:root{
      --bg0:#fbfbfe;
      --bg1:#ffffff;
      --text:#15171b;
      --muted:#5a6270;
      --muted2:#7a8597;
      --line:rgba(18,23,35,.10);
      --card:rgba(255,255,255,.86);
      --shadow:0 14px 40px rgba(16,24,40,.10);
      --shadow2:0 10px 28px rgba(16,24,40,.10);
      --brand1:#6d28d9;
      --brand2:#2563eb;
      --brand3:#06b6d4;
      --brand4:#22c55e;
      --brand5:#f97316;
      --accent:#4f46e5;
      --focus:rgba(79,70,229,.20);
      --radius:18px;
      --radius2:24px;
      --container:1120px;
      --pad:20px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 520px at 18% -10%, rgba(109,40,217,.12), transparent 60%),
        radial-gradient(740px 420px at 78% 0%, rgba(37,99,235,.14), transparent 55%),
        radial-gradient(800px 520px at 40% 18%, rgba(6,182,212,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #f6f7fb 55%, #ffffff 100%);
      overflow-x:hidden;
    }

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

    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:20px; top:20px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:10px; z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.68);
      border-bottom:1px solid rgba(18,23,35,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:240px;
    }
    .ai-page-logo{
      width:40px; height:40px; object-fit:contain;
      filter:saturate(1.05);
    }
    .brand-text{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand-text strong{font-size:14px; letter-spacing:.2px}
    .brand-text span{font-size:12px; color:var(--muted2)}
    nav{
      display:flex; align-items:center; gap:14px;
    }
    .nav-links{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(21,23,27,.85);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(79,70,229,.08);
      border-color: rgba(79,70,229,.18);
      transform: translateY(-1px);
    }
    .nav-right{
      display:flex; align-items:center; gap:12px;
      justify-content:flex-end;
      min-width:220px;
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(79,70,229,.26);
      background: rgba(255,255,255,.82);
      color:rgba(21,23,27,.92);
      font-weight:650;
      font-size:13px;
      letter-spacing:.2px;
      box-shadow: 0 8px 22px rgba(79,70,229,.10);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
    }
    .btn:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(79,70,229,.18);
      border-color: rgba(79,70,229,.38);
      background:#ffffff;
    }
    .btn-primary{
      border-color: rgba(79,70,229,.18);
      background: linear-gradient(135deg, rgba(79,70,229,.95), rgba(37,99,235,.92));
      color:#fff;
      box-shadow: 0 14px 30px rgba(79,70,229,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 40px rgba(79,70,229,.30);
    }

    .btn-ghost{
      border-color: rgba(18,23,35,.12);
      background: rgba(255,255,255,.70);
      box-shadow:none;
      font-weight:620;
    }
    .btn-ghost:hover{
      box-shadow: 0 10px 22px rgba(16,24,40,.10);
      background:#fff;
    }

    .icon{
      width:18px; height:18px; flex:0 0 auto;
    }

    .mobile-toggle{
      display:none;
      border-radius:14px;
      border:1px solid rgba(18,23,35,.12);
      background: rgba(255,255,255,.72);
      padding:10px 12px;
      cursor:pointer;
      align-items:center;
      justify-content:center;
      gap:10px;
      font-weight:650;
      color:rgba(21,23,27,.9);
      transition: transform .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .mobile-toggle:hover{transform: translateY(-1px); background:#fff;}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px;
      background: rgba(21,23,27,.82);
      border-radius:999px;
      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:12px 0 16px;
    }
    .mobile-panel .panel-links{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .mobile-panel a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.72);
      font-size:13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .mobile-panel a:hover{
      transform: translateY(-1px);
      border-color: rgba(79,70,229,.20);
      background:#fff;
    }

    main{padding-bottom:40px}

    .hero{
      position:relative;
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      padding:20px 0;
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .eyebrow{
      display:flex; align-items:center; gap:10px;
      color:rgba(21,23,27,.86);
      font-size:13px;
      font-weight:650;
    }
    .eyebrow .dot{
      width:10px; height:10px; border-radius:50%;
      background: conic-gradient(from 180deg, var(--brand1), var(--brand2), var(--brand3), var(--brand4), var(--brand5), var(--brand1));
      box-shadow: 0 0 0 6px rgba(79,70,229,.10);
    }
    h1{
      margin:0;
      font-size:40px;
      letter-spacing:-.6px;
      line-height:1.08;
    }
    .hero-sub{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
      max-width:62ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      align-items:center;
      margin-top:2px;
    }
    .hero-mini{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:8px;
      align-items:flex-start;
    }
    .mini-pill{
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.75);
      border-radius:999px;
      padding:9px 12px;
      display:flex; align-items:center; gap:10px;
      color:rgba(21,23,27,.88);
      font-size:13px;
      font-weight:650;
    }
    .mini-pill i{
      width:22px; height:22px; border-radius:8px;
      background: linear-gradient(135deg, rgba(109,40,217,.16), rgba(37,99,235,.16));
      border:1px solid rgba(79,70,229,.16);
      display:inline-flex; align-items:center; justify-content:center;
      font-style:normal;
    }
    .hero-right{
      border-radius:var(--radius2);
      border:1px solid rgba(18,23,35,.10);
      background:
        radial-gradient(600px 260px at 10% 0%, rgba(109,40,217,.20), transparent 55%),
        radial-gradient(520px 260px at 90% 10%, rgba(37,99,235,.18), transparent 50%),
        radial-gradient(520px 340px at 35% 80%, rgba(6,182,212,.14), transparent 58%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow2);
      overflow:hidden;
      position:relative;
      padding:16px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
      transform: translateZ(0);
    }

    .glass-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .stat{
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.72);
      padding:12px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .stat:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(16,24,40,.10);
      border-color: rgba(79,70,229,.18);
    }
    .stat .k{
      font-size:18px;
      font-weight:850;
      letter-spacing:-.2px;
      display:flex; align-items:baseline; gap:8px;
    }
    .stat .k span{
      font-size:12px; font-weight:750; color:rgba(79,70,229,.95);
      background: rgba(79,70,229,.10);
      border:1px solid rgba(79,70,229,.18);
      padding:4px 8px;
      border-radius:999px;
    }
    .stat p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }

    .hero-right .right-bottom{
      border-radius:18px;
      border:1px dashed rgba(79,70,229,.22);
      background: rgba(255,255,255,.55);
      padding:12px 12px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .right-bottom .label{
      font-size:13px;
      font-weight:750;
      color:rgba(21,23,27,.92);
      line-height:1.35;
      margin:0;
    }
    .right-bottom .sub{
      margin:6px 0 0;
      font-size:12.5px;
      color:var(--muted);
      line-height:1.6;
    }
    .spark{
      width:54px; height:54px;
      border-radius:18px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.90), rgba(255,255,255,.0) 55%),
        conic-gradient(from 180deg, rgba(109,40,217,.95), rgba(37,99,235,.92), rgba(6,182,212,.92), rgba(34,197,94,.92), rgba(249,115,22,.92), rgba(109,40,217,.95));
      box-shadow: 0 12px 30px rgba(79,70,229,.22);
      border:1px solid rgba(255,255,255,.35);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .spark:before{
      content:"";
      position:absolute; inset:-30%;
      background: linear-gradient(120deg, transparent 35%, rgba(255,255,255,.45) 50%, transparent 65%);
      transform: translateX(-40%) rotate(20deg);
      animation: sweep 2.8s ease-in-out infinite;
      opacity:.9;
    }
    @keyframes sweep{
      0%{transform: translateX(-55%) rotate(20deg); opacity:.2}
      45%{opacity:.9}
      100%{transform: translateX(55%) rotate(20deg); opacity:.2}
    }

    .section{
      padding:26px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width:60ch;
    }

    .cards{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .card{
      grid-column: span 4;
      border-radius:var(--radius);
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.75);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(79,70,229,.18);
    }
    .card .tag{
      display:inline-flex; align-items:center; gap:8px;
      font-size:12.5px;
      font-weight:800;
      color:rgba(21,23,27,.90);
      background: rgba(79,70,229,.08);
      border:1px solid rgba(79,70,229,.16);
      padding:7px 10px;
      border-radius:999px;
    }
    .card .tag b{
      width:10px; height:10px; border-radius:50%;
      background: conic-gradient(from 180deg, var(--brand1), var(--brand2), var(--brand3), var(--brand4), var(--brand5), var(--brand1));
      display:inline-block;
    }
    .card h3{
      margin:12px 0 6px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }
    .card ul{
      margin:12px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .card li{
      display:flex; gap:10px; align-items:flex-start;
      color:rgba(21,23,27,.86);
      font-size:13px;
      line-height:1.5;
    }
    .check{
      width:18px; height:18px; border-radius:8px;
      border:1px solid rgba(79,70,229,.18);
      background: rgba(79,70,229,.08);
      display:inline-flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .check svg{width:12px; height:12px}

    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .panel{
      border-radius:var(--radius2);
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.75);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .panel.soft{
      background:
        radial-gradient(520px 260px at 10% 0%, rgba(109,40,217,.16), transparent 58%),
        radial-gradient(520px 260px at 95% 0%, rgba(37,99,235,.16), transparent 52%),
        rgba(255,255,255,.72);
    }
    .panel h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .panel p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }

    .steps{
      margin-top:12px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.65);
      transition: transform .18s ease, border-color .18s ease;
    }
    .step:hover{transform: translateY(-1px); border-color: rgba(79,70,229,.18)}
    .step .num{
      width:32px; height:32px;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(79,70,229,.92), rgba(37,99,235,.88));
      color:#fff;
      font-weight:850;
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      box-shadow: 0 12px 26px rgba(79,70,229,.22);
    }
    .step .body strong{display:block; font-size:14px; letter-spacing:-.15px}
    .step .body span{display:block; margin-top:4px; color:var(--muted); font-size:13px; line-height:1.6}

    .compare{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
    }
    .compare th, .compare td{
      padding:12px 12px;
      border-bottom:1px solid rgba(18,23,35,.08);
      vertical-align:top;
      font-size:13.5px;
      line-height:1.6;
    }
    .compare th{
      background: linear-gradient(135deg, rgba(79,70,229,.10), rgba(37,99,235,.08));
      color:rgba(21,23,27,.92);
      font-weight:900;
      text-align:left;
      width:20%;
    }
    .compare tr:last-child td{border-bottom:none}
    .compare td{color:rgba(21,23,27,.85)}
    .pill-row{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .pill{
      border-radius:999px;
      padding:7px 10px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.65);
      color:rgba(21,23,27,.88);
      font-weight:700;
      font-size:12.5px;
    }
    .pill.good{
      border-color: rgba(34,197,94,.22);
      background: rgba(34,197,94,.08);
    }
    .pill.best{
      border-color: rgba(79,70,229,.22);
      background: rgba(79,70,229,.10);
    }

    .stars{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-top:10px;
    }
    .star-row{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      filter: drop-shadow(0 6px 12px rgba(249,115,22,.20));
    }
    .score{
      display:flex; gap:8px; align-items:baseline; flex-wrap:wrap;
    }
    .score b{
      font-size:26px; letter-spacing:-.5px;
    }
    .score span{
      color:var(--muted); font-size:13px; font-weight:700;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .service-card{
      border-radius:var(--radius2);
      border:1px solid rgba(18,23,35,.10);
      background:
        radial-gradient(420px 210px at 10% 0%, rgba(109,40,217,.14), transparent 60%),
        rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
      padding:16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .service-card:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(16,24,40,.10); border-color: rgba(79,70,229,.18)}
    .service-card h3{margin:10px 0 6px; font-size:16px; letter-spacing:-.2px}
    .service-card p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.75}

    .icon-badge{
      width:46px; height:46px;
      border-radius:18px;
      border:1px solid rgba(79,70,229,.16);
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,.0) 52%),
        linear-gradient(135deg, rgba(79,70,229,.22), rgba(37,99,235,.18));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 16px 30px rgba(79,70,229,.10);
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }

    .topic-chips{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .chip{
      border-radius:999px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.65);
      padding:8px 12px;
      font-size:13px;
      color:rgba(21,23,27,.86);
      font-weight:750;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:default;
      user-select:none;
    }
    .chip:hover{transform: translateY(-1px); border-color: rgba(79,70,229,.18); background:#fff}

    .timeline{
      margin-top:12px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.68);
    }
    .time-item .bar{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(79,70,229,.18);
      background: rgba(79,70,229,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:rgba(79,70,229,.95);
      font-weight:900;
    }
    .time-item .t strong{display:block; font-size:14px; letter-spacing:-.15px}
    .time-item .t span{display:block; margin-top:4px; color:var(--muted); font-size:13px; line-height:1.6}

    .list-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .bullet-card{
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.73);
      padding:14px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .bullet-card:hover{transform: translateY(-2px); box-shadow: 0 16px 30px rgba(16,24,40,.10); border-color: rgba(79,70,229,.18)}
    .bullet-card .h{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .bullet-card h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .level{
      font-size:12.5px; font-weight:900;
      border-radius:999px;
      padding:7px 10px;
      border:1px solid rgba(79,70,229,.18);
      background: rgba(79,70,229,.08);
      white-space:nowrap;
      color:rgba(79,70,229,.95);
    }
    .bullet-card p{margin:8px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}

    .cases{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .case{
      grid-column: span 4;
      border-radius:var(--radius2);
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.75);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex; flex-direction:column;
    }
    .case:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(16,24,40,.10); border-color: rgba(79,70,229,.18)}
    .case-media{
      background:
        radial-gradient(520px 220px at 20% 0%, rgba(109,40,217,.18), transparent 58%),
        radial-gradient(520px 240px at 85% 0%, rgba(37,99,235,.16), transparent 52%),
        rgba(255,255,255,.65);
      padding:14px;
    }
    .case-media .imgbox{
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.70);
      overflow:hidden;
    }
    .case-media img{
      width:100%; height:auto; display:block;
      object-fit:cover;
    }
    .case-body{padding:14px 14px 16px; display:flex; flex-direction:column; gap:8px}
    .case-body .meta{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      color:var(--muted);
      font-size:12.5px; font-weight:700;
    }
    .case-body h3{
      margin:0; font-size:15.5px; letter-spacing:-.2px;
    }
    .case-body p{
      margin:0; color:var(--muted); font-size:13.5px; line-height:1.7;
    }
    .case-body .row{
      margin-top:6px;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }

    .article-list{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .article{
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.72);
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article:hover{transform: translateY(-2px); box-shadow: 0 16px 30px rgba(16,24,40,.10); border-color: rgba(79,70,229,.18)}
    .article .left{
      display:flex; flex-direction:column; gap:6px; min-width:0;
    }
    .article .title{
      font-weight:900; letter-spacing:-.2px; font-size:14.5px;
      white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
      max-width:52ch;
    }
    .article .desc{
      color:var(--muted); font-size:13px; line-height:1.6;
      max-width:70ch;
    }
    .article .right{
      flex:0 0 auto;
      display:flex; flex-direction:column; align-items:flex-end; gap:8px;
      color:var(--muted);
      font-size:12.5px; font-weight:750;
    }
    .link-arrow{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:900; color:rgba(79,70,229,.95);
      font-size:13px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(79,70,229,.18);
      background: rgba(79,70,229,.08);
      transition: transform .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .article:hover .link-arrow{transform: translateY(-1px); background: rgba(79,70,229,.12)}

    .faq{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .faq-item{
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.74);
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
    }
    .faq-item:hover{
      border-color: rgba(79,70,229,.18);
      transform: translateY(-1px);
      box-shadow: 0 16px 30px rgba(16,24,40,.08);
    }
    .faq-q{
      width:100%;
      text-align:left;
      background:transparent;
      border:none;
      padding:14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      cursor:pointer;
      font-weight:900;
      color:rgba(21,23,27,.92);
    }
    .faq-q span{
      font-size:14.5px; letter-spacing:-.2px;
      line-height:1.4;
    }
    .faq-plus{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.7);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
      margin-top:-2px;
    }
    .faq-plus svg{width:16px; height:16px}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition: max-height .28s ease;
      border-top:1px solid rgba(18,23,35,.08);
    }
    .faq-a .inner{
      padding:12px 14px 14px;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .faq-item[data-open="true"] .faq-a{
      max-height:320px;
    }
    .faq-item[data-open="true"] .faq-plus{
      transform: rotate(45deg);
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .review{
      grid-column: span 4;
      border-radius:var(--radius2);
      border:1px solid rgba(18,23,35,.10);
      background:
        radial-gradient(520px 220px at 10% 0%, rgba(109,40,217,.12), transparent 58%),
        rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .review:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(16,24,40,.10); border-color: rgba(79,70,229,.18)}
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(79,70,229,.16);
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,.0) 52%),
        linear-gradient(135deg, rgba(79,70,229,.22), rgba(37,99,235,.18));
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(79,70,229,.95);
      letter-spacing:-.2px;
      flex:0 0 auto;
    }
    .who strong{font-size:14px; letter-spacing:-.2px}
    .who span{display:block; color:var(--muted2); font-size:12.5px; margin-top:4px; font-weight:750}
    .review p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.85;
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-size:13px;
      color:rgba(21,23,27,.88);
      font-weight:850;
      letter-spacing:-.1px;
    }
    .control{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(18,23,35,.12);
      background: rgba(255,255,255,.78);
      padding:11px 12px;
      color:rgba(21,23,27,.92);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;
      font-size:13.5px;
    }
    .control:focus{
      border-color: rgba(79,70,229,.38);
      box-shadow: 0 0 0 4px var(--focus);
      background:#fff;
    }
    textarea.control{min-height:120px; resize:vertical; grid-column: 1 / -1}
    .form .span-2{grid-column: 1 / -1}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top:2px;
      padding-top:2px;
    }
    .hint{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
      max-width:60ch;
    }
    .toast{
      position:fixed;
      left:50%;
      bottom:18px;
      transform: translateX(-50%);
      background: rgba(21,23,27,.92);
      color:#fff;
      padding:10px 12px;
      border-radius:14px;
      box-shadow: 0 18px 50px rgba(0,0,0,.25);
      border:1px solid rgba(255,255,255,.12);
      opacity:0;
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
      z-index:200;
      font-size:13px;
      max-width:86vw;
      text-align:center;
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(-4px);
    }

    .price-ref{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
      margin-top:12px;
    }
    .price-card{
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.73);
      padding:14px;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .price-card:hover{transform: translateY(-2px); border-color: rgba(79,70,229,.18); box-shadow: 0 16px 30px rgba(16,24,40,.10)}
    .price-card .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .price-card h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .price-card .unit{
      font-size:12.5px;
      font-weight:900;
      color:rgba(79,70,229,.95);
      background: rgba(79,70,229,.08);
      border:1px solid rgba(79,70,229,.18);
      border-radius:999px;
      padding:7px 10px;
      white-space:nowrap;
    }
    .price-card .big{
      margin-top:10px;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.6px;
    }
    .price-card .sub{
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .tags-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .tword{
      border-radius:999px;
      padding:8px 12px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.70);
      font-weight:800;
      font-size:12.8px;
      color:rgba(21,23,27,.86);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
    }
    .tword:hover{transform: translateY(-1px); border-color: rgba(79,70,229,.18); background:#fff}

    .foot{
      padding:22px 0 28px;
      border-top:1px solid rgba(18,23,35,.08);
      background: rgba(255,255,255,.60);
      backdrop-filter: blur(10px);
    }
    .foot-grid{
      display:flex; gap:14px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap;
    }
    .foot-left{
      min-width:280px;
      max-width:560px;
    }
    .foot-left strong{
      display:block; font-size:15px; letter-spacing:-.2px;
    }
    .foot-left p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .foot-links{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-end;
      min-width:320px;
    }
    .foot-links a{
      font-size:13px;
      font-weight:850;
      color:rgba(21,23,27,.86);
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.68);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{transform: translateY(-2px); border-color: rgba(79,70,229,.18); background:#fff}
    .copyright{
      margin-top:14px;
      color:var(--muted2);
      font-size:12.5px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }
    .copyright b{
      color:rgba(21,23,27,.86);
      font-weight:900;
    }

    .float-help{
      position:fixed;
      right:14px;
      bottom:16px;
      z-index:120;
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:10px;
      pointer-events:none;
    }
    .help-btn{
      pointer-events:auto;
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 50px rgba(16,24,40,.18);
      padding:10px 12px;
      display:flex;
      align-items:center;
      gap:10px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .help-btn:hover{transform: translateY(-2px); box-shadow: 0 24px 70px rgba(16,24,40,.22)}
    .help-btn .t{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .help-btn .t strong{font-size:13px; letter-spacing:-.15px}
    .help-btn .t span{font-size:12px; color:var(--muted2); font-weight:750; margin-top:3px}
    .help-btn svg{width:18px; height:18px}
    .help-pop{
      pointer-events:auto;
      width:260px;
      border-radius:22px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.92);
      box-shadow: 0 30px 90px rgba(16,24,40,.22);
      overflow:hidden;
      transform-origin: bottom right;
      opacity:0;
      transform: scale(.98) translateY(6px);
      transition: opacity .18s ease, transform .18s ease;
      display:none;
    }
    .help-pop.show{
      display:block;
      opacity:1;
      transform: scale(1) translateY(0);
    }
    .help-pop .top{
      padding:12px 12px;
      display:flex; justify-content:space-between; align-items:center; gap:10px;
      border-bottom:1px solid rgba(18,23,35,.08);
      background:
        radial-gradient(520px 220px at 15% 0%, rgba(109,40,217,.12), transparent 58%),
        radial-gradient(520px 220px at 85% 0%, rgba(37,99,235,.12), transparent 52%),
        rgba(255,255,255,.92);
    }
    .help-pop .top strong{font-size:13.5px; letter-spacing:-.2px}
    .close{
      border:none;
      background: rgba(18,23,35,.06);
      width:34px; height:34px;
      border-radius:14px;
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: background .18s ease, transform .18s ease;
    }
    .close:hover{background: rgba(18,23,35,.10); transform: translateY(-1px)}
    .close svg{width:16px; height:16px; opacity:.85}
    .help-pop .body{
      padding:12px 12px 14px;
      display:flex; flex-direction:column; gap:10px;
    }
    .qr{
      border-radius:18px;
      border:1px solid rgba(18,23,35,.10);
      background: rgba(255,255,255,.78);
      padding:10px;
      display:flex; justify-content:center; align-items:center;
    }
    .qr img{
      width:200px; height:auto; display:block;
      border-radius:14px;
    }
    .help-pop .note{
      color:var(--muted);
      font-size:12.8px;
      line-height:1.7;
      margin:0;
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr}
      h1{font-size:34px}
      .hero-right{padding:14px}
      .card{grid-column: span 6}
      .service-card{grid-column:auto}
      .grid-3{grid-template-columns:1fr}
      .split{grid-template-columns:1fr}
      .two-col{grid-template-columns:1fr}
      .list-grid{grid-template-columns:1fr}
      .case{grid-column: span 6}
      .review{grid-column: span 6}
      .price-ref{grid-template-columns:1fr}
      .form{grid-template-columns:1fr}
      textarea.control{grid-column: 1 / -1}
      .nav-links{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel.show{display:block}
      .nav-right{min-width:auto}
    }
    @media (max-width: 560px){
      h1{font-size:30px}
      .hero-mini{gap:10px}
      .card{grid-column: span 12}
      .case{grid-column: span 12}
      .review{grid-column: span 12}
      .glass-grid{grid-template-columns:1fr 1fr}
      .float-help{right:10px; bottom:12px}
      .help-pop{width:240px}
      .qr img{width:180px}
      .foot-links{justify-content:flex-start}
      .foot-left{min-width:0}
    }

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