*{box-sizing:border-box}body{color:#0f172a;background:#f6f8fc;margin:0;font-family:Arial,sans-serif}a{color:inherit}.nav{justify-content:space-between;align-items:center;max-width:1180px;margin:0 auto;padding:24px;display:flex}.logo{font-size:26px;font-weight:900;text-decoration:none}.nav nav{gap:24px;display:flex}.nav nav a{color:#334155;font-weight:700;text-decoration:none}.wrap,.postWrap{max-width:1180px;margin:0 auto;padding:20px 24px 90px}.hero{text-align:center;padding:56px 0 46px}.hero p,.category{color:#2563eb;letter-spacing:.08em;text-transform:uppercase;font-size:13px;font-weight:900}.hero h1{margin:12px 0 16px;font-size:56px}.hero span{color:#475569;font-size:18px}.grid{grid-template-columns:repeat(2,1fr);gap:30px;display:grid}.card,.post,.relatedCard{background:#fff;border:1px solid #e5eaf2;border-radius:22px;overflow:hidden;box-shadow:0 18px 45px #0f172a14}.thumb,.cover{color:#fff;background:linear-gradient(135deg,#0f172a,#2563eb);justify-content:center;align-items:center;height:260px;font-size:34px;font-weight:900;display:flex}.body{padding:30px}time{color:#64748b;font-size:14px}.card h2{font-size:30px;line-height:1.2}.card p{color:#475569;font-size:16px;line-height:1.75}.btn{color:#fff;background:#2563eb;border-radius:999px;margin-top:16px;padding:12px 18px;font-weight:800;text-decoration:none;display:inline-block}.post{max-width:900px;margin:34px auto 0;padding:58px 70px 66px}.post h1{text-align:center;max-width:780px;margin:12px auto 16px;font-size:48px;line-height:1.12}.post>.category,.post>time{text-align:center;display:block}.cover{border-radius:20px;margin:36px 0 46px}.content{color:#263348;max-width:720px;margin:0 auto;font-size:18px;line-height:1.9}.related{max-width:900px;margin:56px auto 0}.related h2{font-size:32px}.relatedGrid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.relatedCard{padding:26px;text-decoration:none}.relatedCard h3{font-size:22px;line-height:1.25}.simple{text-align:center;max-width:760px;margin:100px auto}@media (max-width:760px){.grid,.relatedGrid{grid-template-columns:1fr}.hero h1{font-size:38px}.post{padding:32px 22px 42px}.post h1{font-size:32px}}.admin button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:999px;margin-top:20px;padding:12px 18px;font-weight:900}.admin{background:#fff;border:1px solid #e5eaf2;border-radius:22px;max-width:860px;margin:40px auto 90px;padding:34px;box-shadow:0 18px 45px #0f172a14}.admin h1{margin-top:0}.admin label{margin:18px 0 8px;font-weight:800;display:block}.admin input,.admin textarea{border:1px solid #cbd5e1;border-radius:10px;width:100%;padding:13px 14px;font-family:Arial,sans-serif;font-size:16px}.admin button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:999px;margin-top:20px;margin-right:10px;padding:12px 18px;font-weight:900}.admin .secondary{background:#0f172a}.admin .danger{background:#dc2626}.msg{color:#2563eb;font-weight:800}.adminList{margin-top:20px}.adminItem{border-top:1px solid #e5eaf2;justify-content:space-between;gap:18px;padding:18px 0;display:flex}.adminItem p{color:#64748b;margin:6px 0 0}