* {
    margin: 0;
    padding: 0;
}

span {
    display: inline-block;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
}


/* 下面是banner图代码 */
.bg_mobile_img,.img_title_mobile{
    display: none;
}
.bg_pc_img{
    display: block;
}
.img_title_pc{
    display: inline-block;
}
.content {
    background: #FAFAFA;
}

.club_banner {
    width: 100%;
    position: relative;
}

.club_banner_img {
    width: 100%;
}

.club_banner_words {
    font-family: XinGothic-Regular;
    font-size: 80px;
    color: #FAFAFA;
    letter-spacing: 2px;
    position: absolute;
    max-width: 1320px;
    margin: 0 auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    height: 180px;
}

.club_banner_words .opacity_words {
    font-family: XinGothic-Regular;
    /* font-size: 100px; */
    font-size: 80px;
    color: #FAFAFA;
    letter-spacing: 4px;
}

.opacity_words {
    opacity: 0.4;
}


/* banner图代码结束 */

.club_nav {
    width: 84%;
    max-width: 1320px;
    font-size: 0;
    margin: 0 auto;
    text-align: right;
}

.club_nav_item {
    font-size: 16px;
    width: 100px;
    height: 30px;
    line-height: 30px;
    margin: 5px 0;
    color: #a0a0a0;
    text-align: center;
    cursor: pointer;
}

.club_nav_item:not(:last-of-type) {
    border-right: 1px solid #a0a0a0;
}

.club_nav .checked {
    color: #0069C8;
    position: relative;
}

.club_nav .checked::after {
    width: 80px;
    height: 1px;
    background: #0069C8;
    content: "";
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}

.max_width {
    width: 100%;
}

.club_content {
    max-width: 1320px;
    width: 84%;
    font-size: 0;
    margin: 0 auto;
}

.img_title {
    display: inline-block;
}

.club_list {
    width: 50%;
    font-size: 16px;
    display: inline-block;
    vertical-align: top;
}

.club_list_words {
    font-family: XinGothic-Regular;
    font-size: 14px;
    color: #505050;
    letter-spacing: 2px;
    line-height: 34px;
    margin: 0 10%;
}

.club_list_title .club_h1 {
    display: inline-block;
    vertical-align: middle;
    font-family: SKSans-Regular;
    font-size: 30px;
    color: #505050;
    letter-spacing: 0;
    line-height: 30px;
}

.club_h1 h1 {
    font-size: 30px;
}

.club_h1 h1:nth-of-type(2) {
    position: relative;
    right: 20px;
    color: #a0a0a0;
}

.img_title {
    display: inline-block;
    vertical-align: middle;
}


/* 下面是第二行的代码 */

.club_content2,
.club_content3,
.club_content4,
.club_content5 {
    margin-top: 1%;
}

.club_content2 {
    max-width: 1620px;
    width: 90%;
}

.inline_img {
    display: inline-block;
    width: 56%;
    margin-right: 2%;
    margin-top: 100px;
    vertical-align: middle;
}

.club_content2 .club_list {
    width: 40%;
    float: right;
}

.club_content2 .club_list_words {
    margin: 0;
    margin: 0 5%;
    text-align: right;
}

.club_list_words p {
    margin: 1% 0;
    text-align: left;
}


/* 第二行结束 */


/* 第三行开始 */

.club_content3 {
    width: 100%;
    text-align: right;
}

.img_content3 {
    max-width: 1620px;
    width: 90%;
    text-align: right;
    display: inline-block;
    font-size: 0;
}

.img_content3 img,
.content3_right {
    display: inline-block;
    width: 63%;
    vertical-align: top;
}

.content3_right img {
    width: 100%;
}

.img_content3>img {
    width: 34%;
    margin-right: 1%;
}

.img_content3 h1 {
    font-family: SKSans-Regular;
    font-size: 80px;
    color: #B0B0B0;
    letter-spacing: 2px;
    line-height: 70px;
}

.img_content3 span {
    text-align: left;
    display: block;
    margin-top: 5%;
}

.club_content4 {
    max-width: 1620px;
    width: 90%;
}

.club_content4 img {
    width: 100%;
}

.club_content5 {
    width: 100%;
    text-align: center;
    font-size: 0;
}

.club_content5 img {
    display: inline-block;
    width: 49.5%;
}

.club_content5 img:first-of-type {
    margin-right: 0.5%;
}

.club_content5 img:last-of-type {
    margin-left: 0.5%;
}


/* 关于俱乐部结束 */


/* 俱乐部活动开始 */

.club_content_box {
    max-width: 1320px;
    margin: 0 auto;
    width: 84%;
}

.flex_layout {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    justify-content: space-between;
    -webkit-box-pack: justify;
    -ms-justify-content: space-between;
    -moz-justify-content: space-between;
    -webkit-justify-content: space-between;
}

.layout_column {
    -webkit-direction: column;
    -moz-direction: column;
    -ms-direction: column;
    flex-direction: column;
}

.flex_box {
    -webkit-flex: 1;
    -moz-flex: 1;
    -ms-flex: 1;
    flex: 1;
}

.eachBox {
    width: 420px;
    height: 420px;
    margin: 0.5%;
    background: #fff;
    padding: 3%;
    perspective: 1000px;
    -webkit-perspective: 1000px;
    -moz-perspective: 1000px;
    -ms-perspective: 1000px;
    -o-perspective: 1000px;
    position: relative;
}

.eachBox img {
    width: 300px;
    height: 300px;
    display: block;
    margin: 0 auto;
    transition: 1s;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    margin: auto;
    transition-timing-function: linear;
    -webkit-transition-timing-function: linear;
    -moz-transition-timing-function: linear;
    -ms-transition-timing-function: linear;
    -o-transition-timing-function: linear;
}

img.college_logo {
    z-index: 9;
    -moz-transition-delay: 0.2s;
    -ms-transition-delay: 0.2s;
    -o-transition-delay: 0.2s;
    -webkit-transition-duration: 0.2s;
    -moz-transition-duration: 0.2s;
    -ms-transition-duration: 0.2s;
    -o-transition-duration: 0.2s;
    transition-delay: 0.2s;
    transition-duration: 0.2s;
    transition-timing-function: linear;
    -webkit-transition-timing-function: linear;
    -moz-transition-timing-function: linear;
    -ms-transition-timing-function: linear;
    -o-transition-timing-function: linear;
}

.eachBox .code_img {
    opacity: 0;
    transition: 0.2s;
    -webkit-transition: 0.2s;
    -moz-transition: 0.2s;
    -ms-transition: 0.2s;
    -o-transition: 0.2s;
    -webkit-transform: rotateY(90deg);
    -moz-transform: rotateY(90deg);
    -ms-transform: rotateY(90deg);
    -o-transform: rotateY(90deg);
    transform: rotateY(90deg);
    transition-timing-function: linear;
    -webkit-transition-timing-function: linear;
    -moz-transition-timing-function: linear;
    -ms-transition-timing-function: linear;
    -o-transition-timing-function: linear;
}

.eachBox:hover img.college_logo {
    opacity: 0;
    transform: rotateY(90deg);
    transition: 0.2s;
    -webkit-transition: 0.2s;
    -moz-transition: 0.2s;
    -ms-transition: 0.2s;
    -o-transition: 0.2s;
    -webkit-transform: rotateY(90deg);
    -moz-transform: rotateY(90deg);
    -ms-transform: rotateY(90deg);
    -o-transform: rotateY(90deg);
    transition-timing-function: linear;
    -webkit-transition-timing-function: linear;
    -moz-transition-timing-function: linear;
    -ms-transition-timing-function: linear;
    -o-transition-timing-function: linear;
}

.eachBox:hover img.code_img {
    opacity: 1;
    transform: rotateY(180deg);
    transition-delay: 0.2s;
    transition-duration: 0.2s;
    transition-timing-function: linear;
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
    -ms-transform: rotateY(180deg);
    -o-transform: rotateY(180deg);
    -webkit-transition-delay: 0.2s;
    -moz-transition-delay: 0.2s;
    -ms-transition-delay: 0.2s;
    -o-transition-delay: 0.2s;
    -webkit-transition-duration: 0.2s;
    -moz-transition-duration: 0.2s;
    -ms-transition-duration: 0.2s;
    -o-transition-duration: 0.2s;
    -webkit-transition-timing-function: linear;
    -moz-transition-timing-function: linear;
    -ms-transition-timing-function: linear;
    -o-transition-timing-function: linear;
}

.eachBox h3 {
    text-align: center;
    font-family: XinGothic-Regular;
    font-size: 30px;
    color: #505050;
    letter-spacing: 0;
    margin-top: 10px;
    position: absolute;
    bottom: 5%;
    left: 0;
    right: 0;
    margin: auto;
}


/* 俱乐部活动结束 */
@media screen and (max-width: 1560px) {
    .eachBox{
        width: 410px;
        height: 410px;
    }
}
@media screen and (max-width: 1440px) {
    .club_content_box {
        width: 100%;
    }
    .club_content {
        width: 100%;
    }
    .club_content2 {
        width: 100%;
        margin-right: 0;
    }
}
@media screen and (max-width: 1280px) {
    .eachBox{
        width: 400px;
        height: 400px;
    }
}