@charset "UTF-8";:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-tertiary: #f3f4f6;--color-bg-accent: #f0f5ff;--color-bg-accent-green: #f0fdf4;--color-text-primary: #111827;--color-text-secondary: #4b5563;--color-text-muted: #6b7280;--color-text-inverted: #ffffff;--color-border: #e5e7eb;--color-border-light: #dbeafe;--color-border-green: #bbf7d0;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-accent-light: #dbeafe;--color-accent-green: #16a34a;--color-accent-green-hover: #15803d;--color-accent-green-shadow: rgba(22, 163, 74, .3);--color-navbar-bg: #ffffff;--color-navbar-border: #e5e7eb;--color-footer-bg: #1f2937;--color-footer-text: #9ca3af;--color-card-bg: #ffffff;--color-card-shadow: rgba(0, 0, 0, .06);--color-card-shadow-hover: rgba(0, 0, 0, .08);--color-hint-bg: #fffbeb;--color-hint-border: #fde68a;--color-hint-text: #92400e;--color-code-bg: #1f2937;--color-code-text: #a5f3fc;--color-overlay: rgba(0, 0, 0, .6);--color-popup-shadow: rgba(0, 0, 0, .25);--gradient-hero: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);--transition-theme: background-color .3s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease}[data-theme=dark]{--color-bg-primary: #111827;--color-bg-secondary: #1f2937;--color-bg-tertiary: #374151;--color-bg-accent: #1e3a5f;--color-bg-accent-green: #14532d;--color-text-primary: #f9fafb;--color-text-secondary: #d1d5db;--color-text-muted: #9ca3af;--color-text-inverted: #111827;--color-border: #374151;--color-border-light: #1e3a5f;--color-border-green: #166534;--color-accent: #3b82f6;--color-accent-hover: #60a5fa;--color-accent-light: #1e3a5f;--color-accent-green: #22c55e;--color-accent-green-hover: #4ade80;--color-accent-green-shadow: rgba(34, 197, 94, .3);--color-navbar-bg: #1f2937;--color-navbar-border: #374151;--color-footer-bg: #0f172a;--color-footer-text: #9ca3af;--color-card-bg: #1f2937;--color-card-shadow: rgba(0, 0, 0, .3);--color-card-shadow-hover: rgba(0, 0, 0, .4);--color-hint-bg: #422006;--color-hint-border: #92400e;--color-hint-text: #fde68a;--color-code-bg: #0f172a;--color-code-text: #67e8f9;--color-overlay: rgba(0, 0, 0, .8);--color-popup-shadow: rgba(0, 0, 0, .5);--gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--color-text-primary);background:var(--color-bg-primary);line-height:1.5;transition:var(--transition-theme)}h1,h2,h3,h4,h5,h6{line-height:1.2}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}