/* 业务板块样式 */
.business-section {
    padding: 3rem 0;
    background: #fff;
}

.business-section:nth-child(even) {
    background: var(--bg-gradient);
}

.business-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.business-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-top: 3rem;
}

.business-content.reverse {
    flex-direction: row-reverse;
}

.business-info {
    flex: 1;
}

.business-info h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.business-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.business-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.business-image {
    flex: 1;  /* 恢复默认比例 */
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.business-image img {
    width: 100%;
    height: 350px;  /* 适合正方形图片的高度 */
    object-fit: cover;  /* 覆盖模式适合正方形图片 */
}

.business-image:hover img {
    transform: scale(1.05);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.feature-list i {
    color: var(--primary-color);
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* 响应式布局 */
@media (max-width: 992px) {
    .business-content {
        flex-direction: column;
        gap: 2rem;
    }

    .business-content.reverse {
        flex-direction: column;
    }

    .business-info h3 {
        font-size: 1.8rem;
    }

    .business-info p {
        font-size: 1rem;
    }

    .business-image img {
        height: 300px;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .business-info h3 {
        font-size: 1.5rem;
    }

    .feature-list li {
        font-size: 1rem;
    }

    .business-image img {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .carbon-section .business-image {
        height: 300px;
    }
}

/* 双碳服务部分的图片样式优化 */
#carbon .business-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

#carbon .business-image {
    flex: 1.5;  /* 更宽的比例 */
    max-width: 65%;
}

#carbon .business-info {
    flex: 1;
}

#carbon .business-image img {
    height: 300px;
    object-fit: contain;  /* 保持原始比例 */
    object-position: center;
}

/* 响应式调整 */
@media (max-width: 992px) {
    #carbon .business-image {
        flex: 1;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    #carbon .business-image img {
        height: 220px;
    }
}

.learn-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    margin-top: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.learn-more i {
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.learn-more:hover {
    color: var(--primary-dark);
}

.learn-more:hover i {
    transform: translateX(5px);
}