:root {
  --bg: #f8f7f3;
  --text: #202631;
  --muted: #66717f;
  --line: #ded9cf;
  --link: #1f5f93;
  --link-hover: #153f63;
  --soft: #f1efe9;
  --section-title: #35485d;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
}

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

a:hover,
a:focus {
  color: var(--link-hover);
  text-decoration: underline;
}

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

.page {
  width: min(940px, calc(100% - 48px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 44px;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.hero-main h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 5vw, 3.35rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.role {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.bio {
  max-width: 710px;
  margin-top: 24px;
}

.bio p {
  margin: 0 0 13px;
}

.bio p:last-child {
  margin-bottom: 0;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 26px;
}

.links a {
  font-size: 0.96rem;
  font-weight: 600;
}

.hero-side {
  position: sticky;
  top: 28px;
}

.hero-side img {
  width: 160px;
  height: 160px;
  margin-left: auto;
  border-radius: 10px;
  object-fit: cover;
  object-position: center 24%;
  border: 1px solid var(--line);
}

.focus {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.45;
  text-align: right;
}

.section {
  padding-top: 44px;
}

.section h2 {
  margin: 0 0 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.selected-list {
  display: grid;
  gap: 0;
}

.research-groups {
  display: grid;
  gap: 42px;
}

.research-group {
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.research-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.group-heading {
  max-width: 760px;
  margin-bottom: 18px;
}

.group-heading h3 {
  margin: 0;
  color: var(--section-title);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.selected-paper {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 22px;
  padding: 23px 0;
  border-top: 1px solid var(--line);
}

.selected-paper:first-child {
  border-top: 0;
  padding-top: 0;
}

.selected-paper img {
  width: 180px;
  height: 108px;
  border-radius: 7px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--soft);
}

.research-group-contain .selected-paper img {
  object-fit: contain;
  background: #fff;
}

.research-group-contain .selected-paper img.image-cover {
  object-fit: cover;
  background: var(--soft);
}

.research-group-contain .selected-paper img.image-stretch-y {
  object-fit: fill;
  padding-block: 3px;
}

.research-group-contain .selected-paper img.image-stretch-y-light {
  padding-block: 7px;
}

.selected-paper img.seedance-crop {
  object-position: 5% center;
}

.selected-paper h3 {
  margin: 0 0 5px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.paper-meta {
  margin: -2px 0 8px !important;
  color: var(--section-title);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.meta-highlight {
  color: var(--link);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.selected-paper p {
  margin: 0 0 7px;
}

.authors {
  color: var(--muted);
  font-size: 0.93rem;
}

.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 9px !important;
  font-size: 0.93rem;
  font-weight: 600;
}

.more-work {
  margin: 32px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 32px, 1000px);
    padding-top: 34px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-side {
    position: static;
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .hero-side img {
    width: 140px;
    height: 140px;
    margin: 0;
  }

  .focus {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    text-align: left;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .hero-side,
  .selected-paper {
    grid-template-columns: 1fr;
  }

  .selected-paper img {
    width: 100%;
    height: auto;
    max-height: 190px;
  }

  .links {
    gap: 8px 14px;
  }
}