:root {
  --bg-primary: #1a1a18;
  --bg-secondary: #232320;
  --text-primary: #f3ece8;
  --text-secondary: #c9b9b2;
  --accent: #c9a196;
  --accent-deep: #8b6e62;
  --muted: #a0a0a0;
  --surface: #2b2a27;
  --border: rgba(201, 161, 150, 0.25);
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  --radius-lg: 18px;
  --radius-md: 12px;
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at top right, rgba(139, 110, 98, 0.28), transparent 38%),
    radial-gradient(circle at 12% 20%, rgba(201, 161, 150, 0.2), transparent 25%),
    var(--bg-primary);
  line-height: 1.65;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: #dcc0b8;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(26, 26, 24, 0.9);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  font-weight: 700;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.brand em {
  font-style: normal;
  color: var(--accent);
  font-family: "Orbitron", sans-serif;
  font-size: 0.85rem;
  margin-left: 0.2rem;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 0.48rem 0.65rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-menu a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-menu a i {
  margin-right: 0.36rem;
  color: var(--accent);
}

.nav-menu a:hover {
  color: var(--text-primary);
}

.hero {
  padding: 3rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.2rem;
  align-items: center;
}

.hero-content {
  background: linear-gradient(130deg, rgba(35, 35, 32, 0.9), rgba(26, 26, 24, 0.65));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.hero-content .eyebrow,
.hero-content h1 {
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0.2rem 0 0.6rem;
  line-height: 1.3;
}

h1 {
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-family: "Orbitron", "Noto Sans SC", sans-serif;
}

.hero-desc {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 0.95rem;
}

.hero-meta span {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(201, 161, 150, 0.15);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

.hero-meta i {
  color: var(--accent);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 0;
  margin: 0 0 1rem;
  list-style: none;
}

.tag-list li {
  background: rgba(201, 161, 150, 0.14);
  color: #f7d8ce;
  border: 1px solid rgba(201, 161, 150, 0.3);
  border-radius: 999px;
  padding: 0.3rem 0.72rem;
  font-size: 0.82rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 11px;
  padding: 0.66rem 1rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  font-weight: 700;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active,
button:active {
  transform: translateY(1px) scale(0.99);
}

.is-pressed {
  filter: brightness(0.94);
}

.btn-primary {
  color: #211b18;
  background: linear-gradient(90deg, #dfb8ab, #c9a196);
  box-shadow: 0 10px 20px rgba(201, 161, 150, 0.25);
}

.btn-ghost {
  border-color: rgba(201, 161, 150, 0.42);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

.hero-media img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  min-height: 300px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.section {
  padding: 2.7rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.08));
  border-block: 1px solid rgba(201, 161, 150, 0.1);
}

.section-head {
  margin-bottom: 1.1rem;
  text-align: center;
}

.section-head p {
  margin: 0 auto;
  max-width: 760px;
  color: var(--text-secondary);
}

.card-grid {
  display: grid;
  gap: 0.9rem;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: transform var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 161, 150, 0.45);
}

.card-date,
.meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.gallery-row {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 1rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 0.2rem;
}

.gallery-item {
  margin: 0;
  flex: 0 0 31%;
  min-width: 240px;
  max-width: 340px;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 0.6rem;
}

.gallery-item img {
  width: 100%;
  height: 180px;
  border-radius: 10px;
  object-fit: cover;
}

.gallery-item figcaption {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.review-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.review-stats > div {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.85rem;
}

.review-stats strong {
  display: block;
  font-size: 1.15rem;
  color: #ffd5c8;
}

.review-stats span {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.review-carousel {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
}

.review-track-wrap {
  overflow: hidden;
}

.review-track {
  display: flex;
  transition: transform 0.42s ease;
}

.review-item {
  margin: 0;
  min-width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.review-item p {
  margin: 0 0 0.6rem;
}

.review-item footer {
  color: var(--muted);
}

.carousel-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
}

.version-list {
  display: grid;
  gap: 0.8rem;
}

.version-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 1rem;
}

.version-item header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.version-item ul {
  margin: 0.5rem 0 0;
  padding-left: 1rem;
}

.guide-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.95rem;
}

.filter-btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.filter-btn.is-active {
  background: rgba(201, 161, 150, 0.22);
  border-color: rgba(201, 161, 150, 0.55);
}

.guide-card.is-hidden {
  display: none;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
  margin-bottom: 0.4rem;
}

.badge-main {
  background: rgba(201, 161, 150, 0.2);
  color: #f1cec1;
}

.badge-role {
  background: rgba(160, 160, 160, 0.2);
  color: #d7d7d7;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  border: 0;
  color: var(--text-primary);
  background: transparent;
  padding: 0.95rem 1rem;
  cursor: pointer;
  font-size: 1rem;
  text-align: left;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer p {
  margin: 0;
  padding: 0 1rem 0.95rem;
  color: var(--text-secondary);
}

.faq-item.is-open .faq-answer {
  max-height: 180px;
}

.faq-item.is-open .faq-question i {
  transform: rotate(45deg);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #161614;
  padding-top: 1.5rem;
}

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

.footer-grid h3 {
  margin-top: 0;
  text-align: center;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.footer-grid p {
  color: var(--text-secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(201, 161, 150, 0.15);
  margin-top: 1rem;
  padding: 0.85rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
}

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

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .news-grid,
  .guide-grid,
  .chapter-grid,
  .review-stats,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .header-inner {
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 1px);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #1a1a18;
  }

  .nav-menu.open {
    display: flex;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .news-grid,
  .guide-grid,
  .chapter-grid,
  .review-stats,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .review-carousel {
    grid-template-columns: 1fr;
  }

  .carousel-btn {
    justify-self: center;
  }
}