/* roulang page: index */
:root{
      --bg:#07111F;
      --bg-2:#0B1728;
      --bg-3:#10243A;
      --panel:rgba(255,255,255,.06);
      --panel-strong:rgba(255,255,255,.09);
      --panel-soft:rgba(255,255,255,.04);
      --border:rgba(255,255,255,.12);
      --border-strong:rgba(52,211,196,.42);
      --text:#EAF2FF;
      --muted:#B7C3D6;
      --subtle:#7F8DA3;
      --blue:#2F80ED;
      --blue-deep:#1E5C99;
      --cyan:#34D3C4;
      --amber:#F6B84B;
      --danger:#FF6B6B;
      --success:#34D3C4;
      --radius-xl:36px;
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:14px;
      --shadow-blue:0 24px 80px rgba(20,110,255,.14);
      --shadow-cyan:0 24px 90px rgba(52,211,196,.18);
      --container:1220px;
      --nav-height:78px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 8%, rgba(47,128,237,.22), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(52,211,196,.12), transparent 25%),
        radial-gradient(circle at 52% 88%, rgba(246,184,75,.08), transparent 30%),
        linear-gradient(135deg,#07111F 0%,#10243A 46%,#0B1324 100%);
      min-height:100vh;
      overflow-x:hidden;
    }

    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:64px 64px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),rgba(0,0,0,.18),rgba(0,0,0,.55));
    }

    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background:
        repeating-linear-gradient(105deg, transparent 0 14px, rgba(255,255,255,.018) 15px 16px),
        linear-gradient(to bottom, rgba(5,12,24,.18), rgba(5,12,24,.62));
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(52,211,196,.32);color:#fff}

    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .skip-link{
      position:absolute;
      left:18px;
      top:-60px;
      z-index:999;
      background:var(--cyan);
      color:#06101d;
      padding:10px 14px;
      border-radius:999px;
      font-weight:800;
      transition:top .25s var(--ease);
    }
    .skip-link:focus{top:18px;outline:3px solid rgba(234,242,255,.8)}

    .site-header{
      position:sticky;
      top:14px;
      z-index:100;
      margin-top:14px;
    }

    .nav-shell{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      min-height:var(--nav-height);
      padding:12px;
      border:1px solid var(--border);
      border-radius:28px;
      background:rgba(7,17,31,.78);
      box-shadow:0 18px 70px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter:blur(20px);
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:260px;
      padding:10px 14px;
      border-radius:20px;
      background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.1);
      transition:transform .25s var(--ease),border-color .25s var(--ease);
    }
    .brand:hover{transform:translateY(-2px);border-color:rgba(52,211,196,.34)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(135deg,rgba(47,128,237,.95),rgba(52,211,196,.82)),
        radial-gradient(circle at 30% 20%,rgba(255,255,255,.7),transparent 26%);
      box-shadow:0 0 26px rgba(47,128,237,.38);
      color:#fff;
      font-weight:900;
      letter-spacing:.04em;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-name{font-size:15px;font-weight:850;color:var(--text);letter-spacing:-.01em}
    .brand-sub{font-size:12px;color:var(--subtle);margin-top:3px}

    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      display:flex;
      align-items:center;
      gap:8px;
      padding:11px 14px;
      border-radius:16px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      border:1px solid transparent;
      background:rgba(255,255,255,.035);
      transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
      white-space:nowrap;
    }
    .nav-link:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:rgba(127,141,163,.85);
      box-shadow:0 0 0 rgba(52,211,196,0);
      transition:background .25s var(--ease),box-shadow .25s var(--ease);
    }
    .nav-link:hover{
      color:var(--text);
      border-color:rgba(52,211,196,.26);
      background:rgba(255,255,255,.075);
      transform:translateY(-1px);
    }
    .nav-link:hover:before,.nav-link.active:before{
      background:var(--cyan);
      box-shadow:0 0 16px rgba(52,211,196,.78);
    }
    .nav-link.active{
      color:#fff;
      border-color:rgba(52,211,196,.46);
      background:linear-gradient(135deg,rgba(52,211,196,.16),rgba(47,128,237,.10));
      box-shadow:inset 0 0 22px rgba(52,211,196,.08);
    }

    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 18px;
      border-radius:999px;
      color:#fff;
      font-weight:850;
      white-space:nowrap;
      background:linear-gradient(135deg,var(--blue),var(--cyan));
      box-shadow:0 0 24px rgba(47,128,237,.35);
      border:1px solid rgba(255,255,255,.16);
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      box-shadow:0 0 34px rgba(52,211,196,.42);
      border-color:rgba(52,211,196,.9);
    }
    .mobile-toggle{display:none}

    main{padding-top:48px}
    section{position:relative}
    .section-pad{padding:76px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--cyan);
      font-weight:850;
      font-size:13px;
      letter-spacing:.04em;
      text-transform:uppercase;
    }
    .section-kicker:before{
      content:"";
      width:20px;
      height:2px;
      border-radius:99px;
      background:linear-gradient(90deg,var(--cyan),transparent);
    }
    h1,h2,h3{line-height:1.16;letter-spacing:-.035em}
    h1{
      font-size:clamp(36px,5vw,62px);
      font-weight:900;
      max-width:820px;
    }
    h2{
      font-size:clamp(28px,3.4vw,42px);
      font-weight:900;
    }
    h3{font-size:22px;font-weight:850}
    .lead{
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
    }
    .section-desc{
      max-width:620px;
      color:var(--muted);
      font-size:16px;
    }
    .highlight{color:var(--cyan)}
    .warm{color:var(--amber)}

    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      border:1px solid rgba(52,211,196,.24);
      background:rgba(52,211,196,.12);
      color:var(--cyan);
      font-size:13px;
      font-weight:800;
      padding:7px 11px;
      line-height:1;
    }
    .tag.amber{
      color:var(--amber);
      background:rgba(246,184,75,.12);
      border-color:rgba(246,184,75,.28);
    }
    .tag.muted{
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border-color:rgba(255,255,255,.12);
    }

    .btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:850;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
      outline:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--blue),var(--cyan));
      box-shadow:0 0 24px rgba(47,128,237,.35);
      border:1px solid rgba(255,255,255,.14);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(52,211,196,.42);border-color:rgba(52,211,196,.85)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
      backdrop-filter:blur(14px);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.1);border-color:rgba(52,211,196,.45);box-shadow:0 16px 50px rgba(52,211,196,.12)}
    .btn:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,.brand:focus-visible{
      outline:3px solid rgba(52,211,196,.42);
      outline-offset:3px;
    }

    .glass-card{
      background:var(--panel);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-blue);
      backdrop-filter:blur(18px);
      transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(52,211,196,.42);
      box-shadow:var(--shadow-cyan);
      background:rgba(255,255,255,.075);
    }

    .hero{
      padding:28px 0 44px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
      gap:30px;
      align-items:stretch;
    }
    .hero-copy{
      padding:46px;
      min-height:590px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      overflow:hidden;
      position:relative;
    }
    .hero-copy:before{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      right:-180px;
      top:-180px;
      background:radial-gradient(circle,rgba(52,211,196,.18),transparent 68%);
      pointer-events:none;
    }
    .hero-copy .badge{margin-bottom:22px;width:max-content}
    .hero-copy h1{margin-bottom:24px}
    .hero-copy .lead{max-width:720px;margin-bottom:30px}
    .trust-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .trust-tag{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.1);
      font-size:14px;
      font-weight:700;
    }
    .trust-tag:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px rgba(52,211,196,.75);
    }

    .dashboard{
      padding:24px;
      overflow:hidden;
      position:relative;
      min-height:590px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .dashboard:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(52,211,196,.08) 1px,transparent 1px),
        linear-gradient(rgba(52,211,196,.06) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:radial-gradient(circle at 50% 35%,rgba(0,0,0,.9),transparent 72%);
      pointer-events:none;
    }
    .dash-top,.dash-bottom,.metric-grid,.timeline-mini{position:relative;z-index:1}
    .dash-top{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      padding:18px;
      border-radius:24px;
      background:rgba(5,12,24,.44);
      border:1px solid rgba(255,255,255,.12);
    }
    .dash-title{font-size:15px;color:var(--subtle);margin-bottom:8px}
    .dash-main{font-size:28px;font-weight:900;letter-spacing:-.03em}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 11px;
      border-radius:999px;
      color:var(--cyan);
      background:rgba(52,211,196,.12);
      border:1px solid rgba(52,211,196,.24);
      font-size:12px;
      font-weight:850;
      white-space:nowrap;
    }
    .status-pill:before{
      content:"";
      width:7px;height:7px;border-radius:50%;background:var(--cyan);
      box-shadow:0 0 12px rgba(52,211,196,.8);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin:22px 0;
    }
    .metric{
      padding:18px;
      min-height:120px;
      border-radius:22px;
      background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.12);
      position:relative;
      overflow:hidden;
    }
    .metric:after{
      content:"";
      position:absolute;
      width:80px;height:80px;right:-30px;bottom:-30px;
      background:radial-gradient(circle,rgba(47,128,237,.28),transparent 70%);
    }
    .metric strong{display:block;font-size:30px;line-height:1;color:#fff;margin-bottom:10px}
    .metric span{display:block;color:var(--subtle);font-size:13px;line-height:1.55}
    .progress-box{
      padding:20px;
      border-radius:24px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
      margin-bottom:18px;
    }
    .progress-head{display:flex;justify-content:space-between;color:var(--muted);font-weight:800;font-size:14px;margin-bottom:12px}
    .bar{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
    .bar span{display:block;width:78%;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 18px rgba(52,211,196,.55)}
    .timeline-mini{display:grid;gap:12px}
    .mini-step{
      display:grid;
      grid-template-columns:22px 1fr auto;
      gap:12px;
      align-items:center;
      color:var(--muted);
      font-size:14px;
    }
    .mini-dot{
      width:12px;height:12px;border-radius:50%;background:var(--cyan);
      box-shadow:0 0 0 5px rgba(52,211,196,.08),0 0 18px rgba(52,211,196,.8);
      justify-self:center;
    }
    .mini-step time{color:var(--subtle);font-size:12px}

    .flow-strip{
      margin-top:22px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .flow-card{
      padding:20px;
      border-radius:24px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
      position:relative;
      overflow:hidden;
      transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
    }
    .flow-card:hover{transform:translateY(-3px);border-color:rgba(52,211,196,.36);background:rgba(255,255,255,.075)}
    .flow-num{color:var(--cyan);font-weight:900;font-size:13px;margin-bottom:18px}
    .flow-card h3{font-size:18px;margin-bottom:8px}
    .flow-card p{color:var(--subtle);font-size:14px;line-height:1.65}

    .asym-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      grid-template-rows:auto auto;
      gap:18px;
    }
    .feature-card{padding:26px;position:relative;overflow:hidden}
    .feature-card.large{
      grid-row:span 2;
      min-height:430px;
      padding:34px;
      background:
        radial-gradient(circle at 80% 14%,rgba(52,211,196,.16),transparent 28%),
        rgba(255,255,255,.06);
    }
    .feature-icon{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,rgba(47,128,237,.9),rgba(52,211,196,.72));
      box-shadow:0 0 22px rgba(47,128,237,.28);
      margin-bottom:20px;
    }
    .feature-card h3{margin-bottom:12px}
    .feature-card p{color:var(--muted);font-size:15px}
    .method-list{display:grid;gap:12px;margin-top:28px}
    .method-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:rgba(5,12,24,.32);
      border:1px solid rgba(255,255,255,.1);
    }
    .method-item b{color:var(--text)}
    .method-item span{color:var(--subtle);font-size:14px}
    .check{
      flex:0 0 22px;height:22px;border-radius:50%;
      display:grid;place-items:center;
      color:#06101d;background:var(--cyan);
      font-size:13px;font-weight:900;
    }

    .category-entry{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      padding:30px;
      margin-top:28px;
      background:
        linear-gradient(135deg,rgba(47,128,237,.12),rgba(52,211,196,.07)),
        rgba(255,255,255,.05);
    }
    .category-entry p{color:var(--muted);max-width:720px;margin-top:10px}

    .masonry{
      columns:3 280px;
      column-gap:18px;
    }
    .case-card{
      display:inline-block;
      width:100%;
      margin:0 0 18px;
      padding:22px;
      break-inside:avoid;
      overflow:hidden;
    }
    .case-visual{
      height:150px;
      border-radius:22px;
      margin:-4px -4px 18px;
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(135deg,rgba(5,12,24,.25),rgba(5,12,24,.72)),
        radial-gradient(circle at 30% 25%,rgba(52,211,196,.32),transparent 28%),
        linear-gradient(120deg,rgba(47,128,237,.52),rgba(255,255,255,.04));
      position:relative;
      overflow:hidden;
    }
    .case-visual:before{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(234,242,255,.16);
      border-radius:18px;
      background:
        linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px),
        linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:22px 22px;
      opacity:.65;
    }
    .case-card h3{font-size:21px;margin:14px 0 10px}
    .case-card p{color:var(--muted);font-size:15px}
    .case-foot{
      margin-top:18px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      color:var(--subtle);
      font-size:13px;
      border-top:1px solid rgba(255,255,255,.09);
      padding-top:14px;
    }

    .plans{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      align-items:stretch;
    }
    .plan{
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .plan.recommended{
      border-color:rgba(52,211,196,.56);
      box-shadow:0 24px 90px rgba(52,211,196,.18), inset 0 0 30px rgba(52,211,196,.07);
    }
    .plan h3{margin:18px 0 12px}
    .plan p{color:var(--muted);font-size:15px}
    .plan-list{display:grid;gap:12px;margin:22px 0}
    .plan-list li{
      list-style:none;
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      align-items:flex-start;
    }
    .plan-list li:before{
      content:"";
      flex:0 0 8px;height:8px;border-radius:50%;
      background:var(--cyan);
      margin-top:9px;
      box-shadow:0 0 12px rgba(52,211,196,.65);
    }
    .plan .btn{width:100%;margin-top:4px}

    .timeline-section{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:26px;
      align-items:start;
    }
    .timeline-panel{padding:30px}
    .timeline{position:relative;display:grid;gap:18px;padding-left:8px}
    .timeline:before{
      content:"";
      position:absolute;
      left:18px;
      top:10px;
      bottom:10px;
      width:2px;
      background:linear-gradient(var(--blue),var(--cyan),rgba(52,211,196,.08));
    }
    .timeline-item{
      position:relative;
      padding-left:42px;
    }
    .timeline-item:before{
      content:"";
      position:absolute;
      left:5px;
      top:7px;
      width:24px;height:24px;border-radius:50%;
      background:rgba(52,211,196,.16);
      border:1px solid rgba(52,211,196,.55);
      box-shadow:0 0 18px rgba(52,211,196,.35);
    }
    .timeline-item h3{font-size:18px;margin-bottom:6px}
    .timeline-item p{color:var(--subtle);font-size:14px}

    .quote-card{
      padding:34px;
      min-height:100%;
      background:
        radial-gradient(circle at 12% 15%,rgba(246,184,75,.12),transparent 26%),
        rgba(255,255,255,.06);
    }
    .quote-card blockquote{
      font-size:22px;
      line-height:1.65;
      font-weight:750;
      color:#fff;
      margin-bottom:24px;
    }
    .quote-card p{color:var(--muted)}
    .quote-meta{
      margin-top:24px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .faq-wrap{display:grid;gap:14px}
    .faq-item{
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
      transition:border-color .25s var(--ease),background .25s var(--ease);
    }
    .faq-item[open]{
      border-color:rgba(52,211,196,.45);
      background:rgba(255,255,255,.075);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      font-weight:850;
      color:var(--text);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"";
      width:12px;height:12px;
      border-right:2px solid var(--cyan);
      border-bottom:2px solid var(--cyan);
      transform:rotate(45deg);
      transition:transform .25s var(--ease);
      flex:0 0 auto;
    }
    .faq-item[open] summary:after{transform:rotate(225deg)}
    .faq-content{
      padding:0 22px 22px 22px;
      color:var(--muted);
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(5,12,24,.18);
    }
    .faq-content p{padding-top:16px}

    .cta-panel{
      display:grid;
      grid-template-columns:1fr 420px;
      gap:26px;
      align-items:stretch;
      padding:34px;
      overflow:hidden;
      background:
        radial-gradient(circle at 12% 20%,rgba(52,211,196,.18),transparent 28%),
        radial-gradient(circle at 78% 82%,rgba(47,128,237,.18),transparent 30%),
        rgba(255,255,255,.06);
    }
    .cta-copy{display:flex;flex-direction:column;justify-content:center}
    .cta-copy h2{margin:14px 0}
    .cta-copy p{color:var(--muted);max-width:690px}
    .contact-form{
      display:grid;
      gap:13px;
      padding:20px;
      border-radius:26px;
      background:rgba(5,12,24,.42);
      border:1px solid rgba(255,255,255,.12);
    }
    .field label{
      display:block;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
      margin-bottom:7px;
    }
    .field input,.field textarea{
      width:100%;
      color:var(--text);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.13);
      border-radius:16px;
      padding:12px 14px;
      outline:none;
      transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
    }
    .field textarea{min-height:98px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:rgba(183,195,214,.54)}
    .field input:focus,.field textarea:focus{
      border-color:rgba(52,211,196,.7);
      box-shadow:0 0 0 4px rgba(52,211,196,.12);
      background:rgba(255,255,255,.085);
    }
    .form-note{
      color:var(--subtle);
      font-size:12px;
      line-height:1.6;
    }

    .site-footer{
      margin-top:80px;
      padding:0 0 28px;
    }
    .footer-panel{
      border-radius:34px;
      border:1px solid var(--border);
      background:rgba(5,12,24,.72);
      box-shadow:0 22px 80px rgba(0,0,0,.24);
      backdrop-filter:blur(18px);
      overflow:hidden;
    }
    .footer-panel:before{
      content:"";
      display:block;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--blue),var(--cyan),var(--amber),transparent);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.25fr .75fr .85fr;
      gap:28px;
      padding:34px;
    }
    .footer-brand h2{
      font-size:24px;
      margin-bottom:10px;
    }
    .footer-brand p,.footer-contact p{color:var(--muted);font-size:14px}
    .footer-links h3,.footer-contact h3{
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links nav{display:grid;gap:10px}
    .footer-links a,.text-link{
      color:var(--muted);
      font-weight:700;
      width:max-content;
      position:relative;
      transition:color .25s var(--ease);
    }
    .footer-links a:after,.text-link:after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-3px;
      height:1px;
      background:var(--cyan);
      transform:scaleX(0);
      transform-origin:left;
      transition:transform .25s var(--ease);
    }
    .footer-links a:hover,.text-link:hover{color:var(--cyan)}
    .footer-links a:hover:after,.text-link:hover:after{transform:scaleX(1)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding:18px 34px 28px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--subtle);
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1080px){
      .nav-shell{align-items:flex-start;flex-wrap:wrap}
      .brand{min-width:auto;flex:1}
      .nav-links{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}
      .nav-links::-webkit-scrollbar{height:0}
      .hero-grid,.timeline-section,.cta-panel{grid-template-columns:1fr}
      .hero-copy,.dashboard{min-height:auto}
      .flow-strip{grid-template-columns:repeat(2,1fr)}
      .asym-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-column:1/-1;min-height:auto}
      .plans{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }

    @media (max-width:760px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .site-header{top:8px;margin-top:8px}
      .nav-shell{border-radius:22px;padding:10px}
      .brand-name{font-size:14px}
      .brand-sub{display:none}
      .nav-cta{width:100%;order:4}
      main{padding-top:28px}
      .section-pad{padding:54px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .hero-copy{padding:28px;border-radius:28px}
      .dashboard{padding:18px;border-radius:28px}
      .metric-grid,.flow-strip,.asym-grid{grid-template-columns:1fr}
      .category-entry{grid-template-columns:1fr;padding:24px}
      .masonry{columns:1}
      .cta-panel{padding:24px;border-radius:28px}
      .footer-main{grid-template-columns:1fr;padding:26px}
      .footer-bottom{padding:18px 26px 24px}
      .btn-row .btn{flex:1 1 100%}
    }

    @media (max-width:520px){
      .brand{padding:8px 10px}
      .brand-mark{width:38px;height:38px}
      .nav-link{padding:10px 12px;font-size:13px}
      h1{font-size:34px}
      .lead{font-size:16px}
      .hero-copy{padding:24px}
      .dash-top{display:block}
      .status-pill{margin-top:12px}
      .metric strong{font-size:26px}
      .case-foot{display:block}
      .case-foot span{display:block;margin-top:6px}
      .faq-item summary{padding:17px 18px}
      .faq-content{padding:0 18px 18px}
    }

/* roulang page: category1 */
:root{
      --bg:#07111F;
      --bg-2:#0B1728;
      --bg-3:#10243A;
      --panel:rgba(255,255,255,.06);
      --panel-strong:rgba(255,255,255,.095);
      --border:rgba(255,255,255,.12);
      --border-strong:rgba(52,211,196,.42);
      --text:#EAF2FF;
      --muted:#B7C3D6;
      --soft:#7F8DA3;
      --blue:#2F80ED;
      --blue-2:#1E5C99;
      --cyan:#34D3C4;
      --amber:#F6B84B;
      --error:#FF6B6B;
      --success:#34D3C4;
      --shadow:0 24px 80px rgba(20,110,255,.14);
      --shadow-cyan:0 24px 80px rgba(52,211,196,.18);
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 4%, rgba(47,128,237,.24), transparent 34%),
        radial-gradient(circle at 84% 18%, rgba(52,211,196,.16), transparent 30%),
        linear-gradient(135deg, var(--bg) 0%, var(--bg-3) 44%, #0B1324 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.36;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
        radial-gradient(circle at 40% 18%, rgba(246,184,75,.08), transparent 22%);
      background-size:52px 52px,52px 52px,100% 100%;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.95), rgba(0,0,0,.28));
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:auto -10% 0 -10%;
      height:38vh;
      pointer-events:none;
      background:linear-gradient(to top, rgba(7,17,31,.92), transparent);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:rgba(52,211,196,.28);color:#fff}

    .container{
      width:min(calc(100% - 40px), var(--container));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:18px;
      z-index:50;
      padding:14px 0;
    }
    .nav-shell{
      display:flex;
      align-items:center;
      gap:16px;
      min-height:76px;
      padding:12px;
      border:1px solid var(--border);
      border-radius:28px;
      background:rgba(5,12,24,.72);
      box-shadow:0 18px 60px rgba(0,0,0,.26), inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter:blur(18px);
    }
    .brand{
      display:flex;
      align-items:center;
      min-width:0;
      gap:12px;
      padding:8px 12px 8px 8px;
      border-radius:22px;
      transition:.25s ease;
    }
    .brand:hover{background:rgba(255,255,255,.07)}
    .brand-mark{
      width:44px;
      height:44px;
      flex:0 0 44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      font-weight:800;
      background:
        linear-gradient(135deg, rgba(47,128,237,1), rgba(52,211,196,.9)),
        repeating-linear-gradient(90deg, transparent 0 4px, rgba(255,255,255,.16) 4px 5px);
      box-shadow:0 0 28px rgba(47,128,237,.36);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .brand-name{
      font-size:16px;
      font-weight:800;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:330px;
    }
    .brand-sub{font-size:12px;color:var(--soft);white-space:nowrap}
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
      padding:5px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      background:rgba(255,255,255,.035);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 18px;
      border-radius:14px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:.25s ease;
    }
    .nav-link::before{
      content:"";
      width:7px;
      height:7px;
      margin-right:8px;
      border-radius:50%;
      background:rgba(127,141,163,.6);
      box-shadow:none;
      transition:.25s ease;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-link:hover::before{
      background:var(--cyan);
      box-shadow:0 0 14px rgba(52,211,196,.82);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(47,128,237,.28), rgba(52,211,196,.14));
      box-shadow:inset 0 0 0 1px rgba(52,211,196,.42), 0 0 26px rgba(52,211,196,.1);
    }
    .nav-link.active::before{
      background:var(--cyan);
      box-shadow:0 0 16px rgba(52,211,196,.9);
    }
    .nav-cta,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 22px;
      border-radius:999px;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg, var(--blue), var(--cyan));
      box-shadow:0 0 24px rgba(47,128,237,.35);
      transition:.25s ease;
      white-space:nowrap;
    }
    .nav-cta:hover,.btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 0 34px rgba(52,211,196,.42);
      outline:1px solid rgba(52,211,196,.56);
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      color:var(--text);
      font-weight:800;
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
      transition:.25s ease;
    }
    .btn-secondary:hover{
      border-color:rgba(52,211,196,.55);
      background:rgba(255,255,255,.1);
      transform:translateY(-2px);
    }

    .section{padding:72px 0}
    .section-tight{padding:38px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--cyan);
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
      border:1px solid rgba(52,211,196,.22);
      background:rgba(52,211,196,.1);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(52,211,196,.78);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 11px;
      border-radius:999px;
      color:var(--cyan);
      font-size:12px;
      font-weight:800;
      background:rgba(52,211,196,.12);
      border:1px solid rgba(52,211,196,.18);
      white-space:nowrap;
    }
    .badge.amber{
      color:var(--amber);
      background:rgba(246,184,75,.12);
      border-color:rgba(246,184,75,.2);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.04em;
    }
    .section-desc{
      max-width:620px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }

    .glass-card{
      position:relative;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:var(--panel);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:.28s ease;
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(135deg, rgba(255,255,255,.08), transparent 38%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 14px);
      opacity:.65;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(52,211,196,.42);
      box-shadow:var(--shadow-cyan);
    }
    .card-inner{position:relative;z-index:1}

    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .breadcrumb a,.breadcrumb span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:0 11px;
      border-radius:999px;
      font-size:13px;
      color:var(--soft);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
    }
    .breadcrumb a:hover{
      color:var(--cyan);
      border-color:rgba(52,211,196,.34);
    }

    .category-hero{
      padding:50px 0 36px;
    }
    .hero-panel{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:26px;
      padding:34px;
      border-radius:var(--radius-xl);
      min-height:330px;
      background:
        radial-gradient(circle at 78% 10%, rgba(52,211,196,.18), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      overflow:hidden;
      position:relative;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      right:-120px;
      top:-140px;
      width:360px;
      height:360px;
      border-radius:50%;
      border:1px solid rgba(52,211,196,.24);
      box-shadow:inset 0 0 60px rgba(47,128,237,.16), 0 0 80px rgba(52,211,196,.08);
    }
    .hero-content{position:relative;z-index:1}
    h1{
      margin:18px 0 0;
      max-width:760px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.05em;
    }
    .hero-lead{
      max-width:760px;
      margin:20px 0 0;
      color:var(--muted);
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-meter{
      position:relative;
      z-index:1;
      align-self:stretch;
      padding:22px;
      border-radius:28px;
      background:rgba(5,12,24,.44);
      border:1px solid rgba(255,255,255,.12);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:260px;
      overflow:hidden;
    }
    .hero-meter::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(52,211,196,.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(52,211,196,.09) 1px, transparent 1px);
      background-size:28px 28px;
      opacity:.35;
    }
    .meter-top,.meter-bottom{position:relative;z-index:1}
    .meter-top h2{
      margin:10px 0 6px;
      font-size:24px;
      line-height:1.25;
    }
    .meter-top p{margin:0;color:var(--muted);font-size:14px}
    .metric-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:18px;
    }
    .metric{
      padding:13px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
    }
    .metric strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:#fff;
    }
    .metric span{font-size:12px;color:var(--soft)}
    .progress-line{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      overflow:hidden;
      margin-top:18px;
    }
    .progress-line i{
      display:block;
      height:100%;
      width:78%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--blue),var(--cyan));
      box-shadow:0 0 18px rgba(52,211,196,.5);
    }

    .filter-strip{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px;
      border-radius:24px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
      overflow-x:auto;
      scrollbar-width:none;
    }
    .filter-strip::-webkit-scrollbar{display:none}
    .filter-btn{
      flex:0 0 auto;
      min-height:42px;
      padding:0 18px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
      font-weight:800;
      transition:.24s ease;
    }
    .filter-btn:hover{
      color:#fff;
      border-color:rgba(52,211,196,.35);
      background:rgba(255,255,255,.09);
    }
    .filter-btn.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(47,128,237,.86), rgba(52,211,196,.72));
      box-shadow:0 0 24px rgba(52,211,196,.2);
      border-color:transparent;
    }

    .magazine-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:28px;
      align-items:start;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      margin-bottom:24px;
    }
    .feature-card{
      min-height:430px;
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .abstract-thumb{
      height:170px;
      border-radius:24px;
      margin-bottom:22px;
      background:
        linear-gradient(135deg, rgba(5,12,24,.2), rgba(5,12,24,.72)),
        radial-gradient(circle at 24% 24%, rgba(52,211,196,.4), transparent 23%),
        repeating-linear-gradient(135deg, rgba(255,255,255,.12) 0 2px, transparent 2px 14px),
        linear-gradient(135deg, #1E5C99, #0B1728);
      border:1px solid rgba(255,255,255,.1);
      position:relative;
      overflow:hidden;
    }
    .abstract-thumb::after{
      content:"项目协作记录";
      position:absolute;
      left:18px;
      bottom:16px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(5,12,24,.66);
      color:var(--text);
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(255,255,255,.14);
    }
    .feature-card h2,.compact-item h3,.record-card h3,.sidebar-card h2,.sidebar-card h3,.cta-panel h2{
      margin:12px 0 0;
      line-height:1.25;
      letter-spacing:-.02em;
    }
    .feature-card h2{font-size:30px}
    .feature-card p,.compact-item p,.record-card p,.sidebar-card p,.cta-panel p{
      color:var(--muted);
      margin:12px 0 0;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:20px;
      color:var(--soft);
      font-size:13px;
    }
    .text-link{
      color:var(--cyan);
      font-weight:800;
      position:relative;
    }
    .text-link::after{
      content:"";
      position:absolute;
      left:0;
      right:100%;
      bottom:-4px;
      height:2px;
      border-radius:999px;
      background:var(--cyan);
      transition:.25s ease;
    }
    .text-link:hover::after{right:0}

    .compact-list{
      display:grid;
      gap:16px;
    }
    .compact-item{
      padding:20px;
      min-height:132px;
    }
    .compact-item h3{font-size:20px}
    .compact-item .item-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
    }

    .records-masonry{
      columns:2 280px;
      column-gap:22px;
    }
    .record-card{
      display:inline-block;
      width:100%;
      padding:22px;
      margin:0 0 22px;
      break-inside:avoid;
    }
    .record-card.tall{padding-bottom:34px}
    .record-card h3{font-size:22px}
    .record-card .record-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:6px;
    }
    .ticket-line{
      margin:18px 0 0;
      padding-top:16px;
      border-top:1px dashed rgba(255,255,255,.16);
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:var(--soft);
      font-size:13px;
    }

    .sidebar{
      position:sticky;
      top:118px;
      display:grid;
      gap:18px;
    }
    .sidebar-card{padding:22px}
    .sidebar-card h2{font-size:22px}
    .sidebar-card h3{font-size:18px}
    .timeline{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:0;
    }
    .timeline li{
      position:relative;
      padding:0 0 20px 26px;
      color:var(--muted);
      font-size:14px;
    }
    .timeline li::before{
      content:"";
      position:absolute;
      left:3px;
      top:7px;
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(52,211,196,.8);
    }
    .timeline li::after{
      content:"";
      position:absolute;
      left:7px;
      top:20px;
      bottom:2px;
      width:2px;
      background:linear-gradient(to bottom, rgba(52,211,196,.55), rgba(47,128,237,.08));
    }
    .timeline li:last-child{padding-bottom:0}
    .timeline li:last-child::after{display:none}
    .timeline strong{display:block;color:var(--text);font-size:15px}
    .recommend-list{
      list-style:none;
      margin:16px 0 0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .recommend-list a{
      display:block;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.075);
      color:var(--muted);
      transition:.24s ease;
    }
    .recommend-list a:hover{
      color:#fff;
      border-color:rgba(52,211,196,.34);
      background:rgba(255,255,255,.075);
      transform:translateX(2px);
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }

    .process-panel{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      margin-top:26px;
    }
    .process-step{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
      position:relative;
      overflow:hidden;
      transition:.24s ease;
    }
    .process-step:hover{
      transform:translateY(-3px);
      border-color:rgba(52,211,196,.38);
    }
    .process-step span{
      display:inline-grid;
      place-items:center;
      width:34px;
      height:34px;
      border-radius:14px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--blue),var(--cyan));
      box-shadow:0 0 20px rgba(47,128,237,.26);
    }
    .process-step h3{
      margin:14px 0 6px;
      font-size:18px;
      line-height:1.25;
    }
    .process-step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .faq-list{
      display:grid;
      gap:14px;
      margin-top:26px;
    }
    details.faq-item{
      border:1px solid var(--border);
      border-radius:22px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:.24s ease;
    }
    details.faq-item[open]{
      border-color:rgba(52,211,196,.42);
      background:rgba(255,255,255,.075);
      box-shadow:0 18px 50px rgba(52,211,196,.09);
    }
    .faq-item summary{
      list-style:none;
      padding:20px 22px;
      cursor:pointer;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      color:var(--text);
      font-weight:800;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"";
      width:10px;
      height:10px;
      border-right:2px solid var(--cyan);
      border-bottom:2px solid var(--cyan);
      transform:rotate(45deg);
      transition:.24s ease;
      flex:0 0 10px;
    }
    .faq-item[open] summary::after{transform:rotate(225deg)}
    .faq-content{
      padding:0 22px 22px;
      color:var(--muted);
    }

    .cta-panel{
      display:grid;
      grid-template-columns:1fr 430px;
      gap:28px;
      align-items:center;
      padding:32px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(52,211,196,.24);
      background:
        radial-gradient(circle at 18% 10%, rgba(52,211,196,.16), transparent 32%),
        linear-gradient(135deg, rgba(47,128,237,.16), rgba(255,255,255,.05));
      box-shadow:var(--shadow-cyan);
      overflow:hidden;
      position:relative;
    }
    .contact-form{
      display:grid;
      gap:12px;
      padding:18px;
      border-radius:24px;
      background:rgba(5,12,24,.42);
      border:1px solid rgba(255,255,255,.12);
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{
      display:flex;
      flex-direction:column;
      gap:7px;
    }
    .field label{
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.12);
      border-radius:16px;
      background:rgba(255,255,255,.055);
      color:#fff;
      padding:12px 14px;
      outline:none;
      transition:.2s ease;
    }
    .field textarea{min-height:98px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:rgba(183,195,214,.55)}
    .field input:focus,.field textarea:focus{
      border-color:rgba(52,211,196,.62);
      box-shadow:0 0 0 4px rgba(52,211,196,.12);
    }
    .form-note{
      margin:0;
      color:var(--soft);
      font-size:13px;
    }
    .form-status{
      display:none;
      margin:0;
      color:var(--success);
      font-size:13px;
      font-weight:800;
    }

    .site-footer{padding:48px 0 34px}
    .footer-panel{
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:rgba(5,12,24,.72);
      backdrop-filter:blur(18px);
      overflow:hidden;
      position:relative;
    }
    .footer-panel::before{
      content:"";
      display:block;
      height:2px;
      background:linear-gradient(90deg, transparent, var(--blue), var(--cyan), var(--amber), transparent);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.25fr .75fr 1fr;
      gap:28px;
      padding:32px;
    }
    .footer-brand h2{
      margin:0;
      font-size:24px;
      line-height:1.25;
    }
    .footer-brand p,.footer-contact p{
      margin:12px 0 0;
      color:var(--muted);
    }
    .footer-links h3,.footer-contact h3{
      margin:0 0 14px;
      font-size:16px;
    }
    .footer-links nav{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      transition:.2s ease;
    }
    .footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding:18px 32px;
      color:var(--soft);
      font-size:13px;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.025);
    }

    @media (max-width:1024px){
      .container{width:min(calc(100% - 32px), var(--container))}
      .nav-shell{flex-wrap:wrap}
      .nav-links{order:3;width:100%;margin-left:0;overflow-x:auto;justify-content:flex-start}
      .brand{flex:1}
      .brand-name{max-width:420px}
      .hero-panel,.magazine-layout,.cta-panel{grid-template-columns:1fr}
      .sidebar{position:static}
      .feature-grid{grid-template-columns:1fr}
      .process-panel{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:768px){
      .site-header{top:8px;padding:8px 0}
      .nav-shell{border-radius:22px;gap:10px}
      .brand-mark{width:40px;height:40px;flex-basis:40px}
      .brand-sub{display:none}
      .brand-name{max-width:calc(100vw - 190px);font-size:14px}
      .nav-cta{width:100%;order:4}
      .section{padding:54px 0}
      .category-hero{padding-top:28px}
      .hero-panel{padding:24px;border-radius:28px}
      .hero-lead{font-size:16px}
      .metric-grid{grid-template-columns:1fr 1fr}
      .records-masonry{columns:1}
      .process-panel{grid-template-columns:1fr 1fr}
      .footer-main{grid-template-columns:1fr;padding:26px}
      .footer-bottom{flex-direction:column;padding:18px 26px}
      .form-row{grid-template-columns:1fr}
      .section-head{display:block}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 24px), var(--container))}
      .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%}
      .feature-card{padding:22px}
      .compact-item,.record-card,.sidebar-card{padding:18px}
      .process-panel,.metric-grid{grid-template-columns:1fr}
      .cta-panel{padding:22px}
      .contact-form{padding:14px}
      .nav-link{padding:0 14px}
    }