body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.nav-links {
    text-align: right;
    margin: 10px 0;
}

.nav-links a {
    color: #666;
    text-decoration: none;
    margin-left: 15px;
}

.nav-links a:hover {
    color: #1a73e8;
}

h1, h2 {
    color: #333;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    margin-bottom: 10px;
}

.checkbox-group {
    display: flex;
    flex-direction: row !important;  /* 强制横向排列 */
    justify-content: flex-start;
    gap: 30px;
    margin: 10px 0;
    flex-wrap: nowrap;  /* 防止换行 */
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;  /* 防止文字换行 */
}

button {
    background-color: #1a73e8;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background-color: #1557b0;
}

.delete-btn {
    background-color: #dc3545;
}

.delete-btn:hover {
    background-color: #c82333;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    background-color: #f8f9fa;
    font-weight: bold;
}

.message {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.message.error {
    background-color: #fff3f3;
    color: #dc3545;
    border: 1px solid #ffd7d7;
}

.message.success {
    background-color: #f0fff4;
    color: #28a745;
    border: 1px solid #d4edda;
}

.filter-item {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.filter-item input {
    width: calc(100% - 70px);
}

.filter-tag {
    background-color: #e9ecef;
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 5px;
    font-size: 12px;
}

.secondary-btn {
    background-color: #6c757d;
    color: white;
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.secondary-btn:hover {
    background-color: #5a6268;
}

.edit-form {
    margin-top: 10px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f8f9fa;
}

.filter-input-list {
    margin-bottom: 10px;
}

.edit-actions {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.edit-btn {
    background-color: #ffc107;
    color: #000;
}

.edit-btn:hover {
    background-color: #e0a800;
}

.save-btn {
    background-color: #28a745;
}

.save-btn:hover {
    background-color: #218838;
}

.cancel-btn {
    background-color: #6c757d;
}

.cancel-btn:hover {
    background-color: #5a6268;
}

.response-info {
    margin: 20px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.response-item {
    margin: 5px 0;
    display: flex;
    align-items: center;
}

.response-label {
    font-weight: bold;
    width: 120px;
    color: #555;
}

.response-value {
    flex: 1;
}

.copy-button {
    background-color: #21c20c;
    margin-left: 10px;
    padding: 8px 20px;  /* 增大内边距 */
    font-size: 22px;    /* 增大字体 */
    min-width: 120px;   /* 设置最小宽度 */
}

copy-button:hover {
    background-color: #218838;
}

.qrcode-container {
    margin-top: 20px;
    text-align: center;
    padding: 15px;
    background-color: #ffffff;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

#qrcode {
    padding: 10px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#qrcode canvas {
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.qrcode-hint {
    color: #666;
    margin: 5px 0 0 0;
    font-size: 12px;
}

.qrcode-info {
    margin-top: 10px;
    text-align: center;
    font-size: 13px;
    color: #333;
    padding: 5px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.qrcode-info p {
    margin: 3px 0;
    font-family: monospace;
}

.filter-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.search-form {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-input {
    max-width: 300px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 0;
}

.history-list {
    margin-bottom: 20px;
}

.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.pagination-container .page-link {
    color: #1a73e8;
}

.pagination-container .page-item.active .page-link {
    background-color: #1a73e8;
    border-color: #1a73e8;
}

.pagination {
    display: flex;
    padding-left: 0;
    list-style: none;
    border-radius: 0.25rem;
    margin: 20px 0;
}

.pagination li {
    margin: 0 2px;
}

.pagination .page-link {
    position: relative;
    display: block;
    padding: 0.5rem 0.75rem;
    line-height: 1.25;
    color: #007bff;
    background-color: #fff;
    border: 1px solid #dee2e6;
    transition: all 0.2s ease-in-out;
}

.pagination .page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
    color: white;
}

.pagination .page-link:hover {
    z-index: 2;
    color: #0056b3;
    text-decoration: none;
    background-color: #e9ecef;
    border-color: #dee2e6;
}

.reset-btn {
    background-color: #ffc107;
    color: #000;
    margin-left: 10px;
}

.reset-btn:hover {
    background-color: #e0a800;
}

/* 添加移动设备响应式样式 */
@media screen and (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    .header {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        margin-top: 10px;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .nav-links a {
        margin: 5px;
    }

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

    .checkbox-group {
        flex-direction: column;
        gap: 15px;  /* 移动端减小间距 */
        justify-content: space-between;  /* 移动端均匀分布 */
    }

    .checkbox-group label {
        margin: 5px 0;
    }

    .response-item {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 15px;
    }

    .response-label {
        width: 100%;
        margin-bottom: 5px;
    }

    .response-value {
        width: 100%;
        word-break: break-all;
    }

    .copy-button {
        margin: 10px 0 0 0;
        width: 100%;
        padding: 12px 20px;    /* 在移动设备上进一步增大内边距 */
        font-size: 16px;       /* 保持字体大小一致 */
        min-height: 45px;      /* 确保按钮高度足够大，易于点击 */
    }

    .qrcode-container {
        padding: 10px 0;
    }

    /* 修改表格布局适应小屏幕 */
    .table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .table th,
    .table td {
        padding: 8px;
        font-size: 14px;
    }

    /* 搜索表单响应式布局 */
    .search-form {
        flex-direction: column;
    }

    .search-input {
        max-width: 100%;
    }

    /* 分页按钮优化 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination li {
        margin: 2px;
    }
}

/* 优化二维码显示 */
@media screen and (max-width: 768px) {
    #qrcode {
        padding: 5px;
        margin: 0 auto;
    }

    #qrcode img,
    #qrcode canvas {
        max-width: 100%;
        height: auto;
    }

    .qrcode-info {
        font-size: 12px;
        padding: 8px 5px;
    }
}