:root{--paper:#F6F1EA;--paper2:#EFE6DA;--card:#FFFCF7;--ink:#161410;--text:#2A2622;--muted:#5C564E;--soft:#7A746C;--orange:#FF7A1A;--deep:#C85A00;--line:rgba(22,20,16,.14);--shadow:0 14px 36px rgba(22,20,16,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.top-shell{position:fixed;z-index:50;top:0;left:0;right:0}.ink-line{height:10px;background:var(--ink);color:var(--orange);font-size:10px;line-height:10px}.top-inner,.wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}.ink-line 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