:root{--site-ink: #1e1c18;--site-muted: #6e665d;--site-paper: #f5f0e7;--site-card: #fffdf8;--site-line: #d7cdbf;--site-accent: #8c3d2b;--site-accent-dark: #713828;--site-serif: "STKaiti", "KaiTi", "Songti SC", serif;--site-sans: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif}.site-header{position:sticky;top:0;z-index:50;background:#f8f4eceb;-webkit-backdrop-filter:saturate(1.4) blur(8px);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--site-line);font-family:var(--site-sans)}.site-header__inner{max-width:1500px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:22px}.site-brand{display:inline-flex;align-items:center;gap:9px;color:var(--site-ink);text-decoration:none;flex:0 0 auto}.site-seal{width:30px;height:30px}.site-seal rect{fill:var(--site-accent)}.site-seal text{fill:#fff6ea;font-family:var(--site-serif);font-size:19px}.site-brand__name{font-weight:800;letter-spacing:.06em;font-size:17px}.site-nav{display:flex;gap:6px;flex-wrap:wrap;min-width:0}.site-nav__link{display:inline-flex;align-items:baseline;gap:6px;padding:7px 12px;border-radius:999px;color:#4b4339;text-decoration:none;font-size:14px;white-space:nowrap}a.site-nav__link:hover{background:#efe5d7}.site-nav__link.is-active{background:var(--site-accent-dark);color:#fff}.site-nav__link.is-soon{color:#9a9086;cursor:default}.site-nav__link small{font-size:10px;border:1px solid #d4c8b8;border-radius:999px;padding:1px 6px}.site-header .site-lang{margin-left:auto;padding:6px 12px;border-radius:999px;border:1px solid #bdb1a2;background:#fffaf2;color:#332e27;font-size:13px;cursor:pointer}.site-header .site-lang:hover{background:#f7ecdd}@media (max-width: 640px){.site-header__inner{padding:8px 12px;gap:10px}.site-brand__name{display:none}.site-nav__link{padding:6px 9px;font-size:13px}.site-nav__link small{display:none}}