/* aboutus.css - 优化后的响应式样式 */

.top {
    background: #F6F6F6;
    padding: clamp(40px, 7vw, 80px) clamp(20px, 8vw, 240px) 0;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo {
    max-width: 1440px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: clamp(35px, 6vw, 70px);
}

.logo > img {
    width: 155px;
    height: 55px;
}

.content {
    padding-bottom: clamp(40px, 7vw, 80px);
    max-width: 1440px;
}

.content > div {
    font-family: "Source Han Sans CN", "Microsoft YaHei", sans-serif;
    color: #919191;
    font-size: 18px;  
    margin-bottom: 15px;
    line-height: clamp(24px, 3vw, 34px);
    font-weight: 600;
}

.bottom {
    padding: clamp(40px, 7vw, 80px) clamp(20px, 8vw, 240px) 0;
    max-width: min(calc(100% - 160px), 1800px);
    margin: 0 auto;
    padding-bottom: 40px;
}

.bottom-title {
    font-size: 28px;
    text-align: center;
    color: #595858;
    font-family: "Source Han Sans CN", "Microsoft YaHei", sans-serif;
    margin-bottom: 60px;
}

.bottom-icon {
    display: flex;
    justify-content: space-between;
    margin-top: clamp(30px, 5vw, 60px);
    padding-bottom: clamp(45px, 8vw, 90px);
    border-bottom: 1px solid #919191;
    flex-wrap: wrap;
    margin: 0px auto;
    gap: clamp(20px, 3vw, 40px);
    max-width: 1440px;
}

.bottom-icon > img {
    max-width: 300px;
    height: auto;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .bottom-icon {
        justify-content: center;
    }
}