:root{--bg:#E4E8EA;--deep:#C8D0D4;--paper:#F2F5F6;--soft:#D6DDE0;--ink:#1E2A2E;--text:#2E3C42;--muted:#5A6A70;--quiet:#7A8A90;--teal:#5A7A80;--steel:#6A8890;--copper:#B88860;--line:rgba(30,42,46,.12);--focus:rgba(90,122,128,.48);--shadow:0 12px 28px rgba(30,42,46,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}.top-ribbon{position:fixed;z-index:90;top:0;left:0;right:0;height:20px;background:var(--teal);color:var(--paper);font-size:12px}.ribbon-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-action{border:0;background:transparent;color:inherit;padding:0 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.fold-more{margin-top:14px}.status-notes{margin-top:16px}