*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'MiSans', "黑体";
    box-sizing: border-box;
}
a{
    text-decoration: none;
    color: inherit;
    background: none;
    border: none;
}


/* 本地字体 - 细体 */
@font-face {
    font-family: 'MiSans';
    src: url('https://bp-small-program-static-file.oss-cn-beijing.aliyuncs.com/appweb/config/font/MISANS-LIGHT.TTF') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-FFFF;
}

/* 本地字体 - 常规 */
@font-face {
    font-family: 'MiSans';
    src: url('https://bp-small-program-static-file.oss-cn-beijing.aliyuncs.com/appweb/config/font/MISANS-NORMAL.TTF') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-FFFF;
}

/* 本地字体 - 中等 */
@font-face {
    font-family: 'MiSans';
    src: url('https://bp-small-program-static-file.oss-cn-beijing.aliyuncs.com/appweb/config/font/MiSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-FFFF;
}


/* 系统字体备用方案 */
@font-face {
    font-family: 'System Fonts';
    src: local('Microsoft YaHei'), local('Helvetica Neue'), local('Arial');
    font-weight: 300 500;
    font-style: normal;
    font-display: swap;
}

* {
    font-family: 'MiSans', "黑体";
    letter-spacing: 0.1em;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'MiSans', "黑体";
}

body {
    width: 100vw;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    background-size: 100% 100%;
}

/* 顶部导航栏 */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    box-sizing: border-box;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
}

/* 导航栏隐藏状态 */
.top-nav.hidden {
    transform: translateY(-100%);
}

/* 左侧Logo区域 */
.top-nav .top-logo {
    flex: 0 0 auto;
}

/* 右侧导航和搜索区域 */
.top-nav .nav-right {
    display: flex;
    align-items: center;
    /* gap: 30px; */
    flex: 0 0 auto;
}

.top-nav .nav-right:first-child {
    margin-left: 50px;
}

/* 顶部Logo */
.top-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.top-logo img {
    height: 35px;
    margin-left: 24px;
    object-fit: contain;
}

.top-logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.top-logo-text .main-title {
    font-size: 24px;
    font-weight: bold;
    color: #8c8d90;
    margin: 0;
    line-height: 1.2;
}

.top-logo-text .sub-title {
    font-size: 14px;
    color: #666;
    margin: 0;
    line-height: 1.2;
}

/* 顶部菜单 */
.top-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-right: 26px;
}

.top-menu-item {
    position: relative;
}

.top-menu-item a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    display: block;
}

/* .top-menu-item a:hover {
  transform: translateY(-2px);
  color: #f08c1c;
} */

/* .top-menu-item.active a {
  color: #f08c1c;
} */

/* 菜单项底部小三角指示器 */
.top-menu-item::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #f08c1c;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.top-menu-item:hover::after,
.top-menu-item.active::after {
    opacity: 1;
}

/* 子菜单样式 */
.submenu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100vw;
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(20px);
    border-radius: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10001;
    margin-top: 0;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: stretch;
    padding: 0;
    min-height: 200px;
}

.top-menu-item:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 20px;
}

.submenu-item:first-child {
    border-radius: 0;
}

.submenu-item:last-child {
    border-radius: 0;
}

.submenu-item:only-child {
    border-radius: 0;
}

.submenu-item a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: all 0.3s ease;
    border-radius: 0;
    transform: none;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

/* .submenu-item a:hover {
  background: #f08c1c;
  color: #fff;
  transform: none;
} */

.submenu-item:first-child a:hover {
    border-radius: 0;
}

.submenu-item:last-child a:hover {
    border-radius: 0;
}

.submenu-item:only-child a:hover {
    border-radius: 0;
}

/* 方案项目样式 */
.fangan-item {
    flex: 1;
    margin: 0 8px;
    /* margin: 50px 16px; */
}

.fangan-item:first-child {
    margin-left: 0;
}

.fangan-item:last-child {
    margin-right: 0;
}

.fangan-item a {
    display: block;
    width: 100%;
    height: 100%;
    /* border-radius: 8px; */
    overflow: hidden;

    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fangan-item a:hover {
    transform: translateY(-0.5px);
    /* box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15); */
}

.fangan-item img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: 8px;
}

/* 关于北鹏菜单特殊样式 - 竖向布局 */
.top-menu-item:nth-child(4) .submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    flex-direction: column;
    width: auto;
    min-width: 200px;
    padding: 20px;
    align-items: flex-start;
    margin-top: 20px;
    box-sizing: border-box;
}

.top-menu-item:nth-child(4) .submenu-item {
    width: 100%;
    margin-bottom: 8px;
    padding: 0;
}

.top-menu-item:nth-child(4) .submenu-item:last-child {
    margin-bottom: 0;
}

.top-menu-item:nth-child(4) .submenu-item a {
    text-align: left;
    padding: 8px 12px;
    /* border-radius: 4px; */
    transition: all 0.2s ease;
}

.top-menu-item:nth-child(4) .submenu-item a:hover {
    background: #f8f9fa;
    color: #f08c1c;
}

/* 特殊子菜单项样式 - 包含主标题和子链接 */
.submenu-item>div:first-child {
    width: 100%;
    margin-bottom: 12px;
}

.submenu-item>div:first-child a {
    color: #8c8d90;
    font-weight: 450;
    font-size: 14px;
    padding: 8px 0;
    border-bottom: 1px solid #f08c1c;
    /* margin-bottom: 12px; */
    display: block;
    text-decoration: none;
    transition: all 0.2s ease;
    text-align: left;
}


.submenu-item>div:last-child {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 100%;
}

.submenu-item>div:last-child a {
    font-size: 12px;
    padding: 0px 4px;
    color: #000;
    font-weight: 300;
    border-bottom: none;
    text-align: left;
    transition: all 0.2s ease;
    /* border-radius: 4px; */
    text-decoration: none;
}

.submenu-item>div:last-child a:hover {
    background: #ef8a1a;
    transition: background 0.2s ease;
}


/* 搜索框样式 */
.search {
    position: relative;
    width: 260px;
    height: 36px;
    display: flex;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.search input {
    flex: 1;
    height: 100%;
    border: none;
    outline: none;
    padding: 0 16px;
    font-size: 14px;
    background: #fff;
    border-radius: 20px 0 0 20px;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.search input:focus {
    box-shadow: 0 0 0 2px rgba(240, 140, 28, 0.3);
}

.search button {
    width: 60px;
    height: 100%;
    border: none;
    background: rgba(240, 140, 28, 0.8);
    backdrop-filter: blur(10px);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    border-radius: 0 20px 20px 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.search button:hover {
    background: rgba(224, 122, 10, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 语言选择器样式 */
.language-selector {
    position: relative;
    margin-left: 16px;
    margin-top: 4px;
}

.language-toggle {
    max-width: 30px;
    max-height: 30px;
    /* background: #fff; */
    border-radius: 50%;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #8c8d90;
    transition: all 0.2s ease;
    box-shadow: 0 2px 12px rgba(209, 209, 209, 0.1);
}

.bread-crumb {
    width: 93%;
    margin: 0 auto 0px auto;
    padding: 8px 0;
    box-sizing: border-box;
    color: #8c8d90;
    font-size: 18px;
    font-weight: 500;
}

.bread-crumb a {
    color: #8c8d90;
    font-size: 16px;
    font-weight: 450;
    text-decoration: none;
    transition: all 0.2s ease;
    margin: 0 5px;
    margin-left: 0;
}


/* 主内容区域 */
.main-content {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    min-height: calc(100vh - 80px);
    overflow-y: visible;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
}

.main-content::-webkit-scrollbar {
    width: 8px;
}

.main-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.main-content::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.main-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* 内容容器 */
.content-container {
    width: 100%;
    min-height: 100%;
    padding: 0;
    box-sizing: border-box;
    position: relative;
}


.content-body {
    width: 100%;
    padding: 0 5vw;
    box-sizing: border-box;
}

.content-body-content {
    width: 100%;
    box-sizing: border-box;
}

/* 页面标题区域 */
.page-header {
    text-align: center;
    padding: 0;
    background-image: url('/skin/ajrh7mmqlo8w.jpg');
    background-size: 100% 680px;
    background-repeat: no-repeat;
    background-position: center top;
    margin-bottom: 40px;
    height: 680px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    animation: pageHeaderZoomIn 1.2s ease-out forwards;
}

/* 页面加载时的放大动画 */
@keyframes pageHeaderZoomIn {
    0% {
        transform: scale(1);
        opacity: 0;
    }
    100% {
        transform: scale(1.02);
        opacity: 1;
    }
}

/* 鼠标悬停时的放大效果 */
.page-header:hover {
    transition: transform 0.5s ease;
}

.page-header:hover::after {
    transform: scale(1.03);
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: inherit;
    background-size: inherit;
    background-repeat: inherit;
    background-position: inherit;
    z-index: 0;
    transition: transform 0.5s ease;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: rgba(0, 0, 0, 0.3); */
    z-index: 1;
}

/* 确保所有子元素显示在背景之上 */
.page-header > * {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 20px 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
    opacity: 1;
    transform: translateY(0);
}

.page-title.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.page-subtitle {
    font-size: 18px;
    color: #fff;
    margin: 0;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
    opacity: 1;
    transform: translateY(0);
}

.page-subtitle.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.content-body-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}









.title-line {
    height: 2px;
    background: linear-gradient(to right, transparent, #f08c1c, transparent);
    margin-top: 15px;
    width: 200px;
    margin-left: auto;
    margin-right: auto;
}





.page-btn {
    display: inline-block;
    padding: 12px 16px;
    background: #fff;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 44px;
    text-align: center;
}

.page-btn:hover {
    background: #f08c1c;
    color: #fff;
    transform: translateY(-2px);
}

.page-btn.active {
    border-bottom: 1px solid #f08c1c;
}






/* 底部内容区域 */
.paging-overlay {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    min-height: 100vh;
    pointer-events: auto;
    background: #fff;
    color: #000;
    box-sizing: border-box;
    border-top: 1px solid #b9b9b9;
    margin-top: 0;
    overflow: hidden;
}

.paging-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    /* height: 100%; */
    background: linear-gradient(-60deg,
            transparent 0%,
            transparent 45%,
            rgba(255, 255, 255, 0.3) 48%,
            rgba(255, 255, 255, 0.8) 50%,
            rgba(255, 255, 255, 0.3) 52%,
            transparent 55%,
            transparent 100%);
    animation: lightSweep 20s ease-in-out infinite;
    z-index: 1;
}

@keyframes lightSweep {
    0% {
        left: -100%;
    }

    50% {
        left: 100%;
    }

    100% {
        left: 100%;
    }
}


.product-title {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f4f4f6;
    margin: 0;
    padding: 0;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}

.product-title img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.guanzhu {
    box-sizing: border-box;
    width: 100%;
    padding: 0 10vw;
    margin: 0 auto;
    margin-top: 138px;
    display: flex;
    border-bottom: 1px solid #b9b9b9;
    padding-bottom: 20px;
}

.guanzhu-left {
    width: 75%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.guanzhu-left p {
    font-family: "黑体", "SimHei", sans-serif;
    font-size: 30px;
    color: #8c8d90;
    margin: 0 0 10px 0;
}

.guanzhu-images {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
    box-sizing: border-box;
    padding-right: 70px;
}

.guanzhu-images img {
    width: 50px;
    height: 80px;
    object-fit: contain;
}

.guanzhu-images img:nth-child(6) {
    width: 110px;
}

.guanzhu-right {
    width: 25%;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
}

.footer-menu {
    box-sizing: border-box;
    width: 100%;
    padding: 0 10vw;
    margin: 0 auto;
    display: flex;
    margin-top: 68px;
}

.footer-menu-left {
    width: 75%;
    display: flex;
    font-size: 20px;
    font-weight: bold;
}

.footer-menu-left-item {
    text-align: left;
    margin-right: 50px;
}

.footer-menu-left-item>p {
    flex-shrink: 0;
    margin-right: 20px;
    min-width: 80px;
}

.footer-menu-left-item>div {
    display: flex;
    flex-direction: column;
    flex: 1;
    font-weight: normal;
}

.footer-menu-left-item p {
    font-size: 20px;
    font-weight: 500;
    color: #1d1d1f;
    margin: 0 0 10px 0;
}

.footer-menu-left-item a {
    color: #8c8d90;
    text-decoration: none;
    font-size: 14px;
    margin: 8px 0;
    display: block;
}

.footer-menu-left-item a:hover {
    color: #f08c1c;
}

.footer-menu-left-item span {
    display: flex;
    align-items: center;
    margin: 5px 0;
}

.footer-menu-left-item span img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

.footer-menu-left-item span p {
    font-size: 14px;
    color: #8c8d90;
    margin: 0;
    font-weight: normal;
}

.footer-menu-right {
    width: 25%;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.footer-menu-right img {
    max-width: 160px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin-bottom: 10px;
}

.footer-menu-right p {
    font-size: 20px;
    color: #8c8d90;
    margin: 0;
    text-align: center;
    width: 160px;
}

.copyright {
    box-sizing: border-box;
    width: 100%;
    padding: 0 10vw;
    margin: 0 auto;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    padding-bottom: 20px;
}

.copyright-left {
    flex: 1;
}

.copyright-left p {
    font-size: 12px;
    color: #8c8d90;
    margin: 0;
    line-height: 1.5;
}

.copyright-right {
    display: flex;
    gap: 20px;
}

.copyright-right a {
    font-size: 12px;
    color: #8c8d90;
    text-decoration: none;
    transition: color 0.3s ease;
}

.copyright-right a:hover {
    color: #f08c1c;
}

.guanzhu-right-p1 {
    margin-top: 43px;
    font-size: 32px;
    color: #8c8d90;
    margin-bottom: 0;
    font-weight: bold;
}

.guanzhu-right-p2 {
    font-size: 16px;
    color: #8c8d90;
    margin-top: 4px;
}



/* 产品详情容器样式 */
.product-detail-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto 40px auto;
    padding: 30px 0;
    box-sizing: border-box;
    display: flex;
    gap: 20px;
    min-height: calc(100vh - 200px);
}

/* 左侧内容区域（可滚动） */
.product-detail-left-content {
    width: 850px;
    max-width: 850px;
    flex-shrink: 0;
    overflow-y: auto;
    overflow-x: hidden;
    /* padding-right: 20px; */
}

/* 产品主图区域 */
.product-main-image-section {
    margin-bottom: 40px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.product-main-image {
    width: 100%;
    height: 800px;
    overflow: hidden;
    border-radius: 12px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0.5px solid #f7f7f7;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}



/* 右侧产品信息区域（固定不滚动） */
.product-detail-right-fixed {
    position: sticky;
    top: 100px;
    width: 800px;
    height: calc(100vh - 20px);
    max-height: calc(100vh - 20px);
    overflow-y: auto;
    background: #fff;
    border-radius: 8px;

    box-sizing: border-box;
    transition: all 0.3s ease;

}

/* 滚动时右侧固定区域的样式调整 */
.product-detail-right-fixed.scrolled {

    transform: translateY(2px);
    top: 5px;

}

.product-detail-right-fixed-top {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 50px;
    background-color: #159042;
    padding: 0 20px;
    box-sizing: border-box;
}

.product-detail-right-fixed-top-left img {
    width: 100%;
    height: 100%;
    max-height: 26px;
    object-fit: contain;
}

.product-detail-right-fixed-top-right {
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.product-detail-right-fixed-top-right:hover {
    transform: scale(1.1);
    opacity: 0.8;
}

.product-detail-right-fixed-top-right img {
    width: 100%;
    height: 100%;
    max-height: 18px;
    object-fit: contain;
}

.product-info {
    width: 100%;
    margin-top: 50px;
    padding: 0 20px 20px 20px;
    box-sizing: border-box;
    letter-spacing: 0;
}

.product-name {
    font-size: 28px;
    font-weight: 450;
    color: #1d1d1f;
    margin: 0;
    line-height: 1.3;
    letter-spacing: 0;
}

.product-enName {
    font-size: 14px;
    font-weight: 450;
    color: #1d1d1f;
    margin: 0;
    line-height: 1.3;
    letter-spacing: 0;
}

.product-meta {
    margin-bottom: 30px;
    letter-spacing: 0;
}


.product-meta>div {
    display: flex;
    margin-bottom: 12px;
    align-items: flex-start;
}

.product-meta .label {
    font-size: 14px;
    font-weight: 500;
    color: #666;
    min-width: 80px;
    flex-shrink: 0;
}

.product-meta .value {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
    flex: 1;
}

.product-features {
    font-size: 18px;
    font-weight: 550;
    color: #1d1d1f;
    line-height: 1.5;
    margin: 0;
    margin-bottom: 20px;
}

/* 预计出货时间 */
.product-estimated-delivery-time {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    letter-spacing: 0;
}

.product-estimated-delivery-time-left {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    letter-spacing: 0;
}

.product-estimated-delivery-time-left-label {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin-right: 10px;
    letter-spacing: 0;
}

.product-estimated-delivery-time-left-value {
    background: #f08b1a;
    font-size: 14px;
    color: #fff;
    line-height: 1.5;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    /* border-radius: 4px; */
    position: relative;
    letter-spacing: 0;
}

.product-estimated-delivery-time-left-value-tian {
    font-weight: 500;
    color: #fff;
    position: relative;
    display: flex;
    align-items: center;
    letter-spacing: 0;
    min-width: 85px;
    letter-spacing: 0.1em;
}

.product-estimated-delivery-time-left-value-status {
    font-weight: 600;
    color: #fff;
    background: #159042;
    /* border-radius: 6px; */
    letter-spacing: 0.1em;
    height: 180%;
    /* 让其高度稍微长出“tian” */
    display: flex;
    align-items: center;
    padding: 0 12px;
    margin-left: 10px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0px;
    z-index: 1;
    box-sizing: border-box;
}



.product-estimated-delivery-time-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    letter-spacing: 0;
}

.evaluation-number {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin-right: 10px;
    position: relative;
    padding-right: 10px;
    letter-spacing: 0;
}

.evaluation-number::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 1em;
    border-right: 1px solid #8c8d90;
    display: block;
    letter-spacing: 0;
}

.genuine-product {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin-right: 10px;
    letter-spacing: 0;
}

/* 优势 */
.youshi {
    margin-top: 20px;
    padding-top: 20px;
    /* border-top: 1px solid #e0e0e0; */
    display: flex;
    justify-content: space-between;
}

.youshi-content {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.youshi-item {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: start;
}

.youshi-item:first-child {
    justify-content: start;
}

.youshi-item:nth-child(2) {
    justify-content: center;
}

.youshi-item:last-child {
    justify-content: end;
}


.youshi-item-img {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.youshi-item-img img {
    height: 40px;
    width: 40px;
    object-fit: cover;
}

.youshi-item-title {
    font-size: 14px;
    font-weight: 500;
    color: #666;
    line-height: 1.5;
    margin-right: 10px;
    margin-left: 20px;
    letter-spacing: 0;
    display: flex;
    align-items: center;
    height: 40px;
    /* 确保与图片高度一致 */
}

/* 区域联动菜单样式 */
.address-select-group {
    display: flex;

}

.address-select {
    flex: 1;
    padding: 0;
    font-size: 14px;
    color: #7b7d80;
    cursor: pointer;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
    border: none;
}

/* 当只有两个选择框时，让它们各占一半宽度 */
.address-select-group:has(.address-select:nth-child(2):last-child) .address-select {
    flex: 1;
}

.address-select:focus {
    outline: none;

}

.address-select:hover {
    border-color: #f08c1c;
}

.address-select option {
    padding: 8px 12px;
    font-size: 14px;
}

.wuliu {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: start;
    height: 50px;
    gap: 10px;
}

.wuliu-kefu {
    font-size: 14px;
    color: #1e9449;
    text-align: center;
    border-right: 1px solid #7b7d80;
    border-left: 1px solid #7b7d80;
    padding: 0 10px;
}

.wuliu-time {
    font-size: 14px;
    color: #7b7d80;
    text-align: center;
}

.fukuan {
    display: flex;
    align-items: center;
    justify-content: start;
    height: 50px;
    gap: 10px;
    margin-bottom: 50px;
}

.fukuan-title {
    font-size: 14px;
    color: #7b7d80;
    text-align: center;
}

.fukuan-content {
    display: flex;
    align-items: center;
    justify-content: start;
    height: 50px;
    gap: 10px;
    margin-top: 25px;

}

.fukuan-item {
    font-size: 14px;
    color: #7b7d80;
    text-align: center;
    padding: 10px 20px;
    border-radius: 5px;
}



.product-description {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid #e0e0e0;
}

.product-description h5 {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0 0 12px 0;
}

.product-description p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.product-specification {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    align-items: flex-start;
}

.product-specification .label {
    font-size: 14px;
    font-weight: 500;
    color: #666;
    min-width: 80px;
    flex-shrink: 0;
}

.product-specification .value {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
    flex: 1;
}


/* 产品详情区域样式 */
.content-center-specification {
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow: hidden;
}

.product-specification-content {
    width: 100%;
    background: #fff;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 0px 3px rgba(0, 0, 0, 0.1);
    padding: 0px;
    box-sizing: border-box;
    overflow: hidden;
}

.specification-content {
    margin-top: 40px;
    overflow: hidden;
    word-wrap: break-word;
    word-break: break-word;
}

.specification-title {
    font-size: 28px;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0 0 0px 0;
    text-align: left;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
    padding: 20px;
    box-sizing: border-box;
}

.specification-title.scroll-into-view {
    opacity: 1;
    transform: translateY(0);
}

.specification-title::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 45px;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #f08c1c, #e07a0a);
    border-radius: 2px;
}

.specification-content {
    margin-top: 40px;
}

.specification-item {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.specification-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}


.specification-text {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin: 0;
    box-sizing: border-box;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.specification-text img {
    margin: 0;
    padding: 0;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    box-sizing: border-box;
    display: block;
}

.specification-text table {
    max-width: 100%;
    table-layout: fixed;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.specification-text td,
.specification-text th {
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 0;
}

.specification-text pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    overflow-x: auto;
}

.specification-text code {
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.specification-text iframe {
    max-width: 100%;
    height: auto;
}

.specification-text video {
    max-width: 100%;
    height: auto;
}

.specification-text * {
    max-width: 100%;
    box-sizing: border-box;
}



.footer-menu-left-item span img {
    width: 28px;
    height: 28px;
}

.footer-menu-right img {
    max-width: 160px;
}

.footer-menu-right-p1 {
    font-size: 24px;
}

.footer-menu-right-p2 {
    font-size: 24px;
}

.footer-menu-right-p2 {
    font-size: 24px;
}

#pc-product-details {
    display: block;
}

#mobile-product-details {
    display: none;
}

.mobile-copyright {
    display: none;
}


/* 移动端导航样式 */
.mobile-top-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    height: 60px;
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    z-index: 10000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
}

/* 确保移动端导航不会超出屏幕宽度 */
@media (max-width: 1200px) {
    .mobile-top-nav {
        width: 100vw;
        max-width: 100vw;
        left: 0;
        right: 0;
    }
}

.mobile-top-nav .mobile-top-menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 10px;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
}

.mobile-logo {
    display: flex;
    align-items: center;
    height: 100%;
    flex: 0 1 auto;
    max-width: calc(100% - 50px);
    min-width: 0;
    overflow: hidden;
}

.mobile-logo img {
    height: 35px !important;
    width: auto !important;
    max-width: 100% !important;
    object-fit: contain !important;
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 1px;
    background: #333;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10001;
}

.mobile-menu-dropdown.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu-item {
    border-bottom: 1px solid #f8f9fa;
}

.mobile-menu-item:last-child {
    border-bottom: none;
}

.mobile-menu-link {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.mobile-menu-link:hover {
    background: #f8f9fa;
    color: #f08c1c;
    text-decoration: none;
}

.mobile-menu-link.active {
    background: #f08c1c;
    color: #fff;
}

/* 移动端子菜单样式 */
.mobile-menu-item-submenu-title {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
    display: block;
}

.mobile-menu-item-submenu {
    display: none;
    padding-left: 20px;
    background: #f8f9fa;
    margin-top: 0px;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-item-submenu.show {
    display: block;
}
.mobile-menu-item-submenu.show > .mobile-menu-link{
    display: none;
}

.mobile-menu-item-submenu a {
    display: block;
    padding: 12px 16px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    border-bottom: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.mobile-menu-item-submenu a:last-child {
    border-bottom: none;
}

.mobile-menu-item-submenu a:hover {
    background: #e9ecef;
    color: #f08c1c;
    text-decoration: none;
}

/* 子菜单展开/收起指示器 */
.mobile-menu-item.has-submenu .mobile-menu-link {
    position: relative;
}

.mobile-menu-item.has-submenu .mobile-menu-link::after {
    content: '▼';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: #666;
    transition: transform 0.3s ease;
}

.mobile-menu-item.has-submenu .mobile-menu-link.expanded::after {
    transform: translateY(-50%) rotate(180deg);
}


/* 响应式设计 1500px */
@media (max-width: 1500px) {
    .page-header{
        height: 500px;
        background-size: 100% 450px;
    }

    /* 导航栏调整 */
    .page-header::before {
        background: none;

    }

    .top-nav {
        height: 60px;
    }

    .top-menu-item a {
        font-size: 12px;
    }

    .submenu {
        height: 60px;
        top: 60px;
    }
    .top-menu-item:hover .submenu{
        height: auto;

    }

    .submenu-item>div:first-child a {
        font-size: 12px;
    }

    .submenu-item>div:last-child a {
        font-size: 10px;
    }

    .submenu-item>div:last-child {
        gap: 2px;
    }

    .submenu-item {
        padding: 5px;
    }

    .specification-title {
        font-size: 20px;
    }

    .specification-title::after {
        left: 32px;
        height: 2px;
    }

    .related-products-title {
        font-size: 20px;
    }

    .product-item {
        flex: 0 0 280px;
        border-radius: 6px;
        height: 400px;
    }

    .product-image {
        height: 280px;
    }

    .product-title {
        font-size: 12px;
    }

    .product-description p {
        font-size: 10px;
    }

    .search {
        height: 28px;
    }

    .search input {
        font-size: 12px;
    }

    .searchButton {
        font-size: 12px;
    }

    .search button {
        font-size: 12px;
    }






    .bread-crumb {
        /* transform: scale(0.8); */
        width: 100%;
    }

    .product-detail-left-content {
        width: 600px;
        max-width: 600px;
    }

    .product-main-image-section {
        height: 600px;
        width: 600px;
        max-width: 600px;
    }

    .product-main-image {
        height: 600px;
        width: 600px;
        max-width: 600px;
    }

    .product-name {
        font-size: 20px;
    }

    .product-enName {
        font-size: 12px;
    }

    .product-description {
        padding-top: 10px;
    }

    .product-estimated-delivery-time-left-label {
        font-size: 12px;
    }

    .product-estimated-delivery-time-left-value {
        font-size: 12px;
        padding: 2px 5px;
    }

    .product-estimated-delivery-time-left-value-status {
        padding: 0 5px;
    }

    .product-estimated-delivery-time-left-value-tian {
        min-width: 60px;
    }

    .evaluation-number {
        font-size: 12px;
    }

    .genuine-product {
        font-size: 12px;
    }

    .youshi-item-img img {
        height: 26px;
        width: 26px;
    }

    .youshi-item-title {
        margin-right: 0px;
        font-size: 10px;
        height: 26px;
        margin-left: 10px;
    }

    .wuliu {
        gap: 5px;
        height: 26px;
        font-size: 10px;
    }

    .address-select {
        font-size: 10px;
        padding: 0 5px;
    }

    .address-select-group {
        gap: 5px;
    }

    .wuliu-kefu {
        font-size: 10px;
        padding: 0 5px;
    }

    .wuliu-time {
        font-size: 10px;
        padding: 0 5px;
    }

    .fukuan-title {
        font-size: 12px;
    }

    .fukuan-item {
        font-size: 12px;
        padding: 8px 16px;
    }

    .right-btn {
        font-size: 12px;
    }

    .danwei-title {
        font-size: 12px;
    }

    .danwei-content {
        font-size: 12px;
    }

    .product-detail-right-fixed-bottom {
        width: 38.7%;
    }

    .product-detail-right-fixed.scrolled>.product-detail-right-fixed-bottom {
        width: 100%;
    }


    /* 相关产品 */
    .product-list {
        padding: 20px;
    }

    .product-content {
        padding: 6px;
    }

    .product-bottom>.product-description {
        font-size: 10px;
    }

    .product-bottom>.product-button {
        width: 7%;
        min-width: 50px;
        max-width: 90px;
        background: #159042;
        color: #fff;
        font-size: 7px;
        font-weight: 200;
        text-align: center;
        padding: 4px 7px;
        border-radius: 2px;
        transition: all 0.2s ease;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-left: auto;
    }





    /* 底部固定区域整体缩小 */
    .guanzhu {
        padding: 0 4vw;
        margin-top: 100px;
    }

    .guanzhu-left p {
        font-size: 22px;
    }

    .guanzhu-images img {
        width: 28px;
        height: 39px;
    }

    .guanzhu-images img:nth-child(6) {
        width: 77px;
    }

    .guanzhu-right-p1 {
        margin-top: 16px;
        font-size: 24px;
    }

    .footer-menu {
        padding: 0 4vw;
    }

    .footer-menu-left-item p {
        font-size: 14px;
        min-width: 100px;
    }

    .footer-menu-left-item a {
        font-size: 10px;
        margin: 4px 0;
    }

    .footer-menu-left-item {
        margin-right: 46px;
    }

    .footer-menu-right img {
        max-width: 100px;
    }

    .footer-menu-right p {
        font-size: 14px;
        width: 100px;
    }

    .footer-menu-left-item span p {
        font-size: 10px;
    }

    .footer-menu-left-item span img {
        width: 20px;
        height: 20px;
    }

    .copyright {
        padding: 15px 4vw;
    }

    .copyright-left p {
        font-size: 10px;
    }

    .copyright-right a {
        font-size: 10px;
    }
}



/* 响应式设计 1200px  移动端，主要适配736px以下的移动设备*/
@media (max-width: 1200px) {
    .top-nav {
        display: none;
    }

    .mobile-top-nav {
        display: block;
    }

    .page-header {
        display: none;
    }

    /* 调整主内容区域顶部边距以适应移动端导航 */
    .main-content {
        margin-top: 60px;
    }

    .bread-crumb {
        padding: 0 10px;
    }

    .bread-crumb a {
        font-size: 10px;
        margin: 0;
        font-weight: 200;
    }

    .content-body {
        padding: 0;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
    }

    /* 确保 content-body-content 是弹性容器 */
    .content-body-content {
        display: flex;
        flex-direction: column;
    }

    .product-detail-container {
        max-width: 100%;
        box-sizing: border-box;
        padding: 0;
        display: block;
        margin: 0;
        order: 1;
        /* 确保产品详情容器在上方 */
    }

    .product-detail-left-content {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    .product-main-image-section {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        height: auto;
    }

    .product-main-image {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        height: auto;
        border-radius: 0;
    }

    #pc-product-details {
        display: none;
    }

    #mobile-product-details {
        display: block;
    }

    .product-detail-right-fixed {
        position: static;
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        height: auto;
        border-radius: 0;
        margin-top: -2px;
    }

    .product-detail-right-fixed-bottom {
        position: static;
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0 10px;
        box-sizing: border-box;
        height: auto;
        border-radius: 0;
    }

    .product-detail-right-fixed-top {
        height: 40px;
        padding: 0 10px;
    }

    .product-detail-right-fixed-top-left img {
        height: 18px;
    }

    .product-detail-right-fixed-top-right img {
        height: 15px;
    }

    .product-enName {
        font-size: 10px;
    }

    .product-info {
        margin-top: 10px;
        padding: 0 10px;
    }

    .product-name {
        font-size: 16px;
    }

    .product-meta {
        margin-bottom: 10px;
    }

    .product-estimated-delivery-time {
        flex-direction: column;
        align-items: start;
        justify-content: space-between;
    }

    .product-estimated-delivery-time-left {
        /* flex-direction: column; */
        align-items: flex-start;
        justify-content: space-between;
        width: 100%;
        margin-bottom: 10px;
    }

    .youshi {
        padding-top: 0;
    }

    .product-estimated-delivery-time-left-label {
        font-size: 10px;
    }

    .product-estimated-delivery-time-left-value {
        font-size: 10px;
    }

    .product-estimated-delivery-time-left-value-tian {
        font-size: 10px;
    }

    .product-estimated-delivery-time-left-value-status {
        font-size: 10px;
    }

    .product-estimated-delivery-time-right {
        font-size: 10px;
    }

    .evaluation-number {
        font-size: 10px;
    }

    .genuine-product {
        font-size: 10px;
    }

    .youshi-item-img img {
        width: 12px;
        height: 12px;
    }

    .youshi-item-title {
        height: 12px;
        margin-left: 4px;
    }

    .wuliu-time {
        display: none;
    }

    .wuliu-kefu {
        border-right: none;
        padding: 0 0 0 5px;
        font-size: 10px;
    }

    .address-select-group {
        gap: 5px;
    }

    .address-select {
        padding: 0;
    }

    .address-select-group:has(.address-select:nth-child(2):last-child) .address-select {
        background-color: #fff
    }

    .product-estimated-delivery-time-left-value-tian {
        min-width: 55px;
    }

    .fukuan-title {
        font-size: 10px;
    }

    .fukuan-item {
        font-size: 10px;
        padding: 4px 10px;
    }

    .right-btn {
        font-size: 10px;
        padding: 8px 10px;

    }

    .danwei-title {
        font-size: 10px;
    }

    .danwei-content {
        font-size: 10px;
    }

    .fukuan-content {
        margin-top: 7px;
    }

    .product-detail-right-fixed-bottom-right {
        flex: 3;
    }



    .related-products-title {
        text-align: start;
        padding: 0 13px;
    }

    .related-products-title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 14%;
        transform: translateX(-50%);
        width: 71px;
        height: 3px;
        background: linear-gradient(135deg, #f08c1c, #e07a0a);
        border-radius: 2px;
    }

    /* 相关产品 */
    .related-products {
        padding: 10px;
    }

    .product-list {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        padding: 10px;
        gap: 10px;
        max-width: 100vw;
        box-sizing: border-box;
        height: auto;
    }

    .product-list {
        gap: 10px;
    }

    .product-item {
        flex: 0 0 48%;
        max-width: 48%;
        box-sizing: border-box;
        margin-bottom: 10px;
        height: auto;
    }

    .product-image {
        width: 100%;
        height: auto;
        aspect-ratio: 1/1;
        object-fit: cover;
        display: block;
    }

    .product-content {
        height: auto;
    }

    .product-item {
        flex: 0 0 100%;
        border-radius: 0;
        height: auto;
    }

    .product-image {
        height: auto;
    }

    .product-content {
        height: 80px;
    }

    .paging-overlay {
        display: none;
    }

    .mobile-copyright {
        display: block;
    }

    .mobile-copyright p {
        padding: 10px 20px;
        font-size: 10px;
        text-align: center;
        color: #dbdbdb;
        margin-bottom: 50px;
        padding-bottom: 50px;
    }
}