:root{--background:#f3f5f7;--surface:#ffffff;--surface-muted:#eef1f4;--ink:#17202a;--muted:#64707d;--line:#dce1e6;--accent:#087f5b;--accent-dark:#056647;--sent:#d9f7be;--shadow:0 8px 24px rgba(24,32,42,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--ink);font-family:Arial,Microsoft YaHei,sans-serif;letter-spacing:0}button,input{font:inherit}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:0 14px;border:1px solid transparent;border-radius:6px;text-decoration:none;cursor:pointer}.primary-button{background:var(--accent);color:white}.primary-button:hover{background:var(--accent-dark)}.secondary-button{border-color:var(--line);background:var(--surface);color:var(--ink)}.primary-button.compact{min-height:34px;padding:0 11px;font-size:13px}.primary-button:disabled,.secondary-button:disabled{cursor:wait;opacity:.65}.shell{width:min(780px,calc(100% - 32px));margin:0 auto;padding:28px 0 48px}.topbar{display:grid;grid-template-columns:1fr auto;grid-gap:20px;gap:20px;align-items:end;margin-bottom:20px}.topbar h1{margin:0 0 6px;font-size:28px;font-weight:700}.status,.subtitle{margin:0;color:var(--muted);font-size:14px}.toolbar{display:flex;gap:10px;align-items:center}.toolbar .secondary-button{flex-shrink:0;white-space:nowrap}.search{width:min(380px,100%);height:40px;border:1px solid var(--line);border-radius:6px;background:var(--surface);padding:0 12px;color:var(--ink);font-size:14px;outline:none}.search:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(8,127,91,.12)}.dialog-overlay{position:fixed;inset:0;z-index:100;background:rgba(23,32,42,.48)}.dialog-content{position:fixed;top:50%;left:50%;z-index:101;width:min(420px,calc(100% - 32px));padding:24px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 20px 48px rgba(16,24,40,.2);transform:translate(-50%,-50%)}.dialog-title{margin:0 36px 20px 0;font-size:20px}.dialog-close{position:absolute;top:16px;right:16px;display:grid;place-items:center;width:34px;height:34px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer}.dialog-close:hover{background:var(--surface-muted);color:var(--ink)}.admin-email{display:flex;align-items:center;gap:9px;overflow-wrap:anywhere;color:var(--accent-dark);font-weight:600}.summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;margin-bottom:16px}.metric{padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 1px 2px rgba(16,24,40,.08)}.metric-label{color:var(--muted);font-size:13px}.metric-value{margin-top:4px;font-size:22px;font-weight:700}.group-list{display:grid;grid-gap:10px;gap:10px}.group-row{display:grid;grid-template-columns:auto 1fr auto;grid-gap:14px;gap:14px;align-items:center;min-height:78px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:inherit;text-decoration:none;box-shadow:0 1px 2px rgba(16,24,40,.08)}.group-row:hover{border-color:var(--accent);box-shadow:0 4px 16px rgba(16,24,40,.08)}.avatar{display:grid;place-items:center;width:48px;height:48px;overflow:hidden;border-radius:8px;background:#eef1f5;color:var(--muted);font-weight:700}.avatar img{width:100%;height:100%;object-fit:cover}.group-main{min-width:0}.group-name{margin:0 0 5px;overflow:hidden;font-size:16px;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.group-meta{display:flex;flex-wrap:wrap;gap:8px 14px;color:var(--muted);font-size:13px}.open-label{color:var(--accent);font-size:14px;font-weight:600;white-space:nowrap}.empty,.error{padding:24px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--muted)}.chat-error,.error{color:#b42318}.chat-page-shell{min-height:100vh;padding-top:66px}.chat-toolbar{position:fixed;z-index:10;top:0;left:0;right:0;display:grid;grid-template-columns:42px minmax(0,1fr) auto;grid-gap:12px;gap:12px;align-items:center;min-height:66px;padding:8px max(14px,calc((100% - 920px) / 2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.96)}.chat-toolbar-actions{display:flex;align-items:center;gap:10px}.chat-toolbar-actions .chat-search{width:min(340px,28vw)}.icon-button{display:grid;place-items:center;width:38px;height:38px;color:var(--ink)}.icon-button:hover{background:var(--surface-muted)}.chat-title{min-width:0}.chat-title h1{margin:0;overflow:hidden;font-size:16px;text-overflow:ellipsis;white-space:nowrap}.chat-title p{margin:2px 0 0;color:var(--muted);font-size:12px}.chat-search{display:flex;align-items:center;gap:9px;height:38px;padding:0 12px;border:1px solid var(--line);background:var(--surface-muted)}.chat-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(8,127,91,.12)}.chat-search input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--ink)}.chat-search button{display:grid;padding:3px;border:0;background:transparent;cursor:pointer}.chat-content{width:min(780px,100%);min-height:calc(100vh - 66px);margin:0 auto;padding:28px 18px 80px}.chat-error,.chat-loading{width:min(780px,calc(100% - 36px));margin:30px auto;padding:24px;background:var(--surface)}.date-divider{display:flex;justify-content:center;margin:24px 0 18px}.date-divider span,.system-message{padding:5px 10px;border-radius:4px;background:#dfe4e8;color:#5c6670;font-size:12px}.system-message{width:-moz-fit-content;width:fit-content;max-width:80%;margin:18px auto;text-align:center}.message-row{display:flex;gap:10px;align-items:flex-start;margin:14px 0}.message-row.sent{flex-direction:row-reverse}.message-avatar{display:grid;flex:0 0 40px;place-items:center;width:40px;height:40px;overflow:hidden;border-radius:5px;background:#cbd5d0;color:#33433c;font-weight:700}.message-avatar img{width:100%;height:100%;object-fit:cover}.message-column{max-width:min(72%,560px)}.message-sender{margin:0 0 4px;color:var(--muted);font-size:12px}.message-row.sent .message-column{display:flex;flex-direction:column;align-items:flex-end}.message-bubble{position:relative;min-width:74px;padding:10px 12px 20px;border:1px solid var(--line);border-radius:5px;background:var(--surface);box-shadow:0 1px 2px rgba(24,32,42,.04)}.message-row.sent .message-bubble{border-color:#b8df9d;background:var(--sent)}.message-text,.voice-transcript{margin:0;overflow-wrap:anywhere;white-space:pre-wrap;font-size:14px;line-height:1.65}.message-time{position:absolute;right:7px;bottom:4px;color:var(--muted);font-size:10px}.message-image,.message-video{display:block;width:min(360px,100%);max-height:480px;object-fit:contain}.message-emoji{display:block;width:auto;max-width:150px;max-height:150px}.message-voice audio{max-width:280px;height:34px}.voice-transcript{margin-top:8px;color:var(--muted)}.file-message{display:flex;align-items:center;gap:10px;min-width:210px;color:var(--ink)}.file-message span{overflow-wrap:anywhere;font-size:13px}.forwarded-record{min-width:260px;margin-top:9px;border-top:1px solid var(--line);padding-top:8px}.forwarded-record summary{cursor:pointer;font-size:13px;font-weight:700}.forwarded-record ul{margin:8px 0 0;padding:0;list-style:none}.forwarded-record li{padding:7px 0;border-top:1px solid var(--line)}.forwarded-record li div{display:flex;justify-content:space-between;gap:12px;font-size:12px}.forwarded-record li time{color:var(--muted)}.forwarded-record li p{margin:4px 0 0;font-size:13px}.chat-empty{padding:48px;text-align:center;color:var(--muted)}.latest-button{position:fixed;right:max(24px,calc((100vw - 780px) / 2 + 18px));bottom:24px;display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--accent);box-shadow:var(--shadow);cursor:pointer}.purchase-shell{width:min(560px,calc(100% - 28px));margin:0 auto;padding:28px 0}.back-link{display:inline-flex;align-items:center;gap:7px;margin-bottom:28px;color:var(--ink);text-decoration:none}.purchase-panel{padding:30px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow);text-align:center}.purchase-panel h1{margin:8px 0 22px;font-size:24px}.eyebrow{margin:0;color:var(--accent);font-size:13px;font-weight:700}.price{font-size:42px;font-weight:750}.price span{font-size:22px}.purchase-note{margin:12px 0 24px;color:var(--muted);font-size:14px}.purchase-button{width:100%}.loading-icon{animation:spin .8s linear infinite}.checkout-ready p{margin:0 0 12px;color:var(--accent-dark);font-size:14px;font-weight:700}@keyframes spin{to{transform:rotate(1turn)}}.inline-error{margin:14px 0;padding:12px 14px;border:1px solid #f3b9b3;border-radius:6px;background:#fff5f4;color:#b42318}.orders-header{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}.orders-title-row{display:flex;gap:10px;align-items:center}.orders-title-row h1{margin:0;font-size:26px}.orders-title-row p{margin:4px 0 0;color:var(--muted);font-size:13px}.order-list{display:grid;grid-gap:12px;gap:12px}.order-item{padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.order-main{display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-gap:12px;gap:12px;align-items:center}.order-avatar{display:grid;place-items:center;width:46px;height:46px;overflow:hidden;border-radius:7px;background:var(--surface-muted);color:var(--muted)}.order-avatar img{width:100%;height:100%;object-fit:cover}.order-main h2{margin:0 0 4px;font-size:16px}.order-main p{margin:0;overflow:hidden;text-overflow:ellipsis}.order-main p,.order-status{color:var(--muted);font-size:12px}.order-status{padding:4px 8px;border-radius:4px;background:var(--surface-muted)}.order-status.success{background:#e6f5ef;color:var(--accent-dark)}.order-status.fail{background:#fff0ef;color:#b42318}.order-actions{display:flex;justify-content:flex-end;gap:14px;align-items:center;margin-top:14px;padding-top:12px}.delivery-grid,.order-actions{border-top:1px solid var(--line)}.delivery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px;margin-top:16px;padding-top:16px}.qr-item{text-align:center}.qr-item h3{margin:0 0 10px;font-size:14px}.qr-item img{width:min(240px,100%);aspect-ratio:1;object-fit:contain;border:1px solid var(--line)}.qr-item p{color:var(--muted)}@media (max-width:680px){.shell{width:min(100% - 20px,780px);padding-top:18px}.topbar{grid-template-columns:1fr;align-items:stretch;gap:14px}.toolbar{width:100%;flex-wrap:wrap}.toolbar .secondary-button{flex:1 1;padding:0 8px}.toolbar .search{flex:0 0 100%;width:100%}.summary{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:12px}.metric{min-width:0;padding:9px 6px;text-align:center}.metric-label{font-size:11px;white-space:nowrap}.metric-value{margin-top:3px;overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.group-row{grid-template-columns:auto 1fr}.open-label{grid-column:2}.chat-page-shell{padding-top:112px}.chat-toolbar{grid-template-columns:38px 1fr;padding:8px 10px}.chat-toolbar-actions{grid-column:1/-1;width:100%}.chat-toolbar-actions .chat-search{width:auto;flex:1 1}.chat-content{padding:18px 10px 72px}.message-column{max-width:calc(100% - 52px)}.message-avatar{flex-basis:36px;width:36px;height:36px}.latest-button{right:14px;bottom:14px}.orders-header{align-items:flex-start}.orders-header .secondary-button{width:40px;padding:0;font-size:0}.order-actions{flex-wrap:wrap}.delivery-grid{grid-template-columns:1fr}}