.skip-link { z-index: 40; }

.site-header {
  z-index: 30;
  background: #101b23;
  border-bottom: 1px solid #435561;
}

.site-header .header-inner { height: 82px; gap: 18px; }
.site-header .brand { flex: 0 0 auto; }
.site-header .brand strong { letter-spacing: 0; }
.site-header .brand small { color: #e4c58e; letter-spacing: 0; }
.site-header .header-inner > nav { gap: 12px; margin-left: auto; }
.site-header .header-inner > nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 5px;
  color: #f7f5f0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0;
  white-space: nowrap;
}
.site-header .header-inner > nav a:hover,
.site-header .header-inner > nav a:focus-visible { color: #ffda9e; }
.site-header .header-inner > nav a:focus-visible,
.site-header .header-cta:focus-visible,
.site-menu summary:focus-visible,
.site-menu-panel a:focus-visible { outline: 2px solid #ffda9e; outline-offset: 2px; }
.site-header .header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 13px;
  border-color: #d8b67b;
  background: #d8b67b;
  color: #17202a;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}
.site-header .header-cta span { color: #17202a; margin-left: 6px; }
.site-header .header-cta:hover { background: #f2d397; }
.site-menu { display: none; }

.hero-luoyang {
  min-height: min(78svh, 750px);
  isolation: isolate;
  background: #14222b;
}

.hero-luoyang .hero-scene-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  animation: luoyang-scene-drift 24s ease-in-out infinite alternate;
}

@keyframes luoyang-scene-drift {
  from { transform: scale(1); }
  to { transform: scale(1.035) translateY(-5px); }
}

.motion-paused .hero-luoyang .hero-scene-image { animation-play-state: paused; }

.hero-luoyang::before {
  z-index: 1;
  background: linear-gradient(90deg, rgba(6, 14, 22, .96), rgba(6, 14, 22, .78) 35%, rgba(6, 14, 22, .2) 79%),
    linear-gradient(0deg, rgba(5, 12, 19, .67), transparent 54%);
  opacity: 1;
}

.hero-luoyang .hero-grid {
  display: flex;
  align-items: end;
  min-height: min(78svh, 750px);
  padding-top: 88px;
  z-index: 2;
}

.hero-luoyang .hero-copy {
  width: min(100%, 680px);
  padding: 58px 0 54px;
}

.hero-luoyang .hero-kicker {
  margin: 21px 0 12px;
  font-size: 20px;
  letter-spacing: 0;
}

.hero-luoyang h1 {
  font-size: 66px;
  line-height: 1.18;
  letter-spacing: 0;
  white-space: normal;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .4);
}

.hero-luoyang h1 span {
  display: block;
  margin-top: 8px;
  font: 400 30px Georgia, serif;
}

.hero-luoyang .hero-lead {
  max-width: 540px;
  margin-top: 20px;
  line-height: 1.8;
  color: #eef0ed;
}

.hero-luoyang .hero-actions {
  margin-top: 25px;
  flex-wrap: wrap;
  gap: 14px 25px;
}

.hero-scene-caption {
  margin: 30px 0 0;
  color: #d8e1e3;
  font-size: 11px;
  line-height: 1.6;
}

.read-layout {
  display: grid;
  grid-template-columns: minmax(160px, 230px) minmax(0, 1fr);
  align-items: center;
  gap: 70px;
  text-align: left;
}

.read-cover img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  box-shadow: 0 24px 55px rgba(0, 0, 0, .4);
}

.read-copy > p:not(.section-label) {
  max-width: 610px;
  color: #aebac3;
  font-size: 13px;
  line-height: 1.9;
  margin: 22px 0;
}

.read-copy .read-disclaimer {
  font-size: 11px !important;
  color: #9ba9b2 !important;
}

@media (max-width: 900px) {
  .site-header .header-inner { height: 72px; }
  .site-header .header-inner > nav,
  .site-header .header-cta { display: none; }
  .site-menu { display: block; margin-left: auto; }
  .site-menu summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 88px;
    min-height: 46px;
    padding: 8px 12px;
    border: 1px solid #92a4aa;
    color: #f7f5f0;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
  }
  .site-menu summary::-webkit-details-marker { display: none; }
  .site-menu summary:hover,
  .site-menu[open] summary { background: #263c48; }
  .site-header .site-menu-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin: 0;
    padding: 12px max(22px, calc((100vw - 720px) / 2));
    border-bottom: 1px solid #60727b;
    background: #101b23;
    box-shadow: 0 14px 25px #0008;
  }
  .site-menu-panel a {
    display: flex;
    align-items: center;
    min-height: 50px;
    padding: 10px 14px;
    color: #f7f5f0;
    font-size: 15px;
    font-weight: 600;
    border-bottom: 1px solid #344650;
  }
  .site-menu-panel a:hover { color: #ffda9e; background: #263c48; }
  .site-menu-panel .menu-buy { color: #ffda9e; }
  .hero-luoyang h1 { font-size: 55px; }
  .read-layout { gap: 40px; }
}

@media (max-width: 720px) {
  .site-header .header-inner { height: 68px; }
  .site-header .brand small { font-size: 8px; }
  .hero-luoyang,
  .hero-luoyang .hero-grid { min-height: 76svh; }
  .hero-luoyang::before {
    background: linear-gradient(0deg, rgba(6, 14, 22, .96), rgba(6, 14, 22, .73) 52%, rgba(6, 14, 22, .18));
  }
  .hero-luoyang .hero-scene-image { object-position: center; }
  .hero-luoyang .hero-grid { padding-top: 68px; }
  .hero-luoyang .hero-copy { padding: 28px 0 30px; }
  .hero-luoyang .hero-kicker { font-size: 16px; margin: 15px 0 9px; }
  .hero-luoyang h1 { font-size: 43px; }
  .hero-luoyang h1 span { font-size: 22px; margin-top: 3px; }
  .hero-luoyang .hero-lead { font-size: 13px; line-height: 1.65; margin-top: 13px; }
  .hero-luoyang .hero-actions { margin-top: 18px; }
  .hero-scene-caption { margin-top: 18px; font-size: 10px; }
  .read-layout { grid-template-columns: 1fr; gap: 27px; padding: 50px 0; }
  .read-cover { width: 125px; }
}

@media (max-width: 420px) {
  .site-header .site-menu-panel { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .hero-luoyang h1 { font-size: 37px; }
  .hero-luoyang .hero-actions { gap: 12px; }
  .hero-luoyang .button { min-height: 45px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-luoyang .hero-scene-image { animation: none; }
}
