:root {
  color-scheme: light;
  --ink: #253847; --muted: #566b7b; --accent: #264d70;
  --line: #dce4eb; --paper: #fff; --rail: #f1f5f8; --page: #e9eef3;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--font); font-size: 1rem; line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: .22em; overflow-wrap: anywhere; }
button { font: inherit; cursor: pointer; }
button[hidden] { display: none; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid #3a76ad; outline-offset: 5px; border-radius: 3px; }
p { margin: 0 0 1rem; }
h1, h2, h3 { margin: 0; line-height: 1.4; }
svg { width: 1.15rem; height: 1.15rem; flex-shrink: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 5; background: white; padding: .6rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-bar { max-width: 70rem; margin: 0 auto; min-height: 6.75rem; padding: 1.5rem 0; display: flex; align-items: center; gap: 2rem; }
.wordmark { display: flex; align-items: center; gap: .75rem; color: var(--accent); text-decoration: none; font-weight: 750; font-size: .875rem; letter-spacing: .1em; min-width: 0; max-width: 100%; }
.wordmark > span:last-child { min-width: 0; }
.brand-symbol { width: 2.15rem; height: 2.15rem; flex-shrink: 0; border-radius: .4rem; display: grid; place-items: center; background: var(--accent); color: white; font-size: 1.4rem; letter-spacing: 0; line-height: 1; }
nav { display: flex; gap: 1.7rem; margin-left: auto; }
nav a { font-size: .9375rem; text-decoration: none; color: var(--muted); padding: .4rem 0; border-bottom: 1px solid transparent; }
nav a:hover { color: var(--accent); border-color: var(--accent); }
.print-button { display: inline-flex; align-items: center; gap: .55rem; font-size: .875rem; line-height: 1.5; background: transparent; color: var(--accent); border: 1px solid #b5c4d1; border-radius: .35rem; padding: .65rem .9rem; min-height: 2.75rem; }
.print-button:hover { background: white; border-color: var(--accent); }
.resume-sheet { max-width: 70rem; margin: 0 auto; display: grid; grid-template-columns: minmax(0,1fr) 19.25rem; background: var(--paper); box-shadow: 0 12px 42px rgb(37 56 71 / 7%); border-top: 5px solid var(--accent); }
.resume-main { min-width: 0; padding: 3.5rem 3.35rem 3rem; }
.intro { border-bottom: 1px solid var(--line); padding-bottom: 2.1rem; }
.eyebrow { font-size: .75rem; font-weight: 650; letter-spacing: .2em; color: var(--muted); margin-bottom: 1rem; }
h1 { font-size: 3.1rem; font-weight: 750; letter-spacing: .03em; color: var(--accent); }
h1 span { font-size: 2.3rem; letter-spacing: -.025em; font-weight: 450; margin-left: .5rem; }
.profession { font-size: 1.2rem; font-weight: 650; letter-spacing: .05em; margin: .65rem 0; }
.intro-line { color: var(--muted); font-size: 1rem; }
.intro-tags { display: flex; flex-wrap: wrap; gap: .7rem 1.2rem; margin-top: 1.3rem; }
.intro-tags span { font-size: .875rem; font-weight: 550; color: var(--accent); padding-left: .75rem; border-left: 2px solid #8eacc5; line-height: 1.4; }
.content-section { margin-top: 2.65rem; }
.section-heading { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; margin-bottom: 1.25rem; padding-bottom: .75rem; border-bottom: 1px solid var(--line); }
.section-number { color: var(--accent); font-size: .8125rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.section-heading h2 { color: var(--accent); font-size: 1.25rem; font-weight: 750; letter-spacing: .05em; }
.section-english { margin-left: auto; font-size: .75rem; letter-spacing: .12em; color: var(--muted); }
.content-section > p { color: #405463; }
.content-section > p:last-child { margin-bottom: 0; }
.summary { font-weight: 550; }
.project { margin: 0 0 1.45rem; padding-bottom: 1.45rem; border-bottom: 1px solid var(--line); }
.project:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
.project-kicker { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .25rem .8rem; color: var(--muted); font-size: .75rem; font-weight: 550; letter-spacing: .04em; margin-bottom: .6rem; }
.project h3 { font-size: 1.08rem; color: var(--ink); margin-bottom: .65rem; }
.project p { margin-bottom: .6rem; color: #405463; }
.project-contribution { font-size: .9375rem; }
.project-contribution strong { font-weight: 650; color: var(--accent); margin-right: .4rem; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tags span { color: var(--accent); background: #edf3f7; font-size: .875rem; line-height: 1.55; padding: .2rem .5rem; border-radius: .2rem; overflow-wrap: anywhere; }
.project .tags { margin-top: .85rem; }
.project-bottom { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; justify-content: space-between; margin-top: .85rem; }
.project-bottom .tags { margin: 0; }
.project-bottom a { font-size: .875rem; }
.timeline { border-left: 1px solid #c9d6e1; margin-left: .3rem; padding-left: 1.5rem; }
.experience { position: relative; margin-bottom: 1.6rem; }
.experience:last-child { margin-bottom: 0; }
.experience::before { content: ""; position: absolute; left: -1.825rem; top: .4rem; width: .6rem; height: .6rem; border: 2px solid var(--accent); background: white; border-radius: 50%; }
.experience-top { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: .2rem 1rem; }
.experience h3 { font-size: 1.05rem; font-weight: 700; }
.date { color: var(--muted); font-size: .8125rem; font-variant-numeric: tabular-nums; }
.role { font-size: .9375rem; color: var(--accent); margin: .35rem 0 .5rem; }
.role span { font-size: .8125rem; color: var(--muted); margin-left: .65rem; }
.experience ul { padding-left: 1.1rem; margin: .45rem 0 0; color: #405463; }
.experience li { padding-left: .1rem; margin-bottom: .35rem; }
.experience li::marker { color: #7592aa; }
.resume-sidebar { padding: 3.4rem 1.85rem 3rem; background: var(--rail); min-width: 0; }
.profile-mark { position: relative; width: 7.5rem; height: 7.5rem; margin: .35rem auto 1.15rem; border-radius: 50%; background: var(--accent); color: white; display: grid; place-items: center; font-size: 2.5rem; font-weight: 500; letter-spacing: -.065em; box-shadow: 0 0 0 7px white, 0 0 0 8px #d6e1ea; }
.profile-mark span { position: absolute; bottom: 1.65rem; width: 1.3rem; height: 2px; background: #a6c1d8; }
.sidebar-name { text-align: center; color: var(--accent); letter-spacing: .15em; font-size: .8125rem; font-weight: 650; margin: 0 0 .35rem; }
.sidebar-location { display: flex; align-items: center; justify-content: center; gap: .3rem; font-size: .875rem; color: var(--muted); margin-bottom: 2.2rem; }
.sidebar-location svg { width: .95rem; height: .95rem; }
.sidebar-section { border-top: 1px solid #d6e1e9; padding-top: 1.4rem; margin-top: 1.7rem; }
.sidebar-section h2 { display: flex; gap: .6rem; align-items: baseline; color: var(--accent); font-size: 1rem; letter-spacing: .03em; margin-bottom: 1rem; }
.sidebar-section h2 > span { font-size: .75rem; font-weight: 550; letter-spacing: .09em; color: var(--muted); }
.contact-note { color: #4c6375; font-size: .9375rem; }
.contact-link { display: block; color: var(--accent); font-size: .875rem; line-height: 1.7; text-decoration: none; margin-top: 1rem; }
.contact-link:hover > span:not(.contact-label) { text-decoration: underline; }
.contact-label { display: block; font-size: .75rem; letter-spacing: .08em; color: var(--muted); margin-bottom: .15rem; }
.copy-email { color: var(--accent); border: 0; border-bottom: 1px solid #a9bdce; background: transparent; padding: .45rem 0 .2rem; font-size: .875rem; min-height: 2.75rem; }
.copy-email:hover { border-color: var(--accent); }
.copy-status { color: var(--accent); font-size: .8125rem; line-height: 1.5; margin: .3rem 0 0; }
.copy-status:empty { display: none; }
.skill-group { margin: 0 0 1.15rem; }
.skill-group:last-child { margin-bottom: 0; }
.skill-group h3 { color: #40596d; font-size: .9375rem; font-weight: 650; margin-bottom: .55rem; }
.skill-group .tags { gap: .35rem; }
.skill-group .tags span { color: #3c5a72; background: white; border: 1px solid #dce5ec; }
.education-name { font-size: .9375rem; margin-bottom: .4rem; }
.education-detail { font-size: .875rem; color: var(--muted); line-height: 1.7; margin: 0 0 .45rem; }
.language-list { margin: 0; font-size: .9375rem; }
.language-list div { display: flex; justify-content: space-between; gap: .5rem; margin-top: .5rem; }
.language-list dd { margin: 0; color: var(--muted); }
.site-footer { max-width: 70rem; padding: 1.75rem 0 2.5rem; margin: 0 auto; display: flex; justify-content: space-between; gap: 1rem; font-size: .8125rem; color: var(--muted); }
@media (max-width: 1180px) {
  .site-bar, .resume-sheet, .site-footer { margin-left: 1.5rem; margin-right: 1.5rem; }
  .resume-main { padding: 2.8rem 2.5rem; }
  .resume-sheet { grid-template-columns: minmax(0,1fr) 18rem; }
  .resume-sidebar { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (max-width: 820px) {
  .site-bar { flex-wrap: wrap; gap: .8rem 1.5rem; min-height: auto; padding: 1.2rem 0; }
  nav { order: 3; flex-basis: 100%; justify-content: space-between; flex-wrap: wrap; gap: .5rem 1rem; margin: 0; }
  nav a { white-space: nowrap; }
  .print-button { margin-left: auto; }
  .resume-sheet { grid-template-columns: 1fr; }
  .resume-main { padding: 2.6rem 2rem; }
  .resume-sidebar { padding: 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 2rem; }
  .profile-mark, .sidebar-name, .sidebar-location { display: none; }
  .sidebar-section { margin: 0; padding-top: 1.2rem; }
}
@media (max-width: 520px) {
  .site-bar, .resume-sheet, .site-footer { margin-left: 1rem; margin-right: 1rem; }
  .wordmark { font-size: .75rem; gap: .5rem; }
  .brand-symbol { width: 1.9rem; height: 1.9rem; font-size: 1.25rem; }
  .print-button { font-size: .8125rem; gap: .35rem; padding: .5rem .65rem; }
  nav a { min-height: 2.75rem; display: inline-flex; align-items: center; }
  .resume-main { padding: 2rem 1.35rem; }
  h1 { font-size: 2.6rem; }
  h1 span { font-size: 1.9rem; margin-left: .2rem; }
  .profession { font-size: 1.1rem; }
  .intro { padding-bottom: 1.7rem; }
  .content-section { margin-top: 2rem; }
  .section-heading { gap: .55rem; }
  .section-heading h2 { font-size: 1.15rem; }
  .section-english { font-size: .75rem; letter-spacing: .04em; }
  .experience-top { display: block; }
  .experience-top .date { display: block; margin-top: .2rem; }
  .role span { display: block; margin: .1rem 0 0; }
  .timeline { padding-left: 1.2rem; }
  .experience::before { left: -1.525rem; }
  .resume-sidebar { padding: 1.75rem 1.35rem; grid-template-columns: 1fr; gap: 1.6rem; }
  .site-footer { font-size: .75rem; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  @page { size: A4; margin: 13mm; }
  body { background: white; font-size: 9.5pt; line-height: 1.65; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .site-bar, .skip-link, .site-footer, .copy-email, .copy-status { display: none !important; }
  .resume-sheet { display: block; margin: 0; max-width: none; box-shadow: none; border-top-width: 3px; }
  .resume-main { padding: 7mm 0 0; }
  .intro { padding-bottom: 5mm; }
  .eyebrow { margin-bottom: 2mm; }
  h1 { font-size: 27pt; }
  h1 span { font-size: 21pt; }
  .profession { font-size: 12pt; margin: 2mm 0; }
  .intro-line { font-size: 10pt; }
  .intro-tags { margin-top: 3mm; }
  .intro-tags span { font-size: 9pt; }
  .content-section { margin-top: 6mm; }
  .section-heading { margin-bottom: 3mm; padding-bottom: 2mm; break-after: avoid; }
  .section-heading h2 { font-size: 12pt; }
  .project, .experience, .sidebar-section { break-inside: avoid; }
  .project { margin-bottom: 4mm; padding-bottom: 4mm; }
  .project h3, .experience h3 { font-size: 10.5pt; }
  .project p { margin-bottom: 2mm; }
  .project-contribution, .role, .contact-note { font-size: 9pt; }
  .tags span { font-size: 8pt; }
  .experience { margin-bottom: 4mm; }
  .resume-sidebar { display: grid; grid-template-columns: 1fr 1fr; background: white; padding: 5mm 0 0; gap: 5mm 10mm; }
  .profile-mark, .sidebar-name, .sidebar-location { display: none; }
  .sidebar-section { margin: 0; padding-top: 3mm; }
  .sidebar-section h2 { font-size: 10.5pt; }
  .skill-group { margin-bottom: 2mm; }
  .skill-group h3, .education-name { font-size: 9pt; }
  .contact-link { font-size: 9pt; margin-top: 2mm; }
  .language-list, .education-detail { font-size: 9pt; }
  a { text-decoration: none; }
}