*{box-sizing:border-box}body{margin:0;background:#edf6fe;font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei",sans-serif;color:#101b2b}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}.welcome{width:100%;max-width:680px;margin:auto}.reference{position:relative;width:100%;aspect-ratio:590 / 1109;overflow:hidden;background:#edf6fe}.reference>img{position:absolute;width:100%;height:auto;left:0;top:-6.221821%;display:block}.start{position:absolute;left:7.6271%;top:80.0721%;width:84.5763%;height:6.9432%;border:0;border-radius:12px;background:transparent}.start:hover{background:#ffffff12}.start:focus-visible{outline:3px solid #fff;outline-offset:-7px}.start:disabled{background:#ffffff88}.start:disabled:after{content:'正在连接…';display:block;padding:8px;background:#1477ef;color:#fff;font-size:20px;border-radius:10px}#start-error{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:90%;padding:14px 22px;border-radius:12px;color:white;background:#263348;box-shadow:0 5px 25px #0003;z-index:5}.chat{max-width:680px;margin:auto;background:#f3f7fc;height:100dvh;display:flex;flex-direction:column}.chat header{display:flex;align-items:center;gap:10px;background:linear-gradient(115deg,#c6efff,#8fd3fb);color:#225687;padding:15px 16px}.chat header button{font-size:36px;border:0;background:none;color:#276a9f;padding:0 4px 0 0}.avatar{flex:none;width:44px;height:40px;background:url(/hero-blue-apps-v141.webp) -19px -70px / 425.5px auto no-repeat;border-radius:9px}h1{font-size:18px;margin:0 0 5px}header p{font-size:12px;color:#47769c;margin:0}.secure{margin-left:auto;flex:none;text-align:center;color:#235c90;border:1px solid #ffffff80;background:#ffffff50;padding:7px 10px;border-radius:12px;line-height:1.5}.secure strong{display:block;font-size:14px}.secure small{display:block;font-size:10px;white-space:nowrap}.chat-brand{min-width:0}.chat-brand h1{white-space:nowrap}.session-bar{display:flex;justify-content:space-between;gap:8px;font-size:13px;padding:12px 16px;background:#fff;color:#788597}.session-bar b{color:#3d526d}.messages{flex:1;overflow:auto;padding:20px 16px;min-height:0;scroll-behavior:smooth}.intro{text-align:center;border-radius:12px;padding:15px;background:#e6f0fe;color:#527197;line-height:1.8;font-size:16px;margin-bottom:24px}.message{max-width:85%;width:fit-content;margin-bottom:18px}.message.visitor{margin-left:auto}.bubble{background:#fff;border:1px solid #e7edf5;padding:12px 15px;border-radius:3px 14px 14px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px;line-height:1.65}.visitor .bubble{background:#2479ed;color:white;border:0;border-radius:14px 3px 14px 14px}.bubble a{color:inherit;display:block}.bubble img,.bubble video{max-width:100%;max-height:280px;border-radius:7px;display:block}.bubble audio{max-width:100%}.meta{font-size:12px;color:#8b99aa;margin-top:5px}.visitor .meta{text-align:right}#composer{background:#fff;padding:10px 16px max(10px,env(safe-area-inset-bottom));border-top:1px solid #e9edf4}.tools{display:flex;gap:18px;align-items:center;margin-bottom:8px}.tools button,.upload{font-size:26px;line-height:1;border:0;background:none;color:#647b99;cursor:pointer;position:relative;overflow:hidden}.upload input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.tools span{font-size:12px;margin-left:auto;color:#a1aaba}.input-row{display:flex;align-items:flex-end;gap:12px}textarea{border:0;background:#f3f6fa;resize:none;flex:1;min-width:0;border-radius:9px;padding:12px;font-size:16px;outline-color:#4b9dff}#send{background:#2176f3;color:white;border:0;border-radius:8px;padding:12px 20px}.privacy{font-size:12px;color:#9ea9b8;text-align:center;margin:10px 0 0}.emojis{display:flex;flex-wrap:wrap;background:white;padding:12px;gap:10px}.emojis button{border:0;background:#f4f7fc;border-radius:8px;font-size:25px;padding:5px}.error{padding:10px 16px;background:#fff2e2;color:#a46224;font-size:12px}.attachment{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#e6effc;font-size:12px}.attachment button{border:0;background:none;font-size:24px}button:focus-visible,label:focus-within{outline:2px solid #4b9dff;outline-offset:3px}@media(min-width:700px){body{background:radial-gradient(ellipse at top,#e5f2ff,#dbe7f2)}.welcome,.chat{box-shadow:0 10px 60px #18365b14}.chat{border-inline:1px solid #e0e8f1}}

#domain-status{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);width:max-content;max-width:92vw;background:#123e32;color:white;padding:12px 16px;border-radius:10px;z-index:30;font-size:13px;box-shadow:0 3px 20px #0003}.green-task{color:#0aaf54;font-weight:600}



.reference>img.hero-overlay{clip-path:inset(0 0 69% 0);pointer-events:none}@media(max-width:360px){.chat header{padding:12px 10px;gap:6px}.chat-brand h1{font-size:14px}.chat-brand p{font-size:11px}.secure{padding:6px 7px}.secure strong{font-size:12px}.secure small{font-size:9px}.avatar{width:40px}} .session-bar{flex-wrap:wrap}.chat-brand p{line-height:1.5}