/* ============================================================
   threat-intel.css — 威胁情报分析专题页专属样式 v3
   与 style.css 全局变量完全兼容，不修改全局样式
   ============================================================ */

/* ===== HERO ===== */
.ti-hero {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
    padding-top: 72px;
}
#tiCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}
.ti-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;
}
.ti-hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    text-align: center;
    padding: 48px 24px;
}
.ti-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-light);
    animation: fadeInDown 0.6s ease-out;
}
.ti-breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.ti-breadcrumb a:hover { text-decoration: underline; }
.ti-breadcrumb svg {
    width: 14px; height: 14px;
    color: var(--text-light);
}
.ti-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);
    animation: fadeInDown 0.8s ease-out;
}
.ti-hero-badge svg {
    width: 16px; height: 16px;
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.ti-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 20px;
    letter-spacing: -1px;
    animation: fadeInUp 0.8s ease-out 0.15s both;
}
.ti-hero h1 .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ti-hero-content > p {
    font-size: clamp(15px, 2vw, 18px);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 32px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}
.ti-hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 36px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}
.ti-hero-stats .stat-item { text-align: center; }
.ti-hero-stats .stat-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.ti-hero-stats .stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
    font-weight: 500;
}

/* ===== OVERVIEW ===== */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.overview-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}
.overview-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.ov-icon {
    width: 48px; height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.ov-icon svg {
    width: 24px; height: 24px;
    color: var(--primary);
}
.overview-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}
.overview-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== TIERS 情报分层 ===== */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.tier-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.tier-card::after {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: 100%; height: 4px;
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.tier-strategic::after { background: linear-gradient(90deg, #6366f1, #8b5cf6); }
.tier-operational::after { background: linear-gradient(90deg, #1a6eff, #00c6ff); }
.tier-tactical::after { background: linear-gradient(90deg, #0891b2, #22d3ee); }
.tier-technical::after { background: linear-gradient(90deg, #16a34a, #4ade80); }
.tier-card:hover::after { transform: scaleX(1); }
.tier-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.tier-level {
    position: absolute;
    top: 18px; right: 18px;
    font-size: 12px;
    font-weight: 900;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 10px;
    border-radius: 8px;
    letter-spacing: 0.5px;
}
.tier-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}
.tier-icon svg {
    width: 22px; height: 22px;
    color: white;
}
.tier-strategic .tier-icon { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.tier-operational .tier-icon { background: linear-gradient(135deg, #1a6eff, #00c6ff); }
.tier-tactical .tier-icon { background: linear-gradient(135deg, #0891b2, #22d3ee); }
.tier-technical .tier-icon { background: linear-gradient(135deg, #16a34a, #4ade80); }
.tier-card h4 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 2px;
}
.tier-card h4 span {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 0.5px;
    margin-top: 2px;
}
.tier-card > p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 10px 0 16px;
}
.tier-meta {
    border-top: 1px dashed var(--border);
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tier-meta-item {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}
.tier-meta-item em {
    font-style: normal;
    display: inline-block;
    min-width: 34px;
    color: var(--text-light);
    font-weight: 600;
    margin-right: 4px;
}

/* ===== LIFECYCLE ===== */
.lc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 56px 24px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}
.lc-item {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 24px 22px;
    transition: var(--transition);
    position: relative;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}
.lc-item:hover {
    border-color: rgba(26, 110, 255, 0.3);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.pos-1 { grid-area: 1 / 1 / 2 / 2; }
.pos-2 { grid-area: 1 / 2 / 2 / 3; }
.pos-3 { grid-area: 1 / 3 / 2 / 4; }
.pos-4 { grid-area: 2 / 3 / 3 / 4; }
.pos-5 { grid-area: 2 / 2 / 3 / 3; }
.pos-6 { grid-area: 2 / 1 / 3 / 2; }
.lc-item::after {
    position: absolute;
    z-index: 3;
    font-size: 20px;
    font-weight: 900;
    color: var(--primary);
    background: white;
    border: 1.5px solid rgba(26, 110, 255, 0.3);
    border-radius: 50%;
    width: 30px; height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(26, 110, 255, 0.15);
    line-height: 1;
}
.pos-1::after, .pos-2::after {
    content: '\2192';
    right: -27px; top: 50%;
    transform: translateY(-50%);
}
.pos-3::after {
    content: '\2193';
    left: 50%; bottom: -43px;
    transform: translateX(-50%);
}
.pos-4::after, .pos-5::after {
    content: '\2190';
    left: -27px; top: 50%;
    transform: translateY(-50%);
}
.lc-badge {
    width: 46px; height: 46px;
    background: var(--primary-gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 17px;
    font-weight: 900;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    box-shadow: 0 6px 16px rgba(26, 110, 255, 0.28);
}
.lc-body h4 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 8px;
}
.lc-body p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 12px;
}
.lc-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.lc-tags span {
    font-size: 11px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 500;
}
.lc-loop-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 32px auto 0;
    font-size: 13px;
    color: var(--text-light);
    flex-wrap: wrap;
    text-align: center;
}
.lc-loop-hint svg {
    width: 16px; height: 16px;
    color: var(--primary);
    flex-shrink: 0;
}

/* ===== SUBTOPICS ===== */
.subtopic-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.subtopic-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.subtopic-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transform-origin: top;
    transition: var(--transition);
}
.subtopic-card:hover::before { transform: scaleY(1); }
.subtopic-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.subtopic-card.expanded {
    grid-column: 1 / -1;
    border-color: rgba(26, 110, 255, 0.3);
    box-shadow: var(--shadow-hover);
}
.st-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.st-num {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary);
    opacity: 0.3;
    line-height: 1;
}
.st-status {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 100px;
}
.st-status.active {
    background: #e6f7ed;
    color: #2ea043;
}
.st-status.planned {
    background: #f0f0f5;
    color: var(--text-light);
}
.subtopic-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}
.subtopic-card > p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}
.st-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.st-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.st-keywords span {
    font-size: 11px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 500;
}
.st-arrow {
    width: 32px; height: 32px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.st-arrow svg {
    width: 14px; height: 14px;
    color: var(--primary);
    transition: var(--transition);
}
.subtopic-card:hover .st-arrow {
    background: var(--primary);
}
.subtopic-card:hover .st-arrow svg {
    color: white;
}
.subtopic-card.expanded .st-arrow svg {
    transform: rotate(90deg);
}
.st-detail {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    animation: fadeIn 0.3s ease;
}
.subtopic-card.expanded .st-detail {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.st-detail-inner h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}
.st-detail-inner ul {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}
.st-detail-inner li {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    padding-left: 18px;
    position: relative;
    margin-bottom: 8px;
}
.st-detail-inner li::before {
    content: '';
    position: absolute;
    left: 0; top: 10px;
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.5;
}
.st-detail-inner li strong {
    color: var(--text);
    font-weight: 600;
}
.st-ref {
    font-size: 12px;
    color: var(--text-light);
    background: var(--bg-warm);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
}

/* ===== IOC & SOURCES ===== */
.ioc-layout {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 24px;
    align-items: start;
}
.ioc-sub-title {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}
.ioc-sub-title::before {
    content: '';
    width: 4px; height: 16px;
    background: var(--primary-gradient);
    border-radius: 2px;
}
.ioc-table-wrap {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    overflow-x: auto;
}
.ioc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 420px;
}
.ioc-table th {
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
    padding: 10px 12px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.ioc-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    line-height: 1.6;
    vertical-align: top;
}
.ioc-table tr:last-child td { border-bottom: none; }
.ioc-table td:first-child { white-space: nowrap; }
.ioc-table td strong {
    color: var(--text);
    display: block;
    font-weight: 700;
}
.ioc-code {
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
}
.ioc-table tbody tr { transition: background 0.2s ease; }
.ioc-table tbody tr:hover { background: var(--primary-light); }
.ioc-note {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin-top: 16px;
    font-size: 12.5px;
    color: var(--text-secondary);
    line-height: 1.7;
    background: var(--bg-warm);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    border-left: 3px solid #f59e0b;
}
.ioc-note svg {
    width: 15px; height: 15px;
    color: #f59e0b;
    flex-shrink: 0;
    margin-top: 2px;
}
.ioc-note strong { color: var(--text); }
.src-list-wrap {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.src-group + .src-group { margin-top: 20px; }
.src-group-title {
    font-size: 12px;
    font-weight: 800;
    color: var(--text-light);
    letter-spacing: 1px;
    margin-bottom: 10px;
    text-transform: uppercase;
}
.src-item {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}
.src-item:hover {
    background: var(--primary-light);
    border-color: rgba(26, 110, 255, 0.15);
}
.src-item strong {
    display: block;
    font-size: 13.5px;
    color: var(--text);
    font-weight: 700;
}
.src-item:hover strong { color: var(--primary); }
.src-item span {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== SOURCE PANORAMA (新增) ===== */
.di-strip {
    display: flex;
    align-items: stretch;
    gap: 16px;
    max-width: 960px;
    margin: 0 auto 28px;
}
.di-step {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
}
.di-step:hover {
    border-color: rgba(26, 110, 255, 0.25);
    box-shadow: var(--shadow-hover);
}
.di-step-num {
    width: 42px; height: 42px;
    flex-shrink: 0;
    border-radius: 12px;
    background: var(--primary-gradient);
    color: white;
    font-weight: 900;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(26, 110, 255, 0.25);
}
.di-step-body strong {
    display: block;
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 6px;
    color: var(--text);
}
.di-step-body span {
    font-size: 12.5px;
    color: var(--text-secondary);
    line-height: 1.7;
}
.di-arrow {
    display: flex;
    align-items: center;
    color: var(--primary);
    flex-shrink: 0;
}
.di-arrow svg {
    width: 20px; height: 20px;
}
.src-table-wrap {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    overflow-x: auto;
}
.src-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 680px;
}
.src-table th {
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
    padding: 10px 12px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.src-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    line-height: 1.65;
    vertical-align: top;
}
.src-table tr:last-child td { border-bottom: none; }
.src-table td strong {
    color: var(--text);
    display: block;
    font-weight: 700;
    white-space: nowrap;
}
.src-table tbody tr { transition: background 0.2s ease; }
.src-table tbody tr:hover { background: var(--primary-light); }

/* ===== INSIGHTS ===== */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.insight-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.insight-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.insight-card.highlight {
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f1ff 100%);
    border-color: rgba(26, 110, 255, 0.2);
}
.insight-card.highlight::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 60px; height: 60px;
    background: var(--primary-light);
    border-radius: 0 0 0 60px;
    opacity: 0.5;
}
.insight-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.insight-icon {
    width: 36px; height: 36px;
    background: var(--primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.insight-icon svg {
    width: 18px; height: 18px;
    color: var(--primary);
}
.insight-source {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}
.insight-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 6px;
    font-variant-numeric: tabular-nums;
}
.insight-number span {
    font-size: 18px;
    font-weight: 700;
    margin-left: 2px;
}
.insight-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
}
.insight-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}
.insight-trend {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
}
.insight-trend.up {
    color: #dc2626;
}
.insight-trend svg {
    width: 16px; height: 16px;
}
.insight-note {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.5;
}

/* ===== TECH STACK ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.tech-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.tech-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.tech-badge {
    position: absolute;
    top: 16px; right: 16px;
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
}
.tech-icon {
    width: 48px; height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.tech-icon svg {
    width: 24px; height: 24px;
    color: var(--primary);
}
.tech-card h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}
.tech-card > p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}
.tech-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}
.tech-tag {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
}
.tech-meta a {
    font-size: 12px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}
.tech-meta a:hover { text-decoration: underline; }

/* ATT&CK 战术速览 (新增) */
.tactic-strip {
    margin-top: 24px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.tactic-strip-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.tactic-strip-head svg {
    width: 18px; height: 18px;
    color: var(--primary);
    flex-shrink: 0;
}
.tactic-strip-head strong {
    font-size: 15px;
    font-weight: 800;
    color: var(--text);
}
.tactic-strip-head span {
    font-size: 12px;
    color: var(--text-light);
}
.tactic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tactic-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-warm);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 8px;
    transition: var(--transition);
    font-variant-numeric: tabular-nums;
}
.tactic-tag:hover {
    background: var(--primary-light);
    border-color: rgba(26, 110, 255, 0.3);
    color: var(--primary);
    transform: translateY(-2px);
}

/* ===== PHISHING TI ===== */
.pti-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.pti-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.pti-card:hover {
    border-color: rgba(26, 110, 255, 0.25);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.pti-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, #1a6eff, #00c6ff);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 6px 16px rgba(26, 110, 255, 0.25);
}
.pti-icon svg {
    width: 24px; height: 24px;
    color: white;
}
.pti-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}
.pti-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 14px;
}
.pti-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 14px;
}
.pti-tags span {
    font-size: 11px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 500;
}

/* ===== DYNAMICS ===== */
.dyn-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.dyn-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.dyn-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.dyn-card.featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f1ff 100%);
    border-color: rgba(26, 110, 255, 0.2);
}
.dyn-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 10px;
}
.dyn-tag.trend {
    background: #fff7ed;
    color: #ea580c;
}
.dyn-tag.tech {
    background: #e0e7ff;
    color: #4338ca;
}
.dyn-tag.data {
    background: #e6f7ed;
    color: #2ea043;
}
.dyn-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}
.dyn-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}
.dyn-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
}
.dyn-source {
    color: var(--text-light);
    font-weight: 500;
}
.dyn-date {
    color: var(--text-light);
    font-weight: 500;
}

/* ===== PRACTICE (新增) ===== */
.practice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.practice-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: var(--transition);
    position: relative;
}
.practice-card:hover {
    border-color: rgba(26, 110, 255, 0.25);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.practice-step {
    display: inline-block;
    font-size: 12px;
    font-weight: 900;
    color: white;
    background: var(--primary-gradient);
    padding: 5px 12px;
    border-radius: 8px;
    letter-spacing: 1px;
    margin-bottom: 14px;
    box-shadow: 0 4px 12px rgba(26, 110, 255, 0.25);
}
.practice-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}
.practice-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ===== REFERENCES ===== */
.ref-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.ref-item {
    display: flex;
    gap: 18px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.ref-item:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow);
}
.ref-type {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    height: fit-content;
    flex-shrink: 0;
}
.ref-type.report {
    background: #e0e7ff;
    color: #4338ca;
}
.ref-type.standard {
    background: #fff7ed;
    color: #ea580c;
}
.ref-type.framework {
    background: #f0fdf4;
    color: #16a34a;
}
.ref-content { flex: 1; }
.ref-content h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}
.ref-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 8px;
}
.ref-link {
    font-size: 12px;
}
.ref-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}
.ref-link a:hover { text-decoration: underline; }

/* ===== CONTACT BOX ===== */
.contact-box {
    background: var(--primary-gradient);
    border-radius: var(--radius);
    padding: 60px 48px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.contact-bg {
    position: absolute;
    top: -50%; right: -20%;
    width: 400px; height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}
.contact-content {
    position: relative;
    z-index: 1;
}
.contact-box h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
}
.contact-box p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 520px;
    margin: 0 auto 28px;
    line-height: 1.8;
}
.contact-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}
.contact-btn-primary {
    background: white;
    color: var(--primary);
}
.contact-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.contact-btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}
.contact-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .overview-grid { grid-template-columns: repeat(2, 1fr); }
    .tier-grid { grid-template-columns: repeat(2, 1fr); }
    .insights-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .pti-grid { grid-template-columns: 1fr; }
    .dyn-grid { grid-template-columns: repeat(2, 1fr); }
    .dyn-card.featured { grid-column: 1 / -1; }
    .subtopic-grid { grid-template-columns: 1fr; }
    .ioc-layout { grid-template-columns: 1fr; }
    .practice-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .lc-grid {
        grid-template-columns: 1fr;
        gap: 44px;
        max-width: 560px;
        padding-left: 26px;
        border-left: 2px solid rgba(26, 110, 255, 0.15);
    }
    .pos-1, .pos-2, .pos-3, .pos-4, .pos-5, .pos-6 {
        grid-area: auto;
    }
    .lc-item::after {
        left: 50% !important;
        right: auto !important;
        top: auto !important;
        bottom: -38px !important;
        transform: translateX(-50%) !important;
        content: '\2193' !important;
    }
    .lc-item:last-child::after { display: none; }
    .lc-item {
        border-left: none;
    }
    .lc-badge {
        position: absolute;
        left: -26px;
        top: 24px;
        transform: translateX(-50%);
        width: 40px; height: 40px;
        font-size: 14px;
        border-radius: 50%;
    }
    .lc-body { padding-left: 8px; }
    /* 新增模块：数据-信息-情报流程 */
    .di-strip { flex-direction: column; }
    .di-arrow { justify-content: center; transform: rotate(90deg); padding: 2px 0; }
}
@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; }
    .ti-hero { min-height: 420px; padding-top: 96px; }
    .ti-hero h1 { font-size: clamp(26px, 7vw, 36px); }
    .ti-hero-stats { gap: 24px; margin-top: 28px; }
    .ti-hero-stats .stat-number { font-size: 28px; }
    .overview-grid { grid-template-columns: 1fr; }
    .tier-grid { grid-template-columns: 1fr; }
    .insights-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .dyn-grid { grid-template-columns: 1fr; }
    .practice-grid { grid-template-columns: 1fr; }
    .ref-item { flex-direction: column; gap: 12px; }
    .contact-box { padding: 40px 24px; }
    .contact-box h3 { font-size: 22px; }
    .contact-actions { flex-direction: column; align-items: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .section { padding: 48px 0; }
    .subtopic-card.expanded { grid-column: auto; }
}