body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f0f0f0;
    color: #2c3e50;
}
.container {
    max-width: 1000px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.product-info {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
}
.info-row {
    margin: 10px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.info-label {
    font-weight: bold;
    min-width: 50px;
    color: #2c3e50;
}
.info-value {
    flex: 1;
}
.chart-container {
    position: relative;
    height: 400px;
    margin: 30px 0;
    width: 100%;
}
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    justify-content: center;
    flex-wrap: wrap;
}
.action-btn {
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.buy-btn {
    background-color: #28a745;
    color: white;
    border: none;
}
.buy-btn:hover {
    background-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.3);
}
.share-btn {
    background-color: #007BFF;
    color: white;
    border: none;
}
.share-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}
.back-link {
    display: inline-block;
    margin-top: 15px;
    color: #6c757d;
    text-decoration: none;
}
.back-link:hover {
    text-decoration: underline;
    color: #343a40;
}
.price-change {
    font-weight: bold;
    border-radius: 4px;
}
.increase {
    color: #e74c3c;
    background-color: #fef2f2;
}
.decrease {
    color: #2ecc71;
    background-color: #f0fdf4;
}
.no-change {
    color: #7f8c8d;
    background-color: #f8fafc;
}
.latest-price {
    color: #e74c3c;
    font-weight: bold;
    font-size: 1.2em;
}
.share-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.share-toast.show {
    opacity: 1;
}

.disclaimer {
    margin-top: 30px;
    padding-top:15px;
    border-top:1px solid #eee;
    font-size:13px;
    color:#666;
    line-height:1.6;
    text-align:center;
}