/* 禁用正常滚动 */
html, body {
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

/* 全屏滚动基础样式 */
section {
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 0;
    position: relative;
}

/* 响应式调整 */
@media (max-width: 640px) {
    section {
        padding: 1rem 0;
    }
    
    #intro {
        padding-top: 5rem;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    section {
        padding: 3rem 0;
    }
    
    #intro {
        padding-top: 6rem;
    }
}

@media (min-width: 1025px) {
    section {
        padding: 4rem 0;
    }
    
    #intro {
        padding-top: 7rem;
    }
}