/* 关于我们 */
.about-section {
    margin-top: clamp(1.2rem, 4vw, 1.8rem);
}

.about-section h3 {
    font-size: clamp(1.05rem, 3vw, 1.25rem);
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: clamp(0.6rem, 2vw, 0.9rem);
    display: flex;
    align-items: center;
    gap: clamp(6px, 2vw, 10px);
}

.about-section h3 i {
    color: var(--icon-active-color);
    font-size: clamp(1rem, 2.8vw, 1.15rem);
}

.about-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: clamp(0.6rem, 2vw, 0.85rem);
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: clamp(0.6rem, 2vw, 0.9rem);
    padding: clamp(0.7rem, 2.5vw, 1rem) clamp(0.9rem, 3vw, 1.3rem);
    background: var(--link-bg);
    border: 1px solid var(--link-border);
    border-radius: clamp(0.8rem, 3vw, 1.2rem);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    font-size: clamp(0.88rem, 2.3vw, 1rem);
    color: var(--text-secondary);
    line-height: 1.65;
    transition: all 0.3s ease;
}

.about-list li:hover {
    background: var(--link-hover-bg);
    transform: translateX(3px);
}

.about-list li>i {
    color: var(--link-icon-color);
    font-size: clamp(0.95rem, 2.6vw, 1.1rem);
    margin-top: 0.2em;
    flex-shrink: 0;
}

.about-list strong {
    color: var(--heading-color);
    font-weight: 600;
}

.about-pages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
    gap: clamp(0.7rem, 2.5vw, 1rem);
}

.about-page-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.3rem, 1.5vw, 0.5rem);
    padding: clamp(1rem, 3.5vw, 1.4rem) clamp(0.8rem, 3vw, 1.1rem);
    background: var(--link-bg);
    border: 1px solid var(--link-border);
    border-radius: clamp(0.9rem, 3.5vw, 1.3rem);
    text-decoration: none;
    color: var(--text-primary);
    text-align: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
}

.about-page-card:hover {
    background: var(--link-hover-bg);
    transform: translateY(-3px);
    box-shadow: 0 14px 26px -12px rgba(0, 0, 0, 0.2);
}

.about-page-card i {
    font-size: clamp(1.4rem, 4vw, 1.8rem);
    color: var(--link-icon-color);
    margin-bottom: 0.1rem;
    transition: transform 0.3s ease;
}

.about-page-card:hover i {
    transform: scale(1.1);
}

.about-page-name {
    font-weight: 600;
    font-size: clamp(0.9rem, 2.4vw, 1rem);
    color: var(--heading-color);
}

.about-page-desc {
    font-size: clamp(0.72rem, 1.9vw, 0.82rem);
    color: var(--text-muted);
    line-height: 1.5;
}

.about-footer {
    margin-top: clamp(1.5rem, 5vw, 2rem);
    text-align: center;
    font-size: clamp(0.82rem, 2.2vw, 0.95rem);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.about-footer i {
    color: #ef4444;
}