html,
body {
    width: 100%;
    height: 100%;
    /* overflow: hidden; */
    padding: 0;
    margin: 0;
}

::-webkit-input-placeholder {
    color: #E0E0E0;
}

::-moz-placeholder {
    color: #E0E0E0;
}

/* firefox 19+ */
:-ms-input-placeholder {
    color: #E0E0E0;
}

/* ie */
input:-moz-placeholder {
    color: #E0E0E0;
}

.header {
    position: fixed;
    width: 100%;
    height: 70px;
    background-image: url(../images/header.png);
    background-repeat: no-repeat;
    background-size: cover;
    text-align: center;
    z-index: 999;
}

.header>img {
    width: 686px;
    margin-top: 16px;
}

.main {
    position: absolute;
    top: 70px;
    left: 50%;
    margin-left: -663px;
    padding-bottom: 20px;
    width: 1326px;
}

.main>.page-nav {
    margin-top: 8px;
    width: 100%;
    overflow: hidden;
}

.main>.page-nav>ul {
    list-style: none;
    font-size: 14px;
    color: #999999;
}

.main>.page-nav>ul>li {
    float: left;
}

.main>.page-nav>ul>li:not(:last-child)::after {
    content: ">";
    margin: 0 5px;
}

.main>.search-bar {
    position: relative;
    padding-top: 15px;
    width: 100%;
    height: 114px;
    /* background-color: blueviolet; */
    z-index: 1;
}

.search-bar>.search-switch {
    position: absolute;
    left: 50%;
    margin-left: -280px;
    width: 600px;
    height: 35px;
}

.search-bar>.search-switch>.option {
    display: inline-block;
    margin-right: 10px;
    width: 80px;
    height: 35px;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    text-align: center;
    line-height: 28px;
    cursor: pointer;
}

.search-bar>.search-switch>.option.active {
    color: #FFFFFF;
    background-image: url(../images/tooltip@2x.png);
    background-repeat: no-repeat;
    /* background-size: cover; */
}

.search-bar>.search-box {
    position: absolute;
    left: 50%;
    margin-left: -300px;
    margin-top: 40px;
    width: 600px;
    height: 40px;
    background: #FFFFFF;
}

.search-bar>.search-box>.search-type {
    float: left;
    margin: 0;
    width: 120px;
    height: 40px;
    /* border: 1px solid #D8D8D8;
    border-right: 0;
    border-radius: 4px 0px 0px 4px; */
    cursor: pointer;
    font-size: 16px;
    font-weight: 400;
    color: #999999;
    text-align: center;
    line-height: 38px;
}

.search-bar>.search-box>.search-type>.result {
    padding: 0 8px;
    width: 120px;
    height: 40px;
    border: 1px solid #D8D8D8;
    border-right: 0;
    border-radius: 4px 0px 0px 4px;
}

.search-bar>.search-box>.search-type>.result::after {
    float: right;
    margin-top: 17px;
    width: 11px;
    height: 5px;
    content: "";
    background-image: url(../images/arrow-down.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.search-bar>.search-box>.search-type>.result:hover {
    border: 1px solid #1c8de0;
}

.search-bar>.search-box>.search-type>.option {
    display: none;
    margin-top: 0px;
    border: 1px solid #D8D8D8;
    background: #FFFFFF;
}

.search-bar>.search-box>.search-type:hover>.option {
    display: block;
}

.search-bar>.search-box>.search-type:hover>.result::after {
    transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    /* IE 9 */
    -moz-transform: rotate(180deg);
    /* Firefox */
    -webkit-transform: rotate(180deg);
    /* Safari 和 Chrome */
    -o-transform: rotate(180deg);
    /* Opera */
}

.search-bar>.search-box>.search-type>.option>ul>li:hover {
    background-color: rgb(41, 74, 117);
    color: #fff;
}

.search-bar>.search-box>.search-input {
    float: left;
    margin: 0;
    width: 400px;
    height: 40px;
}

.search-bar>.search-box>.search-input>input {
    width: 400px;
    height: 40px;
    border: 1px solid #D8D8D8;
    text-indent: 11px;
}

.search-bar>.search-box>.search-input>input:hover,
.search-bar>.search-box>.search-input>input:focus {
    border: 1px solid #1c8de0;
}

.search-bar>.search-box>.search-btn {
    float: left;
    margin: 0;
    width: 80px;
    height: 40px;
    background: #274A76;
    border-radius: 0px 4px 4px 0px;
    font-size: 16px;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
    line-height: 38px;
    cursor: pointer;
}

.search-bar>.search-box>.search-btn:hover {
    background: rgba(39, 74, 118, 0.9);
}

.main>.horizontal-timeline {
    display: none;
    position: relative;
    width: 100%;
    height: 100px;
    background-image: url(../images/timeline-blue-bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    list-style: none;
    overflow: hidden;
}

.horizontal-timeline>ul {
    width: 6630px;
    height: 100px;
}

.horizontal-timeline>ul>li {
    float: left;
    width: 1326px;
    height: 100%;
}

.horizontal-timeline>ul>li>ul {
    width: 100%;
    height: 100%;
    padding: 0 170px 0 110px;
}

.horizontal-timeline>ul>li>ul>li {
    float: left;
    width: 10%;
    height: 100%;
    font-size: 16px;
    font-weight: bold;
    color: #274A76;
    cursor: pointer;
}

.horizontal-timeline>ul>li>ul>li:nth-child(odd) {
    line-height: 39px;
}

.horizontal-timeline>ul>li>ul>li:nth-child(even) {
    line-height: 39px;
}

.horizontal-timeline>ul>li>ul>li:nth-child(odd)::after,
.horizontal-timeline>ul>li>ul>li:nth-child(even)::before {
    display: block;
    /* margin-top: 10px; */
    margin-left: 10px;
    content: "";
    width: 18px;
    height: 18px;
    background: #274A76;
    border: 2px solid #fff;
    border-radius: 50%;
}

.horizontal-timeline>ul>li>ul>li:nth-child(even)::before {
    margin-top: 39px;
}

.horizontal-timeline>ul>li>ul>li:hover,
.horizontal-timeline>ul>li>ul>li.active {
    color: #C11422;
}

.horizontal-timeline>ul>li>ul>li:hover::before,
.horizontal-timeline>ul>li>ul>li.active::before,
.horizontal-timeline>ul>li>ul>li:hover::after,
.horizontal-timeline>ul>li>ul>li.active::after {
    background: #C11422;
}

.horizontal-timeline>.timeline-date-selection-btn {
    position: absolute;
    width: 32px;
    height: 32px;
    cursor: pointer;
}

.horizontal-timeline>.timeline-date-selection-btn.year-prev {
    right: 133px;
    bottom: 34px;
    background-image: url(../images/left2.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.horizontal-timeline>.timeline-date-selection-btn.year-next {
    right: 88px;
    bottom: 34px;
    background-image: url(../images/right2.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.main>.switch-tab {
    width: 100%;
    /* position: relative; */
    overflow: hidden;
}

.switch-tab>.tab-header {
    display: none;
    position: absolute;
    left: 50%;
    margin-left: -130px;
    margin-top: 29px;
    width: 260px;
    height: 48px;
    background-image: url(../images/tab@2x.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.switch-tab>.tab-header.reverse {
    background-image: url(../images/tab-reverse@2x.png);
}

.switch-tab>.tab-header>ul {
    font-size: 20px;
    font-weight: 400;
    color: #888888;
}

.switch-tab>.tab-header>ul>li {
    float: left;
    width: 50%;
    text-align: center;
    line-height: 48px;
    cursor: pointer;
}

.switch-tab>.tab-header>ul>li:first-child {
    color: #fff;
}

.switch-tab>.tab-header.reverse>ul>li:first-child {
    color: #888888;
}

.switch-tab>.tab-header.reverse>ul>li:last-child {
    color: #fff;
}

.switch-tab>.tab-content {
    /* position: absolute; */
    /* margin-top: 76px; */
    padding: 18px 0;
    width: 100%;
    /* border-top: 1px solid #D3D3D3; */
    border-bottom: 1px solid #D3D3D3;
    overflow: hidden;
}

.switch-tab>.tab-content>div {
    width: 100%;
}

.main>.footer {
    width: 100%;
    height: 50px;
    font-size: 14px;
    font-weight: 400;
    color: #888888;
    line-height: 50px;
    text-align: center;
}

.switch-tab>.tab-content>div {
}

.switch-tab>.tab-content>div>.left {
    float: left;
    padding-right: 39px;
    width: 914px;
    border-right: 1px solid #D3D3D3;
}

.switch-tab>.tab-content>div>.left>.item {
    width: 100%;
    padding: 26px 0 36px 0;
    overflow: hidden;
}

.switch-tab>.tab-content>div>.left>.item:not(:last-child) {
    border-bottom: 1px solid #D3D3D3;
}

.switch-tab>.tab-content>div>.left>.item>.article {
    width: 100%;
    overflow: hidden;
}

.switch-tab>.tab-content>div>.left>.item:not(:first-child)>.article {
    height: 124px;
}

.switch-tab>.tab-content>div>.left>.item>.article>.image {
    float: left;
    margin-right: 39px;
    width: 219px;
    height: 119px;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url("../images/source/p1.png");
}

.switch-tab>.tab-content>div>.left>.item:nth-child(2n+3)>.article>.image {
    float: right;
    margin-left: 39px;
}

.switch-tab>.tab-content>div>.left>.item>.article>.text>.title {
    font-size: 20px;
    font-weight: bold;
    color: #333333;
}

.switch-tab>.tab-content>div>.left>.item>.article>.text>.content {
    font-size: 14px;
    font-weight: 400;
    color: #888888;
    line-height: 36px;
    /* text-indent: 30px; */
}

.switch-tab>.tab-content>div>.left>.item>ul {
    margin-top: 30px;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 36px;
    overflow: hidden;
}

    .switch-tab>.tab-content>div > .left > .item > ul > li {
        list-style-type: disc;
        list-style-position: inside;
        width: 50%;
        float: left;
    }
        .switch-tab>.tab-content>div > .left > .item > ul > li a {
            width: 68%;
            display: inline-block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            vertical-align:middle;
        }
    /* --第一个item特殊处理 begin */
    .switch-tab>.tab-content>div > .left > .item:first-child > .article > .image {
        width: 480px;
        height: 400px;
    }

.switch-tab>.tab-content>div>.left>.item:first-child>.article>.text {
    padding: 20px 0 0 0;
}

.switch-tab>.tab-content>div>.left>.item:first-child>.article>.text>.title {
    text-align: center;
}

.switch-tab>.tab-content>div>.left>.item:first-child>.article>.text>.content {
    margin-top: 40px;
}

/* --第一个item特殊处理 end */

.switch-tab>.tab-content>div>.right {
    float: right;
    padding-left: 30px;
    width: 412px;
    /* background-color: chartreuse; */
}

.switch-tab>.tab-content>div>.right>.big-year {
    display: none;
    font-size: 60px;
    font-weight: bold;
    color: #274A76;
    text-align: right;
}

.switch-tab>.tab-content>div>.right>a.subject {
    margin-top: 12px;
    display: block;
}

.switch-tab>.tab-content>div>.right>a.subject>div {
    overflow: hidden;
}

.switch-tab>.tab-content>div>.right>a.subject>div>img {
    width: 400px;
    height: 300px;
    /* transition: all 1.0s;
    -webkit-transition: all 1.0s */
}

.switch-tab>.tab-content>div>.right>a.subject>p {
    font-size: 16px;
    color: #000;
    text-align: center;
}

.switch-tab>.tab-content>div>.right>a.subject:hover>div>img {
    /* -webkit-transform: scale(1.1);
    transform: scale(1.1); */
}

.switch-tab>.tab-content>div>.right>a.subject:hover>p {
    color: #C11422;
    text-decoration: underline;
}

.label-box>.label {
    /* width: 400px; */
    margin-left: -8px;
    height: 55px;
    background-image: url("../images/label.png");
    background-repeat: no-repeat;
    background-size: cover;
    font-size: 26px;
    font-weight: 400;
    color: #FFFFFF;
    text-indent: 75px;
    line-height: 45px;
}

.switch-tab>.tab-content>div>.right>.important-literature {
    margin-top: 45px;
    margin-bottom: 42px;
}

.switch-tab>.tab-content>div>.right>.important-literature>ul {
    margin-top: 20px;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 36px;
}

.switch-tab>.tab-content>div>.right>.important-literature>ul>li {
    list-style-type: disc;
    list-style-position: inside;
}

.switch-tab>.tab-content>div>.right>.social-focus>.text {
    margin-top: 25px;
}

.switch-tab>.tab-content>div>.right>.social-focus>.text>.title {
    font-size: 20px;
    font-weight: bold;
    color: #333333;
}

.switch-tab>.tab-content>div>.right>.social-focus>.text>.content {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 400;
    color: #888888;
    line-height: 36px;
}

.switch-tab>.tab-content>div>.right>.social-focus>.image {
    position: relative;
    margin-top: 20px;
    width: 360px;
    height: 200px;
    background-image: url(../images/source/p6.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.switch-tab>.tab-content>div>.right>.social-focus>.image>.caption {
    position: absolute;
    bottom: 0;
    width: 360px;
    height: 30px;
    background-color: rgba(0, 0, 0, 0.5);
    font-size: 14px;
    font-weight: 300;
    color: #FFFEFE;
    text-align: center;
    line-height: 30px;
}

/* -页面其他辅助元素 begin */
.dock-nav {
    display: none;
    position: fixed;
    right: 10px;
    top: 170px;
    width: 272px;
    height: 242px;
    background-image: url(../images/dh@2x.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.dock-nav>ul {
    float: right;
    margin-right: 48px;
    margin-top: 83px;
    font-size: 16px;
    font-weight: 400;
    color: #274A76;
    line-height: 31px;
}

.dock-nav>ul a:hover {
    color: #C11422;
}

.dock-btn {
    position: fixed;
    top: 50%;
    /* width: 29px;
    height: 55px; */
    /* margin-top: -80px; */
    cursor: pointer;
    width: 100px;
    height: 100px;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    font-size: 0;
}

.dock-btn:hover {
    background: #d41528;
    color: #fff;
    font-size: 20px;
    line-height: 100px;
    font-weight: bold;
}

.dock-btn.year-prev {
    /* left: 12px; */
    left: -45px;
    background-image: url(../images/arrow-left.png);
    background-repeat: no-repeat;
    /* background-size: cover; */
    background-size: 45px;
    background-position: 70% 50%;
}

.dock-btn.year-next {
    /* right: 12px; */
    right: -45px;
    background-image: url(../images/arrow-right.png);
    background-repeat: no-repeat;
    /* background-size: cover; */
    background-size: 45px;
    background-position: 30% 50%;
}

.dock-btn:hover.year-prev {
    text-indent: 47px;
    background-image: none;
}

.dock-btn:hover.year-next {
    text-indent: 8px;
    background-image: none;
}

/* -页面其他辅助元素 end */