:root{--bg: #f6f7fb;--panel: #ffffff;--text: #181c28;--muted: #5b6472;--border: #e4e8f0;--primary: #4f46e5;--primary-strong: #4338ca;--primary-soft: #eef0ff;--ok: #0a8a4a;--err: #c0392b;--radius: 14px;--shadow: 0 1px 2px rgb(16 24 40 / .05), 0 8px 24px -12px rgb(16 24 40 / .14);--btn-text: #ffffff}@media(prefers-color-scheme:dark){:root{--bg: #0e1117;--panel: #161a23;--text: #e8eaf2;--muted: #9aa3b2;--border: #262c3a;--primary: #818cf8;--primary-strong: #a5b4fc;--primary-soft: #1d2135;--shadow: 0 1px 2px rgb(0 0 0 / .4), 0 8px 24px -12px rgb(0 0 0 / .5)}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:1080px;margin:0 auto;padding:0 20px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.25;letter-spacing:-.01em}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:var(--text)}.brand:hover{text-decoration:none}.brand svg{display:block}.site-header nav{display:flex;gap:22px}.site-header nav a{color:var(--muted);font-weight:600;font-size:14.5px}.site-header nav a:hover{color:var(--text);text-decoration:none}.site-footer{border-top:1px solid var(--border);margin-top:72px;padding:36px 0 44px;background:var(--panel)}.footer-inner{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}.footer-inner strong{font-size:16px}.footer-inner p{margin:4px 0 0;color:var(--muted);font-size:14px;max-width:420px}.footer-inner nav{display:flex;gap:18px;font-size:14px}.footer-note{margin-top:28px;color:var(--muted);font-size:13px;border-top:1px solid var(--border);padding-top:18px}.hero{text-align:center;padding:72px 0 30px}.hero h1{font-size:clamp(30px,5vw,46px);margin:0 auto 14px;max-width:720px}.hero h1 .accent{color:var(--primary)}.hero-sub{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 22px}.hero-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:26px}.chip{display:inline-flex;align-items:center;gap:7px;background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:13px;padding:6px 12px;border-radius:999px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.search-wrap{max-width:460px;margin:34px auto 0;position:relative}.search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}.search-input{width:100%;padding:12px 16px 12px 42px;border:1px solid var(--border);border-radius:12px;background:var(--panel);color:var(--text);font-size:15px;box-shadow:var(--shadow)}.search-input:focus{outline:2px solid var(--primary);outline-offset:1px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:10px 18px;font-size:15px;font-weight:700;cursor:pointer;font-family:inherit;transition:background .15s ease,transform .05s ease}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.primary{background:#4f46e5;color:#fff}.btn.primary:hover:not(:disabled){background:#4338ca}.btn.secondary{background:var(--primary-soft);color:var(--primary)}.btn.secondary:hover:not(:disabled){background:color-mix(in srgb,var(--primary-soft) 80%,var(--primary))}.btn.ghost{background:transparent;color:var(--muted);border-color:var(--border)}.btn.ghost:hover:not(:disabled){color:var(--text)}.btn.small{padding:7px 14px;font-size:13.5px;border-radius:9px}.section{padding:34px 0 0}.section-head{display:flex;align-items:baseline;gap:12px;margin:0 0 16px}.section-head h2{margin:0;font-size:22px}.section-head .count{color:var(--muted);font-size:14px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:14px}.card{display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;color:var(--text);box-shadow:var(--shadow);transition:border-color .15s ease,transform .15s ease}.card:hover{text-decoration:none;border-color:var(--primary);transform:translateY(-2px)}.card-icon{width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:6px;color:#fff}.cat-organize{background:#6366f1}.cat-convert{background:#0d9488}.cat-edit{background:#d97706}.cat-optimize{background:#e11d48}.card-name{font-weight:800;font-size:16px}.card-desc{color:var(--muted);font-size:13.5px;line-height:1.5}.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.why{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.why .why-icon{color:var(--primary);margin-bottom:10px;display:inline-flex}.why h3{margin:0 0 6px;font-size:16.5px}.why p{margin:0;color:var(--muted);font-size:14.5px}.tool-page{padding-top:34px}.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:18px}.tool-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}.tool-head .tool-icon{width:52px;height:52px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;color:#fff;flex:none}.tool-head h1{margin:0;font-size:clamp(24px,4vw,32px)}.tool-head .tagline{margin:2px 0 0;color:var(--muted)}.privacy-chip{margin-left:auto;display:inline-flex;align-items:center;gap:7px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700;border-radius:999px;padding:7px 13px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.dropzone{border:2px dashed var(--border);border-radius:12px;padding:40px 20px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease}.dropzone:hover,.dropzone:focus-visible,.dropzone.drag{border-color:var(--primary);background:var(--primary-soft);outline:none}.dz-icon{color:var(--primary);margin-bottom:8px}.dz-title{margin:0;font-weight:700;font-size:16px}.dz-title .link{color:var(--primary)}.dz-hint{margin:4px 0 0;color:var(--muted);font-size:13px}.filelist{margin-top:14px}.file-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--bg)}.file-name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.file-size{color:var(--muted);font-size:13px;flex:none}.file-remove{border:none;background:transparent;color:var(--muted);font-size:18px;cursor:pointer;line-height:1;padding:2px 6px;border-radius:6px}.file-remove:hover{color:var(--err);background:color-mix(in srgb,var(--err) 12%,transparent)}.file-total{color:var(--muted);font-size:13px;padding:2px 2px 0}.options{margin-top:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 18px}.opt-label{display:flex;flex-direction:column;gap:6px;font-weight:700;font-size:13.5px}.opt select,.opt input[type=number],.opt input[type=text]{padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font-size:14px;font-family:inherit}.opt input:focus,.opt select:focus{outline:2px solid var(--primary);outline-offset:1px}.opt-help{margin:0;color:var(--muted);font-size:12.5px;font-weight:400;line-height:1.45}.range-holder{display:flex;align-items:center;gap:10px}.range-holder input[type=range]{flex:1;accent-color:var(--primary)}.range-value{font-variant-numeric:tabular-nums;font-size:13.5px;color:var(--muted);min-width:34px;text-align:right}.actions{margin-top:20px;display:flex;gap:12px;align-items:center}.run-btn{min-width:190px}.progress{margin-top:18px}.progress-track{height:8px;border-radius:999px;background:var(--border);overflow:hidden}.progress-bar{height:100%;background:var(--primary);border-radius:999px;transition:width .2s ease}.progress-bar.indeterminate{animation:slide 1.1s ease-in-out infinite;width:40%}@keyframes slide{0%{margin-left:-40%}to{margin-left:100%}}.progress-label{display:block;margin-top:8px;color:var(--muted);font-size:13.5px}.error{margin-top:16px;background:color-mix(in srgb,var(--err) 10%,transparent);color:var(--err);border:1px solid color-mix(in srgb,var(--err) 35%,transparent);border-radius:10px;padding:12px 14px;font-size:14px}.results{margin-top:18px;border-top:1px solid var(--border);padding-top:16px;display:flex;flex-direction:column;gap:8px}.res-head{font-weight:700;font-size:14.5px;color:var(--ok);margin-bottom:4px}.res-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg)}.res-name{font-weight:600;font-size:14px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.res-size{color:var(--muted);font-size:13px;flex:none}.results .btn.secondary,.results .btn.ghost{align-self:flex-start}.seo-block{margin-top:40px}.seo-block h2{font-size:21px;margin:0 0 12px}.seo-block ol{margin:0;padding-left:22px;color:var(--muted)}.seo-block ol li{margin-bottom:8px}.faq-list details{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px 18px;margin-bottom:10px}.faq-list summary{font-weight:700;cursor:pointer;font-size:15px}.faq-list p{margin:10px 0 0;color:var(--muted);font-size:14.5px}.prose{max-width:720px;padding-top:40px}.prose h1{font-size:clamp(26px,4vw,34px);margin-bottom:6px}.prose .lede{color:var(--muted);font-size:17px;margin-top:0}.prose h2{font-size:20px;margin-top:34px}.prose p,.prose li{color:var(--muted);font-size:15.5px}.prose strong{color:var(--text)}@media(max-width:640px){.privacy-chip{margin-left:0}.hero{padding-top:48px}.panel{padding:16px}}