:root{--color-primary-50: #fff8f0;--color-primary-100: #ffeed8;--color-primary-200: #ffd9b0;--color-primary-300: #ffbe78;--color-primary-400: #ff9a40;--color-primary-500: #f97316;--color-primary-600: #e85d0e;--color-primary-700: #c44a0c;--color-primary-800: #9a3a0c;--color-primary-900: #7c3210;--color-secondary-50: #f0f9ff;--color-secondary-100: #e0f2fe;--color-secondary-200: #bae6fd;--color-secondary-300: #7dd3fc;--color-secondary-400: #38bdf8;--color-secondary-500: #0ea5e9;--color-secondary-600: #0284c7;--color-secondary-700: #0369a1;--color-accent-50: #fefce8;--color-accent-100: #fef9c3;--color-accent-400: #facc15;--color-accent-500: #eab308;--color-accent-600: #ca8a04;--color-success-500: #22c55e;--color-warning-500: #f59e0b;--color-error-500: #ef4444;--color-neutral-50: #fafafa;--color-neutral-100: #f5f5f5;--color-neutral-200: #e5e5e5;--color-neutral-300: #d4d4d4;--color-neutral-400: #a3a3a3;--color-neutral-500: #737373;--color-neutral-600: #525252;--color-neutral-700: #404040;--color-neutral-800: #262626;--color-neutral-900: #171717;--color-bg: #fdfbf8;--color-surface: #ffffff;--color-text: #1a1a1a;--color-text-secondary: #525252;--color-text-muted: #737373;--color-border: #e8e4dd;--font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;--spacing-1: 4px;--spacing-2: 8px;--spacing-3: 12px;--spacing-4: 16px;--spacing-5: 20px;--spacing-6: 24px;--spacing-8: 32px;--spacing-10: 40px;--spacing-12: 48px;--spacing-16: 64px;--spacing-20: 80px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--shadow-lg: 0 10px 30px rgba(0,0,0,.1);--transition: .2s ease;--max-width: 1200px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-primary-600);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-primary-700)}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-6)}@media (max-width: 768px){.container{padding:0 var(--spacing-4)}}