:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --text: #1f2933;
  --muted: #66727f;
  --line: #dce2e8;
  --link: #0b5f9f;
  --card-bg: #ffffff;
  --card-border: #e1e6eb;
  --card-shadow: 0 10px 28px rgba(25, 39, 52, 0.06);
  --glass-text: #263440;
  --glass-bg-top: #ffffff;
  --glass-bg-bottom: #f4f6f8;
  --glass-border: #d9e0e7;
  --glass-highlight: rgba(255, 255, 255, 0.9);
  --glass-shadow-strong: rgba(23, 37, 50, 0.08);
  --glass-shadow-soft: rgba(23, 37, 50, 0.04);
  --max-width: 1200px;
  --sidebar-width: 280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Source Sans 3", sans-serif;
  line-height: 1.6;
  letter-spacing: 0.003em;
}

body > img {
  position: absolute;
}


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

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

img {
  display: block;
  max-width: 100%;
}

.page {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 20px 0 64px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.top-nav,
.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.top-nav {
  font-size: 1rem;
}

.glass-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--glass-text);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  box-shadow: 0 2px 8px var(--glass-shadow-soft);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease,
    color 220ms ease,
    background 220ms ease;
}

.glass-button:hover,
.glass-button:focus-visible {
  color: var(--link);
  text-decoration: none;
  border-color: #8fb9da;
  background: var(--bg-soft);
  box-shadow: 0 6px 16px var(--glass-shadow-strong);
  transform: translateY(-1px);
}

.glass-button:active {
  transform: scale(0.97);
}

.glass-button--sm {
  min-height: 40px;
  padding: 9px 16px;
  font-size: 0.98rem;
}

.lang-toggle {
  font: inherit;
  cursor: pointer;
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 24px;
}

.author-card,
.visitor-map-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  box-shadow: var(--card-shadow);
}

.author-card {
  padding: 24px;
}

.author-card__photo {
  width: 170px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
}

.author-card__name {
  margin: 20px 0 6px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 2rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.author-card__meta {
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: var(--muted);
}

.author-card__meta li + li {
  margin-top: 10px;
}

.meta-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.meta-link__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
}

.meta-link__icon svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.meta-link__icon img {
  display: block;
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.visitor-map-card {
  margin-top: 18px;
  padding: 18px;
}

.visitor-map-card__title {
  margin: 0 0 12px;
  font-size: 1.05rem;
  line-height: 1.2;
}

.visitor-map-card__frame--live {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 156px;
}

.visitor-map-card__widget {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 156px;
  padding: 0;
  text-align: center;
}

.visitor-map-card__widget > * {
  width: fit-content;
  max-width: 100%;
  margin-inline: auto !important;
}

.visitor-map-card__widget > div,
.visitor-map-card__widget > a,
.visitor-map-card__widget > span,
.visitor-map-card__widget iframe,
.visitor-map-card__widget canvas {
  margin-inline: auto;
  max-width: 100%;
}

.visitor-map-card__widget img {
  display: block;
  margin-inline: auto !important;
}

.visitor-map-card__text,
.visitor-map-card__note {
  margin: 12px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.visitor-map-card__note {
  font-size: 0.88rem;
}

.content {
  min-width: 0;
  color: var(--text);
}

.content-block {
  margin-bottom: 32px;
}

.content-block h2 {
  margin: 0 0 10px;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.8rem;
  line-height: 1.2;
  letter-spacing: -0.018em;
}

.content-block p,
.content-block li {
  font-size: 1.05rem;
}

.content-block ul {
  margin: 0;
  padding-left: 22px;
}

.content-block ul ul {
  margin-top: 6px;
}

.education-list {
  max-width: 860px;
  border-top: 1px solid var(--line);
}

.education-entry {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.education-entry__logo {
  flex: 0 0 auto;
  width: 92px;
  height: 92px;
  padding: 6px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  object-fit: contain;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.education-entry__body {
  min-width: 0;
  padding-top: 2px;
}

.education-entry__school,
.education-entry__degree,
.education-entry__dates {
  margin: 0;
}

.education-entry__school {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.36rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.education-entry__degree {
  margin-top: 4px;
  font-size: 1.12rem;
  line-height: 1.35;
}

.education-entry__dates {
  margin-top: 5px;
  color: var(--muted);
  font-size: 1rem;
}

.publication-list {
  margin: 0;
  padding-left: 21px;
}

.publication-list__item {
  padding-left: 6px;
  font-size: 1.18rem;
  line-height: 1.6;
}

.publication-venue {
  display: inline-block;
  margin: 0 8px 4px 0;
  padding: 2px 10px 3px;
  border-radius: 4px;
  background: #e77b24;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.35;
  vertical-align: middle;
}

.publication-list__title {
  font-size: 1.24rem;
  font-weight: 600;
  line-height: 1.45;
}

.publication-list__authors {
  color: #4c5660;
  font-size: 1.16rem;
  font-weight: 400;
  line-height: 1.55;
}

.life-intro {
  margin: 0 0 16px;
  color: var(--muted);
}

.xiaohongshu-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 760px;
}

.xiaohongshu-card {
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 86px;
  padding: 15px 17px;
  border: 1px solid #ffd0d8;
  border-radius: 18px;
  background: #fff8f9;
  box-shadow: 0 7px 18px rgba(133, 30, 46, 0.07);
  color: var(--text);
  text-decoration: none;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.xiaohongshu-card:hover {
  transform: translateY(-3px);
  border-color: #ff7589;
  background-color: #fff1f3;
}

.xiaohongshu-card__logo {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
}

.xiaohongshu-card__logo img {
  width: 100%;
  height: 100%;
  display: block;
}

.xiaohongshu-card__content {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.xiaohongshu-card__eyebrow {
  color: #d91f3f;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.xiaohongshu-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.xiaohongshu-card__arrow {
  margin-left: auto;
  color: #d91f3f;
  font-size: 1.25rem;
  transition: transform 220ms ease;
}

.xiaohongshu-card:hover .xiaohongshu-card__arrow {
  transform: translate(2px, -2px);
}

@media (max-width: 860px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sidebar {
    position: static;
  }

  .author-card__photo {
    width: min(170px, 100%);
  }

  .publication-list__item {
    font-size: 1.06rem;
  }

  .publication-list__title,
  .publication-list__authors {
    font-size: 1.06rem;
  }

  .education-entry {
    gap: 15px;
  }

  .education-entry__logo {
    width: 70px;
    height: 70px;
    border-radius: 14px;
  }

  .education-entry__school {
    font-size: 1.14rem;
  }

  .education-entry__degree {
    font-size: 1rem;
  }

  .xiaohongshu-links {
    grid-template-columns: 1fr;
  }
}