.page_mobile {
    display: none;
}

.page_container {
    min-width: 1200px;
    letter-spacing: 1px;
    font-size: 16px;
    color: #333;
    background-color: #fff;
}

/*banner*/
.banner {
    width: 100%;
    height: 600px;
    background: url("../images/banner_pc.jpg") no-repeat center;
}

/*header*/
.header {
    width: 100%;
    height: 80px;
    background-color: #286bee;
}

.header_fixed {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 5;
}

.nav {
    width: 1200px;
    margin: 0 auto;
}

.nav_list {
    float: left;
    line-height: 80px;
}

.nav_list a {
    color: #fff;
}

.nav_item {
    float: left;
    margin-right: 35px;
    color: #fff;
    position: relative;
}
.nav_item:hover .nav_item_hov{
    display: block;
}
.nav_item_hov{
    position: absolute;
    top: 80px;
    left: 0;
    z-index: 999;
    display: none;
    width: 100%;
    background-color: #286bee;
}
.nav_item_hov a{
    display: block;
    width: 100%;
    line-height: 40px;
    color: #fff;
    text-align: center;
}
.nav_item_hov a:hover{
    background-color: #437ef3;
}
.login {
    float: right;
    text-align: right;
    padding-top: 22px;
}

.login_student,
.login_school {
    color: #fff;
    min-width: 80px;
    height: 36px;
    padding: 0 15px;
    line-height: 36px;
    text-align: center;
    overflow: hidden;
    background-color: #ffa705;
    border: 1px #ffa705 solid;
    border-radius: 30px;
}

.login_school {
    color: #333;
    background-color: #fff;
    border: 1px #ffa705 solid;
}

.loginout {
    color: #333;
    min-width: 80px;
    height: 36px;
    padding: 0 15px;
    line-height: 36px;
    text-align: center;
    overflow: hidden;
    background-color: #fff;
    border: 1px #ffa705 solid;
    border-radius: 5px;
}

.center {
    width: 100%;
}

.c_box {
    width: 100%;
}

.c_title {
    width: 300px;
    margin: 0 auto;
    color: #333;
    text-align: center;
}

.c_title p:first-child {
    width: 197px;
    padding-left: 22px;
    font-size: 35px;
    font-weight: bold;
    letter-spacing: 3px;
    line-height: 50px;
    margin: 0 auto;
}

.c_title p:last-child {
    font-size: 14px;
}

.c_title p span {
    position: relative;
    bottom: 15px;
    display: inline-block;
    width: 30px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    color: #fff;
    font-size: 16px;
    border-radius: 50%;
    letter-spacing: 0;
    margin-right: 10px;
    background-color: #fb7d44;
    background-image: linear-gradient(to bottom right, #fb7d44, #fa9749);
    box-shadow: 2px 2px 10px #fa9749;
}

/* 大赛新闻 */
.c_news {
    width: 100%;
    margin-top: 48px;
}
.c_news .news_content .new_pic .text{
    display: none;
}

.news_content {
    width: 1200px;
    margin: 54px auto 0 auto;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.news_content .news_tag {
    width: 14px;
    height: 274px;
    background-color: #286bee;
    margin-right: 15px;
}

.news_content .news_left {
    width: 487px;
    height: 274px;
    background-color: #fff5c2;
    margin-right: 32px;
}
.news_content .news_left .swiper,.new_pic{
    display: block;
    width: 100%;
    height: 100%;
}
.news_content .news_left .swiper,.new_pic img{
    width: 100%;
    height: 100%;
}
@keyframes scrollnews {
    0% { transform: translateY(0); }
    100% { transform: translateY(-90%); } /* 根据内容宽度调整 */
}

.news_content .news_right{
    width: 652px;
	height: 274px;
	background-color: #f7f7f7;
    overflow: hidden;
}
.news_content .news_right ul{
    width: 100%;
    height: 100%;
    padding: 30px;
    box-sizing: border-box;
    animation: scrollnews 10s linear infinite;

}
.news_content .news_right ul li{
    width: 100%;
    height: 17px;
    line-height: 17px;
    margin-top: 33px;
}
.news_content .news_right ul li:first-child{
    margin-top: 0;
}
.news_content .news_right ul li a{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.news_content .news_right ul li a p{
    width: 434px;
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis;
}
.news_content .news_right ul li a i{
    display: block;
    width: 11px;
    height: 11px;
    background-color: #d2ad78;
    transform: rotateZ(45deg);
}
.news_content .news_right ul li a span{
    color: #9fa0a0;
    font-size: 14px;
}
.news_content .news_right ul li a p{
    color: #000;
    font-size: 16px;
}
/*大赛背景*/
.c_bg {
    width: 1200px;
    margin: 0 auto;
    margin-top: 48px;
}

.bg_content {
    width: 100%;
    height: 489px;
    margin-top: 54px;
    background: url("../images/bkg.png") no-repeat;
    background-size: 100% 100%;
}

.bg_left {
    float: left;
    width: 600px;
    line-height: 36px;
    padding: 18px 50px 0 50px;
}

.bg_right {
    float: right;
    width: 500px;
    padding-top: 290px;
}

.bm_btn_bg {
    width: 237px;
    height: 65px;
    text-align: center;
    line-height: 65px;
    font-size: 18px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 50px;
}

.bm_btn_bg a {
    width: 100%;
    color: #333;
}

/*大赛主办*/
.c_org {
    width: 100%;
    margin-top: 60px;
    padding: 40px 0 60px 0;
    background: url("../images/bg_blue.png") no-repeat;
    background-size: 100% 100%;
}

.c_org .c_title {
    color: #fff;
}

.org_content {
    width: 1110px;
    margin: 0 auto;
    margin-top: 30px;
    padding: 30px 45px 50px 45px;
    line-height: 36px;
    color: #fff;
    background-color: rgba(255, 255, 255, 0.2);
}

.org_content p {
    width: 100%;
    text-indent: 35px;
}

.org_content p:first-child {
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    text-indent: 0;
    margin-bottom: 30px;
}

.org_content p:last-child {
    text-align: center;
    font-size: 30px;
    font-weight: bolder;
    margin-top: 30px;
}

/*专家顾问*/
.c_expert {
    width: 100%;
    padding: 60px 0;
    background: url("../images/expert_bg.jpg") no-repeat;
    background-size: 100% 100%;
}

.expert_content {
    width: 1200px;
    margin: 0 auto;
    margin-top: 54px;
}

.expert {
    float: left;
    width: 590px;
    margin-bottom: 20px;
}

.expert:nth-child(2),
.expert:nth-child(4) {
    margin-left: 20px;
}

.expert li {
    float: left;
    width: 285px;
    margin-right: 20px;
    background-color: #fff;
}

.expert li:last-child {
    margin-right: 0;
}

.expert li img {
    width: 100%;
    height: 148px;
}

.expert li p:nth-child(2) {
    position: relative;
    width: 100%;
    height: 37px;
    line-height: 36px;
    text-align: center;
    font-size: 17px;
    color: #fff;
    margin-top: -40px;
    background-color: rgba(0, 0, 0, 0.3);
}

.expert li p:nth-child(3) {
    padding: 15px 20px;
    height: 125px;
    font-size: 14px;
    line-height: 25px;
}

/* 线下活动 */
.c_xxhd{
    width: 100%;
    padding: 20px 0 0 0;
}
.c_xxhd .xxhd_content{
    width: 1200px;
    margin: 20px auto;
    overflow: hidden;
}
.c_xxhd .xxhd_content ul{
    width: 1200px;
    height: 207px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: scroll 20s linear infinite;
}
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); } /* 根据内容宽度调整 */
}
.scroll-container {
    animation: scroll 20s linear infinite; /* 根据需要设置时间 */
}
.c_xxhd .xxhd_content ul li{
    width: 284px;
    height: 207px;
    margin-right: 20px;
    flex: 0 0 auto;
}
.c_xxhd .xxhd_content ul li img{
    width: 100%;
    height: 100%;
}
/*大赛详情*/
.c_details {
    width: 100%;
    margin-top: 60px;
    padding-bottom: 60px;
}

.details_content {
    width: 1200px;
    margin: 0 auto;
    margin-top: 54px;
}

.d_item {
    width: 100%;
}

.d_left {
    float: left;
    width: 220px;
    color: #fff;
    text-align: center;
    padding: 66px 0;
    background-color: #2b6cf0;
    background-image: linear-gradient(to right bottom, #2b6cf0, #4a86fe);
}

.d_item:first-child .d_left {
    padding: 83px 0;
}

.d_left p:nth-child(1) {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 12px;
}

.d_right {
    float: right;
    width: 870px;
    height: 130px;
    padding: 31px 55px;
    background-color: #f3f7ff;
}

.d_item:first-child .d_right {
    height: 164px;
}

.cs_info,
.js_info {
    float: left;
    width: 435px;
}

.d_title {
    font-size: 19px;
    font-weight: bold;
    padding-left: 7px;
    margin-bottom: 13px;
    border-left: 3px #3978f6 solid;
}

.d_right ul {
    padding-left: 10px;
    line-height: 30px;
}

.group,
.cs_type {
    background-color: #eaeff9;
}

.group ul li {
    float: left;
    width: 30.33%;
    padding-left: 3%;
    background: url("../images/icon_01.png") no-repeat;
    background-size: 16px 16px;
    background-position: 0 7px;
}

.bm_type ul li,
.cs_type ul li {
    width: 97%;
    padding-left: 3%;
    background: url("../images/icon_01.png") no-repeat;
    background-size: 16px 16px;
    background-position: 0 7px;
}

/*日程安排*/
.c_time {
    width: 100%;
    height: 647px;
    padding: 65px 0;
    background: url("../images/time.bg.jpg") no-repeat center;
}

.time_content {
    width: 1200px;
    margin: 0 auto;
    margin-top: 54px;
}

.time_list_1,
.time_list_2 {
    float: left;
    width: 600px;
}

.time_list_2 .time_item {
    width: 200px;
}

.time_item p:nth-child(1) {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

.time_list_1 .time_item:nth-child(1) {
    position: relative;
    top: 55px;
    left: 145px;
}

.time_list_1 .time_item:nth-child(2) {
    position: relative;
    top: 166px;
    left: 114px;
}

.time_list_1 .time_item:nth-child(3) {
    position: relative;
    top: 273px;
    left: 130px;
}

.time_list_2 .time_item:nth-child(1) {
    position: relative;
    top: 53px;
    left: 285px;
}

.time_list_2 .time_item:nth-child(2) {
    position: relative;
    top: 153px;
    left: 302px;
}

.time_list_2 .time_item:nth-child(3) {
    position: relative;
    top: 257px;
    left: 274px;
}

/*奖项设置*/
.c_prize {
    width: 100%;
    padding: 40px 0 80px 0;
    background-color: #ecf0fb;
    background-size: 100% 100%;
}

.prize_content {
    width: 1200px;
    margin: 0 auto;
    margin-top: 54px;
}

.c_title_3 {
    width: 258px;
    height: 82px;
    line-height: 82px;
    padding-left: 99px;
    letter-spacing: 3px;
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    background: url("../images/prize_title_bg.png") no-repeat;
    background-size: 100% 100%;
}

.p_con {
    margin-top: 50px;
}

.p_item {
    float: left;
    width: 260px;
    margin-right: 53px;
    background: url("../images/prize_item.png") no-repeat;
    background-size: 100% 189px;
    background-position-y: bottom;
}

.p_item:last-child {
    margin-right: 0;
}

.p_item p:first-child {
    width: 157px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    border-radius: 10px 10px 0 0;
    margin: 0 auto;
    background-image: linear-gradient(to right bottom, #fb7a44, #fa9a4a);
}

.p_item p:last-child {
    width: 100%;
    padding: 28px 10% 39px 10%;
}

.p_item p span {
    font-size: 18px;
    font-weight: bold;
}

.p_tips {
    width: 100%;
    margin-top: 25px;
    line-height: 36px;
}

.js_con {
    width: 100%;
    margin-top: 43px;
}


/*其他事项*/
.c_other {
    width: 100%;
    padding: 40px 0 80px 0;
    background: url("../images/bg_blue.png") no-repeat;
    background-size: 100% 100%;
}

.c_other .c_title {
    color: #fff;
}

.other_content {
    width: 1200px;
    margin: 0 auto;
    margin-top: 40px;
    line-height: 36px;
    color: #fff;
}

.contact_us {
    width: 100%;
    margin-top: 40px;
}

.contact_us p {
    float: left;
    width: 380px;
    height: 57px;
    color: #333;
    margin-right: 30px;
    line-height: 57px;
    text-align: center;
    font-size: 17px;
    background-color: #fff;
}

.contact_us p:last-child {
    margin-right: 0;
}

.contact_us a {
    color: #333;
}

.modal_bg {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.3);
}

.login_modal {
    display: none;
    position: fixed;
    left: calc((100% - 476px) / 2);
    top: calc((100vh - 459px) / 2);
    z-index: 11;
    width: 476px;
    height: 343px;
    color: #666;
    background-color: #fff;
    border-radius: 10px;
    border: 1px #d8d8d8 solid;
    text-align: center;
    background-image: url("../images/l_bg.png");
    background-size: 111px 111px;
    background-repeat: no-repeat;
    padding-top: 116px;
}

.login_modal p {
    margin-top: 50px;
}

.line_m_1 {
    position: relative;
    bottom: 6px;
    display: inline-block;
    width: 97px;
    height: 1px;
    margin-right: 5px;
    background-image: linear-gradient(to right, #efefef, #c7c8c8);
}

.line_m_2 {
    position: relative;
    bottom: 6px;
    display: inline-block;
    width: 97px;
    height: 1px;
    margin-left: 5px;
    background-image: linear-gradient(to right, #c7c8c8, #efefef);
}

.privacy {
    width: 100%;
    color: #333;
    margin: 15px 0;
    text-align: center;
}

.privacy input {
    margin-right: 5px;
}

.privacy a {
    color: #333;
    text-decoration: underline;
}


.float {
    position: fixed;
    right: 0;
    top: calc((100vh - 270px) / 2);
    width: 107px;
    height: 200px;
    background: url("../images/pc_02.png") no-repeat;
    background-size: 100% 100%;
}

.float_qun,
.f_ewm {
    display: inline-block;
    width: 100px;
    height: 87px;
}