/*去除ie edge的密码框默认出现的小眼睛*/
        input[type="password"]::-ms-reveal {
            display: none;
        }

        input[type="password"]::-ms-clear {
            display: none;
        }

        input[type="password"]::-o-clear {
            display: none;
        }

        .zh-only,
        .en-only,
        .cn-text,
        .en-text {
            display: none !important;
        }

        .lang-zh .zh-only,
        .lang-en .en-only,
        .lang-zh .cn-text,
        .lang-en .en-text {
            display: inline !important;
        }

        .lang-zh .en-only,
        .lang-en .zh-only,
        .lang-zh .en-text,
        .lang-en .cn-text {
            display: none !important;
        }

        .loading .zh-only:not([data-loading]),
        .loading .en-only:not([data-loading]),
        .loading .cn-text:not([data-loading]),
        .loading .en-text:not([data-loading]) {
            visibility: hidden;
        }

        .loading.lang-zh .zh-only:not([data-loading]),
        .loading.lang-en .en-only:not([data-loading]),
        .loading.lang-zh .cn-text:not([data-loading]),
        .loading.lang-en .en-text:not([data-loading]) {
            visibility: visible;
        }

        .navbar {
            display: flex;
            align-items: center;
            padding: 0 60px;
            background-color: #ffffff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            height: 70px;
            width: 100%;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }

        .container {
            margin-top: 70px;
        }

        .navbar-logo {
            font-size: 24px;
            font-weight: bold;
            color: #2c3e50;
            text-decoration: none;
            display: flex;
            align-items: center;
            margin-right: 10px;
        }

        .navbar-logo img {
            height: 35px;
            margin-right: 10px;
        }

        .navbar-middle {
            margin-right: auto;
            display: flex;
            align-items: center;
            overflow: hidden;
            min-width: 88px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            white-space: nowrap;
            transition: transform 0.3s ease;
        }

        .nav-links li {
            margin: 0 1.5rem;
            white-space: nowrap;
        }

        .nav-links a {
            color: #333;
            text-decoration: none;
            padding: 25px 4px;
            display: inline-block;
            transition: color 0.3s ease;
            font-weight: 500;
            position: relative;
        }

        .nav-links a.active {
            color: #0066cc;
            /* 常亮颜色 */
            font-weight: 600;
            /* 字体加粗 */
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 20px;
            left: 4px;
            right: 4px;
            height: 2px;
            background-color: #0066cc;
            border-radius: 1px;
        }

        .nav-links a:hover {
            color: #2980b9;
        }

        .dropdown-menus-container {
            position: absolute;
            top: 50px;
            left: 0;
            width: 100%;
            pointer-events: none;
        }

        .dropdown-menu {
            position: absolute;
            background-color: rgba(255, 255, 255, 0.95);
            min-width: 150px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
            border-radius: 4px;
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 1000;
            list-style: none;
            pointer-events: none;
        }

        .dropdown-menu.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .dropdown-menu li {
            margin: 0;
        }

        .dropdown-item {
            margin: 0 auto;
        }

        .dropdown-menu a {
            padding: 12px 24px;
            color: #333;
            transition: all 0.3s ease;
            text-decoration: none;
            display: block;
            white-space: nowrap;
        }

        .dropdown-menu a:hover {
            background-color: #f5f7fa;
            color: #2980b9;
        }

        .navbar-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        /* 导航滑动按钮样式 */
        .nav-slide-btn {
            background-color: rgba(255, 255, 255, 0.9);
            border: none;
            color: #333;
            font-size: 1.5rem;
            width: 20px;
            height: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            z-index: 1000;
            box-shadow: none;
        }

        .nav-slide-left {
            margin-right: 40px;
        }

        .nav-slide-right {
            margin: 0 10px;
        }

        .nav-slide-btn:hover {
            color: #2980b9;
        }

        .nav-slide-btn:active {
            transform: scale(0.95);
        }

        .search-container {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-icon {
            color: #333;
            cursor: pointer;
            font-size: 1.2rem;
            transition: color 0.3s ease;
            order: 2;
            /* 将图标放在右侧 */
        }

        .search-icon:hover {
            color: #2980b9;
        }

        .search-box {
            position: absolute;
            right: 100%;
            top: 50%;
            transform: translateY(-50%);
            margin-right: 10px;
            /* 与图标保持一定距离 */
            padding: 8px 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            width: 0;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            order: 1;
            /* 将搜索框放在左侧 */
        }

        .search-box.active {
            width: 274px;
            opacity: 1;
            visibility: visible;
            z-index: 1002;
        }

        /* 搜索结果下拉列表样式 */
        .search-results-dropdown {
            position: absolute;
            top: 100%;
            right: 100%;
            margin-right: 10px;
            width: 300px;
            max-height: 400px;
            margin-top: 32px;
            overflow-y: auto;
            background-color: white;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            z-index: 9999;
            display: none;
        }

        .search-results-dropdown.show {
            display: block;
        }

        .search-results-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .search-result-item {
            padding: 12px 16px;
            border-bottom: 1px solid #eee;
            cursor: pointer;
            transition: background-color 0.2s ease;
        }

        .search-result-item:hover {
            background-color: #f5f7fa;
        }

        .search-result-item:last-child {
            border-bottom: none;
        }

        .search-result-name {
            font-weight: 600;
            margin-bottom: 4px;
            color: #333;
        }

        .search-result-summary {
            font-size: 0.8rem;
            color: #666;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .search-result-path {
            font-size: 0.7rem;
            color: #999;
        }

        .search-result-count {
            padding: 8px 16px;
            background-color: white;
            color: #333;
            font-weight: 600;
            border-bottom: 1px solid #eee;
            text-align: left;
        }

        .search-highlight {
            color: #2980b9;
            font-weight: bold;
        }

        /* 语言切换样式 */
        .language-switch {
            background: none;
            border: none;
            padding: 6px 0;
            cursor: default;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #333;
            white-space: nowrap;
        }

        .language-option {
            transition: all 0.3s ease;
            padding: 3px 8px;
            border-radius: 4px;
            cursor: pointer;
        }

        .language-option:hover {
            background-color: #f5f7fa;
            color: #2980b9;
        }

        .language-divider {
            color: #999;
            cursor: default !important;
            pointer-events: none !important;
            user-select: none !important;
        }

        /* 登录按钮样式 */
        .login-button-container {
            display: flex;
            align-items: center;
            white-space: nowrap;
            margin-right: 113px;
        }

        .login-button {
            padding: 2px 10px;
            background-color: #0066cc;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid #0066cc;
        }

        .login-button:hover {
            background-color: #0052a3;
            border-color: #0052a3;
            color: white;
            text-decoration: none;
        }

        .login-button:active {
            background-color: #004080;
            border-color: #004080;
        }

        /* 账户按钮样式 */
        .user-account-container {
            display: flex;
            align-items: center;
            position: relative;
        }

        .user-account-button {
            padding: 0;
            background-color: #0066cc !important;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid #0066cc !important;
            width: 54px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
        }

        .user-account-button:hover {
            background-color: #0052a3 !important;
            border-color: #0052a3 !important;
            color: white;
        }

        .user-account-button:active {
            background-color: #004080 !important;
            border-color: #004080 !important;
        }

        .account-username {
            max-width: 45px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: inline-block;
            vertical-align: middle;
            font-size: 16px;
            margin: 0 2px;
        }

        /* 未读消息徽章样式 */
        .unread-message-badge {
            position: absolute;
            top: -6px;
            right: -8px;
            background-color: #dc3545;
            color: white;
            border-radius: 50%;
            min-width: 16px;
            height: 16px;
            font-size: 10px;
            line-height: 16px;
            text-align: center;
            font-weight: bold;
            padding: 0 2px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        .unread-message-count {
            display: block;
            line-height: 16px;
        }

        /* 客服红点标记样式 */
        .customer-service-dot {
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            background-color: #dc3545;
            border-radius: 50%;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        /* 用户下拉菜单样式 */
        .user-dropdown {
            position: absolute;
            top: 100%;
            right: -50px;
            background-color: rgba(255, 255, 255, 0.95);
            min-width: 160px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
            border-radius: 4px;
            padding: 8px 0;
            margin-top: 24px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }

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

        .user-dropdown .dropdown-item {
            display: block;
            padding: 10px 16px;
            color: #333;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .user-dropdown .dropdown-item:hover {
            background-color: #f5f7fa;
            color: #2980b9;
            text-decoration: none;
        }

        .user-name {
            max-width: 80px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: inline-block;
            vertical-align: middle;
            font-size: inherit;
        }

        .login-button.logged-in {
            background-color: #0066cc;
            border-color: #0066cc;
        }

        .login-button.logged-in:hover {
            background-color: #0052a3;
            border-color: #0052a3;
        }

        .site-footer {
            min-width: 1548px;
            background-color: #f8f8f8;
            padding: 1.5rem 2rem;
            margin-top: 2rem;
        }

        .footer-container {
            margin: 0 auto;
            text-align: center;
            color: #666666;
            font-size: 0.9rem;
        }

        .footer-contact {
            margin-top: 0.5rem;
        }

        /* 登录弹窗样式 */
        .login-modal {
            display: none;
            /* 默认隐藏 */
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .login-modal.show {
            display: flex;
            /* 显示时使用flexbox居中 */
            align-items: center;
            justify-content: center;
        }

        .login-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 90%;
            max-width: 450px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
        }

        .login-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
        }

        .login-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.5rem;
            font-weight: 600;
        }

        /* 登录提示信息样式 */
        .login-notice {
            padding: 16px 24px;
            background-color: #e8f4fd;
            border-left: 4px solid #0066cc;
            margin: 0;
        }

        .login-notice .notice-content {
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0066cc;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .login-notice .notice-content i {
            margin-right: 8px;
            font-size: 1rem;
        }

        .login-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            line-height: 1;
            transition: color 0.3s ease;
        }

        .login-modal-close:hover,
        .login-modal-close:focus {
            color: #000;
        }

        .login-modal-body {
            padding: 24px;
            text-align: center;
            color: #666;
            line-height: 1.6;
        }

        .login-modal-body p {
            margin: 0;
            font-size: 1rem;
        }

        .login-modal-footer {
            padding: 16px 24px;
            border-top: 1px solid #eee;
            text-align: right;
            background-color: #f8f9fa;
            border-radius: 0 0 8px 8px;
        }

        .login-modal-button {
            background-color: #0066cc;
            color: white;
            border: none;
            padding: 10px 20px;
            margin-left: 8px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background-color 0.3s ease;
        }

        .login-modal-button:hover {
            background-color: #0052a3;
        }

        /* 动画效果 */
        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        @keyframes slideIn {
            from {
                transform: translateY(-50px);
                opacity: 0;
            }

            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        /* 登录表单样式 */
        .login-form,
        .register-form {
            text-align: left;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-weight: 500;
            color: #333;
            font-size: 0.9rem;
        }

        .form-input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 0.9rem;
            transition: border-color 0.3s ease;
            box-sizing: border-box;
        }

        .form-input:focus {
            outline: none;
            border-color: #0066cc;
            box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
        }

        .login-submit-btn,
        .register-submit-btn {
            width: 100%;
            padding: 12px;
            background-color: #0066cc;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.3s ease;
            margin-top: 8px;
        }

        .login-submit-btn:hover,
        .register-submit-btn:hover {
            background-color: #0052a3;
        }

        .login-submit-btn:active,
        .register-submit-btn:active {
            background-color: #004080;
        }

        .form-footer {
            text-align: center;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid #eee;
        }

        .form-footer a {
            color: #0066cc;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .form-footer a:hover {
            color: #0052a3;
            text-decoration: underline;
        }

        /* 客服弹窗样式 */
        .customer-service-modal {
            display: none;
            /* 默认隐藏 */
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .customer-service-modal.show {
            display: flex;
            /* 显示时使用flexbox居中 */
            align-items: center;
            justify-content: center;
        }

        .customer-service-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 80%;
            max-width: 1200px;
            height: 80%;
            max-height: 800px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
            display: flex;
            flex-direction: column;
        }

        .customer-service-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
            flex-shrink: 0;
        }

        .customer-service-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.5rem;
            font-weight: 600;
        }

        .customer-service-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            line-height: 1;
            transition: color 0.3s ease;
        }

        .customer-service-modal-close:hover,
        .customer-service-modal-close:focus {
            color: #000;
        }

        .customer-service-modal-body {
            padding: 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .customer-service-upper-section {
            flex: 3;
            /* 占据3/4高度 */
            display: flex;
            padding: 0 10px;
            overflow: auto;
        }

        .chat-history-container {
            width: 100%;
            padding: 10px 20px 0 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .chat-message {
            max-width: 80%;
            padding: 12px 16px;
            border-radius: 12px;
            margin-bottom: 12px;
            word-wrap: break-word;
            white-space: normal;
            /* 允许正常换行 */
            overflow-wrap: break-word;
        }

        .chat-message.user-message {
            align-self: flex-end;
            background-color: #e3f2fd;
            color: #333;
            text-align: right;
            border-radius: 12px 12px 0 12px;
            margin-left: auto;
            max-width: 70%;
        }

        .chat-message.customer-service-message {
            align-self: flex-start;
            background-color: #f5f5f5;
            color: #333;
            text-align: left;
            border-radius: 12px 12px 12px 0;
            margin-right: auto;
            max-width: 70%;
        }

        /* 企业认证弹窗样式 */
        .enterprise-certification-modal {
            display: none;
            /* 默认隐藏 */
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .enterprise-certification-modal.show {
            display: flex;
            /* 显示时使用flexbox居中 */
            align-items: center;
            justify-content: center;
        }

        .enterprise-certification-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 90%;
            max-width: 600px;
            max-height: 80%;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
            display: flex;
            flex-direction: column;
        }

        .enterprise-certification-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
            flex-shrink: 0;
        }

        .enterprise-certification-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.5rem;
            font-weight: 600;
        }

        .enterprise-certification-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            line-height: 1;
            transition: color 0.3s ease;
        }

        .enterprise-certification-modal-close:hover,
        .enterprise-certification-modal-close:focus {
            color: #000;
        }

        .enterprise-certification-modal-body {
            padding: 24px;
            flex: 1;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .enterprise-info-section {
            margin-bottom: 10px;
        }

        .enterprise-info {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            background-color: #e3f2fd;
            border-radius: 6px;
            border-left: 4px solid #2196f3;
            color: #333;
            font-size: 14px;
        }

        .enterprise-info i {
            margin-right: 8px;
            color: #2196f3;
        }

        .enterprise-form-section {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .enterprise-label {
            font-weight: 600;
            color: #333;
            font-size: 14px;
        }

        .enterprise-input {
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 14px;
            transition: border-color 0.3s ease;
            outline: none;
        }

        .enterprise-input:focus {
            border-color: #2196f3;
            box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
        }

        .business-license-section {
            margin-bottom: 10px;
        }

        .image-preview-section {
            margin-bottom: 20px;
        }

        .image-upload-area {
            border: 2px dashed #ddd;
            border-radius: 8px;
            padding: 40px 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            background-color: #fafafa;
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .image-upload-area:hover {
            border-color: #2196f3;
            background-color: #f0f8ff;
        }

        .upload-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            color: #666;
        }

        .upload-placeholder i {
            font-size: 48px;
            color: #2196f3;
        }

        .upload-placeholder span {
            font-size: 16px;
            font-weight: 500;
        }

        .preview-image {
            max-width: 100%;
            max-height: 300px;
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .submit-section {
            margin-top: 10px;
        }

        .submit-certification-btn {
            width: 100%;
            padding: 12px 24px;
            background-color: #2196f3;
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .submit-certification-btn:hover {
            background-color: #1976d2;
        }

        .submit-certification-btn:active {
            background-color: #1565c0;
        }

        /* 动画效果 */
        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }


        /* 右对齐样式 - 用户发送的消息 */
        .chat-message.right-aligned {
            align-self: flex-end;
            background-color: #e3f2fd;
            color: #333;
            text-align: right;
            border-radius: 12px 12px 0 12px;
            margin-left: auto;
            max-width: 70%;
        }

        /* 左对齐样式 - 客服回复的消息 */
        .chat-message.left-aligned {
            align-self: flex-start;
            background-color: #f5f5f5;
            color: #333;
            text-align: left;
            border-radius: 12px 12px 12px 0;
            margin-right: auto;
            max-width: 70%;
        }

        /* 用户名样式 */
        .message-username {
            font-size: 0.8rem;
            font-weight: bold;
            margin-bottom: 4px;
            opacity: 0.8;
        }

        /* 消息内容样式 */
        .message-content {
            font-size: 0.9rem;
            line-height: 1.5;
            word-wrap: break-word;
            white-space: pre-wrap;
            /* 保留换行符，支持多行文本显示 */
            overflow-wrap: break-word;
            /* 确保长单词能够正确换行 */
        }

        /* 用户名样式 */
        .message-username {
            font-size: 0.8rem;
            font-weight: bold;
            margin-bottom: 4px;
            opacity: 0.8;
        }

        /* 消息内容样式 */
        .message-content {
            font-size: 0.9rem;
            line-height: 1.4;
            word-wrap: break-word;
        }

        /* DXF文件消息样式 */
        .dxf-file-message {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            background-color: #f0f7ff;
            border-radius: 8px;
            border: 1px solid #d0e3ff;
        }

        .dxf-file-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            flex-shrink: 0;
        }

        .dxf-file-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
            text-align: left;
        }

        .dxf-file-name-display {
            font-size: 0.85rem;
            font-weight: 500;
            color: #333;
            word-break: break-all;
        }

        .dxf-file-label {
            font-size: 0.75rem;
            color: #667eea;
            font-weight: 600;
        }

        .customer-service-divider {
            height: 1px;
            background-color: #eee;
            margin: 0;
            flex-shrink: 0;
        }

        .customer-service-lower-section {
            flex: 1;
            /* 占据1/4高度 */
            padding: 0;
            background-color: #f8f9fa;
            border-top: 1px solid #eee;
        }

        .customer-service-input-container {
            position: relative;
            width: 100%;
            height: 100%;
            padding: 0;
        }

        .customer-service-input {
            width: 100%;
            height: 100%;
            padding: 16px 60px 16px 16px;
            /* 右侧留出按钮空间 */
            border: none;
            border-radius: 0;
            font-size: 0.9rem;
            font-family: inherit;
            resize: none;
            background-color: transparent;
            box-sizing: border-box;
            outline: none;
        }

        .send-button-inline {
            position: absolute;
            bottom: 16px;
            right: 16px;
            padding: 8px 16px;
            border: none;
            border-radius: 4px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            background-color: #0066cc;
            color: white;
            transition: background-color 0.3s ease, transform 0.1s ease;
            z-index: 10;
        }

        .send-button-inline:hover {
            background-color: #0052a3;
        }

        .send-button-inline:active {
            background-color: #004080;
            transform: translateY(1px);
        }

        /* 设置下拉菜单样式 */
        .settings-dropdown-container {
            position: relative;
        }

        .settings-dropdown-container .settings-trigger {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
        }

        .settings-dropdown-container .settings-arrow {
            font-size: 0.75rem;
            transition: transform 0.3s ease;
            margin-left: 8px;
        }

        .settings-dropdown-container:hover .settings-arrow {
            transform: rotate(90deg);
        }

        .settings-submenu {
            position: absolute;
            right: 101%;
            top: 0;
            background-color: rgba(255, 255, 255, 0.98);
            min-width: 150px;
            box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.15);
            border-radius: 4px;
            padding: 8px 0;
            margin-left: 4px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 1001;
            pointer-events: none;
        }

        .settings-submenu.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .settings-submenu .submenu-item {
            display: block;
            padding: 10px 16px;
            color: #333;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .settings-submenu.show .submenu-item:hover {
            background-color: #f5f7fa;
            color: #2980b9;
            text-decoration: none;
        }

        /* 修改昵称弹窗样式 */
        .change-nickname-modal {
            display: none;
            position: fixed;
            z-index: 10001;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .change-nickname-modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .change-nickname-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
        }

        .change-nickname-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
        }

        .change-nickname-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .change-nickname-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .change-nickname-modal-close:hover {
            color: #333;
        }

        .change-nickname-modal-body {
            padding: 24px;
        }

        .change-nickname-form .form-group {
            margin-bottom: 20px;
        }

        .change-nickname-form label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }

        .change-nickname-form .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            box-sizing: border-box;
        }

        .change-nickname-form .form-input:focus {
            outline: none;
            border-color: #0066cc;
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
        }

        .change-nickname-submit-btn {
            width: 100%;
            padding: 12px 24px;
            background-color: #0066cc;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .change-nickname-submit-btn:hover {
            background-color: #0052a3;
        }

        /* 完善个人信息弹窗样式 */
        .complete-user-info-modal {
            display: none;
            position: fixed;
            z-index: 10001;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .complete-user-info-modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .complete-user-info-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 90%;
            max-width: 450px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
        }

        .complete-user-info-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
        }

        .complete-user-info-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .complete-user-info-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .complete-user-info-modal-close:hover {
            color: #333;
        }

        .complete-user-info-modal-body {
            padding: 24px;
        }

        .complete-user-info-form .form-group {
            margin-bottom: 20px;
        }

        .complete-user-info-form label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }

        .complete-user-info-form .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            box-sizing: border-box;
        }

        .complete-user-info-form .form-input:focus {
            outline: none;
            border-color: #0066cc;
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
        }

        .complete-user-info-submit-btn {
            width: 100%;
            padding: 12px 24px;
            background-color: #0066cc;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .complete-user-info-submit-btn:hover {
            background-color: #0052a3;
        }

        /* 换绑邮箱弹窗样式 */
        .change-email-modal {
            display: none;
            position: fixed;
            z-index: 10001;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .change-email-modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .change-email-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
        }

        .change-email-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
        }

        .change-email-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .change-email-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .change-email-modal-close:hover {
            color: #333;
        }

        .change-email-modal-body {
            padding: 24px;
        }

        .change-email-form .form-group {
            margin-bottom: 20px;
        }

        .change-email-form label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }

        .change-email-form .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            box-sizing: border-box;
        }

        .change-email-form .form-input:focus {
            outline: none;
            border-color: #0066cc;
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
        }

        .change-email-submit-btn {
            width: 100%;
            padding: 12px 24px;
            background-color: #0066cc;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .change-email-submit-btn:hover {
            background-color: #0052a3;
        }

        /* 重新认证弹窗样式 */
        .re-certification-modal {
            display: none;
            position: fixed;
            z-index: 10001;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .re-certification-modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .re-certification-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 90%;
            max-width: 500px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
        }

        .re-certification-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
        }

        .re-certification-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .re-certification-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .re-certification-modal-close:hover {
            color: #333;
        }

        .re-certification-modal-body {
            padding: 24px;
        }

        .re-certification-notice {
            padding: 16px;
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            margin-bottom: 20px;
            border-radius: 4px;
        }

        .re-certification-notice span {
            color: #856404;
            font-size: 0.95rem;
        }

        .re-certification-form .form-group {
            margin-bottom: 20px;
        }

        .re-certification-form label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }

        .re-certification-form .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            box-sizing: border-box;
        }

        .re-certification-form .form-input:focus {
            outline: none;
            border-color: #0066cc;
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
        }

        .re-certification-submit-btn {
            width: 100%;
            padding: 12px 24px;
            background-color: #0066cc;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .re-certification-submit-btn:hover {
            background-color: #0052a3;
        }

        /* 修改密码弹窗样式 */
        .change-password-modal {
            display: none;
            position: fixed;
            z-index: 10001;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease-in-out;
        }

        .change-password-modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .change-password-modal-content {
            background-color: #fefefe;
            margin: auto;
            padding: 0;
            border: 1px solid #888;
            border-radius: 8px;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            animation: slideIn 0.3s ease-in-out;
        }

        .change-password-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
        }

        .change-password-modal-header h2 {
            margin: 0;
            color: #333;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .change-password-modal-close {
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .change-password-modal-close:hover {
            color: #333;
        }

        .change-password-modal-body {
            padding: 24px;
        }

        .change-password-form .form-group {
            margin-bottom: 20px;
        }

        .change-password-form label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }

        .change-password-form .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            box-sizing: border-box;
        }

        .change-password-form .form-input:focus {
            outline: none;
            border-color: #0066cc;
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
        }

        .change-password-submit-btn {
            width: 100%;
            padding: 12px 24px;
            background-color: #0066cc;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .change-password-submit-btn:hover {
            background-color: #0052a3;
        }