@charset "utf-8";



.gg-tit {
    color: #333333;
    font-weight: 600;
    border-bottom: 1px solid #ccc;
    overflow: hidden;
    padding-bottom: 20px;
    margin-bottom: 25px;
    position: relative;
}

.gg-tit a {
    font-weight: normal;
    color: #666666;
    font-size: 14px;
    position: absolute;
    right: 0;
    top: 5px;
}

.gg-tit a:hover {
    color: #015290;
}

.gg-tit a.on {
    display: block;
}

.gg-tit span {
    font-size: 36px;
    line-height: 36px;
    font-weight: 600;
    float: left;
    padding-left: 20px;
}

.gg-tit span:first-child {
    margin-left: 0;
}

.gg-tit span::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    background: #8c0000;
    transition: all 0.3s;
    bottom: 0;
}

.gg-tit span.on {
    color: #8c0000;
    position: relative;
}


.section1 {
    padding-top: 80px;
    padding-bottom: 90px;
    background: url(../images/s1-bj.jpg) no-repeat;
    background-position: center center;
    background-size: cover;
}

.s1-l {
    float: left;
    width: 978px;
    margin-right: 30px;
    position: relative;
    background: #000;
}

.video-box {
    position: relative;
    padding-top: 56%;
}

.s1-l video {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.s1-r {
    overflow: hidden;
}

.s1-r ul li {}

.s1-r ul li a {
    line-height: 89px;
    display: block;
    background-color: #ffffff;
    box-shadow: 0px 4px 10px 0px rgba(204, 204, 204, 0.5);
    margin-top: 25px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-left: 40px;
    font-size: 24px;
    font-weight: bold;
    color: #333333;
}

.s1-r ul li:nth-child(1) a {
    margin-top: 0;
}

.s1-r ul li a img {
    vertical-align: middle;
}

.s1-r ul li a img:nth-child(1) {
    margin-right: 10px;
}

.s1-r ul li a img:nth-child(2) {
    margin-left: 20px;
    margin-top: -3px;
}

.s1-r ul li a:hover {
    background-color: #8c0000;
    box-shadow: 0px 4px 10px 0px rgba(140, 0, 0, 0.25);
    color: #fff;
}


.section2 {
    padding-top: 90px;
    padding-bottom: 90px;
}

.s2-l {
    float: left;
    width: 49%;
}

.s2-r {
    float: right;
    width: 49%;
}

.first-text a {
    display: block;
    margin-bottom: 10px;
}

.first-text h3 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: url(../images/nes-tit.png) no-repeat;
    background-position: left center;
    font-size: 22px;
    line-height: 30px;
    padding-left: 35px;
    color: #333333;
}

.first-text p {
    font-size: 18px;
    padding-left: 35px;
    line-height: 28px;
    height: 56px;
    overflow: hidden;
    color: #666666;
    margin-top: 10px;
}



/*文字 列表 */

.i-list li {
    position: relative;
    font-size: 22px;
    line-height: 56px;
    padding: 0 0 0 25px;
}

.i-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: #d0d0d0;
}

.i-list li a {
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #333333;
}

.i-list li:hover::before {
    background: #8c0000;
}

.i-list li:hover a {
    color: #8c0000;
}

.i-list li span {
    position: absolute;
    right: 0;
    top: 0;
    color: #888888;
    font-size: 16px;
}


.section3 {
    padding-top: 90px;
    padding-bottom: 90px;
    background: rgba(225, 230, 234, .4);
}


.s3-l {
    float: left;
    width: 49%;
}

.s3-r {
    float: right;
    width: 49%;
}

.section4 {
    padding-top: 90px;
    padding-bottom: 90px;
    background: url(../images/s4-bj.jpg) no-repeat;
    background-position: center bottom;
    background-size: cover;
}


.s4-l {
    float: left;
    width: 49%;
}

.s4-r {
    float: right;
    width: 49%;
}

.s4-r .i-list li {
    padding-left: 0;
}

.s4-r .i-list li::before {
    content: none;
}

.s4-r .i-list a {
    position: relative;
    padding-left: 110px;
}



.s4-r .i-list a div {
    position: absolute;
    width: 97px;
    height: 41px;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: #ffffff;
    border: solid 1px #e1e2e2;
}

.s4-r .i-list a div img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
}

@media screen and (max-width: 1500px) {
    .s1-l {
        width: 750px;
        margin-right: 20px;
    }

    .s1-r ul li a {
        line-height: 70px;
        margin-top: 18px;
        padding-left: 10px;
        font-size: 20px;
    }
    .first-text h3,.i-list li{
        font-size: 20px;
    }

    .gg-tit span {
        font-size: 28px;
    }
}

@media screen and (max-width: 1200px) {
    .s1-l {
        width: 650px;
    }

    .s1-r ul li a {
        line-height: 58px;
        font-size: 18px;
    }

    .gg-tit span {
        font-size: 24px;
    }
    .first-text h3,.i-list li{
        font-size: 18px;
    }
    .i-list li{
        line-height: 44px;
    }
    .first-text p{
        font-size: 16px;
    }
}

@media screen and (max-width: 1024px) {
    .section1,.section2,.section3,.section4{
        padding-top: 35px;
        padding-bottom: 35px;
    }
    .s1-r ul li a {
        font-size: 16px;
        margin-top: 10px;
    }

    .s1-l {
        float: none;
        width: auto;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .gg-tit{
        padding-bottom: 10px;
        margin-bottom: 10px;
    }
    .gg-tit span {
        font-size: 20px;
        line-height: 20px;
        padding-left: 15px;
    }

    .gg-tit span::after {
        width: 3px;
    }

    .gg-tit a {
        top: 0;
    }

    .first-text h3,.i-list li{
        font-size: 16px;
    }
  
    .first-text p{
        font-size: 14px;
    }
}

@media screen and (max-width: 768px) {
    .s1-r ul li a {
        padding-right: 10px;
        padding-left: 10px;
        line-height: 50px;
    }

    .s1-r ul li a img {
        display: none;
    }
    .s2-l,.s3-l,.s4-l{
        float: none;
        width: auto;
        margin-bottom: 20px;
    }
    .s2-r,.s3-r,.s4-r{
        float: none;
        width: auto;
    }
}