:root{
      --bg0:#fbfaf8;
      --bg1:#f4f6ff;
      --card:#ffffff;
      --text:#101828;
      --muted:#475467;
      --muted2:#667085;
      --line:rgba(16,24,40,.10);
      --shadow:0 18px 40px rgba(16,24,40,.08);
      --shadow2:0 10px 24px rgba(16,24,40,.10);
      --radius:18px;

      --brand1:#2563eb;
      --brand2:#7c3aed;
      --brand3:#f97316;
      --brand4:#06b6d4;

      --primary:#2f6cf6;
      --primary2:#6d28d9;
      --success:#059669;
      --warn:#d97706;
      --danger:#dc2626;

      --focus: rgba(47,108,246,.20);
      --container:1120px;
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 600px at 10% -10%, rgba(124,58,237,.10), transparent 60%),
        radial-gradient(900px 500px at 90% 0%, rgba(37,99,235,.12), transparent 55%),
        radial-gradient(700px 420px at 60% 20%, rgba(6,182,212,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 55%, #fbfaf8 100%);
      overflow-x:hidden;
    }

    a{ color:inherit; text-decoration:none; }
    a:hover{ text-decoration:none; }

    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }

    .skip-link{
      position:absolute; left:-999px; top:10px;
      padding:10px 14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:12px;
      box-shadow:var(--shadow2);
      z-index:9999;
    }
    .skip-link:focus{ left:14px; outline:none; box-shadow:0 0 0 4px var(--focus), var(--shadow2); }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(1.2) blur(10px);
      background: rgba(251,250,248,.72);
      border-bottom:1px solid rgba(16,24,40,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:12px;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width: 220px;
    }
    .ai-page-logo{
      width:36px; height:auto; border-radius:10px;
      background:#fff;
      box-shadow:0 10px 24px rgba(16,24,40,.12);
    }
    .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{
      display:flex; align-items:center; gap:10px;
    }
    .nav-links{
      display:flex; align-items:center; gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      padding:9px 10px;
      border-radius:12px;
      font-size:13px;
      color:var(--muted);
      border:1px solid transparent;
      transition: transform .15s ease, border-color .15s ease, background .15s ease, color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--text);
      border-color: rgba(47,108,246,.25);
      background: rgba(47,108,246,.06);
      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 transparent;
      background:#fff;
      color:var(--text);
      font-weight:700;
      font-size:14px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{ outline:none; box-shadow:0 0 0 4px var(--focus), var(--shadow2); }
    .btn:hover{ transform: translateY(-1px); }
    .btn-primary{
      background: linear-gradient(135deg, rgba(47,108,246,1), rgba(109,40,217,1));
      color:#fff;
      box-shadow:0 18px 36px rgba(47,108,246,.22);
    }
    .btn-ghost{
      background: rgba(255,255,255,.7);
      border-color: rgba(16,24,40,.10);
      color:var(--text);
    }
    .btn-ghost:hover{
      border-color: rgba(47,108,246,.22);
      background: rgba(255,255,255,1);
    }

    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.2) 30%), linear-gradient(135deg, var(--brand3), var(--brand2));
      box-shadow:0 8px 20px rgba(124,58,237,.25);
      flex:0 0 auto;
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .mobile-toggle:hover{ transform: translateY(-1px); border-color: rgba(47,108,246,.22); background:#fff; }
    .mobile-toggle:focus{ outline:none; box-shadow:0 0 0 4px var(--focus); }
    .burger{
      width:18px; height:12px; margin:0 auto; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:999px;
      background: linear-gradient(90deg, rgba(47,108,246,1), rgba(124,58,237,1));
      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:10px 0 16px;
    }
    .mobile-panel .row{
      display:flex; flex-direction:column; gap:10px;
      border-top:1px solid rgba(16,24,40,.08);
      padding-top:12px;
    }
    .mobile-panel a{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.7);
      color:var(--text);
      font-weight:650;
      font-size:14px;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .mobile-panel a:hover{ transform: translateY(-1px); border-color: rgba(47,108,246,.25); background:#fff; }
    .mobile-panel .cta{
      display:flex; gap:10px; flex-wrap:wrap;
    }

    .hero{
      padding:30px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .hero-card{
      border-radius: var(--radius);
      background:
        radial-gradient(900px 420px at 15% 0%, rgba(47,108,246,.22), transparent 58%),
        radial-gradient(700px 350px at 85% 18%, rgba(124,58,237,.20), transparent 55%),
        radial-gradient(520px 260px at 30% 55%, rgba(6,182,212,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.78));
      border:1px solid rgba(16,24,40,.08);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-inner{
      padding:26px 24px 20px;
      position:relative;
      z-index:2;
    }

    .badge-row{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-bottom:14px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:10px;
      padding:9px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(16,24,40,.10);
      color:var(--muted);
      font-size:13px; font-weight:650;
    }
    .badge .spark{
      width:18px; height:18px; border-radius:6px;
      background: linear-gradient(135deg, rgba(249,115,22,1), rgba(124,58,237,1));
      box-shadow:0 12px 24px rgba(124,58,237,.25);
      position:relative;
    }
    .badge .spark:before{
      content:"";
      position:absolute; inset:4px;
      border-radius:4px;
      border:1px solid rgba(255,255,255,.7);
      opacity:.75;
    }

    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.8px;
      line-height:1.15;
    }
    .lead{
      margin:12px 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 58ch;
    }

    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin:16px 0 18px;
      align-items:center;
    }
    .meta-row{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:10px;
      padding-top:14px;
      border-top:1px dashed rgba(16,24,40,.12);
    }
    .meta-item{
      display:flex; flex-direction:column; gap:6px;
      min-width: 140px;
    }
    .meta-item b{
      font-size:14px;
      letter-spacing:.2px;
    }
    .meta-item span{
      color:var(--muted2);
      font-size:13px;
      line-height:1.4;
    }

    .hero-visual{
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.86));
      border:1px solid rgba(16,24,40,.08);
      box-shadow: 0 14px 30px rgba(16,24,40,.06);
      overflow:hidden;
      position:relative;
    }
    .hero-visual:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(800px 400px at 20% 0%, rgba(37,99,235,.18), transparent 60%),
        radial-gradient(700px 340px at 80% 20%, rgba(124,58,237,.20), transparent 60%),
        radial-gradient(520px 260px at 40% 60%, rgba(6,182,212,.15), transparent 60%);
      pointer-events:none;
    }
    .visual-inner{
      position:relative; z-index:2;
      padding:18px 16px 16px;
    }
    .mini-title{
      display:flex; align-items:center; justify-content:space-between;
      gap:10px; margin-bottom:12px;
    }
    .mini-title h2{
      margin:0;
      font-size:15px;
      letter-spacing:.2px;
      color:var(--text);
    }
    .pill{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.7);
      color:var(--muted);
      font-size:12px;
      font-weight:650;
      white-space:nowrap;
    }

    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .data-card{
      background: rgba(255,255,255,.86);
      border:1px solid rgba(16,24,40,.10);
      border-radius:16px;
      padding:12px 12px 10px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor:default;
      min-height: 86px;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(16,24,40,.10);
      border-color: rgba(47,108,246,.25);
    }
    .data-card .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .kpi{
      font-size:20px;
      font-weight:900;
      letter-spacing:-.6px;
      margin-top:8px;
    }
    .kpi-desc{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.35;
      margin-top:6px;
    }
    .tag-line{
      margin-top:10px;
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .tiny-tag{
      font-size:12px;
      color:var(--muted);
      background: rgba(47,108,246,.08);
      border:1px solid rgba(47,108,246,.18);
      padding:7px 9px;
      border-radius:999px;
      font-weight:650;
    }

    .section{
      padding:34px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:16px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width: 52ch;
    }
    .subtle{
      color:var(--muted2);
      font-size:13px;
      margin-top:6px;
    }

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

    .card{
      background: rgba(255,255,255,.86);
      border:1px solid rgba(16,24,40,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(16,24,40,.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 20px 44px rgba(16,24,40,.09);
      border-color: rgba(47,108,246,.22);
    }
    .card .title{
      display:flex; align-items:center; gap:10px;
      margin-bottom:10px;
    }
    .glyph{
      width:40px; height:40px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(37,99,235,.14), rgba(124,58,237,.12));
      border:1px solid rgba(47,108,246,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      position:relative;
    }
    .glyph svg{ width:20px; height:20px; }
    .card h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .bullets{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      color:var(--muted);
      font-size:13.5px; line-height:1.6;
    }
    .check{
      width:18px; height:18px; border-radius:6px;
      background: rgba(5,150,105,.10);
      border:1px solid rgba(5,150,105,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .check:before{
      content:"";
      width:8px; height:4px;
      border-left:2px solid rgba(5,150,105,1);
      border-bottom:2px solid rgba(5,150,105,1);
      transform: rotate(-45deg);
      margin-top:-1px;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      background: rgba(255,255,255,.86);
      border:1px solid rgba(16,24,40,.10);
      border-radius: var(--radius);
      padding:14px 14px 12px;
      position:relative;
      overflow:hidden;
    }
    .step:after{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(520px 160px at 0% 0%, rgba(47,108,246,.12), transparent 55%),
        radial-gradient(420px 160px at 100% 20%, rgba(124,58,237,.10), transparent 55%);
      pointer-events:none;
    }
    .step > *{ position:relative; z-index:2; }
    .step-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:8px;
    }
    .step-num{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(47,108,246,.10);
      border:1px solid rgba(47,108,246,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: var(--primary2);
    }
    .step h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .step p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.7;
    }
    .step .arrow{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      display:flex; align-items:center; justify-content:center;
      color:var(--muted);
      flex:0 0 auto;
    }
    .arrow:before{
      content:"";
      width:10px; height:10px;
      border-right:2px solid rgba(71,84,103,.9);
      border-bottom:2px solid rgba(71,84,103,.9);
      transform: rotate(-45deg);
      margin-left:-2px;
    }

    .comparison{
      overflow:auto;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 12px 26px rgba(16,24,40,.05);
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width: 820px;
    }
    th, td{
      padding:14px 14px;
      border-bottom:1px solid rgba(16,24,40,.08);
      vertical-align:top;
    }
    th{
      background: linear-gradient(180deg, rgba(47,108,246,.08), rgba(255,255,255,.0));
      color:var(--text);
      font-size:13.5px;
      text-align:left;
      font-weight:900;
      letter-spacing:.1px;
    }
    td{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.65;
    }
    tr:last-child td{ border-bottom:none; }
    .best{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(5,150,105,.22);
      background: rgba(5,150,105,.08);
      color: rgba(5,150,105,1);
      font-weight:900;
      white-space:nowrap;
      font-size:13px;
    }

    .score-banner{
      display:flex; gap:14px; align-items:stretch; justify-content:space-between;
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(680px 240px at 15% 0%, rgba(47,108,246,.14), transparent 60%),
        radial-gradient(520px 220px at 80% 30%, rgba(249,115,22,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.76));
      box-shadow: 0 14px 30px rgba(16,24,40,.06);
      margin-top:14px;
    }
    .score-left{
      display:flex; gap:14px; align-items:flex-start;
      flex-wrap:wrap;
    }
    .star-wrap{
      width:64px; height:64px;
      border-radius:22px;
      background: linear-gradient(135deg, rgba(245,158,11,.16), rgba(124,58,237,.12));
      border:1px solid rgba(217,119,6,.25);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .star-wrap svg{ width:28px; height:28px; }
    .score-left h3{
      margin:0;
      font-size:16px; letter-spacing:-.2px;
    }
    .score-left p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13.5px; line-height:1.7;
      max-width: 62ch;
    }
    .score-right{
      display:flex; flex-direction:column; align-items:flex-end; justify-content:space-between; gap:10px;
      min-width: 160px;
    }
    .score-right .big{
      font-size:30px;
      font-weight:1000;
      letter-spacing:-.8px;
    }
    .score-right .mut{
      color:var(--muted2);
      font-size:13px;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .cloud-tag{
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.82);
      color:var(--muted);
      font-weight:750;
      font-size:13.2px;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .cloud-tag:hover{
      transform: translateY(-2px);
      border-color: rgba(47,108,246,.22);
      background: #fff;
    }

    .list-cards{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .simple-list{
      display:flex; flex-direction:column; gap:10px;
      margin-top:12px;
    }
    .simple-list a{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
      color:var(--text);
      font-weight:800;
      font-size:14px;
    }
    .simple-list a:hover{
      transform: translateY(-2px);
      border-color: rgba(47,108,246,.24);
      box-shadow: 0 16px 34px rgba(16,24,40,.09);
    }
    .simple-list a span{
      font-weight:750;
      color:var(--muted);
      font-size:13px;
    }
    .chev{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background: #fff;
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:var(--muted);
    }
    .chev:before{
      content:"";
      width:9px; height:9px;
      border-right:2px solid rgba(71,84,103,.9);
      border-bottom:2px solid rgba(71,84,103,.9);
      transform: rotate(-45deg);
      margin-left:-2px;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .faq-item{
      background: rgba(255,255,255,.86);
      border:1px solid rgba(16,24,40,.10);
      border-radius: var(--radius);
      overflow:hidden;
      transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    }
    .faq-item:hover{
      border-color: rgba(47,108,246,.22);
      box-shadow: 0 18px 40px rgba(16,24,40,.08);
      transform: translateY(-1px);
    }
    .faq-q{
      width:100%;
      text-align:left;
      border:none;
      background:transparent;
      padding:14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      cursor:pointer;
    }
    .faq-q:focus{ outline:none; box-shadow: inset 0 0 0 3px var(--focus); }
    .faq-q b{
      font-size:14.5px;
      letter-spacing:-.2px;
      line-height:1.5;
    }
    .faq-icon{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      flex:0 0 auto;
      position:relative;
      margin-top:2px;
    }
    .faq-icon:before, .faq-icon:after{
      content:"";
      position:absolute;
      left:50%; top:50%;
      width:12px; height:2px;
      background: rgba(71,84,103,.9);
      transform: translate(-50%,-50%);
      border-radius:2px;
      transition: transform .18s ease, opacity .18s ease;
    }
    .faq-icon:after{
      width:2px; height:12px;
    }
    .faq-item[data-open="true"] .faq-icon:after{
      transform: translate(-50%,-50%) rotate(90deg);
      opacity:0;
    }
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition: max-height .25s ease;
    }
    .faq-item[data-open="true"] .faq-a{
      max-height: 240px;
    }
    .faq-a p{
      margin:0;
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13.6px;
      line-height:1.75;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 22px rgba(16,24,40,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .review:before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(520px 200px at 0% 0%, rgba(249,115,22,.10), transparent 60%),
        radial-gradient(480px 200px at 100% 25%, rgba(47,108,246,.12), transparent 60%);
      pointer-events:none;
    }
    .review > *{ position:relative; z-index:2; }
    .review:hover{
      transform: translateY(-2px);
      border-color: rgba(47,108,246,.22);
      box-shadow: 0 20px 44px rgba(16,24,40,.09);
    }
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color: rgba(109,40,217,1);
      letter-spacing:-.4px;
      flex:0 0 auto;
    }
    .review .who{
      display:flex; align-items:center; gap:12px;
      min-width:0;
    }
    .who b{
      display:block;
      font-size:14.5px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 18ch;
    }
    .who span{
      display:block;
      font-size:12.5px;
      color:var(--muted2);
      margin-top:4px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 20ch;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
      color: rgba(217,119,6,1);
      font-weight:1000;
      font-size:12px;
      white-space:nowrap;
    }
    .review p{
      margin:0;
      color:var(--muted);
      font-size:13.6px;
      line-height:1.75;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .timeline-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .timeline-item:hover{
      transform: translateY(-2px);
      border-color: rgba(47,108,246,.22);
      box-shadow: 0 18px 40px rgba(16,24,40,.08);
    }
    .time-badge{
      width:44px; height:44px;
      border-radius:16px;
      background: rgba(47,108,246,.10);
      border:1px solid rgba(47,108,246,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color: var(--primary2);
      flex:0 0 auto;
    }
    .timeline-item h3{
      margin:0;
      font-size:14.8px;
      letter-spacing:-.2px;
    }
    .timeline-item p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .case-card{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      overflow:hidden;
      position:relative;
    }
    .case-card:hover{
      transform: translateY(-2px);
      border-color: rgba(47,108,246,.22);
      box-shadow: 0 22px 48px rgba(16,24,40,.10);
    }
    .case-card:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(620px 240px at 10% 0%, rgba(6,182,212,.12), transparent 60%),
        radial-gradient(520px 220px at 95% 30%, rgba(124,58,237,.12), transparent 60%);
      pointer-events:none;
    }
    .case-card > *{ position:relative; z-index:2; }
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .case-card h3{
      margin:0;
      font-size:15.3px;
      letter-spacing:-.3px;
    }
    .case-card .meta{
      display:flex; gap:8px; flex-wrap:wrap;
      margin-top:10px;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      color:var(--muted);
      font-weight:750;
      font-size:12.5px;
      white-space:nowrap;
    }
    .case-card p{
      margin:0;
      color:var(--muted);
      font-size:13.6px;
      line-height:1.75;
    }

    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article{
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      border-color: rgba(47,108,246,.22);
      box-shadow: 0 18px 40px rgba(16,24,40,.08);
    }
    .article-left{
      display:flex; flex-direction:column; gap:6px;
      min-width:0;
    }
    .article-left b{
      font-size:14.8px;
      letter-spacing:-.2px;
      line-height:1.4;
      max-width: 50ch;
    }
    .article-left span{
      color:var(--muted2);
      font-size:12.8px;
      line-height:1.5;
    }
    .article-right{
      display:flex; flex-direction:column; align-items:flex-end; gap:8px;
      flex:0 0 auto;
    }
    .article-right .time{
      color:var(--muted2);
      font-size:12.5px;
      white-space:nowrap;
    }

    .form-card{
      padding:18px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(700px 260px at 5% 0%, rgba(47,108,246,.14), transparent 60%),
        radial-gradient(560px 240px at 95% 10%, rgba(249,115,22,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.80));
      box-shadow: 0 18px 40px rgba(16,24,40,.07);
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
      min-width:0;
    }
    label{
      font-weight:800;
      font-size:13px;
      color:var(--text);
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.9);
      color:var(--text);
      font-size:14px;
      transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{ min-height: 110px; resize:vertical; }
    input:focus, select:focus, textarea:focus{
      outline:none;
      box-shadow:0 0 0 4px var(--focus);
      border-color: rgba(47,108,246,.35);
      background:#fff;
    }
    .span-2{ grid-column: 1 / -1; }
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap:12px; align-items:center; flex-wrap:wrap; justify-content:space-between;
      margin-top:2px;
    }
    .hint{
      color:var(--muted2);
      font-size:12.8px;
      line-height:1.5;
      max-width: 54ch;
    }
    .toast{
      position:fixed;
      left:50%;
      bottom:18px;
      transform: translateX(-50%);
      background: rgba(16,24,40,.92);
      color:#fff;
      padding:12px 14px;
      border-radius:16px;
      box-shadow: 0 20px 60px rgba(0,0,0,.25);
      z-index:200;
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      font-size:13.5px;
      letter-spacing:.1px;
      display:flex; align-items:center; gap:10px;
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(-6px);
    }
    .toast .t-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, rgba(47,108,246,1), rgba(124,58,237,1));
    }

    footer{
      padding:26px 0 34px;
      border-top:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(900px 320px at 10% 0%, rgba(47,108,246,.10), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(251,250,248,1));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:16px;
      align-items:start;
    }
    .footer-left{
      display:flex; flex-direction:column; gap:10px;
    }
    .footer-left .f-title{
      display:flex; align-items:center; gap:10px;
    }
    .footer-left p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:13.5px;
      max-width: 70ch;
    }
    .footer-right{
      display:flex; flex-direction:column; gap:12px; align-items:flex-end;
    }
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px; justify-content:flex-end;
    }
    .footer-links a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      color:var(--text);
      font-size:13.2px;
      font-weight:800;
      transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(47,108,246,.22);
      box-shadow: 0 16px 34px rgba(16,24,40,.08);
    }
    .copyright{
      margin-top:6px;
      color:var(--muted2);
      font-size:12.6px;
      line-height:1.6;
      width:100%;
      text-align:right;
    }

    .float-kefu{
      position:fixed;
      right:14px;
      bottom:16px;
      z-index:120;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-kefu .btn{
      pointer-events:auto;
    }
    .kefu-panel{
      width: 220px;
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.90);
      box-shadow: 0 20px 60px rgba(16,24,40,.18);
      overflow:hidden;
      transform-origin: 100% 100%;
      transform: scale(.98);
      opacity:0;
      transition: opacity .18s ease, transform .18s ease;
      pointer-events:none;
    }
    .kefu-panel.show{
      opacity:1;
      transform: scale(1);
      pointer-events:auto;
    }
    .kefu-head{
      padding:12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom:1px solid rgba(16,24,40,.08);
      background: linear-gradient(135deg, rgba(47,108,246,.10), rgba(124,58,237,.08));
    }
    .kefu-head b{ font-size:13.5px; letter-spacing:-.2px; }
    .kefu-close{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, border-color .15s ease;
    }
    .kefu-close:hover{ transform: translateY(-1px); border-color: rgba(47,108,246,.22); }
    .kefu-close:before, .kefu-close:after{
      content:"";
      width:14px; height:2px;
      background: rgba(71,84,103,.9);
      border-radius:2px;
      position:absolute;
      transform: rotate(45deg);
    }
    .kefu-close{ position:relative; }
    .kefu-close:after{ transform: rotate(-45deg); }
    .kefu-body{
      padding:12px;
      display:flex; flex-direction:column; gap:10px; align-items:flex-start;
    }
    .qr{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      overflow:hidden;
      background:#fff;
    }
    .qr img{
      width:100%; height:auto; display:block;
    }
    .kefu-body .small{
      color:var(--muted2);
      font-size:12.6px; line-height:1.6;
    }

    .to-top{
      position:fixed;
      left:14px;
      bottom:16px;
      z-index:110;
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 16px 34px rgba(16,24,40,.10);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, opacity .2s ease;
      opacity:0;
      pointer-events:none;
    }
    .to-top.show{
      opacity:1;
      pointer-events:auto;
    }
    .to-top:hover{ transform: translateY(-2px); }
    .to-top:before{
      content:"";
      width:10px; height:10px;
      border-left:2px solid rgba(71,84,103,.9);
      border-top:2px solid rgba(71,84,103,.9);
      transform: rotate(45deg);
      margin-top:3px;
    }

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

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr 1fr; }
      .list-cards{ grid-template-columns: 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .faq{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      .footer-right{ align-items:flex-start; }
      .copyright{ text-align:left; }
      .to-top{ left:12px; }
      .float-kefu{ right:12px; }
      form{ grid-template-columns: 1fr; }
      .span-2{ grid-column: 1 / -1; }
      table{ min-width: 720px; }
    }

    @media (max-width: 860px){
      .nav-links{ display:none; }
      .mobile-toggle{ display:block; }
      .mobile-panel{ display:block; }
      .brand{ min-width: 0; }
      header{ position:sticky; }
      .nav-cta .btn-ghost{ display:none; }
    }