:root{--ink:#133c46;--muted:#76837f;--gold:#a17f3e;--paper:#f8f6f0;--line:#e1e2d7;--top:84px;--aqua:#0b9297;font-family:Arial,'Microsoft YaHei','PingFang HK',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--top) + 20px)}body{margin:0}button,a,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #087f8b;outline-offset:4px}button{color:inherit}a{color:inherit;text-decoration:none}.topbar{height:var(--top);position:sticky;top:0;z-index:30;background:#f8f6f0f5;backdrop-filter:blur(15px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:26px;padding:12px 28px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand i{font:italic 25px Georgia,serif;color:#fff;background:linear-gradient(140deg,#315765,#0b323d);width:60px;height:48px;display:grid;place-items:center;border-radius:14px;border:1px solid #b09b6b}.brand span{font-size:20px;font-weight:700;letter-spacing:.06em}nav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}nav button{white-space:nowrap;border:0;background:none;font-size:13px;padding:12px 9px;border-radius:10px}nav button.active{color:var(--gold);background:#ede6d6}.locale-control{display:flex;align-items:center;gap:6px;border:1px solid #d3d7ca;border-radius:12px;padding:7px;background:#fff;flex-shrink:0}.globe{font-size:22px;color:#859079}.locale-control select{max-width:132px;border:0;outline:0;background:transparent;color:#163f46;font-size:13px;cursor:pointer;padding:4px}.progress{height:3px;position:fixed;top:var(--top);left:0;width:0;background:var(--gold);z-index:40}.layout{display:grid;grid-template-columns:256px minmax(0,1fr);max-width:2040px;margin:auto}aside{height:calc(100dvh - var(--top));position:sticky;top:var(--top);overflow-y:auto;border-right:1px solid var(--line);padding:24px 18px;scrollbar-width:thin}aside h2{font-size:14px;margin:0 0 16px;letter-spacing:.05em}.chapter{border:0;background:transparent;display:flex;text-align:left;align-items:center;gap:14px;width:100%;border-radius:12px;padding:13px 10px;margin-bottom:3px}.chapter .num{font-size:11px;color:var(--gold);font-variant-numeric:tabular-nums}.chapter strong{font-size:13px;font-weight:500;display:block}.chapter small{font-size:10px;color:var(--muted);display:block;margin-top:4px}.chapter.active{background:#eae8de}.preview-heading{display:flex;justify-content:space-between;margin-top:30px}.preview-heading span{font-size:12px;color:var(--muted)}#thumbnails{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.thumb{position:relative;display:block;width:100%;padding:3px;border:1px solid transparent;background:#fff;border-radius:7px;overflow:hidden;aspect-ratio:16/9}.thumb.active{border:2px solid var(--gold);padding:2px}.thumb img{width:100%;height:100%;display:block;object-fit:contain}.thumb span{position:absolute;bottom:3px;left:3px;background:#103a45c9;color:#fff;font-size:9px;border-radius:3px;padding:2px 4px}main{min-width:0;padding:28px 32px 90px}.slide-section{margin-bottom:36px;scroll-margin-top:calc(var(--top) + 20px)}.slide-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;padding:0 4px}.slide-head h2{font-size:15px;font-weight:500;margin:0;line-height:1.5}.slide-head .page-tag{color:var(--gold);font-size:10px;font-variant-numeric:tabular-nums;margin-right:11px}.slide-head button{border:1px solid #d7d8cc;background:#ffffff85;padding:8px 13px;border-radius:30px;color:#71817a;font-size:11px;white-space:nowrap}.slide-card{margin:0;padding:12px;background:#fffef9;border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 35px #2844400a}.slide-card img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:contain;background:#d5f6f5;border-radius:11px;cursor:zoom-in}.mobile-controls{display:none}.drawer[hidden],.shade[hidden]{display:none}.shade{position:fixed;inset:0;background:#0a303a65;z-index:49}.drawer{position:fixed;left:12px;right:12px;bottom:82px;max-height:70dvh;overflow:auto;padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:20px;z-index:50;box-shadow:0 20px 65px #133c4625}.close{float:right;background:none;border:0;font-size:26px}dialog{padding:0;border:0;border-radius:12px;width:97vw;height:94dvh;max-width:none;max-height:none;background:#eaf7f5;color:var(--ink)}dialog::backdrop{background:#092f3dc9}.light-tools{display:flex;align-items:center;gap:16px;height:52px;padding:8px 18px;background:#f8f6f0}.light-tools span{flex:1;font-size:13px}.light-tools button,.light-tools a{border:0;background:#fff;padding:4px 14px;border-radius:8px;font-size:22px;cursor:pointer}.zoom-scroll{height:calc(100% - 52px);overflow:auto;display:flex;align-items:flex-start;justify-content:center}.zoom-scroll img{width:max(100%,1200px);max-width:none;flex:none;margin:auto 0}.loading{padding:20vh 0;text-align:center;letter-spacing:.2em;color:var(--gold)}#toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);padding:12px 22px;border-radius:10px;background:#123d43;color:#fff;font-size:13px;z-index:100;opacity:0;pointer-events:none;transition:opacity .15s}#toast.show{opacity:1}.error-state{padding:4rem;text-align:center}.poster-link{border:0;background:transparent;padding:0;width:100%}@media(min-width:1900px){main{padding:38px 54px 100px}}@media(max-width:1100px){:root{--top:124px}.topbar{height:124px;flex-wrap:wrap;gap:6px 18px;padding:10px 16px}.brand{flex:1}.brand i{height:40px;width:50px;font-size:21px}.brand span{font-size:18px}nav{order:3;flex-basis:100%;width:100%;gap:6px}nav button{padding:9px 10px;font-size:12px}.layout{grid-template-columns:210px minmax(0,1fr)}aside{padding:20px 12px}main{padding:22px 20px 90px}.chapter{padding:12px 8px;gap:10px}.chapter strong{font-size:12px}.slide-head h2{font-size:13px}}@media(max-width:760px){.layout{display:block}aside{display:none}main{padding:18px 10px 100px}.slide-card{padding:6px;border-radius:13px}.slide-card img{border-radius:8px}.slide-section{margin-bottom:24px}.slide-head{margin-bottom:8px;padding:0 3px;gap:5px}.slide-head h2{font-size:12px}.slide-head .page-tag{margin-right:6px;font-size:10px}.slide-head button{padding:6px 9px;font-size:10px}.mobile-controls{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:40;padding:10px 18px calc(10px + env(safe-area-inset-bottom));background:#f8f6f0f5;backdrop-filter:blur(12px);border-top:1px solid var(--line);align-items:center;justify-content:space-between;gap:12px}.mobile-controls button{border:1px solid #d7d8cc;border-radius:10px;background:#fff;padding:9px 16px;font-size:13px}.mobile-controls output{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.light-tools span{font-size:11px}.zoom-scroll{justify-content:flex-start}.zoom-scroll img{width:1500px}.brand span{font-size:16px}.locale-control select{font-size:12px;max-width:116px}nav{mask-image:linear-gradient(to right,#000 95%,transparent)}dialog{width:100vw;height:100dvh;border-radius:0}.drawer .chapter{padding:14px}.drawer .chapter strong{font-size:15px}.drawer .chapter small{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.topbar,aside,.mobile-controls,.slide-head button,.progress{display:none}main{padding:0}.layout{display:block}.slide-section{break-after:page;margin:0}.slide-card{padding:0;border:0;box-shadow:none}}
/* Original brand mark, native text reading, and explicit poster zoom. */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.brand-logo{display:block;width:178px;height:46px;flex:none}.brand{gap:0}.slide-actions{display:flex;gap:8px;flex-shrink:0}.slide-actions button:first-child{background:#e9f4ee;color:#195650;border-color:#c6ddd3}.reading-panel[hidden]{display:none}.reading-panel{margin:16px 0 0;padding:28px 32px;background:#fff;border:1px solid #cfddd6;border-radius:16px;font-family:Arial,'Microsoft YaHei','PingFang HK',sans-serif;color:#163b43;font-size:18px;line-height:1.85;text-align:left}.reading-panel h3{font-size:25px;margin:0 0 20px;line-height:1.45}.reading-panel h4{font-size:20px;line-height:1.5;margin:25px 0 8px;color:#116b70}.reading-panel p{white-space:pre-line;margin:0 0 18px;overflow-wrap:anywhere}.reading-subtitle{font-weight:600;color:#357779}.reading-table-wrap{max-width:100%;overflow:auto;margin:24px 0}.reading-table{border-collapse:collapse;min-width:100%;font-size:16px;line-height:1.65}.reading-table th{background:#0e7279;color:#fff;font-weight:500}.reading-table td,.reading-table th{border:1px solid #bbd6d1;min-width:150px;padding:12px 15px;vertical-align:top;white-space:pre-line}.reading-table tr:nth-child(even){background:#f0f8f5}.reading-enlarge{padding:10px 18px;background:#e9f4ee;border:1px solid #bad6ca;border-radius:10px;font-size:16px}.light-tools{height:auto;min-height:54px;flex-shrink:0;flex-wrap:wrap}.light-tools>span{min-width:180px}.zoom-buttons{display:flex;gap:7px;align-items:center}.zoom-buttons button{font-size:15px;padding:7px 10px}.zoom-buttons output{font-size:12px;min-width:44px;text-align:center}.light-tools>#downloadPoster,.light-tools>#closeLightbox{padding:4px 12px}.zoom-scroll{height:auto;flex:1;min-height:0;align-items:flex-start;justify-content:flex-start}.zoom-scroll img{width:1920px;margin:0;max-width:none;cursor:zoom-in}.zoom-scroll img:active{cursor:grabbing}dialog[open]{display:flex;flex-direction:column}
@media(max-width:1100px){.brand-logo{width:172px;height:43px}}
@media(max-width:760px){.brand-logo{width:158px;height:40px}.slide-head{align-items:flex-start}.slide-actions{gap:5px}.slide-actions button{padding:7px 8px;font-size:11px}.reading-panel{padding:20px 18px;font-size:17px;line-height:1.85}.reading-panel h3{font-size:22px}.reading-panel h4{font-size:19px}.light-tools>span{flex-basis:100%;min-width:0}.reading-table{font-size:16px}}

.brand-logo{width:178px;height:55px;object-fit:contain}@media(max-width:1100px){.brand-logo{width:172px;height:48px}}@media(max-width:760px){.brand-logo{width:158px;height:45px}}