/* Shared refinements: quieter decoration, clearer reading, and usable small screens. */
:root{--muted:#9baac0;--line:rgba(147,174,212,.18)}
body{line-height:1.8}
a,button{-webkit-tap-highlight-color:transparent}
button{font:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
.skip-link{position:fixed;top:12px;left:16px;z-index:3000;padding:10px 18px;background:var(--card-solid,#111a2b);border:1px solid var(--cyan);border-radius:8px;transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
nav{background:rgba(10,14,23,.88);backdrop-filter:blur(14px)}
.nav-links a{display:block}
.hero-name{letter-spacing:4px;text-shadow:none}
.hero-pinyin{color:#889ab5;letter-spacing:5px}
.hero-meta{margin-top:20px}
.hero-inner{padding-top:130px;padding-bottom:96px}
.typing-wrap{font-size:clamp(13px,2vw,18px);color:#afbdd1;min-height:0}
.role-badge{letter-spacing:1px;box-shadow:none}
.role-badge .dot,.logo .caret{animation:none}
.hero-cta{margin-top:30px}
.hero-social{gap:12px;margin-top:30px}
.scroll-hint{color:#8a9ab2}
.scroll-hint .chev{animation:none;width:14px;height:14px}
#particles{opacity:.35}
.glow{opacity:.6}
.sec-title,.hero-title{letter-spacing:1px}
.sec-head{margin-bottom:34px}
.about-text p{line-height:1.95}
.about-grid{gap:40px}
.photo-card{box-shadow:0 12px 30px rgba(0,0,0,.2)}
.photo-card::before,.photo-card::after{display:none}
.photo-cap,.proj-date,.tool-note,.wip,.return0,.copy{color:#93a4bd}
.mb-sub{font-size:13px;line-height:1.7}
.stats{gap:14px}
.stat{padding:23px 14px}
.stat-num{font-size:clamp(28px,4vw,38px)}
.stat-num .unit{font-size:.48em}
.skill-card{padding:26px}
.skill-card h3{font-size:17px;letter-spacing:0;gap:9px}
.skill-row{margin-top:0;padding:12px 0;border-bottom:1px solid var(--line)}
.skill-row:first-of-type{margin-top:14px}
.skill-row .row-top{margin-bottom:0;line-height:1.7}
.skill-note{font-family:var(--sans);line-height:1.8;font-size:13px}
.skill-note b{margin-right:5px}
.intern-co{letter-spacing:0}
.intern-co .tip{font-family:var(--sans);font-size:17px;display:block;margin-top:4px}
.hl-body{min-width:0}
.hl-body p,.proj-card li,.proj-desc{line-height:1.9}
.hl-no{flex-shrink:0}
.proj-card{transform:none!important;will-change:auto;transform-style:flat}
.proj-card .shine{display:none}
.proj-stat{font-family:var(--sans);font-size:12.5px;line-height:1.7}
.proj-links{padding-top:20px}
.trait h4{letter-spacing:0}
.trait p{line-height:1.85}
.return0 span[style]{color:#93a4bd!important}
.cta-big{letter-spacing:1px}
.contact-row{gap:14px}
.contact-card,.soc{overflow-wrap:anywhere}
.hero-title{font-size:clamp(34px,5.5vw,56px);line-height:1.35}
.hero-desc{font-size:16px;line-height:1.95;max-width:690px}
#hero>.container>.hero-inner{padding-left:0;padding-right:0}
.hero-tags{gap:8px;margin-top:24px}
.tool{align-items:flex-start;padding:17px 14px;gap:11px}
.tool>div:last-child{min-width:0}
.tool-name{font-size:13.5px;overflow-wrap:anywhere}
.tool-use{line-height:1.7}
.tool-ico{width:38px;height:38px;border-radius:9px}
.shot-cap p,.vs-body p,.more-card p{line-height:1.85}
.shot-cap h4 .m{display:block;margin:5px 0 0;font-weight:400;color:var(--muted)}
.shot-img img{height:auto}
.shot-side .note{border-style:solid;line-height:1.9}
.vs-head{gap:8px;flex-wrap:wrap;padding:14px}
.vs-model{font-size:12px}
.vs-verdict{letter-spacing:0;font-size:10px;padding:3px 7px;white-space:nowrap}
.vs-frame{height:320px}
.demo-link{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;color:var(--cyan);font-size:12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.demo-link:hover{background:rgba(34,211,238,.07)}
.vs-body{flex:1}
.tool-note{font-family:var(--sans);font-size:13px;line-height:1.9}
.wip{font-family:var(--sans)}
.wip .bar{display:none}
.copy{line-height:1.9}
#nav-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:8px;color:var(--text);width:42px;height:40px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
#nav-toggle span{width:18px;height:2px;background:currentColor;display:block;border-radius:2px;transition:transform .2s,opacity .2s}
#nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#nav-toggle.open span:nth-child(2){opacity:0}
#nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(hover:hover){.skill-card:hover,.stat:hover,.trait:hover,.more-card:hover,.shot:hover,.vs-card:hover,.tool:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.22)}}
@media(max-width:1080px){
  .back-btn{padding:8px 11px;font-size:12px}
  .nav-links a{padding-left:9px;padding-right:9px;font-size:13px}
}
@media(max-width:960px){
  .vs-grid{grid-template-columns:1fr}
  .vs-frame{height:400px}
  .hero-inner{padding-top:120px}
  .about-grid{gap:28px}
  .photo-card{width:200px}
  nav:has(.back-btn) #nav-toggle{display:flex;margin-left:auto}
  nav:has(.back-btn) .back-btn{order:1}
  nav:has(.back-btn) .nav-links{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 24px 20px;background:rgba(10,14,23,.98);border-bottom:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(-10px);transition:.2s}
  nav:has(.back-btn) .nav-links.open{opacity:1;visibility:visible;transform:none}
  nav:has(.back-btn) .nav-links a{padding:11px 10px;font-size:14px}
}
@media(max-width:760px){
  #nav-toggle{display:flex}
  .hero-name{font-size:clamp(52px,13vw,78px);letter-spacing:3px}
  .hero-pinyin{font-size:11px;letter-spacing:2px}
  .hero-meta{gap:6px 12px;font-size:13px}
  .hero-inner{padding:116px 24px 80px}
  .hero-social{gap:10px;margin-top:26px}
  .soc{font-size:12px;padding:7px 12px}
  .sec-head{margin-bottom:28px}
  .intern-card{padding:24px 20px}
  .intern-co .tip{font-size:15px}
  .hl-item{gap:10px}
  .proj-card{padding:26px 22px}
  .contact-card{max-width:100%}
  .mb-title .en{display:none}
  .shot-grid-3{gap:18px}
}
@media(max-width:520px){
  .container,.nav-inner{padding-left:20px;padding-right:20px}
  section{padding:64px 0}
  .hero-inner{padding-left:20px;padding-right:20px}
  .role-badge{font-size:14px;padding:8px 15px;letter-spacing:0}
  .hero-cta{margin-top:26px}
  .typing-wrap{font-size:12px}
  .scroll-hint{bottom:18px}
  .stat-label{font-size:12px}
  .skill-card{padding:22px 18px}
  .skill-row .row-top{font-size:13px}
  .trait-grid{grid-template-columns:1fr 1fr;gap:12px}
  .trait{padding:23px 14px;text-align:left}
  .trait .t-ico{margin-left:0;width:42px;height:42px;border-radius:10px}
  .trait h4{font-size:14px}
  .trait p{font-size:12px}
  .more-banner{padding:16px;gap:12px}
  .mb-ico{width:38px;height:38px;border-radius:10px}
  .mb-sub{display:block;font-size:12px}
  .mb-arrow svg{width:18px;height:18px}
  .tool-grid{gap:10px}
  .tool{padding:14px 12px;flex-direction:column;gap:10px}
  .tool-name{font-size:13px}
  .tool-use{font-size:11.5px}
  .vs-frame{height:360px}
  .more-card{padding:20px 16px;gap:12px}
  footer{padding-top:64px}
  .return0{font-size:12px}
  #to-top{right:16px;bottom:16px;width:42px;height:42px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  html.js .reveal{opacity:1;transform:none}
}
@media print{
  .skip-link,.demo-link,#nav-toggle,.scroll-hint{display:none!important}
  .hero-inner{padding:16px 0}
  .hero-pinyin,.hero-meta,.typing-wrap,.skill-row .nm,.skill-note,.copy,.proj-stat{color:#333}
  .skill-row{padding:5px 0;border-color:#ddd}
  .proj-links{padding-top:6px}
  .stat-num{font-size:22px}
  .skill-card,.proj-card,.intern-card,.edu-card,.stat,.trait{break-inside:avoid;box-shadow:none}
  .hero-title{-webkit-text-fill-color:#111}
}