/* ============================================================
   human-factor.css — 人因安全专题页共享样式
   与 style.css / research.css 全局变量完全兼容
   ============================================================ */

/* ===== SUBPAGE HERO ===== */
.subpage-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
    padding-top: 72px;
}
#subpageCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}
.subpage-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: radial-gradient(ellipse at 30% 50%, transparent 0%, rgba(240,245,255,0.2) 50%, rgba(255,255,255,0.5) 100%);
    pointer-events: none;
}
.subpage-hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    text-align: center;
    padding: 48px 24px;
}
.subpage-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(26, 110, 255, 0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 24px;
    border: 1px solid rgba(26, 110, 255, 0.15);
}
.subpage-hero h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 900;
    line-height: 1.2;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -1px;
}
.subpage-hero h1 .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.subpage-hero-content > p {
    font-size: clamp(14px, 1.8vw, 17px);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== BREADCRUMB ===== */
.breadcrumb-bar {
    background: var(--bg-warm);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}
.breadcrumb-bar .container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
}
.breadcrumb-bar a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.breadcrumb-bar a:hover { text-decoration: underline; }
.breadcrumb-bar span { color: var(--text-light); }

/* ===== TOPIC NAV ===== */
.topic-nav {
    background: white;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 72px;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.95);
}
.topic-nav .container {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    padding: 12px 24px;
    scrollbar-width: none;
}
.topic-nav .container::-webkit-scrollbar { display: none; }
.topic-nav a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition);
    border: 1.5px solid transparent;
}
.topic-nav a:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.topic-nav a.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(26, 110, 255, 0.3);
}

/* ===== CONTENT LAYOUT ===== */
.content-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    align-items: start;
}

/* ===== SIDEBAR TOC ===== */
.sidebar-toc {
    position: sticky;
    top: 140px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
}
.sidebar-toc h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.sidebar-toc ul {
    list-style: none;
}
.sidebar-toc li { margin-bottom: 4px; }
.sidebar-toc a {
    display: block;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.sidebar-toc a:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.sidebar-toc a.active {
    color: var(--primary);
    background: var(--primary-light);
    border-left-color: var(--primary);
    font-weight: 600;
}
.sidebar-toc .toc-h3 {
    padding-left: 24px;
    font-size: 12px;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    min-width: 0;
}
.main-content h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    margin: 48px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    scroll-margin-top: 140px;
}
.main-content h2:first-child { margin-top: 0; }
.main-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 32px 0 14px;
    scroll-margin-top: 140px;
}
.main-content h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin: 24px 0 10px;
}
.main-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}
.main-content ul, .main-content ol {
    margin: 0 0 16px 20px;
    padding-left: 4px;
}
.main-content li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}
.main-content strong {
    color: var(--text);
    font-weight: 700;
}
.main-content a {
    color: var(--primary);
    text-decoration: none;
}
.main-content a:hover { text-decoration: underline; }

/* ===== INFO BOXES ===== */
.info-box {
    display: flex;
    gap: 16px;
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(26,110,255,0.03) 100%);
    border: 1px dashed rgba(26,110,255,0.3);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
}
.info-box svg {
    width: 24px; height: 24px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}
.info-box h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 6px;
}
.info-box p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.warning-box {
    display: flex;
    gap: 16px;
    background: var(--warning-light);
    border: 1px dashed rgba(255,107,53,0.3);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
}
.warning-box svg {
    width: 24px; height: 24px;
    color: var(--warning);
    flex-shrink: 0;
    margin-top: 2px;
}
.warning-box h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--warning);
    margin: 0 0 6px;
}
.warning-box p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== DATA TABLE ===== */
.data-table-wrap {
    overflow-x: auto;
    margin: 24px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table thead {
    background: var(--bg-warm);
}
.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 700;
    color: var(--text);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    line-height: 1.6;
}
.data-table tbody tr:hover {
    background: var(--primary-light);
}
.data-table tbody tr:last-child td {
    border-bottom: none;
}
.table-caption {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    margin-top: 8px;
    font-style: italic;
}

/* ===== CASE CARD ===== */
.case-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin: 20px 0;
    transition: var(--transition);
}
.case-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
}
.case-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
}
.case-icon {
    width: 44px; height: 44px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.case-icon svg {
    width: 22px; height: 22px;
    color: var(--primary);
}
.case-meta h4 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 4px;
}
.case-meta .case-source {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}
.case-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}
.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}
.case-tags span {
    font-size: 11px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 500;
}

/* ===== MODEL DIAGRAM ===== */
.model-diagram {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin: 24px 0;
    text-align: center;
}
.model-diagram svg {
    max-width: 100%;
    height: auto;
}
.model-caption {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 16px;
    font-style: italic;
}

/* ===== STAT GRID ===== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}
.stat-box {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}
.stat-box:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow);
}
.stat-box .stat-num {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.stat-box .stat-label {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 8px;
    font-weight: 500;
}
.stat-box .stat-source {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ===== REFERENCE LIST ===== */
.ref-list {
    background: var(--bg-warm);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 32px 0;
}
.ref-list h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
}
.ref-list ol {
    margin: 0;
    padding-left: 20px;
}
.ref-list li {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 8px;
}
.ref-list li a {
    color: var(--primary);
    word-break: break-all;
}

/* ===== MOBILE ===== */
@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }
    .sidebar-toc {
        position: relative;
        top: auto;
        max-height: none;
        margin-bottom: 24px;
    }
    .sidebar-toc ul {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .sidebar-toc li { margin: 0; }
    .sidebar-toc a {
        padding: 6px 14px;
        border-left: none;
        border-radius: 100px;
        background: var(--bg-warm);
    }
    .sidebar-toc a.active {
        background: var(--primary-light);
        border-left-color: transparent;
    }
    .sidebar-toc .toc-h3 { display: none; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .subpage-hero { min-height: 320px; padding-top: 96px; }
    .subpage-hero h1 { font-size: clamp(22px, 6vw, 32px); }
    .topic-nav { top: 72px; }
    .topic-nav .container { padding: 10px 16px; }
    .topic-nav a { padding: 6px 14px; font-size: 12px; }
    .main-content h2 { font-size: 20px; margin: 36px 0 16px; }
    .main-content h3 { font-size: 16px; }
    .main-content p, .main-content li { font-size: 14px; }
    .case-card { padding: 20px; }
    .stat-grid { grid-template-columns: 1fr; }
    .info-box, .warning-box { flex-direction: column; gap: 10px; }
    .data-table th, .data-table td { padding: 10px 12px; font-size: 13px; }
}
/* ===== MOBILE NAVIGATION ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0; right: 0;
        background: white;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        gap: 4px;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.active { display: flex; }
    .mobile-toggle {
        display: flex;
        width: 40px; height: 40px;
        border: none;
        background: var(--primary-light);
        border-radius: 10px;
        cursor: pointer;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    .mobile-toggle span {
        display: block;
        width: 20px; height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transition: var(--transition);
    }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}