:root{--bg0: #f8fafc;--bg1: #eef2f7;--panel: #ffffff;--panel-2: #f1f5f9;--ink: #0f172a;--muted: #64748b;--accent: #4f46e5;--accent-2: #0ea5e9;--accent-3: #14b8a6;--line: rgba(15, 23, 42, .1);--danger: #dc2626;--shadow: 0 8px 24px rgba(15, 23, 42, .08);--topbar-h: 48px;--sidebar-w: 196px;--sidebar-w-collapsed: 56px;--radius: 8px;--radius-sm: 6px;--font-display: "Inter", "Noto Sans SC", "PingFang SC", system-ui, sans-serif;--font-body: "Inter", "Noto Sans SC", "PingFang SC", system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;color:var(--ink);font-family:var(--font-body);background:linear-gradient(180deg,var(--bg0) 0%,var(--bg1) 100%)}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit}.shell{height:100%;display:flex;flex-direction:column}.topbar{height:var(--topbar-h);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 14px;border-bottom:1px solid 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var(--line)}.link-btn{display:inline-block;text-decoration:none;text-align:center}.break{word-break:break-all}.ghost{padding:6px 12px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}.ghost.danger{color:var(--danger)}.table{display:grid;gap:8px;margin-bottom:28px}.table-row{display:flex;justify-content:space-between;gap:12px;padding:14px 12px;border:1px solid var(--line);background:#ffffff08}.row-actions{display:flex;gap:8px;align-items:center}.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:8px}.login-brand strong{display:block;font-family:var(--font-display);font-size:1.5rem;letter-spacing:.06em}.login-brand span{display:block;color:var(--muted);font-size:.88rem;margin-top:2px}.login-panel{width:min(420px,100%);margin:40px auto;padding:24px;border:1px solid var(--line);background:#ffffff08}.steps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.step-chip{padding:6px 10px;color:var(--muted);border:1px solid var(--line);font-size:.82rem}.step-chip.active{color:var(--bg0);background:var(--accent);border-color:transparent}@media(max-width:860px){.sidebar{position:absolute;z-index:20;height:calc(100% - var(--topbar-h));box-shadow:8px 0 24px #00000059}.shell.is-collapsed .sidebar{width:0;padding:0;border:0;overflow:hidden}.template-row,.table-row{flex-direction:column}}.style-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}.style-card{text-align:left;display:flex;flex-direction:column;gap:6px;padding:12px;border:1px solid var(--line);background:transparent;color:inherit;cursor:pointer}.style-card span{color:var(--muted);font-size:.82rem}.style-card.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field.checkbox{display:flex;align-items:center;gap:8px}.scene-edit{border:1px solid 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brightness(.92)}.book-card.is-locked:hover{transform:translateY(-2px)}.book-cover{aspect-ratio:3/4;border-radius:var(--radius-sm);background:linear-gradient(160deg,#e2e8f0,#cbd5e1);display:grid;place-items:center;overflow:hidden;margin-bottom:10px;font-family:var(--font-display);font-size:1.75rem;font-weight:600;color:#475569;position:relative}.book-free-badge,.book-lock-badge{position:absolute;top:8px;left:8px;padding:2px 8px;border-radius:999px;font-size:.72rem;font-weight:700;font-family:var(--font-body);line-height:1.4}.book-free-badge{background:#fffffff0;color:#0f766e;border:1px solid rgba(20,184,166,.35)}.book-lock-badge{background:#0f172ac7;color:#fff}.modal-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:#0f172a66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-card{width:min(420px,100%);padding:24px;border-radius:var(--radius);background:var(--panel);border:2px solid var(--line);box-shadow:var(--shadow)}.modal-card h3{font-family:var(--font-display);margin-bottom:10px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.book-cover img{width:100%;height:100%;object-fit:cover}.book-meta strong{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;word-break:break-word;font-size:.9rem;line-height:1.3;min-height:2.6em}.reader-chip{position:relative;z-index:1;padding:8px 14px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:#0f172a8c;color:#fff;font-size:.88rem;font-weight:600;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 4px 16px #00000040;transition:background .14s ease,transform .14s ease;flex:0 0 auto;white-space:nowrap}.reader-chip:hover{background:#0f172ac7;transform:translateY(-1px)}.series-block{margin-bottom:6px;padding:0;border:1px solid var(--line);border-radius:var(--radius-sm);background:#ffffffb8;overflow:hidden}.series-block.depth-1{border-color:#4f46e538}.series-block.depth-2,.series-block.depth-3{margin:8px 0 0;border-color:var(--line);background:#f8fafce6}.series-head{display:flex;align-items:center;gap:8px;width:100%;padding:9px 12px;text-align:left;color:var(--ink);background:transparent;border:0;font-family:var(--font-display);font-size:.94rem;font-weight:600}.series-head:not(:disabled):hover{background:#4f46e50f}.series-head:disabled{cursor:default}.series-chevron{width:14px;flex-shrink:0;color:var(--muted);font-size:.85rem;line-height:1}.series-chevron.placeholder{visibility:hidden}.series-name{flex:1;min-width:0}.series-count{font-size:.82rem;font-weight:400;font-family:var(--font-body)}.series-desc{margin:0;padding:0 14px 10px 36px;font-size:.88rem}.series-children{padding:0 8px 8px 16px}.series-block .book-grid{margin:0 8px 8px}.series-tree{display:grid;gap:6px}.series-head-row{display:flex;align-items:stretch;gap:6px}.series-rename-row{display:flex;align-items:center;gap:8px;flex:1;min-width:0;padding:6px 8px}.series-rename-row input,.series-head-row .series-head{flex:1;min-width:0}.series-delete{flex-shrink:0;align-self:center;margin-right:8px;padding:4px 10px;font-size:.82rem}.cascade-select{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.cascade-select select{width:100%;padding:7px 10px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}.cascade-select select:disabled{opacity:.55;cursor:not-allowed}.upload-panel{padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#ffffffb8}.upload-actions{flex-wrap:wrap;align-items:center}.select-folder-btn{min-width:72px}.upload-confirm-row{margin-top:4px;padding-top:10px;border-top:1px solid var(--line)}.folder-selection-box{padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#f8fafcf2;display:grid;gap:8px}.folder-selection-row{display:grid;grid-template-columns:72px 1fr;gap:10px;align-items:start;font-size:.9rem}.folder-selection-label{color:var(--muted);flex-shrink:0}.folder-selection-path{word-break:break-all;font-size:.88rem;background:#fff;padding:2px 6px;border-radius:4px;border:1px solid var(--line)}.folder-selection-tip{margin:0}@media(max-width:720px){.cascade-select{grid-template-columns:1fr}}.admin-series-tree{margin-top:4px}.series-block.is-expanded>.series-head{border-bottom:1px solid var(--line)}.plan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.subscribe-intro{margin-bottom:16px}.subscribe-intro h2{margin:0 0 6px;font-family:var(--font-display);font-size:1.35rem}.subscribe-intro p{margin:0}.plan-card,.pay-box{border:1px solid var(--line);background:var(--panel);padding:16px;border-radius:var(--radius);box-shadow:0 4px 14px #0f172a0d}.plan-card{display:flex;flex-direction:column;gap:8px;transition:border-color .14s ease,box-shadow .14s ease}.plan-card.is-active{border-color:#4f46e573;box-shadow:0 8px 24px #4f46e51f}.plan-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.plan-duration{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-sm);background:#0ea5e91f;color:#0369a1;font-size:.78rem;font-weight:700}.plan-scope{color:var(--muted);font-size:.78rem}.plan-name{margin:0;font-family:var(--font-display);font-size:1.05rem;line-height:1.35}.plan-desc{margin:0;font-size:.88rem;line-height:1.45;min-height:2.6em}.plan-price-row{margin-top:4px}.price{font-size:1.65rem;font-family:var(--font-display);font-weight:700;color:#0f172a;letter-spacing:-.02em}.plan-buy{margin-top:auto;width:100%;min-height:42px}.pay-box{margin-top:24px;max-width:320px}.pay-modal{width:min(400px,100%);text-align:center}.pay-modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;text-align:left}.pay-modal-head h3{margin:0;font-family:var(--font-display)}.pay-modal-plan{margin:4px 0 0;color:var(--muted);font-size:.92rem}.pay-modal-amount{margin:8px 0 16px;display:inline-block}.pay-qr-wrap{display:grid;place-items:center;margin:0 auto 12px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);width:fit-content}.pay-modal .qr{width:200px;height:200px;margin:0;padding:0}.pay-modal-tip{margin:0 0 8px}.pay-modal .primary,.pay-modal .ghost{width:100%;min-height:42px;margin-top:8px}.pay-box.in-card{margin-top:12px;max-width:none;padding:12px;background:var(--panel-2);box-shadow:none}.pay-box-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.pay-box-head h4{margin:0;font-size:.95rem}.small-btn{padding:4px 10px;font-size:.82rem}.qr{width:220px;height:220px;background:#fff;padding:8px;display:block;margin:0 auto}.reader-page{position:relative;height:100%;height:100dvh;max-height:100dvh;overflow:hidden;background:#000}.reader-page.is-fake-landscape{position:fixed;z-index:1000;margin:0;max-height:none;transform:rotate(90deg);transform-origin:top 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.reader-land-cta{pointer-events:auto}.reader-rotate-hint{position:static;left:auto;bottom:auto;transform:none;margin:0;padding:8px 14px;border-radius:999px;background:#0f172ab8;color:#e2e8f0;font-size:.82rem;pointer-events:none;white-space:nowrap}.reader-rotate-hint-land{position:absolute;left:50%;bottom:max(16px,env(safe-area-inset-bottom));z-index:2;transform:translate(-50%)}.reader-page.is-landscape .reader-rotate-hint-wrap{display:none}.reader-frame{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000;z-index:0}.reader-loading{position:absolute;inset:0;z-index:1;display:grid;place-items:center;margin:0;color:#94a3b8}.reader-chrome-hit{position:absolute;top:0;left:0;right:0;z-index:2;height:max(28px,calc(12px + env(safe-area-inset-top)));border:0;padding:0;background:transparent;cursor:pointer}.reader-bar{position:absolute;top:0;left:0;right:0;z-index:3;display:flex;align-items:center;gap:10px;padding:max(6px,env(safe-area-inset-top)) 10px 8px;color:#fff;background:linear-gradient(to bottom,rgba(0,0,0,.55) 0%,rgba(0,0,0,.2) 65%,transparent 100%);transform:translateY(-110%);opacity:0;pointer-events:none;transition:transform .2s ease,opacity .2s ease}.reader-bar.is-visible{transform:translateY(0);opacity:1;pointer-events:auto}.reader-bar-actions{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:8px;flex-shrink:0}.reader-error{position:absolute;left:12px;right:12px;top:max(48px,calc(40px + env(safe-area-inset-top)));z-index:4}.reader-next{display:none}.reader-page.is-landscape .reader-bar{left:max(6px,env(safe-area-inset-left));right:auto;width:max-content;max-width:calc(100vw - 100px);padding:6px 0 0;background:none;z-index:5}.reader-page.is-landscape .reader-bar-actions{gap:6px}.reader-page.is-landscape .reader-chip{padding:5px 10px;font-size:.78rem;background:#0f172ab8}.reader-page.is-landscape .reader-chip-fs{margin-left:0}.reader-page.is-landscape .reader-error{left:8px;right:8px;top:40px}@media(min-width:721px){.reader-chrome-hit{display:none}.reader-page.is-chrome-on .reader-bar{transform:none;opacity:1;pointer-events:auto}}.mobile-tabbar{display:none}.desktop-only{display:inline}.sidebar-desktop-only{display:flex;flex-direction:column}@media(max-width:720px){:root{--topbar-h: 42px}.shell-mobile-tabs .sidebar-desktop-only,.shell-mobile-tabs .desktop-only{display:none}.shell-mobile-tabs .workspace{padding:8px 10px calc(58px + env(safe-area-inset-bottom))}.shell-mobile-tabs .topbar{padding-left:max(10px,env(safe-area-inset-left));padding-right:max(10px,env(safe-area-inset-right))}.shell-mobile-tabs .topbar-brand{gap:6px}.shell-mobile-tabs .topbar-brand strong{font-size:1.02rem}.shell-mobile-tabs .topbar-user{max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.8rem}.shell-mobile-tabs .mobile-tabbar{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:0;position:sticky;bottom:0;z-index:30;flex-shrink:0;padding:4px 6px calc(4px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fffffff5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.mobile-tab{min-height:40px;border:0;background:transparent;color:var(--muted);font-size:.78rem;font-weight:600;border-radius:var(--radius-sm)}.mobile-tab.active{color:var(--accent);background:#4f46e514}.section h2{margin:0 0 6px;font-size:.95rem}.section h3{margin:10px 0 6px;font-size:.88rem}.section>.muted{margin:0 0 8px;font-size:.8rem;line-height:1.4}.banner{padding:6px 10px;margin-bottom:8px;font-size:.82rem}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;margin:4px 0 8px}.book-card{padding:4px;border-radius:6px;box-shadow:none}.book-card:hover{transform:none;box-shadow:none}.book-cover{aspect-ratio:3 / 3.4;margin-bottom:4px;border-radius:4px;font-size:1.2rem}.book-free-badge,.book-lock-badge{top:4px;left:4px;padding:1px 5px;font-size:.62rem}.book-meta span.muted{display:none}.book-card h4,.book-card .book-title,.book-meta strong{font-size:.7rem;line-height:1.25;min-height:0;-webkit-line-clamp:2}.series-block .book-grid{margin-top:4px}.subscribe-section{display:grid;gap:8px}.subscribe-intro{margin-bottom:4px}.subscribe-intro h2{margin:0 0 2px;font-size:1.05rem}.subscribe-intro p{font-size:.8rem;line-height:1.35}.plan-grid{grid-template-columns:1fr;gap:8px}.plan-card{padding:10px 12px;gap:4px;box-shadow:none}.plan-duration,.plan-scope{font-size:.72rem}.plan-name{font-size:.95rem;line-height:1.25}.plan-desc{font-size:.78rem;line-height:1.35;min-height:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.plan-price-row{margin-top:2px}.price{font-size:1.28rem}.plan-buy{min-height:38px;margin-top:6px;padding:8px 12px;font-size:.9rem}.plan-card 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span{font-size:12px}.admin-user-meta{font-size:13px}.admin-book-row{align-items:flex-start}.admin-book-check{margin:0;flex-shrink:0;padding-top:2px}.admin-book-main{flex:1;min-width:0;display:grid;gap:2px}.book-batch-toolbar{flex-wrap:wrap;align-items:center;gap:10px}.row-actions{display:flex;gap:8px;flex-shrink:0;align-items:center}.file-btn{display:inline-flex;align-items:center;padding:8px 14px;border:2px dashed var(--accent);border-radius:var(--radius-sm);background:#ffffffe6;color:var(--accent);font-weight:600;cursor:pointer}.file-btn.disabled{opacity:.65;cursor:wait;pointer-events:none}.upload-progress{padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}.upload-progress p{margin:0 0 8px;font-size:.92rem}.upload-progress progress{width:100%;height:8px;accent-color:var(--accent)}.banner.success{border-color:var(--accent);color:var(--accent)}button.danger{color:var(--danger)}