body,
h1,
article,
aside,
h4,
p,
h3,
.row,
select,
ul,
li,
option {
  padding: 0;
  margin: 0;
}

body {
  font-size: 14px;
  font-family: '微软雅黑';
  color: #333;
  line-height: 25px;
}

img {
  border: 0;
}

button:focus {
  outline: 0 !important;
}

/****公用****/

.index {
  width: 100%;
  margin: auto;
}

.index .banner img {
  width: 100%;
  margin-bottom: 20px;
}
.content_box {
  width: 1200px;
  margin: auto;
}

.news_title {
  float: left;
}

.news_more {
  float: right;
  padding-top: 12px;
  padding-right: 15px;
  padding-left: 15px;
}

h4 {
  background: #eaf1f8;
}

h4 span {
  padding: 15px 0;
  background: #3079c6;
  color: #fff;
  display: block;
  width: 170px;
  padding-left: 15px;
  letter-spacing: 2px;
}

.content aside {
  padding: 0;
  margin: 10px 0;
}

.index .content ul {
  padding: 5px 10px 0 0;
}

.index .content ul li {
  margin-bottom: 10px;
  color: #808080;
  font-size: 16px;
  line-height: 200%;
}

.index article ul li a {
  color: #454545;
  font-size: 16px;
}

.index article ul li span {
  color: #999;
  font-size: 16px;
}

.index article ul a:hover {
  cursor: pointer;
  color: #23527c;
}

.index article ul li .pull-left {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 80%;
}

.content .col-lg-6 {
  width: 49%;
}

.index .content ul.pic_row {
  width: 100%;
  padding: 0;
}
ul.pic_row li {
  width: 50%;
  float: left;
  padding: 2% 0 0 0;
  list-style-type: none;
}
ul.pic_row li img {
  width: 250px;
  height: 190px;
  display: block;
  margin: auto;
}
ul.pic_row li p {
  font-size: 16px;
  text-align: center;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 30px;
  margin: auto;
}

.top-img-box {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
}
.img-item {
  width: 49%;
  text-align: center;
}
.img-item img {
  width: 100%;
  margin: 0 auto;
}

@media only screen and (max-width: 780px) {
  .content_box {
    width: 100%;
    margin: auto;
  }
  .catalog ul li {
    width: 18.7%;
  }
  ul.pic_row li img {
    width: 96%;
    height: 135px;
  }
}

@media only screen and (max-width: 500px) {
  .index article ul li .pull-left {
    width: 70%;
  }
  .content .col-lg-6 {
    width: 100%;
  }
  .bottom {
    display: none;
  }
}