:root{--brand-primary: #C8102E;--brand-primary-light: #E63946;--brand-primary-bg: #FCEBEB;--brand-black: #1F1F1F;--brand-gold: #D4A24C;--text-primary: #1F1F1F;--text-secondary: #666666;--text-tertiary: #999999;--bg-page: #F5F6F8;--bg-card: #FFFFFF;--line: #EBEDF0;--success: #07C160;--warning: #FA9D3B;--danger: #FA5151;--disabled: #C8C9CC;--fs-title: 17px;--fs-h1: 16px;--fs-body: 14px;--fs-caption: 12px;--fs-tag: 11px;--fs-number: 22px;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--radius-card: 8px;--radius-btn: 20px;--radius-input: 6px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg-page);color:var(--text-primary);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}#app{max-width:640px;margin:0 auto}a{color:inherit;text-decoration:none}