:root{color-scheme:light;--font-main: "Noto Sans SC", sans-serif;--mobile-nav-content-height: 36px;--node-size-default: 32px;--node-size-hub: 48px;--bg-body: #F9F8F5;--bg-surface: #fcfbf9;--bg-surface-raised: #ffffff;--bg-subtle: #f1ede6;--bg-formula: #efece5;--bg-hover: #f5f0e8;--text-primary: #333639;--text-secondary: #6b7280;--text-muted: #9ca3af;--accent-primary: #0F6E56;--accent-primary-hover: #085041;--accent-secondary: #c46b54;--accent-secondary-hover: #a85a45;--border-default: #e5e0d8;--border-strong: #d6cec3;--border-subtle: rgba(92, 78, 56, .1);--shadow-sm: 0 1px 2px 0 rgba(51, 54, 57, .05);--shadow-md: 0 4px 10px -2px rgba(51, 54, 57, .08), 0 2px 4px -2px rgba(51, 54, 57, .04);--status-mastered: #1D9E75;--status-learning: #7b8fa6;--status-weak: #c46b54;--status-not-started: #a29a8f;--radius: 8px;--radius-lg: 12px;--space-2xs: .3rem;--space-xs: .5rem;--space-sm: .75rem;--space-md: 1rem;--space-lg: 1.25rem;--space-xl: 1.5rem;--space-2xl: 2rem;--space-3xl: 2.5rem;--font-size-eyebrow: .72rem;--font-size-badge: .75rem;--font-size-caption: .78rem;--font-size-label-sm: .8rem;--font-size-label-md: .85rem;--font-size-body-sm: .84rem;--font-size-title-md: 1.2rem;--font-size-title-xl: 2rem;--font-size-metric: 1.9rem;--accent-purple: #7F77DD;--accent-purple-light: #EEEDFE;--accent-purple-text: #534AB7;--card-bg: var(--bg-surface);--card-border: 1px solid var(--border-default);--card-radius: var(--radius-lg);--card-padding: 1.2rem;--card-subtle-bg: var(--bg-subtle);--card-subtle-bg-hover: var(--bg-hover);--card-subtle-border: 1px solid var(--border-subtle);--card-subtle-border-hover: var(--border-strong);--card-lift-hover: translateY(-1px);--transition-card: transform .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease;--color-bg: var(--bg-body);--color-surface: var(--bg-surface);--color-surface-hover: var(--bg-hover);--color-text: var(--text-primary);--color-text-secondary: var(--text-secondary);--color-border: var(--border-default);--color-accent: var(--accent-primary);--color-accent-hover: var(--accent-primary-hover);--color-status-mastered: var(--status-mastered);--color-status-learning: var(--status-learning);--color-status-weak: var(--status-weak);--color-status-not-started: var(--status-not-started);--graph-page-bg: #dde6e4;--graph-canvas-bg: #e6eeeb;--graph-vignette: rgba(86, 122, 112, .12);--graph-panel-bg: rgba(244, 248, 251, .74);--graph-panel-border: rgba(117, 136, 156, .22);--graph-panel-shadow: 0 18px 40px rgba(76, 90, 108, .16);--graph-panel-text: #2d4a42;--graph-panel-text-secondary: #5a6e68;--graph-panel-accent: #1D9E75;--graph-panel-accent-hover: #0F6E56;--graph-panel-item-bg: rgba(255, 255, 255, .42);--graph-panel-item-border: rgba(117, 136, 156, .16);--graph-panel-item-hover-bg: rgba(255, 255, 255, .62);--graph-panel-item-hover-border: rgba(89, 109, 132, .28);--graph-filter-bg: rgba(244, 248, 251, .72);--graph-filter-hover-bg: rgba(255, 255, 255, .54);--graph-filter-active-text: #f8fbfd;--graph-canvas: var(--bg-body);--graph-edge-inner: #cbbca9;--graph-edge-cross: #b88858;--graph-node-stroke: rgba(51, 54, 57, .18);--graph-focus-ring: rgba(15, 110, 86, .2);--graph-label: #6a6a6b;--graph-label-muted: #607081;--graph-link-opacity: .36;--graph-link-opacity-active: .86;--graph-link-opacity-muted: .08;--graph-link-width-inner: 1.1;--graph-link-width-cross: 1.7;--graph-status-mastered: #5DCAA5;--graph-status-learning: #5091d7;--graph-status-weak: #e07858;--graph-status-not-started: #b5b5f7;--graph-theme-chapter-01: #5a8fa0;--graph-theme-chapter-02: #c48a5a;--graph-theme-chapter-03: #c9a84e;--graph-theme-chapter-04: #9580c2;--graph-theme-chapter-05: #6882b0;--graph-theme-chapter-06: #4ea396;--graph-theme-chapter-07: #cf7c62;--graph-theme-chapter-08: #b89840;--graph-chapter-01: var(--graph-theme-chapter-01);--graph-chapter-02: var(--graph-theme-chapter-02);--graph-chapter-03: var(--graph-theme-chapter-03);--graph-chapter-04: var(--graph-theme-chapter-04);--graph-chapter-05: var(--graph-theme-chapter-05);--graph-chapter-06: var(--graph-theme-chapter-06);--graph-chapter-07: var(--graph-theme-chapter-07);--graph-chapter-08: var(--graph-theme-chapter-08);--color-node-ch01: var(--graph-chapter-01);--color-node-ch02: var(--graph-chapter-02);--color-node-ch03: var(--graph-chapter-03);--color-node-ch04: var(--graph-chapter-04);--color-node-ch05: var(--graph-chapter-05);--color-node-ch06: var(--graph-chapter-06);--color-node-ch07: var(--graph-chapter-07);--color-node-ch08: var(--graph-chapter-08);--color-edge-inner: var(--graph-edge-inner);--color-edge-cross: var(--graph-edge-cross)}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg-body: #1a1d20;--bg-surface: #222529;--bg-surface-raised: #272b30;--bg-subtle: #2a2f35;--bg-formula: #2a2f35;--bg-hover: #2f353c;--text-primary: #e5e7eb;--text-secondary: #a7afb9;--text-muted: #7b838d;--accent-primary: #5DCAA5;--accent-primary-hover: #9FE1CB;--accent-secondary: #d88a72;--accent-secondary-hover: #e6a08c;--border-default: #374151;--border-strong: #4b5563;--border-subtle: rgba(255, 255, 255, .08);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .28);--shadow-md: 0 6px 14px -4px rgba(0, 0, 0, .35), 0 2px 4px -2px rgba(0, 0, 0, .22);--status-mastered: #5DCAA5;--status-learning: #92a8bf;--status-weak: #d88a72;--status-not-started: #77808b;--accent-purple: #AFA9EC;--accent-purple-light: #2a2842;--accent-purple-text: #CECBF6;--graph-page-bg: #172420;--graph-canvas-bg: #1d2c28;--graph-vignette: rgba(68, 110, 96, .18);--graph-panel-bg: rgba(20, 28, 36, .72);--graph-panel-border: rgba(149, 170, 191, .16);--graph-panel-shadow: 0 20px 44px rgba(0, 0, 0, .34);--graph-panel-text: #deeee8;--graph-panel-text-secondary: #98b0a8;--graph-panel-accent: #5DCAA5;--graph-panel-accent-hover: #9FE1CB;--graph-panel-item-bg: rgba(255, 255, 255, .04);--graph-panel-item-border: rgba(255, 255, 255, .08);--graph-panel-item-hover-bg: rgba(255, 255, 255, .08);--graph-panel-item-hover-border: rgba(160, 191, 210, .24);--graph-filter-bg: rgba(20, 28, 36, .68);--graph-filter-hover-bg: rgba(255, 255, 255, .06);--graph-filter-active-text: #0f171d;--graph-canvas: var(--bg-body);--graph-edge-inner: #576678;--graph-edge-cross: #a78360;--graph-node-stroke: rgba(229, 231, 235, .14);--graph-focus-ring: rgba(93, 202, 165, .24);--graph-label: #ecf6fd;--graph-label-muted: #8ea0b2;--graph-link-opacity: .34;--graph-link-opacity-active: .88;--graph-link-opacity-muted: .08;--graph-link-width-inner: 1.05;--graph-link-width-cross: 1.65;--graph-status-mastered: #5DCAA5;--graph-status-learning: #8fa7c3;--graph-status-weak: #d88a72;--graph-status-not-started: #748292;--graph-theme-chapter-01: #7ab0c0;--graph-theme-chapter-02: #d9a06a;--graph-theme-chapter-03: #dbbe58;--graph-theme-chapter-04: #b098d8;--graph-theme-chapter-05: #8a9ed0;--graph-theme-chapter-06: #6abcae;--graph-theme-chapter-07: #e09070;--graph-theme-chapter-08: #d0b34e;--graph-chapter-01: var(--graph-theme-chapter-01);--graph-chapter-02: var(--graph-theme-chapter-02);--graph-chapter-03: var(--graph-theme-chapter-03);--graph-chapter-04: var(--graph-theme-chapter-04);--graph-chapter-05: var(--graph-theme-chapter-05);--graph-chapter-06: var(--graph-theme-chapter-06);--graph-chapter-07: var(--graph-theme-chapter-07);--graph-chapter-08: var(--graph-theme-chapter-08)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;transition:background-color .25s ease,color .25s ease}a{color:var(--color-accent);text-decoration:none;transition:color .18s ease}a:hover{color:var(--color-accent-hover)}._nav_1q1jx_1{display:flex;align-items:center;gap:2rem;padding:0 2rem;height:56px;background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}._logo_1q1jx_14{font-size:1.25rem;font-weight:700;color:var(--color-accent);letter-spacing:1px}._logo_1q1jx_14:hover{color:var(--color-accent-hover)}._links_1q1jx_25{display:flex;gap:1.5rem}._mobileLabel_1q1jx_30{display:none}._links_1q1jx_25 a{color:var(--color-text-secondary);font-size:.95rem;padding:.25rem 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}._links_1q1jx_25 a:hover{color:var(--color-text)}._active_1q1jx_46{color:var(--color-text)!important;border-bottom-color:var(--color-accent)!important}@media(max-width:700px){body{padding-bottom:calc(var(--mobile-nav-content-height) + env(safe-area-inset-bottom))}._nav_1q1jx_1{position:fixed;inset:auto 0 0;height:calc(var(--mobile-nav-content-height) + env(safe-area-inset-bottom));padding:0 env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);border-top:1px solid var(--color-border);border-bottom:0;box-shadow:0 -6px 18px #181c2012;transform:translateZ(0)}._logo_1q1jx_14{display:none}._links_1q1jx_25{width:100%;height:var(--mobile-nav-content-height);gap:0}._links_1q1jx_25 a{position:relative;display:flex;flex:1;min-width:0;min-height:36px;align-items:center;justify-content:center;padding:.2rem;border-top:0;border-bottom:0;font-size:.8rem;font-weight:600}._links_1q1jx_25 a:before{position:absolute;top:-1px;left:50%;width:28px;height:2px;border-radius:999px;background:transparent;content:"";transform:translate(-50%)}._active_1q1jx_46{border-bottom-color:transparent!important}._active_1q1jx_46:before{background:var(--color-accent)!important}._desktopLabel_1q1jx_115{display:none}._mobileLabel_1q1jx_30{display:inline}}