/* =========================================
   About 页面样式
   ========================================= */

.about-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
    align-items: start;
    padding-top: calc(var(--nav-height) + 60px) !important;
}

/* --- 左侧 sidebar --- */
.about-sidebar {
    position: sticky;
    top: calc(var(--nav-height) + 40px);
    text-align: center;
}

.about-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border);
}

.about-avatar__placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-mono);
}

.about-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.about-tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 28px;
}

.about-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.about-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.about-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.about-link__icon {
    font-size: 0.5rem;
    color: var(--accent);
}

/* --- 右侧主内容 --- */
.about-main {
    max-width: 640px;
}

.about-section {
    margin-bottom: 40px;
}

.about-section h3 {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.about-section p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 12px;
}

.about-section a {
    color: var(--accent);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.about-section a:hover {
    border-bottom-color: var(--accent);
}

/* --- 器材网格 --- */
.gear-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gear-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
}

.gear-item__label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.gear-item__value {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- 移动端适配 --- */
@media (max-width: 768px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-sidebar {
        position: static;
    }

    .gear-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}