:root {
  --ink: #14302b;
  --ink-raised: #1d413a;
  --ink-deep: #0e2420;
  --paper: #f2ece0;
  --paper-deep: #e7dfcd;
  --paper-light: #fbf7ee;
  --umber: #6e5238;
  --line: rgba(110, 82, 56, 0.42);
  --line-on-ink: rgba(231, 223, 205, 0.26);
  --cinnabar: #a5321f;
  --text: #24332f;
  --muted: #565c52;
  --on-ink: #efe8d9;
  --on-ink-muted: #bcc5b8;
  --age-blue: #1b69b3;
  --shell: min(1180px, calc(100% - 32px));
  --header-height: 56px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Songti SC", STSong, "Noto Serif SC", "Source Han Serif SC", SimSun, serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

ul,
ol,
dl,
dd,
figure {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

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

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

button {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.section-ink :focus-visible,
.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--on-ink);
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 30;
  padding: 8px 14px;
  color: var(--on-ink);
  background: var(--cinnabar);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--ink);
  border-bottom: 1px solid var(--line-on-ink);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.brand {
  color: var(--on-ink);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  gap: 28px;
  color: var(--on-ink);
}

.site-nav a {
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-bottom-color: var(--on-ink);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--on-ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  min-height: max(calc(100vh - var(--header-height)), 620px);
  min-height: max(calc(100svh - var(--header-height)), 620px);
  background: var(--paper);
}

.hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 0;
}

.hero-copy {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* 图按宽度铺满，城楼下沿约在图宽的 0.63 处，文字从这里往下排。 */
  padding-top: 66vw;
  padding-top: max(66vw, 36svh);
  padding-bottom: 40px;
  text-align: center;
}

.hero-logo {
  width: min(320px, 84vw);
}

.hero-lead {
  margin-top: 16px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  text-wrap: balance;
}

.hero-genre {
  margin-top: 6px;
  color: var(--cinnabar);
  letter-spacing: 0.12em;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
}

.platform-status {
  padding: 6px 16px;
  color: var(--on-ink);
  background: var(--ink);
  letter-spacing: 0.08em;
}

.age-badge {
  display: inline-flex;
  flex: none;
  flex-direction: column;
  align-items: center;
  width: 62px;
  padding: 4px 4px 3px;
  background: #fff;
  border: 1px solid var(--line);
  font-family: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.age-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 2px 0 3px;
  color: #fff;
  background: var(--age-blue);
  line-height: 1;
}

.age-field strong {
  font-size: 20px;
  font-weight: 500;
}

.age-field span {
  margin-top: 2px;
  font-size: 9px;
}

.age-note {
  margin-top: 3px;
  color: var(--text);
  font-size: 11px;
  line-height: 1.2;
}

.section {
  padding: 64px 0;
}

.section-ink {
  color: var(--on-ink);
  background: var(--ink);
}

.section-deep {
  background: var(--paper-deep);
}

.section-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 12px;
  margin-bottom: 30px;
}

.section-heading h2 {
  color: inherit;
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: 0.08em;
}

.section-heading p {
  grid-column: 1 / -1;
  margin-top: 8px;
  color: var(--muted);
}

.seal {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--paper-light);
  background: var(--cinnabar);
  border-radius: 3px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
}

.play-grid {
  display: grid;
  gap: 18px;
}

.play-card {
  background: var(--ink-raised);
  border: 1px solid var(--line-on-ink);
}

.play-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.play-card h3 {
  padding: 14px 16px 0;
  font-size: 21px;
  letter-spacing: 0.06em;
}

.play-card p {
  padding: 4px 16px 16px;
  color: var(--on-ink-muted);
}

.rail-frame {
  overflow: hidden;
}

.general-list,
.shot-list {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-padding-inline: 16px;
  gap: 14px;
  width: 100%;
  padding: 0 max(16px, calc((100% - 1180px) / 2)) 12px;
  -webkit-overflow-scrolling: touch;
}

.general-card {
  flex: 0 0 min(240px, 70vw);
  scroll-snap-align: start;
  padding: 12px 16px 18px;
  background: var(--paper-light);
  border: 1px solid var(--line);
}

.general-card img {
  width: 100%;
  max-width: 200px;
  margin-inline: auto;
}

.general-card h3 {
  margin-top: 8px;
  color: var(--ink);
  font-size: 22px;
  letter-spacing: 0.08em;
}

.general-card p {
  color: var(--muted);
  font-size: 15px;
}

.general-card .weapon {
  display: inline-block;
  margin-block: 2px 6px;
  color: var(--cinnabar);
  border-bottom: 1px solid var(--cinnabar);
  line-height: 1.5;
}

.chapter-list {
  display: grid;
  border-top: 1px solid var(--line-on-ink);
}

.chapter-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-on-ink);
}

.chapter-list span {
  color: var(--on-ink-muted);
  font-size: 15px;
  letter-spacing: 0.1em;
}

.chapter-list h3 {
  font-size: 23px;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.chapter-list p {
  color: var(--on-ink-muted);
}

.shot-list li {
  flex: 0 0 clamp(200px, 56vw, 264px);
  scroll-snap-align: start;
}

.shot-list img {
  width: 100%;
  border: 1px solid var(--line);
}

.shot-list figcaption {
  margin-top: 8px;
  color: var(--ink);
  text-align: center;
  letter-spacing: 0.1em;
}

.health-panel {
  display: grid;
  gap: 28px;
  padding: 28px 20px;
  background: var(--paper-light);
  border: 1px solid var(--line);
}

.health-notice h2 {
  color: var(--ink);
  font-size: 26px;
  letter-spacing: 0.08em;
}

.health-notice ul {
  display: grid;
  gap: 2px;
  margin-top: 12px;
  font-size: 17px;
}

.health-age {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  color: var(--muted);
}

.about-list {
  display: grid;
  border-top: 1px solid var(--line-on-ink);
}

.about-list > div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-on-ink);
}

.about-list dt {
  color: var(--on-ink-muted);
  font-size: 15px;
}

.about-list dd {
  overflow-wrap: anywhere;
}

.about-list a {
  border-bottom: 1px solid var(--on-ink-muted);
}

.site-footer {
  padding: 28px 0 36px;
  color: var(--on-ink-muted);
  background: var(--ink-deep);
  font-size: 15px;
}

.footer-inner {
  display: grid;
  gap: 4px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 8px;
  color: var(--on-ink);
}

.footer-links a {
  padding: 4px 0;
  border-bottom: 1px solid var(--line-on-ink);
}

.filing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.filing-links a:hover,
.footer-links a:hover {
  color: #fff;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  .js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 520ms ease, transform 520ms ease;
  }

  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .js .nav-toggle {
    display: block;
  }

  .js .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 4px 16px 12px;
    background: var(--ink);
    border-bottom: 1px solid var(--line-on-ink);
  }

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

  .js .site-nav a {
    padding: 11px 0;
  }

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

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

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

  .site-nav {
    gap: 18px;
  }
}

@media (min-width: 640px) {
  .play-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chapter-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .about-list > div {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 20px;
  }

  .health-panel {
    padding: 36px;
  }
}

@media (min-width: 960px) {
  .section {
    padding: 88px 0;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .section-heading h2 {
    font-size: 36px;
  }

  .hero {
    min-height: clamp(620px, calc(100vh - var(--header-height)), 900px);
  }

  .hero-art {
    left: auto;
    right: 0;
    width: 56%;
    max-width: 1080px;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 22%);
    mask-image: linear-gradient(90deg, transparent 0, #000 22%);
  }

  .hero-copy {
    align-items: flex-start;
    justify-content: center;
    padding-top: 48px;
    padding-bottom: 48px;
    text-align: left;
  }

  .hero-logo {
    width: min(420px, 38vw);
    margin-left: -8%;
  }

  .hero-lead {
    font-size: 22px;
  }

  .hero-genre {
    font-size: 18px;
  }

  .play-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .general-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }

  .general-card {
    display: grid;
    grid-template-columns: 112px 1fr;
    align-items: center;
    gap: 14px;
    padding: 14px;
  }

  .general-card h3 {
    margin-top: 0;
  }

  .chapter-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .shot-list {
    justify-content: safe center;
  }

  .shot-list li {
    flex: 1 1 0;
    min-width: 160px;
  }

  .health-panel {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
    padding: 44px 48px;
  }

  .health-notice ul {
    grid-template-columns: repeat(2, max-content);
    gap: 4px 28px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 4px 40px;
  }

  .footer-links {
    grid-column: 1 / -1;
  }
}

@media print {
  .site-header,
  .nav-toggle {
    display: none;
  }

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