body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
figure,
figure,
legend,
textarea,
p,
blockquote,
th,
td,
input,
label {
  margin: 0;
  padding: 0;
  font-family: 'Microsoft YaHei';
  word-wrap: break-word;
}
html {
  /*font-size: 6.25%;*/
  /*100 ÷ 16 × 100% = 6.25%*/
  -ms-touch-action: none;
  /* 禁止winphone默认触摸事件 */
}
li {
  list-style: none;
}
img {
  border: none;
  vertical-align: top;
}
a {
  text-decoration: none;
  color: inherit;
}
a:hover {
  text-decoration: underline;
  color: inherit;
}
input {
  outline: medium;
}
input[type=button],
input[type=submit],
input[type=file],
button {
  cursor: pointer;
  -webkit-appearance: none;
  outline: none;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
menu,
nav,
section {
  display: block;
}
[v-cloak],
.ms-controller {
  visibility: hidden;
}
.after {
  clear: both;
  height: 0;
  overflow: hidden;
  display: block;
  visibility: hidden;
  content: '';
}
.cleardiv {
  clear: both;
  height: 0;
  display: block;
  overflow: hidden;
}
.clearfix:after {
  clear: both;
  height: 0;
  overflow: hidden;
  display: block;
  visibility: hidden;
  content: '';
}
.pa {
  position: absolute;
}
.pr {
  position: relative;
}
.pf {
  position: fixed;
}
.ps {
  position: static;
}
.fl {
  float: left;
  _display: inline;
}
.fr {
  float: right;
  _display: inline;
}
.fn {
  float: none;
}
.ovh {
  overflow: hidden;
}
.vh {
  visibility: hidden;
}
.bCt {
  background: transparent;
}
.none0 {
  display: none;
}
.ovh_dan {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
body {
  min-width: 1200px;
}
.part .content {
  width: 1200px;
  margin: 0 auto;
}
.part_1 {
  height: 260px;
  background: url(../img/bg_01.jpg) no-repeat top center / 1920px 100%;
}
.part_2 {
  height: 303px;
  background: url(../img/bg_02.jpg) no-repeat top center / 1920px 100%;
}
.part_3 {
  height: 350px;
  background: url(../img/bg_03.jpg) no-repeat top center / 1920px 100%;
}
.part_4 {
  height: 225px;
  background: url(../img/bg_04.jpg) no-repeat top center / 1920px 100%;
}
.part_5 {
  height: 820px;
  background: url(../img/bg_05.jpg) no-repeat top center / 1920px 100%;
}
.part_6 {
  height: 1142px;
  background: url(../img/bg_06.jpg) no-repeat top center / 1920px 100%;
}
.part_3 .preface {
  width: 660px;
  height: 200px;
  padding: 0 50px;
  margin: auto;
  box-sizing: border-box;
  font-size: 16px;
  line-height: 30px;
  color: #fff;
  text-align: justify;
  text-indent: 2em;
  font-weight: 600;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
}
.part_3 .preface .text {
  width: 100%;
  margin: auto;
}
.part_56 {
  position: relative;
  min-height: 1962px;
  background-color: #e5f8ff;
  max-width: 1920px;
  margin: 0 auto;
}
.part_56 .part_5 {
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
.part_56 .part_6 {
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 1;
}
.part_56 .content {
  position: relative;
  z-index: 2;
}
.column {
  width: 1200px;
}
.column:after {
  clear: both;
  height: 0;
  overflow: hidden;
  display: block;
  visibility: hidden;
  content: '';
}
.column .column_t {
  height: 107px;
  background: url(../img/column_01.png) bottom center / 100% 100%;
}
.column .column_b {
  height: auto;
  position: relative;
  box-sizing: border-box;
  background: url(../img/column_02.png) center / 100% 100%;
}
.column .column_b .more {
  width: 130px;
  height: 50px;
  border: 1px solid #819aeb;
  position: absolute;
  right: 105px;
  bottom: -15px;
  box-sizing: border-box;
  border-radius: 25px;
  line-height: 48px;
  text-align: center;
  font-size: 24px;
  color: #6d7cd8;
  background-color: #fff;
}
.column .column_b .more a {
  width: 100%;
  height: 100%;
  display: block;
  color: inherit;
}
.column .column_f {
  height: 75px;
  background: url(../img/column_03.png) top center / 100% 100%;
}
.column_1 {
  top: -5px;
  position: relative;
  margin-bottom: 45px;
}
.column_1 .column_t h2 {
  height: 100%;
  background: url(../img/column_t_1.png) no-repeat bottom center;
}
.column_1 .column_b {
  height: 595px;
  padding-top: 50px;
}
.column_1 .left {
  width: 455px;
  margin-left: 95px;
  float: left;
  _display: inline;
}
.column_1 .left img {
  width: 100%;
  height: 345px;
  border-radius: 10px;
  margin-bottom: 35px;
}
.column_1 .left h4 {
  font-size: 20px;
  line-height: 26px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin: 0 25px 15px;
  color: #333;
}
.column_1 .left p {
  font-size: 16px;
  line-height: 19px;
  margin: 0 15px;
  text-align: justify;
}
.column_1 .right {
  width: 500px;
  margin-right: 95px;
  float: right;
  _display: inline;
}
.column_1 .right ul li {
  border-bottom: 1px dashed #666;
  margin-bottom: 23px;
}
.column_1 .right ul li h4 {
  font-size: 24px;
  line-height: 28px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin: 0 0 10px;
}
.column_1 .right ul li p {
  margin-bottom: 23px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.column_1 .right ul li:nth-last-child(1) {
  border-bottom: none;
}
.column_2 {
  position: relative;
}
.column_2 .column_t h2 {
  height: 100%;
  background: url(../img/column_t_2.png) no-repeat bottom center;
}
.column_2 .column_b {
  height: 630px;
  padding-top: 45px;
}
.column_2 .column_b ul {
  margin-left: 100px;
}
.column_2 .column_b li {
  width: 325px;
  height: 280px;
  margin-right: 15px;
  float: left;
  _display: inline;
}
.column_2 .column_b li .thumbnail {
  position: relative;
  margin-bottom: 25px;
}
.column_2 .column_b li .thumbnail .play {
  position: absolute;
  width: 64px;
  height: 65px;
  background: url(../img/play.png) no-repeat center;
  left: 50%;
  top: 50%;
  margin: -32px 0 0 -32px;
}
.column_2 .column_b li img {
  width: 325px;
  height: 180px;
  border-radius: 10px;
}
.column_2 .column_b li h4 {
  font-size: 19px;
}