/* Shared chrome and calm, compact reading layout. */
:root{--page-lead-gap:26px;--page-lead-size:19px;--page-lead-line-height:1.7}
.site-header{gap:26px}
.primary-nav{margin-left:auto;margin-right:24px}
.language-toggle{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-width:44px;min-height:44px;padding:8px 0;border:0;background:none;color:inherit;font:400 13px/1.4 var(--sans);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.section-divider{display:flex;align-items:center;justify-content:center;gap:24px;width:100%;margin:0 0 30px;font:500 13px/1.7 var(--sans);letter-spacing:.035em;color:var(--muted);text-align:center}
.section-divider::before,.section-divider::after{content:"";flex:1;min-width:18px;height:1px;background:var(--line)}
.section-divider>span{max-width:70%;overflow-wrap:anywhere}
.about-draft{width:100%;margin:0;padding:0}
.about-draft .page-title{margin-bottom:var(--page-lead-gap)}
.about-draft .about-introduction{margin:0}
.about-draft .about-bio{max-width:none;margin:0;font-size:var(--page-lead-size);line-height:var(--page-lead-line-height)}
.about-contacts{display:flex;align-items:center;flex-wrap:wrap;gap:0 15px;margin-top:13px;width:fit-content;max-width:100%;font:400 14px/1.5 var(--sans);color:var(--muted)}
.contact-link{display:inline-flex;align-items:center;justify-content:center;width:32px;min-height:44px;padding:0;border:0;border-radius:0;background:none;color:inherit;font:inherit;transition:color .18s ease}
.contact-link:hover,.contact-link:focus-visible{color:var(--ink)}
.contact-icon{display:block;flex:none;width:21px;height:21px}
.contact-linkedin .contact-icon{width:20px;height:20px;transform:translateY(.1px)}
.contact-wechat-symbol{width:23px;height:23px;transform:translateY(.75px)}
.contact-copied-symbol{display:none}
.contact-email[data-copy-state=copied] .contact-email-symbol{display:none}
.contact-email[data-copy-state=copied] .contact-copied-symbol{display:block}
.contact-wechat{display:flex;align-items:center;position:relative;z-index:10}
.contact-popover{position:absolute;z-index:20;width:min(248px,calc(100vw - 32px));max-height:calc(100svh - 32px);overflow-y:auto;padding:16px;background:#fff;border:1px solid #324a4b20;border-radius:4px;box-shadow:0 8px 28px #20353a14;text-align:center;overscroll-behavior:contain}
.contact-popover img{display:block;width:100%;height:auto}
.contact-popover p{margin:10px 0 5px;font:400 12px/1.6 var(--sans);color:var(--muted)}
.contact-qr-save{display:inline-flex;align-items:center;justify-content:center;min-height:36px;font:400 12px/1.5 var(--sans);color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.contact-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.about-draft .contact-email-fallback{display:flex;flex-wrap:wrap;gap:8px 16px;margin:5px 0 0;font:400 13px/1.6 var(--sans);color:var(--muted);overflow-wrap:anywhere}
.contact-email-fallback span{user-select:text;-webkit-user-select:text}
.contact-email-fallback a{text-decoration:underline;text-underline-offset:4px}
.about-interests,.about-databases{width:min(100%,820px);margin-inline:auto}
.about-interests{margin-top:58px}
.about-databases{margin-top:54px}
.interest-list{margin:0;padding-left:23px;list-style:disc;font:400 15px/1.8 var(--sans)}
.interest-topic{display:list-item;margin:0 0 15px;padding:0 0 0 3px;border:0;overflow-wrap:anywhere}
.interest-label{font-weight:600}
.interest-copy{font-weight:400}
.database-list{display:flex;justify-content:center;flex-wrap:wrap;gap:16px 36px;margin:0;padding:0;list-style:none;font-size:15px}
@media(max-width:700px){
  :root{--page-lead-gap:23px;--page-lead-size:17px}
  .site-header{flex-wrap:nowrap;gap:16px;padding:18px 0 12px}
  .primary-nav{order:0;width:auto;margin:0 auto 0 0;gap:26px}
  .language-toggle{font-size:13px}
  .about-interests{margin-top:44px}
  .about-databases{margin-top:42px}
  .section-divider{gap:15px;margin-bottom:25px;font-size:12px}
  .interest-list{padding-left:19px;font-size:15px;line-height:1.85}
  .interest-topic{margin-bottom:14px;padding-left:1px}
}
@media(max-width:360px){.primary-nav{gap:20px}.section-divider{gap:12px}}
@media(prefers-reduced-motion:reduce){.contact-link{transition:none}}