:root{--paper: #fffcf7;--page: #f7f4ee;--page-side: #f1ede5;--text: #1c1917;--text-2: #57534e;--text-3: #8a847c;--border: rgba(28, 25, 23, .1);--separator: rgba(28, 25, 23, .06);--grey: #efebe3;--red: #c23b2e;--green: #5a8f6b;--orange: #c48a3a;--shadow-sm: 0 1px 2px rgba(28, 25, 23, .04), 0 8px 24px rgba(28, 25, 23, .045);--shadow-md: 0 8px 28px rgba(28, 25, 23, .08);--radius: 12px;--radius-sm: 8px;--max-width: 1120px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--page);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3}h1{font-size:26px}h2{font-size:20px}h3{font-size:17px}p{margin:0 0 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