:root{--font-body:"Inter";--font-display:"Newsreader";--font-mono:"IBM Plex Mono";--paper:#ffffff;--page-bg:#f4f6f9;--ink:#18222f;--ink-soft:#4a5666;--muted:#7c8794;--pen-blue:#2456d6;--pen-blue-soft:#e8eefc;--margin-red:#e0563f;--hairline:#e3e8ef;--rule-line:#e9eef5;--panel:#f7f9fb;--shadow:0 1px 2px rgba(24,34,47,0.05),0 8px 28px rgba(24,34,47,0.07);--radius:12px;--site-chrome:4.25rem;--workbench-chrome:5.75rem;--editor-min-height:calc(100dvh - var(--site-chrome) - var(--workbench-chrome))}[data-theme=dark]{--paper:#161b22;--page-bg:#0e1217;--ink:#e6ebf1;--ink-soft:#aeb8c4;--muted:#76828f;--pen-blue:#6f97f5;--pen-blue-soft:#1c2a47;--margin-red:#e2745f;--hairline:#29323d;--rule-line:#1f2630;--panel:#12171e;--shadow:0 1px 2px rgba(0,0,0,0.4),0 10px 30px rgba(0,0,0,0.35)}*{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition:none!important;animation:none!important}}body{margin:0;background:var(--page-bg);color:var(--ink);font-family:var(--font-body),system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}body,html[dir=rtl] body{overflow-x:clip}.container{width:min(1120px,calc(100% - 2.5rem));margin-inline:auto}.container-wide{width:min(1280px,calc(100% - 2.5rem));margin-inline:auto}.container-editor{width:min(1440px,calc(100% - 1.5rem));margin-inline:auto}a{color:var(--pen-blue)}button{font-family:inherit}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}:focus-visible{outline:2px solid var(--pen-blue);outline-offset:2px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;border-bottom:1px solid #1a2740;background:#152238}.site-header .wordmark,.site-header .wordmark-mark,.site-header .wordmark-text{color:#f4f7fb}.site-header .header-nav a{color:#c5d0df}.site-header .header-nav a.is-active,.site-header .header-nav a:hover{color:#ffffff}.site-header .nav-toggle{border-color:#2b3d5c;background:#1a2b45;color:#d7e0ec}.header-inner{justify-content:flex-start;gap:1rem;padding-block:.85rem;padding-inline:0 .75rem;position:relative}.header-actions,.header-inner{display:flex;align-items:center}.header-actions{gap:.75rem;-webkit-margin-start:auto;margin-inline-start:auto}.wordmark{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);flex-shrink:0}.nav-toggle{display:none;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;border:1px solid var(--hairline);border-radius:8px;background:var(--paper);color:var(--ink-soft);cursor:pointer}.nav-toggle:hover{border-color:var(--pen-blue);color:var(--pen-blue)}body.nav-open{overflow:hidden}.wordmark-mark{display:inline-flex;color:var(--ink)}.wordmark-text{font-family:var(--font-display),Georgia,serif;font-size:1.25rem;font-weight:600;letter-spacing:.01em;color:var(--ink)}.header-nav{display:flex;gap:1.4rem}.header-nav a{color:var(--ink-soft);text-decoration:none;font-size:.92rem;font-weight:500}.header-nav a.is-active,.header-nav a:hover{color:var(--pen-blue)}.hero{text-align:center;padding-block:2.6rem 1.8rem}.hero-below{padding-block:2.25rem 2.5rem;margin-bottom:.5rem}.hero-below h1{margin:0 0 1.1rem;position:relative;display:block;width:100%;padding-bottom:.9rem;font-size:clamp(2.15rem,5vw,3.35rem);letter-spacing:-.02em}.hero-below h1:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--pen-blue),#6f97f5 45%,transparent)}.hero-tagline{display:flex;flex-direction:row;flex-wrap:wrap;gap:.5rem .65rem;margin:0 auto;max-width:none}.hero-tag,.hero-tagline{align-items:center;justify-content:center}.hero-tag{display:inline-flex;width:auto;text-align:center;padding:.42rem .9rem;border:1px solid var(--hairline);border-radius:999px;background:var(--paper);color:var(--ink-soft);font-size:.9rem;font-weight:500;letter-spacing:.01em;box-shadow:0 1px 2px rgba(24,34,47,.04);white-space:nowrap}.hero h1{font-family:var(--font-display),Georgia,serif;font-weight:500;font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.15;margin:0 0 .7rem;letter-spacing:-.01em}.content-section h2 em,.hero h1 em{font-style:italic;color:var(--pen-blue)}.hero-sub{margin:0 auto;max-width:34rem;color:var(--ink-soft);font-size:1.05rem}.workbench{margin-block:.75rem 0;padding-top:.25rem;min-height:calc(100dvh - var(--site-chrome));display:flex;flex-direction:column}.toolbar{gap:.5rem 1rem;padding:.6rem .75rem;background:var(--paper);border:1px solid var(--hairline);border-bottom:none;border-radius:var(--radius) var(--radius) 0 0}.toolbar,.toolbar-group{display:flex;flex-wrap:wrap;align-items:center}.toolbar-group{gap:.4rem}.toolbar-settings{-webkit-margin-start:auto;margin-inline-start:auto}.btn{display:inline-flex;align-items:center;gap:.38rem;padding:.42rem .7rem;border:1px solid var(--hairline);border-radius:8px;background:var(--paper);color:var(--ink-soft);font-size:.85rem;font-weight:500;cursor:pointer;transition:border-color .15s,color .15s,background .15s}.btn.is-active,.btn:hover{border-color:var(--pen-blue);color:var(--pen-blue)}.btn.is-active{background:var(--pen-blue-soft)}.btn-primary{background:var(--pen-blue);border-color:var(--pen-blue);color:#fff}.btn-primary:hover{background:#1c47b8;color:#fff}[data-theme=dark] .btn-primary:hover{background:#5a86ee}.btn-icon,.select-wrap select{padding:.42rem .55rem}.select-wrap select{border:1px solid var(--hairline);border-radius:8px;background:var(--paper);color:var(--ink-soft);font-size:.85rem;font-family:inherit;cursor:pointer}.size-control{display:inline-flex;gap:.25rem}.workbench-body{display:grid;grid-template-columns:250px 1fr;flex:1 1;min-height:var(--editor-min-height);border:1px solid var(--hairline);border-radius:0 0 var(--radius) var(--radius);background:var(--paper);box-shadow:var(--shadow);overflow:hidden}.notes-panel{-webkit-border-end:1px solid var(--hairline);border-inline-end:1px solid var(--hairline);background:var(--panel);display:flex;flex-direction:column;min-height:0;height:100%}.notes-search{padding:.7rem;border-bottom:1px solid var(--hairline)}.notes-search input{width:100%;padding:.45rem .65rem;border:1px solid var(--hairline);border-radius:8px;background:var(--paper);color:var(--ink);font-size:.88rem;font-family:inherit}.notes-search input::placeholder{color:var(--muted)}.notes-list{list-style:none;margin:0;padding:.45rem;overflow-y:auto;flex:1 1}.notes-empty{padding:.8rem .6rem;color:var(--muted);font-size:.85rem}.note-item{display:flex;align-items:stretch;border-radius:8px;overflow:hidden}.note-item.is-active{background:var(--pen-blue-soft)}.note-item.is-active .note-title{color:var(--pen-blue)}.note-open{flex:1 1;display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;padding:.55rem .6rem;border:none;background:transparent;text-align:start;cursor:pointer;min-width:0}.note-item:not(.is-active):hover{background:var(--paper)}.note-title{font-size:.88rem;font-weight:500;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.note-meta{font-family:var(--font-mono),monospace;font-size:.7rem;color:var(--muted)}.note-delete{border:none;background:transparent;color:var(--muted);padding:0 .55rem;cursor:pointer;opacity:0;transition:opacity .12s,color .12s}.note-delete:focus-visible,.note-item:hover .note-delete{opacity:1}.note-delete:hover{color:var(--margin-red)}.sheet-wrap{flex-direction:column;min-width:0;height:100%}.sheet,.sheet-wrap{display:flex;min-height:0}.sheet{position:relative;flex:1 1;flex-direction:column;background:var(--paper)}.sheet-input{display:block;width:100%;flex:1 1;min-height:var(--editor-min-height);padding:1.4rem 1.6rem;border:none;resize:vertical;background:transparent;color:var(--ink);caret-color:var(--pen-blue)}.sheet-input:focus{outline:none}.sheet-input::placeholder{color:var(--muted)}.sheet.is-ruled .sheet-input{background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 31px,var(--rule-line) 31px,var(--rule-line) 32px);background-attachment:local;background-position:0 1.45rem}.sheet-sans .sheet-input{font-family:var(--font-body),system-ui,sans-serif}.sheet-serif .sheet-input{font-family:var(--font-display),Georgia,serif}.sheet-mono .sheet-input{font-family:var(--font-mono),ui-monospace,monospace}.sheet-lora .sheet-input{font-family:Lora,Georgia,serif}.sheet-merriweather .sheet-input{font-family:Merriweather,Georgia,serif}.sheet-open-sans .sheet-input{font-family:Open Sans,system-ui,sans-serif}.sheet-lato .sheet-input{font-family:Lato,system-ui,sans-serif}.sheet-jetbrains .sheet-input{font-family:JetBrains Mono,ui-monospace,monospace}.sheet-caveat .sheet-input{font-family:Caveat,Segoe Script,cursive;font-size:1.35em}.statusbar{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;padding:.55rem 1rem;border-top:1px solid var(--hairline);background:var(--panel);font-family:var(--font-mono),monospace;font-size:.74rem;color:var(--muted)}.status-save{-webkit-margin-start:auto;margin-inline-start:auto;color:var(--pen-blue)}html.focus-mode .content-section,html.focus-mode .guide-content,html.focus-mode .hero,html.focus-mode .notes-panel,html.focus-mode .site-footer,html.focus-mode .site-header,html.focus-mode .toolbar{display:none}html.focus-mode .workbench{width:min(860px,calc(100% - 2rem));margin:0 auto;padding-top:2rem}html.focus-mode .workbench-body{grid-template-columns:1fr;border-radius:var(--radius)}html.focus-mode .sheet-input{min-height:calc(100dvh - 5rem)}.exit-focus{position:fixed;bottom:1.2rem;right:1.2rem;z-index:50;box-shadow:var(--shadow)}.content-section{padding-block:2.4rem;border-top:1px solid var(--hairline)}.content-section h2{font-family:var(--font-display),Georgia,serif;font-weight:500;font-size:clamp(1.5rem,3vw,2rem);margin:0 0 1.4rem}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1rem;gap:1rem}.feature-card{background:var(--paper);border:1px solid var(--hairline);border-radius:var(--radius);padding:1.15rem 1.25rem}.feature-card h3{margin:0 0 .4rem;font-size:1rem;font-weight:600}.feature-card p{margin:0;color:var(--ink-soft);font-size:.92rem}.prose{max-width:46rem;color:var(--ink-soft)}.prose p{margin:0 0 1rem}.faq-list{max-width:46rem}.faq-list details{border:1px solid var(--hairline);border-radius:10px;background:var(--paper);margin-bottom:.6rem;padding:0}.faq-list summary{cursor:pointer;padding:.85rem 1.1rem;font-weight:500;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:1.1rem;color:var(--pen-blue);font-family:var(--font-mono),monospace}.faq-list details[open] summary:after{content:"−"}.faq-list details p{margin:0;padding:0 1.1rem .95rem;color:var(--ink-soft);font-size:.95rem}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) min(220px,26%);grid-gap:clamp(1.5rem,3vw,2.75rem);gap:clamp(1.5rem,3vw,2.75rem);align-items:start;padding-block:2.5rem 3.5rem;border-top:1px solid var(--hairline)}.guide-content{min-width:0}.guide-section{scroll-margin-top:5.5rem}.guide-toc{position:-webkit-sticky;position:sticky;top:5.25rem;align-self:start;padding:1rem 1rem 1.1rem;border:1px solid var(--hairline);border-radius:14px;background:linear-gradient(180deg,var(--pen-blue-soft) 0,transparent 42%),var(--paper);box-shadow:0 10px 28px rgba(15,23,42,.04)}[data-theme=dark] .guide-toc{box-shadow:0 10px 28px rgba(0,0,0,.22)}.guide-toc-label{margin:0 0 .85rem;padding-bottom:.65rem;border-bottom:1px solid var(--hairline);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}.guide-toc-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:.15rem;gap:.15rem}.guide-toc-list a{display:grid;grid-template-columns:.55rem 1fr;grid-gap:.55rem;gap:.55rem;align-items:start;padding:.42rem .45rem;border-radius:8px;text-decoration:none;color:var(--ink-soft);font-size:.84rem;line-height:1.35;transition:color .15s ease,background .15s ease}.guide-toc-list a:hover{color:var(--ink);background:rgba(59,111,245,.08)}.guide-toc-marker{width:6px;height:6px;margin-top:.38rem;border-radius:999px;background:var(--hairline);transition:background .15s ease,transform .15s ease}.guide-toc-list a.is-active{color:var(--ink);background:rgba(59,111,245,.1);font-weight:600}.guide-toc-list a.is-active .guide-toc-marker{background:var(--pen-blue);transform:scale(1.15);box-shadow:0 0 0 3px rgba(59,111,245,.18)}.guide-toc-text{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.guide-content{padding-block:0;border-top:none}.guide-section{padding-block:2rem;border-bottom:1px solid var(--hairline)}.guide-section:last-child{border-bottom:none;padding-bottom:0}.guide-section h2{font-family:var(--font-display),Georgia,serif;font-weight:500;font-size:clamp(1.55rem,3.2vw,2.15rem);margin:0 0 1.35rem;padding:0 0 .95rem;line-height:1.2;letter-spacing:-.015em;border-bottom:1px solid var(--hairline);position:relative}.guide-section h2:after{content:"";position:absolute;left:0;bottom:-1px;width:100%;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--pen-blue),#6f97f5 45%,transparent)}.guide-prose p,.guide-subsection p{margin:0 0 1rem;color:var(--ink-soft);line-height:1.7}.guide-prose p:last-child,.guide-subsection p:last-child{margin-bottom:0}.guide-subsection{margin-top:1.25rem}.guide-subsection h3{display:inline-flex;margin:0 0 .8rem;padding:.42rem .95rem .42rem .7rem;-webkit-border-start:3px solid var(--pen-blue);border-inline-start:3px solid var(--pen-blue);background:linear-gradient(90deg,var(--pen-blue-soft),transparent 72%);border-radius:0 9px 9px 0}.guide-subsection h3,.key-feature-card h3,.reason-card h3{align-items:center;gap:.55rem;font-size:1.02rem;font-weight:600;color:var(--ink)}.key-feature-card h3,.reason-card h3{display:flex;margin:0 0 .55rem;padding-bottom:.55rem;border-bottom:1px dashed var(--hairline)}.key-feature-card h3:before,.reason-card h3:before{content:"";width:7px;height:7px;border-radius:2px;background:var(--pen-blue);transform:rotate(45deg);flex-shrink:0;opacity:.85}.step-list{list-style:none;margin:.75rem 0 0;padding:0;display:grid;grid-gap:0;gap:0;border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;background:var(--paper)}.step-item{display:grid;grid-template-columns:3rem 1fr;grid-gap:.85rem;gap:.85rem;align-items:start;padding:1rem 1.1rem;border-bottom:1px solid var(--hairline)}.step-item:last-child{border-bottom:none}.step-marker{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:50%;background:var(--pen-blue-soft);color:var(--pen-blue);font-family:var(--font-mono),monospace;font-size:.82rem;font-weight:600;line-height:1}.step-item p{margin:.15rem 0 0;color:var(--ink-soft);font-size:.95rem;line-height:1.65}.reason-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:.85rem;gap:.85rem;margin-top:1.25rem}.reason-card{background:var(--paper);border:1px solid var(--hairline);border-radius:var(--radius);padding:1rem 1.1rem}.key-feature-card p,.reason-card p{margin:0;color:var(--ink-soft);font-size:.94rem;line-height:1.6}.key-features{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:.85rem;gap:.85rem}.key-feature-card{padding:1.05rem 1.15rem}.key-feature-card,.table-wrap{background:var(--paper);border:1px solid var(--hairline);border-radius:var(--radius)}.table-wrap{overflow-x:auto;margin-top:.5rem}.compare-table{width:100%;border-collapse:collapse;font-size:.94rem}.compare-table td,.compare-table th{padding:.85rem 1rem;text-align:start;border-bottom:1px solid var(--hairline);vertical-align:top}.compare-table tbody th,.compare-table thead th{background:var(--panel);font-weight:600;color:var(--ink)}.compare-table tbody th{width:28%}.compare-table tbody tr:last-child td,.compare-table tbody tr:last-child th{border-bottom:none}.compare-table td,.tips-list{color:var(--ink-soft)}.tips-list{margin:0;-webkit-padding-start:1.2rem;padding-inline-start:1.2rem;line-height:1.75}.tips-list li+li{margin-top:.55rem}.guide-faq h4{display:flex;align-items:center;gap:1rem;margin:0 0 1.25rem;font-family:var(--font-display),Georgia,serif;font-size:clamp(1.25rem,2.5vw,1.55rem);font-weight:500;color:var(--ink);letter-spacing:-.01em}.guide-faq h4:after,.guide-faq h4:before{content:"";flex:1 1;height:1px;background:linear-gradient(90deg,transparent,var(--hairline) 20%,var(--hairline) 80%,transparent)}.guide-faq h4:before{max-width:2.5rem}.guide-faq-item h5{display:flex;align-items:flex-start;gap:.55rem;margin:0 0 .45rem;font-size:.98rem;font-weight:600;color:var(--ink)}.guide-faq-item h5:before{content:"";width:8px;height:8px;margin-top:.42rem;border-radius:50%;background:var(--pen-blue-soft);border:2px solid var(--pen-blue);flex-shrink:0}.guide-faq-list{display:grid;grid-gap:.75rem;gap:.75rem}.guide-faq-item{background:var(--paper);border:1px solid var(--hairline);border-radius:10px;padding:.95rem 1.1rem}.guide-faq-item p{margin:0;color:var(--ink-soft);font-size:.94rem;line-height:1.65}.site-footer{border-top:1px solid #1a2740;background:#152238;color:#9aabbf}.site-footer .wordmark,.site-footer .wordmark-mark,.site-footer .wordmark-text{color:#f4f7fb}.site-footer .footer-tagline{color:#9aabbf}.site-footer .footer-inner a{color:#c5d0df}.site-footer .footer-inner a:hover{color:#ffffff}.site-footer .lang-switcher-select{border-color:#2b3d5c;background:#1a2b45;color:#d7e0ec}.site-footer .lang-switcher-select:focus-visible,.site-footer .lang-switcher-select:hover{border-color:#6f97f5;color:#ffffff}.footer-inner{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:1.25rem 1.5rem;padding-block:1.5rem;font-size:.88rem;color:var(--muted)}.footer-brand{display:flex;flex-direction:column;gap:.45rem;min-width:0}.footer-wordmark{font-size:.95rem}.footer-tagline{margin:0;max-width:22rem;line-height:1.5}.footer-inner nav{display:flex;flex-wrap:wrap;gap:.75rem 1.2rem}.footer-end{display:flex;flex-direction:column;align-items:flex-end;gap:1rem;min-width:0}.lang-switcher{display:flex;align-items:center;min-width:10.5rem}.lang-switcher-select{width:100%;padding:.45rem .65rem;border:1px solid var(--hairline);border-radius:8px;background:var(--paper);color:var(--ink-soft);font-size:.88rem;font-family:inherit;cursor:pointer}.lang-switcher-select:focus-visible,.lang-switcher-select:hover{border-color:var(--pen-blue);color:var(--pen-blue)}[dir=rtl] .footer-end,[dir=rtl] .lang-switcher{align-items:flex-start}[dir=rtl] .header-inner{padding-inline:.75rem 0}[dir=rtl] .guide-subsection h3{padding:.42rem .7rem .42rem .95rem;border-radius:9px 0 0 9px;background:linear-gradient(270deg,var(--pen-blue-soft),transparent 72%)}[dir=rtl] .guide-section h2:after,[dir=rtl] .page-content h1:after{left:auto;right:0}[dir=rtl] .faq-list summary:after{right:auto;left:1.1rem}[dir=rtl] .scroll-top{right:auto;left:1.25rem}[dir=rtl] .btn,[dir=rtl] .guide-faq-item,[dir=rtl] .guide-prose,[dir=rtl] .guide-subsection,[dir=rtl] .hero,[dir=rtl] .key-feature-card,[dir=rtl] .note-meta,[dir=rtl] .note-title,[dir=rtl] .page-content,[dir=rtl] .reason-card,[dir=rtl] .statusbar,[dir=rtl] body{overflow-wrap:anywhere;word-break:break-word}[dir=rtl] .hero-tag{white-space:normal;max-width:100%}[dir=rtl] .toolbar{justify-content:flex-start}[dir=rtl] .header-actions,[dir=rtl] .toolbar-group{min-width:0}[dir=rtl] .container,[dir=rtl] .container-editor,[dir=rtl] .container-wide,[dir=rtl] .guide-layout,[dir=rtl] .sheet-wrap,[dir=rtl] .workbench{max-width:100%}[dir=rtl] .lang-switcher-select,[dir=rtl] .notes-search input,[dir=rtl] .sheet-input{direction:rtl}.footer-inner a{color:var(--ink-soft);text-decoration:none}.footer-inner a:hover{color:var(--pen-blue)}.page-main{padding-block:2rem 3rem}.page-content{max-width:46rem}.page-eyebrow{display:inline-flex;align-items:center;gap:.45rem;margin:0 0 .75rem;padding:.38rem .75rem;border:1px solid var(--hairline);border-radius:999px;background:var(--paper);font-family:var(--font-mono),monospace;font-size:.74rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--pen-blue);box-shadow:0 1px 2px rgba(24,34,47,.04)}.page-content h1{font-family:var(--font-display),Georgia,serif;font-weight:500;font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.15;margin:0 0 1.35rem;padding-bottom:.9rem;letter-spacing:-.015em;border-bottom:1px solid var(--hairline);position:relative}.page-content h1:after{content:"";position:absolute;left:0;bottom:-1px;width:100%;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--pen-blue),#6f97f5 45%,transparent)}.page-content h1 em{font-style:italic;color:var(--pen-blue)}.page-updated{margin:-.5rem 0 1.2rem;font-size:.88rem;color:var(--muted)}.page-content .prose h2{display:flex;align-items:center;gap:.55rem;font-size:1.12rem;font-weight:600;margin:1.75rem 0 .55rem;color:var(--ink)}.page-content .prose h2:before{content:"";width:7px;height:7px;border-radius:2px;background:var(--pen-blue);transform:rotate(45deg);flex-shrink:0;opacity:.85}.page-cards{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1rem;gap:1rem;margin-top:2rem}.about-team{margin:1.75rem 0 0;padding:0}.about-team-image{display:block;width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--hairline);background:var(--panel)}.about-team figcaption{margin-top:.65rem;color:var(--ink-soft);font-size:.9rem;text-align:center}.page-content .prose a{font-weight:600;text-decoration:underline;text-underline-offset:.12em}.page-card{background:var(--paper);border:1px solid var(--hairline);border-radius:var(--radius);padding:1.1rem 1.2rem}.page-card h2{display:flex;align-items:center;gap:.5rem;margin:0 0 .45rem;font-size:1rem;font-weight:600}.contact-block h2:before,.page-card h2:before{content:"";width:7px;height:7px;border-radius:2px;background:var(--pen-blue);transform:rotate(45deg);flex-shrink:0;opacity:.85}.contact-block h2{display:flex;align-items:center;gap:.5rem;margin:0 0 .45rem;font-size:1rem;font-weight:600}.page-card p{margin:0;color:var(--ink-soft);font-size:.92rem}.contact-panel{display:grid;grid-gap:1rem;gap:1rem;margin-top:1.5rem}.contact-block{background:var(--paper);border:1px solid var(--hairline);border-radius:var(--radius);padding:1.1rem 1.2rem}.contact-block p{margin:0;color:var(--ink-soft);font-size:.95rem}.page-cta{margin:2rem 0 0}.contact-btn{text-decoration:none}.sitemap-section{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--hairline)}.sitemap-section h2{margin:0 0 1rem;font-family:var(--font-display),Georgia,serif;font-size:1.25rem;font-weight:500}.sitemap-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:.55rem;gap:.55rem}.sitemap-list a{display:flex;flex-direction:column;gap:.2rem;padding:.75rem .9rem;border:1px solid var(--hairline);border-radius:10px;background:var(--paper);text-decoration:none;color:var(--ink);transition:border-color .15s ease,background .15s ease}.sitemap-list a:hover{border-color:var(--pen-blue);background:var(--pen-blue-soft)}.sitemap-link-title{font-weight:600;line-height:1.35}.sitemap-link-meta{color:var(--ink-soft);font-size:.84rem}.sitemap-list-pages a{flex-direction:row;align-items:center;font-weight:500}.scroll-top{position:fixed;right:1.25rem;bottom:1.25rem;z-index:45;display:inline-flex;align-items:center;justify-content:center;width:2.85rem;height:2.85rem;padding:0;border:1px solid var(--hairline);border-radius:999px;background:var(--paper);color:var(--ink);box-shadow:var(--shadow);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(.75rem) scale(.92);transition:opacity .22s ease,transform .22s ease,visibility .22s ease,border-color .15s ease,color .15s ease,background .15s ease}.scroll-top.is-visible{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.scroll-top:hover{border-color:var(--pen-blue);color:var(--pen-blue);background:var(--pen-blue-soft)}.print-sheet,html.focus-mode .scroll-top{display:none}@media print{body *{display:none!important}body .print-sheet{display:block!important}.scroll-top{display:none!important}.print-sheet p{display:block!important;margin:0 0 .35em;font-family:Georgia,serif;font-size:12pt;color:#000}}@media (max-width:860px){:root{--workbench-chrome:7.25rem}.feature-grid,.key-features,.page-cards,.reason-grid{grid-template-columns:1fr 1fr}.workbench-body{grid-template-columns:1fr}.notes-panel{display:none;-webkit-border-end:none;border-inline-end:none;border-bottom:1px solid var(--hairline);max-height:280px}.notes-panel.is-open{display:flex}.toolbar-settings{-webkit-margin-start:0;margin-inline-start:0}}@media (min-width:861px){.sidebar-toggle{display:none}.notes-panel{display:flex!important}}@media (max-width:720px){.header-inner{padding-inline:0 .5rem}.nav-toggle{display:inline-flex}.header-nav{display:none;position:absolute;top:calc(100% + .35rem);left:0;right:0;flex-direction:column;gap:0;padding:.35rem;background:#152238;border:1px solid #2b3d5c;border-radius:var(--radius);box-shadow:var(--shadow)}.header-nav.is-open{display:flex}.header-nav a{padding:.75rem .85rem;border-radius:8px}.header-nav a.is-active,.header-nav a:hover{background:#1a2b45;color:#ffffff}.footer-inner{flex-direction:column}.footer-end{align-items:flex-start;width:100%}.lang-switcher{align-items:stretch;width:100%;min-width:0}.footer-inner nav{width:100%}}@media (max-width:1040px){.guide-layout{grid-template-columns:1fr}.guide-toc{display:none}}@media (max-width:560px){.feature-grid,.key-features,.page-cards,.reason-grid{grid-template-columns:1fr}.hero-tagline{gap:.45rem}.hero-tag{white-space:normal;font-size:.84rem;padding:.38rem .75rem}.toolbar{gap:.4rem}.btn{max-width:100%}.compare-table td,.compare-table th{padding:.7rem .75rem;font-size:.88rem}.step-item{grid-template-columns:2.5rem 1fr;padding:.9rem .85rem;gap:.7rem}.hide-sm{display:none!important}.sheet-input{padding-inline:1rem}.container{width:min(1120px,calc(100% - 1.25rem))}.container-wide{width:min(1280px,calc(100% - 1.25rem))}.container-editor{width:min(1440px,calc(100% - 1rem))}.scroll-top{right:.85rem;bottom:.85rem;width:2.6rem;height:2.6rem}[dir=rtl] .header-inner{padding-inline:.5rem 0}[dir=rtl] .scroll-top{left:.85rem;right:auto}}