*{box-sizing:border-box;margin:0;padding:0}
body{font:15px/1.7 "Segoe UI","Microsoft YaHei",Arial,sans-serif;color:#222;background:#f4f5f7}
.container{max-width:860px;margin:0 auto;padding:0 24px}

.topbar{background:#1f2d3d;color:#fff;padding:16px 0 12px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.logo{color:#fff;font-size:22px;font-weight:700;text-decoration:none}
.menu{list-style:none;display:flex;gap:18px}
.menu a{color:#c9d4e0;text-decoration:none;font-size:14px}
.menu a:hover{color:#fff}
.sub{color:#8fa2b5;font-size:13px;margin-top:6px}

.body-area{background:#fff;margin:22px 0;padding:30px 34px;border-radius:6px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
h1{font-size:26px;margin-bottom:16px;color:#1f2d3d}
h2{font-size:19px;margin:28px 0 10px;color:#1f2d3d}
h3{font-size:16px;margin:20px 0 8px}
p{margin-bottom:14px}
ul,ol{margin:0 0 14px 20px}
a{color:#2a6db0}

table{width:100%;border-collapse:collapse;margin-bottom:18px;font-size:14px}
th,td{border:1px solid #e2e6ea;padding:8px 11px;text-align:left}
th{background:#eef1f4}

.post-list{list-style:none;margin-left:0}
.post-list li{padding:12px 0;border-bottom:1px solid #eee}
.post-list a{font-size:16px;font-weight:600;text-decoration:none}
.post-list .meta{color:#999;font-size:12px}

.foot{padding:20px 0 40px;color:#8899aa;font-size:13px}
@media(max-width:600px){.body-area{padding:22px 18px}}