:root{color-scheme:light;--bg:#f7f3ec;--surface:#fffdf8;--surface-strong:#fffefa;--surface-muted:#f2ece3;--text:#1d1914;--text-soft:#5d5145;--text-faint:#8d8174;--line:rgba(80,68,55,.16);--line-strong:rgba(80,68,55,.28);--accent:#8b5a2b;--accent-soft:rgba(139,90,43,.08);--accent-cool:#176d6a;--accent-cool-soft:rgba(23,109,106,.08);--radius:8px;--max-width:1180px;--reader-width:720px;--header-height:58px}*,:after,:before{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-padding-top:calc(var(--header-height) + 20px)}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:"Noto Serif SC","Source Han Serif SC",Songti SC,STSong,serif;overflow-x:hidden;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none;touch-action:manipulation}img,svg{display:block;max-width:100%}::selection{background:rgba(23,109,106,.18)}.skip-link{position:fixed;top:12px;left:12px;z-index:50;padding:9px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface-strong);font-family:Noto Sans SC,PingFang SC,sans-serif;font-size:.9rem;font-weight:700;transform:translateY(-160%)}.skip-link:focus-visible{transform:translateY(0)}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);background:hsla(38,41%,95%,.97)}.site-header.scrolled{box-shadow:0 1px 8px rgba(44,32,22,.04)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(calc(100% - 32px),var(--max-width));min-height:var(--header-height);margin:0 auto}.site-header-brand{display:inline-flex;min-width:0}.site-header-nav{display:flex;align-items:center;gap:6px;color:var(--text-faint);font-family:Noto Sans SC,PingFang SC,sans-serif;font-size:.88rem;font-weight:500}.site-header-nav a{padding:8px 10px;border-radius:var(--radius)}.breadcrumb a:hover,.mobile-reader-nav a:hover,.site-header-nav a:hover,.text-link:hover{color:var(--accent-cool)}.brand-lockup{display:inline-flex;align-items:center;gap:10px;min-width:0}.brand-mark{width:42px;height:42px;flex:0 0 auto}.brand-lockup-compact .brand-mark{width:34px;height:34px}.brand-copy{display:grid;grid-gap:1px;gap:1px;min-width:0}.book-era,.book-index,.brand-name,.brand-tag,.breadcrumb,.button-link,.chapter-kicker,.chapter-meta,.detail-panel h2,.eyebrow,.font-controls,.meta-row,.mobile-reader-nav,.outline-details summary,.pager-center,.pager-link span,.section-heading h2,.status-badge,.text-link{font-family:Noto Sans SC,PingFang SC,sans-serif}.brand-name{font-size:1rem;font-weight:800;line-height:1.1}.brand-tag{color:var(--accent-cool);font-size:.74rem;font-weight:700;line-height:1.2}.page-shell{width:min(calc(100% - 36px),var(--max-width));margin:0 auto;padding:36px 0 80px}.page-shell-narrow{max-width:920px}.page-shell-reader{width:min(calc(100% - 36px),920px);max-width:920px}.hero{grid-template-columns:minmax(0,1fr) minmax(260px,320px);grid-gap:clamp(32px,5vw,64px);gap:clamp(32px,5vw,64px);align-items:center;padding:34px 0 28px;border-bottom:1px solid var(--line)}.focus-block,.hero,.hero-copy,.reader-header,.section-heading{display:grid}.hero-copy{gap:16px}.hero-cover{width:100%;max-width:320px;margin:0;justify-self:end}.hero-cover img{width:100%;height:auto;border:1px solid rgba(57,45,34,.22);border-radius:var(--radius);box-shadow:0 20px 48px rgba(58,42,28,.18)}.hero h1,.reader-header h1{margin:0;color:var(--text);font-size:3.05rem;line-height:1.14;letter-spacing:0;text-wrap:balance}.hero-summary{max-width:620px}.hero-positioning{max-width:620px;font-size:1.08rem;font-weight:500;line-height:1.72;color:var(--text);margin:0 0 18px}.hero-positioning~.hero-summary{font-size:.96rem;color:var(--text-soft);margin:0 0 14px}.book-summary,.detail-list p,.empty-copy,.empty-state p,.hero-summary,.muted,.reader-summary,.section-heading p{margin:0;color:var(--text-soft);line-height:1.72}.book-outline{max-width:620px;margin:14px 0 0;color:var(--text);line-height:1.78;font-size:.96rem}.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(96px,1fr));grid-gap:8px;gap:8px}.hero-stats div{display:grid;grid-gap:4px;gap:4px;min-height:78px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.book-index,.breadcrumb,.chapter-kicker,.chapter-meta,.hero-stats span,.meta-row,.pager-center,.pager-link span,.status-badge{color:var(--text-faint);font-size:.84rem}.hero-stats strong{font-size:1.72rem;font-weight:800;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.section-grid{display:grid;grid-template-columns:minmax(0,1fr);grid-gap:20px;gap:20px;margin-top:24px}.continue-strip{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:22px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.continue-strip div:first-child{display:grid;grid-gap:4px;gap:4px;min-width:0}.continue-strip span{color:var(--accent-cool);font-family:Noto Sans SC,PingFang SC,sans-serif;font-size:.82rem;font-weight:700}.continue-strip strong{font-size:1.08rem}.continue-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}.book-card,.chapter-details,.chapter-row,.pager-link,.panel,.section-block{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.panel{padding:26px}.section-block{margin-top:22px;padding:22px}.section-heading{gap:6px;margin-bottom:18px}.detail-panel h2,.section-heading h2{margin:0;font-size:1.08rem;font-weight:800;line-height:1.35}.focus-block{gap:14px}.book-era,.eyebrow,.focus-kicker{margin:0;color:var(--accent-cool);font-size:.84rem;font-weight:700}.book-card h3,.chapter-row h3,.focus-block h3{margin:0;font-size:1.3rem;font-weight:800;line-height:1.35;text-wrap:balance}.action-row{margin-top:8px}.action-row,.book-actions{display:flex;flex-wrap:wrap;gap:12px}.book-actions{margin-top:4px}.button-link,.pager-center{display:inline-flex;align-items:center;justify-content:center;min-height:42px;min-width:96px;padding:0 18px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface-strong);color:var(--text);font-size:.88rem;font-weight:700}.button-link:hover,.pager-center:hover{border-color:var(--accent-cool);color:var(--accent-cool)}.text-link{display:inline-flex;align-items:center;min-height:42px;color:var(--accent-cool);font-size:.88rem;font-weight:700;text-decoration:underline;-webkit-text-decoration-color:rgba(23,109,106,.24);text-decoration-color:rgba(23,109,106,.24);text-underline-offset:.22em}.home-section{margin-top:30px}.book-grid{grid-template-columns:1fr}.book-grid,.book-index-list{display:grid;grid-gap:8px;gap:8px}.book-card{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr) auto auto;grid-gap:10px 16px;gap:10px 16px;align-items:center;min-height:72px;padding:14px 16px;overflow:hidden;transition:border-color .15s ease,background-color .15s ease}.book-card:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--accent);opacity:0}.book-card:hover{border-color:var(--line-strong);background:var(--surface-strong)}.book-card:hover:before{opacity:1}.book-card-top,.chapter-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.book-number{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:999px;color:var(--text-faint);font-family:Noto Sans SC,PingFang SC,sans-serif;font-size:.78rem;font-weight:800}.book-main{display:grid;grid-gap:4px;gap:4px;min-width:0}.book-card h3{font-size:1.12rem}.book-evidence{display:flex;justify-items:end}.book-evidence span{color:var(--accent-cool);font-size:.82rem;font-weight:700}.book-era,.book-index,.book-summary{display:none}.book-card .status-badge{justify-self:end}.status-badge{background:rgba(91,73,56,.07);font-weight:700}.status-badge,.word-count{display:inline-flex;align-items:center;min-height:24px;padding:0 10px;border-radius:999px;color:var(--text-soft);font-size:.78rem;white-space:nowrap}.word-count{background:rgba(91,73,56,.04);font-weight:600;letter-spacing:.02em}.status-live{background:var(--accent-cool-soft);color:var(--accent-cool)}.breadcrumb{display:flex;flex-wrap:wrap;gap:6px 10px;margin-bottom:20px}.breadcrumb a{color:var(--accent-cool);font-weight:700}.breadcrumb span[aria-hidden]{opacity:.5}.reader-header{gap:14px;margin-bottom:32px}.detail-grid,.reader-header-story,.reader-prose{max-width:var(--reader-width);margin-right:auto;margin-left:auto}.chapter-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.chapter-toolbar-actions{gap:10px;flex-wrap:wrap}.chapter-toolbar-actions,.copy-btn{display:inline-flex;align-items:center}.copy-btn{min-height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--text-soft);font-size:.84rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease}.copy-btn:hover{background:rgba(91,73,56,.06);color:var(--text)}.copy-btn-done{background:var(--accent-soft);color:var(--accent);border-color:transparent}.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.timeline-note{padding:14px 16px;border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:var(--accent-soft);color:var(--text-soft);font-size:.94rem;line-height:1.72}.reader-prose{font-size:var(--reader-font-size,1.08rem);line-height:var(--reader-line-height,1.96);color:#241d17;overflow-wrap:break-word}.reader-prose h1,.reader-prose h2,.reader-prose h3,.reader-prose h4{margin:2.2rem 0 1rem;font-family:Noto Sans SC,PingFang SC,sans-serif;font-weight:800;line-height:1.35;letter-spacing:0;text-wrap:balance}.reader-prose p{margin:0 0 1.08rem;text-indent:1.9em}.reader-prose h2.chapter-break{width:-moz-fit-content;width:fit-content;margin:2rem auto 1.2rem;padding:7px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--text-faint);font-size:1.28rem;letter-spacing:.16em}.reader-prose h2.research-notes{margin-top:3rem;padding-top:1.1rem;border-top:1px dashed var(--line-strong);color:var(--text-faint);font-size:1rem}.reader-prose h2.research-notes~p{color:var(--text-soft);font-size:.96rem;line-height:1.82;text-indent:0}.reader-prose blockquote{margin:1.5rem 0;padding:1rem 1.2rem;border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:var(--accent-soft);color:var(--text-soft)}.reader-prose hr{margin:2.1rem 0;border:0;border-top:1px solid var(--line)}.reader-prose ol,.reader-prose ul{padding-left:1.4rem}.detail-grid{margin-top:42px;padding-top:24px;border-top:1px solid var(--line)}.chapter-details summary{min-height:46px;padding:12px 18px;cursor:pointer;color:var(--text-soft);font-weight:800}.chapter-details-body{display:grid;grid-gap:22px;gap:22px;padding:0 18px 18px}.detail-panel h2{margin-bottom:10px;font-size:.94rem}.detail-list{display:grid;grid-gap:8px;gap:8px;margin:0;padding:0;list-style:none}.detail-list strong{font-size:.92rem}.detail-list span{margin-left:8px;color:var(--text-faint);font-size:.82rem}.detail-list p{margin-top:3px;font-size:.9rem;line-height:1.68}.pager{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);grid-gap:14px;gap:14px;align-items:stretch;margin-top:36px}.pager-link{display:grid;grid-gap:6px;gap:6px;padding:16px 18px}.pager-link:hover{border-color:var(--line-strong)}.pager-link strong{font-size:1rem}.pager-link-right{text-align:right}.chapter-list{display:grid;grid-gap:6px;gap:6px}.chapter-row{display:grid;grid-template-columns:minmax(72px,auto) minmax(0,1fr) auto;grid-gap:14px;gap:14px;align-items:center;min-height:58px;padding:10px 14px;transition:border-color .15s ease,background-color .15s ease}.chapter-row-plain{grid-template-columns:minmax(72px,auto) minmax(0,1fr)}.chapter-row-plain .chapter-meta{display:none}.chapter-row:hover{border-color:var(--line-strong);background:var(--surface-strong)}.chapter-row h3{font-size:1rem}.chapter-kicker{margin:0;min-width:72px}.chapter-meta{min-width:0;justify-content:flex-end;align-items:center;gap:8px}.outline-details{display:grid;grid-gap:18px;gap:18px}.outline-details summary{display:inline-flex;align-items:center;width:-moz-fit-content;width:fit-content;min-height:40px;padding:0 14px;color:var(--accent-cool);cursor:pointer;font-size:.88rem;font-weight:800}.outline-details summary,.outline-prose{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-strong)}.outline-prose{max-height:640px;overflow-y:auto;padding:22px;color:var(--text-soft);font-size:.96rem;line-height:1.78}.outline-prose-full{max-height:none}.outline-prose h2,.outline-prose h3,.outline-prose h4{margin:1.5rem 0 .65rem;color:var(--text);font-family:Noto Sans SC,PingFang SC,sans-serif;line-height:1.35}.outline-prose h2:first-child,.outline-prose h3:first-child,.outline-prose h4:first-child{margin-top:0}.outline-prose h2{font-size:1.14rem}.outline-prose h3{font-size:1.02rem}.outline-prose p{margin:0 0 .84rem}.outline-prose blockquote{margin:0 0 1rem;padding:12px 14px;border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:var(--accent-soft)}.outline-prose ol,.outline-prose ul{margin:0 0 1rem;padding-left:1.25rem}.outline-prose table{display:block;width:100%;margin:1rem 0;overflow-x:auto;border-collapse:collapse;font-family:Noto Sans SC,PingFang SC,sans-serif;font-size:.88rem}.outline-prose td,.outline-prose th{padding:8px 10px;border:1px solid var(--line);vertical-align:top}.outline-prose th{color:var(--text);font-weight:800}.outline-prose hr{margin:1.6rem 0;border:0;border-top:1px solid var(--line)}.outline-prose code{padding:1px 5px;border-radius:4px;background:var(--surface-muted);font-family:Noto Sans Mono,ui-monospace,monospace;font-size:.86em}.empty-state{padding:28px;border:1px dashed var(--line-strong);border-radius:var(--radius);text-align:center}.reading-progress{position:fixed;top:0;left:0;z-index:50;width:0;height:2px;background:var(--accent-cool);transform-origin:0 50%;will-change:width}.back-to-top{position:fixed;right:20px;bottom:100px;z-index:25;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:var(--surface-strong);color:var(--text-faint);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease,visibility .15s ease,transform .15s ease,color .15s ease,border-color .15s ease;cursor:pointer}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{border-color:var(--accent-cool);color:var(--accent-cool)}.back-to-top svg{width:18px;height:18px}.font-controls{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-strong)}.font-btn{display:flex;align-items:center;justify-content:center;width:32px;height:30px;border:0;border-radius:6px;background:transparent;color:var(--text-faint);font-family:"Noto Serif SC",serif;font-size:1rem;font-weight:800;cursor:pointer;line-height:1}.font-btn.active,.font-btn:hover{background:var(--accent-cool-soft);color:var(--accent-cool)}.font-btn-sm{font-size:.82rem}.font-btn-lg{font-size:1.15rem}.animate-in{animation:fadeUp .2s ease-out both}.animate-in-delay-1,.animate-in-delay-2,.animate-in-delay-3,.animate-in-delay-4{animation-delay:0s}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.mobile-reader-nav{display:none}.not-found-panel{padding-top:48px;padding-bottom:48px;text-align:center}.not-found-panel .section-heading{align-items:center;justify-content:center}.not-found-panel h1{margin:0;font-size:1.6rem}.not-found-panel .action-row{justify-content:center;margin-top:20px}.back-to-top:focus-visible,.book-card:focus-visible,.breadcrumb a:focus-visible,.button-link:focus-visible,.chapter-row:focus-visible,.font-btn:focus-visible,.mobile-reader-nav a:focus-visible,.pager-center:focus-visible,.pager-link:focus-visible,.site-header-brand:focus-visible,.site-header-nav a:focus-visible,.text-link:focus-visible{outline:2px solid rgba(23,109,106,.4);outline-offset:2px}@media (max-width:960px){.book-grid,.hero{grid-template-columns:1fr}.hero-cover{width:min(300px,72vw);justify-self:center}.book-card{grid-template-columns:44px minmax(0,1fr)}.book-card .status-badge,.book-evidence{justify-self:start}.chapter-row{grid-template-columns:1fr;align-items:start}.chapter-meta{min-width:0;justify-content:flex-start}.pager{display:flex;flex-direction:column}.pager-link-right{text-align:left}}@media (max-width:640px){:root{--header-height:54px}.page-shell{width:min(calc(100% - 24px),var(--max-width));padding:20px 0 48px}.page-shell-reader{width:100%;padding:12px 0 calc(86px + env(safe-area-inset-bottom))}.site-header-inner{width:min(calc(100% - 24px),var(--max-width))}.brand-mark{width:34px;height:34px}.brand-name{font-size:.92rem}.brand-tag{font-size:.7rem}.hero{padding:24px 0 20px}.hero-cover{width:min(280px,76vw)}.hero h1,.reader-header h1{font-size:2rem;line-height:1.18}.hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.panel,.section-block{padding:20px 18px}.book-card,.chapter-row{padding:16px 18px}.book-card{gap:8px 12px}.breadcrumb,.detail-grid,.pager,.reader-header{width:calc(100% - 36px);margin-right:auto;margin-left:auto}.reader-prose{width:100%;max-width:none;padding:0 18px;font-size:var(--reader-font-size,1.03rem);line-height:var(--reader-line-height,1.92)}.reader-prose h2.chapter-break{font-size:1.22rem}.outline-details summary{width:100%;justify-content:center}.outline-prose{max-height:520px;padding:18px;font-size:.92rem}.pager{display:none}.mobile-reader-nav{position:fixed;right:0;bottom:0;left:0;z-index:20;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:1px;gap:1px;padding:10px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(255,253,248,.97)}.mobile-reader-nav a,.mobile-reader-nav span{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:var(--radius);color:var(--accent-cool);font-size:.86rem;font-weight:800}.mobile-reader-nav span{color:var(--text-faint);opacity:.5}.back-to-top{right:14px;bottom:96px;width:38px;height:38px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}