:root{--bg-primary: #1b1c1e;--bg-secondary: #232428;--bg-tertiary: #2b2c30;--bg-inset: #161619;--bg-stage: #121316;--text-primary: #e4e5e7;--text-secondary: #9a9b9e;--text-muted: #6b6c70;--accent: #9aa3ad;--accent-hover: #c4ccd4;--accent-on-dark: #1b1c1e;--border: #35363a;--success: #3fb950;--warning: #d29922;--error: #f85149;--step-accent: var(--accent);--step-active: var(--warning);--step-done: var(--success);--radius-sm: 3px;--radius-md: 5px;--radius-lg: 8px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 48px;--spacing-2xl: clamp(64px, 10vw, 112px);--font-sans: "Alibaba PuHuiTi", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;--text-display: clamp(2.25rem, 5vw, 3.5rem);--text-section: clamp(1.5rem, 2.8vw, 2rem);--shadow-outline: 0 0 0 1px color-mix(in srgb, var(--border) 80%, transparent);--shadow-cine: 0 32px 64px rgba(0, 0, 0, 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var(--transition),opacity var(--transition)}.site-header__menu-icon[data-astro-cid-3ef6ksr2]:before,.site-header__menu-icon[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;left:0}.site-header__menu-icon[data-astro-cid-3ef6ksr2]:before{top:-6px}.site-header__menu-icon[data-astro-cid-3ef6ksr2]:after{top:6px}.site-header__menu[data-astro-cid-3ef6ksr2][open] .site-header__menu-icon[data-astro-cid-3ef6ksr2]{background:transparent}.site-header__menu[data-astro-cid-3ef6ksr2][open] .site-header__menu-icon[data-astro-cid-3ef6ksr2]:before{top:0;transform:rotate(45deg)}.site-header__menu[data-astro-cid-3ef6ksr2][open] .site-header__menu-icon[data-astro-cid-3ef6ksr2]:after{top:0;transform:rotate(-45deg)}.site-header__nav--mobile[data-astro-cid-3ef6ksr2]{position:absolute;top:calc(100% + 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