/* 首页样式 */

/* 主内容区背景 */
.main {
    position: relative;
    z-index: 1;
}

/* 轮播图区域样式将在后续任务中添加 */

/* 业务介绍区域 */
.business-intro {
    padding: var(--spacing-3xl) 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
}

.business-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 136, 229, 0.05) 0%, rgba(66, 165, 245, 0.05) 100%);
    z-index: -1;
}

.business-intro__title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--secondary-color);
}

.business-intro__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
}

/* 核心优势区域 */
.advantages {
    padding: var(--spacing-3xl) 0;
    position: relative;
    background: rgba(245, 245, 245, 0.5);
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(30, 136, 229, 0.03) 0%, transparent 70%);
    z-index: -1;
}

.advantages__title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--secondary-color);
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.advantage-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-10px);
}

.advantage-card__icon {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.advantage-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.advantage-card__description {
    color: var(--light-text-color);
    line-height: var(--line-height-loose);
}

@media (max-width: 767px) {
    .advantages__grid {
        grid-template-columns: 1fr;
    }
}