/* ============================================================
   最后幸存者的后宫 - Post-Apocalyptic Survivor Theme
   Wasteland Browns + Radiation Greens + Bunker-Gear Motifs
   Light Fallout Background
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Palette */
  --bg: #f4efe4;
  --bg-warm: #ede5d7;
  --bg-card: #faf7f0;
  --bg-alt: #e8e0d0;

  --text: #2a2318;
  --text-soft: #5c5344;
  --text-muted: #8a7e6e;

  --header-bg: #1c1914;
  --header-text: #e8dcc8;
  --header-border: #6b8e23;

  --accent: #6b8e23;
  --accent-glow: #8cc63f;
  --accent-dark: #4a6b14;

  --wasteland: #b8956a;
  --rust: #b85c38;
  --hazard: #d4842a;
  --hazard-glow: #f0a040;
  --danger-red: #c0392b;
  --bunker-gray: #5a5550;

  /* Fonts */
  --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
  --font-serif: 'Noto Serif SC', 'SimSun', 'STSong', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;

  /* Spacing */
  --max-width: 1100px;
  --section-pad: 80px 24px;
  --section-pad-sm: 48px 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.16);
  --shadow-glow: 0 0 20px rgba(107,142,35,0.15);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* Subtle fallout background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.03;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 2px, var(--text) 2px, var(--text) 2.5px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, var(--text) 2px, var(--text) 2.5px);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--accent-glow); }

p { margin-bottom: 1rem; }

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

/* --- Utility Classes --- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.prose {
  max-width: 800px;
  margin: 0 auto;
}

.section-alt {
  background: var(--bg-warm);
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.chapter-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin: 24px 0 8px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}

.guide-intro {
  font-size: 1.05rem;
  color: var(--text-soft);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.route-desc {
  color: var(--text-soft);
  margin-bottom: 1.2rem;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: 6px;
  border-left: 3px solid var(--hazard);
}

.route-heading {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin: 28px 0 10px;
  padding-bottom: 4px;
  border-bottom: 2px dashed var(--accent);
}

/* --- Lists --- */
.content-list {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 1.2rem;
}

.content-list-num {
  list-style: decimal;
  padding-left: 24px;
  margin-bottom: 1.2rem;
}

.content-li { margin-bottom: 5px; color: var(--text-soft); }
.content-li-sm { margin-bottom: 4px; color: var(--text-soft); font-size: 0.95rem; }
.content-li-md { margin-bottom: 8px; color: var(--text-soft); }
.content-li-lg { margin-bottom: 10px; color: var(--text-soft); }

/* --- Strong color variants --- */
.strong-green { color: var(--accent); }
.strong-gold { color: var(--hazard); }
.strong-red { color: var(--danger-red); }
.strong-muted { color: var(--text-muted); }
.strong-navy { color: var(--accent-dark); }

/* --- Table highlight --- */
.td-highlight {
  color: var(--accent-dark);
  font-weight: 700;
}

/* --- System reqs headings --- */
.sys-reqs-h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--bunker-gray);
  margin: 24px 0 10px;
}
.sys-reqs-h3:first-of-type { margin-top: 0; }

/* --- Section sub-heading (characters page) --- */
.section-subheading {
  text-align: center;
  margin: 40px 0 24px;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-dark);
  position: relative;
}
.section-subheading::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 8px auto 0;
  border-radius: 2px;
}

/* --- Hero tagline --- */
.hero-tagline {
  font-size: 1.15rem;
  color: var(--header-text);
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Sub-page hero --- */
.hero-subpage {
  padding: 40px 24px 48px;
}
.hero-subpage-title {
  font-size: 2rem;
  font-weight: 700;
}

/* --- Content section h2 (styled like h1) --- */
.content-section h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--header-bg);
  border-bottom: 3px solid var(--header-border);
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--header-text);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.site-logo:hover {
  color: var(--accent-glow);
}

/* Desktop nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  color: var(--header-text);
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
  opacity: 0.8;
}

.main-nav a:hover,
.main-nav a.active {
  opacity: 1;
  background: rgba(107,142,35,0.15);
  color: var(--accent-glow);
}

/* Nav CTA button */
.nav-cta {
  margin-left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff !important;
  font-weight: 700;
  padding: 8px 20px !important;
  border-radius: 6px;
  font-size: 0.95rem;
  opacity: 1 !important;
  transition: all 0.25s;
  box-shadow: 0 2px 8px rgba(107,142,35,0.3);
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--accent-glow), var(--accent));
  box-shadow: 0 4px 16px rgba(107,142,35,0.4);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--header-text);
  transition: all 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  text-align: center;
  padding: 80px 24px 100px;
  overflow: hidden;
  color: #e8dcc8;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(28,25,20,0.75) 0%,
    rgba(28,25,20,0.6) 40%,
    rgba(40,35,25,0.5) 100%
  );
  z-index: 1;
}

/* Radiation overlay pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.06;
  background:
    radial-gradient(circle at 30% 40%, rgba(107,142,35,0.3) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(184,92,56,0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero > * {
  position: relative;
  z-index: 3;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #f5efe0;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

/* Page-specific hero backgrounds */
.hero-home .hero-bg { background-image: url('../img/header.jpg'); }
.hero-story .hero-bg { background-image: url('../img/screenshot-01.jpg'); }
.hero-guide .hero-bg { background-image: url('../img/screenshot-02.jpg'); }
.hero-characters .hero-bg { background-image: url('../img/screenshot-03.jpg'); }
.hero-faq .hero-bg { background-image: url('../img/header.jpg'); }

/* Hero subtitle */
.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 400;
  color: #d5c9b0;
  margin-bottom: 1rem;
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */
.content-section {
  padding: var(--section-pad);
  max-width: var(--max-width);
  margin: 0 auto;
}

.content-section h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.content-section h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin: 32px 0 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.section-header p {
  color: var(--text-soft);
  font-size: 1.05rem;
}

/* ============================================================
   GAME INFO CARDS (INDEX)
   ============================================================ */
.game-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}

.info-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 24px;
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.info-card-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.info-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin: 0 0 6px;
}

.info-card p {
  font-size: 0.95rem;
  color: var(--text-soft);
  margin: 0;
}

/* ============================================================
   FEATURE CARDS (INDEX)
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 28px;
  border: 1px solid rgba(107,142,35,0.15);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.feature-card-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin: 0 0 8px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-soft);
  margin: 0;
  line-height: 1.7;
}

/* ============================================================
   SCREENSHOT GALLERY
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.gallery-item {
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s;
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/9;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(28,25,20,0.95);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 6px;
  box-shadow: 0 4px 40px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2.5rem;
  color: #e8dcc8;
  cursor: pointer;
  z-index: 2001;
  background: rgba(0,0,0,0.4);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  line-height: 1;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: rgba(0,0,0,0.7);
}

/* ============================================================
   PLAYER REVIEWS / QUOTES
   ============================================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 24px;
  border-left: 4px solid var(--hazard);
  box-shadow: var(--shadow-sm);
}

.review-card blockquote {
  font-style: italic;
  color: var(--text-soft);
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.review-card .reviewer {
  font-weight: 600;
  color: var(--bunker-gray);
  font-size: 0.9rem;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--header-bg), #2a2520);
  border-top: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  padding: 48px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background:
    radial-gradient(circle at 20% 50%, rgba(107,142,35,0.5) 0%, transparent 60%),
    radial-gradient(circle at 80% 50%, rgba(184,92,56,0.3) 0%, transparent 50%);
  pointer-events: none;
}

.cta-banner > * { position: relative; z-index: 1; }

.cta-banner h2 {
  color: #f5efe0;
  font-size: 2rem;
  margin-bottom: 8px;
}

.cta-banner p {
  color: #c5b898;
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 40px;
  border-radius: 8px;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(107,142,35,0.35);
}

.cta-btn:hover {
  background: linear-gradient(135deg, var(--accent-glow), var(--accent));
  box-shadow: 0 6px 24px rgba(107,142,35,0.45);
  transform: translateY(-2px);
  color: #fff;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 8px;
  margin-bottom: 12px;
  border: 1px solid rgba(107,142,35,0.12);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 48px 18px 20px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  position: relative;
  line-height: 1.5;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
  content: '\2212';
  transform: translateY(-50%);
}

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

.faq-item.active .faq-answer {
  max-height: 800px;
}

.faq-answer-inner {
  padding: 0 20px 20px;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ============================================================
   SYSTEM REQUIREMENTS TABLE
   ============================================================ */
.sys-table {
  width: 100%;
  max-width: 700px;
  margin: 20px auto;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sys-table thead {
  background: var(--accent-dark);
  color: #fff;
}

.sys-table th {
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: left;
}

.sys-table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(107,142,35,0.08);
  font-size: 0.95rem;
  color: var(--text-soft);
}

.sys-table tr:last-child td {
  border-bottom: none;
}

.sys-table td:first-child {
  font-weight: 600;
  color: var(--text);
}

/* ============================================================
   CHARACTER CARDS
   ============================================================ */
.characters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.char-card {
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid rgba(107,142,35,0.08);
}

.char-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.char-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.char-card-body {
  padding: 20px;
}

.char-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin: 0 0 6px;
}

.char-card-role {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--hazard);
  background: rgba(212,132,42,0.1);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.char-card-body p {
  font-size: 0.95rem;
  color: var(--text-soft);
  margin: 0;
  line-height: 1.7;
}

.char-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.char-trait {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-dark);
  background: rgba(107,142,35,0.1);
  padding: 3px 10px;
  border-radius: 20px;
}

/* ============================================================
   GUIDE STEPS
   ============================================================ */
.guide-step {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 28px;
  margin-bottom: 20px;
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-sm);
}

.guide-step h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.guide-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 700;
}

.tip-box {
  background: rgba(184,92,56,0.08);
  border-left: 3px solid var(--rust);
  border-radius: 6px;
  padding: 14px 18px;
  margin: 16px 0;
}

.tip-box strong {
  color: var(--rust);
}

.warn-box {
  background: rgba(192,57,43,0.06);
  border-left: 3px solid var(--danger-red);
  border-radius: 6px;
  padding: 14px 18px;
  margin: 16px 0;
}

.warn-box strong {
  color: var(--danger-red);
}

/* ============================================================
   STORY CHAPTERS
   ============================================================ */
.story-section {
  margin-bottom: 48px;
}

.story-section h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--accent-dark);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid rgba(107,142,35,0.2);
}

.story-section p {
  color: var(--text-soft);
  line-height: 1.85;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  text-align: center;
  padding: 32px 24px;
  background: var(--header-bg);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-pad: 60px 20px;
  }

  .hamburger { display: flex; }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--header-bg);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 3px solid var(--header-border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .main-nav.active { transform: translateY(0); }

  .main-nav a {
    width: 100%;
    padding: 12px 16px;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
    justify-content: center;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero-title { font-size: 2.2rem; }

  .features-grid,
  .characters-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }

  .hero { padding: 60px 20px 80px; }
}

@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .site-logo { font-size: 1rem; }

  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }
  .hero-title { font-size: 1.8rem; }

  .content-section { padding: 40px 16px; }

  .info-card,
  .feature-card,
  .guide-step,
  .review-card {
    padding: 18px;
  }

  .cta-banner h2 { font-size: 1.5rem; }
  .cta-btn { font-size: 1rem; padding: 12px 28px; }

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