:root{--color-brand: #3377aa;--color-brand-hover: #265d85;--color-brand-light: #eef5f9;--color-brand-green: #37a244;--color-douban-accent: #2e7d32;--bg-site: #fbfbfb;--bg-card: #ffffff;--bg-card-hover: #ffffff;--border-color: #eaeaea;--border-subtle: #f0f0f0;--text-primary: #222222;--text-secondary: #666666;--text-muted: #999999;--text-inverse: #ffffff;--book-shadow: 0 4px 12px rgba(0, 0, 0, .08), 0 1px 3px rgba(0, 0, 0, .06);--book-shadow-hover: 0 12px 28px rgba(0, 0, 0, .14), 0 4px 10px rgba(0, 0, 0, .08);--book-spine-gradient: linear-gradient(to right, rgba(0, 0, 0, .28) 0%, rgba(0, 0, 0, .08) 5%, rgba(255, 255, 255, .15) 8%, rgba(0, 0, 0, .03) 12%, rgba(0, 0, 0, 0) 100%);--font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", "STSong", "SimSun", "Georgia", serif;--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;--font-kaiti: "Kaiti SC", "STKaiti", "KaiTi", "SimKai", "Songti SC", serif;--container-max-width: 1120px;--reader-max-width: 760px;--transition-speed: .22s}body[data-reader-theme=paper]{--reader-bg: #f9f6f0;--reader-text: #2c2c2c;--reader-meta: #7c766e;--reader-border: #ede6d8;--reader-ui-bg: rgba(249, 246, 240, .94);--reader-control-hover: #ece5d6}body[data-reader-theme=white]{--reader-bg: #ffffff;--reader-text: #222222;--reader-meta: #888888;--reader-border: #eeeeee;--reader-ui-bg: rgba(255, 255, 255, .94);--reader-control-hover: #f5f5f5}body[data-reader-theme=grey]{--reader-bg: #eceae8;--reader-text: #242424;--reader-meta: #6e6b68;--reader-border: #dbd8d4;--reader-ui-bg: rgba(236, 234, 232, .94);--reader-control-hover: #dfdcd9}body[data-reader-theme=night]{--reader-bg: #1c1d1e;--reader-text: #d2d2d2;--reader-meta: #818385;--reader-border: #2e3032;--reader-ui-bg: rgba(28, 29, 30, .94);--reader-control-hover: 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var(--border-color);border-radius:12px;padding:36px 40px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 12px #00000008}.banner-left{max-width:680px}.banner-welcome{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--color-brand-green);font-weight:600;margin-bottom:8px}.banner-author-title{font-family:var(--font-serif);font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:12px;line-height:1.3}.banner-bio{font-size:15px;color:var(--text-secondary);line-height:1.7}.shelf-toolbar{max-width:var(--container-max-width);margin:36px auto 28px;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.shelf-tags{display:flex;gap:8px;flex-wrap:wrap}.tag-btn{padding:6px 14px;border-radius:20px;font-size:13px;color:var(--text-secondary);background-color:var(--bg-card);border:1px solid var(--border-color);transition:all .2s 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#3377aa59;transform:translateY(-1px)}.btn-read.is-resume{background-color:#27628c}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000073;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s ease}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-container{background-color:#fff;width:90%;max-width:580px;max-height:80vh;border-radius:12px;box-shadow:0 16px 40px #0003;display:flex;flex-direction:column;overflow:hidden;transform:scale(.95);transition:transform .25s ease}.modal-overlay.active .modal-container{transform:scale(1)}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.modal-title{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--text-primary)}.modal-close-btn{font-size:20px;color:var(--text-muted);cursor:pointer;padding:4px 8px}.modal-body{padding:16px 24px;overflow-y:auto;flex:1}.modal-toc-list{list-style:none}.modal-toc-item{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:6px;font-size:14px;color:var(--text-primary);transition:background-color .15s;cursor:pointer}.modal-toc-item:hover{background-color:var(--color-brand-light);color:var(--color-brand)}.modal-toc-words{font-size:12px;color:var(--text-muted)}.site-footer{border-top:1px solid var(--border-color);padding:40px 24px;text-align:center;font-size:13px;color:var(--text-muted)}.footer-links{margin-bottom:8px}.footer-links a{margin:0 8px;color:var(--text-secondary)}.footer-links a:hover{color:var(--color-brand)}@media(max-width:640px){.header-container{padding:0 16px;height:56px}.brand-title{font-size:19px}.shelf-toolbar{margin:20px auto 16px;padding:0 16px;gap:12px}.shelf-tags{display:flex;flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:6px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.shelf-tags::-webkit-scrollbar{display:none}.tag-btn{flex-shrink:0;padding:5px 12px;font-size:12px}.banner-card{padding:20px 16px}.books-grid{grid-template-columns:1fr;padding:0 14px;gap:16px;margin-bottom:48px}.book-card{padding:14px;gap:14px;border-radius:8px}.book-cover-wrap{width:88px;height:126px}.book-title{font-size:16px;margin-bottom:4px}.book-author-line{font-size:12px;margin-bottom:6px}.book-desc{font-size:12px;line-height:1.55;-webkit-line-clamp:2;margin-bottom:8px}.book-meta-footer{padding-top:10px;gap:8px}.meta-stats{font-size:11px}.meta-last-read{font-size:10px;max-width:110px}.btn-toc,.btn-read{height:30px;padding:0 10px;font-size:12px}.site-footer{padding:30px 16px env(safe-area-inset-bottom,20px)}}#view-reader{display:none;min-height:100vh;background-color:var(--reader-bg);color:var(--reader-text);position:relative;transition:background-color var(--transition-speed) ease,color var(--transition-speed) ease}#view-reader.active{display:block}#view-bookshelf.hidden{display:none}.reader-topbar{position:sticky;top:0;left:0;right:0;height:56px;background-color:var(--reader-ui-bg);border-bottom:1px solid var(--reader-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 24px;transition:background-color var(--transition-speed),border-color var(--transition-speed)}.reader-topbar-left,.reader-topbar-right{display:flex;align-items:center;gap:12px}.reader-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:6px;font-size:13px;color:var(--reader-meta);background-color:transparent;transition:all .2s ease;-webkit-user-select:none;user-select:none}.reader-btn:hover{background-color:var(--reader-control-hover);color:var(--reader-text)}.reader-btn svg{width:16px;height:16px;stroke:currentColor}.reader-header-title{text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:45vw}.reader-book-name{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--reader-meta);display:block}.reader-chapter-title-top{font-family:var(--font-serif);font-size:14px;font-weight:600;color:var(--reader-text)}.reader-drawer-mask{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0006;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:200;opacity:0;pointer-events:none;transition:opacity .25s ease}.reader-drawer-mask.open{opacity:1;pointer-events:auto}.reader-drawer{position:fixed;top:0;left:0;bottom:0;width:320px;max-width:85vw;background-color:var(--reader-bg);border-right:1px solid var(--reader-border);z-index:201;display:flex;flex-direction:column;transform:translate(-100%);transition:transform .28s cubic-bezier(.16,1,.3,1),background-color var(--transition-speed);box-shadow:10px 0 30px #0000001f}.reader-drawer.open{transform:translate(0)}.reader-drawer-header{padding:20px 20px 16px;border-bottom:1px solid var(--reader-border);display:flex;justify-content:space-between;align-items:center}.reader-drawer-title{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--reader-text)}.reader-drawer-list{flex:1;overflow-y:auto;padding:12px 0;list-style:none}.reader-toc-item{padding:12px 20px;font-size:14px;color:var(--reader-text);display:flex;justify-content:space-between;align-items:center;cursor:pointer;border-left:3px solid transparent;transition:all .18s}.reader-toc-item:hover{background-color:var(--reader-control-hover)}.reader-toc-item.active{background-color:var(--reader-control-hover);border-left-color:var(--color-brand);font-weight:600;color:var(--color-brand)}.reader-toc-item-words{font-size:12px;color:var(--reader-meta)}.reader-settings-panel{position:absolute;top:60px;right:24px;width:320px;background-color:var(--reader-bg);border:1px solid var(--reader-border);border-radius:12px;box-shadow:0 12px 32px #00000026;padding:20px;z-index:100;display:none;animation:panelFadeIn .2s ease}.reader-settings-panel.open{display:block}@keyframes panelFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.setting-row{margin-bottom:18px}.setting-row:last-child{margin-bottom:0}.setting-label{font-size:12px;color:var(--reader-meta);margin-bottom:8px;display:block;font-weight:500}.theme-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.theme-pill{height:38px;border-radius:8px;border:2px solid transparent;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s}.theme-pill[data-theme=paper]{background-color:#f9f6f0;color:#333;border-color:#ede6d8}.theme-pill[data-theme=white]{background-color:#fff;color:#222;border-color:#eee}.theme-pill[data-theme=grey]{background-color:#eceae8;color:#242424;border-color:#dbd8d4}.theme-pill[data-theme=night]{background-color:#1c1d1e;color:#d2d2d2;border-color:#383a3c}.theme-pill.active{border-color:var(--color-brand)!important;box-shadow:0 0 0 2px #37a3}.setting-button-group{display:flex;background-color:var(--reader-control-hover);border-radius:8px;padding:3px;gap:4px}.setting-tab-btn{flex:1;padding:7px 0;font-size:13px;color:var(--reader-meta);border-radius:6px;text-align:center;transition:all .2s}.setting-tab-btn.active{background-color:var(--reader-bg);color:var(--reader-text);font-weight:600;box-shadow:0 1px 4px #00000014}.font-size-stepper{display:flex;align-items:center;justify-content:space-between;background-color:var(--reader-control-hover);border-radius:8px;padding:4px}.stepper-btn{width:44px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;font-size:15px;font-weight:700;color:var(--reader-text);background-color:var(--reader-bg);box-shadow:0 1px 3px #0000000f;cursor:pointer}.stepper-btn:hover{background-color:var(--reader-control-hover)}.stepper-val{font-size:13px;color:var(--reader-meta)}.reader-article-container{max-width:var(--reader-max-width);margin:48px auto 140px;padding:0 32px;min-height:60vh}.reader-header{margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--reader-border);text-align:center}.reader-header-meta{font-size:13px;color:var(--reader-meta);margin-bottom:12px;letter-spacing:.05em;display:flex;align-items:center;justify-content:center;gap:12px}.reader-main-title{font-family:var(--font-serif);font-size:28px;font-weight:700;color:var(--reader-text);line-height:1.4;letter-spacing:.02em}.reader-footer-nav{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(0);width:calc(100% - 48px);max-width:var(--reader-max-width);margin:0;padding:10px 20px;background-color:var(--reader-ui-bg);border:1px solid var(--reader-border);border-radius:50px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 8px 30px #0000001f,0 2px 6px #0000000f;display:flex;justify-content:space-between;align-items:center;gap:16px;z-index:40;transition:transform .32s cubic-bezier(.16,1,.3,1),opacity .25s ease,background-color var(--transition-speed)}.reader-footer-nav.nav-hidden{transform:translate(-50%) translateY(120px);opacity:0;pointer-events:none}.nav-prev-btn,.nav-next-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;border:1px solid var(--reader-border);font-size:13px;font-weight:500;color:var(--reader-text);background-color:var(--reader-control-hover);transition:all .2s ease;cursor:pointer;-webkit-user-select:none;user-select:none}.nav-prev-btn:hover,.nav-next-btn:hover{background-color:var(--color-brand);border-color:var(--color-brand);color:#fff;transform:scale(1.02)}.nav-prev-btn[disabled],.nav-next-btn[disabled]{opacity:.35;pointer-events:none}.reader-progress-indicator{font-size:13px;font-weight:500;color:var(--reader-meta);text-align:center}.reader-shortcuts-tip{font-size:11px;color:var(--reader-meta);text-align:center;margin-top:2px;opacity:.65}#reader-article-body{touch-action:pan-y;will-change:transform,opacity}#reader-article-body.swipe-animating{transition:transform .28s cubic-bezier(.2,.9,.3,1),opacity .28s cubic-bezier(.2,.9,.3,1)}.reader-swipe-hint{position:fixed;top:50%;transform:translateY(-50%) scale(.9);padding:10px 18px;border-radius:24px;background-color:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;font-size:13px;font-weight:500;display:flex;align-items:center;gap:8px;z-index:999;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;box-shadow:0 4px 16px #0000002e}.reader-swipe-hint.show{opacity:1;transform:translateY(-50%) scale(1)}.reader-swipe-hint.hint-next{right:20px}.reader-swipe-hint.hint-prev{left:20px}@media(max-width:640px){.reader-topbar{height:52px;padding:0 12px;padding-top:env(safe-area-inset-top,0)}.reader-btn{padding:6px 8px;font-size:12px}.reader-header-title{max-width:50vw}.reader-book-name{font-size:10px}.reader-chapter-title-top{font-size:13px}.reader-drawer{width:290px;max-width:82vw}.reader-article-container{padding:0 16px;margin:20px auto 100px}.reader-header{margin-bottom:24px;padding-bottom:14px}.reader-header-meta{font-size:11px;margin-bottom:8px}.reader-main-title{font-size:21px;line-height:1.35}.reader-settings-panel{top:56px;right:8px;width:calc(100vw - 16px);padding:16px;border-radius:10px}.theme-pill{height:34px;font-size:11px}.setting-tab-btn{padding:6px 0;font-size:12px}.stepper-btn{width:38px;height:32px;font-size:13px}.stepper-val{min-width:48px;font-size:12px}.reader-footer-nav{bottom:calc(16px + env(safe-area-inset-bottom,0px));width:calc(100% - 32px);padding:8px 14px;border-radius:40px;flex-direction:row;gap:8px}.reader-footer-nav.nav-hidden{transform:translate(-50%) translateY(140px)}.nav-prev-btn,.nav-next-btn{width:auto;height:36px;padding:0 14px;font-size:13px;border-radius:20px}.reader-shortcuts-tip{display:none}}