.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;
}

.seo-breadcrumb {
  max-width: 1380px;
  margin: 0 auto;
  padding: 1.2rem 1.25rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  color: #617a7c;
  font-size: .86rem;
}

.seo-breadcrumb a {
  color: #075e62;
  font-weight: 750;
  text-decoration: none;
}

.seo-breadcrumb a:hover,
.seo-breadcrumb a:focus-visible {
  text-decoration: underline;
}

.shooter-hero {
  padding-top: 2.6rem;
}

.shooter-hero h1 {
  max-width: 1100px;
  font-size: clamp(2.7rem, 5.4vw, 5.8rem);
}

.hero-title-zh {
  display: block;
  margin-top: .28em;
  color: #0a898a;
  font-size: .58em;
  line-height: 1.08;
  letter-spacing: .01em;
}

.hero-copy-zh {
  color: #667f81;
}

.load-status small {
  display: block;
  margin-top: .35rem;
  color: #61797b;
  font-weight: 650;
}

.seo-game-content {
  margin-top: 2.25rem;
  color: #0a3137;
}

.seo-intro,
.seo-faq {
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border: 1px solid #d9e6df;
  border-radius: 30px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 18px 50px rgba(11, 55, 53, .08);
}

.seo-intro h2,
.seo-faq h2 {
  max-width: 900px;
  margin: .35rem 0 1rem;
  font: 850 clamp(2rem, 4vw, 4rem)/1.05 Georgia, "Noto Serif SC", serif;
}

.seo-intro > p:not(.eyebrow) {
  max-width: 970px;
  color: #526e71;
  font-size: 1.05rem;
  line-height: 1.85;
}

.seo-intro > p[lang="zh-Hans"] {
  margin-bottom: 0;
  color: #6b8284;
  font-size: .95rem;
}

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

.seo-card {
  position: relative;
  min-height: 100%;
  padding: 1.6rem;
  overflow: hidden;
  border: 1px solid #d9e6df;
  border-radius: 24px;
  background: #fffdf8;
}

.seo-card:nth-child(2) { background: #f5fbf8; }
.seo-card:nth-child(3) { background: #fbf7ff; }

.seo-card-number {
  position: absolute;
  top: .35rem;
  right: .8rem;
  color: rgba(8, 91, 92, .09);
  font: 800 4.6rem/1 Georgia, serif;
}

.seo-card h2 {
  position: relative;
  margin: 0 0 1rem;
  padding-right: 2rem;
  font-size: 1.3rem;
  line-height: 1.25;
}

.seo-card h2 span,
.seo-faq h2 span {
  display: block;
  margin-top: .35rem;
  color: #627b7d;
  font: 700 .78em/1.4 Inter, "Segoe UI", sans-serif;
}

.seo-card p,
.seo-card li {
  color: #536f71;
  line-height: 1.75;
}

.seo-card ol,
.seo-card ul {
  margin: 0;
  padding-left: 1.25rem;
}

.seo-links {
  display: grid;
  gap: .65rem;
  margin-top: 1rem;
}

.seo-links a {
  padding: .75rem .85rem;
  border-radius: 12px;
  color: #00696c;
  background: rgba(111, 220, 197, .14);
  font-weight: 760;
  line-height: 1.35;
  text-decoration: none;
}

.seo-links a:hover,
.seo-links a:focus-visible {
  background: rgba(111, 220, 197, .25);
  text-decoration: underline;
}

.seo-faq {
  margin-top: 1rem;
}

.seo-faq details {
  max-width: 980px;
  border-top: 1px solid #dce8e2;
}

.seo-faq details:last-child {
  border-bottom: 1px solid #dce8e2;
}

.seo-faq summary {
  padding: 1rem 2.2rem 1rem 0;
  color: #073c42;
  cursor: pointer;
  font-size: 1.03rem;
  font-weight: 800;
}

.seo-faq details p {
  margin: -.25rem 0 1.2rem;
  color: #567174;
  line-height: 1.8;
}

.seo-faq details p span {
  display: block;
  margin-top: .35rem;
  color: #708789;
  font-size: .92rem;
}

@media (max-width: 900px) {
  .seo-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .seo-breadcrumb { padding-top: .9rem; }
  .shooter-hero { padding-top: 2rem; }
  .shooter-hero h1 { font-size: clamp(2.25rem, 11vw, 3.8rem); }
  .seo-intro,
  .seo-faq { border-radius: 22px; }
}