:root{
      --bg0:#f6f8ff;
      --bg1:#ffffff;
      --ink:#0b1220;
      --muted:#4a5568;
      --muted2:#6b778c;
      --line:rgba(12,32,64,.12);
      --blue:#0b5cff;
      --blue2:#0a3ea8;
      --teal:#0aa7ff;
      --card:#ffffff;
      --card2:#f3f6ff;
      --shadow:0 10px 30px rgba(9, 39, 98, .10);
      --shadow2:0 8px 18px rgba(9, 39, 98, .10);
      --radius:18px;
      --radius2:14px;
      --container:1120px;
      --focus:0 0 0 4px rgba(11,92,255,.16);
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", Arial, sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 650px at 15% -10%, rgba(11,92,255,.14), transparent 55%),
        radial-gradient(900px 540px at 90% 10%, rgba(10,167,255,.14), transparent 55%),
        linear-gradient(180deg, #eef3ff 0%, var(--bg0) 40%, #ffffff 100%);
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 20px;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(246,248,255,.72);
      border-bottom:1px solid rgba(12,32,64,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:14px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:220px;
    }
    .ai-page-logo{
      width:120px;
      height:auto;
      display:block;
      border-radius:10px;
      background:linear-gradient(135deg, rgba(11,92,255,.12), rgba(10,167,255,.10));
      padding:8px;
      border:1px solid rgba(11,92,255,.14);
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px; color:var(--muted2);
      margin-top:4px;
      white-space:nowrap;
    }
    .nav-right{
      display:flex; align-items:center; justify-content:flex-end; gap:10px;
      flex:1;
    }
    .nav-links{
      display:flex; gap:12px; align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:rgba(11,18,32,.86);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .nav-links a:hover{
      background:rgba(11,92,255,.08);
      border-color:rgba(11,92,255,.18);
      transform:translateY(-1px);
    }

    .btn{
      appearance:none; border:0; cursor:pointer;
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      text-decoration:none;
      padding:11px 14px;
      border-radius:12px;
      font-weight:700;
      font-size:14px;
      transition:transform .15s ease, box-shadow .2s ease, background .15s ease, border-color .15s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow:var(--focus)}
    .btn-primary{
      background:linear-gradient(135deg, var(--blue) 0%, #1d7bff 55%, var(--teal) 140%);
      color:white;
      box-shadow:0 14px 30px rgba(11,92,255,.20);
      border:1px solid rgba(255,255,255,.18);
    }
    .btn-primary:hover{transform:translateY(-1px)}
    .btn-ghost{
      background:rgba(255,255,255,.65);
      border:1px solid rgba(12,32,64,.12);
      color:rgba(11,18,32,.9);
    }
    .btn-ghost:hover{transform:translateY(-1px); box-shadow:var(--shadow2)}
    .btn-small{
      padding:10px 12px; border-radius:11px; font-size:13px; font-weight:700;
    }

    .menu-btn{
      display:none;
      width:42px; height:42px;
      border-radius:12px;
      border:1px solid rgba(12,32,64,.12);
      background:rgba(255,255,255,.7);
      cursor:pointer;
      transition:transform .15s ease, box-shadow .2s ease;
    }
    .menu-btn:hover{transform:translateY(-1px); box-shadow:var(--shadow2)}
    .menu-btn:focus{outline:none; box-shadow:var(--focus)}
    .burger{
      width:18px; height:12px; margin:0 auto; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px;
      background:rgba(11,18,32,.85);
      border-radius:2px;
      transition:transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .menu-open .burger span:nth-child(1){top:5px; transform:rotate(45deg)}
    .menu-open .burger span:nth-child(2){opacity:0}
    .menu-open .burger span:nth-child(3){top:5px; transform:rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding:10px 0 16px;
      border-top:1px solid rgba(12,32,64,.08);
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-links a{
      text-decoration:none;
      font-weight:650;
      font-size:14px;
      padding:12px 12px;
      border-radius:12px;
      border:1px solid rgba(12,32,64,.12);
      background:rgba(255,255,255,.7);
    }
    .mobile-links a:focus{outline:none; box-shadow:var(--focus)}

    main{padding-bottom:26px}
    section{padding:56px 0}
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:18px;
      margin-bottom:18px;
    }
    .kicker{
      display:inline-flex; gap:10px; align-items:center;
      color:rgba(11,92,255,.92);
      font-weight:800;
      letter-spacing:.2px;
      font-size:12.5px;
      text-transform:none;
    }
    .kicker .dot{
      width:10px; height:10px; border-radius:999px;
      background:linear-gradient(135deg, rgba(11,92,255,1), rgba(10,167,255,1));
      box-shadow:0 0 0 5px rgba(11,92,255,.12);
    }
    h1{
      margin:0;
      font-size:40px;
      letter-spacing:-.6px;
      line-height:1.12;
    }
    h2{
      margin:0;
      font-size:26px;
      letter-spacing:-.4px;
      line-height:1.25;
    }
    p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:15px;
    }
    .lead{
      font-size:16px;
      color:rgba(11,18,32,.78);
    }
    .hero{
      padding:42px 0 30px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(900px 420px at 18% 35%, rgba(11,92,255,.20), transparent 62%),
        radial-gradient(750px 380px at 90% 10%, rgba(10,167,255,.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.28), rgba(255,255,255,0));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap:22px;
      align-items:start;
    }
    .hero-card{
      background:rgba(255,255,255,.70);
      border:1px solid rgba(11,92,255,.14);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:22px;
      overflow:hidden;
    }
    .hero-card::after{
      content:"";
      position:absolute;
      width:520px; height:520px;
      right:-220px; top:-240px;
      background:conic-gradient(from 180deg, rgba(11,92,255,.18), rgba(10,167,255,.10), rgba(11,92,255,.18));
      filter:blur(22px);
      opacity:.6;
      pointer-events:none;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px;
      margin-top:18px;
      align-items:center;
    }
    .badge-row{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:14px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(12,32,64,.12);
      background:rgba(255,255,255,.65);
      color:rgba(11,18,32,.88);
      font-weight:700;
      font-size:13px;
    }
    .badge svg{opacity:.95}
    .hero-side{
      display:flex; flex-direction:column; gap:14px;
    }
    .glass{
      background:rgba(255,255,255,.64);
      border:1px solid rgba(12,32,64,.10);
      border-radius:var(--radius);
      box-shadow:0 10px 24px rgba(9,39,98,.08);
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .glass::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(360px 180px at 20% 10%, rgba(11,92,255,.18), transparent 60%),
        radial-gradient(380px 210px at 90% 20%, rgba(10,167,255,.14), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .glass > *{position:relative}
    .stat-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:10px;
    }
    .stat{
      padding:14px 12px;
      border-radius:14px;
      border:1px solid rgba(11,92,255,.14);
      background:linear-gradient(180deg, rgba(255,255,255,.7), rgba(243,246,255,.7));
      transition:transform .18s ease, box-shadow .2s ease;
    }
    .stat:hover{transform:translateY(-2px); box-shadow:0 16px 34px rgba(11,92,255,.14)}
    .stat .num{
      font-size:20px;
      font-weight:900;
      letter-spacing:-.2px;
    }
    .stat .label{
      margin-top:6px;
      font-size:12.5px;
      color:rgba(11,18,32,.74);
      font-weight:700;
      line-height:1.4;
    }
    .pill-list{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .pill{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(12,32,64,.12);
      background:rgba(255,255,255,.65);
      color:rgba(11,18,32,.78);
      font-size:12.5px;
      font-weight:750;
    }

    .grid-2{
      display:grid; grid-template-columns: 1fr 1fr; gap:18px;
      align-items:start;
    }
    .grid-3{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px;
    }
    .grid-4{
      display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:12px;
    }
    .card{
      background:var(--card);
      border:1px solid rgba(12,32,64,.10);
      border-radius:var(--radius);
      box-shadow:0 10px 24px rgba(9,39,98,.06);
      padding:18px;
      transition:transform .18s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 40px rgba(9,39,98,.12);
      border-color:rgba(11,92,255,.22);
    }
    .card .title{
      font-weight:900;
      font-size:15.5px;
      letter-spacing:-.2px;
      margin-top:10px;
    }
    .card .desc{
      margin-top:8px;
      color:rgba(11,18,32,.72);
      font-size:14px;
      line-height:1.7;
    }
    .icon{
      width:40px; height:40px; border-radius:14px;
      background:linear-gradient(135deg, rgba(11,92,255,.15), rgba(10,167,255,.12));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
    }

    .timeline{
      display:grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap:12px;
    }
    .step{
      padding:14px 12px;
      border-radius:16px;
      border:1px solid rgba(12,32,64,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(243,246,255,.72));
      position:relative;
      overflow:hidden;
    }
    .step::after{
      content:"";
      position:absolute; left:-40px; top:-40px;
      width:110px; height:110px;
      background:radial-gradient(circle at 30% 30%, rgba(11,92,255,.20), transparent 60%);
      opacity:.9;
      pointer-events:none;
    }
    .step .tag{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:900; color:rgba(11,92,255,.95); font-size:12px;
    }
    .step .tag .rank{
      width:26px; height:26px; border-radius:10px;
      display:inline-flex; align-items:center; justify-content:center;
      background:rgba(11,92,255,.10);
      border:1px solid rgba(11,92,255,.18);
      color:rgba(11,92,255,.98);
      font-weight:950;
      font-size:12px;
    }
    .step .s-title{
      margin-top:10px;
      font-weight:950;
      letter-spacing:-.2px;
      font-size:14.5px;
      position:relative;
    }
    .step .s-desc{
      margin-top:7px;
      color:rgba(11,18,32,.74);
      font-size:13.5px;
      line-height:1.65;
      position:relative;
    }

    .compare-wrap{
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.70);
      border-radius:var(--radius);
      box-shadow:var(--shadow2);
      padding:16px;
      overflow:hidden;
    }
    .rating-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
      padding:4px 2px 12px;
    }
    .rating-left{
      display:flex; gap:14px; align-items:flex-start;
    }
    .stars{
      width:52px; height:52px; border-radius:16px;
      background:linear-gradient(135deg, rgba(11,92,255,.18), rgba(10,167,255,.12));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      position:relative;
      overflow:hidden;
    }
    .stars svg{filter:drop-shadow(0 8px 18px rgba(11,92,255,.18))}
    .rating-meta strong{
      font-size:18px; letter-spacing:-.2px;
    }
    .rating-meta .sub{
      margin-top:6px;
      color:rgba(11,18,32,.72);
      font-weight:750;
      font-size:13.5px;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:14px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.85);
    }
    th,td{
      text-align:left;
      padding:12px 12px;
      border-bottom:1px solid rgba(12,32,64,.08);
      vertical-align:top;
      font-size:13.5px;
    }
    th{
      background:linear-gradient(180deg, rgba(238,243,255,.9), rgba(255,255,255,.9));
      color:rgba(11,18,32,.9);
      font-weight:950;
    }
    tr:last-child td{border-bottom:0}
    .score{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }
    .score .bar{
      flex:1;
      min-width:160px;
      height:10px; border-radius:999px;
      background:rgba(12,32,64,.08);
      border:1px solid rgba(12,32,64,.06);
      overflow:hidden;
    }
    .score .fill{
      height:100%;
      width: var(--w, 80%);
      background:linear-gradient(90deg, rgba(11,92,255,.95), rgba(10,167,255,.85));
      border-radius:999px;
    }
    .score .v{
      font-weight:950;
      color:rgba(11,18,32,.92);
      white-space:nowrap;
    }

    .faq{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
      align-items:start;
    }
    .faq-item{
      border-radius:16px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 12px 26px rgba(9,39,98,.06);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      text-align:left;
      padding:14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      background:transparent;
      border:0;
      cursor:pointer;
      font-weight:950;
      letter-spacing:-.2px;
      color:rgba(11,18,32,.95);
      font-size:14.5px;
    }
    .faq-q:focus{outline:none; box-shadow:var(--focus)}
    .chev{
      flex:0 0 auto;
      width:34px; height:34px;
      border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(243,246,255,.75);
      transition:transform .18s ease, background .18s ease;
      margin-top:-2px;
    }
    .faq-item[data-open="true"] .chev{transform:rotate(180deg); background:rgba(11,92,255,.10)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
    }
    .faq-item[data-open="true"] .faq-a{max-height:240px}
    .faq-a .inner{
      padding:0 14px 14px;
      color:rgba(11,18,32,.76);
      line-height:1.75;
      font-size:14px;
    }

    .reviews{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:12px;
    }
    .review{
      padding:16px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.76);
      border:1px solid rgba(12,32,64,.10);
      box-shadow:0 12px 26px rgba(9,39,98,.06);
      transition:transform .18s ease, box-shadow .2s ease;
    }
    .review:hover{transform:translateY(-2px); box-shadow:0 18px 40px rgba(9,39,98,.10)}
    .review .top{
      display:flex; align-items:center; gap:12px;
    }
    .avatar{
      width:42px; height:42px;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(11,92,255,.18), rgba(10,167,255,.12));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color:rgba(11,92,255,.95);
    }
    .review .who{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .review .who strong{
      font-size:14.5px; letter-spacing:-.2px;
    }
    .review .who span{
      color:rgba(11,18,32,.70);
      font-size:12.5px; font-weight:800;
      margin-top:6px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:190px;
    }
    .review .quote{
      margin-top:12px;
      color:rgba(11,18,32,.76);
      line-height:1.75;
      font-size:14px;
    }

    .cases{
      display:grid; grid-template-columns: 1.2fr .8fr; gap:14px; align-items:start;
    }
    .case-list{
      display:grid; gap:12px;
    }
    .case{
      border-radius:18px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.78);
      padding:14px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .case .mini{
      width:46px; height:46px;
      border-radius:18px;
      background:linear-gradient(135deg, rgba(11,92,255,.16), rgba(10,167,255,.10));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .case .ct{
      display:flex; flex-direction:column; gap:6px;
    }
    .case .ct strong{
      font-size:14.5px; letter-spacing:-.2px;
    }
    .case .ct .meta{
      font-size:12.5px;
      color:rgba(11,18,32,.68);
      font-weight:800;
    }
    .case .ct .bul{
      color:rgba(11,18,32,.76);
      font-size:13.5px;
      line-height:1.6;
    }
    .case .right{
      margin-left:auto;
      display:flex; flex-direction:column; align-items:flex-end; gap:10px;
      min-width:120px;
    }
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(11,92,255,.18);
      background:rgba(11,92,255,.08);
      font-weight:900;
      font-size:12.5px;
      color:rgba(11,92,255,.98);
      white-space:nowrap;
    }
    .link-like{
      text-decoration:none;
      font-weight:900;
      font-size:13.5px;
      color:rgba(11,92,255,.95);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid rgba(11,92,255,.18);
      background:rgba(255,255,255,.68);
      transition:transform .15s ease, box-shadow .2s ease;
    }
    .link-like:hover{transform:translateY(-1px); box-shadow:0 14px 30px rgba(11,92,255,.14)}

    .side-media{
      border-radius:var(--radius);
      border:1px solid rgba(12,32,64,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(243,246,255,.70));
      box-shadow:0 12px 26px rgba(9,39,98,.06);
      overflow:hidden;
      padding:14px;
    }
    .side-media .m-title{
      font-weight:1000;
      letter-spacing:-.2px;
      font-size:14.5px;
      margin-bottom:10px;
    }
    .media-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
    }
    .img-box{
      border-radius:16px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.72);
      overflow:hidden;
      padding:8px;
    }
    .img-box img{
      width:100%;
      height:auto;
      display:block;
      border-radius:12px;
      object-fit:contain;
    }
    .small-note{
      margin-top:10px;
      color:rgba(11,18,32,.72);
      font-size:12.5px;
      line-height:1.6;
      font-weight:800;
    }

    .articles{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .article-list{
      border-radius:var(--radius);
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.76);
      box-shadow:0 12px 26px rgba(9,39,98,.06);
      padding:14px;
      overflow:hidden;
    }
    .article-list header{
      position:static;
      backdrop-filter:none;
      background:transparent;
      border:0;
    }
    .article-list .head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:10px;
    }
    .article-list .head strong{
      font-size:15px; letter-spacing:-.2px;
      font-weight:1000;
    }
    .article-list .head span{
      color:rgba(11,18,32,.68);
      font-size:12.5px; font-weight:900;
      white-space:nowrap;
    }
    .article-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 10px;
      border-radius:16px;
      border:1px solid rgba(12,32,64,.08);
      background:rgba(243,246,255,.62);
      margin-top:10px;
      transition:transform .18s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .article-item:hover{
      transform:translateY(-2px);
      border-color:rgba(11,92,255,.20);
      box-shadow:0 16px 34px rgba(9,39,98,.12);
    }
    .article-item .badge2{
      width:42px; height:42px; border-radius:16px;
      background:linear-gradient(135deg, rgba(11,92,255,.16), rgba(10,167,255,.10));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:rgba(11,92,255,.95);
      font-weight:1000;
    }
    .article-item .at{
      display:flex; flex-direction:column; gap:6px; min-width:0;
    }
    .article-item .at strong{
      font-size:14.2px; letter-spacing:-.2px;
      line-height:1.25;
      overflow:hidden;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
    }
    .article-item .at span{
      color:rgba(11,18,32,.66);
      font-size:12.5px;
      font-weight:900;
    }

    .form-card{
      border-radius:var(--radius);
      background:rgba(255,255,255,.76);
      border:1px solid rgba(12,32,64,.10);
      box-shadow:0 12px 26px rgba(9,39,98,.06);
      padding:16px;
    }
    form{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
      margin-top:10px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-weight:950;
      font-size:13.5px;
      color:rgba(11,18,32,.9);
    }
    .field input, .field select, .field textarea{
      width:100%;
      padding:11px 12px;
      border-radius:12px;
      border:1px solid rgba(12,32,64,.12);
      background:rgba(255,255,255,.85);
      font-size:14px;
      color:rgba(11,18,32,.92);
      transition:box-shadow .2s ease, border-color .2s ease, transform .15s ease;
    }
    .field input:focus, .field select:focus, .field textarea:focus{
      outline:none;
      box-shadow:var(--focus);
      border-color:rgba(11,92,255,.35);
      transform:translateY(-1px);
    }
    .field textarea{min-height:108px; resize:vertical}
    .form-foot{
      grid-column:1 / -1;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top:2px;
      flex-wrap:wrap;
    }
    .hint{
      color:rgba(11,18,32,.68);
      font-weight:800;
      font-size:12.5px;
      line-height:1.5;
    }

    .partner-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
      margin-top:12px;
    }
    .cloud-item{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.70);
      font-size:13px;
      color:rgba(11,18,32,.78);
      font-weight:900;
      transition:transform .18s ease;
    }
    .cloud-item:hover{transform:translateY(-2px)}
    .network{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px; align-items:start;
    }
    .list-card ul{
      margin:10px 0 0; padding:0; list-style:none;
      display:grid; gap:10px;
    }
    .list-card li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(243,246,255,.58);
    }
    .check{
      width:22px; height:22px; border-radius:8px;
      background:rgba(11,92,255,.10);
      border:1px solid rgba(11,92,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .list-card li strong{
      font-size:13.8px; font-weight:1000; letter-spacing:-.2px;
    }
    .list-card li span{
      display:block;
      margin-top:6px;
      color:rgba(11,18,32,.70);
      font-size:13px;
      line-height:1.6;
      font-weight:800;
    }

    .footer{
      background:linear-gradient(180deg, rgba(12,32,64,.03), rgba(12,32,64,.06));
      border-top:1px solid rgba(12,32,64,.10);
      padding:24px 0;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.1fr .9fr; gap:14px; align-items:start;
    }
    .foot-card{
      border-radius:var(--radius);
      background:rgba(255,255,255,.74);
      border:1px solid rgba(12,32,64,.10);
      box-shadow:0 12px 26px rgba(9,39,98,.06);
      padding:14px;
    }
    .foot-title{
      font-weight:1000; letter-spacing:-.2px; font-size:14.8px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .foot-links{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .foot-links a{
      text-decoration:none;
      font-weight:950;
      font-size:13px;
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.78);
      transition:transform .15s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .foot-links a:hover{
      transform:translateY(-1px);
      border-color:rgba(11,92,255,.22);
      box-shadow:0 14px 30px rgba(9,39,98,.10);
    }
    .copy{
      margin-top:14px;
      color:rgba(11,18,32,.64);
      font-size:12.5px;
      font-weight:850;
      line-height:1.7;
    }
    .foot-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .kefu-row{
      display:flex; gap:12px; align-items:flex-start; flex-wrap:wrap;
    }
    .kefu-row img{
      width:96px; height:auto; border-radius:16px;
      border:1px solid rgba(12,32,64,.10);
      background:rgba(255,255,255,.78);
      padding:8px;
    }
    .kefu-row .kmeta{
      flex:1;
      min-width:220px;
    }
    .kmeta .line{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-top:8px;
      color:rgba(11,18,32,.72);
      font-weight:900;
      font-size:13.5px;
    }
    .kmeta .line a{
      color:rgba(11,92,255,.95);
      text-decoration:none;
      border-bottom:1px dashed rgba(11,92,255,.35);
    }

    .float-kefu{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-kefu .bubble{
      pointer-events:auto;
      display:flex; gap:10px; align-items:center;
      padding:10px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(12,32,64,.12);
      box-shadow:0 18px 40px rgba(9,39,98,.12);
      transform:translateY(6px);
      opacity:.0;
      transition:opacity .25s ease, transform .25s ease;
    }
    .float-kefu.show .bubble{
      opacity:1;
      transform:translateY(0);
    }
    .bubble .b-dot{
      width:10px; height:10px; border-radius:999px;
      background:linear-gradient(135deg, var(--blue), var(--teal));
      box-shadow:0 0 0 5px rgba(11,92,255,.12);
    }
    .bubble span{
      font-weight:950; color:rgba(11,18,32,.86); font-size:13.5px;
    }
    .float-kefu .qr{
      pointer-events:auto;
      width:52px; height:52px;
      border-radius:18px;
      background:linear-gradient(135deg, rgba(11,92,255,.18), rgba(10,167,255,.12));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 18px 40px rgba(9,39,98,.12);
      transition:transform .15s ease, box-shadow .2s ease;
      cursor:pointer;
    }
    .float-kefu .qr:hover{
      transform:translateY(-2px);
      box-shadow:0 22px 54px rgba(9,39,98,.16);
    }
    .qr:focus{outline:none; box-shadow:var(--focus)}
    .qr img{
      width:0; height:0; display:none;
    }

    .to-top{
      pointer-events:auto;
      width:44px; height:44px; border-radius:16px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(12,32,64,.12);
      box-shadow:0 18px 40px rgba(9,39,98,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .2s ease, opacity .2s ease;
      opacity:0;
      transform:translateY(8px);
    }
    .float-kefu.show .to-top{
      opacity:1;
      transform:translateY(0);
    }
    .to-top:hover{transform:translateY(-2px); box-shadow:0 22px 54px rgba(9,39,98,.16)}
    .to-top:focus{outline:none; box-shadow:var(--focus)}

    .sr-only{
      position:absolute !important;
      width:1px !important;
      height:1px !important;
      padding:0 !important;
      margin:-1px !important;
      overflow:hidden !important;
      clip:rect(0,0,0,0) !important;
      border:0 !important;
    }

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

    .anchor{
      scroll-margin-top:92px;
    }

    @media (max-width: 980px){
      h1{font-size:34px}
      .hero-grid{grid-template-columns: 1fr; gap:14px}
      .timeline{grid-template-columns: repeat(3, minmax(0,1fr))}
      .faq{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .grid-3{grid-template-columns: 1fr 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .cases{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
    }
    @media (max-width: 760px){
      .nav-links{display:none}
      .menu-btn{display:inline-flex; align-items:center; justify-content:center}
      .mobile-panel{display:block}
      .hero{padding-top:26px}
      h1{font-size:30px}
      section{padding:44px 0}
      .grid-2{grid-template-columns:1fr}
      .grid-3{grid-template-columns:1fr}
      .grid-4{grid-template-columns:1fr}
      .timeline{grid-template-columns: 1fr}
      form{grid-template-columns:1fr}
      .rating-head{flex-direction:column}
      table{display:block; overflow:auto; white-space:nowrap}
      .score .bar{min-width:160px}
      .article-item{flex-direction:column}
      .case{flex-direction:column}
      .case .right{margin-left:0; align-items:flex-start; min-width:0}
    }