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var(--cosmos-ease)}.feedback-btn[data-v-fbb16d6d]:hover:not(:disabled){color:var(--cosmos-accent);border-color:var(--cosmos-accent)}.feedback-btn[data-v-fbb16d6d]:disabled{opacity:.5;cursor:default}.feedback-done[data-v-fbb16d6d]{font-size:var(--cosmos-fs-xs);color:var(--cosmos-accent)}.panel-footer[data-v-fbb16d6d]{display:flex;gap:8px;padding:12px 14px 6px;border-top:1px solid var(--cosmos-glass-border)}.panel-footer input[data-v-fbb16d6d]{flex:1;padding:8px 12px;border-radius:999px;border:1px solid var(--cosmos-glass-border);background:var(--cosmos-tint);color:var(--cosmos-text);outline:none;font-size:.85rem}.panel-footer input[data-v-fbb16d6d]:focus{border-color:var(--cosmos-accent)}.send-btn[data-v-fbb16d6d]{border:none;border-radius:999px;padding:8px 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var(--cosmos-space-md));width:auto;height:60vh;height:60dvh}}.reading-progress[data-v-2f3362f4]{position:fixed;top:0;left:0;right:0;height:3px;z-index:var(--cosmos-z-progress);background:transparent;pointer-events:none}.reading-progress-bar[data-v-2f3362f4]{height:100%;background:var(--cosmos-gradient);transition:width .1s linear}.floating-tools[data-v-2f3362f4]{position:fixed;left:24px;bottom:28px;z-index:var(--cosmos-z-float);display:flex;flex-direction:column;gap:10px}.tools-group[data-v-2f3362f4]{display:flex;flex-direction:column;gap:10px}.floating-tools:not(.open) .tools-group[data-v-2f3362f4]{display:none}.tools-group[data-v-2f3362f4],.floating-tools .tools-toggle[data-v-2f3362f4]{touch-action:none}.floating-tools.dragging .tool-btn[data-v-2f3362f4]{cursor:grabbing}.tools-toggle .toggle-icon[data-v-2f3362f4]{transition:transform var(--cosmos-dur) var(--cosmos-ease)}.floating-tools.open .tools-toggle .toggle-icon[data-v-2f3362f4]{transform:rotate(180deg)}.tool-btn[data-v-2f3362f4]{position:relative;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--cosmos-glass-border);background:var(--cosmos-glass-bg);-webkit-backdrop-filter:blur(var(--cosmos-glass-blur));backdrop-filter:blur(var(--cosmos-glass-blur));color:var(--cosmos-text-secondary);cursor:pointer;box-shadow:var(--cosmos-shadow);transition:color var(--cosmos-dur) var(--cosmos-ease),transform var(--cosmos-dur) var(--cosmos-ease),border-color var(--cosmos-dur) var(--cosmos-ease)}.tool-btn[data-v-2f3362f4]:hover,.tool-btn.on[data-v-2f3362f4]{color:var(--cosmos-accent-text);border-color:var(--cosmos-accent);transform:translateY(-2px)}.tool-btn.immersive-exit[data-v-2f3362f4]{color:var(--cosmos-accent-text);border-color:var(--cosmos-accent)}.badge[data-v-2f3362f4]{position:absolute;top:-4px;right:-4px;min-width:16px;height:16px;padding:0 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var(--cosmos-glass-border);background:transparent;color:var(--cosmos-text-secondary);font-size:.75rem;cursor:pointer}.panel-reset[data-v-2f3362f4]:hover{color:var(--cosmos-accent);border-color:var(--cosmos-accent)}.panel-fade-enter-active[data-v-2f3362f4],.panel-fade-leave-active[data-v-2f3362f4]{transition:opacity var(--cosmos-dur-fast) var(--cosmos-ease),transform var(--cosmos-dur-fast) var(--cosmos-ease)}.panel-fade-enter-from[data-v-2f3362f4],.panel-fade-leave-to[data-v-2f3362f4]{opacity:0;transform:translate(-8px)}@media (max-width: 768px){.floating-tools[data-v-2f3362f4]{left:14px;bottom:calc(var(--cosmos-bottom-nav-space) + var(--cosmos-space-xl))}.reader-panel[data-v-2f3362f4]{left:46px;width:min(232px,calc(100vw - 60px))}}@media (hover: none),(pointer: coarse){.tool-btn[data-v-2f3362f4]{width:44px;height:44px}.step-btn[data-v-2f3362f4]{width:44px;height:40px}}@media (prefers-reduced-motion: reduce){.panel-fade-enter-active[data-v-2f3362f4],.panel-fade-leave-active[data-v-2f3362f4],.reading-progress-bar[data-v-2f3362f4]{transition:none}}.search-mask[data-v-a75d15b2]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--cosmos-z-modal);display:flex;justify-content:center;padding-top:12vh;background:var(--cosmos-overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.search-panel[data-v-a75d15b2]{width:min(640px,92vw);max-height:70vh;display:flex;flex-direction:column;overflow:hidden;background:var(--cosmos-bg-secondary);box-shadow:var(--cosmos-shadow)}.search-head[data-v-a75d15b2]{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--cosmos-glass-border)}.search-field[data-v-a75d15b2]{flex:1;border:none;outline:none;background:transparent;color:var(--cosmos-text);font-size:var(--cosmos-fs-md)}.esc-hint[data-v-a75d15b2]{padding:2px 8px;border:1px solid var(--cosmos-glass-border);border-radius:6px;font-size:var(--cosmos-fs-2xs);color:var(--cosmos-text-secondary)}.scope-row[data-v-a75d15b2]{display:flex;gap:6px;padding:8px 14px;border-bottom:1px solid var(--cosmos-glass-border)}.search-body[data-v-a75d15b2]{overflow-y:auto;padding:8px}.suggest-list[data-v-a75d15b2]{list-style:none;margin-bottom:4px;padding-bottom:6px;border-bottom:1px dashed var(--cosmos-glass-border)}.suggest-item[data-v-a75d15b2]{width:100%;padding:8px 12px;border:none;border-radius:7px;background:transparent;color:var(--cosmos-text-secondary);font-size:var(--cosmos-fs-sm);text-align:left;cursor:pointer}.suggest-item[data-v-a75d15b2]:hover,.suggest-item.active[data-v-a75d15b2]{background:var(--cosmos-glass-bg);color:var(--cosmos-text)}.hit[data-v-a75d15b2]{display:flex;align-items:flex-start;gap:10px;width:100%;padding:10px 12px;border:none;border-radius:8px;background:transparent;color:inherit;text-align:left;cursor:pointer}.hit[data-v-a75d15b2]:hover{background:var(--cosmos-glass-bg)}.hit-type[data-v-a75d15b2]{flex-shrink:0;margin-top:2px;padding:1px 7px;border-radius:4px;border:1px solid var(--cosmos-glass-border);font-size:var(--cosmos-fs-2xs);color:var(--cosmos-text-secondary)}.hit-main[data-v-a75d15b2]{display:flex;flex-direction:column;gap:4px;min-width:0}.hit-title[data-v-a75d15b2]{font-size:var(--cosmos-fs-base);font-weight:600}.hit-summary[data-v-a75d15b2]{font-size:var(--cosmos-fs-xs);color:var(--cosmos-text-secondary);display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.hit-all[data-v-a75d15b2]{width:100%;margin-top:6px;padding:10px;border:none;background:transparent;color:var(--cosmos-accent);font-size:var(--cosmos-fs-sm);cursor:pointer}.word-block[data-v-a75d15b2]{padding:8px 6px}.word-head[data-v-a75d15b2]{display:flex;align-items:center;justify-content:space-between;font-size:var(--cosmos-fs-xs);color:var(--cosmos-text-secondary);margin-bottom:8px}.clear-link[data-v-a75d15b2]{border:none;background:none;color:var(--cosmos-text-secondary);font-size:var(--cosmos-fs-xs);cursor:pointer}.clear-link[data-v-a75d15b2]:hover{color:var(--cosmos-accent)}.word-list[data-v-a75d15b2]{display:flex;flex-wrap:wrap;gap:8px}.word-chip[data-v-a75d15b2]{padding:4px 12px;border-radius:999px;border:1px solid var(--cosmos-glass-border);background:transparent;color:var(--cosmos-text-secondary);font-size:var(--cosmos-fs-xs);cursor:pointer;transition:color var(--cosmos-dur) var(--cosmos-ease),border-color var(--cosmos-dur) var(--cosmos-ease)}.word-chip[data-v-a75d15b2]:hover,.word-chip.hot[data-v-a75d15b2]{color:var(--cosmos-accent);border-color:var(--cosmos-accent)}.search-tip[data-v-a75d15b2]{padding:22px 12px;text-align:center;font-size:var(--cosmos-fs-sm);color:var(--cosmos-text-secondary)}.toast-host[data-v-d6f31257]{position:fixed;top:76px;right:24px;z-index:var(--cosmos-z-toast);display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast[data-v-d6f31257]{display:flex;align-items:center;gap:10px;min-width:220px;max-width:min(360px,86vw);padding:11px 14px;pointer-events:auto;background:var(--cosmos-bg-secondary);box-shadow:var(--cosmos-shadow)}.dot[data-v-d6f31257]{width:8px;height:8px;border-radius:50%;flex-shrink:0;background:var(--cosmos-accent)}.toast.success .dot[data-v-d6f31257]{background:var(--cosmos-success)}.toast.error .dot[data-v-d6f31257]{background:var(--cosmos-danger)}.msg[data-v-d6f31257]{flex:1;font-size:.86rem;color:var(--cosmos-text);word-break:break-word}.close[data-v-d6f31257]{border:none;background:none;color:var(--cosmos-text-secondary);font-size:1rem;line-height:1;cursor:pointer;padding:0 2px}.close[data-v-d6f31257]:hover{color:var(--cosmos-text)}.toast-enter-active[data-v-d6f31257],.toast-leave-active[data-v-d6f31257]{transition:opacity .22s ease,transform .22s ease}.toast-enter-from[data-v-d6f31257],.toast-leave-to[data-v-d6f31257]{opacity:0;transform:translate(24px)}@media (max-width: 768px){.toast-host[data-v-d6f31257]{top:66px;right:12px;left:12px}.toast[data-v-d6f31257]{max-width:none}}@media (prefers-reduced-motion: reduce){.toast-enter-active[data-v-d6f31257],.toast-leave-active[data-v-d6f31257]{transition:none}}.main-content[data-v-4f4b0ac9]{flex:1;width:100%;max-width:var(--cosmos-max-width);margin:0 auto;padding:var(--cosmos-space-xl) var(--cosmos-space-lg) var(--cosmos-space-4xl)}.main-content.immersive[data-v-4f4b0ac9]{max-width:100%;padding-top:var(--cosmos-space-2xl)}.header-banner-slot[data-v-4f4b0ac9]{width:100%;max-width:var(--cosmos-max-width);margin:0 auto;padding:var(--cosmos-space-lg) var(--cosmos-space-lg) 0}.skip-link[data-v-4f4b0ac9]{position:fixed;top:var(--cosmos-space-sm);left:var(--cosmos-space-sm);z-index:var(--cosmos-z-skip);padding:var(--cosmos-space-sm) var(--cosmos-space-lg);border-radius:var(--cosmos-radius-sm);background:var(--cosmos-gradient);color:var(--cosmos-on-accent);font-size:var(--cosmos-fs-sm);font-weight:var(--cosmos-fw-semibold);transform:translateY(-200%);transition:transform var(--cosmos-dur) var(--cosmos-ease)}.skip-link[data-v-4f4b0ac9]:focus{transform:translateY(0)}.offline-banner[data-v-4f4b0ac9]{position:fixed;top:0;left:0;right:0;z-index:var(--cosmos-z-overlay);padding:var(--cosmos-space-sm) var(--cosmos-space-lg);text-align:center;font-size:var(--cosmos-fs-sm);color:var(--cosmos-on-warning);background:var(--cosmos-warning)}.offline-fade-enter-active[data-v-4f4b0ac9],.offline-fade-leave-active[data-v-4f4b0ac9]{transition:opacity var(--cosmos-dur) var(--cosmos-ease),transform var(--cosmos-dur) var(--cosmos-ease)}.offline-fade-enter-from[data-v-4f4b0ac9],.offline-fade-leave-to[data-v-4f4b0ac9]{opacity:0;transform:translateY(-100%)}.maintenance-overlay[data-v-4f4b0ac9]{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--cosmos-z-modal);background:var(--cosmos-overlay-strong);display:flex;align-items:center;justify-content:center;padding:var(--cosmos-space-xl)}.maintenance-card[data-v-4f4b0ac9]{padding:var(--cosmos-space-2xl) var(--cosmos-space-3xl);text-align:center;max-width:420px}.maintenance-card h2[data-v-4f4b0ac9]{font-size:var(--cosmos-fs-xl);margin-bottom:var(--cosmos-space-md)}.maintenance-card p[data-v-4f4b0ac9]{font-size:var(--cosmos-fs-base);color:var(--cosmos-text-secondary)}@media (prefers-reduced-motion: reduce){.skip-link[data-v-4f4b0ac9],.offline-fade-enter-active[data-v-4f4b0ac9],.offline-fade-leave-active[data-v-4f4b0ac9]{transition:none}}:root{color-scheme:light;--cosmos-accent: #2563eb;--cosmos-accent-2: #7c3aed;--cosmos-accent-soft: rgb(37 99 235 / 22%);--cosmos-accent-glow: rgb(37 99 235 / 38%);--cosmos-accent-text: #1d4ed8;--cosmos-accent-rgb: 37 99 235;--cosmos-aurora-1: rgb(37 99 235 / 10%);--cosmos-aurora-2: rgb(124 58 237 / 8%);--cosmos-on-accent: #fff;--cosmos-on-warning: #1f1300;--cosmos-image-text-shadow: 0 1px 3px rgb(0 0 0 / 45%), 0 2px 18px rgb(0 0 0 / 32%);--cosmos-gradient: linear-gradient(135deg, var(--cosmos-accent), var(--cosmos-accent-2));--cosmos-success: #059669;--cosmos-success-strong: #047857;--cosmos-success-soft: rgb(5 150 105 / 12%);--cosmos-warning: #d97706;--cosmos-warning-strong: #b45309;--cosmos-warning-soft: rgb(217 119 6 / 14%);--cosmos-danger: #dc2626;--cosmos-danger-strong: #b91c1c;--cosmos-danger-soft: rgb(220 38 38 / 12%);--cosmos-info: #2563eb;--cosmos-info-strong: #1d4ed8;--cosmos-info-soft: rgb(37 99 235 / 12%);--cosmos-like: #f43f5e;--cosmos-like-strong: #e11d48;--cosmos-like-soft: rgb(244 63 94 / 12%);--cosmos-bg: #f5f7fb;--cosmos-bg-secondary: #fff;--cosmos-bg-elevated: #fff;--cosmos-bg-sunken: #eaeef6;--cosmos-bg-hover: rgb(15 23 42 / 4%);--cosmos-text: #1f2430;--cosmos-text-secondary: #5a616e;--cosmos-text-muted: #6b7280;--cosmos-heading: #1f2430;--cosmos-border: rgb(15 23 42 / 8%);--cosmos-border-strong: rgb(15 23 42 / 16%);--cosmos-glass-bg: rgb(255 255 255 / 78%);--cosmos-glass-bg-strong: rgb(255 255 255 / 92%);--cosmos-glass-border: rgb(15 23 42 / 8%);--cosmos-glass-blur: 12px;--cosmos-code-bg: #161b22;--cosmos-code-text: #e6edf3;--cosmos-code-gutter: rgb(255 255 255 / 55%);--cosmos-code-font-size: 13.5px;--cosmos-code-line-height: 1.65;--cosmos-code-border: rgb(255 255 255 / 12%);--cosmos-tint: rgb(15 23 42 / 8%);--cosmos-tint-strong: rgb(15 23 42 / 14%);--cosmos-overlay: rgb(10 10 26 / 45%);--cosmos-overlay-strong: rgb(0 0 0 / 85%);--cosmos-on-dark: #fff;--cosmos-on-dark-muted: rgb(255 255 255 / 82%);--cosmos-on-dark-border: rgb(255 255 255 / 24%);--cosmos-on-dark-surface: rgb(0 0 0 / 55%);--cosmos-on-dark-surface-hover: rgb(0 0 0 / 75%);--cosmos-max-width: 1200px;--cosmos-nav-h: 60px;--cosmos-sidebar-width: 280px;--cosmos-bottom-nav-h: 56px;--cosmos-bottom-nav-space: calc(var(--cosmos-bottom-nav-h) + env(safe-area-inset-bottom, 0px));--cosmos-radius-scale: 1;--cosmos-radius: calc(14px * var(--cosmos-radius-scale));--cosmos-radius-xs: calc(4px * var(--cosmos-radius-scale));--cosmos-radius-sm: calc(8px * var(--cosmos-radius-scale));--cosmos-radius-lg: calc(20px * var(--cosmos-radius-scale));--cosmos-radius-pill: 999px;--cosmos-space-xs: 4px;--cosmos-space-sm: 8px;--cosmos-space-md: 12px;--cosmos-space-lg: 16px;--cosmos-space-xl: 24px;--cosmos-space-2xl: 32px;--cosmos-space-3xl: 48px;--cosmos-space-4xl: 64px;--cosmos-fs-input: 16px;--cosmos-font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;--cosmos-font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;--cosmos-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--cosmos-fs-2xs: .6875rem;--cosmos-fs-xs: .75rem;--cosmos-fs-sm: .8125rem;--cosmos-fs-base: .875rem;--cosmos-fs-md: .9375rem;--cosmos-fs-lg: 1.0625rem;--cosmos-fs-xl: 1.25rem;--cosmos-fs-2xl: 1.5rem;--cosmos-fs-3xl: 2rem;--cosmos-fs-4xl: clamp(2rem, 5vw, 2.75rem);--cosmos-fw-normal: 400;--cosmos-fw-medium: 500;--cosmos-fw-semibold: 600;--cosmos-fw-bold: 700;--cosmos-lh-tight: 1.25;--cosmos-lh-snug: 1.4;--cosmos-lh-normal: 1.6;--cosmos-lh-relaxed: 1.75;--cosmos-lh-article: 1.85;--cosmos-letter-spacing: .01em;--cosmos-shadow-xs: 0 1px 2px rgb(15 23 42 / 5%);--cosmos-shadow-sm: 0 4px 12px rgb(15 23 42 / 6%);--cosmos-shadow: 0 8px 24px rgb(15 23 42 / 8%);--cosmos-shadow-lg: 0 18px 48px rgb(15 23 42 / 14%);--cosmos-shadow-hover: 0 14px 32px rgb(37 99 235 / 16%);--cosmos-dur-fast: .16s;--cosmos-dur: .22s;--cosmos-dur-slow: .32s;--cosmos-ease: cubic-bezier(.4, 0, .2, 1);--cosmos-ease-out: cubic-bezier(.16, 1, .3, 1);--cosmos-z-bg: 0;--cosmos-z-base: 1;--cosmos-z-float: 100;--cosmos-z-sticky: 120;--cosmos-z-progress: 130;--cosmos-z-dropdown: 250;--cosmos-z-overlay: 300;--cosmos-z-modal: 900;--cosmos-z-toast: 1000;--cosmos-z-skip: 1100;--cosmos-focus-ring: 0 0 0 3px var(--cosmos-accent-soft)}[data-theme=dark],[data-theme=amoled]{color-scheme:dark;--cosmos-accent: #22d3ee;--cosmos-accent-2: #a78bfa;--cosmos-accent-soft: rgb(34 211 238 / 18%);--cosmos-accent-glow: rgb(34 211 238 / 32%);--cosmos-accent-text: #67e8f9;--cosmos-accent-rgb: 34 211 238;--cosmos-aurora-1: rgb(34 211 238 / 12%);--cosmos-aurora-2: rgb(167 139 250 / 10%);--cosmos-on-accent: #0a0a1a;--cosmos-image-text-shadow: 0 1px 3px rgb(0 0 0 / 65%), 0 2px 22px rgb(0 0 0 / 55%);--cosmos-gradient: linear-gradient(135deg, #22d3ee, #a78bfa);--cosmos-success: #34d399;--cosmos-success-strong: #6ee7b7;--cosmos-success-soft: rgb(52 211 153 / 16%);--cosmos-warning: #fbbf24;--cosmos-warning-strong: #fcd34d;--cosmos-warning-soft: rgb(251 191 36 / 16%);--cosmos-danger: #f87171;--cosmos-danger-strong: #fca5a5;--cosmos-danger-soft: rgb(248 113 113 / 16%);--cosmos-info: #60a5fa;--cosmos-info-strong: #93c5fd;--cosmos-info-soft: rgb(96 165 250 / 16%);--cosmos-like: #fb7185;--cosmos-like-strong: #fda4af;--cosmos-like-soft: rgb(251 113 133 / 16%);--cosmos-bg: #0a0a1a;--cosmos-bg-secondary: #10102a;--cosmos-bg-elevated: #16163a;--cosmos-bg-sunken: #07070f;--cosmos-bg-hover: rgb(255 255 255 / 6%);--cosmos-text: #e6e6f0;--cosmos-text-secondary: #9a9ab5;--cosmos-text-muted: #8585a0;--cosmos-heading: #e6e6f0;--cosmos-border: rgb(255 255 255 / 10%);--cosmos-border-strong: rgb(255 255 255 / 20%);--cosmos-glass-bg: rgb(255 255 255 / 5%);--cosmos-glass-bg-strong: rgb(16 16 42 / 92%);--cosmos-glass-border: rgb(255 255 255 / 10%);--cosmos-tint: rgb(255 255 255 / 10%);--cosmos-tint-strong: rgb(255 255 255 / 16%);--cosmos-overlay: rgb(4 6 20 / 65%);--cosmos-code-bg: #0d1117;--cosmos-code-text: #e6edf3;--cosmos-code-gutter: rgb(255 255 255 / 50%);--cosmos-code-border: rgb(255 255 255 / 10%);--cosmos-shadow-xs: 0 1px 2px rgb(0 0 0 / 30%);--cosmos-shadow-sm: 0 4px 14px rgb(0 0 0 / 30%);--cosmos-shadow: 0 8px 30px rgb(0 0 0 / 35%);--cosmos-shadow-lg: 0 20px 52px rgb(0 0 0 / 45%);--cosmos-shadow-hover: 0 12px 36px rgb(34 211 238 / 18%)}@media (prefers-color-scheme: dark){:root:not([data-theme]){color-scheme:dark;--cosmos-accent: #22d3ee;--cosmos-accent-2: #a78bfa;--cosmos-accent-text: #67e8f9;--cosmos-aurora-1: rgb(34 211 238 / 12%);--cosmos-aurora-2: rgb(167 139 250 / 10%);--cosmos-on-accent: #0a0a1a;--cosmos-bg: #0a0a1a;--cosmos-bg-secondary: #10102a;--cosmos-bg-elevated: #16163a;--cosmos-bg-sunken: #07070f;--cosmos-bg-hover: rgb(255 255 255 / 6%);--cosmos-text: #e6e6f0;--cosmos-text-secondary: #9a9ab5;--cosmos-text-muted: #8585a0;--cosmos-heading: #e6e6f0;--cosmos-border: rgb(255 255 255 / 10%);--cosmos-border-strong: rgb(255 255 255 / 20%);--cosmos-glass-bg: rgb(255 255 255 / 5%);--cosmos-glass-bg-strong: rgb(16 16 42 / 92%);--cosmos-glass-border: rgb(255 255 255 / 10%);--cosmos-tint: rgb(255 255 255 / 10%);--cosmos-tint-strong: rgb(255 255 255 / 16%);--cosmos-overlay: rgb(4 6 20 / 65%);--cosmos-shadow-xs: 0 1px 2px rgb(0 0 0 / 30%);--cosmos-shadow-sm: 0 4px 14px rgb(0 0 0 / 30%);--cosmos-shadow: 0 8px 30px rgb(0 0 0 / 35%);--cosmos-shadow-lg: 0 20px 52px rgb(0 0 0 / 45%)}}[data-font=serif] body,[data-font=serif] input,[data-font=serif] textarea,[data-font=serif] button{font-family:var(--cosmos-font-serif)}[data-radius=standard]{--cosmos-radius-scale: .72}[data-radius=sharp]{--cosmos-radius-scale: .43}[data-motion=reduced] *,[data-motion=reduced] *:before,[data-motion=reduced] *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}[data-density=compact]{--cosmos-space-xs: 3px;--cosmos-space-sm: 6px;--cosmos-space-md: 9px;--cosmos-space-lg: 12px;--cosmos-space-xl: 18px;--cosmos-space-2xl: 24px;--cosmos-space-3xl: 36px;--cosmos-space-4xl: 48px}[data-theme=amoled]{--cosmos-bg: #000;--cosmos-bg-secondary: #0a0a0c;--cosmos-bg-elevated: #121215;--cosmos-bg-sunken: #000;--cosmos-bg-hover: rgb(255 255 255 / 8%);--cosmos-border: rgb(255 255 255 / 14%);--cosmos-border-strong: rgb(255 255 255 / 24%);--cosmos-glass-bg: rgb(255 255 255 / 6%);--cosmos-glass-bg-strong: rgb(10 10 12 / 94%);--cosmos-glass-border: rgb(255 255 255 / 14%);--cosmos-shadow: 0 8px 28px -10px rgb(0 0 0 / 90%);--cosmos-shadow-hover: 0 14px 36px -12px rgb(0 0 0 / 95%);--cosmos-shadow-xs: 0 1px 2px rgb(0 0 0 / 80%);--cosmos-shadow-sm: 0 4px 14px -6px rgb(0 0 0 / 85%);--cosmos-shadow-lg: 0 20px 52px -16px rgb(0 0 0 / 95%);--cosmos-overlay: rgb(0 0 0 / 78%);--cosmos-tint: rgb(255 255 255 / 14%);--cosmos-tint-strong: rgb(255 255 255 / 20%);--cosmos-code-bg: #05070c;--cosmos-code-text: #e6edf3;--cosmos-code-gutter: rgb(255 255 255 / 48%);--cosmos-code-border: rgb(255 255 255 / 14%)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}body,.glass-card{transition:background-color var(--cosmos-dur-slow) var(--cosmos-ease),border-color var(--cosmos-dur-slow) var(--cosmos-ease),color var(--cosmos-dur-slow) var(--cosmos-ease),box-shadow var(--cosmos-dur-slow) var(--cosmos-ease)}body{background:var(--cosmos-bg);color:var(--cosmos-text);font-family:var(--cosmos-font);font-size:var(--cosmos-fs-md);line-height:var(--cosmos-lh-normal);letter-spacing:var(--cosmos-letter-spacing);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip}h1,h2,h3,h4,h5,h6{color:var(--cosmos-heading);font-weight:var(--cosmos-fw-semibold);line-height:var(--cosmos-lh-tight);letter-spacing:-.01em}h1{font-size:var(--cosmos-fs-3xl)}h2{font-size:var(--cosmos-fs-2xl)}h3{font-size:var(--cosmos-fs-xl)}p{margin-bottom:1rem}a{color:inherit;text-decoration:none}img,video,canvas{max-width:100%;height:auto}code,kbd,pre,samp{font-family:var(--cosmos-font-mono)}hr{border:0;border-top:1px solid var(--cosmos-border)}#app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.glass-card{background:var(--cosmos-glass-bg);border:1px solid var(--cosmos-glass-border);border-radius:var(--cosmos-radius);backdrop-filter:blur(var(--cosmos-glass-blur));-webkit-backdrop-filter:blur(var(--cosmos-glass-blur));box-shadow:var(--cosmos-shadow-xs)}.glass-card:hover{box-shadow:var(--cosmos-shadow-hover)}.cosmos-card{background:var(--cosmos-bg-secondary);border:1px solid var(--cosmos-border);border-radius:var(--cosmos-radius);box-shadow:var(--cosmos-shadow-xs)}.cosmos-pill{display:inline-flex;align-items:center;justify-content:center;gap:var(--cosmos-space-xs);height:32px;padding:0 var(--cosmos-space-md);border:1px solid var(--cosmos-glass-border);border-radius:var(--cosmos-radius-pill);background:var(--cosmos-glass-bg);color:var(--cosmos-text-secondary);font-size:var(--cosmos-fs-xs);font-weight:var(--cosmos-fw-medium);line-height:1;cursor:pointer;transition:color var(--cosmos-dur-fast) var(--cosmos-ease),border-color var(--cosmos-dur-fast) var(--cosmos-ease),background var(--cosmos-dur-fast) var(--cosmos-ease),transform var(--cosmos-dur-fast) var(--cosmos-ease)}.cosmos-pill:hover:not(:disabled){color:var(--cosmos-accent-text);border-color:var(--cosmos-accent);transform:translateY(-1px)}.cosmos-pill:active:not(:disabled){transform:scale(.97)}.cosmos-pill:disabled{opacity:.45;cursor:not-allowed}.cosmos-pill[aria-pressed=true],.cosmos-pill.is-active{color:var(--cosmos-on-accent);border-color:transparent;background:var(--cosmos-gradient)}.cosmos-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--cosmos-space-sm);height:40px;padding:0 var(--cosmos-space-xl);border:0;border-radius:var(--cosmos-radius-pill);background:var(--cosmos-gradient);color:var(--cosmos-on-accent);font-family:inherit;font-size:var(--cosmos-fs-base);font-weight:var(--cosmos-fw-semibold);cursor:pointer;transition:box-shadow var(--cosmos-dur) var(--cosmos-ease),transform var(--cosmos-dur) var(--cosmos-ease),opacity var(--cosmos-dur) var(--cosmos-ease)}.cosmos-btn:hover:not(:disabled){box-shadow:var(--cosmos-accent-glow) 0 10px 24px -6px;transform:translateY(-1px)}.cosmos-btn:disabled{opacity:.6;cursor:not-allowed}.cosmos-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:var(--cosmos-space-sm);height:40px;padding:0 var(--cosmos-space-xl);border:1px solid var(--cosmos-border-strong);border-radius:var(--cosmos-radius-pill);background:transparent;color:var(--cosmos-text);font-family:inherit;font-size:var(--cosmos-fs-base);font-weight:var(--cosmos-fw-medium);cursor:pointer;transition:color var(--cosmos-dur-fast) var(--cosmos-ease),border-color var(--cosmos-dur-fast) var(--cosmos-ease),background var(--cosmos-dur-fast) var(--cosmos-ease)}.cosmos-btn-ghost:hover{color:var(--cosmos-accent-text);border-color:var(--cosmos-accent);background:var(--cosmos-accent-soft)}.cosmos-badge{display:inline-flex;align-items:center;gap:var(--cosmos-space-xs);padding:2px var(--cosmos-space-sm);border-radius:var(--cosmos-radius-pill);background:var(--cosmos-accent-soft);color:var(--cosmos-accent-text);font-size:var(--cosmos-fs-2xs);font-weight:var(--cosmos-fw-semibold);line-height:1.6}.cosmos-badge--success{background:var(--cosmos-success-soft);color:var(--cosmos-success-strong)}.cosmos-badge--warning{background:var(--cosmos-warning-soft);color:var(--cosmos-warning-strong)}.cosmos-badge--danger{background:var(--cosmos-danger-soft);color:var(--cosmos-danger-strong)}.cosmos-banner{padding:var(--cosmos-space-sm) var(--cosmos-space-lg);background:var(--cosmos-warning);color:var(--cosmos-on-warning);font-size:var(--cosmos-fs-sm);font-weight:var(--cosmos-fw-medium);text-align:center}.gradient-text{background:var(--cosmos-gradient);background-clip:text;-webkit-background-clip:text;color:transparent}.cosmos-divider{height:1px;background:var(--cosmos-border);margin:var(--cosmos-space-xl) 0}mark.cosmos-hl{padding:0 2px;border-radius:var(--cosmos-radius-xs);background:var(--cosmos-accent-soft);color:var(--cosmos-accent-text)}.cosmos-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.cosmos-pill--soft[aria-pressed=true],.cosmos-pill--soft.is-active{color:var(--cosmos-accent-text);border-color:var(--cosmos-accent);background:var(--cosmos-accent-soft)}.cosmos-page{display:flex;flex-direction:column;gap:var(--cosmos-space-lg)}.cosmos-page>:first-child{margin-top:0}.page-title{margin:0;font-size:var(--cosmos-fs-2xl);font-weight:var(--cosmos-fw-bold);line-height:var(--cosmos-lh-tight)}::selection{background:var(--cosmos-accent);color:var(--cosmos-on-accent)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--cosmos-border-strong);border:2px solid transparent;border-radius:var(--cosmos-radius-pill);background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:var(--cosmos-accent);background-clip:padding-box}html{scrollbar-width:thin;scrollbar-color:var(--cosmos-border-strong) transparent}:focus-visible{outline:2px solid var(--cosmos-accent);outline-offset:2px;border-radius:var(--cosmos-radius-xs)}html :is(input,textarea,select):focus-visible{outline:none;border-color:var(--cosmos-accent);box-shadow:var(--cosmos-focus-ring)}::placeholder{color:var(--cosmos-text-muted);opacity:1}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (hover: none),(pointer: coarse){.cosmos-pill,.cosmos-btn,.cosmos-btn-ghost{min-height:44px}.cosmos-pill{padding:0 var(--cosmos-space-lg)}}@media (hover: none),(pointer: coarse){html input:not([type=checkbox]):not([type=radio]):not([type=range]),html textarea,html select{font-size:var(--cosmos-fs-input)}}[data-dark-image-dim="1"][data-theme=dark] .article-body img,[data-dark-image-dim="1"][data-theme=amoled] .article-body img,[data-dark-image-dim="1"][data-theme=dark] .progressive img,[data-dark-image-dim="1"][data-theme=amoled] .progressive img{filter:brightness(.86)}@media print{.site-nav,.floating-tools,.toc-float,.reading-progress,.avatar-assistant,.skip-link,.offline-banner,.comment-section{display:none!important}body{background:#fff!important;color:#000!important}#app{min-height:0}.main-content,.footer{padding:0!important;max-width:none!important}.glass-card,.cosmos-card{background:none!important;border:0!important;box-shadow:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.article-body{max-width:none!important;font-size:12pt!important;line-height:1.65!important}.article-body pre,.article-body code{max-height:none!important;overflow:visible!important;background:#f4f4f5!important;color:#111!important;border:1px solid #ddd!important}a{color:#000!important;text-decoration:underline}}@media (max-width: 768px){:root{--cosmos-nav-h: 0px}html{font-size:15px}body{letter-spacing:0}.cosmos-pill,.cosmos-btn,.cosmos-btn-ghost{min-height:40px}}@media (max-width: 480px){:root{--cosmos-radius: calc(12px * var(--cosmos-radius-scale));--cosmos-space-xl: 20px;--cosmos-space-2xl: 26px}.cosmos-btn,.cosmos-btn-ghost{height:38px;padding:0 var(--cosmos-space-lg)}}