* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.top>img,
.nr>img,
.bottom>img {
    width: 100%;
    margin-top: -5px;
}

.nr>img {
    height: 3800px;
}

.bottom {
    background-color: #454545;
}

.nr {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dy {
    height: 250px;
    width: 1398px;
    position: absolute;
    top: 143px;
    background: url(../images/dybg.png) no-repeat;
}

.dy p {
    width: 1200px;
    height: 154px;
    color: #fff;
    position: absolute;
    top: 46px;
    left: 170px;
    font-size: 24px;
    text-indent: 2em;
    font-family: 'Courier New', Courier, monospace;
    line-height: 35px;
    text-align: justify;
}

.advertising {
    width: 1400px;
    position: absolute;
    top: 479px;
    display: flex;
    flex-direction: column;
    align-items: center;
}


.short {
    width: 1400px;
    position: absolute;
    top: 2560px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gold,
.silver,
.copper {
    width: 100%;
    margin: 40px 0;
}

.gold>img,
.silver>img,
.copper>img {
    margin-bottom: 40px;
}


.gold ul,
.silver ul,
.copper ul {
    width: 100%;
    display: flex;
}


li {
    list-style: none;
}

.advertising li {
    position: relative;
    display: flex;
    align-items: center;
}

.advertising li::after {
    content: '';
    position: absolute;
    width: 46px;
    height: 379px;
    left: 0;
    background: url(../images/left.png) no-repeat;
    background-size: 100% 100%;
}

.advertising li::before {
    content: '';
    position: absolute;
    width: 46px;
    height: 379px;
    right: -1px;
    background: url(../images/right.png) no-repeat;
    background-size: 100% 100%;

}

.advertising .mask {
    height: 65px;
}

.advertising .mask p {
    font-size: 16px;
    font-weight: normal;
}

.gold ul li {
    flex: 1;
    height: 381px;

}

.silver ul li {
    flex: 1;
    height: 300px;
}

.advertising .silver li::after,
.advertising .silver li::before,
.advertising .copper li::after,
.advertising .copper li::before {
    height: 250px;
}

.copper ul {
    flex-wrap: wrap-reverse;
    justify-content: center;
}

.copper ul li {
    height: 300px;
    width: 464px;

}

.gold li,
.silver li,
.copper li {
    display: flex;
    justify-content: center;
    align-items: center;
}

.gold li img {
    width: 589px;
    height: 345px;
    border-radius: 20px;
}

.silver li img,
.copper li img {
    width: 350px;
    height: 225px;
    border-radius: 20px;
}

.gold li a,
.silver li a,
.copper li a {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gold li a::after {
    content: '';
    width: 111px;
    height: 82px;
    position: absolute;
    background: url(../images/bf.png) no-repeat;
    background-size: cover;
}

.silver li a::after,
.copper li a::after {
    content: '';
    width: 82px;
    height: 62px;
    position: absolute;
    background: url(../images/bf.png) no-repeat;
    background-size: cover;
}

.short {

    width: 1398px;
}

.short ul {
    width: 100%;
    /* border: 1px solid #fff; */
    margin-top: 60px;
    display: flex;
    justify-content: space-around;
}

.short ul li {
    width: 279px;
    height: 49px;
    color: #fff;
    background: url(../images/jx1.png) no-repeat;
    display: flex;
    justify-content: center;
    font-weight: bold;
    font-size: 29px;
    cursor: pointer;
}

.short .active {
    background: url(../images/jx2.png) no-repeat;

}

.swiper_1,
.swiper_2,
.swiper_3,
.swiper_4 {
    width: 1400px;
    margin-top: 36px;
    position: relative;
    overflow: hidden;
}

.swiper_1 img,
.swiper_2 img,
.swiper_3 img,
.swiper_4 img {
    height: 500px;
}

.mask {
    width: 100%;
    height: 120px;
    position: absolute;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.692);
    display: flex;
    justify-content: center;
    align-items: center;
}

.mask p {
    color: #fff;
    font-size: 30px;
    font-weight: bold;
}

.swiper-horizontal>.swiper-pagination-bullets,
.swiper-pagination-bullets.swiper-pagination-horizontal {
    width: 100px;
    left: 1287px;
    bottom: 50px;
}

.swiper-pagination .swiper-pagination-bullet-active {
    background-color: #fff;
}

.swiper-pagination .swiper-pagination-bullet {
    background-color: #eee;
}

.prev,
.next {
    position: absolute;
    height: 100px;
    width: 40px;
    top: 523px;
    z-index: 999;
    cursor: pointer;
}

.prev {
    left: -50px;
    background: url(../images/prev.png) no-repeat;
}

.next {
    right: -60px;
    background: url(../images/next.png) no-repeat;
}

.swiper_2,
.swiper_3,
.swiper_4 {
    display: none;
}

.j,
.yd {
    display: none;
}

.sp_con {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
}

.sp_con3 {
    width: 100%;
    height: 461px;
    background: url(../images/tu7.png) no-repeat;
    background-size: 100% 100%;
    filter: blur(15px);
}

.sp_con .sp_con1 {
    width: 100%;
    height: 135px;
    display: block;
    position: absolute;
    top: 50%;
    margin-top: -70px;
}

.sp_con .sp_con2 {
    width: 100px;
    height: 100px;
    position: absolute;
    left: 5%;
    bottom: 5%;
}

.swiper-slide h1 {
    width: 100%;
    height: 110px;
    background: #fff;
    padding: 20px;
    box-sizing: border-box;
    font-size: 20px;
    line-height: 36px;
    text-align: center;
}

.swiper-slide h1 a {
    color: #000;
    text-decoration: none;
}
.wl_bot{
    font-size: 12px;
    background: #555f6c;
    color: #ffffff;
    padding: 10px;
    text-align:center;
}
.wl_bot span {
    display: inline-block;
    padding: 10px;
    color: #ffffff;
}
.wl_bot a {
    color: #ffffff;
}
.yd_1,
.yd_2,
.yd_3,
.yd_4{
  display: none;
}

@media screen and (max-width: 640px) {

    .top>img,
    .nr>img,
    .bottom>img {
        width: 100%;
        margin-top: -5px;
    }

    .nr>img {
        height: 4580px;
    }



    .nr {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .dy {
        width: 99%;
        height: 100px;
        background: none;
        top: 40px;
    }

    .dy p::before {
        content: '导语';
        position: absolute;
        height: 30px;
        width: 60px;
        top: -40px;
        left: 174px;
        font-size: 16px;
        font-weight: bold;
        border-radius: 10px 0 10px 0;
        border: 3px solid #0054af;
        background-color: #45abe4;
        display: flex;
        justify-content: center;
        align-items: center;
        text-indent: 0em;
        font-family: 'Courier New', Courier, monospace;

    }

    .dy p {
        width: 96%;
        color: #fff;
        position: absolute;
        top: 0px;
        left: 0px;
        font-size: 8px;
        text-indent: 2em;
        font-family: 'Courier New', Courier, monospace;
        line-height: 20px;
        text-align: justify;
        margin: 0 10px;
        padding: 10px;
        border: 3px solid #3493bf;
        border-radius: 5px;
        background-color: #0043b8;
    }

    .advertising {
        width: 100%;
        top: 231px;
    }

    .advertising .title,
    .short .title {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .advertising .title img {
        width: 95%;
    }

    .short .title img {
        width: 70%;
    }

    .gold,
    .silver,
    .copper {
        width: 100%;
        margin: 40px 0;
        /* display: none; */
    }

    .gold>img,
    .silver>img,
    .copper>img {
        margin-bottom: 40px;
        margin-left: 20px;
    }


    .gold ul,
    .silver ul,
    .copper ul {
        width: 100%;
        display: flex;
        flex-direction: column;
    }


    li {
        list-style: none;
    }

    .advertising li {
        position: relative;
        display: flex;
        align-items: center;
    }

    .advertising li::after,
    .advertising li::before {
        display: none;
    }


    .gold ul li {
        flex: 1;
        height: 381px;

    }

    .silver ul li {
        flex: 1;
        height: 300px;
    }

    .copper ul {
        justify-content: center;
    }

    .copper ul li {
        flex: 1;
        width: 100%;
    }

    .gold li,
    .silver li,
    .copper li {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .gold li img {
        width: 300px;
        height: 200px;
        border-radius: 20px;
        margin-top: 20px;
    }

    .silver li img {
        width: 280px;
        height: 200px;
        border-radius: 20px;
        margin-top: 20px;

    }

    .copper li img {
        width: 250px;
        height: 150px;
        border-radius: 20px;
        margin-top: 20px;
    }


    .short {
        width: 100%;
        top: 2800px;
    }

    .short ul {
        display: none;
    }

    .swiper_1,
    .swiper_2,
    .swiper_3,
    .swiper_4 {
        display: none;
    }

    .yd_1,
    .yd_2,
    .yd_3,
    .yd_4 {
        width: 100%;
        height:300px;
        margin-top: 36px;
        position: relative;
        overflow: hidden;
        display:flex;
    }

    .mask {
        height: 40px;
    }


    .prev,
    .next {
        display: none;
    }

    .j {
        width: 279px;
        height: 49px;
        color: #fff;
        background: url(../images/jx2.png) no-repeat;
        display: flex;
        justify-content: center;
        font-weight: bold;
        font-size: 29px;
        cursor: pointer;
        margin-top: 40px;
    }

    .bottom img {
        display: none;
    }

    .yd {
        display: flex;
        margin-left: 20px;
    }

    .yd li {
        color: #717171;
    }
    .mask p{
font-size: 16px;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
}