/**
 * 文件：assets/css/header.css
 * 职责：PAK998 深翡翠绿页头、桌面导航与移动抽屉视觉。
 * 边界：只处理外观和响应式布局，不改下载路由与菜单逻辑。
 */
:root{
  --header-container-bg:#073426;
  --header-container-bg-2:#0d4936;
  --header-container-text:#fffdf3;
  --header-container-muted:#dbc985;
  --header-container-border:rgba(225,185,72,.42);
  --header-container-shadow:0 12px 34px rgba(8,52,37,.26);
  --header-logo-bg:#052d21;
  --header-logo-radius:50%;
  --header-menu-bg:rgba(255,255,255,.035);
  --header-menu-text:#f2f5ed;
  --header-menu-hover-bg:rgba(225,185,72,.15);
  --header-menu-hover-text:#ffe9a2;
  --header-download-bg:#ddb743;
  --header-download-text:#153b2d;
  --header-drawer-bg:#073426;
  --header-drawer-text:#fffdf3;
  --header-drawer-border:#b99a44;
}
.site-header{position:sticky;top:0;z-index:90;background:rgba(7,52,38,.94);backdrop-filter:blur(18px);color:var(--header-container-text);box-shadow:var(--header-container-shadow);border-bottom:1px solid var(--header-container-border)}
.site-header::after{content:"";position:absolute;inset:auto 0 0;height:2px;background:linear-gradient(90deg,transparent 4%,#ddb743 50%,transparent 96%);opacity:.78;pointer-events:none}
.header-inner{min-height:var(--header-h);display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:clamp(18px,3vw,42px)}
.header-brand-panel{min-width:0}.logo{display:inline-flex;align-items:center;gap:13px;color:inherit}.logo-media{display:grid;place-items:center;width:56px;min-width:56px;height:56px;padding:2px;border:1px solid rgba(242,207,101,.62);border-radius:var(--header-logo-radius);background:var(--header-logo-bg);box-shadow:0 0 0 4px rgba(255,255,255,.03),0 10px 22px rgba(0,0,0,.2);overflow:hidden}.logo--square .logo-media{width:56px;min-width:56px;height:56px}.custom-logo{width:100%;height:100%;object-fit:cover;border-radius:50%}.brand-copy{display:grid;gap:3px;min-width:0}.brand-eyebrow{display:block;color:var(--header-container-muted);font-size:.68rem;font-weight:850;letter-spacing:.17em;text-transform:uppercase}.logo-brand,.logo-text{color:#fffdf3;font-size:clamp(1.25rem,1.8vw,1.68rem);font-weight:950;letter-spacing:.055em;line-height:1;white-space:nowrap;text-shadow:0 2px 16px rgba(0,0,0,.2)}
.site-nav{justify-self:end;display:flex;align-items:center;min-width:0}.menu--primary{display:flex;align-items:center;justify-content:flex-end;gap:6px;list-style:none;margin:0;padding:0}.menu--primary>li{position:relative}.menu--primary a{position:relative;display:inline-flex;align-items:center;gap:9px;min-height:42px;padding:8px 13px;border:1px solid transparent;border-radius:4px 12px 4px 12px;color:var(--header-menu-text);font-size:.9rem;font-weight:850;white-space:nowrap;transition:.18s ease}.menu--primary a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:#ddb743;transform:scaleX(0);transform-origin:left;transition:transform .18s ease}.menu--primary a:hover,.menu--primary .current-menu-item>a{border-color:rgba(221,183,67,.18);background:var(--header-menu-hover-bg);color:var(--header-menu-hover-text)}.menu--primary a:hover::after,.menu--primary .current-menu-item>a::after{transform:scaleX(1)}
.menu--primary .sub-menu{position:absolute;top:calc(100% + 12px);right:0;min-width:210px;list-style:none;margin:0;padding:9px;border:1px solid #b99a44;border-radius:5px 18px 5px 18px;background:#073426;color:#fffdf3;box-shadow:0 20px 48px rgba(0,0,0,.4);opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease}.menu--primary li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}.menu--primary .sub-menu a{width:100%;justify-content:flex-start}.menu--primary .sub-menu a:hover{background:rgba(221,183,67,.11);color:#ffe9a2}
.header-utility{display:flex;align-items:center;justify-content:flex-end}.header-utility:empty{display:none}.header-download-link{min-height:44px;padding:9px 17px;border:1px solid #f1d16d;border-radius:14px 4px 14px 4px;background:linear-gradient(135deg,#f0d070,#d3a42f);color:var(--header-download-text);box-shadow:0 12px 28px rgba(128,92,13,.22);font-size:.9rem;font-weight:950;gap:9px}
.hamburger{display:none;width:44px;height:44px;border:1px solid rgba(221,183,67,.28);border-radius:14px 4px 14px 4px;background:rgba(221,183,67,.07);color:#e5c35b;place-items:center;cursor:pointer}
body.menu-open{overflow:hidden}.mobile-drawer,.drawer{display:none;position:fixed;inset:0;z-index:9999;pointer-events:none}.mobile-drawer__overlay,.drawer-backdrop{position:absolute;inset:0;z-index:0;background:rgba(1,12,8,.74);opacity:0;transition:.2s ease}.mobile-drawer__panel,.drawer-panel{position:absolute;z-index:2;top:10px;right:10px;bottom:10px;width:min(390px,calc(100% - 20px));padding:18px;border:1px solid var(--header-drawer-border);border-radius:26px 6px 26px 6px;background:linear-gradient(160deg,#0d1a11,#050906);color:var(--header-drawer-text);box-shadow:0 24px 64px rgba(0,0,0,.5);transform:translateX(calc(100% + 24px));visibility:hidden;transition:transform .24s ease,visibility 0s linear .24s;overflow:auto;overscroll-behavior:contain}.mobile-drawer.is-open,.drawer.open,.drawer.is-open,.drawer[aria-hidden="false"]{pointer-events:auto}.mobile-drawer.is-open .mobile-drawer__overlay,.drawer.open .drawer-backdrop,.drawer.is-open .drawer-backdrop,.drawer[aria-hidden="false"] .drawer-backdrop{opacity:1}.mobile-drawer.is-open .mobile-drawer__panel,.drawer.open .drawer-panel,.drawer.is-open .drawer-panel,.drawer[aria-hidden="false"] .drawer-panel{transform:translateX(0);visibility:visible;transition-delay:0s}
.mobile-drawer .menu,.drawer-menu{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:8px}.drawer-menu ul{list-style:none;margin:8px 0 0;padding-left:12px;display:grid;gap:8px}.mobile-drawer .menu a,.drawer-menu a{position:relative;z-index:2;display:flex;align-items:center;gap:12px;padding:13px 14px;border:1px solid #b99a44;border-radius:14px 4px 14px 4px;background:#0b4935;color:#fffdf3;font-weight:850}.mobile-drawer .menu a:hover,.drawer-menu a:hover{border-color:#d5ad3f;background:#12513c;color:#fff5cf}.mobile-drawer__close,.drawer-close{width:42px;height:42px;border:1px solid #b99a44;border-radius:14px 4px 14px 4px;background:#0b4935;color:#e5c35b;font-weight:900;cursor:pointer}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.drawer-title{color:#e5c35b;font-weight:950}.drawer-download-link{margin-top:14px}html.drawer-open{overflow:hidden}.drawer-menu .sub-menu{display:none}.drawer-menu .is-open>.sub-menu{display:grid}.submenu-toggle{position:absolute;right:8px;margin-top:8px;width:36px;height:36px;border:0;border-radius:12px 4px 12px 4px;background:#0b4935;color:#e5c35b}.drawer-menu .menu-item-has-children{position:relative}.submenu-toggle__icon::before{content:"+";font-weight:950}.is-open>.submenu-toggle .submenu-toggle__icon::before{content:"–"}
.menu--primary .menu-item-label,.mobile-drawer .menu-item-label,.drawer-menu .menu-item-label{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-width:0}.menu--primary .menu-item-icon,.mobile-drawer .menu-item-icon,.drawer-menu .menu-item-icon{margin:0;display:inline-grid;place-items:center;width:20px;height:20px;line-height:1}.menu--primary .menu-item-icon svg,.mobile-drawer .menu-item-icon svg,.drawer-menu .menu-item-icon svg{display:block;width:100%;height:100%}.header-download-link .menu-item-icon,.drawer-download-link .menu-item-icon{color:var(--header-download-icon-color,currentColor)}
@media(max-width:1023px){.site-nav,.header-utility{display:none}.hamburger{display:grid}.header-inner{grid-template-columns:minmax(0,1fr) auto}.logo-media,.logo--square .logo-media{width:50px;min-width:50px;height:50px}.mobile-drawer,.drawer{display:block}}
@media(max-width:520px){.header-inner{gap:10px}.logo{gap:10px}.logo-media,.logo--square .logo-media{width:46px;min-width:46px;height:46px}.brand-eyebrow{font-size:.61rem}.logo-brand,.logo-text{font-size:1.13rem}}