:root {
  --bg: #fff5f7;
  --surface: #ffffff;
  --surface-soft: #fffafb;
  --line: #d8a4b8;
  --line-soft: rgba(216, 164, 184, 0.45);
  --accent: #e25885;
  --accent-dark: #b93463;
  --plum: #6e4057;
  --ink: #2c2730;
  --muted: #735f69;
  --teal: #5f9f95;
  --shadow: 0 18px 48px rgba(110, 64, 87, 0.16);
  --shadow-strong: 0 22px 58px rgba(110, 64, 87, 0.22);
  --glow: 0 0 0 4px rgba(226, 88, 133, 0.12);
  --header-h: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

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

svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  padding: 8px 12px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
}

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

.section-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  background: rgba(255, 245, 247, 0.94);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(1220px, calc(100% - 32px));
  min-height: var(--header-h);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--plum);
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  box-shadow: 0 8px 20px rgba(226, 88, 133, 0.16);
  overflow: hidden;
  flex: 0 0 auto;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text {
  font-size: 18px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--plum);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.site-nav a svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.site-nav a:not(.nav-cta):hover,
.site-nav a:not(.nav-cta):focus-visible {
  color: var(--accent);
  border-color: rgba(226, 88, 133, 0.72);
  background: rgba(226, 88, 133, 0.04);
  box-shadow: 0 0 0 3px rgba(226, 88, 133, 0.08);
  outline: none;
}

.site-nav .nav-cta {
  margin-left: 4px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(226, 88, 133, 0.28);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--plum);
}

.nav-toggle span {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: 20px;
  height: 2px;
  margin: 0;
  background: currentColor;
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span:nth-child(1) {
  transform: translate(-50%, calc(-50% - 7px));
}

.nav-toggle span:nth-child(3) {
  transform: translate(-50%, calc(-50% + 7px));
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(82vh - var(--header-h));
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: 96px 0 54px;
  background: #3d2d35;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(44, 39, 48, 0.78) 0%, rgba(44, 39, 48, 0.55) 42%, rgba(44, 39, 48, 0.18) 100%),
    linear-gradient(0deg, rgba(44, 39, 48, 0.62) 0%, rgba(44, 39, 48, 0) 45%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  color: #fff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.hero .eyebrow {
  color: #ffdce8;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.3);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: 64px;
  line-height: 1.08;
  letter-spacing: 0;
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
}

h2 {
  margin: 0 0 18px;
  color: var(--plum);
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  color: var(--plum);
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: 18px;
  line-height: 1.8;
  color: #fff6f8;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
  line-height: 1;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 30px rgba(226, 88, 133, 0.32);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(185, 52, 99, 0.34);
  outline: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.92);
  color: var(--plum);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: #fff;
  border-color: rgba(226, 88, 133, 0.3);
  color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(110, 64, 87, 0.14);
  outline: none;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  width: min(720px, 100%);
  margin: 34px 0 0;
}

.hero-facts div {
  min-height: 86px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(12px);
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease, box-shadow 0.22s ease;
}

.hero-facts dt {
  color: #ffe6ee;
  font-size: 13px;
  font-weight: 700;
}

.hero-facts dd {
  margin: 6px 0 0;
  color: #fff;
  font-size: 18px;
  font-weight: 900;
}

section {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.intro-section,
.content-section,
.character-section,
.guide-section,
.features-section,
.gallery-section,
.updates-section,
.faq-section,
.final-cta {
  padding: 84px 0;
}

.intro-section,
.character-section,
.features-section,
.faq-section {
  background: var(--bg);
}

.content-section,
.guide-section,
.gallery-section,
.updates-section {
  background: var(--surface-soft);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 48px;
  align-items: center;
}

.split-reverse {
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
}

.copy-block p,
.section-heading p,
.feature-points p,
.route-step p,
.content-card p,
.faq-list p,
.final-inner p {
  color: var(--muted);
}

.copy-block p {
  margin: 0 0 16px;
}

.section-heading {
  max-width: 820px;
  margin: 0 0 34px;
}

.section-heading h2::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
}

.section-heading p {
  margin: 0;
}

.compact-heading {
  max-width: 760px;
}

.feature-figure,
.portrait-panel,
.wide-image,
.gallery-main {
  margin: 0;
}

.feature-figure,
.portrait-panel {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.feature-figure img,
.wide-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.5s ease;
}

.portrait-panel img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  background: #fff;
  transition: transform 0.5s ease, filter 0.5s ease;
}

figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.content-card,
.route-step,
.faq-list details {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(110, 64, 87, 0.08);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease, background-color 0.24s ease;
}

.content-card::before,
.route-step::before,
.update-card::before,
.faq-list details::before,
.feature-points div::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(226, 88, 133, 0.12), rgba(95, 159, 149, 0.08) 38%, transparent 62%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
}

.content-card {
  min-height: 248px;
  padding: 22px;
  overflow: hidden;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: rgba(226, 88, 133, 0.1);
  color: var(--accent);
  transition: transform 0.24s ease, background-color 0.24s ease, color 0.24s ease;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: 36px;
  align-items: start;
}

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

.route-step {
  position: relative;
  min-height: 154px;
  padding: 22px 22px 22px 78px;
  overflow: hidden;
}

.route-step span {
  position: absolute;
  left: 22px;
  top: 24px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(226, 88, 133, 0.2);
  transition: transform 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease;
}

.route-step p,
.content-card p {
  margin: 0;
}

.clean-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 34px;
  align-items: center;
}

.wide-image {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.feature-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-points div {
  position: relative;
  min-height: 164px;
  padding: 20px;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(110, 64, 87, 0.06);
  transition: transform 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.feature-points p {
  margin: 0;
}

.gallery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.85fr);
  gap: 18px;
  align-items: stretch;
}

.gallery-main {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.gallery-main img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #fff;
  transition: transform 0.5s ease, filter 0.5s ease;
}

.gallery-main figcaption {
  min-height: 68px;
  display: flex;
  align-items: center;
  border-top: 1px solid var(--line-soft);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.thumb-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 0;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--surface);
  color: var(--plum);
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(110, 64, 87, 0.08);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease, color 0.22s ease;
}

.thumb-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #fff;
  transition: transform 0.45s ease, filter 0.45s ease;
}

.thumb-card span {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.35;
}

.thumb-card span svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  color: var(--accent);
}

.thumb-card:hover,
.thumb-card:focus-visible,
.thumb-card.is-active {
  border-color: var(--accent);
  box-shadow: 0 14px 32px rgba(226, 88, 133, 0.18);
  outline: none;
}

.thumb-card.is-active {
  box-shadow: 0 12px 28px rgba(226, 88, 133, 0.18);
}

.update-list {
  display: grid;
  gap: 12px;
  padding-left: 24px;
  margin: 20px 0 0;
  color: var(--muted);
}

.update-list li::marker {
  color: var(--accent);
  font-weight: 900;
}

.update-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.update-card {
  position: relative;
  min-height: 168px;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(110, 64, 87, 0.08);
  overflow: hidden;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease, background-color 0.24s ease;
}

.update-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.update-index {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: rgba(226, 88, 133, 0.12);
  color: var(--accent);
  font-weight: 900;
  letter-spacing: 0;
  transition: transform 0.24s ease, background-color 0.24s ease, color 0.24s ease, box-shadow 0.24s ease;
}

.update-head h3 {
  margin: 0;
  padding-top: 2px;
}

.update-card p {
  margin: 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-list details {
  padding: 0;
  overflow: hidden;
}

.faq-list summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  color: var(--plum);
  font-weight: 900;
  cursor: pointer;
  transition: color 0.22s ease, background-color 0.22s ease;
}

.faq-list summary::marker {
  color: var(--accent);
}

.faq-list p {
  margin: 0;
  padding: 0 20px 20px 38px;
}

.faq-list details[open] summary {
  color: var(--accent-dark);
  background: rgba(226, 88, 133, 0.06);
}

.final-cta {
  background: var(--plum);
  color: #fff;
  text-align: center;
}

.final-inner {
  max-width: 820px;
}

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

.final-inner p {
  margin: 0 auto 24px;
  color: #ffe8ef;
}

.final-cta .section-kicker {
  color: #ffd7e4;
}

.friend-links {
  padding: 42px 0 36px;
  background: var(--accent);
  color: var(--ink);
  text-align: center;
}

.friend-links-inner {
  display: grid;
  gap: 24px;
  justify-items: center;
}

.friend-links h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  font-weight: 900;
}

.friend-link-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
}

.friend-link-list a {
  min-width: 156px;
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 238, 244, 0.94);
  color: var(--ink);
  text-decoration: none;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.25;
  box-shadow: 0 14px 34px rgba(185, 52, 99, 0.18);
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.friend-link-list a:hover,
.friend-link-list a:focus-visible {
  transform: translateY(-2px);
  border-color: #fff;
  background: #fff;
  color: var(--accent-dark);
  box-shadow: 0 18px 40px rgba(120, 32, 72, 0.22);
  outline: none;
}

.site-footer {
  padding: 24px 0;
  background: #2c2730;
  color: #f8e6ed;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  transition: color 0.2s ease;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: #ffd7e4;
  outline: none;
}

@keyframes heroDrift {
  from {
    transform: scale(1.02) translate3d(0, 0, 0);
  }

  to {
    transform: scale(1.07) translate3d(-1.2%, -0.8%, 0);
  }
}

@media (hover: hover) and (pointer: fine) {
  .brand-icon {
    transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
  }

  .brand:hover .brand-icon,
  .brand:focus-visible .brand-icon {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 14px 32px rgba(226, 88, 133, 0.22);
  }

  .hero-facts div:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.58);
    background: rgba(255, 255, 255, 0.18);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
  }

  .content-card:hover,
  .route-step:hover,
  .update-card:hover,
  .faq-list details:hover,
  .feature-points div:hover {
    transform: translateY(-5px);
    border-color: rgba(226, 88, 133, 0.52);
    box-shadow: var(--shadow-strong);
  }

  .content-card:hover::before,
  .route-step:hover::before,
  .update-card:hover::before,
  .faq-list details:hover::before,
  .feature-points div:hover::before {
    opacity: 1;
  }

  .content-card:hover .card-icon {
    transform: translateY(-2px) rotate(-2deg);
    background: var(--accent);
    color: #fff;
  }

  .route-step:hover span,
  .update-card:hover .update-index {
    transform: scale(1.06);
    background: var(--accent-dark);
    color: #fff;
    box-shadow: 0 12px 26px rgba(185, 52, 99, 0.24);
  }

  .feature-figure:hover,
  .portrait-panel:hover,
  .wide-image:hover,
  .gallery-main:hover {
    transform: translateY(-4px);
    border-color: rgba(226, 88, 133, 0.46);
    box-shadow: var(--shadow-strong);
  }

  .feature-figure:hover img,
  .portrait-panel:hover img,
  .wide-image:hover img,
  .gallery-main:hover img {
    transform: scale(1.035);
    filter: saturate(1.06) contrast(1.03);
  }

  .thumb-card:hover,
  .thumb-card:focus-visible {
    transform: translateY(-4px);
    color: var(--accent-dark);
    box-shadow: 0 18px 38px rgba(185, 52, 99, 0.22);
  }

  .thumb-card:hover img,
  .thumb-card:focus-visible img {
    transform: scale(1.045);
    filter: saturate(1.08);
  }

  .faq-list details:hover summary,
  .faq-list details[open] summary {
    color: var(--accent-dark);
    background: rgba(226, 88, 133, 0.06);
  }
}

@media (max-width: 980px) {
  :root {
    --header-h: 66px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(var(--header-h) - 2px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--line-soft);
    border-radius: 8px;
    background: rgba(255, 250, 251, 0.98);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    justify-content: flex-start;
    min-height: 44px;
  }

  .site-nav .nav-cta {
    justify-content: center;
    margin-left: 0;
  }

  .hero {
    min-height: calc(78vh - var(--header-h));
    padding: 84px 0 42px;
  }

  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .split-layout,
  .split-reverse,
  .guide-layout,
  .feature-band,
  .gallery-layout {
    grid-template-columns: 1fr;
  }

  .content-grid,
  .feature-points,
  .faq-list {
    grid-template-columns: 1fr;
  }

  .update-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .section-inner {
    width: min(100% - 28px, 1160px);
  }

  .header-inner {
    width: min(100% - 24px, 1220px);
  }

  .brand-text {
    font-size: 16px;
  }

  .brand-icon {
    width: 42px;
    height: 42px;
  }

  .hero {
    min-height: calc(76vh - var(--header-h));
    padding: 72px 0 34px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(44, 39, 48, 0.84) 0%, rgba(44, 39, 48, 0.55) 100%),
      linear-gradient(0deg, rgba(44, 39, 48, 0.68) 0%, rgba(44, 39, 48, 0.12) 54%);
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 26px;
  }

  h3 {
    font-size: 18px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-section,
  .content-section,
  .character-section,
  .guide-section,
  .features-section,
  .gallery-section,
  .updates-section,
  .faq-section,
  .friend-links,
  .final-cta {
    padding: 62px 0;
  }

  .content-card {
    min-height: auto;
  }

  .route-step {
    padding: 78px 18px 20px;
  }

  .route-step span {
    left: 18px;
    top: 18px;
  }

  .gallery-layout {
    gap: 14px;
  }

  .gallery-thumbs {
    gap: 10px;
  }

  .thumb-card span {
    min-height: 38px;
    padding: 7px 8px;
    font-size: 13px;
  }

  .update-grid {
    grid-template-columns: 1fr;
  }

  .friend-links {
    padding: 44px 0;
  }

  .friend-link-list {
    width: 100%;
    gap: 12px;
  }

  .friend-link-list a {
    width: min(100%, 310px);
    min-height: 52px;
    padding: 0 18px;
    font-size: 16px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .hero-media img {
    animation: none;
    transform: none;
  }
}