:root{color:var(--tg-theme-text-color,#111);background:var(--tg-theme-bg-color,#fff);font-family:-apple-system,BlinkMacSystemFont,PingFang TC,Noto Sans TC,sans-serif}body{margin:0}main{max-width:480px;margin:0 auto;padding:16px}h1{margin:4px 0 16px;font-size:18px}h2{margin:0 0 8px;font-size:17px}p{margin:6px 0;line-height:1.5}code{word-break:break-all;font-size:13px}.muted{color:var(--tg-theme-hint-color,#888);font-size:13px}.card{background:var(--tg-theme-secondary-bg-color,#f4f5f7);border-radius:12px;margin-bottom:12px;padding:14px}.card.danger{border:2px solid #e5484d}.row{gap:8px;margin-top:12px;display:flex}button{color:#111;background:#e8e8ed;border:none;border-radius:10px;flex:1;padding:12px;font-size:15px}button.primary{background:var(--tg-theme-button-color,#1652f0);color:var(--tg-theme-button-text-color,#fff)}button.danger{color:#fff;background:#e5484d}button:disabled{opacity:.4}footer{margin-top:24px}