:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#243829;background:#f4f5ef;font-synthesis:none;--green:#284c36;--muted:#7b847a;--line:#e0e5d9;--lime:#d5edac}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #91ad62;outline-offset:4px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.app-shell{min-height:100dvh;display:grid;grid-template-columns:340px 1fr;max-width:1700px;margin:auto}.sidebar{padding:48px 42px 28px;background:#edf0e5;border-right:1px solid var(--line);display:flex;flex-direction:column;position:relative;overflow:hidden}.brand{display:flex;gap:13px;align-items:center;font-size:27px;font-weight:650;letter-spacing:3px}.brand-symbol{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--green);color:var(--lime);font-size:30px;letter-spacing:0;font-weight:400}.brand-en{display:block;font-size:9px;letter-spacing:2px;font-weight:500;margin-top:2px}.side-intro{margin-top:72px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:600}.side-intro h1{font-size:31px;line-height:1.55;letter-spacing:1px;font-weight:500;margin:18px 0}.side-intro p{font-size:13px;color:var(--muted);line-height:1.9}.orbit{position:relative;width:240px;height:240px;margin:22px 0 20px -5px;display:grid;place-items:center}.orbit-ring{border:1px solid #cbd4bd;border-radius:50%;position:absolute;inset:17px}.ring-two{inset:0 40px;transform:rotate(35deg)}.orbit-core{font-size:67px;font-weight:350;letter-spacing:-4px;text-align:center;color:#486044}.orbit-core span{display:block;font-size:9px;letter-spacing:3px;margin:3px 0 0 7px}.orbit-dot{position:absolute;width:15px;height:15px;border:4px solid #edf0e5;background:#6d8753;border-radius:50%;top:35px;right:33px}.side-features{border-top:1px solid #d8dfcd;padding-top:16px;margin-top:auto}.side-features p{font-size:12px;margin:14px 0;color:#5c6e55}.side-features span{display:inline-block;width:26px;color:#486a39;font-size:17px}.text-button{border:0;background:none;color:#5c7151;font-size:12px;padding:6px 0;text-align:left}.sidebar>.text-button{margin-top:14px;font-size:11px}.sidebar footer{font-size:11px;color:#8a9282;margin-top:38px}.sidebar footer span{display:block;font-size:8px;letter-spacing:1.5px;margin-top:12px}.main-panel{min-width:0;padding:0 54px;display:flex;flex-direction:column}.topbar{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px;flex-shrink:0}.workspace-label{display:flex;align-items:center;gap:9px}.status-dot{display:inline-block;background:#77975c;height:7px;width:7px;border-radius:50%;margin-right:7px}.status-dot.waiting{background:#c7a264}.top-note{font-size:11px;color:#90978b}.welcome{margin:auto;text-align:center;padding:58px 0 60px;width:100%}.welcome-badge{display:inline-block;font-size:11px;color:#71865f;background:#e9eedf;padding:8px 13px;border-radius:20px}.welcome h2{font-size:36px;font-weight:500;letter-spacing:1px;margin:25px 0 17px}.welcome-description{font-size:13px;color:var(--muted);line-height:1.9}.create-card{text-align:left;max-width:440px;margin:36px auto 26px;padding:27px 30px 16px;background:#fffef9;border:1px solid #e2e7d9;border-radius:17px;box-shadow:0 10px 35px #263e2105}.card-top{display:flex;justify-content:space-between;align-items:center}.card-icon{width:38px;height:38px;background:#ebf1df;display:grid;place-items:center;border-radius:10px;font-size:25px;color:#52703e}.small-label{font-size:8px;letter-spacing:1.5px;color:#96a28b}.create-card h3{font-size:20px;font-weight:500;margin:24px 0 9px}.create-card p{font-size:12px;color:var(--muted)}.primary-button{display:flex;align-items:center;justify-content:space-between;width:100%;padding:15px 18px;background:var(--green);color:#f4f8eb;border:0;border-radius:8px;font-size:13px;margin-top:24px;transition:background .2s}.primary-button:hover{background:#365e43}.primary-button span{font-size:20px;line-height:16px;color:var(--lime)}.create-card .card-footnote{font-size:10px;text-align:center;margin-top:14px;color:#9ba38e}.welcome-meta{display:flex;justify-content:center;gap:24px;color:#758468;font-size:10px}.security-note{font-size:10px;color:#939b8b;margin:25px 0 0;line-height:1.8}.main-footer{height:55px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);font-size:9px;color:#929b87;margin-top:auto;flex-shrink:0}.main-footer span:first-child{letter-spacing:1px;font-size:8px}.chat{display:flex;flex-direction:column;height:calc(100dvh - 155px);min-height:500px;padding-top:25px;padding-bottom:20px}.chat-heading{display:flex;justify-content:space-between;align-items:center}.chat-heading h2{font-weight:500;font-size:24px;margin:8px 0 20px}.chat-heading h2 span{font-size:10px;color:#8a967d;margin-left:12px;vertical-align:middle;font-family:monospace}.quiet-button{background:none;border:1px solid #d4ddcb;border-radius:7px;padding:8px 12px;font-size:11px;color:#6f7c65}.connection-strip{display:flex;justify-content:space-between;align-items:center;font-size:11px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:12px}.connection-strip .text-button{font-size:11px}.invite-panel{background:#eaf0df;border-radius:10px;padding:18px 20px;margin:18px 0 4px;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.invite-panel strong{font-size:12px;font-weight:500}.invite-panel p{font-size:10px;color:#7b896d;margin:7px 0 0}.invite-panel .secondary-button{margin-left:auto}.secondary-button{background:#f8faf2;border:1px solid #cfdac1;border-radius:7px;color:#45633b;padding:10px 12px;font-size:11px}.invite-panel input{width:100%;font-size:11px;padding:8px;border:1px solid #d9e3cb;background:#f5f8ed;border-radius:5px;color:#798b6a}.messages{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:24px 0;scrollbar-width:thin;scrollbar-color:#cad5bd transparent}.empty-chat{height:100%;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.empty-chat>span{font-size:36px;color:#94a982;font-weight:300;background:#eaf0df;border-radius:50%;width:66px;height:66px;display:grid;place-items:center}.empty-chat h3{font-weight:400;font-size:17px;margin:20px 0 0}.empty-chat p{font-size:11px;color:#8c9683;line-height:2}.message{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 21px}.message.mine{align-items:flex-end}.message-meta{color:#8e9984;font-size:9px;margin:0 3px 7px}.bubble{max-width:min(78%,520px);padding:12px 16px;background:#fffef9;border:1px solid #e2e7d9;border-radius:0 13px 13px 13px;font-size:13px;line-height:1.7;overflow-wrap:anywhere;white-space:pre-wrap}.mine .bubble{background:#e1eccf;border-color:#d8e4c5;border-radius:13px 0 13px 13px}.bubble img{display:block;max-width:100%;max-height:290px;object-fit:contain;border-radius:5px}.bubble audio{display:block;max-width:100%;width:260px;height:40px}.message-expiry{font-size:9px;color:#929e88;display:flex;gap:10px;margin:6px 3px 0}.composer{display:flex;align-items:flex-end;background:#fffef9;border:1px solid #dbe3d1;padding:11px;border-radius:11px;gap:12px}.composer-tools{display:flex;gap:4px}.icon-button{display:grid;place-items:center;width:33px;height:36px;color:#6c825d;background:none;border:0;font-size:24px;border-radius:5px}.icon-button:hover{background:#edf2e4}.composer textarea{flex:1;min-width:0;resize:none;background:none;border:0;outline:none;padding:8px 0;line-height:20px;font-size:12px;color:#304a2e;max-height:100px}.composer textarea::placeholder{color:#a2aa98}.send-button{border:0;background:var(--green);color:#e1edcd;height:36px;width:38px;border-radius:7px;font-size:23px}.composer-caption{display:flex;justify-content:space-between;color:#929c87;font-size:9px;margin-top:10px;gap:10px}.recording-panel{display:flex;gap:10px;align-items:center;padding:12px;background:#eaf0df;border-radius:8px;margin-bottom:10px;font-size:12px}.recording-panel .text-button{margin-left:auto}.record-light{height:8px;width:8px;border-radius:50%;background:#b86c54;animation:pulse 1s infinite}.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);background:#263e2c;color:#f3f7ec;border-radius:9px;padding:13px 20px;font-size:12px;max-width:90vw;z-index:30;box-shadow:0 10px 40px #0002}.curtain{position:fixed;inset:0;background:#edf0e5;z-index:100;display:flex;flex-direction:column;justify-content:center;align-items:center}.curtain h2{font-weight:500}.curtain p{font-size:13px;color:var(--muted)}.curtain .primary-button{width:200px;justify-content:center}dialog{border:1px solid #dce4d0;border-radius:17px;max-width:520px;width:calc(100% - 36px);padding:38px;background:#fafbf5;color:#2c442e;box-shadow:0 25px 90px #14210f33}dialog::backdrop{background:#15280f55;backdrop-filter:blur(5px)}dialog h2{font-weight:500;font-size:23px;line-height:1.5}dialog p{font-size:12px;line-height:1.9;color:#78856e}.dialog-close{position:absolute;right:15px;top:13px;border:0;background:none;font-size:25px;color:#74856c}.dialog-note{padding:12px;background:#edf0e5;border-radius:7px}#fingerprint{display:block;font-size:16px;line-height:2.2;letter-spacing:2px;color:#3c602e;background:#eaf0df;padding:18px;border-radius:8px;overflow-wrap:anywhere}.offline-notice{font-size:11px;text-align:center;color:#8b7e62;margin:12px 0}.image-loading{font-size:12px;color:var(--muted)}@keyframes pulse{50%{opacity:.35}}
@media(min-width:1500px){.main-panel{padding:0 85px}.sidebar{padding-left:52px;padding-right:52px}.app-shell{grid-template-columns:370px 1fr}}
@media(max-width:1050px){.app-shell{grid-template-columns:270px 1fr}.sidebar{padding:35px 28px}.side-intro h1{font-size:26px}.orbit{width:205px;height:205px}.main-panel{padding:0 30px}.top-note{display:none}.welcome h2{font-size:29px}.welcome-meta{gap:15px}.welcome-description{font-size:12px}.welcome{padding:40px 0}.side-intro{margin-top:55px}}
@media(max-width:740px){.app-shell{display:block}.sidebar{display:none}.main-panel{padding:0 20px;min-height:100dvh}.topbar{height:65px}.workspace-label{font-size:11px}.workspace-label:before{content:'↗ 一时';font-size:19px;letter-spacing:2px;margin-right:15px}.workspace-label>.status-dot{display:none}.welcome{padding:55px 0 35px}.welcome h2{font-size:27px}.welcome-description{font-size:12px}.create-card{margin-top:30px;padding:24px 23px 14px}.security-note{font-size:9px;margin:24px 10px 0}.main-footer{height:48px;font-size:8px}.main-footer span:last-child{font-size:8px}.chat{height:calc(100dvh - 65px);min-height:0;padding-top:20px;padding-bottom:max(16px,env(safe-area-inset-bottom))}.main-panel:has(.chat:not([hidden])) .main-footer{display:none}.chat-heading h2{font-size:21px}.chat-heading .eyebrow{font-size:8px}.chat-heading h2 span{font-size:9px;margin-left:5px}.invite-panel{padding:14px;gap:12px}.invite-panel .secondary-button{margin-left:0}.invite-panel p{line-height:1.8}.invite-panel input{font-size:10px}.connection-strip{font-size:10px}.connection-strip .text-button{font-size:10px}.composer{gap:5px;padding:8px}.composer textarea{font-size:16px}.icon-button{width:30px}.composer-caption{font-size:8px}.composer-caption span:last-child{max-width:43%;text-align:right}.bubble{max-width:87%;font-size:14px}.messages{padding:20px 0}.recording-panel{gap:8px;font-size:11px}.recording-panel .secondary-button{font-size:10px;padding:9px}.recording-panel .text-button{font-size:11px}dialog{padding:30px 24px}#fingerprint{font-size:14px;letter-spacing:1px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}