/* 业务板块页面样式 */

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, var(--light-orange) 0%, var(--light-green) 100%);
    padding: 160px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-gray);
}

/* 业务导航 */
.business-nav {
    background: white;
    padding: 30px 0;
    position: sticky;
    top: 80px;
    z-index: 100;
    border-bottom: 1px solid #f0f0f0;
}

.nav-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.tab-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-light);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 600;
    transition: var(--transition);
}

.tab-item:hover,
.tab-item.active {
    background: var(--bg-gradient);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,179,102,0.4);
}

.tab-icon {
    font-size: 20px;
}

/* 业务区块 */
.business-section {
    padding: 80px 0;
}

.business-section.alt-bg {
    background: var(--bg-light);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

.content-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.content-text > p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 32px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-check {
    width: 28px;
    height: 28px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.feature-info p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
}

.content-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.visual-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.visual-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.visual-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.visual-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.visual-card p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .content-grid.reverse {
        direction: ltr;
    }
    
    .content-visual {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 28px;
    }

    .page-header p {
        font-size: 14px;
    }

    .nav-tabs {
        flex-wrap: wrap;
        gap: 8px;
    }

    .tab-item {
        padding: 8px 12px;
        font-size: 13px;
    }

    .tab-icon {
        font-size: 16px;
    }

    .content-text h3 {
        font-size: 20px;
    }

    .content-text p {
        font-size: 14px;
    }

    .content-visual {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .visual-card {
        padding: 16px;
    }

    .visual-icon {
        font-size: 32px;
    }

    .visual-card h4 {
        font-size: 14px;
    }

    .visual-card p {
        font-size: 12px;
    }

    .feature-item {
        padding: 12px;
    }

    .feature-check {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }

    .feature-info h4 {
        font-size: 14px;
    }

    .feature-info p {
        font-size: 12px;
    }

    .business-nav {
        top: 60px;
        padding: 8px 0;
    }
}