:root{
      --bg0:#f7f6f3;
      --bg1:#ffffff;
      --ink:#111827;
      --muted:#5b6475;
      --muted2:#7b8598;
      --line:rgba(15,23,42,.12);
      --card:#ffffff;
      --shadow: 0 14px 40px rgba(17,24,39,.08);
      --shadow2: 0 10px 26px rgba(17,24,39,.10);
      --accent:#ff4d6d;
      --accent2:#7c3aed;
      --accent3:#2563eb;
      --good:#16a34a;
      --warn:#f59e0b;
      --radius:18px;
      --radius2:26px;
      --container: 1120px;
      --pad: 20px;
      --focus: 0 0 0 4px rgba(37,99,235,.18);
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC", Arial, "Noto Sans", sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 680px at 15% -10%, rgba(255,77,109,.20), transparent 55%),
        radial-gradient(900px 560px at 85% 0%, rgba(124,58,237,.18), transparent 52%),
        radial-gradient(1100px 720px at 70% 120%, rgba(37,99,235,.10), transparent 55%),
        linear-gradient(180deg, #faf9f6 0%, var(--bg0) 42%, #ffffff 100%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(10px);
      background: rgba(247,246,243,.72);
      border-bottom: 1px solid rgba(15,23,42,.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: 210px;
    }
    .ai-page-logo{
      width:34px;
      height:34px;
      border-radius:12px;
      object-fit:contain;
      background: rgba(255,255,255,.8);
      border:1px solid rgba(15,23,42,.10);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .brand-name{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-name strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-name span{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
      white-space:nowrap;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      justify-content:flex-end;
      min-width: 240px;
    }
    .menu-btn{
      display:none;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.75);
      padding:10px 12px;
      border-radius:14px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    .menu-btn:focus{outline:none; box-shadow: var(--focus)}
    .menu-btn:hover{transform: translateY(-1px); box-shadow: 0 10px 22px rgba(17,24,39,.10); border-color: rgba(15,23,42,.18)}
    .menu-btn svg{display:block}
    nav .nav-links{
      display:flex;
      align-items:center;
      gap:14px;
      padding:0;
      margin:0;
      list-style:none;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      text-decoration:none;
      font-size:13px;
      color: rgba(17,24,39,.82);
      padding:8px 10px;
      border-radius:999px;
      border: 1px solid transparent;
      transition: background .15s ease, border-color .15s ease, transform .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,255,255,.75);
      border-color: rgba(15,23,42,.10);
      transform: translateY(-1px);
    }
    .cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:999px;
      text-decoration:none;
      font-weight:650;
      font-size:13px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.85);
      box-shadow: 0 12px 28px rgba(17,24,39,.08);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .cta:hover{transform: translateY(-1px); box-shadow: 0 16px 38px rgba(17,24,39,.12); background: #fff}
    .cta .dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff 0%, rgba(255,255,255,.6) 20%, transparent 35%), linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 0 0 4px rgba(255,77,109,.15);
    }
    .mobile-panel{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-panel-inner{
      border:1px solid rgba(15,23,42,.10);
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 52px rgba(17,24,39,.12);
      padding:12px;
    }
    .mobile-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-links a{
      text-decoration:none;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.65);
      border-radius:14px;
      padding:10px 10px;
      font-size:13px;
      color: rgba(17,24,39,.84);
      display:flex;
      align-items:center;
      justify-content:center;
      transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
      text-align:center;
    }
    .mobile-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(15,23,42,.18);
      box-shadow: 0 10px 22px rgba(17,24,39,.10);
    }

    main{position:relative}
    .hero{
      padding: 34px 0 10px 0;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,23,42,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62)),
        radial-gradient(900px 360px at 20% 0%, rgba(255,77,109,.24), transparent 58%),
        radial-gradient(720px 360px at 90% 10%, rgba(124,58,237,.20), transparent 56%);
      box-shadow: 0 30px 80px rgba(17,24,39,.10);
      padding: 26px;
      overflow:hidden;
      position:relative;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(600px 200px at 20% 20%, rgba(255,77,109,.22), transparent 60%),
        radial-gradient(500px 180px at 80% 10%, rgba(124,58,237,.18), transparent 58%),
        radial-gradient(540px 220px at 70% 95%, rgba(37,99,235,.12), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .hero-inner{position:relative; z-index:1}
    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-bottom: 14px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.72);
      color: rgba(17,24,39,.84);
      font-size:12px;
      box-shadow: 0 12px 22px rgba(17,24,39,.06);
    }
    .pill svg{flex:0 0 auto}
    .hero h1{
      margin: 6px 0 10px 0;
      font-size: 34px;
      letter-spacing: -0.8px;
      line-height: 1.15;
    }
    .hero p{
      margin: 0 0 18px 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top: 10px;
    }
    .btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 12px 16px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.12);
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      color:#fff;
      text-decoration:none;
      font-weight: 720;
      box-shadow: 0 18px 40px rgba(255,77,109,.22);
      transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn-primary:hover{transform: translateY(-1px); box-shadow: 0 22px 58px rgba(255,77,109,.28); filter:saturate(110%)}
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 12px 16px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.72);
      color: rgba(17,24,39,.90);
      text-decoration:none;
      font-weight: 700;
      box-shadow: 0 14px 30px rgba(17,24,39,.08);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn-ghost:hover{transform: translateY(-1px); box-shadow: 0 18px 44px rgba(17,24,39,.12); background:#fff}
    .btn-ghost:focus, .btn-primary:focus{outline:none; box-shadow: var(--focus)}
    .micro{
      display:flex;
      align-items:center;
      gap:10px;
      color: var(--muted2);
      font-size:12px;
      margin-top: 14px;
      flex-wrap:wrap;
    }
    .micro .check{
      width:22px; height:22px;
      border-radius: 8px;
      display:grid; place-items:center;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.78);
    }

    .hero-side{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 28px 70px rgba(17,24,39,.10);
      padding: 18px;
      display:flex;
      flex-direction:column;
      gap:14px;
      position:relative;
      overflow:hidden;
    }
    .hero-side:after{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width: 240px; height: 240px;
      background: radial-gradient(circle at 30% 30%, rgba(124,58,237,.35), transparent 60%);
      transform: rotate(25deg);
      pointer-events:none;
      opacity:.7;
    }
    .side-title{
      position:relative;
      z-index:1;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
    }
    .side-title h2{
      margin:0;
      font-size: 14px;
      letter-spacing:.2px;
    }
    .side-title .tag{
      font-size:12px;
      color: rgba(17,24,39,.80);
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.75);
      padding: 7px 10px;
      border-radius: 999px;
      white-space:nowrap;
    }
    .metrics{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.74);
      padding: 12px;
      box-shadow: 0 12px 26px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor: default;
      min-height: 84px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(17,24,39,.12);
      border-color: rgba(15,23,42,.18);
    }
    .metric .k{
      display:flex; align-items:center; gap:10px;
      font-size:12px;
      color: var(--muted);
    }
    .metric .v{
      font-weight: 820;
      font-size: 20px;
      letter-spacing:-.4px;
    }
    .metric .spark{
      width:34px; height:34px;
      border-radius:14px;
      display:grid; place-items:center;
      border:1px solid rgba(15,23,42,.10);
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.92), rgba(255,255,255,.55));
    }
    .side-list{
      position:relative;
      z-index:1;
      border-radius: 18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.68);
      padding: 14px;
    }
    .side-list h3{
      margin:0 0 10px 0;
      font-size: 13px;
      color: rgba(17,24,39,.86);
    }
    .chips{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .chip{
      font-size: 12px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      color: rgba(17,24,39,.82);
      transition: transform .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .chip:hover{transform: translateY(-1px); background:#fff}
    .divider{
      height:1px;
      background: rgba(15,23,42,.10);
      margin: 10px 0 0 0;
    }

    section{
      padding: 28px 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: 64ch;
    }
    .lead-ops{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .small-link{
      text-decoration:none;
      font-size:13px;
      color: rgba(17,24,39,.88);
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 24px rgba(17,24,39,.06);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .small-link:hover{transform: translateY(-1px); box-shadow: 0 18px 40px rgba(17,24,39,.11); background:#fff}

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.76);
      border: 1px solid rgba(15,23,42,.10);
      box-shadow: 0 18px 48px rgba(17,24,39,.08);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
      min-height: 154px;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 26px 74px rgba(17,24,39,.13);
      border-color: rgba(15,23,42,.18);
    }
    .card .top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom: 8px;
    }
    .badge-icon{
      width:44px; height:44px;
      border-radius: 16px;
      display:grid;
      place-items:center;
      border:1px solid rgba(15,23,42,.10);
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.95), rgba(255,255,255,.55));
      box-shadow: 0 16px 36px rgba(17,24,39,.07);
    }
    .card h3{
      margin: 0 0 6px 0;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }

    .steps{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr 1fr;
      gap: 14px;
    }
    .step{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 48px rgba(17,24,39,.07);
      padding: 16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 178px;
    }
    .step:hover{transform: translateY(-3px); box-shadow: 0 26px 74px rgba(17,24,39,.12); border-color: rgba(15,23,42,.18)}
    .step .num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width: 38px; height: 38px;
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,58,237,.14));
      font-weight: 860;
      letter-spacing:-.3px;
      margin-bottom: 10px;
    }
    .step h3{margin:0 0 6px 0; font-size:15px}
    .step p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.75}

    .compare{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 30px 90px rgba(17,24,39,.10);
      overflow:hidden;
    }
    .compare-head{
      padding: 18px 18px 10px 18px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 14px;
      background:
        radial-gradient(900px 300px at 10% 0%, rgba(255,77,109,.18), transparent 55%),
        radial-gradient(700px 280px at 90% 0%, rgba(124,58,237,.16), transparent 52%),
        rgba(255,255,255,.58);
      border-bottom:1px solid rgba(15,23,42,.08);
    }
    .rate{
      display:flex;
      align-items:flex-start;
      gap:12px;
    }
    .stars{
      width: 62px; height:62px;
      border-radius: 22px;
      display:grid; place-items:center;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 16px 42px rgba(17,24,39,.08);
      position:relative;
      overflow:hidden;
    }
    .stars:before{
      content:"";
      position:absolute;
      inset:-20px -20px auto auto;
      width: 80px; height: 80px;
      background: radial-gradient(circle at 30% 30%, rgba(255,77,109,.35), transparent 60%);
      transform: rotate(30deg);
    }
    .stars svg{position:relative; z-index:1}
    .rate h3{margin:0; font-size:16px}
    .rate p{margin:6px 0 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    .recommend-pill{
      align-self:flex-start;
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      display:flex;
      align-items:center;
      gap:10px;
      font-weight: 800;
      letter-spacing:-.2px;
      white-space:nowrap;
      box-shadow: 0 14px 36px rgba(17,24,39,.08);
    }
    .recommend-pill .star-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--accent), #ffb020);
      box-shadow: 0 0 0 4px rgba(245,158,11,.16);
    }
    .table-wrap{
      overflow:auto;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width: 720px;
    }
    th, td{
      padding: 14px 12px;
      border-bottom:1px solid rgba(15,23,42,.08);
      vertical-align:top;
      font-size: 13.5px;
      line-height:1.6;
    }
    th{
      background: rgba(255,255,255,.62);
      position:sticky;
      top:0;
      z-index:1;
      text-align:left;
      color: rgba(17,24,39,.90);
      border-bottom:1px solid rgba(15,23,42,.10);
      font-weight: 800;
    }
    td:first-child{
      color: rgba(17,24,39,.86);
      font-weight: 700;
      width: 30%;
    }
    .mark-good, .mark-neutral{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight: 800;
    }
    .mark-good .m{
      width:26px; height:26px;
      border-radius: 10px;
      display:grid; place-items:center;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      color: var(--good);
    }
    .mark-neutral .m{
      width:26px; height:26px;
      border-radius: 10px;
      display:grid; place-items:center;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      color: rgba(17,24,39,.70);
    }
    .mark-good span{color: rgba(17,24,39,.90)}
    .mark-neutral span{color: rgba(17,24,39,.80); font-weight:700}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .panel{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 30px 90px rgba(17,24,39,.10);
      padding: 18px;
    }
    .panel h3{
      margin:0 0 10px 0;
      font-size: 16px;
      letter-spacing:-.3px;
    }
    .panel p{
      margin:0 0 10px 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.75;
    }
    .list{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 14px 28px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .li:hover{transform: translateY(-2px); border-color: rgba(15,23,42,.18); box-shadow: 0 22px 58px rgba(17,24,39,.12)}
    .li .ic{
      width:30px; height:30px;
      border-radius: 12px;
      border:1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(37,99,235,.14), rgba(124,58,237,.12));
      display:grid; place-items:center;
      flex:0 0 auto;
    }
    .li strong{
      display:block;
      font-size: 13.5px;
      margin-top:1px;
    }
    .li span{
      display:block;
      color: var(--muted);
      font-size: 13px;
      line-height:1.6;
      margin-top:4px;
    }

    .segmented{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin: 10px 0 0 0;
    }
    .seg{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 12px 26px rgba(17,24,39,.06);
      font-size: 13px;
      color: rgba(17,24,39,.84);
      cursor:pointer;
      user-select:none;
      transition: transform .15s ease, background .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .seg:hover{transform: translateY(-1px); background:#fff; border-color: rgba(15,23,42,.18); box-shadow: 0 18px 44px rgba(17,24,39,.10)}
    .seg[aria-pressed="true"]{
      background: linear-gradient(135deg, rgba(255,77,109,.16), rgba(124,58,237,.13));
      border-color: rgba(255,77,109,.25);
    }
    .seg .s-dot{width:10px;height:10px;border-radius:50%; background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 0 0 4px rgba(255,77,109,.15)}
    .seg[aria-pressed="false"] .s-dot{background: linear-gradient(135deg, rgba(17,24,39,.38), rgba(17,24,39,.16)); box-shadow:none}

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
      margin-top: 12px;
    }
    .t-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 14px 28px rgba(17,24,39,.06);
    }
    .t-dot{
      width: 30px; height: 30px;
      border-radius: 12px;
      border:1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(255,77,109,.16), rgba(37,99,235,.10));
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top: 2px;
    }
    .t-item strong{display:block; font-size:13.5px}
    .t-item span{display:block; color:var(--muted); font-size:13px; line-height:1.6; margin-top:4px}

    .case-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items:start;
    }
    .case-list{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .case{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 48px rgba(17,24,39,.07);
      padding: 14px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor:pointer;
    }
    .case:hover{transform: translateY(-2px); box-shadow: 0 26px 74px rgba(17,24,39,.12); border-color: rgba(15,23,42,.18)}
    .case .row{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .case h3{margin:0; font-size:14.5px}
    .case p{margin:8px 0 0 0; color:var(--muted); font-size:13px; line-height:1.7}
    .case .meta{
      margin-top:10px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color: rgba(17,24,39,.80);
      font-size:12px;
    }
    .case .mchip{
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.74);
      border-radius: 999px;
      padding: 7px 10px;
      white-space:nowrap;
    }
    .preview{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(900px 380px at 10% 0%, rgba(37,99,235,.16), transparent 55%),
        radial-gradient(780px 320px at 90% 20%, rgba(255,77,109,.18), transparent 56%),
        rgba(255,255,255,.70);
      box-shadow: 0 30px 90px rgba(17,24,39,.10);
      padding: 18px;
      position:relative;
      overflow:hidden;
      min-height: 330px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .preview:before{
      content:"";
      position:absolute;
      inset: -2px -2px auto auto;
      width: 220px;
      height: 220px;
      background: radial-gradient(circle at 30% 30%, rgba(124,58,237,.26), transparent 62%);
      transform: rotate(20deg);
      pointer-events:none;
      opacity:.75;
    }
    .preview > *{position:relative; z-index:1}
    .preview h3{margin:0; font-size:16px}
    .preview .desc{color:var(--muted); font-size:13.5px; line-height:1.75; margin:0}
    .preview .blocks{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
      margin-top:auto;
    }
    .block{
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      padding: 12px;
      box-shadow: 0 14px 28px rgba(17,24,39,.06);
    }
    .block .t{display:flex; justify-content:space-between; gap:10px; align-items:center}
    .block strong{font-size:13.5px}
    .block span{
      color:var(--muted2);
      font-size:12px;
      white-space:nowrap;
    }
    .block ul{margin:10px 0 0 0; padding-left: 16px; color:var(--muted); font-size:13px; line-height:1.8}
    .block li{margin: 4px 0}

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 14px;
    }
    .article{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 48px rgba(17,24,39,.07);
      padding: 14px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex;
      flex-direction:column;
      gap: 10px;
      min-height: 176px;
    }
    .article:hover{transform: translateY(-2px); box-shadow: 0 26px 74px rgba(17,24,39,.12); border-color: rgba(15,23,42,.18)}
    .article .k{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      color: rgba(17,24,39,.82);
      font-size:12px;
    }
    .article a{
      text-decoration:none;
      font-weight: 780;
      letter-spacing: -0.2px;
      color: rgba(17,24,39,.92);
      line-height:1.35;
      margin-top:2px;
    }
    .article p{
      margin:0;
      color:var(--muted);
      font-size:13.3px;
      line-height:1.75;
    }
    .article .go{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-size:12.5px;
      color: rgba(17,24,39,.86);
      border-top:1px dashed rgba(15,23,42,.12);
      padding-top: 10px;
    }
    .arrow{
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.76);
      display:grid; place-items:center;
      transition: transform .15s ease;
    }
    .article:hover .arrow{transform: translateX(2px)}

    .faq{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 30px 90px rgba(17,24,39,.10);
      overflow:hidden;
    }
    .faq-item{
      border-top:1px solid rgba(15,23,42,.08);
    }
    .faq-item:first-child{border-top:none}
    details.faq-details{
      padding: 0 16px;
    }
    details.faq-details summary{
      list-style:none;
      cursor:pointer;
      padding: 16px 0;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      outline:none;
    }
    details.faq-details summary::-webkit-details-marker{display:none}
    .q{
      font-weight: 820;
      font-size: 14.5px;
      letter-spacing:-.2px;
      line-height:1.5;
      color: rgba(17,24,39,.92);
      padding-right: 10px;
    }
    .chev{
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top:-4px;
      transition: transform .18s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .a{
      padding: 0 0 16px 0;
      color: var(--muted);
      font-size: 13.6px;
      line-height: 1.85;
    }

    .comments{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .comment{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 30px 90px rgba(17,24,39,.10);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      overflow:hidden;
      position:relative;
      min-height: 176px;
    }
    .comment:hover{transform: translateY(-2px); box-shadow: 0 36px 120px rgba(17,24,39,.14); border-color: rgba(15,23,42,.18)}
    .comment:before{
      content:"";
      position:absolute;
      inset: -80px auto auto -70px;
      width: 160px; height: 160px;
      background: radial-gradient(circle at 30% 30%, rgba(255,77,109,.18), transparent 60%);
      transform: rotate(25deg);
      pointer-events:none;
      opacity:.75;
    }
    .comment > *{position:relative; z-index:1}
    .who{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .avatar{
      display:flex; align-items:center; gap:10px;
    }
    .face{
      width: 44px; height:44px;
      border-radius: 18px;
      border:1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(37,99,235,.14), rgba(124,58,237,.12));
      display:grid; place-items:center;
      box-shadow: 0 16px 40px rgba(17,24,39,.08);
      font-weight:900;
      letter-spacing:-.2px;
      color: rgba(17,24,39,.88);
    }
    .avatar strong{display:block; font-size: 13.8px}
    .avatar span{display:block; color: var(--muted); font-size: 12.6px; margin-top: 2px}
    .stars-mini{
      display:flex; gap:6px; align-items:center;
      color: rgba(17,24,39,.86);
      font-size:12.5px;
      white-space:nowrap;
    }
    .stars-mini svg{opacity:.95}
    .quote{
      margin: 10px 0 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.85;
    }

    .network-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 14px;
    }
    .net{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 48px rgba(17,24,39,.07);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 170px;
    }
    .net:hover{transform: translateY(-2px); border-color: rgba(15,23,42,.18); box-shadow: 0 26px 74px rgba(17,24,39,.12)}
    .net h3{margin:0 0 8px 0; font-size:15px}
    .net p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.75}
    .net .nums{margin-top: 12px; display:flex; flex-wrap:wrap; gap:8px}
    .net .nchip{
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      padding: 8px 10px;
      font-size:12px;
      color: rgba(17,24,39,.84);
      white-space:nowrap;
    }

    form{
      margin-top: 8px;
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    label{
      display:block;
      font-size: 12.8px;
      color: rgba(17,24,39,.86);
      margin-bottom: 8px;
      font-weight: 750;
      letter-spacing:-.1px;
    }
    .field{
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.78);
      padding: 12px 12px;
      width:100%;
      font-size: 14px;
      color: rgba(17,24,39,.92);
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease, background .15s ease;
    }
    .field:focus{
      outline:none;
      border-color: rgba(37,99,235,.35);
      box-shadow: var(--focus);
      background:#fff;
    }
    textarea.field{min-height: 120px; resize: vertical}
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap: 12px;
      align-items:center;
      justify-content:space-between;
      margin-top: 12px;
    }
    .fine{
      color: var(--muted2);
      font-size: 12.3px;
      line-height:1.6;
      max-width: 56ch;
    }

    .footer{
      padding: 18px 0 26px 0;
      margin-top: 10px;
      background:
        radial-gradient(1000px 340px at 20% 0%, rgba(255,77,109,.16), transparent 52%),
        radial-gradient(900px 340px at 80% 0%, rgba(124,58,237,.14), transparent 52%),
        rgba(248,247,244,.75);
      border-top: 1px solid rgba(15,23,42,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 30px 90px rgba(17,24,39,.10);
      padding: 16px;
    }
    .foot-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .foot-title h3{margin:0; font-size:16px}
    .foot-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top: 10px;
    }
    .foot-links a{
      text-decoration:none;
      border-radius: 999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      padding: 9px 10px;
      font-size:12.6px;
      color: rgba(17,24,39,.86);
      transition: transform .15s ease, background .15s ease, box-shadow .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{transform: translateY(-1px); background:#fff; box-shadow: 0 18px 44px rgba(17,24,39,.10); border-color: rgba(15,23,42,.18)}
    .copyright{
      margin-top: 12px;
      color: var(--muted2);
      font-size: 12.5px;
      line-height:1.7;
    }
    .contact-line{
      display:flex; flex-direction:column; gap:10px;
      color: rgba(17,24,39,.86);
      font-size: 13.5px;
    }
    .contact-item{
      display:flex; align-items:flex-start; gap:12px;
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 14px 28px rgba(17,24,39,.06);
    }
    .contact-item svg{flex:0 0 auto; margin-top:2px}
    .contact-item div{display:flex; flex-direction:column}
    .contact-item strong{font-size:13.5px}
    .contact-item span{color:var(--muted); font-size:13px; margin-top:4px; line-height:1.6}
    .kefu{
      width: 88px;
      height:auto;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      padding: 6px;
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .contact-item:hover .kefu{transform: translateY(-2px); box-shadow: 0 26px 74px rgba(17,24,39,.14)}

    .float-kefu{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index: 80;
      display:flex;
      gap:10px;
      align-items:flex-end;
    }
    .to-top{
      width: 44px; height:44px;
      border-radius: 18px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 50px rgba(17,24,39,.14);
      cursor:pointer;
      display:grid; place-items:center;
      transition: transform .15s ease, opacity .15s ease, background .15s ease;
    }
    .to-top:hover{transform: translateY(-2px); background:#fff}
    .kefu-btn{
      border-radius: 18px;
      border:1px solid rgba(15,23,42,.12);
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(37,99,235,.10)), rgba(255,255,255,.78);
      box-shadow: 0 18px 50px rgba(17,24,39,.14);
      padding: 10px 10px;
      cursor:pointer;
      display:flex;
      align-items:center;
      gap:10px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      max-width: 180px;
    }
    .kefu-btn:hover{transform: translateY(-2px); background: rgba(255,255,255,.92); box-shadow: 0 24px 74px rgba(17,24,39,.16)}
    .kefu-btn strong{font-size: 13.2px}
    .kefu-btn span{display:block; color:var(--muted); font-size:12.5px; margin-top:2px; white-space:nowrap}
    .kefu-mini{
      width: 34px; height:34px;
      border-radius: 14px;
      display:grid; place-items:center;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero h1{font-size: 30px}
      .steps{grid-template-columns: 1fr 1fr}
      .grid-3{grid-template-columns: 1fr}
      .article-grid{grid-template-columns: 1fr}
      .two-col{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .comments{grid-template-columns: 1fr}
      .network-grid{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .nav-actions{min-width:auto}
      nav .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{display:block}
    }
    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .reveal{transition:none}
      .card, .step, .metric, .li, .case, .article, .comment, .net, .small-link, .cta, .btn-primary, .btn-ghost, .to-top, .kefu-btn{transition:none !important}
    }