:root{
      --bg0:#ffffff;
      --bg1:#fbfaf7;
      --card:#ffffff;
      --text:#1f2430;
      --muted:#5a6477;
      --muted2:#7b879a;
      --line:rgba(16,24,40,.10);
      --line2:rgba(16,24,40,.14);
      --shadow:0 10px 30px rgba(16,24,40,.08);
      --shadow2:0 18px 50px rgba(16,24,40,.12);
      --brand1:#1b4dff;
      --brand2:#00c2ff;
      --brand3:#6d28d9;
      --brand4:#ff2a6d;
      --good:#10b981;
      --warn:#f59e0b;
      --radius:18px;
      --radius2:24px;
      --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", Arial, "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 10% -10%, rgba(27,77,255,.12), transparent 55%),
        radial-gradient(900px 650px at 90% 0%, rgba(0,194,255,.12), transparent 52%),
        radial-gradient(900px 700px at 50% 30%, rgba(109,40,217,.08), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, #fbfaf7 40%, #ffffff 100%);
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }
    .skip-link{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip-link:focus{left:18px;top:18px;width:auto;height:auto;z-index:9999;background:#fff;border:1px solid var(--line2);padding:10px 12px;border-radius:12px}
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(255,255,255,.70);
      border-bottom:1px solid rgba(16,24,40,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width:220px;
    }
    .brand img{
      width:40px; height:40px; object-fit:contain;
      filter: drop-shadow(0 8px 18px rgba(27,77,255,.15));
    }
    .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; flex:1; justify-content:flex-end;
    }
    .nav-links{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:var(--muted);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      transform: translateY(-1px);
      background: rgba(27,77,255,.06);
      border-color: rgba(27,77,255,.18);
      color:#1a2a55;
    }
    .cta-row{display:flex; align-items:center; gap:10px;}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      border-radius:999px;
      padding:10px 14px;
      border:1px solid rgba(16,24,40,.12);
      background:#fff;
      color:var(--text);
      text-decoration:none;
      font-weight:650;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 12px 26px rgba(16,24,40,.10); border-color: rgba(16,24,40,.18)}
    .btn-primary{
      border-color: rgba(27,77,255,.25);
      background: linear-gradient(135deg, rgba(27,77,255,.95), rgba(0,194,255,.90));
      color:#fff;
      box-shadow: 0 18px 40px rgba(27,77,255,.18);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(600px 120px at 20% 0%, rgba(255,255,255,.35), transparent 45%);
      transform: translateX(-20%);
      opacity:.85;
      pointer-events:none;
      transition: transform .35s ease;
    }
    .btn-primary:hover::after{transform: translateX(0%)}
    .btn-ghost{
      background: rgba(255,255,255,.85);
    }
    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, #fff 0%, rgba(255,255,255,.6) 20%, rgba(255,255,255,0) 55%), linear-gradient(135deg, var(--brand2), var(--brand1));
      box-shadow: 0 10px 22px rgba(27,77,255,.18);
    }
    .menu-btn{
      display:none;
      width:42px; height:42px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.12);
      background:#fff;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .menu-btn:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(16,24,40,.10)}
    .menu-lines{width:18px;height:14px;margin:0 auto;position:relative}
    .menu-lines span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px; background:#1f2430;
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .menu-lines span:nth-child(1){top:0}
    .menu-lines span:nth-child(2){top:6px}
    .menu-lines span:nth-child(3){top:12px}
    .menu-btn[aria-expanded="true"] .menu-lines span:nth-child(1){top:6px;transform:rotate(45deg)}
    .menu-btn[aria-expanded="true"] .menu-lines span:nth-child(2){opacity:0}
    .menu-btn[aria-expanded="true"] .menu-lines span:nth-child(3){top:6px;transform:rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding:0 0 14px;
    }
    .mobile-panel .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      padding:10px 0 0;
    }
    .mobile-panel .mobile-links a{
      text-decoration:none;
      font-size:14px;
      color:var(--text);
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.85);
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .mobile-panel .mobile-links a:hover{transform: translateY(-1px); box-shadow: 0 12px 26px rgba(16,24,40,.08)}
    main{padding-bottom:34px}
    .hero{
      padding:34px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      background:
        radial-gradient(900px 420px at 12% 0%, rgba(27,77,255,.20), transparent 60%),
        radial-gradient(600px 380px at 70% 20%, rgba(0,194,255,.18), transparent 55%),
        radial-gradient(600px 420px at 40% 90%, rgba(255,42,109,.10), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.70));
      border:1px solid rgba(16,24,40,.10);
      border-radius: var(--radius2);
      padding:22px;
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(500px 200px at 20% 0%, rgba(255,255,255,.55), transparent 55%),
        linear-gradient(135deg, rgba(27,77,255,.10), rgba(0,194,255,.08), rgba(109,40,217,.06));
      opacity:.75;
      pointer-events:none;
    }
    .hero-content{
      position:relative; z-index:1;
      display:flex; flex-direction:column; gap:14px;
      min-height: 320px;
    }
    .pill-row{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(16,24,40,.10);
      font-size:12px;
      color:var(--muted);
      user-select:none;
    }
    .pill b{color:#16223a}
    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .hero-sub{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 64ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      padding-top:6px;
    }
    .btn-small{
      padding:10px 12px; font-size:13px;
    }
    .hero-meta{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:10px;
      margin-top:auto;
    }
    .stat{
      background: rgba(255,255,255,.76);
      border:1px solid rgba(16,24,40,.10);
      border-radius:16px;
      padding:12px 12px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .stat:hover{transform: translateY(-2px); box-shadow: 0 16px 40px rgba(16,24,40,.10)}
    .stat strong{display:block; font-size:18px; letter-spacing:-.3px}
    .stat span{display:block; margin-top:4px; color:var(--muted2); font-size:12px; line-height:1.4}
    .side-panel{
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.72));
      box-shadow: var(--shadow);
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
      position:relative;
      overflow:hidden;
    }
    .side-panel::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 240px at 0% 0%, rgba(0,194,255,.14), transparent 55%),
        radial-gradient(420px 260px at 100% 30%, rgba(27,77,255,.12), transparent 60%);
      pointer-events:none;
    }
    .side-inner{position:relative; z-index:1; display:flex; flex-direction:column; gap:12px}
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .side-title h2{
      margin:0; font-size:15px; letter-spacing:.2px;
    }
    .badge-live{
      display:inline-flex; align-items:center; gap:8px;
      font-size:12px;
      color:#0f3d2e;
      background: rgba(16,185,129,.12);
      border:1px solid rgba(16,185,129,.22);
      padding:7px 10px;
      border-radius:999px;
      user-select:none;
      white-space:nowrap;
    }
    .pulse{
      width:8px; height:8px; border-radius:50%;
      background: var(--good);
      box-shadow: 0 0 0 0 rgba(16,185,129,.40);
      animation: pulse 1.8s infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(16,185,129,.40)}
      70%{box-shadow:0 0 0 10px rgba(16,185,129,0)}
      100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}
    }
    .side-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .side-item{
      display:flex; align-items:flex-start; gap:10px;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
    }
    .side-item .mark{
      width:34px; height:34px; border-radius:12px;
      background: linear-gradient(135deg, rgba(27,77,255,.12), rgba(0,194,255,.10));
      border:1px solid rgba(27,77,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .side-item .mark svg{width:18px;height:18px; color:#1b4dff}
    .side-item b{display:block; font-size:13px}
    .side-item p{
      margin:4px 0 0;
      color:var(--muted);
      font-size:12px; line-height:1.6;
    }
    .quick-form{
      margin-top:auto;
      border-top:1px dashed rgba(16,24,40,.14);
      padding-top:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .quick-form label{
      font-size:12px; color:var(--muted);
    }
    .quick-inputs{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
    }
    .field{
      display:flex; flex-direction:column; gap:6px;
    }
    .field input, .field select, .field textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.92);
      padding:11px 12px;
      font-size:13px;
      color:var(--text);
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    }
    .field textarea{min-height:92px; resize:vertical}
    .field input:focus, .field select:focus, .field textarea:focus{
      border-color: rgba(27,77,255,.35);
      box-shadow: 0 0 0 4px rgba(27,77,255,.12);
    }
    .quick-form .small-note{
      font-size:12px; color:var(--muted2); line-height:1.4;
    }
    .section{
      padding:26px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:16px;
      margin-bottom:14px;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      font-size:12px; color:var(--muted);
      padding:7px 10px; border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      user-select:none;
    }
    .kicker .chip{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, var(--brand4), var(--brand3));
      box-shadow: 0 10px 20px rgba(109,40,217,.14);
    }
    .section-title{
      margin:6px 0 0;
      font-size:22px; letter-spacing:-.35px;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      font-size:14px; line-height:1.7;
      max-width: 72ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.80);
      border:1px solid rgba(16,24,40,.10);
      border-radius: var(--radius);
      box-shadow: 0 8px 22px rgba(16,24,40,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{transform: translateY(-2px); box-shadow: 0 20px 44px rgba(16,24,40,.10); border-color: rgba(16,24,40,.14)}
    .card h3{
      margin:10px 0 6px;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .service-icons{
      display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap;
      margin-top:12px;
    }
    .mini-icon{
      flex:1 1 auto;
      min-width:160px;
      display:flex; gap:10px; align-items:center;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
    }
    .mini-icon .ico{
      width:36px; height:36px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(27,77,255,.20);
      background: linear-gradient(135deg, rgba(27,77,255,.12), rgba(0,194,255,.08));
      flex:0 0 auto;
    }
    .mini-icon .ico svg{width:18px;height:18px; color:#1b4dff}
    .mini-icon b{font-size:13px}
    .mini-icon span{display:block; margin-top:2px; color:var(--muted2); font-size:12px; line-height:1.4}
    .step-list{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:12px;
    }
    .step{
      position:relative;
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .step::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 160px at 0% 0%, rgba(27,77,255,.14), transparent 60%),
        radial-gradient(380px 160px at 100% 20%, rgba(0,194,255,.12), transparent 65%);
      opacity:.85;
      pointer-events:none;
    }
    .step > *{position:relative; z-index:1}
    .step:hover{transform: translateY(-2px); box-shadow: 0 20px 44px rgba(16,24,40,.10)}
    .step-num{
      width:42px; height:42px; border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(27,77,255,.10);
      border:1px solid rgba(27,77,255,.22);
      font-weight:800;
      letter-spacing:-.2px;
    }
    .step h3{margin:10px 0 6px; font-size:15px}
    .step p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .compare-head{
      padding:16px 16px 0;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      border-bottom:1px solid rgba(16,24,40,.08);
      background:
        radial-gradient(800px 240px at 0% 0%, rgba(27,77,255,.12), transparent 60%),
        radial-gradient(700px 240px at 100% 30%, rgba(0,194,255,.12), transparent 60%);
    }
    .compare-head .score{
      display:flex; flex-direction:column; align-items:flex-end; gap:6px;
      padding:8px 0;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:18px; height:18px; display:inline-flex;
      color:#f59e0b;
      filter: drop-shadow(0 10px 18px rgba(245,158,11,.18));
    }
    .score strong{font-size:22px; letter-spacing:-.3px}
    .score span{color:var(--muted); font-size:12px}
    .compare-body{padding:10px 0}
    .table-scroll{
      overflow:auto;
      -webkit-overflow-scrolling: touch;
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width: 860px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(16,24,40,.08);
      vertical-align:top;
      text-align:left;
      font-size:13px;
      line-height:1.6;
      color:var(--muted);
    }
    th{
      position:sticky; top:0;
      background: rgba(255,255,255,.94);
      color:#1f2430;
      font-weight:750;
      z-index:2;
      border-bottom:1px solid rgba(16,24,40,.14);
    }
    td strong{color:#1f2430}
    .mark-good{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:700; color:#0b3b2a;
    }
    .mark-good i{
      width:20px; height:20px; border-radius:8px;
      background: rgba(16,185,129,.12);
      border:1px solid rgba(16,185,129,.22);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .mark-good svg{width:12px;height:12px}
    .mark-mid{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:700; color:#4a3b16;
    }
    .mark-mid i{
      width:20px; height:20px; border-radius:8px;
      background: rgba(245,158,11,.12);
      border:1px solid rgba(245,158,11,.22);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .mark-mid svg{width:12px;height:12px}
    .badge-tier{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(27,77,255,.20);
      background: rgba(27,77,255,.08);
      color:#10336b;
      font-weight:750;
      white-space:nowrap;
    }
    .badge-tier i{
      width:10px;height:10px;border-radius:3px;background: linear-gradient(135deg,var(--brand2),var(--brand1));
    }
    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .timeline-card{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
    }
    .timeline-card h3{margin:0 0 10px; font-size:15px}
    .tl{
      display:flex; flex-direction:column; gap:10px;
    }
    .tl-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(16,24,40,.08);
    }
    .tl-dot{
      width:12px; height:12px; border-radius:6px;
      background: linear-gradient(135deg, var(--brand4), var(--brand3));
      box-shadow: 0 10px 18px rgba(109,40,217,.14);
      margin-top:4px;
      flex:0 0 auto;
    }
    .tl-item b{font-size:13px}
    .tl-item span{display:block; margin-top:3px; color:var(--muted); font-size:12px; line-height:1.6}
    .tabs-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .tab-list{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tab{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.80);
      font-size:13px;
      color:var(--muted);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, color .15s ease;
      user-select:none;
    }
    .tab:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(16,24,40,.08); border-color: rgba(16,24,40,.18); color:#253043}
    .tab[aria-selected="true"]{
      border-color: rgba(27,77,255,.28);
      background: linear-gradient(135deg, rgba(27,77,255,.12), rgba(0,194,255,.10));
      color:#11306a;
      font-weight:800;
    }
    .scenario-card h3{margin:0 0 8px; font-size:16px}
    .bullets{margin:0; padding-left:18px; color:var(--muted); font-size:13px; line-height:1.8}
    .bullets li{margin:6px 0}
    .network-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
      align-items:stretch;
    }
    .network-map{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(800px 240px at 0% 0%, rgba(27,77,255,.10), transparent 60%),
        radial-gradient(650px 240px at 100% 30%, rgba(0,194,255,.12), transparent 60%),
        rgba(255,255,255,.78);
      overflow:hidden;
      position:relative;
    }
    .network-map::before{
      content:"";
      position:absolute; left:-20%; top:-10%;
      width:140%; height:140%;
      background:
        linear-gradient(90deg, rgba(16,24,40,.06) 1px, transparent 1px) 0 0/34px 34px,
        linear-gradient(0deg, rgba(16,24,40,.06) 1px, transparent 1px) 0 0/34px 34px;
      opacity:.35;
      transform: rotate(-2deg);
      pointer-events:none;
    }
    .network-inner{position:relative; z-index:1; display:flex; flex-direction:column; gap:10px}
    .map-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .map-title b{font-size:15px}
    .map-legend{
      display:flex; gap:8px; align-items:center; flex-wrap:wrap;
      color:var(--muted2); font-size:12px;
    }
    .legend-dot{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, var(--brand2), var(--brand1));
      border:1px solid rgba(27,77,255,.22);
      box-shadow: 0 10px 18px rgba(27,77,255,.14);
    }
    .map-pills{
      display:flex; flex-wrap:wrap; gap:10px; margin-top:8px;
    }
    .city{
      display:inline-flex; align-items:center; gap:9px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      font-size:13px;
      color:#243043;
      user-select:none;
    }
    .city .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand4), var(--brand3));
      border:1px solid rgba(109,40,217,.22);
    }
    .network-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .network-right .card{padding:16px}
    .network-right h3{margin:0 0 6px; font-size:15px}
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      padding-top:6px;
    }
    .tag{
      font-size:12px;
      color:var(--muted);
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.74);
      user-select:none;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
    }
    .tag:hover{
      transform: translateY(-1px);
      border-color: rgba(27,77,255,.22);
      background: rgba(27,77,255,.06);
      color:#253043;
    }
    .articles{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .list{
      display:flex; flex-direction:column; gap:10px;
    }
    .list-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .list-item:hover{transform: translateY(-2px); box-shadow: 0 20px 44px rgba(16,24,40,.10)}
    .li-num{
      width:40px; height:40px; border-radius:16px;
      border:1px solid rgba(27,77,255,.20);
      background: linear-gradient(135deg, rgba(27,77,255,.12), rgba(0,194,255,.08));
      display:flex; align-items:center; justify-content:center;
      font-weight:850; letter-spacing:-.2px;
      flex:0 0 auto;
      color:#14306a;
    }
    .list-item b{display:block; font-size:14px; margin-top:2px}
    .list-item span{display:block; color:var(--muted); font-size:12px; margin-top:6px; line-height:1.6}
    .list-item a{
      text-decoration:none;
    }
    .articles-aside{
      display:flex; flex-direction:column; gap:12px;
    }
    .image-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .ai-page-image{
      width:100%;
      height:auto;
      border-radius: 16px;
      border:1px solid rgba(16,24,40,.10);
      box-shadow: 0 14px 36px rgba(16,24,40,.10);
      background:#fff;
      transform: translateZ(0);
    }
    .note-box{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
    }
    .note-box h3{margin:0 0 6px; font-size:15px}
    .note-box p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .accordion{
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      box-shadow: 0 10px 30px rgba(16,24,40,.06);
    }
    details{
      border-top:1px solid rgba(16,24,40,.08);
      padding:0 10px;
    }
    details:first-child{border-top:none}
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 8px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      color:#1f2430;
      font-weight:780;
      font-size:14px;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px; color:var(--muted2); font-weight:700; font-size:12px;
    }
    .chev{
      width:26px; height:26px; border-radius:10px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.8);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
      flex:0 0 auto;
    }
    details[open] .chev{transform: rotate(180deg)}
    .acc-body{
      padding:0 8px 14px;
      color:var(--muted);
      font-size:13px; line-height:1.8;
    }
    .review-grid{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .review{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(600px 200px at 0% 0%, rgba(27,77,255,.10), transparent 60%),
        rgba(255,255,255,.78);
      box-shadow: 0 10px 30px rgba(16,24,40,.06);
      position:relative;
      overflow:hidden;
    }
    .review::after{
      content:"";
      position:absolute; right:-30px; top:-30px;
      width:120px; height:120px;
      border-radius: 40px;
      background: radial-gradient(circle at 30% 30%, rgba(0,194,255,.25), transparent 60%);
      transform: rotate(12deg);
      pointer-events:none;
    }
    .review > *{position:relative; z-index:1}
    .review .who{
      display:flex; gap:12px; align-items:center; margin-bottom:8px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(16,24,40,.12);
      background: linear-gradient(135deg, rgba(27,77,255,.12), rgba(0,194,255,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#12306a;
      user-select:none;
    }
    .who b{display:block; font-size:14px}
    .who span{display:block; color:var(--muted2); font-size:12px; margin-top:3px}
    .review p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .cases{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .case-card{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 210px;
    }
    .case-card:hover{transform: translateY(-2px); box-shadow: 0 20px 44px rgba(16,24,40,.10)}
    .case-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .case-top b{font-size:14px}
    .chip-soft{
      font-size:12px; color:#12306a; font-weight:800;
      padding:8px 10px; border-radius:999px;
      background: rgba(27,77,255,.10);
      border:1px solid rgba(27,77,255,.20);
      user-select:none;
      white-space:nowrap;
    }
    .case-body{
      display:flex; flex-direction:column; gap:8px;
      color:var(--muted);
      font-size:13px; line-height:1.7;
      flex:1;
    }
    .case-actions{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
      margin-top:auto;
    }
    .link-btn{
      text-decoration:none;
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.82);
      font-weight:750; font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
    }
    .link-btn:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(16,24,40,.08); border-color: rgba(16,24,40,.18)}
    .link-btn svg{width:16px;height:16px}
    .form-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(900px 240px at 0% 0%, rgba(27,77,255,.12), transparent 60%),
        radial-gradient(800px 240px at 100% 30%, rgba(0,194,255,.12), transparent 60%),
        rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      padding:16px;
      overflow:hidden;
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .form-left{
      padding:8px 8px 8px 4px;
    }
    .form-left h3{
      margin:0 0 8px; font-size:16px;
    }
    .form-left p{
      margin:0; color:var(--muted); font-size:13px; line-height:1.8;
    }
    .form-right{
      padding:8px;
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
    }
    .form-grid-2{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
    }
    .form-row{
      display:flex; flex-direction:column; gap:6px;
      margin-bottom:10px;
    }
    .form-row label{
      font-size:12px; color:var(--muted);
    }
    .submit-row{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      margin-top:12px;
    }
    .form-hint{
      color:var(--muted2);
      font-size:12px; line-height:1.5;
      max-width: 40ch;
    }
    .footer{
      margin-top:10px;
      border-top:1px solid rgba(16,24,40,.10);
      background: linear-gradient(180deg, rgba(251,250,247,.55), rgba(255,255,255,.85));
      padding:22px 0 18px;
    }
    footer .foot-grid{
      display:grid; grid-template-columns: 1.2fr .8fr; gap:14px; align-items:start;
    }
    .foot-card{
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.85);
      box-shadow: 0 10px 30px rgba(16,24,40,.06);
      padding:16px;
    }
    .foot-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }
    .foot-title b{font-size:15px}
    .foot-title span{color:var(--muted2); font-size:12px}
    .foot-desc{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13px; line-height:1.8;
    }
    .friend-links{
      display:flex; flex-direction:column; gap:10px;
      padding:0; margin:12px 0 0;
      list-style:none;
    }
    .friend-links a{
      text-decoration:none;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.76);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      color:#22304a;
      font-size:13px;
      font-weight:700;
    }
    .friend-links a:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(16,24,40,.08); border-color: rgba(16,24,40,.18)}
    .friend-links a i{
      width:26px; height:26px;
      border-radius:10px;
      border:1px solid rgba(27,77,255,.18);
      background: rgba(27,77,255,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .friend-links svg{width:16px;height:16px}
    .copyright{
      margin-top:12px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color:var(--muted2);
      font-size:12px;
      padding:0 6px;
    }
    .to-top{
      position:fixed;
      right:16px; bottom:18px;
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 50px rgba(16,24,40,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0;
      transform: translateY(10px);
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease, background .15s ease;
      z-index:60;
    }
    .to-top.show{opacity:1; transform: translateY(0); pointer-events:auto}
    .to-top:hover{background:#fff}
    .to-top svg{width:20px;height:20px}
    .float-kefu{
      position:fixed;
      left:16px; bottom:18px;
      width:auto;
      display:flex;
      gap:10px;
      align-items:center;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.90);
      box-shadow: 0 18px 50px rgba(16,24,40,.14);
      cursor:pointer;
      z-index:60;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
    }
    .float-kefu:hover{transform: translateY(-2px); background:#fff}
    .float-kefu .qr{
      width:34px; height:34px;
      border-radius:14px;
      overflow:hidden;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      flex:0 0 auto;
      display:flex; align-items:center; justify-content:center;
    }
    .float-kefu .qr img{width:100%; height:100%; object-fit:cover}
    .float-kefu b{font-size:13px}
    .float-kefu span{display:block; color:var(--muted2); font-size:12px; margin-top:2px}
    .modal{
      position:fixed; inset:0;
      background: rgba(16,24,40,.40);
      display:none;
      align-items:center; justify-content:center;
      padding:18px;
      z-index:100;
    }
    .modal.show{display:flex}
    .modal-card{
      width:min(520px, 100%);
      border-radius: var(--radius2);
      border:1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.92);
      box-shadow: 0 30px 90px rgba(16,24,40,.30);
      overflow:hidden;
    }
    .modal-head{
      padding:14px 16px;
      border-bottom:1px solid rgba(16,24,40,.10);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background:
        radial-gradient(700px 220px at 0% 0%, rgba(27,77,255,.14), transparent 60%),
        radial-gradient(600px 220px at 100% 30%, rgba(0,194,255,.14), transparent 60%),
        rgba(255,255,255,.85);
    }
    .modal-head b{font-size:15px}
    .close-btn{
      width:38px; height:38px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background:#fff;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
      display:flex; align-items:center; justify-content:center;
    }
    .close-btn:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(16,24,40,.10)}
    .close-btn svg{width:18px;height:18px}
    .modal-body{
      padding:16px;
      display:grid; grid-template-columns: 1fr 1fr; gap:14px; align-items:center;
    }
    .qr-big{
      border-radius: 18px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      padding:12px;
      display:flex; align-items:center; justify-content:center;
    }
    .qr-big img{width:100%; max-width:220px; height:auto}
    .modal-info h3{margin:0 0 8px; font-size:16px}
    .modal-info p{margin:0; color:var(--muted); font-size:13px; line-height:1.8}
    .modal-info .contact{
      margin-top:12px; display:flex; flex-direction:column; gap:10px;
    }
    .contact a{
      text-decoration:none;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      font-size:13px; font-weight:800;
      color:#22304a;
    }
    .contact a i{
      width:26px; height:26px;
      border-radius:10px;
      border:1px solid rgba(27,77,255,.18);
      background: rgba(27,77,255,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .contact svg{width:16px;height:16px}
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }
    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-content{min-height:auto}
      .hero-meta{grid-template-columns: 1fr; }
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .step-list{grid-template-columns: 1fr 1fr}
      .articles{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .cases{grid-template-columns: 1fr}
      .faq-grid{grid-template-columns: 1fr}
      .network-grid{grid-template-columns: 1fr}
      .tabs-grid{grid-template-columns: 1fr}
      .timeline{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      footer .foot-grid{grid-template-columns: 1fr}
      .modal-body{grid-template-columns: 1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex; align-items:center; justify-content:center}
      .mobile-panel{display:block}
      .mobile-panel[aria-hidden="true"]{display:none}
      .mobile-panel[aria-hidden="false"]{display:block}
      header .container{padding:0 14px}
    }
    @media (prefers-reduced-motion: reduce){
      *{animation:none !important; transition:none !important}
      html{scroll-behavior:auto}
    }