:root{--color-primary:#d4281c;--color-primary-dark:#b02015;--color-primary-light:#fce8e6;--color-accent:#ff6b35;--color-warning:#ffb627;--color-success:#2db97b;--color-danger:#e74c3c;--color-info:#3498db;--color-bg:#fff9f3;--color-surface:#fff;--color-surface-alt:#fdf6f0;--color-border:#f0e6dc;--color-border-strong:#e6d5c5;--color-text:#1a1a1a;--color-text-secondary:#4a4a4a;--color-muted-text:#8a8a8a;--gradient-warm:linear-gradient(135deg,#fff0e6,#ffe4d6);--gradient-primary:linear-gradient(135deg,#d4281c,#ff6b35);--gradient-gold:linear-gradient(135deg,#ffb627,#ff8c42);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--font-number:"SF Pro Display",-apple-system,"PingFang SC",sans-serif;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 4px 12px rgba(0,0,0,.08);--shadow-lg:0 8px 24px rgba(0,0,0,.1);--shadow-primary:0 4px 16px 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var(--color-border)}.header-inner{justify-content:space-between;height:68px}.brand,.header-inner{display:flex;align-items:center}.brand{gap:12px;text-decoration:none}.brand-logo{width:44px;height:44px;border-radius:12px;font-size:20px;box-shadow:var(--shadow-sm)}.brand-name{font-size:18px;font-weight:700;color:var(--color-text)}.main-nav{display:flex;gap:8px}.nav-link{padding:8px 16px;font-size:var(--fs-sm);color:var(--color-text-secondary);border-radius:var(--radius-sm);transition:all 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