* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft YaHei", sans-serif;
}
body {
  background: #f5f7fa;
  color: #333;
  line-height: 1.7;
}
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 15px;
}
.header {
  background: #1f2937;
  color: #fff;
  padding: 16px 0;
}
.header h1 {
  font-size: 22px;
  font-weight: normal;
}
.nav {
  margin-top: 10px;
}
.nav a {
  color: #e5e7eb;
  margin-right: 18px;
  text-decoration: none;
  font-size: 15px;
}
.nav a:hover {
  color: #fff;
}
.banner {
  background: #2563eb;
  color: #fff;
  padding: 40px 0;
  text-align: center;
  margin-bottom: 30px;
}
.banner h2 {
  font-size: 26px;
  margin-bottom: 10px;
}
.main {
  background: #fff;
  padding: 30px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  margin-bottom: 40px;
}
.main h3 {
  font-size: 20px;
  margin-bottom: 20px;
  color: #111;
  border-left: 4px solid #2563eb;
  padding-left: 12px;
}
.main p {
  margin-bottom: 16px;
  font-size: 15px;
  color: #333;
}
.news-list .item {
  border-bottom: 1px solid #eee;
  padding: 14px 0;
}
.news-list .item a {
  font-size: 16px;
  color: #2563eb;
  text-decoration: none;
}
.news-list .item p {
  color: #666;
  font-size: 14px;
  margin-top: 4px;
}
.footer {
  background: #1f2937;
  color: #9ca3af;
  text-align: center;
  padding: 25px 0;
  font-size: 14px;
}
.fixed-tel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #1677ff;
  color: #fff;
  text-align: center;
  padding: 8px 0;
  font-size: 16px;
  font-weight: bold;
  z-index: 9999;
}
.fixed-tel a {
  color: #fff;
  text-decoration: none;
}

body {
  padding-top: 40px;
}
.fixed-tel a {
  color: #fff;
  text-decoration: none;
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.img-row {
  display: flex;
  gap: 15px;
  margin: 30px 0;
}
.img-item {
  flex: 1;
}
.img-item img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
@media (max-width: 768px) {
  .img-row {
    flex-direction: column;
  }
}