/* 主营业务新样式 - 三栏Swiper布局 */
.main-business-section {
    padding: 60px 0;
    background-color: #f5f5f5;
}

.business-title-bar {
    text-align: center;
    margin-bottom: 50px;
}

.business-title {
    font-size: 40px;
    color: #333;
    font-weight: 500;
}

.business-cards-container {
    max-width: 1560px;
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    position: relative;
    box-sizing: border-box;
}

.business_swiper {
    display: flex;
    align-items: stretch;
    position: relative;
    height: 340px;
    gap: 0;
}

/* 左侧Swiper - 使用百分比 (300/1520 = 19.74%) */
.business_swiper_left {
    width: 19.74%;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.business_swiper_left .swiper-slide {
    background: #e8e8e8;
    padding: 68.75px 25px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 340px;
}

.business_swiper_left .business_swiper_word {
    font-size: 30px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 500;
    line-height: 1.2;
}

.business_swiper_left .business_swiper_lable {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    max-height: 76.8px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    text-align: justify;
}

/* 右侧Swiper - 使用百分比 (300/1520 = 19.74%) */
.business_swiper_right {
    width: 19.74%;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.business_swiper_right .swiper-slide {
    background: #e8e8e8;
    padding: 68.75px 25px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 340px;
}

.business_swiper_right .business_swiper_word {
    font-size: 30px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 500;
    line-height: 1.2;
}

.business_swiper_right .business_swiper_lable {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    max-height: 76.8px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    text-align: justify;
}

/* 中间主Swiper - 使用百分比 (920/1520 = 60.53%) */
.business_swiper_mian {
    width: 60.53%;
    position: relative;
    overflow: visible;
    z-index: 2;
}

.business_swiper_mian_box {
    overflow: hidden;
}

.business_swiper_content {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #5fb4e5 0%, #8dd5f5 100%);
    padding: 68.75px 40px;
    height: 100%;
}

.business_swiper_photo {
    width: 360px;
    height: 202.5px;
    flex-shrink: 0;
    margin-right: 40px;
}

.business_swiper_photo img {
    width: 360px;
    height: 202.5px;
    display: block;
    border-radius: 4px;
    object-fit: cover;
}

.business_swiper_box {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 202.5px;
    justify-content: flex-start;
}

.business_swiper_box_title {
    font-size: 30px;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 500;
    line-height: 1.2;
}

/* 完整横线（单条） */
.business_swiper_line_single {
    width: 120px;
    height: 3px;
    background: #fff;
    margin-bottom: 20px;
}

/* 左右两侧的横线颜色 */
.business_swiper_left .business_swiper_line_single,
.business_swiper_right .business_swiper_line_single {
    background: rgba(102, 102, 102, 1);
}

.business_swiper_line {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.business_swiper_line_mian {
    width: 40px;
    height: 3px;
    background: #fff;
}

.business_swiper_box_word {
    font-size: 16px;
    color: #fff;
    line-height: 1.6;
    height: 102.4px;
    overflow-y: auto;
    text-align: justify;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.business_swiper_box_word::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* 导航箭头 */
.business_swiper_next,
.business_swiper_prev {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(150, 150, 150, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 100;
}

.business_swiper_next:hover,
.business_swiper_prev:hover {
    background: rgba(120, 120, 120, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.business_swiper_prev {
    left: -20px;
}

.business_swiper_next {
    right: -20px;
}

.business_swiper_next::after,
.business_swiper_prev::after {
    content: '';
    width: 12px;
    height: 12px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
}

.business_swiper_prev::after {
    transform: rotate(-135deg);
    margin-left: 4px;
}

.business_swiper_next::after {
    transform: rotate(45deg);
    margin-right: 4px;
}

/* 占位高度 */
.height1 {
    height: 0;
}

/* 遮罩层（可选） */
.business_swiper_cover {
    display: none;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .business_swiper {
        flex-direction: column;
        height: auto;
    }
    
    .business_swiper_left,
    .business_swiper_right,
    .business_swiper_mian {
        width: 100% !important;
    }
    
    .business_swiper_left,
    .business_swiper_right {
        display: none !important;
    }
    
    .business_swiper_content {
        flex-direction: column;
    }
    
    .business_swiper_photo {
        width: 100%;
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .business_swiper_prev,
    .business_swiper_next {
        top: auto;
        bottom: 20px;
        transform: none;
    }
    
    .business_swiper_prev {
        left: 50%;
        margin-left: -50px;
    }
    
    .business_swiper_next {
        right: 50%;
        margin-right: -50px;
    }
}

@media (max-width: 768px) {
    .business-title {
        font-size: 32px;
    }
    
    .business_swiper_content {
        padding: 30px 20px;
    }
    
    .business_swiper_box_title {
        font-size: 24px;
    }
    
    .business_swiper_box_word {
        font-size: 14px;
    }
}