:root{
      --bg0:#fff7fb;
      --bg1:#f6f7ff;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6676;
      --border:rgba(20,35,55,.12);
      --shadow: 0 12px 28px rgba(18, 33, 63, .10);
      --shadow2: 0 10px 22px rgba(18, 33, 63, .12);
      --accent1:#ff3d8d;
      --accent2:#7c5cff;
      --accent3:#22c55e;
      --accent4:#06b6d4;
      --accent5:#f59e0b;
      --link:#3b5cff;
      --radius:18px;
      --radius2:26px;
      --container: 1120px;
      --pad: 20px;
      --focus: 0 0 0 4px rgba(124,92,255,.18);
    }
    *{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, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 10% 0%, rgba(124,92,255,.14) 0%, rgba(124,92,255,0) 55%),
        radial-gradient(780px 520px at 90% 8%, rgba(255,61,141,.14) 0%, rgba(255,61,141,0) 55%),
        radial-gradient(900px 600px at 50% 105%, rgba(34,197,94,.12) 0%, rgba(34,197,94,0) 55%),
        linear-gradient(180deg, var(--bg0) 0%, #ffffff 45%, var(--bg1) 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:var(--pad); top:14px; width:auto; height:auto; z-index:9999;
      background:#fff; border:1px solid var(--border); border-radius:12px; padding:10px 12px; box-shadow:var(--shadow2);
      outline:none;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.68);
      border-bottom:1px solid rgba(20,35,55,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:14px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 210px;
    }
    .brand img.ai-page-logo{width:34px; height:34px; object-fit:contain; border-radius:10px}
    .brand .brand-text{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand .brand-text strong{font-size:14px; letter-spacing:.2px}
    .brand .brand-text span{font-size:12px; color:var(--muted)}
    nav{
      display:flex; align-items:center; gap:10px;
    }
    .nav-links{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap;
    }
    .nav-links a{
      font-size:13px; color:#243043;
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(124,92,255,.08);
      border-color: rgba(124,92,255,.20);
      transform: translateY(-1px);
    }
    .nav-actions{
      display:flex; align-items:center; gap:10px;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.7);
      color:#23314a;
      font-weight:650;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 12px 24px rgba(18,33,63,.12)}
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn-primary{
      border-color: rgba(124,92,255,.35);
      background: linear-gradient(135deg, rgba(124,92,255,.96) 0%, rgba(255,61,141,.92) 100%);
      color:#fff;
      box-shadow: 0 14px 30px rgba(124,92,255,.22);
    }
    .btn-primary:hover{box-shadow: 0 18px 40px rgba(124,92,255,.28)}
    .btn-ghost{
      border-color: rgba(20,35,55,.14);
      background: rgba(255,255,255,.65);
      color:#263248;
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }

    .menu-btn{
      display:none;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,35,55,.14);
      background: rgba(255,255,255,.65);
      cursor:pointer;
      font-weight:700;
      color:#23314a;
      transition: transform .15s ease, background .15s ease;
    }
    .menu-btn:hover{transform: translateY(-1px); background:#fff}
    .menu-panel{
      display:none;
      padding:0 0 14px;
    }
    .menu-panel a{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 12px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.78);
      border-radius:14px;
      margin-top:10px;
      font-size:14px;
      color:#23314a;
    }

    .hero{
      padding: 34px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(20,35,55,.10);
      background:
        radial-gradient(900px 320px at 10% 0%, rgba(255,61,141,.18) 0%, rgba(255,61,141,0) 55%),
        radial-gradient(650px 280px at 70% 0%, rgba(124,92,255,.22) 0%, rgba(124,92,255,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(255,255,255,.62) 100%);
      box-shadow: 0 22px 55px rgba(124,92,255,.10);
      overflow:hidden;
      position:relative;
    }
    .hero-card::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(400px 250px at 20% 10%, rgba(255,61,141,.20), rgba(255,61,141,0) 60%),
        radial-gradient(360px 240px at 85% 22%, rgba(124,92,255,.18), rgba(124,92,255,0) 60%),
        radial-gradient(260px 200px at 50% 92%, rgba(34,197,94,.12), rgba(34,197,94,0) 60%);
      pointer-events:none;
      opacity:.9;
    }
    .hero-inner{
      position:relative;
      padding: 26px 24px;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:14px;
      min-height: 360px;
    }
    .badge-row{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
    }
    .badge{
      display:inline-flex; align-items:center; gap:10px;
      padding:9px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,35,55,.10);
      font-size:12px; color:#273349;
      box-shadow: 0 10px 22px rgba(18,33,63,.06);
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--accent1), var(--accent2));
      box-shadow: 0 0 0 4px rgba(124,92,255,.12);
    }
    h1{
      margin:0;
      font-size: 34px;
      letter-spacing: -0.6px;
      line-height:1.12;
    }
    .hero-sub{
      margin:0;
      color: var(--muted);
      font-size: 14.5px;
      line-height:1.7;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px; align-items:center;
      margin-top:6px;
    }
    .micro{
      display:flex; gap:12px; flex-wrap:wrap; margin-top:auto;
      padding-top:14px;
      border-top: 1px solid rgba(20,35,55,.10);
      align-items:center;
    }
    .micro-item{
      display:flex; align-items:flex-start; gap:10px;
      min-width: 170px;
    }
    .micro-item b{font-size:13px}
    .micro-item span{display:block; font-size:12px; color:var(--muted); margin-top:2px; line-height:1.35}
    .micro-icon{
      width:30px; height:30px; border-radius:12px;
      background: rgba(124,92,255,.12);
      border: 1px solid rgba(124,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .micro-icon svg{width:16px; height:16px; color: #5b4bff}

    .hero-side{
      border-radius: var(--radius2);
      border: 1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 18px 40px rgba(18,33,63,.08);
      overflow:hidden;
      position:relative;
    }
    .hero-side::before{
      content:"";
      position:absolute; left:-60px; top:-80px; width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(255,61,141,.26), rgba(255,61,141,0) 60%);
      transform: rotate(18deg);
      pointer-events:none;
    }
    .side-inner{
      position:relative;
      padding: 18px;
      display:flex; flex-direction:column; gap:12px;
      min-height: 360px;
    }
    .side-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .side-title h2{
      margin:0;
      font-size:16px; letter-spacing:-.2px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(34,197,94,.10);
      border: 1px solid rgba(34,197,94,.22);
      color:#14532d;
      font-weight:750;
      font-size:12px;
      white-space:nowrap;
    }
    .side-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .stat{
      padding:14px 12px;
      border-radius:16px;
      border:1px solid rgba(20,35,55,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.64));
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .stat:hover{transform: translateY(-2px); box-shadow: 0 18px 35px rgba(18,33,63,.12); border-color: rgba(124,92,255,.22)}
    .stat b{
      font-size:20px; display:block; letter-spacing:-.4px;
    }
    .stat span{
      display:block; margin-top:6px; color:var(--muted); font-size:12px; line-height:1.35;
    }
    .side-note{
      margin-top:auto;
      padding:12px 12px;
      border-radius:16px;
      border:1px dashed rgba(20,35,55,.18);
      background: rgba(255,255,255,.55);
      color: var(--muted);
      font-size:12.5px;
      line-height:1.55;
    }
    .side-note strong{color:#1f2a3b}
    .divider{
      height:1px;
      background: rgba(20,35,55,.10);
      margin: 10px 0;
    }

    main{padding: 16px 0 30px}
    section{padding: 28px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px; margin-bottom:14px;
    }
    .kicker{
      font-size:12px; color:#35465d; letter-spacing:.2px; text-transform:none;
      display:flex; align-items:center; gap:10px;
    }
    .kicker::before{
      content:"";
      width:12px; height:12px; border-radius:4px;
      background: linear-gradient(135deg, var(--accent1), var(--accent2));
      box-shadow: 0 0 0 4px rgba(255,61,141,.10);
    }
    h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-sub{
      margin:6px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.7;
      max-width: 66ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(20,35,55,.10);
      border-radius: var(--radius);
      box-shadow: 0 12px 28px rgba(18,33,63,.06);
      overflow:hidden;
    }
    .card-pad{padding:16px}
    .card-title{
      display:flex; align-items:center; gap:10px;
    }
    .chip{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(124,92,255,.22);
      background: rgba(124,92,255,.10);
      flex:0 0 auto;
    }
    .chip svg{width:16px; height:16px; color:#5b4bff}
    .card h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:10px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.65;
    }
    .list{
      margin:12px 0 0; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      background: rgba(255,255,255,.55);
      border:1px solid rgba(20,35,55,.08);
    }
    .check{
      width:20px; height:20px; border-radius:8px;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .check svg{width:12px; height:12px; color:#15803d}
    .list b{display:block; font-size:13.5px}
    .list span{display:block; font-size:12.5px; color:var(--muted); margin-top:3px; line-height:1.45}

    .timeline{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:14px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,35,55,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62));
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .step:hover{transform: translateY(-2px); box-shadow: 0 18px 35px rgba(18,33,63,.12); border-color: rgba(255,61,141,.22)}
    .step .num{
      display:inline-flex; align-items:center; justify-content:center;
      width:34px; height:34px; border-radius:14px;
      background: rgba(255,61,141,.12);
      border: 1px solid rgba(255,61,141,.22);
      font-weight:900; font-size:13px; color:#9f1239;
    }
    .step h3{margin:10px 0 0; font-size:15.5px}
    .step p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    .step::after{
      content:"";
      position:absolute; right:-40px; top:-40px; width:110px; height:110px;
      background: radial-gradient(circle at 30% 30%, rgba(124,92,255,.18), rgba(124,92,255,0) 60%);
      pointer-events:none;
    }

    .table-wrap{
      overflow:auto;
      border-radius: var(--radius);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(18,33,63,.06);
    }
    table{
      width:100%;
      min-width: 840px;
      border-collapse: separate;
      border-spacing: 0;
      font-size: 13.5px;
    }
    thead th{
      text-align:left;
      padding:14px 14px;
      background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(255,61,141,.12));
      border-bottom:1px solid rgba(20,35,55,.10);
      color:#223048;
      position:sticky; top:0;
      z-index:1;
    }
    tbody td{
      padding:12px 14px;
      border-bottom:1px solid rgba(20,35,55,.08);
      color:#243043;
      vertical-align:top;
    }
    tbody tr:hover td{background: rgba(124,92,255,.05)}
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.72);
      font-weight:700;
      font-size:12px;
      color:#253249;
      white-space:nowrap;
    }
    .tag.good{
      border-color: rgba(34,197,94,.25);
      background: rgba(34,197,94,.10);
      color:#14532d;
    }
    .tag.mid{
      border-color: rgba(245,158,11,.25);
      background: rgba(245,158,11,.10);
      color:#7c2d12;
    }
    .tag.low{
      border-color: rgba(255,61,141,.20);
      background: rgba(255,61,141,.08);
      color:#9f1239;
    }

    .compare-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .rating{
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .rating::before{
      content:"";
      position:absolute; right:-80px; top:-90px;
      width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(255,61,141,.22), rgba(255,61,141,0) 60%);
      pointer-events:none;
    }
    .rating .top{
      position:relative;
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
      margin-top:4px;
    }
    .star svg{width:18px; height:18px}
    .rating .score{
      text-align:right;
    }
    .rating .score b{
      font-size:30px; letter-spacing:-.8px;
    }
    .rating .score span{
      display:block; color:var(--muted); font-size:12.5px; margin-top:4px;
    }
    .rating .bar{
      margin-top:14px;
      display:flex; flex-direction:column; gap:10px;
      position:relative;
    }
    .bar-row{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      font-size:13px; color:#263248;
    }
    .bar-row .left{display:flex; align-items:center; gap:10px}
    .bar-row .meter{
      flex:1 1 auto; height:10px; border-radius:999px;
      background: rgba(20,35,55,.08);
      overflow:hidden;
      border:1px solid rgba(20,35,55,.08);
    }
    .bar-row .fill{
      height:100%;
      background: linear-gradient(90deg, rgba(124,92,255,.95), rgba(255,61,141,.95));
      border-radius:999px;
      width:0%;
      transition: width .7s cubic-bezier(.2,.8,.2,1);
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .faq{
      padding:12px;
      background: rgba(255,255,255,.74);
      border: 1px solid rgba(20,35,55,.10);
      border-radius: var(--radius);
      box-shadow: 0 12px 28px rgba(18,33,63,.05);
    }
    details.faq-item{
      border-radius:16px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.70);
      margin-top:10px;
      overflow:hidden;
    }
    details.faq-item:first-child{margin-top:0}
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:13px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      font-weight:780;
      color:#243043;
      font-size:14px;
      user-select:none;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .sum-icon{
      width:28px; height:28px; border-radius:12px;
      background: rgba(124,92,255,.10);
      border:1px solid rgba(124,92,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease, background .2s ease;
    }
    details[open].faq-item .sum-icon{transform: rotate(45deg); background: rgba(255,61,141,.10); border-color: rgba(255,61,141,.22)}
    .faq-answer{
      padding: 0 14px 14px;
      color:var(--muted);
      font-size: 13.5px;
      line-height:1.7;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .review::after{
      content:"";
      position:absolute; left:-60px; bottom:-80px; width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.16), rgba(6,182,212,0) 60%);
      pointer-events:none;
    }
    .review .row{
      position:relative;
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:38px; height:38px; border-radius:16px;
      background: linear-gradient(135deg, rgba(124,92,255,.22), rgba(255,61,141,.18));
      border: 1px solid rgba(124,92,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; color:#3b2fff;
      flex:0 0 auto;
    }
    .review h3{margin:12px 0 0; font-size:15.5px; position:relative}
    .review p{
      margin:10px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
      position:relative;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .case{
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
      position:relative;
      overflow:hidden;
    }
    .case::before{
      content:"";
      position:absolute; right:-80px; top:-90px;
      width:260px; height:260px;
      background: radial-gradient(circle at 30% 30%, rgba(245,158,11,.22), rgba(245,158,11,0) 60%);
      pointer-events:none;
    }
    .case .meta{
      display:flex; flex-wrap:wrap; gap:8px; position:relative;
    }
    .case .meta .tag{font-weight:800}
    .case h3{margin:0; font-size:15.5px; position:relative}
    .case p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7; position:relative}
    .case .foot{
      display:flex; align-items:center; justify-content:space-between; gap:10px; position:relative;
      margin-top:auto;
      padding-top:12px; border-top:1px solid rgba(20,35,55,.10);
    }
    .link{
      display:inline-flex; align-items:center; gap:8px;
      color:#2a3b57; font-weight:800; font-size:13px;
      padding:10px 12px; border-radius:14px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.6);
      transition: transform .15s ease, background .15s ease;
      cursor:pointer;
    }
    .link:hover{transform: translateY(-1px); background:#fff}

    .form{
      padding:16px;
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:10px;
    }
    .field{
      display:flex; flex-direction:column; gap:7px;
    }
    .field label{
      font-size:12.5px; color:#314156; font-weight:750;
    }
    .field input, .field select, .field textarea{
      border-radius:14px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.78);
      padding:12px 12px;
      font-size:14px;
      color:#1f2937;
      transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    .field input:focus, .field select:focus, .field textarea:focus{
      outline:none; box-shadow: var(--focus);
      border-color: rgba(124,92,255,.35);
      background:#fff;
    }
    textarea{min-height: 110px; resize: vertical}
    .span-2{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:4px;
    }
    .hint{
      color: var(--muted);
      font-size:12.5px;
      line-height:1.5;
      max-width: 60ch;
    }

    .label-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .cloud-item{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.75);
      font-size:13px;
      color:#243043;
      font-weight:700;
      transition: transform .15s ease, border-color .15s ease;
      user-select:none;
    }
    .cloud-item:hover{transform: translateY(-1px); border-color: rgba(124,92,255,.25)}
    .mini-gallery{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .img-card{
      border-radius: var(--radius);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      box-shadow: 0 12px 28px rgba(18,33,63,.05);
    }
    .img-frame{
      padding:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .img-frame img{
      width:100%;
      height:auto;
      max-width:100%;
      object-fit:contain;
      border-radius:16px;
      border:1px solid rgba(20,35,55,.08);
      background: #fff;
    }
    .img-frame b{font-size:14px}
    .img-frame span{color:var(--muted); font-size:12.5px; line-height:1.55}

    footer{
      padding: 18px 0 26px;
      border-top:1px solid rgba(20,35,55,.08);
      background:
        radial-gradient(700px 360px at 15% 0%, rgba(124,92,255,.14) 0%, rgba(124,92,255,0) 55%),
        radial-gradient(600px 360px at 85% 0%, rgba(255,61,141,.12) 0%, rgba(255,61,141,0) 55%),
        rgba(255,255,255,.68);
    }
    .footer-wrap{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(18,33,63,.06);
    }
    .footer-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
    }
    .footer-top .left b{font-size:16px}
    .footer-top .left p{margin:8px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .footer-links{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .footer-links a{
      font-size:13px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.70);
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .footer-links a:hover{transform: translateY(-1px); background:#fff; border-color: rgba(124,92,255,.25)}
    .footer-ct{
      display:flex; flex-direction:column; gap:12px;
    }
    .kefu{
      display:flex; gap:12px; align-items:center;
    }
    .kefu img{
      width:86px; height:auto; border-radius:18px;
      border:1px solid rgba(20,35,55,.10);
      background:#fff;
    }
    .kefu b{font-size:14.5px}
    .kefu span{display:block; margin-top:6px; color:var(--muted); font-size:12.8px; line-height:1.55}
    .copyright{
      margin-top:12px;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }
    .social-row{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }

    .float-kefu{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index:100;
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
      pointer-events:none;
    }
    .float-kefu .btn{
      pointer-events:auto;
      padding:11px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.78);
    }
    .float-pop{
      pointer-events:auto;
      width: 240px;
      border-radius: 18px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 45px rgba(18,33,63,.14);
      overflow:hidden;
      transform-origin: 100% 100%;
      opacity:0; transform: scale(.98) translateY(6px);
      transition: opacity .18s ease, transform .18s ease;
    }
    .float-pop.show{
      opacity:1; transform: scale(1) translateY(0);
    }
    .float-pop .pop-inner{
      padding:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .pop-inner .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .close-x{
      width:30px; height:30px;
      border-radius:12px;
      border:1px solid rgba(20,35,55,.10);
      background: rgba(255,255,255,.65);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, background .15s ease;
    }
    .close-x:hover{transform: translateY(-1px); background:#fff}
    .float-pop img{
      width: 100%;
      height:auto;
      border-radius:16px;
      border:1px solid rgba(20,35,55,.08);
      background:#fff;
    }
    .pop-inner b{font-size:14px}
    .pop-inner .small{color:var(--muted); font-size:12.8px; line-height:1.55}

    .to-top{
      width:44px; height:44px; border-radius:18px;
      border:1px solid rgba(20,35,55,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 35px rgba(18,33,63,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease;
      pointer-events:auto;
    }
    .to-top:hover{transform: translateY(-2px); background:#fff}
    .to-top svg{width:18px; height:18px; color:#2a3b57}

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-inner, .side-inner{min-height: unset}
      h1{font-size: 30px}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .timeline{grid-template-columns: repeat(2, 1fr)}
      .faq-grid{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .compare-wrap{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .footer-wrap{grid-template-columns: 1fr}
      form{grid-template-columns: 1fr}
      .menu-btn{display:inline-flex}
      .nav-links{display:none}
      .menu-panel{display:block}
      nav{gap:8px}
    }