/* AiFintech 統一樣式 - 保持原始數據內容 */
:root {
    --primary-color: #2C5F73;
    --secondary-color: #4A90A4;
    --accent-color: #7FB069;
    --text-dark: #2D3748;
    --bg-light: #F7FAFC;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

/* 基本樣式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-light) 0%, #E2E8F0 100%);
    min-height: 100vh;
    color: var(--text-dark);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(44, 95, 115, 0.1);
}

/* 標題樣式 */
h1 {
    color: var(--primary-color);
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--secondary-color);
}

h2 {
    color: var(--primary-color);
    font-size: 1.6rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

h3 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 1.5rem 0 0.8rem 0;
}

/* 表格樣式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    font-weight: 600;
    padding: 1rem 0.8rem;
    text-align: center;
    border: none;
    font-size: 0.9rem;
}

td {
    padding: 1rem 0.8rem;
    text-align: center;
    border-bottom: 1px solid #e9ecef;
    vertical-align: middle;
}

tbody tr:hover {
    background-color: #f8f9fa;
}

tbody tr:last-child td {
    border-bottom: none;
}

/* 圖表容器 */
.chart-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin: 2rem 0;
    position: relative;
}

/* 數學公式樣式 */
.math {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* 註釋樣式 */
.note {
    font-size: 0.9em;
    color: #666;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1rem;
    border-left: 4px solid var(--info-color);
    border-radius: 0 8px 8px 0;
    margin: 1rem 0;
}

/* 按鈕樣式 */
.footer button,
.back-button {
    background: linear-gradient(135deg, var(--accent-color) 0%, #6ba055 100%);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(127, 176, 105, 0.3);
}

.footer button:hover,
.back-button:hover {
    background: linear-gradient(135deg, #6ba055 0%, #5e8f4a 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(127, 176, 105, 0.4);
}

/* 版權樣式 */
.copyright {
    text-align: center;
    background: var(--text-dark);
    color: white;
    padding: 1rem;
    margin: 2rem -2rem -2rem -2rem;
    font-size: 0.9rem;
}

/* 狀態樣式 */
.positive {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

.negative {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

.neutral {
    background-color: rgba(108, 117, 125, 0.1);
    color: #6c757d;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

/* 響應式設計 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    table {
        font-size: 0.8rem;
    }

    th, td {
        padding: 0.5rem 0.3rem;
    }

    .chart-container {
        padding: 1rem;
        height: 400px;
    }
}

/* 特殊樣式 */
.data-table {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.stats-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-left: 5px solid var(--secondary-color);
    margin: 1rem 0;
}

.stats-card h4 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.stats-card p {
    color: #6c757d;
    margin: 0;
    font-size: 0.9rem;
}