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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: #333;
  background: #fff;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶栏 */
.header {
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.site-name a {
  font-size: 15px;
  font-weight: 600;
  color: #222;
  text-decoration: none;
}

.site-name a:hover {
  text-decoration: none;
  color: #0066cc;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-size: 14px;
  color: #555;
  text-decoration: none;
}

.nav a:hover {
  color: #0066cc;
}

.nav-btn {
  display: none;
  padding: 6px 12px;
  font-size: 13px;
  color: #555;
  background: #f5f5f5;
  border: 1px solid #ddd;
  border-radius: 3px;
  cursor: pointer;
}

/* 首屏 */
.banner {
  padding: 48px 0 40px;
  background: #f7f7f7;
  border-bottom: 1px solid #e5e5e5;
}

.banner h1 {
  font-size: 26px;
  font-weight: 600;
  color: #222;
  margin-bottom: 10px;
}

.banner p {
  font-size: 15px;
  color: #666;
}

/* 内容区块 */
.block {
  padding: 40px 0;
}

.block-gray {
  background: #fafafa;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.block h2 {
  font-size: 18px;
  font-weight: 600;
  color: #222;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #0066cc;
  display: inline-block;
}

.text p {
  margin-bottom: 12px;
  color: #444;
  text-align: justify;
}

.text p:last-child {
  margin-bottom: 0;
}

.biz-list {
  list-style: none;
  padding-left: 0;
}

.biz-list li {
  position: relative;
  padding: 8px 0 8px 16px;
  color: #444;
  border-bottom: 1px dashed #e0e0e0;
}

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

.biz-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: #0066cc;
  font-weight: bold;
}

/* 联系表格 */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
}

.info-table th,
.info-table td {
  padding: 12px 16px;
  text-align: left;
  border: 1px solid #e5e5e5;
  font-size: 14px;
}

.info-table th {
  width: 120px;
  background: #f5f5f5;
  font-weight: normal;
  color: #666;
  white-space: nowrap;
}

.info-table td {
  color: #333;
}

.note {
  font-size: 13px;
  color: #999;
}

/* 页脚 */
.footer {
  padding: 24px 0;
  background: #333;
  color: #aaa;
  font-size: 13px;
  text-align: center;
}

.footer-inner p {
  margin-bottom: 6px;
}

.footer-inner p:last-child {
  margin-bottom: 0;
}

.footer a {
  color: #aaa;
}

.footer a:hover {
  color: #fff;
}

/* 移动端 */
@media (max-width: 640px) {
  .site-name a {
    font-size: 13px;
    max-width: 200px;
    line-height: 1.4;
  }

  .nav-btn {
    display: block;
    flex-shrink: 0;
  }

  .nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 8px 0;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 10px 20px;
    border-bottom: 1px solid #f0f0f0;
  }

  .header {
    position: relative;
  }

  .banner {
    padding: 32px 0;
  }

  .banner h1 {
    font-size: 20px;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    border-bottom: none;
    padding-bottom: 4px;
  }

  .info-table td {
    padding-top: 4px;
    border-top: none;
  }
}