/* 拾页: editorial reading, calm product controls. Variance 5 / motion 2 / density 4.
   Native CSS, system Chinese fonts. 8px controls, 14px panels, one green accent. */
:root{color-scheme:light dark;--bg:#f6f7f5;--surface:#fdfefd;--paper:var(--bg);--white:var(--surface);--ink:#202b25;--muted:#667168;--line:#dfe5df;--accent:#315e48;--accent-hover:#244b38;--accent-soft:#edf3ed;--danger:#a33131;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--serif:"Songti SC","STSong","Noto Serif CJK SC",serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}a,button,input,textarea{transition:background-color .16s,color .16s,border-color .16s}button{color:inherit}a:hover{color:var(--accent)}input,textarea,select{color:var(--ink);background:var(--surface)}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:active,.button:active{transform:translateY(1px)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:10;background:var(--accent);color:var(--surface);padding:12px 18px;border-radius:8px}.skip-link:focus{top:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:10px 18px;border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:500;white-space:nowrap;line-height:1.4}.primary{background:var(--accent);color:#fdfefd}.primary:hover{background:var(--accent-hover);color:#fdfefd}.secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}.secondary:hover{background:var(--accent-soft);border-color:var(--accent)}.wordmark{display:inline-flex;gap:11px;align-items:center;flex:none}.brand-mark{display:grid;place-items:center;width:39px;height:43px;border-radius:3px 9px 3px 3px;background:var(--accent);color:#fdfefd;font:400 24px var(--serif)}.brand-name{font-size:23px;font-weight:600;letter-spacing:2px;line-height:1.2}.brand-name small{display:block;margin-top:6px;font-size:10px;letter-spacing:2px;font-weight:400;color:var(--muted)}.site-header{height:82px;border-bottom:1px solid var(--line);background:var(--surface)}.header-inner{max-width:1200px;margin:0 auto;padding:0 40px;height:100%;display:flex;justify-content:space-between;align-items:center}.site-header nav{display:flex;align-items:center;gap:27px;font-size:13px}.nav-link{color:var(--muted);padding:12px 0}.nav-link.is-current{color:var(--accent);font-weight:600}.logout-link{font-size:12px}.small-label{color:var(--accent);font-size:12px;font-weight:500;letter-spacing:1.5px}.library-shell{max-width:1200px;padding:0 40px;margin:auto}.library-intro{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:39px 0 36px;min-height:229px}.library-intro h1{font:500 clamp(27px,3vw,38px)/1.4 var(--serif);letter-spacing:1px;margin:11px 0 13px}.library-intro p:last-child{font-size:13px;color:var(--muted);line-height:1.8;margin:0}.library-intro img{width:232px;height:138px;object-fit:cover;object-position:50% 56%;border-radius:12px;filter:saturate(.72)}.library-layout{display:grid;grid-template-columns:182px minmax(0,1fr);gap:44px;padding-bottom:60px}.library-sidebar{padding-top:10px}.sidebar-label{font-size:11px;color:var(--muted);margin:0 12px 15px;letter-spacing:1px}.collection-list{display:grid;gap:3px}.collection-link{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px;border-radius:7px;font-size:13px}.collection-link.is-active{background:var(--accent-soft);color:var(--accent);font-weight:600}.count{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.collection-link:hover{background:var(--accent-soft)}.random-link{display:flex;justify-content:space-between;align-items:center;margin-top:15px;padding:17px 12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.import-tile{display:flex;flex-direction:column;align-items:flex-start;text-align:left;width:100%;margin-top:22px;border:1px dashed #aabaae;border-radius:10px;background:transparent;padding:20px 15px;color:var(--muted)}.import-tile:hover{border-color:var(--accent);background:var(--accent-soft)}.import-plus{font-size:24px;color:var(--accent);line-height:1;margin-bottom:14px}.import-tile strong{color:var(--ink);font-size:13px;font-weight:500;margin-bottom:9px}.import-tile>span:not(.import-plus){font-size:10px}.import-tile small{font-size:10px;margin-top:6px}.collection{min-width:0}.collection-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:6px;min-height:48px}.collection-head h2{font-size:17px;font-weight:600;margin:0;display:flex;align-items:center;gap:12px}.collection-head h2>span{font-size:11px;color:var(--muted);font-weight:400;white-space:nowrap}.search-form{display:flex;align-items:center;max-width:270px;background:var(--surface);border:1px solid var(--line);border-radius:8px}.search-form:focus-within{border-color:var(--accent)}.search-form input{width:100%;min-width:0;padding:11px 12px;border:0;background:transparent;font-size:12px;outline:none}.search-form button{border:0;background:transparent;font-size:11px;color:var(--muted);padding:12px;white-space:nowrap}.search-summary{font-size:12px;color:var(--muted);line-height:1.8}.search-summary a{color:var(--accent);margin-left:12px;text-decoration:underline}.essay-row{border-bottom:1px solid var(--line)}.essay-link{display:grid;grid-template-columns:61px minmax(0,1fr) 20px;gap:24px;padding:28px 4px;align-items:center}.essay-link:hover .essay-main h2{color:var(--accent)}.essay-link:hover .essay-arrow{transform:translate(2px,-2px)}.essay-date{align-self:start;padding-top:6px;color:var(--muted);text-align:center;font-variant-numeric:tabular-nums}.essay-date>span{display:block;font-size:29px;line-height:1.2;font-weight:300;letter-spacing:-1px}.essay-date small{display:block;font-size:10px;margin-top:9px;letter-spacing:.6px}.essay-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;color:var(--muted);font-size:11px;line-height:1.8}.essay-tag{color:var(--accent);font-size:11px}.essay-main h2{font:500 24px/1.5 var(--serif);margin:7px 0 10px;overflow-wrap:anywhere}.essay-main>p{font-size:12px;color:var(--muted);line-height:1.85;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.essay-arrow{color:var(--muted);font-size:19px;transition:transform .16s}.collection-end{font-size:11px;text-align:center;color:var(--muted);margin:29px 0 0}.empty-state{padding:60px 20px;text-align:center;border:1px dashed var(--line);border-radius:12px;margin-top:18px}.empty-state h3{font-size:20px;font-weight:500;margin:0 0 14px}.empty-state p{color:var(--muted);font-size:13px;line-height:1.8;margin-bottom:23px}.site-footer{max-width:1120px;margin:auto;border-top:1px solid var(--line);display:flex;gap:16px;align-items:center;padding:22px 0 30px;color:var(--muted);font-size:10px}.site-footer>span:first-child{font-family:var(--serif);font-size:16px;letter-spacing:2px;color:var(--ink)}.site-footer p{margin:0}.site-footer>span:last-child{margin-left:auto}.gate{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr;max-width:1800px;margin:auto}.gate-copy{display:flex;flex-direction:column;padding:40px clamp(30px,7vw,112px)}.gate-content{margin:auto 0;padding:65px 0;max-width:370px}.gate-content h1{font:500 clamp(34px,4vw,52px)/1.45 var(--serif);letter-spacing:2px;margin:17px 0}.gate-intro{font-size:14px;line-height:2;color:var(--muted);margin-bottom:34px}.gate-form label{display:block;font-size:12px;margin-bottom:10px}.gate-form input{width:100%;padding:15px 16px;border:1px solid var(--line);border-radius:8px;font-size:14px}.gate-form>.button{width:100%;margin-top:14px;min-height:48px;justify-content:space-between;padding:12px 18px}.form-hint{font-size:11px;color:var(--muted);margin-top:13px}.form-error{font-size:13px;color:var(--danger);line-height:1.7}.gate-copy>footer{font-size:11px;color:var(--muted)}.gate-image{margin:18px 18px 18px 0;border-radius:16px;overflow:hidden;position:relative;min-height:600px}.gate-image img{position:absolute;height:100%;width:100%;object-fit:cover;filter:saturate(.75)}.reading-shell{max-width:796px;padding:30px 32px 70px;margin:0 auto}.reading-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:47px;font-size:12px;color:var(--muted)}.reading-toolbar .button{font-size:12px;min-height:36px;padding:8px 14px}.reading-actions{display:flex;align-items:center;gap:10px}.button.danger{color:var(--danger);border:1px solid var(--line)}.button.danger:hover{border-color:var(--danger);background:var(--accent-soft)}.button.danger.is-armed{background:var(--danger);color:#fff;border-color:var(--danger)}.essay-header{margin-bottom:33px;padding-bottom:27px;border-bottom:1px solid var(--line)}.essay-header h1{font:500 clamp(28px,4vw,43px)/1.5 var(--serif);letter-spacing:.5px;margin:15px 0;overflow-wrap:anywhere}.essay-header>p{font:400 14px/1.9 var(--sans);color:var(--muted);margin:0}.prose{font:400 18px/2.1 var(--serif);letter-spacing:.02em;overflow-wrap:anywhere}.prose p{margin:0 0 1.65em}.prose h1,.prose h2,.prose h3,.prose h4{font-weight:600;line-height:1.65;margin:1.7em 0 .7em}.prose h1{font-size:1.65em}.prose h2{font-size:1.4em}.prose h3{font-size:1.15em}.prose blockquote{border-left:3px solid var(--accent);margin:1.8em 0;padding:12px 22px;background:var(--accent-soft);color:var(--accent);border-radius:0 8px 8px 0}.prose blockquote p{margin:0}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}.prose img{max-width:100%;height:auto;border-radius:8px}.prose pre{background:var(--accent-soft);padding:18px;overflow:auto;border-radius:8px;font-size:13px;line-height:1.8}.prose code{font-size:.85em}.prose table{display:block;max-width:100%;overflow:auto;border-collapse:collapse;font-size:14px}.prose th,.prose td{padding:8px 12px;border:1px solid var(--line)}.essay-end{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:48px;border-top:1px solid var(--line);padding-top:26px;color:var(--muted);font-size:11px}.essay-end a{text-align:right}.essay-end small{display:block;font-size:10px;margin-bottom:10px}.essay-end strong{font:500 19px var(--serif);color:var(--ink);line-height:1.6}.essay-management{margin-top:38px;color:var(--muted);font-size:11px}.essay-management summary{cursor:pointer;padding:10px 0;display:list-item}.text-danger{color:var(--danger);border:1px solid var(--line);background:var(--surface);padding:10px 14px;border-radius:8px;margin-top:10px;font-size:12px}.text-danger.is-armed{background:var(--danger);color:#fff;border-color:var(--danger)}.not-found{min-height:80dvh;display:grid;place-content:center;gap:20px;padding:24px;text-align:center}.not-found a{color:var(--accent)}
@media(prefers-color-scheme:dark){:root{--bg:#171e1a;--surface:#1e2822;--ink:#e2e9e3;--muted:#a1b0a5;--line:#35443a;--accent:#a5cbb0;--accent-hover:#b9ddc3;--accent-soft:#273b2e;--danger:#efa8a4}.primary,.brand-mark{color:#192c20}.primary:hover{color:#192c20}.import-tile{border-color:#52695a}.gate-image img,.library-intro img{filter:saturate(.65) brightness(.75)}.skip-link{color:#192c20}}
@media(min-width:1500px){.library-intro{padding-top:48px;padding-bottom:44px}.library-layout{padding-bottom:75px}}
@media(max-width:900px){.header-inner,.library-shell{padding-left:25px;padding-right:25px}.library-layout{grid-template-columns:157px minmax(0,1fr);gap:27px}.library-intro img{width:195px;height:130px}.collection-head{align-items:flex-start;flex-direction:column;gap:14px}.search-form{max-width:none;width:100%}.essay-link{gap:16px;grid-template-columns:47px minmax(0,1fr) 17px}.site-footer{margin:0 25px}.gate-copy{padding:30px}.gate-content h1{font-size:37px}}
@media(max-width:640px){.site-header{height:73px}.header-inner{padding:0 19px}.brand-mark{width:32px;height:37px;font-size:21px}.brand-name{font-size:20px}.brand-name small{font-size:8px;letter-spacing:1px;margin-top:5px}.wordmark{gap:8px}.site-header nav{gap:15px}.site-header nav>.nav-link:not(.logout-link){display:none}.header-write{font-size:12px;min-height:37px;padding:8px 12px;gap:4px}.logout-link{font-size:11px}.library-shell{padding:0 20px}.library-intro{padding:27px 0 24px;min-height:auto;gap:15px;align-items:center}.library-intro .small-label{font-size:10px;letter-spacing:.5px;margin-top:0}.library-intro h1{font-size:27px;letter-spacing:0;margin:9px 0 12px}.library-intro p:last-child{font-size:11px;max-width:245px;line-height:1.8}.library-intro img{width:78px;height:106px;border-radius:7px}.library-layout{display:flex;flex-direction:column;gap:25px;padding-bottom:42px}.library-sidebar{padding:0;display:flex;flex-wrap:wrap;gap:13px}.sidebar-label,.random-link{display:none}.collection-list{display:flex;gap:5px;overflow-x:auto;max-width:100%;padding:3px 0}.collection-link{padding:9px 12px;gap:10px;white-space:nowrap;border:1px solid var(--line);font-size:12px}.collection-link.is-active{border-color:transparent}.count{font-size:10px}.import-tile{margin:0;width:100%;display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;gap:9px;padding:13px;border-radius:8px}.import-plus{font-size:18px;margin:0}.import-tile strong{font-size:12px;margin:0}.import-tile>span:not(.import-plus){font-size:9px;margin-left:auto}.import-tile small{display:none}.collection-head{gap:14px}.collection-head h2{font-size:16px}.search-form input{font-size:13px;min-height:41px}.essay-link{grid-template-columns:38px minmax(0,1fr) 14px;gap:13px;padding:23px 0}.essay-date{padding-top:5px}.essay-date>span{font-size:25px}.essay-date small{font-size:8px;letter-spacing:0}.essay-meta{font-size:10px;gap:11px}.essay-tag{font-size:10px}.essay-main h2{font-size:21px;margin:6px 0 9px}.essay-main>p{font-size:11px;-webkit-line-clamp:2}.essay-arrow{font-size:17px}.site-footer{margin:0 20px;font-size:9px;gap:10px;padding-bottom:23px}.site-footer>span:first-child{font-size:14px}.gate{display:block}.gate-copy{min-height:100dvh;padding:28px}.gate-content{padding:48px 0;margin:auto 0;max-width:none}.gate-content h1{font-size:40px}.gate-intro{font-size:14px}.gate-image{display:none}.gate-form input{font-size:16px}.reading-shell{padding:23px 23px 46px}.reading-toolbar{margin-bottom:35px}.essay-header h1{font-size:32px;margin:14px 0}.essay-header>p{font-size:13px}.essay-header{padding-bottom:24px;margin-bottom:26px}.prose{font-size:17px;line-height:2.05;letter-spacing:.01em}.prose blockquote{padding:12px 17px}.essay-end{gap:20px;align-items:flex-start}.essay-end strong{font-size:17px}.essay-end>span{white-space:nowrap}.essay-end small{margin-bottom:7px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}