body{margin:0}*{box-sizing:border-box}body{color:#111827;background:#f3f4f6;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app{min-height:100vh}.header{z-index:10;background:#fff;border-bottom:1px solid #e5e7eb;padding:16px 24px;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;display:flex}.main-layout{align-items:flex-start;gap:24px;max-width:1200px;margin:0 auto;padding:24px;display:flex}.left-col{flex:1;min-width:0}.right-col{flex-shrink:0;width:360px;position:sticky;top:80px}.store-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.store-card{cursor:pointer;background:#fff;border:2px solid #e5e7eb;border-radius:14px;padding:16px;transition:all .2s}.store-card:hover{border-color:#a5b4fc;transform:translateY(-1px);box-shadow:0 4px 12px #00000014}.store-card-selected{box-shadow:0 4px 16px #0000001f}.store-card-empty{opacity:.6;cursor:default;flex-direction:column;justify-content:center;min-height:80px;padding:20px;display:flex}.detail-panel{background:#fff;border:1px solid #e5e7eb;border-radius:14px;max-height:calc(100vh - 120px);padding:20px;overflow-y:auto}@media (width<=768px){.main-layout{flex-direction:column;padding:16px}.right-col{width:100%;position:static}.store-grid{grid-template-columns:1fr}}