:root{
      --bg0:#fff7f9;
      --bg1:#ffffff;
      --ink:#1f1b21;
      --muted:#5a515c;
      --subtle:#7a6f7f;
      --line:rgba(25,18,30,.10);
      --card:rgba(255,255,255,.74);
      --card2:rgba(255,255,255,.92);
      --shadow: 0 10px 30px rgba(28,18,38,.08);
      --shadow2: 0 8px 20px rgba(28,18,38,.10);
      --accent:#d81b60;
      --accent2:#ff5aa1;
      --accent3:#b40f46;
      --gold:#c17a2a;
      --good:#0f766e;
      --warn:#b45309;
      --radius:16px;
      --radius2:22px;
      --container: 1120px;
      --pad: 18px;
      --focus: 0 0 0 4px rgba(216,27,96,.18);
      --ease: cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
      color:var(--ink);
      background:
        radial-gradient(900px 420px at 18% 0%, rgba(216,27,96,.16), rgba(216,27,96,0) 55%),
        radial-gradient(760px 520px at 85% 12%, rgba(255,90,161,.12), rgba(255,90,161,0) 60%),
        linear-gradient(180deg, var(--bg0), #fff 35%, #fff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{left:16px; top:16px; width:auto; height:auto; z-index:9999; background:#fff; border:1px solid var(--line); padding:10px 12px; border-radius:12px; box-shadow:var(--shadow2)}
    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.62);
      border-bottom: 1px solid rgba(25,18,30,.06);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 200px;
    }
    .brand img{
      width:42px; height:42px;
      border-radius:14px;
      object-fit:contain;
      background: rgba(255,255,255,.9);
      box-shadow: 0 10px 24px rgba(216,27,96,.12);
      border:1px solid rgba(216,27,96,.18);
    }
    .brand .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand .brand-name{
      font-weight:850;
      letter-spacing:.2px;
      font-size:14px;
    }
    .brand .brand-sub{
      font-size:12px;
      color:var(--subtle);
      margin-top:4px;
      white-space:nowrap;
    }
    nav{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:14px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.58);
    }
    .nav-links a{
      font-size:13px;
      color:rgba(31,27,33,.88);
      padding:8px 10px;
      border-radius:999px;
      transition: transform .18s var(--ease), background .18s var(--ease);
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .nav-links a:hover{
      background: rgba(216,27,96,.08);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius: 14px;
      padding:12px 14px;
      font-weight:750;
      font-size:14px;
      border:1px solid rgba(25,18,30,.10);
      background:#fff;
      color:var(--ink);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow:var(--focus)}
    .btn:hover{transform: translateY(-1px); box-shadow: 0 12px 28px rgba(216,27,96,.14); border-color: rgba(216,27,96,.30)}
    .btn-primary{
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      color:#fff;
      border-color: rgba(216,27,96,.50);
      box-shadow: 0 16px 34px rgba(216,27,96,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 42px rgba(216,27,96,.26);
      border-color: rgba(255,90,161,.65);
    }
    .btn-ghost{
      background: rgba(255,255,255,.65);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.64);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease);
    }
    .mobile-toggle:focus{outline:none; box-shadow:var(--focus)}
    .mobile-toggle:hover{transform: translateY(-1px); box-shadow:var(--shadow2)}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px; background: rgba(31,27,33,.85);
      border-radius:2px; transition: transform .22s var(--ease), top .22s var(--ease), opacity .18s var(--ease);
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .mobile-menu{
      display:none;
      padding:10px 0 18px;
    }
    .mobile-menu.open{display:block}
    .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      padding:12px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.75);
      border-radius:18px;
    }
    .mobile-links a{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(25,18,30,.06);
      background: rgba(255,255,255,.7);
      font-size:14px;
    }
    .hero{
      padding:38px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.18fr .82fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius: var(--radius2);
      border:1px solid rgba(216,27,96,.18);
      background:
        radial-gradient(800px 320px at 15% 20%, rgba(255,90,161,.22), rgba(255,90,161,0) 55%),
        radial-gradient(700px 360px at 95% 10%, rgba(216,27,96,.18), rgba(216,27,96,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.66));
      box-shadow: var(--shadow);
      padding:28px 26px;
      min-height: 300px;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(216,27,96,.35), rgba(216,27,96,0) 55%),
        linear-gradient(60deg, rgba(255,90,161,.26), rgba(255,90,161,0) 60%);
      opacity:.22;
      pointer-events:none;
      transform: translate3d(0,0,0);
    }
    .hero-inner{position:relative; z-index:1}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(216,27,96,.22);
      background: rgba(255,255,255,.7);
      color: rgba(180,15,70,.95);
      font-weight:800;
      font-size:12px;
      letter-spacing:.2px;
    }
    .eyebrow .dot{
      width:8px; height:8px; border-radius:99px;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 0 0 4px rgba(216,27,96,.12);
    }
    h1{
      margin:14px 0 10px;
      font-size:34px;
      line-height:1.16;
      letter-spacing:-.6px;
    }
    .lead{
      margin:0;
      color: rgba(31,27,33,.78);
      font-size:15px;
      line-height:1.8;
      max-width: 64ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap;
      gap:12px;
      margin-top:18px;
      align-items:center;
    }
    .meta-row{
      display:flex; flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius: 16px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.62);
      color: rgba(31,27,33,.86);
      font-size:13px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .pill:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(28,18,38,.10); border-color: rgba(216,27,96,.22)}
    .pill b{font-weight:900}
    .right-stack{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .mini-panel{
      border-radius: var(--radius2);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 25px rgba(28,18,38,.06);
      padding:18px 16px;
      overflow:hidden;
      position:relative;
    }
    .mini-panel::after{
      content:"";
      position:absolute; right:-60px; top:-60px;
      width:160px; height:160px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, rgba(255,90,161,.42), rgba(255,90,161,0) 60%);
      opacity:.65;
      pointer-events:none;
    }
    .mini-title{
      font-weight:900;
      margin:0;
      font-size:14px;
      position:relative;
      z-index:1;
      letter-spacing:.1px;
    }
    .mini-desc{
      margin:8px 0 14px;
      color: rgba(31,27,33,.74);
      font-size:13px;
      line-height:1.7;
      position:relative;
      z-index:1;
    }
    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .metric{
      border-radius: 16px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      padding:12px 12px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease);
    }
    .metric:hover{transform: translateY(-2px); box-shadow: 0 16px 30px rgba(28,18,38,.10)}
    .metric .num{
      font-weight:950; font-size:18px; letter-spacing:-.3px;
    }
    .metric .label{
      color: rgba(31,27,33,.68); font-size:12px; margin-top:6px;
      line-height:1.25;
    }
    .section{
      padding: 34px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom: 16px;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-title p{
      margin:0;
      color: rgba(31,27,33,.70);
      font-size:13px;
      line-height:1.7;
      max-width: 56ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:14px;
    }
    .card{
      border-radius: var(--radius);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.74);
      box-shadow: 0 8px 22px rgba(28,18,38,.05);
      padding:16px 15px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .card:hover{transform: translateY(-3px); box-shadow: 0 18px 40px rgba(28,18,38,.10); border-color: rgba(216,27,96,.20)}
    .card .kicker{
      display:flex; align-items:center; gap:10px;
      color: rgba(180,15,70,.98);
      font-weight:900;
      font-size:12px;
      letter-spacing:.2px;
      margin-bottom:10px;
    }
    .badge{
      width:28px; height:28px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(216,27,96,.20), rgba(255,90,161,.14));
      border:1px solid rgba(216,27,96,.22);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .card h3{
      margin:0 0 8px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: rgba(31,27,33,.74);
      font-size:13px;
      line-height:1.75;
    }
    .list{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(31,27,33,.78);
      font-size:13px;
      line-height:1.6;
    }
    .check{
      width:18px; height:18px; border-radius:7px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(15,118,110,.10);
      border:1px solid rgba(15,118,110,.26);
      flex:0 0 auto;
      margin-top:2px;
    }
    .steps{
      display:grid;
      grid-template-columns: repeat(5, 1fr);
      gap:12px;
    }
    .step{
      border-radius: var(--radius);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      padding:14px 12px;
      position:relative;
      overflow:hidden;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .step:hover{transform: translateY(-3px); box-shadow: 0 18px 40px rgba(28,18,38,.10); border-color: rgba(216,27,96,.22)}
    .step .num{
      font-weight:950;
      color: rgba(180,15,70,.98);
      font-size:13px;
      letter-spacing:.2px;
      display:flex; align-items:center; gap:10px;
      margin-bottom:8px;
    }
    .step .num .bar{
      width:22px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, rgba(216,27,96,.24), rgba(255,90,161,.18));
      border:1px solid rgba(216,27,96,.22);
    }
    .step h3{margin:0 0 8px; font-size:14px}
    .step p{margin:0; color: rgba(31,27,33,.72); font-size:12.8px; line-height:1.7}
    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(216,27,96,.18);
      background:
        radial-gradient(700px 250px at 20% 0%, rgba(216,27,96,.12), rgba(216,27,96,0) 60%),
        rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      padding: 16px;
    }
    .compare-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      padding: 6px 6px 14px;
    }
    .score-box{
      display:flex; align-items:center; gap:12px;
    }
    .stars{
      display:flex; gap:6px; margin-bottom:6px;
    }
    .star{
      width:18px; height:18px;
      filter: drop-shadow(0 4px 10px rgba(216,27,96,.20));
    }
    .score{
      display:flex; flex-direction:column;
    }
    .score b{
      font-size:28px;
      letter-spacing:-.6px;
      line-height:1.05;
    }
    .score span{
      color: rgba(31,27,33,.72);
      font-size:12px;
      margin-top:6px;
    }
    table{
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      overflow:hidden;
      border-radius: 14px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.74);
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(25,18,30,.08);
      vertical-align:top;
      font-size:13px;
      line-height:1.6;
    }
    th{
      background: rgba(216,27,96,.06);
      font-weight:900;
      color: rgba(31,27,33,.92);
      text-align:left;
    }
    tr:last-child td{border-bottom:none}
    .td-right{text-align:right}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.65);
      font-weight:800;
      font-size:12px;
      color: rgba(31,27,33,.88);
      white-space:nowrap;
    }
    .tag.good{border-color: rgba(15,118,110,.26); background: rgba(15,118,110,.08)}
    .tag.pink{border-color: rgba(216,27,96,.26); background: rgba(216,27,96,.08)}
    .tag.gold{border-color: rgba(193,122,42,.30); background: rgba(193,122,42,.08)}
    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .pricing-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:12px;
    }
    .timeline{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:6px;
    }
    .time-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 12px;
      border-radius: 16px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
    }
    .time-dot{
      width:12px; height:12px; border-radius:99px;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 0 0 5px rgba(216,27,96,.14);
      margin-top:6px;
      flex:0 0 auto;
    }
    .time-item b{display:block; margin-top:-2px}
    .time-item span{display:block; color: rgba(31,27,33,.72); font-size:13px; line-height:1.6; margin-top:6px}
    .tabs{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-bottom:12px;
    }
    .tab{
      cursor:pointer;
      user-select:none;
      padding:10px 12px;
      border-radius: 999px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.66);
      font-weight:900;
      font-size:13px;
      color: rgba(31,27,33,.86);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
    }
    .tab:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(28,18,38,.10); border-color: rgba(216,27,96,.22)}
    .tab[aria-selected="true"]{
      border-color: rgba(216,27,96,.35);
      background: linear-gradient(135deg, rgba(216,27,96,.12), rgba(255,90,161,.08));
    }
    .content-panel{
      border-radius: var(--radius2);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 10px 25px rgba(28,18,38,.05);
    }
    .content-panel .panel-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .model-grid{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 10px;
      border-radius: 999px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.64);
      font-size:12.8px;
      font-weight:850;
      color: rgba(31,27,33,.86);
      transition: transform .18s var(--ease), border-color .18s var(--ease);
      white-space:nowrap;
    }
    .chip:hover{transform: translateY(-2px); border-color: rgba(216,27,96,.25)}
    .chip i{
      width:9px; height:9px; border-radius:99px;
      background: linear-gradient(135deg, rgba(216,27,96,.95), rgba(255,90,161,.8));
      box-shadow: 0 0 0 4px rgba(216,27,96,.14);
      display:inline-block;
    }
    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .field label{
      font-size:13px;
      color: rgba(31,27,33,.80);
      font-weight:800;
    }
    .input, .select, .textarea{
      width:100%;
      padding:12px 12px;
      border-radius: 14px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.80);
      color: var(--ink);
      outline:none;
      transition: box-shadow .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
      font-size:14px;
    }
    .textarea{min-height:118px; resize:vertical}
    .input:focus, .select:focus, .textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(216,27,96,.35);
    }
    .field.full{grid-column: 1 / -1}
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:4px;
      flex-wrap:wrap;
    }
    .hint{
      color: rgba(31,27,33,.70);
      font-size:12.5px;
      line-height:1.6;
      max-width: 60ch;
    }
    .article-list{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .article{
      border-radius: var(--radius);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      padding:14px 14px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .article:hover{transform: translateY(-3px); box-shadow: 0 18px 40px rgba(28,18,38,.10); border-color: rgba(216,27,96,.20)}
    .article .a-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px; margin-bottom:10px;
    }
    .article .cat{
      color: rgba(180,15,70,.98);
      font-weight:900;
      font-size:12px;
      display:inline-flex; align-items:center; gap:8px;
    }
    .article .cat:before{
      content:"";
      width:10px; height:10px; border-radius:99px;
      background: linear-gradient(135deg, rgba(216,27,96,.95), rgba(255,90,161,.8));
      box-shadow: 0 0 0 4px rgba(216,27,96,.14);
    }
    .article h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
      line-height:1.45;
    }
    .article p{
      margin:0;
      color: rgba(31,27,33,.72);
      font-size:13px;
      line-height:1.7;
      min-height:44px;
    }
    .article .a-foot{
      margin-top:12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color: rgba(31,27,33,.70);
      font-size:12.5px;
    }
    .link-more{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:900;
      color: rgba(180,15,70,.98);
      padding:8px 10px;
      border-radius:999px;
      background: rgba(216,27,96,.08);
      border:1px solid rgba(216,27,96,.14);
      transition: transform .18s var(--ease);
      white-space:nowrap;
    }
    .link-more:hover{transform: translateY(-2px)}
    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    details{
      border-radius: var(--radius);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      padding: 12px 14px;
      box-shadow: 0 8px 22px rgba(28,18,38,.04);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    details[open]{border-color: rgba(216,27,96,.25); box-shadow: 0 18px 40px rgba(28,18,38,.10); transform: translateY(-2px)}
    summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      font-size:14px;
      line-height:1.45;
      color: rgba(31,27,33,.92);
      padding:2px 0;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:18px; height:18px;
      border-radius:8px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.7);
      display:inline-flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
      transition: transform .2s var(--ease), border-color .2s var(--ease);
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(216,27,96,.30)}
    details .faq-body{
      margin-top:10px;
      color: rgba(31,27,33,.74);
      font-size:13px;
      line-height:1.8;
      padding-right: 6px;
    }
    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      border-radius: var(--radius2);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 10px 25px rgba(28,18,38,.05);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      overflow:hidden;
      position:relative;
    }
    .review::before{
      content:"";
      position:absolute; inset:auto -40px -50px auto;
      width:140px; height:140px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, rgba(216,27,96,.18), rgba(216,27,96,0) 60%);
      pointer-events:none;
    }
    .review:hover{transform: translateY(-3px); box-shadow: 0 18px 40px rgba(28,18,38,.10); border-color: rgba(216,27,96,.20)}
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      position:relative;
      z-index:1;
    }
    .avatar{
      width:44px; height:44px;
      border-radius: 18px;
      border:1px solid rgba(216,27,96,.18);
      background: linear-gradient(135deg, rgba(216,27,96,.14), rgba(255,90,161,.08));
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      letter-spacing:-.2px;
      color: rgba(180,15,70,.98);
    }
    .review .role{
      font-weight:950;
      font-size:13px;
      color: rgba(31,27,33,.92);
      margin:0;
      line-height:1.4;
    }
    .review .content{
      margin-top:10px;
      color: rgba(31,27,33,.74);
      font-size:13px;
      line-height:1.8;
      position:relative;
      z-index:1;
    }
    .case-grid{
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap:14px;
      align-items:start;
    }
    .case-card{
      border-radius: var(--radius2);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 25px rgba(28,18,38,.05);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .case-card::after{
      content:"";
      position:absolute; left:-60px; top:-80px;
      width:180px; height:180px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, rgba(255,90,161,.22), rgba(255,90,161,0) 60%);
      pointer-events:none;
    }
    .case-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .case-top h3{margin:0; font-size:16px; letter-spacing:-.2px}
    .case-top p{margin:6px 0 0; color: rgba(31,27,33,.72); font-size:13px; line-height:1.7}
    .case-tabs{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
      position:relative;
      z-index:1;
    }
    .case-item{
      flex: 0 0 auto;
      border-radius: 999px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.66);
      padding:10px 12px;
      font-size:13px;
      font-weight:950;
      cursor:pointer;
      transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
      user-select:none;
    }
    .case-item:hover{transform: translateY(-2px); border-color: rgba(216,27,96,.22)}
    .case-item[aria-current="true"]{
      border-color: rgba(216,27,96,.36);
      background: linear-gradient(135deg, rgba(216,27,96,.12), rgba(255,90,161,.08));
    }
    .case-detail{
      margin-top:14px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .spec{
      border-radius: 16px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.68);
      padding:12px;
    }
    .spec b{display:block; font-size:13px}
    .spec span{display:block; margin-top:8px; color: rgba(31,27,33,.72); font-size:13px; line-height:1.7}
    .img-card{
      border-radius: var(--radius2);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 25px rgba(28,18,38,.05);
      padding:14px;
      overflow:hidden;
    }
    .media{
      width:100%;
      border-radius: 18px;
      border:1px solid rgba(25,18,30,.08);
      background: linear-gradient(180deg, rgba(216,27,96,.10), rgba(216,27,96,0));
      overflow:hidden;
    }
    .media img{
      width:100%;
      height:auto;
      display:block;
      object-fit:contain;
    }
    .img-meta{
      margin-top:12px;
      display:flex;
      gap:10px;
      justify-content:space-between;
      align-items:flex-start;
    }
    .img-meta b{font-size:14px}
    .img-meta span{color: rgba(31,27,33,.72); font-size:13px; line-height:1.7; margin-top:6px; display:block}
    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .map-shell{
      border-radius: var(--radius2);
      border:1px solid rgba(25,18,30,.08);
      background:
        radial-gradient(700px 280px at 20% 0%, rgba(216,27,96,.10), rgba(216,27,96,0) 60%),
        rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 10px 25px rgba(28,18,38,.05);
      overflow:hidden;
    }
    .map-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:10px;
    }
    .net-cell{
      border-radius: 16px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.68);
      padding:12px;
    }
    .net-cell b{display:block; font-size:13px}
    .net-cell span{display:block; margin-top:8px; font-size:13px; line-height:1.7; color: rgba(31,27,33,.72)}
    .cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .footer{
      margin-top: 10px;
      padding: 24px 0;
      background:
        radial-gradient(800px 260px at 20% 0%, rgba(216,27,96,.14), rgba(216,27,96,0) 60%),
        linear-gradient(180deg, rgba(255,255,255,.6), rgba(255,255,255,.92));
      border-top: 1px solid rgba(25,18,30,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius2);
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 10px 25px rgba(28,18,38,.05);
    }
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.66);
      padding:10px 12px;
      font-weight:900;
      font-size:13px;
      color: rgba(31,27,33,.86);
      transition: transform .18s var(--ease), border-color .18s var(--ease);
    }
    .footer-links a:hover{transform: translateY(-2px); border-color: rgba(216,27,96,.25)}
    .copyright{
      margin-top:14px;
      color: rgba(31,27,33,.68);
      font-size:12.5px;
      line-height:1.8;
      display:flex;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }
    .to-top{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:60;
      opacity:0;
      transform: translateY(10px);
      pointer-events:none;
      transition: opacity .25s var(--ease), transform .25s var(--ease);
    }
    .to-top.show{
      opacity:1;
      transform: translateY(0);
      pointer-events:auto;
    }
    .to-top .btn{
      padding:12px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.86);
    }
    .float-kefu{
      position:fixed;
      left:16px;
      bottom:16px;
      z-index:60;
      width:54px;
      height:54px;
      border-radius: 18px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 45px rgba(28,18,38,.14);
      display:flex;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .float-kefu:hover{
      transform: translateY(-3px);
      border-color: rgba(216,27,96,.25);
      box-shadow: 0 22px 55px rgba(28,18,38,.18);
    }
    .kefu-panel{
      position:fixed;
      left:16px;
      bottom:80px;
      z-index:65;
      width: 270px;
      border-radius: 18px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 26px 60px rgba(28,18,38,.18);
      padding:12px;
      display:none;
    }
    .kefu-panel.show{display:block}
    .kefu-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .kefu-top b{font-size:14px}
    .kefu-close{
      width:38px; height:38px;
      border-radius: 14px;
      border:1px solid rgba(25,18,30,.10);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s var(--ease), border-color .18s var(--ease);
    }
    .kefu-close:hover{transform: translateY(-2px); border-color: rgba(216,27,96,.25)}
    .kefu-img{
      width:100%;
      border-radius: 16px;
      border:1px solid rgba(25,18,30,.08);
      background: rgba(255,255,255,.7);
      overflow:hidden;
      display:flex; align-items:center; justify-content:center;
      padding:8px;
    }
    .kefu-img img{
      max-width:100%;
      height:auto;
      display:block;
    }
    .kefu-tip{
      margin-top:10px;
      color: rgba(31,27,33,.72);
      font-size:12.8px;
      line-height:1.7;
    }
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s var(--ease), transform .6s var(--ease);
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .right-stack{flex-direction:row}
      .right-stack .mini-panel{flex:1}
      .steps{grid-template-columns: repeat(3, 1fr)}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .faq{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .content-panel .panel-grid{grid-template-columns: 1fr}
      .case-detail{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .steps .step:nth-child(4), .steps .step:nth-child(5){display:none}
      .right-stack{flex-wrap:wrap}
      .right-stack .mini-panel{min-width: 260px}
      .nav-links{display:none}
      .mobile-toggle{display:flex}
      .mobile-menu{display:none}
      header{position:sticky}
      .form{grid-template-columns: 1fr}
      .float-kefu{left:14px; bottom:14px}
      .kefu-panel{left:14px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .btn, .card, .step, .metric, .article, .review, .tab, .chip, .link-more{transition:none}
    }