/* ==========================================================================
   Mitce 极速网络加速器 - 核心样式库 (Dark Premium Style)
   色彩规范: 背景 #0A0A0F | 金色 #D4AF37 | 霓虹青 #00D9FF | 文字 #F5F5F7 & #9E9EA7
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,600;1,700&display=swap');

:root {
  --bg-color: #0A0A0F;
  --bg-surface: rgba(18, 18, 26, 0.75);
  --bg-glass: rgba(26, 26, 38, 0.55);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(212, 175, 55, 0.35);
  --border-cyan: rgba(0, 217, 255, 0.35);
  
  --gold-primary: #D4AF37;
  --gold-light: #F3E5AB;
  --gold-glow: rgba(212, 175, 55, 0.25);
  
  --cyan-primary: #00D9FF;
  --cyan-glow: rgba(0, 217, 255, 0.25);
  
  --text-main: #F5F5F7;
  --text-muted: #9E9EA7;
  --text-dim: #65656E;
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 100px;
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  line-height: 1.65;
  background-color: var(--bg-color);
}

/* 噪音纹理层 (Noise Grain Overlay - 0.4 opacity) */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.7'/%3E%3C/svg%3E");
}

/* 自定义光标 (Custom Cursor) */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background-color: var(--gold-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.05s ease-out;
}

.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--gold-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  mix-blend-mode: difference;
}

.cursor-ring.cursor-hover {
  width: 64px;
  height: 64px;
  border-color: var(--cyan-primary);
  background-color: rgba(0, 217, 255, 0.08);
}

@media (pointer: coarse), (hover: none) {
  .cursor-dot, .cursor-ring {
    display: none !important;
  }
}

/* 容器与通用版式 */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* 动效 Reveal 类 */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* 悬浮胶囊导航栏 (Floating Pill Nav) */
.nav-wrapper {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 16px;
}

.floating-nav {
  width: 100%;
  max-width: 1280px;
  height: 64px;
  background: rgba(14, 14, 22, 0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 20px rgba(212, 175, 55, 0.05);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #FFFFFF;
}

.brand-dot {
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--gold-primary), var(--cyan-primary));
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--gold-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: #FFFFFF;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-primary), var(--cyan-primary));
  transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.badge-pulse {
  display: inline-block;
  padding: 2px 7px;
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--gold-primary);
  border-radius: 12px;
  font-size: 0.72rem;
  color: var(--gold-primary);
  margin-left: 4px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 按钮规范 */
.btn-gold-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--gold-primary) 0%, #B8972E 100%);
  color: #0A0A0F;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn-gold-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(212, 175, 55, 0.55);
}

.btn-cyan-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(0, 217, 255, 0.08);
  color: var(--cyan-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 26px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-cyan);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.15);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-cyan-ghost:hover {
  background: rgba(0, 217, 255, 0.16);
  border-color: var(--cyan-primary);
  box-shadow: 0 6px 26px rgba(0, 217, 255, 0.35);
  transform: translateY(-2px);
}

/* Hero 视界区 (100vh) */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: -15%;
  left: -15%;
  width: 130%;
  height: 130%;
  pointer-events: none;
  z-index: 1;
  background: 
    radial-gradient(circle at 30% 35%, rgba(212, 175, 55, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 75% 45%, rgba(0, 217, 255, 0.14) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(10, 10, 15, 0.9) 0%, #0A0A0F 100%);
  filter: blur(60px);
  will-change: transform;
  transition: transform 0.12s ease-out;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.eyebrow-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 24px;
}

.eyebrow-line {
  width: 20px;
  height: 2px;
  background-color: var(--gold-primary);
  border-radius: 1px;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 7.5vw, 6.2rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 24px;
}

.hero-headline em {
  font-style: italic;
  color: var(--gold-primary);
  font-weight: 700;
  text-shadow: 0 0 35px rgba(212, 175, 55, 0.4);
}

.hero-subtext {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 660px;
  margin-bottom: 38px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 48px;
}

/* Hero 右下角数据统计行 */
.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border-glass);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
}

.stat-number span {
  color: var(--cyan-primary);
  font-size: 1.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 通用区块标题 */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--gold-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.section-title em {
  font-style: italic;
  color: var(--cyan-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 核心优势卡片 (Three Glass Cards with Spotlight) */
.features-section {
  padding: 100px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.glass-spotlight-card {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.glass-spotlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: radial-gradient(
    600px circle at var(--mx, 50%) var(--my, 50%),
    rgba(212, 175, 55, 0.12),
    transparent 40%
  );
  z-index: 1;
}

.glass-spotlight-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.4);
}

.card-content {
  position: relative;
  z-index: 2;
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  color: var(--gold-primary);
}

.card-icon.cyan-icon {
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--border-cyan);
  color: var(--cyan-primary);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: #FFFFFF;
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.card-features-list {
  list-style: none;
  border-top: 1px dashed var(--border-glass);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-features-list li {
  font-size: 0.88rem;
  color: #E2E2E8;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-features-list li::before {
  content: '✓';
  color: var(--cyan-primary);
  font-weight: bold;
}

/* 流媒体与 AI 支持图卡 (Two-Column Showcase with Hover Scale) */
.showcase-section {
  padding: 90px 0;
  position: relative;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.showcase-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 420px;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.showcase-card:hover {
  transform: scale(1.02);
  border-color: var(--border-cyan);
}

.showcase-card-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 10, 15, 0.85) 0%, rgba(20, 20, 32, 0.95) 100%);
  z-index: 1;
}

.showcase-glow {
  position: absolute;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 1;
  pointer-events: none;
}

.glow-streaming {
  top: -50px;
  right: -50px;
  background: rgba(212, 175, 55, 0.18);
}

.glow-ai {
  bottom: -50px;
  left: -50px;
  background: rgba(0, 217, 255, 0.2);
}

.showcase-card-inner {
  position: relative;
  z-index: 2;
}

.showcase-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 20px;
}

.showcase-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.showcase-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.platform-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.chip {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 居中玻璃引言块 (Centered Glass Quote Block) */
.quote-section {
  padding: 80px 0;
}

.glass-quote-block {
  max-width: 920px;
  margin: 0 auto;
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 60px 50px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 0 30px rgba(212, 175, 55, 0.04);
}

.oversized-quote-mark {
  font-family: var(--font-serif);
  font-size: 7rem;
  line-height: 1;
  color: var(--gold-primary);
  opacity: 0.35;
  height: 50px;
  display: block;
  margin-bottom: 20px;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-style: italic;
  line-height: 1.6;
  color: #FFFFFF;
  margin-bottom: 24px;
}

.quote-author {
  font-size: 0.95rem;
  color: var(--gold-light);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.quote-sub {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* 价格对比表 (Pricing Comparison Table) */
.pricing-section {
  padding: 100px 0;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 44px 32px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(32, 28, 20, 0.75) 0%, rgba(20, 20, 28, 0.85) 100%);
  border: 1.5px solid var(--gold-primary);
  box-shadow: 0 16px 48px rgba(212, 175, 55, 0.2), inset 0 0 20px rgba(212, 175, 55, 0.05);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #D4AF37, #F3E5AB);
  color: #0A0A0F;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
  white-space: nowrap;
}

.pricing-header {
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 24px;
}

.pricing-tier-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.pricing-tier-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.pricing-price-box {
  margin-bottom: 28px;
}

.pricing-currency {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--gold-primary);
  vertical-align: super;
}

.pricing-amount {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1;
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features-list {
  list-style: none;
  margin-bottom: 36px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing-features-list li {
  font-size: 0.92rem;
  color: #DDDDE4;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features-list li .check-icon {
  color: var(--gold-primary);
  font-weight: bold;
}

.pricing-action {
  margin-top: auto;
}

.pricing-action .btn-gold-pill,
.pricing-action .btn-cyan-ghost {
  width: 100%;
}

/* 用户评价 (Testimonials) */
.reviews-section {
  padding: 90px 0;
  position: relative;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-5px);
  border-color: rgba(212, 175, 55, 0.3);
}

.review-stars {
  color: var(--gold-primary);
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.review-content {
  font-size: 0.95rem;
  color: #DCDCE2;
  line-height: 1.7;
  margin-bottom: 24px;
}

.review-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-glass);
  padding-top: 16px;
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2D2D42, #181824);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--cyan-primary);
  font-size: 1rem;
}

.user-details h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: #FFFFFF;
}

.user-details p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* 常见问题解答 (FAQ) */
.faq-section {
  padding: 90px 0;
  position: relative;
}

.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-glass);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-gold);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 24px 28px;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--gold-primary);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 28px;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding-bottom: 24px;
}

.faq-answer p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* 底部行动号召 (CTA Section with Radial Gold Gradient) */
.cta-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 70px 40px;
  text-align: center;
  background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.22) 0%, rgba(18, 18, 28, 0.85) 65%, #0A0A0F 100%);
  border: 1.5px solid var(--border-gold);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6), 0 0 40px rgba(212, 175, 55, 0.15);
  overflow: hidden;
}

.cta-banner h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.cta-banner h2 em {
  font-style: italic;
  color: var(--gold-primary);
}

.cta-banner p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}

.cta-btn-wrapper {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* 页脚 (Footer - 只保留四个标题，在新页面打开) */
.site-footer {
  border-top: 1px solid var(--border-glass);
  background: #08080C;
  padding: 60px 0 40px 0;
  position: relative;
  z-index: 10;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  list-style: none;
}

.footer-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.footer-link:hover {
  color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.08);
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 28px;
}

/* 响应式媒体查询 (@media) */
@media (max-width: 1024px) {
  .features-grid,
  .pricing-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: translateY(-8px);
  }
}

@media (max-width: 768px) {
  .nav-wrapper {
    top: 12px;
    padding: 0 12px;
  }

  .floating-nav {
    height: auto;
    padding: 12px 18px;
    flex-wrap: wrap;
    gap: 12px;
    border-radius: 20px;
  }

  .nav-links {
    width: 100%;
    order: 3;
    justify-content: center;
    gap: 16px;
    padding-top: 8px;
    border-top: 1px solid var(--border-glass);
  }

  .nav-actions {
    order: 2;
  }

  .hero-section {
    padding-top: 140px;
    min-height: auto;
    padding-bottom: 50px;
  }

  .hero-headline {
    font-size: 2.6rem;
  }

  .hero-stats-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

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

  .showcase-card {
    min-height: auto;
    padding: 36px 24px;
  }

  .glass-quote-block {
    padding: 40px 24px;
  }

  .quote-text {
    font-size: 1.25rem;
  }

  .cta-banner {
    padding: 50px 24px;
  }

  .footer-nav {
    gap: 20px;
    flex-direction: column;
  }
}