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.12s;display:flex}.user-menu-item:hover{color:#0e7779;background:#0e8b8b14}.user-menu-item>span{flex:1}.user-menu-language{cursor:default}.user-menu-language select{width:auto;min-width:90px;height:28px;color:var(--ink);font:inherit;background:#fff;border:1px solid #0f172a1f;border-radius:6px;padding:0 6px;font-size:12px}.user-menu-logout:hover{color:#b42318;background:#b4231814}.translation-panel{background:#0e8b8b0f;border-left:3px solid #0e8b8b;border-radius:8px;margin-top:12px;padding:12px 14px}.translation-error{color:#b42318;margin-top:10px;font-size:13px}.confirm-overlay{z-index:1000;background:#0006;place-items:center;display:grid;position:fixed;inset:0}.confirm-dialog{background:#fff;border-radius:14px;min-width:320px;max-width:420px;padding:24px 28px;box-shadow:0 20px 60px #00000026}.confirm-dialog h4{margin:0 0 12px;font-size:17px;font-weight:700}.confirm-dialog p{color:var(--muted);margin:0 0 20px;font-size:14px;line-height:1.6}.confirm-actions{justify-content:flex-end;gap:10px;display:flex}.confirm-cancel,.confirm-danger{cursor:pointer;border:0;border-radius:8px;padding:8px 18px;font-size:14px;font-weight:600}.confirm-cancel{color:var(--ink);background:#f3f3f3}.confirm-cancel:hover{background:#e5e5e5}.confirm-danger{color:#fff;background:#b42318}.confirm-danger:hover{background:#9b1f15}.app-loading{height:100svh;color:var(--muted);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:14px;display:flex}.app-loading-spinner{border:3px solid #0e8b8b40;border-top-color:#0e8b8b;border-radius:50%;width:32px;height:32px;animation:.8s linear infinite app-loading-spin}@keyframes app-loading-spin{to{transform:rotate(360deg)}}.app-toast{z-index:60;color:#fff;background:#1f2937;border-radius:12px;max-width:min(92vw,480px);padding:11px 18px;font-size:14px;line-height:1.4;animation:.18s app-toast-in;position:fixed;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0f172a40}.app-toast-error{background:#b42318}.app-toast-success{background:#0e7c66}@keyframes app-toast-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}.sidebar-toggle,.sidebar-overlay{display:none}@media (width<=820px){.sidebar{z-index:50;width:280px;max-width:82vw;transition:transform .25s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:2px 0 18px #0f172a40}.sidebar-overlay{z-index:45;background:#0f172a61;display:block;position:fixed;inset:0}.sidebar-toggle{min-width:36px;min-height:34px;color:var(--ink);background:#ececec;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;padding:0 10px;font-size:18px;line-height:1;display:inline-flex}}@media (width<=560px){.chat-app{height:100dvh}.chat-panel{grid-template-rows:48px minmax(0,1fr) auto auto}.chat-header{gap:4px;padding:0 8px}.chat-header h1{font-size:14px}.chat-header-logo{width:22px;height:22px;margin-right:2px}.chat-header button{min-height:28px;padding:0 8px;font-size:12px}.chat-header-actions{gap:4px}.chat-header .announcement-trigger,.chat-header .feedback-trigger{width:30px;min-width:30px;height:30px;min-height:30px;font-size:14px}.new-chat-header-btn{display:none}.message-scroll{padding:14px 8px 8px}.composer-wrap,.sources-drawer{width:calc(100% - 8px);padding:4px 0 6px;padding-bottom:calc(6px + env(safe-area-inset-bottom,0px))}.composer{border-radius:20px;grid-template-columns:32px 32px minmax(0,1fr) 32px;gap:3px;min-height:48px;padding:6px 6px 6px 10px}.composer-icon-btn,.send-button{width:32px;height:32px}.composer textarea{min-height:32px;max-height:120px;padding:6px 2px;font-size:16px}.answer-toolbar{flex-wrap:wrap}.more-menu-popover{max-width:calc(100vw - 24px);left:0;right:auto}.share-dialog,.edit-doc-modal{width:100%;padding:16px}.share-view-wrapper{padding:12px 8px}.share-view-card{border-radius:12px;padding:18px 16px}.share-view-card pre{font-size:11.5px}.app-toast{max-width:none;bottom:92px;left:12px;right:12px;transform:none}@keyframes app-toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}.chat-panel .site-footer{background:0 0;border-top:1px solid #1023310a;max-width:100%;padding:6px 24px 8px;overflow-x:hidden}.chat-panel .site-footer-inner{gap:10px;font-size:11px}.chat-panel .footer-wechat-qr{bottom:calc(100% + 8px)}.chat-panel .footer-wechat-qr img{width:110px;height:110px}.chat-panel .footer-contact-tip{width:260px;font-size:11px;bottom:calc(100% + 8px)}