:root{
      --bg0:#ffffff;
      --bg1:#fbf6ff;
      --bg2:#f7fbff;
      --text:#111827;
      --muted:#4b5563;
      --muted2:#6b7280;
      --line:rgba(17,24,39,.10);
      --shadow: 0 14px 40px rgba(17,24,39,.10);
      --shadow2: 0 10px 26px rgba(17,24,39,.10);
      --radius:16px;
      --radius2:22px;
      --brand:#6d28d9;
      --brand2:#db2777;
      --brand3:#2563eb;
      --accent:#f43f5e;
      --ok:#059669;
      --warn:#f59e0b;
      --chipbg: rgba(109,40,217,.10);
      --chipbd: rgba(109,40,217,.20);
      --btn:#111827;
      --btnText:#fff;
      --focus: 0 0 0 4px rgba(37,99,235,.18);
      --container: 1140px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 10% -10%, rgba(219,39,119,.16), transparent 55%),
        radial-gradient(900px 600px at 85% 5%, rgba(37,99,235,.14), transparent 50%),
        linear-gradient(180deg, var(--bg1), var(--bg0) 35%, #fff 60%, #fbfbfe 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    img{display:block; max-width:100%; height:auto}
    .container{
      width: min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .topbar-inner{
      height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .brand{
      display:flex; align-items:center; gap:12px;
      min-width: 220px;
    }
    .ai-page-logo{
      width:40px;
      height:40px;
      border-radius:12px;
      box-shadow: 0 10px 20px rgba(109,40,217,.18);
      background:#fff;
      padding:6px;
      border:1px solid rgba(17,24,39,.08);
      object-fit:contain;
    }
    .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(--muted2);
      margin-top:3px;
    }

    .nav{
      display:flex; align-items:center; gap:16px;
      flex:1;
      justify-content:center;
    }
    .nav a{
      font-size:14px;
      color:rgba(17,24,39,.78);
      padding:10px 10px;
      border-radius:12px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav a:hover{
      background: rgba(219,39,119,.10);
      color:var(--text);
      transform: translateY(-1px);
    }
    .nav a.active{
      background: rgba(109,40,217,.12);
      color:var(--brand);
      border:1px solid rgba(109,40,217,.18);
    }

    .top-actions{
      display:flex; align-items:center; gap:12px;
      min-width: 240px;
      justify-content:flex-end;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      color:var(--text);
      font-weight:650;
      font-size:14px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(17,24,39,.10);
      border-color: rgba(17,24,39,.18);
    }
    .btn-primary{
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 52%, var(--accent) 100%);
      border-color: rgba(255,255,255,.18);
      color:#fff;
      box-shadow: 0 18px 40px rgba(109,40,217,.24);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 50px rgba(109,40,217,.28);
    }
    .btn-ghost{
      background: rgba(109,40,217,.06);
      border-color: rgba(109,40,217,.18);
      color:var(--brand);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }

    .mobile-toggle{
      display:none;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      cursor:pointer;
    }
    .mobile-drawer{
      display:none;
    }

    main{padding-bottom:30px}

    .hero{
      position:relative;
      padding: 46px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius2);
      background:
        linear-gradient(135deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.78) 45%, rgba(255,255,255,.92) 100%);
      border:1px solid rgba(17,24,39,.10);
      box-shadow: var(--shadow);
      padding: 26px;
      overflow:hidden;
      position:relative;
    }
    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(800px 350px at 20% 10%, rgba(109,40,217,.22), transparent 52%),
        radial-gradient(600px 280px at 85% 20%, rgba(219,39,119,.20), transparent 48%),
        radial-gradient(500px 260px at 60% 95%, rgba(37,99,235,.16), transparent 45%);
      pointer-events:none;
    }
    .hero-inner{position:relative; z-index:1}
    .kicker{
      display:flex; gap:10px; align-items:center;
      flex-wrap:wrap;
      margin-bottom:12px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(219,39,119,.10);
      border:1px solid rgba(219,39,119,.22);
      color:#9d174d;
      font-weight:700;
      font-size:12px;
    }
    .pill svg{width:16px; height:16px}
    .kicker .meta{
      font-size:13px;
      color:rgba(17,24,39,.75);
      font-weight:600;
    }
    h1{
      margin:0;
      font-size: clamp(26px, 3.2vw, 44px);
      line-height:1.10;
      letter-spacing:-.6px;
    }
    .lead{
      margin-top:14px;
      font-size:16px;
      line-height:1.7;
      color: rgba(17,24,39,.78);
      max-width: 62ch;
    }
    .hero-cta{
      margin-top:18px;
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
    }
    .trust-row{
      margin-top:18px;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
    }
    .trust{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      backdrop-filter: blur(6px);
    }
    .trust b{
      font-size:13px;
    }
    .trust span{
      color: var(--muted2);
      font-size:12px;
      margin-top:2px;
      display:block;
    }
    .trust .dot{
      width:12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 10px 20px rgba(109,40,217,.25);
    }

    .hero-side{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-card{
      border-radius: var(--radius2);
      background: linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.74));
      border:1px solid rgba(17,24,39,.10);
      box-shadow: 0 14px 36px rgba(17,24,39,.08);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .side-card.alt{
      background: linear-gradient(135deg, rgba(109,40,217,.11) 0%, rgba(219,39,119,.10) 45%, rgba(37,99,235,.10) 100%);
      border-color: rgba(109,40,217,.20);
    }
    .side-title{
      display:flex; align-items:center; justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .side-title h2{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
      color: rgba(17,24,39,.84);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(17,24,39,.05);
      border:1px solid rgba(17,24,39,.10);
      font-weight:800;
      font-size:12px;
      color: rgba(17,24,39,.80);
      white-space:nowrap;
    }
    .side-list{
      display:grid;
      grid-template-columns:1fr;
      gap:10px;
    }
    .side-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .side-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(17,24,39,.10);
      border-color: rgba(109,40,217,.22);
    }
    .side-item .mark{
      width:30px; height:30px;
      border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(109,40,217,.12);
      border:1px solid rgba(109,40,217,.20);
      color: var(--brand);
      flex:0 0 auto;
    }
    .side-item b{font-size:13px}
    .side-item p{margin:3px 0 0; font-size:12px; color: var(--muted2); line-height:1.5}

    .section{
      padding: 36px 0;
    }
    .section-header{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    .section-header h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-header p{
      margin:0;
      color: var(--muted2);
      font-size:14px;
      line-height:1.7;
      max-width: 62ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .card{
      background: rgba(255,255,255,.80);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      padding:16px;
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 46px rgba(17,24,39,.10);
      border-color: rgba(109,40,217,.22);
    }
    .card .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .card .top b{
      font-size:14px;
      letter-spacing:.1px;
    }
    .spark{
      width:36px; height:36px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(135deg, rgba(109,40,217,.14), rgba(219,39,119,.12));
      color: var(--brand);
      flex:0 0 auto;
    }
    .card p{
      margin:0;
      color: var(--muted2);
      font-size:13px;
      line-height:1.7;
    }

    .metrics{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:stretch;
    }
    .metric-left{
      padding:18px;
      border-radius: var(--radius2);
      background: linear-gradient(135deg, rgba(255,255,255,.88), rgba(255,255,255,.70));
      border:1px solid rgba(17,24,39,.10);
      box-shadow: 0 18px 52px rgba(17,24,39,.08);
      position:relative;
      overflow:hidden;
    }
    .metric-left:after{
      content:"";
      position:absolute;
      inset:-60px -80px auto auto;
      width:220px; height:220px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(219,39,119,.20), transparent 55%);
      transform: rotate(12deg);
      pointer-events:none;
    }
    .metric-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:12px;
      position:relative; z-index:1;
    }
    .metric-title h3{margin:0; font-size:16px}
    .subnote{color:var(--muted2); font-size:13px; margin:0; line-height:1.6; position:relative; z-index:1}
    .metric-grid{
      margin-top:14px;
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:12px;
      position:relative; z-index:1;
    }
    .metric{
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      padding:14px;
      transition: transform .2s ease, border-color .2s ease;
      min-height: 92px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .metric:hover{transform: translateY(-2px); border-color: rgba(219,39,119,.22)}
    .metric b{
      font-size:24px;
      letter-spacing:-.5px;
    }
    .metric span{
      font-size:12px;
      color: var(--muted2);
      line-height:1.5;
      margin-top:6px;
    }

    .metric-right{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.10), rgba(37,99,235,.08) 55%, rgba(255,255,255,.72) 100%);
      box-shadow: 0 18px 52px rgba(17,24,39,.08);
      padding:18px;
    }
    .cap-list{display:grid; gap:10px; margin-top:10px}
    .cap{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
    }
    .cap .ic{
      width:34px; height:34px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.86);
      color: var(--brand3);
      flex:0 0 auto;
    }
    .cap b{font-size:13px}
    .cap p{margin:3px 0 0; font-size:12px; color: var(--muted2); line-height:1.6}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.82);
      border:1px solid rgba(17,24,39,.10);
      position:relative;
      overflow:hidden;
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
      min-height: 170px;
      display:flex; flex-direction:column;
      gap:10px;
    }
    .step .n{
      width:40px; height:40px;
      border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(109,40,217,.16), rgba(219,39,119,.12));
      border:1px solid rgba(109,40,217,.20);
      color: var(--brand);
      font-weight:900;
      font-size:14px;
    }
    .step b{font-size:14px}
    .step p{margin:0; color: var(--muted2); font-size:13px; line-height:1.7}
    .step:after{
      content:"";
      position:absolute;
      inset:auto -30px -30px auto;
      width:120px; height:120px;
      background: radial-gradient(circle at 30% 30%, rgba(37,99,235,.14), transparent 60%);
      pointer-events:none;
    }

    .compare-wrap{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.82);
      border:1px solid rgba(17,24,39,.10);
      box-shadow: 0 18px 52px rgba(17,24,39,.08);
      overflow:hidden;
    }
    .compare-head{
      padding:18px;
      background:
        linear-gradient(135deg, rgba(109,40,217,.12), rgba(219,39,119,.10) 50%, rgba(37,99,235,.10));
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
    }
    .rating{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.76);
    }
    .stars svg{width:18px; height:18px}
    .rating .score{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .rating .score b{font-size:26px; letter-spacing:-.5px}
    .rating .score span{font-size:12px; color: var(--muted2); margin-top:6px}
    table{
      width:100%;
      border-collapse: collapse;
      background:#fff;
    }
    th,td{
      padding:14px 12px;
      border-top:1px solid rgba(17,24,39,.08);
      border-right:1px solid rgba(17,24,39,.08);
      vertical-align:top;
      font-size:13px;
      line-height:1.7;
    }
    th:last-child, td:last-child{border-right:none}
    th{
      background: rgba(17,24,39,.03);
      color: rgba(17,24,39,.85);
      text-align:left;
      font-size:13px;
      font-weight:800;
      width: 20%;
    }
    td:first-child{color: rgba(17,24,39,.86); font-weight:750; width:20%}
    td .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(109,40,217,.10);
      border:1px solid rgba(109,40,217,.18);
      color: var(--brand);
      font-weight:900;
      font-size:12px;
      margin-bottom:8px;
      white-space:nowrap;
    }
    .tag.hot{
      background: rgba(219,39,119,.10);
      border-color: rgba(219,39,119,.20);
      color:#9d174d;
    }
    .checklist{
      margin:0; padding-left:0; list-style:none;
      display:grid; gap:8px;
    }
    .checklist li{
      display:flex; gap:10px; align-items:flex-start;
      color: var(--muted2);
    }
    .checklist .ok{
      width:18px; height:18px; border-radius:6px;
      background: rgba(5,150,105,.12);
      border:1px solid rgba(5,150,105,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color: var(--ok);
      margin-top:1px;
    }
    .checklist .no{
      width:18px; height:18px; border-radius:6px;
      background: rgba(245,158,11,.12);
      border:1px solid rgba(245,158,11,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color: var(--warn);
      margin-top:1px;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .list-cards{
      display:grid; gap:12px;
    }
    .list-row{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .list-row:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(17,24,39,.10);
      border-color: rgba(219,39,119,.22);
    }
    .list-row .mark{
      width:40px; height:40px;
      border-radius:16px;
      background: linear-gradient(135deg, rgba(219,39,119,.14), rgba(109,40,217,.12));
      border:1px solid rgba(219,39,119,.20);
      color: var(--accent);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .list-row b{font-size:14px}
    .list-row p{margin:4px 0 0; color: var(--muted2); font-size:13px; line-height:1.7}

    .form-card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.76));
      box-shadow: 0 18px 52px rgba(17,24,39,.08);
      padding:18px;
    }
    form .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      display:block;
      font-size:12px;
      color: rgba(17,24,39,.78);
      font-weight:800;
      margin-bottom:8px;
    }
    input,select,textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      font-size:14px;
      color:var(--text);
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease;
    }
    textarea{min-height:110px; resize: vertical}
    input:focus,select:focus,textarea:focus{
      border-color: rgba(37,99,235,.35);
      box-shadow: var(--focus);
    }
    .form-actions{
      margin-top:12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .form-hint{
      color: var(--muted2);
      font-size:12px;
      line-height:1.6;
      max-width: 52ch;
      margin:0;
    }

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      margin: 8px 0 14px;
    }
    .tab{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      color: rgba(17,24,39,.82);
      font-weight:850;
      font-size:13px;
      cursor:pointer;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
      user-select:none;
    }
    .tab:hover{transform: translateY(-1px); border-color: rgba(109,40,217,.22)}
    .tab.active{
      background: rgba(109,40,217,.12);
      border-color: rgba(109,40,217,.22);
      color: var(--brand);
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .case{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height: 320px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .case:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 46px rgba(17,24,39,.10);
      border-color: rgba(37,99,235,.22);
    }
    .case-media{
      padding:14px;
      background:
        radial-gradient(500px 220px at 10% 0%, rgba(219,39,119,.15), transparent 55%),
        radial-gradient(500px 260px at 90% 10%, rgba(37,99,235,.14), transparent 55%),
        linear-gradient(180deg, rgba(17,24,39,.02), rgba(17,24,39,.00));
    }
    .case-media .imgbox{
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      overflow:hidden;
      aspect-ratio: 4 / 3;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .case-media img{
      width:100%;
      height:100%;
      object-fit: cover;
    }
    .case-body{
      padding:14px 14px 16px;
      display:flex;
      flex-direction:column;
      gap:10px;
      flex:1;
    }
    .case-body b{font-size:14px}
    .case-body p{margin:0; color: var(--muted2); font-size:13px; line-height:1.7}
    .case-foot{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:auto; padding-top:4px;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(17,24,39,.03);
      color: rgba(17,24,39,.82);
      white-space:nowrap;
    }
    .chip.purple{
      background: rgba(109,40,217,.10);
      border-color: rgba(109,40,217,.18);
      color: var(--brand);
    }
    .chip.pink{
      background: rgba(219,39,119,.10);
      border-color: rgba(219,39,119,.18);
      color:#9d174d;
    }
    .chip.blue{
      background: rgba(37,99,235,.10);
      border-color: rgba(37,99,235,.18);
      color:#1d4ed8;
    }

    .articles{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:grid; gap:10px;
    }
    .article{
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex; gap:12px; align-items:flex-start;
      position:relative;
      overflow:hidden;
    }
    .article:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(17,24,39,.10);
      border-color: rgba(219,39,119,.22);
    }
    .article .dot{
      width:14px; height:14px; border-radius:6px;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      border:1px solid rgba(109,40,217,.18);
      margin-top:5px;
      flex:0 0 auto;
    }
    .article b{font-size:14px}
    .article p{
      margin:4px 0 0;
      color: var(--muted2);
      font-size:13px;
      line-height:1.7;
    }
    .article a.more{
      margin-left:auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:900;
      color: var(--brand);
      background: rgba(109,40,217,.10);
      border:1px solid rgba(109,40,217,.18);
      padding:10px 12px;
      border-radius:14px;
      white-space:nowrap;
      transition: transform .2s ease;
    }
    .article:hover a.more{transform: translateY(-1px)}
    .side-panel{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(135deg, rgba(219,39,119,.10), rgba(109,40,217,.10) 45%, rgba(37,99,235,.08) 100%);
      box-shadow: 0 18px 52px rgba(17,24,39,.08);
      padding:16px;
    }
    .side-panel h3{margin:0; font-size:15px}
    .side-panel p{margin:10px 0 0; color: var(--muted2); font-size:13px; line-height:1.7}
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .tag-cloud span{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.76);
      font-weight:900;
      font-size:12px;
      color: rgba(17,24,39,.82);
    }

    details{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
      overflow:hidden;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    details[open]{border-color: rgba(109,40,217,.22); box-shadow: 0 18px 46px rgba(17,24,39,.10)}
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      font-weight:950;
      color: rgba(17,24,39,.90);
      font-size:14px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px;
      color: var(--muted2);
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
    }
    .chev{
      width:22px; height:22px;
      border-radius:10px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(17,24,39,.03);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    details[open] .chev{
      transform: rotate(180deg);
      background: rgba(109,40,217,.10);
      border-color: rgba(109,40,217,.20);
    }
    .details-body{
      padding: 0 16px 16px;
      color: var(--muted2);
      font-size:13px;
      line-height:1.8;
    }
    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
      padding:16px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex;
      flex-direction:column;
      gap:10px;
      min-height: 220px;
    }
    .review:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 46px rgba(17,24,39,.10);
      border-color: rgba(219,39,119,.22);
    }
    .review-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .avatar{
      width:44px; height:44px;
      border-radius:18px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(37,99,235,.10));
      font-weight:950;
      color: var(--brand);
      flex:0 0 auto;
    }
    .review h3{
      margin:0;
      font-size:14px;
    }
    .review .role{
      margin-top:4px;
      font-size:12px;
      color: var(--muted2);
      font-weight:800;
    }
    .quote{
      margin:0;
      color: var(--muted2);
      font-size:13px;
      line-height:1.8;
    }
    .review .stars-mini{
      display:flex; gap:6px; align-items:center;
      margin-top:auto;
      color: var(--warn);
    }

    .network{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.82);
      border:1px solid rgba(17,24,39,.10);
      box-shadow: 0 18px 52px rgba(17,24,39,.08);
      padding:16px;
    }
    .network-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .mapline{
      display:grid; gap:10px;
    }
    .timeline{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .timeline li{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
    }
    .timeline .tmark{
      width:36px; height:36px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(17,24,39,.03);
      font-weight:950;
      color: var(--brand);
      flex:0 0 auto;
    }
    .timeline b{font-size:13px}
    .timeline span{display:block; margin-top:4px; color: var(--muted2); font-size:12px; line-height:1.6}

    .footer{
      background: linear-gradient(180deg, rgba(17,24,39,.02), rgba(17,24,39,.04));
      border-top: 1px solid rgba(17,24,39,.08);
      padding: 22px 0;
    }
    .footer-grid{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .footer-left{
      min-width: 260px;
      flex:1;
    }
    .footer-left .footbrand{
      display:flex; gap:12px; align-items:center;
    }
    .footlogo{
      width:38px; height:38px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      padding:6px;
    }
    .footer-left p{
      margin:10px 0 0;
      color: var(--muted2);
      font-size:13px;
      line-height:1.7;
      max-width: 58ch;
    }
    .footer-links{
      display:flex; gap:18px; align-items:flex-start; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .linkcol{
      min-width: 200px;
    }
    .linkcol b{
      display:block;
      font-size:13px;
      color: rgba(17,24,39,.86);
      margin-bottom:10px;
    }
    .linkcol a{
      display:block;
      color: rgba(17,24,39,.72);
      font-size:13px;
      padding:8px 0;
      border-bottom: 1px dashed rgba(17,24,39,.08);
      transition: color .2s ease;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 240px;
    }
    .linkcol a:hover{color: var(--brand)}
    .copy{
      margin-top:16px;
      padding-top:14px;
      border-top: 1px solid rgba(17,24,39,.08);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color: rgba(17,24,39,.60);
      font-size:12px;
    }
    .copy a{
      color: rgba(17,24,39,.66);
      border-bottom: 1px solid rgba(17,24,39,.18);
    }

    .float-customer{
      position:fixed;
      right: 16px;
      bottom: 16px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-customer .bubble{
      pointer-events:auto;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 44px rgba(17,24,39,.14);
      backdrop-filter: blur(10px);
      max-width: 260px;
    }
    .bubble .qr{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(109,40,217,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .bubble p{
      margin:0;
      font-size:12px;
      color: rgba(17,24,39,.78);
      line-height:1.5;
      font-weight:850;
    }
    .float-customer .bubble img{
      width:38px; height:38px; border-radius:16px;
      object-fit:cover;
    }
    .float-customer .btnmini{
      pointer-events:auto;
      width:54px; height:54px;
      border-radius:22px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(219,39,119,.12));
      box-shadow: 0 18px 44px rgba(17,24,39,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .float-customer .btnmini:hover{transform: translateY(-2px); box-shadow: 0 24px 60px rgba(17,24,39,.18)}
    .btnmini svg{width:20px; height:20px; color: var(--brand)}

    .modal-backdrop{
      position:fixed; inset:0;
      background: rgba(17,24,39,.48);
      display:none;
      align-items:center;
      justify-content:center;
      padding: 18px;
      z-index:80;
    }
    .modal{
      width: min(520px, 100%);
      border-radius: 22px;
      background:#fff;
      border:1px solid rgba(255,255,255,.16);
      box-shadow: 0 28px 90px rgba(0,0,0,.30);
      overflow:hidden;
    }
    .modal-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 16px;
      background:
        linear-gradient(135deg, rgba(109,40,217,.12), rgba(219,39,119,.10) 55%, rgba(37,99,235,.10));
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .modal-head b{font-size:14px}
    .close{
      border:1px solid rgba(17,24,39,.12);
      background:#fff;
      border-radius:14px;
      padding:8px 10px;
      cursor:pointer;
      font-weight:950;
    }
    .modal-body{padding:16px}
    .modal-q{
      display:flex; gap:14px; align-items:flex-start;
      flex-wrap:wrap;
    }
    .modal-q .qimg{
      width:140px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(17,24,39,.02);
      overflow:hidden;
    }
    .modal-q img{width:100%; height:auto}
    .modal-body p{
      margin:0;
      color: var(--muted2);
      font-size:13px;
      line-height:1.8;
      flex:1;
      min-width: 220px;
    }
    .modal-actions{
      margin-top:14px;
      display:flex;
      gap:12px;
      justify-content:flex-end;
      flex-wrap:wrap;
    }

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

    .return-top{
      position:fixed;
      left: 16px;
      bottom: 16px;
      z-index:60;
      width:50px;
      height:50px;
      border-radius:20px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 44px rgba(17,24,39,.14);
      display:flex;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, opacity .2s ease;
      opacity:0;
      pointer-events:none;
    }
    .return-top.show{
      opacity:1;
      pointer-events:auto;
    }
    .return-top:hover{transform: translateY(-2px)}
    .return-top svg{width:20px; height:20px; color: var(--brand)}

    @media (max-width: 980px){
      .nav{display:none}
      .mobile-toggle{display:inline-flex; align-items:center; justify-content:center; gap:10px}
      .top-actions{min-width:auto}
      .hero-grid{grid-template-columns: 1fr}
      .metrics{grid-template-columns:1fr}
      .grid-3{grid-template-columns:1fr}
      .grid-4{grid-template-columns: repeat(2, 1fr)}
      .steps{grid-template-columns:1fr 1fr}
      .two-col{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .network-grid{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      form .row{grid-template-columns: 1fr}
      table{min-width: 720px}
      .compare-wrap{overflow:auto}
    }
    @media (max-width: 520px){
      .topbar-inner{height:68px}
      .brand{min-width:auto}
      .brand-title span{display:none}
      .hero-card{padding:18px}
      .hero{padding-top:28px}
      .grid-4{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .trust-row .trust{width:100%}
      .float-customer{right: 12px; bottom: 12px}
      .return-top{left: 12px; bottom: 12px}
    }

    @media (prefers-reduced-motion: reduce){
      .reveal{transition:none}
      .card,.btn,.tab,.side-item,.article,.case,.review{transition:none}
    }