/* ===== 首页 Hero 区域 - 全出血重塑 ===== */
.hero-section {
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease;
    min-height: clamp(420px, 56vh, 600px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-12) var(--space-6);
}
.hero-deco-line {
    position: absolute;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    z-index: 2;
    animation: decoLineFade 1s ease 0.8s both;
}
.hero-deco-line-tl { top: var(--space-8); left: var(--space-8); }
.hero-deco-line-tr { top: var(--space-8); right: var(--space-8); transform: scaleX(-1); }
.hero-deco-line-bl { bottom: var(--space-8); left: var(--space-8); transform: scaleY(-1); }
.hero-deco-line-br { bottom: var(--space-8); right: var(--space-8); transform: scale(-1, -1); }
@keyframes decoLineFade { from { opacity: 0; transform: scaleX(0); } to { opacity: 1; } }
.hero-deco-line-tr, .hero-deco-line-br { transform-origin: right; }
.hero-fullbleed {
    margin: calc(var(--space-10) * -1) calc(var(--space-10) * -1) 0;
    padding: clamp(5rem, 10vw, 9rem) var(--space-10) clamp(4rem, 8vw, 7.5rem);
    text-align: center;
    border-radius: 0;
    background: var(--gradient-red-gold);
    position: relative;
    isolation: isolate;
}
.hero-fullbleed::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255, 215, 130, 0.18) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(196, 30, 58, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(212, 168, 75, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.hero-fullbleed::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(45deg, transparent 48%, rgba(255,255,255,0.03) 49%, rgba(255,255,255,0.03) 51%, transparent 52%);
    background-size: 16px 16px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}
.hero-fullbleed .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-fullbleed .hero-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(20, 5, 5, 0.55) 0%,
        rgba(45, 10, 15, 0.7) 50%,
        rgba(20, 5, 5, 0.55) 100%
    );
    z-index: 1;
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255,255,255,0.95);
    margin-bottom: var(--space-7);
    animation: fadeInDown 0.5s ease 0.1s both;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--space-5);
    letter-spacing: 0.08em;
    animation: fadeInUp 0.6s ease 0.2s both;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4), 0 0 80px rgba(212, 168, 75, 0.15);
    line-height: 1.15;
}
.hero-title::after {
    content: '';
    display: block;
    width: 4rem;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: var(--space-5) auto 0;
    border-radius: var(--radius-2xs);
}
.hero-subtitle {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.94);
    max-width: 720px;
    margin: 0 auto var(--space-9);
    animation: fadeInUp 0.6s ease 0.3s both;
    line-height: 1.75;
    font-style: italic;
    min-height: 3.2rem;
    letter-spacing: 0.03em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
    text-wrap: balance;
}
.hero-subtitle .quote-author {
    display: block;
    font-size: 0.85rem;
    margin-top: var(--space-2);
    font-family: var(--font-sans);
    font-style: normal;
    font-weight: 500;
    opacity: 0.8;
    letter-spacing: 0.05em;
}
.hero-subtitle .type-cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: rgba(255,255,255,0.7);
    margin-left: 4px;
    vertical-align: text-bottom;
    animation: blinkCursor 0.9s step-end infinite;
}
@keyframes blinkCursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}
.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s both;
    margin-bottom: var(--space-10);
}
.hero-actions .btn {
    font-weight: 600;
    padding: var(--space-3) var(--space-10);
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    letter-spacing: 0.05em;
    min-width: 9rem;
}
.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-8);
    max-width: 720px;
    margin: 0 auto;
    padding-top: var(--space-7);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    animation: fadeInUp 0.6s ease 0.5s both;
}
.hero-stat {
    text-align: center;
    color: white;
    padding: var(--space-2) 0;
}
.hero-stat + .hero-stat {
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-stat-num {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: var(--space-1);
    background: linear-gradient(135deg, #fff 0%, var(--color-primary-200) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.35;
    transition: opacity 0.5s ease;
}

/* ===== 统计横条（去卡片化，全宽） ===== */
.stats-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: var(--space-10) 0;
    margin-bottom: var(--space-8);
    margin-left: calc(var(--space-10) * -1);
    margin-right: calc(var(--space-10) * -1);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
    background: var(--content-bg);
}
.stat-item {
    flex: 1 1 0;
    min-width: 0;
    text-align: center;
    padding: 0 var(--space-4);
    cursor: pointer;
    transition: opacity 0.2s ease;
}
.stat-item:hover { opacity: 0.75; }
.stat-divider {
    width: 1px;
    height: var(--space-12);
    background: var(--card-border);
    flex-shrink: 0;
}
.stat-item .stat-value {
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    font-weight: 700;
    color: var(--content-text);
    line-height: 1;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}
.stat-item .stat-label {
    font-size: 0.75rem;
    color: var(--content-text-tertiary);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ===== 特色功能精简 ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}
.features-minimal {
    gap: 32px;
}
.feature-item {
    text-align: center;
    padding: 8px 16px;
    transition: transform 0.3s ease;
}
.feature-item:hover { transform: translateY(-3px); }
.feature-item .feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-red);
    background: var(--accent-red-soft);
    border: 1px solid var(--accent-red-muted);
    border-radius: var(--radius-lg);
}
.feature-item .feature-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: var(--space-2);
}
.feature-item .feature-desc {
    font-size: 0.875rem;
    color: var(--content-text-secondary);
    line-height: 1.6;
    max-width: 17.5rem;
    margin: 0 auto;
}

/* ===== 旧特色功能卡片（兼容保留） ===== */
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8) var(--space-7);
    transition: all 0.3s ease, box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
}
.feature-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top left, rgba(196, 30, 58, 0.04) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.feature-card:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(196, 30, 58, 0.25);
    transform: translateY(-4px);
}
.feature-card:hover::after { opacity: 1; }
.feature-card .feature-icon {
    transition: transform 0.4s ease;
}
.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
}
.feature-card .feature-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--content-text);
    margin: 0;
}
.feature-card .feature-desc {
    font-size: var(--text-sm);
    line-height: 1.75;
    color: var(--content-text-secondary);
    margin: var(--space-2) 0 0;
    letter-spacing: 0.01em;
}

/* ===== 故事卡片 ===== */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}
.story-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}
.story-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-red-gold);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}
.story-card:hover::after { transform: scaleX(1); }
.story-card:hover {
    box-shadow: var(--shadow-red), 0 0 0 1px rgba(196, 30, 58, 0.15);
    transform: translateY(-6px);
    border-color: rgba(196, 30, 58, 0.2);
}
.story-card.featured {
    border-color: rgba(245, 158, 11, 0.3);
}
.story-card.featured::before {
    content: '精选';
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    background: linear-gradient(135deg, var(--accent-gold), #d97706);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    z-index: 2;
}
.story-image {
    height: 10rem;
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.08), rgba(212, 168, 75, 0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    position: relative;
    overflow: hidden;
}
.story-image svg.icon {
    width: 3rem;
    height: 3rem;
    opacity: 0.25;
}
.story-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(196, 30, 58, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(212, 168, 75, 0.05) 0%, transparent 50%);
    pointer-events: none;
}
.script-count-badge.hidden { display: none; }
.story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.story-content {
    padding: var(--space-5);
}
.story-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--accent-red-soft);
    border: 1px solid var(--accent-red-muted);
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-red);
    margin-bottom: var(--space-2);
}
.story-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: var(--space-2);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.story-excerpt {
    font-size: 0.875rem;
    color: var(--content-text-secondary);
    line-height: 1.7;
    margin: 0 0 var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    letter-spacing: 0.01em;
}
.story-meta {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.8rem;
    color: var(--content-text-tertiary);
}
.story-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    background: rgba(0,0,0,0.03);
    transition: all 0.2s ease;
}
.story-meta-item:hover { background: rgba(0,0,0,0.06); }
.story-meta-item.time {
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.06), rgba(245, 158, 11, 0.06));
    border: 1px solid rgba(225, 29, 72, 0.1);
}
.story-meta-item.source {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(34, 197, 94, 0.06));
    border: 1px solid rgba(59, 130, 246, 0.1);
}
.story-meta-icon { font-size: 0.9rem; }
.story-meta-text { font-weight: 500; color: var(--content-text-secondary); }

/* ===== 图表区域 ===== */
.chart-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}
.chart-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-7);
    transition: all 0.3s ease;
    position: relative;
}
.chart-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--card-border-hover);
}
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}
.chart-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--content-text);
}
.chart-container {
    height: clamp(280px, 35vh, 400px);
}

/* ===== 时间线 ===== */
.timeline-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8) var(--space-10);
    transition: all 0.3s ease;
    /* 全宽显示：突破父容器 padding 限制 */
    margin-left: calc(var(--space-8) * -1);
    margin-right: calc(var(--space-8) * -1);
    border-radius: 0;
    border-left: none;
    border-right: none;
}
.timeline-section:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--card-border-hover);
}
/* 响应式：负边距需匹配 content-area padding，避免横向溢出 */
@media (max-width: 1024px) {
    .timeline-section {
        margin-left: calc(var(--space-6) * -1);
        margin-right: calc(var(--space-6) * -1);
        padding: var(--space-6) var(--space-6);
    }
}
@media (max-width: 768px) {
    .timeline-section {
        margin-left: calc(var(--space-4) * -1);
        margin-right: calc(var(--space-4) * -1);
        padding: var(--space-5) var(--space-4);
    }
}
@media (max-width: 480px) {
    .timeline-section {
        margin-left: calc(var(--space-3) * -1);
        margin-right: calc(var(--space-3) * -1);
        padding: var(--space-4) var(--space-3);
    }
}
.timeline {
    position: relative;
    padding-left: var(--space-8);
}
.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-red), var(--accent-gold), var(--accent-red));
    box-shadow: 0 0 8px rgba(196, 30, 58, 0.15);
}
.timeline-item {
    position: relative;
    padding: var(--space-5) var(--space-6);
    background: var(--content-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    transition: all 0.2s ease;
}
.timeline-item:hover {
    border-color: rgba(225, 29, 72, 0.2);
    transform: translateX(4px);
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 28px;
    width: 12px;
    height: 12px;
    background: var(--accent-red);
    border-radius: 50%;
    border: 3px solid var(--card-bg);
    box-shadow: 0 0 0 3px var(--card-bg), 0 0 8px rgba(196, 30, 58, 0.2);
}
.timeline-year {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    background: var(--accent-red-muted);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-red);
    margin-bottom: var(--space-2);
}
.timeline-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: 6px;
}
.timeline-desc {
    font-size: 0.85rem;
    color: var(--content-text-secondary);
    line-height: 1.6;
}

/* ===== 时间线滑块 ===== */
.timeline-slider-container {
    margin-bottom: var(--space-6);
    padding: var(--space-7) var(--space-8);
    background: var(--content-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
    position: relative;
    overflow: visible;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.timeline-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
}
.timeline-slider-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--content-text);
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    letter-spacing: 0.02em;
    line-height: 1.4;
}
/* 图标设计系统：24px 主场景尺寸，2px 描边，品牌色 */
.timeline-slider-title .icon {
    width: 24px;
    height: 24px;
    color: var(--accent-red);
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(225, 29, 72, 0.18));
    transition: transform 0.2s ease, filter 0.2s ease;
}
.timeline-slider-title .icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.timeline-slider-container:hover .timeline-slider-title .icon {
    transform: scale(1.08) rotate(-3deg);
    filter: drop-shadow(0 3px 6px rgba(225, 29, 72, 0.28));
}
/* 移动端图标尺寸降级为 20px，保证可读性 */
@media (max-width: 768px) {
    .timeline-slider-title {
        font-size: 0.9rem;
        gap: var(--space-2);
    }
    .timeline-slider-title .icon {
        width: 20px;
        height: 20px;
    }
}
.timeline-current-year {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent-red);
    letter-spacing: 0.02em;
    text-shadow: 0 2px 8px rgba(225, 29, 72, 0.15);
}
.timeline-slider {
    position: relative;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-gold));
    border-radius: 4px;
    cursor: pointer;
    margin: 20px 0;
}
.timeline-slider-track {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(0,0,0,0.1);
    border-radius: var(--radius-2xs);
}
.timeline-slider-thumb {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    background: var(--card-bg);
    border: 3px solid var(--accent-red);
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(225, 29, 72, 0.3);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    z-index: 10;
}
.timeline-slider-thumb:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 4px 12px rgba(225, 29, 72, 0.4);
}
.timeline-slider-thumb:active { cursor: grabbing; }
.timeline-event-card {
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.08), rgba(245, 158, 11, 0.05));
    border: 1px solid var(--accent-red);
    border-radius: var(--radius-lg);
    padding: var(--space-7) var(--space-8);
    text-align: center;
    transition: all 0.3s ease;
    animation: fadeIn 0.3s ease;
    position: relative;
    overflow: hidden;
}
.timeline-event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-gold), var(--accent-red));
    background-size: 200% 100%;
    animation: timelineCardShine 3s linear infinite;
}
@keyframes timelineCardShine {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}
.timeline-event-card .event-year {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--accent-red);
    margin-bottom: var(--space-3);
    letter-spacing: 0.02em;
    text-shadow: 0 2px 8px rgba(225, 29, 72, 0.15);
}
.timeline-event-card .event-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--content-text);
    margin-bottom: var(--space-3);
}
.timeline-event-card .event-desc {
    font-size: 0.95rem;
    color: var(--content-text-secondary);
    line-height: 1.75;
    max-width: 720px;
    margin: 0 auto var(--space-4);
    letter-spacing: 0.01em;
}
.timeline-nav-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}
.timeline-nav-btn {
    padding: var(--space-3) var(--space-6);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: var(--content-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}
.timeline-nav-btn:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
    box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
    transform: translateY(-1px);
}
.timeline-nav-btn:active {
    transform: translateY(0);
}
.timeline-actions {
    margin-top: var(--space-5);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}
/* 图标设计系统：统一尺寸 14px、stroke-width 1.5、currentColor 继承品牌色 */
.timeline-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: var(--content-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.4;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
/* 统一图标规格：14px × 14px，stroke-width 1.5，颜色继承 */
.timeline-action-btn .icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--accent-red);
    transition: transform 0.2s ease, color 0.2s ease;
}
.timeline-action-btn .icon svg {
    stroke-width: 1.75;
}
.timeline-action-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-red), var(--gold-darker, #b45309));
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 0;
}
.timeline-action-btn > * {
    position: relative;
    z-index: 1;
}
.timeline-action-btn:hover {
    border-color: var(--accent-red);
    color: white;
    box-shadow: 0 6px 16px rgba(225, 29, 72, 0.28);
    transform: translateY(-2px);
}
.timeline-action-btn:hover::before {
    opacity: 1;
}
.timeline-action-btn:hover .icon {
    color: white;
    transform: scale(1.1) rotate(-3deg);
}
.timeline-action-btn:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 2px;
}
.timeline-action-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(225, 29, 72, 0.2);
}

/* ===== 相关故事区域 ===== */
.related-stories-section {
    margin-top: var(--space-7);
    padding: var(--space-6) var(--space-7);
    background: var(--content-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
    animation: fadeIn 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.related-stories-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--content-text);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--accent-red);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.related-stories-title .icon {
    color: var(--accent-red);
}
.related-stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-4);
}
.related-story-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    text-decoration: none;
}
.related-story-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(225, 29, 72, 0.2);
    transform: translateY(-2px);
}
.related-story-icon { font-size: 2rem; margin-bottom: var(--space-3); }
.related-story-card .related-story-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: var(--space-1);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-story-card:hover .related-story-title { color: var(--accent-red); }
.related-story-category {
    font-size: 0.7rem;
    color: var(--accent-red);
    background: rgba(225, 29, 72, 0.08);
    padding: var(--space-0) var(--space-2);
    border-radius: var(--radius-xs);
    display: inline-block;
}
.related-stories-placeholder {
    text-align: center;
    padding: var(--space-8);
    color: var(--content-text-tertiary);
    font-size: 0.9rem;
}

/* ===== 筛选标签 ===== */
.filter-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}
.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-full);
    color: var(--content-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}
.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-red), var(--color-primary-700));
    border-color: var(--accent-red);
    color: white;
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.25);
}
.filter-btn:hover:not(.active) {
    border-color: var(--accent-red);
    color: var(--accent-red);
    background: rgba(225, 29, 72, 0.03);
}
.filter-count {
    padding: var(--space-0) var(--space-2);
    background: rgba(0,0,0,0.1);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
}
.filter-btn.active .filter-count { background: rgba(255,255,255,0.2); }

/* ===== Section 标题组（含副标题） ===== */
.section-title-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 0;
}
.section-subtitle {
    font-size: 0.85rem;
    color: var(--content-text-secondary);
    font-weight: 400;
    letter-spacing: 0.01em;
}
.section-stories {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* ===== 快速筛选 chips 容器 ===== */
.filter-chips-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.04), rgba(245, 158, 11, 0.03));
    border: 1px solid rgba(225, 29, 72, 0.12);
    border-radius: var(--radius-lg);
}
.filter-chips-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9rem;
    color: var(--accent-red);
    font-weight: 600;
    margin-bottom: var(--space-1);
}
.filter-chips-label .icon {
    flex-shrink: 0;
}
.filter-chips-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
}
.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-full);
    color: var(--content-text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
    min-height: 30px;
    white-space: nowrap;
    position: static;
    top: auto;
    left: auto;
    z-index: auto;
    vertical-align: middle;
}
.filter-chip:hover:not(.active) {
    border-color: var(--accent-red);
    color: var(--accent-red);
    background: rgba(225, 29, 72, 0.04);
    transform: translateY(-1px);
}
.filter-chip.active {
    background: linear-gradient(135deg, var(--accent-red), var(--color-primary-700));
    border-color: var(--accent-red);
    color: white;
}
/* emotion-tag 原本在 base.css 是故事卡片角标（position: absolute）
   当复用为 filter-chip 时，必须覆盖定位，尺寸完全继承 .filter-chip */
.filter-chip.emotion-tag {
    position: static;
    top: auto;
    left: auto;
    z-index: auto;
}
.filter-chip.emotion-tag .icon {
    flex-shrink: 0;
}

/* ===== 批量工具栏计数高亮 ===== */
.batch-toolbar-info {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}
.batch-toolbar-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 22px;
    padding: 0 var(--space-2);
    background: var(--accent-red);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    margin: 0 2px;
}

/* ===== 页面统计信息 ===== */
.page-stats {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(225, 29, 72, 0.08);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--accent-red);
    font-weight: 600;
}

/* ===== 故事详情页 ===== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    background: var(--content-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: var(--content-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s ease;
}
.back-link:hover {
    background: var(--card-bg);
    border-color: var(--accent-red);
    color: var(--accent-red);
}
.detail-hero {
    padding: var(--space-12) var(--space-16);
    background: linear-gradient(180deg, rgba(196, 30, 58, 0.06) 0%, var(--content-bg) 100%);
    text-align: center;
    border-bottom: 1px solid var(--card-border);
}
.article-image {
    max-width: 800px;
    margin: 0 auto var(--space-8);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.article-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}
.article-category {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-4);
    background: var(--accent-red-soft);
    border: 1px solid var(--accent-red-muted);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--accent-red);
    font-weight: 600;
    margin-bottom: var(--space-6);
    letter-spacing: 0.03em;
}
.article-title {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--content-text);
    line-height: 1.2;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--content-text-tertiary);
    margin-bottom: var(--space-8);
}
.article-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}
.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-10) var(--space-16) var(--space-16);
    line-height: 1.9;
    font-size: 1.05rem;
    color: var(--content-text);
}
.article-content p {
    margin-bottom: var(--space-5);
    text-indent: 2em;
}
.article-footer {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-16) var(--space-12);
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}
.article-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}
.article-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--content-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--content-text-secondary);
}

/* ===== 文件上传区域 ===== */
.drop-zone {
    border: 2px dashed var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-10);
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    background: var(--content-bg);
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent-red);
    background: rgba(225, 29, 72, 0.03);
}
.drop-zone-icon { font-size: 2.5rem; margin-bottom: var(--space-3); }
.drop-zone-text { font-size: 0.9rem; color: var(--content-text-secondary); }

/* ===== 配置项 / 站点项 ===== */
.config-grid, .sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}
.config-item, .site-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-base);
}
.config-item:hover, .site-item:hover { border-color: var(--card-border-hover); }
.config-label, .site-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--content-text-secondary);
}
.config-value, .site-value {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--content-text);
}
.site-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}
.site-status.enabled { background: rgba(34, 197, 94, 0.1); color: var(--color-success-600); }
.site-status.disabled { background: rgba(239, 68, 68, 0.1); color: var(--color-error-600); }

/* ===== 站点信息卡片 ===== */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.site-name { font-size: 0.9rem; font-weight: 600; color: var(--content-text); }
.site-url { font-size: 0.75rem; color: var(--content-text-tertiary); word-break: break-all; }

/* ===== 图表行 (dashboard) ===== */
.charts-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

/* ===== 关于页面 ===== */
.about-hero {
    background: var(--gradient-warm);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    text-align: center;
    margin-bottom: var(--space-9);
    border: 1px solid var(--card-border);
}
.about-hero-icon { font-size: 3.5rem; margin-bottom: var(--space-5); }
.about-hero h1 { font-size: 2rem; margin-bottom: var(--space-3); }
.about-hero p { color: var(--content-text-secondary); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}
.about-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-7);
}
.about-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.about-card p, .about-card li {
    font-size: 0.9rem;
    color: var(--content-text-secondary);
    line-height: 1.7;
}
.about-card ul { padding-left: 20px; }
.about-card li { list-style: disc; margin-bottom: var(--space-1); }
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-3);
}
.tech-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--content-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--content-text-secondary);
}

/* ===== 故事详情页 meta / 编辑 / 关联 ===== */
.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(0,0,0,0.03);
    border-radius: var(--radius-full);
    transition: all 0.2s ease;
}
.meta-item:hover { background: rgba(0,0,0,0.05); }
.meta-time {
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.08), rgba(245, 158, 11, 0.08));
    border: 1px solid rgba(225, 29, 72, 0.15);
}
.meta-source {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(34, 197, 94, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.15);
}
.meta-time:hover { border-color: rgba(225, 29, 72, 0.3); }
.meta-source:hover { border-color: rgba(59, 130, 246, 0.3); }
.meta-icon { font-size: 1rem; }
.meta-text { font-weight: 500; color: var(--content-text-secondary); }
.meta-tooltip {
    position: relative;
    cursor: help;
}
.meta-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--content-text);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    margin-bottom: 8px;
    z-index: 100;
}
.meta-tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--content-text);
    margin-bottom: -4px;
    z-index: 100;
}
.reading-info {
    font-size: 0.85rem;
    color: var(--content-text-tertiary);
}

/* ===== 编辑按钮和模态框 ===== */
.edit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    background: var(--accent-red);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}
.edit-btn:hover {
    background: #b91c2e;
    transform: translateY(-1px);
}
.edit-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}
.edit-modal.show { display: flex; }
.edit-modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
}
.edit-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}
.edit-modal-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--content-text);
}
.edit-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--content-text-tertiary);
    padding: 4px 8px;
}
.edit-modal-close:hover { color: var(--content-text); }
.edit-form-group { margin-bottom: var(--space-5); }
.edit-form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--content-text);
    margin-bottom: var(--space-2);
}
.edit-form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: var(--content-bg);
    color: var(--content-text);
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.edit-form-input:focus {
    outline: none;
    border-color: var(--accent-red);
}
.edit-form-textarea {
    width: 100%;
    min-height: 300px;
    padding: 10px 14px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: var(--content-bg);
    color: var(--content-text);
    resize: vertical;
    line-height: 1.6;
    box-sizing: border-box;
}
.edit-form-textarea:focus {
    outline: none;
    border-color: var(--accent-red);
}
.edit-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-6);
}
.edit-form-actions .btn { padding: var(--space-2) var(--space-6); font-size: 0.95rem; }
.edit-success { color: var(--accent-green); font-weight: 500; }
.edit-error { color: var(--accent-red); font-weight: 500; }

/* ===== 关联故事区域 ===== */
.related-stories { margin-top: var(--space-12); }
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}
.related-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}
.related-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(225, 29, 72, 0.2);
}
.related-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-meta { font-size: 0.8rem; color: var(--content-text-tertiary); }

/* ===== 批量操作工具栏 (stories) ===== */
.batch-toolbar {
    display: none;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.08), rgba(245, 158, 11, 0.05));
    border: 1px solid rgba(225, 29, 72, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}
.batch-toolbar.show { display: flex; }
.batch-toolbar-info {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent-red);
    margin-right: var(--space-2);
}
.batch-toolbar-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.batch-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}
.batch-btn:hover { transform: translateY(-1px); }
.batch-btn-danger { background: var(--accent-red); color: white; }
.batch-btn-danger:hover { background: #b91c2e; }
.batch-btn-warning { background: var(--accent-gold); color: white; }
.batch-btn-warning:hover { background: #d97706; }
.batch-btn-secondary {
    background: var(--card-bg);
    color: var(--content-text);
    border: 1px solid var(--card-border);
}
.batch-btn-secondary:hover { border-color: var(--accent-red); color: var(--accent-red); }
.story-checkbox {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 22px;
    height: 22px;
    cursor: pointer;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s;
}
.story-card:hover .story-checkbox,
.story-checkbox:checked { opacity: 1; }
.story-card .checkbox-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 22px;
    height: 22px;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 4px;
    pointer-events: none;
    z-index: 9;
    transition: all 0.2s;
}
.story-card.selected .checkbox-overlay {
    background: var(--accent-red);
    border-color: var(--accent-red);
}
.story-card.selected .checkbox-overlay::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}
.story-card.selected {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(225, 29, 72, 0.2);
}
.batch-category-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}
.batch-category-modal.show { display: flex; }
.batch-category-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-7);
    width: 90%;
    max-width: 450px;
}
.batch-category-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: var(--space-4);
}
.batch-category-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: var(--content-bg);
    color: var(--content-text);
    box-sizing: border-box;
}
.batch-category-input:focus {
    outline: none;
    border-color: var(--accent-red);
}
.batch-category-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    margin-top: var(--space-5);
}
.btn-danger {
    background: var(--accent-red);
    color: white;
}
.btn-danger:hover { background: #b91c2e; }
.story-card:hover .story-title { color: var(--accent-red); }
.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-3);
    min-width: 44px;
    min-height: 44px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: var(--content-text);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
}
.page-btn:hover:not(.active):not(:disabled) {
    background: var(--content-bg);
    border-color: var(--accent-red);
    color: var(--accent-red);
}
.page-btn.active {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
}
.page-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.page-info {
    font-size: 0.85rem;
    color: var(--content-text-tertiary);
    margin: 0 var(--space-3);
}
.empty-state-text { color: var(--content-text-secondary); font-size: 1rem; margin-bottom: 8px; }

/* ===== 文章内容区补充 ===== */
.article-content h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: var(--space-4);
    margin-top: var(--space-8);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--card-border);
}
.article-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--content-text);
    margin-bottom: var(--space-3);
    margin-top: var(--space-6);
}
.article-content ul, .article-content ol {
    padding-left: 2em;
    margin-bottom: var(--space-6);
    color: var(--content-text-secondary);
}
.article-content li { margin-bottom: var(--space-2); line-height: 1.8; }
.article-content blockquote {
    border-left: 4px solid var(--accent-red);
    padding-left: var(--space-5);
    margin: var(--space-6) 0;
    color: var(--content-text-tertiary);
    font-style: italic;
    background: var(--content-bg);
    padding: var(--space-4) var(--space-5);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ===== 响应式（统一断点：D-23/S-23：1280/1024/768/480） ===== */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .features-minimal { grid-template-columns: repeat(3, 1fr); }
    .stories-grid { grid-template-columns: repeat(2, 1fr); }
    .chart-row, .charts-row { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.4rem; }
    .hero-stats-row { gap: var(--space-10); }
}
@media (max-width: 1024px) {
    .stats-bar { gap: var(--space-3); }
    .stat-item { padding: 0 var(--space-3); }
    .stat-divider { height: var(--space-10); }
}
@media (max-width: 768px) {
    .hero-title { font-size: 1.8rem; }
    .hero-subtitle { font-size: var(--text-base); }
    .hero-stats-row { gap: var(--space-6); padding-top: var(--space-5); }
    .hero-stat-num { font-size: 1.6rem; }
    .hero-stat-label { font-size: 0.7rem; }
    .hero-section { padding: var(--space-8) var(--space-5); }
    .hero-fullbleed { padding: 5rem var(--space-5) 4rem; margin: calc(var(--space-4) * -1) calc(var(--space-4) * -1) 0; }
    .hero-badge { font-size: 0.75rem; padding: 6px var(--space-4); }
    .hero-actions { flex-direction: column; gap: var(--space-3); width: 100%; }
    .hero-actions .btn { width: 100%; padding: var(--space-3) var(--space-5); }
    .stats-grid { grid-template-columns: 1fr; }
    .stats-bar { flex-wrap: wrap; padding: var(--space-6) 0; gap: var(--space-2) 0; margin-left: calc(var(--space-4) * -1); margin-right: calc(var(--space-4) * -1); }
    .stat-item { flex: 1 1 30%; padding: var(--space-3) var(--space-2); }
    .stat-divider { display: none; }
    .features-grid { grid-template-columns: 1fr; }
    .features-minimal { grid-template-columns: 1fr; }
    .stories-grid { grid-template-columns: 1fr; }
    .related-stories-grid { grid-template-columns: 1fr; }
    .timeline-slider-container { padding: var(--space-3); }
    .timeline-marker { font-size: 0.6rem; padding: var(--space-0) var(--space-1); }
    .detail-hero { padding: var(--space-8) var(--space-5); }
    .article-content { padding: var(--space-6) var(--space-5) var(--space-10); }
    .article-content h2 { font-size: 1.4rem; }
    .article-content h3 { font-size: 1.2rem; }
    .article-footer { padding: var(--space-5); }
    .about-hero { padding: var(--space-8) var(--space-5); }
    .related-grid { grid-template-columns: 1fr; }
    .batch-toolbar { flex-wrap: wrap; }
    .related-stories { margin-top: var(--space-8); }
}
@media (max-width: 480px) {
    .hero-title { font-size: 1.5rem; }
    .hero-subtitle { font-size: var(--text-sm); }
    .hero-badge { font-size: 0.7rem; padding: 4px var(--space-3); }
    .hero-fullbleed { padding: 4rem var(--space-3) 3rem; }
    .detail-hero { padding: var(--space-6) var(--space-4); }
    .article-content { padding: var(--space-5) var(--space-4) var(--space-8); }
    .article-image { margin-bottom: var(--space-5); }
    .article-meta { flex-direction: column; gap: var(--space-2); align-items: flex-start; }
    .stat-item { flex: 1 1 45%; }
    .about-hero { padding: var(--space-6) var(--space-4); }
    .section-title { font-size: clamp(1.1rem, 4vw, 1.4rem); }
    h2 { font-size: clamp(1.1rem, 4vw, 1.4rem); }
    .hero-stat-num { font-size: clamp(1.5rem, 5vw, 2.2rem); }
}

/* ===== 浮动按钮位置统一规范 (P1-9) ===== */
.qa-fab,
.bgm-control,
.back-to-top {
    position: fixed;
    right: var(--space-5);
    z-index: var(--z-fixed);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
}
.bgm-control { right: auto; left: var(--space-5); bottom: var(--space-5); }
.qa-fab { bottom: 1.5rem; }
.back-to-top { bottom: 5.5rem; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.back-to-top.visible { opacity: 1; pointer-events: auto; }

/* ===== QA 抽屉背景遮罩 (P1-10) ===== */
.qa-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.qa-drawer-backdrop.open { opacity: 1; pointer-events: auto; }

/* ===== 全局 Footer ===== */
.site-footer {
    background: var(--content-bg);
    border-top: 1px solid var(--card-border);
    padding: var(--space-10) var(--space-6);
    margin-top: var(--space-12);
}
.footer-inner {
    max-width: var(--content-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--space-8);
    align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: var(--space-3); }
.footer-brand h3 {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--content-text);
    margin: 0;
    line-height: 1.2;
}
.footer-brand p {
    font-size: 0.78rem;
    color: var(--content-text-tertiary);
    margin: 0;
}
.footer-logo {
    width: 40px; height: 40px;
    background: var(--gradient-red-gold);
    color: white;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md);
    font-weight: 700; font-size: 1.2rem;
    font-family: var(--font-serif);
    flex-shrink: 0;
}

/* ===== 骨架屏 (D-20/S-22) ===== */
.skeleton {
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg,
        var(--color-neutral-100, #f0f0f0) 0%,
        var(--color-neutral-200, #e6e6e6) 50%,
        var(--color-neutral-100, #f0f0f0) 100%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
    border-radius: var(--radius-sm);
}
body.dark .skeleton {
    background: linear-gradient(90deg,
        rgba(255,255,255,0.04) 0%,
        rgba(255,255,255,0.10) 50%,
        rgba(255,255,255,0.04) 100%);
    background-size: 200% 100%;
}
@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
    .skeleton { animation: none; }
}

/* 通用骨架元素尺寸 */
.skeleton-line {
    height: 12px;
    margin-bottom: var(--space-2);
}
.skeleton-line:last-child { margin-bottom: 0; }
.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long { width: 100%; }
.skeleton-heading { height: 22px; width: 60%; margin-bottom: var(--space-3); border-radius: var(--radius-sm); }
.skeleton-avatar {
    width: 40px; height: 40px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}
.skeleton-image {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
}
.skeleton-badge {
    width: 60px; height: 20px;
    border-radius: var(--radius-sm);
    display: inline-block;
}
.skeleton-button {
    width: 120px; height: 40px;
    border-radius: var(--radius-md);
}

/* 故事卡片骨架 */
.skeleton-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    overflow: hidden;
}
.skeleton-card .skeleton-image {
    aspect-ratio: 16/10;
    margin: calc(var(--space-3) * -1) calc(var(--space-3) * -1) var(--space-3);
    border-radius: 0;
}

/* 故事网格骨架：3 列响应式 */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}
@media (max-width: 768px) {
    .skeleton-grid { grid-template-columns: 1fr; gap: var(--space-3); }
}

/* 故事详情页骨架 */
.skeleton-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-6);
}
.skeleton-detail .skeleton-cover {
    width: 100%;
    aspect-ratio: 21/9;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
}
.skeleton-detail .skeleton-meta {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    align-items: center;
}
.skeleton-detail .skeleton-meta .skeleton-avatar { width: 48px; height: 48px; }
.skeleton-detail .skeleton-meta-text { flex: 1; }

/* 仪表盘骨架 */
.skeleton-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
.skeleton-stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}
.skeleton-stat-card .skeleton-line { margin-bottom: var(--space-3); }
.skeleton-stat-card .skeleton-value { height: 32px; width: 70%; margin-bottom: var(--space-2); }
.skeleton-chart {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--radius-lg);
}

/* 列表项骨架 */
.skeleton-list-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    border-bottom: 1px solid var(--card-border);
}
.skeleton-list-item .skeleton-thumb {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}
.skeleton-list-item .skeleton-body { flex: 1; }

/* 容器进入动画：从骨架 → 真实内容 */
.skeleton-fade-out {
    animation: skeleton-fade 240ms ease forwards;
    pointer-events: none;
}
@keyframes skeleton-fade {
    to { opacity: 0; transform: translateY(-4px); }
}

/* ===== 空状态 / 错误插图 (D-09/S-16) ===== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-12) var(--space-6);
    max-width: 520px;
    margin: 0 auto;
    color: var(--content-text);
}
.empty-state-illustration {
    margin-bottom: var(--space-5);
    animation: empty-state-float 3.2s ease-in-out infinite;
    line-height: 0;
}
.empty-state-illustration .illustration {
    max-width: 100%;
    height: auto;
    color: var(--accent-red, #c41e3a);
}
@keyframes empty-state-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@media (prefers-reduced-motion: reduce) {
    .empty-state-illustration { animation: none; }
}
.empty-state-title {
    font-family: var(--font-serif, Georgia, serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--content-text);
    margin: 0 0 var(--space-2);
    line-height: 1.3;
}
.empty-state-description {
    font-size: 0.95rem;
    color: var(--content-text-secondary);
    line-height: 1.6;
    margin: 0 0 var(--space-6);
    max-width: 420px;
}
.empty-state-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
}
.empty-state-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast, 150ms);
    min-height: 44px;
}
.empty-state-btn-primary {
    background: var(--accent-red, #c41e3a);
    color: #fff;
    box-shadow: 0 2px 8px rgba(196, 30, 58, 0.2);
}
.empty-state-btn-primary:hover {
    background: var(--color-primary-800, #a0182e);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(196, 30, 58, 0.3);
}
.empty-state-btn-outline {
    background: var(--card-bg);
    border-color: var(--card-border);
    color: var(--content-text-secondary);
}
.empty-state-btn-outline:hover {
    border-color: var(--accent-red, #c41e3a);
    color: var(--accent-red, #c41e3a);
}
.empty-state-btn:focus-visible {
    outline: 2px solid var(--accent-red, #c41e3a);
    outline-offset: 2px;
}

/* 紧凑模式（用于列表/卡片内） */
.empty-state.empty-state-compact {
    padding: var(--space-6) var(--space-4);
}
.empty-state.empty-state-compact .empty-state-illustration { margin-bottom: var(--space-3); }
.empty-state.empty-state-compact .empty-state-illustration .illustration { width: 100px; height: 100px; }
.empty-state.empty-state-compact .empty-state-title { font-size: 1.1rem; }
.empty-state.empty-state-compact .empty-state-description { font-size: 0.85rem; margin-bottom: var(--space-3); }

/* 横向模式（用于对话框） */
.empty-state.empty-state-horizontal {
    flex-direction: row;
    text-align: left;
    max-width: none;
}
.empty-state.empty-state-horizontal .empty-state-illustration { margin: 0 var(--space-5) 0 0; flex-shrink: 0; }
.empty-state.empty-state-horizontal .empty-state-content { flex: 1; }

/* 错误页专用背景 */
.error-page {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer-links {
    display: flex;
    gap: var(--space-6);
    justify-content: center;
    flex-wrap: wrap;
}
.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.9rem;
}
.footer-links a:hover { color: var(--accent-red); }
.footer-meta {
    text-align: right;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}
.footer-meta p { margin: 0; }
@media (max-width: 768px) {
    .footer-inner { grid-template-columns: 1fr; text-align: center; }
    .footer-brand { justify-content: center; }
    .footer-meta { text-align: center; }
}