:root{--xy-color-primary:#0b63a8;--xy-color-accent:#ef6c42;--xy-color-text-primary:#1f2937;--xy-color-text-secondary:#606266;--xy-color-border:#dcdfe6;--xy-color-background:#f5f7fa;--xy-header-height:80px;--xy-content-width:1200px}*,:before,:after{box-sizing:border-box}html,body,#app{width:100%;min-width:320px;min-height:100%;margin:0}body{min-height:100vh;color:var(--xy-color-text-primary);background:#fff;font-family:Arial,Microsoft YaHei,sans-serif}h1,h2,h3,p,ul,ol{margin:0}ul,ol{padding:0;list-style:none}a{color:inherit;text-decoration:none}:where(a,button):focus-visible{outline:2px solid var(--xy-color-primary);outline-offset:3px}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}