/* 基础设置 */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --border-color: #dfe6e9;
    --card-bg: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: #f8f9fa;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* 页眉样式 */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

header h1 i {
    margin-right: 10px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 表单区域 */
.form-section {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-section h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
}

.form-section h2 i {
    margin-right: 10px;
    color: var(--primary-color);
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

input[type="text"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-tip {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 8px;
}

/* 按钮组 */
.button-group {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.btn {
    flex: 1;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--light-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #d6dbdf;
    transform: translateY(-2px);
}

/* 结果区域 */
.results-section {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.results-section h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
}

.results-section h2 i {
    margin-right: 10px;
    color: var(--success-color);
}

/* 摘要信息 */
.summary-box {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}

.summary-item {
    flex: 1;
    text-align: center;
    padding: 15px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.summary-item span {
    display: block;
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.summary-item strong {
    font-size: 1.6rem;
    color: var(--primary-color);
}

/* 股票列表 */
.stocks-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.table-header {
    display: flex;
    background-color: var(--secondary-color);
    color: white;
    font-weight: bold;
    padding: 12px 15px;
}

.table-header div {
    flex: 1;
}

.stock-row {
    display: flex;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.stock-row:last-child {
    border-bottom: none;
}

.stock-row:hover {
    background-color: #f8f9fa;
}

.stock-code {
    flex: 1;
    font-weight: 600;
    color: var(--primary-color);
}

.stock-name {
    flex: 3;
}

.no-result {
    padding: 30px;
    text-align: center;
    color: var(--text-light);
    font-style: italic;
}

.no-result i {
    margin-right: 10px;
    font-size: 1.5rem;
    color: var(--warning-color);
}

/* 错误消息 */
.error-message {
    background-color: #ffeeee;
    color: var(--danger-color);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid var(--danger-color);
    display: flex;
    align-items: center;
}

.error-message i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

footer p:first-child {
    margin-bottom: 8px;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .container {
        padding: 15px;
    }
    
    header {
        padding: 15px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .form-section, .results-section {
        padding: 20px;
    }
    
    .summary-box {
        flex-direction: column;
        gap: 10px;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .table-header, .stock-row {
        flex-direction: column;
    }
    
    .stock-code, .stock-name {
        padding: 5px 0;
    }
}