:root{--color-primary: #1A3C34;--color-primary-light: #2C5E52;--color-accent: #C5A065;--color-accent-light: #E6C895;--color-bg-body: #F9F8F6;--color-bg-card: #FFFFFF;--color-bg-sider: #142824;--color-text-main: #1C1C1C;--color-text-secondary: #666666;--color-text-light: #F5F5F5;--font-family-serif: "Georgia", "Times New Roman", serif;--font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--border-radius-base: 12px;--shadow-card: 0 4px 20px rgba(0, 0, 0, .05);--sidebar-width: 280px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-sans);background-color:var(--color-bg-body);color:var(--color-text-main);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-serif);color:var(--color-primary);margin-bottom:.5em;font-weight:600}.text-serif{font-family:var(--font-family-serif)}.text-primary{color:var(--color-primary)}.text-accent{color:var(--color-accent)}.card-premium{background:var(--color-bg-card);border-radius:var(--border-radius-base);box-shadow:var(--shadow-card);border:1px solid rgba(0,0,0,.03);padding:24px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#999}