* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        /* 品牌主色调：深蓝+金色点缀 */
        :root {
            --zh-dark-blue: #00245d;
            --zh-blue: #00338d;
            --zh-gold: #d4b16a;
            --zh-gray: #f5f7fa;
            --zh-light-gray: #e6e6e6;
            --white: #ffffff;
            --text-gray: #666666;
            --border-gray: #e0e0e0;
            --transition: all 0.3s ease;
            --taobao-red: #ff4400;
            --taobao-light-red: #fff0e8;
            
            /* 功能色 */
            --primary: var(--zh-blue);
            --secondary: var(--zh-gold);
            --dark: var(--zh-dark-blue);
            --light: #ffffff;
            --text-primary: #333333;
            --text-secondary: #666666;
            --border: #e0e0e0;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
            /* 动效变量 */
            --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            /* 暗黑模式变量 */
            --bg-dark: #1a1a2e;
            --card-dark: #212134;
            --text-dark: #e0e0e0;
            --border-dark: #333344;
        }

        /* 通用样式 */
        .container {
            max-width: 1540px;
            margin: 0 auto;
            position: relative;
        }
        .nonea{
        	text-decoration: none; color: inherit;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--zh-blue);
            color: var(--white);
            text-decoration: none;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        /* 按钮动态效果 */
        .btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: all 0.6s ease;
        }
        .btn:hover {
            background-color: var(--zh-dark-blue);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 51, 141, 0.3);
        }
        .btn:hover::after {
            left: 100%;
        }
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            color: var(--zh-dark-blue);
            font-size: 28px;
            font-weight: 600;
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--zh-gold);
        }

        /* 顶部信息栏 - 新增多语言 */
        .top-bar {
            background-color: var(--zh-dark-blue);
            color: var(--white);
            font-size: 14px;
            padding: 8px 0;
        }
        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }
        .language-selector {
            position: relative;
            z-index: 1999; 
        }
        .language-btn {
            background-color: var(--white);
            color: var(--zh-dark-blue);
            padding: 5px 10px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            font-size: 13px;
        }
        .language-dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: var(--white);
            border-radius: 4px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            display: none;
            z-index: 999;
            min-width: 180px;
        }
        .language-dropdown.show {
            display: block;
        }
        .language-option {
            padding: 8px 12px;
            color: var(--zh-dark-blue);
            cursor: pointer;
            transition: var(--transition);
        }
        .language-option:hover {
            background-color: var(--zh-gray);
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .top-bar a {
            color: var(--white);
            text-decoration: none;
            transition: var(--transition);
        }
        .top-bar a:hover {
            color: var(--zh-gold);
        }
        .phone-number {
            color: var(--zh-gold);
            font-weight: 500;
        }

		.language-dropdown a {
		    display: block;
		    color: var(--zh-dark-blue);
		    text-decoration: none;
		    border-bottom: 1px solid #f2f4f7;
		}
        /* 顶部导航栏 - 全端适配 */
        .header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 999;
            transition: var(--transition);
	       transform: translateY(0);
		}
		/* 向下滚动隐藏 */
		.header.hide-nav {
		    transform: translateY(-100%);
		}

        /* 滚动时导航栏变化 */
        .header.scroll {
            padding: 5px 0;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            transition: var(--transition);
        }
        .header.scroll .nav {
            height: 70px;
        }
        .logo img {
            height: 50px;
        }
        
        /* 搜索功能 */
        .search-wrapper {
            position: relative;
            margin-left: 20px;
        }
        .search-btn {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 18px;
            color: var(--zh-dark-blue);
        }
        .search-box {
            position: absolute;
            top: 100%;
            right: 0;
            width: 300px;
            background-color: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            padding: 15px;
            border-radius: 4px;
            display: none;
            z-index: 999;
        }
        .search-box.show {
            display: block;
        }
        .search-input {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            margin-bottom: 10px;
        }
        .search-submit {
            width: 100%;
            padding: 10px;
            background-color: var(--zh-blue);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-submit:hover {
            background-color: var(--zh-dark-blue);
        }
        
        /* 移动端汉堡菜单 */
        .mobile-menu-btn {
            display: none;
            font-size: 24px;
            color: var(--zh-dark-blue);
            cursor: pointer;
        }
        
        /* 主导航菜单 - 桌面端 */
        .main-nav {
            display: flex;
            list-style: none;
            position: relative;
        }
        .main-nav > li {
            position: relative;
            margin: 0 15px;
        }
        .main-nav > li > a {
            text-decoration: none;
            color: var(--zh-dark-blue);
            font-weight: 500;
            padding: 30px 10px;
            display: block;
            transition: var(--transition);
            position: relative;
            cursor: pointer; /* 改为点击触发 */
        }
        .main-nav > li > a::after {
            content: '';
            position: absolute;
            bottom: 25px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--zh-gold);
            transition: var(--transition);
        }
        .main-nav > li > a:hover {
            color: var(--zh-gold);
        }
        .main-nav > li > a:hover::after {
            width: 80%;
        }
        
        /* ========== 统一的下拉菜单样式 ========== */
		.dropdown {
		  position: fixed; /* 改为fixed，直接相对于视口，彻底解决父li定位干扰 */
		  top: 80px; /* 和导航高度对齐，桌面导航默认80px */
		  left: 0;
		  right: 0;
		  width: 100%; /* 不用100vw，避免滚动条溢出 */
		  background-color: var(--zh-dark-blue);
		  color: var(--white);
		  padding: 50px 0 40px;
		  display: none;
		  opacity: 0;
		  visibility: hidden;
		  transition: var(--transition);
		  z-index: 998;
		  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
		  overflow-x: hidden;
		  /* 删掉冲突 left:50% / transform: translateX(-50%) */
		  transform: translateY(20px);
		}
		.dropdown.show {
		  display: block;
		  opacity: 1;
		  visibility: visible;
		  transform: translateY(0); /* 只保留纵向位移，无横向偏移 */
		}
		        
        /* 统一的关闭按钮样式 */
        .dropdown-close {
            position: absolute;
            top: 20px;
            right: 50px; /* 统一位置 */
            color: var(--white);
            font-size: 24px;
            cursor: pointer;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            z-index: 10;
        }
        .dropdown-close:hover {
            color: var(--zh-gold);
            transform: rotate(90deg);
        }
        
        /* 统一的下拉菜单标题样式 */
        .dropdown-title {
            position: absolute;
            top: 20px;
            left: 50px; /* 统一位置 */
            color: var(--white);
            font-size: 28px;
            font-weight: 600;
            z-index: 10;
        }
        
        /* 统一的下拉菜单内容布局 */
        .dropdown-content {
            display: grid;
            grid-template-columns: repeat(5, 1fr); /* 统一5列布局 */
            gap: 30px; /* 统一间距 */
            color: var(--white);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 50px; /* 统一左右内边距 */
            margin-top: 10px; /* 统一顶部间距 */
        }
        
        /* 统一的列样式 */
        .dropdown-column {
            padding: 0 10px;
        }
        
        /* 统一的列标题样式 */
        .dropdown-column h3 {
            font-size: 16px;
            margin-bottom: 20px;
            color: var(--zh-gold);
            font-weight: 500;
            position: relative;
            padding-bottom: 10px;
        }
        .dropdown-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 1px;
            background-color: var(--zh-gold);
        }
        
        /* 统一的列表样式 */
        .dropdown-column ul {
            list-style: none;
        }
        .dropdown-column ul li {
            margin-bottom: 12px;
        }
        .dropdown-column ul li a {
            color: var(--white);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
        }
        .dropdown-column ul li a:hover {
            color: var(--zh-gold);
            transform: translateX(5px);
        }
        
        /* 统一的联系卡片样式 */
        .contact-card {
            background-color: #001a47;
            width:300px;
            padding: 25px; /* 统一内边距 */
            border-radius: 6px; /* 统一圆角 */
            height: 100%; /* 统一高度 */
            display: flex;
            flex-direction: column;
        }
        .contact-card .phone {
            font-size: 22px;
            font-weight: 600;
            color: var(--zh-gold);
        }
        .contact-links {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px; /* 统一链接间距 */
        }
        .contact-links a {
        	color:white;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .contact-links a img {
            width: 16px;
            height: 16px;
            filter: invert(1);
        }
        
        /* 投资者菜单特殊样式统一 */
        .dropdown-column .stock-price {
            font-size: 15px; 
            font-weight: bold; 
            color: var(--zh-gold); 
            margin: 10px 0;
        }
        .dropdown-column .stock-change {
            font-size: 14px; 
            color: #4CAF50; 
            margin-bottom: 10px;
        }
        .dropdown-column .stock-time {
            font-size: 12px; 
            margin-bottom: 20px;
        }
        
        /* 联系我们菜单特殊样式统一 */
        .dropdown-column .zhline-text {
            margin: 10px 0; 
            font-size: 16px;
        }
        
        
/* 新版底部Footer - 1:1复刻参考图 */
.footer {
    background-color: var(--zh-dark-blue);
    color: var(--white);
    padding: 60px 0 30px;
}
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 80px;
}
.footer-column {
    min-width: 140px;
}
.footer-column h4 {
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 500;
}
.footer-column ul {
    list-style: none;
}
.footer-column li {
    margin-bottom: 12px;
}
.footer-column a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}
.footer-column a:hover {
    color: var(--zh-gold);
}
.footer-contact {
    text-align: right;
    min-width: 200px;
}

.footer-contact img{
    text-align: right;
}
.footer-contact .zhline {
    font-size: 14px;
    margin-bottom: 5px;
}
.footer-contact .phone {
    font-size: 22px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}
.contact-links-footer {
    justify-content: flex-end;
    gap: 20px;
    flex-wrap: wrap;
}
.contact-links-footer a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    align-items: center;
    gap: 8px;
}
.contact-links-footer a img {
    width: 16px;
    height: 16px;
    filter: invert(1);
}
.back-to-top {
    display: inline-block;
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 20px;
    cursor: pointer;
}

.footer-bottom {
    background-color: var(--zh-light-gray);
    padding: 40px 0;
    color: var(--zh-dark-blue);
}
.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
}
.footer-logo {
    margin-bottom: 20px;
}
.footer-logo img {
    height: 40px;
}
.footer-address {
    font-size: 14px;
    line-height: 1.6;
    max-width: 300px;
}
.footer-address p {
    margin-bottom: 10px;
}
.footer-legal {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 12px;
    text-align: right; /* 右侧链接靠右对齐，外贸网站美观 */
}
.footer-legal a {
    color: var(--zh-dark-blue);
    text-decoration: none;
    margin: 0 8px;
    white-space: nowrap;
}

.footer-legal a:hover {
    text-decoration: underline;
}
.footer-legal a:first-child {
    margin-left: 0;
}
.footer-legal a:last-child {
    margin-right: 0;
}
/* 面包屑导航 */
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--zh-gray);
            font-size: 14px;
            margin-bottom: 20px;
        }
        .breadcrumb-content {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-content a {
            color: var(--zh-blue);
            text-decoration: none;
        }
        .breadcrumb-content a:hover {
            color: var(--zh-gold);
            text-decoration: underline;
        }
        .breadcrumb-content span {
            color: var(--text-gray);
            font-size: 12px;
        }
        
.breadcrumb .current {
    color: var(--text-gray);
}
/* 移动端适配 - header&footer专用 */
@media (max-width: 1200px) {
    .dropdown-content {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .contact-card {
        grid-column: 1 / -1;
        margin-top: 20px;
    }
    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 992px) {
    .top-bar-content {
        flex-wrap: wrap;
        justify-content: center;
    }
    .top-bar-right {
        margin-top: 10px;
    }
    .dropdown-content {
        grid-template-columns: repeat(2, 1fr);
        padding: 20px 50px;
    }
    .footer-top {
        flex-direction: column;
    }
    .footer-contact {
        text-align: left;
    }
    .contact-links-footer {
        justify-content: flex-start;
    }
    .footer-bottom-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
	.whatsapp-float-wrap{
        right:16px;
        bottom:120px;
    }
    .whatsapp-float-btn{
        width:52px;
        height:52px;
    }
    .whatsapp-tooltip{
        display:none !important;
    }
    /* 移动端导航 */
    .main-nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--zh-dark-blue);
        flex-direction: column;
        padding: 30px 0;
        z-index: 997;
    }
    .main-nav.show {
        display: flex;
    }
    .main-nav > li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    .main-nav > li > a {
        color: var(--white);
        padding: 15px 0;
    }
    .mobile-menu-btn {
        display: block;
    }

    /* 移动端下拉菜单 - 统一样式 */
    .dropdown {
        position: static;
        width: 100%;
        transform: none;
        padding: 30px 20px;
        display: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        background-color: #001a47;
    }
    .dropdown-content {
        grid-template-columns: 1fr;
        padding: 0;
        gap: 20px;
    }
    .dropdown-title {
        left: 20px;
        font-size: 24px;
    }
    .dropdown-close {
        right: 20px;
    }
    .contact-card {
        grid-column: unset;
        margin-top: 0;
    }

    /* 移动端搜索 */
    .search-wrapper {
        margin-left: 10px;
    }
    .search-box {
        width: 250px;
    }

    /* 移动端Footer */
    .footer {
        padding: 40px 20px 30px;
    }
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    .footer-bottom {
        padding: 30px 20px;
    }
    .footer-legal {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
    }
    .top-bar-content {
        font-size: 12px;
    }
    .logo img {
        height: 40px;
    }
    .nav {
        height: 70px;
    }
    .search-box {
        width: 200px;
    }
}

.whatsapp-float-wrap {
    position: fixed;
    right: 22px;
    bottom: 226px;
    z-index: 9999;
}
.whatsapp-float-btn {
    display:flex;
    align-items:center;
    justify-content:center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.45);
    text-decoration: none;
    transition: all 0.24s ease‑in‑out;
}
.whatsapp-float-btn:hover {
    background: #1EBE5B;
    transform: scale(1.12);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
}
/* Tooltip 提示框 */
.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    bottom: 16px;
    background:#111111;
    color:#fff;
    font-size:14px;
    padding:8px 14px;
    border-radius:6px;
    white-space:nowrap;
    opacity:0;
    visibility:hidden;
    transition: all 0.22s ease;
    pointer-events:none;
}
/* 小三角箭头 */
.whatsapp-tooltip::after {
    content:"";
    position:absolute;
    right:-8px;
    bottom:14px;
    border-width:8px 0 8px 8px;
    border-style:solid;
    border-color:transparent transparent transparent #111111;
}
.whatsapp-float-wrap:hover .whatsapp-tooltip {
    opacity:1;
    visibility:visible;
}