:root{--color-accent: #0078d4;--color-accent-hover: #1a86d9;--color-accent-press: #006cbe;--color-accent-subtle: rgba(0, 120, 212, .14);--color-glow: rgba(0, 120, 212, .28);--color-bg-primary: #0d0d0d;--color-bg-secondary: #161616;--color-bg-tertiary: #1e1e1e;--color-bg-elevated: #1f1f1f;--color-bg-hover: #2a2a2a;--color-bg-active: #094771;--color-bg-swimlane-alt: #111111;--color-text-primary: #f3f3f3;--color-text-secondary: #c2c2c2;--color-text-tertiary: #8b8b8b;--color-text-inverse: #1e1e1e;--color-border: #3c3c3c;--color-border-light: #2b2b2b;--color-border-strong: #555555;--color-success: #4ec9b0;--color-warning: #dcdcaa;--color-error: #f48771;--color-info: #569cd6;--header-height: 56px;--max-width: 1280px;--max-width-narrow: 960px;--sidebar-width: 260px;--toc-width: 220px;--radius-sm: 2px;--radius-md: 4px;--radius-lg: 8px;--shadow-card: none;--shadow-header: 0 1px 0 rgba(255, 255, 255, .04);--shadow-elevated: 0 24px 64px rgba(0, 0, 0, .45);--transition-fast: .12s ease;--transition-normal: .22s ease;--font-sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "Cascadia Code", "JetBrains Mono", "Fira Code", Consolas, monospace;--fs-hero: clamp(2.75rem, 5.4vw, 4rem);--fs-h1: 2.125rem;--fs-h2: 1.75rem;--fs-h3: 1.25rem;--fs-body: 1rem;--fs-sm: .875rem;--fs-xs: .75rem;--fw-title: 600;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--section-pad-y: 104px}[data-theme=light]{--color-glow: rgba(0, 120, 212, .16);--color-bg-primary: #ffffff;--color-bg-secondary: #f8f8f8;--color-bg-tertiary: #f3f3f3;--color-bg-elevated: #ffffff;--color-bg-hover: #eaeaea;--color-bg-active: #e8f0fe;--color-bg-swimlane-alt: #f6f6f6;--color-text-primary: #1e1e1e;--color-text-secondary: #424242;--color-text-tertiary: #6e6e6e;--color-text-inverse: #ffffff;--color-border: #e5e5e5;--color-border-light: #eeeeee;--color-border-strong: #c8c8c8;--shadow-card: none;--shadow-header: 0 1px 0 rgba(0, 0, 0, .06);--shadow-elevated: 0 24px 64px rgba(0, 0, 0, .1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}h1,h2,h3,h4{font-weight:var(--fw-title);letter-spacing:-.03em}body{font-family:var(--font-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}ul,ol{list-style:none}img{max-width:100%;height:auto}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:inherit;font-size:inherit}code,pre{font-family:var(--font-mono)}.container{max-width:var(--max-width);margin:0 auto;padding:0 40px}.container-narrow{max-width:var(--max-width-narrow);margin:0 auto;padding:0 40px}.section{padding:var(--section-pad-y) 0}.section-title{font-size:var(--fs-h2);font-weight:var(--fw-title);letter-spacing:-.04em;margin-bottom:12px;color:var(--color-text-primary);line-height:1.2}.section-subtitle{font-size:1.125rem;line-height:1.65;color:var(--color-text-secondary);margin-bottom:40px;max-width:36rem}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-accent);margin-bottom:10px}.swimlane{padding:var(--section-pad-y) 0}.swimlane.alt{background:var(--color-bg-swimlane-alt)}.swimlane.elevated{background:var(--color-bg-secondary)}.card{background:var(--color-bg-elevated);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:24px;box-shadow:none;transition:border-color var(--transition-fast),transform var(--transition-fast)}.card:hover{border-color:var(--color-border-strong);transform:translateY(-1px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 18px;border-radius:var(--radius-md);font-size:var(--fs-sm);font-weight:600;line-height:1.2;border:1px solid transparent;transition:background var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast);white-space:nowrap;cursor:pointer;text-decoration:none}.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-hover);color:#fff}.btn-secondary{background:transparent;color:var(--color-text-primary);border-color:var(--color-border-strong)}.btn-secondary:hover{background:var(--color-bg-hover);border-color:var(--color-text-tertiary)}.btn-ghost{background:transparent;color:var(--color-accent)}.btn-ghost:hover{text-decoration:underline}.btn-lg{padding:14px 28px;font-size:15px;border-radius:var(--radius-md)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:var(--fs-xs);font-weight:600;background:var(--color-accent-subtle);color:var(--color-accent);border:1px solid transparent}.link-accent{color:var(--color-accent);text-decoration:none;font-weight:500}.link-accent:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.fade-enter-active,.fade-leave-active{transition:opacity var(--transition-normal)}.fade-enter-from,.fade-leave-to{opacity:0}.fade-in-init{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}.fade-in-visible{opacity:1;transform:translateY(0)}@media(max-width:768px){.container,.container-narrow{padding:0 20px}.section,.swimlane{padding:64px 0}:root{--section-pad-y: 64px}}