.sf-support-launcher{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:max(24px,env(safe-area-inset-bottom));z-index:40;display:flex;align-items:center;gap:9px;min-height:54px;padding:12px 18px;border:2px solid var(--nb-ink);border-radius:16px;background:var(--nb-yellow);color:var(--nb-ink);box-shadow:4px 4px 0 var(--nb-ink);font-size:14px;font-weight:700;transition:transform .15s,box-shadow .15s}.sf-support-launcher:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--nb-ink)}.sf-support-launcher:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--nb-ink)}.sf-support-panel[data-slot=sheet-content]{width:min(440px,100vw);max-width:none;height:100dvh;gap:0;border-left:2px solid var(--border);background:var(--background);color:var(--foreground);padding-bottom:env(safe-area-inset-bottom)}.sf-support-header[data-slot=sheet-header]{flex-direction:row;align-items:center;justify-content:space-between;padding:22px 20px;border-bottom:2px solid var(--border);background:var(--card);gap:12px}.sf-support-heading{display:flex;align-items:center;gap:12px}.sf-support-heading [data-slot=sheet-title]{font-size:19px;font-weight:750}.sf-support-heading [data-slot=sheet-description]{color:var(--muted-foreground);font-size:12px;margin-top:3px}.sf-support-avatar{display:grid;place-items:center;width:42px;height:42px;border:2px solid var(--nb-ink);border-radius:12px;background:var(--nb-yellow);color:var(--nb-ink)}.sf-support-header-actions{display:flex;gap:4px}.sf-support-icon{display:grid;place-items:center;width:36px;height:36px;border:1px solid transparent;border-radius:8px}.sf-support-icon:hover:not(:disabled){background:var(--muted);border-color:var(--border)}.sf-support-icon:disabled{opacity:.35}.sf-support-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:24px 20px}.sf-support-welcome{padding:28px 4px}.sf-support-welcome-icon{display:inline-block;margin-bottom:18px}.sf-support-welcome h3{font-size:24px;font-weight:750;line-height:1.3}.sf-support-welcome p{font-size:14px;line-height:1.6;color:var(--muted-foreground);margin:12px 0 24px}.sf-support-suggestions{display:grid;gap:10px}.sf-support-suggestions button{text-align:left;display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--border);border-radius:10px;padding:13px;background:var(--card);font-size:13px}.sf-support-suggestions button:hover{background:var(--accent);transform:translate(2px)}.sf-support-messages{display:flex;flex-direction:column;gap:18px}.sf-support-message{max-width:95%;padding:14px 16px;font-size:14px;line-height:1.7;border:1px solid var(--border);border-radius:14px;overflow-wrap:anywhere}.sf-support-message p{white-space:pre-wrap}.sf-support-user{align-self:flex-end;background:var(--accent);border-bottom-right-radius:4px}.sf-support-assistant{align-self:flex-start;background:var(--card);border-bottom-left-radius:4px}.sf-support-contact{margin-top:12px;padding-top:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:5px;font-size:12px}.sf-support-contact a{display:flex;gap:7px;align-items:center;text-decoration:underline;text-underline-offset:3px}.sf-support-wait{display:flex;gap:8px;align-items:center;margin-top:20px;font-size:13px;color:var(--muted-foreground)}.sf-support-dot{width:8px;height:8px;border-radius:50%;background:var(--foreground);animation:sf-support-pulse 1s infinite alternate}.sf-support-error{font-size:13px;padding:14px;margin-top:18px;background:var(--secondary);border:1px solid var(--border);border-radius:10px}.sf-support-error button{display:flex;align-items:center;gap:5px;text-decoration:underline;margin-top:10px;font-weight:700}.sf-support-compose{padding:16px 20px 18px;border-top:1px solid var(--border);background:var(--card)}.sf-support-compose form{display:flex;gap:10px;padding:10px;border:2px solid var(--border);border-radius:12px;background:var(--background)}.sf-support-compose form:focus-within{box-shadow:3px 3px 0 var(--nb-yellow)}.sf-support-compose textarea{width:100%;resize:none;border:none;outline:none;background:transparent;line-height:1.5;font-size:16px;padding:2px}.sf-support-send{align-self:flex-end;display:grid;place-items:center;flex-shrink:0;width:38px;height:38px;border:2px solid var(--nb-ink);border-radius:10px;background:var(--nb-yellow);color:var(--nb-ink)}.sf-support-send:hover:not(:disabled){transform:translateY(-2px)}.sf-support-send:disabled{opacity:.4}.sf-support-privacy{margin:10px 0;color:var(--muted-foreground);font-size:11px;line-height:1.5}.sf-support-help{display:flex;flex-wrap:wrap;gap:3px 8px;color:var(--muted-foreground);font-size:11px}.sf-support-help a:hover{color:var(--foreground);text-decoration:underline}.sf-support-panel :is(button,a):focus-visible,.sf-support-launcher:focus-visible{outline:2px solid var(--foreground);outline-offset:3px}@keyframes sf-support-pulse{to{opacity:.25}}@media(prefers-reduced-motion:reduce){.sf-support-dot{animation:none}.sf-support-launcher{transition:none}}@media(max-width:480px){.sf-support-launcher{right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));min-height:50px;padding:10px 13px}.sf-support-header[data-slot=sheet-header]{padding:16px}.sf-support-scroll{padding:20px 16px}.sf-support-compose{padding:12px 16px}}.sf-support-panel .sf-support-compose textarea:focus-visible{outline:none;box-shadow:none}.sf-shell{--background: #fafbfe;--foreground: #202331;--muted: #f0f2f7;--muted-foreground: #657087;--border: #e1e5ee;--sf-accent: #6260df;--sf-line: var(--border);--sf-soft: var(--muted);font-family:inherit;background:var(--background);color:var(--foreground)}.dark .sf-shell{--background: #10121a;--foreground: #eef0f8;--muted: #1b1e2b;--muted-foreground: #a2abc0;--border: #2b3040}.sf-shell:lang(zh) .sf-heading h1{letter-spacing:0}.sf-example-link[hidden]{display:none}.sf-logo{display:flex;align-items:center;gap:9px;font-weight:750;font-size:21px;letter-spacing:-.8px}.sf-related a:hover{color:var(--sf-accent)}.sf-page{max-width:1172px;margin:auto;padding:0 28px}.sf-heading{text-align:center;padding:42px 0 28px;position:relative}.sf-eyebrow,.sf-kicker{font:600 10px/1.4 ui-monospace,monospace;letter-spacing:1.8px;color:var(--muted-foreground)}.sf-eyebrow{display:flex;align-items:center;justify-content:center;gap:8px}.sf-eyebrow>span,.sf-status-dot{width:6px;height:6px;display:inline-block;border-radius:50%;background:#70a68b}.sf-heading h1{font-size:clamp(30px,3.5vw,46px);letter-spacing:-1.6px;font-weight:650;line-height:1.2;margin:13px 0}.sf-title-dot{color:var(--sf-accent)}.sf-heading>p{font-size:14px;color:var(--muted-foreground);max-width:580px;margin:0 auto;line-height:1.75}.sf-assurances{display:flex;justify-content:center;gap:24px;margin-top:19px;font-size:13px;color:var(--muted-foreground)}.sf-assurances>span{display:flex;align-items:center;gap:5px}.sf-assurances svg{color:#78a18a}.sf-breadcrumb{display:flex;gap:7px;align-items:center;position:absolute;left:0;top:15px;font-size:13px;color:var(--muted-foreground)}.sf-workspace{border:1px solid var(--sf-line);border-radius:18px;overflow:hidden;box-shadow:0 8px 32px #00000008}.sf-workspace-bar{display:flex;justify-content:space-between;align-items:center;padding:13px 19px;border-bottom:1px solid var(--sf-line);background:color-mix(in srgb,var(--sf-soft) 50%,transparent);font-size:13px}.sf-workspace-bar>div{display:flex;align-items:center;gap:10px}.sf-workspace-bar strong{font-weight:550}.sf-small{font-size:13px;color:var(--muted-foreground);line-height:1.7}.sf-workspace-bar .sf-small{border:1px solid var(--sf-line);border-radius:4px;padding:2px 6px;font-family:monospace;font-size:13px}.sf-workspace-bar button{font-size:13px}.sf-steps{display:flex;border-bottom:1px solid var(--sf-line);padding:0 24px;gap:26px}.sf-steps button{display:flex;gap:9px;align-items:center;padding:16px 0;font-size:13px;color:var(--muted-foreground);border-bottom:2px solid transparent}.sf-steps button>span{border-radius:50%;height:19px;width:19px;display:grid;place-items:center;border:1px solid var(--sf-line);font-size:13px}.sf-steps button.active{border-color:var(--sf-accent);color:var(--foreground)}.sf-steps button.active>span{background:var(--sf-accent);color:#fff;border-color:var(--sf-accent)}.sf-steps button>svg{margin-left:26px;color:var(--muted-foreground)}.sf-add{padding:22px}.sf-mode{display:flex;gap:3px;justify-content:center;margin-bottom:21px}.sf-mode button{font-size:13px}.sf-beta{font:12px ui-monospace,monospace;letter-spacing:.8px;border-radius:4px;background:color-mix(in srgb,var(--sf-accent) 13%,transparent);color:var(--sf-accent);padding:4px 6px}.sf-dropzone{min-height:340px;border:1px dashed color-mix(in srgb,var(--muted-foreground) 35%,transparent);border-radius:14px;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:26px 15px;background:color-mix(in srgb,var(--sf-accent) 3%,var(--background))}.sf-upload-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:18px;color:var(--sf-accent);background:color-mix(in srgb,var(--sf-accent) 10%,var(--background));margin-bottom:22px}.sf-file-illustration{position:relative;width:92px;height:70px;margin-bottom:21px}.sf-file-illustration>span,.sf-file-illustration>div{width:54px;height:64px;position:absolute;left:18px;top:2px;border:1px solid var(--sf-line);background:var(--background);border-radius:8px}.sf-file-illustration>span:first-child{transform:rotate(-17deg) translate(-10px)}.sf-file-illustration>span:nth-child(2){transform:rotate(15deg) translate(12px)}.sf-file-illustration>div{display:grid;place-items:center;color:var(--sf-accent);box-shadow:0 4px 15px #0001}.sf-file-illustration i{position:absolute;bottom:-2px;right:10px;background:var(--sf-accent);border:3px solid var(--background);color:#fff;border-radius:50%;width:25px;height:25px;display:grid;place-items:center}.sf-dropzone h2{font-size:21px;letter-spacing:-.4px;font-weight:550}.sf-dropzone p{font-size:14px;color:var(--muted-foreground);margin:8px 0 20px}.sf-primary{background:var(--primary);color:var(--primary-foreground);border:2px solid var(--border);box-shadow:0 2px 3px #0001;font-size:14px;min-height:42px;padding-inline:22px;border-radius:9px}.sf-primary:hover{filter:brightness(1.06)}.sf-dropzone>small{color:var(--muted-foreground);font-size:13px;margin-top:12px}.sf-or{display:flex;gap:12px;align-items:center;font:12px monospace;color:var(--muted-foreground);margin:20px 0 10px}.sf-or>span{width:45px;height:1px;background:var(--sf-line)}.sf-example-link{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:500}.sf-workspace-footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--sf-line);padding:11px 20px;color:var(--muted-foreground);font:12px ui-monospace,monospace}.sf-workspace-footer>span:first-child{display:flex;align-items:center;gap:6px}.sf-how{padding:64px 0 52px;display:grid;grid-template-columns:1fr 1.1fr;gap:100px;border-bottom:1px solid var(--sf-line)}.sf-how h2,.sf-example h2{font-size:28px;line-height:1.3;letter-spacing:-1px;font-weight:550;max-width:330px;margin:12px 0}.sf-how p,.sf-example p{font-size:15px;line-height:1.75;color:var(--muted-foreground)}.sf-how ol{display:grid;gap:21px}.sf-how li{display:flex;gap:17px}.sf-how li>span{font:12px ui-monospace,monospace;color:var(--sf-accent);padding-top:4px}.sf-how h3{font-size:16px;margin-bottom:4px;font-weight:550}.sf-example{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:45px 0;border-bottom:1px solid var(--sf-line)}.sf-example h2{font-size:23px}.sf-example>div:nth-child(2){display:flex;flex-direction:column;justify-content:center;align-items:center;gap:15px}.sf-example-flow{border:1px solid var(--sf-line);border-radius:14px;background:var(--sf-soft);padding:20px}.sf-example-flow>div{width:100%;display:grid;gap:5px;padding:13px 16px;border:1px solid var(--sf-line);border-radius:10px;background:var(--background)}.sf-example-flow>div>span{color:var(--sf-accent);font:12px ui-monospace,monospace}.sf-example-flow strong{font-size:15px;overflow-wrap:anywhere}.sf-example-flow small{color:var(--muted-foreground);font-size:13px}.sf-example-flow>span{color:var(--sf-accent);font-size:20px;line-height:1}.sf-faq{max-width:740px;margin:48px auto}.sf-faq h2{font-size:24px;letter-spacing:-.7px;text-align:center;margin-bottom:25px}.sf-faq details{border-bottom:1px solid var(--sf-line);padding:17px 0;font-size:15px}.sf-faq p{color:var(--muted-foreground);line-height:1.75;padding:12px 0}.sf-guide-engines{font-size:14px}.sf-guide-engines a{color:var(--sf-accent);text-decoration:underline;text-underline-offset:3px}.sf-related{display:flex;justify-content:center;gap:24px;align-items:center;padding:20px 0 50px;font-size:13px}.sf-related>span{font:12px monospace;color:var(--muted-foreground)}.sf-related a{display:flex;align-items:center;gap:8px}.sf-error,.sf-notice,.sf-job{margin:15px 20px;padding:12px;border:1px solid var(--sf-line);border-radius:7px;font-size:13px;line-height:1.7}.sf-error{display:flex;justify-content:space-between;border-color:#d8777755;color:#ce7373}.sf-notice{color:var(--muted-foreground);background:var(--sf-soft)}.sf-job{display:flex;align-items:center;gap:14px}.sf-job>div{flex:1}.sf-job small{display:block;color:var(--muted-foreground)}.sf-spinner{height:15px;width:15px;border:2px solid var(--sf-line);border-top-color:var(--sf-accent);border-radius:50%;animation:sf-spin 1s linear infinite}@keyframes sf-spin{to{transform:rotate(360deg)}}.sf-editor{display:grid;grid-template-columns:minmax(0,1fr) 290px}.sf-editor-main{min-width:0;padding:20px;border-right:1px solid var(--sf-line)}.sf-preview-toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;margin-bottom:12px}.sf-preview-toolbar>div{display:flex;margin-left:auto;gap:8px;align-items:center}.sf-bg-swatch{height:14px;width:14px;border:1px solid var(--sf-line);border-radius:3px}.sf-bg-swatch.selected{outline:1px solid var(--sf-accent);outline-offset:2px}.checker{background-color:#c5c6c8;background-image:linear-gradient(45deg,#b4b5b7 25%,transparent 25%),linear-gradient(-45deg,#b4b5b7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#b4b5b7 75%),linear-gradient(-45deg,transparent 75%,#b4b5b7 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.white{background:#fff}.black{background:#101114}.sf-preview{height:300px;overflow:auto;border:1px solid var(--sf-line);border-radius:8px;display:flex;align-items:center;justify-content:center;position:relative}.sf-preview-image{position:relative;max-width:90%;max-height:90%}.sf-preview-image img{object-fit:contain;max-height:260px;image-rendering:pixelated}.sf-preview.pixel-size{display:block}.pixel-size .sf-preview-image{max-width:none;max-height:none;width:max-content;margin:0}.pixel-size img{max-width:none;max-height:none}.sf-overlay{position:absolute;inset:0;opacity:.5}.sf-preview-label{position:absolute;bottom:10px;left:10px;font:12px monospace;padding:4px 7px;border-radius:3px;background:#14181eb8;color:#fff}.sf-text-button{font:12px monospace;margin-left:6px}.sf-playback{display:flex;align-items:center;gap:13px;margin:9px 0;font:12px monospace;color:var(--muted-foreground)}.sf-progress{height:3px;flex:1;background:var(--sf-line);border-radius:3px}.sf-progress>span{display:block;height:3px;background:var(--sf-accent)}.sf-grid-heading{display:flex;align-items:center;gap:10px;margin:20px 0 12px;font-size:13px}.sf-grid-heading>span{color:var(--muted-foreground);font-size:13px}.sf-frame-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:9px}.sf-frame{min-width:0;border:1px solid var(--sf-line);border-radius:6px;overflow:hidden}.sf-frame.selected{border-color:color-mix(in srgb,var(--sf-accent) 65%,transparent)}.sf-frame>button{position:relative;width:100%;height:140px;background:var(--sf-soft);display:flex;justify-content:center;align-items:center}.sf-frame img{max-width:90%;max-height:120px;object-fit:contain;image-rendering:pixelated}.sf-frame-number{position:absolute;top:4px;left:5px;font:12px monospace;color:var(--muted-foreground)}.sf-frame-check{position:absolute;bottom:4px;right:4px;background:var(--sf-accent);border-radius:3px;color:#fff}.sf-frame>div{display:flex;gap:3px;align-items:center;padding:5px;font-size:13px}.sf-frame>div>span{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sf-settings{padding:24px 20px;display:flex;flex-direction:column;gap:20px}.sf-export-format{display:flex;flex-direction:column;gap:10px}.sf-export-format-options{display:grid;grid-template-columns:1fr 1fr;padding:4px;gap:4px;border:1px solid var(--sf-line);border-radius:12px;background:var(--sf-soft)}.sf-export-download-formats{grid-template-columns:repeat(3,minmax(0,1fr))}.sf-export-format-options button{min-height:44px;border-radius:8px;font-weight:600;cursor:pointer}.sf-export-format-options button[aria-pressed=true]{background:var(--sf-accent);color:#fff;box-shadow:0 1px 3px #0002}.sf-export-format-options button:focus-visible{outline:2px solid var(--sf-accent);outline-offset:2px}.sf-export-format-options button:disabled{opacity:.5;cursor:default}.sf-export-format p{color:var(--muted-foreground);font-size:14px;line-height:1.6;margin:0}.sf-settings-title{display:flex;align-items:center;gap:8px;font-size:13px}.sf-settings-title h2{font-weight:550}.sf-settings label,.sf-ai-form label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:500}.sf-settings select,.sf-ai-form textarea{border:1px solid var(--sf-line);border-radius:6px;padding:9px;background:var(--background);color:var(--foreground);font-size:13px;width:100%}.sf-inline{display:flex;align-items:center;gap:7px}.sf-inline input{min-width:0;font-size:13px}.sf-inline>span{color:var(--muted-foreground);font-size:13px}.sf-settings small{font-size:13px;line-height:1.7;color:var(--muted-foreground)}.sf-info{display:flex;gap:6px;align-items:center;border:1px solid var(--sf-line);padding:9px;border-radius:6px;font-size:13px;color:var(--muted-foreground)}.sf-info svg{color:#70a68b}.sf-settings details{font-size:13px}.sf-details-content{display:flex;flex-direction:column;gap:15px;padding-top:14px}.sf-settings .sf-primary{margin-top:2px}.sf-save-note{display:flex;gap:7px;font-size:13px;color:var(--muted-foreground);line-height:1.7;margin-top:auto;padding-top:15px}.sf-save-note svg{flex-shrink:0;margin-top:2px}.sf-export-summary{background:var(--sf-soft);border:1px solid var(--sf-line);border-radius:7px;padding:14px;display:grid;gap:9px;font-size:13px}.sf-export-summary>div{display:flex;justify-content:space-between}.sf-export-summary span{color:var(--muted-foreground)}.sf-download{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--sf-accent)}.sf-download small{margin-left:auto}.sf-ai-enhancement{border-top:1px solid var(--sf-line);padding-top:20px;display:grid;gap:10px}.sf-ai-enhancement .sf-kicker{display:flex;gap:6px;align-items:center;letter-spacing:1px}.sf-ai-enhancement h3{font-size:13px;font-weight:550}.sf-ai-enhancement p{font-size:13px;line-height:1.7;color:var(--muted-foreground)}.sf-ai-entry{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:25px}.sf-ai-entry h2{font-size:28px;letter-spacing:-1px;line-height:1.3;margin:15px 0}.sf-ai-entry p{font-size:13px;line-height:1.8;color:var(--muted-foreground);margin-bottom:20px}.sf-ai-form{display:grid;gap:14px}.sf-ai-form 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8px;font-size:1.08rem;font-weight:750}.sf-home-guide p{max-width:72ch;margin:0;color:var(--muted-foreground);line-height:1.7}.sf-home-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}.sf-home-guide-grid a{position:relative;min-height:190px;padding:20px 20px 42px;border:2px solid var(--border);border-radius:8px;background:var(--card);box-shadow:3px 3px 0 var(--nb-ink);color:var(--foreground);text-decoration:none;transition:background-color .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease}.sf-home-guide-grid a:hover,.sf-home-guide-grid a:focus-visible{transform:translate(-2px,-2px);border-color:var(--nb-ink);background:var(--nb-yellow);color:var(--nb-ink);box-shadow:5px 5px 0 var(--nb-ink);outline:none}.sf-home-guide-grid a:is(:hover,:focus-visible) p{color:var(--nb-ink)}html .sf-home-guide-grid a:focus-visible{box-shadow:5px 5px 0 var(--nb-ink),inset 0 0 0 3px var(--nb-ink);outline:none}.sf-home-guide-grid span{position:absolute;right:20px;bottom:12px;font-size:1.5rem;font-weight:800}.sf-home-guide-faqs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 36px;margin-top:24px}.sf-home-guide .sf-home-guide-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;font-weight:700}@media(max-width:700px){.sf-home-guide-grid,.sf-home-guide-faqs{grid-template-columns:1fr}.sf-home-guide-grid a{min-height:0}}.sf-engine-guide{width:min(100% - 32px,820px);margin:56px auto 96px;color:var(--foreground)}.sf-engine-guide>h1{margin:22px 0 16px;font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.15}.sf-engine-guide h2{margin:0 0 20px;font-size:1.7rem;font-weight:800}.sf-engine-guide h3{margin:0 0 6px;font-size:1.1rem;font-weight:750}.sf-engine-guide p{margin:0 0 18px;line-height:1.75;color:var(--muted-foreground)}.sf-engine-guide .sf-engine-guide-intro{font-size:1.15rem}.sf-engine-guide section{margin-top:52px}.sf-engine-guide ol{display:grid;gap:14px;margin:0 0 20px;padding:0;list-style-position:inside}.sf-engine-guide li{padding:18px;border:2px solid var(--border);border-radius:8px;background:var(--card)}.sf-engine-guide li h3{display:inline}.sf-engine-guide li p{margin:8px 0 0}.sf-engine-guide-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.sf-engine-guide-actions a{padding:10px 16px;border:2px solid var(--nb-ink);border-radius:6px;background:var(--nb-yellow);color:var(--nb-ink);font-weight:750;text-decoration:none}.sf-engine-guide a:focus-visible{outline:2px solid var(--ring);outline-offset:3px}.sf-geo-steps{display:grid;gap:20px;padding-left:24px;margin:24px 0 0}.sf-geo-steps li::marker{font-weight:800;color:var(--foreground)}.sf-geo-sample{display:block;max-width:100%;height:auto;margin:20px 0;border:2px solid var(--border);border-radius:8px;background:var(--card)}.sf-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:24px 0}.sf-case-grid figure{margin:0;overflow:hidden;border:2px solid var(--nb-ink);border-radius:8px;background:var(--card);box-shadow:3px 3px 0 var(--nb-ink)}.sf-case-grid img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;background:#f0ede4}.sf-case-grid figcaption{padding:14px;border-top:2px solid var(--nb-ink);font-weight:700;font-size:.9rem}.sf-home-guide .sf-case-settings{font-weight:700;color:var(--foreground)}.sf-home-guide .sf-engine-guide-actions a:hover{transform:translateY(-2px)}.sf-home-guide .sf-engine-guide-actions a:focus-visible{outline:2px solid var(--foreground);outline-offset:4px}@media(max-width:640px){.sf-case-grid{grid-template-columns:1fr}}.sf-showcase-play{margin-top:28px;--sf-line: var(--border);--sf-accent: var(--nb-ink)}.sf-showcase-stage{position:relative;height:clamp(300px,36vw,440px);overflow:hidden;border:2px solid var(--nb-ink);border-radius:16px;background:#bde7f3}.sf-showcase-stage>img{position:absolute;pointer-events:none}.sf-showcase-backdrop{width:100%;height:100%;object-fit:cover}.sf-showcase-stage .sf-showcase-character{width:200px;height:200px;object-fit:contain;left:50%;bottom:18%;transform:translate(-50%) scaleX(-1)}.sf-showcase-start{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:12px 22px;border:2px solid var(--nb-ink);border-radius:8px;background:var(--nb-yellow);color:var(--nb-ink);box-shadow:3px 3px 0 var(--nb-ink);font-weight:800;cursor:pointer}.sf-showcase-start:hover{background:#ffe477}.sf-showcase-start:disabled{cursor:wait}.sf-showcase-start:focus-visible,.sf-showcase-touch button:focus-visible{outline:3px solid var(--foreground);outline-offset:3px}.sf-showcase-touch{display:flex;justify-content:center;gap:10px;margin:16px 0}.sf-showcase-touch button{min-width:46px;min-height:46px;border:2px solid var(--nb-ink);border-radius:8px;background:var(--nb-yellow);color:var(--nb-ink);font-size:22px;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none}.sf-showcase-touch button:hover,.sf-showcase-touch button:active{background:#ffe477}.sf-showcase-play>p{margin-top:16px;font-size:.9rem}.sf-home-guide .sf-showcase-play .sf-playground{margin-top:14px}.sf-showcase-play .sf-playground-controls{flex-wrap:wrap;gap:12px}.sf-showcase-play .sf-playground header{display:none}.sf-showcase-play .sf-playground>p{display:none}