:root{
  --navy:#0b1f3a; --navy2:#13315c; --gold:#c8a951; --gold2:#e3c275;
  --ink:#1a1a1a; --gray:#5a5a5a; --paper:#ffffff;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:840px;margin:0 auto;padding:0 20px}
/* ===== nav (same as main site) ===== */
nav{position:sticky;top:0;z-index:50;background:var(--navy);border-bottom:3px solid var(--gold)}
.nav-in{position:relative;max-width:1100px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.brand b{font-size:22px;letter-spacing:1px;color:var(--gold);white-space:nowrap}
.brand span{font-size:12px;color:#9fb3d0;letter-spacing:1px;display:block}
.nav-links{display:flex;gap:22px;font-size:15px;font-weight:700}
.nav-links a{color:#e3e9f2;transition:.2s}
.nav-links a:hover{color:var(--gold)}
.btn-gold{background:var(--gold);color:var(--navy);padding:8px 16px;border-radius:4px;font-weight:700;font-size:14px;white-space:nowrap}
.btn-gold:hover{background:var(--gold2)}
.nav-toggle{display:none;font-size:26px;color:var(--gold);background:none;border:none;cursor:pointer;padding:4px 6px;line-height:1}
/* ===== article (recolored to main theme) ===== */
.article{max-width:840px;margin:0 auto;padding:34px 20px 60px}
.top{border-bottom:1px solid #eee;padding-bottom:14px;margin-bottom:26px;font-size:14px;color:#777}
.top a{color:var(--gold);text-decoration:none}
h1{font-size:28px;line-height:1.4;margin:0 0 10px;color:var(--navy)}
.meta{color:#999;font-size:13px;margin-bottom:26px}
h2{font-size:20px;margin:34px 0 12px;padding-left:10px;border-left:4px solid var(--gold);color:var(--navy)}
h3{font-size:17px;margin:24px 0 8px;color:var(--navy)}
blockquote{margin:0 0 22px;padding:14px 18px;background:#faf7f2;border-left:4px solid var(--gold);color:#555;border-radius:0 6px 6px 0}
blockquote p{margin:0}
ul,ol{padding-left:22px}li{margin:5px 0}
hr{border:0;border-top:1px solid #eee;margin:34px 0}
table{border-collapse:collapse;width:100%;margin:16px 0;font-size:15px}
th,td{border:1px solid #e5e5e5;padding:9px 11px;text-align:left}
th{background:#faf7f2}
.lead{color:#666;margin:0 0 30px;font-size:15px}
.foot{margin-top:40px;padding-top:20px;border-top:1px solid #eee;font-size:13px;color:#888;line-height:1.9}
.foot b{color:var(--navy)}
a{color:var(--gold)}
/* index list cards */
ul.cards{list-style:none;padding:0;margin:0}
ul.cards li{border:1px solid #eee;border-radius:8px;margin-bottom:16px;transition:.2s}
ul.cards li:hover{border-color:var(--gold);box-shadow:0 2px 10px rgba(200,169,81,.15)}
ul.cards li a{display:block;padding:18px 20px}
ul.cards h2{font-size:18px;margin:0 0 6px;color:var(--navy);border:0;padding:0}
ul.cards p{margin:0 0 8px;color:#666;font-size:15px}
ul.cards span{font-size:13px;color:#aaa}
/* ===== footer (same as main site) ===== */
footer{background:var(--navy);color:#9fb3d0;padding:42px 0;font-size:13.5px;text-align:center;border-top:6px solid var(--gold);line-height:2}
footer b{color:var(--gold)}
footer .hl{color:var(--gold2);font-weight:700}
footer a{color:#9fb3d0;text-decoration:none}
footer a:hover{color:var(--gold2)}
/* ===== mobile ===== */
@media(max-width:860px){
  .nav-in{height:auto;padding:12px 16px;flex-wrap:wrap}
  .nav-toggle{display:block;margin-left:auto}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;gap:0;padding:8px 20px 16px;border-bottom:2px solid var(--gold);box-shadow:0 10px 24px rgba(0,0,0,.35)}
  .nav-links.show{display:flex}
  .nav-links a{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:16px}
  .btn-gold{margin-top:10px}
  .article{padding:24px 16px 50px}
  h1{font-size:24px}
}