:root{--color-text:#263238;--color-text-muted:#65737c;--color-primary:#4a608b;--color-primary-dark:#354b73;--color-primary-light:#eef2f7;--color-background:#f7f8fa;--color-surface:#fff;--color-border:#e2e6ea;--shadow-sm:0 2px 10px rgb(30 45 60/7%);--shadow-md:0 8px 30px rgb(30 45 60/9%);--radius-sm:6px;--radius-md:12px;--content-width:900px;--page-width:1200px}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body,html{overflow-x:clip}body{background:var(--color-background);color:var(--color-text);display:flex;flex-direction:column;font-family:Montserrat,Arial,sans-serif;font-size:16px;line-height:1.7;margin:0;min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-dark)}button,input,select,textarea{font:inherit}button{color:inherit}img{max-width:100%}