/* V377: Reference-matched Store design — navy, white, gold */
.ds-ec-store{box-sizing:border-box;width:min(100% - 28px,1500px);max-width:1500px;margin:24px auto 42px;padding:22px 20px 28px;border:1px solid #e2eaf4;border-radius:24px;background:linear-gradient(180deg,#fff 0%,#fbfcff 100%);box-shadow:0 12px 38px rgba(10,37,67,.08);color:#10284a;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
.ds-ec-store-brand{display:flex;align-items:center;gap:14px;margin:0 0 18px;padding:0 4px 16px;border-bottom:1px solid #e8edf4}
.ds-ec-store-brand-logo{width:68px;height:62px;flex:0 0 68px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff;border-radius:12px;color:#d9a51f;font-size:25px;font-weight:950}
.ds-ec-store-brand-logo img,.ds-ec-store-brand-logo .custom-logo{display:block;width:100%;height:100%;object-fit:contain}
.ds-ec-store-brand-logo .custom-logo-link{display:block;width:100%;height:100%}
.ds-ec-store-brand strong{display:block;color:#09284b;font-size:clamp(20px,2vw,28px);line-height:1.15;font-weight:850;letter-spacing:-.035em}
.ds-ec-store-brand span{display:block;margin-top:5px;color:#64748b;font-size:12px;font-weight:650;letter-spacing:.11em;text-transform:uppercase}
.ds-ec-store-tabs{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:0 0 18px}
.ds-ec-store-tabs a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:10px 16px;border:1px solid #dce5f0;border-radius:12px;background:#fff;color:#12345a;text-decoration:none!important;font-size:13px;font-weight:800;line-height:1.15;white-space:nowrap;transition:background .18s,color .18s,transform .18s}
.ds-ec-store-tabs a:hover,.ds-ec-store-tabs a.is-active{background:#08294c;color:#fff;border-color:#e9b72f;box-shadow:0 4px 12px rgba(8,41,76,.16)}
.ds-ec-store-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;align-items:stretch;margin:0}
.ds-ec-store-card{display:flex;flex-direction:column;min-width:0;overflow:hidden;border:1px solid #e4ebf4;border-radius:15px;background:#fff;box-shadow:0 4px 16px rgba(12,39,70,.045);transition:transform .18s,box-shadow .18s,border-color .18s}
.ds-ec-store-card:hover{transform:translateY(-3px);border-color:#e6bd52;box-shadow:0 12px 24px rgba(12,39,70,.12)}
.ds-ec-store-card>img,.ds-ec-store-card .ds-ec-course-thumb img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:#09294b}
.ds-ec-course-thumb{display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;min-height:130px;background:radial-gradient(circle at 82% 18%,rgba(255,196,48,.24),transparent 28%),linear-gradient(135deg,#061d37,#124878);color:#fff;text-align:left;padding:16px;box-sizing:border-box}
.ds-ec-course-thumb strong{font-size:clamp(15px,1.35vw,21px);font-weight:900;line-height:1.1;text-transform:uppercase;letter-spacing:.02em}
.ds-ec-course-thumb span{display:block;margin-top:8px;color:#ffd44d;font-size:12px;font-weight:850;text-transform:uppercase}
.ds-ec-store-body{display:flex;flex-direction:column;align-items:stretch;gap:8px;padding:12px 13px 14px;flex:1}
.ds-ec-store-body h3{margin:0;color:#0a2344;font-size:clamp(14px,1.1vw,17px);line-height:1.3;font-weight:850;letter-spacing:-.015em;overflow-wrap:anywhere}
.ds-ec-store-body>div:not(.ds-ec-store-price){color:#5b6b80;font-size:12px;line-height:1.45}
.ds-ec-store-price{margin:2px 0 1px;color:#10284a;font-size:18px;font-weight:900;line-height:1.2}
.ds-ec-store-buy{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;min-height:39px;box-sizing:border-box;margin-top:auto;padding:9px 10px;border:1px solid #efb82c;border-radius:9px;background:linear-gradient(110deg,#ffc83d,#f4b91f);color:#092344!important;text-decoration:none!important;font-size:13px;font-weight:900;cursor:pointer;box-shadow:0 3px 8px rgba(226,164,14,.16)}
.ds-ec-store-buy:after{content:"→";font-size:16px}.ds-ec-store-buy:hover{filter:brightness(1.03);transform:translateY(-1px)}.ds-ec-store-buy:disabled{opacity:.55;cursor:wait}
.ds-ec-store-message{grid-column:1/-1;padding:12px 15px;border:1px solid #f0d88e;border-radius:12px;background:#fff7df;color:#5e480c;font-size:14px;line-height:1.6}
.ds-ec-store-empty{box-sizing:border-box;max-width:1280px;margin:24px auto;padding:34px;border-radius:24px;background:#f7f9fc;color:#102b49}.ds-ec-store-empty h2{font-size:clamp(26px,3vw,38px);color:#102b49;line-height:1.2}.ds-ec-store-kicker{color:#b2810c;font-weight:900;letter-spacing:.14em;font-size:11px}
.ds-home-store-section{box-sizing:border-box;max-width:1540px;margin:0 auto;padding:22px 14px 32px;background:#f5f8fc}.ds-home-store-heading{max-width:1200px;margin:0 auto;text-align:left;padding:8px 4px 18px}.ds-home-store-heading span{color:#b2810c;font-weight:900;letter-spacing:.14em;font-size:11px}.ds-home-store-heading h2{color:#09284b;font-size:clamp(25px,3vw,36px);line-height:1.15;margin:7px 0}.ds-home-store-heading p{color:#607187;margin:0 0 4px;font-size:14px}
@media(max-width:1100px){.ds-ec-store-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}}
@media(max-width:800px){.ds-ec-store-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.ds-ec-store{padding:16px}.ds-ec-store-card>img,.ds-ec-store-card .ds-ec-course-thumb img{aspect-ratio:16/10}.ds-ec-store-body{padding:11px}.ds-ec-store-body h3{font-size:15px}}
@media(max-width:520px){.ds-ec-store{width:calc(100% - 18px);margin:12px auto 28px;padding:13px;border-radius:17px}.ds-ec-store-brand{gap:10px;padding-bottom:12px;margin-bottom:14px}.ds-ec-store-brand-logo{width:50px;height:48px;flex-basis:50px}.ds-ec-store-brand strong{font-size:18px}.ds-ec-store-brand span{font-size:10px;letter-spacing:.08em}.ds-ec-store-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-bottom:14px}.ds-ec-store-tabs a{min-height:38px;padding:8px 5px;font-size:11px;white-space:normal;text-align:center}.ds-ec-store-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.ds-ec-store-card{border-radius:12px}.ds-ec-store-card>img,.ds-ec-store-card .ds-ec-course-thumb img{aspect-ratio:4/3}.ds-ec-course-thumb{min-height:95px;padding:10px}.ds-ec-course-thumb strong{font-size:13px}.ds-ec-course-thumb span{font-size:10px}.ds-ec-store-body{gap:6px;padding:9px}.ds-ec-store-body h3{font-size:13px;line-height:1.25}.ds-ec-store-body>div:not(.ds-ec-store-price){font-size:11px}.ds-ec-store-price{font-size:16px}.ds-ec-store-buy{min-height:34px;padding:7px 5px;font-size:11px}.ds-home-store-section{padding:16px 7px 24px}.ds-home-store-heading{padding:4px 7px 12px}}