:root{
      --bg0:#070712;
      --bg1:#0b0820;
      --card:rgba(255,255,255,.06);
      --card2:rgba(255,255,255,.08);
      --stroke:rgba(255,255,255,.14);
      --stroke2:rgba(255,255,255,.10);
      --text:#e9e7ff;
      --muted:rgba(233,231,255,.74);
      --muted2:rgba(233,231,255,.58);
      --accent:#ff4fd8;
      --accent2:#8b5cff;
      --accent3:#2ef2ff;
      --good:#36f3a8;
      --warn:#ffd26a;
      --shadow:0 14px 40px rgba(0,0,0,.45);
      --shadow2:0 10px 30px rgba(0,0,0,.35);
      --radius:18px;
      --radius2:14px;
      --max:1180px;
      --pad:16px;
      --ring: 0 0 0 4px rgba(255,79,216,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      background:
        radial-gradient(900px 500px at 8% -10%, rgba(255,79,216,.25), transparent 55%),
        radial-gradient(700px 420px at 70% 0%, rgba(139,92,255,.25), transparent 60%),
        radial-gradient(820px 520px at 90% 40%, rgba(46,242,255,.12), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 55%, #050512);
      color:var(--text);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    button, input, select, textarea{font:inherit}
    .container{max-width:var(--max); margin:0 auto; padding:0 var(--pad)}
    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px; width:auto; height:auto; padding:10px 12px; background:#111; border:1px solid var(--stroke); border-radius:12px; z-index:9999;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: linear-gradient(180deg, rgba(7,7,18,.84), rgba(7,7,18,.55));
      border-bottom:1px solid rgba(255,255,255,.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: 200px}
    .ai-page-logo{width:44px; height:44px; object-fit:contain; filter: drop-shadow(0 8px 20px rgba(255,79,216,.2));}
    .brand-txt{display:flex; flex-direction:column; line-height:1.05}
    .brand-txt strong{font-size:14px; letter-spacing:.2px}
    .brand-txt span{font-size:12px; color:var(--muted2)}
    nav{display:flex; align-items:center; gap:10px}
    .nav-links{display:none}
    .nav-links a{
      padding:8px 10px;
      border-radius:12px;
      color:var(--muted);
      border:1px solid transparent;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      white-space:nowrap;
      font-size:13px;
    }
    .nav-links a:hover{transform: translateY(-1px); border-color: rgba(255,255,255,.14); background: rgba(255,255,255,.05); color: var(--text);}
    .nav-cta{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color:var(--text);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
      font-weight:650;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); border-color: rgba(255,255,255,.22); box-shadow: 0 10px 26px rgba(0,0,0,.35);}
    .btn:active{transform: translateY(0px)}
    .btn-primary{
      border-color: rgba(255,79,216,.45);
      background: linear-gradient(135deg, rgba(255,79,216,.22), rgba(139,92,255,.18));
      box-shadow: 0 14px 40px rgba(255,79,216,.12);
    }
    .btn-primary:hover{border-color: rgba(255,79,216,.6); box-shadow: 0 18px 54px rgba(255,79,216,.16);}
    .btn-ghost{
      background: rgba(255,255,255,.04);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
      background: conic-gradient(from 180deg, var(--accent), var(--accent2), var(--accent3), var(--accent));
      border-radius:6px;
      filter: blur(.0px);
      box-shadow: 0 10px 22px rgba(255,79,216,.14);
      position:relative;
      overflow:hidden;
    }
    .icon:after{
      content:"";
      position:absolute; inset:-30% -20%;
      background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.35), transparent 50%);
      transform: rotate(20deg);
      opacity:.7;
    }
    .burger{display:inline-flex; align-items:center; gap:10px; padding:10px 12px}
    .burger span{font-size:13px; color:var(--muted); font-weight:650}
    .burger i{
      width:18px; height:12px; display:inline-block; position:relative;
    }
    .burger i:before,.burger i:after, .burger i b{
      content:""; position:absolute; left:0; right:0; height:2px; border-radius:2px; background: rgba(233,231,255,.9);
    }
    .burger i:before{top:0}
    .burger i b{top:5px; opacity:.85}
    .burger i:after{bottom:0; opacity:.7}

    .mobile-panel{
      display:none;
      padding:12px 0 16px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .mobile-panel.open{display:block}
    .mobile-links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .mobile-links a{
      padding:10px 12px;
      background: rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.12);
      border-radius:14px;
      font-size:13px;
      color:var(--muted);
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
    }
    .mobile-links a:hover{transform: translateY(-1px); border-color: rgba(255,79,216,.35); color: var(--text); background: rgba(255,79,216,.08);}

    .hero{
      padding:28px 0 18px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid; grid-template-columns: 1.2fr .8fr; gap:16px; align-items:start;
    }
    .hero-card{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(700px 260px at 0% 0%, rgba(255,79,216,.18), transparent 55%),
        radial-gradient(520px 240px at 70% 10%, rgba(139,92,255,.18), transparent 56%),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      box-shadow: var(--shadow);
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(90deg, rgba(255,79,216,.0), rgba(255,79,216,.18), rgba(139,92,255,.0));
      transform: translateX(-40%) rotate(8deg);
      opacity:.55;
      pointer-events:none;
      animation: sweep 7s ease-in-out infinite;
    }
    @keyframes sweep{
      0%,100%{transform: translateX(-55%) rotate(8deg); opacity:.35}
      50%{transform: translateX(20%) rotate(8deg); opacity:.65}
    }
    .hero-top{
      display:flex; flex-direction:column; gap:10px; position:relative; z-index:1;
    }
    .pill-row{display:flex; flex-wrap:wrap; gap:10px; align-items:center}
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      color: var(--muted);
      font-size:12.5px;
      font-weight:650;
    }
    .dot{
      width:8px; height:8px; border-radius:50%;
      background: linear-gradient(180deg, var(--accent), var(--accent2));
      box-shadow: 0 0 0 4px rgba(255,79,216,.14);
    }
    h1{
      margin:6px 0 0;
      font-size: clamp(22px, 3.1vw, 38px);
      letter-spacing:-.6px;
      line-height:1.12;
    }
    .lead{
      color: var(--muted);
      font-size: 14.5px;
      line-height:1.7;
      margin: 0;
      max-width: 64ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin-top:8px;
    }
    .helper{
      display:flex; gap:10px; align-items:flex-start; padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      margin-top:10px;
      position:relative; z-index:1;
    }
    .helper b{display:block; font-size:13px}
    .helper p{margin:4px 0 0; color:var(--muted2); font-size:12.6px; line-height:1.55}
    .kbd{
      width:38px; height:38px; border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: linear-gradient(135deg, rgba(255,79,216,.18), rgba(139,92,255,.14));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 30px rgba(255,79,216,.10);
      flex:0 0 auto;
    }
    .kbd svg{width:18px; height:18px; opacity:.95}

    .side-panel{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      box-shadow: var(--shadow2);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .side-panel:after{
      content:"";
      position:absolute;
      width:420px; height:420px;
      right:-260px; top:-250px;
      background: radial-gradient(circle at center, rgba(255,79,216,.22), transparent 60%);
      pointer-events:none;
    }
    .side-title{display:flex; align-items:center; justify-content:space-between; gap:10px; position:relative; z-index:1}
    .side-title h2{margin:0; font-size:14px; letter-spacing:.2px}
    .spark{
      width:10px; height:10px; border-radius:50%;
      background: var(--accent3);
      box-shadow: 0 0 0 6px rgba(46,242,255,.14);
      flex:0 0 auto;
    }
    .metric-grid{
      margin-top:12px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      position:relative; z-index:1;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      padding:12px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      border-color: rgba(255,79,216,.32);
      background: rgba(255,79,216,.08);
    }
    .metric .num{
      font-size:18px;
      font-weight:820;
      letter-spacing:-.4px;
    }
    .metric .lab{
      margin-top:6px;
      color: var(--muted2);
      font-size:12.5px;
      line-height:1.4;
    }
    .chips{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px; position:relative; z-index:1;
    }
    .chip{
      border-radius:999px;
      padding:9px 10px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      color: var(--muted);
      font-size:12.5px;
      font-weight:650;
    }

    main{padding: 6px 0 40px}
    .section{
      padding: 18px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px; margin-bottom:12px;
    }
    .section-head h2{
      margin:0;
      font-size: clamp(16px, 2.1vw, 22px);
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color: var(--muted2);
      font-size: 13.5px;
      line-height:1.6;
      max-width: 60ch;
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:12px;
    }
    .card{
      border-radius: var(--radius2);
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      box-shadow: 0 10px 24px rgba(0,0,0,.22);
      padding:14px;
    }
    .card h3{margin:0; font-size:14.5px; letter-spacing:.2px}
    .card p{margin:8px 0 0; color:var(--muted2); font-size:13px; line-height:1.7}
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      color: var(--muted);
      font-size:12.5px;
      font-weight:650;
    }
    .badge svg{width:16px; height:16px}
    .card:hover{border-color: rgba(255,79,216,.25)}
    .fade-in{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-in.show{
      opacity:1;
      transform: translateY(0);
    }

    .steps{
      display:grid; grid-template-columns: repeat(4, 1fr); gap:12px;
    }
    .step{
      position:relative;
      overflow:hidden;
    }
    .step:before{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(260px 140px at 20% 0%, rgba(255,79,216,.16), transparent 60%);
      opacity:.8;
      pointer-events:none;
    }
    .step .toprow{display:flex; align-items:center; justify-content:space-between; gap:10px; position:relative; z-index:1}
    .step .idx{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      display:flex; align-items:center; justify-content:center;
      font-weight:850;
      letter-spacing:-.3px;
    }
    .step .tag{
      font-size:12px; color: var(--muted); font-weight:700;
      border:1px solid rgba(255,255,255,.12);
      padding:7px 9px;
      border-radius:999px;
      background: rgba(255,255,255,.04);
    }
    .step ul{
      margin:10px 0 0; padding:0; list-style:none; position:relative; z-index:1;
      display:flex; flex-direction:column; gap:10px;
    }
    .step li{
      display:flex; gap:10px; align-items:flex-start;
      color: var(--muted2);
      font-size:13px;
      line-height:1.6;
      min-height: 44px;
    }
    .check{
      width:18px; height:18px; border-radius:8px;
      background: linear-gradient(180deg, rgba(255,79,216,.25), rgba(139,92,255,.18));
      border:1px solid rgba(255,255,255,.14);
      display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto;
      margin-top:1px;
    }
    .check svg{width:12px; height:12px; opacity:.95}

    .compare-wrap{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(800px 260px at 0% 0%, rgba(255,79,216,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      padding:16px;
      box-shadow: var(--shadow2);
    }
    .rating-row{
      display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:12px;
    }
    .rating-left{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
      padding:10px 12px; border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
    }
    .star{
      width:18px; height:18px; display:inline-block;
      background: conic-gradient(from 180deg, var(--accent), var(--accent2));
      clip-path: polygon(50% 0%, 62% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 71%, 21% 91%, 32% 57%, 2% 35%, 38% 35%);
      filter: drop-shadow(0 10px 18px rgba(255,79,216,.18));
      opacity:.95;
    }
    .score{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .score b{font-size:22px; letter-spacing:-.5px}
    .score span{color:var(--muted2); font-size:12.8px; margin-top:6px}
    .table-wrap{
      overflow:auto;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width: 760px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(255,255,255,.08);
      text-align:left;
      vertical-align:top;
      font-size:13.2px;
      line-height:1.6;
      color: var(--muted);
    }
    th{
      color: rgba(233,231,255,.92);
      font-weight:800;
      background: rgba(255,255,255,.03);
      position:sticky; top:0;
      z-index:1;
    }
    td strong{color: rgba(233,231,255,.95)}
    .cell-good{color: rgba(54,243,168,.95); font-weight:800}
    .cell-warn{color: rgba(255,210,106,.95); font-weight:800}
    .cell-mark{
      display:inline-flex; align-items:center; gap:8px;
    }
    .mark-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(180deg, rgba(54,243,168,.95), rgba(46,242,255,.65));
      box-shadow: 0 0 0 5px rgba(54,243,168,.12);
    }
    .mark-dot2{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(180deg, rgba(255,79,216,.95), rgba(139,92,255,.65));
      box-shadow: 0 0 0 5px rgba(255,79,216,.12);
    }

    .two-col{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
      align-items:start;
    }
    .list{
      margin:10px 0 0; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color: var(--muted2);
      font-size:13.3px;
      line-height:1.6;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
    }
    .list .bullet{
      width:22px; height:22px; border-radius:10px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .list .bullet i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(180deg, var(--accent), var(--accent2));
      box-shadow: 0 0 0 5px rgba(255,79,216,.14);
    }

    .network-grid{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:12px;
    }
    .node{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      position:relative;
      overflow:hidden;
    }
    .node:after{
      content:"";
      position:absolute; inset:auto -30% -50% auto;
      width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(139,92,255,.25), transparent 60%);
      pointer-events:none;
    }
    .node h3{margin:0; font-size:14.6px; position:relative; z-index:1}
    .node p{margin:8px 0 0; color:var(--muted2); font-size:13px; line-height:1.7; position:relative; z-index:1}
    .node .mini{
      margin-top:12px; display:flex; flex-wrap:wrap; gap:8px; position:relative; z-index:1;
    }
    .mini span{
      font-size:12px; font-weight:700;
      color: var(--muted);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
    }

    .scenarios{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .scenario-card{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      overflow:hidden;
      position:relative;
    }
    .scenario-card:before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(480px 240px at 0% 0%, rgba(46,242,255,.14), transparent 58%),
        radial-gradient(360px 200px at 80% 10%, rgba(255,79,216,.14), transparent 58%);
      opacity:.7;
      pointer-events:none;
    }
    .scenario-card .inner{position:relative; z-index:1}
    .scenario-card h3{margin:0; font-size:14.8px}
    .scenario-card p{margin:8px 0 0; color:var(--muted2); font-size:13.2px; line-height:1.7}
    .scenario-tags{margin-top:12px; display:flex; flex-wrap:wrap; gap:10px}
    .tag{
      border-radius:999px;
      padding:9px 10px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
      font-size:12.6px;
      color: var(--muted);
      font-weight:750;
    }

    .cards-2{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .press-card{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
    }
    .press-card h3{margin:0; font-size:14.7px}
    .press-card .meta{margin-top:8px; color:var(--muted2); font-size:12.6px; display:flex; gap:10px; flex-wrap:wrap}
    .press-card p{margin:10px 0 0; color:var(--muted2); font-size:13.2px; line-height:1.7}
    .press-card .row{margin-top:12px; display:flex; flex-wrap:wrap; gap:10px; align-items:center; justify-content:space-between}
    .link-btn{
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px; border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      color: rgba(233,231,255,.92);
      font-weight:750;
      font-size:13px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
    }
    .link-btn:hover{transform: translateY(-1px); border-color: rgba(255,79,216,.35); background: rgba(255,79,216,.08)}
    .arrow{
      width:18px; height:18px; border-radius:10px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.04);
      display:flex; align-items:center; justify-content:center;
    }
    .arrow svg{width:12px; height:12px}
    .tagline{
      font-size:12.6px; color: var(--muted2);
      display:flex; align-items:center; gap:8px; flex-wrap:wrap;
    }
    .tagline i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(180deg, rgba(54,243,168,.95), rgba(46,242,255,.65));
      box-shadow: 0 0 0 5px rgba(54,243,168,.12);
    }

    .faq{
      display:flex; flex-direction:column; gap:10px;
    }
    details{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      padding:12px 12px;
      transition: border-color .18s ease, transform .18s ease, background .18s ease;
    }
    details:hover{border-color: rgba(255,79,216,.25)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-weight:820;
      letter-spacing:.1px;
      font-size:13.8px;
      color: rgba(233,231,255,.94);
      line-height:1.45;
      padding:6px 2px;
    }
    .chev{
      width:28px; height:28px; border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.04);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transform: rotate(0deg);
      transition: transform .18s ease, border-color .18s ease;
      margin-top:2px;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(255,79,216,.35)}
    .answer{
      margin-top:10px;
      color: var(--muted2);
      font-size:13.3px;
      line-height:1.75;
      padding:0 2px 6px;
    }

    .review-grid{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:12px;
    }
    .review{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      position:relative;
      overflow:hidden;
    }
    .review:after{
      content:"";
      position:absolute; inset:auto -20% -40% auto;
      width:240px; height:240px;
      background: radial-gradient(circle at center, rgba(255,79,216,.16), transparent 60%);
      pointer-events:none;
    }
    .review .inner{position:relative; z-index:1}
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      border:1px solid rgba(255,255,255,.14);
      background: linear-gradient(135deg, rgba(255,79,216,.18), rgba(139,92,255,.14));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      letter-spacing:-.4px;
    }
    .who b{font-size:13.6px}
    .who span{display:block; color:var(--muted2); font-size:12.4px; margin-top:4px}
    .review p{margin:0; color:var(--muted2); font-size:13.2px; line-height:1.75}
    .review .deal{
      margin-top:12px; display:flex; flex-wrap:wrap; gap:8px;
    }
    .deal em{
      font-style:normal;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
      color: var(--muted);
      font-weight:720;
      font-size:12.3px;
    }

    .case-grid{
      display:grid; grid-template-columns: 1.05fr .95fr; gap:12px; align-items:start;
    }
    .case-left{
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(900px 260px at 0% 0%, rgba(255,79,216,.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow: var(--shadow2);
    }
    .case-left .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .case-left h3{margin:0; font-size:15px}
    .case-left .note{color:var(--muted2); font-size:13px; line-height:1.7; margin:10px 0 0}
    .steps-mini{
      margin-top:12px;
      display:grid; grid-template-columns: repeat(2, 1fr); gap:10px;
    }
    .mini-card{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
    }
    .mini-card b{display:block; font-size:13.6px}
    .mini-card span{display:block; margin-top:6px; color:var(--muted2); font-size:12.6px; line-height:1.6}
    .case-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .img-block{
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      overflow:hidden;
    }
    .img-row{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:10px;
    }
    figure{margin:0}
    .media{
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      padding:10px;
    }
    .media img{width:100%; height:auto; display:block; object-fit:contain}
    .img-block h3{margin:0; font-size:15px}
    .img-block p{margin:10px 0 0; color:var(--muted2); font-size:13.1px; line-height:1.7}
    .img-block .foot{margin-top:12px; display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap; align-items:center}
    .foot .small{color:var(--muted2); font-size:12.4px}

    .article-list{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .article{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .article:hover{transform: translateY(-2px); border-color: rgba(255,79,216,.25); background: rgba(255,79,216,.08)}
    .article .top{
      display:flex; justify-content:space-between; gap:10px; align-items:center;
    }
    .article .k{
      font-size:12.2px; color: var(--muted2);
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
      font-weight:720;
      white-space:nowrap;
    }
    .article b{
      display:block;
      margin-top:10px;
      font-size:14.6px;
      letter-spacing:.1px;
      line-height:1.5;
    }
    .article .desc{margin:8px 0 0; color:var(--muted2); font-size:13.1px; line-height:1.7}
    .article .act{
      margin-top:12px; display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap;
    }

    form{margin-top:12px}
    .form-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .field{display:flex; flex-direction:column; gap:8px}
    label{
      font-size:12.6px;
      color: var(--muted2);
      font-weight:760;
      letter-spacing:.1px;
    }
    input, select, textarea{
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.04);
      padding:12px 12px;
      color: var(--text);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(255,79,216,.45);
      box-shadow: var(--ring);
      background: rgba(255,255,255,.05);
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top:12px;
    }
    .form-help{
      color: var(--muted2);
      font-size:12.6px;
      line-height:1.6;
      max-width: 60ch;
    }

    .footer{
      border-top:1px solid rgba(255,255,255,.08);
      padding: 18px 0 26px;
      background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.25));
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr .8fr; gap:12px; align-items:start;
    }
    .footer-card{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      padding:14px;
    }
    .footer-card h3{margin:0; font-size:14.8px}
    .footer-card p{margin:10px 0 0; color:var(--muted2); font-size:13.1px; line-height:1.7}
    .footer-links{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .footer-links a{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
      color: var(--muted);
      font-weight:720;
      font-size:12.6px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
    }
    .footer-links a:hover{transform: translateY(-1px); border-color: rgba(46,242,255,.25); background: rgba(46,242,255,.08); color: rgba(233,231,255,.95)}
    .bottom-row{
      margin-top:12px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color: var(--muted2);
      font-size:12.6px;
    }

    .float-kefu{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:60;
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:10px;
    }
    .kefu-tip{
      border-radius:999px;
      padding:10px 12px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(10,10,20,.55);
      backdrop-filter: blur(10px);
      color: var(--muted);
      font-weight:760;
      font-size:12.6px;
      max-width: 240px;
      box-shadow: 0 14px 40px rgba(0,0,0,.38);
      transform: translateY(0);
      animation: floatTip 6s ease-in-out infinite;
    }
    @keyframes floatTip{
      0%,100%{transform: translateY(0)}
      50%{transform: translateY(-6px)}
    }
    .kefu-btn{
      width:54px; height:54px;
      border-radius:20px;
      border:1px solid rgba(255,79,216,.45);
      background: radial-gradient(circle at 30% 20%, rgba(255,255,255,.12), transparent 45%),
        linear-gradient(135deg, rgba(255,79,216,.25), rgba(139,92,255,.20));
      box-shadow: 0 18px 60px rgba(255,79,216,.16);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .kefu-btn:hover{transform: translateY(-2px); border-color: rgba(255,79,216,.6); box-shadow: 0 22px 72px rgba(255,79,216,.2)}
    .kefu-btn svg{width:22px; height:22px}
    .kefu-panel{
      width:min(330px, calc(100vw - 28px));
      border-radius: 20px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(10,10,20,.62);
      backdrop-filter: blur(12px);
      box-shadow: 0 24px 80px rgba(0,0,0,.5);
      padding:12px;
      display:none;
    }
    .kefu-panel.show{display:block}
    .kefu-panel .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .kefu-panel b{font-size:14px; letter-spacing:.1px}
    .close{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, border-color .18s ease;
    }
    .close:hover{transform: translateY(-1px); border-color: rgba(255,79,216,.35)}
    .kefu-body{
      display:flex; gap:12px; align-items:flex-start;
    }
    .kefu-qrcode{
      width:94px; height:94px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
      padding:8px;
      flex:0 0 auto;
    }
    .kefu-qrcode img{width:100%; height:auto; display:block}
    .kefu-body p{
      margin:0;
      color: var(--muted2);
      font-size:12.8px;
      line-height:1.7;
    }
    .kefu-links{
      margin-top:10px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .kefu-links a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.04);
      color: rgba(233,231,255,.92);
      font-weight:750;
      font-size:12.6px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .kefu-links a:hover{transform: translateY(-1px); border-color: rgba(46,242,255,.25); background: rgba(46,242,255,.08)}
    .toast{
      position:fixed;
      left:50%;
      bottom:16px;
      transform: translateX(-50%);
      z-index:80;
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(10,10,20,.68);
      backdrop-filter: blur(10px);
      color: rgba(233,231,255,.95);
      box-shadow: 0 18px 60px rgba(0,0,0,.5);
      display:none;
      max-width: calc(100vw - 28px);
      font-size:13px;
      line-height:1.5;
    }
    .toast.show{display:block; animation: pop .22s ease both;}
    @keyframes pop{from{opacity:0; transform: translateX(-50%) translateY(6px)} to{opacity:1; transform: translateX(-50%) translateY(0)}}

    .backtop{
      position:fixed; right:14px; bottom:82px; z-index:55;
      width:46px; height:46px; border-radius:18px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(10,10,20,.55);
      backdrop-filter: blur(10px);
      color: rgba(233,231,255,.95);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      box-shadow: 0 18px 60px rgba(0,0,0,.45);
      opacity:0; pointer-events:none; transform: translateY(10px);
      transition: opacity .2s ease, transform .2s ease, border-color .2s ease;
    }
    .backtop.show{opacity:1; pointer-events:auto; transform: translateY(0)}
    .backtop:hover{border-color: rgba(255,79,216,.35)}

    .sr-only{
      position:absolute !important;
      width:1px; height:1px;
      padding:0; margin:-1px;
      overflow:hidden; clip:rect(0,0,0,0);
      white-space:nowrap; border:0;
    }

    @media (min-width: 980px){
      .nav-links{display:flex}
      .burger{display:none}
      .mobile-panel{display:none}
    }
    @media (max-width: 979px){
      .hero-grid{grid-template-columns: 1fr; }
      .steps{grid-template-columns: repeat(2, 1fr)}
      .grid-3{grid-template-columns: 1fr}
      .two-col{grid-template-columns: 1fr}
      .network-grid{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .cards-2{grid-template-columns: 1fr}
      .scenarios{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .fade-in{transition:none}
      .hero-card:before{animation:none}
      .kefu-tip{animation:none}
    }