:root{--paper:#fff;--ink:#101112;--muted:#697078;--line:#dedfe2;--blue:#2452ff;--red:#f23429;--yellow:#f9d531;--serif:Georgia,'Times New Roman','Songti SC','STSong',serif;--sans:Arial,'Helvetica Neue','PingFang SC','Microsoft YaHei',sans-serif;--mono:'SFMono-Regular',Consolas,monospace}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 var(--sans)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:wait;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:5px}a{color:inherit;text-decoration:none}button{border:0;background:none}button,a{touch-action:manipulation}input,select{border:1px solid #bbb;border-radius:0;background:#fff;color:var(--ink);padding:14px;max-width:100%}input[type=url],input[type=password],select{width:100%}label{display:block;font-size:13px;font-weight:700;margin:24px 0 9px}h1,h2,h3,p{margin:0}h1,h2{letter-spacing:-.055em;line-height:1.04}.eyebrow{font:10px/1.5 var(--mono);letter-spacing:.11em;text-transform:uppercase}.muted,.hint{color:var(--muted)}.hint{font-size:12px;line-height:1.8;margin:14px 0}.error{font-size:13px;color:#b6211c;margin:14px 0;min-height:0}.error:empty{display:none}.skip-link{position:fixed;top:-80px;left:20px;background:var(--ink);color:#fff;padding:10px;z-index:99}.skip-link:focus{top:10px}.boot{padding:10vh 10vw}.boot span{font-size:100px;font-weight:900;letter-spacing:-.09em}.boot p{color:var(--muted)}.shell{display:grid;grid-template-columns:192px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;border-right:1px solid var(--ink);padding:32px 24px;display:flex;flex-direction:column}.wordmark{font-size:44px;font-weight:900;line-height:1;letter-spacing:-.085em}.wordmark:after{content:'';display:inline-block;width:9px;height:9px;background:var(--blue);margin-left:3px}.publisher{font-size:10px;letter-spacing:.17em;margin-top:17px;line-height:1.8}.side-nav{display:flex;flex-direction:column;gap:5px;margin-top:64px}.nav-button{padding:12px 0;text-align:left;display:flex;justify-content:space-between;font-size:13px;border-bottom:1px solid transparent}.nav-button.active{font-weight:700;border-bottom-color:var(--ink)}.nav-button span{font:11px var(--mono)}.side-bottom{margin-top:auto;border-top:1px solid var(--ink);padding-top:20px}.edition-mark{display:grid;grid-template-columns:1fr 1fr;width:34px;height:34px;border:1px solid var(--ink);margin-bottom:20px}.edition-mark i:nth-child(1){background:var(--blue);border-right:1px solid var(--ink)}.edition-mark i:nth-child(2){background:var(--paper);border-bottom:1px solid var(--ink)}.edition-mark i:nth-child(3){background:var(--yellow);border-top:1px solid var(--ink);border-right:1px solid var(--ink)}.edition-mark i:nth-child(4){background:var(--red)}.side-bottom p{font:10px/1.8 var(--mono);color:var(--muted)}.workspace{padding:28px 48px 64px;min-width:0}.topline{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--ink)}.top-actions{display:flex;gap:20px;align-items:center}.text-button{padding:6px 0;font-size:12px;border-bottom:1px solid currentColor}.button{border:1px solid var(--ink);padding:13px 18px;min-height:46px;display:inline-flex;align-items:center;justify-content:space-between;gap:30px}.primary{background:var(--ink);color:#fff}.primary:hover{background:var(--blue);border-color:var(--blue)}.button.small{padding:10px 16px;min-height:40px;font-size:12px}.page-heading{margin:42px 0 34px;display:flex;align-items:end;justify-content:space-between;gap:20px}.page-heading h1{font-size:clamp(42px,5.8vw,84px);font-weight:900}.page-heading p{margin-top:14px;color:var(--muted);font-size:13px}.issue-number{font:78px/.8 var(--serif);letter-spacing:-.08em}.filter-row{border-bottom:1px solid var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:32px;min-height:45px}.filters{display:flex;gap:26px;white-space:nowrap}.filter{font-size:12px;padding:12px 0;border-bottom:3px solid transparent;margin-bottom:-1px}.filter.active{border-bottom-color:var(--ink);font-weight:700}.count-label{font:10px var(--mono);color:var(--muted);white-space:nowrap}.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:34px 24px;align-items:start}.publication{min-width:0;text-align:left;padding:0;display:block}.cover{position:relative;aspect-ratio:142/204;overflow:hidden;border:1px solid var(--ink);background:#fff;transition:transform .25s ease,box-shadow .25s ease}.publication[aria-pressed="true"] .cover{transform:translateY(-5px);box-shadow:5px 7px 0 #101112}.cover-top{position:absolute;top:12px;left:13px;right:13px;display:flex;justify-content:space-between;align-items:baseline;font:9px/1 var(--mono);letter-spacing:.04em;z-index:2}.cover-number{font:italic 21px var(--serif);letter-spacing:-.08em}.cover-title{position:absolute;left:13px;right:13px;top:20%;font-size:clamp(28px,3vw,48px);font-weight:900;line-height:.94;letter-spacing:-.055em;overflow-wrap:anywhere;hyphens:auto;max-height:52%;overflow:hidden;z-index:1}.cover-title.chinese{font-size:clamp(27px,2.7vw,43px);line-height:1.1;letter-spacing:-.055em}.cover-rule{position:absolute;left:0;right:0;top:73%;height:2px;background:currentColor}.cover-vertical{position:absolute;top:0;bottom:0;left:70%;width:2px;background:currentColor;opacity:.85}.cover-caption{position:absolute;bottom:0;right:0;top:73%;left:38%;padding:12px 10px;border-left:2px solid currentColor;font-size:12px;line-height:1.35;overflow:hidden;display:flex;align-items:end;font-weight:700;background:#fff;color:var(--ink)}.cover-publisher{position:absolute;left:12px;bottom:12px;font:8px var(--mono);letter-spacing:.12em;writing-mode:vertical-rl}.theme-technology{--tone:var(--blue)}.theme-literature{--tone:var(--red)}.theme-culture{--tone:var(--yellow)}.variant-0 .cover:before{content:'';position:absolute;top:0;left:0;bottom:27%;width:8px;background:var(--tone)}.variant-0 .cover-caption{background:var(--tone)}.variant-1 .cover{background:var(--ink);color:#fff}.variant-1 .cover-vertical{background:var(--tone)}.variant-1 .cover-caption{background:var(--tone);border-color:#fff}.variant-2 .cover{background:var(--tone);color:var(--ink)}.theme-technology.variant-2 .cover,.theme-literature.variant-2 .cover{color:#fff}.variant-2 .cover-caption{background:#fff;color:var(--ink)}.variant-3 .cover-title{font-family:var(--serif);font-weight:700;font-style:italic}.variant-3 .cover:before{content:'';position:absolute;left:0;top:0;right:0;height:15%;background:var(--tone);border-bottom:2px solid var(--ink)}.variant-3 .cover-vertical{left:37%}.variant-3 .cover-title{top:22%}.book-meta{padding-top:12px;font:10px/1.7 var(--mono);display:flex;justify-content:space-between;gap:8px;color:var(--muted)}.book-meta .host{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-status{font-size:11px;margin-top:5px;display:flex;align-items:center;gap:6px}.dot{width:5px;height:5px;border-radius:50%;background:var(--blue);display:inline-block}.dot.error-dot{background:var(--red)}.book-progress{width:100%;height:2px;border:none;appearance:none;margin-top:10px;background:#eee}.book-progress::-webkit-progress-bar{background:#eee}.book-progress::-webkit-progress-value{background:var(--ink)}.shelf-footer{margin-top:56px;padding-top:14px;border-top:1px solid var(--ink);display:flex;justify-content:space-between;font:9px var(--mono);letter-spacing:.08em;color:var(--muted)}.empty{border-top:1px solid var(--ink);padding:45px 0 40px;display:grid;grid-template-columns:1fr 1fr;gap:30px}.empty-type{font-size:clamp(54px,7vw,100px);font-weight:900;letter-spacing:-.075em;line-height:.86}.empty-copy{align-self:end}.empty-copy h2{font-size:25px;line-height:1.3}.empty-copy p{margin:14px 0 25px;max-width:310px;color:var(--muted);font-size:13px;line-height:1.9}.color-bar{display:grid;grid-template-columns:3fr 1fr 2fr;height:12px;grid-column:1/-1;gap:2px;background:var(--ink);border:1px solid var(--ink);margin-top:30px}.color-bar i:nth-child(1){background:var(--blue)}.color-bar i:nth-child(2){background:var(--yellow)}.color-bar i:nth-child(3){background:var(--red)}.search{border:0;border-bottom:1px solid var(--line);width:170px;padding:7px 0;font-size:12px}.reader-shell{max-width:1400px;margin:auto;padding:0 42px 80px}.reader-nav{height:82px;border-bottom:1px solid var(--ink);display:flex;justify-content:space-between;align-items:center;gap:20px}.reader-nav .wordmark{font-size:32px}.reader-nav-actions{display:flex;gap:22px;align-items:center}.reader-grid{display:grid;grid-template-columns:190px minmax(0,720px);gap:62px;justify-content:center;padding-top:64px}.reader-side{font:10px/1.8 var(--mono);color:var(--muted);position:sticky;top:36px;align-self:start}.reader-side h3{font:10px var(--mono);color:var(--ink);margin:24px 0 12px;letter-spacing:.08em}.reader-side .toc{border-top:1px solid var(--line);padding-top:8px;max-height:45vh;overflow:auto}.reader-side .toc a{display:block;padding:7px 0;line-height:1.6}.reader-side .toc a:hover{color:var(--blue)}.article-heading .eyebrow{border-top:5px solid var(--blue);padding-top:12px;display:block;margin-bottom:22px}.article-heading h1{font:700 clamp(36px,4.3vw,62px)/1.08 var(--serif);letter-spacing:-.04em;overflow-wrap:anywhere}.article-meta{font:11px/1.7 var(--mono);color:var(--muted);margin:22px 0 28px}.reader-controls{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);padding:14px 0;display:flex;align-items:center;justify-content:space-between;gap:16px}.language-tabs{display:flex;gap:20px}.language-tab{font-size:12px;padding:3px 0;border-bottom:2px solid transparent}.language-tab.active{font-weight:700;border-bottom-color:var(--blue)}.reader-state{font:10px/1.5 var(--mono);color:var(--muted)}.summary{padding:25px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.9}.summary strong{font:10px var(--mono);color:var(--blue);display:block;margin-bottom:10px;letter-spacing:.14em}.article-content{padding-top:30px;font:20px/1.85 var(--serif);overflow-wrap:anywhere;letter-spacing:.005em}.article-content>p{margin:0 0 1.35em}.article-content h2{font:700 28px/1.3 var(--sans);letter-spacing:-.04em;margin:2em 0 .9em;scroll-margin-top:30px}.article-content h3,.article-content h4,.article-content h5,.article-content h6{font:700 21px/1.5 var(--sans);margin:1.8em 0 .75em;scroll-margin-top:30px;letter-spacing:-.02em}.article-content blockquote{margin:1.7em 0;padding-left:22px;border-left:3px solid var(--blue);font-style:italic;color:#444}.article-content pre{white-space:pre-wrap;overflow:auto;font:13px/1.8 var(--mono);padding:20px;background:#f5f6f7;border:1px solid var(--line);margin:24px 0}.article-content .formula{font:18px/1.8 var(--serif);text-align:center;padding:24px;overflow:auto;white-space:pre-wrap}.article-content details{font:12px/1.8 var(--sans);color:var(--muted);border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:18px}.article-content summary{cursor:pointer;letter-spacing:.03em}.article-content details p{margin-top:12px}.reference{font:12px/1.8 var(--sans);color:var(--muted);margin:20px 0}.article-content figure{margin:32px 0}.article-content img{display:block;max-width:100%;height:auto;margin:auto}.article-content figcaption{font:11px/1.8 var(--sans);color:var(--muted);margin-top:10px}.image-unavailable{display:block;font:12px var(--sans);background:#f4f5f6;padding:28px;color:var(--muted)}.reader-end{border-top:1px solid var(--ink);margin-top:50px;padding-top:24px;font:11px var(--mono);display:flex;justify-content:space-between}.processing-view{padding:80px 0;max-width:640px;margin:auto}.processing-view h1{font-size:48px;line-height:1.2;margin:24px 0}.processing-view p{color:var(--muted);line-height:1.8;margin:20px 0 30px}.processing-steps{display:flex;gap:20px;margin:30px 0;font:11px var(--mono)}.step.active{color:var(--blue)}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.login-poster{border-right:1px solid var(--ink);padding:55px;display:flex;flex-direction:column;justify-content:space-between}.login-poster h1{font-size:clamp(80px,11vw,170px);line-height:.8;font-weight:900;letter-spacing:-.09em;margin:60px 0}.login-poster .color-bar{margin-top:50px;height:22px}.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:40px}.login-form-wrap form{width:100%;max-width:340px}.login-form-wrap h2{font-size:39px;margin-top:25px}.login-form-wrap .button{width:100%;margin-top:18px}.login-form-wrap .hint{margin-top:20px}dialog{border:1px solid var(--ink);border-radius:0;padding:30px;max-width:460px;width:calc(100% - 36px);max-height:90vh;color:var(--ink)}dialog::backdrop{background:#10111266;backdrop-filter:blur(3px)}dialog h2{font-size:43px;margin:26px 0 22px}dialog .primary{width:100%;margin-top:18px}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.icon-button{font-size:28px;line-height:1;min-width:32px;min-height:32px}.toggle-row{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}.toggle-row small{display:block;color:var(--muted);font-weight:400;margin-top:5px}.toggle-row input{accent-color:var(--blue);width:18px;height:18px}.connection-status{font-size:12px;margin-top:20px}.dialog-actions{display:flex;gap:15px;margin-top:28px}.danger{background:var(--red);border-color:var(--red);color:#fff}#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;transition:.2s;background:var(--ink);color:#fff;padding:12px 20px;font-size:13px;max-width:calc(100% - 32px);z-index:100}#toast.visible{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}
@media(min-width:1500px){.workspace{padding-left:70px;padding-right:70px}.shelf{grid-template-columns:repeat(5,minmax(0,1fr));gap:38px 28px}}@media(max-width:1050px){.shell{grid-template-columns:156px minmax(0,1fr)}.sidebar{padding:28px 20px}.workspace{padding:28px}.cover-title{font-size:34px}.cover-title.chinese{font-size:31px}.reader-grid{grid-template-columns:150px minmax(0,650px);gap:35px}.reader-shell{padding:0 28px 60px}}@media(max-width:700px){.shell{display:block}.sidebar{height:auto;position:relative;border-right:0;padding:24px 22px 0;display:flex;flex-direction:row;justify-content:space-between;align-items:center}.wordmark{font-size:40px}.publisher,.side-bottom{display:none}.side-nav{flex-direction:row;margin:0;gap:20px}.nav-button{font-size:12px;padding:10px 0}.nav-button span{display:none}.workspace{padding:20px 22px 45px}.topline .eyebrow{font-size:8px;letter-spacing:.05em}.top-actions{gap:14px}.top-actions .text-button{font-size:11px}.button.small{padding:8px 12px;min-height:36px}.page-heading{margin:34px 0 26px}.page-heading h1{font-size:48px}.page-heading p{font-size:12px;max-width:210px}.issue-number{font-size:60px}.filter-row{overflow:hidden;margin-bottom:26px}.filters{gap:22px;overflow:auto;scrollbar-width:none}.count-label{display:none}.filter{font-size:11px;flex-shrink:0}.shelf{display:flex;gap:0;overflow-x:auto;padding:4px 0 18px;touch-action:pan-y;scrollbar-width:none;user-select:none;align-items:start;min-height:390px}.publication{flex:0 0 var(--span,55px);width:var(--span,55px);overflow:hidden;transition:flex-basis .3s cubic-bezier(.2,.7,.2,1),width .3s;position:relative}.publication .cover{width:230px;aspect-ratio:142/204}.cover-title{font-size:43px}.cover-title.chinese{font-size:37px}.publication:not(.focused) .book-meta,.publication:not(.focused) .book-status,.publication:not(.focused) .book-progress{visibility:hidden}.publication:not(.focused) .cover{background:var(--tone);color:var(--ink)}.publication:not(.focused) .cover-title,.publication:not(.focused) .cover-caption{opacity:.08}.publication .book-meta{width:230px;padding-right:18px}.shelf-hint{font:10px var(--mono);color:var(--muted);margin-top:2px}.shelf-footer{margin-top:32px;font-size:8px;gap:10px}.empty{grid-template-columns:1fr;padding:30px 0}.empty-type{font-size:90px}.empty-copy{margin-top:10px}.empty-copy h2{font-size:25px}.color-bar{margin-top:10px}.reader-shell{padding:0 22px 50px}.reader-nav{height:72px}.reader-nav-actions{gap:16px}.reader-nav-actions .button{font-size:11px;padding:8px 11px;min-height:35px}.reader-grid{display:block;padding-top:35px}.reader-side{display:none}.article-heading h1{font-size:38px;line-height:1.13}.article-meta{font-size:10px;margin:20px 0}.article-content{font-size:18px;line-height:1.9}.article-content h2{font-size:25px}.reader-state{max-width:145px;text-align:right;font-size:9px}.reader-controls{gap:8px}.language-tabs{gap:15px}.login-page{display:block}.login-poster{border-right:0;border-bottom:1px solid var(--ink);padding:28px 28px 20px}.login-poster h1{font-size:90px;margin:35px 0 25px}.login-poster .color-bar{margin-top:0;height:10px}.login-poster .eyebrow{display:none}.login-form-wrap{padding:35px 28px 50px}.login-form-wrap h2{font-size:32px;margin-top:15px}.login-form-wrap form{max-width:none}.processing-view{padding:45px 0}.processing-view h1{font-size:36px}.dialog-top .eyebrow{font-size:9px}dialog{padding:24px}dialog h2{font-size:36px}.search{width:120px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}

.cover-title{overflow-wrap:normal;hyphens:none}.shelf .cover-title{word-break:normal}

.access-code-row{display:flex;gap:12px;align-items:center}.access-code-row input{flex:1;min-width:0}.access-code-row button{flex:none;min-width:48px;min-height:44px}.remember-login{display:flex;align-items:center;gap:10px;font-size:14px;margin:16px 0}.remember-login input{width:18px;height:18px;margin:0;accent-color:var(--blue,#164ee8)}


.cover{border-radius:12px}.button{border-radius:8px}dialog{border-radius:14px}
@media(max-width:700px){
.shelf{gap:12px;touch-action:auto;scroll-snap-type:x proximity}
.shelf .publication{flex:0 0 min(230px,86%);width:min(230px,86%);scroll-snap-align:start;transition:none}
.shelf .publication .cover,.shelf .publication .book-meta{width:100%}
}


@media(min-width:701px){
 .shelf{display:flex;overflow-x:auto;gap:24px;padding:7px 8px 16px 0;scrollbar-width:thin}
 .publication{flex:0 0 clamp(180px,16vw,240px)}
}
.shelf{user-select:none;overscroll-behavior-x:contain;scroll-snap-type:none}
.shelf.can-drag,.shelf.can-drag .publication{cursor:grab}
.shelf.is-dragging,.shelf.is-dragging .publication{cursor:grabbing}

.shelf .publication{overflow:visible}.shelf{padding-top:7px}

/* Leave the title field clear; resume the same rule below the last line. */
.cover-vertical { bottom:auto; height:15%; }
.cover-vertical::after {
  content:""; position:absolute; top:var(--rule-resume); left:0;
  width:100%; height:var(--rule-tail); background:inherit;
}
.cover-publisher { writing-mode:horizontal-tb; max-width:calc(38% - 20px);
  font-size:8px; line-height:1.25; bottom:11px; letter-spacing:.06em; }
.book-meta { font-size:11px; font-variant-numeric:tabular-nums; }
.publication .book-meta { padding-right:0; }
.shelf-hint { font:12px/1.55 var(--sans); color:var(--muted); margin:4px 0 0; }
@media(max-width:700px) {
  .shelf { min-height:0; padding-bottom:10px; }
  .page-heading { margin:26px 0 18px; }
}


.theme-technology.variant-0 .cover-caption,.theme-technology.variant-1 .cover-caption{color:white}
.variant-3 .cover-vertical{height:0}
.issue-number,.cover-number,.nav-button span{font-variant-numeric:tabular-nums}
.cover-publisher{font-size:9px}


.cover-title:has(.title-line){line-height:1.06;overflow:visible}
.cover-title .title-line{display:block;white-space:nowrap}
@media(min-width:701px){
  .page-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;row-gap:0}
  .page-heading>div{display:contents}
  .page-heading h1,.page-heading .issue-number{grid-row:1}
  .page-heading .issue-number{grid-column:2;justify-self:end}
  .page-heading p{grid-row:2}
}


.publication[data-finished=true] .cover{filter:grayscale(.82) brightness(.82)}
.finished-label{font-size:12px;color:var(--muted)}
.progress-line{display:flex;align-items:center;gap:8px;margin-top:5px}
.progress-line .book-progress{margin:0;flex:1;height:3px}
.progress-line small{font:11px var(--mono)}







.publication .cover{transition:transform .23s cubic-bezier(.2,.75,.25,1),box-shadow .23s cubic-bezier(.2,.75,.25,1)}
@keyframes turn-in{from{opacity:.65;transform:translateY(4px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:no-preference){.reader-shell{animation:turn-in .2s ease-out}}
@media(prefers-reduced-motion:reduce){.publication .cover,.reader-shell{transition:none;animation:none}}


.feed-intro{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-top:1px solid var(--ink);margin-top:44px;padding-top:18px;font-size:14px}
.feed-intro small{font-size:11px;color:var(--muted)}
.feed-section{margin-top:30px}
.feed-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}
.feed-heading h2{font-size:28px;letter-spacing:-.05em;margin:0}
.feed-heading p{font-size:12px;color:var(--muted);margin:6px 0 0}
.feed-modes{display:flex;gap:16px;flex-shrink:0}
.feed-modes button{padding:6px 0;border-bottom:2px solid transparent;font-size:12px}
.feed-modes [aria-pressed=true]{border-color:var(--ink);font-weight:bold}
.feed-large{display:grid;grid-template-columns:repeat(3,minmax(0,230px));gap:24px;padding:6px 8px 0 0}
.feed-card{min-width:0}
.feed-card .publication{width:100%;overflow:visible}
.feed-card .cover{width:100%}
.feed-person{display:flex;align-items:center;gap:9px;font-size:13px;min-width:0}
.feed-card>.feed-person{margin-bottom:13px}
.initial{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#f1f1ee;font-size:12px;flex-shrink:0}
.feed-note,.feed-auto-note{font-size:12px;line-height:1.6;color:var(--muted)}
.feed-note{margin:10px 0 0}.feed-auto-note{margin:16px 0 0}
.feed-row{display:grid;grid-template-columns:160px minmax(0,1fr) 40px;align-items:center;gap:16px;width:100%;text-align:left;padding:16px 12px;border:1px solid var(--line);border-radius:12px;background:var(--paper);margin-bottom:10px;transition:box-shadow .23s ease,transform .23s ease}
.feed-row[aria-pressed=true]{box-shadow:5px 7px 0 var(--ink);transform:translateY(-3px);border-color:var(--ink)}
.feed-copy{display:grid;gap:5px;min-width:0}.feed-copy strong{font-size:18px;font-family:var(--serif);overflow-wrap:anywhere}
.feed-copy>span,.feed-date{font-size:11px;color:var(--muted)}
@media(max-width:700px){
.feed-heading{display:block}.feed-modes{margin-top:12px}.feed-large{gap:14px;grid-template-columns:repeat(3,minmax(210px,230px));overflow-x:auto;padding:6px 9px 12px 0}
.feed-row{grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:14px}
.feed-row .feed-person{grid-column:1}.feed-date{grid-column:2;grid-row:1}.feed-copy{grid-column:1/-1}
.feed-card .book-meta{width:100%}
}
@media(prefers-reduced-motion:reduce){.feed-row{transition:none}}

.feed-large{user-select:none}.feed-large[data-bound] .publication{cursor:grab}.feed-large.is-dragging .publication{cursor:grabbing}

.page-heading{margin:25px 0 20px}.page-heading h1{font-size:clamp(38px,4vw,58px)}.issue-number{font-size:56px}
.page-heading p{margin-top:9px}.filter-row{margin-bottom:18px}
.shelf{min-height:0;gap:20px}
.shelf .publication{flex:0 0 182px;width:182px}
.shelf .publication .cover{width:100%}
.shelf .cover-title{font-size:34px}
.shelf .cover-title.chinese{font-size:31px}
.discovery-grid{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.6fr);gap:32px;margin-top:26px;padding-top:20px;border-top:1px solid}
.discovery-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px}
.discovery-heading h2{font-size:24px;letter-spacing:-.05em;margin:0}.discovery-heading small{font-size:10px;color:var(--muted)}
.friend-card{display:flex;flex-direction:column;align-items:stretch;gap:8px;padding:13px 16px;margin-bottom:12px;border-color:var(--ink);color:var(--ink);background:white}
.friend-card.variant-1,.subscription-banner.variant-1{background:var(--ink);color:white}
.friend-card.variant-2,.subscription-banner.variant-2{background:var(--tone);color:var(--ink)}
.friend-card.theme-technology.variant-2,.subscription-banner.theme-technology.variant-2{color:white}
.friend-card.variant-3{background:white;border-top:5px solid var(--tone)}
.friend-card.variant-0,.subscription-banner.variant-0{border-left:6px solid var(--tone)}
.friend-card .initial{width:22px;height:22px;background:transparent;border:1px solid currentColor}
.friend-date{margin-left:auto;font:10px var(--mono)}
.friend-title{font:700 20px/1.1 var(--serif)}.friend-note{font-size:11px;line-height:1.5}
.subscription-strip{display:flex;gap:16px;overflow-x:auto;padding:5px 8px 12px 0;scrollbar-width:thin;user-select:none}
.subscription-banner{display:flex;flex-direction:column;align-items:stretch;justify-content:space-between;flex:0 0 min(100%,390px);width:390px;min-height:196px;border-color:var(--ink);padding:18px 20px;margin:0;background:white;color:var(--ink);gap:22px;cursor:grab}
.subscription-banner strong{font:700 32px/.98 var(--serif);letter-spacing:-.04em;overflow-wrap:anywhere}
.banner-top,.banner-bottom{display:flex;justify-content:space-between;gap:12px;font-size:11px}
.banner-top{border-bottom:1px solid currentColor;padding-bottom:10px}
.subscription-strip.is-dragging .subscription-banner{cursor:grabbing}
.shelf-footer{margin-top:30px}
@media(max-width:1000px){.discovery-grid{grid-template-columns:minmax(0,1fr);gap:26px}}
@media(max-width:700px){
.page-heading{margin:23px 0 18px}.page-heading h1{font-size:42px}.issue-number{font-size:48px}
.shelf{gap:14px}.shelf .publication{flex-basis:170px;width:170px}
.shelf .publication .book-meta{width:100%}
.discovery-grid{margin-top:23px;padding-top:18px}
.subscription-banner{flex-basis:88%;min-height:170px;padding:16px;gap:20px}
.subscription-banner strong{font-size:28px}
.friend-card .feed-person{grid-column:auto}
}


.subscriptions-section{margin:24px 0 28px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.friends-section{margin-top:26px;padding-top:20px;border-top:1px solid var(--ink)}
.friend-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.friend-card{margin-bottom:0}
@media(max-width:1000px){.friend-list{grid-template-columns:1fr}}
@media(max-width:700px){.subscriptions-section{margin:20px 0 24px;padding-bottom:16px}}

@media (max-width:1000px) and (max-height:500px) and (pointer:coarse){.shell{display:block}.sidebar{height:auto;position:relative;border-right:0;padding:24px 22px 0;display:flex;flex-direction:row;justify-content:space-between;align-items:center}.wordmark{font-size:40px}.publisher,.side-bottom{display:none}.side-nav{flex-direction:row;margin:0;gap:20px}.nav-button{font-size:12px;padding:10px 0}.nav-button span{display:none}.workspace{padding:20px 22px 45px}.topline .eyebrow{font-size:8px;letter-spacing:.05em}.top-actions{gap:14px}.top-actions .text-button{font-size:11px}.button.small{padding:8px 12px;min-height:36px}.page-heading{margin:34px 0 26px}.page-heading h1{font-size:48px}.page-heading p{font-size:12px;max-width:210px}.issue-number{font-size:60px}.filter-row{overflow:hidden;margin-bottom:26px}.filters{gap:22px;overflow:auto;scrollbar-width:none}.count-label{display:none}.filter{font-size:11px;flex-shrink:0}.shelf{display:flex;gap:0;overflow-x:auto;padding:4px 0 18px;touch-action:pan-y;scrollbar-width:none;user-select:none;align-items:start;min-height:390px}.publication{flex:0 0 var(--span,55px);width:var(--span,55px);overflow:hidden;transition:flex-basis .3s cubic-bezier(.2,.7,.2,1),width .3s;position:relative}.publication .cover{width:230px;aspect-ratio:142/204}.cover-title{font-size:43px}.cover-title.chinese{font-size:37px}.publication:not(.focused) .book-meta,.publication:not(.focused) .book-status,.publication:not(.focused) .book-progress{visibility:hidden}.publication:not(.focused) .cover{background:var(--tone);color:var(--ink)}.publication:not(.focused) .cover-title,.publication:not(.focused) .cover-caption{opacity:.08}.publication .book-meta{width:230px;padding-right:18px}.shelf-hint{font:10px var(--mono);color:var(--muted);margin-top:2px}.shelf-footer{margin-top:32px;font-size:8px;gap:10px}.empty{grid-template-columns:1fr;padding:30px 0}.empty-type{font-size:90px}.empty-copy{margin-top:10px}.empty-copy h2{font-size:25px}.color-bar{margin-top:10px}.reader-shell{padding:0 22px 50px}.reader-nav{height:72px}.reader-nav-actions{gap:16px}.reader-nav-actions .button{font-size:11px;padding:8px 11px;min-height:35px}.reader-grid{display:block;padding-top:35px}.reader-side{display:none}.article-heading h1{font-size:38px;line-height:1.13}.article-meta{font-size:10px;margin:20px 0}.article-content{font-size:18px;line-height:1.9}.article-content h2{font-size:25px}.reader-state{max-width:145px;text-align:right;font-size:9px}.reader-controls{gap:8px}.language-tabs{gap:15px}.login-page{display:block}.login-poster{border-right:0;border-bottom:1px solid var(--ink);padding:28px 28px 20px}.login-poster h1{font-size:90px;margin:35px 0 25px}.login-poster .color-bar{margin-top:0;height:10px}.login-poster .eyebrow{display:none}.login-form-wrap{padding:35px 28px 50px}.login-form-wrap h2{font-size:32px;margin-top:15px}.login-form-wrap form{max-width:none}.processing-view{padding:45px 0}.processing-view h1{font-size:36px}.dialog-top .eyebrow{font-size:9px}dialog{padding:24px}dialog h2{font-size:36px}.search{width:120px}
.shelf{gap:12px;touch-action:auto;scroll-snap-type:x proximity}
.shelf .publication{flex:0 0 min(230px,86%);width:min(230px,86%);scroll-snap-align:start;transition:none}
.shelf .publication .cover,.shelf .publication .book-meta{width:100%}

  .shelf { min-height:0; padding-bottom:10px; }
  .page-heading { margin:26px 0 18px; }

.feed-heading{display:block}.feed-modes{margin-top:12px}.feed-large{gap:14px;grid-template-columns:repeat(3,minmax(210px,230px));overflow-x:auto;padding:6px 9px 12px 0}
.feed-row{grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:14px}
.feed-row .feed-person{grid-column:1}.feed-date{grid-column:2;grid-row:1}.feed-copy{grid-column:1/-1}
.feed-card .book-meta{width:100%}

.page-heading{margin:23px 0 18px}.page-heading h1{font-size:42px}.issue-number{font-size:48px}
.shelf{gap:14px}.shelf .publication{flex-basis:170px;width:170px}
.shelf .publication .book-meta{width:100%}
.discovery-grid{margin-top:23px;padding-top:18px}
.subscription-banner{flex-basis:88%;min-height:170px;padding:16px;gap:20px}
.subscription-banner strong{font-size:28px}
.friend-card .feed-person{grid-column:auto}
.subscriptions-section{margin:20px 0 24px;padding-bottom:16px}}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{padding-top:env(safe-area-inset-top,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
dialog{max-height:calc(100dvh - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px) - 32px)}
@media(max-width:700px),(max-width:1000px) and (max-height:500px) and (pointer:coarse){
.sidebar{padding:18px 20px 0;gap:16px;flex-wrap:wrap}
.side-nav{gap:12px;flex:1;justify-content:flex-end}
.nav-button{min-height:44px;align-items:center}
.workspace{padding:16px 20px 32px}
.topline{flex-wrap:wrap;gap:8px;padding-bottom:10px}
.topline .eyebrow{font-size:9px}
.top-actions{gap:12px}
.top-actions .text-button,.top-actions .button{min-height:44px;display:inline-flex;align-items:center}
.subscriptions-section{margin:18px 0 22px;padding-bottom:16px}
.subscription-banner{min-height:158px;gap:16px}
.subscription-banner strong{font-size:28px}
.discovery-heading{margin-bottom:12px}
.page-heading{margin:20px 0 14px}
.page-heading h1{font-size:42px}
.page-heading p{margin-top:8px}
.filter-row{flex-wrap:wrap;overflow:visible;gap:4px 14px}
.filters{gap:18px;flex:1;min-width:200px}
.filter{min-height:44px}
.search{width:126px;font-size:16px;min-height:44px;min-width:0}
.shelf .publication{flex-basis:clamp(170px,44vw,194px);width:clamp(170px,44vw,194px)}
.shelf .cover-caption{font-size:12px}
.shelf{padding-top:8px;padding-bottom:16px}
.shelf-hint{margin-top:4px;font-size:12px}
.shelf,.subscription-strip{touch-action:pan-x pan-y}
.publication,.feed-row{ -webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.reader-shell{padding:0 20px 32px}
.reader-nav{height:auto;min-height:64px;gap:8px;flex-wrap:wrap;padding:8px 0}
.reader-nav .wordmark{font-size:27px}
.reader-nav-actions{gap:12px}
.reader-nav button,.reader-nav-actions a,.language-tab,.reader-controls .text-button{min-height:44px;display:inline-flex;align-items:center}
.reader-grid{padding-top:24px}
.reader-controls{flex-wrap:wrap}
.article-heading h1{font-size:34px;overflow-wrap:anywhere}
.article-content{overflow-wrap:break-word}
.article-content pre,.formula{max-width:100%;overflow-x:auto}
dialog input,dialog select,dialog textarea{font-size:16px;min-height:44px}
dialog .icon-button,dialog .text-button{min-height:44px;min-width:44px}
}
@media(min-width:420px) and (max-width:700px){
.workspace{padding-left:24px;padding-right:24px}.sidebar{padding-left:24px;padding-right:24px}
}


@media(max-width:1000px) and (max-height:500px) and (pointer:coarse){
.subscription-banner{flex-basis:390px}
}


.mobile-dock{display:none}
@media(max-width:1100px){
 body{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
 .mobile-dock{position:fixed;z-index:30;bottom:0;left:env(safe-area-inset-left,0px);right:env(safe-area-inset-right,0px);display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:var(--paper);border-top:1px solid var(--ink);padding:8px 16px calc(8px + env(safe-area-inset-bottom,0px));transform:translateY(105%);visibility:hidden;transition:transform .24s cubic-bezier(.2,.75,.25,1),visibility .24s}
 .mobile-dock.is-visible{transform:translateY(0);visibility:visible}
 .mobile-dock button{min-height:48px;border-radius:8px;font-size:14px;display:flex;align-items:center;justify-content:center;gap:8px}
 .mobile-dock button:active{background:#f0f0ed}
 .mobile-dock button[aria-current=page],.mobile-dock button[aria-expanded=true]{background:var(--ink);color:var(--paper)}
 .mobile-dock svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
}
.my-links{display:grid;gap:4px;margin-top:20px}
.my-links button{display:flex;justify-content:space-between;align-items:center;min-height:52px;border-bottom:1px solid var(--line);font-size:15px}
.my-links span{font:14px var(--mono)}
@media(prefers-reduced-motion:reduce){.mobile-dock{transition:none}}


.profile-card{margin:18px 0 24px}
.profile-identity{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.profile-avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;background:#efefeb;display:grid;place-items:center;font-size:26px;flex-shrink:0;border:1px solid var(--line)}
.profile-identity h3{font-size:20px;margin:0 0 5px;overflow-wrap:anywhere}
.profile-identity p{margin:0;font-size:12px;color:var(--muted)}
.uid-row{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 0;margin:16px 0}
.uid-row input{min-width:0;flex:1;font:12px var(--mono);padding:8px 0;border:0;background:none}
.uid-row button{white-space:nowrap;font-size:12px}
.profile-actions{display:flex;gap:24px}
.profile-edit label{display:block;font-size:13px;margin:16px 0 7px}
.profile-edit input{width:100%;min-width:0}
.profile-edit button{margin-top:16px}
.profile-demo{font-size:11px;color:var(--muted);line-height:1.6;margin-top:14px}


.social-form label{display:block;font-size:13px;margin:20px 0 8px}
.social-form input{width:100%;font-size:16px}
.social-form .button{margin-top:14px}
.social-result{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.social-result strong{font-size:16px}.social-result small{display:block;font-size:11px;color:var(--muted);margin-top:5px}
.social-result button{min-height:44px;flex-shrink:0}
.subscription-code{font:18px/1.5 var(--mono);letter-spacing:.02em;word-break:break-all}