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12px;font-size:11px;font-weight:600}.bk-upload{flex-wrap:wrap;align-items:center;gap:6px 10px;padding:2px 2px 4px;display:flex}.bk-upload-input{display:none}.bk-upload-btn{border:1px dashed var(--color-line-2);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-ink-2);cursor:pointer;padding:7px 14px;font-size:12px;font-weight:600}.bk-upload-btn:disabled{opacity:.6;cursor:default}.bk-upload-limit{color:var(--color-ink-3);font-size:10px}.bk-upload-status{color:var(--color-ink-3);flex-basis:100%;margin:0;font-size:11px;line-height:1.55}.bk-tab:focus-visible,.bk-subtab:focus-visible,.bk-action:focus-visible,.bk-swipe-btn:focus-visible,.bk-confirm-btn:focus-visible,.bk-confirm-cancel:focus-visible,.bk-upload-btn:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}.br-reader{background:var(--color-surface);flex-direction:column;min-height:100%;display:flex}.br-head{padding:14px 20px 0}.br-title{color:var(--color-ink);margin:0;font-size:22px;font-weight:700;line-height:1.3}.br-count{color:var(--color-ink-3);margin:6px 0 0;font-size:11px}.br-nav{flex:none}.br-chapters{border-bottom:1px solid var(--color-line);gap:6px;margin:10px 0 0;padding:0 16px 10px;list-style:none;display:flex;overflow-x:auto}.br-chapters li{flex:none}.br-chapter{text-overflow:ellipsis;white-space:nowrap;border:1px solid var(--color-line);border-radius:var(--radius-pill);background:var(--color-surface);max-width:180px;color:var(--color-ink-3);cursor:pointer;padding:6px 12px;font-size:12px;font-weight:600;overflow:hidden}.br-chapter-on{border-color:var(--color-brand);background:var(--color-brand);color:#fff}.br-chapter:focus-visible,.br-retry:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}.br-body{flex:1;min-height:0}.br-status{text-align:center;padding:48px 24px}.br-status-title{color:var(--color-ink);margin:0;font-size:16px;font-weight:700}.br-status-body{max-width:290px;color:var(--color-ink-3);margin:8px auto 0;font-size:12px;line-height:1.7}.br-retry{border-radius:var(--radius-pill);background:var(--color-brand);color:#fff;cursor:pointer;border:0;margin-top:16px;padding:9px 18px;font-size:13px;font-weight:600}.br-retry:hover{background:var(--color-brand-deep)}.br-empty{color:var(--color-ink-3);margin:0;padding:24px 20px;font-size:12px;line-height:1.7}.br-truncated{border-top:1px solid var(--color-line);color:var(--color-ink-3);flex:none;margin:0;padding:12px 20px 16px;font-size:12px;line-height:1.7}.st-store{flex-direction:column;gap:10px;display:flex}.st-search{align-items:center;gap:8px;display:flex}.st-input{border:1px solid var(--color-line);border-radius:var(--radius-pill);background:var(--color-surface);min-width:0;color:var(--color-ink);flex:auto;padding:9px 13px;font-size:13px}.st-input::placeholder{color:var(--color-ink-3)}.st-submit{border-radius:var(--radius-pill);background:var(--color-brand);color:#fff;cursor:pointer;border:0;flex:none;padding:9px 16px;font-size:13px;font-weight:600}.st-submit:hover{background:var(--color-brand-deep)}.st-submit:disabled{opacity:.6;cursor:default}.st-quota{color:var(--color-ink-3);flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0 2px;font-size:11px;line-height:1.6;display:flex}.st-quota-note{color:var(--color-brand-deep);font-weight:600}.st-quota-link{color:var(--color-brand-deep);font-weight:600;text-decoration:underline}.st-status{color:var(--color-ink-3);margin:0 2px;font-size:12px;line-height:1.6}.st-empty{text-align:center;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);margin:4px 0;padding:26px 18px}.st-empty-title{color:var(--color-ink);font-size:17px;font-weight:700}.st-empty-body{max-width:290px;color:var(--color-ink-3);margin:8px auto 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solid var(--color-brand);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-brand-deep);white-space:nowrap;cursor:pointer;padding:7px 13px;font-size:12px;font-weight:600}.st-download:disabled{opacity:.5;cursor:default}.st-added{border-radius:var(--radius-pill);background:var(--color-brand);color:#fff;white-space:nowrap;padding:7px 12px;font-size:12px;font-weight:600;text-decoration:none}.st-input:focus-visible,.st-submit:focus-visible,.st-retry:focus-visible,.st-download:focus-visible,.st-added:focus-visible,.st-quota-link:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}.bk-rec{flex-direction:column;gap:10px;display:flex}.bk-rec-head{flex-direction:column;gap:3px;display:flex}.bk-rec-title{color:var(--color-ink);margin:0;font-size:15px;font-weight:700}.bk-rec-subtitle{color:var(--color-ink-3);margin:0;font-size:11px;line-height:1.6}.bk-rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.bk-rec-item{min-width:0;display:flex}.bk-rec-card{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);text-align:left;cursor:pointer;flex-direction:column;gap:4px;width:100%;padding:8px;display:flex}.bk-rec-card:disabled{cursor:default}.bk-rec-cover{aspect-ratio:2/3;object-fit:cover;background:var(--color-line);border-radius:6px;width:100%}.bk-rec-name{-webkit-line-clamp:2;color:var(--color-ink);-webkit-box-orient:vertical;font-size:12px;font-weight:700;line-height:1.35;display:-webkit-box;overflow:hidden}.bk-rec-author{text-overflow:ellipsis;white-space:nowrap;color:var(--color-ink-3);font-size:10px;line-height:1.5;overflow:hidden}.bk-rec-cta{color:var(--color-brand-deep);margin-top:2px;font-size:11px;font-weight:600}.bk-rec-fail{color:#b42318;font-size:10px;line-height:1.5}.bk-rec-card:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}.vf-page{color:#fff;background:#05070a;height:100%;position:relative}.vf-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.phone:has(.vf-page)>.gear{display:none}.vf-viewport{scroll-snap-type:y mandatory;overscroll-behavior:contain;scroll-behavior:smooth;height:100%;overflow-y:auto}.vf-screen{scroll-snap-align:start;color:#fff;background:radial-gradient(circle at 50% 18%,#1b2738 0%,#0b1119 58%,#05070a 100%);height:100%;position:relative;overflow:hidden}.vf-top{z-index:4;justify-content:space-between;align-items:center;gap:12px;display:flex;position:absolute;top:12px;left:14px;right:12px}.vf-tabs{align-items:center;gap:16px;display:flex}.vf-tab{color:#ffffff9e;font-size:14px;font-weight:600}.vf-tab-on{color:#fff;font-weight:800}.vf-tab-muted{cursor:default}.vf-gear{color:#fff;background:#00000047;border:1px solid #ffffff3d;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:15px;text-decoration:none;display:inline-flex}.vf-gear:focus-visible,.vf-tab:focus-visible{outline-offset:2px;outline:2px solid #7dd3fc}.vf-media{justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.vf-cover{background:radial-gradient(circle at 30% 30%,#2b3a55 0%,#16202f 55%,#0d131c 100%);justify-content:center;align-items:center;width:100%;height:100%;display:flex}.vf-play{color:#fff;cursor:pointer;background:#0000002e;border:2px solid #ffffffd1;border-radius:50%;justify-content:center;align-items:center;width:68px;height:68px;padding-left:4px;font-size:24px;line-height:1;display:inline-flex}.vf-play:focus-visible{outline-offset:3px;outline:2px solid #7dd3fc}.vf-embed{background:#000;border:0;width:100%;height:100%}.vf-side{z-index:5;flex-direction:column;align-items:center;gap:14px;display:flex;position:absolute;bottom:218px;right:10px}.vf-act{color:#fff;width:60px;font:inherit;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:3px;padding:0;display:flex}.vf-act:disabled{opacity:.42;cursor:not-allowed}.vf-act:focus-visible{outline-offset:3px;border-radius:10px;outline:2px solid #7dd3fc}.vf-act-mark{background:#0f172a94;border:1px solid #ffffff2e;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;font-size:19px;display:inline-flex}.vf-act-label{text-align:center;color:#ffffffe6;font-size:10px;line-height:1.3}.vf-info{z-index:4;pointer-events:none;flex-direction:column;gap:6px;max-height:56%;display:flex;position:absolute;bottom:22px;left:16px;right:78px;overflow-y:auto}.vf-info button,.vf-info a,.vf-info summary,.vf-info details,.vf-info .vd-panel{pointer-events:auto}.vf-meta{letter-spacing:.02em;color:#ffffffc2;margin:0;font-size:11px}.vf-title{color:#fff;margin:0;font-size:16px;font-weight:800;line-height:1.4}.vf-sub-loading{color:#ffffffb3}.vf-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;height:100%;padding:24px;display:flex}.vf-empty-title{color:#fff;margin:0;font-size:20px;font-weight:800}.vf-empty-body{color:#ffffffb8;max-width:300px;margin:0;font-size:12px;line-height:1.7}.vf-single{z-index:6;text-align:center;color:#ffffff75;pointer-events:none;margin:0;font-size:9.5px;line-height:1.4;position:absolute;bottom:6px;left:16px;right:16px}.vd-overlay{gap:8px}.vd-overlay .vd-status{background:#0f172a99;border-color:#ffffff29}.vd-overlay .vd-status-detail,.vd-overlay .vd-status-meta{color:#ffffffa8}.vd-current-nav{align-items:center;gap:10px;display:flex}.vd-prev,.vd-next{border-radius:var(--radius-pill);color:#fff;cursor:pointer;background:#0f172a80;border:1px solid #fff3;padding:3px 10px;font-size:10.5px}.vd-prev:disabled,.vd-next:disabled{opacity:.4;cursor:not-allowed}.vd-current-pos{font-variant-numeric:tabular-nums;color:#ffffff9e;font-size:10.5px}.vd-current-list{margin:0;padding:0;list-style:none}.vd-current-line{flex-direction:column;gap:7px;display:flex}.vd-current-head{align-items:center;gap:8px;display:flex}.vd-jump{border-radius:var(--radius-pill);color:#fff;font-variant-numeric:tabular-nums;cursor:pointer;background:#0f172a80;border:1px solid #ffffff38;padding:2px 8px;font-size:10.5px}.vd-jump-static{cursor:default}.vd-jump:focus-visible{outline-offset:2px;outline:2px solid #7dd3fc}.vd-text-large{color:#fff;text-shadow:0 1px 2px #0009;margin:0;font-size:19px;font-weight:700;line-height:1.55}.vd-word{color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0;display:inline}.vd-word:hover{color:#7dd3fc}.vd-word:focus-visible{outline-offset:1px;border-radius:3px;outline:2px solid #7dd3fc}.vf-zh-toggle{border-radius:var(--radius-pill);color:#fff;cursor:pointer;background:#0f172a80;border:1px solid #ffffff3d;align-self:flex-start;padding:4px 12px;font-size:11px}.vf-zh-toggle:focus-visible{outline-offset:2px;outline:2px solid #7dd3fc}.vf-zh{border-radius:var(--radius-card);background:#0f172a9e;border:1px solid #ffffff24;flex-direction:column;gap:6px;padding:8px 10px;display:flex}.vf-zh .vd-zh-text{color:#fff;margin:0}.vf-zh .vd-zh-point{color:#ffffffdb}@media (prefers-reduced-motion:reduce){.vf-viewport{scroll-behavior:auto}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@keyframes pulse{50%{opacity:.5}}