:root{--accent:#ea3323;--text:#1b1f28;--muted:#6b7280;--line:rgba(0,0,0,.08);--r:16px}
.srk-wrap{max-width:1200px;margin:16px 0;color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.srk-title{font-size:22px;font-weight:900;margin:0 0 8px}
.srk-breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:8px}
.srk-specs{display:grid;grid-template-columns:repeat(8,1fr);gap:12px;margin:0 0 14px}
@media (max-width:980px){.srk-specs{grid-template-columns:repeat(4,1fr)}}
@media (max-width:520px){.srk-specs{grid-template-columns:repeat(2,1fr)}}
.srk-spec{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);
      border-radius:12px;padding:10px 12px;box-shadow:0 6px 16px rgba(16,24,40,.06)}
.srk-spec svg{width:22px;height:22px;color:var(--accent)}
.srk-spec b{display:block;font-size:13px}
.srk-spec span{display:block;font-size:12px;color:var(--muted)}
.srk-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 10px 24px rgba(16,24,40,.08)}
.srk-panel{padding:18px; margin-top:12px;}
.woocommerce div.product .srk-panel{max-width:100%}
.srk-tabs{display:inline-flex;gap:8px;margin:12px 0 16px}
.srk-tab{padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:700;cursor:pointer;user-select:none}
.srk-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.srk-hidden{display:none!important}
.srk-row{display:grid;grid-template-columns:1fr 120px 1fr 120px;gap:10px;margin:10px 0}
@media (max-width:520px){.srk-row{grid-template-columns:1fr 1fr}}
.srk-input, .srk-panel select{height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:14px;background:#f9fafb;width:100%}
.srk-select{display:flex;gap:10px;align-items:center}
.srk-link{display:inline-flex;gap:6px;align-items:center;color:var(--accent);text-decoration:none;font-weight:700}
.srk-link:hover{text-decoration:underline}
.srk-divider{height:1px;background:var(--line);margin:12px 0}
.srk-summary{display:grid;gap:6px;font-size:14px;margin:8px 0 12px}
.srk-total{display:flex;justify-content:space-between;align-items:center;font-weight:900;margin:12px 0 4px}
.srk-total .sum{font-size:18px;color:var(--accent)}
.srk-btns{display:flex;gap:10px;flex-wrap:wrap}
.srk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 16px;border-radius:12px;border:1px solid var(--line);cursor:pointer;font-weight:800}
.srk-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.srk-btn.ghost{background:#fff}
.srk-btn svg{width:18px;height:18px}
.srk-options{margin-top:22px}
.srk-opt-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.srk-opt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (max-width:680px){.srk-opt-grid{grid-template-columns:1fr}}
.srk-opt{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}
.srk-opt .label{font-size:14px}
.srk-opt .price{font-weight:800}
.srk-switch{position:relative;width:44px;height:26px;border-radius:999px;background:#e5e7eb;border:1px solid var(--line);flex:0 0 44px;cursor:pointer}
.srk-switch:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.25s}
input[type=checkbox].srk-chk:checked + .srk-switch{background:var(--accent);border-color:var(--accent)}
input[type=checkbox].srk-chk:checked + .srk-switch:after{transform:translateX(18px)}
.srk-bottom{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;margin-top:18px}
@media (max-width:980px){.srk-bottom{grid-template-columns:1fr}}
.srk-box{padding:18px}
.srk-box h4{margin:0 0 10px;font-size:16px}
.srk-list{display:grid;gap:8px;font-size:14px}
.srk-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(234,51,35,.12);color:var(--accent);font-weight:800;border:1px solid rgba(234,51,35,.26)}
.srk-kv{display:grid;gap:6px;font-size:14px}
.srk-kv div{display:flex;justify-content:space-between}
.srk-kv b{font-weight:800}
.srk-box .srk-total .sum{font-size:20px}
.srk-small{font-size:12px;color:var(--muted)}