:root {
  --navy: #081830;
  --navy-2: #0d2a58;
  --ink: #141820;
  --paper: #f3eee4;
  --gold: #c9a44a;
  --gold-2: #ead7a0;
  --muted: #5c6472;
  --line: rgba(201, 164, 74, 0.35);
  --card: #ffffff;
  --shadow: 0 18px 40px rgba(8, 24, 48, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.55;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 24, 48, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #dce4f2;
  font-size: 14px;
}
.nav a:hover { color: var(--gold-2); }
.langs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.langs button {
  border: 1px solid transparent;
  background: transparent;
  color: #c5cedd;
  padding: 5px 8px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}
.langs button.on,
.langs button:hover {
  border-color: var(--gold);
  color: var(--gold-2);
}

.hero {
  background:
    radial-gradient(900px 420px at 80% 10%, rgba(201, 164, 74, 0.18), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, #0a2148 70%, #102a55 100%);
  color: #fff;
  padding: 72px 0 88px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.kicker {
  color: var(--gold-2);
  letter-spacing: 0.18em;
  font-size: 12px;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: 0.95;
  margin: 0 0 18px;
  letter-spacing: 0.04em;
}
.lead {
  font-size: 20px;
  color: #d7deea;
  max-width: 34rem;
  margin: 0 0 28px;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid transparent;
}
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: var(--gold-2); }
.btn-ghost { border-color: var(--gold); color: var(--gold-2); }
.btn-ghost:hover { background: rgba(201, 164, 74, 0.12); }
.hero-photo {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }

.section { padding: 72px 0; }
.section h2 {
  font-size: 32px;
  margin: 0 0 10px;
}
.section p.intro {
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 40rem;
}
.dark {
  background: var(--navy);
  color: #fff;
}
.dark .intro { color: #b7c2d4; }

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid rgba(8, 24, 48, 0.08);
  border-radius: 16px;
  padding: 22px 20px;
  box-shadow: var(--shadow);
}
.dark .card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(201, 164, 74, 0.18);
  box-shadow: none;
  color: #fff;
}
.card b { display: block; font-size: 17px; margin-bottom: 8px; color: var(--navy-2); }
.dark .card b { color: var(--gold-2); }
.card span { color: var(--muted); font-size: 14px; }
.dark .card span { color: #c5d0e0; }

.shots {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 16px;
}
.shot {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  min-height: 240px;
}
.shot img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
.shot figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 18px 16px 14px;
  background: linear-gradient(transparent, rgba(8, 24, 48, 0.82));
  color: #fff;
  font-weight: 600;
}
.shot.tall { grid-row: span 2; }
.shot.tall img { min-height: 496px; }

.video-box {
  border-radius: 18px;
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
}
.video-box video { width: 100%; }

.dl-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.dl {
  background: #fff;
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.dl h3 { margin: 0 0 8px; font-size: 24px; }
.dl p { margin: 0 0 18px; color: var(--muted); }
.ver { font-size: 13px; color: var(--navy-2); margin-bottom: 16px; }

.contact-box {
  background: #fff;
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.rows { display: grid; gap: 12px; }
.row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}
.row:last-child { border-bottom: 0; }
.row b { color: var(--muted); font-weight: 600; }
.row a { color: var(--navy-2); font-weight: 700; }
.empty-note { color: var(--muted); }

.foot {
  padding: 28px 0 40px;
  color: #9aa6b8;
  background: #061222;
  font-size: 13px;
}
.foot-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .features { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-grid, .shots, .dl-grid, .features { grid-template-columns: 1fr; }
  .shot.tall img { min-height: 240px; }
  .nav { display: none; }
  .hero { padding-top: 40px; }
  .row { grid-template-columns: 1fr; gap: 4px; }
}