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66%,transparent)}}.image-workflow-end-drop{font-size:var(--wf-text-xs);font-weight:750}.image-workflow-end-drop.active{color:var(--accent);border-color:var(--accent);background:var(--accent)}@supports (color:color-mix(in lab,red,red)){.image-workflow-end-drop.active{background:color-mix(in srgb,var(--accent) 10%,var(--surface))}}.image-workflow-inspector{min-height:0}.image-workflow-inspector>header{justify-content:space-between}.image-workflow-inspector>header>button{width:36px;height:36px;color:var(--muted);border-radius:8px;place-items:center;display:grid}.image-workflow-inspector>header>button:hover{color:var(--ink);background:var(--surface-soft)}.image-workflow-inspector-body{--workflow-inspector-control-height:48px;gap:var(--wf-space-lg);max-height:calc(100vh - 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--tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}:root{--space-xs: .25rem;--space-sm: .5rem;--space-md: .75rem;--space-lg: 1rem;--space-xl: 1.5rem;--space-2xl: 2rem;--space-3xl: 3rem;--space-4xl: 4rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--duration-fast: .12s;--duration-base: .22s;--duration-slow: .52s;color:var(--ink);background:var(--bg);font-family:Avenir Next,Segoe UI Variable,PingFang SC,Microsoft YaHei,ui-sans-serif,system-ui,sans-serif}body{background:var(--bg);color:var(--ink);font-size:1rem}body:before{display:none}button,a,input,select,summary{transition-timing-function:var(--ease-out-expo)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--focus);outline-offset:3px}.topbar{height:68px;grid-template-columns:184px minmax(0,1fr) auto auto;gap:var(--space-lg);padding:0 clamp(1rem,3vw,2.5rem);border-bottom:1px solid var(--line);background:var(--surface);-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none}.brand{flex:0 0 auto}.brand img{width:142px;height:auto}.desktop-nav{gap:var(--space-xs)}.nav-link,.nav-pill,.locale{min-height:40px;border-radius:var(--radius-sm);color:var(--muted);font-size:.78rem;font-weight:570;padding-inline:var(--space-md);transition:color var(--duration-fast),background var(--duration-fast),transform var(--duration-fast)}.nav-link:hover,.nav-pill:hover,.locale:hover{color:var(--ink);background:var(--surface-soft)}.nav-link.active,.nav-pill.active{color:var(--accent-strong);background:color-mix(in oklch,var(--accent) 9%,var(--surface));box-shadow:none}.locale{min-width:44px;border-color:var(--line);background:transparent}.menu-panel{top:44px;width:310px;gap:var(--space-xs);padding:var(--space-sm);border-color:var(--line);border-radius:var(--radius-md);background:var(--surface-raised);box-shadow:var(--shadow);transform:translate(-50%) translateY(8px) scale(.98);transition:opacity var(--duration-base),transform var(--duration-base)}.nav-menu:hover .menu-panel,.nav-menu:focus-within .menu-panel,.nav-menu.open .menu-panel{transform:translate(-50%) translateY(0) scale(1)}.menu-panel a{min-height:52px;border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md)}.menu-panel a:hover{background:var(--surface-soft)}.menu-icon{width:30px;height:30px;border:0;border-radius:var(--radius-sm);color:var(--accent);background:color-mix(in oklch,var(--accent) 9%,var(--surface))}.menu-panel strong{font-size:.78rem;font-weight:650}.menu-panel small{display:block;margin-top:2px;color:var(--muted);font-size:.68rem;line-height:1.35}.privacy-strip{min-height:28px;border:0;border-bottom:1px solid color-mix(in oklch,var(--success) 18%,var(--line));color:var(--success-strong);background:color-mix(in oklch,var(--success) 8%,var(--surface));font-size:.68rem;font-weight:580}.trust-dot{width:5px;height:5px;border-radius:50%}.hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);align-items:center;gap:clamp(2rem,6vw,6rem);max-width:1240px;min-height:520px;padding:clamp(3.5rem,8vw,7rem) 1.5rem clamp(3rem,6vw,5rem)}.hero:after{content:none}.hero-copy{min-width:0;animation:pro-enter var(--duration-slow) var(--ease-out-expo) both}.hero h1{display:block;max-width:12ch;margin:0;color:var(--ink);font-size:clamp(3rem,6vw,5.6rem);font-weight:650;line-height:.98;letter-spacing:-.065em;word-break:keep-all;text-wrap:balance}.hero p{display:block;max-width:60ch;margin-top:var(--space-xl);color:var(--muted);font-size:1.05rem;line-height:1.72}.hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-md);margin-top:var(--space-2xl)}.hero-primary{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);border-radius:var(--radius-sm);padding-inline:var(--space-xl);color:var(--surface);background:var(--accent);box-shadow:var(--shadow-accent);font-size:.86rem;font-weight:650;transition:transform var(--duration-fast),background var(--duration-fast),color var(--duration-fast)}.hero-primary:hover{background:var(--accent-strong);transform:translateY(-2px)}.hero-primary svg{transition:transform var(--duration-base) var(--ease-out-expo)}.hero-primary:hover svg{transform:translate(3px)}.hero-trust{display:flex;flex-wrap:wrap;gap:var(--space-lg);margin-top:var(--space-xl);color:var(--muted);font-size:.72rem}.hero-trust span{display:inline-flex;align-items:center;gap:var(--space-xs)}.hero-trust svg{color:var(--success)}.hero-workflow-preview{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface-raised);box-shadow:var(--shadow);animation:pro-preview-enter .68s .1s var(--ease-out-expo) both}.hero-workflow-preview>header,.hero-workflow-preview>footer{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:0 var(--space-lg);color:var(--muted);background:var(--surface-soft);font-size:.68rem}.hero-workflow-preview>header{border-bottom:1px solid var(--line)}.hero-workflow-preview>footer{border-top:1px solid var(--line)}.hero-workflow-preview header span{display:inline-flex;align-items:center;gap:var(--space-sm)}.hero-workflow-preview header i{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px color-mix(in oklch,var(--success) 12%,transparent)}.hero-workflow-preview header strong,.hero-workflow-preview footer strong{color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.04em}.hero-preview-track{display:grid;gap:var(--space-sm);padding:var(--space-lg);background:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px),var(--surface);background-size:24px 24px}.hero-preview-step{position:relative;display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:var(--space-md);min-height:68px;padding:var(--space-md);border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-raised);box-shadow:0 4px 14px #1f25290a;animation:pro-step-enter .46s var(--ease-out-expo) both;animation-delay:calc(var(--step-index) * 70ms + .26s)}.hero-preview-step>span{display:grid;place-items:center;width:34px;height:34px;border-radius:var(--radius-sm);color:var(--accent-strong);background:color-mix(in oklch,var(--accent) 10%,var(--surface));font-size:.72rem;font-weight:700}.hero-preview-step div{min-width:0}.hero-preview-step strong,.hero-preview-step small{display:block}.hero-preview-step strong{font-size:.8rem;font-weight:650}.hero-preview-step small{overflow:hidden;margin-top:3px;color:var(--muted);font-size:.66rem;text-overflow:ellipsis;white-space:nowrap}.hero-preview-step>svg{color:var(--success)}.pipeline-section,.tool-page,.generic-page{max-width:1240px}.pipeline-section{padding-inline:1.5rem}.preset-strip{margin-bottom:var(--space-md);padding:var(--space-sm);border-color:var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:none}.preset-strip label,.icon-toggle,.preset-buttons button{min-height:38px;border-radius:var(--radius-sm)}.preset-strip label{background:var(--surface-raised)}.icon-toggle.selected{color:var(--surface);background:var(--ink);border-color:var(--ink);box-shadow:none}.preset-buttons button{color:var(--muted);background:var(--surface-soft)}.preset-buttons button:hover{color:var(--ink);background:color-mix(in oklch,var(--ink) 8%,var(--surface))}.preset-buttons button.selected{color:var(--surface);background:var(--ink);border-color:var(--ink)}.pipeline-grid{grid-template-columns:minmax(0,1fr) minmax(300px,340px);gap:var(--space-lg)}.dropzone{min-height:500px;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);background:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px),var(--surface);background-size:32px 32px;box-shadow:none;transition:border-color var(--duration-base),transform var(--duration-base),background var(--duration-base)}.dropzone:after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;box-shadow:inset 0 0 0 1px transparent;transition:box-shadow var(--duration-base)}.dropzone.dragging{border-color:var(--accent);background-color:color-mix(in oklch,var(--accent) 4%,var(--surface));box-shadow:none;transform:scale(.995)}.dropzone.dragging:after{box-shadow:inset 0 0 0 3px color-mix(in oklch,var(--accent) 18%,transparent)}.drop-empty:before{width:min(250px,68vw);margin-bottom:var(--space-xl);border-color:var(--line-strong);border-radius:var(--radius-md);background:linear-gradient(135deg,var(--surface-soft) 0 31%,var(--line-strong) 31% 58%,var(--ink) 58% 100%);box-shadow:12px 12px 0 -4px color-mix(in oklch,var(--accent) 15%,transparent),-10px 10px 0 -5px color-mix(in oklch,var(--success) 14%,transparent)}.drop-empty button,.process-button,.download-button{border-radius:var(--radius-sm);box-shadow:none}.drop-empty button{min-height:46px;border-color:var(--ink);background:var(--ink)}.control-stack{gap:var(--space-sm)}.control-card{gap:var(--space-md);padding:var(--space-lg);border-color:var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:none}.control-title{font-size:.82rem;font-weight:650}.control-card p,.control-card small{font-size:.72rem}.switch{background:color-mix(in oklch,var(--ink) 14%,var(--surface))}.switch.on{background:var(--accent)}.process-button,.download-button{min-height:44px;color:var(--surface);background:var(--accent);transition:transform var(--duration-fast),background var(--duration-fast)}.process-button:hover,.download-button:hover{background:var(--accent-strong);transform:translateY(-1px)}.result-panel{animation:pro-result-enter .42s var(--ease-out-expo) both}.result-card{border-color:var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:none}.content-section{max-width:1160px;margin-top:clamp(4rem,9vw,7.5rem);padding:0 1.5rem;border:0}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.65fr);align-items:end;gap:var(--space-2xl);margin-bottom:var(--space-2xl)}.section-heading h2{max-width:16ch;margin:0;font-size:clamp(2.2rem,4.4vw,4.3rem);font-weight:620;line-height:1;letter-spacing:-.055em}.section-heading p{margin:0;font-size:.9rem;line-height:1.7}.card-grid.three{gap:var(--space-md)}.tool-card,.guide-grid a,.info-card,.audience-card,.testimonial-grid article,.article-list article{border-color:var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:none}.tool-card{min-height:136px;grid-template-columns:38px minmax(0,1fr);padding:var(--space-xl)}.tool-card:nth-child(1),.tool-card:nth-child(2){min-height:156px}.tool-card:nth-child(6){grid-column:span 6;min-height:116px}.tool-card:nth-child(6)>span:nth-child(2){max-width:62ch}.tool-card>span:first-child{width:36px;height:36px;border:0;border-radius:var(--radius-sm);background:color-mix(in oklch,var(--accent) 9%,var(--surface))}.tool-card strong,.guide-grid strong{font-size:.92rem;font-weight:650}.tool-card small,.guide-grid small{font-size:.76rem;line-height:1.58}@media(hover:hover){.tool-card:hover,.guide-grid a:hover{border-color:var(--line-strong);background:var(--surface-raised);box-shadow:var(--shadow-soft);transform:translateY(-3px)}}.info-card{min-height:150px;padding:var(--space-xl)}.info-card h3{font-size:1rem;font-weight:650}.info-card p{max-width:52ch;font-size:.8rem;line-height:1.65}.guide-grid{gap:var(--space-md)}.guide-grid a{min-height:112px;padding:var(--space-xl)}.inline-links{justify-content:flex-start}.faq-section{max-width:920px}.faq-list{gap:0;border-top:1px solid var(--line-strong)}.faq-list details{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}.faq-list summary{min-height:64px;padding-inline:0;font-size:.86rem;font-weight:620}.faq-list p{max-width:68ch;padding:0 0 var(--space-xl);font-size:.8rem;line-height:1.7}.tool-page,.generic-page{padding-top:var(--space-2xl)}.back-link{margin-bottom:var(--space-xl);font-size:.76rem;font-weight:620}.tool-hero{grid-template-columns:minmax(0,1fr);max-width:780px;gap:0;margin-bottom:var(--space-2xl)}.tool-kicker{min-height:auto;margin-bottom:var(--space-md);padding:0;border:0;color:var(--accent);background:transparent;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.tool-hero h1,.generic-page h1{margin-bottom:var(--space-md);font-size:clamp(2.6rem,5vw,4.8rem);font-weight:620;line-height:1;letter-spacing:-.055em}.tool-hero p,.generic-page>p{max-width:68ch;font-size:.96rem;line-height:1.72}.tool-badges span{border-color:color-mix(in oklch,var(--success) 20%,var(--line));border-radius:var(--radius-sm);color:var(--success-strong);background:color-mix(in oklch,var(--success) 7%,var(--surface));font-size:.72rem;font-weight:600}.tool-visual{display:none}.tool-workspace,.mini-upload,.video-stage{border-color:var(--line)}.mini-upload,.video-stage{border-radius:var(--radius-lg);background:var(--surface);box-shadow:none}.footer{max-width:1160px;margin-top:clamp(5rem,10vw,9rem);padding-block:var(--space-2xl) max(var(--space-3xl),env(safe-area-inset-bottom));border-color:var(--line)}.tool-page:has(.image-workflow-studio){max-width:1520px;padding-top:var(--space-xl)}.image-workflow-studio{margin-top:var(--space-lg)}.image-workflow-toolbar{border-color:var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.image-workflow-name-field input,.image-workflow-toolbar select,.image-workflow-field input:not([type=range]),.image-workflow-field select,.image-workflow-search{border-color:var(--line);border-radius:var(--radius-sm);background:var(--surface-raised)}.image-workflow-grid{grid-template-columns:258px minmax(520px,1fr) 318px;gap:var(--space-md)}.image-workflow-library,.image-workflow-inspector,.image-workflow-lane,.image-workflow-results{border-color:var(--line);background:var(--surface);box-shadow:none}.image-workflow-library,.image-workflow-inspector{border-radius:var(--radius-md)}.image-workflow-library>header,.image-workflow-inspector>header,.image-workflow-results>header{background:var(--surface-soft)}.image-workflow-panel-icon,.image-workflow-node-icon,.image-workflow-capability>span:first-child{border-radius:var(--radius-sm);color:var(--accent);background:color-mix(in oklch,var(--accent) 9%,var(--surface))}.image-workflow-capability{border-color:var(--line);border-radius:var(--radius-sm);background:var(--surface-raised);transition:transform var(--duration-fast),border-color var(--duration-fast),background var(--duration-fast)}@media(hover:hover){.image-workflow-capability:hover{border-color:var(--line-strong);background:color-mix(in oklch,var(--accent) 4%,var(--surface));box-shadow:none;transform:translateY(-1px)}}.image-workflow-media-filter{background:color-mix(in oklch,var(--ink) 5%,var(--surface))}.image-workflow-media-filter button.active{color:var(--accent-strong);background:var(--surface-raised);box-shadow:none}.image-workflow-lane{border-radius:var(--radius-md);background:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px),var(--surface);background-size:28px 28px}.image-workflow-lane-body{background:transparent}.image-workflow-node{border-color:var(--line);border-radius:var(--radius-md);background:var(--surface-raised);box-shadow:0 6px 20px #1f25290f;transition:transform var(--duration-fast),border-color var(--duration-fast),box-shadow var(--duration-fast)}.image-workflow-node.selected{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 12%,transparent)}.image-workflow-node.dragging{opacity:.28;border-style:dashed;background:var(--surface-soft);box-shadow:none;transform:scale(.985)}.image-workflow-node-overlay,.image-workflow-node-overlay:hover{width:min(344px,calc(100vw - 24px));max-width:calc(100vw - 24px);min-height:78px;grid-template-columns:24px 36px minmax(0,1fr) auto;gap:10px;padding:12px;border:1px solid var(--line-strong);border-radius:var(--radius-md);background:var(--surface-raised);box-shadow:0 0 0 4px color-mix(in oklch,var(--ink) 5%,transparent),0 22px 54px #1f252933;opacity:.98;transform:scale(.985)}.image-workflow-node-overlay.invalid,.image-workflow-node-overlay.invalid:hover{border-color:color-mix(in oklch,var(--workflow-error) 48%,var(--line));box-shadow:0 0 0 4px color-mix(in oklch,var(--workflow-error) 10%,transparent),0 22px 54px #1f252933}.image-workflow-node-overlay .image-workflow-node-grip{width:24px;height:32px}.image-workflow-node-overlay .image-workflow-node-icon{width:36px;height:36px}.image-workflow-node-overlay .image-workflow-node-main{gap:2px}.image-workflow-node-overlay .image-workflow-node-type{font-size:.56rem;letter-spacing:.08em}.image-workflow-node-overlay .image-workflow-node-main strong{font-size:.88rem;line-height:1.25}.image-workflow-node-overlay .image-workflow-node-main small{font-size:.68rem}.image-workflow-drag-status{min-height:30px;display:inline-flex;align-items:center;gap:5px;border-radius:999px;color:var(--success-strong);background:color-mix(in oklch,var(--success) 10%,var(--surface));padding:0 9px;font-size:.62rem;font-weight:650;white-space:nowrap}.image-workflow-drag-status.invalid{color:var(--error-strong);background:color-mix(in oklch,var(--workflow-error) 10%,var(--surface))}.image-workflow-insertion-preview{min-height:92px;height:auto;border-color:color-mix(in oklch,var(--accent) 60%,var(--line));border-radius:var(--radius-md);color:var(--accent-strong);background:color-mix(in oklch,var(--accent) 6%,var(--surface));animation-duration:var(--duration-base);animation-timing-function:var(--ease-out-expo)}.image-workflow-node.running{animation:workflow-running 1.6s var(--ease-in-out) infinite}.image-workflow-inspector.open{box-shadow:var(--shadow)}@keyframes pro-enter{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes pro-preview-enter{0%{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes pro-step-enter{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:translate(0)}}@keyframes pro-result-enter{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes workflow-running{0%,to{box-shadow:0 0 0 2px color-mix(in oklch,var(--accent) 8%,transparent)}50%{box-shadow:0 0 0 5px color-mix(in oklch,var(--accent) 18%,transparent)}}@media(max-width:1180px){.image-workflow-grid{grid-template-columns:236px minmax(460px,1fr) 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