:root{--bg:#f7f8fb;--card:#fff;--ink:#141824;--mute:#5d6577;--line:#e3e6ee;--acc:#3b5bfd;--acc2:#eef1ff;--ok:#127a3e;--err:#c62828;--r:12px}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
header.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.wrap{max-width:1040px;margin:0 auto;padding:0 18px}
header.top .wrap{display:flex;align-items:center;gap:18px;height:58px}
.logo{font-weight:800;font-size:20px;color:var(--ink)}.logo span{color:var(--acc)}
nav.cats{display:flex;gap:14px;font-size:14px;overflow-x:auto}nav.cats a{color:var(--mute);white-space:nowrap}
.lang-switch{width:auto;margin-left:auto;padding:8px 12px;font-size:14px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer}
main{padding:28px 0 40px}
h1{font-size:30px;line-height:1.25;margin:6px 0 8px}h2{font-size:21px;margin:30px 0 10px}h3{font-size:17px;margin:18px 0 6px}
.lead{color:var(--mute);margin:0 0 20px;font-size:17px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.tool{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;color:var(--ink)}
.tool:hover{border-color:var(--acc);text-decoration:none;box-shadow:0 2px 10px rgba(59,91,253,.08)}
.tool b{display:block;font-size:15px}.tool small{color:var(--mute);font-size:13px}
.drop{border:2px dashed #c7cde0;border-radius:var(--r);padding:26px;text-align:center;background:#fbfcff;cursor:pointer;position:relative}
.drop.over{border-color:var(--acc);background:var(--acc2)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.drop p{margin:0;color:var(--mute)}.drop strong{color:var(--ink)}
label{display:block;font-size:14px;font-weight:600;margin:12px 0 4px}
input[type=text],input[type=number],input[type=date],input[type=datetime-local],select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}
textarea{min-height:160px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:140px}
button,.btn{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:10px 18px;font:600 15px/1 inherit;cursor:pointer;margin:14px 8px 0 0}
button.sec{background:#fff;color:var(--ink);border:1px solid var(--line)}button:disabled{opacity:.5;cursor:default}
.status{margin-top:12px;color:var(--ok);font-size:14px;min-height:1em}.status.err{color:var(--err)}
.out{margin-top:16px;padding:14px;background:var(--acc2);border-radius:8px}
.big{font-size:28px;font-weight:800}
.files{list-style:none;padding:0;margin:12px 0 0}.files li{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;margin-bottom:6px;background:#fff;font-size:14px}
.files li span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.files li button{margin:0;padding:4px 9px;font-size:13px}
table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:right}th:first-child,td:first-child{text-align:left}
.preview{max-width:100%;max-height:420px;display:block;margin:12px auto 0;border-radius:8px;border:1px solid var(--line)}
.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.thumbs img{height:110px;border:1px solid var(--line);border-radius:6px}
mark{background:#ffe27a;border-radius:3px}
.privacy-note{font-size:13px;color:var(--mute);margin-top:10px}
.faq h3{margin-top:16px}.content p,.content li{color:#2b3245}
.crumbs{font-size:13px;color:var(--mute)}
footer{border-top:1px solid var(--line);background:#fff;padding:22px 0;font-size:14px;color:var(--mute)}
footer a{color:var(--mute);margin-right:16px}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;word-break:break-all}
@media(max-width:600px){h1{font-size:24px}nav.cats{display:none}}

/* ===== RunConvert-inspired homepage v2 (2026-10-11) ===== */
.hero{background:#fff;padding:76px 0 68px;text-align:center;border-bottom:1px solid var(--line)}
.hero h1{font-size:44px;font-weight:800;margin:0 0 14px;letter-spacing:-1px;color:var(--ink)}
.hero-sub{font-size:18px;color:var(--mute);margin:0 0 18px;line-height:1.6}
.trust-line{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;font-size:13.5px;color:var(--mute);margin:0 0 32px}
.trust-line .tick{color:var(--ok);font-weight:800;margin-right:6px}
.hero-search{max-width:600px;margin:0 auto}
.hero-search input{width:100%;padding:16px 24px;font-size:17px;border:1px solid var(--line);border-radius:999px;box-shadow:0 4px 20px rgba(20,24,36,.07);outline:none;background:#fff}
.hero-search input:focus{border-color:var(--acc);box-shadow:0 4px 24px rgba(59,91,253,.16)}
.popular{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px 36px;margin:48px 0}
.popular h2{justify-content:center;text-align:center;font-size:26px;margin:0 0 8px}
.sec-sub{text-align:center;color:var(--mute);margin:0 0 28px;font-size:15px}
.tool-section{margin:52px 0}
.tool-section h2{font-size:24px;margin:0 0 16px;display:flex;align-items:center;gap:10px}
.sec-emoji{font-size:26px}
.tool-card{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;color:var(--ink);transition:transform .18s ease,box-shadow .18s ease;text-decoration:none}
.tool-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(59,91,253,.14);border-color:#c9d2ff;text-decoration:none}
.tc-emoji{font-size:28px;line-height:1}
.tool-card b{font-size:15px}
.tool-card small{color:var(--mute);font-size:13px;line-height:1.5}
.no-results{text-align:center;color:var(--mute);padding:32px;font-size:16px}
.features{margin:64px 0;padding:56px 0;border-top:1px solid var(--line)}
.features h2{text-align:center;font-size:28px;margin-bottom:32px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;text-align:center}
.f-emoji{font-size:40px;display:block;margin-bottom:12px}
.feature h3{font-size:18px;margin:0 0 10px}
.feature p{color:var(--mute);font-size:14px;margin:0;line-height:1.7}
.faq{margin:0 0 56px;max-width:760px}
.faq h2{text-align:center;font-size:28px;margin-bottom:24px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq summary{padding:16px 20px;font-weight:600;font-size:15px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;font-size:20px;color:var(--acc);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 20px 18px;margin:0;color:var(--mute);font-size:14px;line-height:1.7}
@media(max-width:700px){
.hero{padding:52px 0 44px}
.hero h1{font-size:32px;letter-spacing:-.5px}
.hero-sub{font-size:16px}
.trust-line{gap:10px 18px;font-size:12.5px;margin-bottom:24px}
.hero-search input{padding:14px 20px;font-size:16px}
.popular{padding:28px 20px;margin:36px 0}
.popular h2{font-size:22px}
.feature-grid{grid-template-columns:1fr}
.grid{grid-template-columns:repeat(2,1fr)}
.tool-card{padding:16px 14px}
}
@media(min-width:701px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1000px){.grid{grid-template-columns:repeat(4,1fr)}}