:root{--color-bg: #e0e5ec;--color-bg-hover: #e8edf6;--color-shadow-dark: #a3b1c6;--color-shadow-light: #ffffff;--color-text-primary: #4a5568;--color-text-secondary: #6b7a90;--color-accent: #ff6b35;--color-accent-light: #ff8c5a;--color-border: rgba(0, 0, 0, .05);--color-surface: rgba(255, 255, 255, .2);--color-footer: rgba(224, 229, 236, .96);--space-xs: .25rem;--space-sm: .5rem;--space-md: .75rem;--space-base: 1rem;--space-lg: 1.25rem;--space-xl: 1.5rem;--space-2xl: 2rem;--space-3xl: 2.5rem;--space-4xl: 3rem;--space-5xl: 5rem;--radius-xs: 0;--radius-sm: 0;--radius-md: 0;--radius-lg: 0;--radius-pill: 0;--shadow-raised: none;--shadow-raised-hover: none;--shadow-pressed: none;--shadow-card: none;--shadow-footer: none;--font-family-base: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-md: 1.125rem;--font-size-lg: 1.25rem;--font-size-xl: 1.375rem;--font-size-2xl: 1.5rem;--font-size-3xl: 3rem;--container-max-width: 87.5rem;--card-min-width: 17.5rem;--card-image-max-height: 26.25rem;--transition-base: all .2s ease}:root[data-theme=dark]{color-scheme:dark;--color-bg: #151922;--color-bg-hover: #202633;--color-shadow-dark: #0d1016;--color-shadow-light: #242b38;--color-text-primary: #e7ebf2;--color-text-secondary: #aab4c5;--color-border: rgba(255, 255, 255, .1);--color-surface: rgba(255, 255, 255, .06);--color-footer: rgba(21, 25, 34, .96)}@media(prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--color-bg: #151922;--color-bg-hover: #202633;--color-shadow-dark: #0d1016;--color-shadow-light: #242b38;--color-text-primary: #e7ebf2;--color-text-secondary: #aab4c5;--color-border: rgba(255, 255, 255, .1);--color-surface: rgba(255, 255, 255, .06);--color-footer: rgba(21, 25, 34, .96)}}html{scroll-padding-bottom:8rem}body{margin:0;min-height:100vh;background-color:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family-base)}.site-header{width:100%;display:flex;align-items:flex-end;padding:var(--space-md);background:transparent;border-bottom:.0625rem solid var(--color-border);box-sizing:border-box}.header-content{display:flex;align-items:center;justify-content:space-between;gap:var(--space-base);width:100%;max-width:var(--container-max-width);margin:0 auto}.site-name{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text-primary);letter-spacing:-.03125rem}.site-nav{display:flex;align-items:center;gap:var(--space-md);margin-left:auto;margin-right:0}.nav-link{color:var(--color-text-secondary);text-decoration:none;font-weight:600;transition:color .2s ease}.nav-link:hover,.nav-link.active{color:var(--color-accent)}.theme-toggle{width:2.25rem;height:2.25rem;flex:0 0 auto;border:.0625rem solid var(--color-border);border-radius:50%;background:var(--color-surface);color:var(--color-text-primary);font:inherit;font-size:1.25rem;line-height:1;cursor:pointer}.theme-toggle:hover{color:var(--color-accent);border-color:var(--color-accent)}.site-tagline{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:400}.lang-nav{display:flex;gap:.4rem}.lang-nav a,.lang-nav button{padding:.32rem .75rem;border:.0625rem solid var(--color-border);border-radius:.125rem;color:var(--color-text-secondary);background:var(--color-surface);text-decoration:none;font:inherit;font-size:.8125rem;font-weight:700;letter-spacing:.02em;cursor:pointer;transition:color .2s ease,border-color .2s ease}.lang-nav a:hover,.lang-nav button:hover{color:var(--color-accent);border-color:var(--color-accent)}.lang-nav a.active,.lang-nav button.active{color:#fff;background:var(--color-accent);border-color:var(--color-accent)}.footer-disclaimer{max-width:var(--container-max-width);text-align:center;font-size:var(--font-size-sm);line-height:1.5;color:var(--color-text-secondary)}.inline-link{color:var(--color-accent);text-decoration:none;font-weight:700;transition:opacity .2s ease}.inline-link:hover{opacity:.8;text-decoration:underline}