.head_box {
    height: 80px;
}

#head {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 66;
    background-color: #fff;
}

.top_logo {
    width: 20%;
}

.top_logo a {
    display: block;
    text-align: center;
}

.top_logo a img {
    vertical-align: middle;
}

.head_nav {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.head_nav_item {
    position: relative;
    margin: 0 15px 0 10px;
    border-top: 4px solid transparent;
}

#head .head_nav_item:hover,
#head .two_nav_item:hover,
#head .nav_active {
    transition: all 0.5s;
    border-top-color: #000;
}

.head_nav_item>a {
    display: block;
    padding: 8px;
    line-height: 48px;
}

.head_nav_item:hover .two_nav_list {
    display: block;
}

.two_nav_list {
    display: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    min-width: 100%;
    padding: 15px 5px 0;
    background-color: #fff;
    z-index: 99;
}

.two_nav_item {
    border-top: 4px solid transparent;
    /* padding: 0 10px; */
}

.two_nav_item a {
    display: block;
    padding: 5px 8px 8px;
}

.head_r {
    width: 20%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.head_r_item {
    margin: 0 5px;
}

/* banner */
#banner {
    width: 100%;
}

#banner img {
    width: 100%;
    max-height: 1900px;
}

/*包裹自定义分页器的div的位置等CSS样式*/
.swiper-container .swiper-pagination-custom {
    bottom: 2%;
    right: 50%;
    height: 20px;
    text-align: center;
}

/*自定义分页器的样式，这个你自己想要什么样子自己写*/
.swiper-pagination-customs {
    width: 12px;
    height: 12px;
    display: inline-block;
    border-radius: 50%;
    border: 2px solid #fff;
    box-sizing: border-box;
    background-color: #999;
    opacity: .6;
    /* box-shadow: 0 0 2px #000; */
    margin: 0 5px;
    outline: 0;
}

/*自定义分页器激活时的样式表现*/
.swiper-pagination-customs-active {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    box-sizing: border-box;
    opacity: 1;
    background-color: transparent;
}

/* 自定义导航按钮 颜色 */
.swiper-container {
    /* 设置Swiper风格 */
    /* --swiper-theme-color: #ff6600; */
    /* 单独设置按钮颜色 */
    --swiper-navigation-color: #fff;
    /* 设置按钮大小 */
    --swiper-navigation-size: 44px;
}

#banner .swiper-button-next {
    right: 90px;
}

#banner .swiper-button-prev {
    left: 90px;
}

.w {
    width: 970px;
    margin: 0 auto;
}

.bottom_infor {
    line-height: 58px;
    text-align: center;
    font-size: 18px;
}

.bottom_infor a {
    text-decoration: underline;
}

/* 尾部 */
#foot {
    position: relative;
    padding: 60px 0 20px;
    background-color: #2F2E2E;
}

.foot_top_box {
    display: flex;
    justify-content: space-between;
}

.foot_logo {
    width: 165px;
    margin-top: 25px;
}

.foot_form {
    padding: 25px 20px 10px;
    display: flex;
    justify-content: center;
}

.foot_form_input {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 260px;
    height: 40px;
    margin-right: 10px;
    border-bottom: 1px solid #fff;
}

.foot_form_input_icon {
    margin: 0 10px;
}

.foot_form_input_text {
    height: 40px;
    width: 220px;
    padding: 8px;
    color: #fff;
    font-size: 16px;
    background-color: transparent;
    box-sizing: border-box;
}

.foot_form_input_text:focus {
    outline: none;
    border: 2px solid #3899EC;
}

.foot_form_submit {
    width: 120px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    font-size: 18px;
    color: #865E5E;
    background-color: #fff;
    cursor: pointer;
}

.foot_top_r {
    text-align: right;
}

.foot_top_item a {
    font-size: 18px;
    color: #fff;
}

.foot_top_item {
    line-height: 30px;
}

.foot_top_item:first-child {
    margin-bottom: 35px;
}

.foot_division {
    position: absolute;
    top: 190px;
    left: 0;
    width: 70%;
    border-bottom: 1px solid #fff;
}

.foot_btm {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}

.foot_copyright {
    flex: 1;
    margin-right: 20px;
    font-size: 18px;
    color: #fff;
}

.foot_link {
    display: flex;
}

.foot_link_item a {
    display: block;
    width: 38px;
    height: 38px;
}

.foot_link_item a img {
    width: 100%;
    height: 100%;
}