* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #333;
  background: #f5f7fa;
  line-height: 1.8;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 22px;
  font-weight: 600;
  color: #3a7bd5;
  letter-spacing: 2px;
}
nav a {
  color: #666;
  text-decoration: none;
  margin-left: 32px;
  font-size: 15px;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
nav a:hover,
nav a.active {
  color: #3a7bd5;
  border-bottom-color: #3a7bd5;
}

/* Main */
main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 80px 0 60px;
}
.hero h1 {
  font-size: 32px;
  color: #1a1a1a;
  margin-bottom: 16px;
  font-weight: 600;
}
.hero .subtitle {
  font-size: 18px;
  color: #888;
}

/* Page title */
.page-title {
  padding: 48px 0 32px;
}
.page-title h1 {
  font-size: 28px;
  color: #1a1a1a;
}

/* Notice Bar */
.notice-bar {
  text-align: center;
  padding: 14px 24px;
  margin: 0 auto;
  max-width: 960px;
}
.notice-bar p {
  display: inline-block;
  background: #fff8e6;
  border: 1px solid #f0d78c;
  border-radius: 6px;
  padding: 10px 28px;
  color: #8b6914;
  font-size: 15px;
}

/* Cards */
.intro {
  padding-bottom: 60px;
}
.card {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.card h2 {
  font-size: 20px;
  color: #1a1a1a;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}
.card h3 {
  font-size: 18px;
  color: #3a7bd5;
  margin-bottom: 8px;
}
.card p {
  color: #555;
  font-size: 15px;
}
.card ul {
  padding-left: 20px;
  color: #555;
}
.card ul li {
  margin-bottom: 8px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card-grid .card {
  text-align: center;
  margin-bottom: 0;
}

/* Info Table */
.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table td {
  padding: 10px 16px;
  border-bottom: 1px solid #f5f5f5;
  font-size: 15px;
}
.info-table td.label {
  color: #888;
  width: 160px;
  white-space: nowrap;
}

/* Content section */
.content {
  padding-bottom: 60px;
}

/* Footer */
footer {
  text-align: center;
  padding: 32px 24px;
  background: #fff;
  border-top: 1px solid #e8e8e8;
  color: #999;
  font-size: 13px;
  line-height: 2;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 { font-size: 24px; }
  .hero .subtitle { font-size: 16px; }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .info-table td.label {
    width: 100px;
  }
}