:root{--primary: #1A6B50;--primary-light: rgba(26, 107, 80, .08);--primary-dark: #145A43;--text-primary: #1a2e28;--text-secondary: #5f706a;--text-muted: #8a9a94;--bg-page: #FFFFFF;--bg-alt: #F5F7F6;--bg-card: #FFFFFF;--bg-surface: #EDF0EE;--bg-hero: #F2F5F3;--bg-dark: #1E3530;--bg-dark-secondary: #253F3A;--border: #E5E7E6;--border-card: #ECEEED;--text-on-dark: rgba(255, 255, 255, .92);--text-on-dark-muted: rgba(255, 255, 255, .55)}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Noto Sans SC,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:0 24px}