:root{--color-bg: #fafbff;--color-bg-soft: #f3f4fb;--color-surface: #ffffff;--color-surface-2: #f7f8fc;--color-border: #e3e6ef;--color-border-strong: #c9cfde;--color-text: #0f1023;--color-text-soft: #404560;--color-text-muted: #697586;--color-text-inverse: #ffffff;--color-brand-50: #eef0ff;--color-brand-100: #dee1ff;--color-brand-200: #c0c5ff;--color-brand-400: #6f6bf2;--color-brand-500: #4a47e0;--color-brand-600: #3a36c8;--color-brand-700: #2c299a;--color-accent-500: #7c3aed;--color-accent-600: #6d28d9;--color-up: #ff4d4f;--color-up-soft: #ffe7e7;--color-down: #16a34a;--color-down-soft: #e7f7ec;--color-warning: #ff8a00;--gradient-brand: linear-gradient(135deg, #3a36c8 0%, #7c3aed 100%);--gradient-hero: linear-gradient(180deg, #f4f3ff 0%, #fafbff 60%);--gradient-card-hover: linear-gradient(135deg, #4a47e0 0%, #7c3aed 100%);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 96px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(15, 16, 35, .04), 0 1px 1px rgba(15, 16, 35, .03);--shadow-md: 0 4px 14px rgba(58, 54, 200, .08), 0 1px 4px rgba(15, 16, 35, .04);--shadow-lg: 0 24px 48px -16px rgba(58, 54, 200, .18), 0 8px 16px rgba(15, 16, 35, .06);--shadow-popup: 0 30px 60px -10px rgba(58, 54, 200, .25), 0 12px 24px rgba(15, 16, 35, .08);--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--text-xs: 12px;--text-sm: 13px;--text-base: 14px;--text-md: 15px;--text-lg: 17px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 32px;--text-4xl: 44px;--text-5xl: 56px;--leading-tight: 1.2;--leading-snug: 1.35;--leading-normal: 1.6;--leading-loose: 1.8;--container: 1120px;--container-narrow: 880px;--container-wide: 1280px;--ease: cubic-bezier(.4, 0, .2, 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var(--space-5)}.container--narrow{max-width:var(--container-narrow)}.container--wide{max-width:var(--container-wide)}.section{padding:var(--space-9) 0}.section--tight{padding:var(--space-7) 0}.section--alt{background:var(--color-bg-soft)}.section--dark{background:var(--color-text);color:var(--color-text-inverse)}.eyebrow{display:inline-block;font-size:var(--text-xs);font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--color-brand-600);background:var(--color-brand-50);padding:4px 10px;border-radius:var(--radius-pill)}.section__title{font-size:var(--text-3xl);font-weight:700;line-height:var(--leading-tight);letter-spacing:-.01em;margin:var(--space-4) 0 var(--space-3)}.section__lead{font-size:var(--text-md);color:var(--color-text-muted);max-width:640px;margin:0 0 var(--space-7)}.section__head{text-align:center;margin:0 auto var(--space-7);max-width:720px}.section__head 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