@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Sora:wght@400;600;700;800&display=swap");

:root {
  --bg: #f3efe6;
  --bg-soft: #fff9ee;
  --surface: #fffdf8;
  --text: #151515;
  --muted: #5f5b54;
  --line: #d8d1c4;
  --accent: #c44921;
  --accent-deep: #8c3013;
  --accent-2: #1e5e71;
  --shadow: 0 14px 35px rgba(28, 23, 15, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% -5%, #ffe2bf 0, transparent 32%),
    radial-gradient(circle at 100% 0, #d2edf2 0, transparent 25%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

img,
video {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f3efe8;
}

video {
  aspect-ratio: 16 / 9;
}

.container {
  width: min(1060px, 92vw);
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid #d7cdbd;
  padding: 4.2rem 0 2.9rem;
  background:
    linear-gradient(135deg, rgba(196, 73, 33, 0.11), transparent 45%),
    linear-gradient(320deg, rgba(30, 94, 113, 0.13), transparent 42%),
    #fffaf0;
}

.hero-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

.hero-inner {
  position: relative;
  text-align: center;
  z-index: 1;
}

.venue {
  display: inline-block;
  margin: 0;
  padding: 0.2rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(196, 73, 33, 0.22);
  background: rgba(196, 73, 33, 0.1);
  color: var(--accent-deep);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.title {
  margin: 1rem 0 0;
  font-family: "Sora", "Noto Sans SC", sans-serif;
  font-weight: 800;
  line-height: 1.2;
  font-size: clamp(1.8rem, 4.2vw, 2.95rem);
}

.subtitle {
  margin: 1rem auto 0;
  max-width: 900px;
  color: #3f3b36;
  font-size: 1.02rem;
}

.authors,
.affiliations {
  margin: 0.9rem auto 0;
  max-width: 960px;
  color: var(--muted);
}

.links {
  margin-top: 1.35rem;
  display: flex;
  justify-content: center;
  gap: 0.72rem;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  font-family: "Sora", "Noto Sans SC", sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  color: #ffffff;
  background: linear-gradient(120deg, var(--accent), var(--accent-deep));
  border: 1px solid #9e3918;
  border-radius: 999px;
  padding: 0.48rem 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 14px rgba(164, 60, 25, 0.28);
}

.stats-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.72rem;
}

.stat-card {
  margin: 0;
  border: 1px solid #decebb;
  border-radius: 14px;
  background: rgba(255, 254, 248, 0.82);
  padding: 0.75rem;
  box-shadow: 0 7px 18px rgba(28, 23, 15, 0.06);
}

.stat-card h3 {
  margin: 0;
  font-family: "Sora", "Noto Sans SC", sans-serif;
  color: var(--accent-2);
  font-size: 1.36rem;
  line-height: 1.2;
}

.stat-card p {
  margin: 0.24rem 0 0;
  color: #59544e;
  font-size: 0.86rem;
}

main {
  padding: 2.2rem 0 3.2rem;
}

.section {
  background: var(--surface);
  border: 1px solid #dcd3c7;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.4rem;
  margin-bottom: 1.15rem;
}

.section-head {
  margin-bottom: 0.72rem;
  display: flex;
  align-items: center;
  gap: 0.62rem;
}

.section-head::before {
  content: "";
  width: 9px;
  height: 30px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.section h2 {
  margin: 0;
  font-family: "Sora", "Noto Sans SC", sans-serif;
  font-size: 1.22rem;
  line-height: 1.3;
}

.section p {
  margin: 0.45rem 0 0;
}

.list {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
}

figure {
  margin: 0.92rem 0 0;
}

figcaption {
  margin-top: 0.46rem;
  color: #48443e;
  font-size: 0.91rem;
}

.asset-path {
  margin-top: 0.3rem;
  color: #6f665a;
  font-size: 0.82rem;
  word-break: break-all;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

pre {
  margin: 0.7rem 0 0;
  padding: 1rem;
  border: 1px solid #d9cfbf;
  border-radius: 12px;
  background: #fcf8ef;
  color: #1f1f1f;
  font-size: 0.84rem;
  overflow-x: auto;
}

.footer {
  border-top: 1px solid #d8cebe;
  background: #fff7ea;
  color: #5b554d;
  padding: 1.4rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem 1rem;
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
}

.dot {
  margin: 0 0.35rem;
}

@media (max-width: 980px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .hero {
    padding-top: 3.4rem;
  }

  .title {
    font-size: clamp(1.5rem, 8vw, 2rem);
  }

  .grid-2,
  .grid-3,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 1.05rem;
  }

  .footer-inner {
    align-items: flex-start;
  }
}
