:root{--text-main:#1f2937;--text-light:#667085;--navy:#0B3D91;--navy-dark:#082B66;--gold:#B8860B;--border:#E5E7EB;--bg:#FFFFFF;--bg-soft:#F8FAFC;--badge-bg:#EEF4FF;--shadow:0 16px 40px rgba(11,61,145,.10)}*{box-sizing:border-box}html.lang-zh .lang-en,body.lang-zh .lang-en{display:none!important}html.lang-en .lang-zh,body.lang-en .lang-zh{display:none!important}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC",Helvetica,Arial,sans-serif;color:var(--text-main);line-height:1.68;margin:0;background:linear-gradient(180deg,#fff 0%,#fbfdff 100%)}a{color:var(--navy);text-decoration:none}a:hover{text-decoration:underline}.top-header{max-width:1200px;margin:0 auto;padding:20px 40px;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.45rem;font-weight:800;color:var(--text-main);letter-spacing:.2px}.logo span{font-size:1rem;color:var(--text-light);font-weight:600;margin-left:6px}.top-nav{display:flex;gap:24px;align-items:center}.top-nav a{color:var(--text-main);font-size:.95rem;font-weight:650;padding-bottom:5px}.top-nav a:hover,.top-nav a.active{border-bottom:2px solid var(--navy);text-decoration:none}.lang-toggle{border:1px solid var(--border);background:#fff;border-radius:999px;padding:7px 12px;color:var(--navy);font-weight:800;cursor:pointer}.nav-toggle{display:none;background:none;border:0;font-size:1.5rem}.header-divider{border:none;border-bottom:1px solid var(--border);margin:0}.container{max-width:1200px;margin:0 auto;padding:44px 40px}.home-layout{display:flex;gap:62px;align-items:flex-start}.home-image-wrapper{flex:0 0 310px}.portrait-card{position:sticky;top:24px}.home-image{width:100%;border-radius:0 68px 0 68px;box-shadow:var(--shadow);border:1px solid rgba(11,61,145,.08);display:block}.portrait-caption{margin-top:14px;padding:12px 14px;border-left:3px solid var(--gold);background:var(--bg-soft);font-size:.88rem;color:var(--text-light)}.home-content{flex:1}.eyebrow{color:var(--navy);font-weight:800;letter-spacing:1.4px;text-transform:uppercase;font-size:.78rem;margin-top:4px}.page-title{font-family:Georgia,"Times New Roman",serif;font-size:2.7rem;margin:0 0 26px;display:inline-block;border-bottom:3px solid var(--gold);padding-bottom:5px}.lead{font-size:1.12rem;color:#344054}.blue-subhead{color:var(--navy);font-size:.86rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-top:30px;margin-bottom:10px}.home-links-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin-top:30px;font-size:.92rem}.home-links-grid a{color:var(--text-main);display:flex;align-items:center;gap:10px;white-space:nowrap;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#fff}.home-links-grid a:hover{border-color:var(--navy);text-decoration:none;box-shadow:0 8px 24px rgba(11,61,145,.08)}.quick-section{margin-top:58px}.section-header{display:flex;align-items:center;gap:10px;font-size:1.08rem;font-weight:800;text-transform:uppercase;color:var(--text-main);border-bottom:2px solid var(--navy);padding-bottom:10px;margin:40px 0 22px}.highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.highlight-card{border:1px solid var(--border);border-radius:18px;padding:22px;background:#fff;box-shadow:0 8px 22px rgba(15,23,42,.04)}.highlight-card strong{color:var(--navy)}.highlight-card p{color:var(--text-light);margin-bottom:0}.subpage-header-container{display:flex;gap:28px;align-items:center;max-width:1000px;margin:0 auto 40px}.sub-photo{width:120px;height:160px;object-fit:cover;border-radius:12px;box-shadow:var(--shadow)}.sub-info h2{margin:0 0 5px;font-size:1.25rem}.sub-info p{margin:2px 0;font-size:.9rem;color:var(--text-light)}.subpage-title{font-family:Georgia,"Times New Roman",serif;font-size:2.25rem;margin:16px 0 0;text-transform:uppercase;display:inline-block;border-bottom:3px solid var(--gold);padding-bottom:2px}.subpage-divider{border:none;border-bottom:1px solid var(--border);margin:0 auto 40px;max-width:1000px}.content-wrapper{max-width:1000px;margin:0 auto}.grid-list{display:grid;grid-template-columns:1fr 1fr;column-gap:40px;row-gap:15px}.grid-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px dashed var(--border);font-size:.95rem}.item-name{flex:1;padding-right:15px}.badge{color:var(--navy);background:var(--badge-bg);padding:4px 8px;border-radius:5px;font-size:.74rem;font-weight:800;text-transform:uppercase;white-space:nowrap}.paper-item{padding:18px 0;border-bottom:1px dashed var(--border);font-size:.96rem}.paper-title{font-weight:800}.paper-item p{color:var(--text-light);margin:.45rem 0}.paper-badges{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}.timeline{display:grid;gap:16px}.timeline-item{border-left:3px solid var(--gold);background:#fff;border-radius:0 14px 14px 0;padding:16px 18px;box-shadow:0 8px 22px rgba(15,23,42,.04);border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border)}.timeline-item span{display:block;color:var(--navy);font-weight:750;margin-top:4px}.timeline-item p{color:var(--text-light);margin-bottom:0}.skill-cloud{display:flex;flex-wrap:wrap;gap:10px}.skill-cloud span{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 12px;font-size:.9rem}.muted{color:var(--text-light)}.cv-panel{background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:0 8px 24px rgba(15,23,42,.04)}.button{display:inline-flex;align-items:center;padding:10px 15px;border-radius:12px;background:var(--navy);color:#fff;font-weight:800}.button:hover{text-decoration:none;background:var(--navy-dark)}.clean-list{padding-left:1.2rem}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-grid a{border:1px solid var(--border);border-radius:16px;padding:18px;background:#fff;color:var(--text-main);display:flex;flex-direction:column}.contact-grid a:hover{text-decoration:none;border-color:var(--navy);box-shadow:0 8px 22px rgba(11,61,145,.08)}.contact-grid span{color:var(--text-light);font-size:.9rem}footer{text-align:center;color:var(--text-light);font-size:.88rem;border-top:1px solid var(--border);margin-top:30px;padding:28px 20px}@media(max-width:880px){.top-header{padding:16px 22px}.nav-toggle{display:block}.top-nav{display:none;position:absolute;left:20px;right:20px;top:64px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:14px;z-index:10;flex-direction:column;gap:12px;align-items:flex-start}body.nav-open .top-nav{display:flex}.container{padding:30px 22px}.home-layout{flex-direction:column;gap:30px}.home-image-wrapper{flex:auto;width:100%;max-width:320px}.portrait-card{position:static}.home-links-grid,.grid-list,.contact-grid,.highlight-grid{grid-template-columns:1fr}.subpage-header-container{align-items:flex-start}.sub-photo{width:84px;height:112px}.subpage-title{font-size:1.75rem}.page-title{font-size:2.15rem}}