/* glass — 玻璃拟态风：渐变网格 + 毛玻璃 + 胶囊导航 + 圆形游戏球 */

:root {
  --mesh-1: #667eea;
  --mesh-2: #764ba2;
  --mesh-3: #f093fb;
  --mesh-4: #4facfe;
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  --text-primary: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-faint: rgba(255, 255, 255, 0.5);
  --accent: #a78bfa;
  --radius-pill: 999px;
  --radius-card: 20px;
  --blur: blur(16px);
  --font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ── 渐变网格背景 ── */
.glass-body {
  background-color: #1a1040;
  background-image:
    radial-gradient(ellipse at 20% 20%, var(--mesh-1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 10%, var(--mesh-3) 0%, transparent 45%),
    radial-gradient(ellipse at 60% 80%, var(--mesh-2) 0%, transparent 50%),
    radial-gradient(ellipse at 10% 70%, var(--mesh-4) 0%, transparent 45%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* ── 胶囊导航 ── */
.glass-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  background: rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid var(--glass-border);
}
.glass-logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pill-nav {
  display: flex;
  gap: 4px;
  list-style: none;
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 4px;
}
.pill-nav a {
  display: block;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-pill);
  transition: all 0.2s;
}
.pill-nav a:hover,
.pill-nav a.active {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}
.glass-auth { display: flex; gap: 8px; }
.btn {
  padding: 9px 22px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-block;
  border: none;
}
.btn-login {
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}
.btn-register {
  background: linear-gradient(135deg, var(--mesh-1), var(--mesh-2));
  color: #fff;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}
.btn:hover { transform: translateY(-1px); opacity: 0.92; }

.promo-bar {
  text-align: center;
  padding: 10px 24px;
  font-size: 13px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid var(--glass-border);
}

/* ── 舞台主区 ── */
.glass-stage { max-width: 1200px; margin: 0 auto; padding: 0 24px 48px; }

/* ── Hero 毛玻璃卡 ── */
.glass-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 48px 0;
}
.glass-hero-card {
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 36px;
  box-shadow: var(--glass-shadow);
}
.glass-hero-card h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.glass-hero-card p { color: var(--text-muted); font-size: 16px; margin-bottom: 24px; }
.glass-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.glass-hero-chips {
  display: flex; gap: 10px; flex-wrap: wrap; list-style: none;
}
.glass-hero-chips li {
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 12px;
  color: var(--text-muted);
}
.glass-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.glass-hero-orb {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--glass-border);
  box-shadow: 0 0 60px rgba(167, 139, 250, 0.4), var(--glass-shadow);
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
}
.glass-hero-orb img { width: 100%; height: 100%; object-fit: cover; }

/* ── 毛玻璃面板 ── */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--glass-shadow);
}
.glass-panel-head { margin-bottom: 24px; }
.glass-panel-head h2 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.glass-panel-head p { font-size: 14px; color: var(--text-muted); }

/* ── 圆形游戏球 ── */
.game-orb-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}
.game-orb {
  text-align: center;
  width: 140px;
  transition: transform 0.2s;
}
.game-orb:hover { transform: translateY(-6px); }
.game-orb-ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 10px;
  border: 2px solid var(--glass-border);
  box-shadow: 0 0 24px rgba(167, 139, 250, 0.3);
  background: rgba(255,255,255,0.08);
}
.game-orb-ring img { width: 100%; height: 100%; object-fit: cover; }
.game-orb h3 { font-size: 13px; font-weight: 600; margin-bottom: 2px; }
.game-orb p { font-size: 11px; color: var(--text-faint); }

/* ── 分类毛玻璃卡 ── */
.cat-glass-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.cat-glass {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cat-glass:hover { transform: scale(1.02); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }
.cat-glass img { width: 100%; height: 130px; object-fit: cover; display: block; }
.cat-glass-text { padding: 16px; }
.cat-glass-text h3 { font-size: 15px; margin-bottom: 6px; }
.cat-glass-text p { font-size: 13px; color: var(--text-muted); }

/* ── 优势毛玻璃卡 ── */
.feat-glass-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.feat-glass {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: var(--blur);
}
.feat-glass h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; color: var(--accent); }
.feat-glass p { font-size: 13px; color: var(--text-muted); }

/* ── 关于 + 评价 ── */
.glass-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.glass-about {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 24px;
  backdrop-filter: var(--blur);
}
.glass-about img { width: 100%; border-radius: 12px; margin-bottom: 14px; }
.glass-about h2 { font-size: 18px; margin-bottom: 12px; }
.glass-about p { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; }
.glass-quote {
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 28px;
  font-size: 18px;
  font-style: italic;
  color: var(--text-muted);
  text-align: center;
  backdrop-filter: var(--blur);
}
.glass-quote footer { margin-top: 14px; font-size: 12px; font-style: normal; color: var(--text-faint); }

/* ── FAQ 毛玻璃折叠 ── */
.faq-glass-list { display: flex; flex-direction: column; gap: 10px; }
.faq-glass {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  overflow: hidden;
  backdrop-filter: var(--blur);
}
.faq-glass summary {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  list-style: none;
}
.faq-glass summary::-webkit-details-marker { display: none; }
.faq-glass-body {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--text-muted);
  border-top: 1px solid var(--glass-border);
  padding-top: 12px;
}
.faq-glass-body p { margin-bottom: 6px; }

/* ── 内页 ── */
.glass-page-hero {
  padding: 40px 0 24px;
  text-align: center;
}
.glass-page-hero h1 { font-size: 34px; font-weight: 800; margin-bottom: 8px; }
.glass-page-hero p { color: var(--text-muted); font-size: 15px; }
.glass-content { padding-bottom: 32px; }
.section-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; }
.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 32px; }
.about-block img { width: 100%; border-radius: 16px; border: 1px solid var(--glass-border); }
.about-text h2 { font-size: 18px; margin-bottom: 12px; }
.about-text p { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; }
.feature-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.feature-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 16px;
  backdrop-filter: var(--blur);
}
.feature-card h3 { font-size: 14px; margin-bottom: 6px; color: var(--accent); }
.feature-card p { font-size: 13px; color: var(--text-muted); }
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; margin-bottom: 32px; }
.game-card { background: rgba(255,255,255,0.08); border-radius: 14px; overflow: hidden; border: 1px solid var(--glass-border); }
.game-card img { width: 100%; display: block; }
.game-card .game-info { padding: 10px; }
.game-card h3 { font-size: 13px; }
.game-card p { font-size: 11px; color: var(--text-faint); }
.banner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 32px; }
.banner-item { background: rgba(255,255,255,0.08); border-radius: 14px; overflow: hidden; border: 1px solid var(--glass-border); }
.banner-item img { width: 100%; display: block; }
.banner-item h3 { padding: 10px; font-size: 14px; }
.banner-item p { padding: 0 10px 10px; font-size: 12px; color: var(--text-muted); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-article {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 20px;
  backdrop-filter: var(--blur);
}
.news-meta { font-size: 11px; color: var(--text-faint); margin-bottom: 6px; }
.news-body h2 { font-size: 18px; margin-bottom: 8px; }
.news-body p { font-size: 14px; color: var(--text-muted); margin-bottom: 6px; }
.legal-content h2 { font-size: 17px; margin: 20px 0 10px; }
.legal-content p { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
.container { margin-bottom: 28px; }

/* ── Footer ── */
.footer {
  backdrop-filter: var(--blur);
  background: rgba(0,0,0,0.25);
  border-top: 1px solid var(--glass-border);
  margin-top: 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 12px; }
.footer-col p, .footer-col li { font-size: 13px; color: var(--text-muted); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 6px; }
.footer-col a { color: var(--text-muted); }
.footer-col a:hover { color: var(--text-primary); }
.age-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid var(--glass-border);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}
.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding: 14px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-faint);
}
.footer-simple {
  padding: 20px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-faint);
  border-top: 1px solid var(--glass-border);
}
.footer-simple a { color: var(--text-muted); margin: 0 8px; }

@media (max-width: 768px) {
  .glass-hero { grid-template-columns: 1fr; }
  .glass-hero-orb { width: 240px; height: 240px; }
  .glass-dual { grid-template-columns: 1fr; }
  .about-block { grid-template-columns: 1fr; }
  .pill-nav { flex-wrap: wrap; justify-content: center; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}