* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

body{
    user-select: none;
}

.header {
    width: 100%;
    /* height: 121px; */
    position: absolute;
    top: 0;
    left: 0;
    z-index: 999;
    display: flex;
    padding: 25px 5%;
    box-sizing: border-box;
    justify-content: space-between;
    align-items: center;
    transition: all cubic-bezier(.23, 1, .32, 1) .3s
}

.header:hover {
    background-color: #fff;
}

.header:hover .header-logo {
    display: block;
    background-image: url('../img/logo1.png');
}

.header:hover .header-span {
    color: #aaa;
    border: 1px solid #ccc;
}

.header:hover .header-item .item-block {
    color: #333;
    text-decoration: none;
}

.header .header-logo {
    width: 211px;
    height: 60px;
    cursor: pointer;
    background-image: url('../img/logo.png');
    background-size: 100% 100%;
}

.header-list {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-list .header-item {
    height: 60px;
    line-height: 60px;
    letter-spacing: 1px;
    font-size: 16px;
    padding: 0 30px;
    cursor: pointer;
}

.header-list .header-span {
    width: 105px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    color: #fff;
    border: 1px solid #fff;
    margin-left: 30px;
    font-size: 14px;
}

.header-list .header-item .item-block {
    color: #fff;
}


.menu-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #004A9D;
    color: #fff;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}

.menu-section.show {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}

.nav-menu {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0;
    transition: top 0.5s ease, opacity 0.5s ease;
}

.nav-menu.show {
    top: 5%;
    opacity: 1;
}

#close-btn {
    font-size: 30px;
    position: absolute;
    top: 5%;
    right: 5%;
    cursor: pointer;
}

.nav-menu:hover .menu-block {
    text-decoration: none;
}

.nav-menu .menu-img {
    width: 211px;
    height: 60px;
    margin: 60px auto;
}

.nav-menu .menu-img img {
    width: 100%;
    height: 100%;
}

.nav-menu .menu-block {
    display: block;
    width: 100%;
    height: 40px;
    line-height: 40px;
    text-align: center;
    margin-bottom: 40px;
    color: #fff;
    font-size: 24px;

}

.banner .banner-text {
    font-size: 48px;
    color: #fff;
    position: absolute;
    left: 12%;
    top: 45%;
    letter-spacing: 1px;
}

.banner {
    width: 100%;
    height: 620px;
    position: relative;
    background-image: url('../img/banner.png');
    background-size: 100% 100%;

}

.banner .banner-text {
    font-size: 48px;
    color: #fff;
    position: absolute;
    left: 12%;
    top: 45%;
    letter-spacing: 3px;
}


footer {
    width: 100%;
    height: 340px;
    background-color: #212529;
    color: #999;
}

.footer-list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0 40px;
    border-bottom: 1px solid #363636;
}

.footer-list .footer-item {
    width: 120px;
    height: 58px;
    line-height: 58px;
    text-align: center;
    font-size: 14px;
    background: url('../img/line.png') right center no-repeat;
}

.footer-item .item-block {
    color: #999;
}

.footer-item .item-block:hover {
    text-decoration: none;
}

.footer-item.item1 {
    background: none;
}

.footer-main {
    width: 100%;
    height: 240px;
    display: flex;
    justify-content: flex-start;

}

.footer-main .main-block {
    width: 100%;
    padding-top: 72px;
}

.footer-main .main-block.block1 {
    padding-left: 5%;
    box-sizing: border-box;
}

.main-block.block1 p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 5px;
}

.footer-main .main-block.block2 {

    text-align: center;
}

.main-block.block2 p {
    font-size: 16px;
    color: #fff;
    opacity: .8;
    margin-bottom: 10px;
}

.main-block.block2 img {
    width: 110px;
    height: 110px;
}

.footer-main .main-block.block3 {
    padding-right: 5%;
    padding-left: 32px;
}

.main-block.block3 input {
    background-color: transparent;
    width: 300px;
    border: none;
    padding: 10px;
    border-bottom: 1px solid #9B9B9B;
    font-size: 14px;
    padding-left: 40px;
}

.main-block.block3 button {
    width: 80px;
    height: 37px;
    background-color: transparent;
    border: solid 1px #fff;
    color: #fff;
    transition: color .3s linear, background-color .2s linear;
    text-align: center;
}

footer h2 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 30px;
    opacity: .8;
}

.footer-bottom {
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 13px;
    background-color: #1D1D1D;
    color: #999;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom a {
    color: #333;
}

/* 小窗口导航 */
@media only screen and (max-width:960px) {

    .blue,
    .header-list,
    .header-item,
    .header-span {
        display: none;
    }

    .header {
        width: 100%;
        height: 76px;
        position: fixed;
        top: 0;
        left: 0;
        background-color: #fff;
        z-index: 999;
    }

    .header .header-logo {
        width: 211px;
        height: 60px;
        background-image: url('../img/logo.png');
        background-size: 100% 100%;
        z-index: 999;
    }

    .click-btn {
        width: 20px;
        height: 14px;
        transition: .5s ease-in-out;
        cursor: pointer;
        z-index: 10001;
    }

    .btn-line {
        width: 100%;
        height: 2px;
        background: #333;
        margin-bottom: 4px;
    }


}

/* 小窗口导航 */
@media only screen and (max-width:1200px) {

    .blue,
    .header-list,
    .header-item,
    .header-span {
        display: none;
    }

    .header {
        width: 100%;
        height: 76px;
        position: fixed;
        top: 0;
        left: 0;
        background-color: #fff;
        z-index: 999;
    }

    .header .header-logo {
        width: 211px;
        height: 60px;
        background-image: url('../img/logo1.png');
        background-size: 100% 100%;
        z-index: 999;
    }

    .click-btn {
        width: 20px;
        height: 14px;
        transition: .5s ease-in-out;
        cursor: pointer;
        z-index: 10001;
    }

    .btn-line {
        width: 100%;
        height: 2px;
        background: #333;
        margin-bottom: 4px;
    }

    .banner {
        width: 100%;
        height: 276px;
    }

    .banner .banner-text {
        font-size: 24px;
        top: 50%;
    }


}

.content .content-tab {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #EEEEEE;

}

.content .content-tab li {
    padding: 0 55px;
    height: 60px;
    line-height: 60px;
    text-align: center;
}

.content .content-tab .tab:hover {
    background-color: #004A9D;
    color: #fff;
}

.content .content-tab li.active {
    background-color: #004A9D;
    color: #fff;
}

.content-page {
    text-align: center;
    margin-top: 40px;
}

.content-page a {
    display: inline-block;
    color: #0091DB;
    border: 1px solid #ddd;
    padding: 2px 5px;
}

.content-page .title {
    margin-right: 10px;
}

.content-page a:hover {
    color: #333;
    border: 1px solid #0091DB;
    background-color: rgba(0, 145, 219, .2);
}

.current {
    color: #fff;
    display: inline-block;
    padding: 2px 5px;
    font-weight: bold;
    background-color: #0091DB;
}

@media screen and (max-width:960px) {

    .main-block.block2,
    .main-block.block3 {
        display: none;
    }

    footer {
        position: relative;
    }

    .footer-bottom {
        height: 80px;
        position: absolute;
        bottom: 0;
        left: 0;
        padding: 0 40px;
    }

    .footer-list {
        display: none;
    }
}

@media screen and (max-width:400px) {
    .nav-menu.show {
        top: -5%;
    }

    .banner {
        height: 200px;
    }

    .banner .banner-text {
        top: 60%;
    }
    .nav-menu .menu-block{
        margin-bottom: 30px;
    }
}