/* 基础样式 */
:root {
    --content-max-width: 1200px;
    --content-padding: clamp(1rem, 5%, 3rem);
    --title-font-size: clamp(1.5rem, 4vw, 2.25rem);
    --text-font-size: clamp(1rem, 2vw, 1.25rem);
    --section-spacing: clamp(2rem, 5vw, 3rem);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

.duosi-page1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    min-height: 100vh;
    padding: var(--content-padding);
    background-color: rgba(0, 0, 0, 0.178);
}

.duosi-title {
    text-align: center;
    font-size: var(--title-font-size);
    font-weight: 700;
    color: #1e1e21;
    margin-top: 72px;
    margin-bottom: var(--section-spacing);
}

.duosi-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--section-spacing);
    max-width: var(--content-max-width);
    width: 100%;
    padding: var(--content-padding);
}

.duosi-content-1,
.duosi-content-2 {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.duosi-content-1-text,
.duosi-content-2-text {
    font-size: clamp(1.25rem, 3vw, 1.5625rem);
    font-weight: 500;
    line-height: 1.4;
}

.duosi-content-1-content,
.duosi-content-2-content {
    font-size: var(--text-font-size);
    font-weight: 500;
    line-height: 1.6;
    text-align: justify;
}

.duosi-content-1-image,
.duosi-content-2-image {
    width: 100%;
    aspect-ratio: 16/9;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
}

.duosi-content-1-image {
    background-image: url(../../images/duosi/应用1.jpg);
}

.duosi-content-2-image {
    background-image: url(../../images/duosi/应用2.jpg);
}

/* 响应式布局 */
@media (max-width: 768px) {
    .duosi-content {
        flex-direction: column;
    }

    .duosi-content-1,
    .duosi-content-2 {
        width: 100%;
    }

    .duosi-content-1-text,
    .duosi-content-2-text,
    .duosi-content-1-content,
    .duosi-content-2-content {
        padding: 0;
    }
}

/* 平板 */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --content-max-width: 90%;
    }
}

/* 大屏幕 */
@media (min-width: 1025px) {
    :root {
        --content-max-width: 1400px;
    }
}