:root{font-family:'Trebuchet MS','PingFang SC','Microsoft YaHei',sans-serif;color:#111;background:#f3f3f1;font-synthesis:none;--muted:#737373;--line:#e5e5e3;--red:#e5484d}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{outline-offset:5px}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:2px solid var(--red)}.logo{width:130px;height:44px;display:block}.home{padding:40px;min-height:100svh;display:flex;flex-direction:column;justify-content:center}.landing{max-width:1320px;width:100%;margin:auto;display:grid;grid-template-columns:1.06fr 1fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff;min-height:720px}.intro{padding:44px 56px;display:flex;flex-direction:column}.intro header{display:flex;align-items:center;justify-content:space-between}.badge{border:1px solid var(--line);border-radius:30px;padding:6px 12px;font-size:11px;color:var(--muted)}.intro main{flex:1;padding:80px 0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.eyebrow{font-size:11px;color:var(--muted);letter-spacing:.16em}.intro h1{font-size:clamp(40px,4vw,58px);line-height:1.4;letter-spacing:-.05em;font-weight:650;margin:20px 0}.muted{color:var(--muted);line-height:1.8;font-size:13px}.description{font-size:14px;margin:0 0 32px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;background:#111;color:#fff;border:1px solid #111;border-radius:7px;padding:13px 19px;font-size:13px;min-height:44px}.button:hover:not(:disabled){background:#333}.fine{font-size:11px;color:var(--muted);line-height:1.8}.intro .fine{margin-top:22px}.intro footer{font-size:11px;color:#999}.visual{position:relative;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}.visual:before{content:'';position:absolute;inset:0;background:radial-gradient(#ffffff20 .6px,transparent .7px);background-size:8px 8px;opacity:.4}.visual-top,.visual-bottom{position:absolute;left:36px;right:36px;font-family:Consolas,monospace;font-size:10px;letter-spacing:.12em;color:#888}.visual-top{top:42px}.visual-bottom{bottom:38px}.message-art{width:80%;position:relative;display:flex;flex-direction:column;align-items:center;transform:rotate(-6deg);animation:float 8s ease-in-out infinite}.art-label{font:10px Consolas,monospace;letter-spacing:.14em;color:#999}.wire{height:66px;width:1px;background:#555;margin:14px}.wire.short{height:42px}.bubble{width:100%;max-width:340px;border:1px solid #555;border-radius:16px 16px 16px 0;padding:34px 24px;background:#1b1b1b;font-size:20px;box-shadow:14px 16px 0 #ffffff08}.message-dot{display:inline-block;width:8px;height:8px;background:var(--red);border-radius:50%;margin-right:8px}.bubble small{display:block;font:9px Consolas,monospace;letter-spacing:.15em;color:#888;margin-top:26px}.page-footer{display:flex;justify-content:space-between;max-width:1320px;width:100%;margin:20px auto 0;font-size:11px;color:#888}.topbar{max-width:1280px;margin:auto;padding:26px 40px;display:flex;align-items:center;justify-content:space-between}.topbar>a:last-child{font-size:12px;color:var(--muted)}.workspace{max-width:1200px;margin:25px auto 70px;display:grid;grid-template-columns:280px 1fr;gap:64px;padding:0 40px}.sidebar{position:sticky;top:35px;align-self:start}.sidebar h1{font-size:36px;letter-spacing:-.05em;margin:20px 0}.sidebar .fine{margin-top:24px}.account-list{display:flex;flex-direction:column;gap:8px;margin:30px 0 14px}.account-choice{border:1px solid var(--line);border-radius:8px;background:transparent;text-align:left;padding:12px 14px;overflow-wrap:anywhere}.account-choice[aria-pressed=true]{background:#111;color:#fff;border-color:#111}.account-choice small{display:block;font-size:10px;opacity:.65;margin-top:5px}.secondary{background:#fff;color:#111;border:1px solid #ccc;border-radius:7px;padding:11px 16px;font-size:12px;min-height:42px}.steps{background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px 36px;min-width:0}.step{padding:28px 0 34px}.step+.step{border-top:1px solid var(--line)}.step-heading{display:flex;gap:18px;margin-bottom:24px}.step-no{font:11px Consolas,monospace;color:#999;padding-top:6px}.step h2{font-size:19px;margin:0 0 7px;letter-spacing:-.03em}.step-heading p{font-size:12px;color:var(--muted);line-height:1.8;margin:0}label{display:block;font-size:12px;margin:17px 0 9px}input,textarea{display:block;width:100%;border:1px solid #ddd;background:#fff;border-radius:7px;padding:12px;font-size:13px;color:#111;min-height:44px}input:focus,textarea:focus{outline:1px solid #111;outline-offset:0}textarea{resize:vertical}.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:20px}.account-info{padding:18px;background:#f6f6f4;border-radius:9px;margin-top:22px;font-size:12px;overflow-wrap:anywhere}.account-info>span{display:block;margin-top:6px;color:var(--muted)}dl{display:grid;grid-template-columns:80px 1fr;gap:10px;margin:20px 0}dt{color:var(--muted)}dd{margin:0;font-size:11px;word-break:break-all}.text-button{padding:0;background:none;border:none;text-decoration:underline;text-underline-offset:4px;font-size:11px;color:var(--muted);min-height:32px}.qr-panel{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:24px}.qr-panel img{background:#fff;image-rendering:pixelated;max-width:100%;height:auto}.qr-panel h3{font-size:15px}.inline{display:flex;gap:12px}.inline input{flex:1;min-width:0}.notice{padding:14px 16px;margin-top:22px;border:1px solid #ddd;border-radius:8px;font-size:12px;line-height:1.7;overflow-wrap:anywhere}.notice[data-error=true]{border-color:#f0c8c9;color:#b4232b;background:#fff7f7}#send-button{margin-top:20px}.setup-footer{max-width:1200px;margin:0 auto;padding:0 40px 30px;font-size:11px;color:#888;line-height:1.8}[hidden]{display:none!important}@keyframes float{50%{translate:0 -12px}}@media(max-width:900px){.home{padding:20px}.intro{padding:32px}.landing{min-height:650px}.intro h1{font-size:42px}.workspace{grid-template-columns:220px 1fr;gap:28px;padding:0 24px}.steps{padding:8px 24px}}@media(max-width:680px){.home{padding:16px}.landing{grid-template-columns:1fr;border-radius:18px}.intro{padding:26px}.intro main{padding:55px 0}.intro h1{font-size:44px}.visual{min-height:390px}.visual-top{top:24px}.visual-bottom{bottom:24px}.wire{height:32px}.bubble{font-size:18px;padding:24px}.topbar{padding:20px 22px}.workspace{grid-template-columns:1fr;margin-top:10px;gap:24px;padding:0 16px}.sidebar{position:static;padding:0 8px}.sidebar h1{font-size:30px;margin:14px 0}.account-list{margin:20px 0 12px;flex-direction:row;overflow:auto}.account-choice{min-width:140px}.sidebar>.muted{display:none}.steps{padding:4px 22px}.setup-footer{padding:0 24px 26px}.inline{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*{animation:none!important}}

.api-example{font:11px/1.8 Consolas,monospace;background:#f6f6f4;padding:18px;border-radius:8px;white-space:pre-wrap;overflow-wrap:anywhere;margin:24px 0}#push-token{font-family:Consolas,monospace;font-size:12px}

.sidebar h1{font-size:30px;line-height:1.4}.verification-panel{margin-top:20px;padding:20px;background:#f6f6f4;border-radius:8px}.verification-panel p{font-size:12px;color:#737373}.verification-panel strong{display:block;font:22px Consolas,monospace;user-select:all}.integration-heading{border-top:1px solid #e5e5e3;margin-top:28px;padding-top:20px}.integration-heading h3{font-size:14px}summary{font-size:11px;color:#737373;cursor:pointer;margin-top:14px}.use-cases{font-size:11px;color:#737373;line-height:2}.landing-faq{width:100%;max-width:1320px;margin:26px auto 0;color:#737373;font-size:12px}.landing-faq details{padding:12px 0;border-bottom:1px solid #e5e5e3}.landing-faq summary{font-size:12px;margin:0}.landing-faq p{line-height:1.9;max-width:700px}
.verification-panel strong{color:#c92b35;background:#fff0f0;border:1px solid #f0c8c9;border-radius:7px;padding:14px 16px;overflow-wrap:anywhere}.verification-panel .verification-hint{font-size:11px;color:#737373;line-height:1.9}.integration-token{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}.integration-token h3{font-size:14px;margin:0}.code-tabs{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line);margin-top:20px}.code-tabs button{border:0;background:none;padding:12px 16px;font-size:12px;color:#737373;border-bottom:2px solid transparent}.code-tabs button[aria-selected=true]{color:#111;border-bottom-color:#111;font-weight:700}.api-example{overflow:auto;white-space:pre;font-size:11px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}select{font:inherit;font-size:12px;padding:10px 12px;border:1px solid #ddd;border-radius:7px;background:#fff;color:#111;max-width:100%}#user-key-panel{margin:18px 0;padding:12px 16px;background:#f6f6f4;border-radius:8px}#user-key-panel summary{margin:0}#integration-panel{min-width:0}.code-tabs button:focus-visible{outline:2px solid var(--red);outline-offset:-4px}

.connection-status-panel{padding-bottom:24px;border-bottom:1px solid var(--line)}.backup-panel{margin-top:24px}.backup-panel textarea{width:100%;box-sizing:border-box;font-size:11px}.backup-panel .form-actions{flex-wrap:wrap}