFF;
      --surface-muted:#FAFCFF;
      --text:#172033;
      --muted:#5B667A;
      --weak:#8A94A6;
      --border:#E4EAF5;
      --border-strong:#C9D7EE;
      --footer:#0F172A;
      --shadow:0 18px 45px rgba(31,70,130,.10);
      --shadow-hover:0 24px 60px rgba(31,70,130,.16);
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:24px;
      --radius-xl:30px;
      --container:1180px;
      --cover:1240px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(56,189,248,.18), transparent 28%),
        radial-gradient(circle at 88% 16%, rgba(37,99,235,.10), transparent 30%),
        linear-gradient(180deg,#F8FBFF 0%,var(--bg) 44%,#FFFFFF 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer;background:none}
    ::selection{background:rgba(37,99,235,.16);color:var(--primary-dark)}
    .container{width:min(100% - 48px,var(--container));margin:0 auto}
    .wide-container{width:min(100% - 48px,var(--cover));margin:0 auto}
    .section{padding:82px 0}
    .section.compact{padding:58px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:28px}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--primary);font-weight:700;font-size:13px;
      background:var(--primary-soft);border:1px solid #DCE9FF;
      border-radius:999px;padding:6px 12px;margin-bottom:12px;
    }
    .section-title{font-size:34px;line-height:1.22;letter-spacing:-.02em}
    .section-desc{color:var(--muted);max-width:650px;margin-top:10px}
    .muted{color:var(--muted)}
    .header{
      position:sticky;top:0;z-index:50;padding:22px 0 10px;
      pointer-events:none;
    }
    .dock{
      width:min(100% - 48px,1120px);
      margin:0 auto;
      min-height:68px;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      background:rgba(255,255,255,.94);
      border:1px solid var(--border);
      border-radius:999px;
      box-shadow:0 14px 38px rgba(31,70,130,.12);
      padding:8px 10px 8px 16px;
      pointer-events:auto;
    }
    .brand{
      display:flex;align-items:center;gap:10px;min-width:max-content;
      padding-right:14px;border-right:1px solid var(--border);
      font-weight:800;color:var(--text);
    }
    .brand-mark{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.25);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{
      content:"";position:absolute;width:22px;height:22px;border-radius:8px;
      border:2px solid rgba(255,255,255,.62);transform:rotate(14deg);
    }
    .brand-text{white-space:nowrap;font-size:16px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-link{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:42px;padding:0 14px;border-radius:999px;
      color:var(--muted);font-weight:700;font-size:14px;
      transition:var(--ease);
    }
    .nav-link:hover,.nav-link:focus-visible{background:var(--primary-soft);color:var(--primary);outline:none}
    .nav-link.active{background:var(--primary-soft);color:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-pill{
      display:flex;align-items:center;gap:8px;min-height:42px;
      padding:0 14px;border:1px solid var(--border);
      border-radius:999px;background:var(--surface-muted);color:var(--weak);
      transition:var(--ease);
    }
    .search-pill:hover{border-color:#CFE0FA;background:#fff;color:var(--primary)}
    .search-pill input{
      width:130px;border:0;outline:0;background:transparent;color:var(--text);
      font-size:14px;
    }
    .search-pill input::placeholder{color:var(--weak)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:12px 20px;border-radius:999px;
      font-weight:800;transition:var(--ease);white-space:nowrap;
      border:1px solid transparent;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.20)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 30px rgba(37,99,235,.28)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:#CFE0FA}
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-ghost{color:var(--primary);padding:8px 0;min-height:auto;border-radius:0}
    .btn-ghost .arrow{transition:transform .22s ease}
    .btn-ghost:hover .arrow{transform:translateX(4px)}
    .btn:focus-visible,.mobile-toggle:focus-visible,input:focus-visible{outline:3px solid rgba(37,99,235,.18);outline-offset:3px}
    .mobile-toggle{
      display:none;width:44px;height:44px;border-radius:999px;
      background:var(--primary-soft);color:var(--primary);font-weight:900;
    }

    .hero{padding:48px 0 34px}
    .hero-wrap{
      position:relative;
      display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(238,245,255,.92)),
        radial-gradient(circle at 86% 18%,rgba(14,165,233,.14),transparent 34%);
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:58px;
      overflow:hidden;
    }
    .hero-wrap:before{
      content:"";position:absolute;inset:0;
      background-image:linear-gradient(rgba(37,99,235,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.055) 1px,transparent 1px);
      background-size:26px 26px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.16),transparent 65%);
      pointer-events:none;
    }
    .hero-copy,.cover-card{position:relative;z-index:1}
    .hero-badge{
      display:inline-flex;align-items:center;gap:8px;
      background:#fff;border:1px solid var(--border);border-radius:999px;
      padding:7px 12px;color:var(--primary);font-weight:800;font-size:13px;
      box-shadow:0 8px 18px rgba(31,70,130,.08);margin-bottom:18px;
    }
    h1{
      font-size:50px;line-height:1.14;letter-spacing:-.035em;
      max-width:680px;margin-bottom:18px;
    }
    .hero-sub{font-size:18px;color:var(--muted);max-width:640px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:650px}
    .stat{
      background:#fff;border:1px solid var(--border);border-radius:16px;
      padding:14px 16px;box-shadow:0 8px 22px rgba(31,70,130,.06);
    }
    .stat strong{display:block;font-size:22px;line-height:1.1;color:var(--primary)}
    .stat span{font-size:13px;color:var(--muted)}
    .cover-card{
      border-radius:30px;background:linear-gradient(155deg,#EFF7FF 0%,#FFFFFF 56%,#EAF8FF 100%);
      border:1px solid #DDE9FA;box-shadow:0 26px 60px rgba(31,70,130,.14);
      padding:24px;min-height:430px;
    }
    .cover-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
    .cover-title{font-weight:900;font-size:20px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:5px 10px;font-size:12px;font-weight:800;border:1px solid transparent;
    }
    .badge-blue{background:var(--primary-soft);color:var(--primary);border-color:#DCE9FF}
    .badge-cyan{background:var(--cyan-soft);color:#047AA5;border-color:#CFEEFA}
    .badge-orange{background:var(--orange-soft);color:#A86405;border-color:#FFE2A8}
    .badge-gray{background:#F3F6FB;color:#667085;border-color:#E8EEF7}
    .cover-visual{
      height:146px;border-radius:24px;margin-bottom:20px;position:relative;overflow:hidden;
      background:
        radial-gradient(circle at 22% 22%,rgba(37,99,235,.35),transparent 24%),
        radial-gradient(circle at 75% 40%,rgba(14,165,233,.28),transparent 26%),
        linear-gradient(135deg,#DCEBFF,#FFFFFF);
      border:1px solid #DCE9FF;
    }
    .cover-visual:before,.cover-visual:after{
      content:"";position:absolute;border-radius:999px;background:rgba(255,255,255,.72);
    }
    .cover-visual:before{width:150px;height:22px;left:28px;bottom:32px}
    .cover-visual:after{width:96px;height:22px;left:28px;bottom:62px}
    .cover-lines{display:grid;gap:12px}
    .cover-line{
      display:grid;grid-template-columns:46px 1fr auto;gap:12px;align-items:center;
      background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px;
    }
    .cover-num{
      width:38px;height:38px;border-radius:14px;display:grid;place-items:center;
      background:var(--primary-soft);color:var(--primary);font-weight:900;
    }
    .line-main b{display:block;font-size:14px}
    .line-main span{display:block;color:var(--weak);font-size:12px}
    .quick-tags{
      margin-top:18px;display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;
      scrollbar-width:none;
    }
    .quick-tags::-webkit-scrollbar{display:none}
    .quick-tag{
      flex:0 0 auto;background:#fff;border:1px solid var(--border);color:var(--muted);
      border-radius:999px;padding:8px 13px;font-weight:700;font-size:13px;
      transition:var(--ease);
    }
    .quick-tag:hover{border-color:#BFD4F6;color:var(--primary);background:var(--primary-soft)}

    .directory-grid{display:grid;grid-template-columns:.95fr 1.25fr;gap:24px;align-items:stretch}
    .feature-panel{
      background:linear-gradient(160deg,#FFFFFF 0%,#F1F7FF 100%);
      border:1px solid var(--border);border-radius:var(--radius-lg);
      box-shadow:var(--shadow);padding:28px;position:relative;overflow:hidden;
    }
    .feature-panel:after{
      content:"";position:absolute;right:-50px;top:-50px;width:190px;height:190px;
      border-radius:50%;background:rgba(56,189,248,.14);
    }
    .feature-panel h3{font-size:26px;line-height:1.25;margin:18px 0 12px;position:relative}
    .feature-panel p{color:var(--muted);position:relative}
    .feature-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative}
    .directory-list{display:grid;gap:12px}
    .dir-item{
      display:grid;grid-template-columns:54px 1fr auto;gap:16px;align-items:center;
      background:#fff;border:1px solid var(--border);border-radius:18px;
      padding:16px;transition:var(--ease);
    }
    .dir-item:hover{border-color:#BCD4FA;transform:translateY(-3px);box-shadow:var(--shadow)}
    .dir-item:hover .dir-num{background:var(--primary);color:#fff}
    .dir-num{
      width:48px;height:48px;border-radius:16px;background:var(--primary-soft);
      color:var(--primary);display:grid;place-items:center;font-weight:900;transition:var(--ease)
    }
    .dir-body h3{font-size:18px;margin-bottom:2px}
    .dir-body p{color:var(--muted);font-size:14px;line-height:1.55}
    .picked-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .picked-large,.picked-small,.related-card,.proof-card,.faq-item,.cta-card{
      background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--ease)
    }
    .picked-large{border-radius:var(--radius-lg);padding:26px;min-height:360px;display:flex;flex-direction:column;justify-content:space-between}
    .picked-large:hover,.picked-small:hover,.related-card:hover,.proof-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#BCD4FA}
    .abstract-block{
      height:136px;border-radius:22px;margin-bottom:20px;
      background:
        linear-gradient(135deg,rgba(37,99,235,.18),rgba(14,165,233,.08)),
        repeating-linear-gradient(135deg,rgba(37,99,235,.08) 0 8px,transparent 8px 18px);
      border:1px solid #DDE9FA;
    }
    .picked-large h3{font-size:26px;line-height:1.28;margin:12px 0}
    .picked-large p,.picked-small p{color:var(--muted)}
    .meta-row{display:flex;flex-wrap:wrap;gap:12px;color:var(--weak);font-size:13px;margin-top:18px}
    .picked-stack{display:grid;gap:16px}
    .picked-small{border-radius:20px;padding:20px}
    .picked-small h3{font-size:19px;margin:10px 0 4px}
    .proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .proof-card{border-radius:20px;padding:22px}
    .proof-card strong{display:block;font-size:30px;line-height:1.1;color:var(--primary);margin-bottom:6px}
    .proof-card span{color:var(--muted);font-size:14px}
    .recommend-wrap{
      display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;
      background:var(--surface-muted);border:1px solid var(--border);
      border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)
    }
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;align-content:flex-start}
    .cloud-title{font-size:24px;margin-bottom:16px}
    .recommend-list{display:grid;gap:12px}
    .rec-item{
      display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;
      background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;transition:var(--ease)
    }
    .rec-item:hover{border-color:#BCD4FA;transform:translateX(3px)}
    .rec-item h3{font-size:18px;margin-bottom:3px}
    .rec-item p{color:var(--muted);font-size:14px;line-height:1.58}
    .faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:12px}
    .faq-item{border-radius:18px;overflow:hidden}
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:18px 20px;text-align:left;font-weight:800;color:var(--text);
      transition:var(--ease);
    }
    .faq-question:hover{background:var(--primary-soft)}
    .faq-icon{
      width:28px;height:28px;border-radius:999px;background:var(--primary-soft);
      color:var(--primary);display:grid;place-items:center;flex:0 0 auto;font-weight:900;
    }
    .faq-answer{padding:0 20px 18px;color:var(--muted);display:none;border-left:3px solid var(--primary);margin-left:20px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{background:var(--primary);color:#fff}
    .cta-card{
      border-radius:30px;padding:36px;
      background:
        radial-gradient(circle at 84% 20%,rgba(56,189,248,.20),transparent 30%),
        linear-gradient(135deg,#EEF5FF,#FFFFFF);
      display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
      overflow:hidden;position:relative;
    }
    .cta-card h2{font-size:32px;line-height:1.22;margin-bottom:10px}
    .cta-card p{color:var(--muted);max-width:680px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .footer{
      background:var(--footer);color:#D7E0F4;padding:54px 0 24px;margin-top:60px;
    }
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:36px;margin-bottom:34px}
    .footer-brand{display:flex;align-items:center;gap:10px;font-weight:900;color:#fff;margin-bottom:14px}
    .footer-brand .brand-mark{width:36px;height:36px}
    .footer p{color:#AAB6CE;max-width:520px}
    .footer h3{font-size:16px;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer a{color:#AAB6CE;transition:var(--ease)}
    .footer a:hover{color:#7DD3FC}
    .copyright{
      border-top:1px solid rgba(226,232,240,.12);
      padding-top:20px;color:#8794AE;font-size:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap
    }

    @media (max-width:1024px){
      .hero-wrap,.directory-grid,.picked-layout,.recommend-wrap{grid-template-columns:1fr}
      .hero-wrap{padding:42px}
      h1{font-size:42px}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
      .search-pill input{display:none}
    }
    @media (max-width:820px){
      .dock{border-radius:28px;align-items:flex-start;flex-wrap:wrap}
      .brand{border-right:0;flex:1}
      .mobile-toggle{display:grid;place-items:center}
      .nav-links,.nav-actions{
        display:none;width:100%;border-top:1px solid var(--border);padding-top:12px;
      }
      .dock.menu-open .nav-links,.dock.menu-open .nav-actions{display:flex}
      .nav-links{flex-direction:column;align-items:stretch}
      .nav-link{justify-content:flex-start}
      .nav-actions{justify-content:space-between}
      .search-pill{flex:1}
      .search-pill input{display:block;width:100%}
      .section-head{display:block}
      .cta-card{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:620px){
      .container,.wide-container{width:min(100% - 36px,var(--container))}
      .header{padding-top:14px}
      .dock{width:min(100% - 28px,1120px);padding:8px}
      .brand-text{font-size:14px}
      .hero{padding-top:28px}
      .hero-wrap{padding:26px;border-radius:24px}
      h1{font-size:34px}
      .hero-sub{font-size:16px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .stats{grid-template-columns:1fr}
      .cover-card{min-height:auto;padding:18px;border-radius:24px}
      .section{padding:54px 0}
      .section.compact{padding:42px 0}
      .section-title{font-size:27px}
      .dir-item{grid-template-columns:44px 1fr;align-items:start}
      .dir-item .badge{grid-column:2}
      .dir-num{width:42px;height:42px;border-radius:14px}
      .proof-grid{grid-template-columns:1fr}
      .rec-item{grid-template-columns:1fr}
      .cta-card{padding:24px;border-radius:24px}
      .cta-card h2{font-size:26px}
      .copyright{display:block}
    }

/* roulang page: category1 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --primary-soft:#EEF5FF;
      --secondary:#38BDF8;
      --secondary-dark:#0EA5E9;
      --accent:#F59E0B;
      --bg:#F6F9FF;
      --bg-2:#EEF5FF;
      --surface:#FFFFFF;
      --surface-soft:#FAFCFF;
      --text:#172033;
      --muted:#5B667A;
      --weak:#8A94A6;
      --border:#E4EAF5;
      --border-strong:#CFE0FA;
      --footer:#0F172A;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:24px;
      --radius-xl:28px;
      --shadow:0 16px 42px rgba(31,70,130,.10);
      --shadow-hover:0 22px 56px rgba(31,70,130,.16);
      --container:1180px;
      --fast:.22s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 6%, rgba(56,189,248,.16), transparent 26%),
        radial-gradient(circle at 86% 12%, rgba(37,99,235,.10), transparent 28%),
        linear-gradient(180deg,#F8FBFF 0%,var(--bg) 45%,#FFFFFF 100%);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    input{outline:none}
    ::selection{background:rgba(37,99,235,.16)}
    .container{width:min(100% - 48px,var(--container));margin:0 auto}
    .header{
      position:sticky;
      top:0;
      z-index:50;
      padding:24px 0 12px;
      pointer-events:none;
    }
    .dock{
      width:min(100% - 48px,1120px);
      min-height:68px;
      margin:0 auto;
      padding:8px;
      border:1px solid rgba(228,234,245,.94);
      border-radius:999px;
      background:rgba(255,255,255,.94);
      box-shadow:0 14px 40px rgba(31,70,130,.11);
      display:flex;
      align-items:center;
      gap:10px;
      pointer-events:auto;
      backdrop-filter:saturate(140%) blur(10px);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 15px 10px 10px;
      border-radius:999px;
      background:#F8FBFF;
      border:1px solid var(--border);
      white-space:nowrap;
      transition:var(--fast);
    }
    .brand:hover{transform:translateY(-1px);border-color:var(--border-strong)}
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:13px;
      display:inline-block;
      position:relative;
      flex:0 0 auto;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 9px 18px rgba(37,99,235,.22);
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      width:14px;
      height:18px;
      left:10px;
      top:8px;
      border-radius:4px 4px 8px 8px;
      background:rgba(255,255,255,.88);
      transform:skewY(-8deg);
    }
    .brand-text{font-weight:800;letter-spacing:-.01em;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:4px}
    .nav-link{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:650;
      font-size:15px;
      transition:var(--fast);
      white-space:nowrap;
    }
    .nav-link:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px)}
    .nav-link.active{background:var(--primary-soft);color:var(--primary)}
    .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
    .search-pill{
      height:44px;
      min-width:210px;
      display:flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--border);
      border-radius:999px;
      padding:0 14px;
      background:#fff;
      color:var(--weak);
      transition:var(--fast);
    }
    .search-pill:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 3px rgba(37,99,235,.12);
    }
    .search-pill input{
      border:0;
      background:transparent;
      width:150px;
      color:var(--text);
      font-size:14px;
    }
    .search-pill input::placeholder{color:var(--weak)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:999px;
      font-weight:750;
      transition:var(--fast);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,.brand:focus-visible,.mobile-toggle:focus-visible,.faq-question:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(37,99,235,.16);
    }
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 12px 22px rgba(37,99,235,.20);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 28px rgba(37,99,235,.26)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:var(--border-strong);
    }
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-text{
      color:var(--primary);
      font-weight:800;
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .btn-text span{transition:var(--fast)}
    .btn-text:hover span{transform:translateX(4px)}
    .mobile-toggle{
      display:none;
      margin-left:auto;
      width:44px;
      height:44px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:20px;
      transition:var(--fast);
    }
    .mobile-toggle:hover{background:#E1ECFF}
    main{padding-top:18px}
    .hero{
      padding:54px 0 46px;
      position:relative;
    }
    .hero-wrap{
      max-width:1240px;
      margin:0 auto;
      width:calc(100% - 48px);
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:center;
      padding:34px;
      border:1px solid var(--border);
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(238,245,255,.86)),
        radial-gradient(circle at 90% 12%,rgba(56,189,248,.18),transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-wrap:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
      background-size:34px 34px;
      opacity:.18;
      mask-image:linear-gradient(90deg,transparent,black 15%,transparent 86%);
      pointer-events:none;
    }
    .hero-content,.stat-panel{position:relative;z-index:1}
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--weak);
      font-size:14px;
      margin-bottom:16px;
      flex-wrap:wrap;
    }
    .breadcrumb a{color:var(--muted);transition:var(--fast)}
    .breadcrumb a:hover{color:var(--primary)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    h1{
      font-size:46px;
      line-height:1.15;
      letter-spacing:-.04em;
      max-width:680px;
      margin-bottom:18px;
    }
    .hero-lead{
      max-width:720px;
      color:var(--muted);
      font-size:18px;
      line-height:1.8;
      margin-bottom:24px;
    }
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
    .hero-tags{display:flex;gap:10px;flex-wrap:wrap}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:750;
      border:1px solid transparent;
      line-height:1.4;
    }
    .badge-blue{background:var(--primary-soft);color:var(--primary);border-color:#DBEAFE}
    .badge-cyan{background:#ECFEFF;color:#0284C7;border-color:#CFFAFE}
    .badge-orange{background:#FFF7ED;color:#B45309;border-color:#FED7AA}
    .badge-gray{background:#F3F6FB;color:#64748B;border-color:#E2E8F0}
    .stat-panel{
      border-radius:28px;
      background:linear-gradient(180deg,#fff,#F8FBFF);
      border:1px solid var(--border);
      padding:22px;
      box-shadow:0 18px 44px rgba(31,70,130,.10);
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .panel-title{font-size:20px;font-weight:850}
    .mini-cover{
      height:156px;
      border-radius:22px;
      background:
        radial-gradient(circle at 20% 20%,rgba(56,189,248,.38),transparent 32%),
        linear-gradient(135deg,#EAF4FF,#FFFFFF 52%,#EFF6FF);
      border:1px solid var(--border);
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      margin-bottom:18px;
      overflow:hidden;
      position:relative;
    }
    .mini-cover:after{
      content:"";
      position:absolute;
      width:180px;height:180px;border-radius:50%;
      right:-70px;bottom:-80px;
      background:rgba(37,99,235,.10);
    }
    .cover-lines{display:grid;gap:9px;width:72%;position:relative;z-index:1}
    .cover-lines i{display:block;height:10px;border-radius:999px;background:#CFE0FA}
    .cover-lines i:nth-child(2){width:84%}
    .cover-lines i:nth-child(3){width:58%}
    .panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .stat{
      padding:14px 12px;
      border-radius:16px;
      background:var(--surface-soft);
      border:1px solid var(--border);
    }
    .stat strong{display:block;font-size:24px;line-height:1.1;color:var(--primary)}
    .stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
    .section{padding:74px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{color:var(--primary);font-weight:850;font-size:14px;margin-bottom:6px}
    h2{font-size:34px;line-height:1.22;letter-spacing:-.03em}
    .section-desc{color:var(--muted);max-width:620px}
    .layout{
      display:grid;
      grid-template-columns:270px minmax(0,1fr);
      gap:26px;
      align-items:start;
    }
    .side-index{
      position:sticky;
      top:104px;
      border:1px solid var(--border);
      border-radius:24px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
      padding:16px;
    }
    .side-title{
      font-size:15px;
      font-weight:850;
      color:var(--text);
      padding:4px 6px 12px;
    }
    .filter-list{display:grid;gap:8px}
    .filter-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      color:var(--muted);
      font-weight:700;
      transition:var(--fast);
      border:1px solid transparent;
    }
    .filter-item small{color:var(--weak);font-weight:750}
    .filter-item:hover{background:var(--primary-soft);color:var(--primary)}
    .filter-item.active{
      background:var(--primary);
      color:#fff;
      box-shadow:0 10px 20px rgba(37,99,235,.20);
    }
    .filter-item.active small{color:rgba(255,255,255,.78)}
    .mobile-filters{
      display:none;
      gap:10px;
      overflow-x:auto;
      padding-bottom:8px;
      scrollbar-width:none;
      margin-bottom:18px;
    }
    .mobile-filters::-webkit-scrollbar{display:none}
    .pill{
      flex:0 0 auto;
      padding:9px 13px;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:var(--muted);
      font-weight:750;
      white-space:nowrap;
    }
    .pill.active{background:var(--primary);border-color:var(--primary);color:#fff}
    .content-flow{display:grid;gap:16px}
    .entry-card{
      display:grid;
      grid-template-columns:72px minmax(0,1fr) auto;
      gap:18px;
      align-items:center;
      padding:20px;
      border:1px solid var(--border);
      border-radius:22px;
      background:#fff;
      box-shadow:0 10px 28px rgba(31,70,130,.07);
      transition:var(--fast);
    }
    .entry-card:hover{
      transform:translateY(-3px);
      border-color:#BFDBFE;
      box-shadow:var(--shadow-hover);
    }
    .entry-card:hover .entry-no{background:var(--primary-dark);color:#fff}
    .entry-card.featured{
      grid-template-columns:88px minmax(0,1fr) 176px;
      padding:26px;
      background:
        radial-gradient(circle at 90% 12%,rgba(56,189,248,.16),transparent 30%),
        linear-gradient(135deg,#FFFFFF,#F8FBFF);
      border-radius:28px;
    }
    .entry-no{
      width:58px;
      height:58px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      transition:var(--fast);
    }
    .entry-card.featured .entry-no{width:68px;height:68px;font-size:18px}
    .entry-content h3{
      font-size:21px;
      line-height:1.35;
      margin-bottom:8px;
      letter-spacing:-.02em;
    }
    .entry-content p{
      color:var(--muted);
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      margin-bottom:11px;
    }
    .entry-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--weak);
      font-size:13px;
    }
    .entry-art{
      height:118px;
      border-radius:20px;
      background:
        linear-gradient(135deg,rgba(37,99,235,.12),rgba(56,189,248,.22)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.65) 0 8px,rgba(255,255,255,.22) 8px 16px);
      border:1px solid #DBEAFE;
      position:relative;
      overflow:hidden;
    }
    .entry-art:before,.entry-art:after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:#fff;
      opacity:.72;
    }
    .entry-art:before{width:72px;height:72px;right:-18px;top:16px}
    .entry-art:after{width:34px;height:34px;left:18px;bottom:20px}
    .entry-action{justify-self:end}
    .toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      border:1px solid var(--border);
      background:#fff;
      border-radius:22px;
      padding:16px 18px;
      margin-bottom:16px;
      box-shadow:0 10px 24px rgba(31,70,130,.06);
    }
    .toolbar strong{font-size:18px}
    .toolbar span{color:var(--muted);font-size:14px}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .related-card{
      min-height:176px;
      border:1px solid var(--border);
      border-radius:22px;
      background:#fff;
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:0 10px 26px rgba(31,70,130,.07);
      transition:var(--fast);
    }
    .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#BFDBFE}
    .related-card h3{font-size:18px;line-height:1.35;margin:12px 0 6px}
    .related-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step{
      border:1px solid var(--border);
      border-radius:22px;
      background:#fff;
      padding:20px;
      box-shadow:0 10px 26px rgba(31,70,130,.06);
      transition:var(--fast);
    }
    .step:hover{transform:translateY(-3px);border-color:#BFDBFE}
    .step-num{
      width:38px;
      height:38px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      margin-bottom:14px;
    }
    .step h3{font-size:19px;margin-bottom:8px}
    .step p{color:var(--muted);font-size:15px}
    .faq-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
    .faq-note{
      border-radius:26px;
      border:1px solid var(--border);
      background:linear-gradient(180deg,#fff,#F8FBFF);
      padding:26px;
      box-shadow:var(--shadow);
    }
    .faq-note h2{margin-bottom:12px}
    .faq-note p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      overflow:hidden;
      transition:var(--fast);
    }
    .faq-item:hover{border-color:#BFDBFE}
    .faq-question{
      width:100%;
      text-align:left;
      background:#fff;
      color:var(--text);
      padding:17px 18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      font-weight:850;
    }
    .faq-question i{
      width:26px;height:26px;border-radius:999px;background:var(--primary-soft);
      color:var(--primary);display:flex;align-items:center;justify-content:center;
      font-style:normal;flex:0 0 auto;
    }
    .faq-answer{
      display:none;
      padding:0 18px 18px 18px;
      color:var(--muted);
      border-left:3px solid var(--primary);
      margin:0 0 16px 18px;
    }
    .faq-item.open{background:#FBFDFF}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question i{background:var(--primary);color:#fff}
    .cta{
      padding:22px 0 84px;
    }
    .cta-card{
      border-radius:30px;
      border:1px solid #D8E8FF;
      background:
        radial-gradient(circle at 8% 20%,rgba(56,189,248,.24),transparent 30%),
        linear-gradient(135deg,#EFF6FF,#FFFFFF 55%,#EAF4FF);
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      overflow:hidden;
    }
    .cta-card h2{margin-bottom:10px}
    .cta-card p{color:var(--muted);max-width:710px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .footer{
      background:var(--footer);
      color:#D8E0EE;
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .8fr .8fr;
      gap:34px;
      margin-bottom:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-size:18px;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer p{color:#AEB8CA;max-width:460px}
    .footer h3{font-size:16px;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#AEB8CA;transition:var(--fast)}
    .footer-links a:hover{color:#7DD3FC;transform:translateX(3px)}
    .copyright{
      border-top:1px solid rgba(255,255,255,.10);
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#8F9BB0;
      font-size:14px;
    }
    @media (max-width:1024px){
      .dock{border-radius:28px;align-items:flex-start;flex-wrap:wrap}
      .nav-actions{width:100%;margin-left:0;justify-content:space-between;padding:0 4px 4px}
      .hero-wrap{grid-template-columns:1fr;padding:28px}
      h1{font-size:40px}
      .layout{grid-template-columns:1fr}
      .side-index{display:none}
      .mobile-filters{display:flex}
      .related-grid,.process{grid-template-columns:repeat(2,1fr)}
      .faq-wrap{grid-template-columns:1fr}
      .cta-card{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container,.hero-wrap{width:calc(100% - 36px)}
      .header{padding:14px 0 8px}
      .dock{width:calc(100% - 24px);border-radius:24px}
      .mobile-toggle{display:flex;align-items:center;justify-content:center}
      .nav-links,.nav-actions{
        display:none;
        width:100%;
      }
      .dock.menu-open .nav-links{
        display:grid;
        grid-template-columns:1fr;
        gap:8px;
        padding:8px 4px 0;
      }
      .dock.menu-open .nav-actions{
        display:grid;
        gap:10px;
        padding:8px 4px 4px;
      }
      .nav-link{padding:12px 14px}
      .search-pill{min-width:0;width:100%}
      .search-pill input{width:100%}
      .brand{max-width:calc(100% - 58px)}
      .brand-text{overflow:hidden;text-overflow:ellipsis}
      .hero{padding:30px 0 34px}
      h1{font-size:34px}
      h2{font-size:27px}
      .hero-lead{font-size:16px}
      .hero-wrap{padding:22px;border-radius:26px}
      .panel-stats{grid-template-columns:1fr}
      .section{padding:52px 0}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .toolbar{display:block}
      .tag-cloud{margin-top:12px}
      .entry-card,.entry-card.featured{
        grid-template-columns:1fr;
        gap:14px;
        padding:20px;
      }
      .entry-action{justify-self:start}
      .entry-art{height:108px}
      .related-grid,.process{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .container,.hero-wrap{width:calc(100% - 28px)}
      .hero-actions,.cta-actions{display:grid}
      .btn{width:100%}
      .section{padding:46px 0}
      .cta-card{padding:24px;border-radius:24px}
      .breadcrumb{font-size:13px}
      .entry-content h3{font-size:19px}
      .brand-text{font-size:15px}
    }