:root{
      --bg0:#ffffff;
      --bg1:#fbfaf7;
      --bg2:#f4f6fb;
      --card:#ffffff;
      --text:#1b2430;
      --muted:#5b6a7f;
      --muted2:#7b8aa4;
      --line:rgba(20,35,55,.10);
      --line2:rgba(20,35,55,.14);
      --accent:#1b67ff;
      --accent2:#6f3bff;
      --accent3:#00b3a6;
      --good:#12b981;
      --warn:#f59e0b;
      --shadow: 0 12px 30px rgba(15, 35, 70, .10);
      --shadow2: 0 8px 18px rgba(20, 35, 55, .10);
      --radius: 16px;
      --radius2: 22px;
      --container: 1120px;
      --padX: 20px;
      --focus: 0 0 0 4px rgba(27,103,255,.18);
      --heroGrad: radial-gradient(1200px 600px at 10% 10%, rgba(27,103,255,.18), rgba(27,103,255,0) 55%),
                  radial-gradient(900px 520px at 85% 20%, rgba(111,59,255,.18), rgba(111,59,255,0) 55%),
                  radial-gradient(840px 520px at 60% 95%, rgba(0,179,166,.14), rgba(0,179,166,0) 55%),
                  linear-gradient(180deg, #ffffff 0%, #fbfaf7 65%, #ffffff 100%);
      --chipGrad: linear-gradient(135deg, rgba(27,103,255,.18), rgba(111,59,255,.14) 40%, rgba(0,179,166,.12));
    }
    *{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: var(--heroGrad);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      width: min(var(--container), calc(100% - (var(--padX) * 2)));
      margin: 0 auto;
    }
    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:16px; top:16px; width:auto; height:auto; padding:10px 12px;
      background:#0b1220; color:#fff; border-radius:10px; z-index:9999;
      outline:none;
    }
    header{
      position:sticky; top:0; z-index:50;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(20,35,55,.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: 210px;
    }
    .logo{
      width:42px; height:42px; border-radius:12px;
      background: linear-gradient(135deg, rgba(27,103,255,.16), rgba(111,59,255,.14));
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(27,103,255,.20);
      overflow:hidden;
      flex:0 0 auto;
    }
    .logo img{width:100%; height:auto; display:block}
    .brand-meta{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-name{
      font-weight:820; letter-spacing:.2px; font-size:14.5px;
    }
    .brand-sub{
      font-size:12px; color:var(--muted);
    }
    nav{display:flex; align-items:center; gap:14px; justify-content:flex-end; flex-wrap:nowrap;}
    .menu{
      display:flex; align-items:center; gap:10px;
      padding:6px 8px; border-radius:999px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.65);
    }
    .menu a{
      font-size:13px; color: rgba(27,36,48,.82);
      padding: 8px 10px; border-radius: 999px;
      border:1px solid transparent;
      transition: background .18s ease, border-color .18s ease, transform .18s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(27,103,255,.08);
      border-color: rgba(27,103,255,.18);
      transform: translateY(-1px);
    }
    .nav-actions{display:flex; align-items:center; gap:10px; 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(20,35,55,.14);
      background: rgba(255,255,255,.7);
      color: rgba(17,28,44,.92);
      font-weight: 700;
      font-size: 13.5px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow: var(--focus);}
    .btn:hover{transform: translateY(-1px); box-shadow: var(--shadow2); border-color: rgba(27,103,255,.18);}
    .btn-primary{
      border-color: rgba(27,103,255,.25);
      background: linear-gradient(135deg, rgba(27,103,255,.96), rgba(111,59,255,.92));
      color:#fff;
      box-shadow: 0 10px 24px rgba(27,103,255,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 14px 30px rgba(27,103,255,.28);
      border-color: rgba(27,103,255,.35);
    }
    .btn-ghost{
      background: rgba(255,255,255,.65);
    }
    .icon{
      width:16px; height:16px; display:inline-block;
    }
    .hamburger{
      display:none;
      width:42px; height:42px; border-radius:12px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .hamburger:hover{transform: translateY(-1px); box-shadow: var(--shadow2);}
    .hamburger span{
      display:block; width:18px; height:2px; background: rgba(22,30,44,.85);
      position:relative;
    }
    .hamburger span::before,.hamburger span::after{
      content:""; position:absolute; left:0; width:18px; height:2px; background: rgba(22,30,44,.85);
      border-radius:10px;
      transition: transform .2s ease, opacity .2s ease, top .2s ease;
    }
    .hamburger span::before{top:-6px}
    .hamburger span::after{top:6px}
    .mobile-menu{
      display:none;
      padding: 10px 0 16px;
    }
    .mobile-menu .panel{
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.80);
      border-radius: 16px;
      padding: 10px;
      box-shadow: 0 16px 30px rgba(20,35,55,.08);
    }
    .mobile-menu a{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 12px;
      border-radius: 12px;
      border:1px solid transparent;
      color: rgba(17,28,44,.92);
      font-weight: 650;
      font-size: 13.5px;
    }
    .mobile-menu a:hover{
      background: rgba(27,103,255,.08);
      border-color: rgba(27,103,255,.16);
    }
    .mobile-menu .row{
      display:flex; gap:10px; padding:10px 6px 0; flex-wrap:wrap;
    }
    .hero{
      padding: 36px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.18fr .82fr;
      gap: 22px;
      align-items:stretch;
      padding: 10px 0 18px;
    }
    .hero-left{
      border-radius: var(--radius2);
      border: 1px solid rgba(20,35,55,.10);
      background:
        radial-gradient(800px 380px at 15% 30%, rgba(27,103,255,.20), rgba(27,103,255,0) 60%),
        radial-gradient(720px 360px at 78% 10%, rgba(111,59,255,.18), rgba(111,59,255,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.55));
      box-shadow: 0 18px 50px rgba(20,35,55,.08);
      overflow:hidden;
      position:relative;
      padding: 26px;
      min-height: 340px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .hero-left::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: linear-gradient(135deg, rgba(27,103,255,.18), rgba(111,59,255,.14) 45%, rgba(0,179,166,.12));
      opacity:.65;
      filter: blur(34px);
      pointer-events:none;
    }
    .hero-left > *{position:relative}
    .kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:10px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.68);
      border: 1px solid rgba(20,35,55,.10);
      font-weight: 760;
      font-size: 13px;
    }
    .chip .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 10px 20px rgba(27,103,255,.25);
    }
    .chip.secondary{
      background: var(--chipGrad);
      border-color: rgba(27,103,255,.18);
      color: rgba(9,18,40,.95);
    }
    .hero-title{
      font-size: clamp(26px, 3.2vw, 42px);
      line-height: 1.12;
      letter-spacing: -0.7px;
      margin: 6px 0 12px;
      font-weight: 920;
    }
    .hero-lead{
      color: var(--muted);
      font-size: 15.5px;
      line-height: 1.75;
      margin: 0 0 18px;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top: 4px;
    }
    .pillbar{
      display:flex; gap:10px; flex-wrap:wrap; margin-top: 14px;
    }
    .pill{
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.62);
      color: rgba(24,34,49,.90);
      font-weight: 700;
      font-size: 12.5px;
      display:flex; align-items:center; gap:8px;
    }
    .pill svg{flex:0 0 auto}
    .hero-right{
      display:flex; flex-direction:column; gap: 14px;
    }
    .stat-card{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,35,55,.10);
      border-radius: var(--radius2);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
      flex: 1;
      min-height: 162px;
    }
    .stat-card::after{
      content:"";
      position:absolute;
      right:-60px; top:-60px;
      width:180px; height:180px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(27,103,255,.22), rgba(27,103,255,0) 60%),
                  radial-gradient(circle at 70% 70%, rgba(111,59,255,.18), rgba(111,59,255,0) 60%);
      filter: blur(1px);
      pointer-events:none;
    }
    .stat-card > *{position:relative}
    .stat-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .stat-title{
      font-weight: 900;
      font-size: 14px;
      letter-spacing:.2px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      border-radius: 999px;
      padding: 7px 10px;
      border:1px solid rgba(27,103,255,.18);
      background: rgba(27,103,255,.08);
      color: rgba(16,52,160,.95);
      font-weight: 850;
      font-size: 12.5px;
      white-space:nowrap;
    }
    .badge .spark{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 10px 18px rgba(27,103,255,.22);
      transform: rotate(18deg);
    }
    .stat-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap: 10px;
    }
    .stat-item{
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.62);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .stat-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(20,35,55,.10);
    }
    .stat-num{
      font-weight: 950; font-size: 18px; letter-spacing:-.4px; margin-bottom: 3px;
    }
    .stat-label{
      color: var(--muted);
      font-size: 12.8px; line-height:1.4;
      font-weight: 700;
    }
    .quick-card{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,35,55,.10);
      border-radius: var(--radius2);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      padding: 16px;
    }
    .quick-title{
      font-weight: 920; font-size: 14px; margin:0 0 10px;
      letter-spacing:.2px;
    }
    .quick-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .quick-row{
      display:flex; align-items:center; gap:10px;
      padding: 10px 10px;
      border-radius: 16px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.62);
    }
    .quick-row .mini{
      width:34px; height:34px; border-radius: 12px;
      background: linear-gradient(135deg, rgba(27,103,255,.16), rgba(111,59,255,.14));
      border: 1px solid rgba(27,103,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .quick-row .mini svg{opacity:.95}
    .quick-row b{font-size: 13.3px}
    .quick-row span{display:block; color: var(--muted); font-size: 12.5px; margin-top:2px; font-weight:700}
    main{padding: 10px 0 30px}
    section{padding: 18px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap: 16px; margin-bottom: 14px;
    }
    .h2{
      margin:0;
      font-size: 22px;
      letter-spacing: -0.4px;
      font-weight: 920;
    }
    .sub{
      margin:0; color: var(--muted);
      line-height:1.7;
      font-size: 14.5px;
      max-width: 68ch;
      font-weight: 650;
    }
    .section-tag{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.62);
      color: rgba(27,36,48,.90);
      font-weight: 860;
      font-size: 12.8px;
      white-space:nowrap;
    }
    .section-tag .ring{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--accent3), var(--accent2));
      box-shadow: 0 10px 20px rgba(0,179,166,.18);
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .card{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,35,55,.10);
      border-radius: var(--radius);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 52px rgba(20,35,55,.10);
      border-color: rgba(27,103,255,.16);
    }
    .card-title{
      margin: 0 0 8px;
      font-weight: 900;
      letter-spacing:-.2px;
      font-size: 15px;
    }
    .card-desc{
      margin:0;
      color: var(--muted);
      font-size: 13.8px;
      line-height: 1.7;
      font-weight: 650;
    }
    .card-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      margin-bottom: 10px;
    }
    .metric{
      display:flex; align-items:center; gap:10px;
    }
    .metric .iconbox{
      width:40px; height:40px; border-radius: 14px;
      background: rgba(27,103,255,.08);
      border: 1px solid rgba(27,103,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .metric .iconbox.alt{
      background: rgba(111,59,255,.08);
      border-color: rgba(111,59,255,.18);
    }
    .metric .iconbox.alt2{
      background: rgba(0,179,166,.08);
      border-color: rgba(0,179,166,.18);
    }
    .metric b{
      font-size: 14px; font-weight: 950;
    }
    .metric small{
      display:block; color: var(--muted); font-weight: 700; margin-top:2px; font-size: 12.5px;
    }
    .stepbar{
      display:flex; flex-direction:column; gap: 12px;
    }
    .step{
      display:flex; align-items:flex-start; gap: 12px;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.66);
    }
    .step-num{
      width:40px; height:40px; border-radius: 14px;
      background: linear-gradient(135deg, rgba(27,103,255,.18), rgba(111,59,255,.14));
      border: 1px solid rgba(27,103,255,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      color: rgba(16,52,160,.95);
      flex:0 0 auto;
    }
    .step-body b{display:block; font-weight: 950; margin-bottom: 6px;}
    .step-body p{margin:0; color: var(--muted); line-height:1.75; font-weight: 650; font-size: 13.8px;}
    .compare-wrap{
      overflow:hidden;
    }
    .table-wrap{
      border: 1px solid rgba(20,35,55,.10);
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      overflow:auto;
    }
    table{
      width:100%;
      border-collapse: collapse;
      min-width: 760px;
    }
    th,td{
      border-bottom: 1px solid rgba(20,35,55,.08);
      padding: 12px 12px;
      text-align:left;
      vertical-align: top;
    }
    th{
      position:sticky; top:0;
      background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.75));
      z-index:1;
      color: rgba(17,28,44,.92);
      font-weight: 950;
      font-size: 13.5px;
    }
    td{
      color: rgba(17,28,44,.90);
      font-weight: 700;
      font-size: 13.5px;
      color: rgba(22,32,48,.90);
    }
    tr:hover td{background: rgba(27,103,255,.045)}
    .score-pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(18,185,129,.22);
      background: rgba(18,185,129,.08);
      color: rgba(10,95,66,.95);
      font-weight: 950;
      white-space:nowrap;
    }
    .stars{
      display:inline-flex; align-items:center; gap:4px;
      vertical-align:middle;
    }
    .star{
      width:16px; height:16px;
      background: conic-gradient(from 180deg, rgba(245,158,11,1), rgba(245,158,11,.85));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter: drop-shadow(0 6px 12px rgba(245,158,11,.15));
    }
    .taglist{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top: 10px;
    }
    .tag{
      font-size: 12.5px;
      font-weight: 800;
      color: rgba(24,34,49,.90);
      background: rgba(255,255,255,.62);
      border:1px solid rgba(20,35,55,.10);
      border-radius: 999px;
      padding: 7px 10px;
      white-space:nowrap;
    }
    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .titem{
      display:grid;
      grid-template-columns: 120px 1fr;
      gap: 14px;
      align-items:start;
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.66);
    }
    .tlabel{
      font-weight: 950;
      color: rgba(16,52,160,.95);
      background: rgba(27,103,255,.08);
      border:1px solid rgba(27,103,255,.18);
      padding: 10px 12px;
      border-radius: 14px;
      white-space:nowrap;
    }
    .tbody b{
      display:block; font-weight: 950; margin-bottom: 6px;
    }
    .tbody p{margin:0; color: var(--muted); line-height:1.75; font-weight: 650; font-size: 13.8px;}
    .faq{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    details{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,35,55,.10);
      border-radius: var(--radius);
      box-shadow: 0 14px 40px rgba(20,35,55,.04);
      overflow:hidden;
      transition: border-color .18s ease, box-shadow .18s ease;
    }
    details[open]{
      border-color: rgba(27,103,255,.20);
      box-shadow: 0 18px 50px rgba(20,35,55,.08);
    }
    summary{
      cursor:pointer;
      list-style:none;
      padding: 14px 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 14px;
      font-weight: 950;
      letter-spacing:-.2px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-title{font-size: 14.3px; line-height:1.5}
    .chev{
      width:26px; height:26px; border-radius: 10px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease;
      margin-top: -2px;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq-body{
      padding: 0 16px 14px;
      color: var(--muted);
      font-weight: 650;
      line-height: 1.75;
      font-size: 13.9px;
    }
    .comments{
      display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    }
    .quote{
      padding: 16px;
      border-radius: var(--radius2);
      border: 1px solid rgba(20,35,55,.10);
      background:
        radial-gradient(520px 220px at 10% 0%, rgba(27,103,255,.13), rgba(27,103,255,0) 55%),
        rgba(255,255,255,.72);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 178px;
      display:flex; flex-direction:column; justify-content:space-between;
      gap: 10px;
    }
    .quote:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 52px rgba(20,35,55,.10);
      border-color: rgba(27,103,255,.16);
    }
    .quote-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
    }
    .avatar{
      width:38px; height:38px; border-radius: 14px;
      background: linear-gradient(135deg, rgba(27,103,255,.18), rgba(111,59,255,.14));
      border:1px solid rgba(27,103,255,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      color: rgba(16,52,160,.95);
      flex:0 0 auto;
    }
    .role{
      font-weight: 950; font-size: 13.5px; margin:0;
    }
    .quote p{
      margin:0;
      color: var(--muted);
      line-height:1.75;
      font-weight: 650;
      font-size: 13.8px;
    }
    .article-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap: 14px;
    }
    .article{
      display:flex; gap: 12px;
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 40px rgba(20,35,55,.04);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      align-items:flex-start;
    }
    .article:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 52px rgba(20,35,55,.10);
      border-color: rgba(27,103,255,.16);
    }
    .article-mark{
      width:44px; height:44px; border-radius: 16px;
      background: rgba(27,103,255,.08);
      border:1px solid rgba(27,103,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .article-meta b{display:block; font-weight: 950; margin-bottom: 6px;}
    .article-meta span{display:block; color: var(--muted); font-weight: 700; line-height:1.65; font-size: 13.6px;}
    .article a{
      display:inline-flex; align-items:center; gap:8px; margin-top:10px;
      font-weight: 900;
      color: rgba(16,52,160,.95);
      font-size: 13.5px;
    }
    .form-card{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
    }
    form{display:flex; flex-direction:column; gap: 12px;}
    .form-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap: 12px;
    }
    label{
      display:flex; flex-direction:column; gap: 7px;
      font-weight: 900; color: rgba(17,28,44,.92);
      font-size: 13px;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(20,35,55,.14);
      background: rgba(255,255,255,.88);
      color: rgba(17,28,44,.92);
      font-size: 14px;
      font-weight: 700;
      transition: box-shadow .15s ease, border-color .15s ease;
      outline:none;
    }
    textarea{min-height: 108px; resize: vertical;}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(27,103,255,.35);
      box-shadow: var(--focus);
    }
    .form-actions{
      display:flex; gap: 12px; flex-wrap:wrap; align-items:center; justify-content:space-between;
      margin-top: 2px;
    }
    .fineprint{
      color: var(--muted2);
      font-weight: 700;
      font-size: 12.8px;
      line-height: 1.6;
      margin:0;
      max-width: 58ch;
    }
    .net-grid{
      display:grid; grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:stretch;
    }
    .network{
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      position:relative;
      overflow:hidden;
    }
    .network::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 240px at 20% 10%, rgba(0,179,166,.16), rgba(0,179,166,0) 55%),
        radial-gradient(520px 240px at 80% 30%, rgba(27,103,255,.14), rgba(27,103,255,0) 55%);
      pointer-events:none;
      filter: blur(0px);
      opacity:.8;
    }
    .network > *{position:relative}
    .map-line{
      display:flex; gap: 10px; flex-wrap:wrap; margin-top: 10px;
    }
    .city{
      padding: 9px 11px;
      border-radius: 999px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.62);
      font-weight: 900; font-size: 13px;
      color: rgba(17,28,44,.92);
    }
    .network p{margin:0; color: var(--muted); font-weight: 700; line-height:1.75; font-size: 13.8px;}
    .price-box{
      border-radius: var(--radius2);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      padding: 16px;
    }
    .price-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .price-top b{
      font-weight: 980; font-size: 15px;
    }
    .price-top span{
      display:block; color: var(--muted); font-weight: 700; margin-top:6px; line-height:1.65; font-size: 13.5px;
    }
    .price-list{
      display:flex; flex-direction:column; gap: 10px;
    }
    .price-row{
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.62);
      display:flex; justify-content:space-between; gap:12px; align-items:flex-start;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .price-row:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 50px rgba(20,35,55,.10);
      border-color: rgba(27,103,255,.16);
    }
    .price-row b{font-weight: 980; font-size: 13.8px; display:block; margin-bottom: 6px;}
    .price-row small{color: var(--muted); font-weight: 700; line-height:1.6; font-size: 12.8px; display:block}
    .price-val{
      font-weight: 990; color: rgba(16,52,160,.95);
      white-space:nowrap; font-size: 16px;
      padding: 8px 10px; border-radius: 14px;
      border:1px solid rgba(27,103,255,.20);
      background: rgba(27,103,255,.08);
    }
    .footer{
      margin-top: 6px;
      background: linear-gradient(180deg, rgba(251,250,247,1), rgba(244,246,251,1));
      border-top: 1px solid rgba(20,35,55,.10);
      padding: 18px 0 22px;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr .8fr; gap: 14px; align-items:start;
    }
    .foot-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 40px rgba(20,35,55,.05);
      padding: 16px;
    }
    .foot-row{
      display:flex; gap: 14px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap;
    }
    .foot-title{
      margin:0 0 8px; font-weight: 980;
    }
    .foot-text{
      margin:0;
      color: var(--muted);
      font-weight: 700;
      line-height: 1.75;
      font-size: 13.8px;
    }
    .foot-links{
      display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px;
    }
    .foot-links a{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.62);
      font-weight: 900;
      color: rgba(17,28,44,.92);
      font-size: 12.8px;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      display:inline-flex; align-items:center; gap:8px;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(27,103,255,.18);
      background: rgba(27,103,255,.06);
    }
    .copyright{
      margin-top: 14px;
      color: rgba(91,106,127,.95);
      font-weight: 750;
      font-size: 12.8px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .kefu-float{
      position: fixed;
      right: 16px; bottom: 16px;
      z-index: 60;
      display:flex; flex-direction:column; gap:10px;
    }
    .float-btn{
      width: 48px; height: 48px; border-radius: 18px;
      border: 1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.84);
      box-shadow: 0 20px 60px rgba(20,35,55,.18);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease;
    }
    .float-btn:hover{transform: translateY(-2px)}
    .qr-pop{
      width: 232px;
      border-radius: 18px;
      border: 1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 24px 80px rgba(20,35,55,.20);
      padding: 12px;
      transform-origin: bottom right;
      transform: scale(.98);
      opacity:0;
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
    }
    .qr-pop.show{
      opacity:1;
      pointer-events:auto;
      transform: scale(1);
    }
    .qr-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .qr-head b{font-weight: 980; font-size: 13.8px}
    .qr-close{
      width:30px; height:30px; border-radius: 12px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.7);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease;
    }
    .qr-close:hover{transform: translateY(-1px)}
    .qr-body{
      display:flex; gap: 10px; align-items:center;
    }
    .qr-body img{
      width: 90px; height: 90px; border-radius: 14px;
      border: 1px solid rgba(20,35,55,.10);
      background: #fff;
      object-fit: cover;
      flex:0 0 auto;
    }
    .qr-body p{
      margin:0;
      color: var(--muted);
      font-weight: 750;
      line-height:1.6;
      font-size: 12.8px;
    }
    .return-top{
      width: 48px; height: 48px; border-radius: 18px;
      border: 1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.84);
      box-shadow: 0 20px 60px rgba(20,35,55,.18);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease;
    }
    .return-top:hover{transform: translateY(-2px)}
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .45s ease, transform .45s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }
    .muted{color: var(--muted)}
    .thin{font-weight: 700}
    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }
    .anchor-space{scroll-margin-top: 92px;}
    .ai-grid-tiles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }
    .tile{
      border-radius: var(--radius2);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 40px rgba(20,35,55,.06);
      padding: 16px;
      overflow:hidden;
      position:relative;
      min-height: 190px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .tile::after{
      content:"";
      position:absolute;
      right:-70px; bottom:-70px;
      width:200px; height:200px; border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(27,103,255,.20), rgba(27,103,255,0) 60%),
                  radial-gradient(circle at 70% 70%, rgba(0,179,166,.16), rgba(0,179,166,0) 60%);
      pointer-events:none;
      opacity:.9;
      filter: blur(0px);
    }
    .tile > *{position:relative}
    .tile b{font-weight: 980; letter-spacing:-.2px; font-size: 15px}
    .tile p{margin:8px 0 0; color: var(--muted); font-weight: 700; line-height:1.75; font-size: 13.8px}
    .tile .tile-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top: 14px}
    .small-btn{
      padding: 9px 11px;
      border-radius: 12px;
      border:1px solid rgba(20,35,55,.14);
      background: rgba(255,255,255,.68);
      font-weight: 900;
      font-size: 13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      display:inline-flex; align-items:center; gap:8px;
      color: rgba(17,28,44,.92);
    }
    .small-btn:hover{transform: translateY(-1px); box-shadow: var(--shadow2); border-color: rgba(27,103,255,.18)}
    .small-btn.primary{
      background: linear-gradient(135deg, rgba(27,103,255,.96), rgba(111,59,255,.92));
      border-color: rgba(27,103,255,.22);
      color:#fff;
      box-shadow: 0 10px 22px rgba(27,103,255,.22);
    }

    .logo ai-page-logo{display:block}
    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-left{min-height: unset}
      .grid-3{grid-template-columns: 1fr 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .comments{grid-template-columns: 1fr 1fr}
      .article-grid{grid-template-columns: 1fr}
      .net-grid{grid-template-columns: 1fr}
      .titem{grid-template-columns: 1fr; }
      .tlabel{white-space:normal}
      table{min-width: 700px;}
      .ai-grid-tiles{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
    }
    @media (max-width: 720px){
      .menu{display:none}
      nav{gap: 10px}
      .nav-actions .btn-ghost{display:none}
      .hamburger{display:flex}
      .mobile-menu.show{display:block}
      .grid-3,.grid-4,.comments{grid-template-columns: 1fr}
      .hero-left{padding: 18px}
      .hero-right{gap: 12px}
      .stat-grid{grid-template-columns: 1fr 1fr}
      .form-grid{grid-template-columns: 1fr}
      .kefu-float{right: 12px; bottom: 12px}
      .qr-pop{width: 210px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .card:hover,.btn:hover,.article:hover,.quote:hover,.stat-item:hover,.price-row:hover,.float-btn:hover,.return-top:hover{transform:none}
      .qr-pop{transition:none}
      .chev{transition:none}
    }