/* =====================================================
   潮宿KEYS 全站字体（2026-08-07，参考 matrix.build 字体体系）
   - 大标题：Instrument Serif（英文衬线）+ Noto Serif SC（中文宋体），编辑感
   - 正文：系统无衬线（苹方/思源黑体），与 matrix 中文正文策略一致
   - 引标/代码：DM Mono
   说明：ABC Oracle 为商业授权字体不可自托管，正文以系统字体近似；
   Web 字体经国内可用镜像加载，失败时优雅回退系统字体（display:swap）。
   ===================================================== */
@import url('https://fonts.loli.net/css2?family=Instrument+Serif&family=DM+Mono:wght@400;500&family=Noto+Serif+SC:wght@500;700&display=swap');

body{font-family:-apple-system,"PingFang SC","Noto Sans SC","Segoe UI","Helvetica Neue",sans-serif}

/* 展示级标题：衬线（英文 Instrument Serif / 中文思源宋体） */
h1,h2,
.hero h1,.section-head h2,.passport-copy h2,.join-section h2,
.page-hero h1,.bf-hero h1,.bf-section>h2,.bf-cta h2,
.detail-info h1,.detail-section h2,
.pn-copy h1,.pa-copy h1,
.mb-card h2,.pbk-cover h1{
  font-family:"Instrument Serif","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  font-weight:600;
  letter-spacing:-.02em;
}

/* 引标 / 数据标签：DM Mono 优先 */
.kicker,.eyebrow,.panel-top,.globe-copy>span,.action-index,
.opportunity-headings span,.task-match span,.passport-brand,
.passport-name span,.passport-data b,.passport-code,.globe-summary strong,
.friendliness b,.network-strip>span small,.footer-partner .kicker,
.mb-card .mid,.mb-stats b,.bf-plan .badge,.bf-steps i,
.pbk-cover small,.pbk-page .ph,.pbk-pageno,.pbk-credit b{
  font-family:"DM Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* 荧光绿页脚条：标语与链接与展示级标题同款衬线（2026-08-07） */
.site-footer .footer-bottom p,
.site-footer .footer-bottom>div a,
.footer-partner h2{
  font-family:"Instrument Serif","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  font-weight:600;
}

/* 品牌字标与按钮保持无衬线的力度 */
.brand,.brand small,.button,button{font-family:-apple-system,"PingFang SC","Noto Sans SC","Segoe UI",sans-serif}