:root{--ink:#111;--paper:#fff;--soft:#f4f3f0;--line:#e3e1dc;--mut:#6f6d68;--acc:#111;--safe-b:env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;overflow:hidden;background:var(--paper);color:var(--ink);font-family:Helvetica Neue,Helvetica,Arial,PingFang TC,Hiragino Sans,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}img{display:block;max-width:100%}h1{font-size:26px;font-weight:700;letter-spacing:.01em;margin:22px 20px 6px}h2{font-size:20px;font-weight:700;margin:6px 0 16px}.sub{color:var(--mut);font-size:14px;margin:0 20px 18px;line-height:1.5}#app{height:100vh;height:100dvh;display:flex;flex-direction:column}.scroll{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain}.scroll.locked{overflow:hidden}main{padding-bottom:24px}.pad{padding:16px 20px 110px}.pad .sub{margin:12px 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