.qq-header{background:var(--qq-color-bg);border-bottom:1px solid var(--qq-color-border-light);position:sticky;top:0;z-index:100}.qq-header__inner{align-items:center;display:flex;height:var(--qq-header-height);justify-content:space-between}.qq-header__logo img{display:block;height:32px;width:auto}.qq-header__burger{background:none;border:0;cursor:pointer;display:none;flex-direction:column;gap:4px;padding:8px}.qq-header__burger span{background:var(--qq-color-text-strong);height:2px;width:22px}.qq-header__nav{align-items:center;display:flex;gap:var(--qq-space-lg)}.qq-nav{display:flex;gap:var(--qq-space-md);list-style:none;margin:0;padding:0}.qq-nav__item{font-size:14px;position:relative}.qq-nav__item>a,.qq-nav__label{color:var(--qq-color-text);cursor:pointer;display:inline-block;padding:var(--qq-space-sm) 0;text-decoration:none}.qq-nav__item--has-children:hover .qq-nav__children{display:block}.qq-nav__children{background:#fff;border-radius:var(--qq-radius);box-shadow:0 4px 16px rgba(0,0,0,.08);display:none;left:0;list-style:none;margin:0;min-width:220px;padding:var(--qq-space-sm) 0;position:absolute;top:100%}.qq-nav__children li a{color:var(--qq-color-text);display:block;font-size:13px;padding:var(--qq-space-sm) var(--qq-space-md);text-decoration:none;white-space:nowrap}.qq-nav__children li a:hover{background:var(--qq-color-border-light)}.qq-header__actions{display:flex;gap:var(--qq-space-sm)}.qq-header__actions .qq-btn{font-size:13px;padding:8px 20px}@media screen and (max-width:1023px){.qq-header__burger{display:flex}.qq-header__nav{align-items:stretch;background:#fff;bottom:0;display:none;flex-direction:column;left:0;overflow-y:auto;padding:var(--qq-space-lg) var(--qq-space-md);position:fixed;right:0;top:var(--qq-header-height)}.qq-header__nav.is-open{display:flex}.qq-nav{flex-direction:column;gap:0}.qq-nav__children{box-shadow:none;display:block;padding-left:var(--qq-space-md);position:static}.qq-nav__item--has-children:hover .qq-nav__children{display:block}.qq-header__actions{flex-direction:column;margin-top:var(--qq-space-md)}}