:root{--color-canvas:#fafafa;--color-surface:#fff;--color-surface-elevated:#fff;--color-bg:var(--color-canvas);--color-border:#e5e7eb;--color-border-light:#f3f4f6;--color-ink:#111827;--color-body:#4b5563;--color-muted:#9ca3af;--color-faint:#d1d5db;--color-accent:#2563eb;--color-accent-hover:#1d4ed8;--color-accent-light:#eff6ff;--color-success:#059669;--color-success-bg:#ecfdf5;--color-success-border:#a7f3d0;--color-error:#dc2626;--color-error-bg:#fef2f2;--color-error-border:#fecaca;--color-warning:#d97706;--color-warning-bg:#fffbeb;--font-sans:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "SF Mono", monospace;--max-width:1120px;--hero-width:720px;--workspace-split-width:1100px;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;--sp-16:64px;--sp-20:80px;--sp-24:96px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-pill:9999px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);color:var(--color-ink);background-color:var(--color-canvas);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{flex-direction:column;min-height:100vh;line-height:1.6;display:flex;overflow-x:hidden}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}h1,h2,h3,h4,h5,h6{color:var(--color-ink);letter-spacing:-.02em;font-weight:600;line-height:1.2}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}@media (width<=640px){.container{padding:0 16px}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-faint);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--color-muted)}.btn{border-radius:var(--radius-md);white-space:nowrap;justify-content:center;align-items:center;gap:8px;font-weight:500;transition:all .15s;display:inline-flex;position:relative}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-ink);color:#fff;padding:10px 20px;font-size:14px}.btn-primary:hover{background:#000}.btn-secondary{background:var(--color-surface);color:var(--color-ink);border:1px solid var(--color-border);padding:10px 20px;font-size:14px}.btn-secondary:hover{background:var(--color-canvas);border-color:var(--color-muted)}.btn-accent{background:var(--color-accent);color:#fff;border-radius:var(--radius-md);padding:12px 24px;font-size:14px;font-weight:600}.btn-accent:hover{background:var(--color-accent-hover)}.btn-accent:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-ghost{color:var(--color-body);background:0 0;padding:8px 16px;font-size:14px}.btn-ghost:hover{color:var(--color-ink);background:var(--color-border-light)}.btn-lg{padding:14px 28px;font-size:15px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.font-mono{font-family:var(--font-mono)}.text-cyan{color:var(--color-accent)}.text-emerald{color:var(--color-success)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}section{padding:80px 0;position:relative}@media (width<=640px){section{padding:48px 0}}.tool-workspace.has-files{transition:max-width .3s;max-width:var(--workspace-split-width)!important}.tool-split-layout{grid-template-columns:1.1fr .9fr;align-items:start;gap:32px;display:grid}.preview-pane{flex-direction:column;gap:16px;min-width:0;display:flex}.controls-pane{flex-direction:column;gap:20px;min-width:0;display:flex}@media (width<=960px){.tool-split-layout{grid-template-columns:1fr;gap:24px}}.settings-tabs{background:var(--color-border-light);border-radius:var(--radius-md);gap:3px;margin-bottom:6px;padding:3px;display:flex}.settings-tab{border-radius:var(--radius-sm);color:var(--color-muted);cursor:pointer;background:0 0;border:none;flex:1;justify-content:center;align-items:center;gap:6px;padding:8px 12px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.settings-tab:hover{color:var(--color-body)}.settings-tab.active{background:var(--color-surface);color:var(--color-ink);box-shadow:0 1px 3px #00000014}.target-size-group,.target-size-section{flex-direction:column;gap:16px;width:100%;display:flex}.size-preset-pills{grid-template-columns:repeat(5,1fr);gap:8px;width:100%;display:grid}.size-preset-pill{font-size:12px;font-weight:600;font-family:var(--font-mono);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-body);cursor:pointer;text-align:center;justify-content:center;align-items:center;min-height:38px;padding:9px 4px;transition:all .15s;display:flex}.size-preset-pill:hover{border-color:var(--color-muted);color:var(--color-ink)}.size-preset-pill.active{background:var(--color-ink);color:#fff;border-color:var(--color-ink)}.custom-size-group{flex-direction:column;gap:8px;width:100%;display:flex}.custom-size-label{color:var(--color-muted);font-size:12px;font-weight:500}.custom-size-input-row{align-items:center;gap:8px;width:100%;display:flex}.custom-input{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);min-width:0;font-size:14px;font-family:var(--font-mono);color:var(--color-ink);outline:none;flex:1;padding:10px 14px;font-weight:500;transition:border-color .15s}.custom-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #2563eb1a}.custom-select{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);width:90px;font-size:13px;font-weight:600;font-family:var(--font-mono);color:var(--color-accent);cursor:pointer;outline:none;flex-shrink:0;padding:10px 12px;transition:border-color .15s}.custom-select:focus{border-color:var(--color-accent)}.target-size-hint{color:var(--color-muted);align-items:flex-start;gap:8px;width:100%;margin-top:2px;font-size:12px;line-height:1.4;display:flex}.target-size-hint svg{color:var(--color-success);flex-shrink:0;margin-top:2px}.pdf-page-nav-bar{z-index:6;backdrop-filter:blur(8px);border-radius:var(--radius-pill);border:1px solid var(--color-border);background:#fffffff2;align-items:center;gap:8px;padding:4px 10px;display:flex;position:absolute;bottom:12px;left:50%;transform:translate(-50%);box-shadow:0 2px 8px #00000014}.pdf-nav-btn{border:1px solid var(--color-border);background:var(--color-surface);width:26px;height:26px;color:var(--color-body);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:all .15s;display:flex}.pdf-nav-btn:hover:not(:disabled){background:var(--color-ink);border-color:var(--color-ink);color:#fff}.pdf-nav-btn:disabled{opacity:.35;cursor:not-allowed}.pdf-nav-page-text{color:var(--color-ink);text-align:center;min-width:48px;font-size:12px;font-weight:600}.seo-prose{color:var(--color-body);font-size:15px;line-height:1.75}.seo-prose p{margin-bottom:20px}.seo-prose h2{color:var(--color-ink);margin-top:40px;margin-bottom:16px;font-size:24px;font-weight:600;line-height:1.3}.seo-prose h2:first-of-type{margin-top:0}.seo-prose h3{color:var(--color-ink);margin-top:32px;margin-bottom:12px;font-size:18px;font-weight:600;line-height:1.4}.seo-prose h4{color:var(--color-ink);margin-top:24px;margin-bottom:10px;font-size:16px;font-weight:600}.seo-prose strong{color:var(--color-ink);font-weight:600}.seo-prose a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}.seo-prose a:hover{text-decoration-thickness:2px}.seo-prose ul,.seo-prose ol{margin-bottom:20px;padding-left:24px}.seo-prose li{margin-bottom:8px;line-height:1.7}.seo-grid-2{grid-template-columns:repeat(2,1fr);gap:16px;margin:24px 0 32px;display:grid}.seo-grid-3{grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 32px;display:grid}.seo-subcard{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;gap:8px;padding:20px;transition:border-color .15s;display:flex}.seo-subcard:hover{border-color:var(--color-muted)}.seo-subcard-icon{border-radius:var(--radius-md);background:var(--color-accent-light);width:32px;height:32px;color:var(--color-accent);justify-content:center;align-items:center;margin-bottom:2px;display:flex}.seo-subcard h4{color:var(--color-ink);margin:0;font-size:15px;font-weight:600}.seo-subcard p{color:var(--color-body);margin:0;font-size:13px;line-height:1.6}.seo-steps{flex-direction:column;gap:12px;margin:24px 0 32px;display:flex}.seo-step-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);align-items:flex-start;gap:16px;padding:16px 20px;display:flex}.seo-step-num{background:var(--color-ink);color:#fff;width:28px;height:28px;font-size:13px;font-weight:600;font-family:var(--font-mono);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.seo-step-body h4{color:var(--color-ink);margin:0 0 4px;font-size:15px}.seo-step-body p{color:var(--color-body);margin:0;font-size:13px;line-height:1.6}.seo-table-wrap{border-radius:var(--radius-lg);border:1px solid var(--color-border);width:100%;margin:24px 0 32px;overflow-x:auto}.seo-table{border-collapse:collapse;text-align:left;width:100%;font-size:13px}.seo-table th{background:var(--color-border-light);color:var(--color-ink);border-bottom:1px solid var(--color-border);white-space:nowrap;padding:12px 16px;font-weight:600}.seo-table td{color:var(--color-body);border-bottom:1px solid var(--color-border-light);padding:12px 16px;line-height:1.5}.seo-table tr:last-child td{border-bottom:none}.seo-callout{border-left:3px solid var(--color-accent);background:var(--color-accent-light);border-radius:0 var(--radius-md) var(--radius-md) 0;align-items:flex-start;gap:12px;margin:24px 0 28px;padding:16px 20px;display:flex}.seo-callout.tip{border-left-color:var(--color-success);background:var(--color-success-bg)}.seo-callout-icon{color:var(--color-accent);flex-shrink:0;margin-top:2px}.seo-callout.tip .seo-callout-icon{color:var(--color-success)}.seo-callout-text{color:var(--color-body);font-size:13px;line-height:1.65}.seo-callout-text strong{color:var(--color-ink)}@media (width<=768px){.seo-grid-2,.seo-grid-3{grid-template-columns:1fr}}.tool-page{min-height:calc(100vh - 64px);padding:32px 0 80px}.breadcrumb{color:var(--color-muted);align-items:center;gap:8px;margin-bottom:24px;font-size:13px;display:flex}.breadcrumb a{color:var(--color-body);transition:color .15s}.breadcrumb a:hover{color:var(--color-ink)}.crumb-separator{color:var(--color-faint)}.tool-header{text-align:center;margin-bottom:36px}.tool-badge-wrap{justify-content:center;margin-bottom:12px;display:flex}.tool-header h1{letter-spacing:-.02em;color:var(--color-ink);margin-bottom:10px;font-size:36px;font-weight:700}.tool-header p{color:var(--color-body);max-width:520px;margin:0 auto;font-size:16px;line-height:1.6}.pulse-dot{background:var(--color-success);border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulseGlow}@keyframes pulseGlow{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.seo-content{padding:56px 0 72px}.seo-card{border-radius:var(--radius-xl);border:1px solid var(--color-border);background:var(--color-surface);padding:40px}.tool-card{border-radius:var(--radius-xl);border:1px solid var(--color-border);background:var(--color-surface)}.seo-content h2{color:var(--color-ink);margin-bottom:14px;font-size:24px;font-weight:600}.seo-content h3{color:var(--color-ink);margin-top:28px;margin-bottom:12px;font-size:18px;font-weight:600}.seo-content p{color:var(--color-body);max-width:720px;margin-bottom:14px;font-size:15px;line-height:1.7}.seo-feature-list{color:var(--color-body);margin-bottom:28px;padding-left:20px;font-size:14px;line-height:1.8}.seo-feature-list li{margin-bottom:6px}.seo-feature-list strong{color:var(--color-ink)}.cta-row{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}.site-header[data-astro-cid-nen7h5rs]{z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);background:#fafafae6;position:sticky;top:0}.header-inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;height:56px;display:flex}.logo[data-astro-cid-nen7h5rs]{color:var(--color-ink);letter-spacing:-.01em;align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.logo[data-astro-cid-nen7h5rs] svg[data-astro-cid-nen7h5rs]{color:var(--color-ink)}.desktop-nav[data-astro-cid-nen7h5rs]{align-items:center;gap:2px;display:flex}.nav-link[data-astro-cid-nen7h5rs]{color:var(--color-body);border-radius:var(--radius-md);cursor:pointer;padding:6px 12px;font-size:14px;font-weight:500;transition:all .15s}.nav-link[data-astro-cid-nen7h5rs]:hover{color:var(--color-ink);background:var(--color-border-light)}.nav-dropdown-trigger[data-astro-cid-nen7h5rs]{position:relative}.nav-dropdown-trigger-btn[data-astro-cid-nen7h5rs]{color:inherit;background:0 0;border:none;align-items:center;gap:4px;font-family:inherit;display:flex}.nav-dropdown-menu[data-astro-cid-nen7h5rs]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;gap:2px;min-width:170px;margin-top:8px;padding:6px;display:none;position:absolute;top:100%;left:0;box-shadow:0 4px 16px #00000014}.nav-dropdown-trigger[data-astro-cid-nen7h5rs]:hover .nav-dropdown-menu[data-astro-cid-nen7h5rs],.nav-dropdown-trigger[data-astro-cid-nen7h5rs]:focus-within .nav-dropdown-menu[data-astro-cid-nen7h5rs],.nav-dropdown-trigger-btn[data-astro-cid-nen7h5rs][aria-expanded=true]~.nav-dropdown-menu[data-astro-cid-nen7h5rs]{display:flex}.nav-dropdown-menu[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--color-body);border-radius:var(--radius-sm);padding:8px 12px;font-size:14px;font-weight:500;transition:all .15s}.nav-dropdown-menu[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:var(--color-ink);background:var(--color-border-light)}.header-actions[data-astro-cid-nen7h5rs]{align-items:center;gap:10px;display:flex}.header-cta[data-astro-cid-nen7h5rs]{padding:7px 16px;font-size:13px}.mobile-menu-btn[data-astro-cid-nen7h5rs]{color:var(--color-ink);border-radius:var(--radius-sm);padding:6px;display:none}.mobile-menu-btn[data-astro-cid-nen7h5rs]:hover{background:var(--color-border-light)}.mobile-nav[data-astro-cid-nen7h5rs]{border-top:1px solid var(--color-border);background:var(--color-canvas);flex-direction:column;gap:2px;padding:12px 16px 16px;display:none}.mobile-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--color-body);border-radius:var(--radius-md);padding:10px 12px;font-size:14px;font-weight:500}.mobile-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:var(--color-ink);background:var(--color-border-light)}.mobile-nav-cta[data-astro-cid-nen7h5rs]{text-align:center;margin-top:8px;color:#fff!important;background:var(--color-ink)!important}.mobile-nav-cta[data-astro-cid-nen7h5rs]:hover{background:#000!important}@media (width<=768px){.desktop-nav[data-astro-cid-nen7h5rs],.header-cta[data-astro-cid-nen7h5rs]{display:none}.mobile-menu-btn[data-astro-cid-nen7h5rs]{display:block}.mobile-nav[data-astro-cid-nen7h5rs]:not([hidden]){display:flex}}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);background:var(--color-canvas);margin-top:auto;padding:48px 0 32px}.footer-inner[data-astro-cid-jo6i4kqk]{grid-template-columns:1.4fr 1fr;gap:48px;display:grid}.footer-brand[data-astro-cid-jo6i4kqk]{flex-direction:column;align-items:flex-start;display:flex}.footer-logo[data-astro-cid-jo6i4kqk]{align-items:center;gap:8px;margin-bottom:12px;text-decoration:none;display:inline-flex}.footer-logo[data-astro-cid-jo6i4kqk] svg[data-astro-cid-jo6i4kqk]{color:var(--color-ink)}.logo-text[data-astro-cid-jo6i4kqk]{color:var(--color-ink);font-size:16px;font-weight:600}.footer-tagline[data-astro-cid-jo6i4kqk]{color:var(--color-body);max-width:300px;font-size:14px;line-height:1.6}.footer-links[data-astro-cid-jo6i4kqk]{gap:56px;display:flex}.footer-col[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:10px;display:flex}.footer-col[data-astro-cid-jo6i4kqk] h4[data-astro-cid-jo6i4kqk]{text-transform:uppercase;letter-spacing:.05em;color:var(--color-muted);margin-bottom:4px;font-size:12px;font-weight:600}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--color-body);font-size:14px;transition:color .15s}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--color-ink)}.footer-bottom[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);grid-column:1/-1;margin-top:8px;padding-top:24px}.footer-bottom[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{color:var(--color-muted);font-size:13px}@media (width<=640px){.footer-inner[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr;gap:32px}.footer-links[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:24px}}