* {
    margin: 0px;
    padding: 0px;
    font-family: "微软雅黑";
}

#section-wh a:hover {
    text-decoration: underline;
}

.header a:hover {
    text-decoration: none !important;
}

.main-timeline {
    overflow: hidden;
    position: relative;
    margin: 3% 0;
    padding: 5%;
}

.main-timeline:before {
    content: "";
    width: 2px;
    height: 100%;
    background-color: rgb(193, 193, 193);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.main-timeline .timeline {
    width: 50%;
    padding-left: 50px;
    float: right;
    position: relative;
}

.main-timeline .timeline:before {
    content: "";
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgb(121, 121, 121);
    border: 5px solid rgb(193, 193, 193);
    position: absolute;
    top: 50%;
    left: -10px;
    transform: translateY(-50%);
}

#year1 {
    left: 0px;
}

.main-timeline .timeline:after {
    content: "";
    display: block;
    border-right: 30px solid white;
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
    position: absolute;
    top: 50%;
    left: 24px;
    transform: translateY(-50%);
}

.main-timeline .timeline-content {
    display: block;
    padding: 15px;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.08), 0 0 1px rgba(0, 0, 0, 0.3) inset;
    border-radius: 4px;
}

.main-timeline .timeline-content:before,
.main-timeline .timeline-content:after {
    content: "";
    display: block;
    width: 100%;
    clear: both;
}

.main-timeline .timeline-content:hover {
    text-decoration: none;
}

.main-timeline .inner-content {
    width: 70%;
    float: right;
    padding: 15px 0px 15px 15px;
    background: #fff;
    border-radius: 0 100px 100px 0;
    color: black;
    text-align: left;
}

.main-timeline .year {
    display: inline-block;
    font-size: 50px;
    font-weight: 600;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 7%;
    transform: translateY(-50%);
}

.main-timeline .title {
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
    margin: 0 0 5px 0;
}

.main-timeline .description {
    font-size: 14px;
    margin: 0 0 5px 0;
}

.main-timeline .timeline:nth-child(even) {
    padding: 100px 50px 0 0;
}

.main-timeline .timeline:nth-child(even):before,
.main-timeline .timeline:nth-child(even) .year {
    left: auto;
    right: -10px;
    top: 80%;
}

.main-timeline .timeline:nth-child(even) .year {
    right: 7%;
    top: 50%;
}

.main-timeline .timeline:nth-child(even):after {
    border-right: none;
    border-left: 30px solid white;
    left: auto;
    right: 24px;
    top: 80%;
}

.main-timeline .timeline:nth-child(even) .inner-content {
    float: none;
    border-radius: 100px 0 0 100px;
    text-align: right;
}

.main-timeline .timeline:nth-child(even) {
    margin-bottom: 80px;
}

.main-timeline .timeline:first-child,
.main-timeline .timeline:last-child:nth-child(even) {
    margin: 0;
}

@media only screen and (max-width: 960px) {
    .main-timeline .timeline:nth-child(2n) .timeline-content {
        padding-right: 13%;
    }

    .main-timeline .title {
        font-size: 130%;
    }

    .main-timeline .description {
        font-size: 80%;
    }

    .main-timeline .timeline:after {
        left: 21px;
    }

    .main-timeline .inner-content {
        width: 78%;
        padding-left: 15%;
    }

    .main-timeline .year {
        font-size: 45px;
        left: 10px;
    }

    .main-timeline .timeline:nth-child(2n) .year {
        right: 10px;
    }

    .main-timeline .year {
        left: 4%;
    }

    #year1 {
        left: -15px;
    }
}

@media only screen and (max-width: 767px) {
    .main-timeline .timeline:nth-child(2n) .timeline-content {
        padding-right: 10%;
    }

    .main-timeline .timeline:nth-child(2n):before, .main-timeline .timeline:nth-child(2n) .year {
        top: 50%;
    }

    .main-timeline .description {
        font-size: 100%;
    }

    .main-timeline .title {
        font-size: 160%;
    }

    .main-timeline:before,
    .main-timeline .timeline:before {
        left: 15px;
        transform: translateX(0);
    }

    .main-timeline .timeline:nth-child(2n):after {
        border-left: none;
        border-right: 30px solid white;
        right: auto;
        left: 24px;
        top: 50%;
    }

    .main-timeline .timeline,
    .main-timeline .timeline:nth-child(even),
    .main-timeline .timeline:nth-child(odd) {
        width: 100%;
        float: none;
        margin: 0 0 30px 0;
        text-align: left;
    }

    .main-timeline .timeline:last-child {
        margin-bottom: 0;
    }

    .main-timeline .timeline:nth-child(2n) {
        padding: 0 0 0 50px;
    }

    .main-timeline .timeline:before,
    .main-timeline .timeline:nth-child(2n):before {
        left: 7px;
    }

    .main-timeline .inner-content {
        width: 85%;
    }

    .main-timeline .timeline:nth-child(2n) .inner-content {
        float: right;
        border-radius: 0 100px 100px 0;
        text-align: left;
    }

    .main-timeline .timeline:nth-child(2n) .year {
        right: auto;
    }
}

@media only screen and (max-width: 479px) {
    .main-timeline img {
        width: 70%;
    }

    .main-timeline .description {
        font-size: 100%;
    }

    .main-timeline .title {
        font-size: 140%;
    }

    .main-timeline .timeline-content {
        padding: 15px;
    }

    .main-timeline .inner-content {
        width: 80%;
    }

    .main-timeline .year {
        font-size: 30px;
    }
}

.header {
    width: 100%;
    background-image: url(../img/banner.png);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    height: 600px;
    position: relative;
}

#header-left {
    color: white;
    /*background-color: red;*/
    float: left;
    padding-left: 1%;
}

.header span {
    margin-left: 2px;
    font-weight: lighter;
}

.header ul {
    float: right;
    /*background-color: red;*/
    list-style: none;
}

.header li {
    border-right: 1px solid #666666;
    font-weight: lighter;
    font-size: 10%;
    float: left;
    font-size: 100%;
    color: rgb(90, 89, 88);
    padding: 0 1.56rem;
}

a {
    text-decoration: none;
}

.header a {
    color: white;
}

#max-wh {
    max-width: 71rem;
    margin: 0 auto;
    /*background-color: red;*/
    padding-top: 1.25rem;
    text-align: center;
}

/*#max-wh a{
text-align: center;
}*/

.aside {
    width: 100%;
    text-align: center;
    margin: 0 auto;
    margin-bottom: 3%;
    color: rgb(109, 113, 131);
}

.aside h1 {
    text-align: center;
    margin: 0 auto;
    color: rgb(19, 29, 64);
    margin-top: 40px;
    margin-bottom: 35px;
}

.aside div {
    width: 95%;
    text-align: center;
    margin: 0px auto;
    font-size: 1.1em;
    display: block;
}

.aside #max-wh div {
    text-align: left;
    margin-bottom: 5%;
}

.section {
    height: 609px;
    background-image: url(../img/webmtbd.png);
    background-repeat: no-repeat;
    background-size: cover;
    border: 1px solid white;
    width: 100%;
    position: relative;
    padding-top: 58px;

}

#section-wh {
    position: relative;
    margin: 0 auto;
    max-width: 71rem;
    /*background-color: red;*/
    height: 530px;
}

.section h2:first-child {
    color: white;
    text-align: center;
    font-weight: 400;
    font-size: 2rem;
}

#jx {
    display: none;
}

.fzlc {
    margin-top: 50px;
    text-align: center;
    padding-bottom: 4%;
}

.footer-wh {
    text-align: center;
    max-width: 71rem;
    margin: 0 auto;
}

.link-img {
    /*width: 250px;*/
    /*height: 50px;*/
}

#yd {
    display: none;
}

.fzlc img {
    display: block;
    margin: 0 auto;
}

#web img {
    width: 100%;
    height: auto;
}

.hzhb {
    width: 100%;
    /*background-image: url(../img/hzhbweb.png);*/
    /*background-size: cover;*/
    /*background-position: center top;*/
    /*text-align: center;*/
    /*border: 1px solid black;*/
    padding-bottom: 3%;
    margin-top: 5%;
}

.footer-wh h2 {
    margin-bottom: 5%;
}

#aside-txt {
    margin-top: 8%;
}

.hzhb h2 {
    color: black;
}

.hzhb a {
    width: 18%;
    display: inline-block;
    margin: 1% 3%;
}

.bt {
    position: relative;
    background-color: black;
    color: white;
    border: 1px solid black;
    font-weight: lighter;
    height: 250px;
}

#aside-txt a:hover {
    text-decoration: none;
}

#sz, #szz, #szzz, #szzzz, #sz1, #sz2, #sz3, #sz4 {
    border-right: 2px solid rgba(114, 137, 184, 0.8);

}

#left {
    /*border: 1px solid yellow;*/
    width: 10%;
    /*border-right: 2px solid rgb(114, 137, 184);*/
    background-color: red;
    position: absolute;
    left: 360px;
    text-align: center;
}

#sz {
    text-align: center;
    width: 8%;
    color: rgb(248, 178, 104);
    font-size: 4em;
    position: absolute;
    left: 5%;
    top: 20%;
}

#sz1 {
    width: 8%;
    color: rgb(114, 137, 184);
    text-align: center;
    position: absolute;
    left: 5%;
    top: 36%;
}

#nr,
#nrr,
nrrr,
#nrrrr {
    font-weight: lighter;
}

#nr {
    display: inline-block;
    position: absolute;
    top: 20%;
    left: 15%;
    color: white;
    width: 30%;
    text-align: left;
    font-size: 1em;
}

#nrr {
    display: inline-block;
    position: absolute;
    top: 20%;
    left: 65%;
    color: white;
    width: 30%;
    text-align: left;
    font-size: 1em;
}

#nrrr {
    display: inline-block;
    position: absolute;
    top: 52%;
    left: 15%;
    color: white;
    width: 30%;
    text-align: left;
    font-size: 1em;
}

#nrrrr {
    display: inline-block;
    position: absolute;
    top: 52%;
    left: 65%;
    color: white;
    width: 30%;
    text-align: left;
    font-size: 1em;
}

#nr1,
#nr2,
#nr3,
#nr4 {
    display: inline-block;
    position: absolute;
    top: 30%;
    left: 15%;
    color: rgb(146, 164, 202);
    width: 30%;
    font-size: 0.9em;
    text-align: left;
    float: left;
}

#nr4 {
    top: 63%;
    left: 65%;
}

#nr2 {
    top: 30%;
    left: 65%;
}

#nr3 {
    top: 63%;
    left: 15%;
}

#szz {
    text-align: center;
    width: 8%;
    color: rgb(248, 178, 104);
    font-size: 4em;
    position: absolute;
    left: 55%;
    top: 20%;
}

#szzz {
    text-align: center;
    width: 8%;
    color: rgb(248, 178, 104);
    font-size: 4em;
    position: absolute;
    left: 5%;
    top: 52%;
}

#szzzz {
    text-align: center;
    width: 8%;
    color: rgb(248, 178, 104);
    font-size: 4em;
    position: absolute;
    left: 55%;
    top: 52%;
}

#sz2 {
    width: 8%;
    color: rgb(114, 137, 184);
    text-align: center;
    position: absolute;
    left: 55%;
    top: 36%;
}

#sz3 {
    width: 8%;
    color: rgb(114, 137, 184);
    text-align: center;
    position: absolute;
    left: 5%;
    top: 68%;
}

#sz4 {
    width: 8%;
    color: rgb(114, 137, 184);
    text-align: center;
    position: absolute;
    left: 55%;
    top: 68%;
}

.db {
    position: absolute;
    bottom: 10%;
    left: 47%;
}

#yd {
    display: none;
}

#web {
    display: block;
}

#bt1,
#bt2,
#bt3 {
    float: left;
    margin: 3% auto;
}

#bt2 {
    margin-left: 10%;
}

#bt1 span {
    display: none;
}

#bt3 {
    float: right;
}

.bt a:hover {
    text-decoration: underline;
}

.bt p {
    margin-top: 20px;
}

.bt img {
    display: none;
}

#bt4 {
    display: none;
}

#bt5 {
    display: inline-block;
    margin-top: 16%;
    color: #666666;
}

@media only screen and (min-width: 0px) and (max-width: 960px) {
    .hzhb a img {
        width: 80%;
    }

    .footer-wh {
        max-width: none;
    }

    .aside div {
        font-size: 3rem;
    }

    .section div {
        font-size: 2rem;
    }

    html {
        font-size: 62.5%;
    }

    #header-left {
        color: white;
        padding-left: 1%;
        text-align: left;
        width: 90%;
    }

    #bt5 {
        display: block;
        margin-top: 16%;
        text-align: center;
    }

    .header span {
        font-size: 2.5rem;
    }

    .section h2 {
        margin-top: -30px;
    }

    .fzlc img {
        margin-top: 3rem;
    }

    .aside a {
        color: #666666;
        font-size: 2rem;
    }

    #aside-txt a {
        font-size: 2rem;
    }

    .footer-wh {
        font-size: 2rem;
    }

    #jx {
        display: block;
        margin: 1rem;
    }

    #jx img {
        width: 10%;
    }

    #jx1 {
        display: none;
    }

    .section {
        background-image: url(../img/矩形3a.png);
        background-size: 100%;
    }

    #szzzz,
    #sz4,
    #nr4,
    #nrrrr {
        display: none;
    }

    #yd {
        display: block;
    }

    .fzlc div img {
        width: 93%;
    }

    #web {
        display: none;
    }

    .hzhb {
        background-image: url(../img/hzhb.png);
        background-size: 100%;
        background-repeat: no-repeat;
        border: none;
        padding-top: 2rem;
    }

    h2 {
        font-size: 5rem;
    }

    #tr td {
        font-size: 2.5rem;
        color: cadetblue;
    }

    .bt {
        background-color: rgb(46, 46, 57);
        height: auto;
        font-size: 2rem;
    }

    .bt img:first-child {
        display: block;
        width: 30%;
        margin-top: 10%;
        margin-left: 5%;
    }

    #bt1 {
        text-align: left;
        width: 100%;
        margin: 0px auto;
        padding: 5%;
        position: relative;
    }

    #bt1 span {
        display: inline-block;
    }

    #bt1 h3,
    #bt4 h3 {
        border-bottom: 1px solid #666666;
        padding-bottom: 3%;
    }

    #bt1 p,
    #bt4 p {
        border-bottom: 1px solid #666666;
        padding: 3%;

        /*padding-bottom: 10px;
  padding-left: 20px;*/
    }

    #bt2,
    #bt3 {
        display: none;
    }

    #bt4 {
        text-align: left;
        position: relative;
        width: 100%;
        margin: 0px auto;
        padding: 5%;
        color: #666666;
        display: block;
    }

    .bt p:last-child {
        padding: 5%;
        margin-bottom: 5%;
    }
}

@media only screen and (min-width: 961px) {
    body {
        max-width: 1920px;
    }
}

@media only screen and (max-width: 960px) {
    .hzhb a {
        margin: 0;
    }

    .section {
        display: none;
    }

    a {
        color: rgb(114, 137, 184);
    }

    .section {
        height: auto;
    }

    .header {
        background-image: url(../img/banner1.png);
        background-position: center center;
        background-size: 100%;
    }

    .header div {
        margin-left: 2rem;
        float: left;
        color: white;
        width: 100%;
    }

    .header ul {
        display: none;
    }

    #header-left img {
        width: 20%;
    }

    .aside {
        /*height: 50rem;*/
        font-size: 2rem;
    }

    .aside h1 {
        margin: 0 auto;
        font-size: 5rem;
        color: rgb(19, 29, 64);
        margin-top: 5%;
        margin-bottom: 3.5rem;
        width: 80%;
    }

    .aside div {
        width: 90%;
        text-align: left;
        margin: 6rem auto;
        color: rgb(109, 113, 131);
        font-weight: lighter;
    }

    .db {
        position: static;
        text-align: center;
        font-size: 2rem;
        margin-top: 80rem;
    }

    .fzlc {
        font-size: 2rem;
    }

    .hzhb a {
        width: 40%;
        margin-top: 10%;
    }
}

@media only screen and (max-width: 768px) {
    .main-timeline {
        overflow: visible;
    }

    .db {
        position: static;
        text-align: center;
        margin-top: 65rem;
    }

    .header {
        background-image: url(../img/banner1.png);
        -webkit-background-position: center center;
        background-size: 100%;
    }

    .header div {
        margin-left: 2rem;
        float: left;
        color: white;
    }

    .header ul {
        display: none;
    }

    .aside {
        font-size: 2rem;
    }

    .aside h1 {
        margin: 0 auto;
        font-size: 4.5rem;
        color: rgb(19, 29, 64);
        margin-top: 5%;
        margin-bottom: 35px;
        width: 80%;
    }

    .aside div {
        width: 90%;
        text-align: left;
        margin: 0 auto;
    }

    #sz,
    #szz,
    #szzz {
        padding-right: 4rem;
        font-size: 8rem;
        left: 2rem;
        top: 13rem;
        border-right: 1px solid cadetblue;
        height: 12rem;
    }

    #szz {
        top: 34rem;
    }

    #szzz {
        top: 55rem;
    }

    #sz1,
    #sz2,
    #sz3 {
        font-size: 2rem;
        left: 2.2rem;
        top: 23rem;
        border-right: none;
    }

    #sz2 {
        top: 44rem;
    }

    #sz3 {
        top: 65rem;
    }

    #nr,
    #nrr,
    #nrrr {
        top: 13rem;
        width: 70%;
        font-size: 2rem;
        left: 20%;
    }

    #nrr {
        top: 34rem;
    }

    #nrrr {
        top: 55rem;
    }

    #nr1,
    #nr2,
    #nr3 {
        top: 18rem;
        color: white;
        opacity: 0.4;
        width: 70%;
        font-size: 2rem;
        left: 20%;
    }

    #nr2 {
        top: 39rem;
    }

    #nr3 {
        top: 60rem;
    }

    .hzhb div {
        margin: 0 auto;
        /*margin-left: 15%;*/
    }

    .hzhb a {
        width: 40%;
    }
}

@media only screen and (max-width: 640px) {
    .hzhb a {
        width: 40%;
    }

    .hzhb a img {
        width: 80%;
    }
}

@media only screen and (max-width: 560px) {
    .db {
        position: static;
        text-align: center;
        font-size: 2rem;
        margin-top: 50rem;
    }

    .header {
        background-position: top center;
    }

    .aside h1 {
        margin: 0px auto;
        color: rgb(19, 29, 64);
        margin-top: 2.5em;
        margin-bottom: 4.5rem;
        width: 80%;
    }

    #sz,
    #szz,
    #szzz {
        padding-right: 3rem;
        font-size: 6.5rem;
        left: 2rem;
        top: 13rem;
        border-right: 1px solid cadetblue;
        height: 8rem;
    }

    #sz1,
    #sz2,
    #sz3 {
        font-size: 1.5rem;
        left: 3.2rem;
        top: 21rem;
        border-right: none;
    }

    #sz2 {
        top: 35rem;
    }

    #sz3 {
        top: 50rem;
    }

    #nr,
    #nrr,
    #nrrr {
        top: 11rem;
        width: 70%;
        font-size: 2rem;
    }

    #nr1,
    #nr2,
    #nr3 {
        top: 17rem;
        color: white;
        opacity: 0.4;
        width: 70%;
        font-size: 2rem;
        left: 20%;
    }

    #nr2 {
        top: 32rem;
    }

    #nr3 {
        top: 47rem;
    }

    #szz,
    #nrr {
        top: 26rem;
    }

    #szzz,
    #nrrr {
        top: 41rem;
    }
}


@media only screen and (max-width: 460px) {
    html {
        font-size: 45%;
    }

    .db {
        position: static;
        text-align: center;
        font-size: 2rem;
        margin-top: 80%;
    }

    .aside h1 {
        margin: 0 auto;
        color: rgb(19, 29, 64);
        margin-top: -3rem;
        margin-bottom: 4rem;
        width: 80%;
    }

    #sz,
    #szz,
    #szzz {
        padding-right: 2rem;
        font-size: 5rem;
        /*left: 2rem;*/
        top: 10rem;
        border-right: 1px solid cadetblue;
        height: 10rem;
    }

    #sz1,
    #sz2,
    #sz3 {
        font-size: 1.5rem;
        left: 1.9rem;
        top: 17rem;
        border-right: none;
    }

    #sz2,
    #nr2 {
        top: 32rem;
    }

    #sz3,
    #sz3 {
        top: 47rem;
    }

    #nr,
    #nrr,
    #nrrr {
        top: 10rem;
        width: 70%;
        font-size: 2rem;
        /*left: 9rem;*/
    }

    #nr1,
    #nr2,
    #nr3 {
        top: 18rem;
        color: white;
        opacity: 0.4;
        width: 70%;
        font-size: 2rem;
        /*left: 9rem;*/
    }

    #nr2 {
        top: 33rem;
    }

    #nr3 {
        top: 48rem;
    }

    #szz,
    #nrr {
        top: 25rem;
    }

    #szzz,
    #nrrr {
        top: 40rem;
    }
}

@media only screen and (max-width: 400px) {
    .db {
        position: static;
        text-align: center;
        font-size: 2rem;
        margin-top: 44rem;
    }

    .section h2 {
        font-size: 4rem;
    }

    .aside h1 {
        margin: 0 auto;
        color: rgb(19, 29, 64);
        margin-top: -30%;
        margin-bottom: 35px;
        width: 80%;
        font-size: 4rem;
    }

    #sz,
    #szz,
    #szzz {
        padding-right: 2rem;
        font-size: 5rem;
        /*left: 2rem;*/
        top: 13rem;
        border-right: 1px solid cadetblue;
        height: 10rem;
    }

    #sz1,
    #sz2,
    #sz3 {
        font-size: 1.5rem;
        left: 1.9rem;
        top: 20rem;
        border-right: none;
    }

    #sz2,
    #nr2 {
        top: 35rem;
    }

    #sz3,
    #sz3 {
        top: 50rem;
    }

    #nr,
    #nrr,
    #nrrr {
        top: 13rem;
        width: 70%;
        font-size: 2rem;
        /*left: 9rem;*/
    }

    #nr1,
    #nr2,
    #nr3 {
        top: 18rem;
        color: white;
        opacity: 0.4;
        width: 70%;
        font-size: 2rem;
    }

    #nr2 {
        top: 33rem;
    }

    #nr3 {
        top: 48rem;
    }

    #szz,
    #nrr {
        top: 28rem;
    }

    #szzz,
    #nrrr {
        top: 43rem;
    }
}

@media only screen and (max-width: 370px) {
    .db {
        position: static;
        text-align: center;
        font-size: 2rem;
        margin-top: 70%;
    }

    .section h2 {
        font-size: 4rem;
    }

    .aside h1 {
        margin: 0 auto;
        color: rgb(19, 29, 64);
        margin-top: -40%;
        margin-bottom: 35px;
        width: 80%;
        font-size: 4rem;
    }

    .aside div {
        margin-top: 1rem;
    }

    .section h2 {
        margin-top: -9rem;
    }
}