:root{--bg:#f4f8ff;--bg-soft:#f7fbff;--surface:rgba(255,255,255,0.96);--surface-soft:#f3f8ff;--surface-strong:#e7f1ff;--text:#153056;--text-muted:#69819f;--line:#d8e5f5;--line-strong:#c2d8f3;--primary:#2f7df6;--primary-strong:#1f63d8;--primary-soft:#dcecff;--success:#2f9965;--warning:#d67b1f;--danger:#cf5a5a;--shadow:0 18px 40px rgba(42,86,156,0.1);--shadow-soft:0 10px 24px rgba(36,79,145,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;overflow-x:hidden;color:var(--text);font-family:var(--font-body),"Segoe UI",Arial,sans-serif;background:linear-gradient(180deg,#f7fbff,#f3f8ff 42%,#f7fbff);transition:opacity .16s ease,transform .16s 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