:root{
      --bg:#f7f7fb;
      --surface:#ffffff;
      --text:#111827;
      --muted:#5b6475;
      --line:rgba(17,24,39,.12);
      --shadow: 0 10px 30px rgba(17,24,39,.08);
      --shadow2: 0 6px 18px rgba(17,24,39,.10);
      --brand:#6d28d9;
      --brand2:#ef4444;
      --brand3:#06b6d4;
      --ok:#16a34a;
      --warn:#f59e0b;
      --radius:18px;
      --radius2:26px;
      --container: 1120px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      background:
        radial-gradient(1000px 600px at 20% -10%, rgba(109,40,217,.18), transparent 55%),
        radial-gradient(900px 520px at 80% 0%, rgba(239,68,68,.14), transparent 52%),
        radial-gradient(900px 520px at 50% 30%, rgba(6,182,212,.10), transparent 60%),
        linear-gradient(180deg, #f7f7fb 0%, #fbfbfe 40%, #f6f7fb 100%);
      color:var(--text);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    button{font-family:inherit}
    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 20px;
    }
    .topbar{
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(247,247,251,.72);
      border-bottom: 1px solid rgba(17,24,39,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 14px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 220px;
    }
    .ai-page-logo{
      width: 44px; height:auto;
      border-radius: 12px;
      background: rgba(255,255,255,.85);
      padding: 6px;
      box-shadow: 0 10px 22px rgba(109,40,217,.10);
    }
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-text .name{font-weight:800; letter-spacing:.2px}
    .brand-text .tag{font-size:12px; color:var(--muted); margin-top:4px}
    nav{display:flex; align-items:center; gap:10px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:nowrap;
      white-space:nowrap;
    }
    .nav-links a{
      font-size:14px;
      color: rgba(17,24,39,.78);
      padding: 8px 10px;
      border-radius: 12px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }
    .nav-links a:hover{
      background: rgba(109,40,217,.08);
      color: rgba(17,24,39,.95);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
      margin-left: 6px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding: 11px 14px;
      border-radius: 14px;
      border: 1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.72);
      color: rgba(17,24,39,.92);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: var(--shadow2); background: rgba(255,255,255,.92)}
    .btn-primary{
      border-color: rgba(109,40,217,.25);
      background: linear-gradient(135deg, rgba(109,40,217,.98), rgba(239,68,68,.92));
      color:#fff;
      box-shadow: 0 14px 34px rgba(109,40,217,.18);
    }
    .btn-primary:hover{background: linear-gradient(135deg, rgba(109,40,217,1), rgba(239,68,68,1))}
    .btn-small{padding: 9px 12px; border-radius: 12px; font-size:14px}
    .btn-ghost{
      background: rgba(255,255,255,.65);
    }
    .nav-toggle{
      display:none;
      width: 44px; height:44px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .nav-toggle:hover{transform: translateY(-1px); box-shadow: var(--shadow2)}
    .burger{
      width:18px; height:12px; position:relative; margin:0 auto;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px; background: rgba(17,24,39,.78);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .nav-toggle[aria-expanded="true"] .burger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .nav-toggle[aria-expanded="true"] .burger span:nth-child(2){opacity:0}
    .nav-toggle[aria-expanded="true"] .burger span:nth-child(3){top:5px; transform: rotate(-45deg)}
    .mobile-menu{
      display:none;
      padding: 10px 0 18px;
    }
    .mobile-menu .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      padding: 10px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      border-radius: 18px;
      box-shadow: 0 16px 40px rgba(17,24,39,.08);
    }
    .mobile-menu a{
      padding: 12px 12px;
      border-radius: 14px;
      font-size:15px;
      color: rgba(17,24,39,.90);
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.70);
    }
    .mobile-menu a:active{transform: translateY(1px)}
    .hero{
      padding: 34px 0 18px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius2);
      background: linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.62));
      border: 1px solid rgba(17,24,39,.10);
      box-shadow: 0 18px 60px rgba(17,24,39,.08);
      overflow:hidden;
      position:relative;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(900px 380px at 20% 10%, rgba(109,40,217,.22), transparent 60%),
        radial-gradient(700px 320px at 70% 0%, rgba(239,68,68,.18), transparent 58%),
        radial-gradient(720px 420px at 60% 80%, rgba(6,182,212,.14), transparent 58%);
      pointer-events:none;
    }
    .hero-left{
      padding: 26px 22px 22px;
      position:relative;
    }
    .crumbs{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom: 14px;
      position:relative;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(17,24,39,.10);
      color: rgba(17,24,39,.86);
      font-size:13px;
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, rgba(109,40,217,1), rgba(239,68,68,1));
      box-shadow: 0 0 0 5px rgba(109,40,217,.12);
    }
    h1{
      margin: 6px 0 10px;
      font-size: 34px;
      letter-spacing: -0.6px;
      line-height: 1.15;
      position:relative;
    }
    .hero-sub{
      margin: 0;
      color: rgba(17,24,39,.70);
      font-size: 15px;
      line-height: 1.7;
      max-width: 60ch;
      position:relative;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top: 16px;
      position:relative;
      align-items:center;
    }
    .hero-actions .btn{min-width: 170px}
    .micro-note{
      display:flex; align-items:flex-start; gap:10px;
      color: rgba(17,24,39,.66);
      font-size: 13px;
      line-height: 1.5;
      margin-top: 14px;
      position:relative;
    }
    .spark{
      width: 18px; height:18px; border-radius: 6px;
      background: rgba(109,40,217,.14);
      border:1px solid rgba(109,40,217,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
    }
    .spark svg{display:block}
    .hero-right{
      padding: 18px;
      position:relative;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .right-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .right-title{
      display:flex; flex-direction:column; gap:6px;
    }
    .right-title .kicker{
      font-size:12px;
      color: rgba(17,24,39,.62);
      text-transform: uppercase;
      letter-spacing: .12em;
    }
    .right-title .main{
      font-weight:800;
      font-size:16px;
      letter-spacing: -.2px;
    }
    .score-badge{
      display:flex; flex-direction:column; align-items:flex-end; gap:6px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.64);
      box-shadow: 0 14px 34px rgba(17,24,39,.06);
      min-width: 120px;
    }
    .score-badge .stars{
      font-size:14px;
      letter-spacing: 1px;
      color: rgba(245,158,11,.98);
    }
    .score-badge .score{
      font-weight:900;
      font-size: 18px;
      letter-spacing: -.4px;
      color: rgba(17,24,39,.92);
    }
    .right-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .stat{
      padding: 12px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.65);
      border:1px solid rgba(17,24,39,.10);
      box-shadow: 0 16px 40px rgba(17,24,39,.05);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .stat:hover{transform: translateY(-2px); box-shadow: 0 22px 60px rgba(17,24,39,.08)}
    .stat .num{
      font-weight:900;
      letter-spacing: -.5px;
      font-size: 20px;
    }
    .stat .lbl{
      color: rgba(17,24,39,.64);
      font-size: 13px;
      margin-top: 6px;
      line-height:1.35;
    }
    .right-btm{
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.08), rgba(239,68,68,.06), rgba(6,182,212,.06));
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .match-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding: 10px 10px;
      border-radius: 14px;
      background: rgba(255,255,255,.60);
      border: 1px solid rgba(17,24,39,.08);
    }
    .match-row .left{
      display:flex; align-items:center; gap:10px;
    }
    .icon{
      width: 34px; height:34px; border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
    }
    .match-row .t{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .match-row .t strong{font-size:14px}
    .match-row .t span{font-size:12px; color: rgba(17,24,39,.62); margin-top: 4px}
    .badge-right{
      font-size: 12px;
      color: rgba(17,24,39,.70);
      padding: 6px 10px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      white-space:nowrap;
    }

    section{padding: 18px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 14px;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing: -.4px;
    }
    .section-head p{
      margin:0;
      color: rgba(17,24,39,.66);
      font-size: 14px;
      line-height: 1.6;
      max-width: 62ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      align-items:stretch;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      align-items:stretch;
    }
    .card{
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 16px 44px rgba(17,24,39,.05);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 70px rgba(17,24,39,.08);
      border-color: rgba(109,40,217,.24);
    }
    .card .k{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      color: rgba(17,24,39,.72);
      background: rgba(255,255,255,.65);
      border: 1px solid rgba(17,24,39,.10);
      white-space:nowrap;
    }
    .card h3{
      margin: 0 0 8px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .card p{
      margin: 0;
      color: rgba(17,24,39,.66);
      font-size: 14px;
      line-height: 1.7;
    }
    .list{
      margin: 10px 0 0;
      padding: 0;
      list-style:none;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .list li{
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      font-size: 13px;
      color: rgba(17,24,39,.76);
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      align-items:stretch;
    }
    .step{
      padding: 16px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60));
      border: 1px solid rgba(17,24,39,.10);
      box-shadow: 0 18px 54px rgba(17,24,39,.05);
      position:relative;
      overflow:hidden;
    }
    .step::after{
      content:"";
      position:absolute;
      width: 120px; height: 120px;
      right:-60px; top:-60px;
      background: radial-gradient(circle at 30% 30%, rgba(109,40,217,.22), transparent 55%);
      pointer-events:none;
    }
    .step .num{
      width: 38px; height: 38px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-weight:900;
      color: rgba(109,40,217,.95);
    }
    .step h3{margin: 10px 0 8px; font-size:15px}
    .step p{margin:0; color: rgba(17,24,39,.66); font-size: 13.5px; line-height:1.7}
    .compare-wrap{
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 18px 54px rgba(17,24,39,.05);
    }
    .compare-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
      padding: 4px 4px 12px;
    }
    .compare-head .left h2{margin:0; font-size:22px}
    .compare-head .left p{margin:6px 0 0; color: rgba(17,24,39,.66); font-size:14px; line-height:1.7}
    .rating{
      display:flex; align-items:center; gap:14px;
      padding: 10px 12px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
    }
    .rating .star{
      font-size: 18px;
      letter-spacing: 1px;
      color: rgba(245,158,11,.98);
      font-weight:900;
    }
    .rating .meta{
      display:flex; flex-direction:column; gap:4px;
    }
    .rating .meta strong{font-size:20px; letter-spacing:-.4px}
    .rating .meta span{font-size:12px; color: rgba(17,24,39,.66)}
    .table-wrap{
      overflow:auto;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width: 820px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(17,24,39,.08);
      vertical-align:top;
      font-size:14px;
    }
    th{
      position:sticky;
      top:0;
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(239,68,68,.10), rgba(6,182,212,.10));
      color: rgba(17,24,39,.92);
      font-weight:900;
      z-index:1;
    }
    td{color: rgba(17,24,39,.74)}
    tr:last-child td{border-bottom:none}
    .mark{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      font-size: 13px;
      white-space:nowrap;
    }
    .mark.good{
      border-color: rgba(22,163,74,.18);
      background: rgba(22,163,74,.08);
      color: rgba(22,163,74,.98);
      font-weight:800;
    }
    .mark.near{
      border-color: rgba(245,158,11,.22);
      background: rgba(245,158,11,.10);
      color: rgba(146,64,14,.95);
      font-weight:800;
    }
    .mark.mid{
      border-color: rgba(59,130,246,.18);
      background: rgba(59,130,246,.08);
      color: rgba(30,64,175,.96);
      font-weight:800;
    }

    .faq{
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius2);
      padding: 10px;
      box-shadow: 0 18px 54px rgba(17,24,39,.05);
    }
    details{
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      padding: 12px 12px;
      margin: 10px 6px;
      box-shadow: 0 10px 26px rgba(17,24,39,.04);
      transition: transform .18s ease, border-color .18s ease;
    }
    details[open]{border-color: rgba(109,40,217,.26); transform: translateY(-1px)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      font-weight:900;
      color: rgba(17,24,39,.92);
      font-size: 14.5px;
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      flex:0 0 auto;
      display:flex; align-items:center; gap:10px;
      color: rgba(17,24,39,.62);
      font-weight:800;
      font-size: 13px;
    }
    .chev{
      width: 28px; height: 28px;
      border-radius: 12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq p{
      margin: 10px 0 0;
      color: rgba(17,24,39,.66);
      font-size: 14px;
      line-height: 1.75;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      align-items:stretch;
    }
    .comment{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 18px 54px rgba(17,24,39,.05);
      position:relative;
      overflow:hidden;
    }
    .comment::before{
      content:"";
      position:absolute;
      width: 140px; height: 140px;
      left: -70px; top: -70px;
      background: radial-gradient(circle at 30% 30%, rgba(239,68,68,.16), transparent 55%);
      pointer-events:none;
    }
    .comment .who{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
      position:relative;
    }
    .avatar{
      width: 42px; height: 42px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.16), rgba(239,68,68,.12), rgba(6,182,212,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(17,24,39,.86);
    }
    .who .role{
      display:flex; flex-direction:column; gap:4px;
    }
    .who .role strong{font-size:14px}
    .who .role span{font-size:12px; color: rgba(17,24,39,.64)}
    .stars-mini{
      color: rgba(245,158,11,.98);
      letter-spacing: 1px;
      font-weight:900;
      position:relative;
    }
    .comment .text{
      margin: 0;
      color: rgba(17,24,39,.66);
      font-size: 14px;
      line-height: 1.75;
      position:relative;
    }

    .media-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }
    .media-card{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 18px 54px rgba(17,24,39,.05);
    }
    .media-card h3{margin:0 0 8px; font-size:16px}
    .media-card p{margin:0; color: rgba(17,24,39,.66); line-height:1.75; font-size:14px}
    .media-assets{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 14px;
    }
    .asset{
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      overflow:hidden;
      background: rgba(255,255,255,.60);
    }
    .asset .frame{
      padding: 10px;
    }
    .asset img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 14px;
      object-fit:contain;
    }
    .asset .cap{
      padding: 10px 10px 12px;
      border-top:1px solid rgba(17,24,39,.08);
      color: rgba(17,24,39,.66);
      font-size: 13px;
      line-height:1.45;
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }
    .article-list{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 18px 54px rgba(17,24,39,.05);
    }
    .article-list h3{margin:0 0 8px; font-size:16px}
    .article-list p{margin:0 0 12px; color: rgba(17,24,39,.66); font-size:14px; line-height:1.7}
    .links{
      display:flex; flex-direction:column; gap:10px; margin-top: 10px;
    }
    .a-item{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .a-item:hover{transform: translateY(-2px); box-shadow: 0 22px 60px rgba(17,24,39,.08)}
    .a-item strong{font-size:14.5px}
    .a-item span{display:block; margin-top:6px; color: rgba(17,24,39,.62); font-size: 13px; line-height:1.45}
    .a-item .go{
      flex:0 0 auto;
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,255,255,.70);
    }

    .form-card{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 18px 54px rgba(17,24,39,.05);
    }
    .form-card h3{margin:0 0 6px; font-size:16px}
    .form-card p{margin:0 0 14px; color: rgba(17,24,39,.66); line-height:1.75; font-size:14px}
    form{display:grid; grid-template-columns: 1fr 1fr; gap: 12px}
    .field{display:flex; flex-direction:column; gap:8px}
    label{font-size:13px; color: rgba(17,24,39,.74); font-weight:800}
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.80);
      padding: 12px 12px;
      font-size:14px;
      color: rgba(17,24,39,.92);
      outline:none;
      transition: border-color .18s ease, box-shadow .18s ease;
    }
    textarea{min-height: 112px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(109,40,217,.35);
      box-shadow: 0 0 0 4px rgba(109,40,217,.12);
    }
    .field.full{grid-column: 1 / -1}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; align-items:center; justify-content:space-between; gap: 12px; flex-wrap:wrap;
      margin-top: 2px;
    }
    .fineprint{
      color: rgba(17,24,39,.60);
      font-size: 12.5px;
      line-height:1.5;
      max-width: 60ch;
    }
    .fineprint a{color: rgba(109,40,217,.92); text-decoration: underline}
    .success-toast{
      position: fixed;
      left: 50%;
      bottom: 22px;
      transform: translateX(-50%);
      background: rgba(17,24,39,.92);
      color:#fff;
      padding: 12px 14px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 22px 70px rgba(17,24,39,.22);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      z-index: 100;
      max-width: 92vw;
    }
    .success-toast.show{
      opacity:1;
      pointer-events:auto;
      transform: translateX(-50%) translateY(-6px);
    }

    .partner-row{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top: 10px;
    }
    .partner{
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      color: rgba(17,24,39,.74);
      font-size:13px;
      white-space:nowrap;
    }

    footer{
      padding: 18px 0 26px;
      background: linear-gradient(180deg, rgba(255,255,255,.20), rgba(255,255,255,.52));
      border-top: 1px solid rgba(17,24,39,.08);
      margin-top: 10px;
    }
    .footer-inner{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 14px; flex-wrap:wrap;
    }
    .footer-left{
      flex: 1 1 360px;
      min-width: 280px;
    }
    .footer-left .foot-brand{
      display:flex; align-items:center; gap:12px;
      margin-bottom: 10px;
    }
    .footer-left .foot-brand .mini-logo{
      width: 36px; height:36px; border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      padding: 6px;
    }
    .footer-left p{
      margin:0;
      color: rgba(17,24,39,.66);
      font-size: 13.5px;
      line-height:1.75;
      max-width: 70ch;
    }
    .footer-right{
      flex: 0 0 auto;
      min-width: 280px;
      display:flex; flex-direction:column; gap: 10px;
      align-items:flex-end;
    }
    .footer-links{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer-links a{
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      color: rgba(17,24,39,.74);
      font-size: 13px;
      transition: transform .18s ease;
    }
    .footer-links a:hover{transform: translateY(-2px)}
    .copy{
      color: rgba(17,24,39,.58);
      font-size: 12.5px;
      margin-top: 6px;
      text-align:right;
    }

    .float-kefu{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
    }
    .kefu-btn{
      display:flex; align-items:center; gap:10px;
      padding: 11px 12px;
      border-radius: 18px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 18px 60px rgba(17,24,39,.14);
      cursor:pointer;
      transition: transform .18s ease;
    }
    .kefu-btn:hover{transform: translateY(-2px)}
    .kefu-btn .badge{
      width: 38px; height: 38px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(109,40,217,.16), rgba(239,68,68,.14), rgba(6,182,212,.10));
      border:1px solid rgba(17,24,39,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
    }
    .kefu-btn .txt{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .kefu-btn .txt strong{font-size:14px}
    .kefu-btn .txt span{font-size:12px; color: rgba(17,24,39,.62); margin-top:6px}
    .kefu-panel{
      width: 320px;
      max-width: calc(100vw - 32px);
      background: rgba(255,255,255,.90);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: 22px;
      box-shadow: 0 28px 90px rgba(17,24,39,.18);
      overflow:hidden;
      display:none;
    }
    .kefu-panel.show{display:block; animation: pop .2s ease both}
    @keyframes pop{
      from{opacity:0; transform: translateY(6px) scale(.98)}
      to{opacity:1; transform: translateY(0) scale(1)}
    }
    .kefu-panel .head{
      padding: 12px 14px;
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(239,68,68,.10), rgba(6,182,212,.10));
      border-bottom: 1px solid rgba(17,24,39,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .kefu-panel .head strong{font-size:14px}
    .close-kefu{
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    .close-kefu:hover{transform: translateY(-2px)}
    .kefu-panel .body{
      padding: 14px;
      display:flex;
      gap: 12px;
      align-items:flex-start;
    }
    .qrcode{
      width: 96px; height:96px;
      border-radius: 20px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding: 8px;
      flex: 0 0 auto;
    }
    .qrcode img{width:100%; height:auto; display:block; border-radius: 14px; object-fit:contain}
    .kefu-panel .body .info{
      flex:1 1 auto;
      min-width: 0;
      display:flex; flex-direction:column; gap:8px;
    }
    .kefu-panel .body .info .line{
      color: rgba(17,24,39,.70);
      font-size: 13.5px;
      line-height:1.5;
    }
    .kefu-panel .body .info .links{
      margin-top: 2px;
      display:flex; flex-direction:column; gap:10px;
    }
    .mini-link{
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      font-size: 13.5px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color: rgba(17,24,39,.82);
      transition: transform .18s ease;
    }
    .mini-link:hover{transform: translateY(-2px)}
    .to-top{
      width: 44px; height:44px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 60px rgba(17,24,39,.14);
      cursor:pointer;
      display:none;
      align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    .to-top:hover{transform: translateY(-2px)}

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    .anchor{
      scroll-margin-top: 92px;
    }

    .token-row{
      display:flex; gap:12px; flex-wrap:wrap; margin-top: 10px;
    }
    .token-box{
      flex: 1 1 230px;
      padding: 12px 12px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
    }
    .token-box .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .token-box strong{font-size:14px}
    .token-box .hint{color: rgba(17,24,39,.62); font-size:12.5px; line-height:1.5; margin-top: 8px}
    .progress{
      margin-top: 10px;
      height: 10px;
      border-radius: 999px;
      background: rgba(17,24,39,.08);
      overflow:hidden;
      border:1px solid rgba(17,24,39,.08);
    }
    .progress > i{
      display:block; height:100%;
      width: 68%;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(109,40,217,.95), rgba(239,68,68,.92), rgba(6,182,212,.88));
    }

    .tagcloud{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      margin-top: 10px;
    }
    .tagcloud a{
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      color: rgba(17,24,39,.74);
      font-size: 13.5px;
      transition: transform .18s ease, background .18s ease;
    }
    .tagcloud a:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.85);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .steps{grid-template-columns: 1fr 1fr;}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .comments{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .media-grid{grid-template-columns: 1fr}
      form{grid-template-columns: 1fr}
      .field.full{grid-column:auto}
      .footer-right{align-items:flex-start}
      .copy{text-align:left}
      .nav-links{display:none}
      .nav-cta{display:none}
      .nav-toggle{display:inline-flex; align-items:center; justify-content:center}
      .mobile-menu{display:block}
    }