:root{--color-bg-primary: hsl(0, 0%, 98%);--color-bg-secondary: hsl(0, 0%, 95%);--color-bg-card: hsl(0, 0%, 100%);--color-bg-nav: hsla(0, 0%, 100%, .95);--color-text-primary: hsl(220, 20%, 20%);--color-text-secondary: hsl(220, 10%, 45%);--color-accent: hsl(220, 80%, 55%);--color-accent-hover: hsl(220, 80%, 45%);--color-border: hsl(0, 0%, 90%);--color-shadow: hsla(220, 20%, 20%, .08);--max-width: 1200px;--spacing-block: 24px;--spacing-section: 80px;--nav-height: 64px;--radius: 12px;--radius-sm: 8px;--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Noto Sans SC", "Noto Sans TC", "Noto Sans JP", "Noto Sans KR", "Noto Sans Arabic", "Noto Sans Thai", "Noto Sans Hebrew", "PingFang SC", "PingFang TC", "Hiragino Sans", "Yu Gothic", "Malgun Gothic", "Microsoft YaHei", "Apple Color Emoji", "Segoe UI Emoji"}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:var(--font-stack);font-size:16px;line-height:1.6;color:var(--color-text-primary);background-color:var(--color-bg-primary);overflow-x:hidden;-webkit-text-size-adjust:100%}h1,h2,h3,h4,h5,h6{line-height:1.3;overflow-wrap:break-word;word-break:break-word;hyphens:auto}p,li,span,a,summary{overflow-wrap:break-word;word-break:break-word}h1{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:700}h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700}h3{font-size:clamp(1.1rem,2vw,1.25rem);font-weight:600}.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}main{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-block)}section{padding-top:var(--spacing-section);padding-bottom:var(--spacing-section)}section+section{margin-top:var(--spacing-block)}#site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--color-bg-nav);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);height:var(--nav-height)}#main-nav{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-block);display:flex;align-items:center;height:100%;gap:16px}.nav-logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:1rem;white-space:nowrap;flex-shrink:0}.nav-logo img{width:32px;height:32px;border-radius:6px}.nav-links{display:flex;list-style:none;gap:4px;margin-inline-start:auto}.nav-links a{display:inline-flex;align-items:center;min-height:48px;padding:8px 12px;text-decoration:none;color:var(--color-text-secondary);font-size:.9rem;border-radius:var(--radius-sm);transition:color .2s,background-color .2s;white-space:nowrap}.nav-links a:hover,.nav-links a.active{color:var(--color-accent);background-color:#306ee80f}.nav-actions{display:flex;align-items:center;gap:12px;margin-inline-start:auto;flex-shrink:0}.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:48px;min-width:48px;padding:10px 20px;background:var(--color-accent);color:#fff;text-decoration:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;transition:background-color .2s;white-space:nowrap}.nav-cta:hover{background:var(--color-accent-hover)}.nav-hamburger{display:none;flex-direction:column;justify-content:center;align-items:center;width:48px;height:48px;background:none;border:none;cursor:pointer;padding:12px;gap:5px}.nav-hamburger span{display:block;width:22px;height:2px;background:var(--color-text-primary);border-radius:2px;transition:transform .3s,opacity .3s}#hero{text-align:center;padding-top:calc(var(--nav-height) + var(--spacing-section));padding-bottom:40px}#hero-heading{margin-bottom:16px}.hero-subheadline{font-size:clamp(1rem,2vw,1.25rem);color:var(--color-text-secondary);max-width:640px;margin:0 auto 32px}.hero-cta-group{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:32px}.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;min-width:48px;padding:14px 32px;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;text-decoration:none;transition:background-color .2s,transform .2s}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg-secondary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border);transform:translateY(-1px)}.hero-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin-bottom:16px}.hero-bonus-credits{margin-top:16px;font-size:1rem;font-weight:600;color:var(--color-accent)}.hero-webapp-card{display:inline-flex;margin-top:16px}.webapp-card-link{display:flex;align-items:center;gap:10px;padding:14px 24px;background:linear-gradient(135deg,#306ee826,#306ee80d);border:1px solid hsl(220 80% 55% / .3);border-radius:12px;color:#1754cf;text-decoration:none;font-weight:600;transition:all .18s ease}.webapp-card-link:hover,.webapp-card-link:focus-visible{background:linear-gradient(135deg,#306ee840,#306ee81a);border-color:#306ee880;transform:translateY(-1px);box-shadow:0 4px 12px #306ee826}.webapp-card-link:focus-visible{outline:2px solid hsl(220 80% 55%);outline-offset:2px}.badge-link{display:inline-flex;align-items:center;min-height:48px}.badge-link img{height:44px;width:auto}.badge-link img[src=""]{visibility:hidden}#comparison{text-align:center;padding-top:40px;padding-bottom:40px}.comparison-slider{position:relative;max-width:800px;margin:0 auto;overflow:hidden;border-radius:var(--radius);user-select:none;-webkit-user-select:none;touch-action:none}.comparison-before,.comparison-after{position:relative}.comparison-before img,.comparison-after img{width:100%;height:auto;display:block;object-fit:contain;opacity:0;transition:opacity .3s ease-in}.comparison-slider.loaded .comparison-before img,.comparison-slider.loaded .comparison-after img{opacity:1}.comparison-after{position:absolute;inset:0;clip-path:inset(0 0 0 50%)}.comparison-after img{width:100%;height:100%;object-fit:contain}.comparison-label{position:absolute;bottom:12px;padding:6px 12px;background:#0009;color:#fff;font-size:.85rem;border-radius:4px;pointer-events:none}.comparison-label-before{left:12px}.comparison-label-after{right:12px}.comparison-handle{position:absolute;top:0;bottom:0;left:50%;width:48px;margin-left:-24px;cursor:ew-resize;display:flex;align-items:center;justify-content:center;z-index:10}.comparison-handle:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 4px #0000004d}.comparison-handle:after{content:"";width:36px;height:36px;border-radius:50%;background:#fff;box-shadow:0 2px 8px #0003;border:2px solid var(--color-accent);z-index:1}.comparison-slider.skeleton:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#1c1e22 25%,#292c32,#1c1e22 75%);background-size:200% 100%;animation:skeleton-pulse 1.5s ease-in-out infinite;border-radius:var(--radius);z-index:2}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}#features{text-align:center}#features-heading{margin-bottom:48px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--spacing-block)}.feature-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px 24px;text-align:start;transition:box-shadow .2s,transform .2s}.feature-card:hover{box-shadow:0 8px 24px var(--color-shadow);transform:translateY(-2px)}.feature-icon{width:48px;height:48px;margin-bottom:16px;background:#306ee81a;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.feature-card h3{margin-bottom:8px}.feature-card p{color:var(--color-text-secondary);font-size:.95rem}#workflow{text-align:center}#workflow-heading{margin-bottom:48px}.workflow-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-block)}.workflow-step{text-align:center;padding:24px}.step-number{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--color-accent);color:#fff;font-size:1.25rem;font-weight:700;margin-bottom:16px}.workflow-step h3{margin-bottom:8px}.workflow-step p{color:var(--color-text-secondary);font-size:.95rem}#use-cases{text-align:center}#use-cases-heading{margin-bottom:48px}.use-cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--spacing-block)}.use-case-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px 24px;text-align:start;transition:box-shadow .2s}.use-case-card:hover{box-shadow:0 8px 24px var(--color-shadow)}.use-case-card h3{margin-bottom:8px}.use-case-card p{color:var(--color-text-secondary);font-size:.95rem}#faq,#specs{text-align:center}#specs-heading{margin-bottom:48px}.specs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-block);max-width:900px;margin:0 auto}.spec-item{text-align:center;padding:24px 16px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.spec-value{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;color:var(--color-accent);margin-bottom:8px;white-space:nowrap}.spec-label{font-size:.85rem;color:var(--color-text-secondary);word-break:break-word}#faq-heading{margin-bottom:48px}.faq-list{max-width:800px;margin:0 auto;text-align:start}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;background:var(--color-bg-card)}.faq-item summary{display:flex;align-items:center;min-height:48px;padding:16px 20px;font-weight:600;cursor:pointer;list-style:none;transition:background-color .2s}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";margin-inline-start:auto;font-size:1.25rem;font-weight:400;color:var(--color-text-secondary);transition:transform .2s}.faq-item[open] summary:after{content:"−"}.faq-item summary:hover{background:var(--color-bg-secondary)}.faq-answer{padding:0 20px 16px;color:var(--color-text-secondary);line-height:1.7}#download{text-align:center;background:var(--color-bg-secondary);border-radius:var(--radius);padding:var(--spacing-section) var(--spacing-block)}#download-heading{margin-bottom:8px}.download-subtitle{color:var(--color-text-secondary);margin-bottom:32px}.download-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:16px}#site-footer{border-top:1px solid var(--color-border);margin-top:var(--spacing-section)}.footer-content{max-width:var(--max-width);margin:0 auto;padding:32px var(--spacing-block);text-align:center}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;margin-bottom:16px}.footer-links a{display:inline-flex;align-items:center;min-height:48px;color:var(--color-text-secondary);text-decoration:none;font-size:.9rem;transition:color .2s}.footer-links a:hover{color:var(--color-accent)}.footer-copyright{color:var(--color-text-secondary);font-size:.85rem}#locale-switcher{position:relative}.locale-switcher-btn{display:inline-flex;align-items:center;gap:6px;min-height:48px;min-width:48px;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg-card);color:var(--color-text-primary);font-size:.85rem;cursor:pointer;white-space:nowrap;transition:border-color .2s,background-color .2s}.locale-switcher-btn:hover{border-color:var(--color-accent);background:var(--color-bg-secondary)}.locale-switcher-btn[aria-expanded=true]{border-color:var(--color-accent)}.locale-switcher-btn:after{content:"";display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;transition:transform .2s}.locale-switcher-btn[aria-expanded=true]:after{transform:rotate(180deg)}.locale-switcher-dropdown{display:none;position:absolute;top:calc(100% + 4px);right:0;z-index:1100;min-width:200px;max-height:360px;overflow-y:auto;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);box-shadow:0 8px 24px var(--color-shadow);padding:4px 0;list-style:none}.locale-switcher-dropdown.open,#locale-switcher[open] .locale-switcher-dropdown{display:block}summary.locale-switcher-btn{list-style:none}summary.locale-switcher-btn::-webkit-details-marker{display:none}.locale-switcher-dropdown li{margin:0;padding:0}.locale-switcher-dropdown button,.locale-switcher-dropdown a{display:flex;align-items:center;width:100%;min-height:40px;padding:8px 16px;border:none;background:transparent;color:var(--color-text-primary);font-size:.9rem;text-align:start;text-decoration:none;cursor:pointer;transition:background-color .15s}.locale-switcher-dropdown button:hover,.locale-switcher-dropdown button:focus,.locale-switcher-dropdown a:hover,.locale-switcher-dropdown a:focus{background:var(--color-bg-secondary);outline:none}.locale-switcher-dropdown button[aria-selected=true],.locale-switcher-dropdown a[aria-selected=true]{color:var(--color-accent);font-weight:600}[dir=rtl] .locale-switcher-dropdown{right:auto;left:0}[dir=rtl] .locale-switcher-dropdown button,[dir=rtl] .locale-switcher-dropdown a{text-align:right}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .4s ease,transform .4s ease}.fade-in.visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){.fade-in{opacity:1;transform:none;transition:none}.feature-card,.use-case-card,.btn-primary,.btn-secondary,.nav-cta,.nav-links a,.footer-links a,.faq-item summary{transition:none}.feature-card:hover,.btn-primary:hover,.btn-secondary:hover{transform:none}}[dir=rtl]{direction:rtl;text-align:right}[dir=rtl] .nav-links{margin-inline-start:auto;margin-inline-end:0}[dir=rtl] .feature-card,[dir=rtl] .use-case-card,[dir=rtl] .faq-list{text-align:right}[dir=rtl] .faq-item summary:after{margin-inline-start:auto;margin-inline-end:0}[dir=rtl] .comparison-label-before{left:auto;right:12px}[dir=rtl] .comparison-label-after{right:auto;left:12px}[dir=rtl] .nav-actions{margin-inline-start:0;margin-inline-end:auto}@media(max-width:1023px){:root{--spacing-section: 60px}.features-grid,.workflow-steps,.use-cases-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:767px){:root{--spacing-section: 48px;--spacing-block: 16px}#hero{padding-top:calc(var(--nav-height) + 40px)}.features-grid,.workflow-steps,.use-cases-grid{grid-template-columns:1fr}.specs-grid{grid-template-columns:repeat(2,1fr)}.nav-links{display:none;position:absolute;top:var(--nav-height);left:0;right:0;flex-direction:column;background:var(--color-bg-nav);border-bottom:1px solid var(--color-border);padding:8px 0;box-shadow:0 4px 12px var(--color-shadow)}.nav-links.open{display:flex}.nav-links li{width:100%}.nav-links a{width:100%;padding:12px var(--spacing-block);justify-content:flex-start}.nav-hamburger{display:flex}.nav-cta{display:none}.hero-cta-group{flex-direction:column;align-items:center}.btn-primary,.btn-secondary{width:100%;max-width:320px}.hero-badges{flex-direction:column;align-items:center}.hero-webapp-card{display:block;width:100%}.webapp-card-link{width:100%;justify-content:center;min-height:44px;padding:14px 20px}.download-badges{flex-direction:column;align-items:center}}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}img,video,iframe,embed,object{max-width:100%;height:auto}#blog{text-align:center}#blog h2{margin-bottom:40px}.blog-preview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:1000px;margin:0 auto}.blog-preview-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:16px;overflow:hidden;text-decoration:none;transition:transform .3s,box-shadow .3s,border-color .3s;display:block;text-align:left}.blog-preview-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px var(--color-shadow);border-color:var(--color-accent)}.blog-preview-card img{width:100%;height:160px;object-fit:cover;display:block}.blog-preview-card h3{font-size:1rem;font-weight:600;color:var(--color-text-primary);padding:16px 20px 8px;line-height:1.4}.blog-preview-card p{font-size:.85rem;color:var(--color-text-secondary);padding:0 20px 20px;line-height:1.6;margin:0}.blog-view-all{margin-top:32px}.blog-view-all-link{color:var(--color-accent);text-decoration:none;font-weight:600;font-size:1rem;border-bottom:2px solid transparent;transition:border-color .2s}.blog-view-all-link:hover{border-color:var(--color-accent)}