/* ------------------------------------- */
        /* 自定义全局样式               */
        /* ------------------------------------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* 定义字体 */
        @font-face {
            font-family: 'AlibabaPuHuiTi';
            src: url('/fonts/Alibaba_PuHuiTi_2.0_55_Regular_55_Regular.ttf') format('truetype');
            font-weight: normal;
            font-style: normal;
        }

        body {
            font-family: 'AlibabaPuHuiTi', sans-serif; /* 使用定义的字体 */
            background-color: #f8f9fa;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        main {
            width: 100vw;
            margin: 0;
            padding: 0;
        }

        section {
            width: 100vw;
            margin: 0;
            padding: 0;
        }

        /* ------------------------------------- */
        /* 头部导航栏样式               */
        /* ------------------------------------- */
        .navbar {
            background-color: #4b4f58 !important;
            padding: 0px;
            padding-top: 13px;
            padding-bottom: 13px;
            padding-left: 2.7vw;
            padding-right:2.7vw;
            z-index: 1030;
        }

        /* 通用导航栏品牌样式 */
        .navbar-brand {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
        }

        .navbar-brand img {
            height: auto;
            max-height: 90px;
            width: auto;
            margin-right: 25px;
        }

        .site-description {
            margin-top: 30px !important;
            font-size: 1.5rem;
            margin: 0;
            color: white;
            white-space: normal;
            word-wrap: break-word;
        }

        .nav-item .nav-link {
            font-weight: 800;
            text-transform: uppercase;
            font-size: 1.2rem;
            color: #ffffff;
            margin-left: 15px;
        }

        /* 手机端导航栏优化 */
        @media (max-width: 991px) {
            /* 确保手机端菜单默认隐藏 */
            .navbar-collapse {
                display: none !important;
            }

            /* 手机端显示汉堡菜单按钮 */
            .navbar-toggler {
                display: block !important;
            }

            /* 手机端菜单样式 - 保持原LOGO区域不变 */
            .navbar-collapse.show {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: white;
                z-index: 1040;
                padding: 0;
                margin: 0;
                box-shadow: 0 4px 8px rgba(0,0,0,0.1);
                border-top: 1px solid #e0e0e0;
                display: block !important;
            }

            /* 手机端菜单关闭按钮 */
            .navbar-collapse.show .mobile-close-btn {
                position: absolute;
                top: 20px;
                right: 20px;
                background: none;
                border: none;
                color: rgb(241, 99, 41);
                font-size: 24px;
                cursor: pointer;
                z-index: 1041;
                padding: 0;
                width: 40px;
                height: 40px;
                display: flex !important;
                align-items: center;
                justify-content: center;
            }

            /* 默认隐藏关闭按钮 */
            .mobile-close-btn {
                display: none !important;
            }

            /* 手机端菜单项 */
            .navbar-collapse.show .navbar-nav {
                width: 100%;
                background-color: white;
                padding: 20px;
                text-align: left;
                margin: 0;
            }

            .navbar-collapse.show .nav-item {
                margin: 0;
                padding: 0;
                border-bottom: 1px solid #f0f0f0;
            }

            .navbar-collapse.show .nav-item:last-child {
                border-bottom: none;
            }

            .navbar-collapse.show .nav-link {
                color: #333 !important;
                font-size: 16px;
                font-weight: 700;
                padding: 10px 0;
                margin: 0;
                display: flex;
                justify-content: space-between;
                align-items: center;
                text-transform: none;
                position: relative;
                min-height: 44px;
            }

            /* 主菜单项不显示向左箭头 */
            .navbar-collapse.show .nav-link::before {
                display: none;
            }

            /* 手机端下拉菜单样式 */
            .navbar-collapse.show .dropdown-menu {
                position: static;
                background-color: transparent;
                border: none;
                box-shadow: none;
                padding: 0;
                margin: 0;
                width: 100%;
                opacity: 1;
                visibility: visible;
                display: none;
            }

            /* 手机端菜单样式已移至991px媒体查询中 */
        }

        @media (max-width: 768px) {
            .navbar {
                background-color: #4b4f58 !important;
                padding: 1rem 1rem;
                min-height: 90px;
                padding: 5px !important;
            }

            .navbar-brand {
                max-width: 75%;
                flex-wrap: nowrap;
                align-items: center;
            }

            .navbar-brand img {
                max-height: 95px;
                margin-right: 15px;
                flex-shrink: 0;
            }

            .site-description {
                font-size: 20px;
                color: white !important;
                -webkit-hyphens: auto;
                hyphens: auto;
                margin-top: -15px  !important;
                flex: 1;
                min-width: 0;
            }

            .navbar-toggler {
                margin-left: auto;
                order: 2;
                border: none !important;
                padding: 1rem 1rem;
            }

            .navbar-toggler:focus {
                box-shadow: none !important;
            }

                         .navbar-toggler-icon {
                 width: 1.5rem !important;
                 height: 1.5rem !important;
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
                 transition: all 0.3s ease;
             }

             /* 菜单打开时的关闭按钮样式 */
             .navbar-toggler.menu-open .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 确保菜单打开时图标正确显示 */
             .navbar-collapse.show ~ .navbar-toggler .navbar-toggler-icon,
             .navbar-collapse.show + .navbar-toggler .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 强制覆盖，确保图标切换 */
             .navbar-toggler.menu-open .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 当菜单打开时，强制所有相关选择器都显示X图标 */
             .navbar-collapse.show ~ .navbar-toggler .navbar-toggler-icon,
             .navbar-collapse.show + .navbar-toggler .navbar-toggler-icon,
             .navbar-collapse.show ~ .navbar-toggler.menu-open .navbar-toggler-icon,
             .navbar-collapse.show + .navbar-toggler.menu-open .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 最高优先级：当菜单打开时，强制显示X图标 */
             .navbar-collapse.show ~ .navbar-toggler .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 直接选择器：当body或navbar有show类时，强制显示X图标 */
             body:has(.navbar-collapse.show) .navbar-toggler .navbar-toggler-icon,
             .navbar:has(.navbar-collapse.show) .navbar-toggler .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 兼容性选择器：使用属性选择器 */
             .navbar-collapse.show ~ .navbar-toggler .navbar-toggler-icon,
             .navbar-collapse.show + .navbar-toggler .navbar-toggler-icon,
             .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 最终强制选择器：使用多重选择器确保覆盖 */
             .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon,
             .navbar-toggler.menu-open .navbar-toggler-icon,
             .navbar-collapse.show ~ .navbar-toggler .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

             /* 最高优先级：直接选择器，确保图标切换 */
             .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgb(241, 99, 41)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6l18 18M6 24l18-18'/%3e%3c/svg%3e") !important;
             }

            .navbar-collapse {
                justify-content: flex-end;
            }

            .navbar-nav {
                text-align: right;
            }

            /* 手机端隐藏搜索功能 */
            .search-slide-container {
                display: none !important;
            }


            /* 手机端菜单样式已移至991px媒体查询中 */

             /* 手机端二级菜单项前面添加向左箭头 */
             .navbar-collapse.show .dropdown-item {
                 position: relative;
                 padding-left: 30px !important;
                 line-height: 25px;
             }

             .navbar-collapse.show .dropdown-item::before {
                 content: '';
                 position: absolute;
                 left: 10px;
                 top: 35%;
                 transform: translateY(-50%);
                 width: 12px;
                 height: 12px;
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3e%3cpath fill='%23666' d='M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z'/%3e%3c/svg%3e");
                 background-size: contain;
                 background-repeat: no-repeat;
                 background-position: center;
                 transform: rotate(-180deg);
             }

            .navbar-collapse.show .dropdown.show .dropdown-menu {
                display: block;
            }

            .navbar-collapse.show .dropdown-item {
                color: #666 !important;
                font-size: 16px;
                font-weight: 500;
                padding: 5px 0 5px 10px;
                height: auto;
                line-height: 1.4;
                border-bottom: 1px solid #f0f0f0;
            }

            .navbar-collapse.show .dropdown-item:last-child {
                border-bottom: none;
            }

                         /* 手机端下拉指示器 */
             .navbar-collapse.show .arrow-container {
                 color: #333;
                 padding-right: 10px;
                 display: flex;
                 align-items: center;
                 justify-content: center;
                 min-width: 20px;
             }

             .navbar-collapse.show .ast-arrow-svg {
                 fill: #333;
                 width: 12px;
                 height: 12px;
                 transition: transform 0.3s ease;

                 flex-shrink: 0;
             }

             .navbar-collapse.show .dropdown.show .ast-arrow-svg {
                 transform: rotate(90deg);
             }

                         /* 手机端三级菜单 */
             .navbar-collapse.show .dropdown-submenu .dropdown-menu {
                 margin-left: 10px;
                 border-left: 0px solid #f0f0f0;



             }

             /* 三级菜单项也有向左箭头，但颜色稍浅 */
             .navbar-collapse.show .dropdown-submenu .dropdown-item::before {
                 background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3e%3cpath fill='%23999' d='M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z'/%3e%3c/svg%3e");

                }


                          /* 三级菜单箭头样式 */
             .navbar-collapse.show .dropdown-submenu .ast-arrow-svg {
                 fill: #333;
                 width: 12px;
                 height: 12px;
                 transition: transform 0.3s ease;
                 transform: rotate(0deg);
                 flex-shrink: 0;
                 margin-top: -15px;
             }

             .navbar-collapse.show .dropdown-submenu.show .ast-arrow-svg {
                 transform: rotate(90deg);
             }

                         /* 手机端菜单国旗图标 */
             .navbar-collapse.show .mobile-flag-container {
                 position: absolute;
                 bottom: 20px;
                 left: 20px;
                 z-index: 2;
                 background-color: white;
                 padding: 10px;
                 border-radius: 5px;
                 box-shadow: 0 2px 8px rgba(0,0,0,0.1);
             }

             /* 手机端第四、第五、第六部分高度调整 */
             .insights-section,
             .creativity-section,
             .contact-section {
                 min-height: 30vh !important;
                 height: 30vh !important;
             }
         }

    /* 滑动搜索样式 */
    .search-slide-container {
        position: relative;
        display: flex;
        align-items: center;
        overflow: visible;
        height: 40px;
        z-index: 1000;
    }

    .search-toggle-btn {
        background: none;
        border: none;
        color: rgb(241, 90, 41) ;
        font-size: 18px;
        cursor: pointer;
        padding: 8px 12px;
        transition: all 0.3s ease;
        z-index: 2;
    }

    .search-toggle-btn:hover {
        color:rgb(241, 90, 41) ;
    }

    .search-slide-input {
        position: absolute;
        right: 0;
        top: 0;
        display: flex;
        align-items: center;
        background-color: #ffffff;
        border-radius: 5px;
        padding: 5px;
        width: 300px;
        z-index: 1000;
        border: 0px solid rgb(241, 90, 41);
        /* 默认隐藏 */
        display: none;
    }

    .search-slide-input.active {
        display: flex;
    }

    .search-slide-input input {
        width: 300px;
        border: none;
        background: none;
        color: rgb(241, 90, 41);
        padding: 8px 12px;
        outline: none;
        font-size: 14px;
    }

    .search-slide-input input::placeholder {
        color: rgb(241, 90, 41);
    }

    .search-submit-btn {
        background: none;
        border: none;
        color: rgb(241, 90, 41);
        cursor: pointer;
        padding: 8px;
        border-radius: 50%;
        transition: background-color 0.3s;
    }

    .search-submit-btn:hover {
        background-color: rgba(255, 255, 255, 0.2);
    }
        /* 下拉菜单样式 */
        .dropdown-menu {
            line-height: 35px;
            width: 200%;
            background-color: #4b4f58;
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            margin-top: 0;
            border: none;
            border-radius: 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.3);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        /* 鼠标悬停显示下拉菜单 */
        .dropdown:hover > .dropdown-menu {
            display: block;
            opacity: 1;
            visibility: visible;
        }

        /* 三级下拉菜单样式 (Bootstrap 不原生支持) */
        .dropdown-submenu {
            position: relative;
        }
        .dropdown-submenu > .dropdown-menu {
            top: 0;
            left: 100%;
            margin-top: -6px;
            margin-left: -1px;
            display: none;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .dropdown-submenu:hover > .dropdown-menu {
            display: block;
            opacity: 1;
            visibility: visible;
        }

        .dropdown-item {
            height: 55px;
            line-height: 55px;
            padding: 0 1rem;
            display: flex;
            align-items: center;
            width: 100%;
            font-weight: 800;
            color: white;
            text-decoration: none;
        }

        .dropdown-item:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
        }

        /* 自定义下拉箭头样式 */
        .dropdown-toggle::after {
            display: none !important;
        }

        .arrow-container {
            font-size: 12px;
            color: white;
            display: inline-flex;
            align-items: center;
        }

        .ast-arrow-svg {
            width: 12px;
            height: 12px;
            margin-left: 5px;
            transition: transform 0.3s ease;
            fill: white;
        }

        .dropdown-toggle[aria-expanded="true"] .ast-arrow-svg {
            transform: rotate(180deg);
        }

        /* 三级菜单箭头靠右对齐 */
        .dropdown-submenu .dropdown-toggle {
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .dropdown-submenu .ast-arrow-svg {
            margin-left: auto;
            order: 2;
            transform: rotate(-90deg);
            position: absolute;
            right: 0;
        }

        /* ------------------------------------- */
        /* 主视觉区域样式               */
        /* ------------------------------------- */
        .hero-section {
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 80vh;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-section-content {
            background-color: rgba(0, 0, 0, 0.4); /* 半透明遮罩，以便文字更清晰 */
            padding: 2rem;
            text-align: center;
        }

          /* ------------------------------------- */
         /* 见解区域样式                 */
         /* ------------------------------------- */
         .insights-section {
            position: relative;
            background-image: url('/images/top-landing-800-1.jpg'); /* 替换为你的图片 */
            background-size: cover;
            background-position: center;
            min-height: 100vh;
            height: 100vh;
            width: 100vw;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
       .insights-section h1 {
           color: white;
           font-size: 18vw; /* 视口宽度单位，实现响应式字号 */
           font-weight: 900;
           text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
           transition: color 0.3s ease, text-shadow 0.3s ease; /* 添加过渡动画 */
       }

               /* 鼠标悬停效果 */
        .insights-section h1:hover {
            color: #f1592a; /* 悬停时变为橙色 */
        }

        /* 移除链接下划线 */
        .insights-section a {
            text-decoration: none;
            color: inherit;
        }

        .insights-section a:hover {
            text-decoration: none;
            color: inherit;
        }

       /* ------------------------------------- */
       /* 创意区域样式                 */
       /* ------------------------------------- */
       .creativity-section {
            position: relative;
           background-image: url('/images/middle-landing-800_v3.jpg'); /* 替换为你的图片 */
           background-size: cover;
           background-position: center;
           min-height: 100vh;
           height: 100vh;
           width: 100vw;
           margin: 0;
           padding: 0;
           display: flex;
           align-items: center;
           justify-content: center;
       }
       .creativity-section h1 {
           font-weight: 900;
       }
       .creativity-section .display-3 {
           font-size: 4vw; /* 响应式字号 */
       }

       /* ------------------------------------- */
       /* 联系区域样式                 */
       /* ------------------------------------- */
       .contact-section {
           position: relative;
           background-image: url('https://sld-cdn.yibeiyun.com/images/download.jpg'); /* 替换为你的图片 */
           background-size: cover;
           background-position: center;
           min-height: 100vh;
           height: 100vh;
           width: 100vw;
           margin: 0;
           padding: 0;
           display: flex;
           align-items: center;
           justify-content: center;
       }
               .contact-section h1 {
            color: white;
            font-size: 18vw; /* 响应式字号 */
            font-weight: 900;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
            transition: color 0.3s ease, text-shadow 0.3s ease; /* 添加过渡动画 */
        }

        /* 鼠标悬停效果 */
        .contact-section h1:hover {
            color: #f1592a; /* 悬停时变为橙色 */
        }




        /* ------------------------------------- */
        /* 楼梯区域样式                 */
        /* ------------------------------------- */
        .staircase-section {
            position: relative;
            background-size: cover;
            background-position: center;
            width: 100vw;
            margin: 0;
            padding: 0;
            margin-bottom: 10px;
        }

        /* 手机端导航栏高度调整 */
        @media (max-width: 768px) {
            .staircase-section {
                padding-top: 5px; /* 手机端导航栏通常更小 */
            }
        }

        /* ------------------------------------- */
        /* 滚动图区域样式               */
        /* ------------------------------------- */
        /* 电脑版滚动图样式 */
                          .scroll-section {
             position: relative;
             min-height: 100vh;
             height: 100vh;
             width: 100vw;
             margin: 0;
             padding: 0;
             overflow: hidden;
             cursor: grab;
             background-color: #000;
         }

        .scroll-section:active {
            cursor: grabbing;
        }

                          .scroll-container {
             position: relative;
             width: 100%;
             height: 100vh;
             user-select: none;
             -webkit-user-select: none;
             -moz-user-select: none;
             -ms-user-select: none;
         }

                          .scroll-item {
             position: absolute;
             top: 0;
             left: 100%;
             width: 100%;
             height: 100vh;
             transition: left 0.8s ease-in-out;
             will-change: left;
             z-index: 1;
         }

        .scroll-item.active {
            left: 0;
            z-index: 2;
        }

        .scroll-item.prev {
            left: -100%;
            z-index: 1;
        }

                          .scroll-item img {
             width: 100%;
             height: 100vh;
             object-fit: cover;
             pointer-events: none;
         }

        /* 手机版滚动图样式 */
        @media (max-width: 768px) {
            .scroll-section {
                min-height: 40vh;
                height: 40vh;
            }

            .scroll-container {
                height: 40vh;
            }

            .scroll-item {
                height: 40vh;
            }

            .scroll-item img {
                height:40vh;
            }
        }
        .staircase-section h1, .staircase-section p {
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
        }

        /* ------------------------------------- */
        /* 人物区域样式                 */
        /* ------------------------------------- */
        .people-grid {
            width: 100vw;
            margin: 0;
            padding: 0;
        }
        .people-grid .col-md-4 {
            padding: 0; /* 移除内边距 */
        }
        .people-grid-item {
            min-height: 100vh; /* 确保方块高度一致 */
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            background-color: #333;
        }
        .people-grid-item-img {
            overflow: hidden;
            background-color: #000;
        }
        .people-grid-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .people-grid-item-img img:hover {
            transform: scale(1.05);
        }


        /* ------------------------------------- */
        /* 底部页脚样式                 */
        /* ------------------------------------- */

        /* Footer全屏样式 */
        .footer-section {
            width: 100vw;
            margin: 0;
            padding: 0;
            overflow: hidden;
            text-align: center;
        }

        /* 覆盖Bootstrap的container类，实现全屏 */
        .footer-section .container {
            max-width: 100% !important;
            width: 100% !important;
            margin: 0 !important;
            padding: 0 !important;
        }

        /* 覆盖Bootstrap的row类，去掉默认的负margin */
        .footer-section .row {
            margin: 0 !important;
            background-color: rgb(75,79,88) !important;
        }

        /* Footer上半部分样式 */
        .footer-top {
            width: 100%;
            margin: 0;
            padding: 3rem 2rem;
        }

        /* Footer下半部分样式 */
        .footer-bottom {
            width: 100%;
            margin: 0;
            padding: 1.5rem 2rem;
        }

        .footer-logo img {
            height: 80px;
        }

                 .footer-section a {
             width: 100%;
             display: block;
             line-height: 25px;
             text-decoration: none !important;
         }

                 /* 版权信息和备案链接样式 */
         .copyright-text {
             margin-bottom: 1rem !important;
             font-size: 0.9rem;
         }

         .beian-links {
             display: flex;
             justify-content: space-between;
             align-items: center;
             gap: 0;
             flex-wrap: nowrap;
             max-width: 600px;
             margin: 0 auto;
         }

         .beian-link {
             text-decoration: none;
             font-size: 0.85rem;
             transition: opacity 0.3s ease;
         }

         .beian-link:hover {
             opacity: 0.8;
         }

         @media (max-width: 768px) {
             .footer-section {
                 text-align: center;
                 font-size: 14px;
             }

             .footer-section .col-md-2 {
                 margin-top: 15px;
             }

             .footer-section span {
                 width: 100%;
                 display: block;
                 line-height: 25px;
             }

             /* 手机端footer padding调整 */
             .footer-top {
                 padding: 2rem 1rem;
             }

             .footer-bottom {
                 padding: 1rem;
             }

             /* 手机端备案链接保持一行显示 */
             .beian-links {
                 flex-direction: row;
                 flex-wrap: nowrap;
                 gap: 0;
                 max-width: 100%;
                 padding: 0 1rem;
             }

             .beian-link {
                 font-size: 0.8rem;
             }
         }