@charset "utf-8";

/* CSS Document */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, SimSun, sans-serif;
    color: #444;
    margin: 0;
    padding: 0;
}

ul li,
li {
    list-style: none;
}

ul,
li,
dl,
dt,
dd,
span,
p,
cite,
em,
i,
h1,
h2,
h3,
h4,
h5,
h6,
b {
    margin: 0px;
    padding: 0px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

cite,
em,
i {
    font-style: normal;
}

a {
    color: #7f7f7f;
    text-decoration: none;
    outline: none;
}

a:hover {
    text-decoration: none;
}

a:hover,
a:active,
input,
 :focus {
    outline: none;
}

a,
button,
input,
i {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -moz-tap-highlight-color: rgba(0, 0, 0, 0);
    -ms-tap-highlight-color: rgba(0, 0, 0, 0);
    tap-highlight-color: rgba(0, 0, 0, 0);
}

img {
    border: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clear {
    clear: both;
}

.clearfix {
    overflow: hidden;
    clear: both;
    width: 0;
}

.clearfix:after {
    content: "";
    display: block;
    clear: both;
}

.container {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
}


/* 向下滚动图标 */

.css-scroll-down {
    position: fixed;
    bottom: 30px;
    left: 50%;
    margin-left: -25px;
    z-index: 9999;
}

.scroll-down {
    width: 50px;
    height: 50px;
    border-radius: 100%;
    border: 2px solid #fff;
    font-size: 30px;
    overflow: hidden;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 15px rgba(117, 50, 176, 0.6);
    background-color: #c450ce;
}

.scroll-down i {
    color: #fff;
    animation: scrollDown 1.5s ease infinite;
}

.fa-angle-down:before {
    content: "";
    width: 20px;
    height: 12px;
    background: url(../images/slidedown_icon.png) no-repeat top center/cover;
    display: inline-block;
}

@keyframes scrollDown {
    0% {
        transform: translateY(-15px);
        opacity: 0;
    }
    50% {
        transform: translateY(0px);
        opacity: 1;
    }
    100% {
        transform: translateY(15px);
        opacity: 0;
    }
}


/* 三月上传活动 */

.march-activity {
    background: url(../images/march/bg.jpg) no-repeat top center/cover;
    height: 2514px;
}

.logo-box {
    text-align: center;
    padding-top: 116px;
}

.title-box {
    text-align: center;
}

.title-box h1 {
    font-size: 62px;
    color: #fff;
    font-weight: bold;
    line-height: 124px;
    padding-top: 22px;
    letter-spacing: 2px;
}

.title-box p {
    font-size: 40px;
    color: #fff;
    line-height: 80px;
    letter-spacing: 2px;
}

.s-title {
    height: 100px;
    position: relative;
}

.box02 {
    padding-top: 150px;
}

.s-title h3 {
    line-height: 100px;
    color: #fff;
    font-size: 62px;
    font-weight: bold;
    text-align: center;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    letter-spacing: 2px;
}

.s-title h3::before,
.s-title h3::after {
    content: '';
    width: 120px;
    height: 2px;
    background-color: #fff;
}

.s-title h3::before {
    margin-right: 38px;
}

.s-title h3::after {
    margin-left: 38px;
}

.prize-box {
    margin-top: 30px;
}

.prize-box a {
    display: flex;
}

.prize-box a img:nth-child(1) {
    display: block;
}

.prize-box a img:nth-child(2) {
    display: none;
}

.box03 {
    margin-top: 130px;
}

.rule-box {
    margin-top: 54px;
}

.rule-box h4,
.rule-box p {
    color: #fff;
}

.rule-box h4 {
    font-size: 34px;
    line-height: 54px;
    letter-spacing: 2px;
}

.rule-box p {
    font-size: 26px;
    line-height: 48px;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

@media (max-width: 1440px) {
    .march-activity {
        background: url(../images/march/bg_1440.jpg) no-repeat top center/cover;
    }
}

@media (max-width: 500px) {
    .march-activity {
        background: url(../images/march/bg_500.jpg) no-repeat top center/cover;
        height: 1800px;
    }
    .container {
        width: auto;
        padding: 0 20px;
    }
    .prize-box a {
        width: 100%;
    }
    .prize-box a img {
        width: 100%;
    }
    .logo-box {
        width: 150px;
        margin: 0 auto;
        padding-top: 40px;
    }
    .logo-box img {
        width: 100%;
    }
    .title-box h1 {
        font-size: 26px;
        line-height: 1.5;
        letter-spacing: 0;
        margin-bottom: 30px;
    }
    .title-box h1 span {
        font-size: 48px;
        display: block;
        line-height: 1.5;
        letter-spacing: 2px;
    }
    .title-box p {
        font-size: 20px;
        letter-spacing: 0;
        line-height: 1.5;
    }
    .s-title {
        height: 60px;
    }
    .s-title h3 {
        font-size: 30px;
        line-height: 60px;
    }
    .s-title h3::before,
    .s-title h3::after {
        width: 60px;
    }
    .box02 {
        padding-top: 50px;
    }
    .s-title h3::before {
        margin-right: 15px;
    }
    .s-title h3::after {
        margin-left: 15px;
    }
    .prize-box a img:nth-child(2) {
        display: block;
    }
    .prize-box a img:nth-child(1) {
        display: none;
    }
    .box03 {
        margin-top: 50px;
    }
    .rule-box {
        margin-top: 30px;
    }
    .rule-box h4 {
        font-size: 22px;
        letter-spacing: 0;
        line-height: 1.5;
    }
    .rule-box p {
        font-size: 16px;
        line-height: 1.5;
        letter-spacing: 0;
        margin-bottom: 15px;
    }
}


/* 三月上传活动 */


/* 四月电子元器件活动 */

.pc {
    display: block;
}

.mo {
    display: none;
}

.april-activity {
    background: url(../images/april/bg.jpg) no-repeat top center/cover;
}

.april-activity .title-box {
    padding-top: 113px;
}

.title-box img {
    max-width: 100%;
}

.activity-infor p {
    text-align: center;
    font-size: 40px;
    color: #fff;
    line-height: 72px;
}

.april-box02 {
    margin-top: 68px;
}

.rules-box {
    position: relative;
}

.rules-box img {
    max-width: 100%;
}

.rules-box a {
    position: absolute;
    display: block;
    width: 182px;
    height: 56px;
    background-color: #3131de;
    color: #fff831;
    text-align: center;
    line-height: 56px;
    left: 50%;
    margin-left: -91px;
    bottom: 104px;
    font-size: 28px;
    border-radius: 5px;
    animation: scaleDrew 2.5s ease-in-out infinite;
}

@keyframes scaleDrew {
    0% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.05);
    }
    50% {
        transform: scale(1);
    }
    75% {
        transform: scale(1.05);
    }
}

.april-box03 {
    margin-top: 82px;
}

.april-box03 .att-title img {
    display: block;
    margin: auto;
    max-width: 100%;
}

.april-box03 .att-infor p {
    font-size: 28px;
    color: #fff;
    line-height: 48px;
}

.att-infor {
    width: 1100px;
    margin: 46px auto 0;
    padding-bottom: 126px;
    letter-spacing: 1px;
}

.april-scroll-down .scroll-down {
    background-color: #3131de;
}

@media (max-width: 500px) {
    .pc {
        display: none;
    }
    .mo {
        display: block;
    }
    .april-activity {
        min-height: 100vh;
    }
    .april-scroll-down {
        display: none;
    }
    .april-activity .title-box {
        padding-top: 70px;
    }
    .activity-infor p {
        font-size: 20px;
        line-height: 36px;
    }
    .april-box02 {
        margin-top: 40px;
    }
    .rules-box a {
        bottom: 30px;
        margin-left: -45px;
        width: 90px;
        height: 30px;
        font-size: 14px;
        line-height: 30px;
    }
    .att-infor {
        width: 100%;
        margin-top: 30px;
        padding-bottom: 60px;
        letter-spacing: 0;
    }
    .april-box03 .att-infor p {
        font-size: 16px;
        line-height: 30px;
    }
    .april-box03 {
        margin-top: 40px;
    }
}


/* 四月电子元器件活动 */


/* 四月上传活动 */

.au-activity {
    background: url(../images/april/bg_au.jpg) no-repeat top center;
}

.au-box01 .title-box {
    padding-top: 297px;
    padding-bottom: 105px;
}

.top-case ul li,
.bottom-case ul li {
    text-align: center;
}

.top-case {
    background-color: #fff;
    border-top-left-radius: 50px;
    border-top-right-radius: 50px;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    -webkit-box-shadow: inset 0 15px 15px rgba(144, 48, 235, 0.24);
    -moz-box-shadow: inset 0 15px 15px rgba(144, 48, 235, 0.24);
    -ms-box-shadow: inset 0 15px 15px rgba(144, 48, 235, 0.24);
    box-shadow: inset 0 15px 15px rgba(144, 48, 235, 0.24);
    position: relative;
    margin-bottom: 2px;
}

.bottom-case {
    background-color: #fff;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    -webkit-box-shadow: inset 0 -15px 15px rgba(144, 48, 235, 0.24), 0 13px 27px rgba(59, 54, 219, 0.4);
    -moz-box-shadow: inset 0 -15px 15px rgba(144, 48, 235, 0.24), 0 13px 27px rgba(59, 54, 219, 0.4);
    -ms-box-shadow: inset 0 -15px 15px rgba(144, 48, 235, 0.24), 0 13px 27px rgba(59, 54, 219, 0.4);
    box-shadow: inset 0 -15px 15px rgba(144, 48, 235, 0.24), 0 13px 27px rgba(59, 54, 219, 0.4);
    position: relative;
    padding-bottom: 50px;
}

.au-box02 ul li h3 {
    font-size: 52px;
    color: #512ae5;
    line-height: 82px;
    font-weight: bold;
    margin-bottom: 5px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.au-box02 ul li h3::before,
.au-box02 ul li h3::after {
    content: '';
    width: 50px;
    height: 6px;
    background-color: #512ae5;
}

.au-box02 ul li h3::before {
    margin-right: 30px;
}

.au-box02 ul li h3::after {
    margin-left: 30px;
}

.au-box02 ul {
    padding: 54px 100px 104px;
}

.au-box02 ul li {
    margin-bottom: 30px;
}

.au-box02 ul li:last-child {
    margin-bottom: 0;
}

.au-box02 ul li p {
    font-size: 34px;
    color: #666;
    letter-spacing: 1px;
    line-height: 54px;
}

.au-box02 ul li p span {
    color: #be38ff;
}

.top-case::after,
.bottom-case::after {
    content: '';
    background: url(../images/april/lianjie.png) no-repeat top center/100% 100%;
    width: 44px;
    height: 172px;
    display: block;
    position: absolute;
    z-index: 2;
}

.top-case::after {
    bottom: -85px;
    left: 100px;
}

.bottom-case::after {
    right: 100px;
    top: -85px;
}

.top-case::before {
    content: '';
    width: 134px;
    height: 145px;
    display: block;
    background: url(../images/april/qiqiu.png) no-repeat top center/100% 100%;
    position: absolute;
    top: 150px;
    right: -94px;
}

.bottom-case::before {
    content: '';
    display: block;
    width: 219px;
    height: 202px;
    position: absolute;
    top: 105px;
    left: 87px;
    background: url(../images/april/zs_icon01.png) no-repeat top center/100% 100%;
}

a.upload-btn {
    width: 190px;
    height: 55px;
    display: block;
    border-radius: 55px;
    color: #fff;
    font-size: 28px;
    text-align: center;
    line-height: 55px;
    margin: 0 auto;
    background-image: -webkit-linear-gradient(to top, #c55afe, #e666fb);
    background-image: -moz-linear-gradient(to top, #c55afe, #e666fb);
    background-image: -o-linear-gradient(to top, #c55afe, #e666fb);
    background-image: linear-gradient(to top, #c55afe, #e666fb);
}

.bottom-case ul {
    padding-bottom: 10px;
}

.au-box03 {
    margin-top: 80px;
    padding-bottom: 140px;
}

.zysx h3 {
    font-size: 46px;
    font-weight: bold;
    color: #fff;
    line-height: 72px;
    text-shadow: 0 0 9px rgba(59, 54, 219, 0.4);
}

.zysx p {
    font-size: 34px;
    text-shadow: 0 0 9px rgba(59, 54, 219, 0.4);
    color: #fff;
    line-height: 54px;
}

@media (max-width: 500px) {
    .au-box01 .title-box {
        padding-top: 40px;
        padding-bottom: 30px;
    }
    .top-case {
        border-top-left-radius: 30px;
        border-top-right-radius: 30px;
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
    }
    .bottom-case {
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
        border-bottom-left-radius: 30px;
        border-bottom-right-radius: 30px;
        padding-bottom: 30px;
    }
    .au-box02 ul {
        padding: 20px;
    }
    .au-box02 ul li h3 {
        font-size: 28px;
        line-height: 50px;
        margin-bottom: 0;
    }
    .au-box02 ul li p {
        font-size: 18px;
        letter-spacing: 0;
        line-height: 30px;
    }
    .au-box02 ul li h3::before,
    .au-box02 ul li h3::after {
        width: 40px;
        height: 4px;
    }
    .au-box02 ul li h3::before {
        margin-right: 10px;
    }
    .au-box02 ul li h3::after {
        margin-left: 10px;
    }
    .au-box02 ul li {
        margin-bottom: 12px;
    }
    .top-case::before {
        width: 67px;
        height: 72px;
        right: -18px;
        top: 70px;
        transform: rotate(180deg);
    }
    .top-case::after,
    .bottom-case::after {
        width: 22px;
        height: 86px;
    }
    .top-case::after {
        left: 30px;
        bottom: -42px;
    }
    .bottom-case::after {
        right: 30px;
        top: -44px;
    }
    .bottom-case::before {
        width: 87px;
        height: 80px;
        left: -15px;
        top: 55px;
    }
    a.upload-btn {
        width: 130px;
        height: 40px;
        line-height: 40px;
        font-size: 18px;
        border-radius: 40px;
    }
    .au-box03 {
        margin-top: 30px;
        padding-bottom: 70px;
    }
    .zysx h3 {
        font-size: 28px;
        line-height: 50px;
    }
    .zysx p {
        font-size: 18px;
        line-height: 30px;
    }
    .au-activity {
        background-size: cover;
    }
}


/* 四月上传活动 */


/* 五月上传活动 */

.may-activity {
    background: url(../images/may/bg_au.jpg) no-repeat top center;
}


/* 五月上传活动 */


/* 七月上传活动 */

.july-activity {
    background: url(../images/july/bg_au.jpg) no-repeat top center;
}

.july-activity .au-box02 ul li h3 {
    color: #1f53da;
}

.july-activity .au-box02 ul li h3::before,
.july-activity .au-box02 ul li h3::after {
    background-color: #1f53da;
}

.july-activity .top-case {
    -webkit-box-shadow: inset 0 15px 15px rgba(25, 52, 181, 24%);
    -moz-box-shadow: inset 0 15px 15px rgba(25, 52, 181, 24%);
    -ms-box-shadow: inset 0 15px 15px rgba(25, 52, 181, 24%);
    box-shadow: inset 0 15px 15px rgba(25, 52, 181, 24%);
}

.july-activity .bottom-case {
    -webkit-box-shadow: inset 0 -15px 15px rgba(25, 52, 181, 24%), 0 13px 27px rgb(59 54 219 / 40%);
    -moz-box-shadow: inset 0 -15px 15px rgba(25, 52, 181, 24%), 0 13px 27px rgba(59, 54, 219, 0.4);
    -ms-box-shadow: inset 0 -15px 15px rgba(25, 52, 181, 24%), 0 13px 27px rgba(59, 54, 219, 0.4);
    box-shadow: inset 0 -15px 15px rgba(25, 52, 181, 24%), 0 13px 27px rgb(59 54 219 / 40%);
}


/* 七月上传活动 */


/* 八月上传活动 */

.august-activity {
    background: url(../images/august/bg_au.jpg) no-repeat top center;
}

.august-activity .au-box01 .title-box {
    padding-top: 170px;
}

@media (max-width: 500px) {
    .august-activity .au-box01 .title-box {
        padding-top: 40px;
    }
}


/* 八月上传活动 */


/* 九月上传活动 */

.sept-activity {
    background: url(../images/sept/bg_sept.jpg) no-repeat top center;
}

.sept-activity .au-box01 .title-box {
    padding-top: 170px;
}

@media (max-width: 500px) {
    .sept-activity .au-box01 .title-box {
        padding-top: 40px;
    }
}


/* 九月上传活动 */
/* 十月上传活动 */
.oct-activity {
    background: url(../images/oct/bg_oct.jpg) no-repeat top center;
}

.oct-activity .au-box01 .title-box {
    padding-top: 170px;
}

@media (max-width: 500px) {
    .oct-activity .au-box01 .title-box {
        padding-top: 40px;
    }
}
/* 十月上传活动 */

/* 十一月上传活动 */
.nov-activity {
    background: url(../images/nov/bg_nov.jpg) no-repeat top center;
}

.nov-activity .au-box01 .title-box {
    padding-top: 170px;
}
/* 十一月上传活动 */

/* 十二月上传活动 */
.nov-activity {
    background: url(../images/dec/bg_dec.jpg) no-repeat top center;
}

.nov-activity .au-box01 .title-box {
    padding-top: 170px;
}
/* 十二月上传活动 */

@media (max-width: 500px) {
    .nov-activity .au-box01 .title-box {
        padding-top: 40px;
    }
}
/* 十一月上传活动 */
/* ————————————————————————————————移动端———————————————————————————————— */


/**/