:root{--paper:#f6f8fc;--surface:#fff;--ink:#293247;--muted:#70798b;--accent:#5273b5;--accent-dark:#3e5d99;--soft:#e8eef9;--line:#e2e7ef;--rose:#ad7188;--serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC",SimSun,serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light}
:root[data-theme=dark]{--paper:#171d29;--surface:#202838;--ink:#e2e7f0;--muted:#a3adc0;--accent:#99b5eb;--accent-dark:#bdd0f4;--soft:#2d3b54;--line:#354056;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 var(--sans)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:hover{color:var(--accent)}button:disabled{opacity:.45;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{color:inherit}img{max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35}h1,h2{font-family:var(--serif)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;top:-90px;left:16px;background:var(--ink);color:var(--surface);padding:12px 20px;z-index:100}.skip-link:focus{top:10px}[hidden]{display:none!important}
.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:var(--surface)}.header-inner{max-width:1200px;margin:auto;min-height:88px;padding:14px 28px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:1px}.brand-mark{background:var(--accent);color:#fff;border-radius:5px 15px 5px 5px;font-size:26px;line-height:46px;text-align:center;width:44px}.brand small{display:block;font-family:var(--sans);font-size:10px;font-weight:400;color:var(--muted);letter-spacing:2px;margin-top:2px}.main-nav{display:flex;gap:25px;white-space:nowrap;font-size:14px}.main-nav a{padding:8px 0}.main-nav [aria-current]{color:var(--accent);border-bottom:2px solid var(--accent)}.header-search{margin-left:auto;display:flex;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:7px;max-width:230px}.header-search input{width:100%;min-width:0;padding:9px 10px 9px 14px;border:0;background:transparent;color:var(--ink);font-size:13px}.header-search button{border:0;background:none;width:40px;font-size:25px;line-height:1}.icon-button{border:1px solid var(--line);border-radius:7px;width:40px;height:40px;background:var(--surface);flex-shrink:0;font-size:20px}.page-shell{max-width:1200px;margin:auto;padding:34px 28px 70px}.home-hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:48px;min-height:300px;padding:30px 0 38px;border-bottom:1px solid var(--line)}.hero-intro .quiet-label{color:var(--accent);font-size:13px;letter-spacing:3px;margin-bottom:15px}.hero-intro h1{font-size:43px;font-weight:600;letter-spacing:1px;line-height:1.55;margin-bottom:17px}.hero-intro>p{max-width:410px;color:var(--muted);line-height:1.9}.hero-intro .text-link{margin-top:21px;display:inline-flex}.hero-shelf{padding:25px 10px 0;display:flex;justify-content:center;align-items:flex-end;gap:16px;min-width:0;border-bottom:8px solid var(--line)}.hero-book{writing-mode:vertical-rl;text-orientation:upright;width:96px;min-height:205px;max-height:240px;overflow:hidden;display:flex;gap:13px;justify-content:center;align-items:center;padding:18px 13px;color:#fff;border-radius:3px 7px 0 0;border-left:5px solid #ffffff20;font-family:var(--serif);font-size:20px;line-height:1.5;box-shadow:4px 0 8px #2932470b}.hero-book:nth-child(2){height:232px;background:#8d9ca8}.hero-book:nth-child(3){height:188px;background:#ad8394}.hero-book:nth-child(4){height:215px;background:#899c86}.hero-book:first-child{height:210px;background:#526c98}.hero-book small{font-family:var(--sans);font-size:10px;opacity:.8;max-height:170px;overflow:hidden;letter-spacing:1px}.hero-book:hover{color:#fff;filter:brightness(1.08)}.category-nav{display:flex;flex-wrap:wrap;gap:9px 12px;padding:24px 0;border-bottom:1px solid var(--line);align-items:center}.category-nav>strong{font-size:13px;margin-right:10px}.category-chip{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:99px;padding:5px 14px;font-size:12px;background:var(--surface);color:var(--muted);white-space:nowrap}.category-chip:hover,.category-chip.active,.category-chip[aria-current]{border-color:var(--accent);background:var(--soft);color:var(--accent)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:32px 0 22px}.section-heading h2{font-size:25px;font-weight:600}.section-heading p{font-size:13px;color:var(--muted);margin-top:5px}.section-heading>a,.text-link{color:var(--accent);font-size:13px}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:32px;row-gap:30px}.book-card{min-width:0;display:flex;align-items:flex-start;gap:16px}.book-cover{position:relative;overflow:hidden;display:grid;place-items:center;width:85px;height:120px;flex-shrink:0;border-radius:3px 6px 6px 3px;border-left:4px solid #ffffff24;background:#637d99;color:#fff}.book-cover>span{font:38px var(--serif);opacity:.8}.book-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.tone-0{background:#637d99}.tone-1{background:#a27d8f}.tone-2{background:#7d9386}.tone-3{background:#9b8a75}.tone-4{background:#8b86a3}.book-copy{min-width:0;padding-top:1px}.book-title{font-family:var(--serif);font-size:17px;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5;max-height:3em}.book-author{font-size:12px;color:var(--muted);margin:6px 0}.book-description{color:var(--muted);font-size:12px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-meta{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:10px;margin-top:9px;color:var(--accent)}.home-bottom{display:grid;grid-template-columns:2fr 1fr;gap:44px;padding-top:20px;margin-top:20px}.recent-list{list-style:none;padding:0;margin:0}.recent-list li{padding:13px 0;display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);font-size:13px}.recent-list .category-label{color:var(--muted);font-size:11px;min-width:56px}.recent-list .recent-title{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;flex:1}.recent-list .recent-author{color:var(--muted);font-size:12px;max-width:95px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.reading-note{padding:25px;background:var(--soft);border-radius:8px;align-self:start;margin-top:34px}.reading-note h2{font-size:22px;margin-bottom:14px}.reading-note p{font-size:13px;color:var(--muted);line-height:1.9}.reading-note a{margin-top:18px;display:inline-block;color:var(--accent);font-size:13px}.site-footer{max-width:1144px;margin:auto;padding:35px 0 40px;border-top:1px solid var(--line);display:flex;gap:55px;justify-content:space-between;font-size:12px;color:var(--muted)}.footer-brand{font-family:var(--serif);color:var(--ink);font-size:18px}.site-footer p{margin-top:8px}.site-footer nav{display:flex;gap:24px;align-items:start;padding-top:6px}.footer-note{font-size:11px;text-align:right;line-height:1.9}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:12px;margin-bottom:30px}.page-title{font-size:32px;margin:8px 0 12px}.page-lede{color:var(--muted);font-size:14px}.filter-bar{display:flex;align-items:center;gap:14px;justify-content:space-between;border-bottom:1px solid var(--line);padding:20px 0;margin-bottom:28px}.filter-bar select{background:var(--surface);border:1px solid var(--line);padding:8px 12px;color:var(--ink);border-radius:6px}.muted{color:var(--muted);font-size:13px}.empty-state{padding:65px 25px;text-align:center;grid-column:1/-1}.empty-state h2{font-size:25px;margin-bottom:12px}.empty-state p{color:var(--muted);margin-bottom:24px}.button{display:inline-flex;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:10px 24px;background:var(--surface);border:1px solid var(--line);border-radius:7px;font-size:14px;line-height:1.4}.button:hover{border-color:var(--accent);color:var(--accent)}.button.primary{background:var(--accent);color:var(--surface);border-color:var(--accent)}[data-theme=dark] .button.primary{color:#182139}.button.primary:hover{background:var(--accent-dark)}.button.small{min-height:36px;padding:7px 14px;font-size:12px}.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin:32px 0 10px}.pagination span{font-size:12px;color:var(--muted)}.search-form{display:flex;gap:10px;max-width:650px;margin:26px 0}.search-form input{flex:1;min-width:0;padding:12px 16px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:7px}.book-hero{display:flex;gap:42px;padding:6px 0 36px}.detail-cover{width:174px;height:244px;border-radius:4px 10px 10px 4px}.detail-cover>span{font-size:70px}.detail-info{min-width:0;flex:1}.detail-info h1{font-size:34px;line-height:1.5;margin:12px 0 6px;overflow-wrap:anywhere}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.tag-row .category-chip{font-size:11px;padding:3px 11px}.detail-author{font-size:14px;color:var(--muted);margin-bottom:22px}.detail-stats{display:flex;gap:38px;margin:0 0 26px}.detail-stats dt{font-size:11px;color:var(--muted)}.detail-stats dd{margin:5px 0 0;font-size:15px}.detail-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px}.intro-section{padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.intro-section h2{font-size:22px;margin-bottom:15px}.intro-text{font:16px/2 var(--serif);max-width:850px;white-space:normal;overflow-wrap:anywhere}.chapter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 28px}.chapter-grid a{font-size:13px;padding:12px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-bottom:1px solid var(--line)}.chapter-grid a.current{color:var(--accent);font-weight:700}.related-section{border-top:1px solid var(--line);margin-top:35px}.reader-shell{max-width:850px;margin:auto;padding:26px 28px 55px}.reader-toolbar{display:flex;gap:9px;flex-wrap:wrap;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:20px}.reader-toolbar .controls{display:flex;gap:8px;flex-wrap:wrap}.reader-toolbar label{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted)}.reader-toolbar select{background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:4px;padding:7px}.reader-heading{padding:35px 0 28px}.reader-heading .reader-book{font-size:13px;color:var(--muted)}.reader-heading h1{font-size:27px;margin-top:13px;overflow-wrap:anywhere}.chapter-body{font:var(--reader-size,20px)/var(--reader-line,2) var(--serif);overflow-wrap:anywhere;min-height:300px}.chapter-body p{margin:0 0 1.2em;text-indent:2em}.chapter-body .empty-state p{text-indent:0;font-family:var(--sans);font-size:14px}.reader-nav{display:flex;gap:14px;justify-content:center;position:sticky;bottom:0;padding:14px 0;background:var(--paper);border-top:1px solid var(--line);margin-top:35px;padding-bottom:max(14px,env(safe-area-inset-bottom))}.reader-nav .button{flex:1;max-width:230px}.reader-end{text-align:center;color:var(--muted);font-size:12px;padding:20px}.catalog-dialog{border:1px solid var(--line);border-radius:10px;padding:25px;background:var(--surface);color:var(--ink);max-width:820px;width:calc(100vw - 30px);max-height:80dvh;overflow:auto}.catalog-dialog::backdrop{background:#10192b66}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.dialog-heading h2{font-size:22px}.catalog-dialog .chapter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:11px 23px;border-radius:8px;z-index:60;max-width:90vw;text-align:center;font-size:13px}.shelf-actions{margin-top:12px;display:flex;gap:12px;align-items:center}.shelf-actions .button{font-size:11px;min-height:32px;padding:6px 10px}.about-copy{max-width:760px;line-height:2}.about-copy h2{margin:25px 0 12px;font-size:22px}.about-copy p{margin:12px 0;color:var(--muted)}.notice{border:1px solid var(--line);padding:14px 18px;border-radius:7px;font-size:13px;color:var(--muted);margin:22px 0}.loading-bar{height:3px;background:var(--soft);margin:20px 0}.loading-bar span{display:block;height:3px;width:35%;background:var(--accent);animation:loading 1.3s ease-in-out infinite}@keyframes loading{50%{transform:translateX(160%)}}
@media(min-width:1250px){.home-hero{gap:95px}.hero-shelf{gap:23px}}
@media(max-width:1050px){.header-inner{gap:23px}.main-nav{gap:20px}.header-search{max-width:190px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{margin:0 28px}.hero-intro h1{font-size:35px}.hero-book{width:76px;font-size:18px}.hero-book:nth-child(4){display:none}}
@media(max-width:700px){body{font-size:14px}.header-inner{padding:12px 18px;gap:12px;flex-wrap:wrap;min-height:0}.brand{font-size:19px}.brand-mark{width:34px;line-height:37px;font-size:23px}.brand small{font-size:9px;letter-spacing:1px}.main-nav{order:4;width:100%;justify-content:space-between;border-top:1px solid var(--line);padding-top:5px;gap:20px;font-size:13px}.header-search{margin-left:auto;max-width:160px;flex:1}.header-search input{padding:8px;width:100%;font-size:12px}.header-search button{width:30px}.icon-button{width:34px;height:34px;font-size:18px}.page-shell{padding:24px 18px 45px}.home-hero{grid-template-columns:1fr;gap:25px;padding:14px 0 25px;min-height:0}.hero-intro .quiet-label{font-size:11px;margin-bottom:10px}.hero-intro h1{font-size:31px;line-height:1.5;margin-bottom:13px}.hero-intro>p{font-size:13px;max-width:100%}.hero-intro .text-link{margin-top:13px}.hero-shelf{justify-content:space-evenly;gap:10px;padding-top:0;max-width:400px;width:100%;margin:auto;border-bottom-width:6px}.hero-book{min-height:136px;width:66px;font-size:16px;max-height:170px;padding:10px;gap:9px}.hero-book:first-child{height:145px}.hero-book:nth-child(2){height:167px}.hero-book:nth-child(3){height:136px}.hero-book:nth-child(4){display:flex;height:152px}.hero-book small{font-size:8px}.category-nav{padding:19px 0;gap:9px}.category-nav>strong{width:100%;font-size:12px}.category-chip{padding:5px 11px;font-size:11px}.section-heading{margin:25px 0 19px}.section-heading h2{font-size:22px}.book-grid{gap:23px 15px}.book-card{gap:10px}.book-cover{width:62px;height:91px}.book-cover>span{font-size:29px}.book-title{font-size:14px}.book-author{font-size:10px;margin:5px 0}.book-description{display:none}.book-meta{margin-top:7px;font-size:9px;gap:3px}.home-bottom{grid-template-columns:1fr;gap:0;padding-top:0;margin-top:10px}.reading-note{margin-top:26px;padding:22px}.reading-note h2{font-size:21px}.site-footer{margin:0 18px;padding:28px 0;gap:20px;flex-wrap:wrap}.site-footer nav{gap:18px;font-size:11px}.footer-note{text-align:left;width:100%}.breadcrumbs{margin-bottom:20px;font-size:11px;gap:7px}.page-title{font-size:29px}.page-lede{font-size:12px}.book-hero{gap:19px;padding-bottom:25px}.detail-cover{width:98px;height:143px}.detail-cover>span{font-size:40px}.detail-info h1{font-size:23px;margin:10px 0 6px}.detail-author{font-size:12px;margin-bottom:12px}.detail-stats{gap:17px;margin-bottom:17px;flex-wrap:wrap}.detail-stats dt{font-size:10px}.detail-stats dd{font-size:12px}.detail-actions{gap:9px}.detail-actions .button{padding:9px 13px;font-size:12px;min-height:40px}.detail-actions .text-link{font-size:11px}.tag-row{gap:5px}.tag-row .category-chip{font-size:9px;padding:2px 8px}.chapter-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 17px}.chapter-grid a{font-size:12px}.intro-text{font-size:15px;line-height:1.9}.reader-shell{padding:20px 18px 30px}.reader-toolbar{gap:12px}.reader-toolbar .controls{gap:6px}.reader-toolbar label{font-size:11px}.reader-heading{padding:27px 0 23px}.reader-heading h1{font-size:23px}.chapter-body{font-size:var(--reader-size,19px)}.reader-nav{gap:8px}.reader-nav .button{padding:11px 9px;font-size:13px}.filter-bar{padding:15px 0;margin-bottom:23px}.filter-bar select{font-size:12px}.empty-state{padding:45px 10px}.empty-state h2{font-size:22px}.search-form{gap:8px}.search-form .button{padding:10px 16px}.catalog-dialog{padding:20px 16px}}
@media(max-width:360px){.brand small{display:none}.brand{font-size:17px;gap:7px}.header-inner{gap:8px;padding:11px 14px}.header-search{max-width:120px}.page-shell{padding-left:14px;padding-right:14px}.hero-intro h1{font-size:28px}.book-grid{grid-template-columns:1fr}.book-cover{width:72px;height:102px}.book-title{font-size:16px}.book-description{display:-webkit-box;font-size:11px}.detail-cover{width:83px;height:124px}.detail-info h1{font-size:21px}.book-hero{gap:14px}.detail-actions .text-link{width:100%}.detail-stats{gap:12px}.hero-book{width:60px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.loading-bar span{animation:none}}