:root {
  --ink: #142238;
  --navy-950: #15243a;
  --navy-900: #1b263b;
  --navy-800: #243953;
  --navy-700: #314c6c;
  --stone: #eaebec;
  --cloud: #f8f9fa;
  --gold: #d4af37;
  --gold-soft: #f0d77b;
  --rose: #c92a42;
  --peach: #ff8a9a;
  --text: #f3f4f6;
  --muted: #adb7c7;
  --line: rgba(212, 175, 55, 0.26);
  --surface: rgba(17, 28, 48, 0.82);
  --surface-light: rgba(248, 249, 250, 0.07);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --container: min(1180px, calc(100% - 40px));
  --header-height: 78px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 12%, rgba(212, 175, 55, 0.12), transparent 26rem),
    radial-gradient(circle at 88% 34%, rgba(68, 112, 158, 0.28), transparent 34rem),
    radial-gradient(circle at 28% 74%, rgba(255, 138, 154, 0.07), transparent 30rem),
    linear-gradient(145deg, #1b263b 0%, #263f5d 42%, #1d314b 72%, #17283f 100%);
  background-attachment: fixed;
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.icon {
  width: 1.05em;
  height: 1.05em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--peach);
  outline-offset: 4px;
}

::selection {
  color: var(--cloud);
  background: var(--rose);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--gold-soft);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: 3px;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--peach), var(--rose));
  box-shadow: 0 0 18px rgba(255, 138, 154, 0.55);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  border-color: rgba(212, 175, 55, 0.18);
  background: rgba(27, 38, 59, 0.9);
  box-shadow: 0 12px 45px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(1320px, calc(100% - 36px));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand img {
  width: 48px;
  height: 50px;
  object-fit: cover;
  object-position: center 20%;
  border: 1px solid rgba(212, 175, 55, 0.56);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.08);
}

.brand span {
  display: grid;
  line-height: 1.1;
}

.brand strong {
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 20px;
  letter-spacing: 0.08em;
}

.brand small {
  margin-top: 5px;
  color: var(--gold-soft);
  font-size: 10px;
  letter-spacing: 0.36em;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(14px, 1.6vw, 28px);
  font-size: 14px;
}

.primary-nav > a:not(.nav-cta) {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-block: 10px;
  color: rgba(248, 249, 250, 0.78);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.primary-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.primary-nav > a:is(:hover, .is-active) {
  color: var(--cloud);
}

.primary-nav > a:is(:hover, .is-active)::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 19px;
  color: var(--cloud);
  font-weight: 700;
  background: linear-gradient(135deg, var(--rose), #9f2035);
  border: 1px solid rgba(255, 138, 154, 0.4);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(201, 42, 66, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 35px rgba(201, 42, 66, 0.42);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--cloud);
  background: rgba(27, 38, 59, 0.72);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: max(720px, 100svh);
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  z-index: -4;
}

.hero-media img {
  object-fit: cover;
  object-position: center 38%;
  transform: scale(1.035);
  animation: heroDrift 16s ease-in-out infinite alternate;
}

.hero-overlay {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(8, 15, 27, 0.96) 0%, rgba(8, 15, 27, 0.82) 38%, rgba(8, 15, 27, 0.28) 72%, rgba(8, 15, 27, 0.58) 100%),
    linear-gradient(180deg, rgba(13, 21, 36, 0.22) 0%, rgba(13, 21, 36, 0.02) 58%, var(--navy-950) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 180px;
  background: linear-gradient(180deg, transparent, var(--navy-950));
}

.hero-orb {
  position: absolute;
  z-index: -2;
  width: 340px;
  aspect-ratio: 1;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 50%;
  opacity: 0.55;
}

.hero-orb::before,
.hero-orb::after {
  content: "";
  position: absolute;
  border: inherit;
  border-radius: inherit;
}

.hero-orb::before { inset: 12%; }
.hero-orb::after { inset: 28%; }
.hero-orb-one { top: 12%; right: -7%; }
.hero-orb-two { bottom: 3%; left: 38%; width: 210px; }

.hero-content {
  padding-top: calc(var(--header-height) + 72px);
  padding-bottom: 100px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow span {
  width: 44px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  max-width: none;
  margin: 0;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(40px, 5.4vw, 76px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.04em;
  white-space: nowrap;
  text-shadow: 0 7px 40px rgba(0, 0, 0, 0.45);
  color: transparent;
  background: linear-gradient(110deg, var(--cloud) 4%, #f3e5ad 38%, var(--gold-soft) 68%, var(--cloud) 96%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero h1 em {
  display: inline;
  margin: 0;
  color: transparent;
  font-style: normal;
  background: linear-gradient(110deg, var(--cloud) 5%, var(--gold-soft) 46%, var(--gold) 74%, var(--cloud));
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-tags {
  max-width: 860px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  position: relative;
  isolation: isolate;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 15px;
  border-radius: 999px;
  background: transparent;
  cursor: default;
  transition: transform 0.22s ease, filter 0.22s ease;
}

.hero-tags li::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  padding: 1.5px;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(110deg, var(--gold-soft), var(--peach), #62d8ff, var(--gold));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.hero-tags li span {
  color: transparent;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  background: linear-gradient(110deg, var(--gold-soft), var(--peach) 46%, #8ee9ff 78%, var(--gold-soft));
  -webkit-background-clip: text;
  background-clip: text;
}

@media (hover: hover) and (pointer: fine) {
  .hero-tags li:hover {
    transform: translateY(-2px);
    filter: brightness(1.2) drop-shadow(0 0 7px rgba(255, 138, 154, 0.26));
  }
}

.hero-subtitle {
  max-width: 660px;
  margin: 28px 0 0;
  color: rgba(248, 249, 250, 0.82);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 25px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--cloud);
  background: linear-gradient(135deg, #dd3650, var(--rose) 58%, #9c1c31);
  box-shadow: 0 14px 40px rgba(201, 42, 66, 0.32), inset 0 1px rgba(255, 255, 255, 0.16);
}

.button-primary:hover {
  box-shadow: 0 20px 48px rgba(201, 42, 66, 0.44), inset 0 1px rgba(255, 255, 255, 0.16);
}

.button-ghost {
  color: var(--cloud);
  border-color: rgba(248, 249, 250, 0.24);
  background: rgba(17, 28, 48, 0.38);
  backdrop-filter: blur(12px);
}

.button-ghost:hover {
  background: rgba(248, 249, 250, 0.1);
}

.hero-facts {
  max-width: 710px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 54px 0 0;
  padding: 18px 0;
  list-style: none;
  border-top: 1px solid rgba(248, 249, 250, 0.14);
  border-bottom: 1px solid rgba(248, 249, 250, 0.14);
}

.hero-facts li {
  display: grid;
  gap: 2px;
  padding: 0 20px;
  border-right: 1px solid rgba(248, 249, 250, 0.12);
  transition: transform 0.24s ease, background 0.24s ease;
}

.hero-facts li:first-child { padding-left: 0; }
.hero-facts li:last-child { border: 0; }
.hero-facts strong { color: var(--gold-soft); font-family: Georgia, serif; font-size: 25px; }
.hero-facts span { color: var(--muted); font-size: 12px; letter-spacing: 0.08em; }

.scroll-cue {
  position: absolute;
  right: 34px;
  bottom: 54px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(248, 249, 250, 0.5);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.scroll-cue span {
  width: 1px;
  height: 42px;
  background: linear-gradient(var(--gold), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}

.section {
  position: relative;
  padding: clamp(88px, 9vw, 142px) 0;
}

.intro-section {
  background:
    radial-gradient(circle at 84% 38%, rgba(212, 175, 55, 0.12), transparent 26rem),
    radial-gradient(circle at 12% 92%, rgba(82, 129, 174, 0.16), transparent 30rem),
    linear-gradient(145deg, #1b263b, #263f5d 56%, #203550);
}

.intro-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 0 58%, rgba(248, 249, 250, 0.03) 58% 59%, transparent 59%);
}

.intro-section .container {
  position: relative;
}

.section-heading {
  max-width: 770px;
  margin-bottom: 48px;
}

.section-heading h2,
.section-copy h2,
.faq-heading h2 {
  margin: 0;
  width: fit-content;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(27px, 3.2vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.025em;
  text-wrap: balance;
  color: transparent;
  background: linear-gradient(110deg, var(--cloud) 4%, #f2e4ac 48%, var(--gold-soft) 76%, var(--cloud));
  -webkit-background-clip: text;
  background-clip: text;
}

.section-heading > p:last-child,
.faq-heading > p:not(.section-kicker) {
  margin-top: 20px;
  color: var(--muted);
  font-size: 17px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
}

.split-reverse {
  grid-template-columns: minmax(420px, 1.08fr) minmax(0, 0.92fr);
}

.section-copy .lead {
  margin: 26px 0 0;
  color: var(--cloud);
  font-size: 18px;
  line-height: 1.95;
}

.section-copy > p:not(.section-kicker, .lead) {
  color: var(--muted);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--line);
}

.meta-grid div {
  padding: 17px 18px;
  background: var(--navy-900);
  transition: background 0.24s ease, box-shadow 0.24s ease;
}

.meta-grid dt {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.meta-grid dd {
  margin: 4px 0 0;
  color: var(--gold-soft);
  font-weight: 700;
}

.framed-media {
  position: relative;
  margin: 0;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(248, 249, 250, 0.1), rgba(248, 249, 250, 0.025));
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.framed-media::before,
.framed-media::after {
  content: "";
  position: absolute;
  width: 54px;
  height: 54px;
  pointer-events: none;
}

.framed-media::before {
  top: -8px;
  left: -8px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  border-radius: 18px 0 0;
}

.framed-media::after {
  right: -8px;
  bottom: -8px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  border-radius: 0 0 18px;
}

.framed-media picture,
.framed-media picture img {
  width: 100%;
}

.framed-media img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 10px);
}

.framed-media figcaption {
  position: absolute;
  right: 28px;
  bottom: 27px;
  left: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  color: var(--cloud);
  font-size: 12px;
  letter-spacing: 0.08em;
  background: rgba(9, 17, 29, 0.78);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 999px;
  backdrop-filter: blur(10px);
}

.framed-media figcaption span {
  color: var(--gold-soft);
  font-family: Georgia, serif;
}

.content-section {
  background:
    linear-gradient(rgba(248, 249, 250, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 88% 20%, rgba(212, 175, 55, 0.08), transparent 22rem),
    linear-gradient(145deg, #1d304a, #263e5b 55%, #1c314b);
  background-size: 60px 60px, 60px 60px, auto, auto;
  background-repeat: repeat, repeat, no-repeat, no-repeat;
  border-top: 1px solid rgba(248, 249, 250, 0.04);
  border-bottom: 1px solid rgba(248, 249, 250, 0.04);
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.system-card {
  position: relative;
  min-height: 290px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid rgba(248, 249, 250, 0.08);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(42, 61, 88, 0.96), rgba(29, 48, 74, 0.9));
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.system-card::after {
  content: "";
  position: absolute;
  right: -45px;
  bottom: -55px;
  width: 150px;
  aspect-ratio: 1;
  border: 1px solid rgba(212, 175, 55, 0.13);
  border-radius: 50%;
  box-shadow: inset 0 0 0 22px rgba(212, 175, 55, 0.025), inset 0 0 0 44px rgba(212, 175, 55, 0.025);
}

.system-card:hover {
  transform: translateY(-7px);
  border-color: rgba(212, 175, 55, 0.38);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.22);
}

.card-number {
  position: absolute;
  top: 22px;
  right: 24px;
  color: rgba(248, 249, 250, 0.13);
  font-family: Georgia, serif;
  font-size: 38px;
}

.line-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--gold-soft);
  font-size: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.06);
}

.system-card h3 {
  margin: 30px 0 10px;
  font-size: 20px;
}

.system-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.route-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 28%, rgba(212, 175, 55, 0.09), transparent 24rem),
    radial-gradient(circle at 92% 74%, rgba(93, 143, 188, 0.14), transparent 28rem),
    linear-gradient(130deg, #263b57, #1e304a 52%, #28425f);
}

.route-section::before {
  content: "AURA";
  position: absolute;
  top: 2%;
  right: -2%;
  color: rgba(248, 249, 250, 0.025);
  font-family: Georgia, serif;
  font-size: min(26vw, 360px);
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.route-steps {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.route-steps li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 19px 0;
  border-bottom: 1px solid rgba(248, 249, 250, 0.08);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.route-steps li > span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--gold-soft);
  font-family: Georgia, serif;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: color 0.24s ease, border-color 0.24s ease, background 0.24s ease, transform 0.24s ease;
}

.route-steps h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.route-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.feature-section {
  min-height: 800px;
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(135deg, #1d314b, #26415f 54%, #172a43);
}

.feature-background {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.52;
  background:
    radial-gradient(circle at 76% 52%, rgba(201, 42, 66, 0.3), transparent 31%),
    radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.22), transparent 29%),
    linear-gradient(150deg, rgba(73, 116, 158, 0.24), transparent 55%);
}

.feature-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(21, 36, 58, 0.9) 0%, rgba(28, 48, 74, 0.7) 52%, rgba(28, 48, 74, 0.3));
}

.feature-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: clamp(48px, 7vw, 100px);
}

.feature-list {
  display: grid;
  gap: 0;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 17px 0 17px 21px;
  border-bottom: 1px solid rgba(248, 249, 250, 0.09);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 0;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.feature-list strong {
  color: var(--gold-soft);
}

.feature-list span {
  color: var(--muted);
  font-size: 14px;
}

.battle-frame {
  position: relative;
  margin: 0;
  transform: perspective(1200px) rotateY(-4deg) rotateX(1deg);
  filter: drop-shadow(0 35px 55px rgba(0, 0, 0, 0.45));
  transition: transform 0.32s ease, filter 0.32s ease;
}

.battle-frame::before {
  content: "";
  position: absolute;
  inset: -10px;
  z-index: -1;
  border: 1px solid rgba(212, 175, 55, 0.36);
  clip-path: polygon(0 0, 90% 0, 100% 14%, 100% 100%, 10% 100%, 0 86%);
  transition: border-color 0.3s ease, filter 0.3s ease;
}

.battle-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 0, 90% 0, 100% 14%, 100% 100%, 10% 100%, 0 86%);
}

.battle-label {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 8px 12px;
  color: var(--gold-soft);
  font-size: 10px;
  letter-spacing: 0.2em;
  background: rgba(9, 17, 29, 0.82);
  border: 1px solid var(--line);
}

.guide-section {
  background: linear-gradient(180deg, rgba(234, 235, 236, 0.98), #f8f9fa);
  color: var(--navy-900);
}

.guide-section .section-kicker {
  color: #9c7620;
}

.guide-section .section-heading h2 {
  background: linear-gradient(110deg, #17283f 3%, #314c6c 58%, #a3263b 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.guide-section .section-heading > p:last-child {
  color: #566175;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.guide-card {
  position: relative;
  min-height: 248px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid rgba(27, 38, 59, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 18px 45px rgba(27, 38, 59, 0.08);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.guide-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 42, 66, 0.35);
}

.guide-card > span {
  color: var(--rose);
  font-family: Georgia, serif;
  font-size: 14px;
  font-weight: 800;
}

.guide-card h3 {
  margin: 38px 0 12px;
  font-size: 21px;
}

.guide-card p {
  margin: 0;
  color: #5d6778;
  font-size: 14px;
}

.guide-card::after {
  content: "";
  position: absolute;
  top: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-top: 1px solid rgba(212, 175, 55, 0.5);
  border-right: 1px solid rgba(212, 175, 55, 0.5);
}

.gallery-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 18%, rgba(212, 175, 55, 0.11), transparent 24rem),
    radial-gradient(circle at 82% 72%, rgba(255, 138, 154, 0.07), transparent 28rem),
    linear-gradient(145deg, #243b58, #1a2d47 68%, #29425e);
}

.back-to-top {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--cloud);
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(27, 38, 59, 0.9);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.back-to-top:hover {
  transform: translateY(-3px);
  background: var(--rose);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.gallery-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(248, 249, 250, 0.1);
  border-radius: 12px;
  background: var(--navy-900);
  box-shadow: 0 18px 42px rgba(7, 15, 27, 0.3);
}

.gallery-open {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  color: var(--cloud);
  border: 0;
  background: transparent;
  cursor: zoom-in;
  aspect-ratio: 16 / 9;
}

.gallery-open picture {
  display: block;
  width: 100%;
  height: 100%;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.gallery-item:is(:hover, :focus-within) img {
  transform: scale(1.05);
}

.gallery-zoom {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--cloud);
  border: 1px solid rgba(248, 249, 250, 0.3);
  border-radius: 50%;
  background: rgba(10, 19, 32, 0.74);
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.25s ease;
  backdrop-filter: blur(8px);
}

.gallery-item:is(:hover, :focus-within) .gallery-zoom {
  opacity: 1;
  transform: none;
}

.gallery-open:focus-visible {
  outline-offset: -4px;
}

.gallery-item figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 8px 13px;
  color: var(--cloud);
  font-size: 12px;
  background: rgba(9, 17, 29, 0.74);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  pointer-events: none;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox[hidden] {
  display: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(5, 11, 20, 0.94);
  backdrop-filter: blur(14px);
}

.lightbox-panel {
  position: relative;
  width: min(1180px, 100%);
  max-height: calc(100vh - 56px);
}

.lightbox-figure {
  margin: 0;
  display: grid;
  justify-items: center;
  gap: 14px;
}

.lightbox-image {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: calc(100vh - 138px);
  object-fit: contain;
  border: 1px solid rgba(248, 249, 250, 0.18);
  border-radius: 12px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
}

.lightbox-figure figcaption {
  width: min(760px, 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--cloud);
  font-size: 14px;
}

.lightbox-count {
  color: var(--gold-soft);
  white-space: nowrap;
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  z-index: 2;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  color: var(--cloud);
  border: 1px solid rgba(248, 249, 250, 0.26);
  border-radius: 50%;
  background: rgba(20, 34, 56, 0.88);
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.lightbox-close:hover,
.lightbox-nav:hover {
  color: var(--ink);
  background: var(--gold-soft);
}

.lightbox-close {
  top: -12px;
  right: -12px;
}

.lightbox-close:hover {
  transform: rotate(7deg) scale(1.04);
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-nav:hover {
  transform: translateY(-50%) scale(1.06);
}

.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }

@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.updates-section {
  background:
    radial-gradient(circle at 86% 12%, rgba(212, 175, 55, 0.12), transparent 26rem),
    linear-gradient(150deg, #203754, #172b45 50%, #29445f);
  border-top: 1px solid rgba(248, 249, 250, 0.05);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.timeline::before {
  display: none;
}

.update-card {
  position: relative;
  width: 100%;
  padding: 0;
  border: 1px solid rgba(248, 249, 250, 0.08);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(46, 67, 94, 0.94), rgba(25, 43, 68, 0.92));
  box-shadow: 0 18px 52px rgba(10, 18, 31, 0.16);
  overflow: hidden;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.update-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--gold-soft), var(--gold), rgba(212, 175, 55, 0.08));
}

.update-card.featured {
  border-color: rgba(212, 175, 55, 0.35);
  background: linear-gradient(145deg, rgba(69, 75, 88, 0.94), rgba(35, 53, 78, 0.96));
}

.update-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: var(--muted);
  font-size: 12px;
}

.update-meta span {
  padding: 4px 9px;
  color: var(--gold-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.update-card-header {
  padding: 30px 36px 25px 40px;
  border-bottom: 1px solid rgba(248, 249, 250, 0.09);
  background: linear-gradient(100deg, rgba(248, 249, 250, 0.045), transparent 68%);
}

.update-card h3 {
  margin: 22px 0 10px;
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.25;
}

.update-card-header > p {
  max-width: 920px;
  margin: 0;
  color: #c1cad6;
  font-size: 15px;
  line-height: 1.85;
}

.update-card-content {
  padding: 28px 36px 32px 40px;
}

.update-card ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.update-card li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.update-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rose);
}

.faq-section {
  background:
    radial-gradient(circle at 14% 42%, rgba(212, 175, 55, 0.1), transparent 25rem),
    linear-gradient(155deg, #29435f, #1e344f 48%, #263b57);
}

.faq-heading {
  max-width: 840px;
  margin-bottom: 38px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(248, 249, 250, 0.09);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(57, 82, 112, 0.62), rgba(29, 51, 78, 0.82));
  box-shadow: 0 14px 38px rgba(10, 18, 31, 0.12);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease, box-shadow 0.24s ease;
}

.faq-list details[open] {
  border-color: rgba(212, 175, 55, 0.34);
  background: linear-gradient(145deg, rgba(65, 88, 117, 0.78), rgba(32, 54, 81, 0.92));
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 25px;
  color: var(--cloud);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary span {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--gold-soft);
  font-size: 20px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  margin: 0;
  padding: 0 72px 24px 25px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

@media (hover: hover) and (pointer: fine) {
  .hero-facts li:hover {
    transform: translateY(-4px);
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.08), transparent);
  }

  .meta-grid div:hover {
    background: #243953;
    box-shadow: inset 0 0 0 1px rgba(212, 175, 55, 0.24);
  }

  .framed-media:hover {
    transform: translateY(-6px);
    border-color: rgba(212, 175, 55, 0.46);
    box-shadow: 0 30px 84px rgba(4, 11, 21, 0.42);
  }

  .route-steps li:hover,
  .feature-list li:hover {
    transform: translateX(6px);
    border-color: rgba(212, 175, 55, 0.34);
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.08), transparent 72%);
  }

  .route-steps li:hover > span {
    color: var(--cloud);
    border-color: rgba(212, 175, 55, 0.62);
    background: rgba(212, 175, 55, 0.14);
    transform: rotate(-6deg) scale(1.05);
  }

  .battle-frame:hover {
    transform: perspective(1200px) rotateY(0) rotateX(0) translateY(-7px) scale(1.015);
    filter: drop-shadow(0 42px 64px rgba(0, 0, 0, 0.52));
  }

  .battle-frame:hover::before {
    border-color: rgba(240, 215, 123, 0.78);
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.28));
  }

  .update-card:hover {
    transform: translateY(-6px);
    border-color: rgba(212, 175, 55, 0.42);
    box-shadow: 0 26px 64px rgba(7, 15, 27, 0.3);
  }

  .faq-list details:hover {
    transform: translateY(-3px);
    border-color: rgba(212, 175, 55, 0.36);
    box-shadow: 0 20px 46px rgba(7, 15, 27, 0.22);
  }
}

.friend-links-section {
  padding: 56px 0 58px;
  background:
    radial-gradient(circle at 18% 20%, rgba(212, 175, 55, 0.12), transparent 22rem),
    radial-gradient(circle at 84% 72%, rgba(255, 138, 154, 0.1), transparent 24rem),
    linear-gradient(145deg, #29445f, #1b2f49 54%, #172940);
  border-top: 1px solid rgba(212, 175, 55, 0.18);
}

.friend-links-inner {
  display: grid;
  justify-items: center;
  gap: 26px;
}

.friend-links-inner h2 {
  margin: 0;
  color: transparent;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(26px, 2.8vw, 36px);
  line-height: 1.2;
  background: linear-gradient(110deg, var(--cloud), var(--gold-soft) 58%, var(--cloud));
  -webkit-background-clip: text;
  background-clip: text;
}

.friend-links-list {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.friend-links-list a {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  color: var(--cloud);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
  border: 1px solid rgba(212, 175, 55, 0.26);
  border-radius: 999px;
  background: rgba(248, 249, 250, 0.08);
  box-shadow: 0 12px 30px rgba(7, 15, 27, 0.18);
  backdrop-filter: blur(10px);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.friend-links-list a:hover {
  color: #fff;
  border-color: rgba(255, 138, 154, 0.68);
  background: linear-gradient(135deg, rgba(201, 42, 66, 0.88), rgba(163, 32, 62, 0.92));
  box-shadow: 0 15px 34px rgba(109, 13, 40, 0.32);
  transform: translateY(-3px);
}

.site-footer {
  padding: 44px 0;
  color: var(--muted);
  background: linear-gradient(135deg, #1b2f49, #13253d);
  border-top: 1px solid rgba(248, 249, 250, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 26px;
}

.footer-brand strong {
  color: var(--cloud);
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 19px;
}

.footer-brand p {
  margin: 5px 0 0;
  font-size: 12px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
  font-size: 13px;
}

.site-footer nav a:hover {
  color: var(--gold-soft);
}

.copyright {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  padding-top: 22px;
  font-size: 11px;
  border-top: 1px solid rgba(248, 249, 250, 0.06);
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 86px;
  z-index: 700;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.26);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.floating-detail {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 760;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  color: var(--cloud);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 138, 154, 0.42);
  border-radius: 999px;
  background: linear-gradient(135deg, #dd3650, var(--rose) 58%, #9c1c31);
  box-shadow: 0 16px 44px rgba(201, 42, 66, 0.38);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-detail:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 52px rgba(201, 42, 66, 0.5);
}

.detail-cta {
  position: relative;
  isolation: isolate;
  min-height: 58px;
  gap: 11px;
  padding: 15px 30px;
  overflow: hidden;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 236, 193, 0.62);
  border-radius: 999px;
  background: linear-gradient(120deg, #ff3d63 0%, #d7284b 42%, #c92a42 64%, #e2b93f 100%);
  background-size: 170% 100%;
  box-shadow:
    0 0 22px rgba(255, 61, 99, 0.28),
    0 16px 36px rgba(116, 15, 43, 0.38),
    inset 0 1px rgba(255, 255, 255, 0.32);
  transition:
    transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.2s ease,
    background-position 0.35s ease;
}

.detail-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, transparent 18%, rgba(255, 255, 255, 0.3) 43%, transparent 66%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}

.detail-cta::after {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: 1;
  padding: 3px;
  pointer-events: none;
  border-radius: inherit;
  background: conic-gradient(
    from 0deg,
    #ff3b5c,
    #ff8a3d,
    #ffe45c,
    #63f37d,
    #42e8e0,
    #4d8dff,
    #9565ff,
    #ff55d6,
    #ff3b5c
  );
  opacity: 0;
  transform: rotate(0deg);
  filter: brightness(1.25) drop-shadow(0 0 5px rgba(112, 224, 255, 0.5));
  transition: opacity 0.28s ease;
  animation: detailBorderFlow 1.35s linear infinite;
  animation-play-state: paused;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.detail-cta > span,
.detail-cta > .icon {
  position: relative;
  z-index: 2;
}

.detail-cta .icon {
  width: 1.15em;
  height: 1.15em;
  filter: drop-shadow(0 2px 4px rgba(75, 9, 28, 0.38));
}

.detail-cta:hover {
  color: #fff;
  background-position: 100% 0;
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 0 30px rgba(255, 76, 111, 0.42),
    0 20px 46px rgba(116, 15, 43, 0.46),
    inset 0 1px rgba(255, 255, 255, 0.38);
}

.detail-cta:hover::before {
  transform: translateX(120%);
}

.detail-cta:hover::after {
  opacity: 1;
  animation-play-state: running;
}

.detail-cta:active {
  transform: translateY(0) scale(0.97);
  box-shadow:
    0 0 18px rgba(255, 76, 111, 0.3),
    0 8px 20px rgba(116, 15, 43, 0.34),
    inset 0 2px 5px rgba(77, 8, 28, 0.26);
  transition-duration: 0.08s;
}

.nav-cta.detail-cta {
  min-height: 48px;
  padding: 12px 23px;
  font-size: 14px;
}

.button-primary.detail-cta {
  min-height: 62px;
  padding: 17px 34px;
  font-size: 16px;
}

.floating-detail.detail-cta {
  position: fixed;
  min-height: 60px;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.noscript {
  margin: 0;
  padding: 12px 20px;
  color: var(--navy-900);
  text-align: center;
  background: var(--gold-soft);
}

.reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  animation: revealRise 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes heroDrift {
  from { transform: scale(1.035) translate3d(0, 0, 0); }
  to { transform: scale(1.075) translate3d(-0.6%, -0.5%, 0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; transform: scaleY(0.65); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes revealRise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

@keyframes detailBorderFlow {
  to { transform: rotate(1turn); }
}

@media (max-width: 1080px) {
  :root { --header-height: 70px; }

  .menu-toggle { display: block; }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: auto;
    left: 0;
    z-index: 910;
    width: 100%;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 30px 24px 80px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background:
      radial-gradient(circle at 84% 8%, rgba(212, 175, 55, 0.12), transparent 18rem),
      linear-gradient(145deg, rgba(27, 38, 59, 0.99), rgba(36, 57, 83, 0.99));
    clip-path: inset(0 0 0 100%);
    visibility: hidden;
    pointer-events: none;
    transition: clip-path 0.32s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.32s;
  }

  .primary-nav.is-open {
    clip-path: inset(0);
    visibility: visible;
    pointer-events: auto;
  }

  .primary-nav > a:not(.nav-cta) {
    padding: 17px 8px;
    font-size: 18px;
    border-bottom: 1px solid rgba(248, 249, 250, 0.08);
  }

  .primary-nav > a:not(.nav-cta)::after { display: none; }
  .nav-cta { margin-top: 24px; text-align: center; }

  .split-layout,
  .split-reverse,
  .feature-layout { grid-template-columns: 1fr; }
  .split-reverse .framed-media { order: 2; }
  .system-grid,
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .battle-frame { transform: none; }
}

@media (max-width: 720px) {
  :root {
    --container: min(100% - 28px, 1180px);
    --radius-lg: 20px;
    --radius-md: 15px;
  }

  body { font-size: 15px; background-attachment: scroll; }
  .nav-shell { width: calc(100% - 24px); }
  .brand strong { font-size: 17px; }
  .brand small { font-size: 9px; }
  .brand img { width: 42px; height: 44px; }

  .hero { min-height: 760px; align-items: end; }
  .hero-media img { object-position: 60% center; }
  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(8, 15, 27, 0.2) 0%, rgba(8, 15, 27, 0.78) 43%, rgba(8, 15, 27, 0.98) 86%),
      linear-gradient(90deg, rgba(8, 15, 27, 0.56), transparent);
  }
  .hero-content { padding-top: 150px; padding-bottom: 54px; }
  .hero h1 { font-size: clamp(28px, 7.5vw, 36px); }
  .hero-tags { gap: 8px; margin-top: 18px; }
  .hero-tags li { min-height: 32px; padding: 7px 11px; }
  .hero-tags li span { font-size: 11px; }
  .hero-subtitle { font-size: 16px; line-height: 1.75; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .button { min-height: 49px; padding-inline: 16px; font-size: 14px; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); row-gap: 18px; margin-top: 35px; }
  .hero-facts li { padding: 0 14px 15px 0; }
  .hero-facts li:nth-child(2) { border: 0; }
  .hero-facts li:nth-child(3), .hero-facts li:nth-child(4) { padding-bottom: 0; }
  .hero-facts li:nth-child(3) { padding-left: 0; }
  .scroll-cue, .hero-orb { display: none; }

  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2,
  .section-copy h2,
  .faq-heading h2 { font-size: clamp(25px, 7.5vw, 34px); }
  .section-copy .lead { font-size: 16px; }
  .meta-grid { grid-template-columns: 1fr; }
  .system-grid,
  .guide-grid { grid-template-columns: 1fr; }
  .system-card { min-height: auto; }
  .feature-list li { grid-template-columns: 1fr; gap: 4px; }

  .gallery-grid { grid-template-columns: 1fr; gap: 16px; }
  .gallery-zoom { opacity: 1; transform: none; }
  .lightbox { padding: 16px; }
  .lightbox-panel { max-height: calc(100vh - 32px); }
  .lightbox-image { max-height: calc(100vh - 112px); }
  .lightbox-close { top: -8px; right: -8px; width: 44px; height: 44px; }
  .lightbox-nav { width: 44px; height: 44px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .lightbox-figure figcaption { padding-inline: 2px; }
  .update-card-header { padding: 24px 22px 21px 26px; }
  .update-card-content { padding: 22px 22px 25px 26px; }
  .update-card ul { grid-template-columns: 1fr; }
  .faq-list summary { font-size: 15px; }
  .faq-list details p { padding-right: 24px; }
  .friend-links-section { padding: 46px 0 48px; }
  .friend-links-list { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .friend-links-list a { width: 100%; min-height: 52px; padding-inline: 18px; }
  .floating-detail.detail-cta {
    position: fixed;
    right: 14px;
    bottom: max(14px, env(safe-area-inset-bottom));
    left: 14px;
    width: auto;
    min-height: 58px;
    padding: 15px 24px;
    font-size: 16px;
    box-shadow:
      0 0 26px rgba(255, 61, 99, 0.38),
      0 18px 44px rgba(74, 9, 28, 0.48),
      inset 0 1px rgba(255, 255, 255, 0.34);
  }
  .back-to-top { right: 14px; bottom: 76px; }
  .footer-grid { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
}

@media (max-width: 420px) {
  .hero-actions { grid-template-columns: 1fr; }
  .hero-facts strong { font-size: 22px; }
  .route-steps { margin-top: 24px; }
  .route-steps li { grid-template-columns: 45px 1fr; gap: 12px; }
  .route-steps li > span { width: 38px; height: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header,
  .reading-progress,
  .scroll-cue,
  .lightbox,
  .back-to-top,
  .floating-detail,
  .hero-actions { display: none !important; }
  body { color: #111; background: #fff; }
  .section { padding: 30px 0; break-inside: avoid; }
  .reveal { opacity: 1; transform: none; }
}