/* ================================================================
   STARLESS 中文官网 — 无星暗黑豪宅主题
   色彩：无星黑 #1A1A2E / 月光银 #B0BEC5 / 烛光金 #FFB300 / 象牙白 #FDF8F5
   ================================================================ */

/* --- FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* --- CSS VARIABLES --- */
:root {
  --font-serif: 'Noto Serif SC', 'SimSun', 'STSong', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --bg: #1A1A2E;
  --bg-card: #232342;
  --bg-warm: #1E1E38;
  --bg-header: #0D0D1F;
  --bg-footer: #0A0A1A;

  --text: #FDF8F5;
  --text-soft: #B0BEC5;
  --text-muted: #7B8A92;

  --accent: #FFB300;
  --accent-dk: #D4A000;
  --accent-light: #FFCC33;

  --danger-red: #E57373;
  --border: #2A2A4A;
  --border-light: #3A3A5A;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);

  --max-width: 1100px;
  --header-height: 64px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-light); }

/* --- SCREEN READER ONLY --- */
.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;
}

/* --- STICKY HEADER --- */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-header);
  border-bottom: 3px solid var(--accent);
  height: var(--header-height);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.header-logo span {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-soft);
  display: block;
  letter-spacing: 0.05em;
  margin-top: -2px;
}
nav { display: flex; align-items: center; gap: 6px; }
nav a {
  color: var(--text-soft);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
nav a:hover,
nav a.active {
  color: var(--accent);
  background: rgba(255, 179, 0, 0.08);
}
.nav-cta {
  background: var(--accent) !important;
  color: #1A1A2E !important;
  font-weight: 700 !important;
  padding: 10px 22px !important;
  border-radius: 8px !important;
  margin-left: 12px;
}
.nav-cta:hover {
  background: var(--accent-light) !important;
  color: #1A1A2E !important;
}

/* --- HERO SECTION (index) --- */
.hero {
  background:
    radial-gradient(ellipse at center, rgba(26,26,46,0.3) 0%, rgba(26,26,46,0.95) 100%),
    linear-gradient(135deg, #1A1A2E 0%, #0D0D1F 50%, #1A1A2E 100%);
  padding: 60px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('../img/cover.jpg') center/cover no-repeat;
  opacity: 0.15;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }

.hero-tagline {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--text-soft);
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}
.hero-title-main {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 2px 16px rgba(0,0,0,0.5);
  margin-bottom: 12px;
  line-height: 1.3;
}
.hero-title-main .jp-subtitle {
  display: block;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-soft);
  margin-top: 8px;
  letter-spacing: 0.08em;
}
.hero-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

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

/* --- CONTENT SECTION --- */
.content-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px;
}
.section-alt { background: var(--bg-warm); }
.section-no-padding { padding: 0; }

/* --- SECTION HEADINGS --- */
.section-heading {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-heading-alt {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.section-subtext {
  text-align: center;
  color: var(--text-soft);
  margin-bottom: 32px;
}
.section-title-group { margin-bottom: 32px; }
.section-title-group-spaced { margin-top: 48px; }
.section-subheading { text-align: center; margin: 40px 0 24px; }

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

/* --- GAME INFO CARDS (index) --- */
.game-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}
.game-info-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 24px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}
.game-info-card:hover { border-color: var(--accent); }
.game-info-card .info-value {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent);
}
.game-info-card .info-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.game-info-desc {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0;
}

/* --- FEATURE CARDS (index) --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 28px 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.7;
}

/* --- SCREENSHOT GALLERY (index) --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.gallery-grid img {
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%;
}
.gallery-grid img:hover { transform: scale(1.02); box-shadow: var(--shadow); }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
}

/* --- PLAYER REVIEWS (index) --- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 28px 24px;
  border: 1px solid var(--border);
  position: relative;
}
.review-card::before {
  content: '"';
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.15;
  position: absolute;
  top: 8px;
  left: 16px;
  line-height: 1;
}
.review-card p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}
.review-author {
  display: block;
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 16px;
  font-weight: 500;
}

/* --- CTA BANNER (index only) --- */
.cta-banner {
  background: linear-gradient(135deg, #0D0D1F 0%, #1A1A2E 100%);
  border: 2px solid var(--accent);
  border-radius: 14px;
  padding: 48px 32px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-banner h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 12px;
}
.cta-banner p {
  color: var(--text-soft);
  margin-bottom: 28px;
  font-size: 0.95rem;
}
.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #1A1A2E;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 48px;
  border-radius: 10px;
  transition: all 0.3s;
  letter-spacing: 0.04em;
}
.cta-btn:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 179, 0, 0.3);
}

/* --- CHARACTER CARDS (characters.html) --- */
.char-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;
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.2s;
}
.char-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.char-card-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: top;
  background: var(--bg);
}
.char-card-body { padding: 20px; }
.char-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}
.char-card-body .char-role {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.char-card-body .char-va {
  font-size: 0.78rem;
  color: var(--text-soft);
  margin-bottom: 10px;
}
.char-card-body p {
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.7;
}
.char-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.char-tag {
  font-size: 0.7rem;
  background: rgba(255, 179, 0, 0.1);
  color: var(--accent-light);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255, 179, 0, 0.2);
}

/* --- GUIDE PAGE --- */
.guide-intro {
  font-size: 0.95rem;
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 28px;
}
.guide-intro-top { margin-top: 8px; }
.route-heading {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 36px;
  margin-bottom: 16px;
}
.route-desc {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.8;
}
.guide-steps-wrapper { counter-reset: guide-step; }
.guide-step {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin-bottom: 16px;
}
.guide-step h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}
.guide-step h3::before {
  counter-increment: guide-step;
  content: "步骤 " counter(guide-step) "：";
  color: var(--accent);
}
.guide-step p {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.7;
}
.tip-box {
  background: rgba(255, 179, 0, 0.06);
  border: 1px solid rgba(255, 179, 0, 0.2);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 16px 0;
}
.tip-box strong {
  color: var(--accent);
}
.ending-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.ending-table th {
  background: var(--bg-header);
  color: var(--accent);
  font-weight: 700;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--accent);
  font-size: 0.9rem;
}
.ending-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-soft);
}
.ending-table tr:hover td { background: rgba(255, 179, 0, 0.04); }

/* --- STORY PAGE --- */
.story-block {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 28px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
}
.story-block h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.story-block p {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.8;
}
.chapter-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-top: 24px;
  margin-bottom: 8px;
}
.branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.branch-card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 20px;
  border: 1px solid var(--border);
  text-align: center;
}
.branch-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 6px;
}
.branch-card p {
  font-size: 0.82rem;
  color: var(--text-soft);
}

/* --- FAQ PAGE --- */
.faq-intro {
  color: var(--text-soft);
  margin-bottom: 32px;
}
.faq-note {
  margin-top: 16px;
}
.faq-item {
  background: var(--bg-card);
  border-radius: 8px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 24px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}
.faq-question:hover { background: rgba(255, 179, 0, 0.04); }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 300;
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 800px; }
.faq-answer-content {
  padding: 0 24px 20px;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.8;
}

/* System Requirements */
.table-scroll {
  overflow-x: auto;
  margin: 16px 0;
}
.sys-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
}
.sys-table th {
  background: var(--bg-header);
  color: var(--accent);
  font-weight: 700;
  padding: 10px 14px;
  border-bottom: 2px solid var(--accent);
  font-size: 0.85rem;
}
.sys-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-soft);
}
.sys-reqs-h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 24px;
  margin-bottom: 12px;
}
.sys-reqs-h3:first-of-type { margin-top: 8px; }
.sys-note {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --- CONTENT LIST CLASSES --- */
.content-list { list-style: disc; padding-left: 20px; }
.content-list-num { list-style: decimal; padding-left: 24px; }
.content-li { margin-bottom: 5px; color: var(--text-soft); }
.content-li-sm { margin-bottom: 4px; color: var(--text-soft); }
.content-li-md { margin-bottom: 8px; color: var(--text-soft); }
.content-li-lg { margin-bottom: 10px; color: var(--text-soft); }

/* --- COLORED STRONG TAGS --- */
.strong-gold { color: var(--accent); }
.strong-red { color: var(--danger-red); }
.strong-muted { color: var(--text-muted); }

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

/* --- PROSE CENTERED --- */
.prose-centered {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 32px;
  color: var(--text-soft);
  line-height: 1.85;
  font-size: 0.95rem;
}
.prose-centered:last-of-type { margin-bottom: 40px; }

/* --- FOOTER --- */
footer {
  background: var(--bg-footer);
  text-align: center;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
}
footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .hero { padding: 40px 20px 60px; }
  .hero-title-main { font-size: 2rem; }
  .hero-title-main .jp-subtitle { font-size: 0.9rem; }
  .hero-subpage-title { font-size: 1.5rem; }
  .content-section { padding: 40px 20px; }
  .section-heading,
  .section-heading-alt { font-size: 1.6rem; }
  .content-section h2 { font-size: 1.8rem; }
  .cta-banner { padding: 32px 24px; }
  .cta-banner h2 { font-size: 1.4rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .char-grid { grid-template-columns: 1fr 1fr; }
  .game-info-grid { grid-template-columns: repeat(2, 1fr); }
  nav a { padding: 6px 10px; font-size: 0.8rem; }
  .nav-cta { padding: 8px 16px !important; font-size: 0.8rem !important; }
}

@media (max-width: 480px) {
  .hero-title-main { font-size: 1.6rem; }
  .hero-subpage-title { font-size: 1.3rem; }
  .hero { padding: 32px 16px 48px; }
  .content-section { padding: 32px 16px; }
  .section-heading,
  .section-heading-alt { font-size: 1.4rem; }
  .char-grid { grid-template-columns: 1fr; }
  .game-info-grid { grid-template-columns: 1fr 1fr; }
  .branch-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .header-logo { font-size: 1.1rem; }
  .header-logo span { font-size: 0.6rem; }
  nav { gap: 2px; }
  nav a { padding: 6px 8px; font-size: 0.75rem; }
  .nav-cta { padding: 6px 12px !important; margin-left: 4px; }
}