/* 实习生招聘 */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    /* color: #727171; */

}

/* 10÷16=62.5% */
html {
    font-size: 62.5%;
    color: #727171;
}

/* 12÷10=1.2 */
body {
    font-size: 14px;
    font-size: 1.4rem;
}

p {
    font-size: 14px;
    font-size: 1.4rem;
}

html,
body {
    min-width: 300px;
}

img {
    display: block;
    width: 100%;
    border: none;
    vertical-align: middle;
}

a {
    text-decoration: none;
}

.top {
    padding: 2rem 17.5%;
    /* background: tomato; */
}

.top .bag {
    display: flex;
    justify-content: space-between;
}

/* 导航栏 nav */
.nav {
    padding: 0 17.5%;
    background: #00479b;
    position: relative;
    z-index: 999999;
}

.nav .nav-list {
    position: absolute;
    top: 1px;
    right: 0;
    background: #68a4d9;
    display: none;
    z-index: 999;
    padding: 0;
}

.nav .nav-list a {
    width: 100%;
    padding: 1rem 0;
    text-align: center;
    display: block;
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid #a0c7ea;
}

.nav .nav-a {
    position: relative;
    padding: 1.7rem 0;
    text-align: center;
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
    transition: all 1s;
}

.nav .nav-a:hover {
    background: #55a6ef;
    opacity: 0.8;
    color: #fff;
}

.nav .nav-a .nav-slide {
    position: absolute;
    width: 100%;
    top: 100%;
    z-index: 9999;
    display: none;


}

.nav .nav-a .nav-slide a {
    display: block;
    text-decoration: none;
    padding: 2rem 0;
    width: 100%;
    color: #fff;
    background: #89bded;

}

.nav .nav-a .nav-slide a:hover {
    background: #55a6ef;
    color: #fff;
}

.want{
    position: absolute;
    width: 9%;
    height: 3.5rem;
    text-align: center;
    top: 50%;
    left: 19%;
    border-radius: 30px;
    line-height: 3.4rem;
    border: 1px solid #00479b;
    /* font-weight: 700; */
    color: #00479b;
    letter-spacing: 2px;
    font-size: 1.6rem;
    cursor: pointer;
}
.want:hover{
    background: #55a6ef;
    color: #fff;
    border: 0;
}
/* 内容层 content */
.content {
    padding: 0 16.75%;
    /* background: #00479b; */
    position: relative;
    z-index: 9999;
}

.content .content-background {
    background: url(/img/backgroundPC.png);
    background-size: 100%;
    background-repeat: no-repeat;
    margin-top: -9%;
    padding-top: 6rem;
    color: #727171;
    
}


.content .content-background p {
    padding: 1rem 5%;
    line-height: 1.9;
    font-size: 1.8rem;
    text-align: justify;
    text-justify: inter-ideograph;
}
.content .content-background p:nth-child(3) {
    padding-top: 0;
    padding-bottom: 3rem;
    padding-left: 5%;
    padding-right: 5%;
}
/* banner 轮播图 */
.banner{
    padding: 1rem 6%;
}
.swiper-slide {
    position: relative;
}
.swiper-slide .con {
    position: absolute;
    bottom: 0;
    background: black;
    width: 100%;
    color: #fff;
    opacity: 0.6;
    font-size: 1.2rem;
    text-align: center;
}



.swiper-container .swiper-pagination .swiper-pagination-bullet-active {
    opacity: 1 !important;
    background: #007aff;
    width: 20px !important;
    height: 8px !important;
    border-radius: 5px !important;
    transition: all 1s !important;
}

/* video 视频 */

.video{
    padding: 3rem 21%;
}

/* 比赛地点 时间 信息 time */
.time {
    padding: 2rem 21%;
    color: #727171;
}

.time .time-img {
    /* padding: 2rem 8%; */
    display: flex;
    justify-content: center;
    align-items: center;
}
.time .time-img img{
    width: 12%;
}
.time p{
    text-align: center;
}

.time p span.time-t{
    font-weight: 700;
}
.time p span{
    white-space:nowrap;
}
/* 大赛课题 megagame-title */
.megagame-title{
    padding-top: 4rem;
    padding-bottom: 2rem;
    padding-left: 21%;
    padding-right: 21%;
}
.megagame-title .megagame-t{
    display: flex;
    justify-content: center;
    align-items: center;
}
.megagame-title .megagame-t img{
    width: 32%;
}
.megagame-title .megagame-xian {
    margin-top: 4rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.megagame-title p{
    color: #727171;
    margin-top: 3rem;
    text-align: justify;
    text-justify: inter-ideograph;
}

/* hang  */
.hang{
    padding: 2rem 21%;
    color: #727171;
}
.hang p{
    text-align: center;
    padding: 1rem 2rem;
    margin: 0;
}
.hang p:nth-child(2n+0) {
    padding: 0;
    margin: 0;
}
.hang p:nth-child(1) {
    text-align: center;
    padding: 0;
    padding-top: 2rem;
    
}
.hang p:nth-child(3) {
    padding: 0;
    text-align: center;
    padding-bottom: 2rem;
}
 /* 关于主办方 sponsor */

 .sponsor{
    margin-top: 3rem;
 }
 .sponsor .sponsor-img{
    padding-bottom: 8rem;
    padding-left: 21%;
    padding-right: 21%;
    background: #efefef;
    height: auto;
 }
 .sponsor .sponsor-img .sponsor-img-t{
    padding-top: 4rem;
    display: flex;
    justify-content: center;
    align-items:center; 
 }
.sponsor .sponsor-img .sponsor-img-t img{
    width: 300px;
}

.sponsor .sponsor-img table{
    width: 100%;
    margin-top: 3rem;
    color: #727171;
}
.sponsor .sponsor-img table tr {
    border-left: 3px solid #00479b;
}
.sponsor .sponsor-img table tr:nth-child(odd) {
    background: #fff;
}
.sponsor .sponsor-img table tr td {
    width: 20%;
    padding: 3% 2%;
    border-right: 2px solid #fff;
}
.sponsor .sponsor-img table tr td:nth-child(2) {
    width: 80%;
    border-right: 0;
    text-align: justify;
    padding-left: 4%;
}


/* 小屏幕 */
@media only screen and (max-width: 768px) {

    html,
    body {
        color: #727171;
    }

    .top {
        padding: 1.5rem 5%;
        background: #00479b;
        position: fixed;
        z-index: 99999;
    }

    .top .nav-list {
        width: 43%;
        position: absolute;
        top: 100%;
        background: #68a4d9;
        right: 0;
        z-index: 99999;
        padding: 0;
        display: none;
    }

    .top .nav-list a {
        display: block;
        padding: 1rem 0;
        color: #fff;
        text-align: center;
        text-decoration: none;
        border-bottom: 1px solid #a0c7ea;
    }
    .content {
        padding: 0 2%;
        /* background: #00479b; */
        position: relative;
    }


    .content .content-background {
        padding-top: 1rem;
    }

    .content .content-background p {
        padding-top: 2rem;
        padding-bottom: 1rem;
        padding-left: 2%;
        padding-right: 2%;
    }
    .content .content-background p:nth-child(2) {
        padding: 0rem 2%;
    }
    
    .swiper-button-prev,
    .swiper-button-next {
        display: none !important;
    }

    .video {
        padding: 2rem 8%;
    }
    .time {
        padding: 2rem 8%;
    }

    .megagame-title {
        padding-top: 2rem;
        padding-bottom: 2rem;
        padding-left: 8%;
        padding-right: 8%;
    }
    .megagame-title .megagame-t img {
        width: 65%;
    }

    .hang {
        padding: 2rem 8%;
    }

    .hang p {
        text-align: center;
       padding: 0;
        margin: 0;
    }
    .hang p:nth-child(1){
        text-align: center;
        padding-top: 1rem;
    }
    .hang p:nth-child(3) {
        text-align: center;
        padding-bottom: 1rem;
    }



    .sponsor .sponsor-img .sponsor-img-t img {
        width: 50%;
    }

    .sponsor .sponsor-img {
        padding-bottom: 8rem;
        padding-left: 5%;
        padding-right: 5%;
        background: #efefef;
        height: auto;
    }

     .want {
    position: absolute;
    width: 108px;
    height: 2.6rem;
    text-align: center;
    top: 62%;
    left: 6%;
    border-radius: 30px;
    line-height: 2.4rem;
    border: 1px solid #00479b;
    /* font-weight: 700; */
    color: #00479b;
    letter-spacing: 2px;
    font-size: 1.4rem;
     }

}



/* 大屏幕  最小768 --- */
@media only screen and (min-width: 768px) {
    .more {
        display: none;
    }

    .nav-list {
        display: none;
    }

}

/* 超大屏幕 大于1980*/
@media only screen and (min-width: 1980px) {

    html {
        font-size: 120% !important;
    }
    .megagame-title .megagame-t img {
        width: 400px;
    }




}