:root{--paper:#fcfaf5;--paper-deep:#f5f0e7;--ink:#26231f;--muted:#706960;--line:#e5ded3;--red:#c83c32;--red-soft:#fff0eb;--green:#52755a;--green-soft:#eef4ec;--yellow:#f5d95a;--night:#151917;--night-text:#f4ebdd;--shadow:0 10px 32px #382c1d14;color:var(--ink);font-synthesis:none;text-rendering:optimizelegibility;background:#e8e2d8;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:radial-gradient(circle at 50% -20%,#fffefb 0,#eee7dd 55%,#dfd7cb 100%);min-width:320px;min-height:100dvh}button,input,textarea,select{font:inherit}button{color:inherit;cursor:pointer;background:0 0;border:0}button:disabled{cursor:not-allowed;opacity:.45}input,textarea,select{color:var(--ink)}input:focus,textarea:focus,select:focus,button:focus-visible{outline:2px solid color-mix(in srgb, var(--red), transparent 35%);outline-offset:2px}h1,h2,h3,p{margin-top:0}h1,h2,h3,.book-cover strong,.summary-one-line{font-family:Songti SC,STSong,Noto Serif CJK SC,serif;font-weight:600}.app-shell{background:var(--paper);max-width:540px;min-height:100dvh;margin:0 auto;position:relative;overflow:hidden;box-shadow:0 0 0 1px #412f1b0d,0 16px 60px #36271821}.app-shell__frame{min-height:100dvh}.app-page{min-height:100dvh;padding:calc(20px + env(safe-area-inset-top)) 20px calc(104px + env(safe-area-inset-bottom));animation:.3s ease-out page-in}@keyframes page-in{0%{opacity:.55;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.loading-shell{background:var(--paper);min-height:100dvh;color:var(--muted);place-content:center;justify-items:center;gap:12px;font-size:14px;display:grid}.loading-shell__mark{color:var(--ink);letter-spacing:.15em;font-family:Songti SC,serif;font-size:32px}.primary-button,.ghost-button,.danger-button,.tiny-primary{border-radius:14px;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:0 17px;transition:transform .18s,box-shadow .18s,background .18s;display:inline-flex}.primary-button{background:var(--red);color:#fffdf8;font-weight:600;box-shadow:0 5px 14px #b52e2533}.primary-button:hover{background:#b63028;transform:translateY(-1px);box-shadow:0 8px 18px #b52e2542}.primary-button small{color:#ffffffd1;margin-left:2px;font-weight:400}.ghost-button{border:1px solid var(--line);color:var(--ink);background:0 0}.ghost-button:hover{background:var(--paper-deep)}.danger-button{background:var(--red);color:#fff}.tiny-primary{background:var(--red);color:#fff;border-radius:10px;min-height:34px;padding:0 12px;font-size:13px}.icon-button{border-radius:50%;place-items:center;width:44px;height:44px;display:grid}.icon-button:hover{background:var(--paper-deep)}.text-danger{color:var(--red);padding:8px;font-size:13px}.page-title{justify-content:space-between;align-items:center;min-height:47px;margin-bottom:19px;display:flex}.page-title h1{letter-spacing:.04em;margin:0;font-size:29px}.add-button{color:#fff;background:var(--red);border-radius:50%;place-items:center;width:39px;height:39px;display:grid;box-shadow:0 5px 13px #b8302740}.add-button:hover{transform:scale(1.04)}.offline-banner{color:#805e2c;background:#fff7e9;border:1px solid #ead5b0;border-radius:12px;align-items:center;gap:8px;min-height:40px;margin-bottom:14px;padding:9px 11px;font-size:13px;display:flex}.offline-banner button{place-items:center;margin-left:auto;display:grid}.shelf-offline{justify-content:center}.search-box{border:1px solid var(--line);width:100%;height:47px;color:var(--muted);background:color-mix(in srgb, white 62%, var(--paper));border-radius:12px;align-items:center;gap:10px;padding:0 13px;display:flex}.search-box input{background:0 0;border:0;outline:0;width:100%;padding:0;font-size:14px}.search-box input::placeholder{color:#aaa39a}.search-box button{color:var(--muted);place-items:center;display:grid}.shelf-filter-row{justify-content:space-between;align-items:center;min-height:52px;display:flex}.select-compact{color:var(--ink);align-items:center;gap:7px;font-size:14px;display:inline-flex;position:relative}.select-compact select{appearance:none;background:0 0;border:0;outline:0;padding:6px 4px 6px 0}.select-compact--sort{color:var(--muted);font-size:13px}.select-compact--sort select{color:var(--muted)}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:21px 17px;display:grid}.shelf-book{text-align:left;border-radius:9px;min-width:0;padding:0}.shelf-book:active{transform:scale(.98)}.book-cover-wrap{min-width:0}.book-cover{aspect-ratio:.685;isolation:isolate;background:#ddd1ba;border-radius:5px;position:relative;overflow:hidden;box-shadow:0 3px 7px #2d211229}.book-cover:before{content:"";pointer-events:none;z-index:4;border:1px solid #4d31131c;position:absolute;inset:0}.book-cover img{object-fit:cover;width:100%;height:100%;display:block}.book-cover__grain{opacity:.15;mix-blend-mode:multiply;background-image:radial-gradient(circle at 22% 35%,#5d3a1e 0 .5px,#0000 .7px),radial-gradient(circle at 79% 19%,#5d3a1e 0 .7px,#0000 1px);background-size:7px 8px,11px 13px;position:absolute;inset:0}.book-cover__author{text-align:center;letter-spacing:.1em;color:#372b19b8;font-size:clamp(8px,2vw,11px);position:absolute;top:13%;left:10%;right:10%}.book-cover strong{writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.09em;color:#252019;z-index:2;font-size:clamp(21px,5.4vw,36px);line-height:1.1;position:absolute;inset:25% 13% 15%}.book-cover__stamp{color:#32291c87;font-size:8px;position:absolute;bottom:9%;right:10%}.book-cover--sand{background:linear-gradient(130deg,#d7b98d,#eee0c6 47%,#bea06e)}.book-cover--cloud{background:linear-gradient(145deg,#e7e1d2,#fbf7ef 48%,#d1c3a9)}.book-cover--jade{background:linear-gradient(145deg,#9cad82,#d3d7ba 48%,#72815d)}.book-cover--ink{background:linear-gradient(145deg,#e0dfd2,#fbf9f2 55%,#9e9c92)}.book-cover--night{background:radial-gradient(circle at 70% 27%,#b8c4a5 0 3%,#0000 3.5%),linear-gradient(145deg,#0f1718,#192224 59%,#05090b)}.book-cover--night strong,.book-cover--night .book-cover__author,.book-cover--night .book-cover__stamp{color:#eee8d7}.book-cover--rose{background:linear-gradient(145deg,#d08c7d,#ead2bc 53%,#bb6657)}.book-cover .progress-line{z-index:5;background:#ffffff9e;border-radius:0;height:4px;position:absolute;bottom:0;left:0;right:0}.progress-line{background:#d9d3c9;border-radius:99px;width:100%;height:5px;display:block;overflow:hidden}.progress-line>span{background:var(--red);border-radius:inherit;height:100%;transition:width .3s;display:block}.cover-status{z-index:6;color:#fff;background:#252018ad;border-radius:6px;min-height:20px;padding:3px 5px;font-size:9px;position:absolute;top:7px;right:6px}.cover-status--ready{background:#52755ae0;place-items:center;width:22px;display:grid}.book-cover-meta{color:var(--muted);grid-template-rows:auto auto;grid-template-columns:1fr auto;gap:2px 4px;margin-top:8px;line-height:1.25;display:grid}.book-cover-meta strong{text-overflow:ellipsis;white-space:nowrap;color:var(--ink);grid-column:1/-1;font-family:inherit;font-size:13px;font-weight:500;overflow:hidden}.book-cover-meta span{text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.book-cover-meta svg{color:var(--green);grid-area:2/2;align-self:center}.shelf-empty{min-height:42vh;color:var(--muted);place-content:center;justify-items:center;gap:9px;display:grid}.bottom-navigation{width:min(540px,100%);height:calc(72px + env(safe-area-inset-bottom));padding:7px 24px env(safe-area-inset-bottom);background:color-mix(in srgb, var(--paper) 94%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:20;border-top:1px solid #e5ded3d1;grid-template-columns:repeat(3,1fr);display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-navigation button{color:#888179;place-content:center;gap:2px;min-height:50px;font-size:12px;display:grid}.bottom-navigation span{line-height:1}.demo-mode-indicator{right:max(12px,50% - 258px);top:calc(10px + env(safe-area-inset-top));z-index:30;color:var(--muted);background:#26231f14;border-radius:6px;padding:3px 7px;font-size:10px;position:fixed}.modal-backdrop{z-index:100;background:#241e1647;justify-content:center;align-items:flex-end;padding:12px;animation:.18s fade-in;display:flex;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal-sheet{background:var(--paper);width:min(520px,100%);max-height:min(82dvh,720px);padding:19px 18px calc(20px + env(safe-area-inset-bottom));border:1px solid #ffffffe6;border-radius:21px 21px 15px 15px;animation:.25s ease-out sheet-in;overflow:auto;box-shadow:0 -9px 35px #3827152e}@keyframes sheet-in{0%{transform:translateY(18px)}to{transform:translateY(0)}}.modal-sheet--wide{width:min(700px,100%)}.modal-sheet__head{justify-content:space-between;align-items:center;margin-bottom:13px;display:flex}.modal-sheet__head h2{margin:0;font-size:20px}.modal-intro{color:var(--muted);margin-bottom:15px;font-size:14px;line-height:1.65}.modal-primary{width:100%;margin-top:15px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.action-list{border:1px solid var(--line);border-radius:13px;overflow:hidden}.action-list button{text-align:left;border-bottom:1px solid var(--line);width:100%;min-height:49px;padding:0 14px;font-size:15px;display:block}.action-list button:last-child{border-bottom:0}.action-list button.is-danger{color:var(--red)}.field-label{color:var(--muted);gap:7px;margin:13px 0;font-size:13px;display:grid}.field-label input,.field-label select{border:1px solid var(--line);width:100%;height:44px;color:var(--ink);background:#fffefb;border-radius:10px;padding:0 12px}.form-error{color:var(--red);margin:8px 0;font-size:13px}.drop-zone{min-height:133px;color:var(--muted);background:#fffdf8;border:1px dashed #c8bdae;border-radius:13px;place-content:center;justify-items:center;gap:5px;font-size:14px;display:grid;position:relative}.drop-zone small{color:#989087;font-size:11px}.drop-zone input{opacity:0;cursor:pointer;position:absolute;inset:0}.upload-list{gap:8px;margin-top:13px;display:grid}.upload-row{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:10px 0;display:flex}.upload-row>div{flex:1;gap:4px;min-width:0;display:grid}.upload-row strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.upload-row small{color:var(--muted);font-size:11px}.upload-row .ghost-button{border-radius:9px;min-height:34px;padding:0 10px;font-size:12px}.upload-progress{background:#e4ddd3;border-radius:99px;height:3px;overflow:hidden}.upload-progress>span{background:var(--red);height:100%;transition:width .25s;display:block}.detail-topbar{grid-template-columns:44px 1fr 44px;align-items:center;min-height:45px;margin:-2px -8px 16px;display:grid}.detail-topbar>div{text-align:center;gap:2px;min-width:0;display:grid}.detail-topbar strong{text-overflow:ellipsis;white-space:nowrap;font-family:Songti SC,serif;font-size:15px;overflow:hidden}.detail-topbar span{color:var(--muted);font-size:11px}.book-hero{grid-template-columns:38% 1fr;align-items:center;gap:19px;margin:12px 0 16px;display:grid}.book-hero__cover .book-cover{box-shadow:0 9px 18px #40281326}.book-hero__copy{flex-direction:column;align-self:stretch;min-width:0;display:flex}.book-hero__copy h1{letter-spacing:.04em;margin:9px 0 7px;font-size:clamp(24px,6.5vw,32px);line-height:1.2}.book-hero__copy p{color:var(--muted);margin-bottom:auto;font-size:14px}.book-hero__copy .progress-line{margin:14px 0 8px}.book-hero__copy strong{font-size:13px;font-weight:500}.book-hero__copy>span{color:var(--muted);margin-top:13px;font-size:12px}.continue-link{color:#b58a5f;align-items:center;gap:4px;width:fit-content;margin-top:4px;font-size:13px;display:inline-flex}.detail-read-button{width:100%;min-height:49px;margin-bottom:16px;font-size:16px}.detail-pair-actions{border:1px solid var(--line);border-radius:11px;grid-template-columns:1fr 1fr;margin:14px 0 20px;display:grid;overflow:hidden}.detail-pair-actions--three{grid-template-columns:repeat(3,1fr)}.detail-pair-actions button{border-right:1px solid var(--line);justify-content:center;align-items:center;gap:8px;min-height:44px;font-size:14px;display:flex}.detail-pair-actions button:last-child{border:0}.detail-pair-actions button:hover{background:var(--paper-deep)}.section-heading{justify-content:space-between;align-items:baseline;margin-bottom:10px;display:flex}.section-heading h2{margin:0;font-size:17px}.section-heading button{color:var(--red);font-size:13px}.section-heading>span{color:var(--muted);font-size:11px}.summary-preview{margin-bottom:23px}.summary-preview>p{margin-bottom:8px;font-size:14px;line-height:1.7}.summary-preview ul{color:var(--muted);margin:0;padding-left:1.2em;font-size:13px;line-height:1.7}.pending-row{min-height:75px;color:var(--muted);border:1px dashed var(--line);border-radius:11px;justify-content:center;align-items:center;gap:10px;font-size:13px;display:flex}.book-search{margin:22px 0}.search-box--inside{height:43px}.search-results{border:1px solid var(--line);border-radius:10px;margin-top:8px;overflow:hidden}.search-results button{text-align:left;border-bottom:1px solid var(--line);gap:4px;width:100%;padding:11px 12px;display:grid}.search-results button:last-child{border:0}.search-results strong{font-size:13px}.search-results span{color:var(--muted);font-size:12px;line-height:1.5}.muted{color:var(--muted);font-size:13px;line-height:1.6}.chapter-section{scroll-margin-top:20px}.chapter-list{border:1px solid var(--line);border-radius:11px;overflow:hidden}.chapter-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:7px;display:grid}.chapter-row:last-child{border:0}.chapter-row>div:first-child{gap:4px;min-width:0;padding:12px 12px 11px;display:grid}.chapter-row strong{text-overflow:ellipsis;white-space:nowrap;font-family:inherit;font-size:14px;font-weight:500;overflow:hidden}.chapter-row span{color:var(--muted);font-size:11px}.chapter-row__actions{display:flex}.chapter-row__actions button{border-left:1px solid var(--line);min-width:49px;color:var(--muted);place-content:center;gap:3px;padding:6px;font-size:10px;display:grid}.chapter-row__actions button:not(:disabled):hover{color:var(--red);background:var(--paper-deep)}.detail-tools{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(2,1fr);margin:20px 0;display:grid}.detail-tools button{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:43px;color:var(--muted);justify-content:center;align-items:center;gap:6px;font-size:12px;display:flex}.detail-tools button:hover{color:var(--red);background:var(--paper-deep)}.pipeline-row{border-bottom:1px solid var(--line);padding:10px 0}.pipeline-row:last-child{border:0}.pipeline-row>div{align-items:center;gap:8px;display:flex}.pipeline-row strong{font-size:14px}.pipeline-row span{color:var(--muted);margin-left:auto;font-size:12px}.pipeline-row .progress-line{margin-top:9px}.status-dot{border-radius:50%;flex:none;width:8px;height:8px;display:inline-block}.status-dot--green{background:var(--green)}.status-dot--red{background:var(--red)}.status-dot--gray{background:#b9b3aa}.status-dot--yellow{background:#c49e31}.chapter-editor{gap:8px;display:grid}.chapter-edit-row{grid-template-columns:20px minmax(120px,1fr) 55px 17px 55px auto;align-items:center;gap:6px;display:grid}.chapter-edit-row>span{color:var(--muted);text-align:center;font-size:12px}.chapter-edit-row input{border:1px solid var(--line);background:#fff;border-radius:8px;min-width:0;height:37px;padding:0 7px;font-size:12px}.add-chapter{width:100%;margin-top:12px;font-size:13px}.summary-page__intro{border-bottom:1px solid var(--line);gap:12px;margin-bottom:17px;padding:16px 0 19px;display:flex}.summary-page__intro svg{color:var(--red);flex:none;margin-top:2px}.summary-page__intro h1{margin:0 0 5px;font-size:22px}.summary-page__intro p{color:var(--muted);margin:0;font-size:13px;line-height:1.65}.summary-card{border:1px solid var(--line);background:#ffffff70;border-radius:14px;margin-bottom:12px;overflow:hidden}.summary-card.is-open{box-shadow:0 7px 21px #47311a0d}.summary-card__head{text-align:left;justify-content:space-between;align-items:center;width:100%;min-height:58px;padding:12px 14px;display:flex}.summary-card__head h2{margin:0;font-size:17px}.summary-card__head span{color:var(--muted);font-size:11px}.summary-card__head svg{transition:transform .2s}.summary-card.is-open .summary-card__head svg{transform:rotate(90deg)}.summary-card__body{padding:0 15px 15px;animation:.2s ease-out reveal}.summary-card__body>p{font-size:14px;line-height:1.75}@keyframes reveal{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.summary-one-line{color:#453a2d;font-size:18px!important;line-height:1.65!important}.summary-block{margin:15px 0}.summary-block h3{color:var(--muted);letter-spacing:.05em;margin-bottom:8px;font-family:inherit;font-size:13px}.summary-block p,.summary-block li{font-size:14px;line-height:1.7}.summary-block ul,.summary-block ol{margin:0;padding-left:1.25em}.summary-block li+li{margin-top:5px}.concept-row{flex-wrap:wrap;gap:6px;display:flex}.concept-row span{color:var(--green);background:#f5faf4;border:1px solid #d7e0d5;border-radius:7px;padding:4px 8px;font-size:11px}.summary-card blockquote{border-left:3px solid var(--yellow);color:var(--muted);gap:7px;margin:14px 0;padding:11px 12px;font-family:Songti SC,serif;font-size:14px;line-height:1.7;display:flex}.summary-card blockquote svg{color:#a4841b;flex:none}.inspiration{background:#fff9e6;border-radius:10px;gap:8px;padding:11px;display:flex}.inspiration svg{color:#b78b22;flex:none}.inspiration strong{font-size:13px}.inspiration p{color:var(--muted);margin:4px 0 0;font-size:13px;line-height:1.6}.summary-quiz-button{width:100%;margin-top:6px}.summary-chapter-title{margin:25px 0 11px;font-size:19px}.chapter-quiz-link{color:var(--red);align-items:center;gap:3px;margin-left:auto;font-size:13px;display:flex}.summary-loading{border:1px dashed var(--line);min-height:100px;color:var(--muted);place-items:center;font-size:13px;display:grid}.reader{z-index:60;width:100%;max-width:100vw;min-height:100dvh;color:var(--ink);touch-action:pan-y;background:#eee5d4;margin:0 auto;position:fixed;inset:0;overflow:hidden}.reader--night{background:var(--night);color:var(--night-text)}.reader--night .reader-topbar,.reader--night .reader-footer{background:#151917f2;border-color:#f4ebdd24}.reader--night .reader-topbar span,.reader--night .reader-footer{color:#f4ebddad}.reader--night .reader-progress input{accent-color:#e4d181}.reader-topbar{z-index:3;width:100%;min-height:calc(61px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 13px 0;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fcfaf5f5;grid-template-columns:44px 1fr 44px;align-items:center;animation:.2s ease-out chrome-down;display:grid;position:absolute;top:0}@keyframes chrome-down{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.reader-topbar button{place-items:center;width:44px;height:44px;display:grid}.reader-topbar div{text-align:center;gap:2px;min-width:0;display:grid}.reader-topbar strong{white-space:nowrap;text-overflow:ellipsis;font-family:Songti SC,serif;font-size:15px;overflow:hidden}.reader-topbar span{color:var(--muted);font-size:11px}.reader-topbar .is-bookmarked{color:var(--red)}.reader-topbar--pdf{grid-template-columns:88px 1fr 88px}.reader-topbar--pdf>button:first-child{justify-self:start}.reader-topbar .reader-topbar__actions{min-width:88px;text-align:initial;justify-content:flex-end;align-items:center;gap:0;display:flex}.reader-topbar .reader-topbar__actions .is-active{color:var(--red);background:var(--red-soft);border-radius:50%}.pdf-canvas{inset:calc(61px + env(safe-area-inset-top)) 0 calc(90px + env(safe-area-inset-bottom));background:#dacbb3;place-items:center;display:grid;position:absolute;overflow:hidden}.reader--night .pdf-canvas{background:#1d211d}.pdf-page{background:#f4ead5;width:min(100%,610px);height:100%;position:relative;overflow:hidden;box-shadow:0 0 28px #2d22142e}.pdf-page img{object-fit:contain;background:#eee5d5;width:100%;height:100%;display:block}.pdf-page-unavailable{text-align:center;color:#715c44;background:#f4ead5;place-items:center;height:100%;margin:0;padding:28% 14%;line-height:1.7;display:grid}.pdf-canvas--next .pdf-page{animation:.3s ease-out flip-next}.pdf-canvas--previous .pdf-page{animation:.3s ease-out flip-prev}.pdf-canvas.is-fit-width{overscroll-behavior:contain;touch-action:pan-x pan-y;flex-direction:column;align-items:flex-start;display:flex;overflow:auto}.pdf-canvas.is-fit-width>.pdf-page{flex:none;max-width:none;min-height:0;margin-block:auto;overflow:visible}.pdf-canvas.is-fit-width>.pdf-page img{object-fit:contain;width:100%;height:auto}.pdf-canvas.is-fit-width .pdf-canvas__adjacent{display:none}.pdf-zoom-controls{z-index:7;top:calc(70px + env(safe-area-inset-top));color:#5c5144;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);background:#fcfaf5eb;border:1px solid #755f4133;border-radius:10px;align-items:center;gap:2px;min-height:38px;padding:3px;display:flex;position:absolute;right:10px;box-shadow:0 5px 16px #2d22141f}.pdf-zoom-controls button{min-width:32px;min-height:30px;color:inherit;border-radius:7px;justify-content:center;align-items:center;gap:3px;padding:0 6px;font-size:11px;display:inline-flex}.pdf-zoom-controls button.is-active{color:var(--red);background:var(--red-soft)}.pdf-zoom-controls button:disabled{opacity:.34}.pdf-zoom-controls output{text-align:center;min-width:38px;font-size:11px}.reader--night .pdf-zoom-controls{color:#e9e2d6;background:#1d211de6;border-color:#f4ebdd24}@keyframes flip-next{0%{opacity:.5;transform:translate(18px);box-shadow:-15px 0 25px #1e140a40}to{opacity:1;transform:translate(0)}}@keyframes flip-prev{0%{opacity:.5;transform:translate(-18px);box-shadow:15px 0 25px #1e140a40}to{opacity:1;transform:translate(0)}}.pdf-canvas__adjacent{min-width:0;height:100%;display:none}.pdf-canvas__adjacent .pdf-page{width:100%}.demo-scan{color:#43382d;background:radial-gradient(circle at 44% 37%,#be935129,#0000 34%),repeating-linear-gradient(90deg,#79512406 0 1px,#0000 1px 7px),#f4ead2;height:100%;padding:14% 10% 8%;position:relative;overflow:hidden}.demo-scan__title{color:#44372a7a;font-family:Songti SC,serif;font-size:12px;position:absolute;top:5%;left:10%}.demo-scan__columns{direction:rtl;justify-content:center;gap:5.5%;height:100%;display:flex}.demo-scan__columns p{writing-mode:vertical-rl;text-orientation:upright;letter-spacing:.08em;margin:5% 0 0;font-family:Songti SC,serif;font-size:clamp(16px,4.3vw,26px);line-height:1.6}.demo-scan__columns p:nth-child(2){margin-top:18%}.demo-scan__columns p:nth-child(3){margin-top:9%}.demo-scan__page{color:#3e312399;font-size:11px;position:absolute;bottom:3%;left:50%;transform:translate(-50%)}.pdf-highlight{background:color-mix(in srgb, var(--yellow) 55%, transparent);mix-blend-mode:multiply;pointer-events:none;border-radius:5px;position:absolute;transform:rotate(-1deg)}.pdf-highlight--rose{background:#df73666b}.pdf-highlight--green{background:#7297676b}.marking-guidance{z-index:2;color:#725b1e;box-shadow:var(--shadow);background:#fff9dce6;border-radius:99px;padding:7px 11px;font-size:12px;position:absolute;top:11px;left:50%;transform:translate(-50%)}.is-marking .pdf-page{cursor:crosshair}.reader-footer{z-index:4;width:100%;min-height:calc(89px + env(safe-area-inset-bottom));padding:10px 20px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fcfaf5f7;animation:.2s ease-out chrome-up;position:absolute;bottom:0}@keyframes chrome-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.reader-progress{grid-template-columns:32px 1fr 40px;align-items:center;gap:7px;font-size:13px;display:grid}.reader-progress input{width:100%;accent-color:var(--red)}.reader-tools{grid-template-columns:repeat(4,1fr);margin-top:6px;display:grid}.reader-tools--five{grid-template-columns:repeat(5,1fr)}.reader-tools button{min-height:45px;color:var(--muted);place-content:center;justify-items:center;gap:3px;font-size:11px;display:grid}.reader-tools button.is-active{color:var(--red)}.reader--night .reader-tools button{color:#f4ebddc2}.chapter-end-hint{bottom:calc(133px + env(safe-area-inset-bottom));z-index:5;min-width:max-content;color:var(--ink);background:#fffcf3ed;border:1px solid #bfa97f7a;border-radius:99px;padding:8px 12px;font-size:12px;position:absolute;left:50%;transform:translate(-50%);box-shadow:0 6px 16px #3d270f1f}.chapter-end-hint span{color:var(--red)}.highlight-composer{z-index:10;left:50%;bottom:calc(132px + env(safe-area-inset-bottom));background:#fffdf8;border-radius:13px;width:min(330px,100% - 28px);padding:11px;position:absolute;transform:translate(-50%);box-shadow:0 9px 28px #2f221138}.highlight-composer__colors{gap:9px;margin-bottom:9px;display:flex}.marker-color{background:var(--yellow);border-radius:50%;width:25px;height:25px}.marker-color--rose{background:#e47d71}.marker-color--green{background:#8da879}.marker-color.is-selected{outline:2px solid var(--ink);outline-offset:2px}.highlight-composer textarea{resize:none;border:1px solid var(--line);background:#fffcf5;border-radius:8px;width:100%;height:67px;padding:8px;font-size:13px}.highlight-composer>div:last-child{justify-content:flex-end;gap:8px;margin-top:8px;display:flex}.highlight-composer .ghost-button{border:0;min-height:34px;padding:0 11px;font-size:12px}.directory-list{border:1px solid var(--line);border-radius:10px;overflow:hidden}.directory-list button{text-align:left;border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;width:100%;min-height:48px;padding:0 12px;font-size:14px;display:flex}.directory-list button:last-child{border:0}.directory-list button.is-current{color:var(--red);background:var(--red-soft)}.directory-list small{color:var(--muted);font-size:11px}.highlights-list{gap:0;display:grid}.highlights-list__item{border-bottom:1px solid var(--line);align-items:stretch;min-width:0;display:flex}.highlights-list__item:last-child{border-bottom:0}.highlights-list__jump{text-align:left;flex:1;gap:9px;min-width:0;padding:11px 8px 11px 0;display:flex}.highlights-list__jump>div{gap:4px;min-width:0;display:grid}.highlights-list__delete{width:52px;color:var(--muted);flex:none;place-content:center;justify-items:center;gap:2px;font-size:10px;display:grid}.highlights-list__delete:hover,.highlights-list__delete:focus-visible{color:var(--red);background:var(--red-soft)}.highlights-list__delete span{color:inherit;font-size:10px}.highlights-list strong{font-size:13px;line-height:1.5}.highlights-list small{color:var(--muted);font-size:12px}.highlights-list em{color:#a08864;font-size:11px;font-style:normal}.highlight-swatch{background:#f5d95abf;border-radius:4px;flex:none;width:10px;height:26px;margin-top:4px}.highlight-swatch--rose{background:#e47d71b8}.highlight-swatch--green{background:#8da879bf}.reader--epub{background:var(--paper);overflow-y:auto}.reader--epub-mist{background:#e9e6de}.reader--epub-night{background:var(--night);color:var(--night-text)}.epub-content{max-width:680px;min-height:100dvh;padding:calc(88px + env(safe-area-inset-top)) 26px calc(195px + env(safe-area-inset-bottom));letter-spacing:.025em;margin:0 auto;font-family:Songti SC,STSong,serif}.epub-content h1{text-align:center;margin:.6em 0 1.4em;font-size:1.3em}.epub-content p{text-align:justify;margin:0 0 1.25em}.epub-highlight{color:inherit;-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#f5d95a94;border-radius:.13em;padding:0 .02em}.epub-highlight--rose{background:#e47d717a}.epub-highlight--green{background:#8da87985}.epub-highlight--yellow-rose{background:linear-gradient(135deg,#f5d95a9e 0 50%,#e47d7180 50% 100%)}.epub-highlight--yellow-green{background:linear-gradient(135deg,#f5d95a9e 0 50%,#8da8798a 50% 100%)}.epub-highlight--rose-green{background:linear-gradient(135deg,#e47d7180 0 50%,#8da8798a 50% 100%)}.epub-highlight--yellow-rose-green{background:linear-gradient(135deg,#f5d95aa3 0 34%,#e47d7187 34% 67%,#8da8798f 67% 100%)}.reader--epub-night .epub-content,.reader--epub-night .epub-highlight{color:var(--night-text)}.epub-selection-popover{z-index:8;left:50%;bottom:calc(145px + env(safe-area-inset-bottom));color:#fff;max-width:calc(100% - 24px);box-shadow:var(--shadow);background:#292b28;border-radius:10px;align-items:center;gap:5px;padding:7px 9px;font-size:12px;display:flex;position:fixed;transform:translate(-50%)}.epub-selection-popover span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.epub-selection-popover button{color:#f8e387;min-height:30px;padding:0 8px}.epub-footer{z-index:4;width:min(540px,100%);padding:8px 19px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fcfaf5f7;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.reader--epub-night .epub-footer{background:#151917f7;border-color:#f4ebdd24}.epub-slider-row{min-height:33px;color:var(--muted);grid-template-columns:37px 34px 1fr 34px;align-items:center;gap:5px;font-size:12px;display:grid}.epub-slider-row+.epub-slider-row{grid-template-columns:37px 1fr 34px}.epub-slider-row input{width:100%;accent-color:var(--red)}.epub-slider-row button{min-height:30px;color:inherit;font-size:12px}.reader--epub-night .epub-footer,.reader--epub-night .epub-slider-row{color:#f4ebddc7}.reader--reflow{touch-action:pan-y}.reader--reflow .epub-content{padding-bottom:calc(104px + env(safe-area-inset-bottom))}.reader--reflow .epub-selection-popover{z-index:26;bottom:calc(116px + env(safe-area-inset-bottom))}.reflow-content{max-width:760px;padding-left:clamp(24px,7vw,72px);padding-right:clamp(24px,7vw,72px)}.reflow-section__eyebrow{color:var(--muted);letter-spacing:.06em;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;font-size:.62em;text-align:center!important;margin:.25em 0 1.1em!important}.reflow-section__chapter-label{letter-spacing:.08em;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;font-size:.76em;text-align:center!important;margin:1.8em 0 .8em!important}.reflow-section>h1{margin-bottom:1.7em;line-height:1.45}.reflow-block{position:relative}.reflow-block--heading{margin:1.9em 0 .9em;font-size:1.12em;line-height:1.55}.reflow-block--subheading{letter-spacing:.025em;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;font-weight:500}.reflow-block--lead{margin-bottom:1.45em;font-size:1.04em;line-height:1.75}.reflow-block--footnote{color:var(--muted);font-size:.78em;line-height:1.65}.reflow-block--align-center{text-align:center!important}.reflow-block--align-right{text-align:right!important}.reflow-block--align-left{text-align:left!important}.reflow-block--align-justified{text-align:justify!important}.reflow-block--quote{color:#625748;border-left:3px solid #c8b28c;margin:1.45em 0;padding:.1em 0 .1em 1em}.reflow-block--list{padding-left:1em}.reflow-block--list:before{content:"•";position:absolute;left:.15em}.reflow-visual-page,.reflow-figure{border:1px solid var(--line);background:#fff6;border-radius:12px;margin:1.8em auto 2.2em;padding:10px;box-shadow:0 8px 20px #43301f14}.reflow-visual-page>div{background:#e7e1d7;border-radius:7px;overflow:hidden}.reflow-visual-page .pdf-page{aspect-ratio:auto;background:0 0;width:100%;min-height:0}.reflow-visual-page .pdf-page img{object-fit:contain;width:100%;height:auto;display:block}.reflow-visual-page figcaption,.reflow-figure figcaption{color:var(--muted);margin:9px 3px 7px;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;font-size:.65em;line-height:1.55}.reflow-visual-page button,.reflow-figure>button:last-child{color:var(--red);margin-left:2px;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;font-size:.68em}.reflow-figure__viewport{cursor:zoom-in;background:#fff;border-radius:7px;width:100%;display:block;position:relative;overflow:hidden}.reflow-figure__viewport img{max-width:none;height:auto;display:block;position:absolute;top:0;left:0}.reflow-figure__viewport:focus-visible{outline:2px solid var(--red);outline-offset:3px}.reflow-tools{grid-template-columns:repeat(6,1fr)}.reflow-tools--seven{grid-template-columns:repeat(7,1fr)}.reflow-tools--seven button{font-size:10px}.reflow-translation{border-left:2px solid color-mix(in srgb, var(--red) 34%, transparent);color:color-mix(in srgb, var(--ink) 82%, transparent);margin:-.5em 0 1.35em;padding-left:.85em;font-size:.94em;line-height:1.8}.reader--epub-night .reflow-translation{color:#f4ebddcc;border-left-color:#d6786080}.reader-text-settings{gap:20px;display:grid}.reader-text-settings section{gap:9px;display:grid}.reader-text-settings__label{justify-content:space-between;align-items:baseline;display:flex}.reader-text-settings__label strong{font-size:15px;font-weight:500}.reader-text-settings__label span{color:var(--muted);font-size:12px}.reader-text-settings__control{align-items:center;gap:9px;display:grid}.reader-text-settings__control--font{grid-template-columns:42px 1fr 42px}.reader-text-settings__control--line-height{grid-template-columns:1fr auto}.reader-text-settings input{width:100%;accent-color:var(--red)}.reader-text-settings__control>button{border:1px solid var(--line);min-height:38px;color:var(--ink);background:var(--paper-deep);border-radius:9px;padding:0 9px;font-size:13px}.reader-text-settings__background{justify-content:center;align-items:center;gap:5px;min-width:80px;display:inline-flex}.reader-tools button:disabled{opacity:.34}.reader--epub-night .reflow-block--quote{color:#f4ebddc2;border-color:#937e59}.reader--epub-night .reflow-visual-page,.reader--epub-night .reflow-figure{background:#ffffff0d;border-color:#f4ebdd24}.reflow-figure{background:0 0;padding:0;overflow:hidden}.reflow-figure-lightbox{z-index:130;background:#151917d1;place-items:center;padding:16px;animation:.16s fade-in;display:grid;position:fixed;inset:0}.reflow-figure-lightbox__panel{width:min(900px, calc((100dvh - 72px) * var(--figure-aspect)), calc(100vw - 32px));background:var(--paper);border-radius:12px;padding:4px;position:relative;box-shadow:0 16px 48px #00000059}.reflow-figure-lightbox__crop{background:#e7e1d7;border-radius:8px;width:100%;position:relative;overflow:hidden}.reflow-figure-lightbox__crop img{max-width:none;height:auto;display:block;position:absolute;top:0;left:0}.reflow-figure-lightbox__close{z-index:1;color:#fff;background:#ffffff2e;border-radius:50%;place-items:center;width:34px;height:34px;display:grid;position:absolute;top:-42px;right:0}.reflow-figure-lightbox__close:hover{background:#ffffff4d}.reader--reflow{touch-action:pan-y;overflow:hidden}.reader--reflow .reflow-pager{inset:calc(61px + env(safe-area-inset-top)) 0 calc(72px + env(safe-area-inset-bottom));position:absolute;overflow:hidden}.reader--reflow .reflow-content--paginated{column-count:auto;column-width:var(--reflow-column-width,calc(100vw - 52px));column-fill:auto;column-gap:52px;width:calc(100% - 52px);max-width:none;height:100%;min-height:0;margin:0 26px;padding:20px 0 16px;overflow:visible}.reflow-pager__end-spacer{pointer-events:none;height:1px;position:absolute;top:0}.reader--reflow .reflow-content--paginated .reflow-section{min-height:0}.reader--reflow .reflow-content--paginated h1,.reader--reflow .reflow-content--paginated h2,.reader--reflow .reflow-content--paginated blockquote,.reader--reflow .reflow-content--paginated .reflow-block--list,.reader--reflow .reflow-content--paginated .reflow-figure{-webkit-column-break-inside:avoid;page-break-inside:avoid;break-inside:avoid-column}.reader--reflow .reflow-content--paginated .reflow-figure{margin:1.15em 0 1.55em}.reader--reflow .reflow-content--paginated .reflow-section>h1{margin-top:.45em}.reflow-vocabulary-word{color:inherit;font:inherit;line-height:inherit;letter-spacing:inherit;vertical-align:baseline;border-bottom:1px dashed;border-radius:0;padding:0;display:inline}.reflow-vocabulary-word:hover,.reflow-vocabulary-word:focus-visible{color:var(--red)}.reflow-vocabulary-popover{z-index:125;border:1px solid color-mix(in srgb, var(--line) 80%, transparent);background:color-mix(in srgb, var(--paper) 97%, white);border-radius:12px;width:min(300px,100vw - 24px);padding:14px 38px 14px 15px;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;position:fixed;box-shadow:0 12px 34px #2d22172e}.reflow-vocabulary-popover strong{margin-bottom:3px;font-family:Georgia,Times New Roman,serif;font-size:19px;display:block}.reflow-vocabulary-popover>span{color:var(--muted);font-size:13px;display:block}.reflow-vocabulary-popover p{margin:9px 0 0;font-size:14px;line-height:1.55}.reflow-vocabulary-popover__context-label{background:color-mix(in srgb, var(--red) 12%, transparent);color:var(--red);vertical-align:1px;border-radius:5px;margin-right:6px;padding:1px 6px;font-size:11px;font-style:normal;display:inline-block}.reflow-vocabulary-popover__senses{border-top:1px solid color-mix(in srgb, var(--line) 70%, transparent);margin:8px 0 0;padding:8px 0 0;list-style:none}.reflow-vocabulary-popover__senses li{margin:0 0 4px;font-size:13px;line-height:1.5}.reflow-vocabulary-popover__senses li em{color:var(--muted);margin-right:6px;font-family:Georgia,Times New Roman,serif;font-style:italic}.reader--epub-night .reflow-vocabulary-popover__senses{border-top-color:#f4ebdd24}.reader--epub-night .reflow-vocabulary-popover__senses li em{color:#f4ebdd99}.reflow-vocabulary-popover__close{width:28px;height:28px;color:var(--muted);place-items:center;display:grid;position:absolute;top:8px;right:8px}.reader--epub-night .reflow-vocabulary-popover{color:var(--night-text);background:#202622;border-color:#f4ebdd29}.reader--epub-night .reflow-vocabulary-popover>span{color:#f4ebddad}.quiz-page,.quiz-result{max-width:540px;min-height:100dvh;padding:calc(14px + env(safe-area-inset-top)) 20px calc(88px + env(safe-area-inset-bottom));background:var(--paper);margin:0 auto}.quiz-topbar{grid-template-columns:44px 1fr 44px;align-items:center;min-height:44px;margin:0 -7px 22px;display:grid}.quiz-topbar>button{place-items:center;width:44px;height:44px;display:grid}.quiz-topbar>span{text-align:right;font-size:13px}.quiz-topbar>strong{text-align:center;font-family:Songti SC,serif}.quiz-dots{justify-content:center;gap:10px;display:flex}.quiz-dots span{background:#d5d0c7;border-radius:50%;width:12px;height:12px}.quiz-dots span.is-done{background:var(--green)}.quiz-dots span.is-current{background:var(--red)}.quiz-question{padding-top:2px}.question-type{color:var(--red);background:var(--red-soft);border:1px solid #efb5ae;border-radius:6px;padding:3px 8px;font-size:12px;display:inline-block}.question-type--short{color:var(--green);background:var(--green-soft);border-color:#bcd2bc}.quiz-question h1{margin:12px 0 18px;font-size:21px;line-height:1.6}.choice-list{gap:9px;display:grid}.choice-list>button{text-align:left;border:1px solid var(--line);background:#ffffff73;border-radius:9px;align-items:center;gap:8px;width:100%;min-height:52px;padding:11px 13px;transition:background .18s,border .18s;display:flex;position:relative}.choice-list>button:hover:not(.is-correct):not(.is-wrong){background:#fffefa;border-color:#c9bbad}.choice-list>button span{color:var(--muted)}.choice-list>button svg{margin-left:auto}.choice-list>button.is-correct{color:var(--green);background:var(--green-soft);border-color:#7ba379}.choice-list>button.is-wrong{color:var(--red);background:var(--red-soft);border-color:#ef9d94}.choice-feedback{background:#fff7f3;border:1px solid #efb5ae;border-radius:10px;gap:8px;margin-top:9px;padding:13px;display:flex}.choice-feedback.is-correct{color:var(--green);background:#f4f9f2;border-color:#b6cfb5}.choice-feedback>svg{flex:none;margin-top:1px}.choice-feedback strong{font-size:14px}.choice-feedback p{color:var(--ink);margin:5px 0 0;font-size:13px;line-height:1.55}.choice-feedback b{color:var(--green)}.short-answer textarea{resize:vertical;border:1px solid var(--line);background:#fffefb;border-radius:11px;width:100%;height:138px;padding:13px;line-height:1.6}.answer-count{text-align:right;color:var(--muted);margin:4px 3px 9px;font-size:11px}.short-answer .primary-button{width:100%}.grading-notice{color:var(--green);background:#f4f8f1;border:1px solid #bfd7bb;border-radius:11px;justify-content:center;gap:12px;margin-top:15px;padding:14px;display:flex}.grading-notice>div{gap:4px;display:grid}.grading-notice p{color:var(--muted);margin:0;font-size:12px}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.grade-card{background:#f8fbf5;border:1px solid #bed4b9;border-radius:11px;gap:12px;margin-top:14px;padding:13px;display:flex}.score-ring{border:5px solid var(--green);border-radius:50%;flex:none;place-content:center;width:57px;height:57px;line-height:1;display:grid}.score-ring b{font-size:20px}.score-ring span{font-size:9px}.grade-card strong{font-size:13px}.grade-card p{margin:4px 0;font-size:13px;line-height:1.55}.grade-card small{color:var(--green);font-size:11px}.quiz-footer{width:min(540px,100%);min-height:calc(65px + env(safe-area-inset-bottom));padding:9px 20px calc(9px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fcfaf5f5;justify-content:space-between;align-items:center;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.quiz-footer>button:not(.primary-button){color:var(--muted);font-size:14px}.quiz-footer .primary-button{min-width:115px}.result-hero{border-bottom:1px solid var(--line);align-items:center;gap:18px;padding:14px 0 22px;display:flex}.result-score{border:7px solid var(--green);width:93px;height:93px;color:var(--green);border-radius:50%;flex:none;place-content:center;line-height:1;display:grid}.result-score b{font-size:35px}.result-score span{text-align:center;font-size:12px}.result-hero h1{margin:0 0 6px;font-size:21px}.result-hero p{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.result-list{margin:17px 0}.result-list article{border-bottom:1px solid var(--line);padding:14px 0}.result-list__title{align-items:flex-start;gap:9px;display:flex}.result-list__title>span{color:#fff;background:var(--ink);border-radius:50%;flex:none;place-content:center;width:21px;height:21px;font-size:11px;display:grid}.result-list__title strong{flex:1;font-size:14px;line-height:1.55}.result-list__title>svg{color:var(--green);flex:none}.result-list__title>svg[data-lucide=circle-x]{color:var(--red)}.result-list__title em{color:var(--green);font-size:13px;font-style:normal}.result-list__body{margin:8px 0 0 30px}.result-list__body p{color:var(--muted);margin:5px 0;font-size:13px;line-height:1.6}.result-list__body b{color:var(--ink)}.result-footer{justify-content:space-between;gap:10px;display:flex}.result-footer .primary-button{min-width:145px}.mistakes-intro{color:#866330;background:#fff7e9;border-radius:10px;align-items:center;gap:9px;padding:11px 12px;font-size:13px;display:flex}.mistakes-intro p{margin:0;line-height:1.55}.mistake-list{margin-top:15px}.mistake-list article{border-bottom:1px solid var(--line);grid-template-columns:31px 1fr;gap:9px;padding:14px 0;display:grid}.mistake-list__flag{color:var(--red);padding-top:3px}.mistake-list span{color:var(--muted);font-size:12px}.mistake-list h2{margin:4px 0;font-family:inherit;font-size:15px;line-height:1.55}.mistake-list p{color:var(--muted);margin:0 0 8px;font-size:12px}.mistake-list button{color:var(--red);align-items:center;gap:4px;font-size:13px;display:inline-flex}.settings-page{padding-bottom:calc(98px + env(safe-area-inset-bottom))}.settings-section{margin:21px 0}.settings-section>h2{margin:0 0 10px;font-family:inherit;font-size:15px;font-weight:500}.settings-device,.storage-card{border:1px solid var(--line);background:#ffffff61;border-radius:11px}.settings-device{grid-template-columns:92px 1fr 21px;align-items:center;gap:9px;min-height:104px;padding:12px;display:grid}.mini-machine{background:linear-gradient(170deg,#dedbd4,#a8a8a4 60%,#d5d1ca);border-radius:9px;width:88px;height:49px;position:relative;box-shadow:inset 0 1px 1px #fff,0 4px 7px #1f1f1d2e}.mini-machine:before{content:"";border:1px solid #666;border-radius:50%;width:23px;height:12px;position:absolute;top:6px;left:50%;transform:translate(-50%)}.mini-machine span{background:#555;border-radius:50%;width:2px;height:2px;position:absolute;bottom:5px}.mini-machine span:first-child{left:15px}.mini-machine span:nth-child(2){left:20px}.mini-machine span:nth-child(3){left:25px}.settings-device strong{font-family:Songti SC,serif;font-size:18px;font-weight:500}.settings-device strong .status-dot{vertical-align:2px;margin:0 4px 0 8px}.settings-device p{color:var(--muted);margin:8px 0 0;font-size:12px}.settings-list{border:1px solid var(--line);border-radius:11px;overflow:hidden}.settings-list>button,.settings-list>div{text-align:left;border-bottom:1px solid var(--line);grid-template-columns:25px 1fr 20px;align-items:center;gap:9px;width:100%;min-height:66px;padding:11px 13px;display:grid}.settings-list>button:last-child,.settings-list>div:last-child{border:0}.settings-list>button:hover{background:var(--paper-deep)}.settings-list span{gap:4px;min-width:0;display:grid}.settings-list strong{font-size:14px;font-weight:500}.settings-list small{color:var(--muted);font-size:12px}.settings-more{color:var(--red);align-items:center;gap:3px;margin-top:8px;font-size:13px;display:flex}.storage-card{padding:13px}.storage-card>div{align-items:center;gap:7px;display:flex}.storage-card strong{font-size:14px}.storage-card span{color:var(--muted);margin-left:auto;font-size:12px}.storage-card .progress-line{margin:13px 3px 7px}.storage-card p{color:var(--muted);margin:0;font-size:12px}.task-row{grid-template-columns:29px 1fr auto;align-items:center;gap:8px;min-height:61px;display:grid}.task-row__icon{color:var(--muted);place-items:center;display:grid}.task-row__icon--done{color:var(--green)}.task-row__icon--failed{color:var(--red)}.task-row>div{gap:3px;min-width:0;display:grid}.task-row strong{white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.task-row small{color:var(--muted);font-size:11px}.task-row>button{color:var(--red);font-size:12px}.task-queue-modal>div{border-bottom:1px solid var(--line);padding:8px 0}.task-queue-modal>div:last-child{border:0}.task-queue-modal p{color:var(--muted);margin:2px 0 0 37px;font-size:11px}.task-queue-modal b{color:var(--ink);font-weight:500}.stats-hero{grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0;display:grid}.stats-hero div{border:1px solid var(--line);background:#fff6;border-radius:13px;place-content:center;justify-items:center;gap:5px;min-height:111px;display:grid}.stats-hero svg{color:var(--red)}.stats-hero b{font-family:Songti SC,serif;font-size:28px}.stats-hero span{color:var(--muted);font-size:11px}.stats-total{background:#f5f0e6;border-radius:12px;align-items:center;gap:10px;margin:20px 0;padding:14px;display:flex}.stats-total svg{color:var(--green)}.stats-total div{gap:3px;display:grid}.stats-total span{color:var(--muted);font-size:12px}.stats-total strong{font-family:Songti SC,serif;font-size:17px}.stats-book-section h2{margin-bottom:9px;font-size:17px}.stats-book-section article{border-bottom:1px solid var(--line);padding:12px 0}.stats-book-section article>div{justify-content:space-between;gap:10px;font-size:14px;display:flex}.stats-book-section span{color:var(--muted);font-size:12px}.stats-bar{background:#ddd7cd;border-radius:99px;height:5px;margin-top:9px;display:block;overflow:hidden}.stats-bar>span{background:var(--green);border-radius:99px;height:100%;display:block}.toast-region{z-index:120;left:50%;top:calc(14px + env(safe-area-inset-top));pointer-events:none;gap:8px;width:min(450px,100% - 28px);display:grid;position:fixed;transform:translate(-50%)}.toast{pointer-events:auto;color:#fff;background:#26231ff0;border-radius:11px;align-items:center;gap:8px;min-height:46px;padding:10px 11px;font-size:13px;animation:.25s ease-out toast-in;display:flex;box-shadow:0 9px 27px #231a1138}.toast--success{background:#425a48}.toast--error{background:#8e332d}.toast span{flex:1}.toast button{color:inherit;place-items:center;display:grid}.inline-notice{color:#70614d;background:#fbf5e6;border:1px solid #eadbc0;border-radius:10px;align-items:flex-start;gap:7px;margin:13px 0;padding:10px 11px;font-size:12px;line-height:1.5;display:flex}.inline-notice--success{color:var(--green);background:var(--green-soft);border-color:#d0dfcd}.inline-notice--warning{color:#866330}.inline-notice svg{flex:none;margin-top:1px}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.login-page{background:var(--paper);place-content:center;min-height:100dvh;padding:30px 23px;display:grid;position:relative;overflow:hidden}.login-page__paper{opacity:.5;background:radial-gradient(circle at 30% 20%,#dec9a652,#0000 20%),radial-gradient(circle at 70% 80%,#dac2992e,#0000 28%),repeating-linear-gradient(90deg,#0000 0 9px,#785d3306 10px);position:absolute;inset:-30%;transform:rotate(-6deg)}.login-card{width:min(400px,100%);box-shadow:var(--shadow);background:#fffefac2;border:1px solid #dcd3c6db;border-radius:19px;padding:28px 23px;position:relative}.login-mark{color:var(--red);letter-spacing:.1em;align-items:center;gap:7px;font-family:Songti SC,serif;font-size:23px;display:flex}.login-copy{margin:26px 0 21px}.login-copy h1{margin:0 0 8px;font-size:27px}.login-copy p{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.password-field{border:1px solid var(--line);height:47px;color:var(--muted);background:#ffffffa8;border-radius:11px;align-items:center;gap:8px;padding:0 12px;display:flex}.password-field input{background:0 0;border:0;outline:0;flex:1;min-width:0}.password-field button{place-items:center;display:grid}.remember-row{color:var(--muted);align-items:center;gap:8px;margin:14px 0;font-size:13px;display:flex}.remember-row input{accent-color:var(--red)}.login-submit{width:100%;min-height:48px}.demo-hint{color:#9b8b78;margin:16px 2px 0;font-size:11px;line-height:1.6}@media (width>=700px){.app-shell{border-radius:12px;min-height:min(920px,100dvh);max-height:100dvh;overflow:auto}.reader{max-width:min(1024px,100vw)}.reader--pdf .pdf-canvas{padding-left:24px;padding-right:24px}.book-detail{max-width:850px;margin:auto}.book-hero{grid-template-columns:210px 1fr}.book-hero__copy h1{font-size:35px}.settings-page,.summary-page,.stats-page{max-width:760px;margin:auto}.book-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width>=820px) and (orientation:landscape){.reader--pdf .pdf-canvas{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:2px;padding-left:4vw;padding-right:4vw}.reader--pdf .pdf-page{width:100%}.reader--pdf .pdf-canvas__adjacent{display:block}.reader--pdf .pdf-page{height:min(100%,810px)}.reader--pdf .pdf-canvas__adjacent .pdf-page{margin-left:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.reader--reflow .reflow-content--paginated .reflow-figure{width:min(100%, calc((var(--reflow-page-height,700px) - 112px) * var(--figure-aspect)));margin-left:auto;margin-right:auto}.task-history-link{color:var(--red);text-underline-offset:2px;margin-left:8px;text-decoration:underline}.task-history-list{border-left:1px solid var(--line);gap:17px;margin:18px 0 0;padding:0 0 0 12px;list-style:none;display:grid}.task-history-list li{gap:4px;padding-left:14px;display:grid;position:relative}.task-history-list li:before{content:"";background:var(--red);width:7px;height:7px;box-shadow:0 0 0 4px var(--paper);border-radius:50%;position:absolute;top:5px;left:-16px}.task-history-list span,.task-history-list small{color:var(--muted);font-size:11px}.task-history-list strong{font-size:13px;font-weight:600}.task-history-list p{margin:0;font-size:12px;line-height:1.55}.task-history-list .task-history-error{color:var(--red)}.reflow-section__source-title{color:var(--muted);letter-spacing:.01em;margin:-8px 0 24px;font-family:Georgia,Times New Roman,serif;font-size:.72em;font-style:italic}.directory-list__source-title{font-family:Georgia,Times New Roman,serif;font-style:italic}:root{--folia-paper:#faf9f6;--folia-ink:#203950;--folia-muted:#5a7088;--folia-line:#dfdfda;--folia-serif:"Songti SC", "Noto Serif CJK SC", "STSong", serif}body{background:var(--folia-paper);color:var(--folia-ink)}button,input,select,textarea{font-family:inherit}.app-shell{background:var(--folia-paper)}.app-shell__frame{background:var(--folia-paper);max-width:760px;margin:auto}.app-page{background:var(--folia-paper);padding:24px 24px 110px}.primary-button,.tiny-primary{color:#fff;box-shadow:none;background:#344c64;border-color:#344c64;border-radius:8px}.primary-button{justify-content:center;align-items:center;gap:12px;min-height:44px;font-size:16px;font-weight:500;display:inline-flex}.primary-button:disabled{opacity:.5;cursor:not-allowed}.folia-full{width:100%}.icon-button{width:40px;height:40px;color:var(--folia-ink)}.folia-brand{white-space:nowrap;align-items:center;gap:9px;display:flex}.folia-brand img{object-fit:contain;width:34px;height:38px}.folia-brand strong{letter-spacing:-.5px;font-family:Arial,sans-serif;font-size:23px}.folia-brand span{color:var(--folia-muted);letter-spacing:0;font-size:20px;font-weight:400}.folia-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.folia-header>div:last-child{gap:3px;display:flex}.folia-title{font:600 44px/1.25 var(--folia-serif);letter-spacing:1px;margin:0 0 5px}.folia-lead{font:16px/1.7 var(--folia-serif);color:var(--folia-muted);margin:0 0 24px}.folia-current{border-bottom:1px solid var(--folia-line);grid-template-columns:104px minmax(0,1fr);gap:22px;padding:0 0 22px;display:grid}.folia-current .book-cover-wrap,.folia-detail-book .book-cover-wrap{aspect-ratio:2/3;border-radius:4px;width:100%;height:100%;min-height:0;box-shadow:0 3px 7px #20395018}.folia-cover-button{background:0 0;border:0;width:104px;height:147px;padding:0}.folia-book-title{font:600 25px/1.3 var(--folia-serif);text-align:left;color:var(--folia-ink);background:0 0;border:0;margin:0 0 6px;padding:0}.folia-current p{font:14px var(--folia-serif);color:var(--folia-muted);margin:0 0 12px}.folia-current small,.folia-book-row small,.folia-detail small{color:var(--folia-muted);font-size:12px}.folia-current .progress-line{height:5px;margin:7px 0 15px;display:block}.progress-line{background:#e0e1e0}.progress-line>span{background:#344c64}.folia-section-title{justify-content:space-between;align-items:center;gap:10px;margin:17px 0 14px;display:flex}.folia-section-title h2{font:600 20px/1.4 var(--folia-serif);margin:0}.folia-section-title button,.folia-recent footer button,.folia-note-card footer button,.folia-detail-note button,.folia-summary button{color:var(--folia-muted);background:0 0;border:0;align-items:center;gap:6px;padding:4px 0;font-size:12px;display:inline-flex}.folia-recent{border-bottom:1px solid var(--folia-line);padding-bottom:16px}.folia-recent article{border-left:2px solid #9eabba;padding-left:17px}.folia-label{color:#73684e;background:#fbf0d5;padding:1px 5px;font-size:10px;line-height:1.5;display:inline-block}.folia-recent h3{font:500 18px/1.5 var(--folia-serif);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:5px 0 9px;display:-webkit-box;overflow:hidden}.folia-recent footer{color:var(--folia-muted);justify-content:space-between;align-items:center;display:flex}.folia-recent footer small{font-size:11px}.folia-book-row{border-bottom:1px solid var(--folia-line);align-items:center;padding:11px 0;display:flex}.folia-book-row:last-child{border:0}.folia-row-main{text-align:left;min-width:0;color:inherit;background:0 0;border:0;flex:1;align-items:center;gap:16px;padding:0;display:flex}.folia-row-main .book-cover-wrap{border-radius:3px;flex:0 0 53px;width:53px;height:74px;box-shadow:0 2px 5px #20395014}.folia-row-main>span{min-width:0}.folia-row-main strong{font:500 17px/1.4 var(--folia-serif);display:block}.folia-row-main small{margin-top:4px;line-height:1.4;display:block}.folia-row-progress{flex:0 0 75px;margin-left:auto}.folia-row-progress .progress-line{height:4px;margin-top:7px;display:block}.folia-row-progress small{font-size:11px}.folia-first-book{border-bottom:1px solid var(--folia-line);padding:32px 0 40px}.folia-first-book h2{font:500 24px/1.5 var(--folia-serif);margin-bottom:10px}.folia-first-book p{font:16px/1.8 var(--folia-serif);color:var(--folia-muted);margin-bottom:24px}.bottom-navigation{background:var(--folia-paper);border-top:1px solid var(--folia-line);width:100%;max-width:760px;box-shadow:none;padding-bottom:max(10px, env(safe-area-inset-bottom));grid-template-columns:repeat(4,1fr)}.bottom-navigation button{color:var(--folia-muted);min-height:58px;font-size:12px}.bottom-navigation button.is-active{color:var(--folia-ink)}.bottom-navigation button.is-active:before{display:none}.folia-detail-header{font:17px var(--folia-serif);justify-content:space-between;align-items:center;gap:16px;margin:-5px -8px 24px;display:flex}.folia-detail-book{grid-template-columns:116px minmax(0,1fr);gap:22px;margin-bottom:24px;display:grid}.folia-detail-book>.book-cover-wrap{height:164px}.folia-detail-book h1{font:600 29px/1.25 var(--folia-serif);overflow-wrap:anywhere;margin:5px 0 9px}.folia-detail-book p{color:var(--folia-muted);font:15px/1.5 var(--folia-serif);margin:0 0 10px}.folia-status{color:var(--folia-muted);background:#eef1f3;padding:3px 9px;font-size:12px;display:inline-block}.folia-detail-progress{margin:14px 0 5px!important}.folia-detail-book .progress-line{height:5px;margin-bottom:9px;display:block}.folia-detail-tabs,.folia-note-filters{border-bottom:1px solid var(--folia-line);justify-content:space-between;gap:12px;margin:22px 0 18px;display:flex}.folia-detail-tabs button{font:17px var(--folia-serif);color:var(--folia-muted);background:0 0;border:0;flex:1;padding:14px 3px;position:relative}.folia-detail-tabs button.active:after,.folia-note-filters button.active:after{content:"";background:var(--folia-ink);border-radius:2px;height:3px;position:absolute;bottom:-1px;left:20%;right:20%}.folia-detail-tabs button.active{color:var(--folia-ink);font-weight:600}.folia-chapter{text-align:left;border:0;border-bottom:1px solid var(--folia-line);width:100%;min-height:47px;color:var(--folia-ink);font:16px/1.4 var(--folia-serif);background:0 0;align-items:center;gap:13px;padding:9px 7px;display:flex}.folia-chapter>span{color:var(--folia-muted);font-size:14px}.folia-chapter strong{flex:1;font-weight:400}.folia-chapter small{white-space:nowrap;font-size:10px}.folia-chapter.current{background:#eaf0f5;border-left:3px solid #344c64;border-radius:4px}.folia-processing{color:var(--folia-muted);margin-top:15px;font-size:14px;line-height:1.7}.folia-load-more{width:100%;color:var(--folia-muted);background:0 0;border:0;padding:18px;font-size:13px;display:block}.folia-summary,.folia-detail-note{font:17px/1.9 var(--folia-serif);border-bottom:1px solid var(--folia-line);padding:10px 0}.folia-summary h2{font:600 21px/1.5 var(--folia-serif)}.folia-summary p{white-space:pre-line}.folia-detail-note blockquote{background:#faf0d6;margin:0;padding:5px 10px}.folia-notes .search-box,.folia-shelf .search-box{border:1px solid var(--folia-line);background:0 0;border-radius:7px;height:44px;margin:18px 0}.folia-note-filters{align-items:center;gap:5px;margin:12px 0 0}.folia-note-filters>div{gap:20px;display:flex}.folia-note-filters button{color:var(--folia-muted);white-space:nowrap;background:0 0;border:0;padding:12px 0 16px;font-size:13px;position:relative}.folia-note-filters button.active{color:var(--folia-ink);font-weight:600}.folia-note-filters select{color:var(--folia-muted);background:0 0;border:0;width:96px;padding:6px 0;font-size:12px}.folia-note-card{border-bottom:1px solid var(--folia-line);grid-template-columns:74px minmax(0,1fr);gap:16px;padding:20px 0 14px;display:grid}.folia-note-card>.book-cover-wrap{border-radius:4px;width:74px;height:109px;box-shadow:0 3px 7px #20395012}.folia-note-card header{justify-content:space-between;align-items:start;gap:6px;display:flex}.folia-note-card h2{font:600 18px/1.4 var(--folia-serif);margin:0 0 3px}.folia-note-card header button{color:var(--folia-muted);background:0 0;border:0;padding:0 0 5px 5px}.folia-note-card small{color:var(--folia-muted);margin-bottom:9px;font-size:11px;display:block}.folia-note-card blockquote{font:14px/1.6 var(--folia-serif);background:#faf0d6;border-left:2px solid #ddc78a;margin:0 0 8px;padding:3px 7px}.folia-note-card p{font:17px/1.65 var(--folia-serif);white-space:pre-wrap;overflow-wrap:anywhere;margin:3px 0 8px}.folia-note-card footer{text-align:right}.folia-field{color:var(--folia-ink);flex-direction:column;gap:8px;margin:18px 0;font-size:14px;display:flex}.folia-field input,.folia-field textarea,.folia-field select{width:100%;color:var(--folia-ink);background:0 0;border:1px solid #d8dad8;border-radius:6px;min-width:0;padding:12px;font-size:16px}.folia-field textarea{resize:vertical;min-height:100px;line-height:1.7}.folia-field .password-field{background:0 0;border:1px solid #d8dad8;border-radius:6px;display:flex}.folia-field .password-field input{border:0;flex:1}.folia-field .password-field button{color:var(--folia-muted);background:0 0;border:0;padding:0 14px}.folia-delete-note{float:right;color:#9a453c;background:0 0;border:0;min-height:44px;padding:10px}.modal-sheet{background:var(--folia-paper)}.folia-auth{background:var(--folia-paper);place-items:center;min-height:100dvh;padding:35px 25px;display:grid}.folia-auth-card{width:100%;max-width:390px}.folia-auth-card h1{font:500 37px/1.4 var(--folia-serif);margin:44px 0 12px}.folia-auth-card>p{font:16px/1.7 var(--folia-serif);color:var(--folia-muted);margin:0 0 30px}.folia-auth-switch,.folia-owner-link{width:100%;color:var(--folia-muted);background:0 0;border:0;margin:8px 0;padding:14px;font-size:14px;display:block}.folia-auth-emblem{border:1px solid var(--folia-line);color:#4c7964;border-radius:50%;place-items:center;width:50px;height:50px;margin-top:34px;display:grid}.folia-auth-emblem+h1{margin-top:22px}.folia-account-email{border:1px solid var(--folia-line);overflow-wrap:anywhere;border-radius:12px;padding:20px}.folia-account-email>div{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.folia-account-email p{color:var(--folia-muted);font-size:14px;line-height:1.7}.folia-email-verified{color:#4c7964;font-size:13px}.folia-auth button:disabled,.folia-account-email button:disabled{cursor:wait;opacity:.6}.folia-owner-link{margin:0;font-size:12px}.reader{--paper:var(--folia-paper);--ink:var(--folia-ink)}.reader--epub-paper,.reader--reflow-paper{background:var(--folia-paper);color:var(--folia-ink)}.reader-topbar,.reader-bottom{box-shadow:none}.epub-content,.reflow-page{font-family:var(--folia-serif)}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:3px;outline:2px solid #6b839c}@media (width>=700px){.app-page{padding:32px 48px 110px}.folia-current{grid-template-columns:130px 1fr;gap:30px}.folia-cover-button{width:130px;height:183px}.folia-title{font-size:48px}.folia-current .primary-button{margin-top:10px}.folia-current .folia-book-title{font-size:29px}.folia-row-progress{flex-basis:95px}.folia-detail-book{grid-template-columns:145px 1fr}.folia-detail-book>.book-cover-wrap{height:205px}.folia-note-card{grid-template-columns:90px 1fr;gap:24px}.folia-note-card>.book-cover-wrap{width:90px;height:132px}}@media (width<=360px){.app-page{padding-left:18px;padding-right:18px}.folia-title{font-size:39px}.folia-current{grid-template-columns:90px 1fr;gap:16px}.folia-cover-button{width:90px;height:132px}.folia-row-main{gap:10px}.folia-note-filters>div{gap:14px}}.folia-cover-button .book-cover,.folia-detail-book>.book-cover-wrap .book-cover,.folia-note-card>.book-cover-wrap .book-cover,.folia-row-main .book-cover{aspect-ratio:auto;height:100%}.folia-row-main .book-cover strong{font-size:15px}.folia-note-card .book-cover strong{font-size:21px}.folia-row-main .book-cover__author,.folia-row-main .book-cover__stamp{display:none}:root{--paper:var(--folia-paper);--ink:var(--folia-ink);--muted:var(--folia-muted);--line:var(--folia-line);--red:#344c64;--red-soft:#eaf0f5}.app-shell{max-width:760px;box-shadow:none}.reader{max-width:760px;margin:auto}.epub-footer,.reader-footer{width:min(760px,100%)}.reader-topbar{background:var(--folia-paper);border-color:var(--folia-line);min-height:68px}.reader-topbar strong{font-size:18px}.reader-topbar span{font-size:12px}.epub-content{padding-top:104px;padding-bottom:165px}.epub-content h1{text-align:left;text-wrap:balance;margin:0 0 1em;font-size:1.7em;line-height:1.45}.folia-reader-footer{background:var(--folia-paper);padding:5px 22px 8px}.folia-reader-progress{align-items:center;gap:10px;display:flex}.folia-reader-progress input{accent-color:#344c64;width:100%}.folia-reader-progress button{min-height:30px;color:var(--folia-ink)}.folia-reader-progress button:disabled{opacity:.25}.folia-reader-position{color:var(--folia-muted);justify-content:space-between;margin:2px 0 10px;font-size:12px;display:flex}.folia-epub-tools{border-top:1px solid var(--folia-line);grid-template-columns:repeat(3,1fr);padding-top:8px}.folia-epub-tools button{color:var(--folia-ink);font-size:12px}.reader--epub-night .folia-reader-footer{background:#202622}.reader--epub-night .folia-reader-position,.reader--epub-night .folia-epub-tools button,.reader--epub-night .folia-reader-progress button{color:#e7e4dc}.folia-current .primary-button{min-width:140px;font-weight:400}.folia-note-card .book-cover__stamp{font-size:7px}.folia-note-card .book-cover__author{font-size:8px}