* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }
        
        body {
            font-family: "微软雅黑", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: #fff;
            color: #333;
            min-height: 100vh;
            position: relative;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            padding-bottom: 70px;
        }
        
        img { 
            max-width: 100%;
            height: auto; 
            display: block;
        }  
        
        /* ===== 顶部导航栏样式优化 ===== */
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background: #ffffff;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
            height: 64px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
 
        /* 搜索框样式优化 */
        .search-container {
            position: relative;
            display: flex;
            align-items: center;
            width: 40px;
            height: 40px;
            transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
            overflow: hidden;
            border-radius: 20px;
            background: transparent;
        }
 
        .search-container.expanded  {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            padding: 0 15px;
            width: calc(100% - 40px);
            height: 50px;
            z-index: 1003;
        }
 
        .search-icon {
            width: 24px;
            height: 24px;
            cursor: pointer;
            flex-shrink: 0;
            position: absolute;
            left: 8px;
            top: 8px;
            transition: all 0.3s ease;
            z-index: 2;
        }
 
        .search-container.expanded  .search-icon {
            left: 15px;
            top: 13px;
        }
 
        .search-container input {
            border: none;
            outline: none;
            padding: 0;
            font-size: 16px;
            color: #333;
            opacity: 0;
            width: 0;
            height: 100%;
            transition: all 0.3s ease;
            padding-left: 40px;
            background: transparent;
        }
 
        .search-container.expanded  input {
            opacity: 1;
            width: 100%;
        }
 
        .close-btn {
            border: none;
            background: transparent;
            font-size: 22px;
            color: #888;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            width: 0;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            right: 5px;
            top: 13px;
        }
 
        .search-container.expanded  .close-btn {
            opacity: 1;
            visibility: visible;
            width: 24px;
        }
 
        /* 导航菜单样式优化 */
        .nav-list {
            background-color: #002FA7;
            list-style: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            z-index: 999;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            max-height: 0;
            opacity: 0;
            overflow-y: auto;
            transition: all 0.4s ease;
            transform: translateY(-10px);
        }
 
        .nav-list.active  {
            max-height: calc(100vh - 70px);
            opacity: 1;
            transform: translateY(0);
        }
 
        .nav-list li {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            color: white;
            cursor: pointer;
            transition: background 0.3s;
        }
 
        .nav-list li:hover {
            background: rgba(0, 0, 0, 0.1);
        }
 
        .nav-list li i {
            margin-right: 15px;
            width: 20px;
            text-align: center;
        }
 
        .menu-toggle {
            font-size: 24px;
            cursor: pointer;
            transition: transform 0.3s ease;
            z-index: 1001;
        }
 
        .menu-toggle.active  {
            transform: rotate(90deg);
        }
 
        /* 顶部Logo区域 */ 
        .logo-header { 
            background-color: #00479b;
            text-align: center; 
            padding: 15px 0; 
        } 
 
        /* 轮播/图片区 */ 
        .swiper {
            width: 100%;
            height: 220px;
        }
 
        .swiper-slide {
            text-align: center;
            font-size: 18px;
            background: #fff;
            display: flex;
            justify-content: center;
            align-items: center;
        }
 
        .swiper-slide img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
 
        .swiper-pagination-bullet {
            width: 8px;
            height: 8px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 1;
        }
 
        .swiper-pagination-bullet-active {
            background: #fff;
            width: 20px;
            border-radius: 4px;
        }
 
        /* 公司简介模块 */ 
        .company-profile { 
            padding: 20px 15px; 
        } 
        .company-profile h2 { 
            font-size: 18px; 
            text-align: center; 
            margin-bottom: 5px; 
            position: relative; 
        } 
        /* 标题下的横线 */
        .title-line {
            width: 120px;
            height: 1px;
            background: #000;
            margin: 8px auto 15px;
        }
        .company-profile p { 
            font-size: 14px; 
            text-indent: 2em;
            margin-bottom: 15px; 
            line-height: 1.6;
        } 
 
        /* 企业文化模块 */ 
        .corporate-culture { 
            padding: 20px 15px;
            overflow: hidden;
        } 
        .culture-image { 
            width: 80px; 
            min-height: 180px; 
            margin-right: 20px; 
            object-fit: cover;
            border-radius: 4px;
            float: left;
        } 
        .culture-text { 
            flex: 1;
            font-size: 14px; 
            line-height: 1.6;
        } 
 
        /* 手机端响应式优化 */ 
        @media (max-width: 480px) { 
            .corporate-culture p { 
                font-size: 14px;
                text-indent: 2em;
                margin-bottom: 15px;
                line-height: 1.6;
            } 
            .culture-image {     
                float: left;
                margin-bottom: 0; 
                margin-right: 15px; 
                width: 23%;
                height: auto;
                min-height: 120px;
                writing-mode: horizontal-tb;
                padding: 0;
            } 
            
            .header {
                padding: 12px 15px;
                height: 60px;
            }
            
            .nav-list {
                top: 60px;
            }
            
            .nav-list li {
                padding: 15px;
            }
            
            .swiper {
                height: 180px;
            }
            
            .search-container.expanded  {
                width: calc(100% - 14px);
                left: 2px;
            }
        } 
        
        /* 超小屏幕适配 */
        @media (max-width: 360px) {
            .culture-image {
                width: 70px;
                margin-right: 10px;
            }
            
            .company-profile, .corporate-culture {
                padding: 15px 10px;
            }
            
            .company-profile p, .corporate-culture p {
                font-size: 13px;
            }
            
            .swiper {
                height: auto;
            }
        }
        
        /* ===== 底部固定图标样式 ===== */
        .footer-icons {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 20px;
            background: white;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
            z-index: 1005;
        }
        
        .fixed-icon {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: white;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .fixed-icon:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .fixed-icon img {
            width: 24px;
            height: 24px;
        }
        
        .chat-icon img {
            width: 28px;
            height: 28px;
        }
        
        /* 聊天窗口样式 */
        .chat-window {
            position: fixed;
            bottom: 70px;
            right: 20px;
            width: 90%;
            height: 500px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
            z-index: 1004;
            display: flex;
            flex-direction: column;
            transform: translateY(150%);
            opacity: 0;
            transition: all 0.4s ease;
            visibility: hidden;
        }
        
        .chat-window.active  {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        
        .chat-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 15px;
            background: #00479b;
            color: white;
            border-top-left-radius: 12px;
            border-top-right-radius: 12px;
        }
        
        .chat-header .header {
            display: flex;
            align-items: center;
            padding: 0;
            background: transparent;
            box-shadow: none;
            position: static;
            flex: 1;
        }
        
        .chat-header h3 {
            font-size: 16px;
            margin: 0;
        }
        
        .minimize-btn {
            background: transparent;
            border: none;
            color: #000;
            font-size: 20px;
            cursor: pointer;
            padding: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .chat-content {
            flex: 1;
            padding: 15px;
            overflow-y: auto;
            position: relative;
            font-size: 14px;
            line-height: 1.6;
        }
        
        .chat-image {
            width: 100%;
            border-radius: 8px;
            height: auto;
        }
        
        .chat-image-close {
            position: absolute;
            top: 5px;
            right: 5px;
            background: rgba(0, 0, 0, 0.5);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            z-index: 10;
        }
        
        .chat-input-container {
            display: flex;
            padding: 10px 15px;
            border-top: 1px solid #eee;
        }
        
        .chat-input {
            flex: 1;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 20px;
            outline: none;
            font-size: 14px;
        }
        
        .send-btn {
            margin-left: 10px;
            background: #00479b;
            color: white;
            border: none;
            border-radius: 20px;
            padding: 0 15px;
            cursor: pointer;
        }
        
        /* 新增动画效果 */
        @keyframes slideIn {
            from {
                transform: translateY(-20px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        
        .animate-in {
            animation: slideIn 0.4s ease-out forwards;
        }
        
        /* 搜索建议框 */
        .search-suggestions {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-radius: 0 0 8px 8px;
            max-height: 200px;
            overflow-y: auto;
            z-index: 1002;
            display: none;
        }
        
        .search-suggestions.active  {
            display: block;
        }
        
        .suggestion-item {
            padding: 10px 20px;
            border-bottom: 1px solid #eee;
            cursor: pointer;
            transition: background 0.2s;
        }
        
        .suggestion-item:hover {
            background: #f5f7fa;
        }