:root{--bg: #f6f7fb;--card: #ffffff;--border: #e5e7eb;--text: #111827;--muted: #6b7280;--brand: #4f46e5;--brand-weak: #eef2ff;--green: #059669;--red: #dc2626;--amber: #b45309}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;flex:1}.shop-shell{flex:1 0 auto;display:flex;flex-direction:column;max-width:720px;width:100%;margin:0 auto;padding:40px 16px 0}.site-footer{position:sticky;bottom:0;z-index:10;margin:auto -16px 0;padding:6px 16px;background:#ffffffd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border);font-size:12px;color:var(--muted)}.site-footer-bar{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;max-width:720px;margin:0 auto}.site-footer-sep{flex-shrink:0;width:1px;height:12px;background:var(--border)}.site-footer-item{display:inline-flex;align-items:center;gap:10px;min-width:0}.site-footer-item-label{color:var(--muted);opacity:.85}.site-footer-value{display:inline-flex;align-items:center;gap:4px;color:var(--text);font-weight:500;word-break:break-all;text-decoration:none}a.site-footer-value:hover{color:var(--brand);text-decoration:underline}.site-footer-qr{display:inline-flex;align-items:center;gap:5px;color:var(--text);font-weight:500}.site-footer-qr-thumb{width:24px;height:24px;object-fit:contain;background:#fff;border:1px solid var(--border);border-radius:4px;padding:1px}.site-footer-right{margin-left:auto;display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px}.site-footer-dot{opacity:.5}.site-footer-right a{color:var(--muted);text-decoration:none}.site-footer-right a:hover{color:var(--brand);text-decoration:underline}.shop-brand{display:flex;align-items:center;gap:10px;margin-bottom:28px}.shop-brand-badge{width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}.shop-brand-name{font-size:17px;font-weight:700}.shop-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:16px}.shop-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 6px}.shop-title{font-size:22px;font-weight:700;margin:0}.shop-promo{display:inline-flex;align-items:center;font-size:14px;font-weight:700;letter-spacing:1px;color:#fff;background:linear-gradient(135deg,#ff6b6b,#ff4757);padding:3px 12px;border-radius:999px;box-shadow:0 2px 10px #ff475766;animation:promo-pulse 1.6s ease-in-out infinite}@keyframes promo-pulse{0%,to{transform:scale(1);box-shadow:0 2px 10px #ff475766}50%{transform:scale(1.08);box-shadow:0 3px 16px #ff475799}}@media (prefers-reduced-motion: reduce){.shop-promo{animation:none}}.shop-sub{color:var(--muted);font-size:14px;margin:0 0 20px;line-height:1.6}.tier-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:18px}.tier-item{border:1.5px solid var(--border);border-radius:12px;padding:14px 12px;text-align:center;cursor:pointer;background:#fafafa;transition:all .15s;position:relative}.tier-item:hover{border-color:var(--brand)}.tier-item.active{border-color:var(--brand);background:var(--brand-weak)}.portal-link-inline{color:var(--brand);font-weight:500;text-decoration:none}.portal-link-inline:hover{text-decoration:underline}.tier-item.active:after{content:"";position:absolute;right:8px;bottom:8px;width:18px;height:18px;border-radius:9999px;background-color:var(--brand);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");background-size:11px;background-position:center;background-repeat:no-repeat;box-shadow:0 1px 3px #0003}.tier-months{font-size:17px;font-weight:600}.tier-price{margin-top:4px;font-size:23px;font-weight:700;color:var(--brand)}.tier-price small{font-size:13px;font-weight:400;color:var(--muted)}.tier-badge{position:absolute;top:6px;right:6px;font-size:11px;font-weight:600;background:linear-gradient(135deg,#ff6b6b,#ff4757);color:#fff;padding:2px 7px;border-radius:8px;line-height:1.3;box-shadow:0 1px 3px #ff47574d}.tier-original{margin-top:2px;font-size:14px;color:var(--muted);text-decoration:line-through}.field-label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}.field-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:9px;font-size:15px;outline:none;background:#fff}.field-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #4f46e51f}.channel-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:6px}.channel-item{border:1.5px solid var(--border);border-radius:12px;padding:12px;cursor:pointer;background:#fafafa;transition:all .15s;position:relative}.channel-item.active{border-color:var(--brand);background:var(--brand-weak)}.channel-item.active:after{content:"";position:absolute;right:10px;bottom:10px;width:18px;height:18px;border-radius:9999px;background-color:var(--brand);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");background-size:11px;background-position:center;background-repeat:no-repeat;box-shadow:0 1px 3px #0003}.channel-name{font-weight:600;font-size:14px}.channel-desc{font-size:12px;color:var(--muted);margin-top:3px;line-height:1.5}.addons-section{margin-top:18px}.addon-list{display:flex;flex-direction:column;gap:8px;margin-top:6px}.addon-item{display:flex;align-items:flex-start;gap:10px;border:1.5px solid var(--border);border-radius:12px;padding:12px;cursor:pointer;background:#fafafa;transition:all .15s}.addon-item:hover{border-color:var(--brand)}.addon-item.active{border-color:var(--brand);background:var(--brand-weak)}.addon-check{padding-top:2px}.addon-checkbox{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border:1.5px solid var(--border);border-radius:4px;background:#fff;color:transparent;font-size:12px;font-weight:800;transition:all .15s}.addon-checkbox.checked{background:var(--brand);border-color:var(--brand);color:#fff}.addon-body{flex:1;min-width:0}.addon-name{font-weight:600;font-size:14px;display:flex;align-items:center;gap:6px}.addon-badge{font-size:11px;font-weight:600;color:#fff;background:linear-gradient(135deg,#ff6b6b,#ee5a5a);padding:1px 6px;border-radius:8px}.addon-desc{font-size:12px;color:var(--muted);margin-top:3px}.addon-price{font-size:13px;margin-top:5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.addon-price strong{color:var(--brand);font-size:15px}.addon-original{color:var(--muted);text-decoration:line-through;font-size:12px}.addon-subtotal{color:var(--muted);font-size:12px}.price-summary{margin-top:16px;padding:12px 14px;background:#f7f8fa;border-radius:10px;border:1px solid var(--border)}.price-summary-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);padding:3px 0}.price-summary-total{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding-top:10px;border-top:1px dashed var(--border);font-size:14px;font-weight:600}.price-summary-amount{color:var(--brand);font-size:18px}.btn-primary{width:100%;margin-top:20px;padding:12px;border:none;border-radius:10px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{padding:8px 14px;border:1px solid var(--border);border-radius:9px;background:#fff;font-size:13px;cursor:pointer;color:var(--text)}.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}.qr-grid.qr-single{grid-template-columns:1fr;max-width:240px;margin-left:auto;margin-right:auto}.qr-box{border:1px solid var(--border);border-radius:12px;padding:12px;text-align:center}.qr-box img{width:100%;max-width:200px;border-radius:6px;display:block;margin:0 auto}.qr-label{margin-top:12px;font-size:17px;font-weight:700;letter-spacing:1px;display:flex;align-items:center;justify-content:center;gap:6px}.qr-label-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;font-size:13px;font-weight:800;color:#fff;flex-shrink:0}.qr-alipay .qr-label{color:#1677ff;font-family:-apple-system,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif}.qr-alipay .qr-label-icon{background:#1677ff}.qr-wechat .qr-label{color:#07c160;font-family:-apple-system,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif}.qr-wechat .qr-label-icon{background:#07c160}.amount-banner{background:var(--brand-weak);border-radius:10px;padding:12px 16px;font-size:15px;margin-bottom:14px}.amount-banner strong{color:var(--brand);font-size:20px}.hint-box{border-radius:10px;padding:12px 16px;font-size:13px;line-height:1.7;margin:12px 0}.hint-info{background:#eff6ff;color:#1d4ed8}.hint-warn{background:#fffbeb;color:var(--amber)}.hint-ok{background:#ecfdf5;color:var(--green)}.hint-err{background:#fef2f2;color:var(--red)}.code-once-warning{display:flex;align-items:center;gap:8px;margin:12px 0;padding:10px 14px;border-radius:10px;background:#fef3c7;border:1.5px solid #f59e0b;color:#92400e;font-size:13.5px;font-weight:700;line-height:1.6}.code-once-warning:before{content:"";flex-shrink:0;width:16px;height:16px;background-color:#f59e0b;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3'/%3E%3Cpath d='M12 9v4'/%3E%3Cpath d='M12 17h.01'/%3E%3C/svg%3E") center / contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3'/%3E%3Cpath d='M12 9v4'/%3E%3Cpath d='M12 17h.01'/%3E%3C/svg%3E") center / contain no-repeat}.code-display{font-size:26px;font-weight:700;letter-spacing:2px;text-align:center;background:var(--brand-weak);color:var(--brand);border-radius:12px;padding:20px 12px;margin:16px 0;-webkit-user-select:all;user-select:all}.status-line{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:10px;background:#fafafa;border:1px solid var(--border);font-size:14px}.status-dot{width:9px;height:9px;border-radius:50%;background:var(--amber);flex-shrink:0}.status-dot.ok{background:var(--green)}.status-dot.err{background:var(--red)}.error-text{color:var(--red);font-size:13px;margin-top:10px}@media (max-width: 520px){.channel-row,.qr-grid{grid-template-columns:1fr}}