/* Shared six-section navigation and WeChat contact; independent of page templates. */
.vr-header .vr-header-inner{gap:24px}
.vr-header .vr-navigation{gap:22px}
.vr-header .vr-header-cta{padding-inline:20px}
.vr-header .vr-nav-group:first-child>summary,.vr-header .vr-navigation>a[href="/ai-ttt/"]{font-weight:750}
.vr-header .vr-nav-group:last-of-type .vr-subnav{left:auto;right:-18px}
.vr-footer .vr-footer-inner{grid-template-columns:minmax(230px,.9fr) minmax(0,2fr);gap:32px 48px}
.vr-footer .vr-footer-six{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 24px;grid-row:span 2;grid-column:2}
.vr-footer .vr-footer-section{padding:0;background:none;border:0;border-radius:0;box-shadow:none;margin:0}
.vr-footer .vr-footer-section h3{margin:0 0 12px;font-size:15px}
.vr-footer .vr-footer-section-links{display:grid;gap:7px;align-content:start}
.vr-footer .vr-footer-section-links a{font-size:13px;line-height:1.6;min-height:25px}
.vr-footer .vr-footer-contact{grid-column:1;grid-row:2;margin-right:124px;min-width:0}
.vr-footer .vr-footer-contact a{overflow-wrap:anywhere}
.vr-footer .vr-footer-code{grid-column:1;grid-row:2;justify-self:end;text-align:center;width:110px}
.vr-footer .vr-footer-code p{font-size:11px}
.site-wechat-modal-open{overflow:hidden!important}
.site-wechat-dialog{position:fixed;inset:0;margin:auto;width:min(460px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:30px 28px 24px;overflow:auto;overscroll-behavior:contain;border:1px solid #dfe7ef;border-radius:18px;background:#fff;color:#172b44;box-shadow:0 24px 100px #102e5040;text-align:center;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6}
.site-wechat-dialog,.site-wechat-dialog *{box-sizing:border-box}
.site-wechat-dialog:not([open]){display:none}
.site-wechat-dialog::backdrop{background:rgb(8 27 49 / 62%);backdrop-filter:blur(3px)}
.site-wechat-dialog .site-wechat-close{position:absolute;right:9px;top:9px;display:flex;align-items:center;justify-content:center;min-width:44px;width:44px;height:44px;min-height:44px;border:0;background:transparent;color:#46596e;font-family:inherit;font-size:29px;line-height:1;border-radius:8px;cursor:pointer;padding:0;box-shadow:none}
.site-wechat-dialog .site-wechat-close:hover{background:#f4f7fb;color:#0052cc}
.site-wechat-dialog .site-wechat-eyebrow{font-size:12px;color:#0052cc;font-weight:700;margin:6px 24px 9px;letter-spacing:.04em}
.site-wechat-dialog h2{color:#102e50;font-size:25px;line-height:1.4;margin:0 10px 10px;letter-spacing:-.015em}
.site-wechat-dialog #site-wechat-intro{font-size:14px;line-height:1.7;color:#46596e;margin:0 auto 14px;max-width:340px}
.site-wechat-dialog .site-wechat-qr{display:block;width:min(240px,100%);height:auto;aspect-ratio:1;margin:0 auto;background:#fff;border-radius:4px}
.site-wechat-dialog .site-wechat-instruction{font-size:12px;color:#607286;line-height:1.6;margin:10px 0 16px}
.site-wechat-dialog .site-qr-mobile{display:none}
.site-wechat-dialog .site-wechat-remark{background:#f4f7fb;border:1px solid #dfe7ef;border-radius:10px;text-align:left;padding:14px 16px;margin:0 0 14px}
.site-wechat-dialog .site-wechat-remark label{display:block;font-size:12px;color:#607286;margin:0 0 6px}
.site-wechat-dialog #site-wechat-remark{display:block;width:100%;min-height:46px;border:0;background:transparent;color:#172b44;font:500 14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;resize:none;padding:0;margin:0 0 8px;box-shadow:none}
.site-wechat-dialog [data-wechat-copy]{display:inline-flex;align-items:center;justify-content:center;min-height:40px;border:1px solid #0052cc;border-radius:6px;padding:8px 14px;background:#0052cc;color:white;font:600 13px/1.4 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;cursor:pointer;box-shadow:none}
.site-wechat-dialog [data-wechat-copy]:hover{background:#003e9e}
.site-wechat-dialog .site-wechat-copy-status{font-size:12px;color:#46596e;line-height:1.5;margin:8px 0 0;min-height:18px}
.site-wechat-dialog .site-wechat-image-link{font-size:13px;color:#0052cc;text-underline-offset:4px}
.site-wechat-dialog a:focus-visible,.site-wechat-dialog button:focus-visible,.site-wechat-dialog textarea:focus-visible{outline:3px solid #008ac1;outline-offset:4px}
@media(min-width:1101px) and (max-width:1240px){.vr-header .vr-header-inner{gap:20px}.vr-header .vr-navigation{gap:18px}.vr-header .vr-header-cta{padding-inline:16px}}
@media(max-width:1100px){.vr-header .vr-navigation{gap:0}.vr-header .vr-header-inner{gap:20px}.vr-header .vr-nav-group:last-of-type .vr-subnav{left:auto;right:auto}.vr-footer .vr-footer-inner{gap:30px 32px;grid-template-columns:minmax(200px,.8fr) minmax(0,1.4fr)}.vr-footer .vr-footer-six{gap:26px 18px;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.vr-header .vr-header-inner{gap:12px}.vr-footer .vr-footer-inner{grid-template-columns:minmax(0,1fr) 110px;gap:26px 18px}.vr-footer .vr-footer-brand{grid-column:1/-1;grid-row:1}.vr-footer .vr-footer-six{grid-column:1/-1;grid-row:2;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}.vr-footer .vr-footer-contact{grid-row:3;grid-column:1;margin-right:0}.vr-footer .vr-footer-code{grid-row:3;grid-column:2}.vr-footer .vr-footer-section-links a{min-height:32px}.site-wechat-dialog{padding:28px 20px 22px}.site-wechat-dialog h2{font-size:23px}.site-wechat-dialog .site-qr-desktop{display:none}.site-wechat-dialog .site-qr-mobile{display:inline}.site-wechat-dialog .site-wechat-qr{width:min(220px,100%)}}
@media(max-height:700px){.site-wechat-dialog{padding-top:24px}.site-wechat-dialog .site-wechat-qr{width:180px}.site-wechat-dialog .site-wechat-instruction{margin:8px 0 12px}.site-wechat-dialog .site-wechat-remark{padding:12px}.site-wechat-dialog .site-wechat-copy-status{min-height:0}}