/*------------------------- 公共部分 -------------------------*/
section {
    position: relative;
    box-sizing: border-box;
}

@font-face {
    font-family: 'Manrope';

    src: url('../fonts/Manrope-Medium.ttf');
    font-display: block;
}

body,
html {
    width: 100%;
    min-width: 1140px;
    /* max-width: 1920px; */
    margin: 0 auto;
    font-family: 'Manrope';
}

.logo {
    line-height: 60px;
    color: #999;
}

.logo img {
    position: relative;
    top: 11px;
    display: inline-block;
}

img {
    display: block;
}

ul {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.common-width {
    width: 100%;
    min-width: 1140px;
    /* max-width: 1920px; */
}

.min-width {
    width: 1140px;
    margin: auto;
}

.max-width-bg {
    position: absolute;
    z-index: -1;
    top: 0;
    left: 50%;
    width: 1920px;
    margin-left: -960px;
    background-repeat: no-repeat;
    background-size: contain;
}

.h5-title {
    font-size: 30px;
    font-weight: 600;
    line-height: 42px;
    color: #fff;
}

.common-bg {
    border: 1px solid #9bacbf;
    background-image: linear-gradient(-180deg, rgba(37, 52, 103, .8) 0%, rgba(0, 0, 0, 0.5) 100%);
}

/*------------------------- 导航栏 -------------------------*/
nav {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
    height: 60px;
    padding: 0 32px;
    background-color: #e6e6e6;
}

nav > img {
    width: auto;
    height: 32px;
    margin: 14px 0;
}

nav > ul {
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
    height: 100%;
}

nav > ul > li {
    position: relative;
    box-sizing: border-box;
    height: 100%;
    margin-right: 32px;
}

nav > ul > li:last-child {
    margin-right: 0;
}

nav > ul > li > a {
    font-size: 14px;
    line-height: 20px;
    display: flex;
    box-sizing: border-box;
    height: 100%;
    padding: 19px 0;
    text-align: center;
    color: #000;
    border-bottom: 2px solid transparent;
}

nav > ul > li > a.active,
nav > ul > li > a:hover {
    border-bottom-color: #4b75e2;
}

nav > ul > li:last-child > a:hover,
nav > ul > li:last-child > a:active {
    border-bottom-color: transparent;
}

/* 语言下拉框 */
.lang > a {
    padding: 22px 16px;
}

.lang img {
    width: 24px;
    height: 16px;
}

.lang ul {
    position: absolute;
    z-index: 2;
    top: 60px;
    right: 16px;
    display: none;
    width: max-content;
    border-radius: 6px;
    background-color: white;
}

nav > ul > li:hover ul {
    display: block;
}

.lang li {
    height: 50px;
    margin: 0;
    padding: 0 16px;
}

.lang li:hover,
.lang li.active {
    border-radius: 6px;
    background-color: #d3e6fb;
}

.lang li img {
    margin-right: 10px;
}

.lang li a {
    font-size: 14px;
    line-height: 16px;
    display: flex;
    box-sizing: border-box;
    height: 100%;
    padding: 17px 0;
    color: #333;
}

.lang li a span {
    display: block;
}


/*------------------------- main -------------------------*/
main,
footer {
    overflow: hidden;
    width: 100%;
    min-width: 1140px;
    margin: auto;
}

/* 第一栏介绍 */
.intro {
    height: 750px;
    padding-top: 240px;
}

.intro .max-width-bg {
    height: 750px;
    background-image: url(../img/pexels.jpg);
    background-size: cover;
}

.intro h4 {
    font-size: 32px;
    font-weight: 500;
    line-height: 45px;
    margin: 0 auto 0 auto;
    text-align: center;
    color: #fff;
}

.intro .content {
    font-size: 16px;
    font-weight: 200;
    line-height: 22px;
    margin: 15px 0 30px 0;
    text-align: center;
    color: #fff;
}

.intro .button {
    font-size: 18px;
    line-height: 40px;
    position: relative;
    overflow: hidden;
    width: 180px;
    height: 40px;
    margin: 0 auto;
    margin-top: 45px;
    cursor: pointer;
    text-align: center;
    color: #fff;
    border-radius: 28px;
    background-color: rgb(75, 117, 226);
}

.intro .button:hover {
    background-color: rgba(75, 117, 226, .9);
}

.intro .button:focus,
.intro .button:active {
    background-color: rgba(75, 117, 226, .8);
}


/* 水波纹动画 */
.intro .button:after {
    position: absolute;
    z-index: -1;
    bottom: -90px;
    left: 45px;
    display: block;
    width: 90px;
    height: 90px;
    content: '';
    opacity: .5;
    border-radius: 50%;
    background: rgb(255, 255, 255);
}

@keyframes water-ripple {
    from {
        bottom: -90px;
        left: 45px;
        width: 90px;
        height: 90px;
    }

    to {
        bottom: -70px;
        left: 0;
        width: 180px;
        height: 180px;
    }
}

@keyframes water-ripple-reverse {
    from {
        bottom: -70px;
        left: 0;
        width: 180px;
        height: 180px;
    }

    to {
        bottom: -90px;
        left: 45px;
        width: 90px;
        height: 90px;
    }
}

/* who we are */
.who-we-are {
    display: flex;
    justify-content: space-between;
    height: 270px;
    margin: 101px auto 0 auto;
}

.who-we-are > img {
    width: auto;
    height: 100%;
}

.who-we-are > div {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 50px;
}

.who-we-are .h5-title {
    line-height: 38px;
    display: inline-block;
    margin: 0;
    color: #fff;
}

.who-we-are p {
    font-size: 16px;
    font-weight: 300;
    line-height: 22px;
    margin: 20px 0 0 0;
    text-align: justify;
    color: #fff;
}

/* what we do */
.what-we-do {
    overflow: hidden;
    padding: 20px 10px 0;
    background-color: #554da3;
}

.what-we-do .max-width-bg {
    height: 968px;
    /* background-image: url(../img/bg2.jpg); */
    /* background-position: 0 -80px; */
    background: #f2f2f2;
}

.what-we-do .who-we-are {
    margin-top: 0;
}

/* Blockchain Technical Service */
.blockchain-technical {
    box-sizing: border-box;
    height: 313px;
}

.blockchain-technical.SoftwareOutsourcing {
    height: 430px;
}

.blockchain-technical .h5-title {
    margin: 20px 0 30px 0;
    padding-top: 60px;
}

.blockchain-technical .title {
    font-size: 24px;
    line-height: 33px;
    margin: 60px 0 30px 0;
    color: #fff;
}

.blockchain-technical .content {
    font-size: 16px;
    font-weight: 300;
    line-height: 22px;
    display: inline-block;
    margin: 0;
    margin-bottom: 20px;
    text-align: justify;
    color: #fff;
}

/*------------------------- Exchange Technical Services -------------------------*/
.exchange-technical {
    width: 100%;
    padding: 60px 0;
    background-color: #3f3885;
}

.exchange-technical .h5-title {
    margin: 0;
    padding: 0 10px;
}

.exchange-technical .web_h6 {
    font-size: 16px;
    font-weight: 100;
    margin: 10px 0 0;
    padding: 0 10px;
    color: #333;
}

.exchange-technical .box {
    display: flex;
    flex-wrap: wrap;
}

.exchange-technical .box li {
    box-sizing: border-box;
    width: 350px;
    height: 445px;
    margin: 50px 0 0 45px;
    padding: 50px 15px 30px 15px;
    border-radius: 24px;
    /* border: 0.5px solid #f2f2f2; */
    /* background-image: linear-gradient(-180deg, #253467 0%, #0d1338 100%); */
    background: #554da3;
}

.exchange-technical .box li:first-child,
.exchange-technical .box li:nth-child(4) {
    margin-left: 0;
}

.exchange-technical .box li img {
    width: 100px;
    height: 100px;
    margin: auto;
}

.exchange-technical .box li p {
    font-size: 18px;
    line-height: 25px;
    margin: 20px 0;
    text-align: center;
    color: #fff;
}

.exchange-technical .box li span {
    font-size: 14px;
    font-weight: 300;
    line-height: 24px;
    display: inline-block;
    text-align: justify;
    text-indent: 2em;
    color: #fff;
}


/*------------------------- Blockchain Consultancy Services -------------------------*/
.blockchain-consultancy {
    z-index: 0;
    padding: 80px 10px;
    /* background-color: #15183f; */
}

.blockchain-consultancy .max-width-bg {
    height: 605px;
    background: #3f3885;
    /* background-image: url(../img/bg4.svg); */
}

.blockchain-consultancy .h5-title {
    margin: 0 0 50px 0;
}

.blockchain-consultancy .info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 353px;
}

.blockchain-consultancy .info img {
    width: 600px;
    height: 353px;
    filter: sepia(1) hue-rotate(210deg) saturate(2);
}

.blockchain-consultancy .info > ul {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 500px;
    gap: 20px;
}

.blockchain-consultancy .info p {
    font-size: 24px;
    line-height: 33px;
    margin: 50px 0 20px 0;
    color: #fff;
}

.blockchain-consultancy .info p:first-child {
    margin-top: 0;
}

.blockchain-consultancy .info span {
    font-size: 16px;
    font-weight: 300;
    line-height: 22px;
    display: inline-block;
    text-align: justify;
    /* text-indent: 2em; */
    color: #fff;
}


/*------------------------- Project Promotional Service -------------------------*/
.project-promotional {
    overflow: hidden;
    box-sizing: border-box;
    height: 270px;
    padding: 0 10px;
    background-color: #554da3;
}

.project-promotional .h5-title {
    margin: 0 0 25px 0;
}

.project-promotional .descrip {
    font-size: 18px;
    line-height: 25px;
    text-align: justify;
    color: #fff;
}

.project-promotional .map-box {
    box-sizing: border-box;
    height: 440px;
    margin: 50px auto 40px auto;
}

.map-box .bg {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    padding: 30px 50px 0 50px;
    background-image: url(../img/pic_4.svg);
    background-repeat: no-repeat;
    background-position: center bottom;
}

.map-box p {
    font-size: 16px;
    line-height: 22px;
    margin: 30px 0 10px 0;
    text-align: center;
    color: #fff;
}

.map-box p:first-child {
    margin-top: 0;
}

.map-box span {
    font-size: 14px;
    font-weight: 300;
    line-height: 20px;
    display: block;
    text-align: justify;
    letter-spacing: -.2px;
    color: #fff;
}

/* 联系我们 */
.project-promotional > .max-width-bg {
    height: 1009px;
    /* background-image: url(../img/bg5.jpg); */
}

.contact-us .h5-title {
    margin: 0 0 40px 0;
    padding-top: 60px;
}

.contact-us ul {
    display: flex;
}

.contact-us li {
    display: flex;
    align-items: center;
}

.contact-us li:last-child {
    margin-left: 100px;
}

.contact-us .title {
    padding-right: 20px;
}

.contact-us .title,
.contact-us .content {
    font-size: 24px;
    line-height: 33px;
    color: #000;
}

.contact-us .content {
    line-height: 60px;
    display: flex;
    justify-content: center;
    box-sizing: border-box;
    width: 360px;
    height: 60px;
    text-align: center;
    color: #000;
    border: 1px solid #ccc;
    /* background-image: linear-gradient(-180deg, #253467 0%, #0d1338 100%); */
    background: #f2f2f2;
}


/*------------------------- Footer -------------------------*/
footer {
    box-sizing: border-box;
    padding: 60px 10px;
    background: #3f3885;
}

footer ul {
    display: flex;
    justify-content: space-between;
}

footer img {
    width: auto;
    height: 48px;
    margin-bottom: 20px;
    margin-left: -35px;
}

footer span {
    font-size: 14px;
    line-height: 19px;
    display: block;
    padding-top: 13px;
    text-align: left;
    color: #fff;
}

footer li span:first-child {
    padding-top: 0;
}

footer li:last-child span {
    text-align: right;
}

footer li:first-child span:last-child img {
    height: 19px;
    margin-bottom: 0;
}