:root{
      --bg:#fbf7f0;
      --paper:#ffffff;
      --ink:#1f2430;
      --muted:#5b6272;
      --subtle:#7a8294;
      --line:rgba(20,26,40,.12);
      --line2:rgba(20,26,40,.08);
      --shadow:0 18px 50px rgba(20,26,40,.10);
      --shadow2:0 10px 28px rgba(20,26,40,.10);
      --brand:#ffc400;
      --brand2:#ffb000;
      --accent:#2a66ff;
      --accent2:#19c37d;
      --warn:#ff4d4f;
      --radius:18px;
      --radius2:14px;
      --container:1160px;
    }

    *{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(--ink);
      background:
        radial-gradient(900px 500px at 15% -10%, rgba(255,196,0,.25), transparent 55%),
        radial-gradient(900px 540px at 85% 0%, rgba(42,102,255,.13), transparent 60%),
        linear-gradient(180deg, #fff 0%, var(--bg) 40%, #fff 100%);
    }

    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 20px;
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:40;
      background:rgba(255,255,255,.72);
      backdrop-filter:saturate(180%) blur(12px);
      border-bottom:1px solid var(--line2);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:220px;
    }
    .ai-page-logo{
      width:170px;
      display:block;
      filter: drop-shadow(0 8px 18px rgba(255,196,0,.18));
    }
    .brand small{
      display:block;
      font-size:12px;
      color:var(--muted);
      letter-spacing:.2px;
      margin-top:2px;
    }

    .menu{
      display:flex;
      align-items:center;
      gap:14px;
      flex:1;
      justify-content:flex-end;
      flex-wrap:wrap;
    }
    .navlink{
      font-size:14px;
      color:rgba(31,36,48,.86);
      padding:10px 10px;
      border-radius:12px;
      transition: background .2s ease, transform .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .navlink:hover{
      background:rgba(255,196,0,.12);
      color:rgba(31,36,48,.98);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:14px;
      padding:12px 16px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.9);
      color:rgba(31,36,48,.95);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      font-weight:650;
      letter-spacing:.2px;
      user-select:none;
    }
    .btn:active{transform: translateY(1px)}
    .btn:hover{
      box-shadow:0 14px 30px rgba(20,26,40,.12);
      border-color:rgba(20,26,40,.18);
    }
    .btn-primary{
      background: linear-gradient(180deg, var(--brand) 0%, var(--brand2) 100%);
      border-color:rgba(255,154,0,.55);
      box-shadow: 0 18px 40px rgba(255,180,0,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 60px rgba(255,180,0,.28);
    }
    .btn-ghost{
      background:rgba(255,255,255,.55);
    }

    .hamburger{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.8);
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: box-shadow .2s ease, transform .2s ease;
    }
    .hamburger:hover{box-shadow:0 14px 30px rgba(20,26,40,.10)}
    .hamburger:active{transform: translateY(1px)}
    .hamburger span{
      width:18px; height:2px;
      background:rgba(31,36,48,.86);
      position:relative;
      display:block;
    }
    .hamburger span::before,.hamburger span::after{
      content:"";
      position:absolute;
      left:0;
      width:18px; height:2px;
      background:rgba(31,36,48,.86);
      border-radius:2px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span::before{top:-6px}
    .hamburger span::after{top:6px}

    .mobile-panel{
      display:none;
      padding:0 0 16px 0;
    }
    .mobile-panel .mobile-menu{
      background:rgba(255,255,255,.92);
      border:1px solid var(--line2);
      border-radius:18px;
      padding:10px;
      box-shadow:0 18px 50px rgba(20,26,40,.10);
    }
    .mobile-links{
      display:flex;
      flex-direction:column;
      gap:6px;
      padding:6px;
    }
    .mobile-links a{
      padding:12px 12px;
      border-radius:14px;
      color:rgba(31,36,48,.92);
      background:transparent;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      font-weight:600;
    }
    .mobile-links a:hover{
      background:rgba(255,196,0,.12);
      border-color:rgba(255,196,0,.28);
      transform: translateY(-1px);
    }
    .mobile-ctas{
      display:flex;
      gap:10px;
      padding:6px;
      flex-wrap:wrap;
    }
    .mobile-ctas .btn{flex:1; min-width:150px}

    header.hero{
      padding:36px 0 14px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }

    .hero-card{
      border-radius:26px;
      background:
        radial-gradient(900px 380px at 10% 0%, rgba(255,196,0,.35), transparent 55%),
        radial-gradient(700px 380px at 90% 20%, rgba(42,102,255,.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.55));
      border:1px solid rgba(255,196,0,.28);
      box-shadow: var(--shadow);
      padding:26px 22px;
      overflow:hidden;
      position:relative;
    }
    .hero-card::after{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(520px 220px at 20% 20%, rgba(255,196,0,.26), transparent 55%),
        radial-gradient(520px 220px at 80% 10%, rgba(42,102,255,.14), transparent 60%);
      pointer-events:none;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.8), rgba(0,0,0,0));
      opacity:.9;
    }

    .hero-top{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:14px;
    }

    .kicker{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,196,0,.35);
      background: rgba(255,196,0,.10);
      font-weight:700;
      letter-spacing:.3px;
      color:rgba(31,36,48,.96);
      font-size:13px;
      white-space:nowrap;
    }
    .dot{
      width:10px; height:10px;
      border-radius:50%;
      background: linear-gradient(180deg, var(--brand), var(--brand2));
      box-shadow:0 8px 18px rgba(255,180,0,.35);
    }
    .hero-title{
      margin:0;
      font-size:38px;
      line-height:1.12;
      letter-spacing:-.6px;
      position:relative;
      z-index:1;
    }
    .hero-lead{
      margin:0;
      color:rgba(31,36,48,.74);
      font-size:15px;
      line-height:1.8;
      max-width:62ch;
      position:relative;
      z-index:1;
    }

    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:6px;
      position:relative;
      z-index:1;
    }
    .hero-actions .btn{padding:13px 16px}

    .meta-row{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:8px;
      position:relative;
      z-index:1;
    }
    .meta{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,26,40,.10);
      background:rgba(255,255,255,.58);
      min-width:180px;
    }
    .meta svg{flex:none}
    .meta b{display:block; font-size:14px}
    .meta span{display:block; font-size:12px; color:var(--muted); margin-top:1px}

    .hero-side{
      border-radius:26px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,26,40,.10);
      box-shadow: var(--shadow2);
      padding:18px;
      overflow:hidden;
      position:relative;
    }
    .hero-side::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(520px 220px at 60% 0%, rgba(255,196,0,.22), transparent 55%),
        radial-gradient(420px 240px at 0% 45%, rgba(42,102,255,.14), transparent 60%);
      opacity:.8;
      pointer-events:none;
    }
    .side-inner{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:14px;
      height:100%;
    }

    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .side-title h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .badge-live{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(42,102,255,.10);
      border:1px solid rgba(42,102,255,.22);
      font-weight:750;
      color:rgba(31,36,48,.9);
      font-size:12px;
      white-space:nowrap;
    }
    .badge-live i{
      width:8px; height:8px;
      border-radius:50%;
      background: rgba(42,102,255,1);
      box-shadow:0 0 0 6px rgba(42,102,255,.12);
      display:inline-block;
      animation:pulse 1.6s ease-in-out infinite;
    }
    @keyframes pulse{
      0%,100%{transform:scale(1); opacity:1}
      50%{transform:scale(1.12); opacity:.85}
    }

    .stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .stat{
      border-radius:18px;
      border:1px solid rgba(20,26,40,.10);
      background:rgba(255,255,255,.65);
      padding:12px 12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .stat:hover{
      transform: translateY(-2px);
      box-shadow:0 18px 40px rgba(20,26,40,.10);
      border-color:rgba(255,196,0,.35);
    }
    .stat .num{
      font-size:22px;
      font-weight:850;
      letter-spacing:-.4px;
    }
    .stat .label{
      margin-top:6px;
      font-size:12px;
      color:var(--muted);
      line-height:1.5;
    }

    .side-quick{
      border-radius:20px;
      border:1px solid rgba(255,196,0,.22);
      background: linear-gradient(180deg, rgba(255,196,0,.18), rgba(255,255,255,.55));
      padding:14px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .side-quick p{
      margin:0;
      color:rgba(31,36,48,.76);
      line-height:1.7;
      font-size:13px;
    }
    .quick-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .tagbtn{
      flex:1;
      min-width:140px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.65);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .tagbtn:hover{
      transform: translateY(-2px);
      box-shadow:0 16px 34px rgba(20,26,40,.10);
      border-color:rgba(42,102,255,.22);
    }
    .tagbtn b{font-size:13px}
    .tagbtn span{font-size:12px; color:var(--muted)}
    .tagbtn .arr{
      width:28px; height:28px;
      border-radius:10px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(42,102,255,.10);
      border:1px solid rgba(42,102,255,.18);
      color:rgba(42,102,255,.95);
      flex:none;
    }

    main{padding:10px 0 30px}
    section{padding:34px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
    }
    .section-head h2{
      margin:0;
      font-size:26px;
      letter-spacing:-.4px;
      line-height:1.25;
    }
    .section-head p{
      margin:0;
      color:rgba(31,36,48,.74);
      line-height:1.8;
      font-size:14px;
      max-width:62ch;
    }

    .grid3{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
      align-items:stretch;
    }
    .grid2{
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:14px;
      align-items:stretch;
    }
    .card{
      border-radius:20px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.70);
      padding:16px;
      box-shadow: 0 16px 40px rgba(20,26,40,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 60px rgba(20,26,40,.10);
      border-color:rgba(255,196,0,.30);
    }

    .card .h3{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:8px;
    }
    .card h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .icon{
      width:40px; height:40px;
      border-radius:14px;
      background: rgba(255,196,0,.14);
      border:1px solid rgba(255,196,0,.28);
      display:flex; align-items:center; justify-content:center;
      color:rgba(31,36,48,.9);
      flex:none;
    }
    .card p{
      margin:0;
      color:rgba(31,36,48,.74);
      line-height:1.8;
      font-size:14px;
    }
    .list{
      margin:12px 0 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:9px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color:rgba(31,36,48,.78);
      font-size:13px;
      line-height:1.6;
    }
    .check{
      width:18px; height:18px;
      border-radius:6px;
      background: rgba(25,195,125,.12);
      border:1px solid rgba(25,195,125,.22);
      display:flex; align-items:center; justify-content:center;
      color:rgba(25,195,125,.95);
      flex:none;
      margin-top:1px;
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:12px;
    }
    .step{
      border-radius:22px;
      border:1px solid rgba(20,26,40,.10);
      background:
        radial-gradient(420px 220px at 20% 0%, rgba(255,196,0,.18), transparent 55%),
        rgba(255,255,255,.65);
      padding:16px 14px;
      position:relative;
      overflow:hidden;
      min-height:132px;
    }
    .step .num{
      font-weight:900;
      font-size:13px;
      letter-spacing:.8px;
      color:rgba(31,36,48,.65);
      display:flex;
      align-items:center;
      gap:10px;
    }
    .step .num i{
      width:26px; height:26px;
      border-radius:10px;
      background: rgba(255,196,0,.16);
      border:1px solid rgba(255,196,0,.28);
      display:inline-flex; align-items:center; justify-content:center;
      font-style:normal;
      color:rgba(31,36,48,.92);
    }
    .step h3{margin:10px 0 8px; font-size:15px; letter-spacing:-.2px}
    .step p{margin:0; color:rgba(31,36,48,.74); font-size:13px; line-height:1.7}

    .compare-wrap{
      border-radius:24px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.68);
      padding:14px;
      box-shadow: 0 18px 50px rgba(20,26,40,.07);
    }

    .compare-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:8px 8px 14px;
    }
    .rating{
      display:flex; gap:12px; align-items:center;
    }
    .stars{
      width:130px;
      height:44px;
      display:flex; align-items:center; gap:6px;
    }
    .star{
      width:20px; height:20px;
      background: linear-gradient(180deg, var(--brand), var(--brand2));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 71%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow:0 14px 30px rgba(255,180,0,.25);
    }
    .rating strong{
      font-size:30px; letter-spacing:-.6px;
    }
    .rating span{
      display:block; color:var(--muted); margin-top:2px; font-size:13px;
    }

    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(20,26,40,.10);
      background:rgba(255,255,255,.75);
    }
    .compare-table th, .compare-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(20,26,40,.08);
      vertical-align:top;
      text-align:left;
      font-size:13px;
      line-height:1.6;
    }
    .compare-table th{
      background: linear-gradient(180deg, rgba(255,196,0,.14), rgba(255,255,255,.70));
      color:rgba(31,36,48,.92);
      font-weight:850;
    }
    .compare-table tr:last-child td{border-bottom:none}
    .muted{color:var(--muted)}
    .good{
      color:rgba(25,195,125,.95);
      font-weight:800;
    }

    .tagcloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,26,40,.10);
      background:rgba(255,255,255,.70);
      font-size:13px;
      color:rgba(31,36,48,.86);
      transition: transform .2s ease, border-color .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .tag:hover{transform: translateY(-2px); border-color:rgba(255,196,0,.35)}

    .network{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
      align-items:stretch;
    }
    .mapcard{
      border-radius:24px;
      border:1px solid rgba(20,26,40,.10);
      background:
        radial-gradient(420px 220px at 10% 10%, rgba(255,196,0,.20), transparent 55%),
        radial-gradient(420px 220px at 90% 0%, rgba(42,102,255,.12), transparent 60%),
        rgba(255,255,255,.66);
      padding:16px;
      position:relative;
      overflow:hidden;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
    }
    .mapgrid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:10px;
      margin-top:12px;
    }
    .city{
      border-radius:18px;
      border:1px solid rgba(20,26,40,.10);
      background:rgba(255,255,255,.72);
      padding:12px 12px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .city:hover{transform: translateY(-2px); border-color:rgba(42,102,255,.22); box-shadow:0 18px 40px rgba(20,26,40,.10)}
    .city b{display:block; font-size:14px}
    .city span{display:block; margin-top:6px; font-size:12px; color:var(--muted); line-height:1.6}

    .timeline{
      border-radius:24px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.70);
      padding:16px;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
    }
    .timeline ol{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .titem{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(20,26,40,.08);
      background:rgba(255,255,255,.68);
      transition: transform .2s ease, border-color .2s ease;
    }
    .titem:hover{transform: translateY(-2px); border-color:rgba(255,196,0,.32)}
    .tbullet{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(255,196,0,.14);
      border:1px solid rgba(255,196,0,.28);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:rgba(31,36,48,.9);
      flex:none;
    }
    .titem b{font-size:14px}
    .titem p{margin:6px 0 0; font-size:13px; color:rgba(31,36,48,.74); line-height:1.7}

    .cases{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:14px;
    }
    .case{
      border-radius:24px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.70);
      padding:14px;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
    }
    .case:hover{
      transform: translateY(-3px);
      box-shadow: 0 26px 70px rgba(20,26,40,.12);
      border-color:rgba(255,196,0,.32);
    }
    .thumb{
      border-radius:18px;
      border:1px solid rgba(20,26,40,.10);
      background:
        radial-gradient(500px 220px at 30% 0%, rgba(255,196,0,.22), transparent 60%),
        linear-gradient(180deg, rgba(42,102,255,.12), rgba(255,255,255,.70));
      height:120px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:12px;
      position:relative;
      overflow:hidden;
    }
    .thumb::after{
      content:"";
      position:absolute;
      inset:-40px;
      background:
        repeating-linear-gradient(45deg, rgba(255,255,255,.25) 0 10px, rgba(255,255,255,0) 10px 20px);
      transform: rotate(10deg);
      opacity:.35;
      pointer-events:none;
    }
    .thumb span{
      position:relative;
      z-index:1;
      font-weight:900;
      letter-spacing:.6px;
      color:rgba(31,36,48,.92);
      font-size:13px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,26,40,.10);
      background:rgba(255,255,255,.72);
    }
    .case h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .case p{
      margin:8px 0 0;
      font-size:13px;
      color:rgba(31,36,48,.74);
      line-height:1.7;
      min-height:44px;
    }
    .case .meta{
      min-width:auto;
      margin-top:12px;
      background:rgba(255,255,255,.60);
      border-radius:16px;
      padding:10px 12px;
      border:1px solid rgba(20,26,40,.10);
      justify-content:space-between;
      width:100%;
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      border-radius:24px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.70);
      padding:14px;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
    }
    .article-list header{
      padding:0;
    }
    .article-list h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .article-items{
      margin:12px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .article-items a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(20,26,40,.08);
      background: rgba(255,255,255,.68);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .article-items a:hover{
      transform: translateY(-2px);
      border-color:rgba(255,196,0,.35);
      box-shadow: 0 18px 40px rgba(20,26,40,.10);
    }
    .article-items b{
      font-size:13px;
      letter-spacing:-.1px;
      line-height:1.4;
    }
    .article-items span{
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
      flex:none;
    }

    .media-grid{
      border-radius:24px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.68);
      padding:14px;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .media-grid h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .img-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .imgbox{
      border-radius:20px;
      border:1px solid rgba(20,26,40,.10);
      overflow:hidden;
      background:rgba(255,255,255,.7);
      position:relative;
    }
    .imgbox img{
      width:100%;
      height:140px;
      object-fit:cover;
      display:block;
      transform: scale(1.01);
      transition: transform .4s ease;
    }
    .imgbox:hover img{transform: scale(1.06)}
    .imgcap{
      position:absolute;
      left:10px; right:10px; bottom:10px;
      padding:10px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(20,26,40,.10);
      font-size:12px;
      color:rgba(31,36,48,.86);
      backdrop-filter: blur(10px);
    }

    .formcard{
      border-radius:26px;
      border:1px solid rgba(255,196,0,.25);
      background:
        radial-gradient(520px 220px at 15% 0%, rgba(255,196,0,.28), transparent 55%),
        radial-gradient(420px 260px at 90% 10%, rgba(42,102,255,.14), transparent 60%),
        rgba(255,255,255,.68);
      padding:16px;
      box-shadow: 0 20px 60px rgba(20,26,40,.08);
      overflow:hidden;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr .95fr;
      gap:14px;
      align-items:start;
    }
    form{
      margin:0;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .field-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:8px;
      font-size:13px;
      color:rgba(31,36,48,.86);
      font-weight:700;
      letter-spacing:-.1px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(20,26,40,.12);
      background: rgba(255,255,255,.85);
      outline:none;
      color:rgba(31,36,48,.95);
      font-size:14px;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(255,196,0,.55);
      box-shadow: 0 0 0 5px rgba(255,196,0,.18);
    }
    textarea{min-height:110px; resize:vertical}
    .form-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:4px;
    }
    .hint{
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
    }
    .side-note{
      border-radius:22px;
      border:1px solid rgba(20,26,40,.10);
      background:rgba(255,255,255,.65);
      padding:14px;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
    }
    .side-note h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .side-note ul{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .side-note li{
      display:flex; gap:10px; align-items:flex-start;
      color:rgba(31,36,48,.78);
      font-size:13px;
      line-height:1.7;
    }
    .chip{
      width:30px; height:30px;
      border-radius:12px;
      background: rgba(42,102,255,.10);
      border:1px solid rgba(42,102,255,.18);
      display:flex; align-items:center; justify-content:center;
      color:rgba(42,102,255,.95);
      flex:none;
    }

    .faq{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .faq-item{
      border-radius:22px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
      overflow:hidden;
      transition: border-color .2s ease, transform .2s ease;
    }
    .faq-item[open]{
      border-color: rgba(255,196,0,.35);
      transform: translateY(-2px);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:14px 14px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      user-select:none;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .q{
      font-weight:850;
      font-size:14px;
      letter-spacing:-.2px;
      line-height:1.5;
    }
    .chev{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      flex:none;
      transition: transform .2s ease, border-color .2s ease;
      margin-top:-2px;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(255,196,0,.35)}
    .a{
      padding:0 14px 14px;
      color:rgba(31,36,48,.76);
      font-size:13px;
      line-height:1.8;
    }

    .reviews{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
    }
    .review{
      border-radius:24px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.70);
      padding:16px;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .review:hover{
      transform: translateY(-2px);
      border-color:rgba(42,102,255,.20);
      box-shadow: 0 26px 70px rgba(20,26,40,.10);
    }
    .review .top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:44px; height:44px;
      border-radius:16px;
      background: linear-gradient(180deg, rgba(255,196,0,.20), rgba(255,255,255,.75));
      border:1px solid rgba(255,196,0,.28);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      letter-spacing:-.4px;
      color:rgba(31,36,48,.92);
      flex:none;
    }
    .review b{
      display:block;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .review small{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:12px;
      line-height:1.4;
    }
    .review p{
      margin:0;
      color:rgba(31,36,48,.76);
      font-size:13px;
      line-height:1.8;
    }

    .pricegrid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .pricecard{
      border-radius:26px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .pricecard::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(520px 240px at 0% 0%, rgba(255,196,0,.24), transparent 55%);
      opacity:.8;
      pointer-events:none;
    }
    .pricecard > *{position:relative; z-index:1}
    .pricecard h3{margin:0; font-size:16px; letter-spacing:-.2px}
    .pricecard p{margin:8px 0 0; color:rgba(31,36,48,.74); font-size:13px; line-height:1.8}
    .pricebox{
      margin-top:12px;
      border-radius:22px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
    }
    .pricebox table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
    }
    .pricebox th,.pricebox td{
      padding:12px 12px;
      border-bottom:1px solid rgba(20,26,40,.08);
      text-align:left;
      font-size:13px;
      line-height:1.6;
      vertical-align:top;
    }
    .pricebox th{
      background: linear-gradient(180deg, rgba(42,102,255,.10), rgba(255,255,255,.72));
      color:rgba(31,36,48,.92);
      font-weight:900;
    }
    .pricebox tr:last-child td{border-bottom:none}

    .helper{
      display:flex;
      gap:12px;
      align-items:flex-start;
      flex-wrap:wrap;
      margin-top:12px;
    }
    .smallcard{
      flex:1;
      min-width:210px;
      border-radius:22px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.68);
      padding:14px;
      box-shadow: 0 18px 50px rgba(20,26,40,.06);
      transition: transform .2s ease, border-color .2s ease;
    }
    .smallcard:hover{transform: translateY(-2px); border-color: rgba(255,196,0,.35)}
    .smallcard h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .smallcard p{
      margin:8px 0 0;
      color:rgba(31,36,48,.74);
      font-size:13px;
      line-height:1.8;
    }

    .footer{
      background: #141a25;
      color: rgba(255,255,255,.92);
      border-top:1px solid rgba(255,255,255,.10);
      padding:26px 0 18px;
    }
    .footer .container{
      padding:0 20px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .foot-brand{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .foot-brand .row{
      display:flex; align-items:center; gap:12px;
      flex-wrap:wrap;
    }
    .foot-logo{
      width:140px;
      display:block;
      filter: drop-shadow(0 14px 30px rgba(255,196,0,.18));
    }
    .footer p{margin:0; color: rgba(255,255,255,.72); line-height:1.8; font-size:13px}
    .foot-links{
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-start;
    }
    .foot-links b{
      font-size:14px; letter-spacing:-.2px;
    }
    .friend{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:8px;
    }
    .friend a{
      display:inline-flex;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      color: rgba(255,255,255,.88);
      font-size:12px;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
      white-space:nowrap;
    }
    .friend a:hover{
      transform: translateY(-2px);
      border-color: rgba(255,196,0,.35);
      background: rgba(255,196,0,.10);
    }

    .foot-bottom{
      margin-top:16px;
      padding-top:14px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .copyright{
      color: rgba(255,255,255,.70);
      font-size:12px;
    }
    .contactline{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      color: rgba(255,255,255,.78);
      font-size:12px;
    }
    .contactline a{
      color: rgba(255,255,255,.90);
      border-bottom:1px dashed rgba(255,255,255,.28);
    }

    .scrolltop{
      position:fixed;
      right:16px;
      bottom:16px;
      width:48px;
      height:48px;
      border-radius:18px;
      border:1px solid rgba(20,26,40,.12);
      background: rgba(255,255,255,.78);
      backdrop-filter: blur(10px);
      display:flex;
      align-items:center;
      justify-content:center;
      box-shadow: 0 18px 50px rgba(20,26,40,.10);
      cursor:pointer;
      transition: transform .2s ease, opacity .2s ease;
      opacity:0;
      pointer-events:none;
      z-index:60;
    }
    .scrolltop.show{
      opacity:1;
      pointer-events:auto;
      transform: translateY(0);
    }

    .float-chat{
      position:fixed;
      left:16px;
      bottom:16px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-start;
      pointer-events:none;
    }
    .wechat-chip{
      pointer-events:auto;
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(20,26,40,.12);
      background: rgba(255,255,255,.78);
      backdrop-filter: blur(10px);
      box-shadow: 0 18px 50px rgba(20,26,40,.10);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .wechat-chip:hover{
      transform: translateY(-2px);
      border-color: rgba(255,196,0,.35);
      box-shadow: 0 24px 70px rgba(20,26,40,.12);
    }
    .wechat-chip .ico{
      width:40px; height:40px;
      border-radius:16px;
      background: rgba(25,195,125,.10);
      border:1px solid rgba(25,195,125,.18);
      display:flex; align-items:center; justify-content:center;
      flex:none;
    }
    .wechat-chip b{
      font-size:13px;
      letter-spacing:-.1px;
      display:block;
    }
    .wechat-chip span{
      font-size:12px;
      color:var(--muted);
      display:block;
      margin-top:2px;
    }

    .modal{
      position:fixed;
      inset:0;
      background: rgba(10,14,20,.45);
      display:none;
      align-items:center;
      justify-content:center;
      padding:20px;
      z-index:80;
    }
    .modal.show{display:flex}
    .modalbox{
      width:min(720px, 100%);
      border-radius:26px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.20);
      box-shadow: 0 40px 120px rgba(0,0,0,.28);
      overflow:hidden;
    }
    .modalhead{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 14px;
      border-bottom:1px solid rgba(20,26,40,.10);
      background: linear-gradient(180deg, rgba(255,196,0,.18), rgba(255,255,255,.70));
    }
    .modalhead b{
      font-size:15px;
      letter-spacing:-.2px;
    }
    .closebtn{
      width:42px; height:42px;
      border-radius:16px;
      border:1px solid rgba(20,26,40,.12);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
    }
    .closebtn:active{transform: translateY(1px)}
    .modalbody{
      padding:16px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .modalbody .qrcode{
      border-radius:22px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.80);
      padding:14px;
    }
    .qrcode img{
      width:100%;
      max-width:220px;
      display:block;
      margin:0 auto;
      height:auto;
    }
    .modalbody p{
      margin:0;
      color:rgba(31,36,48,.74);
      line-height:1.8;
      font-size:13px;
    }
    .modalbody .side{
      border-radius:22px;
      border:1px solid rgba(20,26,40,.10);
      background: rgba(255,255,255,.75);
      padding:14px;
    }
    .side h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .side ul{margin:10px 0 0; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px}
    .side li{display:flex; gap:10px; align-items:flex-start; color:rgba(31,36,48,.78); font-size:13px; line-height:1.7}
    .side li i{
      width:22px; height:22px;
      border-radius:9px;
      background: rgba(255,196,0,.14);
      border:1px solid rgba(255,196,0,.28);
      display:inline-flex; align-items:center; justify-content:center;
      font-style:normal;
      color:rgba(31,36,48,.92);
      flex:none;
      margin-top:2px;
      font-weight:900;
    }

    .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; }
      .ai-page-logo{width:150px}
      .steps{grid-template-columns:repeat(2, 1fr)}
      .grid3{grid-template-columns:1fr}
      .grid2{grid-template-columns:1fr}
      .network{grid-template-columns:1fr}
      .cases{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .faq{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .pricegrid{grid-template-columns:1fr}
      .img-row{grid-template-columns:1fr}
      .modalbody{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .stats{grid-template-columns:1fr 1fr}
      .mobile-panel{display:block}
      .menu{display:none}
      .hamburger{display:flex}
    }

    @media (max-width: 520px){
      .hero-title{font-size:30px}
      .meta{min-width:100%}
      .stats{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .field-row{grid-template-columns:1fr}
      .hero-card{padding:22px 16px}
      .hero-side{padding:14px}
    }