* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Montserrat","Microsoft Yahei",sans-serif;
}
.welcome {
    height: 990px;
    width: 1600px;
    margin: 0 auto;
    letter-spacing: 0.05em;
    font-family: "Montserrat";
    color: rgba(255,255,255,0.7);
    text-align: center;
    font-weight: 100;
    background-image: url(./images/welcome.png);
}
.hello-world {
    font-size: 62px;
    color: rgba(255,255,255,0.9);
    position: relative;
    top: 200px;
}
.welcome-describe {
    font-size: 20px;
    line-height: 1.6;
    margin: 0 auto;
    position: relative;
    top: 260px;
    width: 800px;
}
.creat-account-box {
    width: 970px;
    height: 250px;
    border: solid 1px rgba(255,255,255,0.3);
    margin: 0 auto;
    position: relative;
    top: 350px;
}
.creat-account-title {
    text-transform: uppercase;
    font-weight: 700;
    font-size: 20px;
    color: rgba(255,255,255,0.8);
    text-align: center;
    position: relative;
    top: 50px;
}
.creat-account-subtitle {
    text-align: center;
    letter-spacing: 0.1em;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    position: relative;
    top: 70px;
}
.sign {
    position: relative;
    top: 120px;
    display: flex;
    justify-content: space-around;
}
.sign input {
    width: 290px;
    height: 40px;
    text-indent: 2em;
    color: #ffffff;
    background-color: rgba(255,255,255,0);
    border-color: rgba(255,255,255,0.3);
}
.sign input:first-child {
    margin-left: 100px;
}
.sign button {
    height: 40px;
    width: 125px;
    border-radius: 3px;
    border-width: 1px;
    background-color: #ffffff;
    color: rgba(0,0,0,0.8);
    font-weight: 700;
    margin-right: 100px;
}
.feature {
    width: 1600px;
    height: 710px;
    text-align: center;
    letter-spacing: 0.05em;
    background-color: #ffffff;
    border: solid 1px #000000;
    margin: 0 auto;
    color: #141414;
}
.feature-subtitle {
    font-size: 14px;
    font-weight: 400;
    text-transform: uppercase;
    position: relative;
    top:80px;
}
.feature-title {
    width: 750px;
    font-size: 42px;
    font-weight: 300;
    margin: 0 auto;
    position: relative;
    top: 110px;
}
.feature-box {
    position: relative;
    /* border: solid 1px black; */
    height: 360px;
    width: 1120px;
    margin: 0 auto;
    position: relative;
    top: 140px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.feature-box .item {
    width: 425px;
    height: 100px;
    /* border: solid 1px black; */
    margin: 50px;
    text-align: left;
}
.feature-box .item img {
    float: left;
}
.feature-name {
    font-size: 20px;
    float: left;
    clear: right;
    margin-bottom: 15px;
}
.feature-content {
    width: 350px;
    color: rgba(0,0,0,0.7);
    float: left;
}
.action {
    width: 1600px;
    height: 800px;
    text-align: left;
    letter-spacing: 0.05em;
    background-image: url(./images/action.png);
    margin: 0 auto;
}
.action-box {
    height: 490px;
    width: 570px;
    /* border: solid 1px black; */
    position: relative;
    top: 160px;
    left: 310px;
}
.action-title {
    width: 380px;
    font-size: 42px;
    line-height: 1.2;
    color: #ffffff;
    font-weight: 300;
}
.action-content {
    width: 400px;
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255,255,255,0.7);
    font-weight: 300;
}
.action-box button {
    width: 240px;
    height: 60px;
    border: solid 1px rgba(255,255,255,0.7);
    border-radius: 3px;
    text-align: center;
    font-weight: 600;
    position: relative;
    top: 50px;
}
.check {
    background-color: #ffffff;
    color: #000000;
}
.try {
    background-color: rgba(255,255,255,0);
    color: #ffffff;
}
.product {
    width: 1600px;
    height: 580px;
    text-align: center;
    letter-spacing: 0.05em;
    margin: 0 auto;
    border:solid 1px #000000;
}
.product-title {
    font-size: 42px;
    color: #141414;
    font-weight: 300;
    position: relative;
    top: 100px;
}
.product-box {
    height: 340px;
    width: 1030px;
    /* border: solid 1px black; */
    margin: 0 auto;
    position: relative;
    top: 120px;
    display: flex;
    justify-content: space-around;
}
.product-box .item {
    /* border: solid 1px black; */
    margin-top: 30px;
}
.product-box .item img {
    width: 270px;
}
.product-content {
    width: 270px;
    color: rgba(0,0,0,0.7);
    line-height: 1.7;
    /* word-break: break-all; */
    word-wrap: break-word;
}
.describe {
    width: 1600px;
    height: 1000px;
    text-align: left;
    margin: 0 auto;
    border:solid 1px #000000;
    border-top: 0;
    position: relative;
}
.describe img {
    height: 360px;
    width: 560px;
}
.describe-img1 {
    position: absolute;
    left: 310px;
    top: 110px;
}
.describe-img2 {
    position: absolute;
    left: 720px;
    top: 550px;
}
.describe-box1 {
    height: 305px;
    width: 270px;
    position: absolute;
    left: 1000px;
    top: 190px;
    /* border: solid 1px black; */
}
.describe-box2 {
    height: 305px;
    width: 300px;
    position: absolute;
    left: 310px;
    top: 620px;
    /* border: solid 1px black; */
}
.describe-title {
    font-size: 20px;
    line-height: 1.6;
    color: #141414;
}
.describe-content {
    line-height: 1.7;
    color: rgb(0,0,0,0.7);
    margin-top: 20px;
    word-wrap: break-word;
}
.crew {
    width: 1600px;
    height: 1080px;
    text-align: center;
    margin: 0 auto;
    border: solid 1px #000000;
    border-top: 0;
    letter-spacing: 0.05em;
    position: relative;
}
.crew-title {
    font-size: 42px;
    line-height: 1.2;
    color: #141414;
    position: relative;
    top: 90px;
}
.crew-content {
    width: 710px;
    font-size: 18px;
    color: rgba(20, 20, 20, 0.7);
    line-height: 1.5;
    margin: 0 auto;
    position: relative;
    top: 120px;
}
.crew-box {
    width: 1030px;
    height: 770px;
    /* border: solid 1px black; */
    position: absolute;
    top: 285px;
    left: 270px;
}
.crew-box .item {
    position: relative;
    float: left;
    margin: 20px;
    width: 470px;
    height: 340px;
}
.img-des {
    position: absolute;
    left: 0;
    top: 0;
    width: 470px;
    height: 340px;
    /* border: solid 1px black; */
    margin: 0 auto;
    /* 实现遮罩层关键 */
    opacity: 0;
    color: #ffffff;
    background-color: rgba(101, 101, 101, 0.6);
}
.name {
    font-size: 20px;
    line-height: 1.6;
    margin-top: 100px;
}
.job {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    line-height: 2.333;
    margin-top: 30px;
    margin-bottom: 30px;
}
.img-des a {
    margin-left: 10px;
    margin-right: 10px;
}
.crew-photo {
    width: 470px;
    height: 340px;
}
/* 实现遮罩层的关键 */
.crew-box .item a:hover .img-des {
    opacity: 1;
}
.contact {
    width: 1600px;
    height: 700px;
    letter-spacing: 0.05em;
    border: solid 1px #000000;
    border-top: 0;
    margin: 0 auto;
    position: relative;
}
.form {
    width: 470px;
    height: 560px;
    border:solid 1px #aaaaaa;
    border-radius: 5px;
    position: relative;
    left: 315px;
    top: 75px;
}
.form-title {
    color: #141414;
    text-transform: uppercase;
    line-height: 2;
    text-align: center;
    margin-top: 40px;
}
.e-mail {
    width: 370px;
    height: 50px;
    text-indent: 2em;
    position: absolute;
    left: 50px;
    top: 110px;
}
.subject {
    width: 370px;
    height: 50px;
    text-indent: 2em;
    position: absolute;
    left: 50px;
    top: 190px;
}
.message {
    width: 370px;
    height: 145px;
    text-indent: 2em;
    position: absolute;
    left: 50px;
    top: 270px;
}
.send {
    width: 370px;
    height: 50px;
    background-color: #000000;
    color: rgba(255,255,255,0.9);
    position: absolute;
    left: 50px;
    top: 445px;
}
.contact-box {
    width: 370px;
    height: 370px;
    position: absolute;
    top: 160px;
    left: 915px;
    /* border: solid 1px black; */
}
.contact-title {
    font-size: 42px;
    color: #141414;
    line-height: 1.2;
    font-weight: 300;
}
.contact-content {
    color: #aaaaaa;
    line-height: 1.6;
    margin-top: 30px;
    margin-bottom: 50px;
}
.contact-box .item {
    height: 40px;
    margin-bottom: 10px;
}
.contact-box .item:nth-child(3) {
    margin-bottom: 20px;
}
.contact-box .item a {
    text-decoration: none;
}
.contact-box .item img{
    float: left;
    clear: both;
}
.contact-box .item p {
    height: 40px;
}
.footer {
    width: 1600px;
    height: 410px;
    margin: 0 auto;
    background-color: #000000;
    color: #ffffff;
    display: flex;
    justify-content: space-around;
}
ul {
    list-style-type: none;
    margin-top: 80px;
}
ul:first-child {
    margin-left: 80px;
}
li {
    margin-top: 30px;
}
li a {
    color: #aaaaaa;
    text-decoration: none;
}
.footer-enjoy {
    margin-top: 110px;
}
.enjoy-subtitle {
    width: 300px;
    color: #aaaaaa;
    text-align: left;
    margin-top: 30px;
}
.enjoy-socials {
    margin-top: 30px;
    opacity: 0.5;
}
.enjoy-socials a {
    margin-right: 15px;
}