* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

@font-face {
    font-family: HelveticaNeueLTPro-Bd;
    src: url('../font/Helvetica/HelveticaNeueLTPro-Bd.otf')
}

@font-face {
    font-family: HelveticaNeueLTPro-Md;
    src: url('../font/Helvetica/HelveticaNeueLTPro-Md.otf')
}

@font-face {
    font-family: HelveticaNeueLTPro-Blk;
    src: url('../font/Helvetica/HelveticaNeueLTPro-Blk.otf')
}

@font-face {
    font-family: SourceHanSansCN-Medium;
    src: url('../font/Helvetica_CN/SourceHanSansCN-Medium.otf')
}

@font-face {
    font-family: SourceHanSansCN-Bold;
    src: url('../font/Helvetica_CN/SourceHanSansCN-Bold.otf')
}

@font-face {
    font-family: SourceHanSansCN-Regular;
    src: url('../font/Helvetica_CN/SourceHanSansCN-Regular.otf')
}

@font-face {
    font-family: SourceHanSansCN-Heavy;
    src: url('../font/Helvetica_CN/SourceHanSansCN-Heavy.otf')
}

#main_content {
    width: 1230px;
    margin: 0 auto;
    min-height: 1000px;
    font-family: HelveticaNeueLTPro-Bd;
}

.nav-page {
    height: 707px;
    background: url(../images/works/background_1_1.png);
}

/* 这里是第一块模块 */
.top {
    position: relative;
    width: 1230px;
    height: 705px;
    background-image: url(../images/home/background_1.png);
    margin: 0 auto;
}

.top_logo {
    position: absolute;
    width: 324px;
    height: 108px;
    background-color: #FFFFFF;
    display: inline-block;
    box-shadow: 0px 8px 5px 0px rgba(0, 0, 0, 0.23);
    border-radius: 0px 52px 52px 0px;
}

.top_logo img {
    position: absolute;
    right: 39px;
    top: 21px;
}

.top_MenuBarv {
    position: absolute;
    top: 60px;
    right: 101px;
    height: 32px;
    color: #FFFFFF;
    line-height: 32px;
    letter-spacing: 1px;
    font-size: 18px;
    font-family: SourceHanSansCN-Medium;
    font-weight: 500;
}

.top_MenuBarv li {
    float: left;
    margin-right: 15px;
}

.top_MenuBarv li.active,
.top_MenuBarv li:hover {
    border-bottom: 2px solid #FFFFFF;
}

.top_MenuBarv li:last-child {
    margin: 0;
}

.top_MenuBarv li a {
    color: #FFFFFF;
    font-size: 18px;
    font-family: SourceHanSansCN-Medium;
    font-weight: 500;
}

.main_nav .sub_nav {
  position: absolute;
  top: 40px;
  /* left: -10px; */
  width: 145px;
  padding: 5px;
  background: rgb(112, 112, 112, 0.9);
  box-shadow: 1px 1px 5px 1px rgba(112, 112, 112, 0.8);
  border-radius: 5px;
  display: none;
	display: none;
}

.main_nav .sub_nav .nav_item {
	width: 100%;
	margin: 0;
	height: 25px;
	line-height: 25px;
}

.group_nav .sub_nav,
.exhibition_nav .sub_nav {
	position: absolute;
	top: 40px;
	width: 155px;
	padding: 5px;
	background: rgb(112, 112, 112, 0.9);
    box-shadow: 1px 1px 5px 1px rgba(112, 112, 112, 0.8);
	border-radius: 5px;
	display: none;
	z-index: 1;
}

.exhibition_nav .sub_nav {
	width: 180px;
}

.group_nav .sub_nav .nav_item,
.exhibition_nav .sub_nav .nav_item {
	width: 100%;
	margin: 0;
	height: 25px;
	line-height: 25px;
}

/* .nav_item.active,
.nav_item:hover {
    border-bottom: 2px solid #eb6100 !important;
} */

/* .nav_item.active a,
.nav_item:hover a {
    color: #eb6100;
} */

#top_HorizontalLine {
    position: absolute;
    width: 170px;
    height: 0px;
    border: 1px solid #FFFFFF;
    top: 211px;
    left: 960px;
}

.top_Theme {
    position: absolute;
    text-align: right;
    width: 584px;
    height: 77px;
    top: 230px;
    left: 543px;
}

.top_Theme span {
    font-family: SourceHanSansCN-Heavy;
    font-weight: normal;
    letter-spacing: 0.4px;
    font-size: 35px;
    line-height: 40px;
    color: rgba(255, 255, 255, 1);
}

.language_box {
    position: absolute;
    top: 156px;
    left: 1041px;
    cursor: pointer;
}

.language_box img {
    display: inline-block;
    vertical-align: middle;
}

.language_box .language_text {
    display: inline-block;
    padding-left: 8px;
    font-family: SourceHanSansCN-Medium;
    color: #FFFFFF;
}

.content_wrapper {
    position: relative;
    height: 2360px;
    padding-top: 103px;
    padding-left: 95px;
    background: url(../images/works/background_2.png) no-repeat;
    background-size: 100%;
}

.book,
.translation {
    position: relative;
}

.translation {
    padding-top: 66px;
}

.book .book_title,
.translation .translation_title {
    display: block;
    margin-bottom: 41px;
    color: #2A3893;
    font-size: 25px;
    font-weight: bold;
    font-family: SourceHanSansCN-Bold;
}

.book .book_content,
.translation .translation_content {
    color: #2A3893;
    line-height: 21px;
    font-size: 18px;
    font-weight: 100;
    font-family: SourceHanSansCN-Medium;
}

.book .book_picture {
    position: absolute;
    top: 71px;
    right: 134px;
    width: 331px;
    height: 337px;
    border: 2px solid #2A3893;
}

.book .book_picture img {
    position: absolute;
    top: 26px;
    left: 18px;
    box-shadow: 0px 8px 14px 1px rgba(0, 0, 0, 0.29);
}

.translation .translation_picture {
    position: absolute;
    top: 138px;
    right: 134px;
    width: 299px;
    height: 173px;
    border: 2px solid #2A3893;
}

.translation .translation_picture .translation_img {
    position: absolute;
    top: 34px;
    left: 27px;
    width: 304px;
    height: 174px;
    background: url(../images/works/picture_2_1.png);
    background-size: 100%;
    box-shadow: 0px 8px 14px 1px rgba(0, 0, 0, 0.29);
}

#return_top {
    position: absolute;
    left: 129px;
    bottom: 385px;
    width: 72px;
    height: 77px;
}

#footer_marker {
    height: 80px;
    color: #FFFFFF;
    background: #4B90F7;
    line-height: 80px;
    text-align: center;
    font-size: 18px;
    font-family: HelveticaNeueLTPro-Md;
}