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.bubble{background:var(--primary-soft);border-color:#cbe5df}.msg-time{font-size:11px;color:var(--text-faint);margin-top:3px}.msg-row.me .msg-time{text-align:right}.chat-bar{position:fixed;left:0;right:0;bottom:0;z-index:6;max-width:480px;margin:0 auto;display:flex;gap:8px;align-items:center;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:#fffffff7;border-top:1px solid var(--border)}.chat-bar input{flex:1;min-height:42px;border:1px solid var(--border-strong);border-radius:999px;padding:8px 16px;font-size:15px;font-family:inherit;outline:none;background:var(--surface)}.chat-bar input:focus{border-color:var(--primary)}.chat-send{width:42px;height:42px;border-radius:50%;border:none;flex:none;background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}.chat-send svg{width:18px;height:18px}.chat-send:disabled{background:#a8cfc9}.avatar{width:40px;height:40px;border-radius:50%;flex:none;background:var(--primary-soft);color:var(--primary-strong);display:flex;align-items:center;justify-content:center;font-weight:700}.banner-tip{display:flex;align-items:flex-start;gap:8px;background:var(--accent-soft);border:1px solid #F3DFC0;border-radius:var(--r-md);padding:10px 12px;font-size:var(--fs-13);color:#7a5a33;line-height:1.6;margin-bottom:14px}.banner-tip svg{width:16px;height:16px;margin-top:3px;flex:none}.empty{text-align:center;padding:30px 12px;color:var(--text-faint);font-size:var(--fs-13)}.empty svg{width:40px;height:40px;margin-bottom:8px;opacity:.55;display:block;margin-left:auto;margin-right:auto}.loading{text-align:center;padding:36px 12px;color:var(--text-faint);font-size:var(--fs-13)}.field{margin-bottom:14px}.f-label{display:block;font-size:var(--fs-13);font-weight:700;margin-bottom:6px}.f-input{width:100%;min-height:48px;border:1px solid var(--border-strong);border-radius:14px;padding:10px 16px;font-size:16px;font-family:inherit;color:var(--text);background:var(--surface);outline:none;transition:border-color .12s ease,box-shadow .12s ease}.f-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2a9d8f1f}.f-input::placeholder{color:var(--text-faint)}textarea.f-input{min-height:96px;resize:vertical;line-height:1.6;font-size:var(--fs-15)}.f-hint{font-size:12px;color:var(--text-faint);margin-top:6px}.f-err{display:none;align-items:center;gap:6px;background:var(--bad-soft);color:var(--bad-deep);border-radius:10px;padding:9px 12px;font-size:var(--fs-13);margin-bottom:12px}.f-err.show{display:flex}.f-err svg{width:14px;height:14px}.btn-lg2{display:flex;align-items:center;justify-content:center;width:100%;min-height:50px;border:none;border-radius:14px;background:var(--primary);color:#fff;font-size:17px;font-weight:700;font-family:inherit;cursor:pointer}.btn-lg2:active{background:var(--primary-strong)}.btn-lg2:disabled{background:#a8cfc9;cursor:not-allowed}.login-page{min-height:100vh;display:flex;flex-direction:column;padding:48px 24px calc(24px + env(safe-area-inset-bottom))}.login-brand{text-align:center;margin-bottom:36px}.login-brand svg{width:64px;height:64px}.login-brand b{display:block;font-size:var(--fs-24);color:var(--primary-strong);margin-top:10px}.login-brand span{display:block;font-size:var(--fs-13);color:var(--text-sub);margin-top:4px}.login-form-card{max-width:400px;width:100%;margin:0 auto}.login-foot{text-align:center;margin-top:18px;font-size:var(--fs-13);color:var(--text-sub)}.login-foot b{color:var(--primary-strong)}.muted{color:var(--text-sub)}.faint{color:var(--text-faint)}.fs12{font-size:12px}.fs13{font-size:var(--fs-13)}.center{text-align:center}.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}