* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }

        ul { list-style: none; }
        a { text-decoration: none; color: inherit; }

           .sl-nav-wrapper {
            position: relative;
            z-index: 9999;
        }

        .sl-nav-container {
            width: 100%;
            background: #fff;
            border-bottom: 1px solid #eee;
        }

        .sl-nav-inner {
            max-width: 1400px;
            height: 80px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .sl-logo-wrap {
            margin-right: auto;
        }
        .sl-logo-img { height: 50px; }

        .sl-main-nav {
            display: flex;
            gap: 45px;
            margin-right: 40px;
        }

        .sl-main-nav > li {
            height: 80px;
            display: flex;
            align-items: center;
            position: static;
        }

        .sl-main-nav > li > a {
            font-size: 16px;
            color: #333;
            transition: color 0.3s;
			padding:0 10px;
        }

        .sl-main-nav > li > a:hover,
        .sl-main-nav > li > a.sl-active {
            color: #fff;
        }

		
		    
        .sl-main-nav > li:hover{
            background: #ff9a34;
        }
		
		 .sl-main-nav > li:hover > a{
            color: #fff;
        }
        .sl-nav-tools {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .sl-submenu-wrap {
            position: absolute;
            top: 80px;
            left: 0;
            width: 100%;
            background: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            padding: 40px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.35s ease;
        }

        /* 主导航鼠标悬浮 弹出二级菜单 */
        .sl-main-nav > li:hover .sl-submenu-wrap {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .sl-submenu-inner {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: center;
            gap: 80px;
            padding: 0 20px;
        }

        .sl-submenu-column h3 {
            font-size: 22px;
            margin-bottom: 20px;
            padding-bottom: 12px;
            position: relative;
        }

        .sl-submenu-column h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background: #ff9a34;
        }

        .sl-submenu-list li {
            margin-bottom: 15px;
            position: relative;
            padding-right: 15px;
        }

        .sl-submenu-list li a {
            font-size: 15px;
            color: #666;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .sl-submenu-list li a:hover {
            color: #ff9a34;
        }

        /* PC 端 三级菜单 */
        .sl-submenu-list .sl-sub-third {
            padding-left: 15px;
            margin-top: 8px;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: all 0.3s ease;
        }
        .sl-submenu-list .sl-sub-third.open {
            max-height: 500px;
            opacity: 1;
            margin-top: 8px;
        }
        .sl-submenu-list .sl-sub-third li {
            margin-bottom: 10px;
        }

        /* PC 端 四级菜单 */
        .sl-submenu-list .sl-sub-fourth {
            padding-left: 15px;
            margin-top: 6px;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: all 0.3s ease;
        }
        .sl-submenu-list .sl-sub-fourth.open {
            max-height: 500px;
            opacity: 1;
        }

        .sl-pc-arrow {
            font-size: 20px;
            font-weight: bold;
            transition: transform 0.3s;
            position: absolute;
            right: 0;
            top: -5px;
            width: 20px;
        }
        .sl-pc-arrow.open {
            transform: rotate(45deg);
        }

        .sl-search-btn,
        .sl-lang-btn {
            font-size: 24px;
            color: #ff9a34;
            background: none;
            border: none;
            cursor: pointer;
        }

        .sl-search-modal {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 9999;
        }

        .sl-search-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .sl-search-input {
            /* width: 100%; */
            width: 600px;
            height: 46px;
            padding: 0 15px;
            border: 1px solid #eee;
            border-radius: 4px;
            outline: none;
        }

        .sl-search-input:focus {
            border-color: #ff9a34;
        }

        .sl-search-close {
            position: absolute;
            right: 30px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 22px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 999;
        }

        /* ====================== 手机端 ====================== */
        .sl-hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .sl-hamburger-btn span {
            width: 25px;
            height: 3px;
            background: #333;
            transition: all 0.3s;
        }

        .sl-mobile-menu {
            display: none;
            position: absolute;
            top: 80px;
            left: 0;
            width: 100%;
            background: #fff;
            border-top: 1px solid #eee;
            z-index: 9999;
        }
        .sl-mobile-menu.active {
            display: block;
        }
        .sl-mobile-menu li {
            border-bottom: 1px solid #eee;
            position: relative;
        }
        .sl-mobile-menu li a {
            display: block;
            padding: 15px 20px;
            font-size: 15px;
        }

        /* 手机菜单 渐显动画 */
        .sl-mobile-sub {
            max-height: 0;
            overflow: hidden;
            background: #f7f7f7;
            transition: max-height 0.4s ease, opacity 0.4s ease;
            opacity: 0;
        }
        .sl-mobile-sub.open {
            max-height: 800px;
            opacity: 1;
        }
        .sl-mobile-sub li a {
            padding-left: 35px;
        }

        /* 三级菜单样式 */
        .sl-mobile-sub .sl-mobile-sub {
            background: #f1f1f1;
        }
        .sl-mobile-sub .sl-mobile-sub li a {
            padding-left: 55px !important;
        }

        /* 四级菜单样式 */
        .sl-mobile-sub .sl-mobile-sub .sl-mobile-sub {
            background: #ebebeb;
        }
        .sl-mobile-sub .sl-mobile-sub .sl-mobile-sub li a {
            padding-left: 75px !important;
        }

        .sl-menu-arrow {
            float: right;
            font-size: 20px;
            position: absolute;
            right: 10px;
            top: 0;
            width: 20px;
            z-index: 99;
            top: 10px;
        }

        @media (max-width: 1024px) {
            .sl-main-nav, .sl-nav-tools { display: none; }
            .sl-hamburger-btn { display: flex; }
        }
		
		
		
		
	 /* 尾部外层容器 */
        .footer-outer {
            width: 100%;
            background-color: #fff;
            border-top: 1px solid #eee;
        }

        /* 尾部核心容器：精准1400px宽度，居中 */
        .footer-container {
            width: 1400px;
            margin: 0 auto;
            padding: 40px 0;
            position: relative;
        }

        /* LOGO区域 */
        .footer-logo {
            margin-bottom: 30px;
            padding: 0 20px 20px;
            border-bottom: 1px solid #ddd;
        }
        .footer-logo-img {
            height: 40px;
            object-fit: contain;
            transition: all 0.3s ease;
            cursor: pointer;
            transform-origin: left center; /* 固定变换基准点：左中 */
        }
        /* LOGO偏移：X轴右移4px（原2px） */
        .footer-logo-img:hover {
            opacity: 0.85;
            transform: translateX(4px);
        }

        /* 尾部主体内容 */
        .footer-main {
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-start;
            margin-bottom: 30px;
            gap: 60px;
            padding: 0;
        }

        /* 左侧导航列 */
        .footer-nav-column {
            min-width: 100px;
            flex: none;
        }
        .footer-nav-title {
            font-size: 16px;
            color: #333;
            font-weight: 500;
            margin-bottom: 16px;
        }
        .footer-nav-list {
            list-style: none;
        }
        .footer-nav-item {
            margin-bottom: 8px;
        }
        .footer-nav-link {
            font-size: 14px;
            color: #666;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            padding-left: 3px;
            display: inline-block; /* 关键：转为行内块，transform不影响布局 */
            transform-origin: left center;
        }
        /* 导航链接偏移：X轴右移3px（原1px） */
        .footer-nav-link:hover {
            color: #ff8800;
            transform: translateX(3px);
        }
        .footer-nav-link::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            width: 0;
            height: 1px;
            background-color: #ff8800;
            transition: all 0.3s ease;
            transform: translateY(-50%);
        }
        .footer-nav-link:hover::before {
            width: 3px;
        }

        /* 右侧联系信息区 */
        .footer-contact {
            flex: 1;
            min-width: 300px;
            /* margin-left: 20px; */
        }
        .footer-contact-title {
            font-size: 20px;
            color: #333;
            font-weight: 5;
            margin-bottom: 20px;
            line-height: 1.4;
            transition: all 0.3s ease;
            transform-origin: left center;
        }
        /* 联系标题偏移：X轴右移4px（原2px） */
        .footer-contact:hover .footer-contact-title {
            color: #ff8800;
            transform: translateX(4px);
        }
        .footer-contact-list {
            list-style: none;
            margin-bottom: 20px;
            line-height: 1.8;
            color: #666;
        }
        .footer-contact-item {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            transition: all 0.3s ease;
            transform-origin: left center;
        }
        /* 联系信息偏移：X轴右移3px（原1px） */
        .footer-contact-item:hover {
            color: #ff8800;
            transform: translateX(3px);
        }
        .footer-contact-icon {
            color: #666;
            font-size: 14px;
            margin-top: 2px;
            transition: color 0.3s ease;
            padding-right: 10px;
        }
        .footer-contact-item:hover .footer-contact-icon {
            color: #ff8800;
        }

        /* 二维码区域 */
        .footer-qrcode {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-qrcode-item {
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
            /* width: 100px; */
            transform-origin: center bottom; /* 固定变换基准点：中下 */
        }
        /* 二维码偏移：Y轴上移3px（原1px） */
        .footer-qrcode-item:hover {
            transform: translateY(-3px);
        }
        .footer-qrcode-img {
            width: 100%;
            display: block;
            margin-bottom: 8px;
            border: 1px solid #eee;
            padding: 5px;
            transition: all 0.3s ease;
        }
        .footer-qrcode-item:hover .footer-qrcode-img {
            border-color: #ff8800;
            box-shadow: 0 2px 8px rgba(255, 136, 0, 0.1);
        }
        .footer-qrcode-text {
            font-size: 14px;
            color: #666;
            transition: color 0.3s ease;
        }
        .footer-qrcode-item:hover .footer-qrcode-text {
            color: #ff8800;
        }

        /* 底部版权信息区 */
        .footer-copyright {
            border-top: 1px solid #eee;
            padding: 20px 0;
            font-size: 14px;
            color: #999;
            text-align: center;
            line-height: 1.8;
            width: 100%;
        }
        .footer-copyright a {
            color: #999;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            display: inline-block; /* 行内块，transform不影响布局 */
            transform-origin: center;
        }
        /* 版权链接偏移：Y轴下移3px（原1px） */
        .footer-copyright a:hover {
            color: #ff8800;
            transform: translateY(3px);
        }
        .footer-copyright a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 0;
            height: 1px;
            background-color: #ff8800;
            transition: all 0.3s ease;
        }
        .footer-copyright a:hover::after {
            width: 100%;
        }

        /* 响应式适配 */
        @media (max-width: 1400px) {
            .footer-container {
                width: 100%;
                padding: 40px 20px;
            }
            .footer-logo, .footer-main {
                /* padding: 0; */
            }
        }

        @media (max-width: 768px) {
            .footer-main {
                flex-direction: column;
                gap: 30px;
            }
            .footer-nav-column {
                min-width: 100%;
                display: none;
            }
            .footer-contact {
                min-width: 100%;
                margin-left: 0;
            }
            .footer-qrcode {
                justify-content: center;
            }
            .footer-contact-title {
                font-size: 16px;
            }
            .footer-logo-img {
                height: 100%;
            }
        }	
		
		
		
		
		/* 右侧固定栏容器 */
    .fixed-sidebar {
      position: fixed;
      right: 20px;
      bottom: 80px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    /* 单个按钮样式 —— 高级灰色系 + 正圆形 */
    .sidebar-item {
      width: 50px;
      height: 50px;
      background-color: #f5f5f5;
      border: 1px solid #e8e8e8;
      border-radius: 50%;     /* 正圆形 */
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    /* 图标统一大小、颜色 */
    .sidebar-item svg {
      width: 22px;   /* 统一宽度 */
      height: 22px;  /* 统一高度 */
      fill: #666;
      transition: fill 0.3s;
    }

    /* 悬浮交互：灰色加深 + 轻微放大 */
    .sidebar-item:hover {
      background-color: #e9e9e9;
      border-color: #dcdcdc;
      transform: scale(1.08) translateX(-3px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .sidebar-item:hover svg {
      fill: #333;
    }

    /* 微信二维码弹窗 */
    .wechat-code {
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 160px;
      padding: 10px;
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      display: none;
      text-align: center;
      animation: fadeIn 0.3s;
    }

    .wechat-code img {
      width: 100%;
      border-radius: 6px;
    }

    .wechat-code p {
      margin-top: 6px;
      font-size: 12px;
      color: #666;
    }

    /* 鼠标悬浮显示二维码 */
    .sidebar-item:hover .wechat-code {
      display: block;
    }

    /* 提示文字样式 */
    .tooltip {
      position: absolute;
      right: 60px;
      white-space: nowrap;
      background: #555;
      color: #fff;
      padding: 6px 10px;
      border-radius: 6px;
      font-size: 12px;
      opacity: 0;
      transform: translateX(10px);
      transition: all 0.3s;
      pointer-events: none;
    }

    .sidebar-item:hover .tooltip {
      opacity: 1;
      transform: translateX(0);
    }

    /* 返回顶部默认隐藏 */
    #backTop {
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s;
    }

    /* 显示返回顶部 */
    #backTop.show {
      opacity: 1;
      visibility: visible;
    }

    /* 淡入动画 */
    @keyframes fadeIn {
      from { opacity: 0; transform: translateX(10px); }
      to { opacity: 1; transform: translateX(0); }
    }

    /* 移动端适配 */
    @media (max-width: 768px) {
      .fixed-sidebar {
        right: 12px;
        bottom: 60px;
        gap: 8px;
      }
      .sidebar-item {
        width: 44px;
        height: 44px;
      }
      .sidebar-item svg {
        width: 19px;
        height: 19px;
      }
      .wechat-code {
        width: 130px;
      }

.sl-nav-wrapper {
    position: relative;
    z-index: 9999;
    overflow: hidden;
}



.footer-qrcode-item {
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    width: 28%;
    transform-origin: center bottom;
}
    }