* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  background: #E7F4EF;
  color: #12352c;
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: #0F7A5A;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  background: #0F7A5A;
  color: #fff;
  padding: 8px 0;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  opacity: 0.95;
}

.brand-mark {
  display: block;
  width: 22px;
  height: 18px;
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  color: #fff;
  font-size: 0.95rem;
}

.site-nav a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: #fff;
  border-top: 4px solid #0F7A5A;
  padding: 18px 16px;
  border-radius: 0 0 6px 6px;
}

.hero {
  grid-column: 1 / -1;
  background: #fff;
  border-top: 4px solid #0F7A5A;
  padding: 22px 18px 20px;
  border-radius: 0 0 6px 6px;
}

.hero h1 {
  font-size: 1.45rem;
  line-height: 1.45;
  margin: 16px 0 14px;
  color: #12352c;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 4px;
}

.metric {
  background: #E7F4EF;
  border-top: 4px solid #0F7A5A;
  padding: 12px 14px;
}

.metric .name {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.metric .val {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.metric .chg {
  font-size: 0.88rem;
  margin-top: 2px;
}

.metric .up {
  color: #c0392b;
}

.metric .down {
  color: #0F7A5A;
}

.tags {
  display: flex;
  gap: 12px;
  margin: 12px 0 16px;
  flex-wrap: wrap;
}

.tags span {
  display: inline-block;
  padding: 4px 12px;
  background: #E7F4EF;
  border-left: 3px solid #0F7A5A;
  font-size: 0.92rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.btn {
  display: inline-block;
  background: #0F7A5A;
  color: #fff !important;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  text-decoration: none !important;
}

.btn:hover {
  opacity: 0.92;
  text-decoration: none !important;
}

h2 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #12352c;
  line-height: 1.4;
}

h3 {
  font-size: 1.02rem;
  margin: 0 0 8px;
  color: #12352c;
  line-height: 1.4;
}

.card p,
.hero p {
  margin-bottom: 10px;
  font-size: 0.96rem;
}

.card p:last-child,
.faq-item p:last-child,
.news-item p:last-child {
  margin-bottom: 0;
}

.span-3 {
  grid-column: 1 / -1;
}

.faq-item,
.news-item {
  background: #fff;
  border-top: 4px solid #0F7A5A;
  padding: 16px 14px;
  border-radius: 0 0 6px 6px;
}

.news-meta {
  font-size: 0.85rem;
  color: #3a5c52;
  margin-bottom: 6px;
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto 28px;
  padding: 16px;
  font-size: 0.88rem;
  color: #3a5c52;
  line-height: 1.65;
}

.site-footer p {
  margin-bottom: 8px;
}

.site-footer p:last-child {
  margin-bottom: 0;
}

@media (max-width: 860px) {
  .grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .hero,
  .span-3 {
    grid-column: 1;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}
