:root{--bg:#f6f0dc;--deep:#e6dcc0;--paper:#fbf7ea;--soft:#efe6ce;--ink:#18140a;--text:#2a2414;--muted:#5a4e30;--gold:#6e5418;--honey:#c9a03a;--line:rgba(24,20,10,.12);--focus:rgba(110,84,24,.5);--shadow:0 12px 28px rgba(24,20,10,.08);--r:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{max-width:960px;margin:0 auto;padding-left:16px;padding-right:16px}.top-strip{position:fixed;z-index:50;top:0;left:0;right:0;height:20px;background:var(--ink);color:var(--honey);font-size:12px}.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.plain-btn{border:0;background:none;color:var(--honey);height:20px;padding:0 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