/* roulang page: index */
:root{
      --bg:#050816;
      --bg-2:#07111f;
      --panel:rgba(15,23,42,.66);
      --panel-2:rgba(30,41,59,.48);
      --panel-strong:rgba(15,23,42,.88);
      --text:#f8fafc;
      --muted:#cbd5e1;
      --weak:#94a3b8;
      --line:rgba(148,163,184,.18);
      --line-strong:rgba(34,211,238,.42);
      --cyan:#22d3ee;
      --blue:#38bdf8;
      --violet:#8b5cf6;
      --violet-2:#a78bfa;
      --amber:#f59e0b;
      --green:#34d399;
      --danger:#fb7185;
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow:0 24px 80px rgba(0,0,0,.36);
      --glow:0 0 28px rgba(34,211,238,.24),0 0 60px rgba(139,92,246,.15);
      --container:1200px;
      --nav-h:78px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 18% 12%, rgba(34,211,238,.16), transparent 28%),
        radial-gradient(circle at 84% 4%, rgba(139,92,246,.18), transparent 30%),
        radial-gradient(circle at 68% 74%, rgba(56,189,248,.10), transparent 32%),
        linear-gradient(135deg,#050816 0%,#07111f 46%,#0b1024 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background-image:
        linear-gradient(rgba(148,163,184,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(148,163,184,.055) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.88),rgba(0,0,0,.25));
      pointer-events:none;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-1;
      background:linear-gradient(120deg,transparent 0%,rgba(34,211,238,.045) 50%,transparent 100%);
      opacity:.7;
      pointer-events:none;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(34,211,238,.28);color:#fff}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid var(--line);
      background:rgba(5,8,22,.72);
      backdrop-filter:blur(18px);
      box-shadow:0 10px 40px rgba(0,0,0,.18);
    }
    .nav{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:240px;
      transition:var(--ease);
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      position:relative;
      background:linear-gradient(135deg,rgba(34,211,238,.95),rgba(139,92,246,.9));
      box-shadow:var(--glow);
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      inset:9px 11px;
      border:2px solid rgba(255,255,255,.86);
      border-radius:8px;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:8px;height:8px;border-radius:999px;
      background:#fff;
      left:17px;top:17px;
      box-shadow:14px 0 0 rgba(255,255,255,.58),-14px 0 0 rgba(255,255,255,.35);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-title{font-weight:800;letter-spacing:-.02em;font-size:16px}
    .brand-sub{font-size:12px;color:var(--weak);margin-top:3px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:7px;
      border:1px solid rgba(148,163,184,.12);
      background:rgba(15,23,42,.36);
      border-radius:999px;
    }
    .nav-link{
      position:relative;
      color:var(--muted);
      font-size:14px;
      padding:9px 16px;
      border-radius:999px;
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link:focus{
      color:#fff;
      background:rgba(34,211,238,.09);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.16));
      box-shadow:inset 0 0 0 1px rgba(34,211,238,.18);
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:50%;bottom:3px;
      width:5px;height:5px;border-radius:50%;
      transform:translateX(-50%);
      background:var(--cyan);
      box-shadow:0 0 12px var(--cyan);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.01em;
      transition:var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 12px 32px rgba(34,211,238,.22),0 8px 28px rgba(139,92,246,.20);
    }
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:0 16px 42px rgba(34,211,238,.30),0 10px 36px rgba(139,92,246,.25);outline:none}
    .btn-secondary{
      color:var(--text);
      border:1px solid rgba(148,163,184,.24);
      background:rgba(15,23,42,.52);
      backdrop-filter:blur(12px);
    }
    .btn-secondary:hover,.btn-secondary:focus{border-color:rgba(34,211,238,.52);background:rgba(34,211,238,.08);transform:translateY(-2px);outline:none}
    .btn-warning{
      color:#fff7ed;
      border:1px solid rgba(245,158,11,.42);
      background:rgba(245,158,11,.10);
    }
    .btn:active{transform:scale(.98)}
    .focusable:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:2px solid var(--cyan);
      outline-offset:3px;
    }
    .menu-toggle{display:none}
    .hamburger{
      display:none;
      width:46px;height:46px;
      border-radius:15px;
      border:1px solid var(--line);
      background:rgba(15,23,42,.60);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .hamburger span{width:20px;height:2px;background:#e2e8f0;border-radius:99px;transition:var(--ease)}
    main{position:relative}
    .section{padding:96px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#cffafe;
      font-size:13px;
      font-weight:700;
      padding:8px 12px;
      border:1px solid rgba(34,211,238,.30);
      border-radius:999px;
      background:rgba(34,211,238,.08);
      box-shadow:inset 0 0 18px rgba(34,211,238,.06);
    }
    .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 14px var(--green)}
    .hero{
      min-height:680px;
      display:grid;
      align-items:center;
      grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);
      gap:54px;
      padding:84px 0 70px;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:24px 0 22px;
      font-size:clamp(38px,5.2vw,62px);
      line-height:1.14;
      letter-spacing:-.055em;
      font-weight:850;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 0%,#bff7ff 34%,#a78bfa 82%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:680px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
      margin-bottom:30px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
    .trust-row{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      max-width:760px;
    }
    .trust-item{
      padding:14px 15px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(15,23,42,.42);
      backdrop-filter:blur(14px);
      color:var(--muted);
      font-size:13px;
    }
    .trust-item strong{display:block;color:#fff;font-size:15px;margin-bottom:2px}
    .hero-visual{position:relative}
    .dashboard{
      position:relative;
      border:1px solid rgba(148,163,184,.22);
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(15,23,42,.78),rgba(30,41,59,.46));
      box-shadow:var(--shadow),var(--glow);
      padding:22px;
      overflow:hidden;
      backdrop-filter:blur(18px);
    }
    .dashboard:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:linear-gradient(110deg,transparent 0%,rgba(34,211,238,.10) 40%,transparent 68%);
      transform:translateX(-30%);
      pointer-events:none;
    }
    .dash-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .window-dots{display:flex;gap:7px}
    .window-dots i{width:10px;height:10px;border-radius:50%;background:rgba(148,163,184,.44)}
    .window-dots i:nth-child(1){background:#fb7185}.window-dots i:nth-child(2){background:#f59e0b}.window-dots i:nth-child(3){background:#34d399}
    .status-pill{font-size:12px;color:#bbf7d0;border:1px solid rgba(52,211,153,.28);background:rgba(52,211,153,.08);padding:6px 10px;border-radius:999px}
    .media-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:14px}
    .media-card{
      min-height:190px;
      border-radius:24px;
      border:1px solid rgba(148,163,184,.18);
      background:
        linear-gradient(135deg,rgba(56,189,248,.20),rgba(139,92,246,.18)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 9px,rgba(255,255,255,.02) 9px 18px);
      position:relative;
      overflow:hidden;
      filter:saturate(1.05);
    }
    .media-card.blur:after{
      content:"";
      position:absolute;
      inset:0;
      backdrop-filter:blur(10px);
      background:rgba(2,6,23,.24);
    }
    .motion-lines{
      position:absolute;inset:0;z-index:1;
      background:
        radial-gradient(circle at 22% 36%,rgba(34,211,238,.52) 0 3px,transparent 4px),
        radial-gradient(circle at 62% 58%,rgba(167,139,250,.55) 0 3px,transparent 4px),
        linear-gradient(112deg,transparent 18%,rgba(34,211,238,.22) 19%,transparent 21%,transparent 50%,rgba(167,139,250,.22) 51%,transparent 54%);
      opacity:.85;
    }
    .media-card.large{min-height:316px}
    .card-labels{position:absolute;z-index:2;left:14px;top:14px;display:flex;gap:8px;flex-wrap:wrap}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      color:#e0f2fe;
      background:rgba(15,23,42,.70);
      border:1px solid rgba(148,163,184,.22);
      backdrop-filter:blur(12px);
    }
    .tag.safe{color:#bbf7d0;border-color:rgba(52,211,153,.30)}
    .tag.warn{color:#fed7aa;border-color:rgba(245,158,11,.34)}
    .lock-card{
      margin-top:14px;
      padding:16px;
      border:1px solid rgba(34,211,238,.22);
      border-radius:22px;
      background:rgba(2,6,23,.36);
      display:grid;
      gap:12px;
    }
    .lock-row{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}
    .progress{
      height:8px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden;
    }
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--violet));width:72%;box-shadow:0 0 16px rgba(34,211,238,.35)}
    .floating-note{
      position:absolute;
      right:-16px;
      bottom:42px;
      max-width:220px;
      padding:15px 16px;
      border-radius:22px;
      border:1px solid rgba(245,158,11,.30);
      background:rgba(30,41,59,.78);
      box-shadow:0 20px 50px rgba(0,0,0,.28);
      backdrop-filter:blur(16px);
      color:#ffedd5;
      font-size:13px;
    }
    .section-head{
      max-width:760px;
      margin-bottom:38px;
    }
    .section-head.center{text-align:center;margin-inline:auto}
    h2{
      font-size:clamp(28px,3.8vw,42px);
      line-height:1.22;
      letter-spacing:-.035em;
      margin:12px 0 14px;
      font-weight:820;
    }
    .section-head p{color:var(--muted);font-size:17px;margin-bottom:0}
    .issue-timeline{
      display:grid;
      grid-template-columns:1fr;
      gap:16px;
      position:relative;
    }
    .issue-timeline:before{
      content:"";
      position:absolute;
      left:28px;
      top:20px;
      bottom:20px;
      width:1px;
      background:linear-gradient(to bottom,transparent,var(--cyan),var(--violet),transparent);
      opacity:.5;
    }
    .issue-card{
      position:relative;
      display:grid;
      grid-template-columns:58px 1fr auto;
      align-items:center;
      gap:18px;
      padding:24px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(15,23,42,.68),rgba(30,41,59,.42));
      backdrop-filter:blur(16px);
      transition:var(--ease);
    }
    .issue-card:nth-child(even){margin-left:48px}
    .issue-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.38);box-shadow:var(--glow)}
    .icon-bubble{
      width:56px;height:56px;border-radius:20px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,rgba(34,211,238,.22),rgba(139,92,246,.18));
      border:1px solid rgba(34,211,238,.22);
      box-shadow:inset 0 0 22px rgba(34,211,238,.07);
      font-size:22px;
    }
    .issue-card h3{font-size:21px;margin:0 0 4px}
    .issue-card p{color:var(--weak);margin:0;max-width:720px}
    .mini-badge{font-size:12px;color:#bae6fd;border:1px solid rgba(34,211,238,.24);background:rgba(34,211,238,.07);padding:7px 10px;border-radius:999px}
    .solution-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      align-items:stretch;
    }
    .steps{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:rgba(15,23,42,.54);
      padding:28px;
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow);
    }
    .step{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      padding:18px 0;
      position:relative;
    }
    .step:not(:last-child){border-bottom:1px solid rgba(148,163,184,.12)}
    .step-num{
      width:38px;height:38px;border-radius:50%;
      display:grid;place-items:center;
      font-weight:800;
      color:#03151d;
      background:linear-gradient(135deg,var(--cyan),#bfdbfe);
      box-shadow:0 0 22px rgba(34,211,238,.25);
    }
    .step h3{font-size:19px;margin:0 0 4px}
    .step p{margin:0;color:var(--weak);font-size:15px}
    .preview-panel{
      border:1px solid rgba(34,211,238,.22);
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(15,23,42,.72),rgba(30,41,59,.46));
      padding:24px;
      overflow:hidden;
      position:relative;
      min-height:420px;
      box-shadow:var(--glow);
    }
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
    .filter-chip{
      padding:9px 13px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.20);
      color:var(--muted);
      background:rgba(15,23,42,.54);
      font-size:13px;
    }
    .filter-chip.active{color:#fff;border-color:rgba(34,211,238,.46);background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.16))}
    .mock-list{display:grid;gap:13px}
    .mock-item{
      display:grid;
      grid-template-columns:90px 1fr auto;
      gap:14px;
      align-items:center;
      padding:12px;
      border-radius:20px;
      border:1px solid rgba(148,163,184,.14);
      background:rgba(2,6,23,.22);
    }
    .thumb{
      height:64px;border-radius:16px;
      background:linear-gradient(135deg,rgba(56,189,248,.22),rgba(139,92,246,.22)),repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 8px,transparent 8px 16px);
      filter:blur(.2px);
      position:relative;
      overflow:hidden;
    }
    .thumb:after{content:"";position:absolute;inset:0;backdrop-filter:blur(7px);background:rgba(15,23,42,.24)}
    .mock-item strong{display:block;margin-bottom:2px}
    .mock-item span{color:var(--weak);font-size:13px}
    .confirm-box{
      margin-top:18px;
      border-radius:24px;
      border:1px solid rgba(245,158,11,.32);
      background:rgba(245,158,11,.08);
      padding:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .confirm-box p{margin:0;color:#ffedd5;font-size:14px}
    .matrix{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:start;
    }
    .metric-card{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:rgba(15,23,42,.58);
      padding:30px;
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow);
    }
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .metric{
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(148,163,184,.15);
      background:rgba(2,6,23,.24);
    }
    .metric b{
      display:block;
      font-size:30px;
      line-height:1.1;
      background:linear-gradient(135deg,var(--cyan),var(--violet-2));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      margin-bottom:8px;
    }
    .metric span{color:var(--muted);font-size:14px}
    .bar-list{display:grid;gap:16px}
    .bar-item{padding:18px;border-radius:22px;border:1px solid rgba(148,163,184,.15);background:rgba(15,23,42,.42)}
    .bar-title{display:flex;justify-content:space-between;gap:14px;margin-bottom:10px;color:#e2e8f0;font-weight:700}
    .bar-track{height:10px;border-radius:99px;background:rgba(148,163,184,.12);overflow:hidden}
    .bar-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--violet));box-shadow:0 0 16px rgba(34,211,238,.26)}
    .category-entry{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:24px;
      align-items:center;
      border:1px solid rgba(34,211,238,.22);
      border-radius:var(--radius-xl);
      padding:30px;
      background:linear-gradient(135deg,rgba(34,211,238,.08),rgba(139,92,246,.08));
      box-shadow:var(--glow);
      overflow:hidden;
    }
    .category-card{
      min-height:310px;
      border-radius:28px;
      border:1px solid rgba(148,163,184,.18);
      background:rgba(2,6,23,.25);
      padding:18px;
      position:relative;
    }
    .category-card .media-card{min-height:190px}
    .category-copy h2{margin-top:0}
    .category-copy p{color:var(--muted);font-size:17px}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
    .testimonial-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .testimonial{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(15,23,42,.56);
      padding:24px;
      backdrop-filter:blur(16px);
      transition:var(--ease);
    }
    .testimonial:nth-child(2){transform:translateY(20px)}
    .testimonial:hover{border-color:rgba(34,211,238,.38);transform:translateY(-3px)}
    .testimonial:nth-child(2):hover{transform:translateY(16px)}
    .avatar{
      width:46px;height:46px;border-radius:50%;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 0 20px rgba(139,92,246,.20);
      margin-bottom:14px;
    }
    .testimonial p{color:var(--muted);margin-bottom:16px}
    .testimonial strong{display:block;color:#fff}
    .testimonial span{color:var(--weak);font-size:13px}
    .faq-wrap{
      max-width:900px;
      margin-inline:auto;
      display:grid;
      gap:12px;
    }
    details{
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(15,23,42,.52);
      backdrop-filter:blur(16px);
      overflow:hidden;
      transition:var(--ease);
    }
    details:hover{border-color:rgba(34,211,238,.34)}
    details[open]{background:rgba(30,41,59,.58);border-color:rgba(34,211,238,.32)}
    summary{
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      cursor:pointer;
      padding:18px 22px;
      font-weight:750;
      list-style:none;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:28px;height:28px;
      display:grid;place-items:center;
      border-radius:50%;
      color:var(--cyan);
      background:rgba(34,211,238,.08);
      flex:0 0 auto;
      transition:var(--ease);
    }
    details[open] summary:after{content:"—";background:rgba(139,92,246,.14);color:#ddd6fe}
    .faq-content{
      padding:0 22px 20px 22px;
      color:var(--muted);
      border-left:3px solid rgba(34,211,238,.45);
      margin-left:22px;
      margin-bottom:18px;
    }
    .faq-content p{margin:0}
    .cta{
      position:relative;
      text-align:center;
      border:1px solid rgba(34,211,238,.24);
      border-radius:var(--radius-xl);
      padding:56px 28px;
      background:
        radial-gradient(circle at 20% 20%,rgba(34,211,238,.16),transparent 28%),
        radial-gradient(circle at 78% 12%,rgba(139,92,246,.18),transparent 32%),
        linear-gradient(135deg,rgba(15,23,42,.86),rgba(30,41,59,.58));
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .cta:before{
      content:"";
      position:absolute;left:-20%;right:-20%;top:0;height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent);
    }
    .cta h2{margin-top:0}
    .cta p{max-width:720px;margin:0 auto 26px;color:var(--muted)}
    .compliance-strip{
      margin-top:24px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      flex-wrap:wrap;
      color:#fed7aa;
      font-size:13px;
    }
    .compliance-strip span{padding:7px 10px;border-radius:999px;border:1px solid rgba(245,158,11,.25);background:rgba(245,158,11,.07)}
    .site-footer{
      margin-top:90px;
      border-top:1px solid rgba(148,163,184,.16);
      background:rgba(2,6,23,.74);
      backdrop-filter:blur(16px);
      padding:56px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .75fr .85fr .95fr;
      gap:34px;
      margin-bottom:34px;
    }
    .footer-brand .brand{margin-bottom:16px}
    .footer-brand p{color:var(--weak);margin:0;max-width:420px;font-size:14px}
    .footer-col h3{font-size:16px;margin:0 0 14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a,.footer-links span{
      color:var(--weak);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
    .report-box{
      border:1px solid rgba(245,158,11,.25);
      border-radius:18px;
      background:rgba(245,158,11,.06);
      padding:14px;
      color:#ffedd5;
      font-size:14px;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.12);
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .brand{min-width:auto}
      .hero{grid-template-columns:1fr;gap:38px;padding-top:58px}
      .hero-visual{max-width:720px;margin-inline:auto;width:100%}
      .solution-wrap,.matrix,.category-entry{grid-template-columns:1fr}
      .trust-row{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .testimonial-grid{grid-template-columns:1fr 1fr}
      .testimonial:nth-child(2){transform:none}
      .testimonial:nth-child(2):hover{transform:translateY(-3px)}
    }
    @media (max-width:820px){
      :root{--nav-h:70px}
      .hamburger{display:flex}
      .nav-links{
        position:absolute;
        top:calc(100% + 10px);
        left:20px;
        right:20px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:24px;
        padding:12px;
        background:rgba(5,8,22,.94);
        box-shadow:var(--shadow);
      }
      .nav-link{width:100%;text-align:center;padding:12px}
      .menu-toggle:checked ~ .nav-links{display:flex}
      .menu-toggle:checked + .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
      .menu-toggle:checked + .hamburger span:nth-child(2){opacity:0}
      .menu-toggle:checked + .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
      .nav{position:relative}
      .nav-actions .btn{display:none}
      .section{padding:70px 0}
      .issue-card,.issue-card:nth-child(even){margin-left:0;grid-template-columns:54px 1fr}
      .issue-card .mini-badge{grid-column:2}
      .issue-timeline:before{display:none}
      .media-grid{grid-template-columns:1fr}
      .floating-note{position:static;margin-top:14px;max-width:none}
      .mock-item{grid-template-columns:78px 1fr}
      .mock-item .tag{grid-column:2;width:max-content}
      .confirm-box{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:640px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .brand-title{font-size:14px}
      .brand-sub{font-size:11px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      h1{font-size:34px;letter-spacing:-.04em}
      h2{font-size:28px}
      .hero-lead,.section-head p,.category-copy p{font-size:16px}
      .hero-actions,.cta .hero-actions{flex-direction:column}
      .btn{width:100%;padding-inline:16px}
      .trust-row,.metric-grid,.testimonial-grid,.footer-grid{grid-template-columns:1fr}
      .dashboard,.steps,.preview-panel,.metric-card,.category-entry{padding:20px;border-radius:24px}
      .media-card.large{min-height:230px}
      .issue-card{padding:20px}
      .section{padding:58px 0}
      .section-tight{padding:48px 0}
      .site-footer{margin-top:62px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category1 */
:root{
      --bg:#050816;
      --bg-2:#07111f;
      --panel:rgba(15,23,42,.68);
      --panel-2:rgba(30,41,59,.52);
      --panel-3:rgba(8,13,30,.78);
      --text:#f8fafc;
      --muted:#cbd5e1;
      --weak:#94a3b8;
      --line:rgba(148,163,184,.18);
      --line-strong:rgba(34,211,238,.42);
      --cyan:#22d3ee;
      --sky:#38bdf8;
      --violet:#8b5cf6;
      --violet-2:#a78bfa;
      --amber:#f59e0b;
      --green:#34d399;
      --danger:#fb7185;
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --glow:0 0 34px rgba(34,211,238,.22),0 0 60px rgba(139,92,246,.12);
      --container:1200px;
      --nav-height:78px;
      --ease:220ms ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 82% 6%,rgba(34,211,238,.16),transparent 34%),
        radial-gradient(circle at 12% 24%,rgba(139,92,246,.18),transparent 28%),
        radial-gradient(circle at 50% 100%,rgba(56,189,248,.08),transparent 34%),
        linear-gradient(180deg,var(--bg),var(--bg-2) 46%,#050712);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(148,163,184,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(148,163,184,.055) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.24));
    }
    body:after{
      content:"";
      position:fixed;
      inset:-40% -20%;
      pointer-events:none;
      z-index:-1;
      background:repeating-linear-gradient(90deg,transparent 0 64px,rgba(34,211,238,.035) 65px,transparent 67px);
      transform:rotate(-8deg);
      opacity:.75;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:rgba(34,211,238,.3);color:#fff}
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(148,163,184,.16);
      background:rgba(5,8,22,.72);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      box-shadow:0 10px 36px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:16px;
      position:relative;
      background:
        radial-gradient(circle at 35% 30%,#fff 0 7%,transparent 8%),
        linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 0 28px rgba(34,211,238,.32),inset 0 0 18px rgba(255,255,255,.22);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.5);
      border-radius:999px;
      inset:10px;
      transform:rotate(28deg);
    }
    .brand-mark:after{
      inset:15px 8px;
      border-color:rgba(255,255,255,.28);
      transform:rotate(-28deg);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
    .brand-title{
      font-size:16px;
      font-weight:800;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:260px;
    }
    .brand-sub{
      margin-top:3px;
      font-size:12px;
      color:var(--weak);
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:7px;
      border:1px solid rgba(148,163,184,.13);
      border-radius:999px;
      background:rgba(15,23,42,.42);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      transition:color var(--ease),background var(--ease),transform var(--ease);
    }
    .nav-link:hover,.nav-link:focus{
      color:#fff;
      background:rgba(34,211,238,.09);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.18));
      box-shadow:inset 0 0 0 1px rgba(34,211,238,.16);
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:50%;
      bottom:4px;
      width:5px;
      height:5px;
      transform:translateX(-50%);
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 12px var(--cyan);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .menu-toggle{display:none}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      color:#fff;
      font-weight:700;
      line-height:1;
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease),color var(--ease);
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn:focus-visible,.filter-chip:focus-visible,.card-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{
      outline:2px solid var(--cyan);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 14px 34px rgba(34,211,238,.22),0 10px 28px rgba(139,92,246,.18);
    }
    .btn-primary:hover{
      box-shadow:0 18px 42px rgba(34,211,238,.32),0 16px 38px rgba(139,92,246,.24);
    }
    .btn-secondary{
      border:1px solid rgba(148,163,184,.26);
      background:rgba(15,23,42,.45);
      color:var(--muted);
    }
    .btn-secondary:hover{
      color:#fff;
      border-color:rgba(34,211,238,.42);
      background:rgba(34,211,238,.08);
      box-shadow:var(--glow);
    }
    .btn-warning{
      border:1px solid rgba(245,158,11,.42);
      color:#fde68a;
      background:rgba(245,158,11,.08);
    }
    .page-hero{
      position:relative;
      padding:76px 0 42px;
      overflow:hidden;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      right:-120px;
      top:20px;
      width:420px;
      height:420px;
      background:radial-gradient(circle,rgba(34,211,238,.18),transparent 64%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      max-width:100%;
      padding:8px 12px;
      margin-bottom:18px;
      border:1px solid rgba(34,211,238,.28);
      border-radius:999px;
      color:#dff9ff;
      background:rgba(34,211,238,.08);
      box-shadow:inset 0 0 18px rgba(34,211,238,.05);
      font-size:13px;
      font-weight:700;
    }
    .pulse-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 14px var(--green);
    }
    h1{
      max-width:760px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.15;
      letter-spacing:-.04em;
      font-weight:850;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 0%,#bff7ff 28%,var(--cyan) 54%,var(--violet-2) 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      margin-top:22px;
      max-width:720px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      margin-top:30px;
      display:flex;
      gap:14px;
      flex-wrap:wrap;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-top:26px;
      color:var(--weak);
      font-size:13px;
    }
    .breadcrumb a,.breadcrumb span{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 11px;
      border:1px solid rgba(148,163,184,.16);
      border-radius:999px;
      background:rgba(15,23,42,.42);
    }
    .breadcrumb a:hover{color:#fff;border-color:rgba(34,211,238,.3)}
    .filter-panel{
      position:relative;
      padding:24px;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(15,23,42,.68),rgba(15,23,42,.42));
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .filter-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg,transparent 0 42%,rgba(255,255,255,.08) 48%,transparent 54%),
        radial-gradient(circle at 70% 12%,rgba(139,92,246,.2),transparent 32%);
      transform:translateX(-30%);
      pointer-events:none;
    }
    .panel-top{
      position:relative;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:18px;
    }
    .panel-title{font-weight:800;font-size:18px}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border:1px solid rgba(52,211,153,.32);
      border-radius:999px;
      color:#bbf7d0;
      background:rgba(52,211,153,.08);
      font-size:12px;
      font-weight:700;
    }
    .visual-search{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px;
      border:1px solid rgba(148,163,184,.16);
      border-radius:18px;
      background:rgba(2,6,23,.42);
      color:var(--weak);
      margin-bottom:18px;
    }
    .visual-search span:first-child{font-size:17px;color:var(--cyan)}
    .panel-tags{
      position:relative;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:20px;
    }
    .mini-tag{
      padding:8px 11px;
      border:1px solid rgba(148,163,184,.18);
      border-radius:999px;
      color:var(--muted);
      background:rgba(15,23,42,.52);
      font-size:12px;
    }
    .mini-tag.active{
      color:#fff;
      border-color:rgba(34,211,238,.42);
      background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(139,92,246,.14));
      box-shadow:0 0 18px rgba(34,211,238,.12);
    }
    .blur-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:12px;
    }
    .blur-tile{
      min-height:118px;
      border:1px solid rgba(148,163,184,.16);
      border-radius:20px;
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(135deg,rgba(34,211,238,.2),rgba(139,92,246,.2)),
        radial-gradient(circle at 30% 25%,rgba(255,255,255,.28),transparent 20%),
        linear-gradient(45deg,#0f172a,#111827);
      filter:saturate(1.1);
    }
    .blur-tile:before{
      content:"";
      position:absolute;
      inset:0;
      backdrop-filter:blur(14px);
      background:rgba(2,6,23,.24);
    }
    .blur-tile:after{
      content:"🔒 模糊预览";
      position:absolute;
      left:12px;
      bottom:12px;
      padding:6px 10px;
      border-radius:999px;
      color:#fff;
      background:rgba(2,6,23,.62);
      border:1px solid rgba(255,255,255,.14);
      font-size:12px;
      font-weight:700;
    }
    .tile-small{min-height:118px}
    .scan-line{
      position:absolute;
      left:0;
      right:0;
      top:52%;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      box-shadow:0 0 18px var(--cyan);
      animation:scan 4s linear infinite;
      opacity:.8;
    }
    @keyframes scan{
      0%{transform:translateY(-62px);opacity:.1}
      45%,55%{opacity:.85}
      100%{transform:translateY(62px);opacity:.1}
    }
    .section{padding:78px 0}
    .section-tight{padding:48px 0 78px}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--cyan);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:8px;
    }
    h2{
      font-size:clamp(27px,3.4vw,40px);
      line-height:1.22;
      letter-spacing:-.03em;
      font-weight:850;
    }
    .section-desc{
      max-width:560px;
      color:var(--muted);
      font-size:16px;
    }
    .filter-zone{
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(15,23,42,.46);
      box-shadow:0 20px 60px rgba(0,0,0,.18);
    }
    .filter-row{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .filter-label{
      color:var(--muted);
      font-weight:800;
      margin-right:4px;
    }
    .filter-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:40px;
      padding:0 15px;
      border:1px solid rgba(148,163,184,.2);
      border-radius:999px;
      color:var(--muted);
      background:rgba(2,6,23,.22);
      transition:transform var(--ease),border-color var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease);
    }
    .filter-chip:hover{
      transform:translateY(-2px);
      color:#fff;
      border-color:rgba(34,211,238,.42);
      background:rgba(34,211,238,.08);
      box-shadow:0 0 24px rgba(34,211,238,.12);
    }
    .filter-chip.selected{
      color:#fff;
      border-color:rgba(34,211,238,.5);
      background:linear-gradient(135deg,rgba(34,211,238,.2),rgba(139,92,246,.18));
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1.18fr) minmax(310px,.72fr);
      gap:22px;
      align-items:stretch;
    }
    .feature-card,.compact-card,.masonry-card,.info-block,.faq-card,.contact-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,var(--panel),rgba(15,23,42,.42));
      border-radius:var(--radius-lg);
      box-shadow:0 18px 60px rgba(0,0,0,.2);
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .feature-card:hover,.compact-card:hover,.masonry-card:hover,.info-block:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.38);
      box-shadow:0 24px 70px rgba(0,0,0,.28),0 0 34px rgba(34,211,238,.12);
    }
    .feature-card{
      overflow:hidden;
      min-height:100%;
    }
    .media-cover{
      position:relative;
      min-height:310px;
      overflow:hidden;
      background:
        linear-gradient(135deg,rgba(34,211,238,.24),rgba(139,92,246,.18)),
        radial-gradient(circle at 25% 30%,rgba(255,255,255,.2),transparent 18%),
        radial-gradient(circle at 80% 60%,rgba(34,211,238,.22),transparent 22%),
        linear-gradient(45deg,#0b1024,#1e1b4b);
    }
    .media-cover:before{
      content:"";
      position:absolute;
      inset:0;
      backdrop-filter:blur(18px);
      background:
        linear-gradient(90deg,rgba(2,6,23,.32),rgba(2,6,23,.1)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 16px);
    }
    .media-cover:after{
      content:"";
      position:absolute;
      left:-40%;
      top:0;
      width:38%;
      height:100%;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
      transform:skewX(-18deg);
      transition:left 500ms ease;
    }
    .feature-card:hover .media-cover:after,.masonry-card:hover .thumb:after,.compact-card:hover .compact-thumb:after{left:115%}
    .cover-alt{
      position:absolute;
      left:22px;
      bottom:22px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      z-index:2;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(2,6,23,.62);
      color:#e2e8f0;
      font-size:12px;
      font-weight:800;
      backdrop-filter:blur(12px);
    }
    .tag.safe{border-color:rgba(52,211,153,.28);color:#bbf7d0}
    .tag.warn{border-color:rgba(245,158,11,.35);color:#fde68a}
    .tag.cyan{border-color:rgba(34,211,238,.34);color:#cffafe}
    .feature-body{padding:28px}
    h3{
      font-size:22px;
      line-height:1.35;
      letter-spacing:-.02em;
      font-weight:850;
    }
    .card-text{
      margin-top:12px;
      color:var(--muted);
      font-size:15px;
    }
    .meta-row{
      margin-top:18px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px 16px;
      color:var(--weak);
      font-size:13px;
    }
    .card-link{
      margin-top:22px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#dff9ff;
      font-weight:800;
      transition:gap var(--ease),color var(--ease);
    }
    .card-link:hover{gap:12px;color:#fff}
    .compact-list{
      display:grid;
      gap:14px;
    }
    .compact-card{
      display:grid;
      grid-template-columns:116px minmax(0,1fr);
      gap:14px;
      padding:14px;
      align-items:center;
    }
    .compact-thumb,.thumb{
      position:relative;
      overflow:hidden;
      border-radius:18px;
      min-height:94px;
      border:1px solid rgba(148,163,184,.16);
      background:
        radial-gradient(circle at 25% 25%,rgba(255,255,255,.2),transparent 18%),
        linear-gradient(135deg,rgba(34,211,238,.2),rgba(139,92,246,.18)),
        #0f172a;
    }
    .compact-thumb:before,.thumb:before{
      content:"";
      position:absolute;
      inset:0;
      backdrop-filter:blur(13px);
      background:rgba(2,6,23,.18);
    }
    .compact-thumb:after,.thumb:after{
      content:"";
      position:absolute;
      top:0;
      left:-60%;
      width:50%;
      height:100%;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.13),transparent);
      transform:skewX(-18deg);
      transition:left 500ms ease;
    }
    .compact-body h3{font-size:17px}
    .compact-body p{
      margin-top:6px;
      color:var(--weak);
      font-size:13px;
      line-height:1.55;
    }
    .mini-meta{
      margin-top:8px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:12px;
    }
    .masonry-grid{
      margin-top:22px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .masonry-card{
      overflow:hidden;
    }
    .masonry-card:nth-child(2){transform:translateY(18px)}
    .masonry-card:nth-child(2):hover{transform:translateY(12px)}
    .thumb{min-height:172px;border-radius:var(--radius-lg) var(--radius-lg) 0 0}
    .thumb .tag{
      position:absolute;
      left:14px;
      top:14px;
      z-index:2;
    }
    .masonry-body{padding:22px}
    .masonry-body h3{font-size:19px}
    .explain-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:20px;
    }
    .info-block{
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .info-block:before{
      content:"";
      position:absolute;
      inset:0 auto 0 0;
      width:3px;
      background:linear-gradient(var(--cyan),var(--violet));
      opacity:.75;
    }
    .info-icon{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      background:linear-gradient(135deg,rgba(34,211,238,.22),rgba(139,92,246,.18));
      border:1px solid rgba(34,211,238,.22);
      box-shadow:0 0 28px rgba(34,211,238,.1);
      margin-bottom:16px;
      font-size:20px;
    }
    .info-block p{
      margin-top:9px;
      color:var(--muted);
      font-size:15px;
    }
    .notice-strip{
      margin-top:26px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      padding:20px;
      border:1px solid rgba(245,158,11,.22);
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(245,158,11,.09),rgba(15,23,42,.42));
    }
    .notice-strip strong{color:#fde68a}
    .notice-strip p{color:var(--muted);font-size:14px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .faq-intro{
      position:sticky;
      top:104px;
      padding:28px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(15,23,42,.44);
    }
    .faq-intro p{margin-top:12px;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details.faq-card{
      padding:0;
      overflow:hidden;
    }
    details.faq-card[open]{
      border-color:rgba(34,211,238,.34);
      background:linear-gradient(180deg,rgba(34,211,238,.08),rgba(15,23,42,.48));
    }
    summary{
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 22px;
      list-style:none;
      color:#fff;
      font-weight:800;
      cursor:pointer;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      display:grid;
      place-items:center;
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:50%;
      color:var(--cyan);
      border:1px solid rgba(34,211,238,.25);
      background:rgba(34,211,238,.07);
      transition:transform var(--ease),background var(--ease);
    }
    details[open] summary:after{
      content:"–";
      transform:rotate(180deg);
      background:rgba(34,211,238,.14);
    }
    .faq-answer{
      margin:0 22px 20px;
      padding:0 0 0 16px;
      border-left:2px solid rgba(34,211,238,.48);
      color:var(--muted);
      font-size:15px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:46px;
      border:1px solid rgba(34,211,238,.25);
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 18% 20%,rgba(34,211,238,.2),transparent 28%),
        radial-gradient(circle at 82% 80%,rgba(139,92,246,.22),transparent 32%),
        linear-gradient(135deg,rgba(15,23,42,.82),rgba(2,6,23,.72));
      box-shadow:var(--shadow),var(--glow);
      text-align:center;
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
      transform:translateX(-100%);
      animation:ctaGlow 7s ease-in-out infinite;
    }
    @keyframes ctaGlow{
      0%,62%{transform:translateX(-100%)}
      100%{transform:translateX(100%)}
    }
    .cta-panel h2,.cta-panel p,.cta-panel .hero-actions{position:relative}
    .cta-panel p{
      max-width:720px;
      margin:14px auto 0;
      color:var(--muted);
    }
    .cta-panel .hero-actions{justify-content:center}
    .compliance-line{
      position:relative;
      margin-top:20px;
      color:var(--weak);
      font-size:13px;
    }
    .feedback-grid{
      display:grid;
      grid-template-columns:1fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .contact-card{
      padding:28px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:18px;
    }
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    input,textarea{
      width:100%;
      border:1px solid rgba(148,163,184,.2);
      border-radius:16px;
      background:rgba(2,6,23,.32);
      color:#fff;
      padding:13px 14px;
      outline:none;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    textarea{min-height:116px;resize:vertical}
    input:focus,textarea:focus{
      border-color:rgba(34,211,238,.55);
      box-shadow:0 0 0 4px rgba(34,211,238,.08);
      background:rgba(2,6,23,.48);
    }
    .side-rules{
      display:grid;
      gap:14px;
    }
    .rule-item{
      padding:20px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(15,23,42,.42);
    }
    .rule-item strong{display:block;color:#fff}
    .rule-item span{display:block;margin-top:6px;color:var(--weak);font-size:14px}
    .site-footer{
      margin-top:48px;
      padding:58px 0 28px;
      border-top:1px solid rgba(148,163,184,.16);
      background:
        radial-gradient(circle at 20% 0,rgba(34,211,238,.08),transparent 28%),
        linear-gradient(180deg,rgba(2,6,23,.72),#020617);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:32px;
      align-items:start;
    }
    .footer-brand p{
      margin-top:16px;
      color:var(--weak);
      font-size:14px;
      max-width:420px;
    }
    .footer-col h3{
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:var(--weak);
      font-size:14px;
    }
    .footer-links a,.footer-links span{
      transition:color var(--ease),transform var(--ease);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .report-box{
      padding:16px;
      border:1px solid rgba(245,158,11,.24);
      border-radius:18px;
      background:rgba(245,158,11,.07);
      color:#fde68a;
      font-size:14px;
      line-height:1.7;
    }
    .footer-bottom{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(148,163,184,.12);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .brand-title{max-width:210px}
      .hero-grid,.content-layout,.faq-wrap,.feedback-grid{grid-template-columns:1fr}
      .filter-panel{max-width:680px;margin-inline:auto}
      .faq-intro{position:static}
      .masonry-grid,.explain-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .notice-strip{grid-template-columns:1fr}
    }
    @media (max-width:780px){
      :root{--nav-height:70px}
      .container{width:min(calc(100% - 28px),var(--container))}
      .nav-wrap{flex-wrap:wrap;padding:12px 0}
      .brand-title{max-width:190px;font-size:15px}
      .menu-toggle{
        display:inline-flex;
        width:44px;
        height:44px;
        align-items:center;
        justify-content:center;
        border-radius:16px;
        border:1px solid rgba(148,163,184,.2);
        background:rgba(15,23,42,.48);
        color:#fff;
      }
      .nav-links{
        order:3;
        width:100%;
        display:none;
        justify-content:stretch;
        border-radius:22px;
        padding:10px;
        margin-top:4px;
      }
      .site-header.open .nav-links{display:grid;grid-template-columns:1fr}
      .nav-link{justify-content:center}
      .nav-actions .btn{min-height:42px;padding:0 14px;font-size:13px}
      .page-hero{padding:48px 0 30px}
      .hero-actions .btn{width:100%}
      .section,.section-tight{padding:58px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .filter-zone{padding:18px}
      .masonry-grid,.explain-grid,.form-grid{grid-template-columns:1fr}
      .masonry-card:nth-child(2){transform:none}
      .masonry-card:nth-child(2):hover{transform:translateY(-4px)}
      .feature-body,.contact-card{padding:22px}
      .media-cover{min-height:240px}
      .cta-panel{padding:32px 22px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .nav-actions .btn{display:none}
      h1{font-size:32px}
      .hero-lead{font-size:16px}
      .filter-panel{padding:18px;border-radius:24px}
      .blur-grid{grid-template-columns:1fr}
      .compact-card{grid-template-columns:1fr}
      .compact-thumb{min-height:130px}
      .section{padding:50px 0}
      .filter-row{align-items:stretch}
      .filter-chip{width:100%;justify-content:center}
      summary{padding:16px;min-height:58px}
      .faq-answer{margin:0 16px 18px}
      .footer-brand .brand-title{max-width:240px}
    }