@font-face {
  font-family: LatinModern;
  src: url("fonts/LatinModernMath.woff2") format("woff2");
}

@font-face {
  font-family: JBMono;
  src: url("fonts/JetBrainsMono-Light.woff2") format("woff2");
}

@font-face {
  font-family: SHSerif;
  src: url("fonts/SourceHanSerifCN-VF.otf.woff2") format("woff2");
}

:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --text: #14171a;
  --muted: #5d6771;
  --accent: #236a8b;
  --line: #e7eaee;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 400;
  font-size: 1.08rem;
  line-height: 1.8;
  letter-spacing: 0.003em;
  quotes: '"' '"';
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.8rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.7rem, 3.8vw, 2.8rem);
  font-weight: 680;
}

h2 {
  font-size: clamp(1.16rem, 1.9vw, 1.42rem);
  font-weight: 620;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  margin: 0 0 1.1rem;
}

.site-shell {
  width: min(860px, calc(100% - 2.4rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 247, 244, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  padding: 0.95rem 0;
}

.top-nav a {
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 560;
  padding: 0.15rem 0;
}

.top-nav a[aria-current="page"] {
  color: var(--text);
}

.site-main {
  padding: 3.4rem 0 4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 290px);
  gap: 2.3rem;
  align-items: start;
  margin-bottom: 3.2rem;
}

.hero-copy {
  max-width: 58ch;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 560;
  margin-bottom: 0.8rem;
}

.hero-name {
  margin-bottom: 1rem;
}

.name-latin {
  display: block;
  font-size: clamp(1rem, 1.7vw, 1.32rem);
  color: var(--muted);
  font-weight: 520;
  letter-spacing: 0.03em;
  margin-top: 0.35rem;
}

.role-line {
  font-size: clamp(1rem, 1.1vw, 1.08rem);
  max-width: 50ch;
  margin-bottom: 1rem;
}

.hero-summary {
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 54ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.8rem 0 1.2rem;
}

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.52rem 1rem;
  font-weight: 560;
  font-size: 0.95rem;
}

.btn:hover,
.btn:focus {
  text-decoration: none;
  border-color: #b8ccd7;
}

.btn-primary {
  background: var(--text);
  border-color: var(--text);
  color: #ffffff;
}

.profile-wrap {
  margin: 0;
}

.profile-photo {
  display: block;
  width: 100%;
  max-width: 320px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #f1f4f7, #e8edf2);
  margin: 0 auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.quick-links li {
  margin: 0;
}

.section-block {
  padding-top: 1.5rem;
  margin-bottom: 1.1rem;
  border-top: 1px solid var(--line);
}

.section-block p {
  max-width: 66ch;
}

.glance-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.glance-list li {
  margin-bottom: 0.7rem;
}

.info-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.9rem;
}

.section-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.section-links a {
  font-weight: 560;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 1.1rem 0 2.2rem;
  font-size: 0.92rem;
}

.page-header {
  margin-bottom: 1.7rem;
}

.page-header p {
  color: var(--muted);
  max-width: 62ch;
}

.page-section {
  margin-bottom: 1.6rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

main ul {
  padding-left: 1.2rem;
}

main li {
  margin-bottom: 0.38rem;
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list li {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  margin-bottom: 0.6rem;
}

.post-date {
  color: var(--muted);
  font-size: 0.9rem;
}

.stack-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stack-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.stack-list li:last-child {
  border-bottom: 0;
}

.item-title {
  font-weight: 600;
}

.item-note {
  display: block;
  color: var(--muted);
  font-size: 0.96rem;
  margin-top: 0.2rem;
}

.footer-links {
  margin-top: 0.4rem;
  font-size: 0.9rem;
}

code {
  font-family: JBMono, Consolas, "Courier New", monospace;
  color: #ffffff;
  background-color: #000000;
  font-variant-ligatures: none;
}

pre:has(> code) {
  background-color: #000000;
}

em {
  font-style: normal;
  font-family: Courier, KaiTi;
}

math {
  font-family: LatinModern, SHSerif;
}

mtext {
  font-weight: 400;
}

ms {
  font-family: JBMono, Consolas, "Courier New", monospace;
  color: #ffffff;
  background-color: #000000;
}

.qed {
  text-align: right;
}

cite {
  font-style: normal;
}

.slide {
  break-inside: avoid;
  border: 2px solid #000000;
  width: 400px;
  height: 225px;
}

.label {
  break-inside: avoid;
}

.dialogue {
  width: 100%;
  border-top: 1.5px solid #000000;
  break-inside: avoid;
}

.law {
  width: 100%;
  border-top: 1.5px solid #000000;
  break-inside: avoid;
}

table.law blockquote {
  width: 60%;
  margin: auto;
  padding: 10px;
  border: 5px double #000000;
}

.leftd {
  width: 48%;
}

.middled {
  width: 15px;
}

.dialogue td {
  padding: 5px;
  text-align: left;
  vertical-align: top;
}

.dashed {
  border: 2.5px dashed #ffffff;
}

@media (max-width: 760px) {
  .site-shell {
    width: min(920px, calc(100% - 1.5rem));
  }

  .site-main {
    padding: 2.5rem 0 2.8rem;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    margin-bottom: 2.1rem;
  }

  .profile-photo {
    max-width: 240px;
    margin-left: 0;
  }

  .info-columns {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .top-nav {
    gap: 0.4rem 0.9rem;
  }
}