:root{--ink:#18201d;--muted:#737b76;--green:#193c33;--lime:#d8f181;--paper:#f8f7f1;--line:#dedfd7;--serif:'Noto Serif SC',serif;--sans:'DM Sans','PingFang SC',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans)}.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:30}.read-progress span{display:block;height:100%;width:0;background:#95c53b}.reader-topbar{height:68px;padding:0 28px;display:flex;align-items:center;border-bottom:1px solid var(--line);background:rgba(248,247,241,.94);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.back{color:#4e5a54;text-decoration:none;font-size:11px}.reader-title{position:absolute;left:50%;transform:translateX(-50%);text-align:center}.reader-title b{display:block;font:600 12px var(--serif)}.reader-title small{font-size:8px;color:#969c98}.reader-topbar button{margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 11px;font:10px var(--sans);display:none}.reader-layout{display:grid;grid-template-columns:275px minmax(0,1fr);max-width:1220px;margin:auto}.reader-toc{height:calc(100vh - 68px);position:sticky;top:68px;border-right:1px solid var(--line);padding:35px 22px;overflow:auto}.toc-head span,.kicker{font-size:9px;letter-spacing:1.5px;color:#839087;font-weight:600}.toc-head h2{font:600 21px var(--serif);margin:7px 0 18px}.book-search{display:flex;align-items:center;gap:7px;background:#ecece5;border-radius:8px;padding:9px 11px}.book-search input{border:0;background:transparent;outline:0;width:100%;font:10px var(--sans)}#bookToc{display:grid;gap:2px;margin-top:20px}#bookToc a{font:10px/1.5 var(--sans);color:#78817b;text-decoration:none;padding:7px 9px;border-left:2px solid transparent}#bookToc a:hover{color:#244c3f;border-left-color:#97bd50;background:#eff1e7}.search-result{font-size:9px;color:#758078;margin:8px 3px 0}.reader-main{max-width:830px;width:100%;margin:auto;padding:55px 70px 100px}.book-hero{background:#1b3d34;color:#fff;border-radius:19px;padding:36px;display:flex;align-items:center;gap:35px;margin-bottom:55px}.book-art{width:145px;height:205px;flex:0 0 145px;background:#d9ee91;color:#193c33;padding:18px;box-shadow:9px 11px 0 #102b24;display:flex;flex-direction:column}.book-art span{font-size:10px;letter-spacing:2px;line-height:1.3}.book-art strong{font:700 22px var(--serif);margin-top:auto}.book-art small{font:10px var(--serif)}.book-hero h1{font:700 32px/1.35 var(--serif);margin:10px 0}.book-hero h1 em{font-style:normal;color:#d8f181}.book-hero p{color:#adbfba;font:11px var(--serif)}.book-facts{display:flex;gap:7px;margin-top:18px}.book-facts span{font-size:8px;padding:5px 7px;border:1px solid #46675e;border-radius:5px;color:#b9cbc6}.markdown-body{font:16px/2 var(--serif);color:#343b37}.markdown-body h1,.markdown-body h2,.markdown-body h3{scroll-margin-top:90px;color:#192a24}.markdown-body h1{font:700 27px/1.5 var(--serif);margin:60px 0 23px;padding-top:20px;border-top:1px solid var(--line)}.markdown-body h2{font:600 22px/1.5 var(--serif);margin:45px 0 18px}.markdown-body h3{font:600 18px/1.5 var(--serif);margin:35px 0 15px}.markdown-body p{margin:0 0 20px}.markdown-body hr{border:0;border-top:1px solid #e4e4dd;margin:35px 0}.markdown-body blockquote{border-left:3px solid #a9c66c;margin:25px 0;padding:5px 20px;color:#5f6d64;background:#f0f2e8}.markdown-body mark{background:#e2f3a7;color:inherit}.loading{text-align:center;color:#98a09b;padding:80px}.reader-footer{text-align:center;border-top:1px solid var(--line);padding-top:25px;margin-top:60px;font-size:9px;color:#9da29f}@media(max-width:780px){.reader-topbar{padding:0 16px}.reader-title{max-width:180px}.reader-title b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-topbar button{display:block}.reader-layout{display:block}.reader-toc{display:none;position:fixed;top:68px;left:0;bottom:0;width:82vw;height:auto;background:#f8f7f1;z-index:15;box-shadow:12px 0 40px rgba(0,0,0,.15)}.reader-toc.open{display:block}.reader-main{padding:28px 19px 70px}.book-hero{padding:24px 19px;gap:20px;margin-bottom:35px}.book-art{width:90px;height:135px;flex-basis:90px;padding:10px;box-shadow:6px 7px 0 #102b24}.book-art span{font-size:6px}.book-art strong{font-size:14px}.book-art small{font-size:7px}.book-hero h1{font-size:22px}.book-facts{flex-wrap:wrap}.markdown-body{font-size:15px;line-height:1.9}.markdown-body h1{font-size:23px}}