:root{
      --bg0:#fff7fb;
      --bg1:#f6f7ff;
      --panel:#ffffff;
      --text:#14161a;
      --muted:#5a6170;
      --muted2:#71788a;
      --border:rgba(20,22,26,.10);
      --shadow: 0 18px 50px rgba(20,22,26,.10);
      --shadow2: 0 10px 26px rgba(20,22,26,.10);
      --shadow3: 0 6px 16px rgba(20,22,26,.10);
      --brand1:#ff2f7a;
      --brand2:#7c4dff;
      --brand3:#00b3ff;
      --brand4:#00c48a;
      --focus: rgba(124,77,255,.22);
      --radius-xl: 26px;
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-sm: 12px;
      --container: 1160px;
      --padX: 18px;
      --ease: cubic-bezier(.2,.8,.2,1);
      --ring: 0 0 0 4px var(--focus);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 10% 0%, rgba(255,47,122,.18), transparent 60%),
        radial-gradient(900px 520px at 70% -10%, rgba(124,77,255,.20), transparent 62%),
        radial-gradient(820px 520px at 90% 30%, rgba(0,179,255,.14), transparent 60%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--padX);
    }
    .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:#fff; border:1px solid var(--border); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow3);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(20,22,26,.08);
    }
    .nav-wrap{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:12px 0;}
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 210px;
    }
    .ai-page-logo{
      width:46px; height:46px; border-radius:14px;
      object-fit:contain;
      background: rgba(255,255,255,.65);
      padding:6px;
      border:1px solid rgba(20,22,26,.08);
      box-shadow: 0 10px 26px rgba(20,22,26,.08);
    }
    .brand-title{display:flex; flex-direction:column; line-height:1.1}
    .brand-title b{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    nav .nav-links{
      display:flex; gap:16px; align-items:center; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px; color:rgba(20,22,26,.76);
      padding:10px 10px; border-radius:999px;
      border:1px solid transparent;
      transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,255,255,.65);
      border-color: rgba(20,22,26,.10);
      transform: translateY(-1px);
    }
    .nav-actions{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:11px 14px; border-radius:999px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.70);
      color: rgba(20,22,26,.90);
      font-weight:650;
      font-size:13px;
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
      user-select:none;
      -webkit-tap-highlight-color: transparent;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: var(--shadow3); background:#fff; border-color: rgba(20,22,26,.16)}
    .btn:active{transform: translateY(0)}
    .btn-primary{
      border:1px solid rgba(255,255,255,.20);
      background:
        linear-gradient(135deg, rgba(255,47,122,.95), rgba(124,77,255,.92) 55%, rgba(0,179,255,.70));
      color:#fff;
      box-shadow: 0 18px 45px rgba(124,77,255,.22);
    }
    .btn-primary:hover{box-shadow: 0 22px 55px rgba(124,77,255,.28)}
    .btn-ghost{
      background: rgba(255,255,255,.55);
    }
    .icon-dot{
      width:10px; height:10px; border-radius:999px;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.2) 30%), linear-gradient(135deg, var(--brand3), var(--brand1));
      box-shadow: 0 0 0 6px rgba(0,179,255,.12);
    }

    .burger{
      display:none;
      width:44px; height:44px;
      border-radius:12px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      transition: transform .18s var(--ease), background .18s var(--ease);
      -webkit-tap-highlight-color: transparent;
    }
    .burger:hover{transform: translateY(-1px); background:#fff}
    .burger span{
      display:block; width:18px; height:2px; margin:0 auto;
      background: rgba(20,22,26,.85);
      border-radius:2px;
      position:relative;
      top:0;
      transition: transform .22s var(--ease), opacity .22s var(--ease);
    }
    .burger span::before,.burger span::after{
      content:""; position:absolute; left:0; width:18px; height:2px;
      background: rgba(20,22,26,.85);
      border-radius:2px;
      transition: transform .22s var(--ease), top .22s var(--ease), opacity .22s var(--ease);
    }
    .burger span::before{top:-6px}
    .burger span::after{top:6px}
    .burger[data-open="true"] span{opacity:0}
    .burger[data-open="true"] span::before{top:0; transform: rotate(45deg)}
    .burger[data-open="true"] span::after{top:0; transform: rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-panel .mobile-links{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-panel a{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,22,26,.08);
      background: rgba(255,255,255,.66);
      color: rgba(20,22,26,.86);
      font-weight:620;
      font-size:14px;
    }

    main{padding: 18px 0 30px}
    .hero{
      position:relative;
      padding: 26px 0 12px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius-xl);
      background:
        radial-gradient(900px 400px at 20% 0%, rgba(255,47,122,.20), transparent 60%),
        radial-gradient(800px 420px at 90% 20%, rgba(124,77,255,.20), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.56));
      border:1px solid rgba(20,22,26,.10);
      box-shadow: var(--shadow);
      padding: 22px 22px 18px;
      overflow:hidden;
      position:relative;
    }
    .hero-card::after{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(300px 120px at 15% 10%, rgba(255,47,122,.18), transparent 60%),
        radial-gradient(240px 140px at 72% 25%, rgba(0,179,255,.18), transparent 62%),
        linear-gradient(120deg, rgba(255,255,255,.14), rgba(255,255,255,0));
      pointer-events:none;
      opacity:.9;
    }
    .hero-inner{position:relative; z-index:1; display:flex; flex-direction:column; gap:14px}
    .kicker{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.65);
      font-size:12px;
      color: rgba(20,22,26,.82);
      font-weight:650;
    }
    .chip b{font-weight:800}
    .hero h1{
      margin:0;
      font-size: clamp(26px, 3.2vw, 40px);
      letter-spacing: -0.6px;
      line-height:1.18;
    }
    .hero p{
      margin:0;
      color: rgba(20,22,26,.78);
      font-size: 14.5px;
      line-height:1.7;
      max-width: 66ch;
    }
    .hero-cta{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      padding-top: 2px;
    }
    .mini-meta{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      color: rgba(20,22,26,.76);
      font-size:12.5px;
    }
    .mini-meta .dot{
      width:6px; height:6px; border-radius:999px; background: rgba(20,22,26,.35);
    }

    .hero-side{
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,22,26,.10);
      box-shadow: var(--shadow2);
      padding: 18px;
      display:flex; flex-direction:column; gap:14px;
      position:relative; overflow:hidden;
    }
    .hero-side::before{
      content:"";
      position:absolute; left:-120px; top:-140px;
      width: 320px; height:320px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(0,179,255,.35), rgba(124,77,255,.22), transparent 66%);
      filter: blur(0px);
      opacity:.9;
    }
    .hero-side .side-inner{position:relative; z-index:1; display:flex; flex-direction:column; gap:12px}
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .side-title h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .badge{
      padding:7px 10px;
      border-radius:999px;
      background: rgba(20,22,26,.06);
      border:1px solid rgba(20,22,26,.10);
      font-weight:800;
      font-size:12px;
      color: rgba(20,22,26,.82);
      white-space:nowrap;
    }
    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .metric{
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,22,26,.10);
      padding: 12px 12px 10px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .metric::after{
      content:"";
      position:absolute; inset:-1px;
      background: linear-gradient(135deg, rgba(255,47,122,.14), rgba(124,77,255,.10), rgba(0,179,255,.10));
      opacity:0;
      transition: opacity .2s var(--ease);
      pointer-events:none;
    }
    .metric:hover{transform: translateY(-2px); box-shadow: 0 14px 30px rgba(20,22,26,.12)}
    .metric:hover::after{opacity:1}
    .metric b{display:block; font-size:18px; letter-spacing:-.3px}
    .metric span{display:block; margin-top:6px; color: rgba(20,22,26,.66); font-size:12.5px; line-height:1.3}
    .side-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .side-item{
      display:flex; gap:10px; align-items:flex-start;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.68);
    }
    .spark{
      width:26px; height:26px; border-radius:10px;
      background: linear-gradient(135deg, rgba(255,47,122,.22), rgba(124,77,255,.22));
      border: 1px solid rgba(20,22,26,.10);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .spark svg{width:14px; height:14px}
    .side-item b{font-size:13.5px}
    .side-item div{color: rgba(20,22,26,.66); font-size:12.5px; line-height:1.35; margin-top:4px}

    .section{
      padding: 28px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom: 16px;
    }
    .section-head h2{
      margin:0;
      font-size: 20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0; color: rgba(20,22,26,.70);
      font-size: 13.8px; line-height:1.6;
      max-width: 64ch;
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    }
    .card{
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(20,22,26,.10);
      border-radius: var(--radius-lg);
      box-shadow: 0 10px 28px rgba(20,22,26,.06);
      padding: 16px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 50px rgba(20,22,26,.12);
      border-color: rgba(20,22,26,.15);
    }
    .card .card-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .card h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .tag{
      padding:7px 10px;
      border-radius: 999px;
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(20,22,26,.04);
      color: rgba(20,22,26,.80);
      white-space:nowrap;
    }
    .card p{
      margin:0;
      color: rgba(20,22,26,.70);
      font-size: 13.5px;
      line-height: 1.7;
    }
    .icon-badge{
      width:40px; height:40px; border-radius:14px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(20,22,26,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .icon-badge svg{width:20px; height:20px}
    .card ul{
      padding-left: 18px;
      margin: 10px 0 0;
      color: rgba(20,22,26,.70);
      font-size: 13.3px;
      line-height: 1.7;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }
    .list-steps{
      display:flex; flex-direction:column; gap:10px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding: 14px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.68);
      border:1px solid rgba(20,22,26,.10);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .step:hover{transform: translateY(-2px); box-shadow: 0 16px 36px rgba(20,22,26,.12)}
    .step-num{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(255,47,122,.18), rgba(124,77,255,.18));
      border:1px solid rgba(20,22,26,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(20,22,26,.86);
      flex:0 0 auto;
    }
    .step b{display:block; font-size:14.2px}
    .step span{display:block; margin-top:5px; color: rgba(20,22,26,.68); font-size:13.2px; line-height:1.6}

    .compare-wrap{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,22,26,.10);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow2);
      padding: 16px;
      overflow:hidden;
      position:relative;
    }
    .compare-wrap::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(600px 220px at 20% 0%, rgba(255,47,122,.18), transparent 60%),
        radial-gradient(520px 240px at 90% 20%, rgba(0,179,255,.16), transparent 55%),
        linear-gradient(135deg, rgba(255,255,255,.12), transparent 45%);
      pointer-events:none;
      opacity:.9;
    }
    .compare-inner{position:relative; z-index:1}
    .compare-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .rating{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 14px;
      border-radius: 18px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.74);
    }
    .stars{
      width:92px;
      height: 36px;
      background: linear-gradient(90deg, rgba(255,47,122,.95), rgba(124,77,255,.92), rgba(0,179,255,.88));
      -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20'%3E%3Cpath d='M10 1l2.8 6.2L20 8l-4.8 4.2L16.8 19 10 15.7 3.2 19l1.6-6.8L0 8l7.2-.8L10 1z' fill='black'/%3E%3Cpath d='M50 1l2.8 6.2L60 8l-4.8 4.2L56.8 19 50 15.7 43.2 19l1.6-6.8L40 8l7.2-.8L50 1z' fill='black'/%3E%3Cpath d='M90 1l2.8 6.2L100 8l-4.8 4.2L96.8 19 90 15.7 83.2 19l1.6-6.8L80 8l7.2-.8L90 1z' fill='black'/%3E%3C/svg%3E") center/contain no-repeat;
      mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20'%3E%3Cpath d='M10 1l2.8 6.2L20 8l-4.8 4.2L16.8 19 10 15.7 3.2 19l1.6-6.8L0 8l7.2-.8L10 1z' fill='black'/%3E%3Cpath d='M50 1l2.8 6.2L60 8l-4.8 4.2L56.8 19 50 15.7 43.2 19l1.6-6.8L40 8l7.2-.8L50 1z' fill='black'/%3E%3Cpath d='M90 1l2.8 6.2L100 8l-4.8 4.2L96.8 19 90 15.7 83.2 19l1.6-6.8L80 8l7.2-.8L90 1z' fill='black'/%3E%3C/svg%3E") center/contain no-repeat;
      opacity:.95;
      border-radius:10px;
      flex:0 0 auto;
    }
    .rating b{display:block; font-size:18px; letter-spacing:-.3px}
    .rating span{display:block; margin-top:6px; color: rgba(20,22,26,.70); font-size:13px}
    .compare-meta{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .pill{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      font-weight:800;
      font-size:12.5px;
      color: rgba(20,22,26,.82);
    }
    .pill i{
      font-style:normal;
      display:inline-block;
      width:10px; height:10px; border-radius:999px;
      margin-right:8px;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 6px rgba(255,47,122,.10);
      vertical-align: -1px;
    }
    .compare-table{
      width:100%;
      border-collapse: collapse;
      overflow:auto;
      border-radius: 18px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.74);
    }
    .compare-table th, .compare-table td{
      padding: 12px 12px;
      border-bottom:1px solid rgba(20,22,26,.08);
      vertical-align:top;
      text-align:left;
      font-size:13.3px;
    }
    .compare-table th{
      color: rgba(20,22,26,.86);
      background: linear-gradient(180deg, rgba(20,22,26,.04), rgba(20,22,26,.02));
      position:sticky; top:0;
      z-index:1;
    }
    .compare-table td{
      color: rgba(20,22,26,.72);
      line-height:1.6;
    }
    .check{
      display:flex; align-items:center; gap:8px; font-weight:700; color: rgba(20,22,26,.85);
      white-space:nowrap;
    }
    .check svg{width:18px; height:18px}
    .cross{
      display:flex; align-items:center; gap:8px; font-weight:700; color: rgba(20,22,26,.62);
      white-space:nowrap;
    }
    .cross svg{width:18px; height:18px}
    .score{
      font-weight:900;
      color: rgba(20,22,26,.92);
    }

    .timeline{
      display:flex; flex-direction:column; gap:10px;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 14px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.68);
      border:1px solid rgba(20,22,26,.10);
      position:relative;
      overflow:hidden;
    }
    .time-item::before{
      content:"";
      position:absolute; left:-40px; top:0; bottom:0;
      width: 120px;
      background: radial-gradient(circle at 30% 30%, rgba(124,77,255,.18), transparent 60%);
      opacity:.8;
      pointer-events:none;
    }
    .time-left{
      width: 34px; height:34px; border-radius:14px;
      background: rgba(255,255,255,.80);
      border:1px solid rgba(20,22,26,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(20,22,26,.86);
      flex:0 0 auto;
      position:relative; z-index:1;
    }
    .time-body{position:relative; z-index:1}
    .time-body b{display:block; font-size:14.2px}
    .time-body span{display:block; margin-top:5px; color: rgba(20,22,26,.68); font-size:13.2px; line-height:1.6}

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-bottom: 12px;
    }
    .tab{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.66);
      font-size:13.2px;
      font-weight:750;
      color: rgba(20,22,26,.78);
      cursor:pointer;
      transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
    }
    .tab:hover{transform: translateY(-1px); background:#fff}
    .tab[aria-selected="true"]{
      background: linear-gradient(135deg, rgba(255,47,122,.16), rgba(124,77,255,.16));
      border-color: rgba(124,77,255,.24);
      color: rgba(20,22,26,.92);
      box-shadow: 0 12px 30px rgba(124,77,255,.12);
    }
    .tab-panel{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,22,26,.10);
      border-radius: var(--radius-xl);
      padding: 14px;
      box-shadow: var(--shadow2);
    }
    .tab-panel .panel-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap: 12px;
      align-items:start;
    }
    .quote{
      border-radius: var(--radius-lg);
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.74);
      padding: 14px;
    }
    .quote b{display:block; font-size:14.6px}
    .quote p{margin:8px 0 0; color: rgba(20,22,26,.70); font-size:13.5px; line-height:1.7}
    .key-list{
      margin: 10px 0 0; padding-left:18px;
      color: rgba(20,22,26,.72); font-size:13.4px; line-height:1.7;
    }

    .form-card{
      padding: 18px;
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,22,26,.10);
      background:
        radial-gradient(700px 240px at 0% 0%, rgba(255,47,122,.16), transparent 55%),
        radial-gradient(700px 260px at 100% 20%, rgba(0,179,255,.14), transparent 55%),
        rgba(255,255,255,.66);
      box-shadow: var(--shadow2);
    }
    form{margin-top: 10px; display:grid; grid-template-columns: 1fr 1fr; gap: 12px;}
    .field{display:flex; flex-direction:column; gap:8px}
    label{font-size:13px; font-weight:780; color: rgba(20,22,26,.82)}
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.78);
      color: rgba(20,22,26,.90);
      outline:none;
      transition: box-shadow .18s var(--ease), border-color .18s var(--ease);
      font-size:14px;
    }
    textarea{min-height: 104px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--ring);
      border-color: rgba(124,77,255,.30);
    }
    .full{grid-column: 1 / -1}
    .form-actions{grid-column: 1 / -1; display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-top: 2px}
    .hint{
      color: rgba(20,22,26,.64);
      font-size: 12.6px;
      line-height:1.5;
      max-width: 60ch;
    }
    .submit-row{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
    .btn-submit{
      padding: 12px 16px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.20);
      background: linear-gradient(135deg, rgba(255,47,122,.96), rgba(124,77,255,.92) 58%, rgba(0,179,255,.70));
      color:#fff;
      font-weight:900;
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), filter .18s var(--ease);
      box-shadow: 0 18px 45px rgba(124,77,255,.22);
      -webkit-tap-highlight-color: transparent;
    }
    .btn-submit:hover{transform: translateY(-1px); box-shadow: 0 22px 55px rgba(124,77,255,.28); filter:saturate(1.05)}
    .btn-submit:active{transform: translateY(0)}
    .btn-secondary{
      padding: 12px 16px; border-radius: 999px;
      border: 1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.70);
      color: rgba(20,22,26,.88);
      font-weight:850;
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
      -webkit-tap-highlight-color: transparent;
    }
    .btn-secondary:hover{transform: translateY(-1px); background:#fff; box-shadow: var(--shadow3)}
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 18px;
      background: rgba(20,22,26,.92);
      color: #fff;
      border-radius: 999px;
      padding: 10px 14px;
      font-size: 13px;
      box-shadow: 0 18px 60px rgba(0,0,0,.25);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s var(--ease), transform .2s var(--ease);
      z-index: 9999;
      max-width: calc(100vw - 24px);
      text-align:center;
    }
    .toast.show{opacity:1; transform: translateX(-50%) translateY(-6px)}

    .faq{
      display:flex; flex-direction:column; gap:10px;
    }
    details{
      border-radius: var(--radius-lg);
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.68);
      padding: 12px 14px;
      box-shadow: 0 10px 28px rgba(20,22,26,.06);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }
    details[open]{border-color: rgba(124,77,255,.26); box-shadow: 0 18px 55px rgba(124,77,255,.14)}
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      font-weight:900;
      color: rgba(20,22,26,.90);
      font-size:14.2px;
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
      color: rgba(20,22,26,.66);
      font-weight:900;
      font-size:12.6px;
    }
    .chev{
      width:30px; height:30px; border-radius:12px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s var(--ease);
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq p{
      margin: 10px 0 0;
      color: rgba(20,22,26,.70);
      font-size:13.6px;
      line-height:1.75;
    }

    .comments-grid{
      display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    }
    .comment{
      padding: 16px;
    }
    .comment-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      background: linear-gradient(135deg, rgba(255,47,122,.20), rgba(124,77,255,.20), rgba(0,179,255,.14));
      border:1px solid rgba(20,22,26,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color: rgba(20,22,26,.84);
      flex:0 0 auto;
    }
    .who b{display:block; font-size:14px}
    .who span{display:block; margin-top:4px; color: rgba(20,22,26,.66); font-size:12.6px}
    .comment .stars-inline{
      display:flex; gap:4px; align-items:center;
      color: rgba(20,22,26,.80);
      font-weight:900;
      font-size:12.8px;
      white-space:nowrap;
    }
    .star{
      width:14px; height:14px; border-radius:4px;
      background: linear-gradient(135deg, rgba(255,47,122,.95), rgba(124,77,255,.92));
      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 0 0 6px rgba(255,47,122,.08);
    }
    .comment p{margin:0; color: rgba(20,22,26,.72); font-size:13.6px; line-height:1.75}

    .case-grid{
      display:grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px;
    }
    .case{
      padding: 14px;
    }
    .case .thumb{
      border-radius: 16px;
      border: 1px solid rgba(20,22,26,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.50));
      padding: 12px;
      position:relative;
      overflow:hidden;
    }
    .case .thumb::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(220px 140px at 15% 20%, rgba(255,47,122,.22), transparent 60%),
        radial-gradient(240px 160px at 85% 15%, rgba(0,179,255,.18), transparent 60%),
        linear-gradient(120deg, rgba(124,77,255,.12), transparent 40%);
      opacity:.9;
      pointer-events:none;
    }
    .thumb .thumb-inner{position:relative; z-index:1}
    .thumb .thumb-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .thumb .thumb-badge{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.70);
      font-size:12.2px; font-weight:900;
      color: rgba(20,22,26,.84);
      white-space:nowrap;
    }
    .mini-graph{
      height: 52px; border-radius:14px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:flex-end; gap:6px;
      padding: 8px;
    }
    .mini-graph span{
      flex:1;
      border-radius:10px;
      background: linear-gradient(180deg, rgba(255,47,122,.85), rgba(124,77,255,.85));
      opacity:.85;
      transform-origin: bottom;
      animation: rise 1.1s var(--ease) both;
    }
    .mini-graph span:nth-child(2){animation-delay:.08s}
    .mini-graph span:nth-child(3){animation-delay:.16s}
    .mini-graph span:nth-child(4){animation-delay:.24s}
    @keyframes rise{
      from{transform: scaleY(.65); opacity:.65}
      to{transform: scaleY(1); opacity:.95}
    }
    .case h3{margin:12px 0 0; font-size:15px}
    .case p{margin:8px 0 0; color: rgba(20,22,26,.70); font-size:13.5px; line-height:1.7}
    .case .case-links{
      display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px;
    }
    .link-btn{
      display:inline-flex; align-items:center; gap:8px;
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.72);
      color: rgba(20,22,26,.86);
      font-weight:900;
      font-size:13px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
      -webkit-tap-highlight-color: transparent;
    }
    .link-btn:hover{transform: translateY(-1px); background:#fff; box-shadow: var(--shadow3)}
    .link-btn svg{width:16px; height:16px}

    .articles{
      display:grid; grid-template-columns: 1fr 1fr; gap: 14px;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article{
      padding: 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .article-left{min-width: 0}
    .article b{
      display:block; font-size:14.2px; line-height:1.4;
    }
    .article span{
      display:block; margin-top:6px;
      color: rgba(20,22,26,.66); font-size:12.8px; line-height:1.4;
    }
    .article a{
      padding:10px 12px; border-radius:999px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.74);
      font-weight:900; font-size:13px;
      white-space:nowrap;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
    }
    .article a:hover{transform: translateY(-1px); background:#fff; box-shadow: var(--shadow3)}
    .article aside{
      color: rgba(20,22,26,.66); font-size:12px; font-weight:900;
      padding:7px 10px; border-radius:999px;
      border:1px solid rgba(20,22,26,.10); background: rgba(20,22,26,.04);
      flex:0 0 auto;
    }

    .gallery{
      display:grid; grid-template-columns: 1fr 1fr; gap: 12px;
      margin-top: 12px;
    }
    .img-card{
      border-radius: var(--radius-lg);
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.66);
      overflow:hidden;
      padding: 10px;
    }
    .img-frame{
      border-radius: 14px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.70);
      overflow:hidden;
    }
    .img-frame img{
      width:100%; height:auto; display:block;
      object-fit:contain;
      transition: transform .25s var(--ease);
    }
    .img-card:hover .img-frame img{transform: scale(1.02)}
    .img-caption{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-top:10px;
    }
    .img-caption b{font-size:13.4px}
    .img-caption span{font-size:12.6px; color: rgba(20,22,26,.64); font-weight:800}

    footer{
      background: rgba(255,255,255,.78);
      border-top: 1px solid rgba(20,22,26,.08);
      margin-top: 22px;
    }
    .foot-inner{
      padding: 22px 0 18px;
    }
    .foot-grid{
      display:grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      padding: 16px;
      box-shadow: 0 10px 28px rgba(20,22,26,.06);
    }
    .foot-card h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .foot-card p{margin:10px 0 0; color: rgba(20,22,26,.70); font-size:13.5px; line-height:1.7}
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 12px;
    }
    .foot-links a{
      padding:10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.76);
      color: rgba(20,22,26,.84);
      font-weight:900;
      font-size:13px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
      white-space:nowrap;
    }
    .foot-links a:hover{transform: translateY(-1px); background:#fff; box-shadow: var(--shadow3)}
    .copyright{
      border-top:1px solid rgba(20,22,26,.08);
      margin-top: 14px;
      padding-top: 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color: rgba(20,22,26,.64);
      font-size:12.6px;
      font-weight:750;
    }
    .to-top{
      position:fixed;
      right: 16px;
      bottom: 16px;
      width: 46px; height: 46px;
      border-radius: 16px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 45px rgba(20,22,26,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0;
      transform: translateY(10px);
      pointer-events:none;
      transition: opacity .2s var(--ease), transform .2s var(--ease), background .18s var(--ease);
      z-index:999;
      -webkit-tap-highlight-color: transparent;
    }
    .to-top.show{opacity:1; transform: translateY(0); pointer-events:auto}
    .to-top:hover{background:#fff}

    .float-kefu{
      position:fixed;
      right: 16px;
      bottom: 74px;
      z-index:999;
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
    }
    .kefu-card{
      width: 190px;
      border-radius: 20px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 55px rgba(20,22,26,.18);
      overflow:hidden;
      transform-origin: bottom right;
      transition: transform .22s var(--ease), opacity .22s var(--ease);
    }
    .kefu-head{
      padding: 12px 12px 10px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background:
        radial-gradient(220px 120px at 15% 50%, rgba(255,47,122,.18), transparent 60%),
        radial-gradient(220px 120px at 90% 30%, rgba(124,77,255,.18), transparent 60%),
        rgba(255,255,255,.80);
      border-bottom:1px solid rgba(20,22,26,.08);
    }
    .kefu-head b{font-size:13.5px}
    .kefu-close{
      width:32px; height:32px; border-radius:12px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.82);
      cursor:pointer;
      transition: transform .18s var(--ease), background .18s var(--ease);
      display:flex; align-items:center; justify-content:center;
      -webkit-tap-highlight-color: transparent;
    }
    .kefu-close:hover{transform: translateY(-1px); background:#fff}
    .kefu-body{
      padding: 12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .kefu-body img{
      width:100%;
      height:auto;
      border-radius: 16px;
      border:1px solid rgba(20,22,26,.10);
      background: rgba(255,255,255,.72);
      display:block;
    }
    .kefu-body .kefu-note{
      color: rgba(20,22,26,.68);
      font-size:12.6px;
      line-height:1.45;
      font-weight:750;
    }
    .kefu-toggle{
      width: 46px; height:46px;
      border-radius: 18px;
      border:1px solid rgba(20,22,26,.12);
      background: rgba(255,255,255,.85);
      box-shadow: 0 14px 45px rgba(20,22,26,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      -webkit-tap-highlight-color: transparent;
      transition: transform .18s var(--ease), background .18s var(--ease);
    }
    .kefu-toggle:hover{transform: translateY(-1px); background:#fff}

    .reveal{opacity:0; transform: translateY(10px); transition: opacity .7s var(--ease), transform .7s var(--ease)}
    .reveal.show{opacity:1; transform: translateY(0)}
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none; opacity:1; transform:none}
      .mini-graph span{animation:none}
      .card, .metric, .step{transition:none}
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .grid-3{grid-template-columns: 1fr; }
      .two-col{grid-template-columns: 1fr; }
      .comments-grid{grid-template-columns: 1fr; }
      .case-grid{grid-template-columns: 1fr; }
      .articles{grid-template-columns: 1fr; }
      .tab-panel .panel-grid{grid-template-columns: 1fr; }
      .foot-grid{grid-template-columns: 1fr; }
      nav .nav-links{display:none}
      .nav-actions .btn-ghost{display:none}
      .burger{display:block}
      .mobile-panel{display:block}
      .mobile-panel[data-show="false"]{display:none}
      .mobile-panel[data-show="true"]{display:block}
      .kefu-card{display:none}
      .float-kefu{bottom: 16px}
    }

    @media (max-width: 520px){
      .hero-card{padding: 18px 14px 14px}
      .hero-side{padding: 14px}
      .data-grid{grid-template-columns: 1fr 1fr}
      form{grid-template-columns: 1fr}
      .gallery{grid-template-columns: 1fr}
      .compare-top{align-items:stretch}
      .rating{width:100%}
      .to-top{right: 12px; bottom: 96px}
    }