:root{color-scheme:light;--ink:#20242c;--muted:#7b818d;--blue:#2563eb;--line:#e9ecf1;--bg:#f8f9fb;--green:#25865a;--orange:#a26c17;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,summary,select,textarea{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}a{color:var(--blue);text-decoration:none}[hidden]{display:none!important}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #a7c5ff;outline-offset:3px}button:disabled{opacity:.55;cursor:wait}button,input,select,textarea{border-radius:10px}.demo-banner{text-align:center;background:#fff5df;color:#906414;font-size:11px;line-height:1.5;padding:9px 12px;letter-spacing:.02em}.phone-page{width:100%;max-width:440px;margin:0 auto;padding:44px 24px calc(24px + env(safe-area-inset-bottom));min-height:90vh}.page-head{text-align:center;margin:0 0 35px}.brand-mark{width:52px;height:52px;display:grid;place-items:center;margin:0 auto 17px;background:#fff;border:1px solid var(--line);border-radius:16px;color:#424e65}.brand-mark svg{width:31px;height:31px}h1{font-size:25px;font-weight:650;letter-spacing:-.04em;margin:0}h2{font-size:21px;font-weight:620;letter-spacing:-.025em;margin:3px 0 10px}.page-head p{font-size:13px;color:var(--muted);margin:8px 0 0}.step-track{display:flex;align-items:center;gap:10px;margin:0 2px 32px;font-size:11px;color:#9ba2ae;white-space:nowrap}.step-track i{height:1px;background:#dfe3ea;flex:1}.step-track .current{color:var(--ink);font-weight:600}.step-track .done{color:var(--green)}.step-panel{padding:28px 24px 21px;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:0 4px 22px rgba(24,34,58,.025)}.section-kicker{font-size:11px;color:var(--muted);letter-spacing:.08em;margin:0 0 10px}.description{color:var(--muted);font-size:13px;line-height:1.85;margin:0 0 22px}.permission-note{display:flex;align-items:flex-start;gap:9px;background:#f7f8fa;padding:13px 14px;border-radius:9px;margin:0 0 24px}.permission-note p{color:#737b89;font-size:11px;line-height:1.85;margin:0}.tiny-dot{width:5px;height:5px;border-radius:50%;background:#9aa5b8;flex-shrink:0;margin-top:8px}.button{width:100%;min-height:48px;padding:12px 16px;display:flex;justify-content:center;align-items:center;border:1px solid transparent;border-radius:10px;font-size:14px;font-weight:550;text-align:center;transition:background .15s}.button.primary{background:var(--blue);color:white}.button.primary:hover{background:#1c54d4}.button.secondary{background:#f4f6fa;border-color:var(--line);color:#424a5b}.text-button{background:none;border:0;color:var(--muted);padding:10px 4px;min-height:44px;font-size:12px;line-height:1.6}.text-button:hover{color:var(--blue)}.help{border-top:1px solid var(--line);margin:24px 0 0;padding-top:17px;color:var(--muted);font-size:12px}.help summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;min-height:28px}.help summary::-webkit-details-marker{display:none}.help summary:after{content:"＋";color:#a2a8b3}.help[open] summary:after{content:"−"}.help ol{padding-left:17px;line-height:1.9}.help li{margin:9px 0}.help a{font-size:11px}.page-footer{text-align:center;margin:19px 0 0}.page-footer p{font-size:10px;color:#acb1bb;margin:14px 0;letter-spacing:.06em}.notice{font-size:12px;line-height:1.8;padding:12px 15px;background:#fff0ed;color:#a04b38;border:1px solid #f5dcd5;border-radius:10px;margin:0 0 16px}.notice.info{background:#edf3ff;color:#44618f;border-color:#dbe5f9}.device-summary{background:#f7f9f8;border:1px solid #edf1ef;border-radius:9px;padding:10px 13px;margin-bottom:26px}.device-summary summary{display:flex;justify-content:space-between;cursor:pointer;list-style:none;font-size:11px;color:#566b60;min-height:24px}.device-summary summary::-webkit-details-marker{display:none}.device-summary p{margin-bottom:0;overflow-wrap:anywhere}.summary-check{color:var(--green)}.small{font-size:12px}.muted{color:var(--muted)}.field-label{display:block;font-size:12px;color:#676f7e;margin-bottom:8px}.card-input{width:100%;min-height:50px;border:1px solid #dfe3eb;background:#fff;padding:12px;font-size:16px;color:var(--ink);margin-bottom:18px;outline:none;letter-spacing:.01em}.card-input:focus{border-color:#89acf7;box-shadow:0 0 0 3px #edf3ff}.card-input::placeholder{font-size:13px;color:#a4aab4}.sku-preview{display:flex;flex-direction:column;gap:7px;padding:17px 0 22px}.sku-preview strong{font-size:25px;font-weight:600}.order-panel{text-align:center;padding-top:33px}.order-symbol{width:52px;height:52px;display:grid;place-items:center;margin:0 auto 19px;border-radius:50%;background:#f2f5fc;color:var(--blue);font-size:26px}.order-symbol.working span{display:block;width:22px;height:22px;border:2px solid #d9e4ff;border-top-color:var(--blue);border-radius:50%;animation:spin 1s linear infinite}.order-symbol.complete{background:#edf7f1;color:var(--green)}.order-symbol.attention{background:#fff7e7;color:var(--orange)}.order-progress{display:flex;justify-content:center;gap:30px;margin:24px 0 4px;font-size:11px;color:#9da6b5}.order-progress span:before{content:"○";margin-right:7px}.order-progress .done{color:var(--green)}.order-progress .done:before{content:"✓"}.order-progress .current{color:var(--blue)}.warranty-row{margin:20px 0 0;display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--muted)}.warranty-row strong{font-weight:500;color:#626a77}.order-details{text-align:left}.order-details dl{margin:15px 0}.order-details dt{font-size:10px;color:#939aa6;margin-top:13px}.order-details dd{margin:2px 0 0;font-size:12px;color:#505867;overflow-wrap:anywhere}.password-field{display:flex;gap:8px;align-items:center}.password-field input{width:100%;min-width:0;border:1px solid var(--line);padding:9px;font-size:13px}.password-field button{flex-shrink:0}.message-page{max-width:440px;margin:80px auto;padding:24px}.message-page h1{font-size:22px}.message-page p{color:var(--muted)}#install-wait{text-align:center;margin-top:20px}#install-wait p{margin-bottom:15px}#another-order{margin-top:12px}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:360px){.phone-page{padding:32px 18px}.step-panel{padding:23px 19px}.step-track{gap:6px;font-size:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}