:root{
      --bg0:#fbfbfc;
      --bg1:#fffdf7;
      --card:#ffffff;
      --text:#171717;
      --muted:#5a5a5f;
      --muted2:#7a7a82;
      --line:rgba(16,24,40,.10);
      --shadow: 0 14px 40px rgba(16,24,40,.10);
      --shadow2: 0 10px 28px rgba(16,24,40,.10);
      --brand1:#6d28d9;
      --brand2:#0ea5e9;
      --brand3:#f97316;
      --brand4:#22c55e;
      --accent:#2f2f6a;
      --radius:18px;
      --radius2:26px;
      --focus: 0 0 0 4px rgba(14,165,233,.18);
      --container: 1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 15% -10%, rgba(109,40,217,.12), transparent 55%),
        radial-gradient(900px 520px at 85% 0%, rgba(14,165,233,.12), transparent 55%),
        radial-gradient(980px 650px at 20% 60%, rgba(249,115,22,.10), transparent 55%),
        linear-gradient(180deg, var(--bg1) 0%, var(--bg0) 48%, #ffffff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{max-width:var(--container); margin:0 auto; padding:0 18px}
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom: 1px solid rgba(16,24,40,.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: 210px;
    }
    .ai-page-logo{
      width:44px; height:44px; border-radius:14px;
      background: linear-gradient(135deg, rgba(109,40,217,.15), rgba(14,165,233,.12));
      padding:6px;
      box-shadow: 0 10px 20px rgba(109,40,217,.10);
      object-fit:contain;
    }
    .brand-title{display:flex; flex-direction:column; line-height:1.1}
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    nav{display:flex; align-items:center; gap:14px}
    .nav-links{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap;
    }
    .nav-links a{
      font-size:13px; color:var(--muted);
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--text);
      background: rgba(109,40,217,.06);
      border-color: rgba(109,40,217,.16);
      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:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.72);
      color:var(--text);
      box-shadow: 0 10px 26px rgba(16,24,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      font-weight:650;
      font-size:13px;
      cursor:pointer;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow: var(--focus), 0 10px 26px rgba(16,24,40,.06)}
    .btn:hover{transform: translateY(-1px); box-shadow: 0 14px 34px rgba(16,24,40,.10)}
    .btn-primary{
      border-color: rgba(109,40,217,.22);
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(14,165,233,.10));
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(600px 240px at 20% 0%, rgba(109,40,217,.35), transparent 55%),
                  radial-gradient(520px 220px at 90% 10%, rgba(14,165,233,.28), transparent 60%);
      opacity:.55;
      pointer-events:none;
      transition: opacity .2s ease;
    }
    .btn-primary > span{position:relative}
    .btn-primary:hover::before{opacity:.72}
    .btn-ghost{
      background: rgba(255,255,255,.62);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .hamburger{
      display:none;
      width:42px; height:42px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .hamburger:hover{transform: translateY(-1px); box-shadow: 0 14px 34px rgba(16,24,40,.10)}
    .hamburger:focus{outline:none; box-shadow: var(--focus)}
    .hamburger .bars{
      width:18px; height:14px; margin:0 auto; position:relative;
    }
    .hamburger .bars span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background: #2a2a2a;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger .bars span:nth-child(1){top:1px}
    .hamburger .bars span:nth-child(2){top:6px}
    .hamburger .bars span:nth-child(3){top:11px}
    .hamburger[data-open="true"] .bars span:nth-child(1){top:6px; transform: rotate(45deg)}
    .hamburger[data-open="true"] .bars span:nth-child(2){opacity:0}
    .hamburger[data-open="true"] .bars span:nth-child(3){top:6px; transform: rotate(-45deg)}
    .mobile-drawer{
      display:none;
      border-top: 1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.86);
    }
    .mobile-drawer .drawer-inner{padding:10px 0 14px}
    .mobile-drawer a{
      display:flex; justify-content:space-between; align-items:center;
      padding:12px 12px;
      border-radius:14px;
      color:var(--muted);
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.65);
      margin-top:10px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
    }
    .mobile-drawer a:hover{transform: translateY(-1px); color:var(--text); border-color: rgba(109,40,217,.18); background: rgba(109,40,217,.06)}
    header.hero{
      padding:26px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:18px;
      align-items:stretch;
      padding:18px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.08);
      background:
        radial-gradient(700px 340px at 12% 0%, rgba(109,40,217,.18), transparent 55%),
        radial-gradient(600px 300px at 92% 20%, rgba(14,165,233,.16), transparent 58%),
        radial-gradient(620px 320px at 24% 95%, rgba(249,115,22,.13), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.62));
      box-shadow: 0 22px 60px rgba(16,24,40,.10);
      position:relative;
      overflow:hidden;
    }
    .hero-grid::after{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        linear-gradient(115deg, rgba(109,40,217,.20), transparent 45%),
        linear-gradient(245deg, rgba(14,165,233,.16), transparent 48%),
        linear-gradient(0deg, rgba(249,115,22,.12), transparent 42%);
      opacity:.55;
      pointer-events:none;
      mask-image: radial-gradient(900px 460px at 30% 10%, #000 50%, transparent 75%);
    }
    .hero-left{position:relative; z-index:1; padding:10px 6px 8px}
    .kicker{
      display:inline-flex; gap:8px; align-items:center;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.64);
      color: var(--muted);
      font-size:12.5px;
      margin-bottom:14px;
      backdrop-filter: blur(8px);
    }
    .kicker .dot{
      width:9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(109,40,217,.10);
    }
    h1{
      margin:0;
      font-size:36px;
      letter-spacing:-.6px;
      line-height:1.12;
    }
    .hero-sub{
      margin-top:12px;
      color: var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 56ch;
    }
    .hero-cta{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:18px;
      align-items:center;
    }
    .trust-row{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:18px;
      color: var(--muted2);
      align-items:center;
    }
    .trust-item{
      display:flex; gap:10px; align-items:center;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.62);
    }
    .trust-item strong{color:var(--text); font-size:13px}
    .trust-item span{font-size:12.5px}
    .hero-right{
      position:relative; z-index:1;
      display:flex; flex-direction:column; gap:12px;
      padding:10px 6px 8px;
    }
    .glass-panel{
      border-radius: 20px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 12px 36px rgba(16,24,40,.08);
      overflow:hidden;
    }
    .panel-top{
      padding:14px 14px 10px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .panel-top .title{
      display:flex; flex-direction:column; gap:6px;
    }
    .panel-top .title strong{font-size:14px}
    .panel-top .title span{font-size:12.5px; color:var(--muted)}
    .badge-live{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      padding:8px 10px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.66);
      color: var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .badge-live i{
      width:8px; height:8px; border-radius:50%;
      background: var(--brand4);
      box-shadow: 0 0 0 4px rgba(34,197,94,.12);
      display:inline-block;
    }
    .panel-body{padding:0 14px 14px}
    .metrics{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:10px;
    }
    .metric{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.70);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .metric:hover{
      transform: translateY(-1px);
      border-color: rgba(109,40,217,.18);
      box-shadow: 0 14px 30px rgba(16,24,40,.10);
    }
    .metric .num{
      font-weight:800; letter-spacing:-.4px; font-size:18px;
    }
    .metric .lab{color:var(--muted); font-size:12.5px; margin-top:6px; line-height:1.4}
    .panel-footer{
      display:flex; justify-content:space-between; align-items:center; gap:10px;
      border-top:1px solid rgba(16,24,40,.08);
      padding:12px 14px;
      background: linear-gradient(180deg, rgba(255,255,255,.62), rgba(255,255,255,.52));
    }
    .panel-footer .hint{color:var(--muted); font-size:12.5px; line-height:1.35}
    .panel-footer .action{
      display:flex; align-items:center; gap:10px;
    }
    .mini-link{
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.70);
      font-size:13px;
      font-weight:650;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .mini-link:hover{transform: translateY(-1px); border-color: rgba(14,165,233,.20); box-shadow: 0 14px 30px rgba(16,24,40,.10)}
    .mini-link:focus{outline:none; box-shadow: var(--focus), 0 14px 30px rgba(16,24,40,.10)}
    .arrow{
      width:16px; height:16px;
      border-radius:6px;
      border:1px solid rgba(16,24,40,.10);
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(255,255,255,.6);
    }

    main{padding:10px 0 34px}
    section{padding:34px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom:16px;
    }
    .section-head h2{
      margin:0;
      font-size:24px;
      letter-spacing:-.3px;
      line-height:1.2;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width: 58ch;
    }
    .pill-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
    .pill{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-size:12.5px;
      white-space:nowrap;
    }
    .grid-2{display:grid; grid-template-columns: 1fr 1fr; gap:16px}
    .grid-3{display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px}
    .grid-4{display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:12px}
    .card{
      background: rgba(255,255,255,.76);
      border:1px solid rgba(16,24,40,.10);
      border-radius: var(--radius);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(109,40,217,.18);
      box-shadow: 0 18px 46px rgba(16,24,40,.12);
    }
    .card h3{margin:0; font-size:16px; letter-spacing:-.2px}
    .card p{margin:10px 0 0; color:var(--muted); line-height:1.7; font-size:13.5px}
    .card .meta{
      margin-top:12px; display:flex; gap:10px; flex-wrap:wrap;
      color:var(--muted2); font-size:12.5px;
    }
    .icon-bubble{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(16px 16px at 30% 20%, rgba(109,40,217,.22), transparent 60%),
        radial-gradient(18px 18px at 80% 70%, rgba(14,165,233,.18), transparent 62%),
        rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 12px 26px rgba(16,24,40,.08);
      margin-bottom:12px;
    }
    .card .list{
      margin:10px 0 0; padding:0; list-style:none; color:var(--muted); font-size:13.5px;
    }
    .card .list li{
      display:flex; gap:10px; align-items:flex-start;
      padding:8px 0;
      border-top:1px dashed rgba(16,24,40,.08);
    }
    .card .list li:first-child{border-top:none; padding-top:0}
    .check{
      width:18px; height:18px; border-radius:7px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.68);
      display:inline-flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }

    .step{
      display:flex; gap:12px; align-items:flex-start;
    }
    .step .n{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(14,165,233,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:850;
    }
    .step .t strong{display:block; font-size:15px; letter-spacing:-.2px}
    .step .t span{display:block; margin-top:6px; color:var(--muted); font-size:13.5px; line-height:1.7}
    .contrast{
      background:
        radial-gradient(900px 380px at 0% 0%, rgba(109,40,217,.12), transparent 55%),
        radial-gradient(760px 340px at 100% 10%, rgba(14,165,233,.12), transparent 58%),
        rgba(255,255,255,.62);
    }
    .compare-table-wrap{
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
    }
    .compare-table{
      width:100%;
      border-collapse:collapse;
      font-size:13.5px;
    }
    .compare-table th, .compare-table td{
      border-bottom:1px solid rgba(16,24,40,.08);
      padding:12px 12px;
      vertical-align:top;
    }
    .compare-table th{
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-weight:750;
      text-align:left;
      width: 28%;
    }
    .compare-table td{
      color:var(--text);
      line-height:1.6;
    }
    .score{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:16px; height:16px;
      background: conic-gradient(from 180deg, var(--brand3), var(--brand2), var(--brand1), var(--brand3));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow: 0 8px 18px rgba(249,115,22,.18);
      opacity:.95;
    }
    .rating{
      font-weight:900;
      letter-spacing:-.4px;
      font-size:16px;
    }
    .tag{
      display:inline-flex; align-items:center; justify-content:center;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.74);
      color: var(--muted);
      font-size:12.5px;
      white-space:nowrap;
    }
    .tag-strong{
      border-color: rgba(34,197,94,.22);
      background: rgba(34,197,94,.10);
      color:#14532d;
      font-weight:750;
    }

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-top:8px;
    }
    .tab-btn{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-weight:700;
      font-size:13px;
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      user-select:none;
    }
    .tab-btn:hover{transform: translateY(-1px); color:var(--text); border-color: rgba(109,40,217,.18)}
    .tab-btn[aria-selected="true"]{
      color:var(--text);
      border-color: rgba(109,40,217,.22);
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(14,165,233,.10));
      box-shadow: 0 14px 34px rgba(16,24,40,.10);
    }
    .tab-panel{margin-top:14px}
    .flow{
      display:flex; flex-direction:column; gap:12px;
    }
    .flow-item{
      display:grid;
      grid-template-columns: 1fr auto;
      gap:12px;
      align-items:start;
      padding:14px;
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.74);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .flow-item:hover{transform: translateY(-2px); border-color: rgba(14,165,233,.18); box-shadow: 0 18px 46px rgba(16,24,40,.10)}
    .flow-item strong{display:block; font-size:15px; letter-spacing:-.2px}
    .flow-item span{display:block; margin-top:7px; color:var(--muted); font-size:13.5px; line-height:1.7}
    .step-chip{
      align-self:flex-start;
      padding:10px 12px;
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-weight:850;
      letter-spacing:-.2px;
      white-space:nowrap;
    }
    .list-inline{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:12px;
    }

    .carousel-like{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .case-card{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      overflow:hidden;
      position:relative;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .case-card:hover{transform: translateY(-2px); border-color: rgba(109,40,217,.18); box-shadow: 0 18px 46px rgba(16,24,40,.12)}
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .case-title{
      display:flex; flex-direction:column; gap:6px;
    }
    .case-title strong{font-size:15px; letter-spacing:-.2px}
    .case-title span{color:var(--muted); font-size:13px}
    .case-bullets{
      margin:10px 0 0; padding:0; list-style:none;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .case-bullets li{
      display:flex; gap:10px; align-items:flex-start;
      padding:7px 0;
      border-top:1px dashed rgba(16,24,40,.08);
    }
    .case-bullets li:first-child{border-top:none; padding-top:0}
    .case-cta{margin-top:14px; display:flex; gap:10px; flex-wrap:wrap; align-items:center}
    .small-btn{
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.72);
      color:var(--text);
      font-weight:750;
      font-size:13px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      user-select:none;
    }
    .small-btn:hover{transform: translateY(-1px); box-shadow: 0 14px 34px rgba(16,24,40,.10); border-color: rgba(14,165,233,.20)}
    .small-btn:focus{outline:none; box-shadow: var(--focus), 0 14px 34px rgba(16,24,40,.10)}

    .article-list{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .article{
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article:hover{transform: translateY(-2px); border-color: rgba(109,40,217,.18); box-shadow: 0 18px 46px rgba(16,24,40,.12)}
    .article .top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .article .chip{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-size:12.5px;
      white-space:nowrap;
    }
    .article strong{
      display:block;
      font-size:15px; letter-spacing:-.2px;
      line-height:1.4;
    }
    .article p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .article a.read{
      margin-top:12px;
      display:inline-flex; align-items:center; gap:10px;
      font-weight:800;
      color: var(--accent);
    }
    .article a.read .dot2{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(109,40,217,.10);
    }

    .form-wrap{
      display:grid; grid-template-columns: .95fr 1.05fr; gap:14px; align-items:stretch;
    }
    .form-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      overflow:hidden;
      position:relative;
    }
    .form-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(700px 300px at 10% 0%, rgba(109,40,217,.16), transparent 55%),
        radial-gradient(680px 280px at 90% 30%, rgba(14,165,233,.14), transparent 58%);
      opacity:.9;
      pointer-events:none;
      mask-image: radial-gradient(640px 320px at 30% 20%, #000 55%, transparent 85%);
    }
    .form-card > *{position:relative}
    form{display:flex; flex-direction:column; gap:12px; margin-top:10px}
    label{font-size:13px; color:var(--muted); font-weight:700}
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.84);
      color:var(--text);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;
      font-size:14px;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(14,165,233,.38);
      box-shadow: var(--focus);
      background: rgba(255,255,255,.96);
    }
    .form-actions{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-top:4px;
    }
    .consent{
      color:var(--muted2); font-size:12.5px; line-height:1.6;
    }
    .helper-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
    }
    .helper-card h3{margin:0; font-size:16px}
    .helper-card p{margin:10px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .helper-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px; margin-top:14px;
    }
    .helper-mini{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
    }
    .helper-mini strong{display:block; font-size:13.5px}
    .helper-mini span{display:block; margin-top:6px; color:var(--muted); font-size:12.5px; line-height:1.5}

    details.faq{
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      padding:12px 14px;
      transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
    }
    details.faq[open]{border-color: rgba(109,40,217,.18); box-shadow: 0 18px 46px rgba(16,24,40,.10)}
    details.faq summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:2px 0;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .faq-q{
      font-weight:850;
      letter-spacing:-.2px;
      color: var(--text);
      font-size:14.5px;
      line-height:1.35;
    }
    .faq-ico{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease;
    }
    details.faq[open] .faq-ico{transform: rotate(45deg)}
    .faq-a{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
      padding:10px 0 0;
    }

    .reviews{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px;
    }
    .review{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .review:hover{transform: translateY(-2px); border-color: rgba(14,165,233,.18); box-shadow: 0 18px 46px rgba(16,24,40,.12)}
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px;
    }
    .avatar{
      width:40px; height:40px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(18px 18px at 25% 20%, rgba(109,40,217,.18), transparent 60%),
        radial-gradient(18px 18px at 80% 70%, rgba(14,165,233,.14), transparent 62%),
        rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#2a2a2a;
    }
    .review strong{font-size:14.5px}
    .review .role{color:var(--muted); font-size:12.5px; margin-top:4px}
    .review p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.8}

    .network{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    .network .map-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
      overflow:hidden;
      position:relative;
    }
    .map-card::after{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(900px 420px at 15% 20%, rgba(109,40,217,.14), transparent 55%),
        radial-gradient(880px 420px at 88% 70%, rgba(14,165,233,.12), transparent 60%),
        radial-gradient(760px 420px at 40% 110%, rgba(249,115,22,.10), transparent 60%);
      opacity:.9;
      pointer-events:none;
      mask-image: radial-gradient(620px 320px at 35% 30%, #000 52%, transparent 85%);
    }
    .map-card > *{position:relative}
    .map-title{
      display:flex; justify-content:space-between; align-items:flex-start; gap:12px;
      margin-bottom:10px;
    }
    .map-title strong{font-size:16px}
    .map-title span{color:var(--muted); font-size:13.5px; line-height:1.6}
    .net-badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:12px}
    .pulse{
      position:relative;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      color:var(--muted);
      font-size:12.5px;
      white-space:nowrap;
      overflow:hidden;
    }
    .pulse::before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(200px 60px at 30% 10%, rgba(14,165,233,.25), transparent 60%),
                  radial-gradient(200px 60px at 85% 80%, rgba(109,40,217,.20), transparent 60%);
      opacity:.55;
      pointer-events:none;
    }
    .pulse b{color:var(--text)}
    .timeline{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
    }
    .timeline .row{
      display:grid; grid-template-columns: auto 1fr;
      gap:12px;
      padding:12px 0;
      border-top:1px dashed rgba(16,24,40,.10);
    }
    .timeline .row:first-child{border-top:none; padding-top:0}
    .time-dot{
      width:34px; height:34px; border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(14,165,233,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
    }
    .timeline strong{display:block; font-size:14.5px; letter-spacing:-.2px}
    .timeline span{display:block; margin-top:6px; color:var(--muted); font-size:13.5px; line-height:1.7}

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tag-cloud .t{
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-size:13px;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      user-select:none;
    }
    .tag-cloud .t:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.18);
      box-shadow: 0 18px 46px rgba(16,24,40,.10);
      color: var(--text);
    }

    .footer{
      background: rgba(255,255,255,.65);
      border-top:1px solid rgba(16,24,40,.08);
      padding:26px 0 18px;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr 1fr; gap:16px; align-items:start;
    }
    .foot-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
    }
    .foot-title{display:flex; align-items:center; gap:12px}
    .foot-title strong{font-size:16px}
    .foot-title span{color:var(--muted); font-size:13.5px; line-height:1.6}
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px; margin-top:12px;
    }
    .foot-links a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease;
    }
    .foot-links a:hover{transform: translateY(-1px); border-color: rgba(109,40,217,.18); box-shadow: 0 14px 34px rgba(16,24,40,.10); color:var(--text)}
    .copyright{
      margin-top:14px;
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.7;
    }
    .bottom-row{
      margin-top:14px;
      padding-top:14px;
      border-top:1px dashed rgba(16,24,40,.10);
      display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
      color:var(--muted2);
      font-size:12.5px;
    }
    .backtop{
      position:fixed; right:16px; bottom:16px;
      width:46px; height:46px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 30px rgba(16,24,40,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0; pointer-events:none;
      transform: translateY(10px);
      transition: opacity .2s ease, transform .2s ease, background .2s ease, border-color .2s ease;
      z-index:60;
    }
    .backtop.show{opacity:1; pointer-events:auto; transform: translateY(0)}
    .backtop:hover{border-color: rgba(14,165,233,.20); background: rgba(255,255,255,.92)}
    .float-kefu{
      position:fixed; left:16px; bottom:16px;
      z-index:60;
      display:flex; flex-direction:column; gap:10px; align-items:flex-start;
    }
    .float-btn{
      display:flex; align-items:center; gap:10px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 30px rgba(16,24,40,.12);
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
      user-select:none;
      max-width: 240px;
    }
    .float-btn:hover{transform: translateY(-2px); border-color: rgba(109,40,217,.18); box-shadow: 0 18px 46px rgba(16,24,40,.12)}
    .float-btn .t1{
      display:flex; flex-direction:column; gap:4px;
    }
    .float-btn b{font-size:13.5px}
    .float-btn span{color:var(--muted); font-size:12.5px}
    .kefu-pop{
      display:none;
      width: 260px;
      border-radius: 20px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 60px rgba(16,24,40,.18);
      overflow:hidden;
      transform-origin: left bottom;
      animation: popIn .16s ease both;
    }
    @keyframes popIn{
      from{opacity:0; transform: translateY(6px) scale(.98)}
      to{opacity:1; transform: translateY(0) scale(1)}
    }
    .kefu-pop .head{
      padding:12px 12px 10px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background: linear-gradient(135deg, rgba(109,40,217,.10), rgba(14,165,233,.08));
      border-bottom: 1px solid rgba(16,24,40,.08);
    }
    .kefu-pop .head strong{font-size:13.5px}
    .kefu-close{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.74);
      cursor:pointer;
    }
    .kefu-pop .body{padding:12px}
    .kefu-pop img{
      width:100%; height:auto;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      display:block;
    }
    .kefu-pop .tip{
      margin-top:10px;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
    }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; padding:16px}
      h1{font-size:30px}
      .grid-3{grid-template-columns:1fr}
      .grid-4{grid-template-columns:1fr 1fr}
      .grid-2{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .article-list{grid-template-columns:1fr}
      .carousel-like{grid-template-columns:1fr}
      .network{grid-template-columns:1fr}
      .form-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .float-kefu{left:12px; bottom:12px}
    }
    @media (max-width: 820px){
      nav{display:none}
      .hamburger{display:block}
      .mobile-drawer{display:block}
      .mobile-drawer[data-open="false"]{display:none}
      .topbar-inner{padding:10px 0}
      .hero-right{padding-top:0}
    }