:root{
      --bg0:#f7f4ff;
      --bg1:#ffffff;
      --text:#141414;
      --muted:#5b5f66;
      --muted2:#7a8089;
      --brand:#6a1bff;
      --brand2:#ff2d78;
      --brand3:#00a3ff;
      --ok:#10b981;
      --warn:#f59e0b;
      --line:rgba(20,20,20,.10);
      --card:rgba(255,255,255,.86);
      --card2:rgba(255,255,255,.65);
      --shadow: 0 10px 30px rgba(20,20,20,.08);
      --shadow2: 0 8px 22px rgba(20,20,20,.10);
      --radius:18px;
      --radius2:24px;
      --container: 1120px;
      --pad: 18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 15% 0%, rgba(106,27,255,.16), transparent 55%),
        radial-gradient(700px 420px at 85% 10%, rgba(255,45,120,.14), transparent 55%),
        radial-gradient(620px 420px at 50% 45%, rgba(0,163,255,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #fff 55%, #fff 100%);
    }
    a{color:inherit}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(1.2) blur(10px);
      background: rgba(247,244,255,.72);
      border-bottom:1px solid rgba(20,20,20,.08);
    }
    .topbar-inner{
      display:flex; align-items:center; justify-content:space-between;
      gap:14px; padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:220px;
    }
    .ai-page-logo{
      width:44px; height:44px; border-radius:12px;
      background: rgba(255,255,255,.65);
      object-fit:contain;
      box-shadow: 0 6px 16px rgba(106,27,255,.18);
      border:1px solid rgba(20,20,20,.08);
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted); margin-top:4px}
    nav{
      display:flex; align-items:center; gap:12px;
    }
    .navlinks{
      display:flex; align-items:center; gap:10px;
      padding:6px;
      border-radius:999px;
      background: rgba(255,255,255,.55);
      border:1px solid rgba(20,20,20,.08);
    }
    .navlinks a{
      text-decoration:none;
      font-size:13px;
      color:rgba(20,20,20,.85);
      padding:8px 10px;
      border-radius:999px;
      transition: transform .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .navlinks a:hover{
      background: rgba(106,27,255,.10);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      appearance:none; border:0; cursor:pointer;
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      text-decoration:none;
      padding:10px 14px;
      border-radius:12px;
      font-weight:650;
      font-size:14px;
      transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, background .18s ease;
      user-select:none;
    }
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      background: linear-gradient(135deg, var(--brand) 0%, #8a4bff 45%, var(--brand2) 100%);
      color:#fff;
      box-shadow: 0 14px 34px rgba(106,27,255,.22);
    }
    .btn-primary:hover{filter:saturate(1.08); box-shadow: 0 18px 44px rgba(106,27,255,.28)}
    .btn-ghost{
      background: rgba(255,255,255,.65);
      border:1px solid rgba(20,20,20,.10);
      color: rgba(20,20,20,.92);
    }
    .btn-ghost:hover{transform: translateY(-1px); box-shadow: 0 10px 26px rgba(20,20,20,.10)}
    .nav-toggle{
      display:none;
      padding:10px 12px;
      border-radius:12px;
      background: rgba(255,255,255,.65);
      border:1px solid rgba(20,20,20,.10);
      cursor:pointer;
    }
    .nav-toggle .bar{
      width:18px; height:2px; background: rgba(20,20,20,.78);
      margin:4px 0; border-radius:999px;
    }

    .mobile-menu{
      display:none;
      padding:12px 0 16px;
    }
    .mobile-menu .menu-card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,20,20,.10);
      border-radius:16px;
      padding:12px;
      box-shadow: 0 18px 40px rgba(20,20,20,.08);
    }
    .mobile-menu a{
      display:flex; align-items:center; justify-content:space-between;
      text-decoration:none;
      padding:12px 12px;
      border-radius:12px;
      font-weight:600;
      color: rgba(20,20,20,.88);
      background: rgba(255,255,255,.5);
      border:1px solid rgba(20,20,20,.06);
      margin:8px 0;
    }
    .mobile-menu a:active{transform: translateY(1px)}

    .hero{
      padding:42px 0 18px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      padding:22px;
      border-radius: var(--radius2);
      background:
        linear-gradient(135deg, rgba(255,255,255,.75), rgba(255,255,255,.52)),
        radial-gradient(650px 240px at 15% 0%, rgba(106,27,255,.22), transparent 60%),
        radial-gradient(520px 250px at 90% 15%, rgba(255,45,120,.18), transparent 55%),
        radial-gradient(540px 250px at 55% 60%, rgba(0,163,255,.14), transparent 60%);
      border:1px solid rgba(20,20,20,.10);
      box-shadow: var(--shadow);
      position:relative;
    }
    .hero-left::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(106,27,255,.22), rgba(255,45,120,.14), rgba(0,163,255,.14));
      opacity:.22;
      filter: blur(18px);
      pointer-events:none;
    }
    .hero-left > *{position:relative; z-index:1}
    .kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom:14px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(255,255,255,.65);
      border:1px solid rgba(20,20,20,.10);
      color: rgba(20,20,20,.9);
      font-weight:650;
      font-size:13px;
      box-shadow: 0 10px 24px rgba(20,20,20,.06);
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 10px 20px rgba(106,27,255,.25);
    }
    .hero-h1{
      margin:0;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.6px;
    }
    .hero-sub{
      margin:14px 0 18px;
      color: rgba(20,20,20,.80);
      font-size:15px;
      line-height:1.7;
      max-width:62ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      align-items:center;
      margin-bottom:18px;
    }
    .hero-fast{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-top:8px;
    }
    .micro{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:14px;
      background: rgba(255,255,255,.58);
      border:1px solid rgba(20,20,20,.09);
    }
    .micro svg{flex:0 0 auto; margin-top:2px}
    .micro strong{display:block; font-size:13px}
    .micro span{display:block; font-size:12px; color:var(--muted); margin-top:4px; line-height:1.4}

    .hero-right{
      padding:18px;
      border-radius: var(--radius2);
      background:
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.55));
      border:1px solid rgba(20,20,20,.10);
      box-shadow: var(--shadow);
      display:flex; flex-direction:column; gap:12px;
    }
    .stat-top{
      display:flex; justify-content:space-between; gap:12px; align-items:flex-start;
      padding:10px 10px 0;
    }
    .stat-top .label{
      color: var(--muted);
      font-size:13px;
      font-weight:650;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px; border-radius:999px;
      background: rgba(106,27,255,.10);
      border:1px solid rgba(106,27,255,.18);
      color: rgba(106,27,255,.95);
      font-weight:800;
      font-size:13px;
      white-space:nowrap;
    }
    .badge i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      display:inline-block;
      box-shadow: 0 10px 22px rgba(106,27,255,.25);
    }
    .stat-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:8px;
    }
    .stat{
      padding:14px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(20,20,20,.08);
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .stat:hover{transform: translateY(-2px); box-shadow: 0 16px 36px rgba(20,20,20,.10)}
    .stat::before{
      content:"";
      position:absolute; inset:auto -40px -40px auto;
      width:110px; height:110px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(106,27,255,.28), rgba(255,45,120,.10), transparent 60%);
      transform: rotate(12deg);
    }
    .stat > *{position:relative; z-index:1}
    .stat strong{font-size:20px; letter-spacing:-.2px}
    .stat span{display:block; margin-top:6px; font-size:12px; color:var(--muted); line-height:1.4}

    .hero-divider{
      height:1px; background: rgba(20,20,20,.08);
      margin:2px 0 2px;
    }
    .quick-list{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      padding:0 10px 10px;
    }
    .quick-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background: rgba(255,255,255,.56);
      border:1px solid rgba(20,20,20,.08);
    }
    .qi-ico{
      width:36px; height:36px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(106,27,255,.18), rgba(255,45,120,.16));
      border:1px solid rgba(106,27,255,.20);
      flex:0 0 auto;
    }
    .quick-item strong{display:block; font-size:13px}
    .quick-item span{display:block; font-size:12px; color:var(--muted); margin-top:4px; line-height:1.5}

    main{padding:10px 0 22px}
    section{padding:26px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-title{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.7;
      font-size:14px;
      max-width:66ch;
    }
    .section-actions{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }

    .grid-3{
      display:grid; gap:14px;
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .grid-2{
      display:grid; gap:14px;
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 26px rgba(20,20,20,.06);
      padding:16px;
      transition: transform .22s ease, box-shadow .22s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{transform: translateY(-3px); box-shadow: 0 18px 44px rgba(20,20,20,.10)}
    .card h3{
      margin:10px 0 8px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      line-height:1.7;
      font-size:13px;
    }
    .card .tagrow{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:12px;
    }
    .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.56);
      color: rgba(20,20,20,.86);
      white-space:nowrap;
    }
    .tag.hot{
      border-color: rgba(255,45,120,.25);
      background: rgba(255,45,120,.10);
      color: rgba(173,16,79,.98);
      font-weight:700;
    }
    .tag.blue{
      border-color: rgba(0,163,255,.22);
      background: rgba(0,163,255,.10);
      color: rgba(0,105,170,.98);
      font-weight:700;
    }
    .tag.purple{
      border-color: rgba(106,27,255,.22);
      background: rgba(106,27,255,.10);
      color: rgba(86,22,210,.98);
      font-weight:700;
    }

    .steps{
      display:grid; gap:14px;
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .step{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,20,20,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.55));
      position:relative; overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .step:hover{transform: translateY(-3px); box-shadow: 0 18px 44px rgba(20,20,20,.10)}
    .step::after{
      content:"";
      position:absolute; inset:auto -40px -50px auto;
      width:130px; height:130px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(0,163,255,.20), rgba(106,27,255,.12), transparent 60%);
      transform: rotate(10deg);
      pointer-events:none;
    }
    .step > *{position:relative; z-index:1}
    .step-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .step-num{
      width:40px; height:40px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(106,27,255,.10);
      border:1px solid rgba(106,27,255,.20);
      color: rgba(86,22,210,.98);
      font-weight:900;
    }
    .step-ico{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,45,120,.10);
      border:1px solid rgba(255,45,120,.20);
    }
    .step h3{
      margin:12px 0 6px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .step p{
      margin:0;
      color: var(--muted);
      line-height:1.7;
      font-size:13px;
    }

    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(20,20,20,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.58));
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .compare-topbar{
      display:flex; align-items:center; justify-content:space-between;
      padding:14px 16px;
      border-bottom:1px solid rgba(20,20,20,.08);
      background:
        linear-gradient(90deg, rgba(106,27,255,.12), rgba(255,45,120,.10), rgba(0,163,255,.08));
      gap:12px;
    }
    .compare-topbar .title{
      display:flex; flex-direction:column; gap:6px;
    }
    .compare-topbar .title strong{font-size:16px}
    .compare-topbar .title span{font-size:12px; color:var(--muted)}
    .rating-badge{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.65);
      border:1px solid rgba(20,20,20,.10);
      white-space:nowrap;
    }
    .stars{
      display:flex; gap:3px;
    }
    .star{
      width:16px; height:16px;
      fill: #f59e0b;
      filter: drop-shadow(0 6px 12px rgba(245,158,11,.22));
    }
    .rating-meta strong{font-size:14px}
    .rating-meta span{display:block; margin-top:4px; font-size:12px; color:var(--muted)}
    .compare-table{
      width:100%;
      border-collapse:collapse;
      font-size:13px;
    }
    .compare-table th, .compare-table td{
      padding:14px 12px;
      border-bottom:1px solid rgba(20,20,20,.08);
      vertical-align:middle;
    }
    .compare-table thead th{
      background: rgba(255,255,255,.55);
      color: rgba(20,20,20,.9);
      font-weight:900;
      letter-spacing:.2px;
    }
    .compare-table tbody tr:last-child td{border-bottom:0}
    .col-name{
      font-weight:900;
    }
    .check{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(16,185,129,.22);
      background: rgba(16,185,129,.10);
      color: rgba(6,95,70,.98);
      font-weight:800;
      white-space:nowrap;
    }
    .partial{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(245,158,11,.22);
      background: rgba(245,158,11,.10);
      color: rgba(120,70,15,.98);
      font-weight:800;
      white-space:nowrap;
    }
    .no{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(239,68,68,.20);
      background: rgba(239,68,68,.08);
      color: rgba(153,27,27,.98);
      font-weight:800;
      white-space:nowrap;
    }
    .compare-actions{
      padding:14px 16px;
      display:flex; gap:12px; flex-wrap:wrap; justify-content:flex-end;
      background: rgba(255,255,255,.52);
      border-top:1px solid rgba(20,20,20,.08);
    }

    .cases{
      display:grid; gap:14px;
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .case{
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      transition: transform .22s ease, box-shadow .22s ease;
      overflow:hidden;
      position:relative;
      min-height: 190px;
    }
    .case:hover{transform: translateY(-3px); box-shadow: 0 18px 44px rgba(20,20,20,.10)}
    .case .case-title{
      font-weight:900; letter-spacing:-.2px;
      margin:10px 0 8px;
      font-size:15px;
    }
    .case .meta{
      color: var(--muted);
      font-size:12.5px;
      line-height:1.6;
      margin:0;
    }
    .case .chiprow{
      display:flex; gap:8px; flex-wrap:wrap;
      margin-top:12px;
    }
    .chip{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.55);
      white-space:nowrap;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .list{
      margin:0; padding-left:18px;
      color: var(--muted);
      line-height:1.8;
      font-size:13px;
    }
    .list li{margin:6px 0}
    .timeline{
      display:grid; gap:10px;
    }
    .tl-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.62);
    }
    .tl-bullet{
      width:12px; height:12px; margin-top:6px;
      border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 10px 22px rgba(106,27,255,.25);
      flex:0 0 auto;
    }
    .tl-item strong{display:block; font-size:13px}
    .tl-item span{display:block; color:var(--muted); font-size:12.5px; margin-top:4px; line-height:1.6}

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top:10px;
    }
    .tabbtn{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.60);
      cursor:pointer;
      font-weight:800;
      font-size:13px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .tabbtn:hover{transform: translateY(-1px); box-shadow: 0 10px 24px rgba(20,20,20,.10)}
    .tabbtn[aria-selected="true"]{
      background: linear-gradient(135deg, rgba(106,27,255,.16), rgba(255,45,120,.12));
      border-color: rgba(106,27,255,.22);
    }
    .tabpanel{
      margin-top:12px;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    details{
      border-radius: var(--radius);
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      padding:12px 14px;
      transition: box-shadow .22s ease, transform .22s ease;
    }
    details:hover{transform: translateY(-2px); box-shadow: 0 16px 36px rgba(20,20,20,.10)}
    summary{
      cursor:pointer;
      list-style:none;
      font-weight:900;
      font-size:14px;
      letter-spacing:-.1px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding:4px 0;
    }
    summary::-webkit-details-marker{display:none}
    .sum-ico{
      width:34px; height:34px; border-radius:14px;
      background: rgba(106,27,255,.10);
      border:1px solid rgba(106,27,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    details[open] .sum-ico{
      background: rgba(255,45,120,.10);
      border-color: rgba(255,45,120,.22);
    }
    .faq p{
      margin:10px 0 0;
      color: var(--muted);
      line-height:1.75;
      font-size:13px;
    }

    .comments{
      display:grid; gap:14px;
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .comment{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      position:relative;
      overflow:hidden;
    }
    .comment::before{
      content:"";
      position:absolute; inset:-2px -2px auto auto;
      width:120px; height:90px;
      background: radial-gradient(circle at 30% 30%, rgba(255,45,120,.18), rgba(106,27,255,.10), transparent 60%);
      transform: rotate(8deg);
      pointer-events:none;
    }
    .comment > *{position:relative; z-index:1}
    .c-top{
      display:flex; justify-content:space-between; align-items:flex-start; gap:10px;
      margin-bottom:10px;
    }
    .c-role{
      font-weight:900;
      font-size:13px;
    }
    .c-stars{display:flex; gap:3px}
    .c-stars .star{width:15px; height:15px}
    .c-body{
      color: var(--muted);
      font-size:13px;
      line-height:1.75;
      margin:0;
    }

    .article-grid{
      display:grid; gap:14px;
      grid-template-columns: 1.1fr .9fr;
      align-items:start;
    }
    .article-list{
      display:grid; gap:10px;
    }
    .article-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      text-decoration:none;
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .article-item:hover{transform: translateY(-3px); box-shadow: 0 18px 44px rgba(20,20,20,.10)}
    .a-dot{
      width:12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand2), var(--brand));
      box-shadow: 0 10px 22px rgba(255,45,120,.22);
      margin-top:6px;
      flex:0 0 auto;
    }
    .article-item strong{
      display:block;
      font-size:14px;
      letter-spacing:-.1px;
      margin-top:1px;
    }
    .article-item span{
      display:block;
      color: var(--muted);
      font-size:12.5px;
      line-height:1.6;
      margin-top:6px;
    }

    .form-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,20,20,.10);
      background:
        radial-gradient(700px 280px at 10% 0%, rgba(106,27,255,.16), transparent 55%),
        radial-gradient(560px 260px at 95% 10%, rgba(255,45,120,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      box-shadow: var(--shadow2);
    }
    form{
      display:grid; gap:12px;
      margin-top:6px;
    }
    .field-row{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size:13px; font-weight:800;
      color: rgba(20,20,20,.90);
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,20,20,.12);
      background: rgba(255,255,255,.80);
      color: rgba(20,20,20,.92);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
      font-size:14px;
    }
    textarea{min-height:108px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(106,27,255,.35);
      box-shadow: 0 0 0 4px rgba(106,27,255,.14);
    }
    .form-actions{
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:2px;
    }
    .hint{
      color: var(--muted);
      font-size:12.5px;
      line-height:1.6;
      max-width:56ch;
    }

    .footer{
      padding:18px 0 22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.00), rgba(255,255,255,.75) 18%, rgba(255,255,255,.92) 100%);
      border-top:1px solid rgba(20,20,20,.08);
      margin-top: 8px;
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      padding:16px;
      box-shadow: 0 10px 26px rgba(20,20,20,.06);
    }
    .foot-title{
      font-weight:1000; letter-spacing:-.2px; margin:0 0 8px; font-size:15px;
    }
    .foot-p{
      margin:0; color:var(--muted); line-height:1.7; font-size:13px;
    }
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .foot-links a{
      text-decoration:none;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.55);
      color: rgba(20,20,20,.88);
      font-weight:800;
      font-size:13px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{transform: translateY(-2px); box-shadow: 0 16px 36px rgba(20,20,20,.10); background: rgba(106,27,255,.08)}
    .copyright{
      margin-top:14px;
      color: var(--muted2);
      font-size:12.5px;
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
      align-items:center;
    }

    .float-cs{
      position:fixed; right:14px; bottom:14px; z-index:60;
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
    }
    .cs-card{
      display:flex; align-items:center; gap:10px;
      padding:12px 12px;
      border-radius:18px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(20,20,20,.10);
      box-shadow: 0 22px 54px rgba(20,20,20,.18);
      backdrop-filter: blur(10px);
      transform-origin: 100% 100%;
      animation: csIn .45s ease both;
    }
    @keyframes csIn{
      from{opacity:0; transform: translateY(10px) scale(.98)}
      to{opacity:1; transform: translateY(0) scale(1)}
    }
    .cs-card img{
      width:42px; height:42px; border-radius:14px; object-fit:cover; background: rgba(255,255,255,.6);
      border:1px solid rgba(20,20,20,.10);
    }
    .cs-meta strong{display:block; font-size:13px}
    .cs-meta span{display:block; font-size:12px; color:var(--muted); margin-top:3px}
    .cs-open{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,20,20,.10);
      background: linear-gradient(135deg, rgba(106,27,255,.12), rgba(255,45,120,.10));
      cursor:pointer;
      font-weight:950;
      transition: transform .18s ease, box-shadow .18s ease;
      user-select:none;
    }
    .cs-open:hover{transform: translateY(-2px); box-shadow: 0 16px 36px rgba(20,20,20,.10)}
    .to-top{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      font-weight:950;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .to-top:hover{transform: translateY(-2px); box-shadow: 0 16px 36px rgba(20,20,20,.10)}

    .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; gap:14px}
      .steps{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .grid-3{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .cases{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .comments{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .article-grid{grid-template-columns: 1fr}
      .faq{grid-template-columns: 1fr}
      .two-col{grid-template-columns: 1fr}
      .footer-inner{grid-template-columns: 1fr}
      .compare-actions{justify-content:flex-start}
    }
    @media (max-width: 720px){
      .navlinks{display:none}
      .nav-toggle{display:inline-flex; flex-direction:column; align-items:flex-start; justify-content:center}
      .mobile-menu{display:block}
      .hero-left{padding:16px}
      .hero-h1{font-size:26px}
      .stat-grid{grid-template-columns: 1fr 1fr}
      .grid-3{grid-template-columns: 1fr}
      .cases{grid-template-columns: 1fr}
      .comments{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr}
      .field-row{grid-template-columns: 1fr}
      .float-cs{right:10px; bottom:10px}
      .cs-card{max-width: 240px}
      .cs-meta span{display:none}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto}
      .reveal{transition:none}
      .cs-card{animation:none}
      .btn, .card, .stat, .case, .article-item, details{transition:none}
    }