/* ============================================
   关于页面样式 - 移动优先
   ============================================ */

/* 移动端基础样式（默认） */
.about-page {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: url(../images/bg_section.jpg) no-repeat;
    background-size: cover;
    background-position: center;
}

.about-title {
    width: 100%;
    padding: 1rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.about-title h1 {
    font-size: 1.5rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.5;
    margin: 0;
}

.about-title img {
    display: inline-block;
    vertical-align: middle;
    max-width: 2.5rem;
    height: auto;
}

.about-content {
    flex: 1;
    width: 100%;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.about-content p {
    margin: 0 0 1rem 0;
    text-indent: 2em;
    line-height: 1.8;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.about-content p a {
    color: var(--color-link);
}

.about-certificates {
    width: 100%;
    padding-top: 1rem;
    flex-shrink: 0;
}

.about-certificates ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
}

.about-certificates ul li {
    flex-shrink: 0;
}

.about-certificates ul li img {
    height: 8rem;
    width: auto;
    object-fit: cover;
}

/* 平板适配 */
@media (min-width: 768px) {
    .about-title h1 {
        font-size: 2rem;
    }

    .about-title img {
        max-width: 3rem;
    }

    .about-content p {
        font-size: 1rem;
    }

    .about-certificates ul li img {
        height: 12rem;
    }
}

/* 桌面端适配 */
@media (min-width: 992px) {
    .about-title h1 {
        font-size: 2.25rem;
    }

    .about-title img {
        max-width: 3.5rem;
    }

    .about-content p {
        padding: 0 10%;
    }
}