:root{
      --bg0:#f7f7fb;
      --bg1:#ffffff;
      --text:#1b1f2a;
      --muted:#5a667a;
      --muted2:#7a869c;
      --line:rgba(27,31,42,.12);
      --card:#ffffff;
      --shadow:0 18px 50px rgba(18,24,40,.08);
      --shadow2:0 10px 26px rgba(18,24,40,.08);
      --radius:18px;
      --radius2:14px;

      --brand1:#4f46e5;
      --brand2:#06b6d4;
      --brand3:#f97316;
      --brand4:#22c55e;
      --brand5:#eab308;

      --btn:#0f172a;
      --btnText:#ffffff;
      --btn2:rgba(15,23,42,.08);

      --focus:rgba(79,70,229,.35);
      --max:1160px;

      --chipBg:rgba(79,70,229,.08);
      --chipLine:rgba(79,70,229,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    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(--text);
      background:
        radial-gradient(900px 420px at 12% -10%, rgba(79,70,229,.16), transparent 55%),
        radial-gradient(800px 420px at 90% 8%, rgba(6,182,212,.14), transparent 55%),
        radial-gradient(600px 320px at 35% 60%, rgba(249,115,22,.10), transparent 55%),
        linear-gradient(180deg, #f6f7ff 0%, #f8fafc 35%, #ffffff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 18px;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(255,255,255,.72);
      border-bottom:1px solid rgba(27,31,42,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:220px;
    }
    .ai-page-logo{
      width:44px;
      height:auto;
      display:block;
      border-radius:12px;
      box-shadow:0 10px 20px rgba(79,70,229,.18);
      background:#fff;
      padding:6px;
    }
    .brand-meta{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-name{
      font-weight:850;
      letter-spacing:.2px;
      font-size:14.5px;
    }
    .brand-sub{
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(27,31,42,.86);
      padding:9px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(79,70,229,.06);
      border-color:rgba(79,70,229,.18);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
      margin-left:8px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      border-radius:14px;
      padding:11px 14px;
      border:1px solid transparent;
      cursor:pointer;
      user-select:none;
      transition:transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
      font-weight:750;
      font-size:13.5px;
    }
    .btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus)}
    .btn-primary{
      background:linear-gradient(135deg, rgba(79,70,229,.95), rgba(6,182,212,.95));
      color:var(--btnText);
      box-shadow:0 18px 40px rgba(79,70,229,.18);
      border-color:rgba(255,255,255,.25);
    }
    .btn-primary:hover{transform: translateY(-1px)}
    .btn-ghost{
      background:rgba(15,23,42,.06);
      border-color:rgba(15,23,42,.10);
      color:rgba(15,23,42,.92);
    }
    .btn-ghost:hover{
      transform: translateY(-1px);
      background:rgba(15,23,42,.08);
      border-color:rgba(15,23,42,.16);
    }

    .mobile-toggle{display:none}
    .mobile-drawer{
      display:none;
      border-top:1px solid rgba(27,31,42,.08);
      padding:10px 0 14px;
    }
    .mobile-drawer a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.75);
      margin-top:10px;
      color:rgba(27,31,42,.92);
    }
    .drawer-inner{
      display:grid; gap:10px;
    }

    header{
      padding:26px 0 8px;
    }
    .hero{
      position:relative;
      padding:34px 0 12px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      position:relative;
      border-radius:26px;
      padding:26px 22px;
      overflow:hidden;
      background:
        radial-gradient(900px 360px at 5% 0%, rgba(79,70,229,.22), transparent 60%),
        radial-gradient(900px 360px at 100% 15%, rgba(6,182,212,.18), transparent 55%),
        radial-gradient(700px 320px at 25% 95%, rgba(249,115,22,.14), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
      border:1px solid rgba(27,31,42,.10);
      box-shadow:var(--shadow);
      min-height:392px;
    }
    .hero-left:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(79,70,229,.35), rgba(6,182,212,.20), rgba(249,115,22,.18));
      opacity:.22;
      filter: blur(18px);
      pointer-events:none;
    }
    .hero-content{position:relative; z-index:2}
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(79,70,229,.18);
      background:rgba(79,70,229,.08);
      color:rgba(27,31,42,.9);
      font-weight:700;
      font-size:12.8px;
      letter-spacing:.2px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow:0 0 0 6px rgba(79,70,229,.12);
    }
    h1{
      margin:14px 0 10px;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.6px;
    }
    .lead{
      color:var(--muted);
      font-size:15.5px;
      line-height:1.7;
      margin:0 0 18px;
      max-width:66ch;
    }
    .hero-actions{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      margin-bottom:16px;
    }
    .action-note{
      display:flex; align-items:center; gap:10px;
      color:rgba(27,31,42,.78);
      font-size:13px;
      margin-top:10px;
    }
    .badge-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:12px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:9px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(27,31,42,.10);
      font-size:13px;
      color:rgba(27,31,42,.88);
      transition:transform .16s ease, border-color .16s ease;
      backdrop-filter: blur(6px);
    }
    .chip:hover{transform: translateY(-1px); border-color:rgba(79,70,229,.22)}
    .chip svg{flex:0 0 auto}

    .hero-right{
      border-radius:26px;
      padding:18px 16px;
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      border:1px solid rgba(27,31,42,.10);
      box-shadow:var(--shadow2);
      min-height:392px;
      display:flex;
      flex-direction:column;
      gap:14px;
      position:relative;
      overflow:hidden;
    }
    .hero-right:after{
      content:"";
      position:absolute; inset:-80px -60px auto auto;
      width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(34,197,94,.22), transparent 60%);
      filter: blur(8px);
      pointer-events:none;
    }
    .hero-right-inner{position:relative; z-index:2}
    .mini-title{
      font-weight:860;
      letter-spacing:.2px;
      margin:2px 0 2px;
      font-size:14.5px;
    }
    .mini-sub{
      margin:0 0 10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:6px;
    }
    .data-card{
      background:rgba(255,255,255,.70);
      border:1px solid rgba(27,31,42,.10);
      border-radius:16px;
      padding:12px 12px;
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      backdrop-filter: blur(6px);
      min-height:88px;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow:0 16px 36px rgba(15,23,42,.10);
      border-color:rgba(79,70,229,.22);
    }
    .data-num{
      font-weight:920;
      font-size:20px;
      letter-spacing:-.4px;
      margin-bottom:6px;
      display:flex; align-items:baseline; gap:8px;
    }
    .data-num span{
      font-size:12px; color:var(--muted2); font-weight:800; letter-spacing:.2px;
    }
    .data-label{
      color:rgba(27,31,42,.82);
      font-size:13px; line-height:1.35;
      font-weight:720;
    }

    .section{
      padding:26px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    .section-title{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-desc{
      margin:6px 0 0;
      color:var(--muted);
      line-height:1.7;
      font-size:14.5px;
      max-width:68ch;
    }
    .section-actions{
      display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end;
    }
    .pill{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.72);
      color:rgba(27,31,42,.88);
      font-size:13px;
      font-weight:760;
      display:inline-flex;
      align-items:center;
      gap:9px;
      transition:transform .16s ease, border-color .16s ease;
      white-space:nowrap;
      cursor:pointer;
    }
    .pill:hover{transform: translateY(-1px); border-color:rgba(79,70,229,.22)}
    .pill .spark{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, rgba(249,115,22,.95), rgba(234,179,8,.95));
      box-shadow:0 0 0 6px rgba(249,115,22,.12);
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:12px;
    }
    .card{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(27,31,42,.10);
      border-radius:var(--radius);
      padding:16px 16px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color:rgba(79,70,229,.22);
      box-shadow:0 16px 40px rgba(15,23,42,.10);
    }
    .card h3{
      margin:10px 0 8px;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      line-height:1.7;
      font-size:13.8px;
    }
    .icon-wrap{
      width:44px; height:44px;
      border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      background:linear-gradient(180deg, rgba(79,70,229,.16), rgba(6,182,212,.10));
      border:1px solid rgba(79,70,229,.18);
    }
    .icon-wrap svg{display:block}
    .tag-row{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:12px;
    }
    .tag{
      font-size:12.3px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.65);
      color:rgba(27,31,42,.86);
      white-space:nowrap;
    }

    .process{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .step{
      display:grid;
      grid-template-columns: 96px 1fr;
      gap:14px;
      align-items:flex-start;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(27,31,42,.10);
      border-radius:var(--radius);
      padding:16px 16px;
      box-shadow:0 10px 26px rgba(15,23,42,.06);
      transition:transform .16s ease, border-color .16s ease;
      position:relative;
      overflow:hidden;
    }
    .step:hover{transform: translateY(-2px); border-color:rgba(79,70,229,.22)}
    .step:before{
      content:"";
      position:absolute; inset:auto -40px -60px auto;
      width:180px; height:180px;
      background: radial-gradient(circle at 30% 30%, rgba(79,70,229,.18), transparent 60%);
      pointer-events:none;
      filter: blur(4px);
      opacity:.7;
    }
    .step-num{
      position:relative; z-index:1;
      width:86px; height:86px;
      border-radius:22px;
      background:
        radial-gradient(circle at 30% 30%, rgba(79,70,229,.28), rgba(6,182,212,.14) 48%, rgba(255,255,255,.75) 80%);
      border:1px solid rgba(79,70,229,.18);
      display:flex;
      flex-direction:column;
      align-items:flex-start;
      justify-content:center;
      padding:10px 12px;
    }
    .step-num strong{
      font-size:28px;
      letter-spacing:-.6px;
      line-height:1;
    }
    .step-num span{
      font-size:12px;
      color:rgba(27,31,42,.78);
      font-weight:800;
      margin-top:6px;
    }
    .step-content{position:relative; z-index:1}
    .step-content h3{margin:2px 0 6px; font-size:16px}
    .step-content p{margin:0; color:var(--muted); line-height:1.7; font-size:13.8px}
    .step-points{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:10px;
    }
    .point{
      font-size:12.5px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.66);
      color:rgba(27,31,42,.86);
    }

    .compare{
      background:rgba(255,255,255,.74);
      border:1px solid rgba(27,31,42,.10);
      border-radius:26px;
      padding:16px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
    }
    .compare-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      margin-bottom:12px;
      flex-wrap:wrap;
    }
    .rating-card{
      display:flex; align-items:flex-start; gap:14px;
      padding:14px 14px;
      border-radius:20px;
      background:
        radial-gradient(480px 220px at 10% 0%, rgba(79,70,229,.18), transparent 55%),
        radial-gradient(420px 220px at 100% 10%, rgba(249,115,22,.14), transparent 55%),
        rgba(255,255,255,.72);
      border:1px solid rgba(27,31,42,.10);
      min-width:280px;
    }
    .stars{
      display:flex; flex-direction:column; gap:8px;
      align-items:flex-start;
    }
    .star-row{display:flex; gap:4px}
    .star{
      width:18px; height:18px;
      filter: drop-shadow(0 8px 16px rgba(234,179,8,.18));
    }
    .rating-num{
      font-size:34px;
      font-weight:920;
      letter-spacing:-.8px;
      line-height:1;
      margin-top:2px;
    }
    .rating-meta{color:rgba(27,31,42,.82); font-weight:820; margin-top:8px}
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(27,31,42,.10);
      background:#fff;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(27,31,42,.08);
      font-size:13.5px;
      vertical-align:top;
    }
    th{
      background:linear-gradient(180deg, rgba(79,70,229,.10), rgba(6,182,212,.06));
      color:rgba(27,31,42,.92);
      font-weight:900;
      text-align:left;
    }
    tr:last-child td{border-bottom:none}
    .score-good{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(34,197,94,.20);
      background:rgba(34,197,94,.10);
      font-weight:860;
      color:rgba(19,83,42,.95);
      white-space:nowrap;
    }
    .score-mid{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(234,179,8,.24);
      background:rgba(234,179,8,.12);
      font-weight:860;
      color:rgba(97,74,0,.95);
      white-space:nowrap;
    }
    .score-weak{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(239,68,68,.20);
      background:rgba(239,68,68,.10);
      font-weight:860;
      color:rgba(127,29,29,.95);
      white-space:nowrap;
    }

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
      justify-content:flex-start;
      margin-top:4px;
    }
    .tab{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.72);
      font-weight:850;
      color:rgba(27,31,42,.88);
      cursor:pointer;
      transition:transform .16s ease, border-color .16s ease, background .16s ease;
      user-select:none;
      font-size:13px;
    }
    .tab:hover{transform: translateY(-1px); border-color:rgba(79,70,229,.22)}
    .tab.active{
      background:linear-gradient(135deg, rgba(79,70,229,.14), rgba(6,182,212,.10));
      border-color:rgba(79,70,229,.26);
      box-shadow:0 12px 26px rgba(79,70,229,.12);
    }

    .faq{
      background:rgba(255,255,255,.70);
      border:1px solid rgba(27,31,42,.10);
      border-radius:26px;
      padding:14px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
    }
    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.72);
      padding:12px 12px;
      transition:border-color .16s ease, transform .16s ease;
    }
    details.faq-item[open]{
      border-color:rgba(79,70,229,.26);
      transform: translateY(-1px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:2px 0;
      font-weight:900;
      color:rgba(27,31,42,.92);
      font-size:14px;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:18px; height:18px;
      border-radius:6px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
      transition:transform .18s ease, border-color .18s ease;
    }
    details[open] .chev{transform: rotate(180deg); border-color:rgba(79,70,229,.22)}
    .faq-answer{
      color:var(--muted);
      line-height:1.75;
      font-size:13.8px;
      margin-top:10px;
      padding-top:10px;
      border-top:1px solid rgba(27,31,42,.08);
    }

    .testimonial{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(27,31,42,.10);
      border-radius:26px;
      padding:14px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
    }
    .quote-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .quote-card{
      border-radius:22px;
      padding:14px 14px;
      border:1px solid rgba(27,31,42,.10);
      background:
        radial-gradient(420px 160px at 10% 0%, rgba(79,70,229,.14), transparent 55%),
        rgba(255,255,255,.72);
      transition:transform .16s ease, border-color .16s ease;
      min-height:190px;
      display:flex; flex-direction:column;
    }
    .quote-card:hover{transform: translateY(-2px); border-color:rgba(79,70,229,.22)}
    .quote-top{
      display:flex; align-items:center; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(27,31,42,.10);
      background:linear-gradient(180deg, rgba(6,182,212,.16), rgba(79,70,229,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
    }
    .role{
      font-weight:900; font-size:13.5px; letter-spacing:-.1px;
      line-height:1.2;
    }
    .role span{display:block; color:var(--muted); font-weight:800; font-size:12.5px; margin-top:2px}
    .quote-text{
      color:var(--muted);
      line-height:1.7;
      font-size:13.7px;
      margin:0;
    }
    .quote-foot{
      margin-top:auto;
      display:flex; align-items:center; justify-content:space-between;
      gap:12px;
      padding-top:12px;
    }
    .small-keys{
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .mini-key{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.68);
      font-weight:860;
      color:rgba(27,31,42,.86);
      white-space:nowrap;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
    }
    .case-card{
      border-radius:26px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.78);
      padding:14px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
      transition:transform .16s ease, border-color .16s ease;
      overflow:hidden;
      display:flex; flex-direction:column;
      min-height:240px;
    }
    .case-card:hover{transform: translateY(-2px); border-color:rgba(79,70,229,.22)}
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .case-badge{
      display:inline-flex; align-items:center; gap:9px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(79,70,229,.18);
      background:rgba(79,70,229,.08);
      font-weight:900; font-size:12.8px;
      color:rgba(27,31,42,.9);
      white-space:nowrap;
    }
    .case-badge i{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, rgba(79,70,229,.95), rgba(6,182,212,.95));
      display:inline-block;
      box-shadow:0 0 0 6px rgba(79,70,229,.12);
    }
    .case-title{
      margin:0 0 8px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .case-text{
      margin:0;
      color:var(--muted);
      line-height:1.7;
      font-size:13.8px;
    }
    .case-spec{
      margin-top:auto;
      display:flex; gap:10px; flex-wrap:wrap;
      padding-top:12px;
    }
    .spec{
      font-size:12.4px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.68);
      font-weight:860;
      color:rgba(27,31,42,.86);
      white-space:nowrap;
    }

    .list-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .list-card{
      border-radius:26px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.78);
      padding:14px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
    }
    .list-card h3{margin:0 0 10px; font-size:16px}
    .article-list{
      display:grid; gap:10px;
      margin-top:8px;
    }
    .article-item{
      border-radius:18px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.72);
      padding:12px 12px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      transition:transform .16s ease, border-color .16s ease;
    }
    .article-item:hover{transform: translateY(-2px); border-color:rgba(79,70,229,.22)}
    .article-left{
      display:flex; flex-direction:column;
      gap:6px;
      min-width:0;
    }
    .article-title{
      font-weight:950;
      letter-spacing:-.2px;
      font-size:13.8px;
      line-height:1.35;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:260px;
    }
    .article-meta{
      color:var(--muted);
      font-size:12.4px;
      font-weight:820;
    }
    .article-link{
      flex:0 0 auto;
      font-size:12.6px;
      font-weight:950;
      color:rgba(15,23,42,.92);
      padding:8px 10px;
      border-radius:14px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.76);
      transition:transform .16s ease, border-color .16s ease;
      white-space:nowrap;
    }
    .article-item:hover .article-link{transform: translateY(-1px); border-color:rgba(79,70,229,.22)}

    .form-wrap{
      background:
        radial-gradient(720px 240px at 8% 0%, rgba(79,70,229,.16), transparent 55%),
        radial-gradient(720px 240px at 100% 10%, rgba(6,182,212,.12), transparent 55%),
        rgba(255,255,255,.78);
      border:1px solid rgba(27,31,42,.10);
      border-radius:26px;
      padding:16px;
      box-shadow:0 10px 28px rgba(15,23,42,.06);
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .field{display:flex; flex-direction:column; gap:8px}
    label{
      font-weight:900;
      font-size:13px;
      color:rgba(27,31,42,.92);
    }
    input, select, textarea{
      border-radius:16px;
      border:1px solid rgba(27,31,42,.12);
      background:rgba(255,255,255,.78);
      padding:12px 12px;
      font-size:14px;
      color:var(--text);
      outline:none;
      transition:box-shadow .16s ease, border-color .16s ease, transform .16s ease;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(79,70,229,.35);
      box-shadow:0 0 0 4px var(--focus);
    }
    .span2{grid-column: span 2}
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      grid-column: span 2;
      flex-wrap:wrap;
      margin-top:4px;
    }
    .fineprint{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
      max-width:54ch;
    }
    .toast{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      background:rgba(15,23,42,.92);
      color:#fff;
      border:1px solid rgba(255,255,255,.15);
      padding:10px 12px;
      border-radius:14px;
      box-shadow:0 20px 60px rgba(0,0,0,.20);
      display:none;
      z-index:200;
      font-weight:850;
      font-size:13px;
      max-width: calc(100vw - 26px);
    }
    .toast.show{display:block; animation: pop .22s ease}
    @keyframes pop{from{opacity:.0; transform:translateX(-50%) translateY(8px)} to{opacity:1; transform:translateX(-50%) translateY(0)}}

    .footer{
      padding:20px 0 28px;
      border-top:1px solid rgba(27,31,42,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.70));
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      border-radius:26px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.72);
      padding:14px;
      box-shadow:0 10px 28px rgba(15,23,42,.05);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .footer-title{
      font-weight:950;
      margin:0 0 10px;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .footer-links{
      display:flex; flex-direction:column; gap:10px;
      color:rgba(27,31,42,.86);
      font-weight:850;
      font-size:13.2px;
    }
    .footer-links a{
      color:rgba(27,31,42,.86);
      padding:8px 10px;
      border-radius:14px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.65);
      transition:transform .16s ease, border-color .16s ease;
      width: fit-content;
      max-width:100%;
    }
    .footer-links a:hover{
      transform: translateY(-1px);
      border-color:rgba(79,70,229,.22);
    }
    .social{
      display:flex; align-items:flex-start; gap:12px; flex-wrap:wrap;
      margin-top:10px;
    }
    .qr{
      width:120px;
      border-radius:20px;
      border:1px solid rgba(27,31,42,.10);
      background:#fff;
      padding:10px;
    }
    .qr img{width:100%; height:auto; display:block}
    .contact-lines{
      display:flex; flex-direction:column; gap:10px;
      min-width:240px;
      flex:1;
    }
    .contact-item{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.65);
      border-radius:18px;
      padding:12px 12px;
    }
    .contact-item b{font-size:13.2px}
    .contact-item span{color:var(--muted); font-weight:820; font-size:13.2px}
    .contact-item a{
      font-weight:950; color:rgba(27,31,42,.92);
      padding:8px 10px; border-radius:14px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.78);
      white-space:nowrap;
      transition:transform .16s ease, border-color .16s ease;
    }
    .contact-item a:hover{transform: translateY(-1px); border-color:rgba(79,70,229,.22)}
    .copyright{
      margin-top:14px;
      color:rgba(27,31,42,.70);
      font-weight:780;
      font-size:12.8px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }

    .float-kefu{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:120;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 18px 40px rgba(15,23,42,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .float-btn:hover{transform: translateY(-2px); border-color:rgba(79,70,229,.22)}
    .float-pop{
      display:none;
      width:240px;
      border-radius:22px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 30px 80px rgba(0,0,0,.15);
      padding:12px;
      backdrop-filter: blur(8px);
    }
    .float-pop.show{display:block}
    .float-pop h4{margin:2px 0 8px; font-size:14px}
    .float-pop p{margin:0; color:var(--muted); font-size:13px; line-height:1.6}
    .float-pop .qr{width:100%; padding:0; border-radius:18px}
    .backtop{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(27,31,42,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 18px 40px rgba(15,23,42,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      position:fixed;
      right:14px;
      bottom:72px;
      z-index:110;
      transform: translateY(14px);
      opacity:0;
      pointer-events:none;
      transition:opacity .2s ease, transform .2s ease, border-color .16s ease;
    }
    .backtop.show{opacity:1; transform: translateY(0); pointer-events:auto}
    .backtop:hover{border-color:rgba(79,70,229,.22)}

    .scroll-reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .scroll-reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-left, .hero-right{min-height:auto}
      .hero-left{padding:22px 18px}
      h1{font-size:30px}
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .faq-grid{grid-template-columns: 1fr}
      .quote-grid{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .list-grid{grid-template-columns: 1fr}
      .footer-inner{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
    }
    @media (max-width: 820px){
      .nav-links{display:none}
      .nav-cta{display:none}
      .mobile-toggle{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        width:44px; height:44px;
        border-radius:16px;
        border:1px solid rgba(27,31,42,.10);
        background:rgba(255,255,255,.78);
        box-shadow:0 10px 22px rgba(15,23,42,.08);
        cursor:pointer;
        transition:transform .16s ease, border-color .16s ease;
      }
      .mobile-toggle:hover{transform: translateY(-1px); border-color:rgba(79,70,229,.22)}
      .mobile-drawer.open{display:block}
      .mobile-drawer{display:block}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .scroll-reveal{transition:none}
      .btn, .card, .pill, .data-card, .case-card, .quote-card, .article-item {transition:none}
    }