* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    color: #000;
    overflow-x: hidden;
}

ul, ol, p, h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clear {
    clear: both;
}

.cl:after {
    content: '';
    clear: both;
    display: table;
}

a {
    text-decoration: none !important;
}

.ml5 {
    margin-left: 5px;
}

.ml10 {
    margin-left: 10px;
}

h1 {
    font-size: 35px;
    font-weight: 600;
}

h2 {
    font-size: 20px;
    font-weight: 600;
}

h3 {
    font-size: 18px;
}

h4 {
    font-size: 16px;
}

h5 {
    font-size: 14px;
}

h6 {
    font-size: 12px;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}
/* 关于flex */
.flex {
    display: flex;
}

.flex-wrap {
    display: flex;
    flex-wrap: wrap;
}

.flex-start-center {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.flex-start-end {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
}

.flex-start-between {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.flex-center-start {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.flex-center-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-center-end {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.flex-center-around {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

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

.flex-end-start {
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}

.flex-end-center {
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.flex-end-end {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.flex-end-between {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.flex-stretch-start {
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
}

.flex-stretch-center {
    display: flex;
    align-items: stretch;
    justify-content: center;
}

.flex-stretch-end {
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
}

.flex-stretch-between {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
}

.flex-stretch-around {
    display: flex;
    align-items: stretch;
    justify-content: space-around;
}

.w1440 {
    max-width: 90rem;
    margin: 0 auto;
}

.header {
    width: 100%;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 999;
    transition: all 0.5s;
    padding: 0 50px 20px;
}

.head_wit {
    /* background: #0048B4; */
    /* box-shadow: 0 10px 10px rgba(0, 0, 0, .1); */
}

.header::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 262px;
    bottom: 0;
    background: url(../img/home/top_bg.png) repeat-x;
    background-position: center bottom;
    transition: all 0.5s;
    z-index: -1;
    pointer-events: none;
}

.head_wit.header::before {
    height: 182px;
    /* transform: translateY(-200%); */
}

.h-top {
    padding-top: 30px;
    overflow: hidden;
}

    .h-top ul {
    }

        .h-top ul li {
        }

            .h-top ul li a {
                color: #fff;
                font-size: 14px;
                margin-left: 15px;
                padding-left: 15px;
                position: relative;
                transition: all .5s ease;
            }

                .h-top ul li a::after {
                    content: "";
                    position: absolute;
                    left: 0;
                    top: 50%;
                    transform: translateY(-50%);
                    width: 1px;
                    height: 12px;
                    background: rgba(255, 255, 255, 0.6);
                }

            .h-top ul li:nth-child(1) a {
                margin-left: 0;
                padding-left: 0;
            }

                .h-top ul li:nth-child(1) a i {
                    margin-right: 5px;
                }

                .h-top ul li:nth-child(1) a::after {
                    display: none;
                }

            .h-top ul li a span {
                display: inline-block;
                position: relative;
            }

                .h-top ul li a span::before {
                    content: "";
                    width: 0;
                    height: 2px;
                    position: absolute;
                    top: 0;
                    left: 50%;
                    transform: translateX(-50%);
                    background: #fff;
                    transition: all 0.3s;
                }

                .h-top ul li a span:hover::before {
                    width: 100%;
                }

            .h-top ul li a.search {
                display: block;
                padding-left: 0;
            }

                /*   .h-top ul li a.search:hover input#content {
                    opacity: 1;
                    width: 140px;
                }*/

                .h-top ul li a.search i {
                    position: absolute;
                    top: 50%;
                    right: 3px;
                    color: #fff;
                    transform: translateY(-50%);
                }

/*  .h-top ul li a.search:hover i {
                    color: #0048B4;
                }*/

#content {
    opacity: 0;
    width: 0;
    height: 22px;
    padding: 0 20px 0 10px;
    border: none;
    outline: none;
    transition: all .5s ease;
}

.logo {
    position: absolute;
    top: 38px;
    left: 50px;
}

    .logo a, .logo a img {
        display: block;
    }

.nav {
    margin-top: 22px;
}

    .nav > ul > li {
        margin-left: 55px;
        position: relative;
    }

        .nav > ul > li:nth-child(1) {
            margin-left: 0;
        }

        .nav > ul > li > a {
            color: #fff;
            font-size: 20px;
            position: relative;
        }
        /* .nav > ul > li:hover > a::after {
	content: "";
	position: absolute;
	left: 50%;
	margin-left: -10px;
	bottom: -20px;
	border-left: 10px solid transparent;
	border-right: 10px solid transparent;
	border-bottom: 10px solid #fefeff;
} */
        .nav > ul > li:hover .nav-second {
            display: block;
            transform: scale(1) translateX(-50%);
        }

.nav-second {
    width: 181px;
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 9999;
    padding-top: 15px;
    line-height: normal;
    transform: scaleY(0) translateX(-50%);
    transition: all 0.3s;
    transform-origin: center 20px;
}

    .nav-second::before {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 20px;
        bottom: 0;
        z-index: 8;
        background: #fff;
        box-shadow: 0 0 5px rgba(0, 0, 0, .1);
    }

    .nav-second ul {
        padding: 25px 0;
        overflow: hidden;
        position: relative;
        z-index: 9;
    }

        .nav-second ul li {
            transition: all 0.3s;
        }

            .nav-second ul li a {
                display: block;
                font-size: 18px;
                color: #333333;
                line-height: 48px;
                white-space: nowrap;
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-second ul li:hover {
                background: #E5E5E5;
            }

                .nav-second ul li:hover a {
                    color: #2446B2;
                }

.mobile-top {
    display: none;
    height: 60px;
    background: #0048B4;
    align-items: center;
    justify-content: space-between;
}

.mobile-logo {
}

    .mobile-logo a {
        display: block;
        height: 40px;
    }

        .mobile-logo a img {
            max-height: 40px;
        }

.xs_bg {
    display: none;
    opacity: 0;
    pointer-events: none;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 9;
    transition: all 0.3s ease;
}

    .xs_bg.active {
        opacity: 1;
        pointer-events: auto;
    }

.menu-link {
    cursor: pointer;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
    display: none;
}

    .menu-link span {
        width: 30px;
        height: 25px;
        display: inline-block;
        position: relative;
    }

        .menu-link span i {
            width: 100%;
            height: 3px;
            display: block;
            background: #fff;
            position: absolute;
            top: 50%;
            left: 0;
            transform: translateY(-50%);
            transition: all 0.3s ease-out;
        }

        .menu-link span::after {
            content: '';
            background: #fff;
            width: 100%;
            height: 3px;
            position: absolute;
            top: 0;
            left: 0;
            transition: all 0.3s ease-out;
            transform-origin: right top;
        }

        .menu-link span::before {
            content: '';
            background: #fff;
            width: 100%;
            height: 3px;
            position: absolute;
            bottom: 0;
            left: 0;
            transition: all 0.3s ease-out;
            transform-origin: right bottom;
        }

    .menu-link.active span:after {
        transform: rotate(-45deg);
    }

    .menu-link.active span:before {
        transform: rotate(45deg);
    }

    .menu-link.active span i {
        background: transparent;
    }

.mobile-nav {
    display: none;
    height: calc(100vh - 60px);
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    transition: all .3s ease;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    opacity: 0;
    transform: translateX(-100%);
}

    .mobile-nav.active {
        display: none;
        opacity: 1;
        transform: translateX(0);
    }

.mobile-tlink {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 15px 0;
}

    .mobile-tlink a {
        color: #fff;
        margin-right: 10px;
    }

.mobile-input {
    display: block;
    padding: 15px 15px;
    position: relative;
}

    .mobile-input input {
        width: 100%;
        height: 30px;
        color: #fff;
        outline: none;
        padding: 0 40px 0 10px;
        border: 1px solid #fff;
        background: transparent;
    }

        .mobile-input input::placeholder {
            color: rgba(255, 255, 255, 0.8);
        }

    .mobile-input i {
        color: #fff;
        position: absolute;
        top: 50%;
        right: 30px;
        transform: translateY(-50%);
        cursor: pointer;
    }

.mobile-nav ul {
    padding: 0 15px;
}

    .mobile-nav ul li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        position: relative;
    }

        .mobile-nav ul li > span.on {
            transform: rotateZ(90deg);
        }

        .mobile-nav ul li ul {
            display: none;
        }

            .mobile-nav ul li ul li {
                border: none;
            }

.mobile-nav > ul > li a {
    display: block;
    font-size: 14px;
    line-height: 20px;
    padding: 15px 0;
    position: relative;
    color: #fff;
}

.mobile-nav > ul > li ul li a {
    padding: 10px 0;
}

.mobile-nav > ul > li > span {
    position: absolute;
    width: 20px;
    height: 20px;
    background: url(../images/mobile-nav_down.png) no-repeat;
    background-size: 14px 14px;
    background-position: center center;
    right: 0;
    top: 15px;
    cursor: pointer;
    display: block;
    color: #fff;
    transition: all 0.3s;
}

.footer {
    width: 100%;
    height: 374px;
    position: relative;
}

    .footer::before {
        content: ' ';
        display: block;
        width: 100%;
        height: 100%;
        position: absolute;
        left: 0;
        top: 0;
        z-index: 0;
    }

.footer-c {
    height: 100%;
    padding-top: 80px;
    position: relative;
}

    .footer-c .ft-logo {
        display: block;
        margin-bottom: 45px;
    }

        .footer-c .ft-logo img {
            display: block;
            width: 253px;
        }

.ft-i {
    color: #fff;
    font-size: 13px;
    margin-bottom: 15px;
}

    .ft-i p {
        margin-right: 30px;
    }

.ft-btm {
    width: 100%;
    color: #fff;
    font-size: 13px;
    position: absolute;
    left: 0;
    bottom: 50px;
    z-index: 1;
    display: flex;
    justify-content: space-between;
}

    .ft-btm p {
    }

    .ft-btm div {
        display: flex;
    }

        .ft-btm div span {
        }

            .ft-btm div span:nth-child(1) {
                margin-right: 20px;
            }

.ft-icon {
}

.footer_link {
    position: absolute;
    right: 0;
    bottom: 130px;
}

    .footer_link ul li {
        position: relative;
        margin-left: 30px;
    }

        .footer_link ul li a {
            display: block;
            width: 46px;
            height: 46px;
            color: rgba(255, 255, 255, 0.6);
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
        }

            .footer_link ul li a i {
                font-size: 22px;
            }

.tooltips {
    position: absolute;
    z-index: 2;
    bottom: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(-0.5rem);
    background: #fff;
    padding: 5px;
    border-radius: .5rem;
    box-shadow: 0 2px 0.5rem rgba(0, 0, 0, 0.2);
    opacity: 0;
    pointer-events: none;
    transition: all 0.5s ease-out;
}

    .tooltips::after {
        content: '';
        width: 0;
        height: 0;
        border-top: .5rem solid #fff;
        border-left: .5rem solid transparent;
        border-right: .5rem solid transparent;
        position: absolute;
        left: 50%;
        bottom: -.5rem;
        transform: translateX(-50%);
        z-index: 2;
    }

    .tooltips img {
        width: 120px !important;
        height: 120px !important;
    }

    .tooltips .text {
        line-height: 1.6;
        color: #124350;
        text-align: center;
        white-space: nowrap;
        padding: 0 5px;
    }

.footer_link ul li:hover .tooltips {
    transform: translateX(-50%);
    opacity: 1;
    pointer-events: auto;
}

.footer_link ul li:hover a {
    color: #fff;
}