:root{
      --bg0:#ffffff;
      --bg1:#f7f6ff;
      --bg2:#f3fbff;
      --text:#121826;
      --muted:#5a6476;
      --muted2:#7a8598;
      --border:rgba(18,24,38,.12);
      --shadow: 0 14px 40px rgba(16,24,40,.12);
      --shadow2: 0 10px 22px rgba(16,24,40,.10);
      --ring: rgba(99,102,241,.35);

      --brand1:#6d5efc;
      --brand2:#16b8ff;
      --brand3:#22c55e;
      --brand4:#f97316;

      --card:#ffffff;
      --card2:rgba(255,255,255,.72);

      --radius-lg:18px;
      --radius-md:14px;
      --radius-sm:12px;

      --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 CJK SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 20% -5%, rgba(109,94,252,.20), transparent 55%),
        radial-gradient(700px 360px at 85% 10%, rgba(22,184,255,.18), transparent 55%),
        radial-gradient(740px 420px at 70% 65%, rgba(34,197,94,.12), transparent 60%),
        linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 40%, var(--bg2) 100%);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    .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:12px; width:auto; height:auto;
      background:#fff; padding:10px 12px; border:1px solid var(--border); border-radius:10px;
      z-index:10000;
      box-shadow:var(--shadow2);
    }

    header{
      position:sticky; top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(18,24,38,.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:160px;
    }
    .ai-page-logo{
      width:40px; height:40px; border-radius:12px;
      background: linear-gradient(135deg, rgba(109,94,252,.18), rgba(22,184,255,.18));
      padding:6px;
      box-shadow: 0 10px 22px rgba(109,94,252,.10);
      object-fit:contain;
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.05;
    }
    .brand-title b{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    nav{
      display:flex; align-items:center; gap:16px;
      flex:1; justify-content:flex-end;
    }
    .nav-links{
      display:flex; align-items:center; gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-link{
      font-size:13px; color:var(--muted);
      padding:9px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(255,255,255,.7);
      border-color: rgba(18,24,38,.10);
      color: var(--text);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; gap:10px; align-items:center;
    }
    .btn{
      border:1px solid rgba(18,24,38,.12);
      background: #fff;
      padding:10px 14px;
      border-radius:14px;
      font-size:13px;
      color:var(--text);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      box-shadow: 0 10px 22px rgba(16,24,40,.06);
      display:inline-flex; align-items:center; gap:8px;
      user-select:none;
    }
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      border-color: rgba(109,94,252,.35);
      background: linear-gradient(135deg, rgba(109,94,252,.18), rgba(22,184,255,.18));
      box-shadow: 0 18px 40px rgba(109,94,252,.14);
    }
    .btn-primary .spark{
      width:10px; height:10px; border-radius:999px;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.2) 30%, rgba(109,94,252,.85) 60%, rgba(22,184,255,.85) 100%);
      box-shadow:0 0 0 6px rgba(109,94,252,.10);
    }
    .btn-ghost{
      background: rgba(255,255,255,.7);
    }

    .burger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.75);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
      box-shadow: 0 10px 22px rgba(16,24,40,.06);
    }
    .burger:active{transform: translateY(1px)}
    .burger svg{width:20px; height:20px}

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(18,24,38,.08);
      padding:12px 0 16px;
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-actions{
      display:flex; gap:10px; margin-top:10px;
    }
    .mobile-actions .btn{flex:1; justify-content:center}

    main{padding: 18px 0 40px}

    .hero{
      padding:34px 0 14px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      background:
        radial-gradient(1200px 500px at 10% -10%, rgba(109,94,252,.30), transparent 55%),
        radial-gradient(800px 420px at 95% 10%, rgba(22,184,255,.26), transparent 55%),
        radial-gradient(780px 420px at 65% 85%, rgba(34,197,94,.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.85) 0%, rgba(255,255,255,.72) 100%);
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow2);
      padding:26px 22px;
      position:relative;
      overflow:hidden;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(135deg, rgba(109,94,252,.25), rgba(22,184,255,.22), rgba(34,197,94,.16));
      opacity:.12;
      filter: blur(10px);
      pointer-events:none;
    }

    .hero-topline{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      position:relative; z-index:1;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-size:12px;
    }
    .pill .dot{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow:0 0 0 6px rgba(109,94,252,.10);
    }

    .hero h1{
      position:relative; z-index:1;
      margin:14px 0 10px;
      font-size:32px;
      line-height:1.15;
      letter-spacing:-.6px;
    }
    .hero p{
      position:relative; z-index:1;
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width:58ch;
    }
    .hero-actions{
      position:relative; z-index:1;
      display:flex; gap:12px; align-items:center;
      margin-top:16px; flex-wrap:wrap;
    }
    .hero-subactions{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .micro{
      display:flex; gap:10px; align-items:flex-start;
      margin-top:14px;
      position:relative; z-index:1;
    }
    .micro .icon{
      width:38px; height:38px; border-radius:14px;
      background: linear-gradient(135deg, rgba(109,94,252,.20), rgba(22,184,255,.18));
      border:1px solid rgba(109,94,252,.24);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 26px rgba(109,94,252,.12);
      flex:0 0 auto;
    }
    .micro .icon svg{width:18px; height:18px}
    .micro b{display:block; font-size:13px; margin-bottom:4px}
    .micro span{display:block; color:var(--muted); font-size:12.5px; line-height:1.55}

    .hero-side{
      display:flex; flex-direction:column; gap:12px;
    }
    .side-panel{
      background: rgba(255,255,255,.80);
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius-lg);
      box-shadow: 0 14px 40px rgba(16,24,40,.08);
      padding:18px 16px;
      overflow:hidden;
      position:relative;
    }
    .side-panel::after{
      content:"";
      position:absolute;
      right:-60px; top:-80px;
      width:240px; height:240px;
      background: radial-gradient(circle at 30% 30%, rgba(22,184,255,.35), rgba(109,94,252,.18) 40%, transparent 70%);
      pointer-events:none;
      transform: rotate(10deg);
      opacity:.85;
    }
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      position:relative; z-index:1;
    }
    .side-title b{font-size:14px}
    .badge{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      background: linear-gradient(135deg, rgba(109,94,252,.16), rgba(22,184,255,.16));
      border:1px solid rgba(109,94,252,.22);
      color: var(--muted);
      white-space:nowrap;
    }
    .data-grid{
      position:relative; z-index:1;
      margin-top:12px;
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap:10px;
    }
    .metric{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(18,24,38,.10);
      border-radius: 14px;
      padding:12px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex; flex-direction:column; gap:6px;
      min-height:86px;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(109,94,252,.26);
    }
    .metric .num{
      font-weight:800;
      letter-spacing:-.6px;
      font-size:18px;
    }
    .metric .lab{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.35;
    }

    .side-list{
      position:relative; z-index:1;
      margin-top:12px;
      display:grid;
      gap:10px;
    }
    .side-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border-radius: 14px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.68);
    }
    .side-item .mark{
      width:28px; height:28px; border-radius:12px;
      background: linear-gradient(135deg, rgba(34,197,94,.18), rgba(22,184,255,.14));
      border:1px solid rgba(34,197,94,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .side-item .mark svg{width:15px; height:15px}
    .side-item b{font-size:13px; display:block; margin-bottom:3px}
    .side-item span{font-size:12.5px; color:var(--muted); line-height:1.5}

    .section{
      padding: 22px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:58ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:12px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap:12px;
    }

    .card{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius-lg);
      padding:16px 15px;
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(16,24,40,.10);
      border-color: rgba(109,94,252,.24);
    }
    .card h3{
      margin:10px 0 6px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.65;
    }
    .card .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      background: linear-gradient(135deg, rgba(109,94,252,.14), rgba(22,184,255,.12));
      border:1px solid rgba(109,94,252,.18);
      color:var(--muted);
      white-space:nowrap;
    }
    .icon-box{
      width:44px; height:44px;
      border-radius:16px;
      background: linear-gradient(135deg, rgba(109,94,252,.18), rgba(22,184,255,.14));
      border:1px solid rgba(109,94,252,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 18px 34px rgba(109,94,252,.10);
      flex:0 0 auto;
    }
    .icon-box svg{width:20px; height:20px}

    .steps{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:start;
    }
    .step-list{
      display:grid;
      gap:10px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px 14px;
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
    }
    .step .n{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(22,184,255,.18), rgba(109,94,252,.18));
      border:1px solid rgba(22,184,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:800;
      flex:0 0 auto;
    }
    .step b{font-size:14px}
    .step span{display:block; margin-top:4px; color:var(--muted); font-size:13px; line-height:1.6}

    .workflow{
      padding:16px 15px;
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      overflow:hidden;
      position:relative;
    }
    .workflow::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(500px 240px at 20% 10%, rgba(109,94,252,.26), transparent 58%),
        radial-gradient(540px 240px at 90% 20%, rgba(22,184,255,.22), transparent 56%);
      opacity:.55;
      pointer-events:none;
    }
    .workflow .inner{position:relative; z-index:1}
    .workflow h3{margin:0 0 8px; font-size:15px}
    .workflow p{margin:0 0 12px; color:var(--muted); font-size:13.2px; line-height:1.65}
    .tag-row{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .tag{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-size:12.5px;
      transition: transform .18s ease, border-color .18s ease;
      user-select:none;
    }
    .tag:hover{transform: translateY(-1px); border-color: rgba(109,94,252,.24)}

    .compare{
      overflow:hidden;
    }
    .table-wrap{
      overflow:auto;
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width:760px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(18,24,38,.08);
      text-align:left;
      font-size:13.2px;
      vertical-align:middle;
      white-space:nowrap;
    }
    th{
      background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(22,184,255,.10));
      color:var(--text);
      font-weight:800;
      border-bottom:1px solid rgba(18,24,38,.10);
    }
    tr:last-child td{border-bottom:none}
    .yes{
      color:#0f766e;
      font-weight:800;
    }
    .maybe{
      color:#b45309;
      font-weight:800;
    }
    .no{
      color:#b91c1c;
      font-weight:800;
    }
    .score-box{
      display:flex; gap:12px; align-items:center; justify-content:space-between;
      margin-top:10px;
      flex-wrap:wrap;
    }
    .stars{
      display:flex; align-items:center; gap:8px;
      font-weight:900;
    }
    .star-row svg{width:18px; height:18px; fill: #f59e0b}
    .score{
      display:flex; align-items:baseline; gap:8px;
      background: rgba(255,255,255,.70);
      border:1px solid rgba(18,24,38,.10);
      border-radius: 16px;
      padding:10px 12px;
    }
    .score b{font-size:22px; letter-spacing:-.6px}
    .score span{color:var(--muted); font-size:12.8px}

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .faq-item{
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      overflow:hidden;
    }
    details{
      border-top:1px solid rgba(18,24,38,.08);
    }
    details:first-child{border-top:none}
    details > summary{
      list-style:none;
      cursor:pointer;
      padding:14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
      color: var(--text);
    }
    details > summary::-webkit-details-marker{display:none}
    .q{
      font-weight:800;
      font-size:13.8px;
      line-height:1.5;
    }
    .chev{
      width:28px; height:28px; border-radius:12px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.65);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
      margin-top:-2px;
    }
    details[open] .chev{
      transform: rotate(180deg);
      border-color: rgba(109,94,252,.24);
      background: linear-gradient(135deg, rgba(109,94,252,.14), rgba(22,184,255,.12));
    }
    details .a{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.7;
    }
    .faq-note{
      margin-top:10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:12px;
    }
    .review{
      padding:16px 15px;
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      display:flex; flex-direction:column; gap:10px;
      min-height:210px;
      position:relative;
      overflow:hidden;
    }
    .review::after{
      content:"";
      position:absolute; inset:auto -80px -120px auto;
      width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(109,94,252,.20), rgba(22,184,255,.12) 40%, transparent 70%);
      pointer-events:none;
      transform: rotate(-12deg);
    }
    .review .head{
      position:relative; z-index:1;
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      background: linear-gradient(135deg, rgba(109,94,252,.18), rgba(22,184,255,.14));
      border:1px solid rgba(109,94,252,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      letter-spacing:-.2px;
    }
    .who b{font-size:13.6px; display:block}
    .who span{font-size:12.5px; color:var(--muted); display:block; margin-top:2px}
    .review .text{
      position:relative; z-index:1;
      color:var(--muted);
      font-size:13.3px;
      line-height:1.75;
      margin:0;
    }
    .review .foot{
      position:relative; z-index:1;
      display:flex; align-items:center; justify-content:space-between; gap:10px; margin-top:auto;
    }
    .quote{
      font-size:12.5px; color:var(--muted2);
      border:1px dashed rgba(18,24,38,.16);
      padding:8px 10px;
      border-radius: 14px;
      background: rgba(255,255,255,.58);
      white-space:nowrap;
    }

    .portfolio{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap:12px;
      align-items:stretch;
    }
    .case{
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:240px;
    }
    .case .img{
      padding:0;
      background: linear-gradient(135deg, rgba(109,94,252,.10), rgba(22,184,255,.08));
      border-bottom:1px solid rgba(18,24,38,.08);
    }
    .case img{
      width:100%; height:auto; display:block;
      object-fit:cover;
      aspect-ratio: 16 / 10;
    }
    .case .body{
      padding:14px 14px 16px;
      display:flex; flex-direction:column; gap:10px;
      flex:1;
    }
    .case .meta{
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .case .desc{
      margin:0; color:var(--muted); font-size:13.2px; line-height:1.65;
      flex:1;
    }
    .case .actions{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }
    .link-btn{
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.72);
      font-size:13px;
      color:var(--text);
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
    }
    .link-btn:hover{
      transform: translateY(-1px);
      border-color: rgba(109,94,252,.26);
      background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(22,184,255,.10));
    }
    .muted-small{font-size:12.6px; color:var(--muted)}

    .article-list{
      display:grid;
      gap:10px;
    }
    .article{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:14px 14px;
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(16,24,40,.10);
      border-color: rgba(109,94,252,.24);
    }
    .article .left{
      display:flex; flex-direction:column; gap:6px; min-width:0;
    }
    .article .t{
      font-weight:900; font-size:14px;
      white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
      max-width:100%;
    }
    .article .s{
      color:var(--muted);
      font-size:13.1px;
      line-height:1.6;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .article .right{
      flex:0 0 auto;
      display:flex; flex-direction:column; align-items:flex-end; gap:10px;
    }
    .article time{color:var(--muted2); font-size:12.5px}
    .article .go{
      width:40px; height:40px;
      border-radius:16px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
    }
    .article .go svg{width:18px; height:18px}

    .timeline{
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.80);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      padding:14px 14px;
    }
    .tl-item{
      display:flex; gap:12px; padding:12px 0;
      border-top:1px solid rgba(18,24,38,.08);
    }
    .tl-item:first-child{border-top:none; padding-top:0}
    .tl-left{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(18,24,38,.10);
      background: linear-gradient(135deg, rgba(109,94,252,.14), rgba(22,184,255,.10));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .tl-left svg{width:18px; height:18px}
    .tl-body b{display:block; font-size:13.6px}
    .tl-body span{display:block; margin-top:4px; color:var(--muted); font-size:13.1px; line-height:1.6}

    .form-card{
      border-radius: var(--radius-lg);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 28px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .form-inner{
      padding:16px 14px;
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .form-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      flex-wrap:wrap;
    }
    .form-head b{font-size:15px}
    .form-head span{display:block; margin-top:6px; color:var(--muted); font-size:13.2px; line-height:1.6; max-width:70ch}
    form{
      margin:0;
    }
    .field-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap:10px;
    }
    label{
      display:block;
      font-size:12.5px;
      color:var(--muted);
      margin:0 0 6px;
    }
    input, select, textarea{
      width:100%;
      padding:11px 12px;
      border-radius: 14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.78);
      color: var(--text);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
      font-size:14px;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(109,94,252,.35);
      box-shadow: 0 0 0 5px rgba(109,94,252,.14);
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top:6px;
    }
    .hint{
      color:var(--muted2);
      font-size:12.6px;
      line-height:1.6;
      max-width:60ch;
    }

    .partners{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:stretch;
    }
    .token-box{
      padding:16px 14px;
    }
    .price-row{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:10px;
      margin-top:12px;
    }
    .price{
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      border-radius: 16px;
      padding:12px 12px;
      min-height:98px;
      display:flex; flex-direction:column; justify-content:space-between;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .price:hover{transform: translateY(-2px); border-color: rgba(109,94,252,.24); box-shadow: 0 18px 44px rgba(16,24,40,.10)}
    .price b{font-size:14px}
    .price .v{
      font-weight:1000; letter-spacing:-.6px;
      font-size:20px;
      margin-top:8px;
    }
    .price .m{color:var(--muted); font-size:12.8px; margin-top:6px}

    .platform-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .platform-card{
      padding:16px 14px;
    }
    .model-tags{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:10px;
    }
    .model{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-size:12.5px;
      white-space:nowrap;
    }
    .model.highlight{
      border-color: rgba(109,94,252,.24);
      background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(22,184,255,.10));
      color: #2d2f49;
    }

    .network{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:12px;
      align-items:stretch;
    }
    .net{
      padding:16px 14px;
    }
    .net .line{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-top:10px;
      padding-top:10px;
      border-top:1px solid rgba(18,24,38,.08);
    }
    .net .line b{font-size:13.5px}
    .net .line span{color:var(--muted); font-size:12.8px}

    .help-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .help-links a{
      padding:10px 12px;
      border-radius: 14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.72);
      color: var(--text);
      font-size:13px;
      display:inline-flex; align-items:center; gap:8px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
    }
    .help-links a:hover{transform: translateY(-1px); border-color: rgba(109,94,252,.26); background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(22,184,255,.10))}

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:10px;
    }
    .cloud{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.70);
      color: var(--muted);
      font-size:12.5px;
      transform: translateZ(0);
      transition: transform .18s ease, border-color .18s ease;
    }
    .cloud:hover{transform: translateY(-1px); border-color: rgba(109,94,252,.24)}

    footer{
      background: rgba(255,255,255,.80);
      border-top:1px solid rgba(18,24,38,.10);
      margin-top:12px;
    }
    .footer-inner{
      padding:18px 0;
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .footer-left b{display:block; font-size:14px; margin-bottom:6px}
    .footer-left p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .friend{
      margin-top:10px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .friend a{
      padding:9px 10px;
      border-radius: 14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.72);
      color: var(--text);
      font-size:13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .friend a:hover{transform: translateY(-1px); border-color: rgba(109,94,252,.26); background: linear-gradient(135deg, rgba(109,94,252,.12), rgba(22,184,255,.10))}
    .footer-right{
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
    }
    .copy{
      color:var(--muted2);
      font-size:12.6px;
      line-height:1.6;
      text-align:right;
    }
    .foot-actions{
      display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end;
    }

    .toast{
      position:fixed;
      left:50%;
      transform: translateX(-50%);
      bottom:86px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(18,24,38,.12);
      border-radius: 16px;
      padding:12px 14px;
      box-shadow: var(--shadow);
      color: var(--text);
      display:none;
      z-index:2000;
      max-width:min(560px, calc(100vw - 24px));
    }
    .toast.show{display:block; animation: toastIn .25s ease-out}
    @keyframes toastIn{
      from{opacity:0; transform: translateX(-50%) translateY(8px)}
      to{opacity:1; transform: translateX(-50%) translateY(0)}
    }

    .float-bar{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:2001;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 44px rgba(16,24,40,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      user-select:none;
    }
    .float-btn:hover{transform: translateY(-2px); border-color: rgba(109,94,252,.26); background: linear-gradient(135deg, rgba(109,94,252,.10), rgba(22,184,255,.08))}
    .float-btn svg{width:20px; height:20px}
    .qr-pop{
      width:208px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(18,24,38,.12);
      border-radius: 18px;
      box-shadow: var(--shadow);
      overflow:hidden;
      display:none;
    }
    .qr-pop.show{display:block; animation: popIn .2s ease-out}
    @keyframes popIn{
      from{opacity:0; transform: translateY(8px)}
      to{opacity:1; transform: translateY(0)}
    }
    .qr-pop .top{
      padding:12px 12px 10px;
      border-bottom:1px solid rgba(18,24,38,.08);
      display:flex; justify-content:space-between; align-items:center; gap:10px;
    }
    .qr-pop .top b{font-size:13.2px}
    .qr-pop .top button{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.78);
      cursor:pointer;
    }
    .qr-pop .img{
      padding:10px 12px 12px;
      display:flex; justify-content:center;
    }
    .qr-pop img{
      width:160px; height:auto; border-radius:14px; border:1px solid rgba(18,24,38,.10);
      background:#fff;
    }
    .qr-pop .tip{
      padding:0 12px 12px;
      color:var(--muted);
      font-size:12.6px;
      line-height:1.6;
    }

    .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; }
      .steps{grid-template-columns: 1fr}
      .faq-grid{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr; }
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .partners{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .portfolio{grid-template-columns: 1fr}
      .footer-inner{grid-template-columns: 1fr; }
      .footer-right{align-items:flex-start}
      .copy{text-align:left}
      .nav-links{display:none}
      .nav-cta .btn.btn-ghost{display:none}
      .burger{display:flex}
      .mobile-panel{display:block}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .reveal{transition:none}
      details[open] .chev{transition:none}
      .card, .metric, .price, .article{transition:none}
      header{backdrop-filter:none}
    }