:root{
      --bg0:#f6f3ff;
      --bg1:#ffffff;
      --text:#1f2430;
      --muted:#5c6476;
      --line:rgba(20,28,45,.10);
      --card:#ffffff;
      --accent:#7b2cff;
      --accent2:#ff3f7a;
      --accent3:#00b3ff;
      --shadow: 0 18px 45px rgba(21, 17, 61, .10);
      --shadow2: 0 10px 25px rgba(21, 17, 61, .10);
      --radius:18px;
      --radius2:14px;
      --container: 1120px;
      --pad: 18px;
      --focus: 0 0 0 4px rgba(123,44,255,.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, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 20% -10%, rgba(123,44,255,.20), transparent 55%),
        radial-gradient(900px 500px at 90% 0%, rgba(255,63,122,.18), transparent 55%),
        radial-gradient(900px 500px at 30% 85%, rgba(0,179,255,.12), transparent 55%),
        linear-gradient(180deg, #fbf8ff 0%, #ffffff 35%, #fbfbff 100%);
    }
    a{color:inherit; text-decoration:none}
    button, input, select, textarea{font:inherit}
    .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:16px; top:16px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:10px; z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.70);
      border-bottom: 1px solid rgba(20,28,45,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 220px;
    }
    .ai-page-logo{
      width:44px; height:44px; object-fit:contain;
      filter: drop-shadow(0 8px 18px rgba(123,44,255,.18));
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{font-size:15px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    .navlinks{
      display:flex; align-items:center; gap:18px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .navlinks a{
      font-size:13px; color:rgba(31,36,48,.86);
      padding:10px 10px; border-radius:12px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      position:relative;
    }
    .navlinks a:hover{background: rgba(123,44,255,.08); color:var(--text); transform: translateY(-1px);}
    .nav-cta{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:flex-end;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:10px 14px; border-radius:14px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.80);
      color:var(--text);
      box-shadow: 0 8px 18px rgba(20,28,45,.06);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow: var(--focus), 0 8px 18px rgba(20,28,45,.06);}
    .btn:hover{transform: translateY(-1px); box-shadow: 0 12px 24px rgba(20,28,45,.10);}
    .btn.primary{
      border-color: rgba(123,44,255,.35);
      background: linear-gradient(135deg, rgba(123,44,255,.95) 0%, rgba(255,63,122,.95) 100%);
      color:#fff;
      box-shadow: 0 16px 30px rgba(123,44,255,.22);
    }
    .btn.primary:hover{
      box-shadow: 0 20px 36px rgba(123,44,255,.28);
    }
    .btn .dot{
      width:10px; height:10px; border-radius:50%;
      background: rgba(255,255,255,.85);
      box-shadow: 0 0 0 3px rgba(255,255,255,.18);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .menu-btn{
      display:none;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,28,45,.12);
      background:#fff;
      box-shadow: 0 8px 18px rgba(20,28,45,.06);
      cursor:pointer;
    }
    .menu-btn:focus{outline:none; box-shadow: var(--focus), 0 8px 18px rgba(20,28,45,.06);}
    .hamburger{
      width:18px; height:14px; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px;
      background: rgba(31,36,48,.86);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:6px}
    .hamburger span:nth-child(3){top:12px}
    .menu-open .hamburger span:nth-child(1){top:6px; transform: rotate(45deg)}
    .menu-open .hamburger span:nth-child(2){opacity:0}
    .menu-open .hamburger span:nth-child(3){top:6px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      border-top: 1px solid rgba(20,28,45,.08);
      padding:10px 0 14px;
    }
    .mobile-panel .stack{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-panel a{
      padding:12px 12px;
      border:1px solid rgba(20,28,45,.10);
      border-radius:14px;
      background: rgba(255,255,255,.75);
      color: rgba(31,36,48,.92);
      font-size:13px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      box-shadow: 0 10px 20px rgba(20,28,45,.05);
    }
    .mobile-panel a:hover{transform: translateY(-1px); border-color: rgba(123,44,255,.25)}
    .mobile-panel .cta-row{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px; margin-top:10px;
    }

    .hero{
      padding: 28px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      padding:26px 0 10px;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(123,44,255,.25);
      background: linear-gradient(180deg, rgba(123,44,255,.10), rgba(255,63,122,.06));
      color: rgba(31,36,48,.92);
      font-size:13px;
      box-shadow: 0 10px 25px rgba(123,44,255,.10);
    }
    .kicker b{
      color: var(--accent);
      font-weight:800;
      letter-spacing:.3px;
    }
    h1{
      margin:14px 0 10px;
      font-size: clamp(24px, 3.2vw, 40px);
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .hero-sub{
      margin:0;
      color: var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      margin-top:18px;
    }
    .hero-meta{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:16px;
      color: rgba(31,36,48,.86);
      font-size:13px;
    }
    .meta-chip{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border:1px solid rgba(20,28,45,.10);
      border-radius:16px;
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 25px rgba(20,28,45,.05);
    }
    .meta-ico{
      width:34px; height:34px; border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(123,44,255,.18), rgba(255,63,122,.14));
      border:1px solid rgba(123,44,255,.22);
    }
    .hero-right{
      position:relative;
      border-radius: var(--radius);
      background:
        radial-gradient(900px 420px at 18% -10%, rgba(123,44,255,.28), transparent 60%),
        radial-gradient(520px 340px at 92% 22%, rgba(255,63,122,.22), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.72) 100%);
      border: 1px solid rgba(20,28,45,.10);
      box-shadow: var(--shadow2);
      overflow:hidden;
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .hero-right:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(90deg, rgba(123,44,255,.22), transparent 35%),
        linear-gradient(180deg, rgba(0,179,255,.16), transparent 40%);
      opacity:.45;
      pointer-events:none;
    }
    .hero-right > *{position:relative; z-index:1;}
    .data-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .stat{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,28,45,.10);
      border-radius:16px;
      padding:14px 14px;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .stat:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 35px rgba(20,28,45,.10);
      border-color: rgba(123,44,255,.25);
    }
    .stat .num{
      font-size:20px; font-weight:900; letter-spacing:-.3px;
      display:flex; align-items:baseline; gap:8px;
    }
    .stat .num span{
      font-size:12px; font-weight:700; color: rgba(31,36,48,.70);
      background: rgba(123,44,255,.10);
      border:1px solid rgba(123,44,255,.22);
      padding:4px 8px; border-radius:999px;
    }
    .stat p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }
    .assist-card{
      background: rgba(255,255,255,.80);
      border:1px solid rgba(20,28,45,.10);
      border-radius:16px;
      padding:14px 14px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .assist-badge{
      width:44px; height:44px; border-radius:16px;
      background: linear-gradient(135deg, rgba(123,44,255,.20), rgba(0,179,255,.16));
      border: 1px solid rgba(123,44,255,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 28px rgba(123,44,255,.14);
      flex:0 0 auto;
    }
    .assist-card h3{
      margin:0;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .assist-card p{
      margin:6px 0 0;
      color: var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .pill-row{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:10px;
    }
    .pill{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.76);
      color: rgba(31,36,48,.86);
      white-space:nowrap;
    }
    .pill strong{color: var(--accent)}

    .section{
      padding: 26px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-title{
      display:flex; flex-direction:column; gap:8px;
    }
    h2{
      margin:0;
      font-size: clamp(18px, 2.2vw, 26px);
      letter-spacing:-.4px;
    }
    .section-desc{
      margin:0;
      color: var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width: 70ch;
    }
    .anchor-hint{
      color: rgba(31,36,48,.68);
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px dashed rgba(20,28,45,.14);
      background: rgba(255,255,255,.55);
      white-space:nowrap;
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-4{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.86);
      border:1px solid rgba(20,28,45,.10);
      border-radius: var(--radius2);
      box-shadow: 0 12px 28px rgba(20,28,45,.05);
      padding:16px;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(20,28,45,.10);
      border-color: rgba(123,44,255,.22);
      background: rgba(255,255,255,.94);
    }
    .card .tag{
      display:inline-flex; align-items:center; gap:8px;
      font-size:12px; color: rgba(31,36,48,.86);
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(123,44,255,.18);
      background: linear-gradient(180deg, rgba(123,44,255,.10), rgba(255,63,122,.06));
    }
    .card h3{
      margin:12px 0 6px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .card .list{
      margin:10px 0 0; padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:8px;
    }
    .card .list li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(31,36,48,.90);
      font-size:13px;
      line-height:1.5;
    }
    .check{
      width:18px; height:18px; flex:0 0 auto; border-radius:6px;
      background: rgba(123,44,255,.14);
      border:1px solid rgba(123,44,255,.22);
      display:flex; align-items:center; justify-content:center;
      margin-top:1px;
    }

    .split{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .steps{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 28px rgba(20,28,45,.05);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .step:hover{transform: translateY(-2px); box-shadow: 0 18px 38px rgba(20,28,45,.09); border-color: rgba(0,179,255,.22);}
    .step-num{
      width:40px; height:40px; border-radius:16px;
      background: linear-gradient(135deg, rgba(0,179,255,.16), rgba(123,44,255,.16));
      border:1px solid rgba(0,179,255,.24);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(31,36,48,.95);
      flex:0 0 auto;
    }
    .step h3{margin:0; font-size:15px;}
    .step p{margin:6px 0 0; color: var(--muted); font-size:13px; line-height:1.7;}

    .compare-wrap{
      border-radius: var(--radius);
      border: 1px solid rgba(20,28,45,.10);
      background:
        radial-gradient(900px 400px at 12% 0%, rgba(123,44,255,.18), transparent 55%),
        radial-gradient(700px 320px at 95% 15%, rgba(255,63,122,.14), transparent 50%),
        rgba(255,255,255,.78);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .compare-top{
      padding:16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .rating{
      display:flex; gap:10px; align-items:center;
      padding:10px 12px; border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.72);
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      fill: rgba(255,63,122,.95);
      filter: drop-shadow(0 10px 16px rgba(255,63,122,.20));
    }
    .rating .score{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .rating .score strong{font-size:18px; letter-spacing:-.3px}
    .rating .score span{font-size:12px; color:var(--muted)}
    .compare-table{
      width:100%;
      border-collapse:collapse;
      background: rgba(255,255,255,.86);
    }
    .compare-table th, .compare-table td{
      border-top:1px solid rgba(20,28,45,.08);
      border-right:1px solid rgba(20,28,45,.06);
      padding:12px 12px;
      text-align:left;
      vertical-align:top;
      font-size:13px;
      color: rgba(31,36,48,.92);
    }
    .compare-table th:last-child, .compare-table td:last-child{border-right:none}
    .compare-table thead th{
      background: linear-gradient(180deg, rgba(123,44,255,.10), rgba(255,255,255,.60));
      font-weight:800;
      color: rgba(31,36,48,.95);
    }
    .badge-good{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(0,179,255,.22);
      background: rgba(0,179,255,.10);
      color: rgba(31,36,48,.95);
      font-weight:700;
      white-space:nowrap;
    }
    .badge-warn{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,63,122,.22);
      background: rgba(255,63,122,.10);
      color: rgba(31,36,48,.95);
      font-weight:700;
      white-space:nowrap;
    }
    .tiny-muted{color:var(--muted); font-size:12px; line-height:1.6; margin-top:6px}

    .table-wrap{overflow:auto; -webkit-overflow-scrolling: touch;}
    .table-wrap::-webkit-scrollbar{height:10px}
    .table-wrap::-webkit-scrollbar-thumb{background: rgba(123,44,255,.22); border-radius:999px}

    .faq{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .faq-item{
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.84);
      box-shadow: 0 12px 28px rgba(20,28,45,.05);
      overflow:hidden;
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    .faq-item:hover{border-color: rgba(123,44,255,.22); transform: translateY(-1px); box-shadow: 0 18px 38px rgba(20,28,45,.08);}
    details.faq-item{
      padding:0;
    }
    details.faq-item summary{
      cursor:pointer;
      list-style:none;
      padding:14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .q{
      font-weight:800;
      letter-spacing:-.2px;
      font-size:14px;
      line-height:1.4;
    }
    .chev{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.70);
      flex:0 0 auto;
      transition: transform .2s ease, border-color .2s ease;
      margin-top:-2px;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(123,44,255,.22)}
    .a{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .reviews{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .review{
      padding:16px;
    }
    .review-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:44px; height:44px; border-radius:18px;
      background: linear-gradient(135deg, rgba(123,44,255,.18), rgba(0,179,255,.16));
      border:1px solid rgba(123,44,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(31,36,48,.92);
      box-shadow: 0 16px 28px rgba(123,44,255,.12);
      flex:0 0 auto;
    }
    .review .who{
      display:flex; flex-direction:column; gap:3px;
    }
    .review .who strong{font-size:14px}
    .review .who span{font-size:12px; color:var(--muted)}
    .review .quote{
      margin:10px 0 0;
      color: rgba(31,36,48,.90);
      font-size:13px;
      line-height:1.7;
    }

    .logo-grid{
      display:grid; grid-template-columns: repeat(6, 1fr);
      gap:10px;
      margin-top:12px;
    }
    .logo-bubble{
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.78);
      padding:12px 10px;
      text-align:center;
      font-size:12px;
      color: rgba(31,36,48,.88);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      box-shadow: 0 10px 20px rgba(20,28,45,.05);
    }
    .logo-bubble strong{color:var(--accent)}
    .case-grid{
      display:grid; grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
    }
    .case{
      padding:16px;
      display:flex; flex-direction:column; gap:10px;
    }
    .case-visual{
      height:84px;
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background:
        radial-gradient(120px 60px at 20% 30%, rgba(123,44,255,.28), transparent 60%),
        radial-gradient(140px 70px at 80% 40%, rgba(255,63,122,.22), transparent 65%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.55));
      position:relative;
      overflow:hidden;
    }
    .case-visual:after{
      content:"";
      position:absolute; inset:-40px;
      background: conic-gradient(from 180deg, rgba(123,44,255,.25), rgba(0,179,255,.18), rgba(255,63,122,.20), rgba(123,44,255,.25));
      opacity:.25;
      transform: rotate(10deg);
    }
    .case h3{margin:0; font-size:15px;}
    .case p{margin:0; color:var(--muted); font-size:13px; line-height:1.7;}
    .case .chips{display:flex; flex-wrap:wrap; gap:8px; margin-top:2px}
    .chip{
      font-size:12px; padding:7px 10px; border-radius:999px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.72);
      color: rgba(31,36,48,.86);
    }

    .article-grid{
      display:grid; grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:start;
    }
    .articles{
      padding:16px;
    }
    .article-list{
      list-style:none; padding:0; margin:12px 0 0;
      display:flex; flex-direction:column; gap:10px;
    }
    .article-item{
      display:flex; align-items:flex-start; justify-content:space-between;
      gap:12px;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.78);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .article-item:hover{transform: translateY(-2px); border-color: rgba(123,44,255,.22); box-shadow: 0 18px 38px rgba(20,28,45,.08);}
    .article-item strong{
      font-size:14px; line-height:1.4;
    }
    .article-item span{
      display:block; margin-top:6px;
      font-size:12px; color:var(--muted); line-height:1.5;
    }
    .article-item a{
      color: rgba(123,44,255,.95);
      font-weight:800;
      font-size:13px;
      padding:8px 10px;
      border-radius:14px;
      border:1px solid rgba(123,44,255,.20);
      background: rgba(123,44,255,.08);
      white-space:nowrap;
      transition: transform .2s ease, background .2s ease;
      flex:0 0 auto;
      margin-top:2px;
    }
    .article-item a:hover{transform: translateY(-1px); background: rgba(123,44,255,.12)}
    .news-side{
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
    }
    .topic{
      padding:14px;
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.82);
    }
    .topic h3{margin:0; font-size:15px;}
    .topic p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.7;}
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:10px;
    }

    .timeline{
      padding:16px;
    }
    .timeline .row{
      display:grid; grid-template-columns: 1fr;
      gap:10px;
      margin-top:12px;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.80);
    }
    .time-dot{
      width:12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, rgba(123,44,255,.95), rgba(255,63,122,.95));
      margin-top:6px;
      box-shadow: 0 0 0 4px rgba(123,44,255,.14);
      flex:0 0 auto;
    }
    .time-item strong{font-size:14px;}
    .time-item p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.7;}

    form{
      display:flex; flex-direction:column; gap:10px; margin-top:10px;
    }
    .form-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .field{
      display:flex; flex-direction:column; gap:6px;
    }
    label{
      font-size:12px;
      color: rgba(31,36,48,.82);
      font-weight:700;
      letter-spacing:.2px;
    }
    input, select, textarea{
      border:1px solid rgba(20,28,45,.12);
      background: rgba(255,255,255,.86);
      border-radius:14px;
      padding:11px 12px;
      color: var(--text);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    textarea{min-height:108px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      outline:none;
      border-color: rgba(123,44,255,.35);
      box-shadow: var(--focus);
      background:#fff;
    }
    .form-actions{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
      margin-top:2px;
    }
    .hint{
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      flex:1 1 auto;
      min-width: 220px;
    }
    .notice{
      border-radius:16px;
      border:1px dashed rgba(20,28,45,.16);
      background: rgba(255,255,255,.62);
      padding:12px 12px;
      color: rgba(31,36,48,.82);
      font-size:12px;
      line-height:1.7;
    }

    .footer{
      padding: 22px 0 30px;
      margin-top: 10px;
      background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.82));
      border-top: 1px solid rgba(20,28,45,.08);
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius);
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 12px 28px rgba(20,28,45,.05);
      padding:16px;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .foot-brand .logo{
      width:48px; height:48px; border-radius:18px;
      border:1px solid rgba(20,28,45,.10);
      background: linear-gradient(135deg, rgba(123,44,255,.18), rgba(0,179,255,.14));
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
      box-shadow: 0 16px 28px rgba(123,44,255,.12);
      flex:0 0 auto;
    }
    .foot-brand img{width:38px; height:38px; object-fit:contain}
    .foot-brand strong{font-size:15px}
    .foot-brand p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.7}
    .foot-links{
      display:flex; flex-direction:column; gap:10px; margin-top:12px;
    }
    .foot-links .row{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .link-pill{
      padding:9px 11px; border-radius:999px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.78);
      font-size:12px;
      color: rgba(31,36,48,.92);
      transition: transform .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .link-pill:hover{transform: translateY(-1px); border-color: rgba(123,44,255,.22)}
    .fine{
      margin-top:14px;
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      color: rgba(31,36,48,.70);
      font-size:12px;
    }
    .fine a{color: rgba(123,44,255,.95); font-weight:800}
    .kefu-float{
      position:fixed;
      right:14px; bottom:14px;
      z-index:60;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .kefu-btn{
      pointer-events:auto;
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 20px 45px rgba(20,28,45,.18);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .kefu-btn:hover{transform: translateY(-2px); border-color: rgba(123,44,255,.22); box-shadow: 0 25px 55px rgba(20,28,45,.22);}
    .kefu-btn:focus{outline:none; box-shadow: var(--focus), 0 20px 45px rgba(20,28,45,.18);}
    .kefu-qr{
      pointer-events:auto;
      width:200px;
      border-radius:20px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.92);
      box-shadow: 0 26px 60px rgba(20,28,45,.22);
      overflow:hidden;
      transform-origin: right bottom;
      transform: translateY(10px) scale(.98);
      opacity:0;
      transition: transform .2s ease, opacity .2s ease;
      display:none;
    }
    .kefu-qr.open{
      display:block;
      opacity:1;
      transform: translateY(0) scale(1);
    }
    .kefu-qr .top{
      padding:12px 12px 10px;
      border-bottom:1px solid rgba(20,28,45,.08);
      background: linear-gradient(180deg, rgba(123,44,255,.10), rgba(255,255,255,.80));
    }
    .kefu-qr .top strong{font-size:13px}
    .kefu-qr img{
      width:100%;
      height:auto;
      display:block;
    }

    .toast{
      position:fixed;
      left:50%; bottom:18px;
      transform: translateX(-50%);
      z-index:80;
      background: rgba(31,36,48,.92);
      color:#fff;
      padding:12px 14px;
      border-radius:16px;
      box-shadow: 0 26px 70px rgba(0,0,0,.25);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      font-size:13px;
      max-width: calc(100vw - 24px);
      text-align:center;
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(-6px);
    }

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

    .backtop{
      position:fixed;
      left:14px; bottom:14px;
      z-index:60;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,28,45,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 20px 45px rgba(20,28,45,.16);
      cursor:pointer;
      transition: transform .2s ease, opacity .2s ease;
      opacity:0;
      pointer-events:none;
    }
    .backtop.show{
      opacity:1; pointer-events:auto;
    }
    .backtop:hover{transform: translateY(-2px); border-color: rgba(123,44,255,.22)}

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-right{padding:16px}
      .grid-3{grid-template-columns: 1fr 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .split{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr 1fr}
      .case-grid{grid-template-columns: 1fr}
      .article-grid{grid-template-columns: 1fr}
      .faq{grid-template-columns: 1fr}
      .logo-grid{grid-template-columns: repeat(3, 1fr)}
      .footer-grid{grid-template-columns: 1fr}
      .navlinks{display:none}
      .menu-btn{display:inline-flex; align-items:center; gap:10px}
      .mobile-panel{display:none}
      .mobile-panel.open{display:block}
      .mobile-panel .cta-row{grid-template-columns: 1fr}
    }
    @media (max-width: 520px){
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .kefu-qr{width: 180px}
      .brand{min-width: auto}
      .brand-title span{display:none}
      .hero-left{padding-top:16px}
    }