#cgta-root{--cgta-ink:#292634;--cgta-muted:#726c80;--cgta-purple:#7055a4;--cgta-tint:#f2eef8;--cgta-line:#e9e5ee;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--cgta-ink);font-size:14px;line-height:1.65;text-align:left}
#cgta-root *{box-sizing:border-box}#cgta-root [hidden]{display:none!important}
#cgta-root button,#cgta-root textarea{font:inherit}#cgta-root button{cursor:pointer;border:1px solid var(--cgta-line);border-radius:10px;background:white;color:var(--cgta-ink);padding:8px 12px;min-height:42px;box-shadow:none;line-height:1.4}
#cgta-root button:hover{background:var(--cgta-tint)}#cgta-root button:focus-visible,#cgta-root a:focus-visible,#cgta-root textarea:focus-visible{outline:3px solid #ab92d0;outline-offset:3px}#cgta-root button:disabled{cursor:wait;opacity:.6}
#cgta-root a{color:var(--cgta-purple);text-decoration:none}#cgta-root p{margin:0 0 10px}#cgta-root h2{font-size:19px;font-weight:650;line-height:1.4;margin:4px 0 0;color:var(--cgta-ink)}
#cgta-root #cgta-launch{position:fixed;right:24px;bottom:100px;z-index:10010;background:var(--cgta-purple);color:white;border:0;box-shadow:0 6px 25px #42305722;padding:13px 18px;border-radius:30px}#cgta-launch span{margin-right:6px}
#cgta-panel{position:fixed;z-index:10020;right:24px;bottom:24px;width:440px;height:min(780px,calc(100dvh - 64px));display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--cgta-line);border-radius:22px;box-shadow:0 15px 70px #29203429}
.cgta-header{display:flex;justify-content:space-between;align-items:center;padding:22px 20px 16px;border-bottom:1px solid var(--cgta-line);gap:8px}.cgta-eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--cgta-purple)}#cgta-root #cgta-close{border:0;font-size:26px;padding:0;min-width:42px;flex-shrink:0}
.cgta-intro{padding:15px 20px 0}.cgta-note{font-size:11px;color:var(--cgta-muted);line-height:1.6}#cgta-quick{display:flex;gap:6px;padding:0 20px 14px;flex-wrap:wrap}#cgta-root #cgta-quick button{font-size:12px;padding:6px 10px;min-height:34px;background:#faf8fc}
#cgta-messages{flex:1;min-height:60px;overflow-y:auto;overscroll-behavior:contain;padding:10px 18px;background:#fbfafc}.cgta-message{margin:0 0 16px;white-space:pre-wrap;overflow-wrap:anywhere}.cgta-message.cgta-user{background:var(--cgta-tint);margin-left:38px;padding:10px 13px;border-radius:14px 14px 3px 14px}.cgta-message.cgta-assistant{padding:2px 0}.cgta-message-label{font-size:11px;color:var(--cgta-muted);display:block;margin-bottom:5px}
.cgta-course{display:block;margin:10px 0;background:white;border:1px solid var(--cgta-line);border-radius:12px;overflow:hidden;white-space:normal}.cgta-course img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.cgta-course-body{padding:12px}.cgta-course h3{font-size:15px;margin:0 0 6px;line-height:1.5;color:var(--cgta-ink)}.cgta-course p{font-size:12px;color:var(--cgta-muted)}.cgta-course-price{display:block;font-size:12px;color:var(--cgta-ink);margin:6px 0}.cgta-course-link{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--cgta-line);padding:9px 12px;font-weight:600;font-size:12px}
.cgta-feedback{display:flex;gap:6px}#cgta-root .cgta-feedback button{font-size:11px;min-height:30px;padding:5px 8px}#cgta-status{font-size:12px;color:var(--cgta-muted);padding:0 20px}#cgta-status:not(:empty){padding-top:7px;padding-bottom:7px}
#cgta-form{padding:10px 18px 4px;border-top:1px solid var(--cgta-line)}.cgta-consent{font-size:11px;display:flex;gap:6px;align-items:center;margin-bottom:8px;color:var(--cgta-muted)}.cgta-compose{display:flex;align-items:flex-end;gap:8px}#cgta-root #cgta-input{resize:none;width:100%;min-height:58px;max-height:120px;border:1px solid var(--cgta-line);border-radius:10px;padding:9px 11px;background:white;color:var(--cgta-ink)}#cgta-root #cgta-send{background:var(--cgta-purple);color:#fff;border:0;flex-shrink:0}
.cgta-footer{display:flex;align-items:center;justify-content:space-between;padding:3px 15px 8px;font-size:11px}#cgta-root .cgta-footer button{font-size:11px;border:0;background:transparent;padding:5px;min-height:36px;color:var(--cgta-muted)}.cgta-sr{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:600px){#cgta-panel{right:0;bottom:0;width:100%;height:calc(var(--cgta-vh,100dvh) - 8px);max-height:100dvh;border-radius:18px 18px 0 0;padding-bottom:env(safe-area-inset-bottom)}#cgta-root #cgta-launch{right:12px;bottom:calc(92px + env(safe-area-inset-bottom));font-size:12px;padding:10px 14px}.cgta-header{padding:14px 16px 10px}.cgta-intro{padding:10px 16px 0}#cgta-root h2{font-size:17px}#cgta-root #cgta-input{font-size:16px}#cgta-quick{padding:0 16px 8px}.cgta-note{font-size:10px}}
@media(max-height:620px){.cgta-intro{display:none}#cgta-quick{padding-top:8px}.cgta-header{padding:8px 14px}.cgta-eyebrow{display:none}}
#cgta-root.cgta-started .cgta-intro,#cgta-root.cgta-started #cgta-quick{display:none}
#cgta-root .cgta-course{display:grid;grid-template-columns:112px minmax(0,1fr);align-items:start}
#cgta-root .cgta-course img{width:100px;margin:12px 0 0 12px;border-radius:7px;aspect-ratio:16/9}
#cgta-root .cgta-course-body{grid-column:2;padding:10px 12px}
#cgta-root .cgta-course:not(:has(img)) .cgta-course-body{grid-column:1 / -1}
#cgta-root .cgta-course-link{grid-column:1 / -1}

#cgta-root .cgta-accuracy-note{margin:7px 16px 0;color:#76717c;font-size:11px;line-height:1.6;text-align:center;flex-shrink:0;overflow-wrap:anywhere}
/* Approved A direction: quiet white dock, compact course references. */
#cgta-root{--cgta-ink:#302e36;--cgta-muted:#85808d;--cgta-purple:#79647d;--cgta-tint:#f3eff6;--cgta-line:#ece9ef;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
#cgta-root #cgta-launch{right:18px;bottom:180px;background:#fff;color:var(--cgta-purple);border:1px solid var(--cgta-line);border-radius:12px;padding:12px 15px;box-shadow:0 4px 18px #2920340d}
#cgta-root #cgta-launch svg{vertical-align:middle;margin-right:5px}
#cgta-root.cgta-open #cgta-launch{visibility:hidden}
#cgta-panel{width:480px;right:0;top:var(--cgta-dock-top,88px);bottom:0;height:calc(100dvh - var(--cgta-dock-top,88px));border-radius:0;border-width:0 0 0 1px;box-shadow:-8px 0 28px #29203409}
#cgta-root #cgta-expand{border:0;min-height:36px;padding:4px 8px;font-size:12px;color:var(--cgta-purple)}
@media(min-width:768px){#cgta-root.cgta-expanded #cgta-panel{width:min(760px,calc(100vw - 48px))}#cgta-root .cgta-message.cgta-user{font-size:14px}#cgta-root #cgta-messages{padding:24px}#cgta-root #cgta-input{font-size:14px}}
@media(max-width:767px){#cgta-root #cgta-expand{display:none}}
.cgta-header{padding:12px 16px;flex-shrink:0}.cgta-header>div:first-child{display:flex;align-items:center;gap:9px}.cgta-eyebrow{font-family:Arial,sans-serif;font-size:14px;font-weight:700;letter-spacing:0;color:#346c6c}#cgta-root h2{font-size:15px;margin:0;font-weight:600}
.cgta-actions{display:flex;align-items:center;gap:4px}#cgta-root #cgta-reset{border:0;padding:4px 6px;font-size:18px;color:var(--cgta-muted)}#cgta-reset span{font-size:11px;margin-left:3px}#cgta-root #cgta-close{font-size:23px;min-width:36px;min-height:36px;color:var(--cgta-muted)}
.cgta-context{padding:9px 16px;background:#faf9fb;border-bottom:1px solid var(--cgta-line);font-size:11px;display:flex;gap:8px;flex-shrink:0}.cgta-context span{color:var(--cgta-muted);white-space:nowrap}.cgta-context strong{font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cgta-intro{padding:24px 20px 8px;font-size:14px}.cgta-intro p{margin:0 0 9px}.cgta-intro-lead{font-weight:650;color:var(--cgta-ink)}.cgta-intro-hint{font-size:12px;color:var(--cgta-muted)}#cgta-quick{padding:0 20px 16px;gap:8px}#cgta-root #cgta-quick button{background:#fff;border-radius:20px;color:#6d6575}
#cgta-messages{background:#fff;padding:20px;min-height:40px}.cgta-message{margin-bottom:24px;line-height:1.85}.cgta-message-label{font-size:11px;margin-bottom:6px;color:#797080}.cgta-user .cgta-message-label{display:none}.cgta-message.cgta-user{margin-left:34px;border-radius:12px 12px 3px 12px;padding:10px 13px;font-size:13px}
#cgta-root .cgta-course{grid-template-columns:90px minmax(0,1fr);margin:12px 0;border-radius:9px;padding:10px;column-gap:10px;align-items:start}#cgta-root .cgta-course img{width:90px;margin:0;border-radius:5px;aspect-ratio:4/3;grid-row:1 / 3}#cgta-root .cgta-course-body{padding:0}#cgta-root .cgta-course h3{font-size:13px;font-weight:600;line-height:1.6;margin:0 0 4px}#cgta-root .cgta-course p{font-size:11px;margin:0 0 4px;line-height:1.6}.cgta-course-price{font-size:11px;margin:3px 0}#cgta-root .cgta-course-link{grid-column:2;border:0;padding:3px 0 0;justify-content:flex-start;gap:6px;font-size:11px;font-weight:400}#cgta-root .cgta-course:not(:has(img)) .cgta-course-link{grid-column:1 / -1}
#cgta-root .cgta-feedback button{border:0;color:var(--cgta-muted);padding:3px 5px;background:transparent}.cgta-feedback{margin-top:8px;font-size:11px}
#cgta-form{border:0;padding:6px 16px 0;flex-shrink:0}.cgta-privacy{font-size:10px;color:var(--cgta-muted);margin:0 0 4px}.cgta-privacy summary{cursor:pointer}.cgta-privacy p{max-height:68px;overflow:auto;padding:5px 0}.cgta-consent{font-size:10px;margin:0 0 8px}.cgta-consent input{margin:0;accent-color:var(--cgta-purple)}
.cgta-compose{border:1px solid #ded9e3;border-radius:12px;padding:6px;align-items:center;background:#fff}#cgta-root #cgta-input{border:0;border-radius:6px;min-height:48px;padding:7px;line-height:1.6;font-size:13px;box-shadow:none}#cgta-root #cgta-send{width:34px;min-height:34px;height:34px;border-radius:50%;padding:0;font-size:22px}.cgta-footer{padding:3px 16px 8px;flex-shrink:0;font-size:10px}#cgta-root .cgta-footer button{font-size:10px}.cgta-footer a{color:var(--cgta-muted)}
#cgta-status{flex-shrink:0;font-size:11px}.cgta-footer{justify-content:flex-end}
@media(max-width:767px){#cgta-panel{top:var(--cgta-top,0px);bottom:auto;right:0;width:100%;height:var(--cgta-vh,100dvh);max-height:none;border:0;border-radius:0;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);box-shadow:none}#cgta-root #cgta-launch{right:10px;bottom:calc(160px + env(safe-area-inset-bottom));padding:10px 12px;font-size:12px}.cgta-header{padding:10px 16px}.cgta-header>div:first-child{gap:8px}#cgta-root h2{font-size:15px}.cgta-intro{padding:28px 20px 10px}#cgta-messages{padding:20px}.cgta-message{margin-bottom:26px}#cgta-root #cgta-input{font-size:16px}#cgta-form{padding:6px 16px 0}.cgta-footer{padding-bottom:8px}}
@media(max-height:620px){.cgta-context{padding:5px 16px}.cgta-privacy{display:none}.cgta-header{padding:5px 14px}.cgta-eyebrow{display:inline}.cgta-intro{display:none}#cgta-quick{padding:8px 16px}.cgta-consent{margin-bottom:4px}}
@media(prefers-reduced-motion:no-preference){#cgta-panel:not([hidden]){animation:cgta-reveal .18s ease-out}@keyframes cgta-reveal{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}
/* Quiet in-conversation wait state; labels reflect only known request state. */
#cgta-root .cgta-waiting{display:flex;align-items:center;gap:10px;min-height:34px;margin:4px 0 24px;color:#77727e;font-size:14px;line-height:1.6}
#cgta-root .cgta-waiting-orbit{width:17px;height:17px;flex:0 0 17px;border:1.5px solid #ece9ef;border-top-color:#79647d;border-right-color:#b0a2b3;border-radius:50%}
#cgta-root .cgta-waiting-time{font-size:11px;color:#96919b;font-variant-numeric:tabular-nums}
@media(prefers-reduced-motion:no-preference){#cgta-root .cgta-waiting-orbit{animation:cgta-wait-spin 1.3s linear infinite}#cgta-root .cgta-waiting-label{animation:cgta-wait-breathe 2.4s ease-in-out infinite}@keyframes cgta-wait-spin{to{transform:rotate(360deg)}}@keyframes cgta-wait-breathe{50%{opacity:.55}}}
/* Readable answer typography; user messages remain literal text. */
#cgta-root .cgta-answer{white-space:normal;line-height:1.8;font-size:14px;overflow-wrap:anywhere}
#cgta-root .cgta-answer p{margin:0 0 14px}
#cgta-root .cgta-answer strong{font-weight:650;color:var(--cgta-ink)}
#cgta-root .cgta-answer h4{font-size:14px;line-height:1.65;font-weight:650;margin:20px 0 10px;color:var(--cgta-ink)}
#cgta-root .cgta-answer ul,#cgta-root .cgta-answer ol{padding:0 0 0 23px;margin:10px 0 16px;list-style-position:outside}
#cgta-root .cgta-answer ul{list-style-type:disc}#cgta-root .cgta-answer ol{list-style-type:decimal}
#cgta-root .cgta-answer li{display:list-item;margin:7px 0;padding-left:3px}
#cgta-root .cgta-answer li>ul,#cgta-root .cgta-answer li>ol{margin:8px 0}
#cgta-root .cgta-answer blockquote{margin:14px 0;padding:2px 0 2px 12px;border-left:3px solid #ded9e3;color:#726b78;background:none}
#cgta-root .cgta-answer code{font-family:Consolas,monospace;font-size:.9em;background:#f3f1f5;padding:2px 4px;border-radius:4px;white-space:pre-wrap}
#cgta-root .cgta-answer pre{padding:12px;background:#f7f6f8;border-radius:8px;overflow:auto;white-space:pre;max-width:100%;margin:14px 0}
#cgta-root .cgta-answer pre code{padding:0;background:none;white-space:pre}
#cgta-root .cgta-answer .cgta-citation{font-size:9px;line-height:1;vertical-align:super;margin-left:2px;padding:1px 3px;border-radius:3px;background:#f0edf3;color:#797080}
#cgta-root .cgta-answer a{text-decoration:underline;text-underline-offset:3px}
#cgta-root .cgta-answer hr{border:0;border-top:1px solid var(--cgta-line);margin:18px 0}
#cgta-root .cgta-answer>:first-child{margin-top:0}#cgta-root .cgta-answer>:last-child{margin-bottom:0}
/* Discovery: one quiet invitation, then a compact, high-contrast launcher. */
#cgta-root{--cgta-launch-right:20px;--cgta-launch-bottom:28px}
#cgta-root #cgta-launch{right:var(--cgta-launch-right);bottom:calc(var(--cgta-launch-bottom) + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center;gap:8px;width:120px;height:44px;min-height:44px;padding:0 15px;border:1px solid #6d5c74;border-radius:24px;background:#716078;color:#fff;font-size:13px;font-weight:600;box-shadow:0 4px 16px #30263820;transition:transform .2s,box-shadow .2s,background .2s}
#cgta-root #cgta-launch svg{margin:0;flex:none}
#cgta-root #cgta-launch:hover{background:#62516a;box-shadow:0 6px 20px #3026382b;transform:translateY(-2px)}
#cgta-root.cgta-launch-suppressed #cgta-launch{visibility:hidden}
#cgta-root #cgta-discovery{position:fixed;z-index:10019;right:var(--cgta-launch-right);bottom:calc(var(--cgta-launch-bottom) + 56px + env(safe-area-inset-bottom));width:244px;max-width:calc(100vw - 40px);background:#fff;border:1px solid #e9e3ed;border-radius:16px;box-shadow:0 8px 32px #30263814;padding:8px}
#cgta-root #cgta-discovery-open{display:block;width:100%;text-align:left;border:0;background:transparent;padding:12px 14px;border-radius:10px;color:#514857}
#cgta-root #cgta-discovery-open strong{display:block;padding-right:26px;font-size:14px;line-height:1.7;margin-bottom:7px;color:#302e36}
#cgta-root #cgta-discovery-copy{display:block;font-size:12px;line-height:1.85;font-weight:400}
#cgta-root .cgta-discovery-link{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12px;font-weight:600;color:#716078}
#cgta-root #cgta-discovery-dismiss{position:absolute;right:7px;top:7px;z-index:1;width:36px;height:36px;min-height:36px;padding:0;border:0;border-radius:50%;font-size:21px;color:#817789;background:transparent}
#cgta-root #cgta-discovery-dismiss:hover{background:#f3eff6}
@media(min-width:2200px){#cgta-root{--cgta-launch-right:max(20px,calc((100vw - 1640px)/2 - 144px))}#cgta-root #cgta-discovery{right:calc(var(--cgta-launch-right) - 124px)}}
@media(max-width:767px){#cgta-root{--cgta-launch-right:12px;--cgta-launch-bottom:16px}#cgta-root #cgta-launch{width:94px;height:44px;font-size:12px;gap:6px;padding:0 10px}#cgta-root #cgta-discovery{display:none!important}}
@media(max-height:619px){#cgta-root #cgta-discovery{display:none!important}}
@media(prefers-reduced-motion:no-preference){#cgta-root #cgta-launch{animation:cgta-discovery-in .3s ease-out}#cgta-root #cgta-discovery:not([hidden]){animation:cgta-discovery-in .3s ease-out}@keyframes cgta-discovery-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}}
@media(prefers-reduced-motion:reduce){#cgta-root #cgta-launch{transition:none}#cgta-root #cgta-launch:hover{transform:none}}

/* Optional course attachment, never an active conversation lock. */
#cgta-root .cgta-course-offer{display:flex;align-items:center;gap:8px;margin:0 14px 8px;padding:8px 10px;border:1px solid var(--cgta-line);border-radius:10px;background:#faf9fb;flex-shrink:0}#cgta-root .cgta-course-offer[hidden]{display:none}#cgta-root .cgta-course-offer>div{min-width:0;flex:1}#cgta-root .cgta-course-offer span{display:block;font-size:10px;color:var(--cgta-muted)}#cgta-root .cgta-course-offer strong{display:block;font-size:12px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#cgta-root .cgta-course-offer button{flex-shrink:0;font-size:12px;padding:5px;border:0;background:transparent;color:var(--cgta-purple);cursor:pointer}

#cgta-root .cgta-beta{display:block;font-size:10px;font-weight:400;line-height:1.5;color:var(--cgta-muted);white-space:nowrap}
/* Course comparison card: separate course identity, prices, and destinations. */
#cgta-root .cgta-course{grid-template-columns:80px minmax(0,1fr);padding:12px;gap:10px 12px;border-radius:12px}
#cgta-root .cgta-course img{width:80px;aspect-ratio:4/3;grid-row:1;margin:0;border-radius:7px}
#cgta-root .cgta-course-body{min-width:0;padding:0}
#cgta-root .cgta-course h3{font-size:14px;line-height:1.55;margin:0 0 6px;overflow-wrap:anywhere}
#cgta-root .cgta-course p{font-size:11px;line-height:1.65;margin:0;color:var(--cgta-muted)}
#cgta-root .cgta-course-prices{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:6px 12px;padding-top:2px}
#cgta-root .cgta-course-price{font-size:12px;line-height:1.6;margin:0;font-variant-numeric:tabular-nums;white-space:normal;overflow-wrap:anywhere}
#cgta-root .cgta-course-price:first-child{font-weight:600}
#cgta-root .cgta-course-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:6px;padding-top:10px;border-top:1px solid var(--cgta-line)}
#cgta-root .cgta-course-actions .cgta-course-link{display:flex;flex:1 1 74px;justify-content:center;align-items:center;gap:4px;min-height:40px;padding:7px 8px;border:1px solid var(--cgta-line);border-radius:7px;background:#faf9fb;font-size:11px;font-weight:500;line-height:1.4;text-decoration:none;text-align:center;overflow-wrap:anywhere;box-sizing:border-box}
#cgta-root .cgta-course-actions .cgta-course-primary{background:var(--cgta-purple);border-color:var(--cgta-purple);color:white}
#cgta-root .cgta-course-actions a:hover{filter:brightness(.96)}
#cgta-root .cgta-course-actions a:focus-visible{outline:2px solid var(--cgta-purple);outline-offset:2px}
@media(max-width:767px){#cgta-root .cgta-course-actions .cgta-course-link{min-height:44px}}

.cgta-course.cgta-course-compact{display:block;padding:0;border:0;background:transparent;box-shadow:none}.cgta-course-compact .cgta-course-actions{margin:0;padding:0;border:0}