.qa-shell{padding:28px 0 50px}.qa-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 280px;gap:18px}.qa-card{background:#fff;border:1px solid #dce8f5;border-radius:18px;box-shadow:0 10px 30px rgba(37,99,235,.07)}.qa-side{padding:16px;position:sticky;top:92px;height:max-content}.qa-side h3,.qa-top h3{margin:0 0 12px;color:#15345f}.qa-cats a{display:block;padding:9px 10px;border-radius:9px;color:#334b6d;text-decoration:none;font-weight:700;font-size:13px}.qa-cats a:hover{background:#edf6ff;color:#1677f2}.qa-main{min-width:0}.qa-hero{padding:20px;background:linear-gradient(135deg,#1769e8,#7538ef,#0bb8cf);color:#fff;border-radius:20px;margin-bottom:14px}.qa-hero h1{margin:0 0 5px;font-size:28px}.qa-search{display:flex;gap:8px;margin-top:14px}.qa-search input{flex:1;border:0;border-radius:12px;padding:12px 14px}.qa-search button{border:0;border-radius:12px;background:#fff;color:#1769e8;font-weight:800;padding:0 16px}.qa-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.qa-tabs a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #dbe7f5;text-decoration:none;color:#425a78;font-size:12px;font-weight:800}.qa-tabs a.active{background:#1677f2;color:#fff}.qa-question{padding:16px;margin-bottom:10px}.qa-tag{display:inline-flex;padding:4px 8px;background:#e9f3ff;color:#1464bc;border-radius:7px;font-size:11px;font-weight:800}.qa-title{display:block;margin:8px 0 5px;color:#142b4f;font-size:17px;font-weight:900;text-decoration:none}.qa-excerpt{color:#697a92;font-size:13px;line-height:1.55}.qa-meta{display:flex;align-items:center;gap:12px;color:#6f7f93;font-size:12px;margin-top:12px}.qa-meta strong{color:#253a5d}.qa-top{padding:16px;position:sticky;top:92px;height:max-content}.qa-rank{display:flex;align-items:center;gap:9px;padding:9px 0;border-bottom:1px solid #edf2f8}.qa-rank img{width:32px;height:32px;border-radius:50%;object-fit:cover}.qa-rank .pts{margin-left:auto;color:#1677f2;font-weight:900}.qa-appbox{margin-top:14px;padding:15px;border-radius:15px;background:linear-gradient(135deg,#fff1fa,#eef6ff);border:1px solid #f2d5e9}.qa-appbox .btn{width:100%;text-align:center;margin-top:10px}.qa-detail{padding:22px}.qa-detail h1{font-size:27px;color:#142b4f}.qa-body{font-size:15px;line-height:1.75;color:#2d405f;white-space:pre-wrap}.qa-answer{padding:16px;margin-top:10px}.qa-action-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.qa-open-app{display:inline-block;padding:10px 14px;border-radius:10px;background:#1677f2;color:#fff;text-decoration:none;font-weight:800}.qa-install{display:inline-block;padding:10px 14px;border-radius:10px;background:#0aaf66;color:#fff;text-decoration:none;font-weight:800}@media(max-width:1000px){.qa-layout{grid-template-columns:1fr}.qa-side,.qa-top{position:static}.qa-side{order:2}.qa-top{order:3}}