:root{
      --bg0:#f7f8fb;
      --bg1:#ffffff;
      --ink:#111827;
      --muted:#4b5563;
      --muted2:#6b7280;
      --line:#e5e7eb;
      --card:#ffffff;
      --shadow: 0 10px 30px rgba(17,24,39,.08);
      --shadow2: 0 6px 18px rgba(17,24,39,.10);
      --radius:16px;
      --radius2:22px;

      --brand:#6d28d9;
      --brand2:#0ea5e9;
      --brand3:#22c55e;
      --warn:#f59e0b;
      --danger:#ef4444;

      --grad: linear-gradient(120deg, #6d28d9 0%, #0ea5e9 40%, #22c55e 85%);
      --gradSoft: linear-gradient(120deg, rgba(109,40,217,.12) 0%, rgba(14,165,233,.14) 40%, rgba(34,197,94,.12) 85%);
      --grad2: linear-gradient(135deg, rgba(109,40,217,.18) 0%, rgba(14,165,233,.16) 50%, rgba(34,197,94,.12) 100%);
      --ring: 0 0 0 4px rgba(109,40,217,.14);
      --focus: 0 0 0 4px rgba(14,165,233,.14);
      --max:1120px;

      --ease: cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1000px 500px at 8% 0%, rgba(109,40,217,.10), transparent 55%),
        radial-gradient(900px 480px at 88% 10%, rgba(14,165,233,.10), transparent 55%),
        radial-gradient(820px 520px at 50% 28%, rgba(34,197,94,.10), transparent 60%),
        linear-gradient(180deg, var(--bg0) 0%, #fbfbfd 35%, #f6f7fb 100%);
    }

    a{color:inherit; text-decoration:none}
    .container{max-width:var(--max); margin:0 auto; padding:0 18px}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

    .skip-link{
      position:absolute; left:12px; top:12px; z-index:9999;
      padding:10px 12px; border-radius:999px; background:#0b1220; color:#fff;
      transform:translateY(-140%); transition:transform .2s var(--ease);
    }
    .skip-link:focus{transform:translateY(0); outline:none; box-shadow:var(--ring)}
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(160%) blur(10px);
      background: rgba(247,248,251,.78);
      border-bottom: 1px solid rgba(229,231,235,.65);
    }
    .nav-wrap{
      height:72px; display:flex; align-items:center; justify-content:space-between; gap:16px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 220px;
    }
    .brand-logo{
      width:42px; height:42px; border-radius:14px;
      background: var(--grad2);
      display:grid; place-items:center;
      box-shadow: 0 10px 26px rgba(109,40,217,.16);
      border: 1px solid rgba(109,40,217,.20);
      overflow:hidden;
    }
    .brand-logo img{display:block; width:100%; height:100%; object-fit:cover}
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted2)}

    .nav-desktop{
      display:flex; align-items:center; gap:18px;
    }
    .nav-links{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap;
    }
    .nav-links a{
      font-size:13px; color:var(--muted);
      padding:10px 10px; border-radius:12px;
      transition: background .2s var(--ease), color .2s var(--ease);
    }
    .nav-links a:hover{background: rgba(109,40,217,.08); color:var(--ink)}
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }

    .btn{
      border:1px solid transparent;
      background:#fff;
      color:var(--ink);
      padding:11px 14px;
      border-radius:14px;
      font-weight:650;
      font-size:13px;
      letter-spacing:.1px;
      display:inline-flex; align-items:center; gap:10px;
      box-shadow: 0 12px 24px rgba(17,24,39,.06);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: var(--shadow2)}
    .btn:active{transform: translateY(0px); box-shadow: 0 6px 14px rgba(17,24,39,.10)}
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn-primary{
      background: var(--grad);
      color:#fff;
      border-color: rgba(255,255,255,.22);
      box-shadow: 0 14px 30px rgba(109,40,217,.20);
    }
    .btn-primary:hover{box-shadow: 0 18px 38px rgba(109,40,217,.26)}
    .btn-ghost{
      background: rgba(255,255,255,.75);
      border-color: rgba(17,24,39,.10);
    }
    .btn-dark{
      background:#0b1220;
      color:#fff;
      border-color: rgba(255,255,255,.10);
      box-shadow: 0 14px 30px rgba(11,18,32,.18);
    }

    .hamburger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 24px rgba(17,24,39,.06);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .hamburger:hover{transform: translateY(-1px); box-shadow: var(--shadow2)}
    .hamburger:focus{outline:none; box-shadow: var(--focus)}
    .hamburger svg{width:20px; height:20px}

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(229,231,235,.65);
      background: rgba(247,248,251,.92);
      padding: 14px 0 18px;
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:10px;
    }
    .mobile-links a{
      padding:12px 12px;
      border:1px solid rgba(17,24,39,.08);
      border-radius:14px;
      background: rgba(255,255,255,.72);
      color:var(--ink);
      font-weight:620;
      font-size:14px;
    }

    main{padding: 22px 0 40px}
    .hero{
      padding: 26px 0 18px;
    }
    .hero-card{
      border-radius: var(--radius2);
      border:1px solid rgba(109,40,217,.18);
      background:
        radial-gradient(900px 360px at 10% 0%, rgba(109,40,217,.20), transparent 55%),
        radial-gradient(760px 320px at 92% 12%, rgba(14,165,233,.18), transparent 55%),
        radial-gradient(620px 300px at 48% 36%, rgba(34,197,94,.16), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(255,255,255,.70) 100%);
      box-shadow: 0 20px 60px rgba(17,24,39,.08);
      overflow:hidden;
      position:relative;
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
      padding: 26px;
      align-items: start;
    }

    .badge{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px; border-radius:999px;
      border:1px solid rgba(109,40,217,.18);
      background: rgba(255,255,255,.74);
      box-shadow: 0 12px 24px rgba(17,24,39,.06);
      font-weight:680;
      font-size:13px;
      color:var(--ink);
    }
    .dot{
      width:10px; height:10px; border-radius:999px; background: var(--grad);
      box-shadow: 0 0 0 4px rgba(109,40,217,.12);
    }

    h1{
      margin: 12px 0 10px;
      font-size: clamp(24px, 3.2vw, 40px);
      letter-spacing:-.6px;
      line-height:1.12;
    }
    .lead{
      margin:0;
      color: var(--muted);
      font-size: 15px;
      line-height:1.7;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      margin-top: 18px;
    }
    .hero-meta{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top: 16px;
    }
    .pill{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      color:var(--muted);
      font-size:13px;
      display:flex; align-items:center; gap:8px;
    }
    .pill svg{width:16px; height:16px; flex:0 0 auto; color: rgba(17,24,39,.75)}
    .hero-side{
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.72);
      padding: 16px;
      position:relative;
    }
    .hero-side h2{
      margin:0 0 10px; font-size:15px; letter-spacing:.2px;
      color: var(--ink);
    }
    .sparkline{
      height: 132px;
      border-radius: 14px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.75) 0%, rgba(255,255,255,.55) 100%);
      border:1px solid rgba(109,40,217,.16);
      position:relative;
      overflow:hidden;
    }
    .sparkline:before{
      content:"";
      position:absolute; inset:-40px -40px auto -40px; height: 150px;
      background: radial-gradient(circle at 20% 40%, rgba(109,40,217,.25), transparent 55%),
                  radial-gradient(circle at 70% 50%, rgba(14,165,233,.22), transparent 60%),
                  radial-gradient(circle at 45% 80%, rgba(34,197,94,.20), transparent 62%);
      filter:saturate(120%);
      transform: rotate(-8deg);
    }
    .sparkline svg{
      position:absolute; inset:0;
      width:100%; height:100%;
    }

    .mini-stats{
      margin-top: 12px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .stat{
      padding: 12px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.68);
      border:1px solid rgba(17,24,39,.08);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .stat:hover{transform: translateY(-1px); box-shadow: 0 14px 30px rgba(17,24,39,.08)}
    .stat b{display:block; font-size:16px; letter-spacing:-.2px}
    .stat span{display:block; margin-top:4px; color:var(--muted2); font-size:12.5px; line-height:1.25}

    .section{
      padding: 22px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px; margin-bottom: 14px;
    }
    .section-title h2{
      margin:0;
      font-size: 20px;
      letter-spacing:-.3px;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
      max-width: 62ch;
    }

    .grid-3{
      display:grid; gap:12px;
      grid-template-columns: repeat(3, minmax(0,1fr));
    }
    .grid-2{
      display:grid; gap:12px;
      grid-template-columns: repeat(2, minmax(0,1fr));
    }
    .card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius);
      box-shadow: 0 16px 40px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .card-pad{padding:16px}
    .card-hover{
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }
    .card-hover:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(109,40,217,.20)}
    .kicon{
      width:42px; height:42px; border-radius:16px;
      background: var(--gradSoft);
      border:1px solid rgba(109,40,217,.18);
      display:grid; place-items:center;
      margin-bottom: 10px;
    }
    .kicon svg{width:20px; height:20px}
    .card h3{
      margin:0 0 8px; font-size:15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0; color:var(--muted);
      font-size:13.5px; line-height:1.7;
    }
    .tag-row{display:flex; flex-wrap:wrap; gap:8px; margin-top: 12px}
    .tag{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      color: var(--muted);
      font-size:12.5px;
    }

    .steps{
      display:grid; gap:12px;
      grid-template-columns: repeat(4, minmax(0,1fr));
    }
    .step{
      position:relative;
      padding: 16px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius);
      box-shadow: 0 16px 40px rgba(17,24,39,.05);
      overflow:hidden;
    }
    .step:before{
      content:"";
      position:absolute; inset:-1px -1px auto -1px; height: 8px;
      background: var(--grad);
      opacity:.7;
    }
    .step-top{display:flex; align-items:center; gap:10px; margin-bottom: 8px}
    .step-num{
      width:34px; height:34px; border-radius:14px;
      background: rgba(109,40,217,.12);
      border:1px solid rgba(109,40,217,.18);
      display:grid; place-items:center;
      font-weight:800;
      color: var(--brand);
    }
    .step h3{margin:0; font-size:15px}
    .step p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7}

    .compare{
      overflow:hidden;
    }
    .table-wrap{
      overflow:auto;
      border-top:1px solid rgba(17,24,39,.08);
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width: 760px;
      background: rgba(255,255,255,.78);
    }
    th, td{
      padding: 12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      text-align:left;
      vertical-align:top;
      font-size:13.5px;
      color:var(--ink);
    }
    th{
      position:sticky; top:0;
      background: rgba(255,255,255,.92);
      z-index:1;
      font-size:13px;
      color: var(--muted);
      font-weight:780;
    }
    tr td:first-child{
      color: var(--muted);
      width: 210px;
      font-weight:650;
      background: rgba(247,248,251,.35);
    }
    .score{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:3px;
    }
    .star{
      width:18px; height:18px; display:inline-block;
      background: radial-gradient(circle at 30% 30%, #fff 0%, rgba(255,255,255,.4) 25%, transparent 28%),
                  var(--grad);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow: 0 8px 18px rgba(109,40,217,.20);
    }
    .score b{font-size:18px; letter-spacing:-.2px}
    .score span{color:var(--muted2); font-size:13px}

    .badge-5{
      display:inline-flex; align-items:center; gap:10px;
      padding: 10px 12px;
      border-radius: 16px;
      background: rgba(34,197,94,.10);
      border:1px solid rgba(34,197,94,.22);
    }
    .badge-5 svg{width:18px; height:18px; color:#16a34a}

    .faq-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:start;
    }
    details{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding: 10px 12px;
      box-shadow: 0 16px 40px rgba(17,24,39,.05);
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
    }
    details[open]{border-color: rgba(109,40,217,.24); box-shadow: var(--shadow2)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding: 6px 0;
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-weight:800;
      font-size:14px;
      line-height:1.45;
    }
    .chev{
      width:26px; height:26px; border-radius:12px;
      display:grid; place-items:center;
      background: rgba(109,40,217,.10);
      border:1px solid rgba(109,40,217,.16);
      flex:0 0 auto;
      transition: transform .2s var(--ease);
      margin-top: -2px;
    }
    details[open] .chev{transform: rotate(180deg)}
    .a{
      color: var(--muted);
      font-size:13.5px;
      line-height:1.75;
      padding: 6px 0 8px;
    }

    .side-box{
      padding: 16px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius);
      box-shadow: 0 16px 40px rgba(17,24,39,.05);
      position:sticky; top: 90px;
    }
    .side-box h3{margin:0 0 10px; font-size:15.5px}
    .side-box p{margin:0; color: var(--muted); font-size:13.5px; line-height:1.75}
    .side-list{list-style:none; padding:0; margin:12px 0 0; display:flex; flex-direction:column; gap:10px}
    .side-list li{
      display:flex; gap:10px; align-items:flex-start;
      padding: 10px 10px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.65);
    }
    .check{
      width:22px; height:22px; border-radius:10px;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.20);
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top: 1px;
    }
    .check svg{width:14px; height:14px; color:#0284c7}
    .side-list b{display:block; font-size:13.5px}
    .side-list span{display:block; margin-top:3px; color:var(--muted2); font-size:12.5px; line-height:1.35}

    .gallery{
      display:grid; gap:12px;
      grid-template-columns: 1fr 1fr;
      align-items:stretch;
    }
    .case{
      padding:16px;
      display:flex; flex-direction:column; justify-content:space-between;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius);
      box-shadow: 0 16px 40px rgba(17,24,39,.05);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
      min-height: 210px;
    }
    .case:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(109,40,217,.20)}
    .case-top{display:flex; gap:12px; align-items:flex-start}
    .case-icon{
      width:46px; height:46px; border-radius:18px;
      border:1px solid rgba(109,40,217,.18);
      background: var(--gradSoft);
      display:grid; place-items:center;
      flex:0 0 auto;
    }
    .case-icon svg{width:22px; height:22px}
    .case h3{margin:0; font-size:15.5px}
    .case p{margin:6px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .case-bottom{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-top: 12px;
    }
    .metric{
      display:flex; flex-direction:column; gap:3px;
    }
    .metric b{font-size:16px; letter-spacing:-.2px}
    .metric span{color:var(--muted2); font-size:12.5px}
    .link-btn{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      color:var(--ink);
      font-weight:700;
      font-size:13px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
      cursor:pointer;
      white-space:nowrap;
    }
    .link-btn:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(17,24,39,.08); border-color: rgba(109,40,217,.22)}
    .link-btn svg{width:16px; height:16px}

    .articles{
      display:grid; gap:12px;
      grid-template-columns: 1.2fr .8fr;
      align-items:start;
    }
    .article-list{
      padding: 14px;
    }
    .article-row{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding: 12px 10px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.65);
      margin-bottom: 10px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }
    .article-row:last-child{margin-bottom:0}
    .article-row:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(17,24,39,.08); border-color: rgba(109,40,217,.22)}
    .article-row h3{margin:0; font-size:14.5px; line-height:1.35}
    .article-row p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    .article-row .meta{
      margin-top: 8px; color:var(--muted2); font-size:12.5px; display:flex; gap:8px; flex-wrap:wrap
    }
    .article-row .badge-mini{
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(14,165,233,.10);
      border:1px solid rgba(14,165,233,.20);
      color:#0369a1;
      font-weight:750;
      font-size:12.5px;
      white-space:nowrap;
      flex:0 0 auto;
      display:flex; align-items:center;
    }

    .network{
      display:grid; gap:12px;
      grid-template-columns: repeat(3, minmax(0,1fr));
    }
    .network .item{padding:16px}
    .network b{display:block; font-size:15px; margin-bottom:6px}
    .network span{display:block; color:var(--muted); font-size:13.5px; line-height:1.7}
    .timeline{
      padding: 16px;
    }
    .tl{
      display:flex; flex-direction:column; gap:12px;
    }
    .tl-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.65);
    }
    .tl-dot{
      width:14px; height:14px; border-radius:999px;
      margin-top: 6px;
      background: var(--grad);
      box-shadow: 0 0 0 4px rgba(109,40,217,.12);
      flex:0 0 auto;
    }
    .tl-item b{font-size:14.5px; display:block}
    .tl-item p{margin:4px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}

    .form{
      padding: 16px;
    }
    .form-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-weight:760; font-size:13px; color:var(--ink);
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      padding: 12px 12px;
      background: rgba(255,255,255,.78);
      color:var(--ink);
      font-size:14px;
      outline:none;
      transition: box-shadow .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }
    textarea{min-height:108px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(14,165,233,.30);
      box-shadow: var(--focus);
      background: #fff;
    }
    .form-foot{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top: 12px;
    }
    .form-note{
      color:var(--muted2);
      font-size:12.5px; line-height:1.6;
    }

    footer{
      padding: 26px 0 26px;
      background: rgba(255,255,255,.60);
      border-top: 1px solid rgba(229,231,235,.75);
    }
    .footer-inner{
      display:flex; align-items:flex-start; justify-content:space-between; gap:16px; flex-wrap:wrap;
    }
    .footer-left{
      max-width: 520px;
    }
    .footer-left p{
      margin:10px 0 0;
      color: var(--muted);
      font-size:13.5px; line-height:1.7;
    }
    .footer-links{
      display:flex; gap:14px; flex-wrap:wrap;
      align-items:center;
    }
    .footer-links a{
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      color:var(--ink);
      font-weight:720;
      font-size:13px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }
    .footer-links a:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(17,24,39,.08); border-color: rgba(109,40,217,.22)}
    .copyright{
      margin-top: 14px;
      color: var(--muted2);
      font-size:12.5px;
      line-height:1.6;
    }

    .float-contact{
      position:fixed; right: 14px; bottom: 14px; z-index:60;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .float-qrcode{
      width: 206px;
      background: rgba(255,255,255,.88);
      border:1px solid rgba(17,24,39,.10);
      box-shadow: var(--shadow2);
      border-radius: 18px;
      overflow:hidden;
      transform-origin: 100% 100%;
      transition: transform .22s var(--ease), opacity .22s var(--ease);
      opacity:0; transform: scale(.98) translateY(10px); pointer-events:none;
    }
    .float-qrcode.open{
      opacity:1; transform: scale(1) translateY(0px); pointer-events:auto;
    }
    .float-qrcode .head{
      padding: 10px 12px;
      background: rgba(109,40,217,.10);
      border-bottom:1px solid rgba(17,24,39,.08);
      display:flex; justify-content:space-between; align-items:center; gap:10px;
    }
    .float-qrcode .head b{font-size:13px}
    .xbtn{
      width:30px; height:30px; border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      display:grid; place-items:center;
      cursor:pointer;
    }
    .xbtn svg{width:14px; height:14px}
    .float-qrcode .body{
      padding: 12px;
      display:flex; flex-direction:column; gap:10px;
      align-items:center;
    }
    .qr{
      width: 160px; height: 160px;
      border-radius: 16px;
      border:1px dashed rgba(17,24,39,.16);
      display:grid; place-items:center;
      background: #fff;
      overflow:hidden;
    }
    .qr img{width:100%; height:100%; object-fit:cover}
    .qr-note{
      color: var(--muted2);
      font-size:12.5px; line-height:1.5;
      text-align:center;
    }

    .fab{
      display:flex; align-items:center; gap:10px;
      padding: 12px 14px;
      border-radius: 18px;
      border:1px solid rgba(255,255,255,.22);
      background: var(--grad);
      color:#fff;
      box-shadow: 0 18px 40px rgba(109,40,217,.28);
      cursor:pointer;
      user-select:none;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), filter .2s var(--ease);
      font-weight:800;
      font-size:13.5px;
      letter-spacing:.1px;
      white-space:nowrap;
    }
    .fab:hover{transform: translateY(-2px); box-shadow: 0 22px 46px rgba(109,40,217,.30); filter:saturate(110%)}
    .fab svg{width:18px; height:18px}
    .to-top{
      width: 46px; height: 46px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.86);
      display:grid; place-items:center;
      box-shadow: 0 16px 40px rgba(17,24,39,.10);
      cursor:pointer;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .to-top:hover{transform: translateY(-2px); box-shadow: var(--shadow2)}
    .to-top svg{width:18px; height:18px; color: var(--ink)}

    .reveal{opacity:0; transform: translateY(10px); transition: opacity .5s var(--ease), transform .6s var(--ease)}
    .reveal.in{opacity:1; transform: translateY(0)}
    .float-contact *{ -webkit-tap-highlight-color: transparent }

    .divider{
      height:1px; background: rgba(229,231,235,.75);
      margin: 14px 0;
    }

    .seg{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }
    .seg .chip{
      padding:9px 12px; border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-size:12.8px; font-weight:700;
      display:inline-flex; gap:8px; align-items:center;
    }
    .chip i{
      width:10px; height:10px; border-radius:999px; background: var(--grad);
      display:inline-block;
    }

    @media (max-width: 980px){
      .hero-inner{grid-template-columns: 1fr; padding: 18px}
      .hero-side{order:2}
      .grid-3{grid-template-columns: 1fr 1fr}
      .steps{grid-template-columns: 1fr 1fr}
      .faq-grid{grid-template-columns: 1fr}
      .side-box{position:relative; top:auto}
      .articles{grid-template-columns: 1fr}
      .gallery{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr 1fr}
      .form-grid{grid-template-columns:1fr}
      table{min-width: 640px}
      .nav-desktop{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .float-qrcode{width: 188px}
      .qr{width: 144px; height:144px}
    }
    @media (max-width: 520px){
      .nav-wrap{height:68px}
      .brand{min-width: unset}
      .brand-title span{display:none}
      .grid-3{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .hero-meta{gap:8px}
      .mini-stats{grid-template-columns: 1fr 1fr}
      .float-qrcode{width: 176px}
      .qr{width: 134px; height:134px}
      .fab{padding: 11px 12px}
    }