* {
  padding: 0;
  margin: 0;
}

body {
  font-size: 12px;
  font-family: "微软雅黑";
}

ul,
li {
  list-style: none;
}

img {
  border: 0;
}

a {
  color: #333;
}

a:hover {
  text-decoration: none;
  color: #333;
}

.header {
  background: url("../images/banner_01_01.jpg") no-repeat center -140px;
  height: 336px;
}

.header > .top {
  width: 1200px;
  margin: 0 auto;
  height: 336px;
  color: #fff;
  position: relative;
}

.header > .top > .logo {
  position: absolute;
  left: 172px;
  top: 40px;
}

.header > .top > .title h3 {
  position: absolute;
  left: 446px;
  top: 60px;
  font-size: 42px;
  color: #0067ff;
  font-weight: 700;
  font-family: "黑体";
}

.header > .top > .title > ul {
  position: absolute;
  left: 446px;
  top: 150px;
  color: #000;
  font-size: 16px;
}
.header > .top > .title > ul li {
  margin-bottom: 20px;
  text-align: left;
}

.navbg {
  background: url("../images/nav_02.jpg") no-repeat center top;
}

.navbg .navList {
  width: 1200px;
  margin: 0 auto;
}

.navbg .navList > ul {
  overflow: hidden;
  margin-bottom: 0;
}

.navbg .navList > ul li {
  display: inline-block;
  height: 50px;
  line-height: 50px;
}

.navbg .navList > ul li a {
  font-size: 20px;
  color: #fff;
  display: block;
  padding: 0 20px;
}

.navbg .navList > ul li a.active {
  background: #1733c6;
}

.content {
  width: 1200px;
  margin: 30px auto;
  padding-bottom: 60px;
  height: 850px;
}

.content > .left {
  width: 180px;
  float: left;
}

.content > .left > ul > li > a {
  display: flex;
  align-items: center; /* 垂直居中 */
  justify-content: center; /* 水平居中，如果需要 */
  font-size: 18px;
  color: #000;
  margin-right: 15px;
  padding: 5px 10px;
  text-decoration: none;
}

.content > .left > ul > li.active {
  background: url("../images/sanjiao_05.png") no-repeat right center;
}

.content > .left > ul > li.active > a {
  background: #0067ff;
  color: #fff;
  font-weight: 700;
}

.content > .right {
  width: 1000px;
  float: right;
}