:root{--gptc-header-bg:#fff;--gptc-header-line:rgba(15,23,42,.08);--gptc-header-text:#172033;--gptc-header-primary:#2563eb}
.gptc-header-v6{position:sticky;top:0;z-index:95;background:rgba(255,255,255,.96);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--gptc-header-line)}
.gptc-header-v6__shell{width:min(1320px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:minmax(120px,var(--gptc-logo-percent,18%)) 1fr auto;align-items:center;gap:18px;min-height:72px;padding:10px 0}
.gptc-header-v6__brand{min-width:84px}.gptc-header-v6__brand a,.gptc-header-v6__mobile-logo{display:flex;align-items:center}.gptc-header-v6__brand .custom-logo,.gptc-header-v6__mobile-logo .custom-logo{width:100%;height:auto;max-height:52px;object-fit:contain}
.gptc-header-v6__logo-fallback{display:inline-flex;align-items:center;justify-content:center;min-width:92px;min-height:44px;padding:0 14px;border-radius:14px;background:rgba(37,99,235,.08);color:#2563eb;font-weight:800}
.gptc-header-v6__nav{min-width:0}.gptc-header-v6__menu,.gptc-header-v6__menu ul{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}.gptc-header-v6__menu li{position:relative}
.gptc-header-v6__menu a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:12px;text-decoration:none;color:var(--gptc-header-text);font-size:14px;font-weight:700}
.gptc-header-v6__menu a:hover,.gptc-header-v6__menu .current-menu-item>a,.gptc-header-v6__menu .current-menu-ancestor>a{background:rgba(15,23,42,.05);color:#2563eb}
.gptc-header-v6__menu li.menu-item-has-children>a::after{content:'';width:7px;height:7px;margin-left:8px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-1px)}
.gptc-header-v6__menu li.menu-item-has-children>ul{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;display:grid;gap:6px;padding:10px;border:1px solid var(--gptc-header-line);border-radius:18px;background:#fff;box-shadow:0 18px 44px rgba(15,23,42,.1);opacity:0;pointer-events:none;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease}
.gptc-header-v6__menu li:hover>ul,.gptc-header-v6__menu li:focus-within>ul{opacity:1;pointer-events:auto;transform:translateY(0)}
.gptc-header-v6__menu li.menu-item-has-children>ul a{min-height:38px;padding:0 12px}
.gptc-header-v6__actions{display:flex;align-items:center;gap:10px}.gptc-header-v6__button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:14px;border:1px solid transparent;text-decoration:none;font-size:14px;font-weight:800;white-space:nowrap}
.gptc-header-v6__button--primary{background:#2563eb;color:#fff}.gptc-header-v6__button--ghost{background:#fff;color:#172033;border-color:rgba(15,23,42,.14)}
.gptc-header-v6__burger{display:none;width:42px;height:42px;padding:0;border:1px solid rgba(15,23,42,.12);border-radius:14px;background:#fff}.gptc-header-v6__burger span{display:block;width:18px;height:2px;margin:4px auto;background:#172033;border-radius:999px}
.gptc-header-v6__mobile[hidden]{display:none}.gptc-header-v6__mobile{position:fixed;inset:0;z-index:120}.gptc-header-v6__mobile-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.45)}
.gptc-header-v6__mobile-panel{position:relative;width:min(380px,calc(100% - 14px));height:calc(100% - 14px);margin:7px 0 0 auto;padding:16px;border-radius:22px 0 0 22px;background:#fff;overflow:auto;box-shadow:0 20px 60px rgba(15,23,42,.18)}
.gptc-header-v6__mobile-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(15,23,42,.08)}
.gptc-header-v6__mobile-close{width:40px;height:40px;border:1px solid rgba(15,23,42,.12);border-radius:12px;background:#fff;font-size:24px;line-height:1}
.gptc-header-v6__mobile-nav{display:grid;gap:12px;padding-top:14px}.gptc-header-v6__mobile-menu,.gptc-header-v6__mobile-menu ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.gptc-header-v6__mobile-menu a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;background:#f8fbff;color:#172033;text-decoration:none;font-weight:700}
.gptc-header-v6__mobile-actions{display:grid;gap:10px;padding-top:8px}
body.gptc-mobile-open{overflow:hidden}
@media (max-width:1024px){.gptc-header-v6__shell{grid-template-columns:minmax(92px,var(--gptc-logo-percent,22%)) 1fr auto}.gptc-header-v6__menu a{padding:0 11px;font-size:13px}}
@media (max-width:860px){.gptc-header-v6__nav,.gptc-header-v6__button--ghost{display:none}.gptc-header-v6__burger{display:inline-block}.gptc-header-v6__shell{grid-template-columns:minmax(92px,var(--gptc-logo-percent,24%)) 1fr auto;min-height:66px}}
@media (max-width:640px){.gptc-header-v6__shell{width:min(100% - 20px,1320px);gap:10px}.gptc-header-v6__button{min-height:40px;padding:0 12px;font-size:13px}.gptc-header-v6__brand .custom-logo{max-height:46px}}