:root{
      --bg0:#f7f7fb;
      --bg1:#ffffff;
      --text:#101828;
      --muted:#5b6475;
      --muted2:#7a8497;
      --line:rgba(16,24,40,.12);
      --line2:rgba(16,24,40,.08);
      --card:#ffffff;
      --brand:#2a7cff;
      --brand2:#1b4fff;
      --brand3:#00b3a6;
      --accent:#ff6b35;
      --shadow: 0 10px 30px rgba(16,24,40,.08);
      --shadow2: 0 8px 20px rgba(16,24,40,.10);
      --radius:16px;
      --radius2:12px;
      --container: 1120px;
      --gap: 18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, "Noto Sans", "Liberation Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 10% -10%, rgba(42,124,255,.16), transparent 60%),
        radial-gradient(800px 360px at 95% 0%, rgba(0,179,166,.14), transparent 55%),
        linear-gradient(180deg, #f7f7fb 0%, #ffffff 32%, #f8fbff 100%);
    }
    a{color:inherit}
    .container{
      max-width: var(--container);
      padding: 0 20px;
      margin: 0 auto;
    }
    .skip{
      position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip:focus{
      left:14px;top:14px;width:auto;height:auto;padding:10px 12px;
      background: #0b1220;color:#fff;border-radius:10px;z-index:9999;
    }

    header{
      position: sticky; top:0; z-index: 50;
      background: rgba(247,247,251,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(16,24,40,.06);
    }
    .nav-wrap{
      display:flex;align-items:center;justify-content:space-between;
      padding: 12px 0;
      gap: 16px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width: 190px;
    }
    .ai-page-logo{
      width: 40px; height: auto;
      border-radius: 12px;
      box-shadow: 0 10px 24px rgba(42,124,255,.18);
      background: #fff;
      padding: 6px;
    }
    .brand-text{
      display:flex;flex-direction:column;gap:2px;line-height:1.05;
    }
    .brand-text .name{
      font-weight: 780; letter-spacing: .2px; font-size: 14px;
    }
    .brand-text .sub{
      font-size: 12px; color: var(--muted);
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
      max-width: 220px;
    }
    nav{
      display:flex;align-items:center;gap:14px;justify-content:flex-end; flex: 1;
    }
    .nav-links{
      display:flex; align-items:center; gap: 14px;
    }
    .nav-links a{
      text-decoration:none;
      font-size: 13px;
      color: rgba(16,24,40,.85);
      padding: 8px 10px;
      border-radius: 10px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space: nowrap;
    }
    .nav-links a:hover{
      background: rgba(42,124,255,.10);
      color: var(--brand2);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px; justify-content:flex-end;
    }
    .btn{
      appearance:none;border:0;cursor:pointer;
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding: 10px 14px;
      border-radius: 12px;
      font-weight: 720;
      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:active{transform: translateY(1px)}
    .btn-primary{
      color:#fff;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
      box-shadow: 0 14px 30px rgba(27,79,255,.22);
    }
    .btn-primary:hover{
      transform: translateY(-1px);
      box-shadow: 0 18px 40px rgba(27,79,255,.28);
    }
    .btn-ghost{
      color: rgba(16,24,40,.92);
      background: rgba(255,255,255,.7);
      border:1px solid rgba(16,24,40,.10);
      box-shadow: 0 10px 20px rgba(16,24,40,.06);
    }
    .btn-ghost:hover{
      transform: translateY(-1px);
      border-color: rgba(42,124,255,.28);
      background: rgba(255,255,255,.88);
    }

    .hamburger{
      display:none;
      width: 42px;height:42px;border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
      align-items:center;justify-content:center;
      cursor:pointer;
      box-shadow: 0 10px 20px rgba(16,24,40,.06);
      transition: transform .18s ease, border-color .18s ease;
      flex: 0 0 auto;
    }
    .hamburger:hover{transform: translateY(-1px); border-color: rgba(42,124,255,.26)}
    .hamburger span{
      display:block;width:18px;height:2px;background: rgba(16,24,40,.78); border-radius:2px;
      position:relative;
    }
    .hamburger span::before,.hamburger span::after{
      content:""; position:absolute; left:0; width:18px; height:2px; background: rgba(16,24,40,.78); border-radius:2px;
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .hamburger span::before{top:-6px}
    .hamburger span::after{top:6px}
    .hamburger.is-open span{background: transparent}
    .hamburger.is-open span::before{top:0; transform: rotate(45deg)}
    .hamburger.is-open span::after{top:0; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding: 0 0 14px;
    }
    .mobile-panel .panel-inner{
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.88);
      border-radius: 16px;
      padding: 12px;
      box-shadow: var(--shadow);
    }
    .mobile-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-bottom: 10px;
    }
    .mobile-links a{
      text-decoration:none;
      font-size: 13px;
      color: rgba(16,24,40,.88);
      padding: 10px 12px;
      border-radius: 12px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(247,247,251,.55);
      transition: border-color .2s ease, transform .2s ease, background .2s ease;
      flex: 1 1 auto;
      text-align:center;
      min-width: 120px;
    }
    .mobile-links a:hover{
      border-color: rgba(42,124,255,.30);
      transform: translateY(-1px);
      background: rgba(42,124,255,.08);
    }
    .mobile-actions{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .mobile-actions .btn{flex: 1 1 160px}

    main{padding-bottom: 28px}

    .hero{
      position: relative;
      padding: 34px 0 12px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 20px;
      align-items: start;
    }
    .hero-card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: 22px;
      box-shadow: 0 22px 60px rgba(16,24,40,.08);
      overflow: hidden;
      position: relative;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(500px 220px at 10% 15%, rgba(42,124,255,.22), transparent 60%),
        radial-gradient(460px 220px at 85% 25%, rgba(0,179,166,.20), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.55) 0%, rgba(255,255,255,.80) 100%);
      pointer-events:none;
      mask: linear-gradient(#000, transparent 120%);
    }
    .hero-inner{
      position:relative;
      padding: 22px 22px 18px;
      display:flex;
      flex-direction:column;
      gap: 14px;
    }

    .pill-row{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
    }
    .pill{
      display:inline-flex;align-items:center;gap:8px;
      padding: 8px 12px;
      border-radius: 999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      font-size: 12px;
      color: rgba(16,24,40,.86);
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand3) 100%);
      box-shadow: 0 10px 22px rgba(42,124,255,.25);
      flex:0 0 auto;
    }

    .hero h1{
      margin: 0;
      font-size: 30px;
      letter-spacing: .2px;
      line-height: 1.18;
    }
    .hero-lead{
      margin:0;
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.7;
      max-width: 60ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top: 2px;
    }
    .hero-actions .btn{padding: 11px 16px}
    .micro{
      display:flex; gap: 12px; flex-wrap:wrap;
      margin-top: 4px;
      align-items:center;
    }
    .micro-item{
      display:flex; gap:10px; align-items:flex-start;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.64);
      min-width: 180px;
    }
    .ic{
      width: 22px; height:22px; border-radius: 10px;
      background: rgba(42,124,255,.12);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      border:1px solid rgba(42,124,255,.22);
    }
    .micro-item b{
      display:block; font-size: 13px; letter-spacing:.1px;
    }
    .micro-item span{
      display:block; font-size: 12px; color: var(--muted2); margin-top: 2px; line-height: 1.4;
    }

    .hero-side{
      display:flex; flex-direction:column; gap: 14px;
    }
    .side-card{
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: 20px;
      box-shadow: 0 18px 50px rgba(16,24,40,.07);
      padding: 16px;
      position: relative;
      overflow:hidden;
    }
    .side-card::after{
      content:"";
      position:absolute; right:-60px; top:-60px;
      width:140px; height:140px;
      background: radial-gradient(circle at 30% 30%, rgba(42,124,255,.35), transparent 60%);
      transform: rotate(20deg);
      pointer-events:none;
    }
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-bottom: 12px;
    }
    .side-title h2{
      font-size: 14px; margin:0;
      letter-spacing:.2px;
    }
    .badge{
      font-size: 12px;
      border:1px solid rgba(42,124,255,.22);
      color: rgba(27,79,255,.95);
      background: rgba(42,124,255,.10);
      padding: 6px 10px; border-radius: 999px;
      white-space:nowrap;
      font-weight: 720;
    }
    .kv{
      display:grid; gap: 12px;
      grid-template-columns: 1fr 1fr;
    }
    .kv-item{
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(247,247,251,.55);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 88px;
    }
    .kv-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 40px rgba(16,24,40,.10);
      border-color: rgba(42,124,255,.22);
    }
    .kv-item .k{
      font-size: 12px; color: var(--muted2);
    }
    .kv-item .v{
      margin-top: 8px;
      font-weight: 850;
      font-size: 18px;
      letter-spacing: .2px;
    }

    .queue{
      display:flex; flex-direction:column; gap: 12px;
    }
    .queue-row{
      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,.64);
    }
    .queue-row .num{
      width: 30px; height:30px; border-radius: 12px;
      background: rgba(0,179,166,.10);
      border: 1px solid rgba(0,179,166,.20);
      color: rgba(0,115,102,1);
      display:flex; align-items:center; justify-content:center;
      font-weight: 820;
      flex:0 0 auto;
    }
    .queue-row b{font-size: 13px}
    .queue-row p{margin: 4px 0 0; color: var(--muted); font-size: 12.8px; line-height: 1.5}
    .spark{
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(42,124,255,.35), rgba(0,179,166,.35));
      position: relative;
      overflow:hidden;
      border:1px solid rgba(16,24,40,.08);
    }
    .spark::before{
      content:"";
      position:absolute; left:-40%; top:0; bottom:0;
      width: 45%;
      background: rgba(255,255,255,.55);
      transform: skewX(-20deg);
      animation: shimmer 2.2s linear infinite;
      opacity:.9;
    }
    @keyframes shimmer{
      0%{left:-60%}
      100%{left:120%}
    }

    section{
      scroll-margin-top: 96px;
      padding: 30px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap: 14px;
      margin-bottom: 16px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing:.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13.8px;
      line-height: 1.7;
      max-width: 62ch;
    }
    .tagline{
      display:flex; gap: 10px; align-items:center;
      color: rgba(27,79,255,.95);
      font-weight: 780;
      font-size: 13px;
      white-space:nowrap;
    }
    .tagline .tri{
      width: 10px;height:10px;
      background: linear-gradient(135deg, var(--brand2), var(--brand3));
      clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
      border-radius:2px;
      box-shadow: 0 14px 30px rgba(27,79,255,.22);
    }

    .grid-3{display:grid; grid-template-columns: repeat(3,1fr); gap: 14px}
    .grid-2{display:grid; grid-template-columns: repeat(2,1fr); gap: 14px}
    .grid-4{display:grid; grid-template-columns: repeat(4,1fr); gap: 14px}
    .card{
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position: relative;
      overflow:hidden;
      min-width:0;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 60px rgba(16,24,40,.09);
      border-color: rgba(42,124,255,.20);
    }
    .card .top{
      display:flex; align-items:center; gap: 10px; justify-content:space-between;
      margin-bottom: 10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(42,124,255,.10);
      border: 1px solid rgba(42,124,255,.20);
      color: rgba(27,79,255,.96);
      font-size: 12px; font-weight: 780;
    }
    .card h3{margin:0; font-size: 15px; letter-spacing:.2px}
    .card p{margin: 8px 0 0; color: var(--muted); font-size: 13.2px; line-height: 1.65}

    .list{
      margin:0; padding-left: 18px;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.85;
    }
    .list li{margin: 6px 0}
    .muted{color: var(--muted)}
    .btn-row{display:flex; gap: 12px; flex-wrap:wrap; margin-top: 14px}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      align-items: stretch;
    }
    .step{
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.86);
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position: relative;
      overflow:hidden;
      min-width:0;
    }
    .step::before{
      content:"";
      position:absolute; left:-60px; top:-60px;
      width: 140px; height:140px;
      background: radial-gradient(circle at 30% 30%, rgba(42,124,255,.18), transparent 60%);
      pointer-events:none;
      transform: rotate(20deg);
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(42,124,255,.22);
      box-shadow: 0 20px 60px rgba(16,24,40,.08);
    }
    .step .head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position: relative;
    }
    .step .n{
      width: 34px; height:34px; border-radius: 14px;
      background: rgba(42,124,255,.10);
      border: 1px solid rgba(42,124,255,.18);
      display:flex;align-items:center;justify-content:center;
      font-weight: 900;
      color: rgba(27,79,255,.96);
      flex:0 0 auto;
    }
    .step h3{margin:0; font-size: 15px; letter-spacing:.2px}
    .step p{margin: 8px 0 0; color: var(--muted); font-size: 13.2px; line-height: 1.65; position: relative}

    .compare-wrap{
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: 20px;
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .compare-head{
      padding: 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      border-bottom: 1px solid rgba(16,24,40,.08);
      background:
        radial-gradient(600px 220px at 20% 0%, rgba(42,124,255,.16), transparent 60%),
        radial-gradient(520px 200px at 90% 10%, rgba(0,179,166,.14), transparent 55%),
        rgba(255,255,255,.92);
    }
    .score{
      display:flex; align-items:center; gap: 12px; flex-wrap:wrap;
    }
    .star{
      width: 54px; height: 54px; border-radius: 18px;
      background: linear-gradient(135deg, rgba(255,107,53,.14), rgba(42,124,255,.12));
      border:1px solid rgba(16,24,40,.08);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 18px 50px rgba(16,24,40,.08);
      position:relative;
    }
    .star svg{display:block}
    .score .meta b{display:block; font-size: 18px; letter-spacing:.2px}
    .score .meta span{display:block; color: var(--muted); font-size: 13px; margin-top: 2px}
    .recommend{
      display:flex; flex-direction:column; gap: 6px; align-items:flex-end;
    }
    .recommend .label{
      font-weight: 850; font-size: 13px; color: rgba(27,79,255,.96);
      background: rgba(42,124,255,.10);
      border:1px solid rgba(42,124,255,.18);
      padding: 8px 12px; border-radius: 999px;
      white-space:nowrap;
    }
    .recommend .small{
      color: var(--muted); font-size: 12.8px; line-height: 1.5; text-align:right; max-width: 40ch;
    }

    .compare-table{
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      font-size: 13.2px;
    }
    .compare-table thead th{
      text-align:left;
      padding: 12px 14px;
      background: rgba(247,247,251,.65);
      color: rgba(16,24,40,.90);
      border-bottom: 1px solid rgba(16,24,40,.08);
      font-weight: 850;
      white-space: nowrap;
    }
    .compare-table tbody td{
      padding: 12px 14px;
      border-bottom: 1px solid rgba(16,24,40,.06);
      color: var(--muted);
      vertical-align: top;
    }
    .compare-table tbody tr:last-child td{border-bottom:none}
    .pill-good{
      display:inline-flex; align-items:center; gap:8px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(0,179,166,.10);
      border:1px solid rgba(0,179,166,.20);
      color: rgba(0,115,102,1);
      font-weight: 800;
      font-size: 12px;
      white-space: nowrap;
    }
    .pill-mid{
      display:inline-flex; align-items:center; gap:8px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255,107,53,.10);
      border:1px solid rgba(255,107,53,.22);
      color: rgba(160,58,24,1);
      font-weight: 800;
      font-size: 12px;
      white-space: nowrap;
    }
    .pill-weak{
      display:inline-flex; align-items:center; gap:8px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(16,24,40,.06);
      border:1px solid rgba(16,24,40,.10);
      color: rgba(16,24,40,.78);
      font-weight: 800;
      font-size: 12px;
      white-space: nowrap;
    }

    .timeline{
      display:grid; gap: 12px;
      grid-template-columns: 1fr 1fr;
    }
    .time-card{
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.86);
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
    }
    .time-card h3{margin:0; font-size:15px}
    .time-list{
      margin: 10px 0 0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap: 10px;
    }
    .time-item{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(247,247,251,.55);
      border:1px solid rgba(16,24,40,.06);
    }
    .time-item .t{
      width: 70px; font-weight: 900; color: rgba(27,79,255,.96); font-size: 12.8px;
      flex: 0 0 auto;
    }
    .time-item .d{
      color: var(--muted); font-size: 13px; line-height: 1.6;
    }

    .tabs{
      display:flex; gap: 10px; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .tab{
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      color: rgba(16,24,40,.86);
      padding: 10px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 780;
      cursor:pointer;
      transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .tab:hover{transform: translateY(-1px); border-color: rgba(42,124,255,.22)}
    .tab.is-active{
      background: rgba(42,124,255,.10);
      border-color: rgba(42,124,255,.22);
      color: rgba(27,79,255,.96);
      box-shadow: 0 18px 50px rgba(27,79,255,.12);
    }
    .panel{
      display:none;
      opacity:0;
      transform: translateY(6px);
      transition: opacity .18s ease, transform .18s ease;
    }
    .panel.is-active{
      display:block;
      opacity:1;
      transform: translateY(0);
    }

    .cases-grid{
      display:grid;
      grid-template-columns: repeat(3,1fr);
      gap: 14px;
    }
    .case{
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.86);
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      display:flex; flex-direction:column; gap: 10px;
      min-width:0;
    }
    .case .thumb{
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.08);
      background:
        radial-gradient(420px 160px at 10% 20%, rgba(42,124,255,.14), transparent 60%),
        radial-gradient(420px 160px at 90% 0%, rgba(0,179,166,.14), transparent 55%),
        linear-gradient(180deg, rgba(247,247,251,.85) 0%, rgba(255,255,255,.88) 100%);
      padding: 12px;
      display:flex; align-items:center; justify-content:center;
      min-height: 92px;
    }
    .case .thumb .mini-badge{
      font-size: 12px;
      font-weight: 900;
      color: rgba(27,79,255,.96);
      padding: 8px 12px;
      border-radius: 999px;
      border:1px solid rgba(42,124,255,.22);
      background: rgba(42,124,255,.10);
      white-space: nowrap;
      max-width: 100%;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .case h3{margin:0; font-size: 15px}
    .case p{margin:0; color: var(--muted); font-size: 13.2px; line-height: 1.65}
    .case .meta{
      display:flex; gap: 10px; flex-wrap:wrap; align-items:center;
      margin-top:auto;
    }
    .meta .m{
      font-size: 12.5px; color: rgba(16,24,40,.78);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.6);
      padding: 7px 10px; border-radius: 999px;
      white-space: nowrap;
    }

    .articles{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:start;
    }
    .article-list{
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: 20px;
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      overflow:hidden;
    }
    .article-list .row{
      padding: 14px 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      border-bottom: 1px solid rgba(16,24,40,.06);
      transition: background .18s ease;
    }
    .article-list .row:last-child{border-bottom:none}
    .article-list .row:hover{background: rgba(42,124,255,.06)}
    .article-list .row a{
      text-decoration:none;
      font-weight: 850;
      color: rgba(16,24,40,.92);
      line-height: 1.35;
    }
    .article-list .row .desc{
      color: var(--muted);
      font-size: 13px;
      margin-top: 6px;
      line-height: 1.55;
    }
    .article-list .row .hint{
      color: rgba(27,79,255,.95);
      font-weight: 900;
      font-size: 12px;
      border:1px solid rgba(42,124,255,.18);
      background: rgba(42,124,255,.10);
      padding: 7px 10px; border-radius: 999px;
      white-space: nowrap;
      flex: 0 0 auto;
      margin-top: 1px;
    }

    .side-media{
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: 20px;
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      overflow:hidden;
    }
    .side-media .media-inner{
      padding: 16px;
      display:flex; flex-direction:column; gap: 12px;
    }
    .media-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .imgbox{
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(247,247,251,.55);
      padding: 8px;
      overflow:hidden;
    }
    .imgbox img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 12px;
      background: #fff;
    }
    .side-media h3{margin:0; font-size:15px}
    .side-media p{margin:0; color:var(--muted); font-size:13.2px; line-height:1.65}

    .form-wrap{
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: 22px;
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .form-top{
      padding: 16px 16px 0;
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      flex-wrap:wrap;
    }
    .form-top .left h2{
      margin:0;
      font-size: 18px;
      letter-spacing:.2px;
    }
    .form-top .left p{
      margin: 8px 0 14px;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.7;
      max-width: 70ch;
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      padding: 0 16px 16px;
    }
    .field{
      display:flex; flex-direction:column; gap: 8px;
      min-width:0;
    }
    label{
      font-size: 12.8px;
      color: rgba(16,24,40,.86);
      font-weight: 800;
      letter-spacing:.1px;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.9);
      font-size: 14px;
      color: var(--text);
      outline:none;
      transition: border-color .18s ease, box-shadow .18s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(42,124,255,.35);
      box-shadow: 0 0 0 4px rgba(42,124,255,.12);
    }
    .field.span2{grid-column: span 2}
    .form-actions{
      display:flex; gap: 12px; align-items:center; justify-content:space-between;
      padding: 0 16px 16px;
      flex-wrap:wrap;
    }
    .fine{
      color: var(--muted2);
      font-size: 12.6px;
      line-height: 1.5;
      max-width: 60ch;
    }
    .fine b{color: rgba(16,24,40,.86)}
    .btn-submit{
      min-width: 170px;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .faq-col{
      display:flex; flex-direction:column; gap: 12px;
    }
    .faq-item{
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(16,24,40,.08);
      border-radius: 18px;
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      background: transparent;
      border:0;
      text-align:left;
      padding: 14px 14px;
      cursor:pointer;
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      font-weight: 900;
      letter-spacing:.1px;
      color: rgba(16,24,40,.92);
      font-size: 13.6px;
    }
    .faq-q .chev{
      width: 34px; height:34px; border-radius: 14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.55);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease, border-color .18s ease;
    }
    .faq-item.is-open .faq-q .chev{
      transform: rotate(180deg);
      border-color: rgba(42,124,255,.26);
    }
    .faq-a{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.75;
      display:none;
    }
    .faq-item.is-open .faq-a{display:block}

    .reviews{
      display:grid;
      grid-template-columns: repeat(3,1fr);
      gap: 14px;
    }
    .review{
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.86);
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      display:flex; flex-direction:column; gap: 10px;
      min-width:0;
    }
    .review .r-top{
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
    }
    .avatar{
      width: 40px; height:40px; border-radius: 16px;
      background: linear-gradient(135deg, rgba(42,124,255,.16), rgba(0,179,166,.16));
      border:1px solid rgba(16,24,40,.08);
      display:flex; align-items:center; justify-content:center;
      font-weight: 950; color: rgba(27,79,255,.96);
    }
    .review .who b{display:block; font-size: 13.6px}
    .review .who span{display:block; color: var(--muted2); font-size: 12.6px; margin-top: 2px}
    .quote{
      margin:0;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.75;
    }
    .review .tags{
      display:flex; gap: 10px; flex-wrap:wrap; margin-top:auto;
    }
    .review .tags .t{
      font-size: 12.5px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.60);
      color: rgba(16,24,40,.78);
      white-space: nowrap;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: stretch;
    }
    .map-card{
      padding: 16px;
      border-radius: 20px;
      border: 1px solid rgba(16,24,40,.08);
      background:
        radial-gradient(560px 220px at 12% 8%, rgba(42,124,255,.18), transparent 60%),
        radial-gradient(460px 220px at 92% 18%, rgba(0,179,166,.16), transparent 55%),
        rgba(255,255,255,.86);
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      overflow:hidden;
      position: relative;
    }
    .map-surface{
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(247,247,251,.50);
      padding: 14px;
      height: 100%;
      min-height: 220px;
      position: relative;
    }
    .map-surface .gridlines{
      position:absolute; inset:0;
      background:
        linear-gradient(to right, rgba(16,24,40,.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(16,24,40,.05) 1px, transparent 1px);
      background-size: 48px 48px;
      pointer-events:none;
      opacity:.6;
      mask: radial-gradient(circle at 40% 30%, #000 0%, transparent 62%);
    }
    .route{
      position: relative;
      display:flex; flex-direction:column; gap: 10px;
    }
    .route-item{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.65);
      border: 1px solid rgba(16,24,40,.08);
      width: fit-content;
      max-width: 100%;
    }
    .route-item .pin{
      width: 28px; height:28px; border-radius: 12px;
      border:1px solid rgba(42,124,255,.20);
      background: rgba(42,124,255,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color: rgba(27,79,255,.96);
      font-weight: 950;
    }
    .route-item b{display:block; font-size: 13px}
    .route-item span{display:block; margin-top: 4px; color: var(--muted); font-size: 12.8px; line-height: 1.5}

    .cloud{
      display:flex; flex-direction:column; gap: 12px;
      padding: 16px;
      border-radius: 20px;
      border: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.86);
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
    }
    .tag-cloud{
      display:flex; gap: 10px; flex-wrap:wrap;
    }
    .tag-cloud a{
      text-decoration:none;
      font-size: 12.7px;
      font-weight: 820;
      color: rgba(16,24,40,.86);
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.60);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .tag-cloud a:hover{
      transform: translateY(-1px);
      border-color: rgba(42,124,255,.26);
      background: rgba(42,124,255,.08);
    }

    footer{
      border-top: 1px solid rgba(16,24,40,.08);
      background:
        radial-gradient(720px 260px at 20% 0%, rgba(42,124,255,.12), transparent 60%),
        radial-gradient(660px 240px at 92% 20%, rgba(0,179,166,.10), transparent 55%),
        linear-gradient(180deg, #f7f7fb 0%, #ffffff 100%);
      padding: 20px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .foot-card{
      background: rgba(255,255,255,.80);
      border:1px solid rgba(16,24,40,.08);
      border-radius: 18px;
      padding: 14px;
      box-shadow: 0 14px 34px rgba(16,24,40,.05);
      min-width:0;
    }
    .foot-card h3{
      margin: 0 0 10px;
      font-size: 14px;
      letter-spacing:.2px;
    }
    .foot-card p{
      margin:0;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.7;
    }
    .foot-links{
      display:flex; flex-direction:column; gap: 10px;
    }
    .foot-links a{
      text-decoration:none;
      font-weight: 820;
      color: rgba(16,24,40,.88);
      font-size: 13px;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.60);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(42,124,255,.26);
      background: rgba(42,124,255,.08);
    }
    .footer-bottom{
      margin-top: 14px;
      display:flex; align-items:center; justify-content:space-between; gap: 12px; flex-wrap:wrap;
      color: var(--muted2);
      font-size: 12.6px;
    }
    .hr{
      height:1px;background: rgba(16,24,40,.08);margin: 14px 0;
    }
    .friends{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 8px;
    }
    .friends a{
      text-decoration:none;
      font-weight: 820;
      font-size: 12.8px;
      color: rgba(16,24,40,.86);
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.60);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space: nowrap;
    }
    .friends a:hover{
      transform: translateY(-1px);
      border-color: rgba(42,124,255,.26);
      background: rgba(42,124,255,.08);
    }

    .float-cs{
      position: fixed;
      right: 16px;
      bottom: 18px;
      z-index: 60;
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
    }
    .float-cs .pop{
      display:flex; align-items:center; gap:10px;
      padding: 10px 12px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(16,24,40,.10);
      border-radius: 999px;
      box-shadow: 0 18px 60px rgba(16,24,40,.12);
      transition: transform .18s ease, opacity .18s ease;
    }
    .float-cs .pop.hide{
      opacity:0; transform: translateY(10px); pointer-events:none;
    }
    .float-cs .pop span{
      font-weight: 900; font-size: 13px; color: rgba(16,24,40,.92);
      white-space: nowrap;
    }
    .float-cs .btn-cs{
      width: 54px; height:54px;
      border-radius: 18px;
      border: 1px solid rgba(0,179,166,.22);
      background: linear-gradient(135deg, rgba(0,179,166,.14), rgba(42,124,255,.10));
      box-shadow: 0 22px 60px rgba(0,179,166,.15);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      position:relative;
      overflow:hidden;
    }
    .float-cs .btn-cs:hover{
      transform: translateY(-2px);
      border-color: rgba(0,179,166,.35);
      box-shadow: 0 26px 70px rgba(0,179,166,.18);
    }
    .float-cs .btn-cs::after{
      content:"";
      position:absolute; inset:-60px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), transparent 50%);
      transform: translateX(-30%);
      transition: transform .28s ease;
      opacity:.7;
      pointer-events:none;
    }
    .float-cs .btn-cs:hover::after{transform: translateX(0%)}
    .toast{
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 80;
      background: rgba(16,24,40,.92);
      color: #fff;
      border-radius: 14px;
      padding: 10px 12px;
      font-size: 13px;
      box-shadow: 0 20px 60px rgba(16,24,40,.22);
      opacity:0;
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(-6px);
    }

    .qr-modal{
      position: fixed;
      inset:0;
      background: rgba(16,24,40,.45);
      z-index: 90;
      display:none;
      align-items:center;
      justify-content:center;
      padding: 18px;
    }
    .qr-modal.is-open{display:flex}
    .qr-box{
      width: min(520px, 100%);
      background: rgba(255,255,255,.95);
      border-radius: 22px;
      border:1px solid rgba(16,24,40,.10);
      box-shadow: 0 26px 90px rgba(16,24,40,.30);
      overflow:hidden;
    }
    .qr-top{
      padding: 14px 16px;
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      border-bottom: 1px solid rgba(16,24,40,.08);
      background:
        radial-gradient(600px 220px at 20% 0%, rgba(42,124,255,.14), transparent 60%),
        radial-gradient(520px 200px at 92% 10%, rgba(0,179,166,.12), transparent 55%),
        rgba(255,255,255,.92);
    }
    .qr-top b{font-size: 14px; letter-spacing:.2px}
    .qr-close{
      width: 40px; height:40px;
      border-radius: 14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.62);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, border-color .18s ease;
    }
    .qr-close:hover{transform: translateY(-1px); border-color: rgba(42,124,255,.26)}
    .qr-body{
      padding: 16px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:center;
    }
    .qr-body .qr-img{
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.55);
      padding: 10px;
    }
    .qr-body img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 14px;
      background:#fff;
    }
    .qr-txt p{
      margin:0;
      color: var(--muted);
      font-size: 13.2px;
      line-height: 1.75;
    }
    .qr-txt .btn-row{margin-top: 12px}
    .kbd{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px; border-radius: 999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(247,247,251,.6);
      color: rgba(16,24,40,.86);
      font-size: 12.6px;
      font-weight: 850;
      white-space: nowrap;
    }

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

    .return-top{
      position: fixed;
      left: 16px;
      bottom: 18px;
      z-index: 60;
      width: 44px; height:44px;
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 60px rgba(16,24,40,.10);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, opacity .18s ease;
      opacity: 0;
      pointer-events:none;
    }
    .return-top.show{
      opacity:1;
      pointer-events:auto;
    }
    .return-top:hover{transform: translateY(-2px)}

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-side{flex-direction:row; flex-wrap:wrap}
      .side-card{flex: 1 1 320px}
      .steps{grid-template-columns: 1fr 1fr}
      .grid-3{grid-template-columns: 1fr 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .cases-grid{grid-template-columns: 1fr 1fr}
      .articles{grid-template-columns: 1fr}
      .faq{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .timeline{grid-template-columns: 1fr}
    }
    @media (max-width: 860px){
      .nav-links{display:none}
      .nav-cta{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .mobile-panel[data-open="false"]{display:none}
    }
    @media (max-width: 520px){
      .hero h1{font-size: 24px}
      .micro-item{min-width: 100%}
      .kv{grid-template-columns: 1fr 1fr}
      .steps{grid-template-columns: 1fr}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .cases-grid{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .field.span2{grid-column: span 1}
      .qr-body{grid-template-columns: 1fr}
      .compare-head{flex-direction:column; align-items:flex-start}
      .recommend{align-items:flex-start}
    }