css制作腾讯首页

布局结构分析

腾讯首页采用经典的头部导航+内容分区布局。顶部为固定导航栏，主体分为新闻、视频、财经等多内容模块，整体宽度为1200px左右居中显示。

基础样式设置

body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
  background: #f5f5f5;
}
.container {
  width: 1200px;
  margin: 0 auto;
}

导航栏实现

.navbar {
  height: 50px;
  background: #1479d7;
  color: white;
}
.nav-logo {
  float: left;
  width: 140px;
  height: 50px;
  background: url('//mat1.gtimg.com/www/icon/logo.png') no-repeat;
}
.nav-menu {
  float: left;
  margin-left: 30px;
}
.nav-menu li {
  display: inline-block;
  line-height: 50px;
  padding: 0 15px;
}

内容区块布局

.content-section {
  margin-top: 20px;
  background: white;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.section-header {
  height: 40px;
  line-height: 40px;
  border-bottom: 1px solid #eee;
  padding: 0 15px;
}
.section-title {
  float: left;
  font-size: 16px;
  font-weight: bold;
}

新闻列表样式

.news-list {
  padding: 10px 15px;
}
.news-item {
  display: flex;
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
}
.news-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-time {
  width: 80px;
  color: #999;
  text-align: right;
}

响应式处理

@media (max-width: 1240px) {
  .container {
    width: 96%;
  }
  .nav-menu li {
    padding: 0 10px;
  }
}
@media (max-width: 768px) {
  .nav-logo {
    width: 100px;
    background-size: contain;
  }
  .news-item {
    flex-direction: column;
  }
  .news-time {
    text-align: left;
    width: auto;
  }
}

特殊效果实现

.nav-menu li:hover {
  background: #0d6bc5;
  cursor: pointer;
}
.news-title:hover {
  color: #1479d7;
  text-decoration: underline;
}
.section-header::after {
  content: "";
  display: block;
  clear: both;
}