:root{
      --bg0:#ffffff;
      --bg1:#f7f7fb;
      --card:#ffffff;
      --text:#111827;
      --muted:#5b6678;
      --muted2:#7a879b;
      --border:rgba(17,24,39,.10);
      --shadow: 0 10px 26px rgba(14, 30, 60, .10);
      --shadow2: 0 8px 18px rgba(14, 30, 60, .10);
      --radius:18px;

      --gradA:#00b8ff;
      --gradB:#7c3aed;
      --gradC:#06d6a0;
      --gradD:#ffcc70;

      --accent:#1d4ed8;
      --accent2:#7c3aed;
      --success:#0ea5e9;

      --btn:#0f172a;
      --btnText:#ffffff;

      --focus: rgba(124, 58, 237, .35);
      --max: 1120px;
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 520px at 15% -10%, rgba(0,184,255,.22), transparent 60%),
        radial-gradient(900px 460px at 85% 0%, rgba(124,58,237,.18), transparent 60%),
        radial-gradient(900px 520px at 55% 35%, rgba(6,214,160,.12), transparent 62%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 58%, #ffffff 100%);
    }

    a{ color:inherit; text-decoration:none; }
    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 16px;
    }

    .skip{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:12px; width:auto; height:auto; padding:10px 12px;
      background:#0f172a; color:#fff; border-radius:12px; z-index:9999;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.66);
      border-bottom: 1px solid rgba(17,24,39,.08);
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 190px;
    }
    .ai-page-logo{
      display:block;
      width:auto;
      height:34px;
    }
    .brand-meta{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-name{
      font-weight:800;
      letter-spacing:.2px;
      font-size:14px;
      color:#0b1220;
    }
    .brand-sub{
      font-size:12px;
      color:var(--muted);
      margin-top:2px;
      white-space:nowrap;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      padding:10px 10px;
      border-radius:12px;
      color:var(--muted);
      font-size:13px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:#0b1220;
      background: rgba(255,255,255,.7);
      border-color: rgba(17,24,39,.10);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }

    .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,.7);
      color:#0b1220;
      font-weight:700;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(17,24,39,.10);
      border-color: rgba(124,58,237,.25);
      background: rgba(255,255,255,.92);
    }
    .btn:active{ transform: translateY(0px); }
    .btn:focus{ outline:none; box-shadow: 0 0 0 4px var(--focus); }

    .btn-primary{
      border:none;
      background: linear-gradient(135deg, rgba(0,184,255,1), rgba(124,58,237,1));
      color:#fff;
      box-shadow: 0 14px 30px rgba(124,58,237,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 44px rgba(124,58,237,.28);
    }

    .btn-ghost{
      background: rgba(255,255,255,.65);
    }

    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--gradA), var(--gradB));
      box-shadow: 0 8px 16px rgba(124,58,237,.25);
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.7);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease;
    }
    .mobile-toggle:hover{ transform: translateY(-1px); background: rgba(255,255,255,.92); }
    .burger{ width:18px; height:12px; position:relative; }
    .burger span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px;
      background:#0b1220; opacity:.85;
      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; }

    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(1){ top:5px; transform: rotate(45deg); }
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){ opacity:0; }
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){ top:5px; transform: rotate(-45deg); }

    .mobile-panel{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-panel.open{ display:block; }
    .mobile-panel .panel-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      padding-top:10px;
    }
    .mobile-panel a{
      display:flex; align-items:center; justify-content:center;
      padding:12px 10px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      color:#0b1220;
      font-weight:650;
      font-size:13px;
    }
    .mobile-panel .panel-cta{
      margin-top:12px;
      display:flex; gap:10px;
    }
    .mobile-panel .panel-cta .btn{ flex:1; }

    .hero{
      padding: 36px 0 18px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute; inset:-40px -120px auto -120px;
      height: 520px;
      background:
        radial-gradient(600px 240px at 15% 25%, rgba(0,184,255,.26), transparent 65%),
        radial-gradient(520px 250px at 65% 10%, rgba(124,58,237,.22), transparent 63%),
        radial-gradient(520px 250px at 85% 45%, rgba(6,214,160,.16), transparent 62%);
      filter:saturate(1.05);
      pointer-events:none;
    }

    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }

    .hero-left{
      padding: 18px 0 6px;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      color:#0b1220;
      font-weight:700;
      font-size:12px;
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .pulse{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--gradA), var(--gradB));
      box-shadow: 0 10px 20px rgba(124,58,237,.25);
      position:relative;
    }
    .pulse::after{
      content:"";
      position:absolute; inset:-10px;
      border-radius:50%;
      border: 2px solid rgba(124,58,237,.35);
      animation: ring 1.8s ease-in-out infinite;
    }
    @keyframes ring{
      0%{ transform: scale(.5); opacity:.0; }
      20%{ opacity:.55; }
      70%{ transform: scale(1); opacity:.0; }
      100%{ opacity:0; }
    }

    h1{
      margin:14px 0 10px;
      font-size: clamp(26px, 3.2vw, 42px);
      line-height:1.12;
      letter-spacing:-.6px;
    }
    .hero-sub{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      max-width: 62ch;
    }

    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:18px;
      align-items:center;
    }
    .mini-trust{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:18px;
      align-items:center;
    }
    .trust-pill{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      color:#0b1220;
      min-width: 180px;
    }
    .trust-ico{
      width:34px; height:34px; border-radius:12px;
      background: linear-gradient(135deg, rgba(0,184,255,.18), rgba(124,58,237,.18));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .trust-ico svg{ width:18px; height:18px; }
    .trust-text strong{ display:block; font-size:13px; }
    .trust-text span{ display:block; color:var(--muted); font-size:12px; margin-top:2px; line-height:1.4; }

    .hero-right{
      position:relative;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 22px 54px rgba(17,24,39,.10);
      overflow:hidden;
      padding:16px;
    }
    .hero-right::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(135deg, rgba(0,184,255,.32), transparent 42%),
        linear-gradient(315deg, rgba(124,58,237,.26), transparent 42%),
        linear-gradient(180deg, rgba(6,214,160,.12), transparent 70%);
      opacity:.7;
      pointer-events:none;
    }
    .hero-right .right-inner{ position:relative; }

    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }

    .metric{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      padding:12px;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      min-height: 92px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(124,58,237,.25);
    }
    .metric .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .metric .badge{
      display:inline-flex; align-items:center; gap:8px;
      font-size:12px;
      color:#0b1220;
      font-weight:800;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .metric .badge .spark{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, var(--gradC), var(--gradA));
      box-shadow: 0 12px 22px rgba(0,184,255,.25);
    }
    .metric .value{
      font-size:24px;
      font-weight:900;
      letter-spacing:-.4px;
      margin-top:6px;
    }
    .metric .hint{
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
      margin-top:4px;
    }

    .right-panel{
      margin-top:12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.6);
      padding:12px;
    }
    .right-panel h3{
      margin:0;
      font-size:13px;
      letter-spacing:.2px;
    }
    .chips{
      display:flex; flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      color:#0b1220;
      font-size:12px;
      font-weight:700;
      transition: transform .15s ease, border-color .15s ease;
    }
    .chip:hover{
      transform: translateY(-1px);
      border-color: rgba(124,58,237,.24);
    }

    main{ padding: 8px 0 30px; }

    .section{
      padding: 34px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
    }
    .section-title h2{
      margin:0;
      font-size: clamp(18px, 2.2vw, 26px);
      letter-spacing:-.3px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width: 56ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:14px;
    }

    .card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 28px rgba(17,24,39,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 52px rgba(17,24,39,.10);
      border-color: rgba(124,58,237,.22);
    }
    .card h3{
      margin:10px 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .feature-ico{
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(0,184,255,.16), rgba(124,58,237,.16));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .feature-ico svg{ width:20px; height:20px; }
    .row{
      display:flex; gap:12px; align-items:flex-start;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:14px;
    }
    .step{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      position:relative;
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(420px 160px at 15% 10%, rgba(0,184,255,.18), transparent 60%),
        radial-gradient(420px 160px at 90% 0%, rgba(124,58,237,.16), transparent 62%);
      opacity:.9;
      pointer-events:none;
    }
    .step .inner{ position:relative; }
    .step-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .step-num{
      width:40px; height:40px; border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      font-weight:950; letter-spacing:-.4px;
    }
    .step-tag{
      font-size:12px; font-weight:850; color:#0b1220;
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      white-space:nowrap;
    }
    .step h3{ margin:10px 0 6px; font-size:15px; }
    .step p{ margin:0; color:var(--muted); font-size:13px; line-height:1.7; }

    .compare{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      overflow:hidden;
      box-shadow: 0 12px 30px rgba(17,24,39,.06);
    }
    .compare-header{
      padding:16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background:
        radial-gradient(700px 240px at 20% 0%, rgba(0,184,255,.18), transparent 60%),
        radial-gradient(640px 240px at 90% 20%, rgba(124,58,237,.14), transparent 60%);
    }
    .score-wrap{
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .stars{
      display:flex;
      gap:4px;
    }
    .star{
      width:18px; height:18px;
      fill: rgba(124,58,237, .95);
      filter: drop-shadow(0 10px 18px rgba(124,58,237,.25));
    }
    .score{
      font-size:18px;
      font-weight:950;
      letter-spacing:-.3px;
    }
    .score small{
      color:var(--muted);
      font-weight:800;
      font-size:12px;
      margin-left:8px;
      letter-spacing:0;
    }

    .table-wrap{
      overflow:auto;
      -webkit-overflow-scrolling: touch;
      border-top:0;
    }
    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);
      text-align:left;
      vertical-align:middle;
      font-size:13px;
    }
    th{
      font-size:12px;
      color:var(--muted);
      font-weight:900;
      background: rgba(255,255,255,.7);
      position:sticky;
      top:0;
      z-index:1;
    }
    tr:last-child td{ border-bottom:none; }
    .feat-cell{ color:#0b1220; font-weight:800; width: 22%; }
    .val{
      display:flex; align-items:center; gap:10px;
      color:#0b1220;
      font-weight:800;
      white-space:nowrap;
    }
    .tick, .cross{
      width:18px; height:18px;
      border-radius:6px;
      display:inline-flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
    }
    .tick{
      border-color: rgba(16,185,129,.25);
      background: rgba(16,185,129,.12);
      color: rgb(16,185,129);
    }
    .cross{
      border-color: rgba(239,68,68,.25);
      background: rgba(239,68,68,.10);
      color: rgb(239,68,68);
    }

    .tag-row{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;
    }
    .tag{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      font-size:12px;
      font-weight:800;
      color:#0b1220;
    }
    .tag.grad{
      border-color: rgba(124,58,237,.18);
      background: linear-gradient(135deg, rgba(0,184,255,.18), rgba(124,58,237,.14));
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .case-left{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.64);
      box-shadow: 0 12px 30px rgba(17,24,39,.06);
      overflow:hidden;
      position:relative;
    }
    .case-left::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(720px 240px at 12% 15%, rgba(0,184,255,.18), transparent 62%),
        radial-gradient(620px 240px at 88% 0%, rgba(124,58,237,.16), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,.45));
      opacity:.9;
      pointer-events:none;
    }
    .case-left .inner{ position:relative; }
    .case-header{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      margin-bottom:12px;
    }
    .case-header h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .case-header .hint{
      margin:0;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
      max-width: 40ch;
    }

    .case-visuals{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:12px;
    }
    .poster{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.7);
      padding:10px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .poster:hover{
      transform: translateY(-2px);
      border-color: rgba(124,58,237,.22);
      box-shadow: 0 18px 42px rgba(17,24,39,.10);
    }
    .poster .img-box{
      border-radius:14px;
      overflow:hidden;
      background: linear-gradient(135deg, rgba(0,184,255,.10), rgba(124,58,237,.10));
      border:1px solid rgba(17,24,39,.08);
      aspect-ratio: 4/3;
      display:flex; align-items:center; justify-content:center;
      padding:10px;
    }
    .poster img{
      width:100%; height:100%;
      object-fit:cover;
      display:block;
    }
    .poster .meta{
      margin-top:10px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
    }
    .poster .meta strong{
      font-size:13px;
      line-height:1.3;
      letter-spacing:-.2px;
    }
    .poster .meta span{
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }

    .case-right{
      display:flex; flex-direction:column; gap:14px;
    }

    .list-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      padding:16px;
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
    }
    .list-card h3{
      margin:0 0 10px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article{
      padding:12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.74);
      transition: transform .16s ease, border-color .16s ease;
    }
    .article:hover{
      transform: translateY(-1px);
      border-color: rgba(124,58,237,.20);
    }
    .article a{
      display:flex; align-items:flex-start; justify-content:space-between;
      gap:12px;
    }
    .article .title{
      font-weight:900;
      font-size:13px;
      line-height:1.35;
      letter-spacing:-.2px;
      color:#0b1220;
    }
    .article .time{
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
      margin-top:2px;
      font-weight:800;
    }

    .form-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.64);
      padding:16px;
      box-shadow: 0 12px 30px rgba(17,24,39,.06);
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size:12px; color:var(--muted);
      font-weight:900;
      letter-spacing:.15px;
    }
    input, select, textarea{
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      padding:12px 12px;
      font-size:14px;
      background: rgba(255,255,255,.86);
      color:#0b1220;
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease;
    }
    textarea{ min-height:100px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(124,58,237,.35);
      box-shadow: 0 0 0 4px var(--focus);
    }

    .form-actions{
      margin-top:12px;
      display:flex; gap:12px; align-items:center; justify-content:space-between; flex-wrap:wrap;
    }
    .fineprint{
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      max-width: 56ch;
      font-weight:800;
    }

    .faq{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      overflow:hidden;
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
    }
    .faq-item{
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .faq-item:last-child{ border-bottom:none; }
    .faq-q{
      width:100%;
      text-align:left;
      padding:14px 16px;
      background: transparent;
      border:none;
      cursor:pointer;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      color:#0b1220;
    }
    .faq-q strong{
      font-size:14px;
      letter-spacing:-.2px;
      line-height:1.45;
    }
    .chev{
      flex:0 0 auto;
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
      margin-top:2px;
    }
    .faq-item[data-open="true"] .chev{ transform: rotate(180deg); }

    .faq-a{
      padding:0 16px 14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      max-width: 92ch;
      display:none;
    }
    .faq-item[data-open="true"] .faq-a{ display:block; }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 190px;
    }
    .review:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(17,24,39,.10);
      border-color: rgba(124,58,237,.22);
    }
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(18px 18px at 30% 35%, rgba(255,204,112,.55), transparent 60%),
        radial-gradient(20px 20px at 75% 20%, rgba(0,184,255,.30), transparent 60%),
        linear-gradient(135deg, rgba(124,58,237,.16), rgba(6,214,160,.14));
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#0b1220;
    }
    .review-role{
      font-size:12px;
      color:var(--muted);
      font-weight:900;
      white-space:nowrap;
    }
    .review p{
      margin:0;
      color:#0b1220;
      font-size:13px;
      line-height:1.85;
      font-weight:750;
    }
    .review .sig{
      margin-top:auto;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      color:var(--muted);
      font-size:12px;
      font-weight:900;
    }

    .timeline{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      padding:16px;
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
    }
    .timeline-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .t-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,.74);
    }
    .t-dot{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(0,184,255,.18), rgba(124,58,237,.16));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .t-item h3{
      margin:0;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .t-item p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      font-weight:700;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .network .map-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      overflow:hidden;
      position:relative;
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
      padding:16px;
      min-height: 260px;
    }
    .map-card::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(600px 240px at 20% 10%, rgba(0,184,255,.18), transparent 60%),
        radial-gradient(520px 240px at 90% 30%, rgba(124,58,237,.16), transparent 62%),
        radial-gradient(460px 240px at 50% 70%, rgba(6,214,160,.12), transparent 60%);
      pointer-events:none;
    }
    .map-inner{ position:relative; }
    .map-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .map-title h3{ margin:0; font-size:15px; }
    .status-pill{
      display:inline-flex; align-items:center; gap:10px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      font-size:12px;
      font-weight:900;
      color:#0b1220;
      white-space:nowrap;
    }
    .status-pill i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--gradC), var(--gradA));
      display:inline-block;
      box-shadow: 0 12px 22px rgba(0,184,255,.25);
    }

    .map-nodes{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:flex-start;
    }
    .node{
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      font-weight:900;
      font-size:13px;
      color:#0b1220;
      display:flex; align-items:center; gap:10px;
      transition: transform .16s ease, border-color .16s ease;
    }
    .node:hover{
      transform: translateY(-2px);
      border-color: rgba(124,58,237,.22);
    }
    .node b{
      font-size:12px; color:var(--muted);
      font-weight:950;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .node .dot{
      width:12px; height:12px; border-radius:4px;
      background: linear-gradient(135deg, rgba(0,184,255,.75), rgba(124,58,237,.75));
      box-shadow: 0 12px 22px rgba(124,58,237,.22);
    }

    .price-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
    }
    .price-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
    }
    .price-head h3{
      margin:0; font-size:15px; letter-spacing:-.2px;
    }
    .price-head p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      font-weight:750;
      max-width: 48ch;
    }
    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .price-box{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      padding:12px;
      transition: transform .16s ease, border-color .16s ease;
      min-height: 110px;
      display:flex; flex-direction:column; justify-content:space-between;
      gap:10px;
    }
    .price-box:hover{
      transform: translateY(-2px);
      border-color: rgba(124,58,237,.22);
    }
    .price-box .t{
      color:var(--muted);
      font-size:12px;
      font-weight:950;
    }
    .price-box .v{
      font-size:20px;
      font-weight:1000;
      letter-spacing:-.35px;
    }
    .price-box .s{
      color:var(--muted);
      font-size:12px;
      font-weight:850;
      line-height:1.55;
    }

    .tagcloud{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      padding:16px;
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
    }
    .tagcloud h3{ margin:0 0 10px; font-size:15px; }
    .tagcloud .cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tagcloud .cloud a{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      font-size:12px;
      color:#0b1220;
      font-weight:900;
      transition: transform .16s ease, border-color .16s ease;
    }
    .tagcloud .cloud a:hover{
      transform: translateY(-2px);
      border-color: rgba(124,58,237,.22);
    }

    .footer{
      background: #0b1220;
      color: rgba(255,255,255,.92);
      padding:26px 0 14px;
      border-top: 1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:16px;
      align-items:start;
    }
    .footer .foot-card{
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.06);
      border-radius: var(--radius);
      padding:16px;
    }
    .footer h3{
      margin:0 0 10px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .footer p{
      margin:0;
      color: rgba(255,255,255,.78);
      font-size:13px;
      line-height:1.8;
      font-weight:750;
    }
    .footer-links{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .footer-links a{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color: rgba(255,255,255,.92);
      font-size:12px;
      font-weight:900;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.10);
      border-color: rgba(124,58,237,.35);
    }
    .foot-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .wechat-row{
      display:flex; gap:12px; align-items:center;
    }
    .qrcode{
      width:104px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      padding:8px;
    }
    .qrcode img{
      width:100%;
      height:auto;
      display:block;
      border-radius:14px;
    }
    .contact-line{
      display:flex; flex-direction:column; gap:6px;
    }
    .contact-line strong{
      font-size:13px; letter-spacing:-.2px;
    }
    .contact-line a{
      color: rgba(255,255,255,.86);
      font-weight:900;
      font-size:13px;
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .contact-line a:hover{
      transform: translateY(-2px);
      border-color: rgba(0,184,255,.35);
      background: rgba(255,255,255,.10);
    }
    .copyright{
      margin-top:14px;
      padding-top:14px;
      border-top: 1px solid rgba(255,255,255,.10);
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color: rgba(255,255,255,.72);
      font-size:12px;
      font-weight:850;
    }

    .float-cs{
      position:fixed;
      right:14px; bottom:14px;
      z-index:80;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .float-cs .pill{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 36px rgba(17,24,39,.12);
      transition: transform .15s ease, opacity .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .float-cs .pill:hover{ transform: translateY(-2px); }
    .float-cs .pill .b{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(0,184,255,.22), rgba(124,58,237,.22));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
    }
    .float-cs .pill span{
      font-weight:950;
      font-size:13px;
      color:#0b1220;
      white-space:nowrap;
    }
    .float-cs .pill .sub{
      color:var(--muted);
      font-weight:850;
      font-size:12px;
    }
    .float-cs .pill .col{
      display:flex; flex-direction:column; line-height:1.1;
    }

    .float-cs .toTop{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 36px rgba(17,24,39,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .float-cs .toTop:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(17,24,39,.14);
    }

    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0px);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-right{ padding:14px; }
      .steps{ grid-template-columns: repeat(2, 1fr); }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .network{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      .form-grid{ grid-template-columns: 1fr; }
      .data-grid{ grid-template-columns: 1fr 1fr; }
      table{ min-width: 760px; }
    }

    @media (max-width: 820px){
      .nav-links{ display:none; }
      .nav-cta{ display:none; }
      .mobile-toggle{ display:flex; }
      .mobile-panel{ display:none; }
      .hero{ padding-top: 26px; }
      .trust-pill{ min-width: unset; flex: 1 1 auto; }
      .steps{ grid-template-columns: 1fr; }
      .data-grid{ grid-template-columns: 1fr 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .case-visuals{ grid-template-columns: 1fr; }
      .case-right{ gap:12px; }
      .float-cs .pill span{ display:none; }
      .float-cs .pill .sub{ display:none; }
    }