:root{--rust: #c2410c;--rust-deep: #9a3412;--orange: #f97316;--peach: #fdba74;--cream: #fff7ed;--white: #ffffff;--ink: #1c1917;--muted: #8a5a44;--faint: #b89684;--line: rgba(194, 65, 12, .14);--line-soft: rgba(194, 65, 12, .08);--danger: #9f1239;--danger-bg: #ffe4e6;--r-card: 16px;--r-button: 10px;--r-input: 8px;--r-cell: 6px;--r-pill: 999px;--shadow: 0 1px 2px rgba(194, 65, 12, .06), 0 8px 24px rgba(194, 65, 12, .06);--side: 232px;color:var(--ink);background:var(--cream);font:14px/1.5 PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--cream)}a{color:var(--rust);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}h1{margin:0;font-size:24px;line-height:1.3;font-weight:700;color:var(--rust)}h2{margin:0;font-size:15px;font-weight:650;color:var(--rust)}.icon{flex:none}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 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