:root {
  --ink: #1a2332;
  --muted: #5a6a7a;
  --paper: #f3f0e8;
  --accent: #0d6e6e;
  --line: rgba(26, 35, 50, 0.12);
  --max: 720px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  display: flex;
  flex-direction: column;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(13, 110, 110, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(180, 140, 80, 0.12), transparent 50%),
    linear-gradient(180deg, #ebe6da 0%, var(--paper) 45%, #e8ece8 100%);
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  font-size: 1.35rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  gap: 1.25rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--accent);
}

main {
  flex: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}

.hero {
  padding: 3.5rem 0 2.5rem;
  animation: rise 0.7s ease both;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 500;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.lead {
  margin: 0;
  max-width: 28em;
  color: var(--muted);
  font-size: 1.05rem;
}

.block {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
  animation: rise 0.7s ease both;
  animation-delay: 0.12s;
}

.block:nth-of-type(3) {
  animation-delay: 0.22s;
}

.block h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.block p {
  margin: 0;
  color: var(--muted);
}

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

.list li {
  display: flex;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.list li:last-child {
  border-bottom: none;
}

.date {
  flex-shrink: 0;
  min-width: 5.5rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
}

.footer {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2.25rem;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-name {
  margin: 0 0 0.5rem;
}

.beian {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.5rem;
}

.beian a {
  color: var(--muted);
  text-decoration: none;
}

.beian a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.beian .sep {
  opacity: 0.45;
}

.psb {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.psb img {
  display: block;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 520px) {
  .hero {
    padding-top: 2rem;
  }

  .list li {
    flex-direction: column;
    gap: 0.2rem;
  }
}