:root{
      --bg0:#ffffff;
      --bg1:#fbf7ff;
      --bg2:#f6f8ff;
      --card:#ffffff;
      --text:#1b1f2a;
      --muted:#5a6172;
      --muted2:#7b8294;
      --line:rgba(17,24,39,.10);
      --shadow: 0 10px 30px rgba(16,24,40,.10);
      --shadow2: 0 8px 18px rgba(16,24,40,.08);
      --radius:18px;
      --radius2:14px;
      --primary:#3b5bff;
      --primary2:#7c3aed;
      --cyan:#06b6d4;
      --lime:#84cc16;
      --pink:#ec4899;
      --amber:#f59e0b;
      --success:#16a34a;
      --danger:#ef4444;
      --focus: 0 0 0 4px rgba(59,91,255,.15);
      --container: 1120px;
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 460px at 12% 0%, rgba(124,58,237,.10), transparent 55%),
        radial-gradient(820px 430px at 86% 6%, rgba(59,91,255,.12), transparent 52%),
        radial-gradient(820px 420px at 58% 22%, rgba(6,182,212,.09), transparent 55%),
        linear-gradient(180deg, var(--bg1) 0%, #fff 30%, var(--bg2) 100%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      max-width:var(--container);
      padding:0 18px;
      margin:0 auto;
    }
    .skip-link{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip-link:focus{
      left:14px;top:14px;width:auto;height:auto;z-index:9999;
      background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:10px;
      box-shadow:var(--shadow2);
    }

    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,.06);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0}
    .brand{
      display:flex;align-items:center;gap:10px;min-width:200px;
    }
    .brand img{width:38px;height:38px;object-fit:contain}
    .brand-title{display:flex;flex-direction:column;line-height:1.15}
    .brand-title strong{font-size:14px;letter-spacing:.2px}
    .brand-title span{font-size:12px;color:var(--muted)}
    nav{display:flex;align-items:center;gap:14px}
    .nav-links{
      display:flex;align-items:center;gap:12px;flex-wrap:wrap;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;color:var(--muted);
      padding:8px 10px;border-radius:999px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(59,91,255,.08);
      color:#253054;
      transform: translateY(-1px);
    }
    .nav-cta{display:flex;align-items:center;gap:10px;flex-wrap:nowrap}
    .btn{
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      color:#1b1f2a;
      padding:10px 14px;
      border-radius:12px;
      font-size:13px;
      text-decoration:none;
      display:inline-flex;align-items:center;gap:10px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      box-shadow: 0 2px 0 rgba(16,24,40,.04);
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn:hover{transform: translateY(-1px); box-shadow: var(--shadow2)}
    .btn-primary{
      border-color: rgba(59,91,255,.25);
      background: linear-gradient(135deg, rgba(59,91,255,.12), rgba(124,58,237,.10));
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute; inset:-2px;
      background: linear-gradient(90deg, rgba(59,91,255,.16), rgba(236,72,153,.14), rgba(6,182,212,.14));
      filter: blur(10px);
      opacity:.0;
      transition: opacity .25s ease;
    }
    .btn-primary:hover::before{opacity:1}
    .btn-primary span{position:relative;z-index:1}
    .btn-hero{
      border-color: rgba(59,91,255,.28);
      background: linear-gradient(135deg, rgba(59,91,255,.20), rgba(124,58,237,.16));
    }
    .chip-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .chip{
      font-size:12px;color:#27314a;background:rgba(255,255,255,.72);
      border:1px solid rgba(17,24,39,.10);
      padding:8px 10px;border-radius:999px;
      display:inline-flex;align-items:center;gap:8px;
    }
    .dot{
      width:10px;height:10px;border-radius:999px;
      background: linear-gradient(135deg, var(--primary), var(--primary2));
      box-shadow: 0 0 0 3px rgba(59,91,255,.12);
    }

    .mobile-toggle{
      display:none;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      border-radius:12px;
      padding:10px 12px;
      cursor:pointer;
      box-shadow: 0 2px 0 rgba(16,24,40,.04);
    }
    .mobile-toggle:focus{outline:none;box-shadow:var(--focus)}
    .burger{width:18px;height:12px;display:grid;gap:3px}
    .burger i{display:block;height:2px;background:rgba(27,31,42,.78);border-radius:999px}

    .mobile-menu{
      display:none;
      padding:0 0 14px 0;
    }
    .mobile-menu .menu-panel{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.85);
      border-radius:16px;
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .mobile-menu .menu-panel a{
      display:flex;align-items:center;justify-content:space-between;
      text-decoration:none;
      padding:12px 14px;
      border-bottom:1px solid rgba(17,24,39,.06);
      font-size:14px;color:var(--muted);
    }
    .mobile-menu .menu-panel a:last-child{border-bottom:none}
    .mobile-menu .menu-panel a:hover{background:rgba(59,91,255,.06);color:#223056}

    main{padding:26px 0 0}
    section{padding:46px 0}
    .hero{
      padding:26px 0 10px;
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border:1px solid rgba(17,24,39,.08);
      background:
        radial-gradient(800px 420px at 10% 0%, rgba(59,91,255,.20), transparent 55%),
        radial-gradient(760px 420px at 90% 10%, rgba(124,58,237,.18), transparent 52%),
        radial-gradient(760px 380px at 60% 40%, rgba(6,182,212,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.68));
      border-radius: var(--radius);
      box-shadow: var(--shadow2);
      overflow:hidden;
      position:relative;
      padding:26px;
      min-height: 360px;
    }
    .hero-card::after{
      content:"";
      position:absolute; inset:-1px;
      background:
        linear-gradient(90deg, rgba(59,91,255,.0), rgba(59,91,255,.10), rgba(236,72,153,.10), rgba(6,182,212,.10), rgba(59,91,255,.0));
      opacity:.55;
      transform: translateX(-30%) translateY(-20%) rotate(10deg);
      pointer-events:none;
    }
    .hero-left{position:relative; z-index:1; display:flex;flex-direction:column;gap:14px; height:100%}
    .kicker{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap
    }
    .kicker .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 10px;border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.72);
      font-size:12px;color:#24304a;
    }
    .badge svg{width:16px;height:16px}
    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .hero-sub{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 52ch;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px}
    .btn svg{width:18px;height:18px}
    .hero-meta{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;align-items:center;
      padding-top:8px;
    }
    .meta-card{
      flex:1 1 180px;
      min-width: 180px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.70);
      border-radius:16px;
      padding:12px 12px;
      display:flex;gap:10px;align-items:flex-start;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .meta-card:hover{transform: translateY(-2px); box-shadow: var(--shadow2)}
    .meta-ico{
      width:34px;height:34px;border-radius:12px;
      background: linear-gradient(135deg, rgba(59,91,255,.18), rgba(124,58,237,.14));
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(59,91,255,.25);
      flex:0 0 auto;
    }
    .meta-ico i{
      width:16px;height:16px;border-radius:4px;
      background: linear-gradient(135deg, var(--primary), var(--primary2));
      box-shadow: 0 0 0 4px rgba(59,91,255,.12);
    }
    .meta-card strong{display:block;font-size:13px}
    .meta-card span{display:block;color:var(--muted);font-size:12px;margin-top:2px;line-height:1.35}

    .hero-right{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.72);
      border-radius: var(--radius);
      box-shadow: var(--shadow2);
      padding:18px;
      display:flex;flex-direction:column;gap:12px;
      position:relative;
      overflow:hidden;
      min-height: 360px;
    }
    .hero-right::before{
      content:"";
      position:absolute; inset:-60px -80px auto auto;
      width:220px;height:220px;border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(236,72,153,.22), transparent 60%);
      pointer-events:none;
    }
    .hero-right .right-top{
      position:relative; z-index:1;
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:6px 6px 0 6px;
    }
    .right-title{
      display:flex;flex-direction:column;gap:3px;
    }
    .right-title strong{font-size:14px}
    .right-title span{font-size:12px;color:var(--muted)}
    .pulse{
      width:10px;height:10px;border-radius:50%;
      background: var(--success);
      box-shadow: 0 0 0 0 rgba(22,163,74,.35);
      animation: pulse 1.8s infinite ease;
    }
    @keyframes pulse{
      0%{box-shadow: 0 0 0 0 rgba(22,163,74,.35)}
      70%{box-shadow: 0 0 0 10px rgba(22,163,74,.0)}
      100%{box-shadow: 0 0 0 0 rgba(22,163,74,.0)}
    }
    .tool-grid{
      position:relative; z-index:1;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      padding:6px;
    }
    .tool{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius:16px;
      padding:12px;
      display:flex;flex-direction:column;gap:10px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 112px;
    }
    .tool:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(59,91,255,.20);
    }
    .tool-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
    .tool .ico{
      width:36px;height:36px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(17,24,39,.08);
      background: linear-gradient(135deg, rgba(59,91,255,.14), rgba(124,58,237,.10));
    }
    .tool .ico svg{width:18px;height:18px}
    .tool strong{font-size:13px}
    .tool span{color:var(--muted);font-size:12px;line-height:1.45}
    .right-bottom{
      margin-top:auto;
      position:relative; z-index:1;
      border-top:1px dashed rgba(17,24,39,.12);
      padding:12px 8px 0 8px;
      display:flex;gap:10px;align-items:flex-start;justify-content:space-between;
      flex-wrap:wrap;
    }
    .hint{
      flex:1 1 280px;
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
    }
    .hint b{color:#2b3551}
    .mini-actions{display:flex;gap:10px;flex-wrap:wrap}
    .btn-ghost{
      background: rgba(255,255,255,.75);
      border-color: rgba(17,24,39,.10);
      padding:10px 12px;
    }

    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width: 60ch;
    }
    .section-head .right-tools{
      display:flex;gap:10px;align-items:center;flex-wrap:wrap;
    }
    .seg{
      display:flex;gap:8px;align-items:center;
      padding:8px 10px;border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .seg strong{color:#2b3551;font-size:12px}

    .grid-3{display:grid;grid-template-columns: repeat(3, 1fr);gap:14px}
    .grid-4{display:grid;grid-template-columns: repeat(4, 1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns: repeat(2, 1fr);gap:14px}
    .card{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding:16px;
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(59,91,255,.20)}
    .card h3{margin:0 0 8px 0;font-size:15px}
    .card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .card .tag{
      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,.7);
      color:#253054;font-size:12px;
      margin-bottom:12px;
      white-space:nowrap;
    }
    .tag i{width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--primary), var(--primary2));
      box-shadow: 0 0 0 3px rgba(59,91,255,.12);
      display:inline-block;
    }
    .stat{
      display:flex;align-items:flex-start;gap:12px;
    }
    .stat .num{
      font-size:26px; font-weight:800; letter-spacing:-.6px;
      line-height:1;
      background: linear-gradient(90deg, rgba(59,91,255,1), rgba(124,58,237,1), rgba(6,182,212,1));
      -webkit-background-clip:text; background-clip:text; color: transparent;
    }
    .stat .desc{color:var(--muted);font-size:13px;line-height:1.6}
    .stat .desc b{color:#2b3551}
    .list{
      margin:0; padding-left:18px; color:var(--muted); font-size:13px; line-height:1.9
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:14px;
    }
    .step{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding:16px;
      position:relative;
      overflow:hidden;
      min-height: 160px;
    }
    .step::before{
      content:"";
      position:absolute; inset:-1px auto auto -1px;
      width:120px;height:120px;border-radius:24px;
      background: radial-gradient(circle at 20% 20%, rgba(59,91,255,.18), transparent 60%);
      pointer-events:none;
    }
    .step-head{display:flex;gap:10px;align-items:center;position:relative;z-index:1}
    .step-no{
      width:34px;height:34px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(59,91,255,.22);
      background: rgba(59,91,255,.10);
      font-weight:800;font-size:13px;color:#23305b;
    }
    .step h3{margin:10px 0 8px 0;position:relative;z-index:1;font-size:15px}
    .step p{margin:0;color:var(--muted);font-size:13px;line-height:1.7;position:relative;z-index:1}

    .compare-wrap{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      overflow:hidden;
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
    }
    .compare-head{
      padding:16px;
      display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;
      border-bottom:1px solid rgba(17,24,39,.06);
      background: linear-gradient(180deg, rgba(59,91,255,.07), rgba(124,58,237,.04));
    }
    .rating{
      display:flex;flex-direction:column;gap:6px;min-width:240px;
    }
    .rating .star{
      display:flex;align-items:center;gap:10px
    }
    .stars svg{width:18px;height:18px}
    .score{
      font-size:34px;font-weight:900;letter-spacing:-1px;
      background: linear-gradient(90deg, var(--primary), var(--primary2));
      -webkit-background-clip:text;background-clip:text;color:transparent;
      line-height:1;
    }
    .rating span{color:var(--muted);font-size:13px;line-height:1.5}
    .compare-actions{display:flex;gap:10px;flex-wrap:wrap}
    .table-wrap{overflow:auto}
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width: 720px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.06);
      font-size:13px;
      text-align:left;
      vertical-align:top;
    }
    thead th{
      position:sticky; top:0;
      background: rgba(255,255,255,.90);
      backdrop-filter: blur(6px);
      z-index:2;
      color:#232f4a;
      font-weight:800;
      border-bottom:1px solid rgba(17,24,39,.10);
    }
    tbody tr:hover td{background: rgba(59,91,255,.04)}
    .cell-badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 10px;border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      white-space:nowrap;
    }
    .tick{
      width:18px;height:18px;border-radius:6px;
      background: rgba(22,163,74,.12);
      border:1px solid rgba(22,163,74,.22);
      display:inline-flex;align-items:center;justify-content:center;
      color: var(--success);
      flex:0 0 auto;
    }
    .cross{
      width:18px;height:18px;border-radius:6px;
      background: rgba(239,68,68,.10);
      border:1px solid rgba(239,68,68,.18);
      display:inline-flex;align-items:center;justify-content:center;
      color: var(--danger);
      flex:0 0 auto;
    }
    .muted-cell{color:var(--muted);line-height:1.6}

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .time-item{
      display:grid;
      grid-template-columns: 72px 1fr;
      gap:12px;
      align-items:flex-start;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding:14px;
    }
    .time-left{
      display:flex;flex-direction:column;gap:6px;
      align-items:flex-start;
    }
    .time-left .pill{
      display:inline-flex;align-items:center;justify-content:center;
      width:54px;height:28px;border-radius:999px;
      border:1px solid rgba(59,91,255,.20);
      background: rgba(59,91,255,.10);
      color:#23305b;font-weight:800;font-size:12px;
    }
    .time-left span{color:var(--muted);font-size:12px;line-height:1.4}
    .time-right h3{margin:0;font-size:15px}
    .time-right p{margin:6px 0 0 0;color:var(--muted);font-size:13px;line-height:1.7}

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .case{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding:16px;
      overflow:hidden;
      position:relative;
      min-height: 190px;
      display:flex;flex-direction:column;gap:10px;
    }
    .case::before{
      content:"";
      position:absolute; inset:-120px auto auto -120px;
      width:240px;height:240px;border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.20), transparent 62%);
      pointer-events:none;
    }
    .case-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;position:relative;z-index:1}
    .case h3{margin:0;font-size:15px}
    .case .type{
      font-size:12px;color:#253054;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.76);
      padding:7px 10px;border-radius:999px;
      white-space:nowrap;
    }
    .case p{margin:0;color:var(--muted);font-size:13px;line-height:1.7;position:relative;z-index:1}
    .case .bottom-row{margin-top:auto;display:flex;justify-content:space-between;gap:12px;align-items:center;position:relative;z-index:1}
    .metric{
      display:flex;flex-direction:column;gap:3px;
    }
    .metric b{font-size:14px}
    .metric span{color:var(--muted);font-size:12px}
    .link-btn{
      text-decoration:none;
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 12px;border-radius:12px;
      border:1px solid rgba(59,91,255,.20);
      background: rgba(59,91,255,.10);
      color:#23305b;
      font-size:13px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      white-space:nowrap;
    }
    .link-btn:hover{transform: translateY(-1px); box-shadow: var(--shadow2); background: rgba(59,91,255,.14)}
    .link-btn svg{width:18px;height:18px}

    .articles{
      display:grid;grid-template-columns: 1.05fr .95fr;gap:14px; align-items:start;
    }
    .article-list{
      display:flex;flex-direction:column;gap:10px;
    }
    .post{
      padding:14px;
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius2);
      background: rgba(255,255,255,.78);
      display:flex;gap:12px;align-items:flex-start;justify-content:space-between;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .post:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(59,91,255,.20)}
    .post .left{display:flex;gap:12px;align-items:flex-start}
    .post .thumb{
      width:44px;height:44px;border-radius:16px;
      background: linear-gradient(135deg, rgba(59,91,255,.16), rgba(236,72,153,.10));
      border:1px solid rgba(59,91,255,.20);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .post .thumb::after{
      content:"";
      position:absolute;inset:-30px -30px auto auto;
      width:64px;height:64px;border-radius:50%;
      background: radial-gradient(circle at 40% 40%, rgba(6,182,212,.20), transparent 62%);
    }
    .post .thumb svg{width:18px;height:18px;position:relative;z-index:1}
    .post h3{margin:0;font-size:14px}
    .post p{margin:6px 0 0 0;color:var(--muted);font-size:13px;line-height:1.6}
    .post .meta{
      display:flex;flex-direction:column;align-items:flex-end;gap:8px;min-width:120px;
    }
    .meta .date{
      color:var(--muted2);font-size:12px;white-space:nowrap;
    }
    .pill{
      font-size:12px;color:#253054;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.76);
      padding:7px 10px;border-radius:999px;
      white-space:nowrap;
    }
    .side-box{
      padding:16px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
      position:sticky;
      top:86px;
    }
    .side-box h3{margin:0 0 8px 0;font-size:15px}
    .side-box p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .side-box .divider{height:1px;background:rgba(17,24,39,.08);margin:14px 0}
    .kv{
      display:grid;grid-template-columns: 1fr 1fr;gap:10px;
    }
    .kv .k{
      border:1px dashed rgba(17,24,39,.12);
      border-radius:14px;
      padding:10px;
      background: rgba(255,255,255,.65);
    }
    .kv b{display:block;font-size:13px;margin-bottom:4px}
    .kv span{color:var(--muted);font-size:12px;line-height:1.5}

    .faq{
      display:grid;grid-template-columns: 1fr;
      gap:10px;
    }
    details.faq-item{
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius2);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    details.faq-item[open]{border-color: rgba(59,91,255,.22); box-shadow: var(--shadow2)}
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
      user-select:none;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .q{
      display:flex;flex-direction:column;gap:6px;
    }
    .q strong{font-size:14px}
    .q span{color:var(--muted2);font-size:12px}
    .chev{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.7);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    details.faq-item .answer{
      padding:0 16px 16px 16px;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }

    .form-card{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding:18px;
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
      overflow:hidden;
      position:relative;
    }
    .form-card::before{
      content:"";
      position:absolute; inset:-140px auto auto -140px;
      width:280px;height:280px;border-radius:50%;
      background: radial-gradient(circle at 35% 35%, rgba(124,58,237,.18), transparent 62%);
      pointer-events:none;
    }
    form{position:relative; z-index:1}
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .field{display:flex;flex-direction:column;gap:8px}
    label{
      font-size:13px;
      color:#29324a;
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      border:1px solid rgba(17,24,39,.12);
      border-radius:14px;
      padding:11px 12px;
      font-size:14px;
      background: rgba(255,255,255,.92);
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease;
      color:#121826;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(59,91,255,.35);
    }
    .form-actions{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:14px}
    .fineprint{color:var(--muted2);font-size:12px;line-height:1.5;max-width:52ch}
    .btn-submit{
      background: linear-gradient(135deg, rgba(59,91,255,.20), rgba(124,58,237,.16));
      border-color: rgba(59,91,255,.30);
      padding:12px 16px;
      border-radius:14px;
      font-weight:900;
      color:#23305b;
    }
    .toast{
      position:fixed; left:50%; bottom:22px; transform: translateX(-50%);
      background: rgba(255,255,255,.92);
      border:1px solid rgba(17,24,39,.10);
      border-radius:14px;
      box-shadow: var(--shadow);
      padding:12px 14px;
      display:none;
      z-index:9999;
      max-width: calc(100vw - 24px);
    }
    .toast strong{display:block;font-size:13px}
    .toast span{display:block;color:var(--muted);font-size:12px;margin-top:4px;line-height:1.45}
    .toast.show{display:block; animation: toastIn .22s ease}
    @keyframes toastIn{from{opacity:.0; transform: translateX(-50%) translateY(8px)}to{opacity:1; transform: translateX(-50%) translateY(0)}}

    .comment-grid{display:grid;grid-template-columns: repeat(3, 1fr);gap:14px}
    .comment{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding:16px;
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 190px;
      display:flex;flex-direction:column;gap:10px;
    }
    .comment:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(59,91,255,.20)}
    .comment .avatar{
      width:44px;height:44px;border-radius:16px;
      background: linear-gradient(135deg, rgba(6,182,212,.16), rgba(59,91,255,.12));
      border:1px solid rgba(6,182,212,.25);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .comment .avatar::after{
      content:"";
      position:absolute; inset:-30px -40px auto auto;
      width:86px;height:86px;border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(236,72,153,.20), transparent 62%);
    }
    .comment .avatar svg{width:18px;height:18px;position:relative;z-index:1}
    .who{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
    .who strong{font-size:14px}
    .who span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .quote{
      margin:0;color:var(--muted);font-size:13px;line-height:1.8;position:relative;z-index:1
    }
    .comment .starsRow{
      margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1
    }
    .starsSmall{display:flex;gap:4px;align-items:center}
    .starsSmall svg{width:16px;height:16px}

    .network-grid{
      display:grid;grid-template-columns: 1fr 1fr;gap:14px;align-items:start;
    }
    .network-left{
      padding:16px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
    }
    .network-left h3{margin:0 0 10px 0;font-size:15px}
    .network-left p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .region-list{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:14px
    }
    .region{
      padding:9px 10px;border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      color:#27314a;
      font-size:12px;
      display:inline-flex;align-items:center;gap:8px;
      white-space:nowrap;
    }
    .region i{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--cyan), var(--primary));
      box-shadow: 0 0 0 3px rgba(6,182,212,.14);
      display:inline-block;
    }
    .network-right{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      overflow:hidden;
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
    }
    .network-right .maplike{
      padding:16px;
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:10px;
    }
    .node{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.72);
      border-radius: 16px;
      padding:12px;
      display:flex;flex-direction:column;gap:8px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .node:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(59,91,255,.20)}
    .node b{font-size:13px}
    .node span{color:var(--muted);font-size:12px;line-height:1.6}
    .node .bar{
      height:8px;border-radius:999px;background: rgba(17,24,39,.06);
      overflow:hidden;
    }
    .node .bar i{
      display:block;height:100%;
      width:65%;
      background: linear-gradient(90deg, rgba(59,91,255,.85), rgba(124,58,237,.78), rgba(6,182,212,.78));
      border-radius:999px;
    }
    .network-right .net-foot{
      border-top:1px solid rgba(17,24,39,.06);
      padding:12px 16px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.72));
    }
    .net-foot span{color:var(--muted);font-size:12px;line-height:1.6}

    .tag-cloud{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding:16px;
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
    }
    .cloud{
      display:flex;flex-wrap:wrap;gap:10px;
    }
    .cloud a{
      text-decoration:none;
      padding:9px 11px;border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      color:#27314a;
      font-size:12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .cloud a:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(59,91,255,.20)}

    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .price-card{
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding:16px;
      box-shadow: 0 1px 0 rgba(16,24,40,.03);
      overflow:hidden;
      position:relative;
    }
    .price-card::before{
      content:"";
      position:absolute; inset:auto -140px -140px auto;
      width:320px;height:320px;border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(59,91,255,.18), transparent 62%);
      pointer-events:none;
    }
    .price-card > *{position:relative;z-index:1}
    .price-card h3{margin:0 0 10px 0;font-size:15px}
    .price-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .price-steps{
      margin-top:14px;display:flex;flex-direction:column;gap:10px;
    }
    .price-row{
      display:flex;gap:12px;align-items:flex-start;
      border:1px dashed rgba(17,24,39,.12);
      border-radius:16px;
      background: rgba(255,255,255,.65);
      padding:12px;
    }
    .price-row .bno{
      width:34px;height:34px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(59,91,255,.20);
      background: rgba(59,91,255,.10);
      font-weight:900;color:#23305b;
      flex:0 0 auto;
    }
    .price-row b{display:block;font-size:13px;margin-bottom:4px}
    .price-row span{color:var(--muted);font-size:12px;line-height:1.6}

    footer{
      margin-top: 24px;
      padding: 26px 0 34px;
      border-top:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.65);
      backdrop-filter: blur(10px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .foot-left{
      padding:16px;
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
    }
    .foot-left .row{display:flex;align-items:center;gap:12px}
    .foot-left img{width:40px;height:40px;object-fit:contain}
    .foot-left h3{margin:0;font-size:15px}
    .foot-left p{margin:10px 0 0 0;color:var(--muted);font-size:13px;line-height:1.7}
    .foot-links{
      padding:16px;
      border:1px solid rgba(17,24,39,.08);
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
    }
    .foot-links h3{margin:0 0 10px 0;font-size:15px}
    .friend{
      display:flex;flex-wrap:wrap;gap:10px;
    }
    .friend a{
      text-decoration:none;
      padding:9px 10px;border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      color:#27314a;font-size:12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .friend a:hover{transform: translateY(-2px); box-shadow: var(--shadow2); border-color: rgba(59,91,255,.20)}
    .copyright{
      margin-top:14px;
      color:var(--muted2);
      font-size:12px;
      text-align:center;
    }

    .float-help{
      position:fixed;
      right:16px; bottom:16px;
      z-index:80;
      display:flex;flex-direction:column;gap:10px;align-items:flex-end;
      pointer-events:none;
    }
    .float-help .btn2{
      pointer-events:auto;
      width:48px;height:48px;border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: var(--shadow2);
      display:flex;align-items:center;justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .float-help .btn2:hover{transform: translateY(-2px); border-color: rgba(59,91,255,.20); box-shadow: var(--shadow)}
    .float-help .btn2 svg{width:20px;height:20px}
    .qr-pop{
      pointer-events:auto;
      width:230px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.92);
      border-radius:18px;
      box-shadow: var(--shadow);
      overflow:hidden;
      display:none;
      transform-origin: right bottom;
      animation: popIn .18s ease;
    }
    @keyframes popIn{
      from{opacity:0; transform: translateY(10px) scale(.98)}
      to{opacity:1; transform: translateY(0) scale(1)}
    }
    .qr-pop.show{display:block}
    .qr-pop .top{
      padding:12px 12px 10px 12px;
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background: linear-gradient(135deg, rgba(59,91,255,.10), rgba(124,58,237,.08));
    }
    .qr-pop .top strong{font-size:13px}
    .qr-pop .top button{
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.8);
      border-radius:12px;
      width:34px;height:34px;
      cursor:pointer;
    }
    .qr-pop .top button:focus{outline:none;box-shadow:var(--focus)}
    .qr-pop .body{padding:12px}
    .qr-wrap img{width:100%;height:auto;border-radius:14px;display:block}
    .qr-pop .body p{
      margin:10px 0 0 0;color:var(--muted);font-size:12px;line-height:1.6
    }

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

    .backtop{
      position:fixed;
      left:16px; bottom:16px;
      z-index:70;
      display:none;
      pointer-events:auto;
    }
    .backtop button{
      width:48px;height:48px;border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: var(--shadow2);
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex;align-items:center;justify-content:center;
    }
    .backtop button:hover{transform: translateY(-2px); border-color: rgba(59,91,255,.20); box-shadow: var(--shadow)}
    .backtop svg{width:20px;height:20px}

    .anchors{scroll-margin-top: 92px;}
    .muted{color:var(--muted)}
    .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-inner{grid-template-columns: 1fr; }
      .hero-right{min-height: unset}
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .steps{grid-template-columns: 1fr 1fr}
      .case-grid{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .side-box{position:relative; top:auto}
      .comment-grid{grid-template-columns: 1fr}
      .network-grid{grid-template-columns: 1fr}
      .price-grid{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      table{min-width: 680px}
      .nav-links{display:none}
      .nav-cta .btn:not(.btn-hero){display:none}
      .mobile-toggle{display:inline-flex}
      .mobile-menu{display:block}
      header .container{position:relative}
    }
    @media (prefers-reduced-motion: reduce){
      *{animation:none !important; transition:none !important; scroll-behavior:auto !important}
    }