:root{
      --bg0:#fbfbfd;
      --bg1:#f7f2ff;
      --card:#ffffff;
      --text:#1f2330;
      --muted:#5b6477;
      --muted2:#7a849a;
      --border:rgba(20,25,40,.10);
      --shadow:0 10px 30px rgba(31,35,48,.08);
      --shadow2:0 8px 22px rgba(31,35,48,.10);
      --primary:#6c5ce7;
      --primary2:#00b894;
      --primary3:#ff7675;
      --primary4:#00a8ff;
      --ring:rgba(108,92,231,.25);
      --radius:18px;
      --radius2:14px;
      --container:1160px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(108,92,231,.16), transparent 60%),
        radial-gradient(900px 500px at 95% 10%, rgba(0,168,255,.13), transparent 55%),
        radial-gradient(900px 500px at 60% 110%, rgba(0,184,148,.12), transparent 55%),
        linear-gradient(180deg, var(--bg0) 0%, #ffffff 50%, #fafaff 100%);
      line-height:1.55;
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    img{max-width:100%; height:auto; display:block}
    .container{
      width:min(var(--container), calc(100% - 28px));
      margin:0 auto;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(20,25,40,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:10px;
      min-width: 210px;
    }
    .ai-page-logo{
      width:34px; height:34px; border-radius:10px;
      object-fit:cover;
      box-shadow:0 10px 18px rgba(108,92,231,.18);
      border:1px solid rgba(108,92,231,.18);
    }
    .brand-text{display:flex; flex-direction:column; gap:1px}
    .brand-name{font-weight:800; letter-spacing:.2px}
    .brand-sub{font-size:12px; color:var(--muted); white-space:nowrap}

    nav{
      display:flex; align-items:center; gap:16px;
    }
    .nav-links{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .nav-links a{
      font-size:13px; color:var(--muted);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition:transform .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
    }
    .nav-links a:hover{
      background:rgba(108,92,231,.08);
      border-color:rgba(108,92,231,.18);
      color:#2a2f45;
      transform:translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px; justify-content:flex-end;
      min-width: 220px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:12px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.9);
      color:#222;
      font-weight:700;
      font-size:13px;
      transition:transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
      white-space:nowrap;
      user-select:none;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:0 12px 24px rgba(31,35,48,.10)}
    .btn:focus{outline:none; box-shadow:0 0 0 4px var(--ring)}
    .btn-primary{
      border-color:rgba(108,92,231,.22);
      background:linear-gradient(135deg, rgba(108,92,231,.98), rgba(0,168,255,.92));
      color:#fff;
      box-shadow:0 12px 26px rgba(108,92,231,.22);
    }
    .btn-primary:hover{
      box-shadow:0 18px 40px rgba(108,92,231,.26);
      background:linear-gradient(135deg, rgba(108,92,231,1), rgba(0,168,255,1));
    }
    .btn-ghost{
      background:rgba(255,255,255,.7);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .burger{
      display:none;
      width:42px; height:42px;
      border-radius:12px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.9);
      align-items:center; justify-content:center;
      cursor:pointer;
      user-select:none;
      transition:transform .16s ease, box-shadow .16s ease;
    }
    .burger:hover{transform:translateY(-1px); box-shadow:0 12px 24px rgba(31,35,48,.10)}
    .burger span{
      width:18px; height:2px; background:#2b3144; border-radius:999px; position:relative; display:block;
    }
    .burger span:before,.burger span:after{
      content:""; position:absolute; left:0; width:18px; height:2px; background:#2b3144; border-radius:999px;
      transition:transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:before{top:-6px}
    .burger span:after{top:6px}
    .burger.active span{background:transparent}
    .burger.active span:before{top:0; transform:rotate(45deg)}
    .burger.active span:after{top:0; transform:rotate(-45deg)}

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(20,25,40,.08);
      padding:12px 0 16px;
    }
    .mobile-grid{
      display:grid; gap:10px;
      grid-template-columns: 1fr 1fr;
    }
    .mobile-grid a{
      padding:10px 12px; border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.9);
      color:#2b3144;
      font-weight:700;
      font-size:13px;
      transition:transform .16s ease, box-shadow .16s ease;
    }
    .mobile-grid a:hover{transform:translateY(-1px); box-shadow:0 12px 24px rgba(31,35,48,.10)}

    .hero{
      padding:44px 0 26px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-left{
      padding:22px 0;
    }
    .pill-row{
      display:flex; gap:10px; flex-wrap:wrap; margin-bottom:14px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.72);
      color:#2b3144;
      font-weight:800;
      font-size:12px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--primary4));
      box-shadow:0 0 0 4px rgba(108,92,231,.14);
    }
    .hero h1{
      margin:0;
      font-size:36px;
      line-height:1.15;
      letter-spacing:-.6px;
    }
    .hero-lead{
      margin:12px 0 18px;
      color:var(--muted);
      font-size:15px;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:18px;
    }
    .micro{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
      margin-top:14px;
      color:var(--muted2);
      font-size:12px;
    }
    .check{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px dashed rgba(20,25,40,.14);
      background:rgba(255,255,255,.55);
    }
    .hero-right{
      border-radius:var(--radius);
      border:1px solid rgba(20,25,40,.10);
      background:
        radial-gradient(800px 320px at 30% 0%, rgba(108,92,231,.18), transparent 60%),
        radial-gradient(650px 260px at 90% 30%, rgba(0,168,255,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.58) 100%);
      box-shadow:var(--shadow);
      padding:18px;
      display:flex; flex-direction:column; gap:12px;
      position:relative;
      overflow:hidden;
    }
    .hero-right:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(108,92,231,.22), rgba(0,168,255,.16), rgba(0,184,148,.14));
      opacity:.55;
      filter: blur(22px);
      transform:translateY(-35px);
      pointer-events:none;
    }
    .hero-right > *{position:relative; z-index:1}
    .data-row{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .metric{
      border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.78);
      padding:12px;
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .metric:hover{
      transform:translateY(-2px);
      box-shadow:0 14px 30px rgba(31,35,48,.12);
    }
    .metric .k{
      font-size:20px; font-weight:900; letter-spacing:-.3px;
      display:flex; align-items:baseline; gap:6px;
    }
    .metric .k span{
      font-size:12px; color:var(--muted2); font-weight:800;
      padding:4px 8px; border-radius:999px; border:1px solid rgba(20,25,40,.10); background:rgba(255,255,255,.7);
    }
    .metric .t{
      margin-top:6px; color:var(--muted); font-size:12px; font-weight:700;
    }
    .speed{
      display:flex; gap:12px; align-items:flex-start;
      border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.72);
      padding:14px;
    }
    .speed .badge{
      width:42px; height:42px; border-radius:14px;
      background:linear-gradient(135deg, rgba(0,184,148,.18), rgba(0,168,255,.18));
      border:1px solid rgba(0,184,148,.25);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .speed .badge svg{width:20px; height:20px}
    .speed .s-title{font-weight:900}
    .speed .s-desc{color:var(--muted); font-size:12px; margin-top:6px}

    .section{
      padding:22px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:14px;
    }
    .section-title h2{
      margin:0; font-size:22px; letter-spacing:-.3px;
    }
    .section-title p{
      margin:0; color:var(--muted); font-size:13px; max-width: 62ch;
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .card{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(20,25,40,.10);
      border-radius:var(--radius2);
      box-shadow:0 8px 18px rgba(31,35,48,.06);
      padding:16px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      overflow:hidden;
      position:relative;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(31,35,48,.12);
      border-color:rgba(108,92,231,.18);
    }
    .card .h{
      display:flex; align-items:center; gap:10px; margin-bottom:10px;
    }
    .card .h .glyph{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(20,25,40,.10);
      background:linear-gradient(135deg, rgba(108,92,231,.14), rgba(0,168,255,.10));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .card .h .glyph svg{width:20px; height:20px}
    .card h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .card p{margin:0; color:var(--muted); font-size:13px}

    .two-col{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .list{
      margin:0; padding:0; list-style:none;
      display:grid; gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.72);
    }
    .li .tag{
      width:34px; height:34px; border-radius:12px;
      background:linear-gradient(135deg, rgba(255,118,117,.18), rgba(108,92,231,.14));
      border:1px solid rgba(255,118,117,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .li .tag svg{width:16px; height:16px}
    .li .lt{flex:1}
    .li .lt b{display:block; font-size:13px; margin-top:2px}
    .li .lt span{display:block; color:var(--muted); font-size:12px; margin-top:6px}

    .stepper{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px;
      border-radius:16px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(20,25,40,.10);
      position:relative;
      overflow:hidden;
    }
    .step:after{
      content:"";
      position:absolute; inset:auto -40px -40px auto;
      width:120px; height:120px; border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(108,92,231,.18), transparent 58%);
      transform:rotate(18deg);
      pointer-events:none;
    }
    .step .num{
      display:inline-flex; align-items:center; justify-content:center;
      width:34px; height:34px; border-radius:14px;
      font-weight:900; color:#2a2f45;
      border:1px solid rgba(20,25,40,.12);
      background:rgba(255,255,255,.72);
    }
    .step h3{margin:10px 0 6px; font-size:14px}
    .step p{margin:0; color:var(--muted); font-size:12.5px}

    .compare{
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.66));
      border:1px solid rgba(20,25,40,.10);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .compare-head{
      padding:16px 16px 0;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .compare-head .left h2{margin:0; font-size:18px}
    .compare-head .left p{margin:8px 0 0; color:var(--muted); font-size:13px; max-width: 68ch}
    .compare-head .right{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }
    .chip{
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.76);
      color:#2a2f45;
      font-size:12px;
      font-weight:800;
      display:inline-flex; gap:8px; align-items:center;
    }
    .chip i{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--primary4));
      box-shadow:0 0 0 4px rgba(108,92,231,.12);
      display:inline-block;
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin-top:14px;
      font-size:13px;
    }
    .compare-table thead th{
      text-align:left;
      padding:12px 14px;
      background:rgba(108,92,231,.10);
      border-bottom:1px solid rgba(20,25,40,.10);
      position:sticky;
      top:60px;
      z-index:1;
      white-space:nowrap;
    }
    .compare-table tbody td{
      padding:12px 14px;
      border-bottom:1px solid rgba(20,25,40,.08);
      color:#2b3144;
      vertical-align:top;
    }
    .compare-table tbody tr:hover td{
      background:rgba(0,168,255,.04);
    }
    .score-cell{
      display:flex; flex-direction:column; gap:6px;
    }
    .score{
      font-weight:900;
      letter-spacing:-.2px;
      display:flex; align-items:baseline; gap:8px;
    }
    .score b{font-size:16px}
    .score span{font-size:12px; color:var(--muted)}
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(20,25,40,.08);
      overflow:hidden;
      border:1px solid rgba(20,25,40,.06);
    }
    .bar > em{
      display:block; height:100%;
      width:60%;
      background:linear-gradient(90deg, rgba(108,92,231,.95), rgba(0,168,255,.9));
      border-radius:999px;
    }

    .mobile-scroll{
      overflow:auto;
      -webkit-overflow-scrolling:touch;
      padding-bottom:8px;
    }

    .tab-grid{
      display:grid;
      grid-template-columns: .9fr 1.1fr;
      gap:14px;
      align-items:start;
    }
    .media-box{
      border-radius:var(--radius2);
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.8);
      padding:16px;
      box-shadow:0 8px 18px rgba(31,35,48,.06);
      overflow:hidden;
      position:relative;
      min-height: 260px;
    }
    .media-box:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(700px 240px at 30% 0%, rgba(255,118,117,.18), transparent 60%),
        radial-gradient(520px 220px at 100% 30%, rgba(108,92,231,.16), transparent 50%),
        linear-gradient(180deg, rgba(0,168,255,.08), transparent 60%);
      pointer-events:none;
    }
    .media-box > *{position:relative; z-index:1}
    .media-title{font-weight:950; letter-spacing:-.2px; margin:0 0 10px; font-size:16px}
    .media-sub{margin:0; color:var(--muted); font-size:13px}
    .grid-mini{
      margin-top:14px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mini-card{
      padding:12px;
      border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.76);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .mini-card:hover{transform:translateY(-2px); box-shadow:0 14px 30px rgba(31,35,48,.10)}
    .mini-k{font-weight:950; font-size:13px; display:flex; align-items:center; gap:10px}
    .mini-k i{
      width:12px; height:12px; border-radius:50%;
      background:linear-gradient(135deg, var(--primary3), var(--primary));
      box-shadow:0 0 0 4px rgba(255,118,117,.12);
      display:inline-block;
    }
    .mini-v{margin-top:6px; color:var(--muted); font-size:12px}

    .gallery{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .case{
      border-radius:var(--radius2);
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.82);
      box-shadow:0 8px 18px rgba(31,35,48,.06);
      overflow:hidden;
      display:flex; flex-direction:column;
    }
    .case .img-wrap{
      padding:12px;
      background:linear-gradient(180deg, rgba(108,92,231,.08), rgba(255,255,255,.0));
      border-bottom:1px solid rgba(20,25,40,.08);
    }
    .case img{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:#fff;
      object-fit:cover;
    }
    .case .body{padding:14px 14px 16px}
    .case .title{
      font-weight:950; letter-spacing:-.2px;
      margin:0 0 8px; font-size:14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .badge-soft{
      font-size:12px; color:#2a2f45; font-weight:900;
      padding:6px 10px; border-radius:999px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.76);
      white-space:nowrap;
    }
    .case p{margin:0; color:var(--muted); font-size:13px}
    .case .meta{
      margin-top:12px; display:flex; gap:10px; flex-wrap:wrap;
      color:var(--muted2); font-size:12px; font-weight:800;
    }
    .meta span{
      padding:6px 10px; border-radius:999px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.7);
    }

    .reviews{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .review{
      border-radius:var(--radius2);
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.84);
      padding:16px;
      box-shadow:0 8px 18px rgba(31,35,48,.06);
    }
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      background:linear-gradient(135deg, rgba(108,92,231,.18), rgba(0,168,255,.14));
      border:1px solid rgba(108,92,231,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#2a2f45;
      user-select:none;
    }
    .review .role{
      margin-left:10px;
      font-weight:950;
      font-size:13px;
      line-height:1.1;
    }
    .review .who{
      display:flex; align-items:center;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
      color:#f5a623;
      font-weight:900;
      font-size:12px;
      user-select:none;
    }
    .review .txt{
      color:var(--muted);
      font-size:13px;
      margin:0;
    }

    .form-card{
      padding:18px;
      border-radius:var(--radius);
      border:1px solid rgba(20,25,40,.10);
      background:
        radial-gradient(900px 320px at 10% 0%, rgba(108,92,231,.18), transparent 60%),
        radial-gradient(650px 260px at 90% 30%, rgba(0,168,255,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.68));
      box-shadow:var(--shadow);
    }
    form{
      display:grid; gap:12px;
      grid-template-columns: 1fr 1fr;
    }
    .field{display:flex; flex-direction:column; gap:8px}
    .field label{font-weight:900; font-size:13px}
    .field input, .field select, .field textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,25,40,.12);
      background:rgba(255,255,255,.86);
      color:#1f2330;
      outline:none;
      transition: box-shadow .16s ease, border-color .16s ease, transform .16s ease;
      font-size:13px;
    }
    .field textarea{min-height:110px; resize:vertical; grid-column: 1 / -1}
    .field input:focus, .field select:focus, .field textarea:focus{
      border-color:rgba(108,92,231,.35);
      box-shadow:0 0 0 4px rgba(108,92,231,.16);
    }
    .form-actions{
      grid-column: 1 / -1;
      display:flex; align-items:center; justify-content:space-between;
      gap:12px; flex-wrap:wrap;
      margin-top:2px;
    }
    .hint{
      color:var(--muted2);
      font-size:12px;
      font-weight:800;
      max-width: 70ch;
    }

    .faq{
      display:grid; gap:10px;
    }
    details.faq-item{
      border-radius:16px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.84);
      box-shadow:0 8px 18px rgba(31,35,48,.05);
      padding:12px 14px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    details.faq-item[open]{
      border-color:rgba(108,92,231,.22);
      box-shadow:0 18px 36px rgba(31,35,48,.10);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      font-weight:950;
      font-size:14px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:inline-flex; align-items:center; gap:10px; flex:0 0 auto;
      color:var(--muted2); font-size:12px; font-weight:900;
    }
    .chev{
      width:30px; height:30px; border-radius:12px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.76);
      display:flex; align-items:center; justify-content:center;
      transition:transform .2s ease;
    }
    details[open] .chev{transform:rotate(180deg)}
    .faq-body{
      margin-top:10px;
      color:var(--muted);
      font-size:13px;
      padding-right:8px;
    }

    .side-contact{
      position:fixed;
      right:14px;
      bottom:16px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-card{
      border-radius:18px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.84);
      box-shadow:0 16px 40px rgba(31,35,48,.14);
      overflow:hidden;
      width:260px;
      transform: translateY(0);
      transition:opacity .2s ease, transform .2s ease;
    }
    .float-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:12px 12px;
      background:linear-gradient(135deg, rgba(108,92,231,.12), rgba(0,168,255,.10));
      border-bottom:1px solid rgba(20,25,40,.08);
    }
    .float-head b{font-size:13px}
    .close-float{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.8);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .float-body{
      padding:12px;
      display:grid; gap:10px;
    }
    .kefu{
      display:flex; gap:12px; align-items:center;
    }
    .qrcode{
      width:62px; height:62px; border-radius:16px;
      border:1px solid rgba(20,25,40,.10);
      background:#fff;
      overflow:hidden;
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .qrcode img{width:100%; height:100%; object-fit:cover}
    .kefu .ktext{
      display:flex; flex-direction:column; gap:6px;
      min-width: 0;
    }
    .kefu .ktext span{font-weight:950; font-size:13px}
    .kefu .ktext em{
      font-style:normal;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .float-actions{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .float-actions .btn{flex:1}
    .totop{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 16px 40px rgba(31,35,48,.12);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition:transform .16s ease, box-shadow .16s ease;
      user-select:none;
    }
    .totop:hover{transform:translateY(-2px); box-shadow:0 20px 60px rgba(31,35,48,.16)}
    .totop svg{width:20px; height:20px}

    footer{
      margin-top:18px;
      padding:22px 0 26px;
      background:linear-gradient(180deg, rgba(255,255,255,.4), rgba(247,242,255,.55));
      border-top:1px solid rgba(20,25,40,.08);
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr .8fr 1fr;
      gap:14px;
      align-items:start;
    }
    .foot-block{
      border-radius:var(--radius);
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.78);
      padding:16px;
      box-shadow:0 8px 18px rgba(31,35,48,.05);
    }
    .foot-block h3{margin:0 0 10px; font-size:15px}
    .foot-block p{margin:0; color:var(--muted); font-size:13px}
    .link-list{display:flex; flex-direction:column; gap:10px; margin-top:10px}
    .link-list a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.86);
      color:#2b3144;
      font-weight:900;
      font-size:13px;
      transition:transform .16s ease, box-shadow .16s ease;
    }
    .link-list a:hover{transform:translateY(-1px); box-shadow:0 14px 30px rgba(31,35,48,.10)}
    .fineprint{
      margin-top:14px;
      display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
      color:var(--muted2); font-size:12px; font-weight:800;
      padding:0 2px;
    }

    .article-list{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .article{
      border-radius:var(--radius2);
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.84);
      padding:14px;
      box-shadow:0 8px 18px rgba(31,35,48,.05);
      display:flex; flex-direction:column; gap:10px;
    }
    .article .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .article h3{
      margin:0; font-size:14px; letter-spacing:-.2px; line-height:1.25;
    }
    .article p{margin:0; color:var(--muted); font-size:13px}
    .article .read{
      margin-top:auto;
      display:flex; justify-content:space-between; align-items:center; gap:10px;
      padding-top:6px;
      border-top:1px dashed rgba(20,25,40,.12);
    }
    .article .read a{
      font-weight:950; color:#2a2f45;
      font-size:13px;
      padding:8px 10px; border-radius:12px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.8);
      transition:transform .16s ease, box-shadow .16s ease;
      white-space:nowrap;
    }
    .article .read a:hover{transform:translateY(-1px); box-shadow:0 14px 30px rgba(31,35,48,.10)}
    .tag-row{display:flex; gap:8px; flex-wrap:wrap}
    .tag2{
      font-size:12px; font-weight:900; color:#2a2f45;
      padding:6px 10px; border-radius:999px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.76);
    }

    .timeline{
      border-radius:var(--radius);
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.80);
      box-shadow:0 8px 18px rgba(31,35,48,.05);
      padding:16px;
    }
    .timeline-grid{
      display:grid; grid-template-columns: repeat(5, 1fr);
      gap:10px;
    }
    .titem{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.76);
      position:relative;
      overflow:hidden;
    }
    .titem:before{
      content:"";
      position:absolute; inset:-1px -1px auto -1px;
      height:40px;
      background:linear-gradient(90deg, rgba(108,92,231,.18), rgba(0,168,255,.10), rgba(0,184,148,.12));
      opacity:.8;
      pointer-events:none;
    }
    .titem > *{position:relative; z-index:1}
    .titem .tt{font-weight:950; font-size:13px}
    .titem .td{margin-top:6px; color:var(--muted); font-size:12px}

    .label-cloud{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .label-cloud span{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(20,25,40,.10);
      background:rgba(255,255,255,.82);
      color:#2b3144;
      font-weight:900;
      font-size:12px;
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    .label-cloud span:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 30px rgba(31,35,48,.10);
      border-color:rgba(108,92,231,.22);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; gap:14px}
      .hero h1{font-size:32px}
      nav{display:none}
      .burger{display:flex}
      .mobile-panel{display:block}
      .grid-3{grid-template-columns: 1fr}
      .two-col{grid-template-columns: 1fr}
      .tab-grid{grid-template-columns: 1fr}
      .stepper{grid-template-columns: 1fr 1fr}
      .gallery{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .timeline-grid{grid-template-columns: 1fr 1fr}
      .float-card{width:240px}
    }