/* === 關於頁樣式（編輯式版面，非置中卡片網格） === */

/* 開發中橫幅：低調的細長條，不搶視覺焦點 */
.dev-banner {
    background: var(--bg-warm);
    border-bottom: 1px solid var(--gold);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.82rem;
    color: var(--primary-light);
    max-width: var(--max-width);
    margin: 0 auto var(--space-6);
    border-radius: var(--radius-sm);
}

/* --- Hero：左文右圖不對稱版面 --- */
.hero {
    display: flex;
    align-items: center;
    gap: var(--space-7);
    padding: var(--space-7) 0 var(--space-6);
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-text {
    flex: 1.1;
    min-width: 0;
}

.hero-kicker {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.hero-title {
    font-size: clamp(2.6rem, 6vw, 4.2rem);
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.06em;
    line-height: 1.1;
    margin-bottom: var(--space-3);
}

.hero-tagline {
    font-size: var(--text-lg);
    color: var(--text);
    margin-bottom: var(--space-2);
}

.hero-desc {
    font-size: var(--text-base);
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--space-5);
    max-width: 32rem;
}

.hero-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

/* 右側：真跡大字視覺主體 */
.hero-visual {
    flex: 0.9;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
}

.hero-ink-wash {
    position: absolute;
    width: 92%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(91,58,41,0.08) 0%, rgba(198,40,40,0.04) 55%, transparent 75%);
    filter: blur(2px);
}

.hero-char {
    position: relative;
    width: min(320px, 80%);
    aspect-ratio: 1;
    object-fit: contain;
    filter: drop-shadow(0 12px 24px rgba(91, 58, 41, 0.2));
    transform: rotate(-2deg);
    transition: transform 0.4s ease;
}

.hero-char:hover {
    transform: rotate(0deg) scale(1.03);
}

.hero-char-caption {
    position: absolute;
    bottom: 0.5rem;
    right: 1rem;
    font-size: var(--text-xs);
    color: var(--text-muted);
    background: rgba(255,255,255,0.75);
    padding: 0.15rem 0.6rem;
    border-radius: 99px;
}

/* --- Sections --- */
.about-section {
    max-width: 860px;
    margin: 0 auto var(--space-7);
    padding: 0 1rem;
}

.section-heading {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--border);
}

.section-heading-outside {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--space-4);
}

.about-text {
    color: var(--text);
    line-height: 1.8;
    margin-bottom: var(--space-3);
    font-size: 0.97rem;
}

/* --- 成立初衷：編輯式引言 --- */
.origin-section {
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
    max-width: 760px;
}

.quote-mark {
    font-size: 5rem;
    line-height: 1;
    font-family: Georgia, serif;
    color: var(--accent-light);
    opacity: 0.55;
    flex-shrink: 0;
    margin-top: -0.5rem;
}

.origin-text { padding-top: 0.5rem; }

/* --- 功能介紹：編號列表 --- */
.feature-list {
    display: flex;
    flex-direction: column;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-4) var(--space-2);
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.feature-row:first-child { border-top: 1px solid var(--border-light); }

.feature-row:hover {
    background: var(--bg-warm);
    padding-left: var(--space-4);
}

.feature-index {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--border);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
    width: 2.5rem;
    transition: color 0.2s;
}

.feature-row:hover .feature-index { color: var(--accent-light); }

.feature-body {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex: 1;
    min-width: 0;
}

.feature-name {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--primary-dark);
}

.feature-desc {
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.feature-arrow {
    font-size: 1.3rem;
    color: var(--border);
    flex-shrink: 0;
    transition: transform 0.2s, color 0.2s;
}

.feature-row:hover .feature-arrow {
    color: var(--accent);
    transform: translateX(4px);
}

/* --- 收錄書法家：真跡縮圖展示條 --- */
.artist-strip {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.artist-plate {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    width: 96px;
    padding: var(--space-3) var(--space-2);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.artist-plate:hover {
    background: var(--bg-card);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.artist-plate img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: #fff;
    border: 1px solid var(--border);
}

.artist-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.artist-dynasty {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.artist-strip-note { margin-top: var(--space-4); }

/* --- 開發狀態：收合式，低調 --- */
.dev-status-details summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: var(--space-2) 0;
    list-style: none;
}

.dev-status-details summary::-webkit-details-marker { display: none; }

.dev-status-details summary::before {
    content: '▸ ';
    color: var(--text-muted);
}

.dev-status-details[open] summary::before {
    content: '▾ ';
}

.dev-status-details .about-text {
    margin-top: var(--space-2);
    font-size: 0.85rem;
}

.status-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--space-3);
}

.status-item {
    padding: 0.3rem 0.7rem;
    border-radius: 99px;
    font-size: 0.78rem;
    font-weight: 500;
}

.status-item.done { background: #F0FFF4; color: #276749; }
.status-item.wip  { background: #EBF8FF; color: #2B6CB0; }

/* --- Contact --- */
.contact-links {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin: var(--space-4) 0;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.2rem;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.contact-btn:hover { background: var(--primary-dark); }

.about-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: var(--space-2);
}

/* --- Responsive --- */
@media (max-width: 860px) {
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        gap: var(--space-5);
        padding: var(--space-5) 1rem var(--space-4);
    }

    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual { width: 100%; max-width: 280px; }

    .origin-section { flex-direction: column; gap: var(--space-2); }
    .quote-mark { margin: 0; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.2rem; }
    .feature-row { gap: var(--space-3); }
    .feature-index { width: 1.8rem; font-size: var(--text-lg); }
    .artist-plate { width: 78px; }
    .artist-plate img { width: 46px; height: 46px; }
}