:root {
  --marble: #ffffff;
  --stone: #f8f6f0;
  --blue-stone: #eaeff5;
  --bronze: #5a4d41;
  --gold: #c5a059;
  --red: #c61a1a;
  --red-dark: #981414;
  --ink: #2e2924;
  --muted: #776b5f;
  --line: rgba(90, 77, 65, 0.18);
  --shadow: 0 18px 44px rgba(58, 48, 40, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--bronze);
  background:
    linear-gradient(180deg, rgba(234, 239, 245, 0.82), rgba(255, 255, 255, 0) 260px),
    radial-gradient(circle at 20% 0, rgba(197, 160, 89, 0.12), transparent 310px),
    var(--marble);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--red);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.icon {
  --size: 18px;
  display: inline-block;
  width: var(--size);
  height: var(--size);
  flex: 0 0 auto;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

.icon-scroll {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 21h8'/%3E%3Cpath d='M12 17v4'/%3E%3Cpath d='M7 4h10a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2Z'/%3E%3Cpath d='M9 8h6'/%3E%3Cpath d='M9 12h4'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-map {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14.5 4.5 9.5 2 3 5.5v16l6.5-3.5 5 2.5 6.5-3.5v-16l-6.5 3.5Z'/%3E%3Cpath d='M9.5 2v16'/%3E%3Cpath d='M14.5 4.5v16'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-sword {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14.5 17.5 3 6V3h3l11.5 11.5'/%3E%3Cpath d='M13 19l6-6'/%3E%3Cpath d='m16 16 4 4'/%3E%3Cpath d='m19 21 2-2'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-spark {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3 9.7 9.7 3 12l6.7 2.3L12 21l2.3-6.7L21 12l-6.7-2.3L12 3Z'/%3E%3Cpath d='M19 3v4'/%3E%3Cpath d='M21 5h-4'/%3E%3Cpath d='M5 17v3'/%3E%3Cpath d='M6.5 18.5h-3'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-history {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 12a9 9 0 1 0 3-6.7'/%3E%3Cpath d='M3 3v6h6'/%3E%3Cpath d='M12 7v5l3 2'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-help {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M9.1 9a3 3 0 1 1 5.8 1c-.6 1.2-1.9 1.6-2.5 2.5-.3.4-.4.8-.4 1.5'/%3E%3Cpath d='M12 18h.01'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-external {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6'/%3E%3Cpath d='M10 14 21 3'/%3E%3Cpath d='M21 14v5a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-users {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M22 21v-2a4 4 0 0 0-3-3.87'/%3E%3Cpath d='M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-route {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='6' cy='19' r='3'/%3E%3Cpath d='M9 19h5a4 4 0 0 0 0-8h-4a4 4 0 0 1 0-8h5'/%3E%3Ccircle cx='18' cy='5' r='3'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-image {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Ccircle cx='9' cy='9' r='2'/%3E%3Cpath d='m21 15-3.1-3.1a2 2 0 0 0-2.8 0L6 21'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-zap {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M13 2 3 14h8l-1 8 11-13h-8l0-7Z'/%3E%3C/svg%3E");
}

.icon-chevron-left {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m15 18-6-6 6-6' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.icon-chevron-right {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m9 18 6-6-6-6' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.nav-shell {
  width: min(100% - 40px, var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 800;
  color: var(--ink);
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  flex: 0 0 auto;
  border: 2px solid rgba(197, 160, 89, 0.75);
  border-radius: 50%;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 18px rgba(90, 77, 65, 0.16);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.brand-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 9px 11px;
  color: var(--bronze);
  font-size: 14px;
  font-weight: 700;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.nav-links a > * {
  position: relative;
  z-index: 1;
}

.nav-links a::before,
.quick-index a::before,
.button::before,
.guide-tab::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 50%;
  z-index: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(198, 26, 26, 0.1);
  opacity: 0;
  transform: translateY(-50%) scale(0.72);
  transition: opacity 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--red);
  border-color: rgba(198, 26, 26, 0.34);
  background: transparent;
}

.nav-links a:not(.nav-cta):hover::before,
.nav-links a:not(.nav-cta).is-active::before {
  opacity: 0;
  transform: translateY(-50%) scale(0.72);
}

.nav-links .nav-cta {
  margin-left: 8px;
  color: var(--red);
  background: transparent;
}

.nav-links a.nav-cta:hover,
.nav-links a.nav-cta.is-active {
  color: var(--red-dark);
  border-color: transparent;
  background: transparent;
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(198, 26, 26, 0.12);
}

.nav-links .nav-cta::before {
  background: var(--red);
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.nav-links .nav-cta:hover::before,
.nav-links .nav-cta.is-active::before {
  background: var(--red-dark);
}

.nav-links .nav-cta .icon {
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--marble);
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.nav-toggle:hover {
  border-color: rgba(198, 26, 26, 0.34);
  background: rgba(198, 26, 26, 0.08);
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--bronze);
}

main {
  overflow: hidden;
}

.hero {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 64px 0 36px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 44px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: 0;
}

h1 {
  font-size: 42px;
  max-width: 9em;
}

h2 {
  font-size: 30px;
}

h3 {
  font-size: 20px;
}

p {
  margin: 0;
}

.hero-lead {
  max-width: 620px;
  margin-top: 18px;
  color: var(--bronze);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 11px 18px 11px 54px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.button > * {
  position: relative;
  z-index: 1;
}

.button .icon {
  position: absolute;
  left: 17px;
  top: 50%;
  transform: translateY(-50%);
}

.button::before {
  left: 10px;
  width: 32px;
  height: 32px;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(90, 77, 65, 0.16);
}

.button:hover::before {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.button-primary {
  color: var(--red);
  border-color: rgba(198, 26, 26, 0.26);
  background: rgba(255, 255, 255, 0.82);
}

.button-primary::before {
  background: var(--red);
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.button-primary .icon {
  color: #fff;
}

.button-primary:hover {
  color: var(--red-dark);
  background: rgba(255, 255, 255, 0.92);
}

.button-primary:hover::before {
  background: var(--red-dark);
}

.button-secondary {
  color: var(--red);
  border-color: rgba(198, 26, 26, 0.26);
  background: rgba(255, 255, 255, 0.82);
}

.hero-facts {
  margin: 30px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hero-facts div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: rgba(248, 246, 240, 0.84);
}

.hero-facts dt {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
}

.hero-facts dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.hero-media,
.framed-media,
.media-row figure,
.gallery-slide {
  margin: 0;
}

.hero-media {
  position: relative;
  border: 1px solid rgba(197, 160, 89, 0.52);
  border-radius: 8px;
  overflow: hidden;
  background: var(--stone);
  box-shadow: var(--shadow);
}

.hero-media img,
.framed-media img,
.media-row img,
.gallery-slide img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--blue-stone);
}

.hero-media figcaption,
.framed-media figcaption,
.media-row figcaption,
.gallery-slide figcaption {
  color: var(--muted);
  font-size: 14px;
}

.hero-media figcaption {
  padding: 14px 16px;
  background: #fff;
}

.quick-index {
  width: min(100% - 40px, var(--max));
  margin: 0 auto 28px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.quick-index a {
  position: relative;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--bronze);
  background: var(--stone);
  font-weight: 800;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.quick-index a > * {
  position: relative;
  z-index: 1;
}

.quick-index a:hover {
  border-color: rgba(198, 26, 26, 0.35);
  color: var(--red);
  transform: translateY(-1px);
}

.quick-index a:hover::before {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.content-band,
.gallery-section,
.faq-section,
.final-cta {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 64px 0;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-heading p:last-child {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 12px;
  color: var(--muted);
  font-size: 17px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.84fr);
  gap: 26px;
  align-items: stretch;
}

.prose {
  border-left: 4px solid var(--gold);
  padding: 8px 0 8px 24px;
}

.prose h3 {
  margin-bottom: 14px;
}

.prose p + p {
  margin-top: 14px;
}

.stat-row {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stat-row span {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--blue-stone);
  font-size: 14px;
  font-weight: 700;
}

.framed-media {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--marble);
  box-shadow: var(--shadow);
}

.framed-media figcaption,
.media-row figcaption {
  padding: 12px 14px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.content-grid {
  margin-bottom: 24px;
}

.info-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: linear-gradient(180deg, #fff, var(--stone));
  box-shadow: 0 12px 30px rgba(90, 77, 65, 0.08);
}

.info-card h3 {
  margin-bottom: 10px;
}

.info-card p {
  color: var(--muted);
}

.card-icon {
  display: inline-grid;
  min-width: 46px;
  height: 30px;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--bronze);
  font-size: 13px;
  font-weight: 900;
}

.media-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.media-row figure {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.guide-section {
  position: relative;
}

.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.guide-panel {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 8px;
}

.guide-tab {
  position: relative;
  width: 100%;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--bronze);
  background: #fff;
  cursor: pointer;
  font-weight: 800;
  text-align: left;
  padding: 9px 12px;
}

.guide-tab > * {
  position: relative;
  z-index: 1;
}

.guide-tab.is-active,
.guide-tab:hover {
  border-color: rgba(198, 26, 26, 0.38);
  color: var(--red);
  background: #fff;
}

.guide-tab.is-active::before,
.guide-tab:hover::before {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.guide-copy {
  display: grid;
  gap: 12px;
}

.guide-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: #fff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.guide-item.is-active {
  border-color: rgba(198, 26, 26, 0.4);
  box-shadow: 0 14px 32px rgba(198, 26, 26, 0.09);
}

.guide-item h3 {
  margin-bottom: 8px;
}

.guide-item p {
  color: var(--muted);
}

.gallery-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.gallery-frame {
  position: relative;
  border: 1px solid rgba(197, 160, 89, 0.48);
  border-radius: 8px;
  overflow: hidden;
  background: #1f1c1a;
  box-shadow: var(--shadow);
}

.gallery-track {
  min-height: 520px;
}

.gallery-slide {
  display: none;
}

.gallery-slide.is-active {
  display: block;
}

.gallery-slide img {
  min-height: 520px;
  object-fit: cover;
}

.gallery-slide figcaption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  max-width: min(520px, calc(100% - 120px));
  border-radius: 6px;
  padding: 10px 12px;
  color: #fff;
  background: rgba(46, 41, 36, 0.82);
  font-weight: 700;
}

.gallery-control {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  color: #fff;
  background: rgba(46, 41, 36, 0.72);
  cursor: pointer;
  font-size: 34px;
  line-height: 1;
}

.gallery-control .icon {
  --size: 28px;
}

.gallery-control:hover {
  background: var(--red);
}

.gallery-control.prev {
  left: 14px;
}

.gallery-control.next {
  right: 14px;
}

.gallery-dots {
  position: absolute;
  right: 18px;
  bottom: 22px;
  z-index: 2;
  display: flex;
  gap: 7px;
}

.gallery-dots button {
  width: 10px;
  height: 10px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  padding: 0;
  background: rgba(255, 255, 255, 0.36);
  cursor: pointer;
}

.gallery-dots button.is-active {
  background: var(--red);
}

.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.update-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.update-overview article {
  border: 1px solid rgba(197, 160, 89, 0.36);
  border-radius: 8px;
  padding: 18px;
  background: linear-gradient(180deg, #fff, var(--stone));
}

.update-overview span {
  display: block;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.update-overview strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.35;
}

.update-overview p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
}

.timeline li {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
  background: linear-gradient(180deg, #fff, var(--blue-stone));
}

.timeline time {
  display: inline-block;
  margin-bottom: 7px;
  color: var(--red);
  font-size: 14px;
  font-weight: 900;
}

.timeline h3 {
  margin-bottom: 6px;
}

.timeline p {
  color: var(--muted);
}

.update-points {
  margin: 14px 0 0;
  padding-left: 0;
  display: grid;
  gap: 8px;
  list-style: none;
}

.update-points li {
  border: 0;
  border-radius: 6px;
  padding: 0 0 0 18px;
  background: transparent;
  color: var(--muted);
}

.update-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  margin: 0;
  border-radius: 50%;
  background: var(--gold);
}

.update-note {
  margin-top: 18px;
  border: 1px solid rgba(198, 26, 26, 0.2);
  border-left: 4px solid var(--red);
  border-radius: 8px;
  padding: 20px 22px;
  background: rgba(198, 26, 26, 0.05);
}

.update-note h3 {
  margin-bottom: 8px;
}

.update-note p {
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--ink);
  font-weight: 900;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--red);
  font-size: 22px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  padding: 0 20px 18px;
  color: var(--muted);
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid rgba(197, 160, 89, 0.48);
  border-radius: 8px;
  margin-bottom: 64px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(90, 77, 65, 0.96), rgba(60, 52, 46, 0.96)),
    var(--bronze);
  color: #fff;
}

.final-cta h2,
.final-cta .eyebrow {
  color: #fff;
}

.final-cta p:last-child {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 8px;
}

.final-cta .button-primary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.final-cta .button-primary:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.partner-links {
  position: relative;
  overflow: hidden;
  padding: 54px 20px 58px;
  color: #fff;
  background:
    radial-gradient(circle at 50% 0, rgba(197, 160, 89, 0.26), transparent 360px),
    linear-gradient(90deg, #24352f 0%, var(--bronze) 50%, #294033 100%);
}

.partner-links::before,
.partner-links::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.partner-links::before {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.18), transparent 24%, transparent 76%, rgba(0, 0, 0, 0.14)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 72px);
  opacity: 0.35;
}

.partner-links::after {
  width: min(760px, 80%);
  height: 1px;
  margin: 0 auto;
  top: 42px;
  background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.52), transparent);
}

.partner-inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
  text-align: center;
}

.partner-label {
  margin: 0 0 8px;
  color: #9bd4ff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.3;
  text-transform: uppercase;
}

.partner-links h2 {
  color: var(--gold);
  font-size: 36px;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}

.partner-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 26px;
}

.partner-list a {
  position: relative;
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 12px 22px;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 12px 28px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(8px);
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.22s ease, background-color 0.22s ease, box-shadow 0.22s ease;
}

.partner-list a span {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #78c8ff;
  box-shadow: 0 0 0 5px rgba(120, 200, 255, 0.16), 0 0 18px rgba(120, 200, 255, 0.75);
}

.partner-list a strong {
  font-size: 17px;
  line-height: 1.25;
}

.partner-list a:hover {
  transform: translateY(-3px);
  border-color: rgba(197, 160, 89, 0.68);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 18px 36px rgba(0, 0, 0, 0.2);
}

.partner-list a:hover span {
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(197, 160, 89, 0.2), 0 0 18px rgba(197, 160, 89, 0.82);
}

.floating-detail {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(198, 26, 26, 0.22);
  border-radius: 999px;
  padding: 10px 18px 10px 11px;
  color: var(--red);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(90, 77, 65, 0.22);
  backdrop-filter: blur(12px);
  font-weight: 900;
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.22s ease, border-color 0.22s ease;
}

.floating-detail::after {
  content: "";
  position: absolute;
  inset: -6px;
  z-index: -1;
  border-radius: inherit;
  background: rgba(198, 26, 26, 0.12);
  opacity: 0.7;
  animation: floatPulse 2.4s ease-in-out infinite;
}

.floating-detail .icon {
  --size: 34px;
  border-radius: 50%;
  padding: 8px;
  color: #fff;
  background: var(--red);
  -webkit-mask: none;
  mask: none;
  display: grid;
  place-items: center;
}

.floating-detail .icon::before {
  content: "";
  width: 18px;
  height: 18px;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

.floating-detail:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 26, 26, 0.42);
  box-shadow: 0 22px 52px rgba(90, 77, 65, 0.28);
}

@keyframes floatPulse {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.42;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.8;
  }
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--stone);
}

.footer-grid {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 28px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.footer-grid strong {
  display: block;
  color: var(--ink);
  margin-bottom: 6px;
}

.footer-grid p {
  color: var(--muted);
  font-size: 14px;
}

.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 14px;
  max-width: 520px;
  font-size: 14px;
  font-weight: 700;
}

.footer-grid a:hover {
  color: var(--red);
}

.section-observe {
  scroll-margin-top: 92px;
}

::selection {
  color: #fff;
  background: var(--red);
}

:focus-visible {
  outline: 3px solid rgba(198, 26, 26, 0.36);
  outline-offset: 3px;
}

.site-header {
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
}

.site-header:hover {
  box-shadow: 0 10px 28px rgba(90, 77, 65, 0.08);
}

.brand-mark,
.nav-links .icon,
.quick-index .icon,
.button .icon,
.guide-tab .icon {
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.22s ease;
}

.brand:hover .brand-mark {
  transform: rotate(-6deg) scale(1.05);
}

.nav-links a:not(.nav-cta):hover,
.nav-links a:not(.nav-cta).is-active {
  box-shadow: 0 8px 20px rgba(198, 26, 26, 0.08);
  text-shadow: 0 0 18px rgba(198, 26, 26, 0.22);
}

.nav-links a:not(.nav-cta):hover .icon,
.nav-links a:not(.nav-cta).is-active .icon {
  transform: translateY(-1px) scale(1.08);
}

.nav-links a.nav-cta:hover .icon {
  transform: translateY(-1px) scale(1.08);
}

.nav-toggle:hover .nav-toggle-line {
  background: var(--red);
}

.button {
  overflow: hidden;
}

.button::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.64) 42%, transparent 72%);
  opacity: 0;
  transform: translateX(-120%);
  transition: opacity 0.24s ease, transform 0.52s ease;
}

.button:hover::after {
  opacity: 1;
  transform: translateX(120%);
}

.button:hover .icon {
  transform: translateY(-50%) scale(1.08);
}

.hero-media,
.framed-media,
.media-row figure,
.gallery-frame,
.info-card,
.timeline li,
.faq-list details,
.update-overview article {
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.24s ease, border-color 0.24s ease;
}

.hero-media:hover,
.framed-media:hover,
.media-row figure:hover,
.gallery-frame:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 26, 26, 0.32);
  box-shadow: 0 24px 58px rgba(58, 48, 40, 0.18);
}

.hero-media img,
.framed-media img,
.media-row img,
.gallery-slide img {
  transition: transform 0.42s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.42s ease;
}

.hero-media:hover img,
.framed-media:hover img,
.media-row figure:hover img,
.gallery-frame:hover .gallery-slide.is-active img {
  transform: scale(1.025);
  filter: saturate(1.06) contrast(1.03);
}

.quick-index a:hover {
  box-shadow: 0 14px 28px rgba(90, 77, 65, 0.12);
}

.quick-index a:hover .icon {
  transform: translateY(-1px) scale(1.08);
}

.info-card:hover,
.update-overview article:hover,
.timeline li:hover,
.faq-list details:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 26, 26, 0.28);
  box-shadow: 0 18px 38px rgba(90, 77, 65, 0.12);
}

.info-card:hover .card-icon {
  background: var(--red);
}

.guide-tab:hover .icon,
.guide-tab.is-active .icon {
  transform: translateY(-1px) scale(1.08);
}

.guide-item {
  position: relative;
  overflow: hidden;
}

.guide-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--red);
  opacity: 0;
  transform: scaleY(0.5);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.guide-item.is-active::before,
.guide-item:hover::before {
  opacity: 1;
  transform: scaleY(1);
}

.faq-list summary {
  transition: color 0.18s ease, background-color 0.18s ease;
}

.faq-list details:hover summary {
  color: var(--red);
  background: rgba(198, 26, 26, 0.04);
}

.gallery-control {
  transition: transform 0.2s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.gallery-control:hover {
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.22);
}

.effects-ready .section-observe {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.56s ease, transform 0.56s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.effects-ready .section-observe.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 26px;
  }

  .nav-shell {
    min-height: 64px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    display: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .nav-links .nav-cta {
    margin-left: 0;
  }

  .hero,
  .split-layout,
  .guide-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-media {
    order: -1;
  }

  .feature-grid,
  .quick-index,
  .update-overview,
  .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-panel {
    position: static;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .guide-tab {
    white-space: nowrap;
    text-align: center;
  }

  .gallery-track,
  .gallery-slide img {
    min-height: 390px;
  }

  .footer-grid,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .final-cta {
    display: grid;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .nav-shell,
  .hero,
  .quick-index,
  .content-band,
  .gallery-section,
  .faq-section,
  .final-cta,
  .footer-grid {
    width: min(100% - 28px, var(--max));
  }

  .brand-text {
    max-width: 210px;
  }

  .nav-links.is-open {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 24px;
  }

  h1 {
    font-size: 30px;
    max-width: 100%;
  }

  h2 {
    font-size: 24px;
  }

  h3 {
    font-size: 18px;
  }

  .hero-lead,
  .section-heading p:last-child {
    font-size: 16px;
  }

  .hero-facts,
  .feature-grid,
  .quick-index,
  .update-overview,
  .stat-row,
  .media-row {
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .final-cta .button {
    width: 100%;
  }

  .prose {
    border-left: 0;
    border-top: 4px solid var(--gold);
    padding: 18px 0 0;
  }

  .content-band,
  .gallery-section,
  .faq-section,
  .final-cta {
    padding-top: 46px;
    padding-bottom: 46px;
  }

  .gallery-track,
  .gallery-slide img {
    min-height: 280px;
  }

  .gallery-slide figcaption {
    left: 12px;
    right: 12px;
    bottom: 12px;
    max-width: none;
    padding-right: 70px;
    font-size: 13px;
  }

  .gallery-control {
    width: 34px;
    height: 44px;
    font-size: 28px;
  }

  .gallery-control.prev {
    left: 8px;
  }

  .gallery-control.next {
    right: 8px;
  }

  .gallery-dots {
    right: 14px;
    bottom: 18px;
  }

  .partner-links {
    padding: 44px 0 48px;
  }

  .partner-inner {
    width: min(100% - 28px, var(--max));
  }

  .partner-links h2 {
    font-size: 30px;
  }

  .partner-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .partner-list a {
    justify-content: center;
  }

  .floating-detail {
    right: 14px;
    bottom: 14px;
    min-height: 48px;
    padding: 8px 14px 8px 9px;
    font-size: 14px;
  }

  .floating-detail .icon {
    --size: 32px;
  }

  .footer-grid nav {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}