html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, caption, tbody, tfoot, thead, embed, hr, section {
	  margin: 0;
	  padding: 0;
	  border: 0;
	}
	h1, h2, h3, h4, h5, h6 {
	  font-weight: normal;
	}
	table, tr, th, td {
	  margin: 0;
	  padding: 0;
	}
	ul, li {
	  list-style-type: none;
	}
	a {
	  text-decoration: none;
	  color: #333;
	}
	a:hover {
	  /* text-decoration: underline; */
	}
	body {
	  /* font-family: "宋体"; */ background: #ffffff;
	  font-size: 14px;
	  min-width: 1440px;
	}
	.p-top {
	  padding-top: 60px !important;
	}
	.banner {
	  position: relative;
	  width: 100%;
	  overflow: hidden;
	  text-align: center;
	  background: url('../images/head.jpg') no-repeat 0 0/100% auto;
	  margin: 0; /* 确保没有额外的 margin */
	  padding: 0; /* 确保没有额外的 padding */
	}
	.banner img {
	  margin-top: 0px;
	  width: 100%;
	  display: block;
	}
	.main-box {
	  margin: 0; /* 确保没有额外的 margin */
	  padding: 0; /* 确保没有额外的 padding */
	}
	section {
	  margin: 0;
	  padding: 0;
	  display: block;
	  font-size: 0px
	}
	.head {
	  height: 1122px;
	  background: url('../images/head.jpg') no-repeat top center;
	}
	
	.c-bg {
	  height: 5730px;
	  background: url('../images/c-bg.jpg') no-repeat top center;
	}
	
.nav1 {
	  height: 270px;
	  background: url('../images/nav1.jpg') no-repeat top center;
	}
.nav2 {
	  height: 223px;
	  background: url('../images/nav2.jpg') no-repeat top center;
	}
.nav3 {
	  height: 180px;
	  background: url('../images/nav3.jpg') no-repeat top center;
	}
	.backTop {
	  display: none;
	  width: 79px;
	  height: 153px;
	  color: #fff;
	  background: #333;
	  border-radius: 5px;
	  cursor: pointer;
	  position: fixed;
	  right: 10px;
	  top: 0;
	  bottom: 0;
	  margin: auto;
	  ;
	  z-index: 99990;
	}
	.backTop img {
	  width: 100%;
	  height: 100%;
	}
	/* container 容器样式 */
	.container {
	  width: 1200px;
	  margin: 0 auto;
	}
	
	.container .more {
	  width: 1200px;
	  margin: 0px auto;
	}