body {
    color: #2a2a34;
}
body, h1, h2, h3, h4, h5, h6, p {
    margin: 0;
}
.container {
    width: 1200px;
    margin: 0 auto;
}
.header {
    background: rgba(25, 25, 25, 0.6);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    transition: background .3s;
    z-index: 100;
}
.header .container {
    display: flex;
    align-items: center;
    height: 80px;
}
.nav {
    flex: 1;
    display: flex;
    justify-content: center;
}
.nav a {
    font-size: 18px;
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}
.nav a:hover {
    color: #2f79ff;
}
.nav a + a {
    margin-left: 30px;
}
.sec-banner {
    background: #0d50d8;
    background: linear-gradient(to right, #0d50d8, #3d7de5);
}
.sec-banner .container {
    height: 530px;
    /* background: url(../img/banner.png); */
}
.banner-intro {
    padding: 340px 0 0 20px;
    color: #fff;
    font-size: 18px;
}
.banner-intro span {
    font-size: 24px;
    font-weight: 500;
    margin-right: 20px;
}
.sec-env {
    background: #f3f6fc;
    padding: 160px 0;
}
.sec-env .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.env-intro h2 {
    font-size: 44px;
    font-weight: 500;
}
.env-intro p {
    margin-top: 40px;
    color: rgba(25, 25, 25, 0.45);
    font-size: 16px;
}
.env-img {
    position: relative;
    padding: 20px;
}
.env-img img {
    position: relative;
}
.env-img:before {
    content: '';
    width: 200px;
    height: 200px;
    background: #3577e7;
    position: absolute;
    right: 0;
    bottom: 0;
}
.env-img:after {
    content: '';
    width: 55px;
    height: 56px;
    background: #0ec0f1;
    position: absolute;
    top: 60px;
    left: 0;
}
.sec-award {
    color: #fff;
    background: #18181a;
    padding: 160px 0 60px;
}
.sec-award h2 {
    font-size: 44px;
    font-weight: 500;
    margin-bottom: 80px;
    text-align: center;
}
.award-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 800px;
    margin: 0 auto;
}
.award-item {
    width: 272px;
    height: 90px;
    box-sizing: border-box;
    padding: 0 48px;
    margin: 0 40px 100px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.award-item:before,
.award-item:after {
    content: '';
    position: absolute;
    width: 48px;
    height: 90px;
    right: 0;
    top: 0;
    background: url(../img/award-right.png) no-repeat;
}
.award-item:before {
    left: 0;
    right: auto;
    transform: scaleX(-1);
}
.sec-contact {
    padding: 160px 0;
    background: #f3f6fc;
}
.sec-contact .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.contact-intro {
    width: 420px;
}
.contact-intro h2 {
    font-size: 44px;
    font-weight: 500;
}
.contact-intro__part {
    margin-top: 40px;
}
.contact-intro__part .label {
    color: rgba(25, 25, 25, 0.45);
    font-size: 16px;
}
.contact-intro__part .value {
    margin-top: 7px;
    font-size: 20px;
}
.footer {
    text-align: center;
    background: #18181a;
    padding: 80px 0;
}
.footer,
.footer a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}
.footer p {
    margin-top: 20px;
}