:root{
      --bg0:#fbf8ff;
      --bg1:#f6f0ff;
      --card:#ffffff;
      --text:#15131a;
      --muted:#5b5566;
      --muted2:#776f86;
      --border:rgba(20,15,28,.10);
      --shadow: 0 18px 50px rgba(58, 20, 130, .10);
      --shadow2: 0 10px 30px rgba(20, 10, 40, .10);
      --primary:#6d2cff;
      --primary2:#a855f7;
      --primary3:#4c1d95;
      --accent:#22c55e;
      --warn:#f59e0b;
      --danger:#ef4444;
      --focus: rgba(109,44,255,.22);
      --radius:16px;
      --radius2:22px;
      --container: 1120px;
      --padX: 20px;
      --navH: 72px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 20% -10%, rgba(109,44,255,.16), transparent 55%),
        radial-gradient(900px 600px at 92% 10%, rgba(168,85,247,.18), transparent 50%),
        radial-gradient(800px 540px at 40% 35%, rgba(34,197,94,.06), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 36%, #ffffff);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--padX);
    }
    .skip-link{
      position:absolute; left:-999px; top:-999px;
      background:var(--card);
      padding:10px 12px; border-radius:12px;
      border:1px solid var(--border);
      z-index:9999;
    }
    .skip-link:focus{left:14px; top:14px; outline: none; box-shadow: 0 0 0 4px var(--focus)}
    .nav-wrap{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(251,248,255,.70);
      border-bottom:1px solid rgba(20,15,28,.08);
    }
    .nav{
      height: var(--navH);
      display:flex; align-items:center; justify-content:space-between;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 220px;
    }
    .brand img{
      width:40px; height:40px; border-radius:12px;
      box-shadow: 0 10px 25px rgba(109,44,255,.20);
      border:1px solid rgba(109,44,255,.25);
      background: #fff;
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.05;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    .nav-right{
      display:flex; align-items:center; gap:12px;
    }
    .menu{
      display:flex; align-items:center; gap:18px;
    }
    .menu a{
      font-size:13px; color:var(--muted);
      padding:10px 2px; position:relative;
      transition: color .2s ease;
      white-space:nowrap;
    }
    .menu a::after{
      content:""; position:absolute; left:0; right:0; bottom:6px;
      height:2px; border-radius:999px;
      background: linear-gradient(90deg, var(--primary), var(--primary2));
      transform: scaleX(0); transform-origin:left;
      transition: transform .22s ease;
    }
    .menu a:hover{color:var(--text)}
    .menu a:hover::after{transform: scaleX(1)}
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius: 14px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.72);
      color:var(--text);
      font-weight:650;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .2s ease, border-color .2s ease;
      user-select:none;
    }
    .btn:active{transform: translateY(1px)}
    .btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus)}
    .btn-primary{
      border:1px solid rgba(109,44,255,.28);
      background: linear-gradient(135deg, rgba(109,44,255,1), rgba(168,85,247,1));
      color:#fff;
      box-shadow: 0 16px 35px rgba(109,44,255,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 20px 45px rgba(109,44,255,.28);
      transform: translateY(-1px);
    }
    .btn-ghost{
      background: rgba(255,255,255,.65);
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(109,44,255,.22);
      background: rgba(255,255,255,.70);
      color: var(--primary3);
      font-weight:650;
      font-size:12px;
      box-shadow: 0 10px 25px rgba(109,44,255,.10);
    }
    .dot{
      width:9px; height:9px; border-radius:999px;
      background: linear-gradient(180deg, var(--primary2), var(--primary));
      box-shadow: 0 0 0 4px rgba(109,44,255,.12);
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
      align-items:center; justify-content:center;
    }
    .mobile-toggle:active{transform: translateY(1px)}
    .hamburger{
      width:18px; height:12px; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0; height:2px; border-radius:999px;
      background: var(--text);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(3){top:5px; transform: rotate(-45deg)}
    .mobile-menu{
      display:none;
      padding: 12px var(--padX) 18px;
      border-top:1px solid rgba(20,15,28,.08);
      background: rgba(251,248,255,.90);
    }
    .mobile-menu .m-links{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-menu a{
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,15,28,.08);
      background: rgba(255,255,255,.60);
      color: var(--text);
      font-weight:650;
      font-size:13px;
    }

    main{padding-bottom: 30px}
    .hero{
      position:relative;
      padding: 38px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items:start;
    }
    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      border: 1px solid rgba(20,15,28,.10);
      border-radius: var(--radius2);
      padding: 26px;
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(600px 220px at 20% 0%, rgba(109,44,255,.25), transparent 55%),
        radial-gradient(500px 240px at 95% 10%, rgba(168,85,247,.22), transparent 55%),
        radial-gradient(420px 220px at 30% 70%, rgba(34,197,94,.10), transparent 55%);
      pointer-events:none;
      opacity:.95;
    }
    .hero-card > *{position:relative}
    .hero-top{
      display:flex; align-items:center; justify-content:space-between;
      gap: 12px;
      margin-bottom: 18px;
      flex-wrap:wrap;
    }
    .hero h1{
      margin: 0 0 12px;
      font-size: 36px;
      letter-spacing: -0.6px;
      line-height: 1.12;
    }
    .hero p{
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin: 14px 0 18px;
    }
    .meta-row{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top: 14px;
    }
    .meta{
      display:flex; gap:10px; align-items:center;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.65);
    }
    .meta svg{width:18px; height:18px; flex:0 0 auto}
    .meta strong{font-size:13px}
    .meta span{display:block; font-size:12px; color:var(--muted2); margin-top:2px}

    .hero-side{
      display:flex; flex-direction:column; gap:14px;
    }
    .side-panel{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,15,28,.10);
      border-radius: var(--radius2);
      padding: 18px;
      box-shadow: var(--shadow2);
      position:relative;
      overflow:hidden;
    }
    .side-panel::after{
      content:"";
      position:absolute;
      right:-80px; top:-80px;
      width:180px; height:180px;
      background: radial-gradient(circle at 30% 30%, rgba(109,44,255,.22), transparent 60%);
      pointer-events:none;
      transform: rotate(18deg);
    }
    .side-panel > *{position:relative}
    .side-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .side-title h2{
      margin:0;
      font-size: 15px;
      letter-spacing: .2px;
    }
    .side-title p{
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.6;
    }
    .spark{
      width:36px; height:36px; border-radius: 14px;
      border:1px solid rgba(109,44,255,.25);
      background: linear-gradient(180deg, rgba(109,44,255,.18), rgba(168,85,247,.10));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 16px 35px rgba(109,44,255,.14);
      flex:0 0 auto;
    }
    .spark svg{width:18px; height:18px}
    .chips{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 12px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding: 10px 10px;
      border-radius: 16px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.65);
      font-weight:650;
      font-size:12.5px;
      color: var(--text);
      transition: transform .15s ease, box-shadow .15s ease;
      cursor: default;
    }
    .chip:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(109,44,255,.12);
    }
    .chip i{
      width:18px; height:18px; border-radius: 10px;
      background: linear-gradient(180deg, rgba(109,44,255,.18), rgba(168,85,247,.10));
      border:1px solid rgba(109,44,255,.22);
      display:inline-block;
      position:relative;
      flex:0 0 auto;
    }
    .chip i::after{
      content:""; position:absolute; inset:4px;
      border-radius:7px;
      background: linear-gradient(180deg, var(--primary2), var(--primary));
      opacity:.9;
    }

    section{padding: 26px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:16px;
      margin-bottom: 16px;
      flex-wrap:wrap;
    }
    .kicker{
      color: var(--primary3);
      font-weight:750;
      font-size: 12px;
      letter-spacing: .14em;
      text-transform: uppercase;
    }
    .section-head h2{
      margin: 6px 0 0;
      font-size: 24px;
      letter-spacing: -0.35px;
    }
    .section-head p{
      margin: 0;
      color: var(--muted);
      max-width: 62ch;
      line-height:1.8;
      font-size: 14px;
    }

    .cards-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .card{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,15,28,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 12px 28px rgba(20,10,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(109,44,255,.14);
      border-color: rgba(109,44,255,.22);
    }
    .card .card-top{
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
      margin-bottom: 10px;
    }
    .iconbox{
      width:40px; height:40px; border-radius: 16px;
      background: linear-gradient(180deg, rgba(109,44,255,.18), rgba(168,85,247,.10));
      border:1px solid rgba(109,44,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .iconbox svg{width:18px; height:18px}
    .card h3{
      margin: 0 0 6px;
      font-size: 15px;
      letter-spacing: -0.15px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.75;
    }
    .list{
      margin: 10px 0 0;
      padding-left: 0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.65;
    }
    .check{
      width:18px; height:18px; border-radius: 8px;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.25);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .check svg{width:12px; height:12px; color: var(--accent)}

    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .timeline{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.70);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(109,44,255,.12);
    }
    .step-num{
      width:36px; height:36px;
      border-radius: 14px;
      background: linear-gradient(180deg, rgba(109,44,255,.22), rgba(168,85,247,.12));
      border:1px solid rgba(109,44,255,.25);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: var(--primary3);
      flex:0 0 auto;
    }
    .step h3{
      margin: 0 0 6px;
      font-size: 14px;
    }
    .step p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
    }

    .compare{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,15,28,.10);
      border-radius: var(--radius2);
      padding: 14px;
      box-shadow: 0 14px 36px rgba(20,10,40,.06);
    }
    .compare-top{
      display:flex; gap:14px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap;
      padding: 8px 6px 10px;
    }
    .score{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:20px; height:20px;
      color: var(--primary);
      filter: drop-shadow(0 8px 12px rgba(109,44,255,.18));
    }
    .score strong{font-size:18px}
    .score span{color:var(--muted); font-size:13px}
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(109,44,255,.22);
      background: linear-gradient(180deg, rgba(109,44,255,.10), rgba(255,255,255,.70));
      font-weight:750;
      color: var(--primary3);
      font-size:13px;
    }
    table{
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      overflow:hidden;
      border-radius: 14px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.80);
    }
    th, td{
      padding: 12px 12px;
      border-bottom:1px solid rgba(20,15,28,.08);
      vertical-align:top;
      font-size: 13.5px;
      line-height: 1.6;
    }
    th{
      background: linear-gradient(180deg, rgba(109,44,255,.10), rgba(255,255,255,.70));
      color: var(--text);
      font-weight:900;
      text-align:left;
    }
    tr:last-child td{border-bottom:none}
    td .muted{color: var(--muted)}
    .best{
      font-weight:900;
      color: var(--primary3);
    }
    .taglist{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .tag{
      padding: 6px 10px;
      border-radius: 999px;
      border:1px solid rgba(109,44,255,.20);
      background: rgba(109,44,255,.08);
      color: var(--primary3);
      font-weight:750;
      font-size:12px;
      white-space:nowrap;
    }

    .faq{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items:start;
    }
    .accordion{
      display:flex; flex-direction:column; gap:10px;
    }
    .acc-item{
      border-radius: var(--radius);
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
    }
    .acc-btn{
      width:100%;
      text-align:left;
      background: transparent;
      border:none;
      padding: 14px 14px;
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .acc-btn:focus{outline:none; box-shadow: inset 0 0 0 3px var(--focus)}
    .q{
      font-weight:850;
      font-size: 14px;
      letter-spacing: -0.1px;
      color: var(--text);
    }
    .chev{
      width:28px; height:28px;
      border-radius: 12px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.65);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
      margin-top: -2px;
    }
    .acc-item[data-open="true"] .chev{transform: rotate(180deg)}
    .acc-panel{
      max-height:0;
      overflow:hidden;
      transition: max-height .25s ease;
    }
    .acc-content{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.8;
    }

    .side-cta{
      background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.62));
      border:1px solid rgba(20,15,28,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 14px 36px rgba(20,10,40,.06);
      position:relative;
      overflow:hidden;
    }
    .side-cta::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 240px at 20% 10%, rgba(109,44,255,.22), transparent 60%),
        radial-gradient(320px 200px at 100% 35%, rgba(168,85,247,.18), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .side-cta > *{position:relative}
    .side-cta h3{
      margin: 0 0 6px;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .side-cta p{
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.75;
    }
    .mini-form{
      display:flex; flex-direction:column; gap:10px;
      margin-top: 10px;
    }
    .field{
      display:flex; flex-direction:column; gap:6px;
    }
    .field label{
      font-weight:750;
      font-size: 12.5px;
      color: var(--muted2);
    }
    .input, select, textarea{
      border:1px solid rgba(20,15,28,.12);
      background: rgba(255,255,255,.78);
      border-radius: 14px;
      padding: 12px 12px;
      font-size: 14px;
      color: var(--text);
      transition: box-shadow .15s ease, border-color .15s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    .input:focus, select:focus, textarea:focus{
      outline:none;
      box-shadow: 0 0 0 4px var(--focus);
      border-color: rgba(109,44,255,.35);
    }
    .form-row{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
    }
    .helper{
      font-size: 12.5px;
      color: var(--muted2);
      line-height: 1.6;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .review{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,15,28,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 12px 28px rgba(20,10,40,.06);
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column; gap:10px;
    }
    .review:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(109,44,255,.12);
    }
    .review .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:38px; height:38px; border-radius: 16px;
      background: linear-gradient(180deg, rgba(109,44,255,.18), rgba(168,85,247,.10));
      border:1px solid rgba(109,44,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: var(--primary3);
    }
    .role{color:var(--muted2); font-weight:750; font-size:12.5px}
    .review .text{
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.8;
      margin:0;
    }
    .review .signals{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:auto;
    }

    .cases{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .case-card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,15,28,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 12px 28px rgba(20,10,40,.06);
      overflow:hidden;
      position:relative;
    }
    .case-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(360px 160px at 10% 0%, rgba(109,44,255,.18), transparent 55%),
        radial-gradient(320px 160px at 90% 15%, rgba(168,85,247,.14), transparent 55%);
      opacity:.85;
      pointer-events:none;
    }
    .case-card > *{position:relative}
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; margin-bottom: 10px;
    }
    .case-title{
      margin:0;
      font-size:15px;
      letter-spacing:-0.15px;
    }
    .case-desc{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.75;
      max-width: 58ch;
    }
    .thumbs{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 12px;
    }
    .thumb{
      border-radius: 16px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.70);
      overflow:hidden;
      aspect-ratio: 16 / 10;
      display:flex;
      align-items:center;
      justify-content:center;
      position:relative;
    }
    .thumb img{
      width:100%;
      height:100%;
      object-fit: cover;
      display:block;
      transform: scale(1.01);
      transition: transform .25s ease;
    }
    .thumb:hover img{transform: scale(1.05)}
    .thumb .overlay{
      position:absolute; inset:0;
      background: linear-gradient(180deg, rgba(255,255,255,.0), rgba(109,44,255,.10));
      pointer-events:none;
    }

    .article{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .article-list{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,15,28,.10);
      border-radius: var(--radius2);
      padding: 14px;
      box-shadow: 0 12px 28px rgba(20,10,40,.06);
    }
    .article-item{
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
      padding: 12px 10px;
      border-radius: 16px;
      border:1px solid transparent;
      transition: border-color .2s ease, background .2s ease, transform .15s ease;
    }
    .article-item:hover{
      border-color: rgba(109,44,255,.22);
      background: rgba(109,44,255,.06);
      transform: translateY(-1px);
    }
    .article-item + .article-item{margin-top:8px}
    .article-item strong{
      font-size: 13.5px;
      letter-spacing: -0.1px;
    }
    .article-item span{
      display:block;
      color: var(--muted2);
      font-size: 12.5px;
      margin-top: 4px;
      line-height: 1.5;
    }
    .article-item a{
      flex:0 0 auto;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.65);
      font-weight:850;
      font-size: 13px;
      color: var(--primary3);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      white-space:nowrap;
      margin-top:2px;
    }
    .article-item a:hover{
      box-shadow: 0 14px 34px rgba(109,44,255,.12);
      border-color: rgba(109,44,255,.22);
      transform: translateY(-1px);
    }

    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 10px;
    }
    .cloud-tag{
      border-radius: 999px;
      padding: 8px 12px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.68);
      color: var(--muted);
      font-weight:800;
      font-size: 12.5px;
      cursor:pointer;
      transition: transform .15s ease, border-color .2s ease, color .2s ease;
    }
    .cloud-tag:hover{
      transform: translateY(-1px);
      border-color: rgba(109,44,255,.25);
      color: var(--text);
    }

    .network-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 14px;
    }
    .net-card{
      padding: 16px;
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,15,28,.10);
      box-shadow: 0 12px 28px rgba(20,10,40,.06);
      position:relative;
      overflow:hidden;
    }
    .net-card::after{
      content:"";
      position:absolute; left:-90px; bottom:-90px;
      width:180px; height:180px;
      background: radial-gradient(circle at 30% 30%, rgba(109,44,255,.18), transparent 60%);
      pointer-events:none;
    }
    .net-card > *{position:relative}
    .net-card h3{margin: 0 0 8px; font-size:15px}
    .net-card p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.75}
    .net-stats{
      display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px;
    }
    .net-stat{
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.65);
      min-width: 140px;
    }
    .net-stat strong{display:block; font-size:14px}
    .net-stat span{display:block; color:var(--muted2); font-size:12.5px; margin-top:4px; line-height:1.5}

    .pricing{
      display:grid; grid-template-columns: 1fr 1fr 1fr;
      gap: 14px;
    }
    .price-card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,15,28,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 12px 28px rgba(20,10,40,.06);
      position:relative;
      overflow:hidden;
    }
    .price-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(340px 160px at 18% 0%, rgba(109,44,255,.16), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .price-card > *{position:relative}
    .price-card h3{margin: 0 0 8px; font-size:15px}
    .price-head{
      display:flex; align-items:baseline; justify-content:space-between; gap:10px;
      margin-bottom: 8px;
    }
    .price{
      font-size: 26px;
      letter-spacing:-0.6px;
      font-weight:950;
    }
    .price small{
      font-size: 12.5px;
      color: var(--muted2);
      font-weight:800;
    }
    .price-card p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.75}
    .price-card ul{
      margin: 12px 0 0; padding-left:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .price-card li{
      display:flex; align-items:flex-start; gap:10px;
      color:var(--muted);
      font-size:13.5px; line-height:1.65;
    }

    .float-kefu{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .kefu-pop{
      display:none;
      width: 270px;
      border-radius: 18px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(20,15,28,.10);
      box-shadow: 0 18px 45px rgba(20,10,40,.18);
      overflow:hidden;
    }
    .kefu-pop .k-top{
      padding: 12px 12px 10px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background: linear-gradient(90deg, rgba(109,44,255,.12), rgba(168,85,247,.10));
      border-bottom:1px solid rgba(20,15,28,.08);
    }
    .kefu-pop .k-top strong{font-size:13.5px}
    .kefu-pop .k-top button{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      transition: transform .15s ease;
      display:flex; align-items:center; justify-content:center;
      padding:0;
    }
    .kefu-pop .k-top button:active{transform: translateY(1px)}
    .kefu-pop .k-body{
      padding: 12px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .kefu-pop .qrcode{
      width:84px; height:84px;
      border-radius:16px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.80);
      overflow:hidden;
      flex:0 0 auto;
    }
    .kefu-pop .qrcode img{
      width:100%; height:100%; object-fit:cover; display:block;
    }
    .kefu-pop .k-txt{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      flex:1 1 auto;
    }
    .kefu-btn{
      width:48px; height:48px;
      border-radius: 18px;
      border:1px solid rgba(109,44,255,.25);
      background: linear-gradient(135deg, rgba(109,44,255,1), rgba(168,85,247,1));
      color:#fff;
      cursor:pointer;
      box-shadow: 0 18px 45px rgba(109,44,255,.26);
      transition: transform .15s ease, box-shadow .15s ease;
      display:flex; align-items:center; justify-content:center;
      position:relative;
      overflow:hidden;
    }
    .kefu-btn:active{transform: translateY(1px)}
    .kefu-btn svg{width:20px; height:20px}
    .backtop{
      width:48px; height:48px;
      border-radius: 18px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.80);
      cursor:pointer;
      box-shadow: 0 14px 34px rgba(20,10,40,.10);
      transition: transform .15s ease, box-shadow .15s ease;
      display:flex; align-items:center; justify-content:center;
      color: var(--text);
    }
    .backtop:active{transform: translateY(1px)}
    .backtop svg{width:20px; height:20px}

    footer{
      padding: 18px 0 26px;
      border-top:1px solid rgba(20,15,28,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.65), rgba(246,240,255,.65));
      color: var(--text);
    }
    .footer-grid{
      display:flex; align-items:flex-start; justify-content:space-between; gap:18px; flex-wrap:wrap;
    }
    .foot-left{
      max-width: 520px;
    }
    .foot-left p{
      margin: 8px 0 0;
      color: var(--muted);
      line-height:1.8;
      font-size: 13.5px;
    }
    .foot-links{
      display:flex; gap:14px; flex-wrap:wrap;
    }
    .foot-links a{
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,15,28,.10);
      background: rgba(255,255,255,.70);
      color: var(--primary3);
      font-weight:850;
      font-size: 13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 34px rgba(109,44,255,.12);
      border-color: rgba(109,44,255,.22);
    }
    .copyright{
      margin-top: 14px;
      padding-top: 14px;
      border-top:1px dashed rgba(20,15,28,.14);
      color: var(--muted2);
      font-size: 12.5px;
      line-height: 1.7;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }

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

    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
      clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero h1{font-size: 30px}
      .cards-grid{grid-template-columns: 1fr; }
      .split{grid-template-columns: 1fr;}
      .faq{grid-template-columns: 1fr;}
      .reviews{grid-template-columns: 1fr;}
      .cases{grid-template-columns: 1fr;}
      .article{grid-template-columns: 1fr;}
      .network-grid{grid-template-columns: 1fr;}
      .pricing{grid-template-columns: 1fr;}
      .form-row{grid-template-columns: 1fr;}
      .menu{display:none}
      .mobile-toggle{display:flex}
      .mobile-menu{display:none}
      .mobile-menu.open{display:block}
      .nav-right .nav-cta{display:none}
      .nav-right{gap:10px}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .fade-in{transition:none}
      .card:hover,.step:hover,.article-item:hover,.chip:hover{transform:none}
    }