:root{--bg: #faf9f7;--surface: #ffffff;--surface-2: #f2f0ec;--border: #e3e0d9;--text: #232025;--text-dim: #6b6660;--text-faint: #9a948c;--accent: #d9704e;--accent-soft: #f6e7e1;--danger: #b3261e;--shadow: 0 1px 2px rgb(35 32 37 / .05), 0 8px 24px -12px rgb(35 32 37 / .12);--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;--font-read: "Georgia", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;--measure: 34rem;--radius: 10px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #16151a;--surface: #1d1c22;--surface-2: #26242c;--border: #33313b;--text: #e8e6e3;--text-dim: #a5a09b;--text-faint: #6f6a68;--accent: #d9704e;--accent-soft: #392523;--danger: #f2837a;--shadow: 0 1px 2px rgb(0 0 0 / .3), 0 8px 24px -12px rgb(0 0 0 / .5)}}:root[data-theme=dark]{--bg: #16151a;--surface: #1d1c22;--surface-2: #26242c;--border: #33313b;--text: #e8e6e3;--text-dim: #a5a09b;--text-faint: #6f6a68;--accent: #d9704e;--accent-soft: #392523;--danger: #f2837a;--shadow: 0 1px 2px rgb(0 0 0 / .3), 0 8px 24px -12px rgb(0 0 0 / .5)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-ui);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font:inherit;color:inherit}::selection{background:var(--accent-soft)}.shell{min-height:100dvh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:10px 20px;padding-top:max(10px,env(safe-area-inset-top));background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--border)}.brand{font-weight:640;letter-spacing:-.02em;font-size:16px;display:flex;align-items:center;gap:8px;flex-shrink:0}.brand svg{color:var(--accent);flex-shrink:0}.topbar-spacer{flex:1}.content{flex:1;width:100%;max-width:62rem;margin:0 auto;padding:24px 20px 96px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13.5px;font-weight:500;transition:background .14s,border-color .14s,opacity .14s;white-space:nowrap}.btn:hover{background:var(--surface-2)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:color-mix(in srgb,var(--accent) 88%,#000)}.btn-ghost{border-color:transparent;background:transparent}.btn-ghost:hover{background:var(--surface-2)}.btn-danger{color:var(--danger)}.btn-danger:hover{background:color-mix(in srgb,var(--danger) 10%,transparent)}.input{width:100%;padding:9px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface);outline:none;transition:border-color .14s,box-shadow .14s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.searchbar{position:relative;flex:1;max-width:30rem}.searchbar .input{padding-left:34px}.searchbar svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-faint);pointer-events:none}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:22px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px}.stat-value{font-size:22px;font-weight:620;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.stat-label{font-size:12px;color:var(--text-dim)}.tagrail{display:flex;gap:7px;overflow-x:auto;padding-bottom:6px;margin-bottom:18px;scrollbar-width:none}.tagrail::-webkit-scrollbar{display:none}.chip{flex-shrink:0;padding:4px 11px;border-radius:999px;border:1px solid var(--border);background:var(--surface);font-size:12.5px;color:var(--text-dim);transition:all .14s}.chip:hover{border-color:var(--accent);color:var(--text)}.chip[data-active=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:550}.chip-count{font-variant-numeric:tabular-nums;opacity:.6;margin-left:3px}.notelist{display:flex;flex-direction:column;gap:2px}.notecard{display:block;padding:15px 16px;border-radius:var(--radius);border:1px solid transparent;transition:background .14s,border-color .14s}.notecard:hover{background:var(--surface);border-color:var(--border)}.notecard-title{font-size:16px;font-weight:580;letter-spacing:-.011em;margin-bottom:3px;line-height:1.4}.notecard-excerpt{font-size:13.5px;color:var(--text-dim);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notecard-excerpt em{font-style:normal;background:var(--accent-soft);color:var(--accent);border-radius:3px;padding:0 2px}.notecard-meta{display:flex;align-items:center;gap:8px;margin-top:7px;font-size:12px;color:var(--text-faint);flex-wrap:wrap}.dot{opacity:.4}.tag-inline{color:var(--text-dim);background:var(--surface-2);padding:1px 7px;border-radius:999px;font-size:11.5px}.reader{max-width:var(--measure);margin:0 auto}.reader-head{margin-bottom:30px}.reader-title{font-family:var(--font-read);font-size:clamp(26px,5vw,34px);line-height:1.28;letter-spacing:-.02em;font-weight:700;margin:0 0 12px}.reader-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--text-faint)}.prose{font-family:var(--font-read);font-size:17.5px;line-height:1.78;color:var(--text);overflow-wrap:break-word}.prose>*:first-child{margin-top:0}.prose h1,.prose h2,.prose h3,.prose h4{font-family:var(--font-ui);letter-spacing:-.018em;line-height:1.32;margin:2em 0 .6em;font-weight:640}.prose h1{font-size:1.5em}.prose h2{font-size:1.28em}.prose h3{font-size:1.12em}.prose h4{font-size:1em}.prose p{margin:0 0 1.25em}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:2.5px;text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent)}.prose ul,.prose ol{margin:0 0 1.25em;padding-left:1.4em}.prose li{margin-bottom:.4em}.prose li::marker{color:var(--text-faint)}.prose blockquote{margin:1.5em 0;padding:.1em 0 .1em 1.1em;border-left:2.5px solid var(--accent);color:var(--text-dim);font-style:italic}.prose code{font-family:var(--font-mono);font-size:.84em;background:var(--surface-2);border:1px solid var(--border);padding:.1em .38em;border-radius:5px}.prose pre{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;overflow-x:auto;margin:1.5em 0;line-height:1.55}.prose pre code{background:none;border:none;padding:0;font-size:13px}.prose img{max-width:100%;height:auto;border-radius:var(--radius)}.prose hr{border:none;border-top:1px solid var(--border);margin:2.5em 0}.prose table{width:100%;border-collapse:collapse;font-family:var(--font-ui);font-size:14px;margin:1.5em 0;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);padding:7px 11px;text-align:left}.prose th{background:var(--surface-2);font-weight:600}.book{min-height:100dvh;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:var(--bg)}.book-left,.book-right{padding:48px clamp(28px,5vw,72px)}.book-left{justify-self:end;max-width:26rem;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--surface-2) 60%,transparent));align-self:stretch;display:flex;flex-direction:column;justify-content:center;width:100%}.book-mark{color:var(--accent);margin-bottom:22px}.book-title{font-family:var(--font-read);font-size:40px;font-weight:700;letter-spacing:-.03em;line-height:1.1;margin:0 0 8px}.book-tag{font-size:15px;color:var(--text-dim);margin:0 0 30px}.book-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}.book-points li{font-size:13.5px;color:var(--text-dim);line-height:1.6;padding-left:18px;position:relative}.book-points li:before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.55}.book-spine{align-self:stretch;width:1px;background:var(--border);box-shadow:0 0 22px 6px color-mix(in srgb,var(--text) 6%,transparent)}.book-right{justify-self:start;width:100%;max-width:26rem}.book-form{max-width:20rem}.book-h2{font-size:21px;font-weight:640;letter-spacing:-.025em;margin:0 0 5px}.book-sub{font-size:13.5px;color:var(--text-dim);margin:0 0 22px}.book-submit{justify-content:center;height:42px}.auth-form{display:flex;flex-direction:column;gap:10px}.auth-form .input{text-align:center}.code-input{letter-spacing:.4em;font-size:21px;font-variant-numeric:tabular-nums;text-indent:.4em;font-family:var(--font-mono)}.book-or{display:flex;align-items:center;gap:12px;margin:20px 0 16px;color:var(--text-faint);font-size:12px}.book-or:before,.book-or:after{content:"";flex:1;height:1px;background:var(--border)}.book-sso{display:flex;flex-direction:column;gap:9px}.gsi-apple{position:relative;inset:auto;height:42px;pointer-events:auto;cursor:pointer}.gsi-apple:hover{background:var(--surface-2);border-color:color-mix(in srgb,var(--text-faint) 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spin{to{transform:rotate(360deg)}}.section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px}.section-title{font-size:14px;font-weight:620;margin:0 0 4px}.section-desc{font-size:13px;color:var(--text-dim);margin:0 0 14px}.row{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--border)}.row-main{flex:1;min-width:0}.row-title{font-size:13.5px;font-weight:520}.row-sub{font-size:12px;color:var(--text-faint)}.code-block{font-family:var(--font-mono);font-size:12px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:11px 13px;overflow-x:auto;white-space:pre;color:var(--text-dim);line-height:1.6}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:grid;place-items:center;z-index:50;padding:20px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;max-width:25rem;width:100%;box-shadow:var(--shadow)}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}@media(max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}.content{padding:18px 14px 80px}.topbar{padding:9px 14px;padding-top:max(9px,env(safe-area-inset-top))}.prose{font-size:17px}.brand span:not(.brand-mark){display:none}}.srcmark{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;letter-spacing:0;line-height:1;flex-shrink:0;font-family:var(--font-ui)}.srcbadge{display:inline-flex;align-items:center;gap:6px;flex-shrink:0}.srcbadge-label{font-size:12px;font-weight:550;color:var(--text-dim);white-space:nowrap}.reader-meta .srcbadge{gap:9px}.reader-meta .srcbadge-label{font-size:13.5px;font-weight:580;color:var(--text)}@media(max-width:640px){.stats{display:none}.topbar{padding:8px 14px 10px;gap:10px}.searchbar .input{height:44px;font-size:16px;border-radius:11px}.btn{min-height:44px;padding:0 16px}.topbar .btn{min-width:44px;justify-content:center;padding:0 12px}.chip{min-height:34px;padding:0 14px;display:inline-flex;align-items:center}.notelist{gap:8px}.notecard{padding:14px;border-radius:12px;background:var(--surface);border-color:var(--border)}.notecard-title{font-size:16.5px}.content{padding-bottom:120px}.fab{position:fixed;right:18px;bottom:calc(22px + env(safe-area-inset-bottom));z-index:30;height:52px;padding:0 22px;border-radius:26px;background:var(--accent);color:#fff;font-size:15px;font-weight:560;border:none;box-shadow:0 6px 20px -6px #23202566;display:inline-flex;align-items:center;gap:7px}:root:not([data-theme=light]) .reader{--bg: #16151a}.reader .prose{font-size:18px;line-height:1.8}.reader-title{font-size:25px}}@media(min-width:641px){.fab{display:none}}@media(max-width:640px){.hide-on-phone{display:none}}.dt{--head-h: 52px;--tl-inset: 0px;display:flex;height:100dvh;overflow:hidden;background:var(--bg)}.dt-side{flex-shrink:0;background:var(--surface-2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.dt-brand{height:var(--head-h);font-size:16px;flex-shrink:0;display:flex;align-items:center;gap:9px;padding:0 16px;border-bottom:1px solid var(--border);font-weight:640;letter-spacing:-.022em}.dt-side-body{flex:1;min-height:0;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:16px;scrollbar-width:thin}.dt-brand svg{color:var(--accent)}.dt-search{display:flex;align-items:center;gap:8px;width:100%;padding:7px 10px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text-dim);font-size:13px;text-align:left}.dt-search:hover{border-color:var(--accent);color:var(--text)}.dt-search kbd{margin-left:auto}kbd{font-family:var(--font-ui);font-size:11px;padding:1px 5px;border-radius:4px;border:1px solid var(--border);background:var(--bg);color:var(--text-faint)}.dt-nav,.dt-group{display:flex;flex-direction:column;gap:1px}.dt-group-scroll{overflow-y:auto;min-height:0;scrollbar-width:thin}.dt-group-title{font-size:11px;font-weight:620;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);padding:8px 8px 4px}.dt-row{display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border-radius:7px;font-size:13px;color:var(--text-dim);text-align:left}.dt-row:hover{background:var(--surface);color:var(--text)}.dt-row[data-active=true]{background:var(--accent-soft);color:var(--accent);font-weight:560}.dt-row-static{cursor:default}.dt-row-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dt-count{font-variant-numeric:tabular-nums;font-size:12px;opacity:.6;margin-left:auto}.dt-side-foot{flex-shrink:0;padding:6px 10px;border-top:1px solid var(--border)}.dt-foot-btn{width:100%;padding:6px 8px;border-radius:7px;font-size:12.5px;color:var(--text-faint);text-align:left}.dt-foot-btn:hover{background:var(--surface);color:var(--text)}.dt-list{flex-shrink:0;border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0}.dt-list-head{height:var(--head-h);flex-shrink:0;display:flex;align-items:center;gap:8px;padding:0 16px;border-bottom:1px solid var(--border)}.dt-list-title{font-size:13.5px;font-weight:620;letter-spacing:-.01em}.dt-list-count{font-size:12px;color:var(--text-faint);margin-left:auto;font-variant-numeric:tabular-nums}.dt-rows{flex:1;overflow-y:auto;padding:6px;min-height:0}.dt-item{display:block;width:100%;text-align:left;padding:11px 12px;border-radius:9px;border:1px solid transparent}.dt-item:hover{background:var(--surface)}.dt-item[data-active=true]{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}.dt-item-title{font-size:13.5px;font-weight:580;line-height:1.4;margin-bottom:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.dt-item-excerpt{font-size:12.5px;color:var(--text-dim);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.dt-item[data-active=true] .dt-item-excerpt{color:color-mix(in srgb,var(--accent) 78%,var(--text))}.dt-item-meta{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:11.5px;color:var(--text-faint)}.dt-read{flex:1;display:flex;flex-direction:column;min-width:0}.dt-read-bar{height:var(--head-h);flex-shrink:0;display:flex;align-items:center;gap:6px;padding:0 14px;border-bottom:1px solid var(--border)}.dt-read-body{flex:1;overflow-y:auto;padding:34px 40px 90px}.palette{width:100%;max-width:34rem;background:var(--surface);border:1px solid var(--border);border-radius:13px;box-shadow:var(--shadow);overflow:hidden}.palette-input{display:flex;align-items:center;gap:10px;padding:13px 15px;border-bottom:1px solid var(--border);color:var(--text-faint)}.palette-input input{flex:1;border:none;outline:none;background:none;font-size:15.5px;color:var(--text)}.palette-list{max-height:22rem;overflow-y:auto;padding:6px}.palette-hit{display:flex;align-items:center;gap:9px;width:100%;padding:8px 10px;border-radius:8px;text-align:left;font-size:13.5px}.palette-hit[data-active=true]{background:var(--accent-soft);color:var(--accent)}.palette-hit-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.palette-hit-meta{font-size:12px;color:var(--text-faint);flex-shrink:0}.palette-foot{display:flex;gap:14px;padding:8px 14px;border-top:1px solid var(--border);font-size:11.5px;color:var(--text-faint)}.palette-foot kbd{margin-right:3px}.resizer{width:9px;margin:0 -4px;flex-shrink:0;cursor:col-resize;position:relative;z-index:5;background:transparent;transition:background .12s}.resizer:after{content:"";position:absolute;top:0;right:4px;bottom:0;left:4px;background:var(--border)}.resizer:hover:after,.resizer[data-dragging=true]:after{background:var(--accent);top:0;right:3px;bottom:0;left:3px}.resizer[data-dragging=true]~*{pointer-events:none}.lay{display:inline-flex;gap:2px;padding:2px;border-radius:8px;background:var(--surface-2);border:1px solid var(--border)}.lay-btn{display:grid;place-items:center;width:28px;height:24px;border-radius:6px;color:var(--text-faint);transition:background .12s,color .12s}.lay-btn:hover{color:var(--text-dim);background:var(--surface)}.lay-btn[data-on=true]{background:var(--surface);color:var(--accent)}.dt-read-brand{display:grid;place-items:center;color:var(--accent);margin-right:4px}.dt-read-main{flex:1;display:flex;min-height:0}.dt-read-main>.dt-read-body{flex:1}.toc{height:100%;overflow-y:auto;padding:22px 14px 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