:root{--paper: #f5f5f7;--paper-alt: #fafafa;--white: #fff;--ink: #1a1a1a;--ink-2: #48484a;--ink-3: #8e8e93;--blue: #0071e3;--blue-dark: #0058b8;--signal: #00a9ff;--mint: #d4f5ee;--peri: #dce4ff;--dark: #111;--dark-2: #1d1d1f;--dark-3: #2c2c2e;--hairline: rgba(0,0,0,.09);--hairline-light: rgba(255,255,255,.12);--shadow-sm: 0 2px 12px rgba(0,0,0,.06);--shadow-md: 0 4px 24px rgba(0,0,0,.09);--shadow-lg: 0 12px 48px rgba(0,0,0,.13);--r-btn: 8px;--r-card: 12px;--r-panel: 20px;--r-hero: 28px;--sp-8: 8px;--sp-12: 12px;--sp-16: 16px;--sp-20: 20px;--sp-24: 24px;--sp-32: 32px;--sp-40: 40px;--sp-48: 48px;--sp-64: 64px;--sp-96: 96px;--sp-128: 128px;--section-main: 96px;--section-top: clamp(120px, 14vw, 192px);--container: min(1140px, calc(100vw - 48px) );--font-display: "Lora", "Songti SC", "Noto Serif SC", Georgia, serif;--font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Source Han Sans CN", "PingFang SC", "Segoe UI", "Noto Sans SC", sans-serif;--font-mono: "SF Mono", "PT Mono", Menlo, 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