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.reader-diary-body{-webkit-user-select:text;user-select:text}.reader-reading-mode .reader-paper{--reader-scale:min(calc((100vw - 40px) / 636px), calc((100vh - 36px) / 906px), 1);transform:scale(var(--reader-scale))}.reader-floating-ui{z-index:520;opacity:0;background:#fffffff0;border-bottom:1px solid #00000012;justify-content:space-between;align-items:center;width:100%;max-width:800px;height:62px;padding:0 18px;transition:transform .2s,opacity .2s;display:flex;position:fixed;top:0;left:50%;transform:translate(-50%,-100%)}.reader-floating-ui.visible{opacity:1;transform:translate(-50%)}.reader-floating-ui button{color:#555;cursor:pointer;background:0 0;border:none;width:42px;height:42px;padding:0;font-size:22px}.reader-floating-ui span{color:#666;white-space:nowrap;text-overflow:ellipsis;max-width:65%;font-size:13px;overflow:hidden}.reader-book-page-number{color:#c0bdb6;white-space:nowrap;font-size:10px;position:absolute;bottom:22px;left:50%;transform:translate(-50%)}.book-pdf-renderer .reader-paper{box-shadow:none;transform:none}@media (width<=500px){.reader-cover-page{padding:60px 18px 30px}.reader-cover{width:min(72vw,270px,70.1987vh - 101.788px)}.reader-toc{padding-left:24px;padding-right:24px}.toc-month-diaries{padding-left:20px}.toc-diary{gap:14px}.reader-reading-mode .reader-paper{--reader-scale:min(calc((100vw - 16px) / 636px), calc((100vh - 20px) / 906px), 1)}}.support-page{padding:24px 24px 110px}.support-intro{color:#777;margin:0 0 24px;line-height:1.8}.support-card{border:1px solid #e5e5e5;border-radius:12px;margin-bottom:20px;padding:22px}.support-card h2{margin:0 0 14px;font-size:18px;font-weight:500}.support-card h3{font-size:16px;font-weight:500}.support-card p{color:#666;font-size:14px;line-height:1.8}.support-card button{color:#444;background:#fafafa;border:1px solid #ccc;border-radius:8px;min-height:44px;padding:10px 16px}.support-card button:disabled{opacity:.5;cursor:default}.support-notice{background:#fff7e6;border-radius:8px;padding:12px}.support-preview{border-top:1px solid #eee;margin-top:20px;padding-top:12px}.support-filename,.support-message,.support-error{overflow-wrap:anywhere}.support-confirm{align-items:flex-start;gap:8px;margin:18px 0;font-size:14px;line-height:1.7;display:flex}.support-confirm input{flex-shrink:0;margin-top:5px}.support-actions{flex-wrap:wrap;gap:10px;display:flex}.support-message{background:#f0f6ef;border-radius:8px;padding:14px;line-height:1.8}.support-error{color:#a33;background:#fff0ed;border-radius:8px;padding:14px;line-height:1.8}@media (width<=500px){.support-page{padding:22px 18px 110px}.support-card{padding:18px}}