#lantu-assistant{font-family:system-ui,-apple-system,"Noto Sans TC","Microsoft JhengHei",sans-serif;color:#18314e;font-size:14px;line-height:1.6;position:relative;z-index:1000;letter-spacing:normal}#lantu-assistant *{box-sizing:border-box}#lantu-assistant [hidden]{display:none!important}#lantu-assistant button,#lantu-assistant textarea,#lantu-assistant a{font:inherit}#lantu-assistant button{cursor:pointer}#lantu-assistant button:disabled{opacity:.55;cursor:wait}#lantu-assistant button:focus-visible,#lantu-assistant a:focus-visible,#lantu-assistant summary:focus-visible,#lantu-assistant textarea:focus-visible{outline:3px solid #3a94db;outline-offset:3px}#lantu-assistant .la-launch{position:fixed;bottom:max(22px,env(safe-area-inset-bottom));right:24px;display:flex;gap:9px;align-items:center;background:#163e67;color:#fff;border:1px solid #ffffff38;border-radius:50px;padding:14px 22px;box-shadow:0 6px 25px #10264730;font-size:14px;font-weight:600}#lantu-assistant .la-launch>span:first-child{color:#b9ebd5;font-size:24px;line-height:1}#lantu-assistant .la-panel{position:fixed;right:24px;bottom:96px;width:410px;max-width:calc(100vw - 32px);height:min(710px,calc(100dvh - 120px));display:flex;flex-direction:column;border:1px solid #dce5ee;border-radius:20px;background:#fff;box-shadow:0 20px 80px #112b4a30;overflow:hidden;text-align:left}#lantu-assistant .la-header{display:flex;gap:12px;align-items:center;background:#112e4d;padding:22px 20px;color:#fff;position:static;border:0;min-height:auto}#lantu-assistant .la-avatar{background:#ffffff12;border:1px solid #ffffff24;border-radius:14px;width:44px;height:44px;display:grid;place-items:center;font-size:28px;color:#b9ebd5;flex-shrink:0}#lantu-assistant .la-eyebrow{font-size:9px;letter-spacing:2px;color:#a9c7dc}#lantu-assistant h2{font-size:19px;line-height:1.4;letter-spacing:0;margin:2px 0 3px;color:#fff;font-weight:650}#lantu-assistant .la-header p{margin:0;font-size:11px;color:#c0d1df;line-height:1.5}#lantu-assistant .la-close{margin-left:auto;align-self:flex-start;background:transparent;border:0;color:white;font-size:27px;line-height:1;width:32px;height:32px;padding:0}#lantu-assistant .la-topline{display:flex;align-items:center;justify-content:space-between;padding:9px 18px;background:#f4f7fa;border-bottom:1px solid #e6edf3;font-size:10px;color:#60758b}#lantu-assistant .la-topline i{display:inline-block;width:6px;height:6px;background:#519e8b;border-radius:50%;margin-right:5px}#lantu-assistant .la-reset{background:none;border:0;color:#526c85;font-size:11px;padding:5px}#lantu-assistant .la-log{flex:1;min-height:70px;overflow-y:auto;overscroll-behavior:contain;padding:18px 18px 4px;background:#fcfdff;scrollbar-width:thin}#lantu-assistant .la-message{margin-bottom:18px;max-width:94%}#lantu-assistant .la-label{display:block;font-size:10px;color:#657d93;margin-bottom:5px}#lantu-assistant .la-message p{padding:13px 15px;border:1px solid #e4ebf2;border-radius:0 13px 13px;background:#f1f5f9;font-size:13px;line-height:1.9;margin:0;color:#27445f;white-space:pre-wrap;overflow-wrap:anywhere}#lantu-assistant .la-user{margin-left:auto}#lantu-assistant .la-user .la-label{text-align:right}#lantu-assistant .la-user p{background:#1a456e;color:#fff;border-color:#1a456e;border-radius:13px 0 13px 13px}#lantu-assistant .la-sources{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}#lantu-assistant .la-sources a{font-size:10px;color:#285d87;text-decoration:none;border-bottom:1px solid #b7cedf}#lantu-assistant .la-prompts{display:flex;flex-wrap:wrap;gap:6px;padding:10px 17px 3px}#lantu-assistant .la-prompts button{background:#fff;color:#365c7e;border:1px solid #dce5ee;border-radius:20px;padding:6px 10px;font-size:11px}#lantu-assistant .la-status{font-size:11px;color:#805722;padding:3px 18px;min-height:22px}#lantu-assistant .la-form{display:flex;gap:8px;padding:4px 16px 0;align-items:stretch;margin:0}#lantu-assistant textarea{resize:none;min-height:57px;min-width:0;flex:1;border:1px solid #cbd9e5;background:#fff;border-radius:10px;padding:10px;color:#18314e;font-size:13px;line-height:1.5}#lantu-assistant textarea::placeholder{color:#8191a3}#lantu-assistant .la-send{border:0;border-radius:10px;background:#173e66;color:white;padding:10px 13px;font-size:12px;flex-shrink:0}#lantu-assistant .la-privacy{padding:7px 18px 10px;margin:0;font-size:10px;line-height:1.65;color:#687d91}#lantu-assistant .la-contact{border:0;border-top:1px solid #e4ebf2;padding:0;margin:0;background:#f4f8fb;max-height:200px;overflow:auto;flex-shrink:0}#lantu-assistant .la-contact summary{padding:12px 18px;font-size:12px;cursor:pointer;color:#254e72}#lantu-assistant .la-contact>div{padding:0 18px 14px;display:flex;gap:8px;flex-wrap:wrap}#lantu-assistant .la-contact p{flex-basis:100%;font-size:11px;color:#61778d;margin:0 0 3px}#lantu-assistant .la-contact a,#lantu-assistant .la-copy{color:#214e72;text-decoration:none;background:white;border:1px solid #d6e2ec;border-radius:7px;padding:6px 9px;font-size:11px}#lantu-assistant .la-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:520px){#lantu-assistant .la-launch{right:16px;padding:12px 17px;font-size:12px;bottom:max(16px,env(safe-area-inset-bottom))}#lantu-assistant .la-panel{right:10px;bottom:max(82px,calc(env(safe-area-inset-bottom) + 70px));width:calc(100% - 20px);max-width:none;height:min(690px,calc(100dvh - 100px));border-radius:16px}#lantu-assistant .la-header{padding:15px}#lantu-assistant .la-header p{font-size:10px}#lantu-assistant .la-prompts{padding-top:6px}#lantu-assistant .la-prompts button{font-size:10px}#lantu-assistant .la-contact summary{padding-top:10px;padding-bottom:10px}#lantu-assistant .la-message p{font-size:13px}}
/* Mobile chat fills only the visible area, including when an iOS keyboard opens. */
#lantu-assistant .la-header,#lantu-assistant .la-topline,#lantu-assistant .la-prompts,#lantu-assistant .la-status,#lantu-assistant .la-form,#lantu-assistant .la-privacy{flex-shrink:0}
#lantu-assistant .la-log{flex:1 1 0;min-height:0}
#lantu-assistant .la-status:empty{display:none}
@media(max-width:520px){
  html.la-chat-open,html.la-chat-open body{overflow:hidden;overscroll-behavior:none}
  #lantu-assistant[data-open="true"] .la-launch{display:none}
  #lantu-assistant .la-panel{top:var(--la-visible-top,0px);bottom:auto;left:0;right:0;width:100%;max-width:100%;height:var(--la-visible-height,100dvh);max-height:var(--la-visible-height,100dvh);border:0;border-radius:0;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);background:#fff}
  #lantu-assistant textarea{font-size:16px;min-height:54px}
  #lantu-assistant .la-form{padding-bottom:8px}
  #lantu-assistant .la-close{width:44px;height:44px;flex-shrink:0}
  #lantu-assistant .la-header>div:nth-child(2){min-width:0}
  #lantu-assistant .la-contact{max-height:28%}
  #lantu-assistant[data-compact="true"] .la-header{padding:8px 12px}
  #lantu-assistant[data-compact="true"] .la-header p,#lantu-assistant[data-compact="true"] .la-eyebrow,#lantu-assistant[data-compact="true"] .la-prompts,#lantu-assistant[data-compact="true"] .la-privacy,#lantu-assistant[data-compact="true"] .la-contact{display:none}
  #lantu-assistant[data-compact="true"] .la-avatar{width:36px;height:36px;font-size:23px}
  #lantu-assistant[data-compact="true"] .la-topline{padding:4px 14px}
  #lantu-assistant[data-compact="true"] .la-log{padding:10px 14px 0}
}
#lantu-assistant .la-log{overflow-anchor:none}