/* ============================================================
 * 观象台 · 共享壳层样式（core/shell.css）
 * 由 core/shell.js 注入到 #gx-nav / #gx-foot。
 * 暗金风格，与首页 index.html 视觉一致，自包含不依赖各页 CSS。
 * ============================================================ */
.gx-nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(17,17,15,.95),rgba(17,17,15,.6));
  border-bottom:1px solid rgba(255,255,255,.08)}
.gx-nav .gx-in{max-width:1080px;margin:0 auto;padding:0 24px;height:62px;
  display:flex;align-items:center;justify-content:space-between;gap:18px}
.gx-nav .gx-brand{font-weight:600;font-size:19px;letter-spacing:.2em;display:flex;align-items:center;gap:11px;color:#f7f7f6;text-decoration:none}
.gx-nav .gx-brand .seal{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;
  background:linear-gradient(135deg,#c9a44c,#ff9a6a);color:#1a160f;font-weight:700;font-size:14px}
.gx-nav .gx-links{display:flex;flex-wrap:wrap;gap:14px;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:13.5px;color:rgba(247,247,246,.66)}
.gx-nav .gx-links a{color:inherit;text-decoration:none;transition:color .25s}
.gx-nav .gx-links a:hover{color:#f7f7f6}
.gx-nav .gx-links .gx-sep{color:rgba(201,164,76,.4)}
@media(max-width:860px){.gx-nav .gx-links{display:none}}
.gx-banner{max-width:1080px;margin:0 auto;padding:9px 24px 0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:12px;letter-spacing:.1em;color:rgba(247,247,246,.4)}

.gx-foot{border-top:1px solid rgba(255,255,255,.08);margin-top:60px;padding:34px 0 50px;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:12.5px;color:rgba(247,247,246,.4)}
.gx-foot .gx-in{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.gx-foot .gx-disc{max-width:680px;line-height:1.6}
.gx-foot .gx-fl{display:flex;flex-wrap:wrap;gap:12px}
.gx-foot .gx-fl a{color:rgba(247,247,246,.6);text-decoration:none}
.gx-foot .gx-fl a:hover{color:#f7f7f6}