/* ===== 火星智推 · 博客/新闻共享样式(与官网深空黑+香槟金风格统一) ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: #060810;
  background-image: radial-gradient(ellipse 1200px 800px at 50% 0%, rgba(212,184,100,0.04) 0%, transparent 50%),
    radial-gradient(ellipse 1000px 600px at 20% 40%, rgba(212,184,100,0.025) 0%, transparent 50%),
    linear-gradient(180deg, #060810 0%, #080a14 30%, #07090f 60%, #060810 100%);
  background-attachment: fixed;
  color: #D8E0EC;
  line-height: 1.8;
}

/* ===== 顶部导航 ===== */
.nav { background: rgba(6,8,16,0.9); backdrop-filter: blur(12px); border-bottom: 0.6px solid rgba(180,200,225,0.15); padding: 0 20px; position: sticky; top: 0; z-index: 100; }
.nav-inner { max-width: 860px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav-brand { color: #fff; font-weight: 700; font-size: 16px; text-decoration: none; letter-spacing: 1px; }
.nav-brand span { color: #D4B864; }
.nav-links { display: flex; gap: 22px; }
.nav-links a { color: #8A99B0; text-decoration: none; font-size: 14px; transition: color .2s; letter-spacing: 1px; }
.nav-links a:hover, .nav-links a.active { color: #D4B864; }

/* ===== 内容区 ===== */
.wrap { max-width: 860px; margin: 0 auto; padding: 40px 20px 80px; }
.back { display: inline-block; margin-bottom: 28px; color: #8A99B0; text-decoration: none; font-size: 13px; letter-spacing: 1px; transition: color .2s; }
.back:hover { color: #D4B864; }
h1 { font-size: 28px; margin-bottom: 10px; color: #fff; font-weight: 600; letter-spacing: 1px; }
.sub { color: #8A99B0; font-size: 14px; margin-bottom: 36px; }

/* ===== 文章卡片(列表页) ===== */
.card {
  background: rgba(20,30,50,0.4);
  border: 0.6px solid rgba(180,200,225,0.15);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 16px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(212,184,100,0.35); transform: translateY(-2px); }
.card h2 { font-size: 17px; margin-bottom: 6px; font-weight: 500; }
.card h2 a { color: #D8E0EC; text-decoration: none; transition: color .2s; }
.card h2 a:hover { color: #D4B864; }
.card .desc { color: #8A99B0; font-size: 14px; margin-bottom: 8px; }
.card .meta { color: #5B6B85; font-size: 12.5px; }
.card .tag { display: inline-block; background: rgba(212,184,100,0.12); color: #D4B864; font-size: 12px; padding: 2px 12px; border-radius: 999px; margin-right: 8px; border: 0.6px solid rgba(212,184,100,0.25); }

/* ===== 文章正文页 ===== */
.article { background: rgba(20,30,50,0.35); border: 0.6px solid rgba(180,200,225,0.15); border-radius: 16px; padding: 40px 44px; }
.article h1 { font-size: 26px; line-height: 1.5; margin-bottom: 6px; }
.article .byline { color: #5B6B85; font-size: 13px; margin-bottom: 28px; }
.article p { margin-bottom: 16px; }
.article strong { color: #fff; font-weight: 500; }
.article h2 { color: #fff; font-size: 20px; margin: 32px 0 14px; font-weight: 600; }
.article h3 { color: #D4B864; font-size: 16px; margin: 24px 0 10px; font-weight: 500; }
.article ul, .article ol { margin: 0 0 16px 22px; }
.article li { margin-bottom: 8px; }
.article a { color: #D4B864; text-decoration: none; border-bottom: 0.6px solid rgba(212,184,100,0.3); transition: border-color .2s; }
.article a:hover { border-color: #D4B864; }
.article blockquote { border-left: 2px solid #D4B864; padding: 8px 16px; margin: 16px 0; color: #8A99B0; background: rgba(212,184,100,0.05); border-radius: 0 8px 8px 0; }
.article code { background: rgba(212,184,100,0.1); color: #D4B864; padding: 2px 6px; border-radius: 4px; font-size: 13px; }

/* ===== 文末 CTA ===== */
.cta { margin-top: 40px; padding: 20px 24px; background: rgba(212,184,100,0.08); border: 0.6px solid rgba(212,184,100,0.25); border-radius: 12px; font-size: 14px; line-height: 2; }
.cta a { color: #D4B864; text-decoration: none; font-weight: 500; }
.related { margin-top: 12px; font-size: 13.5px; color: #8A99B0; }
.related a { color: #8A99B0; border-bottom: 0.6px solid rgba(138,153,176,0.4); }
.related a:hover { color: #D4B864; border-color: #D4B864; }

@media (max-width: 600px) {
  .nav-links { gap: 12px; }
  .article { padding: 24px 20px; }
  .card { padding: 18px; }
}