/* 品牌历程样式 */
.brand-history-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.history-year-item {
    flex: 1;
    min-width: 200px;
    max-width: calc(25% - 15px);
    background: #fff;
    border-radius: 8px;
    padding: 25px 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.history-year-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.year-title {
    font-size: 24px;
    font-weight: bold;
    color: #ff6600;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.year-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: #ff6600;
}

.year-content {
    text-align: left;
}

.year-event-title {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.year-event-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .brand-history-flex {
        gap: 15px;
    }
    
    .history-year-item {
        max-width: calc(33.33% - 10px);
        min-width: 180px;
        padding: 20px 12px;
    }
}

@media (max-width: 768px) {
    .brand-history-flex {
        gap: 15px;
    }
    
    .history-year-item {
        max-width: calc(50% - 8px);
        min-width: 150px;
        padding: 18px 10px;
    }
    
    .year-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .year-event-title {
        font-size: 15px;
    }
    
    .year-event-desc {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .brand-history-flex {
        flex-direction: column;
        gap: 15px;
    }
    
    .history-year-item {
        max-width: 100%;
        min-width: auto;
        padding: 15px 10px;
    }
    
    .year-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .year-title::after {
        width: 25px;
    }
    
    .year-event-title {
        font-size: 14px;
    }
    
    .year-event-desc {
        font-size: 12px;
    }
}