.lchat-drawer{position:fixed;inset:0 0 0 auto;width:min(510px,100%);height:100dvh;max-height:100dvh;max-width:100%;padding:0;margin:0;border:0;border-left:1px solid #d6e0ec;color:#172b43;background:#fff;box-sizing:border-box}.lchat-drawer::backdrop{background:rgb(18 32 52 / .35)}.lchat-drawer:not([open]){display:none}.lchat-shell{height:100%;display:flex;flex-direction:column;min-height:0;font:14px/1.6 "Microsoft YaHei",system-ui,sans-serif;text-align:left}.lchat-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid #d6e0ec;flex-shrink:0}.lchat-head h2{font-size:18px;line-height:1.4;margin:0;font-weight:700}.lchat-head span{font-size:12px;color:#526579}.lchat-head button{border:0;background:#f3f6fa;width:44px;height:44px;padding:12px;color:#172b43;cursor:pointer}.lchat-head svg{height:20px;width:20px;fill:none;stroke:currentColor;stroke-width:1.7}.lchat-source{padding:12px 20px;background:#f6f8fb;border-bottom:1px solid #d6e0ec;flex-shrink:0}.lchat-source:empty{display:none}.lchat-source a{display:grid;gap:3px;text-decoration:none;color:#172b43}.lchat-source span{font-size:12px;color:#526579}.lchat-source strong{font-size:15px;line-height:1.5;overflow-wrap:anywhere}.lchat-history{flex:1;min-height:100px;overflow:auto;overscroll-behavior:contain;padding:16px 20px;background:#fff}.lchat-history>[data-lchat-older]{display:block;margin:0 auto 12px}.lchat-message{max-width:88%;margin:0 auto 16px 0;padding:10px 12px;background:#f0f3f7;border:0;border-radius:6px;overflow-wrap:anywhere}.lchat-message.is-own{margin:0 0 16px auto;background:#eaf1ff}.lchat-message p{white-space:pre-wrap;margin:4px 0;font-size:14px;line-height:1.7}.lchat-sender,.lchat-message time{color:#526579;font-size:12px;display:block}.lchat-empty{margin:28px 0;text-align:center;color:#526579}.lchat-tools{display:flex;align-items:center;gap:6px 14px;flex-wrap:wrap;padding:8px 20px;border-top:1px solid #d6e0ec;flex-shrink:0}.lchat-tools a,.lchat-link{font-size:13px;color:#2459d3;text-decoration:none}.lchat-link{border:0;background:none;padding:6px 0;min-height:36px;cursor:pointer}.lchat-tools details{position:relative;margin-left:auto}.lchat-tools summary{cursor:pointer;padding:6px 0;font-size:13px}.lchat-tools details[open]{display:flex;flex-wrap:wrap;gap:8px}.lchat-tools details button{background:#fff;border:1px solid #d6e0ec;padding:8px;color:#172b43;cursor:pointer}.lchat-status{margin:0;padding:0 20px;color:#526579;font-size:13px;overflow-wrap:anywhere;flex-shrink:0}.lchat-status:not(:empty){padding-top:6px;padding-bottom:8px}.lchat-shell form{padding:10px 20px max(14px,env(safe-area-inset-bottom));margin:0;border-top:1px solid #d6e0ec;background:#fff;flex-shrink:0}.lchat-shell label{display:grid;gap:5px;font-size:13px;color:#172b43}.lchat-shell textarea{box-sizing:border-box;display:block;width:100%;min-height:76px;max-height:24dvh;resize:vertical;border:1px solid #becde0;border-radius:4px;padding:9px 11px;background:#fff;color:#172b43;font:inherit;font-size:14px;line-height:1.6}.lchat-compose-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}.lchat-compose-actions span{font-size:12px;color:#526579}.lchat-shell button[type=submit]{min-height:40px;min-width:84px;border:1px solid #2459d3;border-radius:4px;padding:8px 18px;background:#2459d3;color:#fff;font-size:14px;cursor:pointer}.lchat-shell button:disabled{cursor:default;opacity:.55}.lchat-shell :focus-visible{outline:2px solid #2459d3;outline-offset:3px}.lchat-shell [hidden]{display:none!important}.lchat-page{max-width:960px;height:min(820px,calc(100dvh - 160px));min-height:560px;margin:0 auto;background:white;border:1px solid #d6e0ec}.lchat-page .lchat-head{padding-block:14px}.lchat-page .lchat-head>a{color:#2459d3;font-size:13px}.lchat-page .lchat-message{max-width:76%}@media(max-width:600px){.lchat-drawer{width:100%;border:0}.lchat-head{padding:12px 14px}.lchat-source{padding:10px 14px}.lchat-history{padding:14px}.lchat-tools{padding:8px 14px;gap:4px 12px}.lchat-status{padding-inline:14px}.lchat-shell form{padding-inline:14px}.lchat-message,.lchat-page .lchat-message{max-width:88%}.lchat-page{height:calc(100dvh - 120px);min-height:480px;margin-inline:-8px}}@media(prefers-reduced-motion:reduce){.lchat-shell *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

[data-lchat-access] .lchat-status{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:24px!important;font-size:16px;color:#172b43}[data-lchat-access] .lchat-status a{display:inline-flex;align-items:center;justify-content:center;min-width:108px;min-height:44px;background:#2459d3;color:white;border:1px solid #2459d3;border-radius:4px;padding:8px 20px;text-decoration:none;font-size:14px;box-sizing:border-box}