:root{--blue:#2563EB;--blue-dark:#1D4ED8;--blue-soft:#DBEAFE;--bg:#F8FAFC;--text:#0F172A;--muted:#64748B;--border:#E2E8F0;--price:#F97316;--danger:#EF4444;--card:#fff}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:10px 20px}.brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--blue)}.brand img{height:28px}.top-nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.top-nav a{font-size:14px;color:var(--text)}.page{max-width:1320px;margin:0 auto;padding:14px}.site-footer{text-align:center;color:var(--muted);border-top:1px solid var(--border);padding:20px;margin-top:30px;background:#fff}.btn,button{background:var(--blue);color:#fff;border:0;border-radius:8px;padding:9px 14px;font-weight:700;cursor:pointer}.btn:hover,button:hover{background:var(--blue-dark)}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn.small{padding:7px 10px;color:#fff}.search-box{background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px;margin-bottom:12px}.search-form{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:8px}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:9px;background:#fff;color:var(--text)}textarea{min-height:100px}.campaign-strip{margin:12px 0}.campaign-strip img{width:100%;max-height:340px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}.section-tight{margin-top:10px}section{margin:24px 0}.section-title{display:flex;align-items:center;justify-content:space-between;margin:6px 0 12px}.section-title h1,.section-title h2{font-size:20px;margin:0}.section-title span{color:var(--muted);font-size:13px}.product-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.product-card{background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden}.product-card:hover{border-color:var(--blue);transform:translateY(-1px)}.product-img{display:block;aspect-ratio:1/1;background:#f1f5f9}.product-img img{width:100%;height:100%;object-fit:cover}.product-body{padding:10px;display:flex;flex-direction:column;gap:5px}.product-body 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var(--blue);border-radius:12px;padding:22px}.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.proof-card,.auth-card,.stat-card,.media-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px}.proof-card img{height:120px;width:100%;object-fit:cover;border-radius:8px;margin-bottom:8px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:8px}.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px}.detail-image img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;background:#f1f5f9}.actions{display:flex;gap:10px;flex-wrap:wrap}.auth-card{max-width:520px;margin:20px auto}.auth-card form,.form-grid{display:grid;gap:12px}.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border)}.table th,.table td{border-bottom:1px solid var(--border);padding:9px;text-align:left;vertical-align:top}.thumb{width:52px;height:52px;object-fit:cover;border-radius:8px}.admin-title,.admin-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat-card strong{display:block;font-size:28px;color:var(--blue)}.form-grid{grid-template-columns:repeat(2,1fr);background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px}.check-row{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px}.media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.media-card img{height:130px;width:100%;object-fit:cover;border-radius:8px}.flash{padding:10px;border-radius:8px;margin-bottom:10px;background:#DBEAFE;color:#1D4ED8}.flash.error{background:#FEF2F2;color:#EF4444}@media (min-width:1500px){.product-grid{grid-template-columns:repeat(6,1fr)}}@media (max-width:1100px){.product-grid{grid-template-columns:repeat(4,1fr)}.stat-grid,.media-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:760px){.site-header{align-items:flex-start;gap:8px;flex-direction:column}.top-nav{gap:10px}.page{padding:8px}.search-form{grid-template-columns:1fr 1fr}.search-form input{grid-column:1/-1}.product-grid{grid-template-columns:repeat(2,1fr);gap:8px}.product-body{padding:8px}.product-body h3{font-size:13px}.price{font-size:16px}.detail-layout,.proof-grid,.form-grid{grid-template-columns:1fr}.stat-grid,.media-grid{grid-template-columns:1fr}.section-title h1,.section-title h2{font-size:18px}}