/* style.css */
body {
    background-color: #f4f7f6; /* 更柔和的背景色 */
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.card {
    border: none; /* 移除边框 */
    border-radius: 12px; /* 更大的圆角 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* 更柔和的阴影 */
    transition: all 0.3s ease-in-out; /* 平滑过渡效果 */
    overflow: hidden; /* 保证子元素不会溢出圆角 */
}

.card:hover {
    transform: translateY(-5px); /* 悬停时轻微上浮 */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card-header {
    background-color: #ffffff;
    border-bottom: 1px solid #e9ecef;
    font-weight: 600;
}

.card-title {
    color: #495057;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: #212529;
}

#report-info h5 {
    margin-bottom: 0.25rem;
}

#report-info small {
    font-size: 0.85rem;
}

/* 加载动画容器样式 */
.loading-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 4rem 2rem;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* 动态内容加载动画 */
.fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}