:root{--bg:#f7f8fb;--surface:#fff;--text:#172033;--muted:#64748b;--line:#e2e8f0;--brand:#2563eb;--brand2:#1d4ed8;--radius:18px;--shadow:0 10px 30px rgba(15,23,42,.08);color-scheme:light}html[data-theme="dark"]{--bg:#0b1120;--surface:#111827;--text:#e5e7eb;--muted:#94a3b8;--line:#253044;--brand:#60a5fa;--brand2:#3b82f6;--shadow:0 10px 30px rgba(0,0,0,.25);color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}img{max-width:100%;height:auto}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{width:min(1180px,calc(100% - 32px));margin-inline:auto}.narrow{width:min(800px,calc(100% - 32px))}.center{text-align:center}.skip-link,.screen-reader-text{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px;z-index:999}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{min-height:70px;display:flex;align-items:center;gap:22px}.site-title{font-size:1.25rem;font-weight:800;color:var(--text)}.brand{margin-right:auto}.main-nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}.main-nav a{color:var(--text);font-weight:650}.theme-toggle,.menu-toggle{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:12px;padding:9px 12px}.menu-toggle{display:none}.hero{padding:72px 0 48px;background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 10%,var(--bg)),var(--bg))}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center}.hero h1{font-size:clamp(2.3rem,5vw,4.8rem);line-height:1.05;margin:.4rem 0 1rem;letter-spacing:-.04em}.hero p{font-size:1.15rem;color:var(--muted);max-width:700px}.hero-panel,.tool-app,.article,.widget,.post-card,.tool-card,.content-section,.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-panel{padding:24px}.hero-panel ul{margin:18px 0 0;padding-left:20px}.button,button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:12px;padding:11px 17px;background:var(--brand);color:#fff;font-weight:750;cursor:pointer}.button:hover,button:hover{background:var(--brand2);text-decoration:none}.button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--line)}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px}.section{padding:56px 0}.section.alt{background:color-mix(in srgb,var(--surface) 55%,var(--bg))}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.section-head h2,.tool-category h3{margin:.3rem 0}.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:var(--brand)}.tool-category{margin:34px 0}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{padding:20px;color:var(--text);transition:transform .2s ease,border-color .2s ease}.tool-card:hover{transform:translateY(-3px);border-color:var(--brand);text-decoration:none}.tool-card h3,.tool-card h4{margin:.2rem 0}.tool-card p,.post-card p{color:var(--muted);margin:.5rem 0 0}.tool-icon{float:right;color:var(--brand)}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.post-card{overflow:hidden}.post-thumb{display:block;aspect-ratio:16/9;background:var(--line)}.post-thumb img{width:100%;height:100%;object-fit:cover}.post-card-body{padding:20px}.post-card h2{font-size:1.15rem;line-height:1.35;margin:.4rem 0}.content-layout,.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px}.article{padding:clamp(20px,4vw,48px)}.article h1,.tool-header h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.12}.entry-content>h2{margin-top:2rem}.hero-image{border-radius:14px;margin:12px 0 24px}.post-meta,.archive-description{color:var(--muted)}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:.9rem;color:var(--muted);margin-bottom:18px}.sidebar{display:grid;gap:18px;align-content:start}.widget{padding:20px}.widget-title{font-size:1.05rem}.widget ul{padding-left:18px}.ad-slot{min-height:100px;display:grid;place-items:center;border:1px dashed var(--line);background:var(--surface);color:var(--muted);margin:24px 0;contain:layout}.ad-sidebar{min-height:250px}.tool-page{min-width:0}.tool-header{margin-bottom:24px}.tool-app{padding:24px;min-height:300px}.tool-controls{display:grid;gap:14px}.tool-result{margin-top:22px}.tool-result pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);border:1px solid var(--line);padding:16px;border-radius:12px;max-height:500px;overflow:auto}.tool-result .error{color:#dc2626}.big-result{font-size:2rem;font-weight:800}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat-grid>div{padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.stat-grid strong{display:block;font-size:1.55rem}.stat-grid span{color:var(--muted);font-size:.85rem}.content-section,.faq{padding:24px;margin-top:24px}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq summary{font-weight:750;cursor:pointer}label{display:grid;gap:6px;font-weight:700}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px;background:var(--bg);color:var(--text);font:inherit}textarea{resize:vertical}.search-form{display:flex;gap:10px}.search-form label{flex:1}.pagination,.nav-links{display:flex;gap:8px;margin-top:30px}.page-numbers{padding:8px 12px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:44px 0 20px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:30px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.footer-bottom{border-top:1px solid var(--line);padding-top:18px;margin-top:28px;color:var(--muted)}.sticky-mobile-ad{display:none}.error-code{font-size:5rem;font-weight:900;margin:0}.comments-area{margin-top:30px}.comment-list{padding-left:20px}
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@media(max-width:600px){.container,.narrow{width:min(100% - 22px,1180px)}.hero{padding-top:46px}.tool-grid,.post-grid,.sidebar,.footer-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:1fr 1fr}.search-form{flex-direction:column}.site-header .header-inner{gap:10px}.theme-toggle,.menu-toggle{padding:8px 10px}.sticky-mobile-ad{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;min-height:50px;background:var(--surface);border-top:1px solid var(--line);text-align:center}.footer-links{grid-template-columns:1fr 1fr}}