/* ═══════════════════════════════════════════════════════════════
   TickTest Global — Layout & Components（苹果风）
   ═══════════════════════════════════════════════════════════════ */

/* ── 导航栏 ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--blur-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 52px;
}
.nav-logo {
  display: flex; align-items: center; gap: 6px;
  font-size: 1.2rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-actions select {
  background: var(--bg-secondary); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 5px 12px; font-size: 0.85rem; cursor: pointer;
  outline: none; font-family: var(--font-sans);
}
.nav-actions select:focus { border-color: var(--accent); }

/* ── 按钮 ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: 24px;
  font-size: 0.9rem; font-weight: 500; cursor: pointer;
  transition: all 0.25s; border: none; letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover {
  background: #0077ed;
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent; color: var(--accent);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--accent-glow); border-color: var(--accent);
}

/* ── Hero ── */
.hero {
  padding: 140px 0 80px; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700; line-height: 1.08; letter-spacing: -0.03em;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #1d1d1f 0%, #3a3a3f 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.2rem; color: var(--text-secondary);
  max-width: 560px; margin: 0 auto var(--gap-lg); font-weight: 400; letter-spacing: -0.01em;
}
.hero .hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── 市场选择器 ── */
.markets {
  padding: var(--gap-xl) 0; background: var(--bg-primary);
}
.markets h2 {
  text-align: center; font-size: 2.2rem; font-weight: 700;
  margin-bottom: var(--gap-lg); letter-spacing: -0.02em;
}
.market-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.market-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  transition: all 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
  cursor: pointer; position: relative; overflow: hidden;
  text-decoration: none; color: inherit; display: block;
  box-shadow: var(--shadow-sm);
}
.market-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.market-card:hover .market-arrow { opacity: 1; transform: translateX(0); }
.market-flag { font-size: 2.5rem; margin-bottom: 14px; }
.market-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 6px; letter-spacing: -0.01em; }
.market-card h3 .en {
  display: block; font-size: 0.6em; font-weight: 400;
  color: var(--text-secondary); margin-top: 2px; letter-spacing: 0;
}
.market-card .market-stat {
  display: inline-block; background: var(--bg-secondary);
  border-radius: 20px; padding: 4px 14px;
  font-size: 0.8rem; color: var(--text-secondary); margin-top: 10px;
}
.market-arrow {
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%) translateX(-8px);
  font-size: 1.4rem; color: var(--accent); opacity: 0; transition: all 0.3s;
}

/* ── 特性卡片 ── */
.features {
  padding: var(--gap-xl) 0; background: var(--bg-secondary);
}
.features h2 {
  text-align: center; font-size: 2.2rem; font-weight: 700;
  margin-bottom: var(--gap-lg); letter-spacing: -0.02em;
}
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 24px;
  box-shadow: var(--shadow-sm); transition: all 0.3s;
}
.feature-card:hover { box-shadow: var(--shadow-md); }
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.01em; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; font-weight: 400; letter-spacing: -0.005em; }

/* ── 代码示例 ── */
.code-demo {
  padding: var(--gap-xl) 0; background: var(--bg-primary);
}
.code-demo h2 { text-align: center; font-size: 2.2rem; font-weight: 700; margin-bottom: var(--gap-lg); letter-spacing: -0.02em; }
.code-block {
  max-width: 680px; margin: 0 auto;
  background: var(--bg-code); border-radius: var(--radius-lg);
  padding: 28px 32px; font-family: var(--font-mono);
  font-size: 0.85rem; line-height: 1.9; overflow-x: auto;
  position: relative; color: #f5f5f7;
  box-shadow: var(--shadow-md);
}
.code-block .prompt { color: #64d2ff; }
.code-block .cmd { color: #ff9f0a; }
.code-block .str { color: #30d158; }
.code-block .comment { color: #8e8e93; }
.code-copy {
  position: absolute; top: 12px; right: 14px;
  background: rgba(255,255,255,0.08); border: none;
  color: #8e8e93; border-radius: 6px;
  padding: 4px 10px; font-size: 0.7rem; cursor: pointer;
  transition: all 0.2s; font-family: var(--font-sans);
}
.code-copy:hover { background: rgba(255,255,255,0.15); color: #fff; }

/* ── CTA ── */
.cta-section {
  padding: var(--gap-xl) 0; text-align: center;
  background: var(--bg-secondary);
}
.cta-section h2 { font-size: 2.2rem; font-weight: 700; margin-bottom: 16px; letter-spacing: -0.02em; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border); padding: 32px 0;
  text-align: center; color: var(--text-muted); font-size: 0.8rem;
  background: var(--bg-secondary);
}
.footer .container {
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 16px; align-items: center;
}
.footer a { color: var(--text-secondary); font-size: 0.8rem; }
.footer a:hover { color: var(--text-primary); }

/* ── 响应式 ── */
@media (max-width: 768px) {
  .hero { padding: 100px 0 50px; }
  .hero h1 { font-size: 2rem; }
  .market-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .navbar .container { padding: 0 16px; }
}