:root{--green:#00694a;--green2:#00805a;--dark:#25282b;--gray:#6b7075;--line:#e6e8ea;--bg:#f4f5f6}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--dark);background:var(--bg);line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
main.wrap{padding-top:20px;padding-bottom:40px}

.hdr{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.hdr-in{display:flex;align-items:center;gap:18px;padding:12px 16px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:22px;color:var(--green)}
.search{flex:1;display:flex;max-width:560px}
.search input{flex:1;border:2px solid var(--green);border-right:0;border-radius:10px 0 0 10px;padding:11px 14px;font-size:15px;outline:none}
.search button{background:var(--green);color:#fff;border:0;border-radius:0 10px 10px 0;padding:0 22px;font-weight:600;cursor:pointer}
.hnav{display:flex;align-items:center;gap:16px;font-size:14px}
.hnav a{color:var(--dark)}
.hnav b{color:var(--green)}
.btn-add{background:var(--green);color:#fff!important;padding:10px 16px;border-radius:10px;font-weight:600}

.notice{background:#e7f6ee;border:1px solid #b6e2ca;color:#0a5a3d;padding:12px 16px;border-radius:10px;margin-top:14px}

.btn{display:inline-block;background:var(--green);color:#fff;border:0;padding:11px 20px;border-radius:10px;font-weight:600;cursor:pointer;font-size:15px}
.btn:hover{background:var(--green2)}
.btn.big{padding:14px 26px;font-size:16px}
.btn.ghost{background:#fff;color:var(--green);border:2px solid var(--green)}

.hero{border-radius:16px;background-size:cover;background-position:center;color:#fff;padding:56px 40px;margin:8px 0 26px}
.hero-c{max-width:560px}
.hero h1{font-size:38px;margin:0 0 12px}
.hero p{font-size:18px;margin:0 0 22px;opacity:.95}

.h2{font-size:24px;margin:28px 0 14px}
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.15s}
.cat:hover{box-shadow:0 6px 18px rgba(0,0,0,.08);transform:translateY(-2px)}
.cat img{height:120px;width:100%;object-fit:cover}
.cat span{display:block;padding:12px 14px;font-weight:600}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.crd{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.15s}
.crd:hover{box-shadow:0 6px 18px rgba(0,0,0,.08)}
.crd-img{position:relative;display:block}
.crd-img img{height:170px;width:100%;object-fit:cover}
.crd-fav{position:absolute;top:8px;right:8px;background:#fff;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;color:#888;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.crd-fav.on{color:#e53935}
.crd-b{padding:12px 14px}
.crd-price{font-weight:800;font-size:18px;margin-bottom:4px}
.crd-title{display:block;font-size:14px;color:var(--dark);min-height:38px}
.crd-title:hover{color:var(--green)}
.crd-meta{color:var(--gray);font-size:13px;margin-top:6px}

.promo{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}
.promo>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.promo b{font-size:19px}
.promo p{color:var(--gray);margin:8px 0 16px}

.layout{display:grid;grid-template-columns:280px 1fr;gap:22px;align-items:start}
.filters{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;position:sticky;top:80px}
.filters label,.post-form label,.calc label{display:block;font-size:13px;color:var(--gray);margin-bottom:12px}
.filters input,.filters select,.post-form input,.post-form select,.post-form textarea,.calc input,.calc select{width:100%;margin-top:5px;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-size:14px;background:#fff;color:var(--dark)}
.post-form textarea{min-height:110px;resize:vertical}
.prow{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chk{display:flex!important;align-items:center;gap:8px;color:var(--dark);margin-top:26px}
.chk input{width:auto;margin:0}
.reset{display:inline-block;margin-left:12px;color:var(--gray);font-size:13px}
.found{color:var(--gray);margin:0 0 14px}
.empty{color:var(--gray);padding:20px;background:#fff;border-radius:12px;border:1px solid var(--line);grid-column:1/-1}

.crumbs{color:var(--gray);font-size:13px;margin-bottom:14px}
.crumbs a{color:var(--green)}
.item{display:grid;grid-template-columns:1.3fr 1fr;gap:26px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.item-media img{border-radius:12px;width:100%;height:380px;object-fit:cover}
.item-info h1{font-size:26px;margin:0 0 8px}
.item-price{font-size:30px;font-weight:800;color:var(--green);margin-bottom:6px}
.meta{color:var(--gray);margin:0 0 16px}
.seller{display:flex;align-items:center;gap:12px;background:var(--bg);padding:12px;border-radius:12px;margin-bottom:16px}
.ava{width:46px;height:46px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;flex:0 0 auto}
.item-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.msg-form{border-top:1px solid var(--line);padding-top:16px}
.msg-form h3{margin:0 0 10px}
.msg-form input,.msg-form textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 12px;margin-bottom:10px;font-size:14px}
.msg-form textarea{min-height:80px;resize:vertical}
.desc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:20px}

.post-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.calc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;position:sticky;top:80px}
.calc h3{margin:0 0 8px}
.calc-hint{color:var(--gray);font-size:13px;margin:0 0 14px}
.calc-out{background:var(--bg);border-radius:12px;padding:14px;margin:12px 0}
.calc-out>div{display:flex;justify-content:space-between;font-size:14px;margin-bottom:6px}
.calc-total{border-top:1px dashed #ccc;padding-top:10px!important;margin-top:8px;font-weight:600}
.calc-total span{font-size:24px;color:var(--green);font-weight:800}

.acc-tabs{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.acc-block{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.acc-block .grid{grid-template-columns:repeat(2,1fr)}

.chat{display:flex;flex-direction:column;gap:12px}
.chat-item{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.chat-body{flex:1}
.chat-top{font-size:13px;color:var(--gray);margin-bottom:6px}
.chat-ref{color:var(--green)}
.chat-date{margin-left:8px}
.chat-body p{margin:0}

.help section{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:16px}
.help ul{margin:0;padding-left:20px}
.help li{margin-bottom:6px}
.help details{border-top:1px solid var(--line);padding:10px 0}
.help summary{cursor:pointer;font-weight:600}
.help details p{color:var(--gray);margin:8px 0 0}

.ftr{background:#fff;border-top:1px solid var(--line);margin-top:40px;padding:30px 0 0}
.ftr-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.ftr b{display:block;margin-bottom:10px}
.ftr a{display:block;color:var(--gray);font-size:14px;padding:3px 0}
.ftr p{color:var(--gray);font-size:14px;margin:0}
.copy{text-align:center;color:var(--gray);font-size:13px;padding:20px 0;border-top:1px solid var(--line);margin-top:24px}

@media(max-width:960px){
  .cats,.grid{grid-template-columns:repeat(2,1fr)}
  .layout,.item,.promo,.acc-tabs{grid-template-columns:1fr}
  .acc-block .grid{grid-template-columns:repeat(2,1fr)}
  .filters,.calc{position:static}
  .search{order:3;flex-basis:100%;max-width:none}
  .hdr-in{flex-wrap:wrap}
  .ftr-in{grid-template-columns:1fr 1fr}
  .item-media img{height:260px}
}
@media(max-width:520px){.cats,.grid{grid-template-columns:1fr}.hero h1{font-size:28px}}