*{margin:0;padding:0;box-sizing:border-box}
body{background:#f8fafc;color:#1e293b;font-family:'Inter','PingFang SC',sans-serif;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;border-radius:8px}
.nv{display:flex;align-items:center;justify-content:space-between;padding:14px 5%;background:#fff;border-bottom:1px solid #e2e8f0}
.nv-l{display:flex;align-items:center;gap:10px}
.nv-i{width:28px;height:28px;border-radius:6px;background:#0f172a;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:12px}
.nv-t{font-size:14px;font-weight:600}.nv-s{font-size:9px;color:#94a3b8;letter-spacing:1px}
.nv-ln{display:flex;gap:24px}.nv-ln a{color:#64748b;font-size:13px}.nv-ln a:hover{color:#0f172a}
.nv-r{border:1px solid #3b82f6;border-radius:8px;padding:7px 16px;font-size:12px;color:#3b82f6;font-weight:500}
.top{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;padding:48px 5% 60px}
.to{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hr-h{font-size:36px;font-weight:300;letter-spacing:-.5px;line-height:1.2;margin-bottom:10px}
.hr-h b{font-weight:700}
.hr-p{font-size:14px;color:#94a3b8;margin-bottom:24px;line-height:1.7}
.hr-b{display:flex;gap:10px}
.hr-b a{padding:10px 26px;border-radius:8px;font-size:13px;font-weight:500}
.hr-b1{background:#3b82f6;color:#fff}.hr-b2{background:rgba(255,255,255,.1);color:#cbd5e1}
.fh{background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:14px;height:200px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 10px 30px rgba(59,130,246,.2)}
.ct{max-width:1100px;margin:0 auto;padding:0 5%}
.c2{display:grid;grid-template-columns:2fr 1fr;gap:32px;margin-top:-16px;position:relative;z-index:2}
.sc{padding:28px 0}
.sh{font-size:11px;color:#94a3b8;text-transform:uppercase;letter-spacing:2px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.sh::after{content:"";flex:1;height:1px;background:#e2e8f0}
.art{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid #f1f5f9}
.art-i{width:64px;height:64px;border-radius:10px;background:linear-gradient(135deg,#e2e8f0,#f1f5f9);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:20px;color:#64748b}
.art-c{flex:1}.art-t{font-size:14px;font-weight:600;margin-bottom:3px;line-height:1.3}.art-s{font-size:11px;color:#94a3b8}.art-v{font-size:11px;color:#3b82f6;font-weight:600;white-space:nowrap}
.sd{border:1px solid #e2e8f0;border-radius:10px;padding:14px 16px;margin-bottom:10px;transition:all .2s}
.sd:hover{border-color:#3b82f6;box-shadow:0 2px 10px rgba(59,130,246,.06)}
.sd .t{font-size:13px;font-weight:600;margin-bottom:2px}.sd .s{font-size:10px;color:#94a3b8}
.ft{padding:28px 5%;text-align:center;font-size:11px;color:#94a3b8;border-top:1px solid #e2e8f0;margin-top:28px}

/* Article page */
.artp{max-width:720px;margin:0 auto;padding:32px 5% 40px}
.art-b{font-size:12px;color:#64748b;margin-bottom:16px;display:inline-block}
.art-b:hover{text-decoration:underline}
.art-h1{font-size:26px;font-weight:700;line-height:1.3;margin-bottom:20px}
.ab{font-size:15px;color:#334155;line-height:1.9}
.ab h2{font-size:18px;font-weight:600;margin:28px 0 12px;padding-bottom:6px;border-bottom:1px solid #e2e8f0}
.ab h3{font-size:16px;font-weight:600;margin:22px 0 10px}
.ab p{margin-bottom:16px;text-align:justify}
.ab ul,.ab ol{padding-left:20px;margin:14px 0}
.ab li{margin-bottom:8px}
.ab table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.ab th{background:#f1f5f9;padding:8px 12px;border:1px solid #e2e8f0;font-weight:600}
.ab td{padding:8px 12px;border:1px solid #e2e8f0}
.ab img{margin:16px auto;max-width:100%}
.art-c{text-align:center;padding:24px 0}
.art-c a{display:inline-flex;padding:12px 36px;border-radius:8px;background:#3b82f6;color:#fff;font-weight:600;font-size:14px}

/* Listing page */
.ls{max-width:800px;margin:0 auto;padding:32px 5%}
.ls-h1{font-size:22px;font-weight:700;margin-bottom:20px}
.pg{display:flex;justify-content:center;gap:8px;padding:24px 0}
.pg a,.pg s{padding:6px 14px;border:1px solid #e2e8f0;border-radius:6px;font-size:12px}
.pg .cur{background:#3b82f6;color:#fff;border-color:#3b82f6}

/* 404 */
@media(max-width:768px){.to{grid-template-columns:1fr}.fh{height:140px;font-size:14px}.hr-h{font-size:26px}.c2{grid-template-columns:1fr}}