div,
span,
p,
a,
input,
button,
select,
textarea,
ul,
li,
ol,
dl,
dt,
dd,
table,
th,
td,
form,
fieldset,
legend,
img,
iframe {
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
}

input, textarea, select {
    outline: none;
}

body {
    min-width: 1200px;
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: "Microsoft Yahei", "微软雅黑", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
    font-size: 14px;
    line-height: 1.42857143;
    color: #333;
    background-color: #fff;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

img {
    width: 100%;
}

a {
    text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: inherit;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
}

h1 {
    font-size: 36px;
}

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

ul li {
    list-style: none;
}

/* header */
.header {
    height: 80px;
    width: 1200px;
    overflow: hidden;
    position: absolute;
    top: 0;
    z-index: 100;
}

.header .logo {
    float: left;
    font-size: 20px;
    padding: 26px 0 26px 40px;
    position: relative;
    color: #ffffff;
}

.header .logo img {
    width: 30px;
    height: 30px;
    position: absolute;
    left: 0;
    top: 25px;
}

.header .nav {
    float: right;
    font-size: 20px;
    color: #ffffff;
    padding: 26px 0;
}

.header .nav .nav-item {
    font-weight: 400;
    margin-right: 60px;
    color: #ffffff;
}

.header .nav .nav-item:last-child {
    margin-right: 0;
}

.header .nav .nav-item.active {
    font-weight: bold;
    position: relative;
}

.header .nav .nav-item.active:after {
    content: "";
    position: absolute;
    width: 30px;
    height: 4px;
    background: #ffffff;
    border-radius: 10px;
    top: 48px;
    left: 50%;
    transform: translateX(-50%);
}

/* banner */
.banner {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.banner img {
    width: 100%;
    height: 100%;
}

/* category box*/
.category-box {
    overflow: hidden;
    height: 1100px;
    padding-top: 100px;
}

.category-box .phone {
    width: 450px;
    height: 900px;
    overflow: hidden;
    float: left;
    position: relative;
}

.category-box .phone .page {
    background: no-repeat top center;
    position: absolute;
    background-size: 100%;
    width: 390px;
    height: 855px;
    margin: 0 auto;
    top: 20px;
    left: 30px;
    z-index: -1;
}

.category-box .category {
    float: left;
    margin-left: 190px;
    padding-top: 65px;
    width: 560px;
    overflow: hidden;
}

.category-box .category .category-item {
    height: 140px;
    width: 180px;
    margin-right: 200px;
    text-align: center;
    margin-bottom: 70px;
    float: left;
    cursor: pointer;
}

.category-box .category .category-item:hover {
    color: #fe3134;
}

.category-box .category .category-item:nth-of-type(2n) {
    margin-right: 0;
}

.category-box .category .category-item .item-img {
    width: 60px;
    height: 60px;
    border-radius: 20px;
    margin: 0 auto;
    margin-bottom: 20px;
}

.category-box .category .category-item .item-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

/*about-us*/
.about-us {
    width: 100%;
    height: 840px;
    background: url(./about-bg.png) no-repeat right bottom;
    background-color: #fafafa;
}

.about-us .about-title {
    padding-top: 100px;
    overflow: hidden;
    margin-bottom: 40px;
}

.about-us .about-title .title {
    font-size: 30px;
    font-weight: bold;
    color: #000000;
    padding-left: 50px;
    background: url("./logo.png") no-repeat;
    background-size: 40px 40px;
    margin-right: 70px;
}

.about-us .about-title .english {
    color: #fe3134;
    letter-spacing: 50px;
    vertical-align: bottom;
    padding-top: 17px;
}

.about-us .info {
    width: 800px;
    text-indent: 2rem;
    line-height: 28px;
    margin-bottom: 60px;
}

.about-us .about-item {
    margin-bottom: 30px;
    font-size: 14px;
    line-height: 28px;
}

.about-us .about-item .title {
    color: #fe3134;
    padding-left: 26px;
    background: url(./platform.png) no-repeat left center;
    background-size: 16px 16px;
}

.about-us .about-item .title.major {
    background: url(./major.png) no-repeat left center;
}

.about-us .about-item .title.business {
    background: url(./yewu.png) no-repeat left center;
}

.about-us .about-item .text {
    width: 460px;
}

/* 验证 */
.code {
    background: url("./code-back.png") no-repeat left top;
    background-size: 1195px 890px;
    padding-top: 100px;
    height: 890px;
}

.code-back {
    width: 1000px;
    padding-left: 40px;
    padding-right: 40px;
    padding-top: 30px;
    background: #ffffff;
    box-shadow: 10px 10px 20px 1px rgba(0, 0, 0, 0.1);
    border-radius: 20px 20px 20px 20px;
    margin: 0 auto;
}

.code-title {
    font-size: 30px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: bold;
    color: #000000;
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}
.code-title:before {
    content: "";
    position: absolute;
    height: 10px;
    left: -40px;
    top: 70px;
    width: 1000px;
    background: #FE3134;
}
.code-title:after {
    content: "";
    height: 2px;
    left: -40px;
    top: 82px;
    width: 1000px;
    position: absolute;
    background: #FE3134;
}

.f-name {
    width: 450px;
}
.u-input {
    outline: none;
    background: #fafafa !important;
    padding: 20px 40px;
    border-radius: 10px;
    width: 100%;
    font-size: 14px;
    box-sizing: border-box;
}

.getCode {
    width: 120px;
    height: 56px;
    background: #fe3134;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 400;
    color: #ffffff;
    text-align: center;
    line-height: 60px;
    margin-left: 10px;
    cursor: pointer;
}

.f-name2 {
    width: 920px;
    height: 200px;
    padding: 20px 40px;
    background: #fafafa;
    border-radius: 10px;
    margin-bottom: 20px;
}

.c-l-imgs {
    display: flex;
    flex-direction: row;
    align-items: center;
}

/* 联系我们 */
.contact {
    overflow: hidden;
    margin-top: 100px;
}
.contact .contact-us {
    width: 587px;
    overflow: hidden;
    position: relative;
    margin-bottom: 50px;
}
.contact .contact-us:after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 2px;
    height: 424px;
    background: linear-gradient(180deg, rgba(254,49,52,0) 0%, #FE3134 49%, rgba(254,49,52,0) 100%);
    border-radius: 0px 0px 0px 0px;
    opacity: 1;
}
.contact .contact-us .title {
    width: 496px;
    height: 80px;
    font-size: 70px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: bold;
    color: #FE3134;
    letter-spacing: 3px;
}
.contact .contact-us .sub-text {
    margin: 30px 0 36px 0;
    font-weight: bold;
    font-size: 30px;
    color: #FE3134;
}
.contact .contact-us .img-list {
    overflow: hidden;
}
.img-list .img-item {
    width: 200px;
    height: 200px;
    background: url("/static/call-back.png") no-repeat center center;
    background-size: 200px 200px;
    padding: 20px;
    margin-right: 60px;
}
.img-list .img-item:nth-of-type(2n) {
    margin-right: 0;
}
.information {
    width: 600px;
    padding-left: 80px;
}
.information .info-item {
    margin-bottom: 60px;
    overflow: hidden;
}
.information .info-item:last-child {
    margin-bottom: 20px;
}
.information .info-item .icon {
    float: left;
    width: 60px;
    height: 60px;
}
.information .info-item .info {
    width: 100%;
    padding-left: 90px;
    box-sizing: border-box;
}
.information .info-item .info .title {
    width: 120px;
    font-size: 25px;
    line-height: 28px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 20px;
}
.information .info-item .info .text {
    font-size: 14px;
    font-weight: 400;
    color: #000000;
    line-height: 20px;
}
.information .info-item:first-child .info .text {
    width: 433px;
    font-size: 50px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: bold;
    color: #000000;
    line-height: 60px;
}

    /*底部*/
.footer {
    width: 100%;
    height: 88px;
    background: #202020;
    color: #ffffff;
    text-align: center;
    line-height: 88px;
}

.footer-img {
    width: 100%;
    height: 160px;
    background: url("./footer-img.png");
}
.submit {
    width: 100%;
    text-align: center;
}
.submit button {
    width: 300px;
    height: 60px;
    background: #FE3134;
    border-radius: 10px;
    color: #ffffff;
    margin-bottom: 60px;
    font-size: 18px;
    cursor: pointer;
}