:root{
      --bg0:#f7f7fb;
      --bg1:#ffffff;
      --text:#1f2328;
      --muted:#5b6572;
      --sub:#6a7484;
      --border:rgba(18,22,30,.12);
      --shadow:0 10px 30px rgba(20,30,55,.08);
      --shadow2:0 18px 60px rgba(18,22,30,.12);
      --primary:#2b6bff;
      --primary2:#6b2bff;
      --accent:#14b8a6;
      --warn:#f59e0b;
      --good:#22c55e;
      --danger:#ef4444;
      --radius:18px;
      --radius2:26px;
      --container:1120px;
      --pad:18px;
      --focus:0 0 0 4px rgba(43,107,255,.18);
      --glow: rgba(98, 255, 215, .32);
      --laser1: rgba(120, 75, 255, .55);
      --laser2: rgba(45, 185, 255, .45);
      --laser3: rgba(255, 68, 186, .35);
    }
    *{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 SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 600px at 15% 0%, rgba(99,102,241,.15), transparent 55%),
        radial-gradient(900px 600px at 85% 10%, rgba(45,185,255,.14), transparent 52%),
        radial-gradient(700px 500px at 40% 40%, rgba(20,184,166,.12), transparent 55%),
        linear-gradient(180deg, #f6f7ff 0%, #fbfcff 40%, #f7f7fb 100%);
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    .skip{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip:focus{
      left:12px;top:12px;width:auto;height:auto;padding:10px 12px;background:#fff;border:1px solid var(--border);border-radius:12px;z-index:9999;outline:none;box-shadow:var(--shadow);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(150%) blur(12px);
      background:rgba(247,247,251,.72);
      border-bottom:1px solid rgba(18,22,30,.06);
    }
    .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: 240px;
    }
    .logo{
      width:42px; height:42px; border-radius:14px; overflow:hidden;
      background: linear-gradient(135deg, rgba(43,107,255,.18), rgba(107,43,255,.18));
      border:1px solid rgba(43,107,255,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 10px 22px rgba(43,107,255,.10);
    }
    .logo img{width:100%; height:100%; object-fit:cover}
    .brand-title{
      display:flex; flex-direction:column; gap:2px; line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    .nav-links{
      display:flex; align-items:center; gap:14px; flex-wrap:nowrap;
      overflow:hidden;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:var(--muted);
      padding:10px 10px;
      border-radius:12px;
      transition: background .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{background:rgba(43,107,255,.08); color:var(--text)}
    .nav-actions{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      appearance:none; border:none; cursor:pointer;
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:11px 14px; border-radius:14px;
      text-decoration:none;
      font-weight:650; letter-spacing:.2px;
      border:1px solid transparent;
      transition: transform .12s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow:var(--focus)}
    .btn:active{transform:translateY(1px)}
    .btn-primary{
      color:#fff;
      background:
        linear-gradient(135deg, rgba(43,107,255,1), rgba(107,43,255,1));
      box-shadow: 0 14px 30px rgba(43,107,255,.25);
      border-color: rgba(255,255,255,.14);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 40px rgba(43,107,255,.28);
      transform:translateY(-1px);
    }
    .btn-ghost{
      background: rgba(255,255,255,.65);
      border-color: rgba(18,22,30,.10);
      color:var(--text);
      box-shadow: 0 10px 24px rgba(20,30,55,.06);
    }
    .btn-ghost:hover{
      background: rgba(255,255,255,.88);
      border-color: rgba(18,22,30,.14);
      transform:translateY(-1px);
    }
    .icon{
      width:18px; height:18px; display:inline-block; flex:0 0 auto;
    }

    .burger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(18,22,30,.12);
      background:rgba(255,255,255,.65);
      box-shadow: 0 10px 24px rgba(20,30,55,.06);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition:transform .12s ease, background .2s ease;
    }
    .burger:hover{background:rgba(255,255,255,.88); transform:translateY(-1px)}
    .burger:focus{outline:none; box-shadow:var(--focus)}
    .burger svg{width:18px;height:18px}
    .mobile-panel{
      display:none;
      padding:0 0 14px;
    }
    .mobile-panel .panel{
      border:1px solid rgba(18,22,30,.10);
      border-radius:18px;
      background: rgba(255,255,255,.82);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .mobile-panel .panel a{
      display:flex; align-items:center; justify-content:space-between;
      padding:14px 14px;
      text-decoration:none;
      color:var(--text);
      border-top:1px solid rgba(18,22,30,.06);
      font-weight:600;
      font-size:14px;
    }
    .mobile-panel .panel a:first-child{border-top:none}
    .mobile-panel .panel a span{
      color:var(--muted); font-weight:600; font-size:12px;
    }

    main{padding: 18px 0 54px}
    .hero{
      position:relative;
      padding: 34px 0 22px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-left{
      position:relative;
      border-radius: var(--radius2);
      border: 1px solid rgba(18,22,30,.10);
      background:
        radial-gradient(900px 460px at 15% 0%, rgba(43,107,255,.20), transparent 60%),
        radial-gradient(700px 420px at 92% 10%, rgba(107,43,255,.18), transparent 55%),
        radial-gradient(520px 360px at 40% 60%, rgba(20,184,166,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.84) 0%, rgba(255,255,255,.62) 100%);
      box-shadow: var(--shadow2);
      padding: 22px 20px;
    }
    .laser{
      pointer-events:none;
      position:absolute; inset:-40px -20px auto -20px;
      height: 210px;
      background:
        conic-gradient(from 180deg, rgba(20,184,166,.0), rgba(20,184,166,.35), rgba(43,107,255,.35), rgba(255,68,186,.22), rgba(20,184,166,.0));
      filter: blur(18px);
      opacity:.85;
      transform: rotate(-6deg);
      mask-image: radial-gradient(closest-side, rgba(0,0,0,1), rgba(0,0,0,0));
    }
    .hero-topline{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom: 10px;
      position:relative;
      z-index:1;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px; border-radius:999px;
      border:1px solid rgba(43,107,255,.22);
      background: rgba(255,255,255,.65);
      color: var(--text);
      font-weight:700;
      font-size:12px;
      letter-spacing:.2px;
    }
    .pill i{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.0) 55%),
      linear-gradient(135deg, rgba(43,107,255,1), rgba(107,43,255,1));
      box-shadow: 0 0 0 6px rgba(43,107,255,.14);
    }
    .hero-title{
      position:relative; z-index:1;
      font-size: 30px;
      line-height:1.25;
      margin: 4px 0 12px;
      letter-spacing:-.4px;
    }
    .hero-sub{
      position:relative; z-index:1;
      color: var(--muted);
      font-size: 14.5px;
      line-height:1.75;
      margin:0 0 16px;
      max-width: 62ch;
    }
    .hero-cta{
      position:relative; z-index:1;
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      margin-top: 8px;
    }
    .mini-note{
      display:flex; align-items:center; gap:10px;
      color: var(--sub);
      font-size:12.5px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px dashed rgba(18,22,30,.16);
      background: rgba(255,255,255,.55);
    }
    .mini-note b{color:var(--text)}
    .hero-right{
      border-radius: var(--radius2);
      border: 1px solid rgba(18,22,30,.10);
      background:
        radial-gradient(650px 460px at 30% 0%, rgba(45,185,255,.18), transparent 58%),
        radial-gradient(520px 420px at 100% 10%, rgba(255,68,186,.13), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.74) 0%, rgba(255,255,255,.60) 100%);
      box-shadow: var(--shadow);
      padding: 18px;
      display:flex; flex-direction:column; gap:12px;
      overflow:hidden;
      position:relative;
    }
    .hero-right:before{
      content:"";
      position:absolute; inset:-120px -70px auto auto;
      width: 260px; height: 260px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), rgba(255,255,255,0) 55%),
      conic-gradient(from 200deg, rgba(43,107,255,.0), rgba(43,107,255,.35), rgba(20,184,166,.22), rgba(255,68,186,.18), rgba(43,107,255,.0));
      filter: blur(2px);
      opacity:.85;
      transform: rotate(18deg);
    }
    .stat-grid{
      position:relative; z-index:1;
      display:grid; grid-template-columns:1fr 1fr; gap:12px;
      margin-top:4px;
    }
    .stat{
      background: rgba(255,255,255,.68);
      border: 1px solid rgba(18,22,30,.10);
      border-radius: 18px;
      padding: 12px 12px;
      transition: transform .18s ease, box-shadow .25s ease;
      box-shadow: 0 10px 24px rgba(20,30,55,.06);
    }
    .stat:hover{transform:translateY(-2px); box-shadow: 0 16px 40px rgba(20,30,55,.10)}
    .stat .num{
      font-size: 18px; font-weight:860; letter-spacing:-.2px;
      display:flex; align-items:baseline; gap:8px;
    }
    .stat .num em{
      font-style:normal;
      font-size:12px; color: var(--muted); font-weight:800;
      padding:4px 8px; border-radius:999px; border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.55);
    }
    .stat .label{
      margin-top:6px;
      color: var(--muted);
      font-size:12.5px;
      line-height:1.45;
    }
    .pulse-dot{
      width:10px;height:10px;border-radius:50%;
      background: rgba(34,197,94,.95);
      box-shadow: 0 0 0 0 rgba(34,197,94,.45);
      animation: pulse 1.8s infinite;
    }
    @keyframes pulse{
      0%{ box-shadow: 0 0 0 0 rgba(34,197,94,.45);}
      70%{ box-shadow: 0 0 0 14px rgba(34,197,94,0);}
      100%{ box-shadow: 0 0 0 0 rgba(34,197,94,0);}
    }
    .hero-right .deliver{
      position:relative; z-index:1;
      display:flex; align-items:flex-start; gap:12px;
      padding: 14px 12px;
      border-radius: 18px;
      border: 1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.62);
    }
    .deliver h3{
      margin:0; font-size:14px; letter-spacing:-.2px;
    }
    .deliver p{
      margin:4px 0 0; color:var(--muted); font-size:12.8px; line-height:1.6;
    }
    .deliver .badge{
      flex:0 0 auto;
      width:40px;height:40px;border-radius:16px;
      background: linear-gradient(135deg, rgba(20,184,166,.22), rgba(43,107,255,.18));
      border:1px solid rgba(43,107,255,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 28px rgba(43,107,255,.10);
    }
    .deliver svg{width:18px;height:18px}

    .section{
      padding: 22px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between;
      gap:14px; margin-bottom: 14px;
    }
    .kicker{
      font-weight:850; font-size:12px; letter-spacing:.18em;
      color: rgba(43,107,255,.88);
      text-transform:uppercase;
    }
    h2{
      margin:6px 0 0;
      font-size: 22px; letter-spacing:-.35px; line-height:1.3;
    }
    .section-sub{
      margin:0;
      color: var(--muted);
      font-size:13.8px;
      line-height:1.7;
      max-width: 62ch;
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .grid-2{
      display:grid; grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .card{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(18,22,30,.10);
      border-radius: var(--radius);
      box-shadow: 0 12px 26px rgba(20,30,55,.06);
      padding: 16px;
      transition: transform .18s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 50px rgba(20,30,55,.10);
      border-color: rgba(43,107,255,.20);
    }
    .card h3{
      margin:0 0 8px;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13.3px;
      line-height:1.7;
    }
    .feature-top{
      display:flex; align-items:flex-start; gap:12px;
    }
    .feature-icon{
      width:44px;height:44px;border-radius:18px;
      background: linear-gradient(135deg, rgba(43,107,255,.16), rgba(107,43,255,.12));
      border:1px solid rgba(43,107,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      box-shadow: 0 14px 28px rgba(43,107,255,.10);
    }
    .feature-icon svg{width:20px;height:20px}
    .list{
      margin: 10px 0 0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color: var(--muted);
      font-size:13.2px; line-height:1.55;
    }
    .check{
      width:18px; height:18px; border-radius:8px;
      background: rgba(34,197,94,.14);
      border:1px solid rgba(34,197,94,.25);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .check svg{width:12px;height:12px}

    .steps{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .step{
      position:relative;
      overflow:hidden;
    }
    .step .n{
      display:flex; align-items:center; justify-content:space-between;
      gap:10px;
      margin-bottom:8px;
    }
    .step .n b{
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .step .n .tag{
      font-size:12px; color: rgba(43,107,255,.92);
      background: rgba(43,107,255,.08);
      border:1px solid rgba(43,107,255,.18);
      padding:6px 10px; border-radius:999px; font-weight:800;
    }
    .step:after{
      content:"";
      position:absolute; inset:auto -40px -60px auto;
      width:130px;height:130px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.6), rgba(255,255,255,0) 55%),
      conic-gradient(from 210deg, rgba(43,107,255,.0), rgba(43,107,255,.25), rgba(20,184,166,.18), rgba(255,68,186,.13), rgba(43,107,255,.0));
      filter: blur(2px);
      opacity:.45;
      transform: rotate(20deg);
      pointer-events:none;
    }

    .compare{
      overflow:hidden;
      border-radius: var(--radius2);
      border: 1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow);
    }
    .compare .headbar{
      display:flex; align-items:center; justify-content:space-between;
      padding: 14px 16px;
      border-bottom: 1px solid rgba(18,22,30,.08);
      background:
        radial-gradient(700px 220px at 20% 0%, rgba(43,107,255,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.66));
    }
    .stars{
      display:flex; align-items:center; gap:10px;
      color: var(--text);
      font-weight:900;
    }
    .star-row{display:flex; gap:5px; align-items:center}
    .star{
      width:18px;height:18px;
      filter: drop-shadow(0 8px 16px rgba(245,158,11,.18));
    }
    .score-badge{
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(245,158,11,.30);
      background: rgba(245,158,11,.10);
      font-weight:900;
      color: rgba(146, 64, 14, .95);
      font-size:12.5px;
    }
    .compare table{
      width:100%;
      border-collapse:collapse;
      font-size:13.2px;
    }
    .compare th, .compare td{
      padding: 12px 12px;
      border-bottom:1px solid rgba(18,22,30,.06);
      vertical-align:top;
    }
    .compare th{
      text-align:left;
      color: var(--muted);
      font-weight:800;
      background: rgba(255,255,255,.55);
    }
    .compare td:nth-child(2), .compare td:nth-child(3){
      width: 28%;
    }
    .td-good{color: rgba(22,163,74,.98); font-weight:850}
    .td-neutral{color: var(--muted); font-weight:750}
    .td-bad{color: rgba(239,68,68,.96); font-weight:850}
    .mini-bullets{margin:0; padding-left:18px; color:var(--muted)}
    .mini-bullets li{margin:6px 0; line-height:1.55}
    .compare .foot-cta{
      padding: 14px 16px;
      display:flex; gap:12px; align-items:center; justify-content:space-between;
      flex-wrap:wrap;
      border-top: 1px solid rgba(18,22,30,.08);
      background: rgba(255,255,255,.60);
    }
    .compare .foot-cta p{
      margin:0; color:var(--muted); font-size:13px; line-height:1.6;
      max-width: 68ch;
    }

    .timeline{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .timeline-card{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 26px rgba(20,30,55,.06);
    }
    .timeline-card h3{
      margin:0 0 10px; font-size:15px; letter-spacing:-.2px;
    }
    .time-list{
      display:flex; flex-direction:column; gap:10px;
      margin:0; padding:0; list-style:none;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
    }
    .dot{
      width:14px;height:14px;border-radius:6px;
      background: linear-gradient(135deg, rgba(43,107,255,.9), rgba(107,43,255,.65));
      box-shadow: 0 0 0 6px rgba(43,107,255,.14);
      margin-top:4px;
      flex:0 0 auto;
    }
    .time-item b{font-size:13.5px}
    .time-item p{margin:2px 0 0; color:var(--muted); font-size:13.1px; line-height:1.6}

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      margin: 10px 0 14px;
    }
    .tab{
      border-radius: 999px;
      padding: 9px 12px;
      border: 1px solid rgba(18,22,30,.12);
      background: rgba(255,255,255,.62);
      cursor:pointer;
      font-weight:800;
      font-size: 12.8px;
      color: var(--muted);
      transition: background .2s ease, color .2s ease, border-color .2s ease, transform .12s ease;
      user-select:none;
    }
    .tab:focus{outline:none; box-shadow:var(--focus)}
    .tab:hover{transform: translateY(-1px)}
    .tab.active{
      background: rgba(43,107,255,.10);
      border-color: rgba(43,107,255,.25);
      color: rgba(25,60,160, .98);
    }

    .cases{
      display:grid; grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:stretch;
    }
    .case-left .case-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .case-item{
      padding: 14px;
      border-radius: 18px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      transition: transform .18s ease, box-shadow .25s ease;
      box-shadow: 0 12px 26px rgba(20,30,55,.05);
    }
    .case-item:hover{transform:translateY(-2px); box-shadow: 0 18px 46px rgba(20,30,55,.10)}
    .case-item .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:8px;
    }
    .case-item .top b{font-size:14px}
    .chip{
      font-size:12px;
      border-radius:999px;
      padding: 6px 10px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.55);
      color: var(--muted);
      font-weight:850;
    }
    .case-item p{margin:0; color:var(--muted); font-size:13.2px; line-height:1.65}
    .case-right .media{
      border-radius: var(--radius);
      border:1px solid rgba(18,22,30,.10);
      overflow:hidden;
      background:
        radial-gradient(700px 300px at 10% 0%, rgba(43,107,255,.18), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.60));
      box-shadow: 0 12px 26px rgba(20,30,55,.06);
    }
    .media .img-row{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px; padding: 12px;
    }
    .img-box{
      border-radius: 16px;
      border:1px solid rgba(18,22,30,.10);
      overflow:hidden;
      background:#fff;
      box-shadow: 0 14px 30px rgba(20,30,55,.06);
      aspect-ratio: 4/3;
      display:flex; align-items:center; justify-content:center;
    }
    .img-box img{
      width:100%; height:100%;
      object-fit:cover;
      display:block;
    }
    .media .caption{
      padding: 10px 12px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }

    .article-list{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .article{
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 26px rgba(20,30,55,.06);
      transition: transform .18s ease, box-shadow .25s ease;
      display:flex; flex-direction:column; gap:10px;
    }
    .article:hover{transform:translateY(-2px); box-shadow: 0 18px 46px rgba(20,30,55,.10)}
    .article .meta{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      color: var(--muted); font-weight:800; font-size:12.3px;
    }
    .article h3{
      margin:0; font-size:15px; letter-spacing:-.2px; line-height:1.35;
    }
    .article p{
      margin:0; color: var(--muted); font-size:13.2px; line-height:1.7;
    }
    .article a.more{
      margin-top:auto;
      text-decoration:none;
      display:inline-flex; align-items:center; gap:10px;
      font-weight:900;
      color: rgba(25,60,160,.98);
    }
    .article a.more .arrow{
      width:28px;height:28px;border-radius:12px;
      border:1px solid rgba(43,107,255,.22);
      background: rgba(43,107,255,.08);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    .article:hover a.more .arrow{transform:translateX(2px)}

    .faq{
      border-radius: var(--radius2);
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    details.faq-item{
      border-top:1px solid rgba(18,22,30,.08);
      padding: 0;
    }
    details.faq-item:first-child{border-top:none}
    details.faq-item > summary{
      list-style:none;
      cursor:pointer;
      padding: 14px 16px;
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      font-weight:900;
      font-size:14px;
      color:var(--text);
      background: rgba(255,255,255,.55);
      transition: background .2s ease;
    }
    details.faq-item > summary::-webkit-details-marker{display:none}
    details.faq-item[open] > summary{
      background: rgba(43,107,255,.07);
    }
    .faq-icon{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.62);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease, border-color .2s ease;
    }
    details[open] .faq-icon{
      transform: rotate(45deg);
      border-color: rgba(43,107,255,.22);
    }
    .faq-answer{
      padding: 0 16px 14px;
      color: var(--muted);
      font-size:13.4px;
      line-height:1.8;
    }

    .review-grid{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .review{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 26px rgba(20,30,55,.06);
      transition: transform .18s ease, box-shadow .25s ease;
      display:flex; flex-direction:column; gap:10px;
    }
    .review:hover{transform:translateY(-2px); box-shadow: 0 18px 46px rgba(20,30,55,.10)}
    .review .who{
      display:flex; align-items:center; gap:12px;
    }
    .avatar{
      width:42px;height:42px;border-radius:18px;
      background: linear-gradient(135deg, rgba(43,107,255,.18), rgba(20,184,166,.12));
      border:1px solid rgba(43,107,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; color: rgba(25,60,160,.98);
      box-shadow: 0 14px 30px rgba(43,107,255,.10);
      flex:0 0 auto;
    }
    .review .who b{font-size:13.8px}
    .review .who span{display:block; color:var(--muted); font-size:12.5px; margin-top:2px}
    .review p{
      margin:0;
      color: var(--muted);
      font-size: 13.3px;
      line-height: 1.75;
    }
    .review .stars-mini{
      display:flex; gap:4px; align-items:center; margin-top:auto;
      color: rgba(245,158,11,.98);
    }

    form{
      display:grid; gap:12px;
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-weight:850; font-size:12.8px;
      color: var(--text);
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(18,22,30,.12);
      padding: 12px 12px;
      background: rgba(255,255,255,.85);
      color: var(--text);
      font-size: 14px;
      transition: box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      outline:none;
      box-shadow: var(--focus);
      border-color: rgba(43,107,255,.35);
      background:#fff;
    }
    .form-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(18,22,30,.10);
      background:
        radial-gradient(820px 360px at 10% 0%, rgba(43,107,255,.18), transparent 58%),
        radial-gradient(720px 320px at 100% 10%, rgba(255,68,186,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.60));
      box-shadow: var(--shadow2);
      padding: 16px;
      overflow:hidden;
      position:relative;
    }
    .form-card .form-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .form-card .form-head h3{
      margin:0;
      font-size:16px; letter-spacing:-.2px;
    }
    .form-card .form-head p{
      margin:6px 0 0; color: var(--muted); font-size:13.2px; line-height:1.7; max-width: 60ch;
    }
    .form-card .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top: 2px;
      padding-top: 4px;
    }
    .hint{
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.6;
    }
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 10px;
    }
    .tag-cloud .t{
      border-radius: 999px;
      padding: 9px 12px;
      border: 1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.65);
      font-weight:900; font-size:12.6px;
      color: var(--muted);
      cursor:pointer;
      transition: transform .12s ease, border-color .2s ease, background .2s ease;
      user-select:none;
    }
    .tag-cloud .t:hover{
      transform:translateY(-1px);
      border-color: rgba(43,107,255,.22);
      background: rgba(255,255,255,.85);
    }
    .tag-cloud .t.active{
      color: rgba(25,60,160,.98);
      border-color: rgba(43,107,255,.28);
      background: rgba(43,107,255,.10);
    }

    .net-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
      align-items:stretch;
    }
    .net-map{
      border-radius: var(--radius2);
      border:1px solid rgba(18,22,30,.10);
      background:
        radial-gradient(600px 320px at 10% 10%, rgba(43,107,255,.16), transparent 55%),
        radial-gradient(520px 260px at 90% 10%, rgba(20,184,166,.14), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.60));
      box-shadow: var(--shadow);
      padding: 16px;
      position:relative;
      overflow:hidden;
    }
    .net-map .map{
      border-radius: 20px;
      border:1px dashed rgba(18,22,30,.14);
      background:
        radial-gradient(circle at 30% 35%, rgba(43,107,255,.18), transparent 52%),
        radial-gradient(circle at 70% 60%, rgba(20,184,166,.16), transparent 55%),
        radial-gradient(circle at 50% 15%, rgba(255,68,186,.10), transparent 52%),
        rgba(255,255,255,.48);
      min-height: 240px;
      display:grid; place-items:center;
      padding: 12px;
      position:relative;
    }
    .map .gridline{
      position:absolute; inset:0;
      background:
        linear-gradient(transparent 0 95%, rgba(18,22,30,.07) 95% 100%),
        linear-gradient(90deg, transparent 0 95%, rgba(18,22,30,.07) 95% 100%);
      background-size: 40px 40px, 40px 40px;
      opacity:.35;
      pointer-events:none;
      mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1), rgba(0,0,0,0) 70%);
    }
    .nodes{
      position:relative; z-index:1;
      width:100%; max-width: 430px; aspect-ratio: 16/10;
    }
    .node{
      position:absolute;
      width:12px;height:12px;border-radius:6px;
      background: linear-gradient(135deg, rgba(43,107,255,.95), rgba(107,43,255,.65));
      box-shadow: 0 0 0 6px rgba(43,107,255,.14);
      cursor:pointer;
    }
    .node span{
      position:absolute;
      transform:translate(-50%, -125%);
      left:50%; top:0;
      padding:7px 10px;
      border-radius: 999px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.92);
      color: var(--muted);
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
    }
    .node:hover span{
      opacity:1;
      transform:translate(-50%, -140%);
    }
    .net-list{
      border-radius: var(--radius2);
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow);
      padding: 16px;
      display:flex; flex-direction:column; gap:12px;
    }
    .net-list h3{margin:0; font-size:16px; letter-spacing:-.2px}
    .net-row{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.62);
    }
    .net-row .k{
      width:44px;height:44px;border-radius:18px;
      border:1px solid rgba(43,107,255,.22);
      background: linear-gradient(135deg, rgba(43,107,255,.16), rgba(20,184,166,.10));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      box-shadow: 0 14px 30px rgba(43,107,255,.10);
    }
    .net-row .k svg{width:20px;height:20px}
    .net-row b{display:block; font-size:14px}
    .net-row p{margin:5px 0 0; color:var(--muted); font-size:13.2px; line-height:1.65}

    .section-anchor{scroll-margin-top: 86px}
    .ai-blog{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 10px;
    }
    .ai-blog .link{
      text-decoration:none;
      padding: 9px 12px;
      border-radius:999px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.64);
      color: var(--muted);
      font-weight:900;
      font-size:12.8px;
      transition: transform .12s ease, border-color .2s ease, background .2s ease;
      white-space:nowrap;
    }
    .ai-blog .link:hover{transform:translateY(-1px); border-color: rgba(43,107,255,.22); background: rgba(255,255,255,.86)}
    .clients-row{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      padding: 14px 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.64);
      box-shadow: 0 12px 26px rgba(20,30,55,.06);
      margin-top: 14px;
    }
    .clients-row .left{
      display:flex; align-items:center; gap:12px;
    }
    .logo-mini{
      width:46px;height:46px;border-radius:18px;
      border:1px solid rgba(43,107,255,.22);
      background: linear-gradient(135deg, rgba(43,107,255,.16), rgba(107,43,255,.12));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 30px rgba(43,107,255,.10);
    }
    .clients-row b{font-size:14px}
    .clients-row p{margin:4px 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    .clients-row .right{
      display:flex; gap:10px; flex-wrap:wrap;
    }

    .footer{
      padding: 22px 0 30px;
      border-top: 1px solid rgba(18,22,30,.08);
      background:
        radial-gradient(820px 380px at 10% 0%, rgba(43,107,255,.10), transparent 60%),
        radial-gradient(720px 340px at 95% 10%, rgba(255,68,186,.08), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.60), rgba(255,255,255,.75));
      color: var(--text);
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.15fr .85fr;
      gap: 14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius2);
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 26px rgba(20,30,55,.06);
      padding: 16px;
    }
    .footer-card h3{margin:0 0 10px; font-size:15.5px; letter-spacing:-.2px}
    .footer-card p{margin:0; color:var(--muted); font-size:13.2px; line-height:1.8}
    .footer-links{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:12px;
    }
    .footer-links a{
      text-decoration:none;
      border-radius:999px;
      padding: 9px 12px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.64);
      color: var(--muted);
      font-weight:900;
      font-size:12.6px;
      transition: transform .12s ease, border-color .2s ease, background .2s ease;
    }
    .footer-links a:hover{transform:translateY(-1px); border-color: rgba(43,107,255,.22); background: rgba(255,255,255,.86)}
    .copyright{
      margin-top: 12px;
      color: var(--muted);
      font-size: 12.8px;
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }
    .copyright .sep{opacity:.45}
    .system-foot{
      margin-top: 12px;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
    }
    .copy-btn{
      border-radius:14px;
      padding: 10px 12px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.65);
      cursor:pointer;
      font-weight:900;
      color: var(--muted);
      transition: transform .12s ease, background .2s ease, border-color .2s ease;
    }
    .copy-btn:hover{transform:translateY(-1px); background: rgba(255,255,255,.88); border-color: rgba(18,22,30,.16)}
    .copy-btn:focus{outline:none; box-shadow:var(--focus)}

    .float-kefu{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index:80;
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
    }
    .kefu-card{
      display:none;
      width: 230px;
      border-radius: 18px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.92);
      box-shadow: var(--shadow2);
      overflow:hidden;
      transform-origin: 100% 100%;
      animation: pop .18s ease both;
    }
    @keyframes pop{
      from{opacity:0; transform:scale(.96) translateY(6px)}
      to{opacity:1; transform:scale(1) translateY(0)}
    }
    .kefu-card .top{
      padding: 12px 12px 10px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom:1px solid rgba(18,22,30,.06);
      background: radial-gradient(480px 180px at 10% 0%, rgba(43,107,255,.12), transparent 55%);
    }
    .kefu-card .top b{font-size:13.5px}
    .kefu-card .top button{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.72);
      cursor:pointer;
    }
    .kefu-card .qr{
      padding: 12px;
      display:grid; place-items:center;
    }
    .kefu-card img{
      width: 150px; height:auto;
      border-radius: 14px;
      border:1px solid rgba(18,22,30,.10);
      box-shadow: 0 16px 40px rgba(20,30,55,.12);
      background:#fff;
    }
    .kefu-card .bottom{
      padding: 0 12px 12px;
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
    }
    .kefu-btn{
      width: 54px; height: 54px;
      border-radius: 20px;
      border: 1px solid rgba(43,107,255,.22);
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), rgba(255,255,255,0) 55%),
        linear-gradient(135deg, rgba(43,107,255,.95), rgba(107,43,255,.85));
      box-shadow: 0 20px 50px rgba(43,107,255,.25);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .12s ease, box-shadow .2s ease;
      color:#fff;
      position:relative;
    }
    .kefu-btn:hover{transform:translateY(-2px); box-shadow: 0 26px 70px rgba(43,107,255,.28)}
    .kefu-btn:focus{outline:none; box-shadow: var(--focus)}
    .kefu-btn svg{width:22px;height:22px}
    .kefu-btn .badge{
      position:absolute;
      top:-7px; right:-7px;
      width:20px;height:20px;border-radius:9px;
      background: rgba(34,197,94,.98);
      border:2px solid rgba(255,255,255,.95);
      box-shadow: 0 12px 22px rgba(34,197,94,.25);
    }

    .to-top{
      position:fixed;
      right: 14px;
      bottom: 84px;
      z-index:80;
      display:none;
      width: 46px;height:46px;border-radius:18px;
      border:1px solid rgba(18,22,30,.10);
      background: rgba(255,255,255,.86);
      box-shadow: var(--shadow);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .12s ease, background .2s ease, opacity .2s ease;
    }
    .to-top:hover{transform:translateY(-2px); background:#fff}
    .to-top svg{width:18px;height:18px; color: rgba(25,60,160,.98)}
    .fade-in{
      opacity:0; transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .fade-in.show{
      opacity:1; transform: translateY(0);
    }

    @media (max-width: 980px){
      .nav-links{display:none}
      .burger{display:flex}
      .mobile-panel{display:block}
      .hero-grid{grid-template-columns: 1fr; }
      .grid-3{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr; }
      .steps{grid-template-columns: repeat(2, 1fr)}
      .cases{grid-template-columns: 1fr}
      .case-left .case-grid{grid-template-columns: 1fr 1fr}
      .article-list{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .timeline{grid-template-columns: 1fr}
      .net-grid{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .compare td:nth-child(2), .compare td:nth-child(3){width:auto}
      .compare table{font-size:13px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .fade-in{transition:none}
      .pulse-dot{animation:none}
      .kefu-card{animation:none}
      .card, .stat, .article, .review, .case-item{transition:none}
    }