/* Retain the original resume identity; one reading flow on every screen. */
:root{--bg:#faf8f5;--surface:#fefdfb;--ink:#2c2416;--body:#5a4e3c;--muted:#756958;--accent:#8b5e3c;--line:#ded4c7;--soft:#f1eae0;--ease:cubic-bezier(.16,1,.3,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;letter-spacing:0}
html{scroll-padding-top:88px;scrollbar-color:#b5987c var(--bg);-webkit-text-size-adjust:100%}
body{font-family:'Noto Serif SC',Georgia,serif;color:var(--ink);background:var(--bg);line-height:1.85;text-rendering:optimizeLegibility}
[hidden]{display:none!important}
a{color:inherit;text-decoration:none;text-underline-offset:5px}
img{display:block;max-width:100%;height:auto}
button,summary,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
button:disabled{cursor:default;opacity:.4}
button,a,summary{touch-action:manipulation}
:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
::selection{background:#e7d1b4;color:var(--ink)}
.wrap{width:100%;max-width:1080px;padding:0 32px;margin:0 auto}
h1,h2,h3,.nav,.button,.text-link,summary,.record-date,.record-role,.project-heading span,figcaption,.bottom-nav,.footer{font-family:'Noto Sans SC',sans-serif}
h1,h2,h3{line-height:1.5;overflow-wrap:anywhere}
.skip-link{position:fixed;left:16px;top:-100px;background:var(--ink);color:white;padding:10px 16px;z-index:500}
.skip-link:focus{top:8px}
.nav{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;max-width:1180px}
.logo{display:inline-flex;align-items:center;gap:9px;color:var(--accent);font-size:20px;font-weight:700;white-space:nowrap}
.logo img{width:36px;height:36px;object-fit:contain}
.nav-links{display:flex;list-style:none;gap:16px}
.nav-links a{display:block;min-height:44px;padding:10px 12px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:var(--accent);border-color:var(--accent)}
.icon-button,.music-toggle{display:inline-grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--accent);padding:0;font-size:15px;line-height:1}
.icon-button:hover,.music-toggle:hover{background:var(--soft)}
.music-toggle.is-off{color:var(--muted)}
.resume-intro{padding:52px 0 48px}
.intro-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;align-items:center}
.intro-photo{height:320px;overflow:hidden;border-radius:8px}
.intro-photo img{width:100%;height:100%;object-fit:cover;object-position:center 20%}
.intro-copy h1{font-size:40px;margin-bottom:6px}
.intro-headline{font-size:18px;font-weight:600;color:var(--accent);text-wrap:balance}
.intro-identity{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.85}
.intro-description{max-width:42em;color:var(--body);font-size:15px;line-height:1.95;margin-top:14px}
.intro-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:10px 18px;border-radius:6px;font-size:14px;line-height:1.5;background:var(--soft);color:var(--accent)}
.button.primary{background:#7d4a25;color:#fff}
.button:hover{filter:brightness(.94)}
.resume-section{padding:48px 0;border-top:1px solid var(--line)}
.section-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-row h2{font-size:26px}
.text-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--accent);font-size:14px}
.text-link:hover{text-decoration:underline}
#awards{padding-top:24px;padding-bottom:24px}
#awards .section-row{margin-bottom:0}
.cert-stage{height:264px;position:relative;overflow:hidden;perspective:900px;touch-action:pan-y}
.cert-card{position:absolute;top:18px;left:50%;width:max-content;max-width:65%;height:226px;padding:0;border:0;border-radius:0;background:transparent;transform:translateX(-50%) scale(.72);opacity:.5;z-index:1;transition:transform .5s var(--ease),opacity .3s}
.cert-card img{width:auto;height:100%;max-width:100%;object-fit:contain}
.cert-card[data-pos="0"],.cert-card.is-active{transform:translateX(-50%) scale(1);opacity:1;z-index:5}
.cert-card[data-pos="-1"]{transform:translateX(-108%) rotate(-4deg) scale(.82);z-index:3}
.cert-card[data-pos="1"]{transform:translateX(8%) rotate(4deg) scale(.82);z-index:3}
.cert-card[data-pos="-2"]{transform:translateX(-154%) rotate(-7deg) scale(.72);z-index:2}
.cert-card[data-pos="2"]{transform:translateX(54%) rotate(7deg) scale(.72);z-index:2}
.cert-card[data-pos="3"],.cert-card[data-pos="-3"]{opacity:0;visibility:hidden;pointer-events:none}
.cert-caption{font-size:14px;color:var(--accent);font-family:'Noto Sans SC',sans-serif;text-align:center;min-height:26px;margin-top:12px}
.portfolio-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 32px;align-items:start}
.portfolio-item{min-width:0}
.project-filters{display:flex;gap:6px 20px;flex-wrap:wrap;margin-bottom:12px;font-family:'Noto Sans SC',sans-serif}
.project-filters button{min-height:44px;padding:6px 0;border:0;background:none;font-size:13px;color:var(--muted)}
.project-filters button[aria-pressed="true"]{color:var(--accent);font-weight:700;text-decoration:underline;text-underline-offset:7px}
.project-cover.qr-cover{width:100%;aspect-ratio:auto;min-height:300px;border:0;background:none;display:grid;place-items:center;padding:16px}
.project-cover.qr-cover img{width:258px;max-width:100%;height:auto;aspect-ratio:1;object-fit:contain}
.qr-link{border:0;background:none;padding:0}
.public-id{width:100%;font-family:'Noto Sans SC',sans-serif;font-size:13px;color:var(--muted)}
.project-switcher{display:flex;gap:24px;overflow-x:auto;position:relative;border-bottom:1px solid var(--line);margin-bottom:28px;scrollbar-width:thin}
.project-switcher button{flex:0 0 auto;min-height:48px;padding:8px 2px;border:0;border-bottom:2px solid transparent;background:none;font-family:'Noto Sans SC',sans-serif;font-size:15px;color:var(--muted)}
.project-switcher button[aria-selected="true"]{border-color:var(--accent);color:var(--accent);font-weight:700}
.projects-ready .portfolio-grid{display:block}
.projects-ready .portfolio-item{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:0 32px;align-items:center}
.projects-ready .project-heading{margin-top:0}
.projects-ready .project-description{min-height:0}
.projects-ready .inline-gallery{grid-column:1/-1;margin-top:24px}
.project-cover{display:block;aspect-ratio:1.6;overflow:hidden;border-radius:8px;background:#eee9e2;border:1px solid var(--line)}
.project-cover img{width:100%;height:100%;object-fit:contain;transition:filter .2s}
.project-cover:hover img{filter:brightness(.96)}
.project-heading{display:flex;align-items:baseline;justify-content:space-between;gap:8px 16px;flex-wrap:wrap;margin-top:18px}
.project-heading h3{font-size:21px}
.project-heading span{font-size:12px;color:var(--muted)}
.project-description{color:var(--body);font-size:14px;line-height:1.95;margin:10px 0;min-height:82px;max-width:65ch}
.project-links{display:flex;gap:12px;flex-wrap:wrap}
.inline-gallery{border-top:1px solid var(--line);margin-top:10px}
summary{cursor:pointer;min-height:44px;padding:10px 0;line-height:1.6;font-size:13px;color:var(--accent)}
summary:hover{text-decoration:underline;text-underline-offset:5px}
summary span{display:inline-block;margin-left:8px;font-variant-numeric:tabular-nums;color:var(--muted)}
.photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 16px;margin:12px 0 20px;align-items:start}
.photo-grid figure{min-width:0}
.gallery-photo{display:block;width:100%;aspect-ratio:1.5;overflow:hidden;border:1px solid var(--line);border-radius:6px;padding:0;background:#efeae3;cursor:zoom-in}
.gallery-photo img{width:100%;height:100%;object-fit:contain}
figcaption{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.7;overflow-wrap:anywhere}
.group-heading{font-size:16px;color:var(--accent);margin:32px 0 4px}
.section-row+.group-heading{margin-top:0}
.experience-record,.education-record{display:grid;grid-template-columns:174px minmax(0,1fr);gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.record-date{font-size:13px;color:var(--muted);padding-top:3px;font-variant-numeric:tabular-nums}
.experience-body{min-width:0}
.experience-body h3,.education-record h3{font-size:17px}
.record-role{color:var(--accent);font-size:14px;margin-top:4px}
.responsibilities{padding-left:18px;margin:12px 0 0;color:var(--body);font-size:14px;line-height:1.95;max-width:65ch}
.responsibilities li+li{margin-top:6px}
.experience-photos{margin-top:22px}
.experience-summary{color:var(--body);font-size:14px;line-height:1.9;max-width:65ch;margin-top:10px}
.experience-photos{grid-template-columns:repeat(3,minmax(0,1fr))}
.experience-photos .gallery-photo{aspect-ratio:1.5}
.education-record p{color:var(--body);font-size:14px;margin-top:4px}
.education-record:last-child{border-bottom:0;padding-bottom:0}
.award-list{list-style:none}
#awards-detail,#awards-detail h2,#awards-detail h3,#awards-detail summary{font-family:system-ui,-apple-system,'Segoe UI','Microsoft YaHei','PingFang SC',sans-serif}
.award-row{display:grid;grid-template-columns:30px minmax(0,1fr) 160px;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.award-number{color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}
.award-row h3{font-size:16px;font-weight:600;line-height:1.7}
.award-row p{font-size:14px;color:var(--accent);margin-top:6px}
.award-thumbnail{width:100%;height:114px;padding:4px;background:#fff;border:1px solid var(--line);border-radius:4px;cursor:zoom-in}
.award-thumbnail img{width:100%;height:100%;object-fit:contain}
.more-awards{margin-top:14px}
.contact-row{display:flex;gap:20px 50px;flex-wrap:wrap}
.contact-row a{display:inline-flex;align-items:center;gap:14px;min-height:44px;color:var(--accent);font-size:17px;overflow-wrap:anywhere}
.contact-row a:hover span{text-decoration:underline}
.footer{border-top:1px solid var(--line);padding:24px 24px 32px;text-align:center;font-size:12px;color:var(--muted)}
.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:0 24px;margin-top:6px}
.footer-links a{display:inline-flex;align-items:center;gap:6px;min-height:44px}
.footer-links a:hover{text-decoration:underline}
.footer-contact{padding-bottom:20px}.footer-contact h2{font-size:16px;margin-bottom:8px}
.footer-contact .contact-row{justify-content:center;gap:4px 32px}
.footer-contact .contact-row a{font-size:14px}
.bottom-nav{display:none}
.media-dialog{position:fixed;inset:0;margin:auto;width:100%;height:100dvh;max-width:100%;max-height:100dvh;background:#181612;color:#fff;border:0;padding:68px 24px 94px;overflow:hidden}
.media-dialog::backdrop{background:#181612}
.media-dialog[open]{display:flex;align-items:center;justify-content:center}
.media-dialog figure{max-width:100%;text-align:center}
.media-dialog img{display:block;margin:auto;max-width:100%;max-height:calc(100dvh - 210px);width:auto;height:auto;object-fit:contain;touch-action:pan-y}
.media-dialog figcaption{color:#eee7de;max-width:70ch;margin:16px auto 0;font-size:14px}
.media-close{position:absolute;top:max(12px,env(safe-area-inset-top));right:18px}
.media-navigation{position:absolute;bottom:max(26px,env(safe-area-inset-bottom));left:0;right:0;display:flex;align-items:center;justify-content:center;gap:24px}
#mediaPosition{min-width:70px;text-align:center;font-variant-numeric:tabular-nums}
.media-error{position:absolute;top:40%;max-width:80%;text-align:center}
body.dialog-open{overflow:hidden}
.noscript-note{padding:16px;text-align:center;font-size:13px}
@media(max-width:900px){.nav-links{gap:4px}.intro-grid{grid-template-columns:230px minmax(0,1fr);gap:32px}.intro-copy h1{font-size:34px}.intro-photo{height:300px}.intro-headline{font-size:16px}.project-heading h3{font-size:19px}.project-description{min-height:110px}}
@media(max-width:768px){
  html{scroll-padding-top:80px}
  .wrap{padding-inline:22px}
  .nav .wrap{min-height:62px;gap:12px}
  .logo{font-size:18px}.logo img{width:32px;height:32px}
  .nav-links{display:none}
  .bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:100;display:flex;justify-content:space-around;background:var(--bg);border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom))}
  .bottom-nav a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;flex:1;min-width:0;min-height:48px;color:var(--muted);font-size:11px}
  .bottom-nav i{font-size:16px}.bottom-nav a.active{color:var(--accent);font-weight:700}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .resume-intro{padding:30px 0 34px}
  .intro-grid{grid-template-columns:110px minmax(0,1fr);gap:14px 20px;align-items:start}
  .intro-photo{height:150px}
  .intro-copy{display:contents}
  .intro-copy h1,.intro-headline,.intro-identity{grid-column:2}
  .intro-photo{grid-row:1/4}
  .intro-copy h1{font-size:28px;line-height:1.25;margin:0}
  .intro-headline{font-size:14px;line-height:1.8}
  .intro-identity{font-size:12px;margin:0}
  .intro-description,.intro-actions{grid-column:1/-1;margin:0}
  .intro-description{font-size:14px;margin-top:6px}
  .intro-actions{gap:10px;margin-top:4px}
  .resume-section{padding:34px 0}
  .section-row{margin-bottom:22px;gap:10px}
  .section-row h2{font-size:22px}
  .text-link{font-size:13px}
  #awards{padding:18px 0 22px}
  .cert-stage{height:195px}
  .cert-card{height:164px;max-width:65%;top:16px}
  .cert-caption{font-size:12px;min-height:23px;margin-top:8px}
  .portfolio-grid{grid-template-columns:1fr;gap:30px}
  .project-switcher{gap:20px;margin-bottom:22px}.project-switcher button{font-size:14px}
  .projects-ready .portfolio-item{grid-template-columns:1fr;gap:18px}
  .projects-ready .inline-gallery{margin-top:0}
  .project-heading{margin-top:14px}.project-heading h3{font-size:20px}
  .project-description{min-height:0;margin:8px 0}
  .experience-record,.education-record{grid-template-columns:1fr;gap:8px;padding:20px 0}
  .record-date{font-size:12px}
  .experience-body h3,.education-record h3{font-size:16px}
  .group-heading{margin-top:28px;font-size:15px}
  .photo-grid{gap:14px 12px}.experience-photos{margin-top:18px}
  .experience-photos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .experience-photos figure:first-child{grid-column:1/-1}
  .experience-photos .gallery-photo{aspect-ratio:1.2}
  .award-row{grid-template-columns:24px minmax(0,1fr) 94px;gap:10px;padding:16px 0}
  .award-row h3{font-size:14px}.award-row p{font-size:12px}.award-number{font-size:13px}
  .award-thumbnail{height:88px;padding:3px}
  .contact-row{gap:10px;flex-direction:column}.contact-row a{font-size:16px}
  .footer-contact .contact-row{align-items:center}
  .footer{padding:22px 18px}.footer-links{gap:0}.footer-links a{justify-content:center;width:100%}
  .media-dialog{padding-inline:12px}.media-dialog figcaption{font-size:12px}
}
@media(max-width:359px){.wrap{padding-inline:16px}.intro-grid{grid-template-columns:94px minmax(0,1fr);gap:12px}.intro-photo{height:145px}.intro-copy h1{font-size:26px}.intro-headline{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}