:root{
      --bg:#f6f8ff;
      --card:#ffffff;
      --text:#0b1220;
      --muted:#5b667a;
      --line:rgba(20,40,90,.12);
      --shadow: 0 14px 40px rgba(11,18,32,.10);
      --shadow2: 0 10px 26px rgba(11,18,32,.10);
      --blue:#0b4dff;
      --blue2:#1a78ff;
      --ink:#0b2b66;
      --brand:#145bff;
      --chip:#0e3a86;
      --focus: rgba(20, 91, 255, .25);
      --radius:18px;
      --radius2:14px;
      --container: 1120px;
      --pad: 18px;
      --grad: linear-gradient(135deg, #0b4dff 0%, #1a78ff 45%, #7bb5ff 120%);
      --heroGrad: radial-gradient(800px 380px at 20% 20%, rgba(26,120,255,.25), rgba(246,248,255,0) 60%),
                  radial-gradient(720px 360px at 75% 30%, rgba(11,77,255,.18), rgba(246,248,255,0) 62%),
                  linear-gradient(180deg, #f7faff 0%, #f6f8ff 100%);
      --navGrad: linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(255,255,255,.70) 100%);
    }
    *{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","Noto Sans SC","Microsoft YaHei", sans-serif;
      color:var(--text);
      background: var(--heroGrad);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    img{max-width:100%; height:auto; display:block}
    .container{
      width:100%;
      max-width: var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      background: var(--navGrad);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(20,40,90,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
    }
    .brand img{
      width:40px;
      height:40px;
      border-radius:12px;
      box-shadow: 0 10px 26px rgba(20,91,255,.18);
      background: #fff;
      padding:6px;
      object-fit:contain;
    }
    .brand .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.05;
    }
    .brand .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand .brand-title span{
      font-size:12px;
      color:var(--muted);
    }

    nav.desktop-nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:nowrap;
      overflow:hidden;
      max-width: 760px;
      justify-content:center;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      color:rgba(11,18,32,.78);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      transform: translateY(-1px);
      background: rgba(20,91,255,.08);
      border-color: rgba(20,91,255,.18);
      color: rgba(11,18,32,.92);
    }
    .nav-link.active{
      background: rgba(20,91,255,.12);
      border-color: rgba(20,91,255,.22);
      color: rgba(11,18,32,.96);
    }

    .nav-right{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 220px;
      justify-content:flex-end;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:12px;
      border:1px solid rgba(20,91,255,.20);
      background:#fff;
      color: rgba(11,18,32,.92);
      font-size:13px;
      font-weight:650;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      box-shadow: 0 10px 22px rgba(11,18,32,.06);
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 16px 28px rgba(11,18,32,.10); border-color: rgba(20,91,255,.34)}
    .btn.primary{
      background: var(--grad);
      border-color: rgba(255,255,255,.30);
      color:#fff;
      box-shadow: 0 18px 40px rgba(11,77,255,.26);
    }
    .btn.primary:hover{box-shadow: 0 26px 60px rgba(11,77,255,.34)}
    .btn.ghost{
      background: rgba(255,255,255,.60);
      border-color: rgba(20,40,90,.12);
      box-shadow:none;
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:12px;
      border:1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.70);
      box-shadow: 0 10px 20px rgba(11,18,32,.06);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
      align-items:center; justify-content:center;
      padding:0;
    }
    .mobile-toggle:hover{transform: translateY(-1px); box-shadow: 0 16px 28px rgba(11,18,32,.10)}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background: rgba(11,18,32,.85);
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-drawer{
      display:none;
      border-top:1px solid rgba(20,40,90,.10);
      padding:10px 0 16px;
    }
    .mobile-drawer .drawer-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .drawer-link{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,40,90,.10);
      background: rgba(255,255,255,.72);
      color: rgba(11,18,32,.86);
      font-size:13px;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .drawer-link:hover{
      transform: translateY(-1px);
      border-color: rgba(20,91,255,.28);
      background: rgba(20,91,255,.06);
    }
    .drawer-cta{
      margin-top:12px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }

    header.hero{
      position:relative;
      padding:38px 0 26px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
      align-items: start;
    }
    .hero-left{
      padding: 20px 0 0;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,91,255,.18);
      background: rgba(255,255,255,.65);
      color: rgba(11,18,32,.86);
      font-size:13px;
      box-shadow: 0 12px 28px rgba(11,77,255,.10);
    }
    .kicker .dot{
      width:10px; height:10px; border-radius:999px;
      background: var(--grad);
      box-shadow: 0 0 0 6px rgba(20,91,255,.12);
    }
    h1{
      margin:14px 0 10px;
      font-size: 40px;
      letter-spacing: -0.6px;
      line-height: 1.12;
    }
    .lead{
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.75;
      max-width: 64ch;
    }
    .hero-actions{
      margin-top: 18px;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
    }
    .mini-note{
      display:flex;
      gap:10px;
      align-items:flex-start;
      margin-top: 16px;
      color: rgba(11,18,32,.78);
      font-size: 13px;
    }
    .mini-note .badge{
      width:30px; height:30px;
      border-radius:12px;
      background: rgba(20,91,255,.10);
      border: 1px solid rgba(20,91,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      color: var(--brand);
      font-weight:900;
    }
    .hero-right{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .glass{
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(20,40,90,.12);
      border-radius: var(--radius);
      box-shadow: 0 18px 40px rgba(11,18,32,.08);
      overflow:hidden;
    }
    .data-card{
      padding: 14px 14px 16px;
      position:relative;
    }
    .data-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(380px 160px at 15% 20%, rgba(26,120,255,.25), transparent 60%),
                  radial-gradient(320px 140px at 80% 30%, rgba(11,77,255,.18), transparent 55%);
      pointer-events:none;
    }
    .data-card > *{position:relative}
    .data-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .data-title{
      display:flex; flex-direction:column; gap:6px;
    }
    .data-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .data-title span{
      font-size:12px;
      color:var(--muted);
      line-height:1.5;
    }
    .spark{
      width:52px; height:52px;
      border-radius:18px;
      background: rgba(20,91,255,.10);
      border:1px solid rgba(20,91,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-size:18px;
      box-shadow: 0 16px 32px rgba(11,77,255,.16);
    }
    .metric-grid{
      margin-top:12px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .metric{
      padding:10px 10px;
      border-radius:14px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,40,90,.10);
      transition: transform .18s ease, border-color .18s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      border-color: rgba(20,91,255,.26);
    }
    .metric strong{
      display:block;
      font-size:18px;
      letter-spacing:-.3px;
    }
    .metric span{
      display:block;
      margin-top:4px;
      font-size:12px;
      color: var(--muted);
      line-height:1.4;
    }

    .quick-card{
      padding: 14px;
    }
    .quick-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .quick-title strong{font-size:14px}
    .chip-row{
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .chip{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.62);
      color: rgba(11,18,32,.86);
      font-size:12px;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .chip:hover{
      transform: translateY(-1px);
      border-color: rgba(20,91,255,.30);
      background: rgba(20,91,255,.06);
    }

    main{padding: 14px 0 0}
    section{
      padding: 28px 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: 24px;
      letter-spacing: -0.3px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.7;
      max-width: 56ch;
    }
    .panel{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,40,90,.12);
      border-radius: var(--radius);
      box-shadow: 0 18px 40px rgba(11,18,32,.06);
      overflow:hidden;
    }
    .panel.pad{padding:18px}
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,40,90,.10);
      border-radius: var(--radius2);
      padding: 14px;
      box-shadow: 0 10px 22px rgba(11,18,32,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      height:100%;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 34px rgba(11,18,32,.10);
      border-color: rgba(20,91,255,.26);
    }
    .card .icon{
      width:40px; height:40px;
      border-radius:14px;
      background: rgba(20,91,255,.10);
      border:1px solid rgba(20,91,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-weight:900;
      margin-bottom:10px;
    }
    .card h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.7;
    }
    .bullets{
      margin: 10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .bullets li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color: rgba(11,18,32,.84);
      font-size: 13px;
      line-height:1.6;
    }
    .check{
      width:18px; height:18px;
      border-radius:6px;
      background: rgba(20,91,255,.12);
      border:1px solid rgba(20,91,255,.20);
      color: var(--brand);
      display:inline-flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
      font-size:12px;
      font-weight:900;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .step{
      position:relative;
      padding: 16px 14px;
    }
    .step:after{
      content:"";
      position:absolute;
      right:-6px;
      top:22px;
      width:12px; height:12px;
      background: rgba(20,91,255,.20);
      transform: rotate(45deg);
      border-radius:3px;
      display:none;
    }
    .step .num{
      width:38px; height:38px;
      border-radius:16px;
      background: rgba(20,91,255,.12);
      border:1px solid rgba(20,91,255,.22);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-weight:900;
      margin-bottom:10px;
      box-shadow: 0 18px 40px rgba(11,77,255,.10);
    }
    .step h3{margin:0 0 8px; font-size:15px}
    .step p{margin:0; color: var(--muted); font-size:13px; line-height:1.7}

    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .timeline .block{
      padding: 16px 14px;
    }
    .timeline .block h3{margin:0 0 10px; font-size:15px}
    .timeline .block .list{
      display:flex; flex-direction:column; gap:10px; margin:0; padding:0;
      list-style:none;
    }
    .timeline .block .list li{
      display:flex; gap:12px; align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(20,40,90,.10);
      background: rgba(255,255,255,.65);
    }
    .timeline .pill{
      width:34px; height:34px; border-radius:14px;
      background: rgba(20,91,255,.10);
      border: 1px solid rgba(20,91,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-weight:900;
      flex:0 0 auto;
    }
    .timeline .li-body strong{
      display:block; font-size:13px; margin-bottom:3px;
    }
    .timeline .li-body span{
      display:block; font-size:12px; color: var(--muted); line-height:1.6;
    }

    .table-wrap{
      overflow:auto;
      border-radius: var(--radius2);
      border:1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.70);
    }
    table{
      width:100%;
      border-collapse: collapse;
      min-width: 820px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(20,40,90,.10);
      text-align:left;
      vertical-align: top;
      font-size: 13px;
      line-height:1.6;
      color: rgba(11,18,32,.86);
    }
    th{
      background: rgba(20,91,255,.08);
      color: rgba(11,18,32,.92);
      font-weight:800;
      white-space:nowrap;
    }
    .rank{
      display:inline-flex; gap:8px; align-items:center;
      white-space:nowrap;
    }
    .stars{
      display:inline-flex; gap:2px;
    }
    .star{
      width:16px; height:16px;
      background: var(--grad);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      border:1px solid rgba(255,255,255,.25);
      box-shadow: 0 10px 22px rgba(11,77,255,.18);
    }
    .score{
      font-weight:900;
      color: rgba(11,18,32,.95);
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(20,91,255,.18);
      background: rgba(255,255,255,.72);
      white-space:nowrap;
    }

    .compare-card{
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .compare-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .compare-top .title{
      display:flex; flex-direction:column; gap:6px;
    }
    .compare-top .title strong{font-size:15px}
    .compare-top .title span{font-size:13px; color: var(--muted); line-height:1.6}
    .ratingRow{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }

    details.faq{
      border-radius: var(--radius2);
      border:1px solid rgba(20,40,90,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(11,18,32,.04);
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease;
    }
    details.faq[open]{
      border-color: rgba(20,91,255,.26);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding: 14px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      user-select:none;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .faq-q{
      font-weight:800;
      font-size:14px;
      color: rgba(11,18,32,.92);
      line-height:1.5;
    }
    .faq-chevron{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      color: rgba(11,18,32,.75);
      transition: transform .18s ease, border-color .18s ease;
      flex:0 0 auto;
    }
    details.faq[open] .faq-chevron{
      transform: rotate(180deg);
      border-color: rgba(20,91,255,.22);
      color: var(--brand);
    }
    .faq-a{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height:1.8;
      border-top: 1px solid rgba(20,40,90,.08);
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .review{
      padding: 16px 14px;
      position:relative;
    }
    .review:before{
      content:"“";
      position:absolute;
      top:-18px; left:14px;
      font-size:64px;
      color: rgba(20,91,255,.14);
      font-weight:900;
      line-height:1;
      pointer-events:none;
    }
    .review .meta{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
      position:relative;
    }
    .avatar{
      width:38px; height:38px;
      border-radius:14px;
      border:1px solid rgba(20,91,255,.18);
      background: rgba(20,91,255,.10);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-weight:900;
      flex:0 0 auto;
    }
    .who{
      display:flex; align-items:center; gap:10px;
      min-width: 0;
    }
    .who strong{
      display:block;
      font-size:13px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 160px;
    }
    .who span{
      display:block;
      font-size:12px;
      color: var(--muted);
      margin-top:2px;
    }
    .review p{
      margin:0;
      color: rgba(11,18,32,.82);
      font-size: 13px;
      line-height:1.8;
      position:relative;
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:stretch;
    }
    .article-list{
      padding: 12px;
    }
    .article-item{
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,40,90,.10);
      background: rgba(255,255,255,.68);
      display:flex;
      gap:12px;
      align-items:flex-start;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .article-item:hover{
      transform: translateY(-2px);
      border-color: rgba(20,91,255,.26);
      background: rgba(20,91,255,.06);
    }
    .article-item + .article-item{margin-top:10px}
    .tag{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,91,255,.18);
      background: rgba(20,91,255,.10);
      color: rgba(11,18,32,.90);
      font-size:12px;
      white-space:nowrap;
      flex: 0 0 auto;
    }
    .article-item .txt{
      min-width:0;
    }
    .article-item .txt strong{
      display:block;
      font-size:13px;
      line-height:1.5;
      margin-bottom:6px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 100%;
    }
    .article-item .txt span{
      display:block;
      font-size:12px;
      color: var(--muted);
      line-height:1.6;
    }

    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top: 8px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:8px;
      font-size:13px;
      color: rgba(11,18,32,.86);
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.80);
      color: rgba(11,18,32,.92);
      outline:none;
      font-size: 14px;
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(20,91,255,.35);
      box-shadow: 0 0 0 5px var(--focus);
    }
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top: 2px;
    }
    .help-inline{
      color: var(--muted);
      font-size: 12px;
      line-height:1.6;
      max-width: 52ch;
    }

    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top: 12px;
    }
    .cloud-item{
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.70);
      font-size: 13px;
      color: rgba(11,18,32,.86);
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .cloud-item:hover{
      transform: translateY(-2px);
      border-color: rgba(20,91,255,.26);
      background: rgba(20,91,255,.06);
    }

    .footer{
      background: linear-gradient(180deg, rgba(255,255,255,.55) 0%, rgba(255,255,255,.86) 100%);
      border-top:1px solid rgba(20,40,90,.10);
      padding: 22px 0 16px;
      margin-top: 10px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.3fr 1fr 1fr;
      gap: 16px;
      align-items:start;
    }
    .footer-card{
      padding: 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,40,90,.10);
      background: rgba(255,255,255,.72);
    }
    .footer-card h3{
      margin:0 0 10px;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .footer-card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height:1.8;
    }
    .footer-links{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top: 6px;
    }
    .footer-links a{
      color: rgba(11,18,32,.86);
      font-size: 13px;
      padding: 8px 10px;
      border-radius: 12px;
      border:1px solid rgba(20,40,90,.08);
      background: rgba(255,255,255,.60);
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .footer-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(20,91,255,.26);
      background: rgba(20,91,255,.06);
    }
    .bottom-row{
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid rgba(20,40,90,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap:wrap;
      color: rgba(11,18,32,.70);
      font-size: 12px;
    }
    .mono{
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    }

    .float-kefu{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index: 60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .kefu-btn{
      width: 48px;
      height: 48px;
      border-radius: 16px;
      border:1px solid rgba(20,91,255,.22);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(11,18,32,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    .kefu-btn:hover{
      transform: translateY(-3px);
      box-shadow: 0 26px 60px rgba(11,18,32,.14);
      border-color: rgba(20,91,255,.34);
    }
    .kefu-pop{
      width: 230px;
      border-radius: 18px;
      border:1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.85);
      box-shadow: var(--shadow2);
      overflow:hidden;
      transform-origin: 100% 100%;
      animation: popIn .18s ease both;
    }
    @keyframes popIn{
      from{opacity:0; transform: scale(.98) translateY(6px)}
      to{opacity:1; transform: scale(1) translateY(0)}
    }
    .kefu-pop .top{
      padding: 12px 12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      background: linear-gradient(135deg, rgba(11,77,255,.12) 0%, rgba(26,120,255,.06) 55%, rgba(123,181,255,.08) 100%);
    }
    .kefu-pop .top strong{font-size:13px}
    .kefu-pop .close{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(20,40,90,.10);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(11,18,32,.72);
    }
    .kefu-pop .body{
      padding: 12px;
      color: var(--muted);
      font-size: 12px;
      line-height:1.7;
    }
    .qrcode{
      border-radius: 16px;
      border:1px solid rgba(20,40,90,.10);
      background: rgba(255,255,255,.70);
      overflow:hidden;
    }
    .qrcode img{
      width:100%;
      height:auto;
      display:block;
    }

    .to-top{
      position:fixed;
      right: 14px;
      bottom: 76px;
      z-index:59;
      width: 44px;
      height: 44px;
      border-radius: 16px;
      border:1px solid rgba(20,40,90,.12);
      background: rgba(255,255,255,.75);
      box-shadow: 0 18px 40px rgba(11,18,32,.10);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, opacity .16s ease, border-color .16s ease;
      opacity:0;
      pointer-events:none;
    }
    .to-top.show{
      opacity:1;
      pointer-events:auto;
    }
    .to-top:hover{transform: translateY(-3px); border-color: rgba(20,91,255,.28)}

    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      h1{font-size: 34px}
      nav.desktop-nav{display:none}
      .mobile-toggle{display:flex}
      .mobile-drawer{display:block}
      .hero-grid{grid-template-columns: 1fr}
      .hero-right{flex-direction:row; flex-wrap:wrap}
      .hero-right .glass{flex:1 1 320px}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr 1fr}
      .timeline{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .article-grid{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .float-kefu{right: 10px; bottom: 10px}
      .to-top{right: 10px; bottom: 66px}
    }
    @media (max-width: 520px){
      .steps{grid-template-columns: 1fr}
      h1{font-size: 30px}
      .brand{min-width: 0}
      .nav-right{min-width: 0}
      .btn{padding: 10px 12px}
      .kefu-pop{width: 210px}
    }

    @media (prefers-reduced-motion: reduce){
      .reveal{transition:none}
      html{scroll-behavior:auto}
      *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important}
    }