.trade-index{position:sticky;top:0;z-index:10;display:flex;align-items:center;flex-wrap:wrap;gap:6px;padding:12px 15px;margin-bottom:25px;background:#fff;border-bottom:1px solid #ddd}.trade-index strong{margin-right:8px}.trade-index a{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid #ccc;border-radius:4px;text-decoration:none;font-weight:600}.trade-index a:hover{background:#eee}.trade-letter{scroll-margin-top:70px;margin:30px 0 12px;padding:8px 12px;font-size:24px;font-weight:bold;border-bottom:2px solid #ccc}.trade-group{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.trade-card{background:#fff;border:1px solid #ddd;border-radius:6px;overflow:hidden;transition:box-shadow .2s ease}.trade-card:hover{box-shadow:0 4px 15px rgba(0,0,0,.12)}.trade-card-header{padding:14px 16px 8px}.trade-card-header h3{margin:0;font-size:17px;line-height:1.3}.trade-card-body{padding:8px 16px 14px}.trade-website{font-size:14px;word-break:break-word;text-decoration:none}.trade-website:hover{text-decoration:underline}.trade-website .fa{margin-left:5px}.website-unavailable{color:#999;font-size:14px;font-style:italic}@media(max-width:1000px){.trade-group{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.trade-group{grid-template-columns:1fr}}