:root{
      --bg0:#fbf8f2;
      --bg1:#ffffff;
      --text:#1d2433;
      --muted:#5a667a;
      --muted2:#7a879c;
      --border:rgba(30,41,59,.10);
      --shadow: 0 10px 30px rgba(17,24,39,.08);
      --shadow2: 0 6px 16px rgba(17,24,39,.10);
      --primary:#1b5cff;
      --primary2:#7c3aed;
      --accent:#ff6b3d;
      --good:#0ea5e9;
      --ring: rgba(27,92,255,.18);
      --radius: 16px;
      --radius2: 22px;
      --container: 1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    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", "Noto Sans", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 10% -10%, rgba(124,58,237,.14), transparent 55%),
        radial-gradient(700px 420px at 85% 0%, rgba(27,92,255,.16), transparent 48%),
        radial-gradient(640px 420px at 20% 70%, rgba(255,107,61,.10), transparent 56%),
        linear-gradient(180deg, var(--bg0), #fff 62%, var(--bg1));
    }
    a{color:inherit; text-decoration:none}
    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }
    .skip{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px; width:auto; height:auto; background:#fff; padding:10px 12px; border-radius:12px; border:1px solid var(--border); z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position: sticky;
      top:0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(251,248,242,.66);
      border-bottom: 1px solid rgba(30,41,59,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 190px;
    }
    .logo{
      width:40px; height:40px;
      border-radius: 14px;
      background:
        radial-gradient(10px 10px at 25% 25%, rgba(255,255,255,.9), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(27,92,255,.95), rgba(124,58,237,.95));
      box-shadow: 0 10px 26px rgba(27,92,255,.20);
      display:grid; place-items:center;
      overflow:hidden;
    }
    .logo img{width:100%; height:100%; object-fit:contain}
    .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-text strong{font-size:14px; letter-spacing:.2px}
    .brand-text span{font-size:12px; color:var(--muted)}
    nav .menu{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:nowrap;
      overflow:hidden;
    }
    .menu a{
      font-size:13px;
      color: rgba(29,36,51,.86);
      padding:10px 10px;
      border-radius: 12px;
      transition: background .2s ease, transform .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(27,92,255,.08);
      color: rgba(27,92,255,1);
      transform: translateY(-1px);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 210px;
      justify-content:flex-end;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius: 14px;
      padding: 11px 14px;
      border: 1px solid rgba(30,41,59,.12);
      background: rgba(255,255,255,.72);
      color: var(--text);
      box-shadow: 0 8px 20px rgba(17,24,39,.06);
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      cursor:pointer;
      user-select:none;
      font-size:13px;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow: 0 0 0 4px var(--ring), 0 8px 20px rgba(17,24,39,.08)}
    .btn:hover{transform: translateY(-2px); box-shadow: 0 14px 30px rgba(17,24,39,.10)}
    .btn.primary{
      border-color: rgba(27,92,255,.35);
      background:
        radial-gradient(16px 16px at 20% 20%, rgba(255,255,255,.55), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(27,92,255,.98), rgba(124,58,237,.96));
      color:#fff;
      box-shadow: 0 14px 30px rgba(27,92,255,.22);
    }
    .btn.primary:hover{box-shadow: 0 18px 42px rgba(27,92,255,.28)}
    .btn .icon{
      width:18px; height:18px; display:inline-block;
    }
    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(30,41,59,.12);
      background: rgba(255,255,255,.75);
      box-shadow: 0 8px 20px rgba(17,24,39,.06);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
      align-items:center; justify-content:center;
    }
    .hamburger:hover{transform: translateY(-2px); box-shadow: 0 14px 30px rgba(17,24,39,.10)}
    .hamburger svg{width:18px; height:18px}
    .mobile-panel{
      display:none;
      padding: 10px 0 16px;
    }
    .mobile-panel .panel{
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      border-radius: 18px;
      box-shadow: var(--shadow2);
      padding: 10px;
    }
    .mobile-panel .panel a{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 12px;
      border-radius:14px;
      color: rgba(29,36,51,.90);
      font-size:14px;
      transition: background .2s ease, transform .2s ease;
    }
    .mobile-panel .panel a:hover{background: rgba(27,92,255,.08); transform: translateY(-1px)}
    .mobile-panel .panel .sep{
      height:1px; background: rgba(30,41,59,.08); margin:8px 6px;
    }

    .hero{
      padding: 34px 0 18px;
      position: relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      left:50%; top:-220px;
      width:min(1200px, 140vw);
      height:520px;
      transform: translateX(-50%);
      background:
        radial-gradient(closest-side, rgba(27,92,255,.20), transparent 60%),
        radial-gradient(closest-side, rgba(124,58,237,.18), transparent 62%),
        radial-gradient(closest-side, rgba(255,107,61,.12), transparent 60%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-left{
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.66);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding: 22px;
      position: relative;
      overflow:hidden;
    }
    .hero-left::after{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(480px 260px at 20% 5%, rgba(27,92,255,.14), transparent 55%),
        radial-gradient(420px 260px at 95% 0%, rgba(124,58,237,.16), transparent 50%),
        radial-gradient(380px 240px at 10% 95%, rgba(255,107,61,.12), transparent 55%);
      pointer-events:none;
    }
    .hero-content{
      position: relative;
      z-index:1;
    }
    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom: 12px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(30,41,59,.10);
      color: rgba(29,36,51,.90);
      font-size:12px;
      box-shadow: 0 10px 20px rgba(17,24,39,.05);
    }
    .pill i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, rgba(27,92,255,1), rgba(124,58,237,1));
      box-shadow: 0 0 0 4px rgba(27,92,255,.14);
      display:inline-block;
    }
    h1{
      margin: 0;
      font-size: clamp(22px, 3.1vw, 34px);
      letter-spacing: -.6px;
      line-height: 1.15;
    }
    .lead{
      margin: 12px 0 16px;
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.7;
      max-width: 56ch;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top: 14px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed rgba(30,41,59,.14);
    }
    .trust-item{
      display:flex; align-items:center; gap:10px;
      min-width: 210px;
    }
    .badge{
      width:34px; height:34px; border-radius: 14px;
      border:1px solid rgba(30,41,59,.10);
      background:
        radial-gradient(14px 14px at 20% 20%, rgba(255,255,255,.65), rgba(255,255,255,0) 62%),
        linear-gradient(135deg, rgba(255,255,255,.85), rgba(255,255,255,.55));
      display:grid; place-items:center;
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .badge svg{width:18px; height:18px}
    .trust-item strong{font-size:13px}
    .trust-item span{display:block; font-size:12px; color:var(--muted2); margin-top:2px}

    .hero-right{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .floating-card{
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.70);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding: 16px;
      position: relative;
      overflow:hidden;
    }
    .floating-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(320px 180px at 0% 0%, rgba(27,92,255,.18), transparent 60%),
        radial-gradient(260px 160px at 100% 0%, rgba(124,58,237,.16), transparent 55%);
      pointer-events:none;
    }
    .floating-card .inner{position:relative; z-index:1}
    .metric-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }
    .metric{
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.74);
      border-radius: 18px;
      padding: 12px;
      transition: transform .2s ease, box-shadow .2s ease;
      transform: translateZ(0);
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(17,24,39,.10);
    }
    .metric .top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom: 8px;
    }
    .metric .k{
      font-size:12px; color: var(--muted2);
      display:flex; align-items:center; gap:8px;
    }
    .metric .dot{
      width:9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, rgba(27,92,255,1), rgba(124,58,237,1));
      box-shadow: 0 0 0 4px rgba(27,92,255,.14);
    }
    .metric .v{
      font-size: 20px;
      font-weight: 760;
      letter-spacing: -.4px;
      line-height: 1.1;
    }
    .metric .sub{
      margin-top: 4px;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.4;
    }
    .timeline{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top: 2px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 10px 10px;
      border-radius: 18px;
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.70);
      transition: transform .2s ease, background .2s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.85);
    }
    .step .num{
      width:30px; height:30px; border-radius: 12px;
      background: linear-gradient(135deg, rgba(27,92,255,.95), rgba(124,58,237,.95));
      color:#fff;
      display:grid; place-items:center;
      font-weight: 750;
      box-shadow: 0 16px 32px rgba(27,92,255,.20);
      flex: 0 0 auto;
    }
    .step strong{font-size:13.5px}
    .step p{margin:4px 0 0; color: var(--muted); font-size:12.5px; line-height:1.5}
    .section{
      padding: 22px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size: clamp(18px, 2.2vw, 24px);
      letter-spacing: -.35px;
    }
    .section-head p{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.6;
      max-width: 62ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .card{
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      position: relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.10);
      border-color: rgba(27,92,255,.22);
      background: rgba(255,255,255,.86);
    }
    .card .card-top{
      display:flex; align-items:flex-start; gap:12px;
      margin-bottom: 8px;
    }
    .card .glyph{
      width:40px; height:40px;
      border-radius: 16px;
      border:1px solid rgba(30,41,59,.10);
      background:
        radial-gradient(16px 16px at 25% 25%, rgba(255,255,255,.75), rgba(255,255,255,0) 62%),
        linear-gradient(135deg, rgba(27,92,255,.12), rgba(124,58,237,.10));
      display:grid; place-items:center;
      flex: 0 0 auto;
    }
    .card .glyph svg{width:18px; height:18px}
    .card h3{
      margin: 0;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .card p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.65;
    }
    .chips{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top: 10px;
    }
    .chip{
      font-size: 12px;
      color: rgba(29,36,51,.86);
      background: rgba(27,92,255,.07);
      border: 1px solid rgba(27,92,255,.15);
      padding: 7px 10px;
      border-radius: 999px;
      white-space: nowrap;
    }
    .chip.alt{
      background: rgba(124,58,237,.06);
      border-color: rgba(124,58,237,.16);
    }
    .chip.warm{
      background: rgba(255,107,61,.08);
      border-color: rgba(255,107,61,.18);
    }

    .split{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items: stretch;
    }
    .panel{
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.70);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: var(--shadow);
      overflow:hidden;
      position: relative;
    }
    .panel::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(380px 220px at 10% 0%, rgba(27,92,255,.14), transparent 55%),
        radial-gradient(300px 200px at 95% 15%, rgba(124,58,237,.12), transparent 52%);
      pointer-events:none;
      opacity:.9;
    }
    .panel .inner{position:relative; z-index:1}
    .list{
      margin: 10px 0 0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      padding: 10px 10px;
      border-radius: 18px;
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.74);
      transition: transform .2s ease, background .2s ease;
    }
    .list li:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.88);
    }
    .tick{
      width:20px; height:20px;
      border-radius: 8px;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.28);
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top: 2px;
    }
    .tick svg{width:12px; height:12px; color: rgba(14,165,233,1)}
    .list strong{font-size:13.5px}
    .list span{
      display:block;
      color: var(--muted);
      margin-top: 3px;
      font-size: 12.8px;
      line-height: 1.55;
    }

    .compare{
      overflow:auto;
      border-radius: var(--radius2);
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow);
    }
    table{
      width: 100%;
      border-collapse: collapse;
      min-width: 820px;
      font-size: 13.5px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(30,41,59,.08);
      vertical-align: top;
    }
    th{
      text-align:left;
      color: rgba(29,36,51,.92);
      background:
        linear-gradient(135deg, rgba(27,92,255,.10), rgba(124,58,237,.08));
      font-weight: 750;
    }
    td{color: rgba(29,36,51,.90)}
    .score{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{
      display:inline-flex; gap:4px; align-items:center;
    }
    .star svg{width:18px; height:18px}
    .score strong{font-size:15px}
    .score .note{
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.4;
    }
    .tag-yes{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(14,165,233,.10);
      border: 1px solid rgba(14,165,233,.22);
      color: rgba(8,145,178,1);
      font-size:12.5px;
      white-space: nowrap;
    }
    .tag-good{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(27,92,255,.10);
      border: 1px solid rgba(27,92,255,.22);
      color: rgba(27,92,255,1);
      font-size:12.5px;
      white-space: nowrap;
    }

    .tabs{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-bottom: 12px;
    }
    .tab{
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      color: rgba(29,36,51,.90);
      cursor:pointer;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
      font-size:13px;
      user-select:none;
    }
    .tab:hover{transform: translateY(-2px); background: rgba(255,255,255,.90)}
    .tab.active{
      border-color: rgba(27,92,255,.30);
      background:
        radial-gradient(14px 14px at 20% 20%, rgba(255,255,255,.6), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(27,92,255,.95), rgba(124,58,237,.92));
      color:#fff;
      box-shadow: 0 16px 32px rgba(27,92,255,.18);
    }

    .form-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 12px;
      align-items:start;
    }
    form{
      display:flex;
      flex-direction:column;
      gap: 10px;
      margin: 0;
    }
    .field-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    label{
      font-size:12.8px;
      color: var(--muted2);
      display:block;
      margin-bottom: 6px;
    }
    input, select, textarea{
      width:100%;
      border:1px solid rgba(30,41,59,.12);
      background: rgba(255,255,255,.82);
      border-radius: 14px;
      padding: 12px 12px;
      font-size: 14px;
      color: var(--text);
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
      outline:none;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(27,92,255,.35);
      box-shadow: 0 0 0 4px var(--ring);
    }
    .form-note{
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.6;
      margin-top: 6px;
    }
    .submit-row{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-top: 2px;
    }
    .toast{
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      background: rgba(17,24,39,.92);
      color: #fff;
      padding: 12px 14px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 20px 60px rgba(0,0,0,.22);
      z-index: 80;
      opacity:0; pointer-events:none;
      transition: opacity .25s ease, transform .25s ease;
      max-width: calc(100% - 20px);
    }
    .toast.show{
      opacity:1;
      pointer-events:auto;
      transform: translateX(-50%) translateY(-6px);
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    details{
      border-radius: var(--radius2);
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      overflow:hidden;
      transition: border-color .2s ease, background .2s ease, transform .2s ease;
    }
    details[open]{border-color: rgba(27,92,255,.26); background: rgba(255,255,255,.88)}
    summary{
      list-style:none;
      cursor:pointer;
      padding: 14px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      font-weight: 680;
      font-size: 14px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px; flex: 0 0 auto;
      color: var(--muted2);
      font-weight: 600;
      font-size: 12.5px;
    }
    .chev{
      width:28px; height:28px; border-radius: 12px;
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.75);
      display:grid; place-items:center;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    details .content{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13.3px;
      line-height: 1.7;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .review{
      border-radius: var(--radius2);
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      padding: 14px;
      position: relative;
      overflow:hidden;
    }
    .review::before{
      content:"";
      position:absolute;
      right:-30px; top:-30px;
      width:120px; height:120px;
      background: radial-gradient(closest-side, rgba(27,92,255,.16), transparent 62%);
      pointer-events:none;
    }
    .review .row{display:flex; align-items:flex-start; justify-content:space-between; gap:12px; position:relative; z-index:1}
    .who strong{font-size:14px}
    .who span{display:block; margin-top:4px; color: var(--muted2); font-size:12.5px}
    .review p{margin: 10px 0 0; color: var(--muted); font-size: 13.2px; line-height:1.7; position:relative; z-index:1}

    .cards-wrap{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .case-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 12px;
      align-items: stretch;
    }
    .case-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .case{
      border-radius: var(--radius2);
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      padding: 14px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position: relative;
      overflow:hidden;
    }
    .case:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(17,24,39,.10);
      border-color: rgba(27,92,255,.22);
    }
    .case .k{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 8px;
    }
    .case .k strong{font-size:14px}
    .case .k span{
      font-size:12.2px; color: rgba(27,92,255,1);
      background: rgba(27,92,255,.08);
      border: 1px solid rgba(27,92,255,.18);
      padding: 6px 9px; border-radius: 999px; white-space:nowrap;
    }
    .case p{margin: 0; color: var(--muted); font-size: 13.2px; line-height:1.7}
    .case .meta{
      margin-top: 10px;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .meta .m{
      font-size:12px;
      color: var(--muted2);
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.78);
      padding: 7px 9px;
      border-radius: 999px;
      white-space:nowrap;
    }
    .article-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .article{
      border-radius: var(--radius2);
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      padding: 14px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex; flex-direction:column;
      gap:10px;
    }
    .article:hover{
      transform: translateY(-3px);
      border-color: rgba(124,58,237,.20);
      box-shadow: 0 18px 40px rgba(17,24,39,.10);
    }
    .article .top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .article .cat{
      font-size:12.5px;
      color: rgba(124,58,237,1);
      background: rgba(124,58,237,.08);
      border: 1px solid rgba(124,58,237,.18);
      padding: 7px 10px; border-radius: 999px; white-space:nowrap;
    }
    .article time{color: var(--muted2); font-size: 12.5px; white-space:nowrap}
    .article h3{
      margin: 0;
      font-size: 14.8px;
      letter-spacing: -.2px;
      line-height: 1.4;
    }
    .article p{
      margin: 0;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.7;
      flex:1;
    }
    .article .go{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding-top: 6px;
    }
    .link-arrow{
      display:inline-flex; align-items:center; gap:10px;
      color: rgba(27,92,255,1);
      font-weight: 650;
      font-size: 13.2px;
    }
    .link-arrow svg{width:16px; height:16px}
    .tag-row{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .tiny{
      font-size:12px;
      padding: 6px 9px;
      border-radius: 999px;
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.78);
      color: var(--muted2);
      white-space: nowrap;
    }

    .footer{
      margin-top: 10px;
      background:
        radial-gradient(800px 380px at 0% 0%, rgba(27,92,255,.14), transparent 55%),
        radial-gradient(720px 420px at 100% 20%, rgba(124,58,237,.12), transparent 55%),
        linear-gradient(180deg, #f6f1e7, #fff);
      border-top: 1px solid rgba(30,41,59,.10);
    }
    .footer-inner{
      padding: 18px 0 16px;
    }
    .footer-top{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius2);
      border:1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow2);
      padding: 14px;
    }
    .foot-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom: 10px;
    }
    .foot-title strong{font-size:14.8px}
    .foot-title span{
      color: rgba(27,92,255,1);
      font-weight: 700;
      font-size: 12.5px;
      background: rgba(27,92,255,.08);
      border: 1px solid rgba(27,92,255,.18);
      padding: 7px 10px;
      border-radius: 999px;
      white-space: nowrap;
    }
    .contact-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .contact{
      border-radius: 18px;
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.78);
      padding: 10px 10px;
    }
    .contact label{margin:0; font-size:12.5px}
    .contact .val{
      margin-top: 6px;
      font-size: 13.5px;
      color: rgba(29,36,51,.92);
      line-height:1.4;
      word-break: break-word;
    }
    .kefu-wrap{
      display:flex; align-items:flex-start; gap:12px;
    }
    .qr{
      width: 104px; height: 104px;
      border-radius: 18px;
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.85);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 12px 26px rgba(17,24,39,.08);
      overflow:hidden;
      flex:0 0 auto;
    }
    .qr img{width:100%; height:100%; object-fit:cover}
    .kefu-text strong{font-size:14px}
    .kefu-text p{margin: 6px 0 0; color: var(--muted); font-size: 13.2px; line-height:1.6}
    .kefu-actions{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top: 10px;
    }

    .footer-links{
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .fl-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 2px;
    }
    .fl-title strong{font-size:14.8px}
    .friend{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .friend a{
      font-size: 13px;
      color: rgba(29,36,51,.90);
      padding: 10px 10px;
      border-radius: 14px;
      border: 1px solid rgba(30,41,59,.10);
      background: rgba(255,255,255,.78);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      white-space: nowrap;
    }
    .friend a:hover{
      transform: translateY(-2px);
      border-color: rgba(27,92,255,.22);
      box-shadow: 0 14px 30px rgba(17,24,39,.10);
    }
    .footer-bottom{
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid rgba(30,41,59,.08);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color: var(--muted);
      font-size: 12.8px;
    }
    .foot-actions{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .foot-actions a{
      color: rgba(27,92,255,1);
      padding: 8px 10px;
      border-radius: 14px;
      border: 1px solid rgba(27,92,255,.18);
      background: rgba(27,92,255,.06);
      transition: transform .2s ease, background .2s ease;
      font-size: 12.8px;
    }
    .foot-actions a:hover{transform: translateY(-2px); background: rgba(27,92,255,.10)}

    .float-kefu{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 70;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      border-radius: 18px;
      border: 1px solid rgba(30,41,59,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 50px rgba(17,24,39,.16);
      padding: 10px 12px;
      cursor:pointer;
      display:flex; align-items:center; gap:10px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      user-select:none;
      max-width: 220px;
    }
    .float-btn:hover{transform: translateY(-3px)}
    .float-btn .ico{
      width:36px; height:36px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(27,92,255,.95), rgba(124,58,237,.95));
      display:grid; place-items:center;
      box-shadow: 0 16px 32px rgba(27,92,255,.22);
      flex:0 0 auto;
    }
    .float-btn .ico svg{width:18px; height:18px; color:#fff}
    .float-btn strong{font-size:13.5px}
    .float-btn span{display:block; margin-top:2px; font-size:12.2px; color: var(--muted2); line-height:1.2}
    .backtop{
      width:46px; height:46px;
      border-radius: 18px;
      border: 1px solid rgba(30,41,59,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 50px rgba(17,24,39,.16);
      display:grid; place-items:center;
      cursor:pointer;
      transition: transform .2s ease, background .2s ease;
    }
    .backtop:hover{transform: translateY(-3px)}
    .backtop svg{width:18px; height:18px}

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
      will-change: opacity, transform;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .hero-right{order:2}
      .hero-left{order:1}
      .grid-3{grid-template-columns:1fr; }
      .split{grid-template-columns:1fr; }
      .faq{grid-template-columns:1fr; }
      .reviews{grid-template-columns:1fr; }
      .article-grid{grid-template-columns:1fr; }
      .case-grid{grid-template-columns:1fr; }
      .case-list{grid-template-columns:1fr; }
      .form-grid{grid-template-columns:1fr; }
      .field-row{grid-template-columns:1fr; }
      .footer-top{grid-template-columns:1fr; }
      .contact-grid{grid-template-columns:1fr; }
      nav .menu{display:none}
      .nav-actions .btn.hide-sm{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
    }
    @media (max-width: 520px){
      .nav-actions{min-width: auto}
      .brand{min-width:auto}
      .hero-left{padding: 16px}
      .metric-grid{grid-template-columns:1fr}
      .trust-item{min-width:auto}
      .hero-cta .btn{width:100%}
      .float-kefu{right:10px; bottom:10px}
      .float-btn{max-width: 180px}
    }
    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .reveal{transition:none}
      header{backdrop-filter:none}
      .btn, .card, .metric, .step, .tab, details, .article, .case{transition:none}
    }