:root{--bg: #0e1621;--card: #17212b;--card-2: #1c2b3a;--text: #eef2f6;--muted: #8fa3b5;--primary: #3390ec;--primary-hover: #4aa0f0;--danger: #e0533d;--border: #24313d;--radius: 14px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.screen{min-height:100%;display:flex;justify-content:center;padding:20px 14px calc(28px + env(safe-area-inset-bottom))}.card{width:100%;max-width:480px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 18px;margin-top:8px;box-shadow:0 8px 30px #00000040}.brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}.brand-logo{display:block;width:36px;height:36px;border-radius:9px}.brand-name{font-size:18px;font-weight:700;letter-spacing:.2px}.title{font-size:20px;font-weight:700;margin:0 0 10px}.text{color:var(--muted);white-space:pre-line;line-height:1.45;margin:0 0 16px;font-size:15px}.btn-list{display:flex;flex-direction:column;gap:10px;margin-top:12px}.btn{display:block;width:100%;text-align:center;text-decoration:none;padding:13px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--card-2);color:var(--text);font-size:15px;font-weight:500;cursor:pointer;transition:background .15s,transform .05s}.sub-type-logo{height:16px;width:16px;vertical-align:-3px;object-fit:contain}.btn:hover:not(:disabled){background:#22344a}.btn:active:not(:disabled){transform:scale(.99)}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--muted);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--card-2)}.input{width:100%;padding:13px 14px;border-radius:var(--radius);border:1px solid var(--border);background:#0f1a24;color:var(--text);font-size:16px;outline:none;margin-bottom:12px}.input:focus{border-color:var(--primary)}.code-input{text-align:center;letter-spacing:12px;font-size:26px;font-weight:700}.error-box{background:#e0533d1f;border:1px solid rgba(224,83,61,.4);color:#f2b8ad;padding:10px 12px;border-radius:10px;font-size:14px;margin-bottom:12px}.dev-code{background:#3390ec1f;border:1px dashed rgba(51,144,236,.5);color:#bcd9f7;padding:8px 12px;border-radius:10px;font-size:14px;margin-bottom:12px;text-align:center}.region-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.chip{flex:1 1 auto;min-width:72px;padding:11px 10px;border-radius:var(--radius);border:1px solid var(--border);background:var(--card-2);color:var(--text);cursor:pointer;font-size:15px}.chip-active{background:var(--primary);border-color:var(--primary);color:#fff}.config-view{display:flex;flex-direction:column;align-items:center}.qr{width:220px;height:220px;background:#fff;padding:8px;border-radius:12px;margin-bottom:12px}.config-text{width:100%;max-height:180px;overflow:auto;background:#0f1a24;border:1px solid var(--border);border-radius:10px;padding:12px;font-size:12px;line-height:1.4;white-space:pre-wrap;word-break:break-all;color:#cfe0ee}.link-box{background:#0f1a24;border:1px solid var(--border);border-radius:10px;padding:12px;font-size:13px;color:#bcd9f7;word-break:break-all;cursor:pointer;margin-bottom:8px}.copy-row{margin-bottom:16px}.copy-label{color:var(--muted);font-size:13px;margin-bottom:6px}.faq-item{background:var(--card-2);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:10px}.faq-item summary{cursor:pointer;font-weight:600}.faq-item p{color:var(--muted);white-space:pre-line;margin:10px 0 0;font-size:14px}.spinner-wrap{display:flex;flex-direction:column;align-items:center;padding:24px 0}.spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}