:root{--ink:#171914;--paper:#f6f5ee;--acid:#d8ff41;--muted:#6c7065;--line:#d9dbd0}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.25}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #779900;outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(1240px,calc(100% - 80px));margin:auto}.skip{position:fixed;top:-100px;left:20px;padding:10px;background:var(--acid);z-index:100}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}header{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--ink)}.header-inner{min-height:86px;display:flex;justify-content:space-between;align-items:center;gap:26px;position:relative}.brand{display:flex;gap:11px;align-items:center;font-weight:900;font-size:24px;white-space:nowrap;letter-spacing:-.7px}.brand-symbol{background:var(--acid);color:var(--ink);border:2px solid var(--ink);width:43px;height:43px;display:grid;place-items:center;font-size:26px;transform:rotate(-6deg)}.brand small{display:block;font:700 9px/1.5 sans-serif;letter-spacing:2px;margin-top:3px}.header-inner nav{display:flex;gap:30px;font-size:13px;font-weight:650}.header-inner nav a:hover{box-shadow:0 2px var(--ink)}.header-actions{display:flex;gap:12px;align-items:center}.download-button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;background:var(--acid);color:var(--ink);padding:15px 23px;border:1px solid var(--ink);font-weight:850;min-height:52px;transition:background .15s}.download-button:hover{background:#e7ff98}.download-button span{font-size:21px;line-height:1}.compact{min-height:44px;padding:10px 17px;font-size:13px;gap:16px}.menu-toggle{display:none;border:1px solid var(--ink);background:none;padding:9px 12px}.hero{background:var(--ink);color:var(--paper);padding:60px 0 48px}.hero-layout{display:grid;grid-template-columns:1fr 1fr;gap:62px;align-items:center}.eyebrow{display:flex;align-items:center;gap:18px;font-size:11px;color:#b6bcad;margin-bottom:27px}.edition{background:var(--acid);padding:5px 9px;color:var(--ink);font:bold 10px/1.5 sans-serif;letter-spacing:1px}.hero h1{font-size:clamp(52px,5.3vw,78px);font-weight:900;letter-spacing:-4px;line-height:1.17}.official-name{display:block;font-size:20px;letter-spacing:2px;font-weight:600;margin-bottom:21px}.highlight{color:var(--acid)}.hero-copy>p{font-size:15px;color:#bac0b1;margin-top:24px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:30px}.text-link{font-size:13px;font-weight:750;padding-bottom:3px;border-bottom:1px solid currentColor}.hero-copy .package-note{font-size:10px;letter-spacing:.2px;margin-top:12px}.hero-index{display:flex;justify-content:space-between;gap:12px;color:#89937e;border-top:1px solid #454d3d;padding-top:18px;margin-top:40px;font-size:10px}.hero-gallery{display:grid;grid-template-columns:1.4fr .72fr;gap:18px;position:relative;padding-bottom:24px;align-items:center}.hero-gallery a{display:block;border:1px solid #647153;background:#242c1b}.hero-main img{width:100%;height:auto}.hero-side{display:grid;gap:16px}.hero-side a{position:relative}.hero-side img{width:100%;height:auto}.hero-side span{position:absolute;left:0;bottom:0;right:0;font-size:9px;background:var(--ink);padding:5px 8px;color:var(--acid)}.gallery-label{position:absolute;bottom:0;right:0;color:#919c86;font:bold 9px/1.5 sans-serif;letter-spacing:2px}.section-label{font:bold 10px/1.5 sans-serif;letter-spacing:2px;color:var(--muted);display:block;margin-bottom:10px}.shelf{padding-top:65px;padding-bottom:60px;scroll-margin-top:90px}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;border-bottom:2px solid var(--ink);padding-bottom:24px}.section-heading h2{font-size:32px;letter-spacing:-1px}.shelf-count{font:500 12px/1.5 sans-serif;color:var(--muted)}.shelf-toolbar{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:24px 0 30px}.filters{display:flex;gap:8px;flex-wrap:wrap}.filter{background:transparent;border:1px solid var(--line);padding:8px 17px;font-size:12px;min-height:40px}.filter.active{background:var(--ink);border-color:var(--ink);color:var(--acid)}#search-form{display:flex;border-bottom:1px solid var(--ink);min-width:260px}#search{width:100%;min-width:0;background:none;border:0;padding:10px 0;color:var(--ink);font-size:12px}#search-form button{border:0;background:none;font-size:12px;font-weight:750;white-space:nowrap;padding:10px}.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:34px 24px}.book{min-width:0;display:block}.book-image{position:relative;background:#ddd;overflow:hidden;border:1px solid #cbcdbf}.book-image img{width:100%;height:auto;aspect-ratio:5/7;object-fit:cover;transition:transform .2s}.book:hover .book-image img{transform:scale(1.025)}.book-image>span{position:absolute;top:12px;right:12px;background:var(--acid);color:var(--ink);font-weight:750;font-size:10px;padding:5px 9px;opacity:0;transition:opacity .15s}.book:hover .book-image>span,.book:focus-visible .book-image>span{opacity:1}.book-heading{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:14px}.book-heading h3{font-size:17px;letter-spacing:-.4px}.book-heading>span{font-size:10px;color:var(--muted);white-space:nowrap}.book>p{font-size:12px;color:var(--muted);line-height:1.75;margin-top:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.empty-state{text-align:center;padding:40px;border:1px solid var(--line);margin-top:10px}.empty-state p{margin:12px;color:var(--muted)}.empty-state button{background:var(--ink);color:var(--acid);padding:10px 20px;border:0}.download-strip{display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--acid);padding:42px 40px;border:1px solid var(--ink)}.download-strip span{font:bold 9px/1.5 sans-serif;letter-spacing:2px}.download-strip h2{font-size:34px;margin-top:12px;letter-spacing:-1px}.download-strip p{font-size:13px;margin-top:12px;color:#4d562d}.download-strip .download-button{background:var(--ink);color:var(--acid);font-size:14px}.download-strip .download-button span{font-size:21px;letter-spacing:0}.download-strip small{font-size:10px;display:block;margin-top:10px;text-align:center}.faq-preview{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;padding-top:65px;padding-bottom:75px}.faq-preview h2{font-size:31px;margin-bottom:24px}details{border-bottom:1px solid var(--line);padding:20px 0}summary{list-style:none;font-size:14px;font-weight:750;cursor:pointer;display:flex;justify-content:space-between;gap:24px}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-size:18px;font-weight:400}details[open] summary:after{content:"−"}details p{font-size:13px;line-height:1.9;margin-top:16px;color:var(--muted)}footer{background:var(--ink);color:var(--paper);padding:40px 0 26px}.footer-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:30px;border-bottom:1px solid #3d4533}.footer-heading p{font-size:12px;color:#959f88}.footer-heading>a:last-child{font-size:12px;color:var(--acid)}.site-friends{padding:27px 0;display:grid;grid-template-columns:110px 1fr;gap:20px}.site-friends h2{font-size:12px;font-weight:650}.site-friends nav{display:flex;gap:12px 22px;flex-wrap:wrap;color:#a9b39c;font-size:11px}.site-friends a:hover{color:var(--acid)}.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;border-top:1px solid #3d4533;font-size:10px;color:#919d82}.mobile-download{display:none}.page-intro{padding-top:60px;padding-bottom:38px}.page-intro h1{font-size:45px;letter-spacing:-1.5px}.page-intro p{color:var(--muted);margin-top:16px;font-size:14px}.download-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;padding-bottom:80px}.download-panel{padding:42px;background:var(--ink);color:var(--paper);border-top:6px solid var(--acid)}.android-label{color:var(--acid);font:bold 11px/1.5 sans-serif;letter-spacing:2px}.download-panel h2{font-size:29px;margin-top:20px}.download-panel>p{font-size:12px;color:#a8b298;margin:12px 0 27px}.source-link{display:block;font-size:11px;color:var(--acid);text-decoration:underline;margin-top:22px}.download-panel .small{font-size:11px;margin-top:18px}.installation h2{font-size:28px;margin-top:10px}.installation ol{list-style:none;padding:0;margin:24px 0}.installation li{display:flex;gap:22px;padding:20px 0;border-bottom:1px solid var(--line)}.installation li>b{font:700 18px/1.5 sans-serif;color:#84994b}.installation h3{font-size:16px}.installation p{font-size:13px;margin-top:8px;color:var(--muted)}.help-layout{display:grid;grid-template-columns:280px 1fr;gap:60px;padding-bottom:90px}.help-layout aside{background:#e9ecdf;padding:24px;align-self:start}.help-layout aside h2{font-size:18px;margin-bottom:18px}.help-layout aside a{display:block;margin-top:12px;font-size:12px}
@media(max-width:1020px){.wrap{width:calc(100% - 48px)}.header-inner{gap:16px}.header-inner nav{gap:18px}.brand{font-size:21px}.hero-layout{gap:32px}.hero h1{font-size:57px}.hero-actions{gap:18px;align-items:flex-start;flex-direction:column}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-heading p{display:none}}
@media(max-width:767px){body{padding-bottom:82px}.wrap{width:calc(100% - 36px)}.header-inner{min-height:73px}.brand{font-size:21px}.brand-symbol{width:36px;height:36px;font-size:22px}.menu-toggle{display:block}.header-inner nav{display:none;position:absolute;top:73px;left:-18px;right:-18px;background:var(--paper);padding:16px 24px;border-bottom:1px solid var(--ink);flex-direction:column;gap:0}.header-inner nav.open{display:flex}.header-inner nav a{padding:12px}.header-actions .compact{display:none}.hero{padding:36px 0 30px}.hero-layout{grid-template-columns:1fr;gap:36px}.hero h1{font-size:56px;letter-spacing:-3px}.official-name{font-size:17px;margin-bottom:15px}.eyebrow{margin-bottom:21px;gap:12px;font-size:10px}.hero-copy>p{font-size:13px;margin-top:18px}.hero-actions{flex-direction:row;align-items:center;gap:18px;margin-top:23px}.hero-actions .download-button{font-size:13px;padding:12px 15px;gap:20px}.hero-actions .text-link{font-size:11px}.hero-copy .package-note{font-size:9px}.hero-index{margin-top:25px;font-size:9px}.hero-gallery{max-width:440px;margin-inline:auto;width:100%;gap:12px}.hero-side{gap:12px}.hero-side span{font-size:7px;padding:4px}.gallery-label{font-size:8px}.shelf{padding-top:38px;padding-bottom:40px}.section-heading{padding-bottom:20px;gap:10px}.section-heading h2{font-size:24px}.section-label{font-size:8px;letter-spacing:1.5px}.shelf-count{font-size:10px;white-space:nowrap}.shelf-toolbar{flex-direction:column;align-items:stretch;gap:20px;padding:20px 0}.filters{gap:6px}.filter{padding:7px 12px;font-size:11px;min-height:38px}#search-form{min-width:0}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 14px}.book-heading{gap:5px;margin-top:11px}.book-heading h3{font-size:13px}.book-heading>span{font-size:9px}.book>p{font-size:10px;line-height:1.7;margin-top:6px}.book-image>span{opacity:1;top:7px;right:7px;font-size:8px;padding:3px 5px}.download-strip{flex-direction:column;align-items:stretch;padding:29px 24px;gap:24px}.download-strip h2{font-size:26px}.download-strip p{font-size:12px}.download-strip .download-button{width:100%}.faq-preview{grid-template-columns:1fr;gap:20px;padding-top:43px;padding-bottom:45px}.faq-preview h2{font-size:25px;margin-bottom:16px}details{padding:17px 0}summary{font-size:13px}footer{padding:30px 0 24px}.footer-heading{gap:15px;align-items:center}.footer-heading>a:last-child{font-size:10px}.site-friends{grid-template-columns:1fr;gap:13px;padding:24px 0}.site-friends nav{gap:12px 18px;font-size:10px}.footer-bottom{font-size:9px;justify-content:flex-start}.mobile-download{display:flex;position:fixed;bottom:0;left:0;right:0;padding:12px 18px calc(12px + env(safe-area-inset-bottom));gap:14px;justify-content:space-between;align-items:center;background:var(--paper);color:var(--ink);border-top:1px solid var(--ink);z-index:40}.mobile-download b{font-size:13px;display:block}.mobile-download small{display:block;font-size:9px;color:var(--muted);margin-top:3px}.mobile-download .download-button{padding:10px 17px;min-height:45px;font-size:13px;gap:17px}.page-intro{padding-top:35px;padding-bottom:25px}.page-intro h1{font-size:34px}.page-intro p{font-size:12px}.download-layout,.help-layout{grid-template-columns:1fr;gap:28px;padding-bottom:45px}.download-panel{padding:29px 25px}.download-panel h2{font-size:26px}.download-panel .download-button{width:100%}.installation h2{font-size:25px}.help-layout aside{padding:21px}}
@media(max-width:359px){.hero h1{font-size:48px}.hero-actions{gap:13px}.hero-actions .download-button{padding:12px 13px;gap:13px}.filter{padding:7px 10px}.mobile-download{padding-inline:12px;gap:8px}.mobile-download .download-button{gap:9px;padding-inline:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}