.gkn-wrap{max-width:1200px;margin:20px auto;padding:0 12px;box-sizing:border-box;}
  .gkn-shell{display:flex;gap:16px;align-items:flex-start;}
  .gkn-card{background:#fff;border:1px solid #e9e9e9;border-radius:16px;box-shadow:0 1px 3px rgba(0,0,0,.06);}
  .gkn-soft{border:1px solid #eef0f3;border-radius:14px;}
  .gkn-h1{margin:0;font-size:22px;font-weight:1000;letter-spacing:-.2px;color:#111;line-height:1.25;}
  .gkn-muted{color:#6b7280;}

  /* Sidebar */
  .gkn-side{width:280px;flex:0 0 280px;}
  .gkn-side-head{padding:16px;border-bottom:1px solid #eef0f3;}
  .gkn-side-title{font-size:14px;font-weight:1000;color:#111;margin:0;}
  .gkn-side-sub{font-size:12px;font-weight:700;color:#6b7280;margin-top:4px;}
  .gkn-side-body{padding:12px;}
  .gkn-catlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}
  .gkn-catlink{display:flex;align-items:center;justify-content:space-between;gap:10px;text-decoration:none;padding:12px;border-radius:12px;border:1px solid #eef0f3;background:#fff;color:#111;font-weight:900;font-size:13px;}
  .gkn-catlink:hover{border-color:#dfe3ea;}
  .gkn-catlink:focus{outline:2px solid rgba(17,17,17,.15);outline-offset:2px;}
  .gkn-catlink.active{border-color:#111;background:#111;color:#fff;}

  /* Content */
  .gkn-main{flex:1;min-width:0;}
  .gkn-head{padding:18px 18px 14px 18px;border-bottom:1px solid #eef0f3;}
  .gkn-breadcrumb{font-size:12px;color:#6b7280;line-height:1.4;margin-top:8px;}
  .gkn-breadcrumb a{color:#6b7280;text-decoration:underline;font-weight:800;}
  .gkn-meta{margin-top:10px;font-size:12px;color:#6b7280;}

  .gkn-body{padding:18px;}
  .gkn-hero{margin:0 0 14px 0;border:1px solid #eef0f3;border-radius:14px;overflow:hidden;background:#f6f7f9;}
  .gkn-hero img{width:100%;height:auto;display:block;}

  /* Make blog content look premium (without breaking existing HTML) */
  .gkn-content{font-size:15px;line-height:1.8;color:#111;}
  .gkn-content p{margin:0 0 12px 0;}
  .gkn-content h2{margin:18px 0 10px 0;font-size:17px;font-weight:1000;letter-spacing:-.1px;}
  .gkn-content h3{margin:16px 0 8px 0;font-size:16px;font-weight:1000;letter-spacing:-.1px;}
  .gkn-content ul{margin:0 0 12px 18px;}
  .gkn-content li{margin:0 0 6px 0;}
  .gkn-content a{color:#111;font-weight:900;text-decoration:underline;}

  /* Bottom nav */
  .gkn-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
  .gkn-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;padding:11px 12px;border-radius:12px;border:1px solid #eef0f3;background:#fff;color:#111;font-weight:1000;font-size:13px;}
  .gkn-btn:hover{border-color:#dfe3ea;}
  .gkn-btn.primary{border-color:#111;background:#111;color:#fff;}
  .gkn-btn:focus{outline:2px solid rgba(17,17,17,.15);outline-offset:2px;}

  @media (max-width: 980px){
    .gkn-shell{flex-direction:column;}
    .gkn-side{width:100%;flex:0 0 auto;}
  }