pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
  Theme: GitHub
  Description: Light theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-light
  Current colors taken from GitHub's CSS
*/.hljs{color:#24292e;background:#fff}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#005cc5}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#032f62}.hljs-built_in,.hljs-symbol{color:#e36209}.hljs-comment,.hljs-code,.hljs-formula{color:#6a737d}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#22863a}.hljs-subst{color:#24292e}.hljs-section{color:#005cc5;font-weight:700}.hljs-bullet{color:#735c0f}.hljs-emphasis{color:#24292e;font-style:italic}.hljs-strong{color:#24292e;font-weight:700}.hljs-addition{color:#22863a;background-color:#f0fff4}.hljs-deletion{color:#b31d28;background-color:#ffeef0}*{box-sizing:border-box}:root{--c-bg: #ffffff;--c-bg-soft: #f8f8f9;--c-bg-mute: #f1f1f3;--c-surface: #ffffff;--c-surface-warm: #fafaf7;--c-border: rgba(0, 0, 0, .12);--c-border-strong: rgba(0, 0, 0, .25);--c-text: #1f2329;--c-text-soft: rgba(0, 0, 0, .7);--c-text-dim: rgba(60, 60, 60, .5);--c-text-faint: rgba(60, 60, 60, .3);--c-muted: rgba(60, 60, 60, .5);--c-primary: #0052d9;--c-primary-soft: #e8f3ff;--c-warn: #d97706;--c-warn-soft: #fff7e6;--c-success: #059669;--c-success-soft: #e6f4ea;--c-highlight: #fff3a0;--c-highlight-comment: #ffd84d;--c-code-bg: rgba(153, 161, 179, .08);--c-code-border: rgba(0, 0, 0, .06);--c-code-text: #476582;--sidebar-w: 264px;--content-w: 920px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius: var(--radius-md);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 0 rgba(0, 0, 0, .06);--shadow: 0 3px 12px rgba(0, 0, 0, .06), 0 1px 4px rgba(0, 0, 0, .07);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .1), 0 2px 6px rgba(0, 0, 0, .08);--z-sidebar: 50;--z-sticky: 60;--z-dropdown: 70;--z-backdrop: 100;--z-modal: 200;--z-popover: 210;--z-tooltip: 220;--z-toast: 230;--hl-1: #fff3a0;--hl-2: #bfe3ff;--hl-3: #c8f0c8;--hl-4: #ffc8e0;--hl-current: var(--hl-1);--reading-font-size: 16px;--reading-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--reading-bg: #ffffff;--reading-text: #1f2329;--reading-line-height: 1.85;--reading-stage: #eceae3;--reading-page: #ffffff;--svg-text: #1f2329;--svg-text-dim: #6b7280;--svg-line: #9ca3af;--svg-box: #f7f8fa;--svg-box-accent: #e8f3ff}[data-theme=dark]{--c-bg: #121212;--c-bg-soft: #1a1a1d;--c-bg-mute: #26262a;--c-surface: #1a1a1d;--c-surface-warm: #1a1a1d;--c-border: rgba(255, 255, 255, .12);--c-border-strong: rgba(255, 255, 255, .25);--c-text: rgba(255, 255, 245, .93);--c-text-soft: rgba(255, 255, 245, .65);--c-text-dim: rgba(235, 235, 235, .4);--c-text-faint: rgba(235, 235, 235, .18);--c-muted: rgba(235, 235, 235, .4);--c-primary: #60a5fa;--c-primary-soft: rgba(96, 165, 250, .15);--c-warn: #fbbf24;--c-warn-soft: rgba(251, 191, 36, .12);--c-success: #34d399;--c-success-soft: rgba(52, 211, 153, .12);--c-highlight: #854d0e;--c-highlight-comment: #a16207;--c-code-bg: rgba(255, 255, 255, .06);--c-code-border: rgba(255, 255, 255, .05);--c-code-text: #c9def1;--reading-bg: #1a1a1d;--reading-text: rgba(255, 255, 245, .88);--reading-stage: #15151a;--reading-page: #1e1e22;--svg-text: rgba(255, 255, 245, .93);--svg-text-dim: rgba(255, 255, 245, .55);--svg-line: rgba(255, 255, 255, .3);--svg-box: #1a1a1d;--svg-box-accent: rgba(96, 165, 250, .18);--shadow: 0 3px 12px rgba(0, 0, 0, .4), 0 1px 4px rgba(0, 0, 0, .3);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .6)}[data-theme=dark] .readerTopBar{background:#1a1a1dc7}html,body{margin:0;padding:0;background:var(--reading-bg);color:var(--c-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}#root{min-height:100vh}.reader{min-height:100vh;position:relative;background:var(--reading-stage)}.app_content{max-width:1100px;margin:0 auto;padding:80px 24px 100px;min-height:100vh;position:relative;color:var(--reading-text);font-size:var(--reading-font-size);line-height:var(--reading-line-height);font-family:var(--reading-font-family);display:flex;gap:24px;align-items:flex-start}.app_content--page,.app_content--scroll{display:block;max-width:1200px;margin:0 auto;padding:64px 32px 100px}.app_content--page .reader__article,.app_content--scroll .reader__article{background:var(--reading-page);border-radius:var(--radius-md);box-shadow:var(--shadow);padding:56px 64px;width:100%}.app_content--page .reader__article:before{content:none}.app_content:not(.app_content--page):not(.app_content--scroll) .reader__article{background:var(--reading-page);border-radius:var(--radius-md);box-shadow:var(--shadow);padding:56px 64px;width:100%}.readerTopBar{position:fixed;top:0;left:0;right:0;height:52px;background:#ffffffc7;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--c-border);z-index:var(--z-sticky);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.readerTopBar__trigger{display:none}.readerTopBar__left{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.readerTopBar__book-icon{width:22px;height:22px;border-radius:4px;background:linear-gradient(135deg,#f87171,#dc2626);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;flex:none;box-shadow:var(--shadow-sm)}.readerTopBar__book-title{font-size:14px;font-weight:600;color:var(--c-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.readerTopBar__add-shelf{display:inline-flex;align-items:center;gap:4px;margin-left:6px;padding:3px 10px;font-size:12px;color:var(--c-text-soft);background:transparent;border:1px solid var(--c-border);border-radius:999px;cursor:pointer;font-family:inherit;transition:color .15s,border-color .15s,background .15s}.readerTopBar__add-shelf:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft)}.readerTopBar__add-shelf.is-added{color:var(--c-text-dim);border-color:var(--c-border);background:transparent;cursor:default}.readerTopBar__right{display:flex;align-items:center;gap:4px;flex:none}.readerTopBar__nav-link{padding:6px 12px;font-size:13px;color:var(--c-text-soft);background:transparent;border:none;cursor:pointer;font-family:inherit;border-radius:var(--radius-md);transition:background .15s,color .15s}.readerTopBar__nav-link:hover{background:var(--c-bg-soft);color:var(--c-text)}.readerTopBar__avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#60a5fa,#a78bfa);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-left:4px;cursor:pointer;box-shadow:var(--shadow-sm)}.readerTopBar__sep,.readerTopBar__chapter-title,.readerTopBar__btn,.readerTopBar__btn--primary{display:none}.readerControls{position:fixed;right:24px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;z-index:var(--z-sticky)}.readerControls__trigger{display:none}.readerControls__item{position:relative;width:48px;height:48px;border-radius:8px;border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text-soft);cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:inherit;box-shadow:var(--shadow-sm);transition:background .15s,color .15s,border-color .15s,transform .15s}.readerControls__item:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary);transform:scale(1.06)}.readerControls__item.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}.readerControls__item svg{display:block}.readerControls__label{position:absolute;right:calc(100% + 8px);top:50%;transform:translateY(-50%);background:var(--c-text);color:var(--c-bg);font-size:12px;padding:4px 10px;border-radius:4px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s}.readerControls__item:hover .readerControls__label{opacity:1}.readerFooter{position:fixed;bottom:20px;left:0;right:0;display:flex;justify-content:space-between;padding:0 32px;z-index:var(--z-sticky);pointer-events:none}.readerFooter__btn{pointer-events:auto;display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text-soft);font-size:13px;font-family:inherit;cursor:pointer;border-radius:999px;box-shadow:var(--shadow-sm);transition:background .15s,color .15s,border-color .15s,transform .15s}.readerFooter__btn:hover:not(:disabled){background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary)}.readerFooter__btn:disabled{opacity:.35;cursor:not-allowed}.readerFooter__btn--next{color:var(--c-primary);border-color:var(--c-primary-soft);background:var(--c-surface)}.readerFooter__btn--next:hover:not(:disabled){background:var(--c-primary);color:#fff;border-color:var(--c-primary)}.readerCatalog{position:fixed;top:0;right:0;width:480px;max-width:96vw;height:100vh;background:var(--c-surface-warm);border-left:1px solid var(--c-border);box-shadow:var(--shadow-lg);z-index:var(--z-modal);display:flex;flex-direction:column;transform:translate(100%);transition:transform .25s ease-out}.readerCatalog.is-open{transform:translate(0)}.readerCatalog__header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-border);flex:none}.readerCatalog__title{font-size:16px;font-weight:600;color:var(--c-text)}.readerCatalog__close{border:none;background:transparent;color:var(--c-text-soft);font-size:22px;cursor:pointer;padding:4px 8px;border-radius:4px;line-height:1}.readerCatalog__close:hover{background:var(--c-bg-soft);color:var(--c-text)}.readerCatalog__search{margin:12px 16px;padding:8px 12px;border:1px solid var(--c-border);border-radius:var(--radius-md);background:var(--c-surface);color:var(--c-text-soft);font-size:13px;font-family:inherit;cursor:pointer;display:flex;align-items:center;gap:8px;flex:none;transition:border-color .15s,color .15s}.readerCatalog__search:hover{border-color:var(--c-primary);color:var(--c-primary)}.readerCatalog__list{list-style:none;margin:0;padding:8px 12px;overflow-y:auto;flex:1;min-height:0}.readerCatalog__item{position:relative;display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;cursor:pointer;color:var(--c-text);font-size:14px;border:none;background:transparent;border-radius:8px;text-align:left;font-family:inherit;transition:background .12s,color .12s}.readerCatalog__item:hover{background:#0000000e}.readerCatalog__item.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}.readerCatalog__item-num{width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--c-text-dim);background:#0000000d;border-radius:6px;flex:none;font-variant-numeric:tabular-nums}.readerCatalog__item:hover .readerCatalog__item-num{background:#00000017;color:var(--c-text-soft)}.readerCatalog__item.is-active .readerCatalog__item-num{background:var(--c-primary);color:#fff}.readerCatalog__item-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.readerCatalog__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;z-index:calc(var(--z-modal) - 1);opacity:0;pointer-events:none;transition:opacity .25s ease-out}.readerCatalog__backdrop.is-open{opacity:1;pointer-events:auto}.readerCatalog__book-info{display:flex;align-items:center;gap:12px;margin:14px 14px 8px;padding:12px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:12px;flex:none}.readerCatalog__book-cover{width:40px;height:54px;border-radius:6px;background:linear-gradient(135deg,#4a90e2,#3574d4);color:#fff;box-shadow:0 2px 6px #3574d447;display:flex;align-items:center;justify-content:center;flex:none}.readerCatalog__book-meta{min-width:0;flex:1}.readerCatalog__book-title{font-size:15px;font-weight:600;color:var(--c-text);line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.readerCatalog__book-author{font-size:12px;color:var(--c-text-dim);margin-top:4px}.readerCatalog__search-row{display:flex;align-items:center;gap:8px;margin:4px 14px 10px;padding:0 12px;background:#0000000b;border-radius:999px;color:var(--c-text-dim);flex:none;transition:background .15s}.readerCatalog__search-row:focus-within{background:#00000012;color:var(--c-text-soft)}.readerCatalog__search-input{flex:1;border:none;background:transparent;padding:8px 0;font-size:13px;font-family:inherit;color:var(--c-text);outline:none}.readerCatalog__search-input::placeholder{color:var(--c-text-faint)}.readerCatalog__chapter{position:relative}.readerCatalog__chapter-row{display:flex;align-items:center}.readerCatalog__add-bookmark{flex:none;background:transparent;border:none;color:var(--c-primary);font-size:12px;cursor:pointer;padding:4px 8px;border-radius:4px;white-space:nowrap;transition:background .15s}.readerCatalog__add-bookmark:hover{background:var(--c-primary-soft)}.readerCatalog__add-bookmark.is-added{color:var(--c-text-soft);background:#0000000d}.readerCatalog__add-bookmark.is-added:hover{color:#d92d20;background:#fee2e2}.readerCatalog__sections{list-style:none;margin:2px 0 8px 22px;padding:0 0 0 10px;border-left:1px solid var(--c-border)}.readerCatalog__section-item{display:block;width:100%;padding:6px 10px;border:none;background:transparent;color:var(--c-text-soft);font-size:13px;font-family:inherit;cursor:pointer;text-align:left;border-radius:6px;transition:background .12s,color .12s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.readerCatalog__section-item:hover{background:#0000000e;color:var(--c-text)}.readerCatalog__section-item.level-3{padding-left:24px;color:var(--c-text-dim);font-size:12px}.readerCatalog__section-item.is-current{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft)}.readerCatalog__chevron{flex:none;font-size:10px;color:var(--c-text-dim);display:inline-block;transition:transform .15s}.readerCatalog__chevron.is-open{transform:rotate(90deg)}.readerCatalog__section-row{display:flex;align-items:center;gap:4px}.readerCatalog__section-row .readerCatalog__section-item{flex:1;min-width:0}.sidebar__brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px}.sidebar__logo{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary) 0%,#4096ff 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:none;box-shadow:var(--shadow-sm)}.sidebar__brand-text{min-width:0}.sidebar__brand-title{font-size:15px;font-weight:600;color:var(--c-text);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar__brand-sub{font-size:11px;color:var(--c-muted);margin-top:2px}.sidebar__list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:2px;flex:1;min-height:0}.sidebar__item{display:flex;align-items:center;gap:12px;padding:8px 12px;cursor:pointer;color:var(--c-text-soft);transition:background .15s,color .15s;font-size:14px;border-radius:10px;border:none;background:transparent;width:100%;text-align:left;font-family:inherit}.sidebar__item:hover{background:var(--c-bg-soft);color:var(--c-text)}.sidebar__item.active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}.sidebar__item-num{width:26px;height:26px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--c-text-dim);background:var(--c-bg-mute);border-radius:8px;flex:none;font-variant-numeric:tabular-nums;transition:background .15s,color .15s}.sidebar__item:hover .sidebar__item-num{background:var(--c-border);color:var(--c-text-soft)}.sidebar__item.active .sidebar__item-num{background:var(--c-primary);color:#fff}.sidebar__item-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader__article h1{font-weight:700;color:var(--reading-text);margin:0 0 1.5rem;letter-spacing:0;line-height:1.4;text-align:center;position:relative;padding:0}.app_content--page .reader__article h1{font-size:1.375rem;text-align:center}.app_content--scroll .reader__article h1{font-size:1.625rem;text-align:left}.reader__article h2{font-size:1.25rem;font-weight:600;margin:3rem 0 1rem;letter-spacing:-.01em;color:var(--reading-text)}.reader__article h3{font-size:1.125rem;font-weight:600;margin:2rem 0 .75rem;letter-spacing:-.01em}.reader__article h4{font-size:1rem;font-weight:600;margin:1.5rem 0 .5rem;color:var(--c-text-soft)}.reader__article p{max-width:100%;margin-top:1rem;margin-bottom:1rem;line-height:1.7;color:var(--reading-text);text-align:justify}.reader__article ul,.reader__article ol{max-width:100%;margin-top:1rem;margin-bottom:1rem;padding-left:1.75rem;line-height:1.8}.reader__article li{margin:.4rem 0}.reader__article blockquote{max-width:100%;margin-top:1.5rem;margin-bottom:1.5rem;padding:1rem 1.25rem;border-left:4px solid var(--c-primary);background:var(--c-primary-soft);color:var(--c-text-soft);border-radius:0 var(--radius-lg) var(--radius-lg) 0}.reader__article blockquote p{margin:.25rem 0}.reader__article hr{display:none}.reader__article>blockquote:first-of-type{background:transparent;border-left:none;border-radius:0;padding:.5rem 2.5rem;margin:0 0 2rem;text-align:justify;color:var(--reading-text);font-size:1.0625rem;font-style:italic;line-height:1.7;letter-spacing:.01em;position:relative}.reader__article>blockquote:first-of-type:before,.reader__article>blockquote:first-of-type:after{color:var(--c-text-faint);font-size:1.5rem;font-style:normal;line-height:1;position:absolute}.reader__article>blockquote:first-of-type:before{content:"“";top:-.2em;left:0}.reader__article>blockquote:first-of-type:after{content:"”";bottom:-.4em;right:0}.reader__article a{color:var(--c-primary);text-decoration:none;transition:color .15s}.reader__article a:hover{text-decoration:underline}.reader__article strong{font-weight:600}.reader__article code{font-family:SF Mono,Menlo,Monaco,Consolas,Courier New,monospace;font-size:.875em;background:var(--c-code-bg);border:1px solid var(--c-code-border);padding:3px 6px;border-radius:var(--radius-sm);color:var(--c-code-text);word-break:break-word}.reader__article pre code{background:transparent;border:none;padding:0;color:inherit;font-size:inherit}.reader__article table{border-collapse:collapse;margin:1.25rem auto;width:auto;max-width:720px;font-size:.9rem;border:1px solid var(--c-border);border-radius:var(--radius-md);overflow:hidden}.reader__article th,.reader__article td{border-bottom:1px solid var(--c-border);padding:.6rem .9rem;text-align:left}.reader__article th{background:var(--c-bg-soft);font-weight:600;color:var(--c-text)}.reader__article tr:last-child td{border-bottom:none}.reader__article svg{max-width:100%;height:auto}.term{color:var(--c-primary);border-bottom:1px dashed var(--c-primary);cursor:pointer;position:relative;font-weight:500}.term:hover{background:var(--c-primary-soft)}.term-tip{position:fixed;background:#1f2329;color:#fff;font-size:12px;font-weight:400;line-height:1.55;padding:7px 10px;border-radius:6px;white-space:normal;text-align:left;pointer-events:none;z-index:200;box-shadow:0 6px 20px #00000038;animation:term-tip-in .12s ease-out}@keyframes term-tip-in{0%{opacity:0}to{opacity:1}}.term-tip__arrow{position:absolute;width:0;height:0;border:5px solid transparent;transform:translate(-50%)}.term-tip:not(.term-tip--below) .term-tip__arrow{top:100%;border-top-color:#1f2329}.term-tip--below .term-tip__arrow{bottom:100%;border-bottom-color:#1f2329}.glossary-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px}.glossary-card{background:var(--c-surface);border-radius:12px;width:100%;max-width:560px;max-height:80vh;overflow-y:auto;padding:24px 28px;position:relative;box-shadow:var(--shadow-lg)}.glossary-card__close{position:absolute;top:12px;right:14px;border:none;background:transparent;font-size:22px;line-height:1;cursor:pointer;color:var(--c-muted);padding:4px 8px;border-radius:4px}.glossary-card__close:hover{background:#f3f4f6;color:var(--c-text)}.glossary-card__name{font-size:20px;font-weight:700;color:var(--c-primary);margin-bottom:8px}.glossary-card__summary{font-size:14px;color:var(--c-text-soft);background:var(--c-primary-soft);padding:10px 14px;border-radius:var(--radius);margin-bottom:18px}.glossary-card__body h2{font-size:15px;font-weight:600;margin:18px 0 6px;color:var(--c-text)}.glossary-card__body p,.glossary-card__body ul{font-size:14px;color:var(--c-text);margin:8px 0}.glossary-card__body ul{padding-left:20px}.glossary-card__empty{color:var(--c-muted);text-align:center;padding:20px 0}mark.hl-mark{background:var(--hl-current);color:inherit;cursor:pointer;border-radius:2px;padding:1px 0;transition:background .15s}mark.hl-mark:hover{background:var(--c-highlight-comment)}mark.hl-mark.has-comment{background:var(--c-highlight-comment);box-shadow:inset 0 -2px 0 0 var(--c-warn)}mark.hl-mark[data-color="1"]{background:var(--hl-1)}mark.hl-mark[data-color="2"]{background:var(--hl-2)}mark.hl-mark[data-color="3"]{background:var(--hl-3)}mark.hl-mark[data-color="4"]{background:var(--hl-4)}mark.hl-mark[data-color="1"].has-comment{background:var(--hl-1);box-shadow:inset 0 -2px 0 0 var(--c-warn)}mark.hl-mark[data-color="2"].has-comment{background:#c5e1f9;box-shadow:inset 0 -2px #1976d2}mark.hl-mark[data-color="3"].has-comment{background:#b8e6b8;box-shadow:inset 0 -2px #2e7d32}mark.hl-mark[data-color="4"].has-comment{background:#ffc1d8;box-shadow:inset 0 -2px #c2185b}mark.hl-mark[data-kind=comment]{background:transparent;border-radius:0;padding:0;border-bottom:2px dashed var(--c-primary);transition:border-bottom-color .15s,background .15s}mark.hl-mark[data-kind=comment]:hover{background:var(--c-primary-soft);border-bottom-color:var(--c-primary)}.hl-float-menu{position:fixed;transform:translate(-50%,-100%);background:#2c2c2e;color:#fff;border:none;padding:8px 12px;border-radius:12px;font-size:13px;cursor:default;box-shadow:0 8px 24px #00000040;z-index:80;margin-top:-8px;display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:4px;font-family:inherit;max-width:calc(100vw - 24px)}.hl-float-menu__item{display:flex;flex-direction:row;align-items:center;gap:6px;padding:6px 12px;cursor:pointer;border-radius:8px;transition:background .12s;white-space:nowrap}.hl-float-menu__item:hover{background:#ffffff1a}.hl-float-menu__item--disabled{opacity:.4;cursor:not-allowed}.hl-float-menu__item--disabled:hover{background:transparent}.hl-float-menu__icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;color:#fff;line-height:1;flex-shrink:0}.hl-float-menu__text{font-size:13px;color:#fffff5e6;white-space:nowrap}.hl-float-menu:after{content:"";position:absolute;bottom:-7px;left:50%;transform:translate(-50%);border-left:8px solid transparent;border-right:8px solid transparent;border-top:8px solid #2c2c2e;pointer-events:none}.hl-hover-tooltip{position:fixed;transform:translate(-50%,-100%);margin-top:-10px;background:#333;color:#fff;font-size:13px;line-height:1.5;padding:8px 14px;border-radius:8px;max-width:280px;box-shadow:0 4px 16px #0003;z-index:85;pointer-events:none;animation:hl-tooltip-fade-in .15s ease-out;word-break:break-word}.hl-hover-tooltip:after{content:"";position:absolute;bottom:-6px;left:50%;transform:translate(-50%);border-left:6px solid transparent;border-right:6px solid transparent;border-top:6px solid #333}@keyframes hl-tooltip-fade-in{0%{opacity:0;transform:translate(-50%,-100%) translateY(4px)}to{opacity:1;transform:translate(-50%,-100%) translateY(0)}}.float-btn{position:fixed;transform:translate(-50%,-100%);background:var(--c-primary);color:#fff;border:none;padding:0;border-radius:6px;font-size:13px;cursor:pointer;box-shadow:var(--shadow);z-index:80;margin-top:-6px;display:flex;align-items:stretch;overflow:hidden}.float-btn:hover{background:#003fb0}.float-btn--split .float-btn__opt{padding:6px 14px;cursor:pointer;white-space:nowrap;transition:background .12s}.float-btn--split .float-btn__opt:hover{background:#ffffff26}.float-btn--split .float-btn__sep{width:1px;background:#ffffff4d;margin:4px 0}.float-menu{position:fixed;transform:translate(-50%,-100%);margin-top:-6px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:4px;display:flex;flex-direction:column;z-index:80;min-width:120px}.float-menu button{border:none;background:transparent;padding:8px 14px;text-align:left;cursor:pointer;border-radius:4px;font-size:13px;color:var(--c-text)}.float-menu button:hover{background:var(--c-primary-soft);color:var(--c-primary)}.float-menu button.danger:hover{background:#fee2e2;color:#dc2626}.float-menu__colors{display:flex;gap:6px;padding:6px 8px 8px;border-bottom:1px solid var(--c-border);margin-bottom:4px}.float-menu .float-menu__color-dot{width:20px;height:20px;border-radius:50%;border:1px solid rgba(0,0,0,.15);cursor:pointer;padding:0;flex:none;transition:transform .12s ease,box-shadow .12s ease}.float-menu .float-menu__color-dot:hover{transform:scale(1.15)}.float-menu .float-menu__color-dot.is-active{box-shadow:0 0 0 2px var(--c-surface),0 0 0 4px var(--c-primary)}.note-detail-panel__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90}.note-detail-panel{position:fixed;transform:translate(-50%,-100%);margin-top:-8px;width:300px;max-width:calc(100vw - 24px);background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:0 12px 36px #0000002e;z-index:95;overflow:hidden;font-size:13px;color:var(--c-text);animation:note-detail-fade-in .14s ease-out}@keyframes note-detail-fade-in{0%{opacity:0;transform:translate(-50%,-100%) translateY(6px)}to{opacity:1;transform:translate(-50%,-100%) translateY(0)}}.note-detail-panel__header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--c-border)}.note-detail__title{font-weight:600;font-size:14px}.note-detail-panel__close{border:none;background:transparent;font-size:20px;line-height:1;cursor:pointer;color:var(--c-text);opacity:.6;padding:0 2px;border-radius:4px}.note-detail-panel__close:hover{opacity:1;background:var(--c-primary-soft)}.note-detail-panel__toolbar{display:flex;gap:4px;padding:6px 10px;border-bottom:1px solid var(--c-border)}.note-detail-panel__toolbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;border:none;background:transparent;padding:6px 2px;border-radius:6px;cursor:pointer;font-size:11px;color:var(--c-text);transition:background .12s}.note-detail-panel__toolbar button:hover{background:var(--c-primary-soft);color:var(--c-primary)}.note-detail-panel__body{padding:12px 14px}.note-detail-panel__quote{margin:0 0 10px;padding:6px 10px;border-left:3px solid var(--c-primary);background:var(--c-primary-soft);border-radius:4px;font-size:12px;color:var(--c-text);opacity:.85;max-height:60px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}.note-detail-panel__user{display:flex;align-items:center;gap:8px;margin-bottom:8px}.note-detail-panel__avatar{width:26px;height:26px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0}.note-detail-panel__name{font-size:13px;font-weight:500}.note-detail-panel__tag{margin-left:auto;font-size:11px;color:var(--c-primary);background:var(--c-primary-soft);padding:2px 8px;border-radius:10px}.note-detail-panel__comment{font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.note-detail-panel__footer{padding:8px 14px;border-top:1px solid var(--c-border)}.note-detail-panel__remove{width:100%;border:none;background:#fee2e2;color:#dc2626;padding:7px;border-radius:6px;cursor:pointer;font-size:13px;transition:background .12s}.note-detail-panel__remove:hover{background:#fecaca}.comment-modal__overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:200;animation:comment-modal__fade-in .15s ease-out}@keyframes comment-modal__fade-in{0%{opacity:0}to{opacity:1}}.comment-modal{width:420px;max-width:90vw;background:var(--c-surface);border-radius:16px;box-shadow:0 20px 60px #0003,0 4px 16px #00000014;overflow:hidden;animation:comment-modal__slide-up .25s ease-out}@keyframes comment-modal__slide-up{0%{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.comment-modal__header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 0}.comment-modal__title{font-size:16px;font-weight:600;color:var(--c-text)}.comment-modal__close{width:32px;height:32px;border:none;background:transparent;color:var(--c-text-soft);cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s}.comment-modal__close:hover{background:var(--c-border);color:var(--c-text)}.comment-modal__body{padding:12px 20px 0}.comment-modal__input{width:100%;border:1px solid var(--c-border);border-radius:10px;padding:12px 14px;font-size:14px;font-family:inherit;line-height:1.6;resize:vertical;outline:none;color:var(--c-text);background:transparent;transition:border-color .15s;min-height:80px}.comment-modal__input:focus{border-color:var(--c-primary)}.comment-modal__input::placeholder{color:var(--c-text-muted, #999)}.comment-modal__footer{display:flex;align-items:center;gap:10px;padding:14px 20px 16px}.comment-modal__btn{padding:8px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:background .15s,opacity .15s;font-family:inherit}.comment-modal__btn--primary{background:var(--c-primary);color:#fff}.comment-modal__btn--primary:hover:not(:disabled){background:#003fb0}.comment-modal__btn--primary:disabled{opacity:.4;cursor:not-allowed}.comment-modal__btn--danger{background:transparent;color:var(--c-danger, #dc2626);border:1px solid #fecaca}.comment-modal__btn--danger:hover{background:#fef2f2}.codeblock{margin:18px 0;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;background:#fbfbfc}.codeblock__toolbar{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:#f3f4f6;border-bottom:1px solid var(--c-border)}.codeblock__lang{font-size:12px;color:var(--c-muted);font-family:SF Mono,Menlo,Monaco,Consolas,monospace;text-transform:lowercase}.codeblock__toggle{border:none;background:transparent;color:var(--c-primary);font-size:12px;cursor:pointer;padding:2px 6px}.codeblock__toggle:hover{text-decoration:underline}.codeblock__actions{display:flex;align-items:center;gap:10px}.codeblock__seg{display:inline-flex;background:#0000000f;border-radius:6px;padding:2px;gap:2px}.codeblock__seg-btn{border:none;background:transparent;color:var(--c-text-soft);font-size:11.5px;font-family:inherit;padding:2px 9px;border-radius:4px;cursor:pointer;transition:background .14s,color .14s}.codeblock__seg-btn:hover:not(.is-active){color:var(--c-text)}.codeblock__seg-btn.is-active{background:var(--c-surface, #fff);color:var(--c-primary);font-weight:500;box-shadow:0 1px 2px #00000014}.codeblock--rendered{background:var(--c-surface)}.codeblock__rendered{padding:12px 14px;font-size:14px;line-height:1.7;color:var(--c-text);overflow-x:auto}.codeblock__rendered table{display:table;width:100%;border-collapse:collapse;margin:0;font-size:13.5px}.codeblock__rendered th,.codeblock__rendered td{border:1px solid var(--c-border);padding:7px 10px;text-align:left;vertical-align:top;white-space:normal}.codeblock__rendered th{background:var(--c-bg-mute, #f8fafc);font-weight:600}.codeblock__rendered code{font-family:SF Mono,Menlo,Monaco,Consolas,monospace;font-size:.88em;background:#7f7f7f1f;padding:.1em .34em;border-radius:3px}.codeblock__body{display:flex;overflow:hidden}.codeblock__body.collapsed{max-height:360px}.codeblock__lines{margin:0;padding:14px 0;display:flex;flex-direction:column;align-items:flex-end;background:#f9fafb;border-right:1px solid var(--c-border);min-width:44px;-webkit-user-select:none;user-select:none}.codeblock__lines span{display:block;padding:0 10px;font-size:13px;line-height:1.6;font-family:SF Mono,Menlo,Monaco,Consolas,monospace;color:var(--c-muted);height:1.6em}.codeblock__code{margin:0;padding:14px 16px;flex:1;overflow-x:auto;font-size:13px;line-height:1.6;font-family:SF Mono,Menlo,Monaco,Consolas,monospace}.codeblock__code code{background:transparent;padding:0;color:inherit;font-size:inherit}.reader__main ::-webkit-scrollbar{width:8px;height:8px}.reader__main ::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:4px}.reader__main ::-webkit-scrollbar-thumb:hover{background:#9ca3af}[data-term-style=bg] .term{border-bottom:none;background:var(--c-primary-soft);padding:0 4px;border-radius:3px}[data-term-style=bg] .term:hover{background:var(--c-primary);color:#fff}[data-term-style=none] .term{border-bottom:none;background:transparent;color:inherit;font-weight:inherit}[data-term-style=none] .term:hover{background:var(--c-primary-soft);color:var(--c-primary)}.sidebar__footer{border-top:1px solid var(--c-border);margin-top:12px;padding:10px 4px 0;display:flex;align-items:center;gap:4px}.sidebar__settings-btn{display:flex;align-items:center;gap:8px;flex:1;min-width:0;border:none;background:transparent;color:var(--c-text-soft);font-size:14px;padding:8px 10px;border-radius:var(--radius-md);cursor:pointer;text-align:left;font-family:inherit;transition:background .15s,color .15s}.sidebar__settings-btn:hover{background:var(--c-bg-soft);color:var(--c-text)}.sidebar__settings-icon{font-size:16px;line-height:1}.sidebar__collapse-btn{width:36px;height:36px;flex:none;border:1px solid var(--c-border);background:var(--c-surface-warm);color:var(--c-text-soft);border-radius:var(--radius-lg);cursor:pointer;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;font-family:inherit;box-shadow:var(--shadow-sm);transition:background .15s,color .15s,border-color .15s,box-shadow .15s}.sidebar__collapse-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--shadow)}.sidebar-expand-btn{position:fixed;top:16px;left:16px;width:40px;height:40px;border:1px solid var(--c-border);background:var(--c-surface-warm);color:var(--c-text-soft);border-radius:var(--radius-lg);cursor:pointer;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;font-family:inherit;z-index:var(--z-sticky);box-shadow:var(--shadow);transition:background .15s,color .15s,border-color .15s,box-shadow .15s,transform .15s}.sidebar-expand-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary);transform:translate(2px)}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;animation:settings-fade-in .15s ease}@keyframes settings-fade-in{0%{opacity:0}to{opacity:1}}.settings-panel{background:var(--c-surface);color:var(--reading-text);border-radius:12px;width:100%;max-width:720px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg);padding:24px 28px;position:relative}.settings-panel__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--c-border)}.settings-panel__title{font-size:18px;font-weight:700;color:var(--reading-text)}.settings-panel__close{border:none;background:transparent;font-size:22px;cursor:pointer;color:var(--c-muted);padding:4px 8px;border-radius:4px;line-height:1}.settings-panel__close:hover{background:var(--c-primary-soft);color:var(--c-primary)}.settings-section{margin-bottom:24px}.settings-section__title{font-size:12px;font-weight:600;color:var(--c-text-soft);margin-bottom:10px;text-transform:uppercase;letter-spacing:.06em}.settings-row{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:14px}.settings-row__label{width:88px;color:var(--c-text-soft);flex-shrink:0}.settings-row__options{display:flex;gap:6px;flex-wrap:wrap}.settings-option{border:1px solid var(--c-border);background:var(--c-surface);color:var(--reading-text);padding:6px 12px;border-radius:6px;font-size:13px;cursor:pointer;transition:all .15s;font-family:inherit}.settings-option:hover{border-color:var(--c-primary);color:var(--c-primary)}.settings-option.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}.settings-color-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.settings-swatch{width:32px;height:32px;border-radius:6px;border:2px solid var(--c-border);cursor:pointer;padding:0;position:relative;transition:transform .1s}.settings-swatch:hover{transform:scale(1.1)}.settings-swatch.active{border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-primary-soft)}.settings-swatch--custom{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f0e1 25%,#e8f0e8,#f4ecd8 75%);color:var(--c-muted);font-size:18px;font-weight:600}.settings-color-input{width:36px;height:36px;border:1px solid var(--c-border);border-radius:6px;padding:2px;cursor:pointer;background:var(--c-surface)}.settings-upload-btn{border:1px dashed var(--c-border);background:transparent;color:var(--c-text-soft);padding:10px 16px;border-radius:6px;font-size:13px;cursor:pointer;font-family:inherit}.settings-upload-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}.settings-font-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.settings-font-chip{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-soft);color:var(--c-primary);padding:4px 8px;border-radius:4px;font-size:12px}.settings-font-chip__remove{border:none;background:transparent;color:var(--c-primary);cursor:pointer;padding:0 2px;font-size:14px;line-height:1}.settings-font-chip__remove:hover{color:#dc2626}.settings-help{font-size:12px;color:var(--c-muted);margin-top:6px;line-height:1.5}.settings-reset{border:1px solid var(--c-border);background:transparent;color:var(--c-text-soft);padding:8px 14px;border-radius:6px;font-size:13px;cursor:pointer;font-family:inherit;margin-top:8px}.settings-reset:hover{border-color:#dc2626;color:#dc2626}.settings-error{color:#dc2626;font-size:12px;margin-top:6px}.arch-figure{margin:28px auto;padding:0;text-align:center;max-width:880px}.arch-svg{display:block;width:100%;height:auto;max-width:100%;margin:0 auto}.arch-figure figcaption{margin-top:10px;font-size:13px;color:var(--c-muted);line-height:1.6}.sidebar__search-btn{display:flex;align-items:center;gap:8px;width:calc(100% - 16px);margin:0 8px 12px;padding:8px 12px;border:1px solid var(--c-border);border-radius:10px;background:var(--c-surface);color:var(--c-text-soft);font-size:13px;font-family:inherit;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.sidebar__search-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-warm)}.sidebar__search-icon{font-size:12px;opacity:.7}.sidebar__search-kbd{margin-left:auto;font-size:11px;font-family:inherit;color:var(--c-muted);border:1px solid var(--c-border);border-radius:4px;padding:1px 5px}.search-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:200;display:flex;align-items:flex-start;justify-content:center;padding-top:10vh;animation:settings-fade-in .15s ease}.search-panel{width:min(720px,92vw);max-height:72vh;background:var(--c-surface);border:1px solid var(--c-border);border-radius:12px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.search-panel__head{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--c-border)}.search-panel__input{flex:1;border:none;outline:none;background:transparent;color:var(--c-text);font-size:15px;font-family:inherit}.search-panel__close{border:none;background:transparent;color:var(--c-muted);cursor:pointer;font-size:15px;padding:2px 6px;border-radius:4px}.search-panel__close:hover{background:var(--c-bg);color:var(--c-text)}.search-panel__meta{padding:8px 16px;font-size:12px;color:var(--c-muted);border-bottom:1px solid var(--c-border)}.search-panel__results{overflow-y:auto;padding:8px 0 12px}.search-group{margin-bottom:4px}.search-group__title{padding:8px 16px 4px;font-size:12px;font-weight:600;color:var(--c-primary)}.search-hit{display:block;width:100%;text-align:left;border:none;background:transparent;padding:7px 16px;cursor:pointer;font-family:inherit;border-left:2px solid transparent}.search-hit:hover{background:var(--c-primary-soft);border-left-color:var(--c-primary)}.search-hit__section{display:block;font-size:11px;color:var(--c-muted);margin-bottom:2px}.search-hit__text{display:block;font-size:13px;color:var(--c-text-soft);line-height:1.55}.search-hit__text em{font-style:normal;font-weight:600;color:var(--c-text);background:var(--hl-1);border-radius:2px;padding:0 1px}[data-theme=dark] .search-hit__text em{background:var(--c-highlight);color:#fff}@keyframes jump-flash{0%,to{background:transparent}20%,60%{background:var(--c-primary-soft)}}.jump-flash{animation:jump-flash 1.5s ease;border-radius:4px}.chapref{color:var(--c-primary);cursor:pointer;border-bottom:1px solid transparent;transition:border-color .15s ease}.chapref:hover{border-bottom-color:var(--c-primary)}.chapref:after{content:"↗";font-size:.78em;margin-left:2px;opacity:.65}.origref{margin:20px 0;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;background:var(--c-surface)}.origref.is-open{border-color:var(--c-primary)}.origref__head{display:flex;align-items:flex-start;gap:10px;width:100%;padding:12px 14px;border:none;background:transparent;cursor:pointer;text-align:left;font-family:inherit}.origref__head:hover{background:var(--c-bg)}.origref__icon{font-size:15px;line-height:1.4;flex:none}.origref__label{flex:1;min-width:0}.origref__title{display:block;font-size:13px;font-weight:600;color:var(--c-text)}.origref__count{font-weight:400;color:var(--c-muted)}.origref__desc{display:block;font-size:12px;color:var(--c-text-soft);margin-top:3px;line-height:1.5}.origref__caret{flex:none;font-size:12px;color:var(--c-primary);padding-top:1px}.origref__body{border-top:1px solid var(--c-border);padding:10px 12px 12px}.origref__hint{font-size:13px;color:var(--c-muted);padding:8px 2px}.origref__hint--err{color:#dc2626}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}.notes-drawer{position:fixed;top:0;right:0;width:480px;max-width:96vw;height:100vh;background:var(--c-surface);border-left:1px solid var(--c-border);box-shadow:var(--shadow-lg);z-index:var(--z-modal);display:flex;flex-direction:column;transform:translate(100%);transition:transform .25s ease-out}.notes-drawer.is-open{transform:translate(0)}.notes-drawer__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;z-index:calc(var(--z-modal) - 1);opacity:0;pointer-events:none;transition:opacity .25s ease-out}.notes-drawer__backdrop.is-open{opacity:1;pointer-events:auto}.notes-drawer__header{display:flex;align-items:flex-start;gap:12px;padding:20px;border-bottom:1px solid var(--c-border);flex:none;position:relative}.notes-drawer__book-info{flex:1;min-width:0}.notes-drawer__book-title{font-size:15px;font-weight:600;color:var(--c-text);line-height:1.3;margin-bottom:6px}.notes-drawer__book-meta{font-size:12px;color:var(--c-text-dim);line-height:1.5}.notes-drawer__book-cover{width:48px;height:68px;border-radius:4px;background:linear-gradient(135deg,var(--c-primary) 0%,#4096ff 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex:none;box-shadow:var(--shadow-sm)}.notes-drawer__book-cover-icon{filter:brightness(0) invert(1)}.notes-drawer__close{border:none;background:transparent;color:var(--c-text-soft);font-size:22px;cursor:pointer;padding:4px 8px;border-radius:4px;line-height:1;flex:none}.notes-drawer__close:hover{background:var(--c-bg-soft);color:var(--c-text)}.notes-drawer__body{flex:1;overflow-y:auto;padding:16px 20px}.notes-drawer__empty{text-align:center;padding:60px 20px;color:var(--c-text-dim)}.notes-drawer__empty-text{font-size:13px;line-height:1.6}.notes-drawer__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:20px}.notes-drawer__item{display:flex;flex-direction:column;gap:8px;padding-bottom:16px;border-bottom:1px solid var(--c-border);position:relative}.notes-drawer__item:last-child{border-bottom:none}.notes-drawer__groups{display:flex;flex-direction:column;gap:4px}.notes-drawer__group{margin-bottom:8px}.notes-drawer__group-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px 6px;background:var(--c-bg);position:sticky;top:0;z-index:1}.notes-drawer__group-title{font-size:13px;font-weight:600;color:var(--c-text)}.notes-drawer__group-count{font-size:11px;color:var(--c-text-dim)}.notes-drawer__item-highlight{font-size:13px;color:var(--c-text);line-height:1.6;padding-left:12px;border-left:3px solid var(--c-border)}.notes-drawer__item-highlight[data-color="1"]{border-left-color:#ffd84d;background:#fff9e0}.notes-drawer__item-highlight[data-color="2"]{border-left-color:#bfe3ff;background:#f0f7ff}.notes-drawer__item-highlight[data-color="3"]{border-left-color:#c8f0c8;background:#f0f9f0}.notes-drawer__item-highlight[data-color="4"]{border-left-color:#ffc8e0;background:#fff0f7}.notes-drawer__item-highlight[data-kind=comment]{border-left-style:dashed;background:transparent}.notes-drawer__item-comment{font-size:12px;color:var(--c-text-soft);line-height:1.6;padding-left:12px;font-style:italic}.notes-drawer__item-jump{align-self:flex-start;border:none;background:transparent;color:var(--c-primary);font-size:12px;cursor:pointer;padding:4px 0;font-family:inherit}.notes-drawer__item-jump:hover{text-decoration:underline}.notes-drawer__footer{padding:12px 20px;border-top:1px solid var(--c-border);flex:none}.notes-drawer__review-btn{width:100%;padding:12px;border:1px solid var(--c-border);border-radius:var(--radius-md);background:var(--c-surface);color:var(--c-text-soft);font-size:13px;font-family:inherit;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.notes-drawer__review-btn:hover:not(:disabled){background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary)}.notes-drawer__review-btn:disabled{opacity:.4;cursor:not-allowed}.font-drawer{position:fixed;top:0;right:0;width:480px;max-width:96vw;height:100vh;background:var(--c-surface);border-left:1px solid var(--c-border);box-shadow:var(--shadow-lg);z-index:var(--z-modal);display:flex;flex-direction:column;transform:translate(100%);transition:transform .25s ease-out}.font-drawer.is-open{transform:translate(0)}.font-drawer__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;z-index:calc(var(--z-modal) - 1);opacity:0;pointer-events:none;transition:opacity .25s ease-out}.font-drawer__backdrop.is-open{opacity:1;pointer-events:auto}.font-drawer__header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-border);flex:none}.font-drawer__title{font-size:16px;font-weight:600;color:var(--c-text)}.font-drawer__close{border:none;background:transparent;color:var(--c-text-soft);font-size:22px;cursor:pointer;padding:4px 8px;border-radius:4px;line-height:1}.font-drawer__close:hover{background:var(--c-bg-soft);color:var(--c-text)}.font-drawer__section{padding:20px;border-bottom:1px solid var(--c-border);flex:none}.font-drawer__section--grow{flex:1;overflow-y:auto;min-height:0}.font-drawer__section-title{font-size:13px;font-weight:600;color:var(--c-text-soft);margin-bottom:12px;text-transform:uppercase;letter-spacing:.05em}.font-drawer__category-tabs{display:flex;gap:4px;margin-bottom:16px;border-bottom:1px solid var(--c-border)}.font-drawer__category-tab{padding:8px 12px;border:none;background:transparent;color:var(--c-text-soft);font-size:13px;font-family:inherit;cursor:pointer;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;margin-bottom:-1px}.font-drawer__category-tab:hover{color:var(--c-text)}.font-drawer__category-tab.is-active{color:var(--c-primary);border-bottom-color:var(--c-primary);font-weight:600}.font-drawer__empty{grid-column:1 / -1;padding:40px 20px;text-align:center;color:var(--c-text-dim)}.font-drawer__empty-text{font-size:13px;line-height:1.6}.font-drawer__size-slider{display:flex;align-items:center;gap:12px;padding:4px 0}.font-drawer__size-slider-label{color:var(--c-text-soft);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;flex:none;-webkit-user-select:none;user-select:none}.font-drawer__size-slider-label--sm{font-size:12px}.font-drawer__size-slider-label--lg{font-size:22px;font-weight:500}.font-drawer__slider{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:4px;background:var(--c-bg-mute);border-radius:999px;outline:none;cursor:pointer}.font-drawer__slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--c-primary);cursor:pointer;box-shadow:0 1px 3px #0003;transition:transform .15s}.font-drawer__slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.font-drawer__slider::-moz-range-thumb{width:18px;height:18px;border:none;border-radius:50%;background:var(--c-primary);cursor:pointer;box-shadow:0 1px 3px #0003}.font-drawer__size-current{text-align:center;font-size:12px;color:var(--c-text-dim);margin-top:6px}.font-drawer__size-row{display:flex;gap:8px;justify-content:space-between}.font-drawer__size-option{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 8px;border:1px solid var(--c-border);border-radius:var(--radius-md);background:var(--c-surface);color:var(--c-text-soft);cursor:pointer;font-family:inherit;transition:background .15s,color .15s,border-color .15s}.font-drawer__size-option:hover{background:var(--c-bg-soft)}.font-drawer__size-option.is-active{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary);font-weight:600}.font-drawer__size-label{font-size:16px;font-weight:600}.font-drawer__size-px{font-size:11px;color:var(--c-text-dim)}.font-drawer__font-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.font-drawer__font-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border:1px solid var(--c-border);border-radius:var(--radius-md);background:var(--c-surface);color:var(--c-text-soft);cursor:pointer;font-family:inherit;transition:background .15s,color .15s,border-color .15s}.font-drawer__font-card:hover{background:var(--c-bg-soft)}.font-drawer__font-card.is-active{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary);font-weight:600}.font-drawer__font-sample{font-size:22px;font-weight:400;line-height:1}.font-drawer__font-label{font-size:12px;text-align:center;line-height:1.3}.ai-drawer{position:fixed;top:0;right:0;width:480px;max-width:96vw;height:100vh;background:var(--c-surface);border-left:1px solid var(--c-border);box-shadow:var(--shadow-lg);z-index:var(--z-modal);display:flex;flex-direction:column;transform:translate(100%);transition:transform .25s ease-out}.ai-drawer.is-open{transform:translate(0)}.ai-drawer__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000052;z-index:calc(var(--z-modal) - 1);opacity:0;pointer-events:none;transition:opacity .25s ease-out}.ai-drawer__backdrop.is-open{opacity:1;pointer-events:auto}.drawer-resizer{position:absolute;left:0;top:0;bottom:0;width:6px;cursor:col-resize;z-index:5;display:flex;align-items:center;justify-content:center}.drawer-resizer:hover{background:color-mix(in srgb,var(--c-primary) 18%,transparent)}.drawer-resizer__grip{width:3px;height:40px;border-radius:2px;background:var(--c-border);transition:background .14s}.drawer-resizer:hover .drawer-resizer__grip{background:var(--c-primary)}.ai-drawer__header{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:14px 18px;border-bottom:1px solid var(--c-border);flex:none}.ai-drawer__title-block{display:flex;flex-direction:column;gap:2px;min-width:0}.ai-drawer__title{font-size:16px;font-weight:600;color:var(--c-text)}.ai-drawer__sub{font-size:12px;color:var(--c-text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ai-drawer__header-actions{display:flex;align-items:center;gap:2px;flex:none}.ai-drawer__icon-btn{border:none;background:transparent;color:var(--c-text-soft);width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .12s,color .12s}.ai-drawer__icon-btn:hover:not(:disabled){background:var(--c-primary-soft);color:var(--c-primary)}.ai-drawer__icon-btn:disabled{opacity:.4;cursor:not-allowed}.ai-drawer__close{border:none;background:transparent;font-size:22px;line-height:1;color:var(--c-text-soft);cursor:pointer;width:28px;height:28px;border-radius:6px}.ai-drawer__close:hover{background:var(--c-primary-soft);color:var(--c-primary)}.ai-drawer__turns-wrap{position:relative}.ai-drawer__turns-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10}.ai-drawer__turns{position:absolute;top:calc(100% + 6px);right:0;width:260px;max-height:320px;display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-border);border-radius:10px;box-shadow:0 12px 32px #00000029;z-index:20;overflow:hidden}.ai-drawer__turns-head{padding:10px 12px;font-size:12px;font-weight:600;color:var(--c-text);border-bottom:1px solid var(--c-border);flex:none}.ai-drawer__turns-list{list-style:none;margin:0;padding:4px;overflow-y:auto}.ai-drawer__turn-item{width:100%;text-align:left;border:none;background:transparent;padding:7px 8px;border-radius:6px;cursor:pointer;display:flex;flex-direction:column;gap:3px}.ai-drawer__turn-item:hover{background:var(--c-primary-soft)}.ai-drawer__turn-meta{display:flex;align-items:center;gap:6px}.ai-drawer__turn-dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex:none}.ai-drawer__turn-no{font-size:11px;font-weight:600;color:var(--c-primary)}.ai-drawer__turn-time{font-size:11px;color:var(--c-text-dim)}.ai-drawer__turn-preview{font-size:12px;color:var(--c-text-soft);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ai-drawer__body{flex:1;overflow-y:auto;padding:16px}.ai-drawer__empty{padding:32px 8px;text-align:center}.ai-drawer__empty-title{font-size:15px;font-weight:600;color:var(--c-text);margin:0 0 6px}.ai-drawer__empty-desc{font-size:13px;color:var(--c-text-dim);line-height:1.6;margin:0}.ai-chat{display:flex;flex-direction:column;gap:14px}.ai-chat__row{display:flex;align-items:flex-start;gap:8px}.ai-chat__row--user{flex-direction:row;justify-content:flex-end}.ai-chat__row--ai{justify-content:flex-start}.ai-chat__avatar{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex:none;margin-top:2px}.ai-chat__avatar--user{background:var(--c-primary);color:#fff}.ai-chat__avatar--ai{background:var(--c-primary-soft);color:var(--c-primary)}.ai-chat__bubble{max-width:calc(100% - 44px);padding:9px 12px;border-radius:14px;font-size:13px;line-height:1.65;word-break:break-word}.ai-chat__bubble--user{background:var(--c-primary);color:#fff;border-top-right-radius:4px}.ai-chat__bubble--ai{background:var(--c-bg-mute, #f5f6f8);color:var(--c-text);border:1px solid var(--c-border);border-top-left-radius:4px}.ai-chat__bubble--ai.is-error{background:#fef2f2;border-color:#fecaca;color:#b91c1c}.ai-chat__text{white-space:pre-wrap}.ai-chat__quote{border-left:3px solid rgba(255,255,255,.55);padding:3px 0 3px 8px;margin-bottom:6px;font-size:12px;opacity:.9;max-height:66px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}.ai-chat__typing{display:inline-flex;gap:4px;align-items:center;padding:3px 0}.ai-chat__typing i{width:6px;height:6px;border-radius:50%;background:var(--c-text-dim);animation:ai-typing 1.1s infinite ease-in-out}.ai-chat__typing i:nth-child(2){animation-delay:.16s}.ai-chat__typing i:nth-child(3){animation-delay:.32s}@keyframes ai-typing{0%,60%,to{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.md-rich>*:first-child{margin-top:0}.md-rich>*:last-child{margin-bottom:0}.md-rich p{margin:.5em 0}.md-rich h1,.md-rich h2,.md-rich h3,.md-rich h4{margin:.8em 0 .4em;font-weight:600;line-height:1.35}.md-rich h1{font-size:1.25em}.md-rich h2{font-size:1.15em}.md-rich h3{font-size:1.06em}.md-rich h4{font-size:1em}.md-rich ul,.md-rich ol{margin:.5em 0;padding-left:1.35em}.md-rich li{margin:.25em 0}.md-rich a{color:var(--c-primary);text-decoration:underline}.md-rich strong{font-weight:600}.md-rich code{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:#7f7f7f24;padding:.12em .36em;border-radius:4px}.md-rich pre{margin:.6em 0;padding:10px 12px;background:#1e293b;border-radius:8px;overflow-x:auto}.md-rich pre code{background:transparent;color:#e2e8f0;font-size:.85em;line-height:1.55;padding:0}.md-rich blockquote{margin:.6em 0;padding:2px 0 2px 10px;border-left:3px solid var(--c-border);color:var(--c-text-soft)}.md-rich table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:.6em 0;font-size:.94em}.md-rich th,.md-rich td{border:1px solid var(--c-border);padding:5px 9px;text-align:left;white-space:nowrap}.md-rich th{background:var(--c-bg-mute, #f8fafc);font-weight:600}.md-rich hr{border:none;border-top:1px solid var(--c-border);margin:.9em 0}.ai-drawer__quote-tag{display:flex;align-items:center;gap:8px;margin:0 16px 8px;padding:6px 10px;background:var(--c-primary-soft);border-radius:8px;flex:none}.ai-drawer__quote-label{font-size:11px;font-weight:600;color:var(--c-primary);flex:none}.ai-drawer__quote-text{flex:1;font-size:12px;color:var(--c-text-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ai-drawer__quote-remove{background:none;border:none;color:var(--c-text-soft);cursor:pointer;font-size:16px;line-height:1;padding:0 4px;border-radius:50%;flex:none;transition:background .15s,color .15s}.ai-drawer__quote-remove:hover{background:#fecaca;color:#dc2626}.ai-chat__usage{margin-top:10px;font-size:12px;color:var(--c-text-soft);text-align:right}.ai-chat__notice{text-align:center;font-size:12px;color:var(--c-text-dim);background:var(--c-bg-mute);border-radius:6px;padding:6px 10px;margin:6px 0}.ai-drawer__turn-info{font-size:11px;color:var(--c-text-dim);margin-left:6px;font-variant-numeric:tabular-nums}.ai-drawer__max-turns{margin:18px 16px 0;padding:16px 14px 12px;background:linear-gradient(135deg,#eff6ff,#f0fdf4);border:1px solid #bfdbfe;border-radius:10px;text-align:center}.ai-drawer__max-turns-row{display:flex;align-items:baseline;justify-content:center;gap:6px;margin-bottom:4px}.ai-drawer__max-turns-label{font-size:13px;color:var(--c-text-soft)}.ai-drawer__max-turns-num{font-size:36px;font-weight:700;color:#2563eb;font-variant-numeric:tabular-nums;line-height:1;min-width:1.6em;display:inline-block;text-align:center}.ai-drawer__max-turns-hint{font-size:11px;color:var(--c-text-dim);margin-top:2px}.ai-drawer__input-row{display:flex;gap:8px;align-items:flex-end;padding:12px 16px;border-top:1px solid var(--c-border);flex:none;background:var(--c-surface)}.ai-drawer__input{flex:1;border:1px solid var(--c-border);border-radius:10px;padding:9px 12px;font-size:13px;font-family:inherit;line-height:1.5;color:var(--c-text);background:var(--c-bg);resize:none;overflow-y:auto;max-height:120px}.ai-drawer__input:focus{outline:2px solid var(--c-primary-soft);border-color:var(--c-primary)}.ai-drawer__input:disabled{background:var(--c-bg-mute);color:var(--c-text-dim);cursor:not-allowed}.ai-drawer__send{width:34px;height:34px;flex:none;border:1px solid var(--c-primary);border-radius:50%;background:var(--c-primary);color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s}.ai-drawer__send:hover:not(:disabled){background:#003fb0}.ai-drawer__send:disabled{background:var(--c-bg-mute);border-color:var(--c-border);color:var(--c-text-dim);cursor:not-allowed}.ai-drawer__stop{flex:none;height:34px;padding:0 14px;border-radius:8px;border:1px solid #fecaca;background:#fff;color:#dc2626;font-size:13px;font-weight:500;cursor:pointer;transition:background .12s,border-color .12s}.ai-drawer__stop:hover{background:#fee2e2;border-color:#fca5a5}.ai-chat__bubble--ai.is-stopped{opacity:.65;font-style:italic}.ai-hl-menu{position:fixed;transform:translate(-50%,calc(-100% - 10px));z-index:calc(var(--z-modal) + 2);display:flex;align-items:center;gap:2px;padding:4px;background:#2b2f36;border-radius:8px;box-shadow:0 6px 20px #00000038}.ai-hl-menu button{border:none;background:transparent;color:#e8eaed;font-size:12px;font-family:inherit;padding:6px 10px;border-radius:5px;cursor:pointer;white-space:nowrap;transition:background .12s}.ai-hl-menu button:hover{background:#ffffff1f}.ai-hl-menu button.is-danger{color:#ff8a80}.ai-hl-menu button.is-danger:hover{background:#ff8a8024}.ai-chat__bubble--ai mark.hl-mark{cursor:pointer}.bookmarks-drawer__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:transparent;z-index:80;pointer-events:none}.bookmarks-drawer__backdrop.is-open{pointer-events:auto}.bookmarks-drawer{position:fixed;top:0;right:0;bottom:0;background:var(--c-surface);border-left:1px solid var(--c-border);box-shadow:-4px 0 16px #0000000f;transform:translate(100%);transition:transform .25s ease;z-index:90;display:flex;flex-direction:column;font-size:14px}.bookmarks-drawer.is-open{transform:translate(0)}.bookmarks-drawer__header{flex:none;display:flex;align-items:center;padding:14px 16px;border-bottom:1px solid var(--c-border);background:var(--c-surface);gap:8px}.bookmarks-drawer__title-block{flex:1;display:flex;align-items:baseline;gap:8px;min-width:0}.bookmarks-drawer__title{font-size:15px;font-weight:600;color:var(--c-text)}.bookmarks-drawer__sub{font-size:12px;color:var(--c-text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bookmarks-drawer__clear{background:none;border:1px solid var(--c-border);color:var(--c-text-soft);font-size:12px;padding:3px 10px;border-radius:4px;cursor:pointer}.bookmarks-drawer__clear:hover{border-color:#fecaca;color:#dc2626}.bookmarks-drawer__close{background:none;border:none;color:var(--c-text-soft);font-size:22px;line-height:1;cursor:pointer;padding:0 4px}.bookmarks-drawer__body{flex:1;overflow-y:auto;padding:12px 0}.bookmarks-drawer__empty{padding:40px 24px;text-align:center}.bookmarks-drawer__empty-title{font-size:15px;color:var(--c-text);margin-bottom:8px}.bookmarks-drawer__empty-desc{font-size:12px;color:var(--c-text-dim);line-height:1.6}.bookmarks-drawer__list{list-style:none;margin:0;padding:0}.bookmarks-drawer__item{display:flex;align-items:stretch;border-bottom:1px solid var(--c-border)}.bookmarks-drawer__item-main{flex:1;text-align:left;background:none;border:none;padding:12px 16px;cursor:pointer;display:flex;flex-direction:column;gap:4px;min-width:0}.bookmarks-drawer__item-main:hover{background:var(--c-bg-mute)}.bookmarks-drawer__item-label{font-size:14px;color:var(--c-text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bookmarks-drawer__item-meta{font-size:11px;color:var(--c-text-dim)}.bookmarks-drawer__item-bar{height:3px;background:var(--c-bg-mute);border-radius:2px;overflow:hidden;margin-top:4px}.bookmarks-drawer__item-bar-fill{height:100%;background:var(--c-primary);transition:width .2s}.bookmarks-drawer__item-note{font-size:12px;color:var(--c-text-soft);margin-top:4px;font-style:italic}.bookmarks-drawer__item-delete{background:none;border:none;color:var(--c-text-soft);font-size:18px;line-height:1;padding:0 14px;cursor:pointer}.bookmarks-drawer__item-delete:hover{color:#dc2626;background:#fee2e2}.reader-toast{position:fixed;top:24px;left:50%;transform:translate(-50%);background:#000000c7;color:#fff;font-size:13px;padding:10px 20px;border-radius:var(--radius-lg);z-index:var(--z-toast);box-shadow:var(--shadow-lg);animation:toast-fade-in .2s ease;pointer-events:none}@keyframes toast-fade-in{0%{opacity:0;transform:translate(-50%) translateY(-6px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.reading-progress{position:fixed;top:0;left:0;right:0;width:auto;height:3px;background:transparent;z-index:calc(var(--z-sticky) + 1);pointer-events:none;overflow:hidden;transition:left .2s ease}.reader.sidebar-collapsed .reading-progress{left:0}.reading-progress__bar{height:100%;background:var(--c-primary);opacity:.55;transition:width .1s linear}.chapter-meta{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--c-text-dim);margin:0 0 1.25rem;letter-spacing:.01em}.chapter-meta__item--strong{color:var(--c-text-soft);font-weight:600}.chapter-meta__sep{color:var(--c-text-faint)}.chapter-meta__item--hint{font-size:10px;color:var(--c-text-faint);opacity:.6;margin-left:2px}.chapter-end{display:flex;align-items:center;justify-content:center;gap:16px;margin:2.5rem 0 2rem;break-inside:avoid;-webkit-column-break-inside:avoid}.chapter-end__line{flex:1;height:1px;background:var(--c-border);max-width:240px}.chapter-end__label{font-size:11px;color:var(--c-text-dim);letter-spacing:.15em;text-transform:uppercase;white-space:nowrap;font-variant-numeric:tabular-nums}.doc-footer{break-inside:avoid;-webkit-column-break-inside:avoid;margin-top:1.5rem}.doc-footer__row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.doc-footer__row{display:flex;justify-content:space-between;gap:12px}.doc-footer__card{display:flex;flex-direction:column;gap:6px;padding:14px 20px;border:1px solid var(--c-border);border-radius:var(--radius-lg);background:var(--c-surface);cursor:pointer;text-align:left;font-family:inherit;box-shadow:var(--shadow-sm);max-width:280px;flex:0 1 auto;transition:background .15s,border-color .15s,box-shadow .15s,transform .15s}.doc-footer__card:hover{background:var(--c-bg-soft);border-color:var(--c-primary);box-shadow:var(--shadow);transform:translateY(-1px)}.doc-footer__card--next{text-align:right;align-items:flex-end}.doc-footer__card--empty{visibility:hidden}.doc-footer__label{font-size:12px;color:var(--c-text-dim)}.doc-footer__title{font-size:14px;font-weight:600;color:var(--c-text)}@media (max-width: 640px){.doc-footer__row{grid-template-columns:1fr}.doc-footer__card--next{text-align:left;align-items:flex-start}}.shelf{min-height:100vh;background:var(--c-bg);color:var(--c-text)}.shelf__hero{background:var(--c-bg-soft, #f8f8f9);padding:56px 32px 40px;display:flex;flex-direction:column;gap:22px}.shelf__masthead{text-align:center;margin-top:10px}.shelf__masthead-title{margin:0 -4px 0 0;display:inline-flex;align-items:center;font-family:Songti SC,STSong,"Noto Serif SC",Georgia,serif;font-size:34px;font-weight:700;letter-spacing:4px;color:var(--c-text);line-height:1.3}.shelf__masthead-title>svg,.shelf__masthead-title>span:first-child{transform:translateY(2px);flex:none;margin-right:14px}.shelf__masthead-word+.shelf__masthead-word{margin-left:0}.shelf__masthead-sub{margin:6px 0 0;font-size:13px;color:var(--c-text-dim);letter-spacing:1px;transform:translate(2px)}.shelf__section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.shelf__section-head .shelf__section-title{margin-bottom:0}.shelf__new-collection{display:inline-flex;align-items:center;gap:5px;border:none;background:transparent;color:var(--c-primary);font-size:13px;font-family:inherit;cursor:pointer;padding:6px 10px;border-radius:6px;transition:background .12s}.shelf__new-collection:hover{background:var(--c-primary-soft)}.shelf__top{display:flex;align-items:center;justify-content:space-between}.shelf__brand{display:flex;align-items:center;gap:9px;color:var(--c-primary)}.shelf__brand-mark{display:flex;align-items:center}.shelf__brand-name{font-size:16px;font-weight:600;color:var(--c-text);letter-spacing:.3px}.shelf__upload-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text);font-size:13px;font-family:inherit;padding:8px 14px;border-radius:8px;cursor:pointer;transition:border-color .14s,color .14s,background .14s}.shelf__upload-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}.shelf__upload-btn svg{flex:none}.shelf__search-wrap{position:relative;width:100%;max-width:620px;margin:0 auto;display:flex;align-items:center}.shelf__search-icon{position:absolute;left:18px;display:flex;color:var(--c-text-dim);pointer-events:none}.shelf__search{width:100%;height:48px;padding:0 44px 0 48px;border:1px solid var(--c-border);border-radius:24px;background:var(--c-bg-soft, #f8f8f9);color:var(--c-text);font-size:14.5px;font-family:inherit;transition:border-color .16s,background .16s,box-shadow .16s}.shelf__search::placeholder{color:var(--c-text-dim)}.shelf__search:focus{outline:none;background:var(--c-surface);border-color:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-soft)}.shelf__search-clear{position:absolute;right:14px;width:24px;height:24px;border:none;border-radius:50%;background:#7f7f7f26;color:var(--c-text-soft);font-size:15px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}.shelf__search-clear:hover{background:#7f7f7f47}.shelf__tags{display:none}.shelf__tag{border:none;background:transparent;color:var(--c-text-dim);font-size:12px;padding:4px 12px;border-radius:13px;cursor:pointer;transition:background .14s,color .14s}.shelf__tag:hover{background:var(--c-primary-soft);color:var(--c-primary)}.shelf__body{max-width:1080px;margin:0 auto;padding:32px 32px 72px}.shelf__section+.shelf__section{margin-top:44px}.shelf__section-title{font-size:15px;font-weight:600;color:var(--c-text);margin:0 0 16px;display:flex;align-items:baseline;gap:8px}.shelf__section-title--gap{margin-top:36px}.shelf__count{font-size:12px;font-weight:400;color:var(--c-text-dim)}.shelf__empty{padding:56px 0;text-align:center;color:var(--c-text-dim);font-size:14px}.shelf__hint{margin:40px 0 0;font-size:12px;color:var(--c-text-dim);line-height:1.7}.shelf__hint code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--c-bg-mute, #f1f3f5);padding:1px 5px;border-radius:4px}.shelf-cover{position:relative;flex:none;border-radius:4px;overflow:hidden;box-shadow:0 2px 6px #00000024,0 0 0 .5px #0000000a;background:var(--c-bg-mute)}.shelf-cover--md{width:56px;height:76px}.shelf-cover--sm{width:40px;height:54px}.shelf-cover img{width:100%;height:100%;object-fit:cover;display:block}.shelf-cover__inner{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:6px}.shelf-cover__text{color:#fffffff5;font-weight:600;font-size:16px;letter-spacing:1px;text-align:center;line-height:1.2;text-shadow:0 1px 2px rgba(0,0,0,.18)}.shelf-cover--sm .shelf-cover__text{font-size:12px}.shelf-cover__badge{position:absolute;top:4px;right:4px;background:#0000008c;color:#fff;font-size:9px;padding:1px 4px;border-radius:3px;line-height:1.4;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.shelf__recent{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.shelf__recent-card{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--c-border);border-radius:12px;background:var(--c-surface);cursor:pointer;text-align:left;font-family:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}.shelf__recent-card:hover{border-color:var(--c-primary);box-shadow:0 4px 16px #0052d91a;transform:translateY(-1px)}.shelf__recent-info{flex:1;min-width:0}.shelf__recent-title{font-size:13.5px;font-weight:600;color:var(--c-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.shelf__recent-sub{font-size:12px;color:var(--c-text-dim);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.shelf__recent-bar{height:4px;border-radius:2px;background:var(--c-border);margin-top:10px;overflow:hidden}.shelf__recent-bar span{display:block;height:100%;background:var(--c-primary);border-radius:2px;transition:width .3s}.shelf__recent-percent{flex:none;font-size:13px;font-weight:600;color:var(--c-primary)}.shelf__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px;align-items:stretch}.shelf-card-wrap{position:relative}.shelf-card{width:100%;height:100%;display:flex;gap:14px;padding:16px;border:1px solid var(--c-border);border-radius:12px;background:var(--c-surface);cursor:pointer;text-align:left;font-family:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}.shelf-card:hover{border-color:var(--c-primary);box-shadow:0 6px 18px #00000014;transform:translateY(-2px)}.shelf-card__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.shelf-card__title{font-size:14px;font-weight:600;color:var(--c-text);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.8em}.shelf-card__desc{font-size:12px;color:var(--c-text-soft);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3.1em}.shelf-card__meta{font-size:11px;color:var(--c-text-dim);display:flex;align-items:center;gap:4px;margin-top:auto}.shelf-card__dot{opacity:.5}.shelf-card__notes{color:var(--c-primary)}.shelf-card--add{flex-direction:column;align-items:center;justify-content:center;gap:6px;border-style:dashed;border-color:var(--c-border);background:var(--c-bg-soft, #fafafa);color:var(--c-text-dim)}.shelf-card--add:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);transform:none}.shelf-card--add__plus{display:flex;color:currentColor}.shelf-card--add__text{font-size:13px;font-weight:500}.shelf-card--add__hint{font-size:11px;opacity:.7}.shelf-card--collection{position:relative}.shelf-card__covers2x2{flex:none;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:1px;width:56px;height:76px;background:#fff;border-radius:4px;overflow:hidden;box-shadow:0 2px 6px #00000024,0 0 0 .5px #0000000a}.shelf-card__covers2x2-empty{grid-column:1 / -1;grid-row:1 / -1;display:flex;align-items:center;justify-content:center;background:var(--c-bg-mute);color:var(--c-text-faint);font-size:11px}.shelf-card__mini-cover{display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600;text-shadow:0 1px 1px rgba(0,0,0,.25);overflow:hidden}.shelf-card__collection-books{display:flex;flex-direction:column;gap:2px;min-height:3.1em;justify-content:center}.shelf-card__collection-book{font-size:12px;color:var(--c-text-soft);line-height:1.55;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shelf-card__collection-book:before{content:"·";margin-right:4px;color:var(--c-text-faint)}.shelf-card--collection.is-drop-target{outline:2px dashed var(--c-primary);outline-offset:2px;background:var(--c-primary-soft)}.shelf-card__drop-hint{position:absolute;inset:auto 0 0 0;padding:6px;background:var(--c-primary);color:#fff;font-size:12px;text-align:center;border-radius:0 0 8px 8px;pointer-events:none}.collection__header{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}.collection__back{border:none;background:transparent;color:var(--c-text-soft);font-size:13px;font-family:inherit;cursor:pointer;padding:6px 10px;border-radius:6px;transition:background .12s,color .12s}.collection__back:hover{background:#0000000e;color:var(--c-text)}.collection__title{font-size:20px;font-weight:700;color:var(--c-text);margin:0}.collection__actions{margin-left:auto;display:flex;gap:8px}.collection__action-btn{border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text-soft);font-size:12px;font-family:inherit;padding:6px 12px;border-radius:999px;cursor:pointer;transition:border-color .12s,color .12s}.collection__action-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}.collection__action-btn.is-danger{border-color:#d92d20;color:#d92d20}.collection__book-wrap{position:relative}.collection__remove{position:absolute;top:8px;right:8px;z-index:2;width:22px;height:22px;border:none;border-radius:50%;background:#00000073;color:#fff;font-size:13px;line-height:1;cursor:pointer;opacity:0;transition:opacity .12s,background .12s}.collection__book-wrap:hover .collection__remove{opacity:1}.collection__remove:hover{background:#d92d20}.collection-modal__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center}.collection-modal{width:420px;max-width:92vw;max-height:80vh;display:flex;flex-direction:column;background:var(--c-surface);border-radius:14px;box-shadow:var(--shadow-lg);padding:20px}.collection-modal__title{font-size:16px;font-weight:600;color:var(--c-text);margin-bottom:14px}.collection-modal__name{border:1px solid var(--c-border);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;color:var(--c-text);background:var(--c-surface);outline:none;margin-bottom:12px;transition:border-color .12s}.collection-modal__name:focus{border-color:var(--c-primary)}.collection-modal__list{flex:1;min-height:120px;overflow-y:auto;border:1px solid var(--c-border);border-radius:8px;margin-bottom:16px}.collection-modal__empty{padding:24px;text-align:center;color:var(--c-text-dim);font-size:13px}.collection-modal__row{display:flex;align-items:center;gap:10px;padding:9px 12px;cursor:pointer;transition:background .1s}.collection-modal__row:hover{background:#0000000a}.collection-modal__row input[type=checkbox]{accent-color:var(--c-primary);flex:none}.collection-modal__chip{width:22px;height:22px;border-radius:5px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:600;flex:none}.collection-modal__book-title{flex:1;min-width:0;font-size:13px;color:var(--c-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.collection-modal__book-meta{font-size:11px;color:var(--c-text-faint);flex:none}.collection-modal__footer{display:flex;justify-content:flex-end;gap:8px}.collection-modal__btn{border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text-soft);font-size:13px;font-family:inherit;padding:8px 16px;border-radius:8px;cursor:pointer;transition:background .12s}.collection-modal__btn:hover{background:#0000000b}.collection-modal__btn--primary{background:var(--c-primary);border-color:var(--c-primary);color:#fff}.collection-modal__btn--primary:hover:not(:disabled){background:#003fb0}.collection-modal__btn--primary:disabled{opacity:.45;cursor:not-allowed}.shelf-card__ops{position:absolute;top:10px;right:10px}.shelf-card__ops-btn{width:24px;height:24px;border:none;border-radius:6px;background:transparent;color:var(--c-text-dim);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .14s,background .14s}.shelf-card-wrap:hover .shelf-card__ops-btn{opacity:1}.shelf-card__ops-btn:hover{background:var(--c-bg-mute);color:var(--c-text)}.shelf-card__menu-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30}.shelf-card__menu{position:absolute;top:calc(100% + 4px);right:0;min-width:120px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:8px;box-shadow:0 8px 24px #0000001f;z-index:40;overflow:hidden}.shelf-card__menu-item{display:block;width:100%;border:none;background:transparent;color:var(--c-text);font-size:12.5px;font-family:inherit;text-align:left;padding:9px 12px;cursor:pointer;transition:background .12s}.shelf-card__menu-item:hover{background:var(--c-bg-mute)}.shelf-card__menu-item--danger{color:#c93a3a}.shelf__hits{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.shelf__hit{width:100%;border:1px solid var(--c-border);border-radius:10px;background:var(--c-surface);padding:12px 14px;cursor:pointer;text-align:left;font-family:inherit;transition:border-color .14s,background .14s}.shelf__hit:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}.shelf__hit-meta{display:flex;align-items:center;gap:6px;font-size:11px;margin-bottom:9px;line-height:1.5}.shelf__hit-book{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);padding:2px 8px;border-radius:10px}.shelf__hit-sep{color:var(--c-border)}.shelf__hit-chapter{color:var(--c-text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.shelf__hit-text{font-size:12.5px;color:var(--c-text-soft);line-height:1.65}.shelf__hit-text mark{background:#fff3a0;color:#1f2329;padding:0 1px;border-radius:2px}.upmodal__mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.upmodal{width:100%;max-width:440px;background:var(--c-surface);border-radius:14px;box-shadow:0 16px 48px #0003;overflow:hidden}.upmodal__head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-border)}.upmodal__title{font-size:15px;font-weight:600;color:var(--c-text)}.upmodal__close{border:none;background:transparent;font-size:22px;line-height:1;color:var(--c-text-soft);cursor:pointer;width:28px;height:28px;border-radius:6px}.upmodal__close:hover{background:var(--c-bg-mute)}.upmodal__drop{width:calc(100% - 40px);margin:20px;padding:36px 20px;border:1.5px dashed var(--c-border);border-radius:12px;background:var(--c-bg-soft, #fafafa);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;font-family:inherit;transition:border-color .15s,background .15s}.upmodal__drop.is-dragging,.upmodal__drop:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}.upmodal__drop-icon{color:var(--c-primary);display:flex;margin-bottom:4px}.upmodal__drop-text{font-size:14px;font-weight:500;color:var(--c-text)}.upmodal__drop-sub{font-size:12px;color:var(--c-text-dim)}.upmodal__err{margin:0 20px;padding:10px 12px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#b91c1c;font-size:12.5px;line-height:1.5}.upmodal__note{padding:16px 20px 20px;border-top:1px solid var(--c-border);background:var(--c-bg-soft, #fafafa)}.upmodal__note-line{font-size:12px;color:var(--c-text-soft);line-height:1.7;margin:0 0 6px}.upmodal__note-line:last-child{margin-bottom:0}.upmodal__note-line strong{color:var(--c-text)}.upmodal__note-line code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--c-bg-mute, #f1f3f5);padding:1px 5px;border-radius:4px}@media (max-width: 640px){.shelf__hero{padding:16px 16px 0;gap:16px}.shelf__body{padding:22px 16px 48px}.shelf__grid,.shelf__recent{grid-template-columns:1fr}}