:root{
      --bg0:#fbfbfd;
      --bg1:#f4f6fb;
      --card:#ffffff;
      --text:#101828;
      --muted:#5b667a;
      --muted2:#7a859c;
      --line:rgba(16,24,40,.10);
      --shadow: 0 10px 30px rgba(16,24,40,.08);
      --shadow2: 0 6px 18px rgba(16,24,40,.10);
      --brand:#1f6feb;
      --brand2:#3d4be7;
      --accent:#22c55e;
      --warn:#f59e0b;
      --danger:#ef4444;
      --radius:16px;
      --radius2:22px;
      --container: 1140px;
      --g: 16px;
      --g2: 22px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(31,111,235,.16), transparent 55%),
        radial-gradient(900px 520px at 85% 0%, rgba(61,75,231,.13), transparent 60%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
    }
    a{color:inherit}
    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }
    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:16px; top:16px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:12px; z-index:9999;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,251,253,.72);
      border-bottom: 1px solid rgba(16,24,40,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 0;
      gap: 14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 220px;
    }
    .ai-page-logo{
      width: 42px; height:auto;
      border-radius: 12px;
      box-shadow: 0 10px 18px rgba(31,111,235,.15);
      background:#fff;
      padding: 6px;
    }
    .brand-title{
      display:flex; flex-direction:column; gap:2px;
    }
    .brand-title strong{
      font-size: 14px; letter-spacing:.2px;
    }
    .brand-title span{
      font-size: 12px; color:var(--muted);
    }

    nav{display:flex; align-items:center; gap: 10px;}
    .nav-links{
      display:flex; align-items:center; gap: 14px;
      flex-wrap: wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size: 13px;
      color: var(--muted);
      padding: 8px 10px;
      border-radius: 12px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(31,111,235,.10);
      color: #0f2b57;
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap: 10px; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      border-radius: 14px;
      padding: 10px 14px;
      border: 1px solid rgba(16,24,40,.12);
      background:#fff;
      color: #0f172a;
      font-size: 13px;
      text-decoration:none;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: var(--shadow2);
      border-color: rgba(31,111,235,.22);
    }
    .btn-primary{
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      border-color: transparent;
      color:#fff;
      box-shadow: 0 14px 30px rgba(31,111,235,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 38px rgba(31,111,235,.28);
    }
    .btn-soft{
      background: rgba(31,111,235,.08);
      border-color: rgba(31,111,235,.18);
      color: #0f2b57;
    }
    .icon-dot{
      width:10px; height:10px; border-radius:999px; background:#fff;
      box-shadow: 0 0 0 6px rgba(255,255,255,.18);
      margin-right:8px;
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background:#fff;
      align-items:center; justify-content:center;
    }
    .mobile-toggle:active{transform: translateY(1px)}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px; background:#0f172a;
      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}
    .mobile-panel{
      display:none;
      padding-bottom: 14px;
    }
    .mobile-panel .m-links{
      display:flex; flex-direction:column; gap:8px;
      padding: 8px 0 4px;
    }
    .mobile-panel a{
      text-decoration:none;
      padding: 11px 12px;
      border-radius: 14px;
      background:#fff;
      border: 1px solid rgba(16,24,40,.08);
      color: #0f172a;
      font-size: 14px;
    }
    .mobile-panel a:hover{border-color: rgba(31,111,235,.25)}
    .mobile-panel .m-cta{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:10px;
    }

    main{padding: 22px 0 28px}
    .hero{
      padding: 18px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
      border: 1px solid rgba(16,24,40,.08);
      border-radius: var(--radius2);
      box-shadow: 0 18px 50px rgba(16,24,40,.10);
      padding: 22px;
      overflow:hidden;
      position:relative;
    }
    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(700px 280px at 10% 0%, rgba(31,111,235,.22), transparent 60%),
        radial-gradient(520px 280px at 85% 20%, rgba(61,75,231,.18), transparent 60%),
        radial-gradient(500px 320px at 30% 105%, rgba(34,197,94,.10), transparent 58%);
      pointer-events:none;
      z-index:0;
    }
    .hero-inner{position:relative; z-index:1;}
    .eyebrow{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom: 10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(31,111,235,.10);
      border:1px solid rgba(31,111,235,.18);
      color: #0f2b57;
      font-size: 12px;
      white-space:nowrap;
    }
    .chip .spark{
      width: 10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 0 0 6px rgba(31,111,235,.12);
    }
    .hero-title{
      margin: 10px 0 8px;
      font-size: clamp(24px, 2.6vw, 38px);
      line-height: 1.12;
      letter-spacing: -0.5px;
    }
    .hero-sub{
      margin: 0;
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.8;
      max-width: 60ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top: 16px;
      align-items:center;
    }
    .hero-actions .meta{
      display:flex; gap:10px; flex-wrap:wrap; margin-left: 4px;
      color: var(--muted2); font-size:12px;
    }
    .meta .m-item{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 14px;
      border: 1px dashed rgba(16,24,40,.16);
      background: rgba(255,255,255,.55);
    }
    .m-item svg{opacity:.9}

    .hero-side{
      display:flex; flex-direction:column; gap: 14px;
    }
    .side-stat{
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: var(--radius2);
      padding: 18px;
      position:relative;
      overflow:hidden;
    }
    .side-stat:after{
      content:"";
      position:absolute;
      right:-80px; top:-80px;
      width: 220px; height: 220px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(31,111,235,.25), transparent 60%);
      pointer-events:none;
    }
    .side-stat h3{
      margin: 0 0 6px;
      font-size: 14px;
      color:#0f172a;
      letter-spacing:.2px;
    }
    .side-stat p{
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
    }
    .kpi-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
    }
    .kpi{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(16,24,40,.08);
      border-radius: 16px;
      padding: 12px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .kpi:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(16,24,40,.10);
    }
    .kpi strong{
      display:block;
      font-size: 18px;
      letter-spacing:-.4px;
    }
    .kpi span{
      display:block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.4;
    }

    .quick-cards{
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .quick{
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: var(--radius2);
      padding: 16px;
      position:relative;
      overflow:hidden;
    }
    .quick .row{
      display:flex; align-items:flex-start; gap: 12px;
    }
    .q-ico{
      width: 40px; height:40px; border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(31,111,235,.10);
      border:1px solid rgba(31,111,235,.18);
      flex: 0 0 auto;
    }
    .quick h3{
      margin: 0;
      font-size: 14px;
    }
    .quick p{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    section{padding: 18px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap: 14px;
      margin-bottom: 12px;
    }
    .section-head h2{
      margin:0;
      font-size: 20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
      max-width: 60ch;
    }

    .cards-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }
    .card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
    }
    .card h3{margin:0 0 8px; font-size: 15px}
    .card p{margin:0; color: var(--muted); font-size: 13.5px; line-height:1.75}
    .bullets{
      margin-top: 12px; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px;
    }
    .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
    }
    .check{
      width:18px; height:18px; border-radius:6px;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.22);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top:2px;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .step{
      display:flex; gap: 14px; align-items:flex-start;
      padding: 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(16,24,40,.10);
      border-color: rgba(31,111,235,.22);
    }
    .step-num{
      width: 40px; height:40px; border-radius: 16px;
      background: linear-gradient(135deg, rgba(31,111,235,.14), rgba(61,75,231,.12));
      border:1px solid rgba(31,111,235,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight: 700;
      letter-spacing:-.4px;
      color:#0f2b57;
      flex: 0 0 auto;
    }
    .step h3{margin: 0; font-size: 15px}
    .step p{margin: 6px 0 0; color: var(--muted); font-size: 13.5px; line-height:1.75}

    .services-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .service{
      padding: 14px;
      border-radius: var(--radius2);
      border: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease;
      position:relative;
      overflow:hidden;
      min-height: 150px;
      display:flex; flex-direction:column;
    }
    .service:before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(340px 120px at 10% 0%, rgba(31,111,235,.18), transparent 55%),
        radial-gradient(280px 120px at 90% 20%, rgba(34,197,94,.12), transparent 55%);
      opacity:.45;
      pointer-events:none;
    }
    .service > *{position:relative}
    .service .top{
      display:flex; align-items:flex-start; gap:10px;
    }
    .badge-ico{
      width: 38px; height:38px; border-radius: 16px;
      background: rgba(31,111,235,.10);
      border: 1px solid rgba(31,111,235,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .service h3{
      margin: 0;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .service p{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.75;
    }
    .service ul{
      margin: 10px 0 0; padding:0; list-style:none;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .tag{
      font-size: 12px;
      color:#0f2b57;
      background: rgba(31,111,235,.10);
      border:1px solid rgba(31,111,235,.18);
      padding: 6px 9px;
      border-radius: 999px;
      white-space:nowrap;
    }

    .compare-wrap{
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: var(--radius2);
      padding: 14px;
      overflow:hidden;
    }
    .compare-top{
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      flex-wrap:wrap;
      padding: 6px 6px 12px;
    }
    .rating{
      display:flex; align-items:center; gap: 10px; flex-wrap:wrap;
    }
    .star{
      width: 42px; height:42px; border-radius: 16px;
      background: rgba(245,158,11,.14);
      border: 1px solid rgba(245,158,11,.26);
      display:flex; align-items:center; justify-content:center;
      color:#7c4a00;
      flex:0 0 auto;
    }
    .rating strong{
      font-size: 22px; letter-spacing:-.4px;
    }
    .rating span{color:var(--muted); font-size:13px}
    .compare-table{
      width:100%;
      border-collapse:collapse;
      min-width: 760px;
    }
    .compare-table th, .compare-table td{
      border-bottom:1px solid rgba(16,24,40,.08);
      padding: 12px 10px;
      text-align:left;
      vertical-align:top;
      font-size: 13.5px;
      color: var(--muted);
    }
    .compare-table th{
      color:#0f172a;
      font-weight:700;
      font-size: 13px;
      background: rgba(31,111,235,.06);
      border-top: 1px solid rgba(16,24,40,.08);
    }
    .cell-good{
      color:#0f2b57;
      font-weight:700;
    }
    .cell-good .dot{
      display:inline-block; width: 9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      margin-right: 8px;
      box-shadow: 0 0 0 6px rgba(31,111,235,.12);
      vertical-align:middle;
    }
    .cell-mid .dot{
      display:inline-block; width: 9px; height:9px; border-radius:50%;
      background: rgba(245,158,11,.75);
      margin-right: 8px;
      vertical-align:middle;
    }
    .cell-bad .dot{
      display:inline-block; width: 9px; height:9px; border-radius:50%;
      background: rgba(239,68,68,.8);
      margin-right: 8px;
      vertical-align:middle;
    }
    .h-scroll{overflow:auto; padding-bottom: 8px}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .panel-list{
      margin: 0;
      padding: 0;
      list-style:none;
      display:flex; flex-direction:column; gap: 10px;
    }
    .panel-list li{
      display:flex; gap: 10px; align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
    }
    .li-ico{
      width: 34px; height:34px; border-radius: 14px;
      background: rgba(31,111,235,.10);
      border: 1px solid rgba(31,111,235,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .panel-list h3{
      margin:0;
      font-size: 14px;
      letter-spacing:-.2px;
      color:#0f172a;
    }
    .panel-list p{
      margin: 5px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .case-card{
      padding: 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column; gap: 10px;
      min-height: 170px;
    }
    .case-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(16,24,40,.10);
    }
    .case-card .title{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 10px;
    }
    .case-card h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .pill{
      font-size:12px;
      color:#0f2b57;
      background: rgba(34,197,94,.10);
      border:1px solid rgba(34,197,94,.18);
      padding: 6px 9px;
      border-radius: 999px;
      white-space:nowrap;
    }
    .case-card p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }
    .case-metrics{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .metric{
      background: rgba(31,111,235,.08);
      border:1px solid rgba(31,111,235,.18);
      padding: 7px 9px;
      border-radius: 14px;
      font-size:12.5px;
      color:#0f2b57;
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap: 10px;
    }
    .article{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(16,24,40,.10);
      border-color: rgba(31,111,235,.22);
    }
    .article .thumb{
      width: 44px; height:44px; border-radius: 16px;
      background: rgba(31,111,235,.10);
      border:1px solid rgba(31,111,235,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .article .a-title{
      margin:0;
      font-size: 14px;
      color:#0f172a;
      letter-spacing:-.2px;
      line-height:1.4;
    }
    .article .a-sub{
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.65;
    }
    .article a{
      text-decoration:none;
    }
    .article .a-meta{
      margin-top:8px;
      display:flex; gap: 8px; flex-wrap:wrap;
      color: var(--muted2);
      font-size: 12px;
    }

    .form-card{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 10px;
    }
    label{
      display:flex; flex-direction:column; gap: 8px;
      color:#0f172a;
      font-size: 13px;
      font-weight: 650;
      letter-spacing:-.1px;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.92);
      color: var(--text);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
      font-size: 14px;
    }
    textarea{min-height: 112px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(31,111,235,.35);
      box-shadow: 0 0 0 4px rgba(31,111,235,.16);
    }
    .form-actions{
      margin-top: 12px;
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      flex-wrap:wrap;
    }
    .form-note{
      color: var(--muted2);
      font-size: 12.5px;
      line-height:1.5;
    }

    details{
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      padding: 12px 14px;
      box-shadow: 0 10px 22px rgba(16,24,40,.05);
      transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }
    details[open]{
      border-color: rgba(31,111,235,.22);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      transform: translateY(-1px);
    }
    summary{
      list-style:none;
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      font-weight: 750;
      color:#0f172a;
      letter-spacing:-.2px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap: 10px; color: var(--muted2);
      font-weight: 650;
      flex:0 0 auto;
    }
    .chev{
      width: 34px; height:34px; border-radius: 14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.8);
      display:flex; align-items:center; justify-content:center;
      transition: transform .22s ease, border-color .18s ease;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(31,111,235,.25)}
    .faq-body{
      margin-top: 10px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.85;
      padding-right: 4px;
    }

    .testimonials{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .t-card{
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      padding: 14px;
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 190px;
    }
    .t-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(16,24,40,.10);
    }
    .t-top{
      display:flex; align-items:flex-start; gap: 12px;
    }
    .avatar{
      width: 44px; height:44px; border-radius: 18px;
      border:1px solid rgba(31,111,235,.18);
      background: linear-gradient(135deg, rgba(31,111,235,.12), rgba(61,75,231,.10));
      display:flex; align-items:center; justify-content:center;
      color:#0f2b57;
      font-weight: 900;
      letter-spacing:-.4px;
      flex:0 0 auto;
    }
    .t-card h3{
      margin:0;
      font-size: 14.5px;
      letter-spacing:-.2px;
    }
    .t-role{
      margin-top: 6px;
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.4;
    }
    .t-text{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.85;
    }
    .t-bottom{
      margin-top:auto;
      display:flex; gap: 8px; flex-wrap:wrap;
    }

    .category-grid{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 10px;
    }
    .cat{
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      padding: 12px;
      min-height: 92px;
      display:flex; flex-direction:column; gap: 8px;
    }
    .cat strong{
      font-size: 13.8px;
      letter-spacing:-.2px;
    }
    .cat span{
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.55;
    }
    .cat .mini{
      margin-top:auto;
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .mini .tag{
      padding: 5px 8px; font-size: 11.8px;
      background: rgba(34,197,94,.10);
      border-color: rgba(34,197,94,.18);
      color:#14532d;
    }

    .footer{
      padding: 18px 0 26px;
      margin-top: 10px;
      border-top: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.55);
    }
    .footer-inner{
      display:flex; gap: 14px; flex-wrap:wrap;
      justify-content:space-between; align-items:flex-start;
    }
    .f-left{
      min-width: 280px;
      max-width: 520px;
    }
    .f-left .flogo{
      display:flex; align-items:center; gap:12px;
    }
    .f-left img{width: 44px; height:auto}
    .f-left h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .f-left p{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.8;
    }
    .f-right{
      display:flex; gap: 14px; flex-wrap:wrap; justify-content:flex-end;
      align-items:flex-start;
    }
    .f-col{
      min-width: 190px;
    }
    .f-col h4{
      margin:0 0 10px;
      font-size: 13.5px;
      color:#0f172a;
    }
    .f-links{
      display:flex; flex-direction:column; gap: 8px;
    }
    .f-links a{
      text-decoration:none;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
      padding: 6px 8px;
      border-radius: 12px;
      transition: background .18s ease, color .18s ease;
    }
    .f-links a:hover{
      background: rgba(31,111,235,.10);
      color:#0f2b57;
    }
    .copyright{
      margin-top: 14px;
      color: var(--muted2);
      font-size: 12.5px;
      display:flex; gap: 10px; flex-wrap:wrap;
      justify-content:space-between;
      align-items:center;
    }
    .friends{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 10px;
    }
    .friends a{
      text-decoration:none;
      font-size: 12.8px;
      color:#0f2b57;
      background: rgba(31,111,235,.08);
      border:1px solid rgba(31,111,235,.18);
      padding: 7px 10px;
      border-radius: 999px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .friends a:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(16,24,40,.10);
      background: rgba(31,111,235,.12);
    }

    .floating{
      position:fixed;
      right: 14px; bottom: 14px;
      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: 18px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.82);
      backdrop-filter: blur(10px);
      box-shadow: 0 16px 40px rgba(16,24,40,.14);
      padding: 10px 12px;
      text-decoration:none;
      color:#0f172a;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      max-width: 240px;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 52px rgba(16,24,40,.18);
      border-color: rgba(31,111,235,.25);
    }
    .float-btn .ico{
      width: 36px; height:36px; border-radius: 16px;
      background: rgba(31,111,235,.10);
      border:1px solid rgba(31,111,235,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .float-btn span{
      font-size: 13px;
      font-weight: 750;
      letter-spacing:-.2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .float-qrcode{
      pointer-events:auto;
      width: 250px;
      border-radius: 20px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.90);
      backdrop-filter: blur(10px);
      box-shadow: 0 22px 60px rgba(16,24,40,.18);
      padding: 12px;
      transform-origin: 100% 100%;
      transform: scale(.98);
      opacity: 0;
      visibility:hidden;
      transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    }
    .float-qrcode.open{
      opacity: 1; transform: scale(1); visibility:visible;
    }
    .float-qrcode .q-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .float-qrcode .q-head strong{
      font-size: 13.5px;
      letter-spacing:-.2px;
    }
    .close-x{
      width: 36px; height:36px; border-radius: 16px;
      border:1px solid rgba(16,24,40,.12);
      background: #fff;
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .close-x:active{transform: translateY(1px)}
    .float-qrcode img{
      width: 100%;
      height:auto;
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.08);
      background:#fff;
    }
    .float-qrcode .q-note{
      margin-top: 10px;
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
    }

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

    .anchor{
      scroll-margin-top: 88px;
    }

    .price-row{
      display:flex; gap: 12px; flex-wrap:wrap; align-items:stretch;
    }
    .price-item{
      flex: 1 1 260px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      padding: 14px;
    }
    .price-item h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .price-item p{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.75;
    }
    .price-item .small-grid{
      margin-top: 12px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .small-box{
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.85);
      padding: 12px;
    }
    .small-box strong{
      display:block;
      font-size: 14px;
    }
    .small-box span{
      display:block;
      margin-top:6px;
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.5;
    }

    .badge-network{
      display:flex; gap: 8px; flex-wrap:wrap; margin-top: 10px;
    }
    .network-badge{
      background: rgba(31,111,235,.08);
      border:1px solid rgba(31,111,235,.18);
      color:#0f2b57;
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12.6px;
      white-space:nowrap;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .services-grid{grid-template-columns: 1fr 1fr}
      .testimonials{grid-template-columns: 1fr 1fr}
      .grid-3{grid-template-columns: 1fr 1fr}
      .articles{grid-template-columns: 1fr}
      .category-grid{grid-template-columns: 1fr 1fr}
      .two-col{grid-template-columns: 1fr}
      .cards-2{grid-template-columns: 1fr}
      .mobile-toggle{display:flex}
      nav{display:none}
      .mobile-panel{display:block}
    }
    @media (max-width: 560px){
      .services-grid{grid-template-columns: 1fr}
      .testimonials{grid-template-columns: 1fr}
      .grid-3{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .category-grid{grid-template-columns: 1fr}
      .hero-card{padding: 18px}
      .side-stat{padding: 16px}
      .float-qrcode{width: 220px}
      .compare-table{min-width: 680px}
      header{position:sticky}
    }

    @media (prefers-reduced-motion: reduce){
      *{transition:none !important; animation:none !important; scroll-behavior:auto !important}
      .reveal{opacity:1; transform:none}
    }