/* Only refine source catalogue heading and interactions; retain original cards/grid. */
.stc-source-list .source-head{background:#fff;border:1px solid #e2ebe6;border-left:4px solid #218653;border-radius:12px;padding:18px 20px;box-shadow:0 3px 12px rgba(24,60,40,.035)}
.stc-source-list .source-head::before,.stc-source-list .source-head::after{display:none}
.stc-source-list .source-head-main{gap:12px}
.stc-source-list .source-head-icon{width:38px;height:38px;min-width:38px;background:#edf6f0;color:#24764c;border:1px solid #dcece2;border-radius:10px;box-shadow:none}
.stc-source-list .source-head-icon svg{width:21px;height:21px;stroke-width:1.7}
.stc-source-list .source-title{margin:0;color:#244333;font-size:21px;line-height:1.4;font-weight:600;letter-spacing:normal;text-transform:none;text-shadow:none}
.stc-source-list .source-back{background:transparent;border:1px solid #e0e9e3;color:#527060;border-radius:8px;box-shadow:none;font-size:12px;padding:8px 12px;transition:background-color 200ms ease-out,border-color 200ms ease-out}
.stc-source-list .source-back:hover{background:#edf6f0;border-color:#a7cdb6;color:#185a3b;transform:none}
.stc-source-list .source-card{border-color:#dce8e0;transition:transform 200ms ease-out,border-color 200ms ease-out,box-shadow 200ms ease-out}
.stc-source-list .source-card:hover{transform:none;border-color:#dce8e0;box-shadow:0 12px 36px rgba(15,23,42,.055)}
.stc-source-list .source-card:focus-within{border-color:#83b99a;box-shadow:0 6px 20px rgba(24,90,59,.10)}
.stc-source-list .source-card-title a{transition:color 200ms ease-out}
.stc-source-list a:focus-visible{outline:2px solid #218653;outline-offset:3px}
@media(hover:hover){.stc-source-list .source-card:hover{transform:translateY(-3px);border-color:#83b99a;box-shadow:0 8px 24px rgba(24,90,59,.12)}.stc-source-list .source-card:hover .source-card-title a{color:#187345}}
.stc-source-list .source-card:active{transform:translateY(0);border-color:#549d72;box-shadow:0 3px 10px rgba(24,90,59,.10)}
@media(max-width:600px){.stc-source-list .source-head{padding:14px}.stc-source-list .source-title{font-size:18px}.stc-source-list .source-back{min-height:44px}}
@media(prefers-reduced-motion:reduce){.stc-source-list .source-card,.stc-source-list .source-card-title a,.stc-source-list .source-back{transition:none;animation:none}.stc-source-list .source-card:hover,.stc-source-list .source-card:active{transform:none}}