:root{--color-page: #faf8f5;--color-ink-strong: #261913;--color-ink: #3a2b24;--color-muted: #8b7a70;--color-border: #eadfd6;--color-border-strong: #d6c6ba;--color-warm-panel: #f2ebe5;--color-brown: #946f58;--radius-sm: 8px;--radius-md: 10px;--radius-lg: 14px;--shadow-soft: 0 18px 48px rgb(70 42 22 / .06)}*{box-sizing:border-box}html{min-width:320px;background:var(--color-page);color:var(--color-ink);font-family:Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,Arial,sans-serif;font-size:16px;line-height:1.5}::selection{background:#946f583d}body{min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}#root{min-height:100vh}.app-shell{display:grid;min-height:100vh;grid-template-columns:286px minmax(0,1fr);background:radial-gradient(circle at top left,rgb(152 116 90 / .08),transparent 340px),var(--color-page)}.app-main{min-width:0;border-left:1px solid 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