:root {
    --nav-first-bg: #082B41;
    --nav-second-bg: #0E5385;
    --nav-product-bg: #ffffff;
    --nav-text-color: #ffffff;
    --nav-hover-color: #0E5385;
    --color-primary: #0E5385;
    --color-primary-dark: #082B41;
    --color-white: #fff;
    --color-black: #000;
    --color-dark: #222;
    --color-gray: #333;
    --color-light-gray: #E4E4E4;
    --color-very-dark: #0b0b0b;
    --color-danger: #e71616;
    --color-transparent: transparent;
    --link-font-size: 18px;
    --link-font-color: #222;
    --link-font-color-hover: #0E5385;
    --max-width: 1440px;
}

/* 基础样式 */
.xpy-header-special-second * {
    box-sizing: border-box;
}

.xpy-header-special-second a {
    transition: all 0.5s;
    text-decoration: none;
}

.xpy-header-special-second a:hover {
    text-decoration: none;
}

.xpy-header-special-second ul,
.xpy-header-special-second ol,
.xpy-header-special-second li {
    margin: 0;
    list-style-type: none;
    padding: 0;
}

.xpy-header-special-second img {
    max-width: 100%;
    vertical-align: middle;
    image-rendering: -moz-crisp-edges;
    image-rendering: -o-crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
}

.xhl-content {
    width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
}

@media screen and (max-width: 1680px) {
    .xhl-content {
        width: 1320px;
    }
}

@media screen and (max-width: 1440px) {
    .xhl-content {
        width: 1120px;
    }
}

@media screen and (max-width: 1200px) {
    .xhl-content {
        width: 920px;
    }
}

@media screen and (max-width: 991px) {
    .xhl-content {
        width: 100%;
        padding: 0 40px;
    }
}

@media screen and (max-width: 768px) {
    .xhl-content {
        padding: 0 20px;
    }
}

/* 图片容器 */
.xhl_img_box {
    overflow: hidden;
    position: relative;
    display: block;
    padding-top: 100%;
}

.xhl_img_box img,
.xhl_img_box iframe,
.xhl_img_box video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s;
}

/* 特殊导航主容器 */
.xpy-header-special-second {
    display: block;
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    transition: all 0.5s;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    z-index: 998;
}

.xpy-header-special-second .flexs {
    display: flex;
}

.xpy-header-special-second .xpy-header-special-second-center {
    box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.06);
}

/* 一级分类 */
.xpy-header-special-second .xpy-special-first {
    width: 33.333333%;
    background-color: var(--nav-first-bg);
}

.xpy-header-special-second .xpy-special-first .lists li {
    transition: all 0.5s;
    background-color: transparent;
    color: var(--nav-text-color);
    font-size: 18px;
}

.xpy-header-special-second .xpy-special-first .lists li a {
    color: var(--nav-text-color);
    font-size: 18px;
    padding: 20px 20px;
    display: inline-block;
    width: 100%;
}

.xpy-header-special-second .xpy-special-first .lists li a:hover {
    text-decoration: underline;
}

.xpy-header-special-second .xpy-special-first .lists li:hover,
.xpy-header-special-second .xpy-special-first .lists li.active {
    background-color: var(--nav-hover-color);
}

/* 二级分类区域 */
.xpy-header-special-second .xpy-special-second {
    width: 66.666666%;
    background-color: var(--nav-second-bg);
}

.xpy-header-special-second .xpy-special-second .groups {
    height: 100%;
}

.xpy-header-special-second .xpy-special-second .flexs {
    display: flex;
    height: 100%;
}

.xpy-header-special-second .xpy-special-second .groups:not(:first-child) {
    display: none;
}

/* 二级分类列表 */
.xpy-header-special-second .xpy-special-second .lists {
    width: 50%;
    background-color: var(--nav-second-bg);
}

.xpy-header-special-second .xpy-special-second .lists li {
    transition: all 0.5s;
    background-color: transparent;
    color: var(--nav-text-color);
    font-size: 18px;
}

.xpy-header-special-second .xpy-special-second .lists li a {
    color: var(--nav-text-color);
    font-size: 18px;
    padding: 20px 20px;
    display: inline-block;
    width: 100%;
}

.xpy-header-special-second .xpy-special-second .lists li a:hover {
    text-decoration: underline;
}

.xpy-header-special-second .xpy-special-second .lists li:hover,
.xpy-header-special-second .xpy-special-second .lists li.active {
    background-color: var(--nav-product-bg);
}

.xpy-header-special-second .xpy-special-second .lists li:hover a,
.xpy-header-special-second .xpy-special-second .lists li.active a {
    color: var(--nav-hover-color);
}

/* 产品展示区 */
.xpy-header-special-second .xpy-special-second .show-products {
    width: 50%;
    background-color: var(--nav-product-bg);
}

.show-products-list:not(:first-child) {
    display: none;
}

.show-products-list {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: 1fr;
}

.show-products-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 150px;
    padding: 20px 25px;
    transition: all 0.5s;
}

.show-products-list a .tits {
    font-size: 18px;
    color: var(--nav-hover-color);
    line-height: 1.65;
    width: calc(100% - 120px);
    padding-right: 30px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: normal;
}

.show-products-list a .imgs {
    width: 120px;
}

.show-products-list a:hover {
    background-color: var(--color-light-gray);
}