/* kill-chain.css = 全局 style.css + attack-trace.css + 专题新增样式（自动整合，移动端适配） */
        :root {
            --primary: #1a6eff;
            --primary-light: #e8f1ff;
            --primary-dark: #0d4fc4;
            --primary-gradient: linear-gradient(135deg, #1a6eff 0%, #0d4fc4 100%);
            --text: #1a1a2e;
            --text-secondary: #5a5a7a;
            --text-light: #8a8aa0;
            --bg: #ffffff;
            --bg-warm: #f8fafc;
            --bg-card: #ffffff;
            --border: #e8ecf4;
            --shadow: 0 4px 24px rgba(26, 110, 255, 0.08);
            --shadow-hover: 0 12px 40px rgba(26, 110, 255, 0.15);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --warning: #ff6b35;
            --warning-light: #fff3ed;
            --danger: #dc2626;
            --danger-light: #fef2f2;
            --success: #16a34a;
            --success-light: #f0fdf4;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 80px; }
        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* ===== NAVIGATION ===== */
        .navbar {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(26, 110, 255, 0.08);
            transition: var(--transition);
        }
        .navbar.scrolled { box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06); }
        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .logo-icon {
            /*width: 44px; height: 44px;
            background: var(--primary-gradient);
            border-radius: 12px;*/
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 900;
            font-size: 18px;
            /*box-shadow: 0 4px 12px rgba(26, 110, 255, 0.3);*/
        }
        .logo-icon img{
            height: 44px;
        }
        .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }
        .logo-text span {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-light);
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            gap: 4px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .mobile-toggle {
            display: none;
            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 ===== */
        .footer {
            background: var(--text);
            color: white;
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo-icon {
            /*background: var(--primary);*/
            margin-bottom: 16px;
            display: flex;
            align-items: left;
            justify-content: left;
        }
        .footer-brand .logo-icon img{
            height: 84px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.9);
        }
        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 10px; }
        .footer-col a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col a:hover { color: white; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p,
        .footer-bottom a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== PAGE HEADER ===== */
        .page-header {
            padding: 140px 0 60px;
            background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
            text-align: center;
        }
        .page-header h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 900;
            color: var(--text);
            margin-bottom: 12px;
        }
        .page-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .page-header img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 0 auto 16px;
            border-radius: var(--radius-sm);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 13px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover { text-decoration: underline; }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt { background: var(--bg-warm); }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            padding: 4px 16px;
            background: var(--primary-light);
            border-radius: 100px;
        }
        .section-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== SCROLL ANIMATION ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
/* ============================================================
   attack-trace.css — 网络攻击溯源专题页专属样式
   与 style.css 全局变量完全兼容，不修改全局样式
   ============================================================ */

/* ===== HERO ===== */
.at-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;
}
#atCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}
.at-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;
}
.at-hero-content {
    position: relative;
    z-index: 3;
    max-width: 960px;
    text-align: center;
    padding: 48px 24px;
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-light);
}
.breadcrumb-nav a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.breadcrumb-nav a:hover { text-decoration: underline; }
.at-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;
}
@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); }
}
.at-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;
}
.at-hero h1 .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.at-hero-content > p {
    font-size: clamp(15px, 2vw, 18px);
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto 32px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}
.at-hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 36px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}
.at-hero-stats .stat-item { text-align: center; }
.at-hero-stats .stat-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.at-hero-stats .stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
    font-weight: 500;
}

/* ===== DATA INSIGHTS ===== */
.data-insights {
    background: var(--bg-warm);
    padding: 64px 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.data-insights .container { position: relative; z-index: 1; }
.data-insights .section-header { margin-bottom: 48px; }
.data-insights .section-tag {
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(26, 110, 255, 0.15);
}
.data-insights .section-title { color: var(--text); }
.data-insights .section-desc { color: var(--text-secondary); }

.insight-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.insight-card {
    background: var(--bg-card);
    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(-4px);
}
.insight-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--primary-gradient);
    opacity: 0.6;
}
.insight-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}
.insight-number .trend {
    font-size: 13px;
    font-weight: 600;
    margin-left: 6px;
    vertical-align: middle;
}
.insight-number .trend.up { color: #dc2626; }
.insight-number .trend.down { color: #16a34a; }
.insight-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.insight-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.insight-source {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 12px;
    font-style: italic;
}

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

/* ===== DIRECTION GRID ===== */
.direction-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.direction-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
}
.direction-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.direction-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.direction-card:hover::before { transform: scaleX(1); }
.direction-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
}
.direction-card .icon-wrap {
    width: 52px; height: 52px;
    background: var(--primary-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.direction-card .icon-wrap svg {
    width: 26px; height: 26px;
    color: var(--primary);
}
.direction-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}
.dir-tag {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
}
.dir-count {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 500;
}
.direction-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}
.direction-card > p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}
.direction-card .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}
.direction-card .tag-list span {
    font-size: 11px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 500;
}
.direction-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.dir-status {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
}
.dir-status.active {
    background: #e6f7ed;
    color: #2ea043;
}
.dir-status.planned {
    background: #f0f0f5;
    color: var(--text-light);
}
.direction-card .arrow {
    width: 28px; height: 28px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition);
}
.direction-card .arrow svg {
    width: 14px; height: 14px;
    color: var(--primary);
}
.direction-card:hover .arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ===== KILL CHAIN DIAGRAM ===== */
.kc-wrap {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 32px;
    position: relative;
    overflow-x: auto;
}
.kc-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.kc-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 110px;
}
.kc-node {
    width: 64px; height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 900;
    color: white;
    position: relative;
    transition: var(--transition);
    cursor: pointer;
}
.kc-node:hover { transform: scale(1.1); }
.kc-node.n1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.kc-node.n2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.kc-node.n3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.kc-node.n4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.kc-node.n5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.kc-node.n6 { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); }
.kc-node.n7 { background: linear-gradient(135deg, #ff0844 0%, #ffb199 100%); }
.kc-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text);
    text-align: center;
    white-space: nowrap;
}
.kc-arrow {
    font-size: 20px;
    color: var(--text-light);
    font-weight: 300;
}
.kc-detail-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
}
.kc-detail {
    background: var(--bg-warm);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}
.kc-detail:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.kc-detail h5 {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}
.kc-detail p {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== ARCHITECTURE ===== */
.architecture-wrap {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 32px;
    position: relative;
    overflow-x: auto;
}
.arch-level {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.arch-node {
    background: var(--bg-warm);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    text-align: center;
    min-width: 120px;
    transition: var(--transition);
}
.arch-node:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.arch-root {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(26, 110, 255, 0.3);
    padding: 18px 32px;
}
.arch-root small {
    display: block;
    font-size: 11px;
    opacity: 0.8;
    margin-top: 2px;
    font-weight: 400;
}
.arch-node span {
    font-size: 13px;
    font-weight: 700;
    display: block;
}
.arch-leaf {
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f1ff 100%);
    border-color: rgba(26, 110, 255, 0.2);
    padding: 10px 14px;
    min-width: auto;
}
.arch-leaf span {
    font-size: 12px;
    white-space: nowrap;
}
.arch-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0;
    position: relative;
}
.arch-line {
    width: 2px;
    height: 24px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
}
.arch-branch-wrap {
    display: flex;
    justify-content: center;
    gap: 120px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
}
.arch-branch {
    width: 1px;
    height: 20px;
    background: var(--border);
    position: relative;
}
.arch-branch::before {
    content: '';
    position: absolute;
    top: 0; left: -60px;
    width: 120px;
    height: 1px;
    background: var(--border);
}
.arch-connector-2 .arch-line {
    height: 32px;
}
.arch-hint {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    padding: 14px 18px;
    background: var(--bg-warm);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-light);
}
.arch-hint svg {
    width: 18px; height: 18px;
    color: var(--primary);
    flex-shrink: 0;
}

/* ===== ACHIEVEMENT TABS ===== */
.achieve-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    justify-content: center;
}
.achieve-tab {
    padding: 10px 24px;
    border-radius: 100px;
    border: 1.5px solid var(--border);
    background: white;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.achieve-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.achieve-tab.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(26, 110, 255, 0.3);
}
.achieve-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}
.achieve-panel.active { display: block; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== PAPERS ===== */
.paper-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.paper-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.paper-item:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.paper-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 10px;
}
.paper-badge.ccf {
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    color: #4338ca;
}
.paper-badge.core {
    background: #f0fdf4;
    color: #16a34a;
}
.paper-badge.book {
    background: #fff7ed;
    color: #ea580c;
}
.paper-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}
.paper-authors {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.paper-meta {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 10px;
}
.paper-abs {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}
.paper-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.paper-link:hover { text-decoration: underline; }

/* ===== REPORTS ===== */
.report-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.report-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.report-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.report-icon {
    width: 44px; height: 44px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}
.report-icon svg {
    width: 22px; height: 22px;
    color: var(--primary);
}
.report-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}
.report-card > p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}
.report-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
}
.report-date, .report-tag {
    color: var(--text-light);
    font-weight: 500;
}
.report-tag {
    background: var(--bg-warm);
    padding: 2px 10px;
    border-radius: 100px;
}
.report-meta a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}
.report-meta a:hover { text-decoration: underline; }

/* ===== STANDARDS ===== */
.standard-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.standard-item {
    display: flex;
    gap: 18px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.standard-item:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow);
}
.std-icon {
    width: 44px; height: 44px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.std-icon svg {
    width: 22px; height: 22px;
    color: var(--primary);
}
.std-content { flex: 1; }
.std-content h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}
.std-content > p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}
.std-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.std-status, .std-scope {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
}
.std-status.draft {
    background: #fff7ed;
    color: #ea580c;
}
.std-status.planned {
    background: #f0f0f5;
    color: var(--text-light);
}
.std-scope {
    background: var(--primary-light);
    color: var(--primary);
}

/* ===== TOOLS ===== */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.tool-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    position: relative;
}
.tool-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.tool-icon {
    width: 44px; height: 44px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}
.tool-icon svg {
    width: 22px; height: 22px;
    color: var(--primary);
}
.tool-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}
.tool-card > p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}
.tool-tag {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
}

/* ===== ROADMAP ===== */
.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}
.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 50%, var(--border) 100%);
}
.roadmap-item {
    position: relative;
    padding-left: 60px;
    padding-bottom: 40px;
}
.roadmap-item:last-child { padding-bottom: 0; }
.roadmap-dot {
    position: absolute;
    left: 11px;
    top: 4px;
    width: 18px; height: 18px;
    background: white;
    border: 3px solid var(--border);
    border-radius: 50%;
    transition: var(--transition);
}
.roadmap-item.done .roadmap-dot {
    border-color: var(--primary);
    background: var(--primary);
}
.roadmap-item.active .roadmap-dot {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: 0 0 0 5px rgba(26, 110, 255, 0.15);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 5px rgba(26, 110, 255, 0.15); }
    50% { box-shadow: 0 0 0 8px rgba(26, 110, 255, 0.08); }
}
.roadmap-content {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.roadmap-content:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow);
}
.roadmap-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.phase {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 100px;
}
.status {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
}
.status.done {
    background: #e6f7ed;
    color: #2ea043;
}
.status.ongoing {
    background: #fff7ed;
    color: #f57c00;
}
.status.planned {
    background: #f0f0f5;
    color: var(--text-light);
}
.time {
    font-size: 12px;
    color: var(--text-light);
    margin-left: auto;
    font-weight: 500;
}
.roadmap-content h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}
.roadmap-content > p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}
.roadmap-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.roadmap-topics span {
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 100px;
    font-weight: 500;
}

/* ===== CASE STUDIES ===== */
.case-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.case-item {
    display: flex;
    gap: 24px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}
.case-item:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
}
.case-timeline {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    min-width: 80px;
}
.case-date {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 100px;
    white-space: nowrap;
}
.case-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    min-height: 40px;
}
.case-content { flex: 1; }
.case-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}
.case-content > p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}
.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.case-tags span {
    font-size: 11px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 500;
}

/* ===== 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);
}

/* ===== SUB TOPIC HERO ===== */
.sub-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;
}
.sub-hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    text-align: center;
    padding: 48px 24px;
}
.sub-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: 20px;
    border: 1px solid rgba(26, 110, 255, 0.15);
}
.sub-hero h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 900;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -1px;
}
.sub-hero p {
    font-size: clamp(14px, 2vw, 17px);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== SUB TOPIC CONTENT ===== */
.content-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}
.content-sidebar {
    position: sticky;
    top: 96px;
}
.sidebar-nav {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.sidebar-nav h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.sidebar-nav ul { list-style: none; }
.sidebar-nav li { margin-bottom: 4px; }
.sidebar-nav a {
    display: block;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}
.sidebar-nav a:hover, .sidebar-nav a.active {
    color: var(--primary);
    background: var(--primary-light);
}
.content-main { min-width: 0; }
.content-section {
    margin-bottom: 48px;
}
.content-section h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}
.content-section h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin: 28px 0 12px;
}
.content-section p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}
.content-section ul, .content-section ol {
    margin-left: 20px;
    margin-bottom: 16px;
}
.content-section li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}
.content-section strong { color: var(--text); }
.info-box {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 20px 24px;
    margin: 20px 0;
}
.info-box p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}
.info-box p strong { color: var(--primary); }

/* ===== MOBILE ===== */
@media (max-width: 1024px) {
    .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
    .direction-grid { grid-template-columns: repeat(2, 1fr); }
    .paper-list { grid-template-columns: 1fr; }
    .report-grid { grid-template-columns: repeat(2, 1fr); }
    .tool-grid { grid-template-columns: repeat(2, 1fr); }
    .insight-grid { grid-template-columns: repeat(2, 1fr); }
    .kc-detail-grid { grid-template-columns: repeat(4, 1fr); }
    .arch-level-3 { display: none; }
    .arch-connector-2 { display: none; }
    .arch-hint { margin-top: 16px; }
    .content-grid { grid-template-columns: 1fr; }
    .content-sidebar { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@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; }
    .at-hero { min-height: 480px; padding-top: 96px; }
    .at-hero h1 { font-size: clamp(26px, 7vw, 36px); }
    .at-hero-stats { gap: 24px; margin-top: 28px; }
    .at-hero-stats .stat-number { font-size: 28px; }
    .philosophy-grid { grid-template-columns: 1fr; }
    .direction-grid { grid-template-columns: 1fr; }
    .report-grid { grid-template-columns: 1fr; }
    .tool-grid { grid-template-columns: 1fr; }
    .insight-grid { grid-template-columns: 1fr; }
    .kc-flow { gap: 4px; }
    .kc-step { min-width: 80px; }
    .kc-node { width: 48px; height: 48px; font-size: 16px; }
    .kc-detail-grid { grid-template-columns: repeat(2, 1fr); }
    .standard-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; }
    .arch-level-2 { gap: 8px; }
    .arch-node { padding: 10px 14px; min-width: auto; }
    .arch-node span { font-size: 12px; }
    .case-item { flex-direction: column; gap: 16px; }
    .case-timeline { flex-direction: row; min-width: auto; }
    .case-line { width: 40px; height: 2px; min-height: auto; }
}

/* ============================================================
   kill-chain.css 新增：四页专题研究版样式
   ============================================================ */

/* ===== 面包屑条 ===== */
.breadcrumb-wrap { background: var(--bg-warm); border-bottom: 1px solid var(--border); }
.breadcrumb-wrap .breadcrumb { max-width: 1200px; margin: 0 auto; padding: 14px 24px; justify-content: flex-start; }
.breadcrumb-wrap .sep { color: var(--text-light); }
.breadcrumb-wrap .current { color: var(--text-secondary); font-weight: 500; }

/* ===== 侧边栏翻页器 ===== */
.sidebar-pager { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.sidebar-pager a {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 14px; border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 600; text-decoration: none;
    transition: var(--transition);
}
.sidebar-pager a svg { width: 14px; height: 14px; flex-shrink: 0; }
.sidebar-pager a.pg-prev { color: var(--text-secondary); background: var(--bg-warm); border: 1px solid var(--border); }
.sidebar-pager a.pg-prev:hover { color: var(--primary); border-color: var(--primary); }
.sidebar-pager a.pg-next { color: #fff; background: var(--primary-gradient); box-shadow: 0 4px 12px rgba(26,110,255,.25); }
.sidebar-pager a.pg-next:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26,110,255,.35); }
.sidebar-pager span.pg-disabled {
    padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px;
    color: var(--text-light); background: var(--bg-warm); border: 1px dashed var(--border); text-align: center;
}

/* ===== 章节编号标题 ===== */
.sec-no {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 700; letter-spacing: 1px;
    color: var(--primary); background: var(--primary-light);
    padding: 4px 12px; border-radius: 100px; margin-bottom: 10px;
}
.content-section h2 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ===== 速查卡（阶段卡片） ===== */
.stage-card {
    display: grid; grid-template-columns: 64px 1fr; gap: 18px;
    background: linear-gradient(135deg, #f8fbff 0%, #f2f7ff 100%);
    border: 1px solid rgba(26,110,255,.15);
    border-radius: var(--radius); padding: 22px; margin: 24px 0;
}
.stage-card canvas[data-icon] { width: 64px; height: 64px; }
.stage-card h4 { font-size: 15px; margin: 0 0 8px !important; }
.stage-card p { font-size: 13px !important; margin-bottom: 8px !important; }
.stage-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.stage-tags span {
    font-size: 11px; font-weight: 600; color: var(--primary);
    background: #fff; border: 1px solid rgba(26,110,255,.2);
    padding: 3px 10px; border-radius: 100px;
}
@media (max-width: 560px) { .stage-card { grid-template-columns: 48px 1fr; gap: 12px; padding: 16px; } .stage-card canvas[data-icon] { width: 48px; height: 48px; } }

/* ===== 引用框 ===== */
.quote-box {
    border-left: 4px solid var(--primary); background: var(--primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 18px 22px; margin: 20px 0;
}
.quote-box p { font-size: 14px !important; color: var(--text) !important; margin: 0 !important; line-height: 1.8; }
.quote-box .q-src { display: block; margin-top: 8px; font-size: 12px; color: var(--text-light); }
.warn-box {
    border-left: 4px solid var(--warning); background: var(--warning-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 18px 22px; margin: 20px 0;
}
.warn-box p { font-size: 14px !important; margin: 0 !important; }
.warn-box p strong { color: var(--warning); }

/* ===== 数据高亮条 ===== */
.metric-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin: 24px 0; }
.metric-cell {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 18px; text-align: center; transition: var(--transition);
}
.metric-cell:hover { border-color: rgba(26,110,255,.3); box-shadow: var(--shadow); transform: translateY(-2px); }
.metric-cell .m-num { font-size: 28px; font-weight: 900; color: var(--primary); font-variant-numeric: tabular-nums; line-height: 1.1; }
.metric-cell .m-lab { font-size: 12px; color: var(--text-secondary); margin-top: 6px; }
.metric-cell .m-src { font-size: 10px; color: var(--text-light); margin-top: 6px; font-style: italic; }
@media (max-width: 768px) { .metric-strip { grid-template-columns: repeat(2,1fr); } }

/* ===== 对比表 ===== */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 20px 0; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.kc-table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 13px; background: #fff; }
.kc-table th {
    background: var(--primary-gradient); color: #fff; font-weight: 700;
    padding: 12px 14px; text-align: left; font-size: 13px; white-space: nowrap;
}
.kc-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: top; line-height: 1.7; }
.kc-table tr:last-child td { border-bottom: none; }
.kc-table td:first-child { font-weight: 700; color: var(--text); white-space: nowrap; }
.kc-table tr:nth-child(even) td { background: var(--bg-warm); }
.kc-table .td-yes { color: var(--success); font-weight: 700; }
.kc-table .td-no { color: var(--text-light); }

/* ===== CoA 矩阵 ===== */
.coa-table td { text-align: center; font-size: 12px; }
.coa-table td:first-child { text-align: left; background: var(--primary-light) !important; color: var(--primary); }
.coa-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.coa-dot.on { background: var(--primary); box-shadow: 0 0 0 3px rgba(26,110,255,.15); }
.coa-dot.opt { background: none; border: 2px dashed var(--primary-light); }

/* ===== 参考文献 ===== */
.ref-list { counter-reset: ref; list-style: none; margin: 0 !important; }
.ref-list li {
    counter-increment: ref; position: relative;
    padding: 14px 16px 14px 56px; margin-bottom: 10px !important;
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 13px !important; line-height: 1.8 !important;
}
.ref-list li::before {
    content: '[' counter(ref) ']';
    position: absolute; left: 14px; top: 14px;
    font-weight: 800; color: var(--primary); font-size: 13px;
}
.ref-list .ref-title { font-weight: 700; color: var(--text); }
.ref-list .ref-src { color: var(--text-light); font-size: 12px; }

/* ===== 术语表 ===== */
.glossary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 20px 0; }
.glossary-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 18px; transition: var(--transition); }
.glossary-item:hover { border-color: rgba(26,110,255,.3); box-shadow: var(--shadow); }
.glossary-item dt { font-weight: 800; color: var(--primary); font-size: 14px; margin-bottom: 4px; }
.glossary-item dd { font-size: 13px; color: var(--text-secondary); line-height: 1.7; margin: 0; }
@media (max-width: 768px) { .glossary-grid { grid-template-columns: 1fr; } }

/* ===== 成熟度条 ===== */
.maturity-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 13px; }
.maturity-row .m-label { width: 110px; flex-shrink: 0; font-weight: 600; color: var(--text); }
.maturity-bar { flex: 1; height: 10px; background: var(--bg-warm); border-radius: 100px; overflow: hidden; border: 1px solid var(--border); }
.maturity-bar i { display: block; height: 100%; width: 0; background: var(--primary-gradient); border-radius: 100px; transition: width 1.2s cubic-bezier(.4,0,.2,1); }
.maturity-row .m-val { width: 48px; text-align: right; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; flex-shrink: 0; }
@media (max-width: 560px) { .maturity-row .m-label { width: 84px; font-size: 12px; } }

/* ===== 底部翻页器 ===== */
.kc-pager {
    display: flex; justify-content: space-between; gap: 16px;
    margin: 48px 0 8px; flex-wrap: wrap;
}
.kc-pager-btn {
    flex: 1; min-width: 220px; display: flex; align-items: center; gap: 14px;
    background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius);
    padding: 18px 22px; text-decoration: none; color: inherit; transition: var(--transition);
}
.kc-pager-btn:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.kc-pager-btn.next { flex-direction: row-reverse; text-align: right; }
.kc-pager-btn .pg-arrow {
    width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
    background: var(--primary-light); display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.kc-pager-btn .pg-arrow svg { width: 18px; height: 18px; color: var(--primary); }
.kc-pager-btn:hover .pg-arrow { background: var(--primary); }
.kc-pager-btn:hover .pg-arrow svg { color: #fff; }
.kc-pager-btn .pg-dir { font-size: 11px; font-weight: 700; color: var(--text-light); letter-spacing: 1px; text-transform: uppercase; }
.kc-pager-btn .pg-title { font-size: 15px; font-weight: 800; color: var(--text); margin-top: 2px; }
.kc-pager-btn.disabled { opacity: .45; pointer-events: none; border-style: dashed; }
@media (max-width: 560px) { .kc-pager-btn { min-width: 100%; } }

/* ===== JS 绘制图标容器 ===== */
.icon-cell {
    width: 48px; height: 48px; background: var(--primary-light); border-radius: 12px;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.icon-cell canvas { width: 28px; height: 28px; }
.stage-fig { text-align: center; margin: 8px 0 4px; }
.stage-fig canvas { max-width: 100%; }

/* ===== 攻击链 Canvas 图容器 ===== */
.kc-diagram-box {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 24px; margin: 24px 0; overflow: hidden; position: relative;
}
.kc-diagram-box canvas { display: block; width: 100%; }
.kc-diagram-caption { font-size: 12px; color: var(--text-light); text-align: center; margin-top: 12px; }

/* ===== 案例×阶段映射表徽标 ===== */
.stage-badges { display: flex; flex-wrap: wrap; gap: 5px; }
.stage-badges i {
    width: 26px; height: 26px; border-radius: 8px; font-style: normal;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 800; color: #fff;
}
.sb1 { background: linear-gradient(135deg,#667eea,#764ba2); }
.sb2 { background: linear-gradient(135deg,#f093fb,#f5576c); }
.sb3 { background: linear-gradient(135deg,#4facfe,#00c6fb); }
.sb4 { background: linear-gradient(135deg,#43e97b,#38f9d7); }
.sb5 { background: linear-gradient(135deg,#fa709a,#fee140); }
.sb6 { background: linear-gradient(135deg,#30cfd0,#330867); }
.sb7 { background: linear-gradient(135deg,#ff0844,#ffb199); }
.sb0 { background: #e2e8f0; color: var(--text-light); }

/* ===== 阅读进度条 ===== */
.read-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--primary-gradient); z-index: 1001; transition: width .1s linear; }

/* ===== 正文引用角标 ===== */
sup.cite { color: var(--primary); font-weight: 700; font-size: 11px; }

/* ===== 时间线增强 ===== */
.mini-timeline { position: relative; margin: 20px 0; padding-left: 22px; border-left: 2px solid var(--primary-light); }
.mini-timeline .mt-item { position: relative; padding-bottom: 16px; }
.mini-timeline .mt-item::before {
    content: ''; position: absolute; left: -28px; top: 5px;
    width: 10px; height: 10px; border-radius: 50%;
    background: #fff; border: 2.5px solid var(--primary);
}
.mini-timeline .mt-year { font-weight: 800; color: var(--primary); font-size: 13px; }
.mini-timeline .mt-item p { font-size: 13px !important; margin: 2px 0 0 !important; }