/* One overlaid navigation row, four groups and round contact. Shared ten type roles. */
:root{--header-height:96px;--rail-width:0px}
body.home{padding-right:0}body.home .header{right:0}
.header{display:flex;height:var(--header-height);padding:0 4.2%;gap:32px;justify-content:space-between}
.header-topline{display:flex;align-items:center;gap:24px}
.header .brand{min-width:190px}.header .brand-en{color:var(--bronze)}
.header.over-hero{background:linear-gradient(180deg,#172c423d,transparent);border:0}
.header.over-hero .brand-en{color:#fff}
.header .nav{display:flex;justify-content:center;align-items:center;gap:clamp(28px,4.2vw,70px);border:0}
.header .nav-top{white-space:nowrap;padding:18px 0}
.header .header-contact{display:flex;align-items:center;border-left:1px solid currentColor;white-space:nowrap;gap:22px;padding:8px 0 8px 24px}
.header.scrolled{height:var(--header-height);background:#fff;color:var(--ink);border-bottom:1px solid var(--line)}
.header.scrolled .nav,.header:not(.over-hero) .nav{border:0}
.header.over-hero.scrolled .brand-en{color:var(--bronze)}
.sub-main{padding-top:var(--header-height)}
.floating-contact{position:fixed;right:30px;bottom:30px;left:auto;z-index:40;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;width:84px;height:84px;border-radius:50%;padding:14px;background:var(--ink);color:#fff;border:1px solid #d8bd90;box-shadow:0 6px 22px #172c4233;font:var(--label);letter-spacing:var(--label-ls);text-align:center}
.floating-contact span{display:none}.floating-contact:hover{background:#344d66}
@media(max-width:1100px){:root{--header-height:78px}.header{display:flex;padding:0 24px}.header-topline{width:100%;justify-content:space-between}.header .nav,.header .header-contact{display:none}.header .menu-toggle{display:block}.header .brand{min-width:0}.mobile-nav{top:var(--header-height)}.floating-contact{right:16px;bottom:18px;width:74px;height:74px;padding:12px}.footer{padding-bottom:115px}}
@media(max-width:1100px){.header.scrolled~.floating-contact{display:none}}