.nav-wrap nav { gap: 8px; }
.nav-wrap nav > .nav-home, .nav-trigger { padding: 0 20px; }
.nav-wrap nav > .nav-home { font-size: 15px; }
.nav-group { position: relative; display: flex; align-items: stretch; }
.nav-trigger { display: inline-flex; align-items: center; gap: 8px; border: 0; background: transparent; color: #27334e; font-size: 15px; font-weight: 500; white-space: nowrap; }
.nav-trigger svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.3; transition: transform 180ms; }
.nav-trigger[aria-expanded="true"] { color: #5552c9; }
.nav-trigger[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-submenu { position: absolute; top: 100%; left: 0; min-width: 190px; padding: 12px 0; background: #fff; box-shadow: 0 12px 28px #1928491a; border-radius: 0 0 5px 5px; }
.nav-submenu[hidden] { display: none; }
.nav-wrap nav .nav-submenu a { display: block; padding: 12px 22px; font-size: 14px; line-height: 1.5; white-space: nowrap; color: #27334e; }
.nav-wrap nav .nav-submenu a:hover, .nav-wrap nav .nav-submenu a.active { color: #5552c9; background: #f5f5fb; }
.home-page header { position: fixed; inset: 0 0 auto; background: transparent; border-color: transparent; box-shadow: none; transition: background-color 360ms ease, box-shadow 360ms ease; }
.home-page.header-scrolled header, .home-page.navigation-open header { background: #fffffff7; box-shadow: 0 3px 18px #17233e0a; }
.home-page .nav-wrap { width: min(1320px, calc(100% - 160px)); }
.home-page .nav-wrap nav > .nav-home:hover, .home-page .nav-wrap nav > .nav-home.active { color: #5552c9; background: transparent; }
.home-page .brand, .home-page .brand small, .home-page .nav-trigger, .home-page .nav-home, .home-page .account-menu a { transition: color 300ms; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .brand,
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .brand small,
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .nav-wrap nav > .nav-home,
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .nav-trigger,
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-menu,
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-menu > a { color: #fff; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-toggle { background: transparent; color: #fff; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-toggle svg { stroke: #fff; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .menu-button { color: #fff; background: transparent; border-color: #ffffff75; }
.home-page .float-tools { opacity: 0; visibility: hidden; transition: opacity 220ms, visibility 220ms; }
.home-page.header-scrolled .float-tools { opacity: 1; visibility: visible; }
@media (min-width: 1101px) {
  .home-page .account-menu { margin-left: 25px; }
  .home-page .nav-wrap nav { margin-left: auto; }
}
@media (max-width: 1100px) {
  .home-page .nav-wrap { width: calc(100% - 96px); }
  .nav-wrap { position: relative; }
  .nav-wrap nav { position: absolute; top: 90px; left: 0; right: 0; padding: 16px 24px; background: #fff; box-shadow: 0 12px 18px #102b5012; }
  .nav-wrap nav, .nav-wrap nav.open { flex-direction: column; flex-wrap: nowrap; align-items: stretch; max-height: calc(100svh - 90px); overflow-y: auto; }
  .nav-wrap nav > .nav-home { height: 52px; flex-shrink: 0; padding: 0 10px; }
  .nav-group { display: block; }
  .nav-trigger { width: 100%; height: 52px; padding: 0 10px; justify-content: space-between; text-align: left; }
  .nav-submenu { position: static; box-shadow: none; padding: 0 0 12px 10px; }
  .nav-wrap nav .nav-submenu a { padding: 11px 18px; font-size: 14px; }
  .home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) nav .nav-home,
  .home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) nav .nav-trigger { color: #27334e; }
}
@media (max-width: 760px) {
  .home-page .nav-wrap { width: calc(100% - 32px); }
  .nav-wrap nav, .nav-wrap nav.open { max-height: calc(100svh - 74px); }
  .nav-wrap nav { top: 74px; left: -16px; right: -16px; padding: 12px 20px; }
  .home-page .menu-button { background: transparent; border-color: #aeb4c54d; }
  .home-page.navigation-open .menu-button { color: #27334e; background: #fff; }
}
@media (prefers-reduced-motion: reduce) {
  .home-page header, .home-page .brand, .home-page .brand small, .home-page .nav-trigger, .home-page .nav-home, .home-page .account-menu a { transition-duration: 100ms; }
}
@media print { .home-page header { position: static; background: #fff; } }

/* One translucent account surface for both visitor and signed-in states. */
.account-menu { gap: 0; padding: 3px; border: 1px solid #ffffffb8; border-radius: 28px; background: linear-gradient(120deg, #ffffff99, #d2d9fc70); backdrop-filter: blur(16px) saturate(135%); -webkit-backdrop-filter: blur(16px) saturate(135%); box-shadow: 0 5px 18px #4b55900a; color: #34385b; }
.account-menu > a { display: flex; align-items: center; justify-content: center; min-height: 40px; padding: 6px 15px; border-radius: 22px; color: inherit; font-size: 14px; font-weight: 550; }
.account-menu > a:hover { background: #ffffff66; color: #544bc3; text-decoration: none; }
.account-separator { display: block; width: 1px; height: 14px; background: currentColor; opacity: .2; }
.account-toggle { min-height: 40px; padding: 7px 12px; border-radius: 22px; background: transparent; color: inherit; font-size: 14px; transition: background-color 180ms; }
.account-toggle:hover, .account-toggle[aria-expanded="true"] { background: #ffffff60; }
.account-toggle svg { width: 21px; height: 24px; stroke: currentColor; }
.account-toggle > span:first-of-type { max-width: 105px; }
.account-dropdown { top: calc(100% + 12px); background: #fffffff0; backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); box-shadow: 0 12px 28px #242d521a; border-radius: 12px; padding: 7px; }
.account-dropdown a, .account-dropdown button { background: transparent; border-radius: 7px; padding: 10px 14px; }
.account-dropdown a:hover, .account-dropdown button:hover { background: #eaeaf78c; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-menu { background: linear-gradient(120deg, #ffffff30, #a9beff30); border-color: #ffffff70; box-shadow: 0 5px 18px #07172a0a; color: #fff; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-toggle { background: transparent; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-toggle:hover,
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-toggle[aria-expanded="true"],
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .account-menu > a:hover { background: #ffffff20; color: #fff; }
.home-page.header-scrolled .account-menu, .home-page.navigation-open .account-menu { background: linear-gradient(120deg, #f8f8ffbd, #e4e8fc85); border-color: #e1e4f3; }
@media (max-width: 1320px) and (min-width: 1101px) {
  .nav-wrap nav > .nav-home, .nav-trigger { padding-inline: 12px; }
  .home-page .account-menu { margin-left: 12px; }
}
@media (max-width: 760px) {
  .nav-wrap { gap: 8px; }
  .brand { font-size: 13px; gap: 4px; }
  .brand img { width: 38px; height: 45px; }
  .brand small { font-size: 7px; letter-spacing: .035em; }
  .account-menu { padding: 2px; flex-shrink: 0; }
  .account-menu > a { min-height: 36px; min-width: 36px; padding: 5px 8px; font-size: 12px; }
  .account-toggle { min-height: 36px; padding: 5px 8px; gap: 4px; font-size: 12px; max-width: 96px; }
  .account-toggle > span:first-of-type { max-width: 48px; }
  .account-toggle svg { width: 18px; height: 21px; }
  .menu-button { font-size: 12px; padding: 6px 8px; }
}
@media (max-width: 360px) {
  .nav-wrap { gap: 6px; }
  .brand { font-size: 10.5px; }
  .brand img { width: 30px; height: 39px; }
  .brand small { font-size: 6px; }
  .account-menu > a { padding-inline: 6px; min-width: 32px; font-size: 11px; }
  .account-toggle { max-width: 78px; padding-inline: 6px; font-size: 11px; }
  .account-toggle > span:first-of-type { max-width: 38px; }
  .account-toggle svg { width: 15px; }
  .menu-button { padding: 6px; font-size: 11px; }
}


/* Compact Chinese / CVAIC lockup replaces the former positioning tagline. */
.brand > .brand-symbol { flex-shrink: 0; object-fit: contain; }
.brand-lockup { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; line-height: 1.3; }
.brand-lockup strong { font-size: inherit; font-weight: inherit; letter-spacing: 0; white-space: nowrap; }
.brand .brand-wordmark { display: block; width: 126px; height: auto; object-fit: contain; }
.home-page.hero-city-active:not(.header-scrolled):not(.navigation-open) .brand-wordmark { filter: brightness(0) invert(1); }
@media (max-width: 760px) {
  .brand-lockup { gap: 4px; }
  .brand .brand-wordmark { width: 90px; height: auto; }
}
@media (max-width: 360px) {
  .brand-lockup { gap: 3px; }
  .brand .brand-wordmark { width: 76px; height: auto; }
}