* {
    margin: 0;
    padding: 0;
}

li {
    list-style-type: none;
}

a {
    text-decoration: none;
}

.body {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    position: relative;
    font-family: "PingFang SC", "SourceHanSansCN", "Helvetica", "Arial", "微软雅黑", "microsoft yahei", sans-serif;
}

.top {
    width: 100%;
    height: 112px;
    background-color: #46a6e6;
    position: fixed;
    top: 0;
    z-index: 2000;
}

.top-box {
    width: 1200px;
    height: 112px;
    margin: 0 auto;
    position: relative;
}

.top-logo {
    width: 365px;
    height: 72px;
    background: url('../public/icon/png_2x/i_2x-01.png') no-repeat center;
    background-size: 365px 72px;
    position: absolute;
    top: 20px;
    left: 0;
}

.input-icon {
    width: 14px;
    height: 14px;
    background: url('../public/icon/png_2x/i_2x-02.png') no-repeat center;
    background-size: 14px 14px;
    position: absolute;
    right: 137px;
    top: 25px;
    cursor: pointer;
}

.top-a-1,
.top-a-2 {
    display: block;
    position: absolute;
}

.top-a-1 {
    font-size: 12px;
    color: #FFFFFF;
    top: 23px;
    right: 65px;
}

.top-a-2 {
    font-size: 12px;
    color: #FFFFFF;
    top: 23px;
    right: 0;
}

.input-box {
    display: none;
    animation: sideIn 1s ease-in-out forwards;
}

@keyframes sideIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.top-input {
    width: 155px;
    height: 30px;
    background-color: #FFFFFF;
    border: none;
    font-size: 14px;
    color: #333333;
    padding-left: 10px;
    padding-right: 40px;
    position: absolute;
    top: 17px;
    right: 125px;
}

.input-icon-2 {
    width: 14px;
    height: 14px;
    background: url('../public/icon/png_2x/i_2x-03.png') no-repeat center;
    background-size: 14px 14px;
    position: absolute;
    right: 137px;
    top: 25px;
    cursor: pointer;
}

.nav {
    width: 100%;
    height: 52px;
    background-color: #FFFFFF;
    position: fixed;
    top: 112px;
    z-index: 2000;
}

.nav-box {
    width: 1200px;
    height: 52px;
    margin: 0 auto;
    display: flex;
}

.nav-item {
    position: relative;
    width: 100px;
    height: 52px;
    line-height: 52px;
    text-align: center;
    font-size: 16px;
    color: #1A1A1A;
}

.nav-hover {
    position: absolute;
    transform: translateX(-50%);
    left: 50%;
    top: 100%;
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    z-index: 1000;

}

.item-a-1,
.nav-hover a {
    width: 100px;
    height: 52px;
    display: block;
    line-height: 52px;
    text-align: center;
    font-size: 16px;
    color: #1A1A1A;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.nav-hover a {
    color: #4d4d4d;
}

.nav-hover a {
    background-color: rgba(246, 246, 246, .9);
}

.nav-item:hover .item-a-1 {
    background-color: #F2F2F2;
    color: #0066B6;
}

.nav-item:hover .nav-hover {
    opacity: 1;
    visibility: inherit;
}

.nav-hover a:hover {
    color: #0066B6;
    background-color: rgba(234, 234, 234, .9);
}

.big-img {
    width: 100%;
    height: 180px;
    background: url('../public/banner/banner.png') no-repeat center;
    background-size: 1920px 180px;
    margin-top: 164px;
}

.footer {
    width: 100%;
    height: 199px;
    background-color: #46a6e6;
}

.footer-box {
    width: 1200px;
    height: 199px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
}

.footer-logo {
    width: 365px;
    height: 72px;
    background: url('../public/icon/png_2x/i_2x-01.png') no-repeat center;
    background-size: 365px 72px;
    margin-top: 30px;
}

.footer-text {
    font-size: 12px;
    color: #FFFFFF;
    margin-top: 50px;
    margin-left: 51px;
}

.footer-text div:nth-child(2) {
    margin-top: 10px;
}

.footer-line {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, .2);
    margin-top: 10px;
    margin-bottom: 12px;
}

.footer-bottom {
    display: flex;
    font-size: 12px;
    color: rgba(255, 255, 255, .6);
}

.footer-bottom div:nth-child(2) {
    margin-left: auto;
}

.footer-link {
    margin-left: 179px;
}

.footer-link-top {
    font-size: 12px;
    color: #FFFFFF;
    margin-top: 15px;
}

.footer-link-box {
    display: flex;
    margin-top: 20px;
}

.footer-link-box a {
    display: block;
    font-size: 12px;
    color: #FFFFFF;
    margin-bottom: 8px;
}

.link-box-2 {
    margin-left: 130px;
}

.box {
    width: 100%;
    overflow: hidden;
    background: url('../public/banner/wave-2.png') no-repeat;
    background-size: 1920px 327px;
    background-position: bottom center;
    min-height: 266px;
    padding-bottom: 150px;
}

.box-top {
    width: 1200px;
    height: 52px;
    margin: 0 auto;
    display: flex;
}

.box-top-back {
    display: flex;
    cursor: pointer;
}

.box-top-back div:nth-child(1) {
    width: 12px;
    height: 12px;
    background: url('../public/icon/png_2x/i_2x-15.png') no-repeat center;
    background-size: 12px 12px;
    margin-top: 20.5px;
}

.box-top-back div:nth-child(2) {
    font-size: 14px;
    color: #666666;
    height: 52px;
    line-height: 52px;
    margin-left: 7px;
}

.box-top-crumbs {
    display: flex;
    font-size: 14px;
    color: #808080;
    height: 52px;
    line-height: 52px;
    margin-left: auto;
}

.box-top-crumbs a {
    display: block;
    font-size: 14px;
    color: #808080;
}

.box-top-crumbs div {
    margin-left: 5px;
    margin-right: 5px;
}

.box-top-line {
    width: 100%;
    height: 1px;
    background-color: #E8E8E8;
}

.acticle-top {
    width: 1200px;
    margin: 0 auto;
}

.acticle-title {
    width: 1200px;
    text-align: center;
    font-weight: bold;
    font-size: 28px;
    color: #0066B6;
    margin-top: 62px;
}

.acticle-line-1 {
    width: 1200px;
    height: 1px;
    background-color: #F0F0F0;
    margin-top: 57px;
}

.acticle-message {
    width: 1200px;
    text-align: center;
    font-size: 16px;
    color: #666666;
    margin-top: 18px;
}

.acticle-line-2 {
    width: 1200px;
    height: 1px;
    background-color: #F0F0F0;
    margin-top: 18px;
    margin-bottom: 71px;
}