:root {
    --mainColor1: #6337e2;
    --mainColor2: #2f84f1;
    --mainColor3: #55cefe;
}

.padd-left {
    padding-left: 105px;
}

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

.flex-wrap {
    flex-wrap: wrap;

}

.overhidden {
    overflow: hidden;
}

.align-center {
    align-items: center;
}


.wrapper {
    width: 1090px;
    max-width: 1090px;
    margin: 0 auto;
}

.sec-block {
    height: 270px;
    display: block;
}

/* 渐变颜色 */
.gradient-color-tree {
    background-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3));
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-color-two {
    background-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2));
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 渐变背景 */
.gradient-bg {
    background: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3));
}

/* 渐变边框 */
.gradient-border {
    border: 2px solid;
    border-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3)) 2;
}


/* header */
.header {
    box-sizing: border-box;
    z-index: 999;
    padding: 18px 0;
    display: flex;
    justify-content: space-between;
    position: absolute;
    width: 100%;
    top: 30px;
    z-index: 9999;
}

.header-fixed {
    position: sticky;
    top: 0;
}

.logo {
    height: 44px;
    display: block;
}

.menu-btn {
    display: none;
}

.menu-btn p {
    margin-top: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #999;
    /* border-radius: 4px; */
    /* background: linear-gradient(to left, var(--mainColor1), var(--mainColor2), var(--mainColor3)); */
}

.banner-img {
    width: 100%;
    min-height: 400px;
    object-fit: cover;
}

/* nav */
.nav-container {
    display: flex;
}

.menu-close {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 32px;
    height: 32px;
    display: none;
}

.menu-close span {
    display: inline-block;
    position: absolute;
    left: 0;
    top: 15px;
    width: 100%;
    height: 3px;
    background-color: #999;
}

.menu-close span:first-child {
    transform: rotate(45deg);
}

.menu-close span:last-child {
    transform: rotate(-45deg);
}

.nav {
    display: flex;
    font-size: 22px;
}

.nav li {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 3em;
    position: relative;
    overflow: hidden;
}

.nav a {
    color: #fff;
    display: block;
    /* padding-top: 2px; */
    /* border-bottom: 2px solid transparent; */
    padding: 5px 0;
}

.nav li::after {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 2px;
    transition: .2s;
    bottom: 0;
    left: -100%;
    border-bottom: 2px solid;
    border-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3)) 2;
}

.nav li:hover::after {
    left: 0;
}

.light-bg {
    background: url(../images/light_bg.jpg) center top repeat;
    background-size: 100% 100%;
}

.dark-bg {
    position: relative;
    background-color: #000;
    background-image: url(../images/back_top.jpg), url(../images/back_bottom.jpg);
    background-position: top right, bottom left;
    background-repeat: no-repeat, no-repeat;
    background-size: 100% auto, 100% auto;
}


.comm-title {
    color: #fff;
    padding-bottom: 70px;
}

.comm-title h1 {
    font-weight: bold;
    font-size: 50px;
    letter-spacing: 5px;
}

.comm-title p {
    margin-top: .5em;
    font-weight: lighter;
    font-size: 24px;
    line-height: 2;
    letter-spacing: 20px;
    font-smoothing: antialiased;
    /* -webkit-font-smoothing: subpixel-antialiased; */
    -webkit-font-smoothing: antialiased;
    /* -moz-osx-font-smoothing: grayscale; */
    /* -moz-font-feature-settings: "liga" on; */
}

.comm-title-line {
    height: 2px;
    width: 100%;
    display: block;
    background-color: #fff;
}

.title-more {
    display: inline-block;
    margin-top: 10px;
    line-height: 2;
    padding: 0 2em;
    font-size: 16px;
    border: 1px #fff solid;
}

.title-more b {
    color: #fff;
    font-style: normal;
}

.title-more:hover {
    border: 1px solid;
    border-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3)) 1;
}

.title-more:hover b {
    background-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3));
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* banner */
.banner-sec {
    position: relative;
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
    height: 100vh;
    padding: 0 60px;
    box-sizing: border-box;
}

.banner-text {
    position: relative;
    z-index: 99;
    text-align: center;
    margin-top: 90px;
}

.banner-line {
    width: 90px;
    margin-top: 80px;
    margin-left: auto;
    margin-right: auto;
    border-bottom: 1px #fff solid;
    transform: scaleY(.3);
}

.banner-text h1 {
    /* font-size: 72px; */
    font-size: 3.7vw;
}

.banner-text h2 {
    margin-top: 65px;
    font-weight: lighter;
    font-size: 2vw;
}

.banner-video {
    width: 100%;
    /* height: 100%; */
    position: absolute;
    right: 0;
    display: block;
    bottom: 0;
}

.banner-m-video {
    display: none;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
}

/* about */
.about-text {
    padding-top: 20px;
    color: #fff;
    line-height: 1.8;
    font-size: 18px;
    text-align: justify;
    font-weight: lighter;
}


/* tec */
.teclist {
    display: flex;
    color: #fff;
    letter-spacing: normal;
    /* font-weight: lighter; */
    margin: 0px -30px 0 -30px;
    justify-content: space-between;
}

.teclist li {
    flex-basis: 33.3%;
    margin: 0 30px;
    border: 2px #fff solid;
    border-radius: 10px;
    padding: 30px;
    transition: .3s;
    text-align: center;
}

.tec-icon-box {
    width: 210px;
    margin: 30px auto;
    height: 210px;
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.tec-img,
.tec-img-hover {
    max-width: 100%;
    max-height: 100%;
}

.tec-img-hover {
    display: none;
}

.tec-title {
    font-size: 24px;
    display: inline-block;
    margin-top: 28px;
}

.tec-desc {
    font-size: 18px;
    line-height: 1.6;
    margin-top: 1.5em;
    font-weight: lighter;
    font-weight: lighter;
}

.tec-line {
    width: 2.5em;
    height: 1px;
    background: #fff9;
    margin-top: 1.5em;
    margin-left: auto;
    margin-right: auto;
}


.teclist li:hover {
    background-color: #fff;
}

.teclist li:hover .tec-img {
    display: none;
}

.teclist li:hover .tec-img-hover {
    display: block;
}

.teclist li:hover .tec-title {
    background-image: linear-gradient(to right, #6337e2, #0467ee);
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.teclist li:hover .tec-desc {
    font-weight: bold;
    background-image: linear-gradient(to right, #6337e2, #55cefe);
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.teclist li:hover .tec-line {
    height: 1px;
    background: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3));
}

/* 新闻中心 */
.news-top {
    margin-top: 75px;
    display: flex;
    justify-content: space-between;
}

.news-top-line {
    width: 35px;
    height: 1px;
    background-color: #fff9;
    margin-top: 25px
}

.news-top-aside {
    color: #fff;
    box-sizing: border-box;
    padding-right: 64px;
    width: 30%;
}

.news-top-aside h3 {
    font-size: 32px;
}

.news-top-aside p {
    margin-top: 22px;
    font-size: 26px;
    line-height: 1.2;
    font-weight: lighter;
    color: #fffe;
}

.news-top-img {
    /* flex-shrink: 0; */
    width: -webkit-calc(70% - 7px);
    width: -moz-calc(70% - 7px);
    width: calc(70% - 7px);
    overflow: hidden;
    box-shadow: -10px 20px 40px #0006;
}

.news-top-img img {
    transition: .2s;
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.news-top-img:hover img {
    transform: scale(1.05);
}

.news-top-more {
    margin-top: 45px;
    display: inline-block;
    padding: 0 35px;
    color: #fff;
    line-height: 2;
    border: 2px #fff solid;
}

.news-top-more:hover,
.news-top-more:active {
    box-shadow: -10px 20px 40px #0006;
    border: 1px solid;
    border-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3)) 1;
    background-color: #fff;
}

.news-top-more:hover b,
.news-top-more:active b {
    background-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3));
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.news-hidden {
    overflow: hidden;
}

.news {
    display: flex;
    flex-wrap: wrap;
    margin: 32px -32px auto -32px;
}

.news li {
    width: 33.33%;
    margin-top: 35px;
    line-height: 1.6;
}

.news li a {
    display: block;
    margin: 0 32px;
    color: #fff;
}

.news-imgbox {
    overflow: hidden;
}

.news-imgbox img {
    transition: .2s;
    width: 100%;
}

.news li:hover .news-imgbox,
.news li:active .news-imgbox {
    box-shadow: 0 0 20px rgba(0, 0, 0, .4);
}

.news li:hover img,
.news li:active img {
    transform: scale(1.1);
}

.news-title {
    font-size: 21px;
    padding: 15px 0;
}

.news-desc {
    padding: 15px 0 0 0;
    font-size: 18px;
    line-height: 28px;
    font-weight: lighter;
    border-top: 1px #fff9 solid;
}

/* 加入我们 */
.join {
    color: #fff;
}

.join main {
    padding-top: 40px;
    padding-bottom: 50px;
}

.join-title {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
}

.join-title h2 {
    font-size: 32px;
    display: inline-block;
}

.join-title h3 {
    display: inline-block;
    font-size: 24px;
    font-weight: lighter;
}


.join-items {
    display: none;
}

.join-item-title {
    margin-top: 50px;
    display: inline-block;
}

.join-item-text {
    padding: 5px 0 0 0;
    font-size: 18px;
    line-height: 2;
}


/* 获取方案 */
.project-sec {
    position: relative;
    z-index: 99
}

.scheme-title-bar {
    display: flex;
    justify-content: space-between;
}

.scheme-title-bar .comm-title {
    width: 40%;
    margin-right: 20px;
    flex-shrink: 0;
}

.scheme-title-bar .title-more {
    margin-top: 40px;
}

.scheme-title-img {
    overflow: hidden;
}

.scheme-title-img img {
    width: 100%;
    transition: .2s;
}

.scheme-title-img:hover img,
.scheme-title-img:active img {
    transform: scale(1.05);
}

.scheme {
    display: none;
    padding: 50px;
}

.form-items {
    display: flex;
    justify-content: space-between;
    color: #4336e6;
    flex-wrap: wrap;
}

.form-items li {
    position: relative;
    box-sizing: border-box;
    display: flex;
    height: 54px;
    margin-bottom: 50px;
    padding: 0 20px;
    width: -webkit-calc(50% - 25px);
    width: -moz-calc(50% - 25px);
    width: calc(50%-25px);
    background-color: #fff;
    align-items: center;
}

.form-items li.full {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}

.form-items .input {
    flex-grow: 1;
    border: none;
    color: #333;
}

.form-items .input:focus {
    outline: none;
    background-color: #f1f1f1;
}

::-webkit-input-placeholder {
    color: var(--mainColor1);
}

:-ms-input-placeholder {
    color: var(--mainColor1);
}

::placeholder {
    color: var(--mainColor1);
}

.form-foot {
    color: #fff;
}

.form-foot a {
    color: #4336e6;
}

.form-btn {
    margin-bottom: 10px;
    display: inline-block;
    background-color: #fff;
    padding: 0 50px;
    line-height: 34px;
    flex-grow: 1;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-agree {
    font-size: 12px;
    margin-right: 20px;
    margin-bottom: 10px;
    align-items: center;
}

.form-check {
    -webkit-appearance: none;
    /* 去除默认样式 */
    -moz-appearance: none;
    -ms-appearance: none;
    appearance: none;
    outline: none;
    /* 移除点击时的边框效果 */
    cursor: pointer;
    /* 光标指向手型 */
    margin-right: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px #fff solid;
    position: relative;
}

.form-check:checked {
    background-color: var(--mainColor1)
}

.form-check:checked::after {
    position: absolute;
    left: 5px;
    top: 5px;
    content: "";
    width: 6px;
    height: 6px;
    display: block;
    border-radius: 50%;
    background-color: #fff;
}


.footer {
    padding: 160px 0 150px 0;
    color: #fff;
}

.foot-contact {
    padding: 80px 0;
    /* flex-wrap: wrap; */
}

.foot-address {
    flex-wrap: wrap;
}

.foot-address li {
    font-style: normal;
    font-weight: lighter;
    margin-bottom: 35px;
    word-break: break-all;
    display: flex;
    align-items: center;
}

.foot-address li img {
    margin-right: 8px;
}

.foot-address h3 {
    flex-shrink: 0;
    line-height: 1;
    font-size: 24px;
    margin-right: 45px;
    margin-bottom: 20px;
}

.foot-qr {
    align-items: flex-start;
}

.foot-qr h3 {
    flex-shrink: 0;
    line-height: 1;
    font-size: 24px;
    margin-right: 45px;
    margin-bottom: 20px;
}

.footer copyright {
    border-top: 1px #fff9 solid;
    align-items: flex-end;
    padding: 8px 0;
    font-size: 16px;
    font-weight: lighter;
    flex-wrap: wrap;
}
.footer copyright a {
    color: #fff;
}

.foot-logo img {
    height: 70px;
}

.black-board {
    font-size: 16px;
    line-height: 2;
    padding: 2em 0;
    color: #eee;
}

.black-board h3 {
    font-size: 16px;
    margin: 1em 0;
}

.black-board h2 {
    font-size: 18px;
    margin: 1em 0;
    text-indent: 2em;
}

.black-board p {
    text-indent: 2em;
    font-weight: lighter;
    text-align: justify;
}

.indent {
    margin-left: 2em;
}

.indent p {
    text-indent: 0;
}

.black-board li {

    list-style-type: disc;
    list-style-position: inside;
}

.pop-container {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
}
.pop-container.active {
    display: flex;
}
.pop-msg {
    background-color: #000c;
    padding: 2em;
    min-width: 100px;
    min-height: 50px;
    border-radius: 10px;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 
 * 尺寸
 */
@media screen and (max-width:1200px) {

    .nav li {
        /* padding: 0 15px; */
        width: auto;
    }

}



@media screen and (max-width:1090px) {

    .wrapper {
        box-sizing: border-box;
        width: 100%;
        padding-left: 30px;
        padding-right: 30px;
    }

    .header {
        padding: 10px 15px;
    }

    .logo {
        height: 42px;
        margin-left: 0px;
    }

    .nav li {
        font-size: 18px;
        margin-left: 1.5em;
    }

    .teclist {
        flex-direction: column;
    }

    .teclist li {
        flex-basis: 100%;
        display: flex;
        flex-direction: row;
        margin-top: 15px;
    }

    .tec-icon-box {
        width: 40%;
        margin: 0;
    }

    .form-items label {
        position: absolute;
        top: -25px;
        left: 0;
        color: #fff;
    }
}


@media screen and (max-width:767px) {
    body {
        letter-spacing: 0;
    }

    .comm-title {
        padding-bottom: 20px;
    }

    .comm-title h1 {
        font-size: 28px;
        letter-spacing: 0;
    }

    .comm-title p {
        font-size: 14px;
        letter-spacing: 10px;
    }

    .comm-title-line {
        height: 1px;
    }

    /* 渐变边框 */
    .gradient-border {
        border: 1px solid;
        border-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3)) 2;
    }

    .sec-block {
        height: 100px;
    }

    .padd-left {
        padding-left: 0;
    }

    /* 导航 */
    .header .wrapper {
        padding: 0;
    }

    .menu-btn {
        display: block;
    }

    .menu-close {
        display: block;
    }

    .nav-container {
        position: fixed;
        width: 50vw;
        height: 100vh;
        right: -60vw;
        top: 0;
        display: block;
        background-color: #000;
        box-shadow: -10px 0 20px rgba(0, 0, 0, .2);
    }

    .nav {
        margin: 20px 20px;
        flex-direction: column;
        padding: 10px 0;
    }

    .nav li {
        line-height: 3;
        margin-top: 2em;
    }

    .nav li a {
        background-image: linear-gradient(to right, var(--mainColor1), var(--mainColor2), var(--mainColor3));
        color: transparent;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .banner-video {
        display: none;
    }


    .banner-m-video {
        display: block;
    }
    .banner-line {
        width: 60px;
    }
    .banner-text {
        width: 260px;
        padding: 0;
    }
    .banner-text h1 {
        font-size: 30px;
    }

    .banner-text h2 {
        font-size: 18px;
    }

    .title-more {
        font-size: 10px;
    }

    /* 关于 */
    .about-text {
        font-size: 15px;
        line-height: 1.6;
    }

    /* 技术平台 */
    .teclist {
        margin: 0;
        flex-wrap: wrap;
    }

    .teclist li {
        box-sizing: border-box;
        flex-basis: 100%;
        margin: 10px 0 0 0;
        padding: 20px 15px;
        display: flex;
        flex-direction: row;
        border: 1px #fff solid;
        text-align: left;
    }

    .tec-icon-box {
        flex-shrink: 0;
        margin-right: 20px;
        height: auto;
    }

    .tec-icon-box .tec-img,
    .tec-icon-box .tec-img-hover {
        width: 100%;
        height: auto;
    }

    .tec-title {
        margin-top: 0;
        font-size: 16px;

    }

    .tec-line {
        width: 100%;
    }

    .tec-desc {
        font-weight: normal;
        font-size: 12px;
    }

    .news-top {
        margin-top: 55px;
    }

    .news-top-aside {
        /* width: 100px; */
        box-sizing: border-box;
        padding-right: 6px;
    }

    .news-top-aside h3 {
        font-size: 15px;
    }

    .news-top-aside p {
        font-size: 12px;
        font-weight: normal;
    }

    .news-top-more {
        margin-top: 18px;
        font-size: 10px;
        padding: 0 10px;
        border: 1px #fff solid;
    }

    .news-top-img {
        flex-grow: 1;
    }

    .news {
        margin: 30px 5px 0 5px;
    }

    .news li {
        flex-basis: 100%;
        width: 100%;
        margin-top: 20px;
    }

    .news li a {
        display: flex;
        margin: 0;
    }

    .news-imgbox {
        order: 2;
    }

    .news-main {
        order: 1;
        width: 40%;
        flex-shrink: 0;
        flex-grow: 1;
        margin-right: 8px;
    }

    .news-title {
        font-size: 15px;
        border-top: 1px #ccc9 solid;
        padding-bottom: 5px;
    }

    .news-desc {
        font-weight: normal;
        line-height: 1.6;
        font-size: 12px;
        border: 0;
        padding-top: 0;
    }


    /* 加入我们 */
    .join main {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .join .title-more {
        margin-top: 5px;
    }

    .join-title {
        margin-top: 10px;
    }

    .join-title h2 {
        font-size: 20px;
    }

    .join-title h3 {
        font-size: 14px;
    }

    .join-items {
        padding: 0 5px;
    }

    .join-item-title {
        margin-top: 2em;
        font-size: 14px;
        font-weight: bold;
    }

    .join-item-text {
        font-size: 14px;
        color: #999;
        line-height: 1.6;
    }

    /* 获取方案 */
    .scheme-title-bar .comm-title {
        padding-bottom: 25px;
    }

    .scheme-title-bar .title-more {
        margin-top: 20px;
    }

    .form-items {
        font-size: 10px;
    }

    .scheme {
        padding: 20px;
    }

    .form-items li {
        width: 100%;
        margin-bottom: 20px;
        padding: 0 10px;
        height: 40px;
    }

    .form-items .input {
        font-size: 12px;
    }

    .form-items label {
        position: relative;
        top: 0;
        color: var(--mainColor1);

    }

    .form-btn {
        margin-top: 20px;
    }
    .form-agree {
        margin-left: auto;
        margin-right: 0;
    }

    
    
    .footer {
        padding: 50px 0;
    }

    .foot-contact {
        align-items: flex-start;
    }

    .foot-address li {
        font-size: 12px;
    }

    .foot-address li img {
        margin-right: 8px;
        width: 24px;
    }

    .foot-address,
    .foot-qr {
        flex-direction: column;
    }

    .foot-address h3,
    .foot-qr h3 {
        font-size: 18px;
        margin-right: 0;
        margin-bottom: 2em;
    }

    .foot-qr img {
        width: 72px;
    }

    .footer copyright {
        font-size: 12px;
    }
}


@media screen and (max-width:414px) {
    .nav li {
        margin-left: 0;
    }

    .foot-contact h3 {
        margin-top: 10px;
    }

    .foot-logo img {
        height: 32px;
    }

    .foot-address li {
        margin-bottom: 1.7em;
    }
    .form-btn {
        width: 100%;
    }

}