/* ============================================================
   程序化 SEO 页面样式 — pseo.css
   ============================================================ */

/* 页面容器 */
.pseo-page {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* ── 面包屑 ── */
.pseo-breadcrumb {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}
.pseo-breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}
.pseo-breadcrumb a:hover { text-decoration: underline; }
.pseo-breadcrumb .sep { margin: 0 6px; color: var(--text-tertiary); }
.pseo-breadcrumb .current { color: var(--text-primary); font-weight: 500; }

/* ── Hero 标题区 ── */
.pseo-hero {
    --hero-from: var(--hero-teal-from);
    --hero-via:  var(--hero-teal-via);
    --hero-to:   var(--hero-teal-to);
    padding: var(--spacing-2xl) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}
.pseo-hero h1 {
    font-size: 1.65rem;
    font-weight: 700;
    margin: 0 0 6px;
    line-height: 1.4;
}
.pseo-hero h1 small {
    display: block;
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.85;
    margin-top: 4px;
}
.pseo-hero-badges {
    display: flex;
    gap: 8px;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}
.pseo-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(255,255,255,0.2);
}
.pseo-hero-english {
    font-size: 0.92rem;
    opacity: 0.8;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: var(--spacing-sm);
}
.pseo-hero-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.92;
    max-width: 640px;
}

/* 索引页 Hero */
.pseo-hero-index h1 {
    font-size: 1.8rem;
}

/* ── 通用 Section ── */
.pseo-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}
.pseo-section h2 {
    font-size: 1.12rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 8px;
}
.pseo-section h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--text-secondary);
}
.pseo-section h3:first-of-type { margin-top: var(--spacing-sm); }
.pseo-section-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* ── 核心数据卡片 ── */
.pseo-data-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}
.pseo-data-card {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}
.dc-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}
.dc-value {
    font-size: 1.6rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', 'Inter', sans-serif;
}
.dc-unit {
    font-size: 0.85rem;
    font-weight: 400;
    margin-left: 2px;
    opacity: 0.7;
}

/* 色彩档位 */
.level-low-card  { background: #fef2f2; }
.level-avg-card  { background: #fffbeb; }
.level-high-card { background: #f0fdf4; }
.level-top-card  { background: #f5f3ff; }
.level-low-card .dc-value  { color: #dc2626; }
.level-avg-card .dc-value  { color: #d97706; }
.level-high-card .dc-value { color: #16a34a; }
.level-top-card .dc-value  { color: #7c3aed; }

.level-low  { color: #dc2626; }
.level-avg  { color: #d97706; }
.level-high { color: #16a34a; }
.level-top  { color: #7c3aed; font-weight: 600; }

/* 平台备注 */
.pseo-platform-note {
    background: var(--bg-secondary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
}
.pseo-platform-note strong {
    color: var(--text-primary);
}
.pseo-platform-note .note-detail {
    opacity: 0.85;
}

/* 公式 */
.pseo-formula-box {
    background: #eff6ff;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: #1e40af;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
}

/* ── 表格 ── */
.pseo-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.pseo-table th, .pseo-table td {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}
.pseo-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    white-space: nowrap;
}
.pseo-table .col-name {
    text-align: left;
    font-weight: 500;
}
.pseo-table .col-value {
    font-weight: 600;
    color: #92400e;
    background: #fef3c7;
}
.pseo-table .col-note {
    text-align: left;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.pseo-table .row-highlight {
    background: #f0f9ff;
}
.tag-current {
    display: inline-block;
    background: #3b82f6;
    color: #fff;
    font-size: 0.7rem;
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
}

/* ── 优化建议 ── */
.pseo-tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.pseo-tips-list li {
    padding: 10px 0 10px 28px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    line-height: 1.7;
    position: relative;
}
.pseo-tips-list li::before {
    content: '\eb6c';
    font-family: 'remixicon';
    position: absolute;
    left: 0;
    top: 10px;
    color: #f59e0b;
}
.pseo-tips-list li:last-child { border-bottom: none; }

/* ── 相关工具 ── */
.pseo-tool-grid {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.pseo-tool-card {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}
.pseo-tool-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ── 内链网格 ── */
.pseo-link-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
}
.pseo-link-item {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.15s;
}
.pseo-link-item:hover {
    background: #eff6ff;
    border-color: #93c5fd;
    color: #1d4ed8;
}

/* ── 返回 ── */
.pseo-back {
    text-align: center;
    margin-top: var(--spacing-xl);
}
.pseo-back a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.95rem;
}
.pseo-back a:hover { text-decoration: underline; }

/* ── 索引页：选择器 ── */
.pseo-selector-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.pseo-selector-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}
.pseo-pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.pseo-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: var(--card-bg);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-primary);
}
.pseo-pill:hover {
    border-color: #93c5fd;
    background: #eff6ff;
}
.pseo-pill.active {
    background: var(--pill-color, #3b82f6);
    color: #fff;
    border-color: transparent;
}

/* ── 索引页：指标卡片网格 ── */
.pseo-metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
}
.pseo-metric-card {
    display: block;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
    background: var(--card-bg);
}
.pseo-metric-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}
.mc-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}
.mc-name {
    font-weight: 600;
    font-size: 0.95rem;
}
.mc-unit {
    font-size: 0.75rem;
    background: var(--bg-secondary);
    padding: 1px 8px;
    border-radius: 4px;
    color: var(--text-secondary);
}
.mc-english {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 6px;
}
.mc-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* SEO 文案 */
.pseo-prose {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
}
.pseo-prose p { margin: 0 0 var(--spacing-md); }
.pseo-prose p:last-child { margin-bottom: 0; }

/* ── Hub 聚合页 ── */
.pseo-hero-hub h1 { font-size: 1.6rem; }

.hub-metric-block {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}
.hub-metric-block:last-child { border-bottom: none; }
.hub-metric-block h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.hub-metric-block h3 a {
    color: var(--text-primary);
    text-decoration: none;
}
.hub-metric-block h3 a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}
.hub-metric-note {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm);
}
.hub-range-badge {
    font-size: 0.75rem;
    font-weight: 500;
    background: #fef3c7;
    color: #92400e;
    padding: 2px 10px;
    border-radius: 12px;
}
.hub-industry-chips,
.hub-platform-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.hub-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s;
}
.hub-chip strong {
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
}
.hub-chip:hover {
    background: #eff6ff;
    border-color: #93c5fd;
    color: #1d4ed8;
}
.hub-chip:hover strong { color: #1d4ed8; }

.hub-link-card {
    padding: 8px 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.pseo-data-cards-sm { margin-bottom: var(--spacing-sm); }
.dc-value-sm { font-size: 1.2rem; }

.hub-pi-data-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ── FAQ 问答型页面 ── */
.faq-highlight-answer {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
}
.faq-answer-value {
    font-size: 2rem;
    font-weight: 700;
    color: #16a34a;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 6px;
}
.faq-answer-note {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.faq-strategy-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.faq-strategy-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: box-shadow 0.2s;
}
.faq-strategy-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.faq-strategy-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}
.faq-strategy-content h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 4px;
    color: var(--text-primary);
}
.faq-strategy-content p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.faq-mistakes-list li::before {
    content: '\ecc8' !important;
    color: #ef4444 !important;
}

.faq-ecology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}
.faq-ecology-item {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}
.faq-eco-label {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 500;
    margin-bottom: 4px;
}
.faq-eco-type {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.faq-ecology-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
}

/* FAQ 暗色适配 */
[data-theme="dark"] .faq-highlight-answer {
    background: linear-gradient(135deg, rgba(22,163,74,0.1) 0%, rgba(16,185,129,0.08) 100%);
    border-color: rgba(22,163,74,0.3);
}
[data-theme="dark"] .faq-answer-value { color: #4ade80; }
[data-theme="dark"] .faq-strategy-num { background: linear-gradient(135deg, #818cf8, #a78bfa); }

/* Hub 暗色适配 */
[data-theme="dark"] .hub-range-badge { background: rgba(254,243,199,0.1); color: #fbbf24; }
[data-theme="dark"] .hub-chip:hover { background: rgba(59,130,246,0.1); border-color: #3b82f6; color: #60a5fa; }
[data-theme="dark"] .hub-chip:hover strong { color: #60a5fa; }

/* ── 响应式 ── */
@media (max-width: 640px) {
    .pseo-page { padding: var(--spacing-md) var(--spacing-sm); }
    .pseo-hero { padding: var(--spacing-lg) var(--spacing-md); }
    .pseo-hero h1 { font-size: 1.3rem; }
    .pseo-data-cards { grid-template-columns: repeat(2, 1fr); }
    .dc-value { font-size: 1.3rem; }
    .pseo-table { font-size: 0.8rem; }
    .pseo-table th, .pseo-table td { padding: 8px 6px; }
    .pseo-metric-grid { grid-template-columns: 1fr; }
}

/* ── 暗色主题适配 ── */
[data-theme="dark"] .level-low-card  { background: rgba(220,38,38,0.1); }
[data-theme="dark"] .level-avg-card  { background: rgba(217,119,6,0.1); }
[data-theme="dark"] .level-high-card { background: rgba(22,163,74,0.1); }
[data-theme="dark"] .level-top-card  { background: rgba(124,58,237,0.1); }
[data-theme="dark"] .pseo-formula-box { background: rgba(59,130,246,0.1); color: #60a5fa; }
[data-theme="dark"] .pseo-table .col-value { background: rgba(254,243,199,0.1); color: #fbbf24; }
[data-theme="dark"] .pseo-table .row-highlight { background: rgba(59,130,246,0.08); }
[data-theme="dark"] .pseo-link-item:hover { background: rgba(59,130,246,0.1); border-color: #3b82f6; color: #60a5fa; }

/* ── 术语百科 ── */
.glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}
.glossary-card {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
}
.glossary-card:hover {
    border-color: #8b5cf6;
    box-shadow: 0 2px 8px rgba(139,92,246,0.1);
    transform: translateY(-1px);
}
.glossary-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px;
}
.glossary-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.glossary-card--metric { border-left: 3px solid #6366f1; }
.glossary-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    font-weight: 500;
}

.glossary-hero-badge {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.glossary-hero-english {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-style: italic;
    margin-bottom: 8px;
}

.glossary-qa-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.glossary-qa-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.glossary-qa-q {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.glossary-qa-q i { color: #f97316; }
.glossary-qa-a {
    padding: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ── 经营指南 ── */
.guide-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.guide-card {
    display: block;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s;
}
.guide-card:hover {
    border-color: #10b981;
    box-shadow: 0 2px 8px rgba(16,185,129,0.1);
}
.guide-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: 8px;
}
.guide-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
.guide-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
}
.guide-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.guide-badge {
    font-size: 0.72rem;
    padding: 2px 10px;
    border-radius: 10px;
    font-weight: 600;
}
.guide-badge--入门 { background: #ecfdf5; color: #10b981; }
.guide-badge--进阶 { background: #eff6ff; color: #3b82f6; }
.guide-badge--高级 { background: #fef3c7; color: #d97706; }
.guide-meta-item {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}

.guide-hero-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}
.guide-hero-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}
.guide-hero-meta i { font-size: 1rem; }

.guide-toc {
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}
.guide-toc h2 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
}
.guide-toc ol {
    margin: 0;
    padding-left: var(--spacing-lg);
}
.guide-toc li {
    margin-bottom: 6px;
}
.guide-toc a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
}
.guide-toc a:hover { color: #10b981; }

.guide-section-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    margin-right: 8px;
    flex-shrink: 0;
}

/* 暗色适配 */
[data-theme="dark"] .glossary-card:hover { border-color: #a78bfa; box-shadow: 0 2px 8px rgba(139,92,246,0.15); }
[data-theme="dark"] .glossary-card--metric { border-left-color: #818cf8; }
[data-theme="dark"] .guide-card:hover { border-color: #34d399; box-shadow: 0 2px 8px rgba(16,185,129,0.15); }
[data-theme="dark"] .guide-badge--入门 { background: rgba(16,185,129,0.15); }
[data-theme="dark"] .guide-badge--进阶 { background: rgba(59,130,246,0.15); }
[data-theme="dark"] .guide-badge--高级 { background: rgba(217,119,6,0.15); }
[data-theme="dark"] .guide-toc { background: rgba(255,255,255,0.03); }
[data-theme="dark"] .guide-toc a:hover { color: #34d399; }

/* 响应式 */
@media (max-width: 640px) {
    .glossary-grid { grid-template-columns: 1fr; }
    .guide-card-header { flex-direction: column; }
    .guide-hero-meta { flex-direction: column; gap: 6px; }
}