:root{--shell-gold:#d8b76f;--shell-paper:#efe6d2;--shell-bg:rgba(3,15,17,.94)}
[data-site-header]{position:relative;z-index:30}
.site-shell-header{min-height:72px;display:flex;align-items:center;gap:24px;padding:0 clamp(18px,4vw,64px);border-bottom:1px solid rgba(216,183,111,.34);background:linear-gradient(180deg,var(--shell-bg),rgba(3,15,17,.72));box-shadow:0 10px 34px rgba(0,0,0,.24);backdrop-filter:blur(10px)}
.site-shell-header .brand{flex:0 0 auto;text-decoration:none}
.site-shell-header .brand-main{font-size:clamp(1.25rem,2vw,1.65rem);font-weight:800;letter-spacing:.12em;color:#f0d9a2}
.site-shell-nav{display:flex;align-items:center;justify-content:center;gap:clamp(12px,2vw,28px);margin-left:auto}
.site-shell-nav a{position:relative;color:#e9e2d3;text-decoration:none;font-size:1rem;line-height:72px;white-space:nowrap}
.site-shell-nav a:hover,.site-shell-nav a.active{color:#f3d58f}
.site-shell-nav a.active::after{content:"";position:absolute;left:12%;right:12%;bottom:14px;height:2px;background:var(--shell-gold);box-shadow:0 0 12px rgba(216,183,111,.7)}
.site-shell-nav .nav-item{position:relative}
.site-shell-nav .sub-menu{display:none;position:absolute;left:50%;top:60px;transform:translateX(-50%);min-width:180px;padding:10px;border:1px solid rgba(216,183,111,.42);background:rgba(3,14,16,.98);box-shadow:0 14px 34px rgba(0,0,0,.72)}
.site-shell-nav .nav-item:hover .sub-menu,.site-shell-nav .nav-item:focus-within .sub-menu{display:grid}
.site-shell-nav .sub-menu a{padding:10px 14px;line-height:1.4}
.site-shell-header .enter-btn{flex:0 0 auto;text-decoration:none}
.site-shell-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid rgba(216,183,111,.45);background:rgba(4,23,25,.8);color:#f0d9a2;font-size:1.3rem;border-radius:6px}
.site-shell-footer{position:relative;z-index:5;display:flex;justify-content:space-between;gap:20px;padding:24px clamp(18px,5vw,72px);border-top:1px solid rgba(216,183,111,.22);background:rgba(3,14,16,.78);color:#bfb6a4;font-size:.9rem}
.site-service-note{font-size:.78rem;color:#bca56e}
@media(max-width:980px){.site-shell-header{min-height:64px;flex-wrap:wrap;padding:10px 18px}.site-shell-toggle{display:block}.site-shell-nav{display:none;order:4;width:100%;margin:0;align-items:stretch;flex-direction:column;gap:0;padding:8px 0}.site-shell-header.nav-open .site-shell-nav{display:flex}.site-shell-nav a{line-height:44px;padding:0 12px}.site-shell-nav a.active::after{left:12px;right:auto;width:30px;bottom:4px}.site-shell-nav .nav-item{width:100%}.site-shell-nav .sub-menu{position:static;transform:none;min-width:0;margin:0 12px 8px;box-shadow:none}.site-shell-header .enter-btn{margin-left:auto}.site-shell-footer{flex-direction:column;text-align:center}}