:root{
      --bg0:#f7f9ff;
      --bg1:#ffffff;
      --text:#0f172a;
      --muted:#475569;
      --muted2:#64748b;
      --line:rgba(2,8,23,.10);
      --line2:rgba(2,8,23,.14);
      --card:#ffffff;
      --shadow: 0 12px 30px rgba(2,8,23,.08);
      --shadow2: 0 10px 18px rgba(2,8,23,.08);
      --brand:#0b57ff;
      --brand2:#0a3dbb;
      --brand3:#2d7dff;
      --sky:#e9f2ff;
      --sky2:#dbe9ff;
      --gold:#d9a441;
      --good:#16a34a;
      --warn:#f59e0b;
      --radius:16px;
      --radius2:22px;
      --max:1180px;
      --pad:18px;
      --focus: 0 0 0 4px rgba(11,87,255,.18);
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans", "WenQuanYi Micro Hei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 600px at 15% -10%, rgba(11,87,255,.18), rgba(11,87,255,0) 55%),
        radial-gradient(900px 520px at 90% 10%, rgba(45,125,255,.14), rgba(45,125,255,0) 60%),
        linear-gradient(#f7f9ff, #ffffff 42%, #f7f9ff 100%);
    }

    a{ color:inherit; text-decoration:none; }
    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .skip-link{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:var(--pad); top:10px; width:auto; height:auto;
      background:#fff; border:1px solid var(--line2); border-radius:10px;
      padding:10px 12px; z-index:9999; box-shadow:var(--shadow2);
    }

    header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(247,249,255,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(2,8,23,.06);
    }
    .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;
    }
    .logo{
      width:40px; height:40px;
      display:inline-flex; align-items:center; justify-content:center;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(11,87,255,.14), rgba(11,87,255,.04));
      border:1px solid rgba(11,87,255,.20);
      overflow:hidden;
      flex:0 0 auto;
    }
    .ai-page-logo{ display:block; width:38px; height:38px; object-fit:contain; }
    .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-name{
      font-weight:850;
      letter-spacing:.2px;
      font-size:14px;
    }
    .brand-sub{
      font-size:12px;
      color:var(--muted2);
      margin-top:4px;
    }

    nav{
      display:flex; align-items:center; gap:10px; flex:1;
      justify-content:flex-end;
      min-width:0;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(15,23,42,.86);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      border-color:rgba(11,87,255,.22);
      background:rgba(11,87,255,.08);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:12px;
      border:1px solid rgba(11,87,255,.35);
      background: linear-gradient(180deg, rgba(11,87,255,.12), rgba(11,87,255,.06));
      color:rgba(11,87,255,.95);
      font-weight:750;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
      user-select:none;
      cursor:pointer;
    }
    .btn:hover{ transform: translateY(-1px); box-shadow: 0 10px 18px rgba(11,87,255,.14); }
    .btn:active{ transform: translateY(0px); }
    .btn:focus{ outline:none; box-shadow: var(--focus); }

    .btn-primary{
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      border-color: rgba(255,255,255,.18);
      color:#fff;
      box-shadow: 0 16px 26px rgba(11,87,255,.22);
    }

    .icon{
      width:18px; height:18px; display:inline-block;
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:12px;
      border:1px solid rgba(2,8,23,.12);
      background: rgba(255,255,255,.65);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
    }
    .mobile-toggle:hover{ transform: translateY(-1px); border-color:rgba(11,87,255,.25); }
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(2,8,23,.08);
      padding:12px 0 16px;
    }
    .mobile-panel .stack{
      display:flex; flex-direction:column; gap:10px;
    }
    .mobile-panel a{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.10);
      background:rgba(255,255,255,.72);
      font-weight:700;
      font-size:14px;
    }
    .mobile-panel a:hover{
      border-color:rgba(11,87,255,.25);
      background:rgba(11,87,255,.08);
    }

    .hero{
      padding:28px 0 8px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      align-items:start;
    }

    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
      border:1px solid rgba(2,8,23,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
    }

    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(800px 260px at 20% 0%, rgba(11,87,255,.22), rgba(11,87,255,0) 60%),
        radial-gradient(520px 220px at 80% 10%, rgba(45,125,255,.18), rgba(45,125,255,0) 62%),
        linear-gradient(135deg, rgba(11,87,255,.10), rgba(255,255,255,0) 40%);
      pointer-events:none;
    }
    .hero-inner{ position:relative; z-index:1; }

    .kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom:14px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(11,87,255,.08);
      border: 1px solid rgba(11,87,255,.22);
      color: rgba(11,87,255,.98);
      font-weight:800;
      font-size:12px;
    }
    .dot{
      width:8px; height:8px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,0) 35%), linear-gradient(180deg, var(--brand3), var(--brand2));
      box-shadow: 0 0 0 4px rgba(11,87,255,.12);
    }

    h1{
      margin:0;
      font-size:36px;
      letter-spacing:-.6px;
      line-height:1.08;
    }
    .hero-lead{
      margin:12px 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width:62ch;
    }

    .hero-actions{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin:16px 0 10px;
    }

    .btn-ghost{
      border:1px solid rgba(2,8,23,.14);
      background: rgba(255,255,255,.72);
      color: rgba(15,23,42,.92);
      box-shadow: 0 10px 16px rgba(2,8,23,.06);
    }

    .meta-row{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:16px;
      align-items:center;
    }
    .meta{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.75);
      min-width:190px;
    }
    .meta strong{
      display:block;
      font-size:13px;
      line-height:1.25;
    }
    .meta span{
      display:block;
      color:var(--muted2);
      font-size:12px;
      margin-top:4px;
      line-height:1.35;
    }
    .meta .mini{
      width:34px; height:34px;
      border-radius:12px;
      background: linear-gradient(180deg, rgba(11,87,255,.14), rgba(11,87,255,.06));
      border:1px solid rgba(11,87,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }

    .hero-side{
      display:flex; flex-direction:column; gap:12px;
    }
    .side-card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(2,8,23,.10);
      border-radius: var(--radius2);
      padding:16px;
      box-shadow: 0 12px 20px rgba(2,8,23,.06);
      overflow:hidden;
      position:relative;
    }
    .side-card:after{
      content:"";
      position:absolute; right:-80px; top:-80px;
      width:220px; height:220px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(11,87,255,.22), rgba(11,87,255,0) 60%);
      pointer-events:none;
    }
    .side-inner{ position:relative; z-index:1; }
    .side-title{
      font-size:14px; font-weight:900; letter-spacing:.2px;
      display:flex; align-items:center; gap:10px;
      margin:0 0 10px;
    }
    .pulse{
      width:10px; height:10px; border-radius:50%;
      background: var(--brand);
      box-shadow: 0 0 0 0 rgba(11,87,255,.35);
      animation: pulse 2.2s ease-out infinite;
    }
    @keyframes pulse{
      0%{ box-shadow: 0 0 0 0 rgba(11,87,255,.35); }
      60%{ box-shadow: 0 0 0 14px rgba(11,87,255,0); }
      100%{ box-shadow: 0 0 0 0 rgba(11,87,255,0); }
    }
    .stat-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .stat{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.8);
      transition: transform .2s ease, border-color .2s ease;
    }
    .stat:hover{ transform: translateY(-2px); border-color: rgba(11,87,255,.28); }
    .stat .num{
      font-size:18px;
      font-weight:950;
      letter-spacing:-.4px;
    }
    .stat .label{
      font-size:12px;
      color:var(--muted2);
      margin-top:6px;
      line-height:1.35;
    }

    .quick-list{
      margin-top:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .quick-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.78);
    }
    .check{
      width:18px; height:18px; border-radius:6px;
      background: rgba(22,163,74,.12);
      border:1px solid rgba(22,163,74,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .quick-item strong{
      font-size:13px; line-height:1.3;
      display:block;
    }
    .quick-item span{
      font-size:12px; color:var(--muted2); line-height:1.5; display:block; margin-top:3px;
    }

    .section{
      padding:18px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin:10px 0 14px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width:60ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
      align-items:stretch;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:12px;
      align-items:stretch;
    }

    .card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(2,8,23,.10);
      border-radius: var(--radius);
      padding:16px;
      box-shadow: 0 12px 18px rgba(2,8,23,.04);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-3px);
      border-color: rgba(11,87,255,.24);
      box-shadow: 0 18px 26px rgba(2,8,23,.08);
    }

    .card .title{
      display:flex; align-items:center; gap:10px;
      margin:0 0 10px;
      font-weight:920; letter-spacing:-.2px;
      font-size:14px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .chip-row{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:12px;
    }
    .chip{
      font-size:12px; color: rgba(15,23,42,.82);
      padding:7px 10px;
      background: rgba(11,87,255,.06);
      border:1px solid rgba(11,87,255,.18);
      border-radius:999px;
      white-space:nowrap;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(2,8,23,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.72));
      box-shadow: 0 10px 16px rgba(2,8,23,.04);
      position:relative;
      overflow:hidden;
    }
    .step:before{
      content:"";
      position:absolute; left:-40px; top:-55px;
      width:120px; height:120px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(11,87,255,.18), rgba(11,87,255,0) 60%);
      pointer-events:none;
    }
    .step .top{
      position:relative; z-index:1;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .step .idx{
      width:36px; height:36px;
      border-radius:14px;
      background: rgba(11,87,255,.10);
      border:1px solid rgba(11,87,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color: rgba(11,87,255,.98);
    }
    .step h3{
      margin:0;
      font-size:14px;
      letter-spacing:-.2px;
      position:relative; z-index:1;
    }
    .step p{
      position:relative; z-index:1;
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 24px rgba(2,8,23,.06);
      padding:16px;
      overflow:hidden;
    }
    .rating-bar{
      display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .rating-left{
      display:flex; align-items:center; gap:12px;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(217,164,65,.28);
      background: rgba(217,164,65,.10);
    }
    .star{
      width:18px; height:18px;
      display:inline-block;
    }
    .rating-text strong{
      display:block;
      font-size:14px; letter-spacing:-.2px;
    }
    .rating-text span{
      display:block;
      font-size:12px; color:var(--muted2); margin-top:4px;
    }
    .score-pill{
      display:flex; align-items:center; gap:10px;
      padding:12px 14px;
      border-radius:18px;
      border:1px solid rgba(11,87,255,.22);
      background: rgba(11,87,255,.08);
      font-weight:950;
    }
    .score-pill .score{
      font-size:18px;
      letter-spacing:-.4px;
      color: rgba(11,87,255,.98);
    }
    .score-pill .unit{
      font-size:12px;
      color: rgba(15,23,42,.78);
      font-weight:850;
    }

    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.10);
      background:#fff;
    }
    th, td{
      padding:12px 12px;
      text-align:left;
      border-bottom:1px solid rgba(2,8,23,.08);
      vertical-align:top;
      font-size:13px;
    }
    th{
      background: linear-gradient(180deg, rgba(11,87,255,.10), rgba(11,87,255,.05));
      color: rgba(15,23,42,.92);
      font-weight:950;
    }
    tr:last-child td{ border-bottom:none; }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.8);
      font-weight:850;
      white-space:nowrap;
    }
    .pill.good{
      border-color: rgba(22,163,74,.26);
      background: rgba(22,163,74,.10);
      color: rgba(22,163,74,.98);
    }
    .pill.brand{
      border-color: rgba(11,87,255,.26);
      background: rgba(11,87,255,.10);
      color: rgba(11,87,255,.98);
    }
    .pill.muted{
      border-color: rgba(100,116,139,.25);
      background: rgba(100,116,139,.10);
      color: rgba(71,85,105,.95);
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .timeline .panel{
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.76);
      border-radius: var(--radius);
      padding:16px;
    }
    .timeline h3{
      margin:0 0 10px;
      font-size:14px;
      letter-spacing:-.2px;
      display:flex; align-items:center; gap:10px;
    }
    .timeline .items{
      display:flex; flex-direction:column; gap:10px;
    }
    .titem{
      display:flex; gap:12px; align-items:flex-start;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.08);
      background: rgba(255,255,255,.85);
    }
    .ticon{
      width:32px; height:32px; border-radius:12px;
      background: rgba(11,87,255,.10);
      border:1px solid rgba(11,87,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .titem strong{ display:block; font-size:13px; line-height:1.35; }
    .titem span{ display:block; margin-top:3px; font-size:12px; color:var(--muted2); line-height:1.5; }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .review{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 16px rgba(2,8,23,.04);
      transition: transform .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .review:before{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(520px 220px at 20% 0%, rgba(11,87,255,.14), rgba(11,87,255,0) 60%);
      pointer-events:none;
    }
    .review > *{ position:relative; z-index:1; }
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:14px;
      background: linear-gradient(135deg, rgba(11,87,255,.18), rgba(11,87,255,.06));
      border:1px solid rgba(11,87,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color: rgba(11,87,255,.98);
    }
    .who strong{ font-size:13px; letter-spacing:-.2px; }
    .role{ font-size:12px; color:var(--muted2); margin-top:4px; }
    .review .content{
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      margin:0;
    }

    .cases{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .case-card{
      border-radius: var(--radius);
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.78);
      padding:14px;
      overflow:hidden;
      box-shadow: 0 10px 16px rgba(2,8,23,.04);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex; flex-direction:column;
      min-height:250px;
    }
    .case-media{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.08);
      background: linear-gradient(180deg, rgba(11,87,255,.06), rgba(11,87,255,.02));
      padding:12px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:12px;
    }
    .case-media img{
      max-width:100%;
      height:auto;
      display:block;
      border-radius:10px;
    }
    .case-card h3{
      margin:0;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .case-card .desc{
      margin:8px 0 12px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      flex:1 1 auto;
    }
    .case-card .tags{ margin:0; padding:0; list-style:none; display:flex; flex-wrap:wrap; gap:8px; }
    .case-card .tags li{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.85);
      color: rgba(15,23,42,.85);
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .article-list{
      border-radius: var(--radius2);
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.74);
      padding:16px;
      box-shadow: 0 14px 24px rgba(2,8,23,.04);
    }
    .article-list h3{
      margin:0 0 10px;
      font-size:14px; letter-spacing:-.2px;
      display:flex; align-items:center; gap:10px;
    }
    .article-items{
      display:flex; flex-direction:column; gap:10px;
      margin-top:10px;
    }
    .article{
      border-radius:14px;
      border:1px solid rgba(2,8,23,.08);
      background: rgba(255,255,255,.86);
      padding:12px 12px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      transition: transform .2s ease, border-color .2s ease;
    }
    .article:hover{ transform: translateY(-2px); border-color:rgba(11,87,255,.25); }
    .article .left{
      min-width:0;
    }
    .article strong{
      display:block;
      font-size:13px;
      letter-spacing:-.2px;
      margin-top:2px;
    }
    .article span{
      display:block;
      color:var(--muted2);
      font-size:12px;
      margin-top:6px;
      line-height:1.45;
    }
    .article .go{
      flex:0 0 auto;
      width:38px; height:38px;
      border-radius:14px;
      border:1px solid rgba(11,87,255,.22);
      background: rgba(11,87,255,.08);
      display:flex; align-items:center; justify-content:center;
      color: rgba(11,87,255,.98);
    }

    .form-card{
      border-radius: var(--radius2);
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 24px rgba(2,8,23,.06);
      padding:16px;
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .field{ display:flex; flex-direction:column; gap:8px; }
    label{
      font-size:12px;
      color: rgba(15,23,42,.78);
      font-weight:850;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.12);
      background: rgba(255,255,255,.86);
      color:var(--text);
      font-size:14px;
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease;
    }
    textarea{ min-height:110px; resize:vertical; grid-column: 1 / -1; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(11,87,255,.45);
      box-shadow: var(--focus);
    }
    .form-actions{
      grid-column:1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top:2px;
    }
    .fineprint{
      color:var(--muted2);
      font-size:12px;
      line-height:1.6;
      max-width:62ch;
    }

    details.faq{
      border-radius: var(--radius);
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 10px 16px rgba(2,8,23,.03);
      overflow:hidden;
      transition: border-color .2s ease, transform .2s ease;
    }
    details.faq[open]{ border-color: rgba(11,87,255,.26); }
    details.faq summary{
      list-style:none;
      padding:14px 14px;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      font-size:14px;
    }
    details.faq summary::-webkit-details-marker{ display:none; }
    .sum-right{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
      color: rgba(11,87,255,.98);
      font-weight:950;
    }
    .chev{
      width:18px; height:18px;
      border-radius:8px;
      border:1px solid rgba(11,87,255,.22);
      background: rgba(11,87,255,.08);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
    }
    details[open] .chev{ transform: rotate(180deg); }
    details.faq .faq-body{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .tkey{
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.82);
      color: rgba(15,23,42,.86);
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
    }
    .tkey:hover{
      transform: translateY(-2px);
      border-color: rgba(11,87,255,.26);
      background: rgba(11,87,255,.08);
    }

    .footer{
      margin-top:10px;
      background: linear-gradient(180deg, rgba(11,87,255,.10), rgba(11,87,255,.04));
      border-top:1px solid rgba(2,8,23,.08);
    }
    .footer-inner{
      padding:22px 0 18px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .foot-card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(2,8,23,.10);
      border-radius: var(--radius2);
      padding:16px;
    }
    .foot-title{
      font-weight:950;
      margin:0 0 10px;
      letter-spacing:-.2px;
      display:flex; align-items:center; gap:10px;
    }
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:8px;
    }
    .foot-links a{
      font-size:13px;
      color: rgba(15,23,42,.88);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(2,8,23,.10);
      background: rgba(255,255,255,.86);
      transition: transform .15s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(11,87,255,.26);
    }
    .foot-meta{
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      margin:0;
    }
    .copyright{
      margin-top:14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color: rgba(71,85,105,.95);
      font-size:12px;
    }

    .floating-contact{
      position:fixed;
      right:16px;
      bottom:18px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      display:flex;
      align-items:center;
      gap:10px;
      border-radius:16px;
      border:1px solid rgba(2,8,23,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 34px rgba(2,8,23,.12);
      padding:10px 12px;
      cursor:pointer;
      transition: transform .2s ease, border-color .2s ease;
      user-select:none;
      max-width: 220px;
    }
    .float-btn:hover{ transform: translateY(-2px); border-color: rgba(11,87,255,.26); }
    .float-btn .label{
      display:flex; flex-direction:column; line-height:1.15;
      min-width:0;
    }
    .float-btn strong{
      font-size:13px;
      letter-spacing:-.2px;
    }
    .float-btn span{
      color:var(--muted2);
      font-size:12px;
      margin-top:4px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .qr-pop{
      pointer-events:auto;
      width: 260px;
      border-radius: 18px;
      border:1px solid rgba(2,8,23,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 22px 46px rgba(2,8,23,.20);
      overflow:hidden;
      transform-origin: 100% 100%;
      animation: popIn .18s ease-out;
    }
    @keyframes popIn{
      from{ transform: scale(.98); opacity:.0; }
      to{ transform: scale(1); opacity:1; }
    }
    .qr-head{
      padding:12px 14px;
      border-bottom:1px solid rgba(2,8,23,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background: linear-gradient(180deg, rgba(11,87,255,.10), rgba(11,87,255,.05));
    }
    .qr-head strong{
      font-size:13px; letter-spacing:-.2px;
    }
    .qr-close{
      width:36px; height:36px; border-radius:14px;
      border:1px solid rgba(2,8,23,.12);
      background: rgba(255,255,255,.86);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .qr-body{ padding:12px 14px 14px; }
    .qr-body img{
      width:100%;
      height:auto;
      display:block;
      border-radius:14px;
      border:1px solid rgba(2,8,23,.10);
      background:#fff;
    }
    .qr-note{
      margin:10px 0 0;
      color:var(--muted2);
      font-size:12px;
      line-height:1.6;
    }

    .to-top{
      pointer-events:auto;
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(2,8,23,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 34px rgba(2,8,23,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, border-color .2s ease, opacity .2s ease;
      opacity:0;
      transform: translateY(6px);
    }
    .to-top.show{
      opacity:1;
      transform: translateY(0);
    }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: repeat(2, 1fr); }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .cases{ grid-template-columns: 1fr; }
      .articles{ grid-template-columns: 1fr; }
      .timeline{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      form{ grid-template-columns: 1fr; }
      textarea{ grid-column: auto; }
      .mobile-toggle{ display:flex; }
      .nav-links{ display:none; }
      .mobile-panel.show{ display:block; }
    }

    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto; }
      .pulse{ animation:none; }
      .reveal{ transition:none; opacity:1; transform:none; }
      .card:hover, .stat:hover, .article:hover, .tkey:hover{ transform:none; }
    }