:root{--brand: #da282a;--brand-hover: #c22426;--brand-light: #fdeeec;--bg: #f7f7f9;--card: #ffffff;--border: #e7e7ea;--text-1: #48494c;--text-2: #6f7174;--text-3: #acaeb3;--nav-height: 56px;--content-width: 1080px;--radius: 12px;--shadow: 0 2px 12px rgba(0, 0, 0, .05);--shadow-hover: 0 8px 24px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text-1);background-color:var(--bg)}a{color:inherit}#app{width:100vw;min-height:100vh}