:root{color-scheme:light;--ink:#353531;--muted:#777770;--serif:Georgia,'Songti SC','Noto Serif CJK SC',serif;--sans:-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{background:#fff;color:var(--ink)}
body{margin:0;min-width:280px;min-height:100svh;font-family:var(--serif);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible{outline:2px solid #938b7b;outline-offset:5px;border-radius:3px}
.site-header{display:flex;align-items:center;justify-content:space-between;padding:34px 60px 24px;gap:24px;min-height:94px}
.wordmark{font-size:25px;letter-spacing:-.5px;line-height:1.2;white-space:nowrap}
.header-links{display:flex;align-items:center;gap:32px;min-width:0;font-size:13px;line-height:1.5}
.header-links a,.header-links button{padding:8px 0;color:#60605a;white-space:nowrap}
.header-links a:hover,.header-links button:hover{text-decoration:underline;text-underline-offset:5px}
.account-link{display:flex;gap:10px;align-items:center;min-width:0;max-width:220px;border:0;background:none;font:inherit}
.header-logout{margin:0}
.header-logout .account-link{padding-right:0}
.header-logout[data-mode='apps'] .account-link{color:#8a8378}
.account-trigger svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.15;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s}
.account-trigger[aria-expanded='true'] svg{transform:rotate(180deg)}
.account-retry{color:#8a8378!important}
.account-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account-trigger svg{flex:none}
.wordmark{flex-shrink:0}
.account-pending{display:grid;min-width:50px;min-height:35px;place-items:center}
.account-pending-line{display:block;width:38px;height:1px;background:#d9d9d1}
.logout-warning{width:min(760px,calc(100vw - 48px));margin:0 auto;padding:11px 16px;border:1px solid #e5dfd1;background:#fbfaf6;text-align:center;font:12px/1.7 var(--sans);color:#746b5b}
.worktable-link{font:12px/1.5 var(--sans)}
main{display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:calc(100svh - 94px);padding:24px 20px 54px}
.computer{position:relative;width:min(580px,calc(100vw - 64px),calc((100svh - 320px)*1.28));aspect-ratio:1.28;flex:none;isolation:isolate;overflow:clip}
.computer:focus{outline:none}
.computer-frame{position:absolute;z-index:2;display:block;width:135.2113%;height:123.5223%;max-width:none;left:-17.6056%;top:-12.6659%;user-select:none;pointer-events:none}
.screen{position:absolute;left:3%;top:5.5%;width:94%;height:63%;overflow:hidden;border-radius:16px;background:#f6f6f4}
.app-panel,.app-preview{width:100%;height:100%;display:block;position:relative}
.app-panel{--preview-bg:#f6f6f4;background:var(--preview-bg)}
.app-panel[data-preview='yours']{--preview-bg:#aaabaa}
.app-panel[data-preview='sense']{--preview-bg:#f8f7f3}
.app-panel[data-preview='whalesquiz']{--preview-bg:#fbfaf6}
.app-panel[data-preview='luoxing']{--preview-bg:#0a0a0c}
.app-panel[data-preview='aiworldline']{--preview-bg:#fff}
.app-panel[data-preview='thesis']{--preview-bg:#f5f6f8}
.app-preview{overflow:hidden;cursor:pointer}
.app-preview:focus-visible{outline:2px solid #89796c;outline-offset:-18px;border-radius:inherit}
.native-preview{display:block;width:100%;height:100%;padding:3% 0;object-fit:contain;user-select:none;transition:opacity .16s ease;opacity:1}
.app-panel.is-loading .native-preview,.app-panel.has-error .native-preview{opacity:0}
.preview-status{position:absolute;inset:0;display:grid;place-content:center;padding:20px;text-align:center;font:12px/1.8 var(--sans);color:var(--muted)}
.app-info{width:min(470px,calc(100vw - 54px));display:flex;align-items:center;flex-direction:column;text-align:center;margin-top:21px}
.app-summary{width:100%;min-width:0}
.app-summary h2{margin:0 0 6px;font:400 23px/1.3 var(--serif);letter-spacing:.03em}
.app-summary p{margin:0;min-height:50px;display:flex;align-items:center;justify-content:center;font:13px/1.9 var(--sans);color:#74746d;text-wrap:balance}
.open-app{display:inline-flex;align-items:center;justify-content:center;gap:9px;flex:none;min-width:84px;min-height:44px;margin-top:2px;font:12px/1.5 var(--sans);color:#52534c}
.open-app svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s}
.open-app:hover{color:#282a25}.open-app:hover svg{transform:translateX(3px)}.open-app span{border-bottom:1px solid #d1d1c8;padding:4px 0}
.dock{width:min(360px,calc(100vw - 44px));margin-top:21px;flex:none}
.dock-items{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) 1px minmax(0,1fr);align-items:start;gap:8px}
.dock-app{background:none;border:0;width:100%;min-width:44px;min-height:83px;position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:2px 0 10px;font:12px/1.4 var(--sans);white-space:nowrap;color:#77786f;transition:color .18s}
.app-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:transparent;transition:background .18s,transform .18s}.app-icon svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.45;stroke-linecap:round;stroke-linejoin:round}.dock-app[aria-pressed="true"]{color:#33372f}.dock-app[aria-pressed="true"] .app-icon{background:#f1f2ec}.all-apps-trigger .app-icon svg{width:23px;height:23px}
.dock-app:hover{color:#33372f}.dock-app:hover .app-icon{transform:translateY(-2px);background:#f6f6f2}
.dock-app::after{content:"";position:absolute;bottom:0;left:calc(50% - 1.5px);width:3px;height:3px;background:#888c7f;border-radius:50%;opacity:0;transition:opacity .18s}
.dock-app[aria-pressed='true']::after,.all-apps-trigger[data-active='true']::after{opacity:1}
.dock-divider{display:block;height:27px;width:1px;background:#e5e6df;margin-top:12px}
.app-library{width:min(720px,calc(100vw - 36px));max-height:calc(100svh - 48px);overflow-y:auto;padding:21px 28px 28px;border:1px solid #e7e6e0;border-radius:12px;background:#fff;color:var(--ink);box-shadow:0 14px 65px #25252010}
.app-library::backdrop{background:#ffffffd9;backdrop-filter:blur(3px)}
.library-header{display:flex;align-items:center;justify-content:space-between;padding:0 0 14px;border-bottom:1px solid #eeeee9}
.library-header h2{font:400 18px/1.4 var(--serif);margin:0;letter-spacing:.04em}
.library-close{width:44px;height:44px;background:none;border:0;display:grid;place-content:center;border-radius:50%;color:#77776d;margin-right:-10px}
.library-close:hover{background:#f5f5f1}
.library-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.2;stroke-linecap:round}
.app-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px 12px;margin-top:22px}
.library-app{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;min-height:144px;gap:8px;border:1px solid transparent;border-radius:8px;background:none;padding:14px 8px;font:13px/1.5 var(--sans)}
.library-app .app-icon{width:42px;height:42px;margin-bottom:3px}.library-app .app-icon svg{width:28px;height:28px}
.library-app:hover{background:#f8f8f4}
.library-app[aria-pressed='true']{background:#f7f7f2;border-color:#e4e4da}
.library-name{font:14px/1.5 var(--serif)}
.library-purpose{font:11px/1.6 var(--sans);color:var(--muted);text-align:center}
.access-drawer{inset:0 0 0 auto;width:min(390px,100vw);height:100dvh;max-width:none;max-height:none;margin:0 0 0 auto;padding:0;border:0;border-left:1px solid #e8e8e1;background:#fff;color:var(--ink);box-shadow:-18px 0 70px #2f30290d}
.access-drawer::backdrop{background:#ffffffc7;backdrop-filter:blur(2px)}
.access-sheet{display:flex;min-height:100%;flex-direction:column}
.access-header{display:flex;align-items:center;justify-content:space-between;padding:34px 34px 22px;border-bottom:1px solid #ecece6}
.access-header h2{margin:0;font:400 22px/1.35 var(--serif);letter-spacing:.04em}
.access-close{display:grid;width:42px;height:42px;margin-right:-10px;padding:0;place-content:center;border:0;border-radius:50%;background:none;color:#74756d}
.access-close:hover{background:#f7f7f3}
.access-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.2;stroke-linecap:round}
.access-content{flex:1;padding:5px 34px 32px}
.account-identity{margin:0 34px;padding:24px 0;border-bottom:1px solid #ecece6}
.account-caption{margin:0 0 8px;font:12px/1.5 var(--sans);color:var(--muted)}
.account-email{margin:0;font:15px/1.65 var(--sans);overflow-wrap:anywhere}
.access-section-title{margin:23px 34px 0;font:400 17px/1.4 var(--serif)}
.account-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
@media(max-width:700px){.account-identity{margin-inline:25px}.access-section-title{margin-inline:25px}}
.access-list,.permission-list{margin:0;padding:0;list-style:none}
.access-item{padding:27px 0 25px;border-bottom:1px solid #ecece6}
.access-item:last-child{border-bottom:0}
.access-item-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px}
.access-app-link{font:400 18px/1.45 var(--serif);text-underline-offset:5px}
.access-app-link:hover{text-decoration:underline}
.access-kind{flex:none;font:11px/1.4 var(--sans);letter-spacing:.04em;color:#777a70}
.access-kind-trial{color:#7a6e55}
.permission-list{display:grid;gap:11px;margin-top:16px}
.permission-list li{display:grid;gap:3px}
.permission-label{font:13px/1.55 var(--sans);color:#4f504a}
.permission-detail{font:12px/1.6 var(--sans);color:#8a8a82}
.access-message{margin:0;padding:31px 0;font:13px/1.8 var(--sans);color:#77786f}
.access-message strong{display:block;margin-bottom:5px;font:400 16px/1.55 var(--serif);color:#474842}
.access-message p{margin:0}
.access-retry{margin-top:20px;padding:0 0 4px;border:0;border-bottom:1px solid #cacac2;background:none;font:12px/1.5 var(--sans);color:#555750}
.access-footer{padding:20px 34px 30px;border-top:1px solid #ecece6}
.access-footer form{margin:0}
.access-footer p{margin:0 0 12px;font:11px/1.65 var(--sans);color:#96968e}
.logout-button{padding:5px 0;border:0;background:none;font:13px/1.5 var(--serif);color:#77786f}
.logout-button:hover{color:#343630;text-decoration:underline;text-underline-offset:5px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link{position:absolute;left:20px;top:-80px;background:#fff;padding:12px;z-index:5}.skip-link:focus{top:12px}
.noscript-note{text-align:center;margin:0 auto 24px;padding:0 24px;font:14px/1.8 var(--sans)}.noscript-note a{text-decoration:underline}
@media(max-height:800px) and (min-width:701px){.site-header{padding:22px 40px 14px;min-height:76px}main{min-height:calc(100svh - 76px);padding:20px 20px 28px}.computer{width:min(540px,calc(100vw - 64px),calc((100svh - 365px)*1.28))}.app-info{margin-top:14px}.app-summary h2{font-size:21px}.app-summary p{min-height:42px}.dock{margin-top:10px}.dock-app{min-height:79px}}
@media(max-width:700px){.site-header{padding:26px 22px 20px;min-height:85px;align-items:flex-start;gap:16px}.wordmark{font-size:22px}.header-links{gap:12px;font-size:11px;line-height:1.2}.header-links a,.header-links button{padding:2px 0}.account-link{gap:7px;max-width:145px}main{min-height:calc(100svh - 85px);padding:24px 18px 44px}.computer{width:min(440px,calc(100vw - 48px))}.screen{border-radius:8px}.app-info{width:calc(100vw - 60px);max-width:410px;margin-top:21px}.app-summary h2{font-size:22px;margin-bottom:8px}.app-summary p{font-size:12px;line-height:1.85;min-height:45px}.open-app{margin-top:4px}.dock{width:min(390px,calc(100vw - 40px));margin-top:21px}.dock-items{gap:4px}.dock-app{font-size:11px;min-height:80px;gap:8px}.app-icon{width:42px;height:42px;border-radius:13px}.app-icon svg{width:25px;height:25px}.dock-divider{height:25px;margin-top:11px}.preview-status{font-size:11px;padding:12px}.native-preview{transition:none}.app-library{padding:14px 18px 22px}.app-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:17px}.library-app{min-height:128px}.library-header h2{font-size:17px}.access-header{padding:28px 25px 19px}.access-content{padding:4px 25px 26px}.access-footer{padding:18px 25px 25px}}
@media(max-width:350px){.site-header{padding:24px 18px}.wordmark{font-size:20px}.computer{width:calc(100vw - 40px)}.app-info{width:calc(100vw - 48px)}.dock{width:calc(100vw - 32px)}.dock-items{gap:3px}.dock-app{font-size:10px}.app-icon{width:40px;height:40px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Selected D: quiet book typography and small ink marks. */
:root{--ink:#393a35;--muted:#74756c;--serif:Baskerville,'Songti SC',Georgia,'Noto Serif CJK SC',serif}
.site-header{padding:35px 54px 22px;min-height:92px}
.wordmark{font-family:Baskerville,Georgia,serif;font-size:27px;letter-spacing:-.6px}
.header-links{font-family:Baskerville,'Songti SC',serif;font-size:13px}
.account-link{gap:13px}
main{min-height:calc(100svh - 92px);padding:52px 24px 74px;justify-content:center}
.computer{width:min(580px,calc(100vw - 64px),calc((100svh - 385px)*1.28))}
.app-info{margin-top:25px;width:min(500px,calc(100vw - 52px))}
.app-summary h2{font:400 25px/1.4 var(--serif);letter-spacing:.1em;margin:0 0 13px}
.app-summary p{font:400 14px/1.9 var(--serif);color:var(--muted);min-height:31px;letter-spacing:.02em}
.open-app{margin-top:17px;font:400 14px/1.5 var(--serif);gap:12px;min-width:74px;color:#44463e}
.open-app span{border:0;padding:0}
.open-app svg{width:17px;height:17px;stroke-width:1.05}
.dock{width:min(352px,calc(100vw - 44px));margin-top:28px}
.dock-items{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.dock-divider{display:none}
.dock-app{min-height:68px;gap:7px;padding:0 0 12px;font:400 13px/1.45 var(--serif);color:#777a70}
.app-icon{width:36px;height:31px;border-radius:0;background:none!important}
.app-icon svg{width:25px;height:25px;stroke-width:1.3}
.app-icon .ink-mark{fill:currentColor;stroke:none}
.all-apps-trigger .app-icon svg{width:24px;height:24px}
.dock-app[aria-pressed="true"],.all-apps-trigger[data-active="true"]{color:#363831}
.dock-app:hover{color:#292d25}
.dock-app:hover .app-icon{transform:translateY(-1px)}
.dock-app::after{width:7px;height:1.6px;left:calc(50% - 3.5px);bottom:1px;border-radius:60% 35% 30% 55%;background:#373b32;transform:rotate(-5deg)}
.app-library{border:1px solid #e7e7df;border-radius:3px;box-shadow:0 12px 60px #35352c08;padding:22px 32px 30px}
.library-header h2{font-size:20px}
.library-header{border-bottom:0;padding-bottom:6px}
.library-app{border-radius:2px;min-height:126px}
.library-app[aria-pressed="true"]{border-color:transparent;background:#f7f7f3}
.library-app .app-icon svg{width:26px;height:26px}
.library-name{font-size:15px}
.library-purpose{font:12px/1.7 var(--serif)}
@media(max-height:940px) and (min-width:701px){.site-header{padding:25px 43px 18px;min-height:77px}
main{min-height:calc(100svh - 77px);padding:27px 24px 32px}
.computer{width:min(540px,calc(100vw - 64px),calc((100svh - 365px)*1.28))}
.app-info{margin-top:17px}
.app-summary h2{font-size:23px;margin-bottom:9px}
.app-summary p{font-size:14px}
.open-app{margin-top:8px}
.dock{margin-top:20px}
}
@media(max-width:700px){.site-header{padding:29px 25px 18px;min-height:82px}
.wordmark{font-size:25px}
.header-links{font-size:12px}
main{padding:36px 20px 40px;min-height:calc(100svh - 82px)}
.computer{width:min(430px,calc(100vw - 52px))}
.app-info{margin-top:24px;width:calc(100vw - 66px)}
.app-summary h2{font-size:24px;margin-bottom:12px}
.app-summary p{font-size:13px;min-height:49px;letter-spacing:.01em}
.open-app{margin-top:12px;min-height:44px}
.dock{margin-top:29px;width:min(340px,calc(100vw - 46px))}
.dock-app{font-size:13px;min-height:67px}
}

/* 未刊 uses its complete custom wordmark here; compact surfaces keep the single-character app icon. */
.weikan-brand{display:inline-flex;flex-direction:column;align-items:center;gap:4px;color:#303a34}
.weikan-brand[hidden]{display:none}
.weikan-wordmark{display:block;width:72px;height:auto;overflow:visible}
.weikan-brand small{font:400 8px/1.2 Baskerville,Georgia,serif;letter-spacing:.14em;color:#8a9189;white-space:nowrap}
@media(max-width:700px){.weikan-wordmark{width:68px}.weikan-brand small{font-size:7.5px;letter-spacing:.12em}}