:root{
      --bg0:#ffffff;
      --bg1:#f6f7fb;
      --bg2:#f1f3f8;
      --text:#14181f;
      --muted:#4b5563;
      --muted2:#6b7280;
      --line:rgba(17,24,39,.10);
      --card:rgba(255,255,255,.86);
      --shadow:0 10px 30px rgba(17,24,39,.08);
      --shadow2:0 8px 20px rgba(17,24,39,.10);
      --primary:#0b5cff;
      --primary2:#145bff;
      --primarySoft:rgba(11,92,255,.12);
      --accent:#06b6d4;
      --accentSoft:rgba(6,182,212,.12);
      --ok:#16a34a;
      --warn:#f59e0b;
      --radius:18px;
      --radius2:14px;
      --container:1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 18% -10%, rgba(11,92,255,.14), transparent 55%),
        radial-gradient(900px 480px at 88% 0%, rgba(6,182,212,.14), transparent 50%),
        linear-gradient(180deg, #ffffff 0%, #f7f8fc 45%, #ffffff 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 20px;
    }
    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:14px; width:auto; height:auto; z-index:9999;
      background:#0b5cff; color:#fff; padding:10px 12px; border-radius:12px;
      outline:2px solid #fff;
    }

    header{
      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);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:220px;
    }
    .brand .logo{
      width:40px; height:40px; display:flex; align-items:center; justify-content:center;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(11,92,255,.14), rgba(6,182,212,.12));
      border:1px solid rgba(11,92,255,.20);
      box-shadow:0 10px 20px rgba(11,92,255,.12);
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand img{display:block; width:100%; height:auto}
    .brand .name{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand .name strong{font-size:14px; letter-spacing:.2px}
    .brand .name span{font-size:12px; color:var(--muted2); margin-top:2px}

    nav{
      display:flex; align-items:center; gap:10px;
    }
    .nav-links{
      display:flex; align-items:center; gap:6px; flex-wrap:wrap; justify-content:flex-end;
      max-width:650px;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(20,24,31,.86);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(11,92,255,.08);
      border-color:rgba(11,92,255,.18);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
    }
    .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: rgba(255,255,255,.8);
      color:rgba(20,24,31,.95);
      box-shadow:0 10px 22px rgba(17,24,39,.06);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
      user-select:none;
      font-weight:650;
      font-size:13.5px;
    }
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      background: linear-gradient(135deg, #0b5cff 0%, #145bff 45%, #0ea5e9 140%);
      border-color: rgba(11,92,255,.35);
      color:#fff;
      box-shadow: 0 14px 26px rgba(11,92,255,.20);
    }
    .btn-primary:hover{
      transform: translateY(-1px);
      box-shadow: 0 18px 34px rgba(11,92,255,.26);
    }
    .btn-ghost{
      background: rgba(255,255,255,.7);
    }
    .btn .dot{
      width:10px; height:10px; border-radius:50%;
      background:rgba(255,255,255,.95);
      box-shadow: 0 0 0 6px rgba(255,255,255,.22);
    }
    .hamburger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease;
      flex:0 0 auto;
    }
    .hamburger:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.22)}
    .hamburger .bars{
      width:18px; height:14px; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px; background:rgba(20,24,31,.86);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:nth-child(1){top:1px}
    .hamburger span:nth-child(2){top:6px}
    .hamburger span:nth-child(3){top:11px}
    .hamburger.is-open span:nth-child(1){top:6px; transform: rotate(45deg)}
    .hamburger.is-open span:nth-child(2){opacity:0}
    .hamburger.is-open span:nth-child(3){top:6px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(17,24,39,.08);
      padding:10px 0 14px;
    }
    .mobile-links{
      display:grid; grid-template-columns:1fr 1fr; gap:8px;
    }
    .mobile-links a{
      font-size:13px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      transition: transform .15s ease, border-color .15s ease;
    }
    .mobile-links a:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.22)}
    .mobile-cta{
      margin-top:10px;
      display:flex; gap:10px; flex-wrap:wrap;
    }

    .hero{
      padding:34px 0 20px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      border-radius:28px;
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(900px 500px at 10% 10%, rgba(11,92,255,.18), transparent 55%),
        radial-gradient(750px 380px at 75% 0%, rgba(6,182,212,.18), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.70));
      box-shadow: var(--shadow);
      padding:22px;
      overflow:hidden;
      position:relative;
    }
    .hero-left:before{
      content:"";
      position:absolute; inset:-2px -2px auto auto;
      width:320px; height:220px; border-radius:36px;
      background: linear-gradient(135deg, rgba(11,92,255,.20), rgba(6,182,212,.14));
      filter: blur(0px);
      transform: rotate(8deg);
      opacity:.55;
      pointer-events:none;
    }
    .hero-kicker{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
      position:relative;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(11,92,255,.18);
      background: rgba(11,92,255,.08);
      color: rgba(11,92,255,.95);
      font-size:12.5px; font-weight:700;
    }
    .pill .spark{
      width:10px; height:10px; border-radius:50%;
      background: rgba(11,92,255,.95);
      box-shadow: 0 0 0 6px rgba(11,92,255,.12);
    }
    .hero-title{
      margin:14px 0 10px;
      font-size:40px;
      line-height:1.12;
      letter-spacing:-.6px;
      position:relative;
    }
    .hero-sub{
      margin:0;
      color:rgba(20,24,31,.78);
      font-size:15.5px;
      line-height:1.7;
      max-width:62ch;
      position:relative;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top:16px;
      position:relative;
    }
    .hero-meta{
      margin-top:14px;
      display:flex; gap:10px; flex-wrap:wrap;
      position:relative;
    }
    .meta-card{
      display:flex; align-items:flex-start; gap:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      min-width:190px;
      flex:1 1 auto;
    }
    .meta-icon{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(11,92,255,.16), rgba(6,182,212,.12));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .meta-icon svg{width:18px; height:18px; fill: rgba(11,92,255,.95)}
    .meta-card strong{display:block; font-size:13.5px}
    .meta-card span{display:block; margin-top:3px; color:var(--muted2); font-size:12.5px; line-height:1.35}

    .hero-right{
      border-radius:28px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.62));
      box-shadow: var(--shadow);
      padding:18px;
      display:flex; flex-direction:column; gap:14px;
      overflow:hidden;
      position:relative;
    }
    .hero-right:after{
      content:"";
      position:absolute; inset:auto -70px -120px auto;
      width:260px; height:260px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.24), transparent 55%);
      pointer-events:none;
    }
    .data-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      position:relative;
    }
    .data-card{
      padding:14px 12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      transition: transform .18s ease, box-shadow .18s ease;
      min-height:88px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 35px rgba(17,24,39,.12);
    }
    .data-card b{
      font-size:22px;
      letter-spacing:-.3px;
    }
    .data-card em{
      font-style:normal;
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.35;
    }
    .quick-panel{
      border-radius:22px;
      border:1px solid rgba(11,92,255,.15);
      background: linear-gradient(180deg, rgba(11,92,255,.08), rgba(255,255,255,.55));
      padding:14px;
      position:relative;
    }
    .quick-panel h3{
      margin:0 0 8px;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .quick-row{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.64);
      font-size:12.5px; color:rgba(20,24,31,.84);
      transition: transform .15s ease, border-color .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .chip:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.20)}
    .chip .tag-dot{
      width:9px; height:9px; border-radius:50%;
      background: rgba(11,92,255,.95);
      box-shadow:0 0 0 5px rgba(11,92,255,.12);
      flex:0 0 auto;
    }

    main{padding:18px 0 40px}
    section{padding:18px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:16px; flex-wrap:wrap;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted2);
      font-size:13.5px;
      line-height:1.6;
      max-width:65ch;
    }
    .card{
      border-radius:var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
    }
    .grid-3{
      display:grid; gap:14px;
      grid-template-columns:repeat(3, minmax(0,1fr));
    }
    .grid-4{
      display:grid; gap:14px;
      grid-template-columns:repeat(4, minmax(0,1fr));
    }
    .grid-2{
      display:grid; gap:14px;
      grid-template-columns:repeat(2, minmax(0,1fr));
    }

    .feature-card{
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease;
      position:relative;
      overflow:hidden;
    }
    .feature-card:before{
      content:"";
      position:absolute; inset:-1px auto auto -1px;
      width:120px; height:90px;
      background: radial-gradient(circle at 30% 30%, rgba(11,92,255,.18), transparent 60%);
      pointer-events:none;
    }
    .feature-card:hover{transform: translateY(-2px); box-shadow: var(--shadow2)}
    .feature-top{
      display:flex; gap:12px; align-items:flex-start;
    }
    .iconbox{
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(11,92,255,.18);
      background: linear-gradient(135deg, rgba(11,92,255,.12), rgba(6,182,212,.10));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .iconbox svg{width:20px; height:20px; fill: rgba(11,92,255,.95)}
    .feature-card h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .feature-card p{
      margin:8px 0 0;
      color:var(--muted2);
      font-size:13px; line-height:1.65;
    }

    .steps{
      display:grid; gap:14px; grid-template-columns:repeat(4, minmax(0,1fr));
    }
    .step-card{
      padding:16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .step-card:hover{transform: translateY(-2px); box-shadow: var(--shadow2)}
    .step-num{
      width:38px; height:38px;
      border-radius:15px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(11,92,255,.18);
      background: rgba(11,92,255,.08);
      color: rgba(11,92,255,.98);
      font-weight:800;
      letter-spacing:-.2px;
      margin-bottom:10px;
    }
    .step-card h3{margin:0; font-size:15px}
    .step-card p{margin:7px 0 0; color:var(--muted2); font-size:13px; line-height:1.65}

    .compare-wrap{
      padding:16px;
      overflow:hidden;
    }
    .compare-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .rating{
      display:flex; align-items:flex-end; gap:12px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .stars svg{width:18px; height:18px; fill:#f59e0b}
    .rating .score{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .rating .score b{font-size:30px; letter-spacing:-.5px}
    .rating .score span{color:var(--muted2); font-size:13px; margin-top:4px}
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      font-size:13.5px;
      vertical-align:top;
    }
    th{
      text-align:left;
      background: linear-gradient(180deg, rgba(11,92,255,.08), rgba(255,255,255,.65));
      color: rgba(20,24,31,.92);
      font-weight:800;
      position:relative;
    }
    tr:last-child td{border-bottom:none}
    .row-title{
      color:rgba(20,24,31,.92);
      font-weight:800;
      min-width:190px;
    }
    .mark{
      display:inline-flex; align-items:center; gap:8px; flex-wrap:wrap;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px; border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      font-size:12.5px;
      color: rgba(20,24,31,.86);
    }
    .badge.ok{
      border-color: rgba(22,163,74,.22);
      background: rgba(22,163,74,.10);
      color: rgba(22,163,74,.95);
      font-weight:800;
    }
    .badge.best{
      border-color: rgba(11,92,255,.22);
      background: rgba(11,92,255,.10);
      color: rgba(11,92,255,.98);
      font-weight:900;
    }
    .badge.neutral{
      border-color: rgba(245,158,11,.20);
      background: rgba(245,158,11,.10);
      color: rgba(217,119,6,.98);
      font-weight:900;
    }
    .compare-note{
      margin-top:10px;
      color:var(--muted2);
      font-size:12.5px; line-height:1.65;
    }
    .table-wrap{
      overflow:auto;
      border-radius:16px;
    }
    .table-wrap::-webkit-scrollbar{height:10px}
    .table-wrap::-webkit-scrollbar-thumb{background:rgba(17,24,39,.18); border-radius:999px}

    .list-card{
      padding:16px;
    }
    .list-card h3{margin:0 0 10px; font-size:15.5px}
    .bullets{margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px}
    .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.58);
    }
    .bullets li .bicon{
      width:26px; height:26px; border-radius:12px;
      background: rgba(11,92,255,.10);
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .bullets li .bicon svg{width:14px; height:14px; fill: rgba(11,92,255,.95)}
    .bullets li b{display:block; font-size:13.5px}
    .bullets li span{display:block; margin-top:3px; color:var(--muted2); font-size:12.5px; line-height:1.55}

    .cards-horizontal{
      display:grid; gap:14px;
      grid-template-columns:1fr 1fr;
    }
    .media-card{
      padding:16px;
    }
    .tabs{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:10px;
    }
    .tab{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.64);
      font-size:12.8px;
      cursor:pointer;
      user-select:none;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      font-weight:750;
      color: rgba(20,24,31,.86);
    }
    .tab:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.22)}
    .tab.is-active{
      border-color: rgba(11,92,255,.30);
      background: rgba(11,92,255,.10);
      color: rgba(11,92,255,.98);
    }
    .match-list{
      display:flex; flex-direction:column; gap:10px; margin-top:12px;
    }
    .match-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
    }
    .match-item .mnum{
      width:34px; height:34px; border-radius:15px;
      background: rgba(6,182,212,.10);
      border:1px solid rgba(6,182,212,.18);
      display:flex; align-items:center; justify-content:center;
      color: rgba(6,182,212,.98);
      font-weight:900;
      flex:0 0 auto;
    }
    .match-item h4{margin:0; font-size:14.2px}
    .match-item p{margin:6px 0 0; color:var(--muted2); font-size:12.8px; line-height:1.65}

    .carousel-grid{
      display:grid; grid-template-columns:1fr 1fr; gap:14px;
      align-items:start;
    }
    .case-card{
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .case-card:hover{transform: translateY(-2px); box-shadow: var(--shadow2)}
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      flex-wrap:wrap;
    }
    .case-tags{
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .case-tags .t{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      font-size:12.2px;
      color: rgba(20,24,31,.86);
      font-weight:720;
    }
    .case-card h3{margin:0; font-size:15.5px}
    .case-desc{margin:0; color:var(--muted2); font-size:13px; line-height:1.65}
    .case-foot{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top:auto;
      padding-top:6px;
    }
    .case-metric{
      display:flex; gap:10px; flex-wrap:wrap;
      color:var(--muted2);
      font-size:12.8px;
    }
    .case-metric b{color: rgba(20,24,31,.92)}
    .link-btn{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(11,92,255,.22);
      background: rgba(11,92,255,.08);
      color: rgba(11,92,255,.98);
      font-weight:800;
      font-size:13px;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .link-btn:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.30); background: rgba(11,92,255,.12)}
    .link-btn svg{width:16px; height:16px; fill: currentColor}

    .articles{
      display:grid; grid-template-columns:1fr 1fr; gap:14px;
    }
    .article-card{
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height:150px;
    }
    .article-card:hover{transform: translateY(-2px); box-shadow: var(--shadow2)}
    .article-top{display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}
    .article-meta{
      display:flex; gap:8px; flex-wrap:wrap; align-items:center;
      color:var(--muted2); font-size:12.5px;
    }
    .article-meta .dot{
      width:6px; height:6px; border-radius:50%; background:rgba(11,92,255,.8);
      display:inline-block;
    }
    .article-card h3{
      margin:0;
      font-size:15.5px; letter-spacing:-.2px;
    }
    .article-card p{
      margin:0;
      color:var(--muted2);
      font-size:13px; line-height:1.65;
    }
    .article-card .read{
      margin-top:auto;
      display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .ghost-link{
      display:inline-flex; align-items:center; gap:10px;
      color: rgba(20,24,31,.92);
      font-weight:800;
      font-size:13px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      transition: transform .15s ease, border-color .15s ease;
    }
    .ghost-link:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.22)}
    .ghost-link svg{width:16px; height:16px; fill: rgba(11,92,255,.98)}

    .faq{
      padding:10px 0;
    }
    details{
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      margin-bottom:10px;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    details[open]{
      box-shadow: 0 18px 35px rgba(17,24,39,.10);
      transform: translateY(-2px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      padding:14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-weight:900;
      font-size:14.5px;
      letter-spacing:-.2px;
      line-height:1.45;
    }
    .chev{
      width:26px; height:26px;
      border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease;
      margin-top:2px;
    }
    details[open] .chev{transform: rotate(180deg)}
    .chev svg{width:14px; height:14px; fill: rgba(11,92,255,.98)}
    .a{
      padding:0 14px 14px;
      color: var(--muted2);
      font-size:13.2px;
      line-height:1.75;
    }

    .comments{
      display:grid; gap:14px; grid-template-columns:repeat(3, minmax(0,1fr));
    }
    .comment-card{
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height:190px;
    }
    .comment-card:hover{transform: translateY(-2px); box-shadow: var(--shadow2)}
    .comment-top{
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; align-items:flex-start;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      background: linear-gradient(135deg, rgba(11,92,255,.14), rgba(6,182,212,.12));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color: rgba(11,92,255,.98);
    }
    .who b{display:block; font-size:14px}
    .who span{display:block; margin-top:3px; color:var(--muted2); font-size:12.5px}
    .comment-stars{
      display:flex; gap:4px; align-items:center;
    }
    .comment-stars svg{width:16px; height:16px; fill:#f59e0b}
    .comment-card p{
      margin:0;
      color:var(--muted2);
      font-size:13px; line-height:1.7;
    }

    .tech-train-grid{
      display:grid; grid-template-columns:1.05fr .95fr; gap:14px;
      align-items:start;
    }
    .train-left{padding:16px}
    .train-right{padding:16px}
    .platform-list{
      display:grid; gap:10px;
      grid-template-columns:repeat(2, minmax(0,1fr));
      margin-top:10px;
    }
    .plat{
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.64);
      font-size:12.8px;
      color: rgba(20,24,31,.88);
      font-weight:760;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      min-height:42px;
    }
    .plat i{
      width:9px; height:9px; border-radius:50%;
      background: rgba(11,92,255,.95);
      box-shadow:0 0 0 5px rgba(11,92,255,.12);
      flex:0 0 auto;
    }
    .timeline{
      position:relative;
      padding-left:16px;
      margin-top:10px;
    }
    .timeline:before{
      content:"";
      position:absolute; left:6px; top:6px; bottom:6px; width:2px;
      background: linear-gradient(180deg, rgba(11,92,255,.65), rgba(6,182,212,.35));
      border-radius:999px;
    }
    .titem{
      position:relative;
      padding:10px 12px 10px 22px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      margin-bottom:10px;
    }
    .titem:last-child{margin-bottom:0}
    .titem:before{
      content:"";
      position:absolute; left:-1px; top:16px;
      width:12px; height:12px; border-radius:50%;
      background: rgba(11,92,255,.95);
      box-shadow:0 0 0 6px rgba(11,92,255,.12);
      border:2px solid #fff;
    }
    .titem b{display:block; font-size:13.8px}
    .titem span{display:block; margin-top:4px; color:var(--muted2); font-size:12.8px; line-height:1.6}

    .form-card{
      padding:16px;
    }
    form{
      display:grid; gap:12px;
    }
    .form-row{
      display:grid; grid-template-columns:1fr 1fr; gap:12px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size:12.8px;
      color: rgba(20,24,31,.86);
      font-weight:760;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.72);
      color: rgba(20,24,31,.95);
      font-size:14px;
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(11,92,255,.34);
      box-shadow: 0 0 0 4px rgba(11,92,255,.12);
      background: rgba(255,255,255,.88);
    }
    .form-actions{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap; justify-content:space-between;
      margin-top:2px;
    }
    .fineprint{
      color:var(--muted2);
      font-size:12.3px;
      line-height:1.6;
      max-width:55ch;
    }
    .submit-wrap{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .ghost-small{
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      color: rgba(20,24,31,.92);
      font-weight:850;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease;
    }
    .ghost-small:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.22)}
    .toast{
      position:fixed; left:50%; bottom:18px; transform: translateX(-50%);
      background: rgba(20,24,31,.94);
      color:#fff;
      padding:12px 14px;
      border-radius:16px;
      box-shadow: 0 18px 50px rgba(0,0,0,.25);
      display:none;
      z-index:200;
      max-width:92vw;
      width:auto;
      font-size:13.5px;
      line-height:1.5;
    }

    .tag-cloud{
      padding:16px;
    }
    .tag-cloud h3{margin:0 0 10px; font-size:15.5px}
    .tags{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tchip{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      font-size:12.8px;
      color: rgba(20,24,31,.86);
      font-weight:780;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .tchip:hover{
      transform: translateY(-2px);
      border-color: rgba(11,92,255,.22);
      background: rgba(11,92,255,.08);
    }

    .network{
      padding:16px;
    }
    .network-grid{
      display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:12px;
      margin-top:10px;
    }
    .net{
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      min-height:92px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .net b{font-size:14.2px}
    .net span{color:var(--muted2); font-size:12.7px; line-height:1.6; margin-top:6px}

    footer{
      background: linear-gradient(180deg, rgba(255,255,255,.0), rgba(241,243,248,.9));
      border-top:1px solid rgba(17,24,39,.08);
      padding:18px 0 26px;
    }
    .footer-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:14px; align-items:start;
    }
    .foot-card{
      padding:16px;
      background: rgba(255,255,255,.68);
      border:1px solid rgba(17,24,39,.10);
      border-radius:var(--radius);
    }
    .foot-title{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .foot-title b{font-size:15px}
    .foot-title span{color:var(--muted2); font-size:13px}
    .foot-links{
      margin-top:12px;
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .foot-links a{
      padding:9px 11px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      font-weight:820;
      font-size:12.8px;
      color: rgba(20,24,31,.86);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .foot-links a:hover{transform: translateY(-1px); border-color: rgba(11,92,255,.22); background: rgba(11,92,255,.08)}
    .copyright{
      margin-top:12px;
      color:var(--muted2);
      font-size:12.6px;
      line-height:1.8;
    }
    .foot-contact{
      display:grid; gap:10px;
    }
    .contact-row{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
    }
    .contact-row svg{width:18px; height:18px; fill: rgba(11,92,255,.98); flex:0 0 auto; margin-top:2px}
    .contact-row b{display:block; font-size:13.8px}
    .contact-row span{display:block; margin-top:4px; color:var(--muted2); font-size:12.8px; line-height:1.6}
    .kefu-img{
      width:86px; height:auto; border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: #fff;
      padding:8px;
      display:block;
    }

    .float-kefu{
      position:fixed; right:16px; bottom:16px; z-index:120;
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
    }
    .float-card{
      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,.78);
      box-shadow: 0 18px 50px rgba(17,24,39,.14);
      backdrop-filter: blur(10px);
      transition: transform .18s ease, opacity .18s ease;
      max-width:280px;
    }
    .float-card.hide{opacity:0; transform: translateY(10px); pointer-events:none}
    .float-card .ftext b{display:block; font-size:13.4px}
    .float-card .ftext span{display:block; color:var(--muted2); font-size:12.4px; margin-top:3px; line-height:1.4}
    .float-card .ficon{
      width:40px; height:40px; border-radius:16px;
      background: linear-gradient(135deg, rgba(11,92,255,.16), rgba(6,182,212,.12));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .float-card .ficon svg{width:18px; height:18px; fill: rgba(11,92,255,.98)}
    .float-toggle{
      width:52px; height:52px; border-radius:20px;
      border:1px solid rgba(11,92,255,.22);
      background: linear-gradient(135deg, rgba(11,92,255,.18), rgba(6,182,212,.12));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 18px 45px rgba(11,92,255,.20);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .float-toggle:hover{transform: translateY(-2px); box-shadow: 0 22px 55px rgba(11,92,255,.26)}
    .float-toggle svg{width:20px; height:20px; fill: rgba(11,92,255,.98)}

    .to-top{
      position:fixed; left:16px; bottom:16px; z-index:120;
      width:44px; height:44px; border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 50px rgba(17,24,39,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0; pointer-events:none;
      transform: translateY(10px);
      transition: opacity .2s ease, transform .2s ease;
    }
    .to-top.is-show{opacity:1; pointer-events:auto; transform: translateY(0)}
    .to-top svg{width:18px; height:18px; fill: rgba(11,92,255,.98)}

    .reveal{
      opacity:0; transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .reveal.in{
      opacity:1; transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .hero-title{font-size:34px}
      .grid-3{grid-template-columns:repeat(2, minmax(0,1fr))}
      .steps{grid-template-columns:repeat(2, minmax(0,1fr))}
      .cards-horizontal{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .comments{grid-template-columns:1fr}
      .tech-train-grid{grid-template-columns:1fr}
      .network-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .form-row{grid-template-columns:1fr}
      .platform-list{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .nav-cta{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .mobile-panel.is-open{display:block}
      .mobile-panel{background: rgba(255,255,255,.72)}
      .mobile-panel{display:none}
      .mobile-panel.is-open{display:block}
    }
    @media (max-width: 520px){
      .hero-left{padding:16px}
      .hero-right{padding:14px}
      .hero-title{font-size:30px}
      .data-grid{grid-template-columns:1fr 1fr}
      .meta-card{min-width:auto}
      .steps{grid-template-columns:1fr}
      .grid-4{grid-template-columns:1fr 1fr}
      .platform-list{grid-template-columns:1fr}
      .network-grid{grid-template-columns:1fr}
      .float-card{max-width:220px}
      .hero-actions .btn{flex:1 1 auto}
    }