:root {
  --crimson: #8b0029;
  --crimson-dark: #65001e;
  --text: #202124;
  --muted: #666b73;
  --line: #d8dadd;
  --soft: #f7f7f8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: Arial, Helvetica, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-size: 15px;
  line-height: 1.68;
}
.top-rule { height: 8px; background: var(--crimson); }
.page { width: min(1000px, calc(100% - 42px)); margin: 0 auto; }
a { color: var(--crimson); text-decoration: none; }
a:hover { color: var(--crimson-dark); text-decoration: underline; }
.masthead { padding: 38px 0 0; }
h1 { margin: 0; font-size: 34px; line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
h1 span { font-weight: 500; }
.official { margin-top: 4px; color: var(--muted); font-size: 14px; }
.appointment { margin-top: 24px; font-size: 17px; }
.appointment p { margin: 0; }
.appointment span { color: var(--muted); }
.quick-links { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 7px; align-items: center; font-size: 15px; }
.quick-links a:first-child { font-weight: 700; }
.contact-line { margin-top: 7px; color: var(--muted); font-size: 14px; }
.nav { margin-top: 30px; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 9px 22px; }
.nav a { color: #333; font-size: 13px; font-weight: 600; }
.nav a:hover { color: var(--crimson); }
.intro-grid { display: grid; grid-template-columns: 285px 1fr; gap: 44px; align-items: start; padding: 40px 0 44px; }
.profile-photo { width: 285px; height: 350px; object-fit: cover; object-position: 50% 20%; border: 1px solid #d5d5d5; }
.education { padding-top: 2px; }
h2 { margin: 0 0 22px; font-size: 20px; line-height: 1.35; color: #222; letter-spacing: 0.025em; }
h2 span, h3 span { color: var(--crimson); font-weight: 600; }
.education ul, .record-list { margin: 0; padding-left: 19px; }
.education li { margin: 0 0 20px; }
.ko { display: block; color: var(--muted); margin-top: 2px; }
.section { border-top: 1px solid var(--line); padding: 38px 0 44px; scroll-margin-top: 12px; }
.bilingual-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.bilingual-copy p { margin: 0 0 14px; }
.english-copy { color: #4a4e54; }
.interest-line { font-weight: 700; margin-bottom: 4px; }
.interest-line.en { font-weight: 500; color: var(--muted); }
.research-copy { margin-top: 24px; }
.record-list li { margin: 0 0 13px; }
.more { margin: 22px 0 0; font-size: 14px; }
.note { margin: -8px 0 28px; color: var(--muted); }
h3 { margin: 36px 0 16px; font-size: 16px; letter-spacing: 0.02em; }
.pub-list { list-style: none; padding: 0; margin: 0; }
.pub-list li { display: grid; grid-template-columns: 34px 1fr; gap: 5px; margin: 0 0 13px; line-height: 1.58; }
.pub-num { color: var(--muted); text-align: right; padding-right: 7px; }
.pub-list.compact li { margin-bottom: 11px; }
.service { padding-bottom: 32px; }
footer { border-top: 2px solid var(--crimson); padding: 20px 0 34px; color: var(--muted); display: flex; justify-content: space-between; gap: 24px; font-size: 13px; }
@media (max-width: 760px) {
  .page { width: min(100% - 28px, 1000px); }
  .masthead { padding-top: 26px; }
  h1 { font-size: 28px; }
  .appointment { font-size: 15px; }
  .intro-grid { grid-template-columns: 1fr; gap: 26px; padding-top: 30px; }
  .profile-photo { width: 220px; height: 270px; }
  .bilingual-copy { grid-template-columns: 1fr; gap: 12px; }
  .english-copy { border-top: 1px dashed var(--line); padding-top: 16px; }
  .nav { gap: 7px 16px; }
  footer { flex-direction: column; gap: 5px; }
}
@media (max-width: 480px) {
  body { font-size: 14px; }
  h1 { font-size: 25px; }
  .profile-photo { width: 190px; height: 235px; }
  .quick-links { gap: 5px; }
  .pub-list li { grid-template-columns: 29px 1fr; }
}


/* Profile layout: photo + bilingual profile copy */
.profile-section {
  border-top: 0;
  padding: 40px 0 44px;
}
.profile-copy {
  min-width: 0;
}
.profile-copy h2 {
  margin-bottom: 18px;
}
.profile-copy p {
  margin: 0 0 18px;
}
.profile-english {
  border-top: 1px dashed var(--line);
  padding-top: 18px;
  margin-top: 18px;
}
@media (max-width: 760px) {
  .profile-section {
    grid-template-columns: 1fr;
  }
  .profile-english {
    padding-top: 16px;
    margin-top: 14px;
  }
}