*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#050507;color:#f2f2f2;min-height:100vh}
a{color:#2fd6a1;text-decoration:none}
a:hover{color:#00d992}
.store-wrap{max-width:640px;margin:0 auto;padding:16px}
.store-header{text-align:center;padding:24px 0 16px}
.store-header h1{font-size:22px;font-weight:600;color:#f2f2f2}
.store-header .notice{margin-top:8px;padding:8px 12px;background:rgba(255,186,0,.08);border:1px solid rgba(255,186,0,.3);border-radius:6px;font-size:13px;color:#ffba00;text-align:left}
.store-nav{display:flex;gap:12px;margin-bottom:20px}
.store-nav a{flex:1;text-align:center;padding:12px 0;background:#101010;border:1px solid #3d3a39;border-radius:8px;font-size:15px;color:#b8b3b0;transition:all .2s}
.store-nav a.active,.store-nav a:hover{background:#101010;color:#2fd6a1;border-color:#00d992}
.card-grid{display:flex;flex-direction:column;gap:12px}
.product-card{background:#101010;border-radius:10px;padding:16px;border:2px solid #3d3a39;cursor:pointer;transition:all .2s;position:relative}
.product-card:hover,.product-card.selected{border-color:#00d992;box-shadow:0 0 15px rgba(0,217,146,.1)}
.product-card.selected::after{content:"\2713";position:absolute;top:8px;right:12px;width:22px;height:22px;background:#00d992;color:#050507;border-radius:50%;text-align:center;line-height:22px;font-size:12px}
.product-card .p-name{font-size:16px;font-weight:500;color:#f2f2f2}
.product-card .p-info{display:flex;gap:12px;margin-top:6px;font-size:13px;color:#8b949e}
.product-card .p-price{margin-top:8px;font-size:20px;font-weight:600;color:#00d992}
.product-card .p-price small{font-size:13px;font-weight:400;color:#8b949e;margin-left:2px}
.product-card .p-tips{margin-top:4px;font-size:12px;color:#ffba00}
.charge-badge{display:inline-block;padding:1px 6px;border-radius:3px;font-size:11px;font-weight:400;vertical-align:middle;margin-left:4px}
.charge-time{background:rgba(0,217,146,.1);color:#00d992}
.charge-point{background:rgba(255,186,0,.1);color:#ffba00}
.charge-both{background:rgba(47,214,161,.1);color:#2fd6a1}
.app-card .p-name{text-align:center}
.section-title{font-size:15px;font-weight:500;margin-bottom:12px;padding-left:8px;border-left:3px solid #00d992;color:#f2f2f2}
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-size:14px;color:#b8b3b0}
.form-group input,.form-group select{width:100%;padding:10px 12px;border:1px solid #3d3a39;border-radius:6px;font-size:14px;outline:none;transition:border .2s;background:#050507;color:#f2f2f2}
.form-group input:focus,.form-group select:focus{border-color:#00d992;box-shadow:0 0 0 2px rgba(0,217,146,.15)}
.form-group .help-text{margin-top:4px;font-size:12px;color:#8b949e}
.form-group .error-text{margin-top:4px;font-size:12px;color:#fb565b}
.form-group .success-text{margin-top:4px;font-size:12px;color:#00d992}
.user-info-box{background:rgba(0,217,146,.06);border:1px solid rgba(0,217,146,.3);border-radius:6px;padding:10px 12px;margin-top:8px;font-size:13px;color:#2fd6a1}
.pay-methods{display:flex;flex-wrap:wrap;gap:10px}
.pay-method{padding:10px 20px;border:2px solid #3d3a39;border-radius:8px;cursor:pointer;font-size:14px;transition:all .2s;background:#101010;color:#b8b3b0}
.pay-method:hover,.pay-method.selected{border-color:#00d992;color:#2fd6a1}
.pay-method.selected{background:rgba(0,217,146,.06)}
.btn{display:block;width:100%;padding:12px 0;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .2s;text-align:center}
.btn-primary{background:#101010;color:#2fd6a1;border:1px solid #00d992}
.btn-primary:hover{background:rgba(0,217,146,.08)}
.btn-primary:disabled{background:#101010;color:#3d3a39;border-color:#3d3a39;cursor:not-allowed}
.btn-success{background:rgba(0,217,146,.1);color:#00d992;border:1px solid #00d992}
.btn-danger{background:rgba(251,86,91,.1);color:#fb565b;border:1px solid #fb565b}
.result-box{background:#101010;border:1px solid #3d3a39;border-radius:10px;padding:32px 24px;text-align:center;margin-top:20px}
.result-box .icon{font-size:48px;margin-bottom:12px}
.result-box .icon.success{color:#00d992}
.result-box .icon.waiting{color:#ffba00}
.result-box .icon.error{color:#fb565b}
.result-box h2{font-size:20px;margin-bottom:8px;color:#f2f2f2}
.result-box .desc{font-size:14px;color:#8b949e;margin-bottom:16px}
.result-box .card-display{background:rgba(0,217,146,.06);border:1px solid rgba(0,217,146,.3);border-radius:8px;padding:16px;margin:16px 0;font-family:"SFMono-Regular","Courier New",monospace;font-size:18px;font-weight:600;color:#00d992;letter-spacing:1px;word-break:break-all;user-select:all}
.result-box .order-info{text-align:left;font-size:13px;color:#8b949e;margin-top:16px;line-height:2}
.copy-btn{display:inline-block;padding:6px 16px;background:#101010;color:#2fd6a1;border:1px solid #00d992;border-radius:6px;cursor:pointer;font-size:13px;margin-top:8px}
.copy-btn:hover{background:rgba(0,217,146,.08)}
.loading{text-align:center;padding:40px;color:#8b949e}
.loading .spinner{display:inline-block;width:24px;height:24px;border:3px solid #3d3a39;border-top-color:#00d992;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.footer{text-align:center;padding:24px 0;font-size:12px;color:#8b949e}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:#050507}
::-webkit-scrollbar-thumb{background:#3d3a39;border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:#8b949e}
@media(max-width:768px){.store-wrap{max-width:100%}.product-card .p-name{font-size:15px}}
@media(max-width:480px){.store-wrap{padding:12px}.product-card .p-price{font-size:18px}.pay-methods{flex-direction:column}.pay-method{text-align:center}}