/* Shared account controls and Guanheng AI support. */
:root{--gh-paper:var(--white);--gh-ink:var(--ink);--gh-body:var(--body);--gh-muted:var(--muted);--gh-rule:var(--line);--gh-soft:var(--bg-soft);--gh-accent:var(--navy);--gh-hover:var(--navy-dark);--gh-focus:var(--steel);--gh-overlay:rgba(8,33,66,.46);--gh-shadow:0 16px 48px rgba(8,33,66,.16);--gh-error:#ad3030;--gh-success:#287047;--gh-chat-font:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.gh-utility{border-bottom:1px solid var(--gh-rule);background:var(--gh-soft)}
.gh-utility__inner{max-width:var(--maxw);padding:0 24px;margin:auto;display:flex;justify-content:flex-end;align-items:center;min-height:30px}
.gh-account-button{display:inline-flex;align-items:center;gap:7px;border:0;background:transparent;color:var(--gh-muted);font:inherit;font-size:12px;padding:5px 0;line-height:20px;cursor:pointer;white-space:nowrap}
.gh-account-button svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7}
.gh-account-button:hover{color:var(--gh-accent)}
.gh-auth-open{overflow:hidden!important}
.gh-dialog{position:fixed;inset:0;margin:auto;box-sizing:border-box;width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 32px);padding:28px;border:1px solid var(--gh-rule);border-radius:12px;background:var(--gh-paper);color:var(--gh-body);box-shadow:var(--gh-shadow);overflow:auto;font-size:14px;line-height:1.65}
.gh-dialog:not([open]){display:none}
.gh-dialog::backdrop{background:var(--gh-overlay)}
.gh-dialog .gh-close{position:absolute;inset-inline-end:12px;top:10px;width:44px;height:44px;padding:0;background:transparent;border:0;color:var(--gh-muted);font:inherit;font-size:24px;border-radius:6px;cursor:pointer}
.gh-brand{font-size:12px;color:var(--gh-muted);padding-inline-end:28px;margin-bottom:15px;letter-spacing:.2px}
.gh-dialog h2{font-size:25px;font-weight:650;line-height:1.4;color:var(--gh-ink);margin:0 0 9px;letter-spacing:-.4px}
.gh-dialog p{margin:0;color:var(--gh-muted);font-size:13px;line-height:1.65}
.gh-dialog form{margin-top:20px}
.gh-dialog label{display:block;margin:14px 0 7px;font-size:13px;font-weight:600;color:var(--gh-body)}
.gh-dialog input{display:block;box-sizing:border-box;width:100%;min-width:0;height:46px;padding:11px 12px;border:1px solid var(--gh-rule);border-radius:6px;background:var(--gh-paper);color:var(--gh-ink);font:inherit;font-size:15px;line-height:22px}
.gh-email-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(96px,36%);align-items:stretch;gap:8px}
.gh-email-row input{width:100%;min-width:0;background:var(--gh-paper)}
.gh-dialog .gh-send-code{min-width:0;min-height:46px;border:1px solid #ccd7e3;border-radius:6px;background:#f3f6fa;color:var(--gh-accent);font:inherit;font-size:12px;font-weight:500;line-height:1.45;padding:8px 10px;white-space:normal;overflow-wrap:anywhere;cursor:pointer}
.gh-dialog #gh-code{font-size:19px;letter-spacing:4px}
.gh-dialog #gh-code::placeholder{font-size:14px;letter-spacing:0}
.gh-dialog .gh-submit{display:block;width:100%;height:44px;border:0;border-radius:6px;margin:18px 0 0;background:var(--gh-accent);color:var(--gh-paper);font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.gh-dialog .gh-submit:hover{background:var(--gh-hover)}
.gh-dialog .gh-status{margin:12px 0 0;font-size:12px;white-space:pre-wrap;color:var(--gh-body)}
.gh-dialog .gh-status:empty{min-height:0;margin:0}
.gh-dialog .gh-privacy{font-size:11px;line-height:1.7;padding-top:14px;margin-top:20px;border-top:1px solid var(--gh-rule);color:var(--gh-muted)}
.gh-dialog button:disabled,.gh-chat button:disabled{opacity:.5;cursor:not-allowed}
.gh-dialog[data-state=loading] button:disabled,.gh-chat[data-state=loading] button:disabled{cursor:progress}
.gh-dialog button:not(:disabled):active,.gh-chat button:not(:disabled):active{transform:translateY(1px)}
.gh-dialog .gh-close:hover,.gh-dialog .gh-send-code:not(:disabled):hover{background:var(--gh-soft);color:var(--gh-ink)}
.gh-dialog input:focus-visible,.gh-dialog button:focus-visible,.gh-account-button:focus-visible,.gh-login:focus-visible,.gh-view-image:focus-visible{outline:2px solid var(--gh-focus);outline-offset:2px}
.gh-dialog[data-state=error] .gh-status{color:var(--gh-error)}
.gh-dialog[data-state=success] .gh-status{color:var(--gh-success)}
.gh-dialog .gh-session-retry{min-height:40px;padding:8px 12px;border:1px solid var(--gh-rule);border-radius:6px;background:var(--gh-soft);color:var(--gh-accent);font:inherit;cursor:pointer}
.gh-dialog .gh-session-retry[hidden],.gh-auth-notice[hidden],.gh-auth-notice a[hidden]{display:none}
.gh-dialog .gh-submit{height:auto;min-height:46px;padding:11px 16px;white-space:normal;line-height:1.5;overflow-wrap:anywhere}
.gh-dialog input:disabled{opacity:.75;cursor:wait}
.gh-dialog .gh-status{overflow-wrap:anywhere}
.gh-auth-notice{position:fixed;z-index:900;top:96px;right:24px;width:min(480px,calc(100vw - 32px));box-sizing:border-box;display:grid;grid-template-columns:1fr auto;gap:8px 18px;padding:18px 48px 18px 20px;border:1px solid #bbd8c8;border-left:4px solid var(--gh-success);border-radius:9px;background:#f4faf6;color:var(--gh-ink);box-shadow:0 8px 32px #182d421a;font:14px/1.7 var(--gh-chat-font)}
.gh-auth-notice a{align-self:end;color:var(--gh-accent);font-size:13px;text-decoration:underline;white-space:normal}
.gh-auth-notice button{position:absolute;right:4px;top:4px;width:36px;height:36px;border:0;border-radius:5px;background:transparent;color:var(--gh-muted);font:24px/1 sans-serif;cursor:pointer}
.gh-auth-notice button:focus-visible,.gh-auth-notice a:focus-visible{outline:2px solid var(--gh-focus);outline-offset:2px}
@media(max-width:480px){.gh-auth-notice{top:84px;right:16px;grid-template-columns:1fr}.gh-email-row{grid-template-columns:minmax(0,1fr);gap:8px}.gh-dialog .gh-send-code{justify-self:end;max-width:100%;min-height:36px;padding:7px 12px;font-size:12px}}
.gh-login{font:inherit;font-size:13px;border:0;border-bottom:1px solid var(--gh-rule);background:transparent;color:var(--gh-accent);padding:3px 0;cursor:pointer;white-space:nowrap}
.gh-account-field{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--gh-rule);padding:0 0 14px;margin:0 0 17px}
.gh-account-field p{font-size:12px;line-height:1.6;margin:0!important;overflow-wrap:anywhere;color:var(--gh-muted)}
.gh-account-field button{flex:none}
.gh-view-image{display:block;width:max-content;max-width:100%;margin:8px 0 12px auto;border:0;border-bottom:1px solid var(--gh-rule);background:transparent;color:var(--gh-muted);font:inherit;font-size:12px;line-height:1.6;padding:3px 0;cursor:pointer;white-space:nowrap}
.gh-view-image:hover{color:var(--gh-accent)}

.gh-utility{height:31px;box-sizing:border-box}
@media(max-width:480px){.gh-utility__inner{padding:0 20px;min-height:28px}.gh-dialog{padding:24px 22px}.gh-dialog h2{font-size:24px}.gh-brand{font-size:11px}.gh-account-field{gap:8px}.gh-account-field p{font-size:11px}}

/* One bounded panel, with a scrollable conversation and a stable composer. */
.advisor-contact.gh-support{z-index:1000;right:22px!important;bottom:22px!important}
.gh-support .advisor-contact__launcher{gap:8px;min-height:48px!important;padding:8px 17px 8px 12px!important;border:1px solid #dce4eb;border-radius:24px!important;background:#fff;color:#143d68;box-shadow:0 4px 18px #182d4214!important}
.gh-support .advisor-contact__launcher:hover{transform:translateY(-2px);background:#f5f7f9;color:#143d68;border-color:#c4d0db}
.gh-support .advisor-contact__launcher-icon{width:30px!important;height:30px!important;flex-basis:30px;border-radius:0;background:transparent}
.gh-support .advisor-contact__launcher-icon svg{width:21px;height:21px}
.gh-support .advisor-contact__launcher-label{display:flex}
.gh-support .advisor-contact__launcher-label strong{font-size:13px!important;font-weight:600;letter-spacing:.3px}
.gh-support .advisor-contact__scrim{background:rgba(16,34,50,.08);backdrop-filter:none}
.gh-support .advisor-contact__panel.gh-advisor-panel{position:fixed;inset:auto 22px 88px auto;width:min(396px,calc(100vw - 32px));height:min(640px,calc(100dvh - 112px));max-height:none;display:flex;flex-direction:column;box-sizing:border-box;padding:0;overflow:hidden;border:1px solid #dce4eb;border-radius:18px;background:#fff;box-shadow:0 16px 48px rgba(24,45,66,.14);font-family:var(--gh-chat-font)}
.gh-advisor-panel .advisor-contact__handle{display:none}
.gh-advisor-panel .advisor-contact__header{flex:none;display:flex;align-items:center;gap:11px;margin:0;padding:13px 12px 13px 20px;border-bottom:1px solid #e3e9ef;background:#fff}
.gh-advisor-panel .advisor-contact__header>div{min-width:0;flex:1;display:flex;flex-direction:column-reverse;gap:3px}
.gh-advisor-panel .advisor-contact__header h2{font-size:16px;line-height:1.5;letter-spacing:0;font-weight:650;color:var(--gh-ink);overflow-wrap:anywhere}
.gh-advisor-panel .advisor-contact__eyebrow{max-width:100%;margin:0;overflow:hidden;text-overflow:ellipsis;font-size:10px;line-height:1.5;font-weight:400;letter-spacing:0;color:var(--gh-muted);white-space:nowrap}
.gh-chat-identity{display:grid;place-items:center;flex:0 0 40px;height:40px;border:0;border-radius:12px;background:#f0f4f7;color:var(--gh-accent);font-size:14px;font-weight:700;letter-spacing:-.4px}
.gh-chat-reset{flex:none;max-width:70px;min-height:44px;overflow:hidden;text-overflow:ellipsis;padding:0 5px;border:0;background:transparent;color:var(--gh-muted);font:inherit;font-size:11px;white-space:nowrap;cursor:pointer}
.gh-chat-reset:hover{color:var(--gh-accent)}
.gh-advisor-panel .advisor-contact__close{flex:0 0 44px;width:44px;min-height:44px;border:0;border-radius:8px;background:transparent;color:var(--gh-muted);font-size:25px;font-weight:300}
.gh-advisor-panel .advisor-contact__close:hover{transform:none;background:var(--gh-soft);color:var(--gh-ink)}
.gh-chat{flex:1;min-height:0;display:flex;flex-direction:column;margin:0;padding:0;border:0;color:var(--gh-body)}
.gh-chat-log{min-height:0;flex:1 1 0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c7d3df transparent;padding:22px 20px 18px;background:#fff;scroll-behavior:auto}
.gh-chat-welcome{padding:6px 0 2px}
.gh-chat-welcome-label{display:flex;align-items:center;gap:7px;color:var(--gh-muted);font-size:11px;line-height:1.5}
.gh-chat-welcome-label:before{content:"";width:6px;height:6px;border-radius:50%;background:#348268}
.gh-chat-welcome h3{margin:14px 0 10px;font-size:22px;font-weight:550;line-height:1.45;letter-spacing:-.6px;color:var(--gh-ink)}
.gh-chat-welcome p{margin:0;color:var(--gh-muted);font-size:13px;line-height:1.85}
.gh-chat-suggestions{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.gh-chat-suggestions button{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:45px;padding:11px 13px;border:1px solid transparent;border-radius:10px;background:#f4f6f8;color:var(--gh-body);font:inherit;font-size:13px;line-height:1.6;text-align:start;cursor:pointer;transition:border-color .15s,background .15s}
.gh-chat-suggestions button>span:last-child{color:var(--gh-accent);font-size:16px}
.gh-chat-suggestions button:hover{border-color:#dce4eb;background:#edf2f6}
.gh-message{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 19px}
.gh-message:last-child{margin-bottom:0}
.gh-message-label{display:block;margin:0 0 6px 2px;color:var(--gh-muted);font-size:10px;line-height:1.5;letter-spacing:.2px}
.gh-message--user{align-items:flex-end}
.gh-message--user .gh-message-label{margin-right:2px}
.gh-bubble{box-sizing:border-box;max-width:95%;min-width:0;padding:12px 14px;border:1px solid #e1e8ef;border-radius:2px 12px 12px;background:#fff;color:var(--gh-body);font-family:var(--gh-chat-font);font-size:13px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere}
.gh-bubble.user{background:var(--gh-accent);color:#fff;border-color:var(--gh-accent);border-radius:12px 2px 12px 12px}
.gh-bubble.assistant:has(p){white-space:normal}
.gh-bubble p{margin:0 0 10px}
.gh-bubble p:last-child{margin-bottom:0}
.gh-bubble strong{font-weight:650;color:inherit}
.gh-bubble ul,.gh-bubble ol{padding-left:20px;margin:7px 0}
.gh-bubble ul li{list-style:disc}
.gh-bubble ol li{list-style:decimal}
.gh-bubble li+li{margin-top:4px}
.gh-bubble a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.gh-bubble pre{max-width:100%;overflow:auto;white-space:pre-wrap;background:#f1f4f7;padding:10px;border-radius:5px;font-size:12px}
.gh-bubble code{font-size:12px}
.gh-bubble blockquote{border-left:2px solid #c6d4e1;padding-left:10px;margin:9px 0;color:var(--gh-muted)}
.gh-bubble h1,.gh-bubble h2,.gh-bubble h3,.gh-bubble h4{font-size:14px;line-height:1.6;margin:10px 0 6px;letter-spacing:0}
.gh-bubble hr{border:0;border-top:1px solid #e1e8ef;margin:12px 0}
.gh-bubble.is-pending{color:var(--gh-muted);display:flex;gap:9px;align-items:center}
.gh-bubble.is-pending:before{content:"";flex:none;width:12px;height:12px;border:2px solid #dce4ec;border-top-color:var(--gh-accent);border-radius:50%;animation:gh-support-spin .8s linear infinite}
.gh-bubble.is-error{border-color:#e7c9c7;background:#fffafa;color:#923c36}
.gh-chat .gh-chat-retry{display:block;min-height:38px;margin:8px 0 -4px;padding:4px 0;border:0;background:transparent;color:var(--gh-accent);font:inherit;font-size:12px;font-weight:600;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.gh-chat-composer{flex:none;padding:13px 16px 11px;border-top:1px solid #e1e8ef;background:#fff}
.gh-chat form{display:flex;align-items:flex-end;gap:8px;margin:0;padding:4px;border:1px solid #e1e6eb;border-radius:12px;background:#f7f9fa;transition:border-color .15s,box-shadow .15s}
.gh-chat form:focus-within{border-color:#9aaebe;box-shadow:0 0 0 2px #143d6808;background:#fff}
.gh-chat textarea{box-sizing:border-box;resize:none;min-width:0;flex:1;height:46px;min-height:46px;max-height:116px;overflow-y:auto;padding:11px 9px;border:0;background:transparent;color:var(--gh-ink);font:inherit;font-size:14px;line-height:24px;border-radius:7px}
.gh-chat textarea:focus{outline:none}
.gh-chat textarea::placeholder{color:#738294}
.gh-chat .gh-chat-send{flex:none;display:flex;align-items:center;justify-content:center;gap:5px;min-width:44px;max-width:42%;min-height:44px;padding:0 10px;border:0;border-radius:8px;background:var(--gh-accent);color:#fff;font:inherit;font-size:12px;font-weight:500;line-height:1.4;overflow-wrap:anywhere;cursor:pointer}
.gh-chat .gh-chat-send:hover:not(:disabled){background:var(--gh-hover)}
.gh-chat .gh-chat-send>span{display:none}
.gh-chat-send svg{flex:none;width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.gh-chat[data-state=loading] .gh-chat-send svg{display:block}
.gh-chat-input-meta{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin:7px 2px 0;color:var(--gh-muted);font-size:10px;line-height:1.6}
.gh-chat-count{font-variant-numeric:tabular-nums;white-space:nowrap}
.gh-chat-notice{margin:5px 2px 0;color:var(--gh-muted);font-size:10px;line-height:1.7}
.gh-chat-footer{flex:none;display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:45px;padding:7px 18px;border-top:1px solid #e7edf2;background:#fff;color:var(--gh-muted);font-size:11px;line-height:1.5}
.gh-chat-footer>span{min-width:0;overflow-wrap:anywhere}
.gh-chat-contact{display:inline-flex;align-items:center;gap:8px;min-height:36px;max-width:55%;color:var(--gh-accent);font-size:12px;font-weight:600;white-space:normal;overflow-wrap:anywhere}
.gh-chat-contact>span{flex:none}
.gh-chat-contact:hover{text-decoration:underline;text-underline-offset:4px}
.gh-advisor-panel .advisor-contact__qr,.gh-advisor-panel .advisor-contact__person{flex:none;max-height:110px;overflow:auto;margin:0;padding:10px 16px;border-top:1px solid var(--gh-rule)}
.gh-advisor-panel button:disabled{cursor:not-allowed;opacity:.5}
.gh-advisor-panel button:focus-visible,.gh-advisor-panel a:focus-visible,.gh-support .advisor-contact__launcher:focus-visible{outline:2px solid #236c89;outline-offset:3px}
.gh-sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@keyframes gh-support-spin{to{transform:rotate(360deg)}}
@media(max-width:600px){
  .advisor-contact.gh-support{right:14px!important;bottom:calc(14px + env(safe-area-inset-bottom))!important}
  .gh-support .advisor-contact__launcher{min-height:46px!important;padding:7px 13px 7px 9px!important}
  .gh-support .advisor-contact__launcher-label strong{font-size:12px!important}
  .gh-support .advisor-contact__panel.gh-advisor-panel{inset:auto;left:8px;right:8px;top:var(--gh-viewport-top,8px);bottom:auto;width:auto;height:calc(var(--gh-viewport-height,100dvh) - 16px);max-height:none;border:1px solid #dce4eb;border-radius:12px;transform:translateY(24px);padding-bottom:env(safe-area-inset-bottom)}
  .gh-support.is-open .advisor-contact__panel.gh-advisor-panel{transform:translateY(0)}
  .gh-advisor-panel .advisor-contact__header{gap:6px;padding:12px}
  .gh-advisor-panel .advisor-contact__header h2{font-size:16px}
  .gh-chat-identity{flex-basis:32px;height:32px;font-size:12px;border-radius:9px}
  .gh-chat-reset{max-width:58px;font-size:10px;padding:0 3px}
  .gh-chat-log{padding:20px 16px}
  .gh-chat-welcome{padding:8px 2px}
  .gh-chat-welcome h3{font-size:23px}
  .gh-chat-suggestions button{font-size:13px;min-height:47px}
  .gh-chat textarea{font-size:16px}
  .gh-chat .gh-chat-send{flex:0 0 44px;width:44px;min-width:44px;max-width:44px;height:44px;min-height:44px;padding:0}
  .gh-chat .gh-chat-send>span{display:none}
  .gh-chat[data-state=loading] .gh-chat-send svg{display:block}
  .gh-chat-composer{padding:11px 12px 9px}
  .gh-chat-footer{padding:6px 15px}
}
@media(max-height:560px){
  .gh-advisor-panel .advisor-contact__header{padding-top:8px;padding-bottom:8px}
  .gh-chat-log{padding-top:14px;padding-bottom:14px}
  .gh-chat-composer{padding-top:8px;padding-bottom:7px}
  .gh-chat-footer{min-height:36px;padding-top:3px;padding-bottom:3px}
  .gh-chat-welcome h3{font-size:21px;margin:8px 0}
  .gh-chat-suggestions{margin-top:14px;gap:6px}
  .gh-chat-input-meta{margin-top:4px}
}
@media(prefers-reduced-motion:reduce){.gh-dialog *,.gh-support *{transition:none!important;scroll-behavior:auto!important}.gh-bubble.is-pending:before{animation:none}}