*{box-sizing:border-box}
:root{
    --primary:#4361ee;
    --secondary:#3f37c9;
    --success:#4cc9f0;
    --warning:#f8961e;
    --info:#4895ef;
    --bg-grad-start:#f5f7fa;
    --bg-grad-end:#c3cfe2;
    --border:#e6e8f0;
    --muted:#64748b;
}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,var(--bg-grad-start) 0%,var(--bg-grad-end) 100%);margin:0;color:#333;line-height:1.6;min-height:100vh}
.wrap{max-width:800px;margin:0 auto;padding:20px}
.header{background:var(--primary);color:#fff;border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 4px 12px rgba(0,0,0,.1);text-align:center}
.header .title{font-size:1.8rem;font-weight:bold;display:flex;align-items:center;justify-content:center;gap:10px}
.card{background:#fff;border-radius:10px;padding:20px;margin-bottom:5px;box-shadow:0 4px 12px rgba(0,0,0,.05)}
.card-title{font-size:1.2rem;margin-bottom:15px;color:var(--primary);display:flex;align-items:center;gap:10px}
label{display:block;margin:10px 0 8px;font-weight:600}
textarea{width:100%;max-width:100%;min-height:50px;border:1px solid #ddd;border-radius:8px;padding:12px 15px;font-size:16px;resize:vertical;background:#fff}
textarea:focus,select:focus,input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(67,97,238,.12)}
input[type="text"]{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:8px;font-size:16px}
select,button{height:46px;border-radius:8px;font-size:16px}
select{width:100%;border:1px solid #ddd;padding:0 12px;background:#fff}
.row{margin-top:16px}
.btn{display:inline-block;width:100%;height:46px;padding:12px 20px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:16px;cursor:pointer;text-align:center;transition:background .2s,transform .2s;line-height:22px;box-sizing:border-box}
.btn:hover{background:var(--secondary);transform:translateY(-1px)}
.btn-purchase{display:inline-block;width:100%;height:46px;padding:12px 20px;background:#fff;color:#f8961e;border:1px solid #f8961e;border-radius:8px;font-size:16px;cursor:pointer;text-align:center;transition:all .2s,transform .2s;margin-top:12px;text-decoration:none;line-height:22px;box-sizing:border-box}
.btn-purchase:hover{background:#f8961e;color:#fff;transform:translateY(-1px);text-decoration:none}
.hint{font-size:12px;color:var(--muted)}
.err{display:none;margin-top:16px;padding:12px 15px;border:1px solid #ef4444;border-radius:8px;background:#fff;color:#ef4444;font-size:15px;font-weight:500;align-items:center;min-height:44px}
.err i{margin-right:10px;font-size:18px}
.btn:disabled{opacity:.6;cursor:not-allowed}
.payment-modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:1000;align-items:center;justify-content:center}
.payment-modal.show{display:flex}
.payment-content{background:#fff;border-radius:12px;padding:30px;max-width:400px;width:90%;box-shadow:0 8px 24px rgba(0,0,0,.2);position:relative}
.payment-header{text-align:center;margin-bottom:20px}
.payment-header h3{margin:0 0 10px;font-size:1.4rem;color:#333}
.payment-header p{margin:0;color:#666;font-size:14px}
.payment-qrcode{text-align:center;margin:20px 0}
.payment-qrcode img{max-width:100%;border:1px solid #eee;border-radius:8px}
.payment-qrcode canvas{max-width:100%;border:1px solid #eee;border-radius:8px}
.payment-status{text-align:center;margin:15px 0;padding:10px;border-radius:8px;font-size:14px}
.payment-status.loading{background:#e3f2fd;color:#1976d2}
.payment-status.success{background:#e8f5e9;color:#2e7d32}
.payment-status.error{background:#ffebee;color:#c62828}
.payment-close{position:absolute;top:15px;right:15px;width:30px;height:30px;border:none;background:transparent;font-size:20px;cursor:pointer;color:#999;line-height:30px;padding:0;text-align:center}
.payment-close:hover{color:#333}
.payment-price{text-align:center;font-size:1.2rem;font-weight:bold;color:var(--primary);margin:15px 0}
.links-container{margin-top:0px}
.links-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px}
.links-row:last-child{margin-bottom:0}
.link-btn{flex:1;min-width:calc(20% - 10px);padding:10px 15px;background:#f5f5f5;color:#333;border-radius:8px;text-align:center;text-decoration:none;font-size:14px;transition:all .2s;border:none;cursor:pointer}
.link-btn:hover{background:#e0e0e0;transform:translateY(-1px);text-decoration:none;color:#333}
.link-btn-img{flex:1;min-width:calc(33.333% - 10px);display:flex;align-items:center;justify-content:center;padding:10px;background:#fff;border-radius:8px;text-decoration:none;transition:all .2s;border:0px solid #e0e0e0}
.link-btn-img:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1);text-decoration:none;border-color:#ccc}
.link-btn-img img{max-width:100%;max-height:50px;height:auto;object-fit:contain;display:block}
.search-result-item:hover{background:#f5f5f5!important}
.search-result-item:last-child{border-bottom:none!important}
#searchResults::-webkit-scrollbar{width:6px}
#searchResults::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}
#searchResults::-webkit-scrollbar-thumb{background:#888;border-radius:3px}
#searchResults::-webkit-scrollbar-thumb:hover{background:#555}
@media (max-width:768px){.wrap{padding:15px}.header{padding:15px}.header .title{font-size:1.5rem}.card{padding:16px}.payment-content{padding:20px}.link-btn{min-width:calc(33.333% - 8px)}.link-btn-img{min-width:calc(33.333% - 8px)}.card-title{font-size:1rem}.card-title i{font-size:0.9rem}.link-btn-img img{max-height:100px}}