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

:root {
  --ink: #0b1f3a;
  --ink-soft: #1f3555;
  --teal: #1aa3a3;
  --teal-dark: #0f6b6b;
  --coral: #f26a5a;
  --sand: #efe6d8;
  --cream: #f9f5ed;
  --paper: #ffffff;
  --shadow: 0 22px 50px rgba(11, 31, 58, 0.18);
  --shadow-soft: 0 12px 26px rgba(11, 31, 58, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 10%, rgba(26, 163, 163, 0.12), transparent 55%),
    radial-gradient(circle at 85% 15%, rgba(242, 106, 90, 0.14), transparent 50%),
    linear-gradient(180deg, #fbf7ef 0%, #efe6d8 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(11, 31, 58, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.6;
  z-index: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
}

a {
  color: var(--teal-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 107, 107, 0.3);
}

a:hover,
a:focus {
  color: var(--ink);
  border-bottom-color: rgba(11, 31, 58, 0.6);
}

h1,
h2,
h3,
h4 {
  font-family: "ZCOOL XiaoWei", "Noto Sans SC", serif;
  letter-spacing: 0.4px;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(32px, 4vw, 52px);
}

h2 {
  font-size: clamp(24px, 3vw, 36px);
}

h3 {
  font-size: clamp(20px, 2.4vw, 28px);
}

p {
  margin: 0 0 12px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: linear-gradient(120deg, rgba(11, 31, 58, 0.9) 0%, rgba(20, 33, 44, 0.88) 55%, rgba(20, 93, 99, 0.85) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  color: #f9f5ed;
}

.navbar .brand {
  font-family: "ZCOOL XiaoWei", "Noto Sans SC", serif;
  font-size: 24px;
  letter-spacing: 1px;
  color: #f9f5ed;
  border: none;
}

.nav-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #f9f5ed;
  padding: 8px 14px;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--ink);
  background: #f3c96b;
}

.section {
  padding: clamp(56px, 8vw, 96px) 0;
}

.section.hero {
  color: #f9f5ed;
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.92), rgba(20, 33, 44, 0.85)),
    radial-gradient(circle at 20% 20%, rgba(26, 163, 163, 0.35), transparent 60%);
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(243, 201, 107, 0.2);
  color: #f9f5ed;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.badge.badge-dark {
  background: rgba(11, 31, 58, 0.08);
  color: var(--ink);
  border: 1px solid rgba(11, 31, 58, 0.12);
}

.card {
  background: var(--paper);
  border-radius: 24px;
  padding: 26px;
  border: 1px solid rgba(11, 31, 58, 0.08);
  box-shadow: var(--shadow-soft);
}

.card.center {
  text-align: center;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid.columns-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid.columns-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.split {
  display: grid;
  gap: 28px;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card img.avatar {
  width: 140px;
  height: 140px;
  border-radius: 999px;
  border: 4px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 12px 30px rgba(11, 31, 58, 0.22);
  margin: 0 auto 16px;
}

.notice {
  border-left: 6px solid var(--coral);
  background: linear-gradient(120deg, #ffffff 0%, #f9f5ed 100%);
}

.timeline {
  display: grid;
  gap: 20px;
}

.timeline-item {
  padding: 22px 24px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid rgba(11, 31, 58, 0.1);
  box-shadow: var(--shadow-soft);
}

.timeline-item .date {
  font-size: 14px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--teal-dark);
}

.timeline-item ul {
  padding-left: 20px;
  margin: 8px 0 0;
}

.timeline-item li {
  margin-bottom: 6px;
}

.link-card {
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.footer {
  padding: 28px 0 40px;
  text-align: center;
  color: rgba(11, 31, 58, 0.7);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
}

.stat {
  padding: 10px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  color: #f9f5ed;
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    justify-content: center;
  }
}