:root{color-scheme:dark;--paper:#05080b;--ink:#edf2f7;--muted:#9ba8b8;--hair:#24303b;--blue:#22d3ee}
*{box-sizing:border-box;min-width:0;letter-spacing:0}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.8 Inter,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif}
a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--blue);outline-offset:6px}
h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35;font-weight:600}em{font-style:normal}
.wrap{width:calc(100% - 96px);max-width:1200px;margin:auto}
.topbar,.hero-aside,.section-no,.project-exp-no,.work-no,footer{display:none}
.hero{position:relative;isolation:isolate;min-height:410px;display:flex;align-items:center}
.hero:before{content:"";position:absolute;z-index:-1;inset:0 calc((1200px - 100vw)/2);background:url('../assets/ribbon-fallback.png?v=20260923-clean') center/cover no-repeat;opacity:.45;pointer-events:none}
.hero-copy{padding:48px 0 70px;max-width:800px}
.hero h1{font-size:64px;line-height:1.1;margin-bottom:18px}
.role-line{font-size:18px;margin-bottom:14px}
.hero-statement{font-size:28px;margin-bottom:14px}
.hero-intro{max-width:720px;color:var(--muted);font-size:15px;line-height:1.9}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:12px 0 30px}
.fact{text-align:center;padding:0 18px;border-right:1px solid var(--hair)}.fact:last-child{border:0}
.fact strong{display:block;font-size:30px;line-height:1.3;margin-bottom:8px}
.fact .label,.fact .detail{display:block;color:var(--muted);font-size:13px}.fact .detail{font-size:11px;margin-top:4px}
.section{padding:36px 0;border-bottom:1px solid var(--hair);scroll-margin-top:24px}
.section-title{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}
.section-title h2{font-size:24px}.section-en{font-size:12px;color:var(--muted)}
#index{padding:14px 0 0}#index .section-title{display:none}
.index-grid{display:flex;gap:40px;flex-wrap:wrap}.index-item{padding:12px 0;border-bottom:2px solid transparent}
.index-item h3{font-size:14px;font-weight:400}.index-item p{display:none}.index-item:hover,.index-item:focus-visible{color:var(--blue);border-bottom-color:var(--blue)}
.experience-intro{color:var(--muted);margin-bottom:22px;font-size:14px}
.job{position:relative;display:grid;grid-template-columns:140px 180px minmax(0,1fr);gap:24px;padding:16px 0}
.job:before{content:"";position:absolute;left:145px;top:26px;bottom:-26px;border-left:1px solid var(--hair)}.job:last-child:before{bottom:24px}
.job:after{content:"";position:absolute;left:142px;top:26px;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.job-time{color:var(--muted);font-size:13px}.job h3{font-size:16px;padding-left:8px}.job p,.job-points{font-size:13px;color:var(--muted)}
.job-points,.project-desc-list{display:grid;gap:6px}b{font-weight:500;color:#c9d4de}
.project-exp,.works{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.project-exp-row,.work{padding:24px;background:#0a0f15;border:1px solid var(--hair);border-radius:8px}
.project-exp-row h3,.work h3{font-size:18px;margin-bottom:8px}
.project-role{font-size:12px;color:var(--blue);margin-bottom:14px}
.project-desc,.project-desc-list,.work p{font-size:13px;line-height:1.9;color:var(--muted)}
.work{display:flex;flex-direction:column;gap:20px;transition:border-color .2s}.work:hover{border-color:var(--blue)}
.work-result{margin-top:auto;padding-top:14px;border-top:1px solid var(--hair);display:flex;gap:18px;align-items:baseline}
.work-result strong{font-size:22px;color:var(--ink)}.work-result span{font-size:12px;color:var(--muted)}
.lab-band{display:grid;grid-template-columns:1fr 1fr;gap:56px}.lab-band h3{font-size:28px;margin-bottom:20px}.lab-band em{color:var(--blue)}
.lab-band p{color:var(--muted);font-size:14px}.lab-list{display:grid;gap:18px}.lab-row{display:flex;gap:24px;border-bottom:1px solid var(--hair);padding-bottom:16px}
.lab-row>span{color:var(--blue);font-size:12px}.lab-row strong{display:block;font-weight:500}.lab-row small{color:var(--muted);font-size:12px}
.contact{display:flex;justify-content:space-between;gap:36px;padding:54px 0 60px}.contact h2{font-size:28px}.contact-side{color:var(--muted);font-size:13px}.email{color:var(--blue);margin-top:10px;overflow-wrap:anywhere}
@media(max-width:1296px){.hero:before{inset:0 -48px}}
@media(max-width:800px){
 .wrap{width:calc(100% - 40px)}.hero{min-height:330px}.hero:before{inset:0 -20px;background-position:center bottom;opacity:.35}
 .hero-copy{padding:28px 0 86px}.hero h1{font-size:42px}.role-line{font-size:14px}.hero-statement{font-size:20px}.hero-intro{font-size:13px}
 .facts{grid-template-columns:repeat(2,minmax(0,1fr));padding:4px 0 20px;row-gap:22px}.fact{padding:0 10px}.fact:nth-child(2){border:0}.fact strong{font-size:26px}.fact .label{font-size:12px}
 .index-grid{gap:0;justify-content:space-between}.index-item h3{font-size:12px}.section{padding:28px 0}.section-title h2{font-size:22px}.section-en{display:none}
 .job{grid-template-columns:86px minmax(0,1fr);gap:8px 22px;padding:14px 0}.job h3{padding:0;font-size:15px}.job-points,.job>p{grid-column:2}.job-time{font-size:11px}
 .job:before{left:96px;top:22px;bottom:-22px}.job:after{left:93px;top:22px}.job:last-child:before{bottom:18px}
 .project-exp,.works,.lab-band{grid-template-columns:minmax(0,1fr);gap:14px}.project-exp-row,.work{padding:20px}.project-exp-row h3,.work h3{font-size:17px}
 .lab-band{gap:28px}.lab-band h3,.contact h2{font-size:24px}.contact{flex-direction:column;padding:36px 0;gap:24px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}