:root {
  --ink: #102a43;
  --muted: #64748b;
  --line: #d9e2ec;
  --paper: #ffffff;
  --mist: #f4f8fb;
  --accent: #eb5e28;
  --night: #0b1f33;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, "Microsoft YaHei", sans-serif; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(calc(100% - 3rem), var(--container)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -4rem; left: 1rem; z-index: 20; padding: .6rem 1rem; color: #fff; background: var(--night); }
.skip-link:focus { top: 1rem; }

.topbar { color: #dce9f4; background: var(--night); font-size: .78rem; }
.topbar__inner { display: flex; justify-content: space-between; gap: 1rem; min-height: 2.25rem; align-items: center; }
.language-switch { display: flex; gap: .5rem; }
.language-switch a[aria-current="page"] { color: #fff; font-weight: 700; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgb(255 255 255 / .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.header__inner { display: flex; min-height: 4.75rem; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; }
.brand__image { display: block; width: clamp(11.5rem, 18vw, 14.5rem); height: auto; }
.primary-nav { display: flex; align-items: stretch; gap: 1.8rem; height: 4.75rem; }
.primary-nav > a, .nav-menu__trigger { display: inline-flex; align-items: center; position: relative; font-size: .9rem; font-weight: 700; }
.primary-nav > a::after, .nav-menu__trigger::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; content: ""; background: var(--accent); transform: scaleX(0); transition: transform .2s ease; }
.primary-nav > a:hover::after, .primary-nav > a[aria-current="page"]::after, .nav-menu__trigger:hover::after, .nav-menu__trigger[aria-current="page"]::after { transform: scaleX(1); }
.nav-menu { display: flex; position: relative; align-items: stretch; }
.nav-menu__trigger { gap: .35rem; }
.nav-menu__trigger > span { color: var(--accent); font-size: .8rem; }
.nav-menu__panel { display: none; position: absolute; top: calc(100% - 1px); left: 50%; z-index: 20; padding: 1.25rem; background: #fff; border: 1px solid var(--line); box-shadow: 0 1.2rem 2.4rem rgb(16 42 67 / .14); transform: translateX(-50%); }
.nav-menu:hover .nav-menu__panel, .nav-menu:focus-within .nav-menu__panel { display: grid; }
.nav-menu__panel--products { width: min(46rem, 88vw); grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.nav-menu__panel--products > div { display: grid; align-content: start; gap: .25rem; }
.nav-menu__panel b { padding: .25rem .55rem .55rem; color: var(--night); font-size: .76rem; }
.nav-menu__panel a { display: block; padding: .45rem .55rem; color: var(--muted); font-size: .82rem; font-weight: 500; }
.nav-menu__panel a:hover { color: var(--accent); background: var(--mist); }
.nav-menu__panel--solutions { width: min(34rem, 88vw); grid-template-columns: 1fr 1fr; gap: .2rem 1rem; }
.menu-toggle { display: none; width: 2.5rem; padding: .45rem; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: .28rem 0; background: var(--ink); }
.button { display: inline-flex; padding: .75rem 1.2rem; font-size: .9rem; font-weight: 700; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button--light { color: var(--night); background: #fff; }
.database-banner-image { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; object-fit: cover; opacity: .28; pointer-events: none; }
.section { padding: 6rem 0; }
.section--tint { background: var(--mist); }
.section--dark { color: #fff; background: var(--night); }
.section-label { margin: 0 0 .65rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.section-label--light { color: #f9a27e; }
h1, h2, h3, p { margin-top: 0; }
h2 { margin-bottom: 1.2rem; font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.2; }
.text-link { display: inline-flex; gap: .45rem; align-items: center; color: var(--accent); font-size: .9rem; font-weight: 700; }
.site-footer { padding-top: 4.5rem; color: #d7e1ea; background: #071626; font-size: .88rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr .8fr 1.2fr; gap: 3rem; padding-bottom: 3.5rem; }
.footer__eyebrow { color: #fff; font-weight: 800; letter-spacing: .12em; }
.site-footer h2 { margin-bottom: 1rem; color: #fff; font-family: inherit; font-size: 1rem; }
.footer__links, .footer__contact { display: grid; gap: .5rem; padding: 0; margin: 0; font-style: normal; list-style: none; }
.footer__links a:hover { color: #fff; }
.footer__bottom { padding: 1.25rem 0; border-top: 1px solid rgb(255 255 255 / .12); color: #aebdca; font-size: .75rem; }

@media (max-width: 760px) {
  .container { width: min(calc(100% - 2rem), var(--container)); }
  .topbar__inner { font-size: .7rem; }
  .menu-toggle { display: block; }
  .primary-nav { display: none; position: absolute; top: 100%; right: 0; left: 0; height: auto; padding: .5rem 1rem 1rem; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 12px 20px rgb(16 42 67 / .08); }
  .primary-nav.is-open { display: grid; }
  .primary-nav > a, .nav-menu__trigger { min-height: 2.75rem; }
  .nav-menu { display: block; }
  .nav-menu__panel { display: none !important; }
  .section { padding: 4rem 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2.5rem; }
}