/* ==========================================================================
   CTC 金龙鱼机场网 (ctc金龙鱼.top / xn--ctc-wq5jp45bvqe.top)
   原生现代化高性能样式表 - 零外部依赖，极速秒开
   ========================================================================== */

:root {
  --bg-primary: #070c18;
  --bg-secondary: #0b1326;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-hover: rgba(22, 33, 62, 0.85);
  --border-color: rgba(52, 211, 153, 0.22);
  --border-color-cyan: rgba(56, 189, 248, 0.2);
  --border-glow: rgba(52, 211, 153, 0.5);
  
  /* 冰绿色调 (Ice Green) 全面升级为主题高亮 */
  --gold-50: #ecfdf5;
  --gold-100: #d1fae5;
  --gold-300: #a7f3d0;
  --gold-400: #34d399;
  --gold-500: #10b981;
  --gold-600: #059669;
  --gold-gradient: linear-gradient(135deg, #a7f3d0 0%, #34d399 45%, #10b981 100%);
  
  --cyan-400: #38bdf8;
  --cyan-500: #0ea5e9;
  --cyan-gradient: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  
  /* 冰绿色调 (Ice Green) */
  --icegreen-300: #a7f3d0;
  --icegreen-400: #6ee7b7;
  --icegreen-500: #34d399;
  --icegreen-600: #10b981;
  --icegreen-700: #059669;
  --icegreen-gradient: linear-gradient(135deg, #a7f3d0 0%, #34d399 45%, #10b981 100%);
  --icegreen-btn-gradient: linear-gradient(135deg, #6ee7b7 0%, #34d399 35%, #10b981 70%, #059669 100%);
  --icegreen-btn-hover: linear-gradient(135deg, #a7f3d0 0%, #6ee7b7 40%, #34d399 80%, #10b981 100%);
  --shadow-glow-icegreen: 0 4px 22px rgba(16, 185, 129, 0.42), 0 0 16px rgba(110, 231, 183, 0.28);
  --shadow-glow-icegreen-hover: 0 8px 32px rgba(16, 185, 129, 0.65), 0 0 25px rgba(110, 231, 183, 0.48);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dark: #64748b;

  --success: #10b981;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.28);
  --shadow-glow-cyan: 0 0 25px rgba(56, 189, 248, 0.25);
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* 动态背景 Canvas 与光晕层 */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 15%, #0f1d38 0%, #070c18 65%, #03060c 100%);
}

.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  background-image: 
    radial-gradient(circle at 18% 25%, rgba(52, 211, 153, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 82% 35%, rgba(56, 189, 248, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
  animation: pulseGlow 14s ease-in-out infinite alternate;
}

main, #main-content {
  position: relative;
  z-index: 1;
}

@keyframes pulseGlow {
  0% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05) translate(10px, -15px); }
  100% { opacity: 0.8; transform: scale(0.98) translate(-10px, 10px); }
}

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

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 渐变与强调文字 */
.text-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-cyan {
  color: var(--cyan-400);
}

.text-icegreen {
  background: var(--icegreen-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  filter: drop-shadow(0 0 16px rgba(52, 211, 153, 0.45));
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--gold-400);
  border: 1px solid rgba(52, 211, 153, 0.35);
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 8px var(--gold-400);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* 按钮规范与核心 CTA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  outline: none;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--icegreen-btn-gradient);
  color: #05241b;
  font-weight: 800;
  box-shadow: var(--shadow-glow-icegreen);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--icegreen-btn-hover);
  box-shadow: var(--shadow-glow-icegreen-hover);
  color: #011a12;
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-primary);
  border: 1px solid rgba(52, 211, 153, 0.35);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--gold-400);
  color: var(--gold-300);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* 顶部导航 Header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 12, 24, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(52, 211, 153, 0.15);
  transition: var(--transition);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  height: 44px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--gold-400);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gold-gradient);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

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

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 960px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.22;
  margin: 22px 0;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-keywords-tag {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 34px;
}

.kw-pill {
  font-size: 0.8rem;
  color: var(--cyan-400);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.22);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* 实时状态与跑分条 */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 30px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  margin-top: 20px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.metric-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -9px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.metric-val {
  font-size: 2.1rem;
  font-weight: 900;
  font-family: var(--font-mono);
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* 通用章节样式 */
.section {
  padding: 85px 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--gold-400);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  line-height: 1.3;
}

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

/* ==========================================================================
   价格方案（所有价格同排核心样式）
   ========================================================================== */
.pricing-section {
  position: relative;
}

.pricing-row-container {
  width: 100%;
  overflow-x: auto;
  padding-bottom: 24px;
  -webkit-overflow-scrolling: touch;
}

/* 6个价格同排网格布局 */
.pricing-grid-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  min-width: 1180px; /* 保证在大屏紧凑同排，小屏可横向滑动浏览体验极佳 */
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-400);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.price-card.featured {
  border-color: var(--gold-500);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.12) 0%, rgba(15, 23, 42, 0.85) 100%);
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.25);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold-gradient);
  color: #05241b;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.plan-head {
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.plan-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan-400);
  background: rgba(56, 189, 248, 0.1);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 8px;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin: 10px 0 4px;
}

.price-currency {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold-400);
}

.price-number {
  font-size: 2.3rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
}

.price-period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-subprice {
  font-size: 0.78rem;
  color: var(--gold-400);
  font-weight: 600;
  min-height: 18px;
}

.plan-features {
  list-style: none;
  padding: 20px 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.835rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.feature-icon {
  width: 15px;
  height: 15px;
  min-width: 15px;
  color: var(--gold-400);
  margin-top: 2px;
}

.plan-action {
  margin-top: auto;
  padding-top: 14px;
}

/* 核心优势 Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-box:hover {
  transform: translateY(-5px);
  border-color: var(--cyan-400);
  box-shadow: var(--shadow-glow-cyan);
}

.feature-box-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-400);
  margin-bottom: 20px;
}

.feature-box-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-box-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 客户端支持 Client Badges */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.client-card:hover {
  border-color: var(--gold-400);
  transform: translateY(-3px);
}

.client-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-400);
}

.client-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.client-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 文章专栏 Grid */
.articles-section {
  position: relative;
}

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

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold-400);
  box-shadow: var(--shadow-glow);
}

.article-thumb-placeholder {
  height: 160px;
  background: linear-gradient(135deg, #0b152b 0%, #172545 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.article-thumb-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 0.725rem;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.18);
  color: var(--gold-400);
  border: 1px solid rgba(52, 211, 153, 0.35);
  font-weight: 700;
}

.article-thumb-icon {
  font-size: 2.2rem;
  color: var(--gold-400);
  margin-bottom: 8px;
}

.article-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.article-title {
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.article-title a:hover {
  color: var(--gold-400);
}

.article-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

.article-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.read-more-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan-400);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.read-more-link:hover {
  color: var(--gold-400);
  gap: 9px;
}

/* 用户真实评价 Testimonials */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--gold-400);
  transform: translateY(-4px);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--gold-400);
  font-size: 1rem;
  margin-bottom: 14px;
}

.review-text {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
  font-style: italic;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: #0b1120;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1rem;
}

.reviewer-details h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.verified-tag {
  font-size: 0.7rem;
  color: var(--success);
  font-weight: 600;
}

.reviewer-details p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 常见问题 FAQ Accordion */
.faq-container {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--gold-400);
  background: var(--bg-card-hover);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--gold-400);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--gold-400);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 22px 24px;
}

/* 权威外链与合作伙伴资源 */
.outlinks-section {
  background: rgba(11, 19, 38, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 45px 0;
}

.outlinks-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.outlink-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.outlink-badge:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  transform: translateY(-2px);
}

/* 页脚 Footer */
.site-footer {
  position: relative;
  z-index: 2;
  background: #040810;
  border-top: 1px solid rgba(52, 211, 153, 0.18);
  padding: 60px 0 30px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand p {
  margin: 16px 0 20px;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-col h5 {
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--gold-400);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 25px;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 14px;
}

/* 响应式断点适配 */
@media (max-width: 1200px) {
  .features-grid, .articles-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .metrics-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .metric-item:not(:last-child)::after {
    display: none;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0;
  }
  .nav-wrapper {
    height: 64px;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: #070c18;
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(52, 211, 153, 0.22);
    display: none;
  }
  .main-nav.active {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .features-grid, .articles-grid, .reviews-grid, .clients-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .pricing-row-container {
    padding-left: 8px;
    padding-right: 8px;
  }
}


/* ==========================================================================
   蔚蓝神兽巨鲸投喂控制舱 (Whale Feeder Dock)
   ========================================================================== */
.whale-feeder-dock {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 95;
  background: rgba(11, 19, 38, 0.94);
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.65), 0 0 25px rgba(56, 189, 248, 0.22);
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 290px;
  transition: var(--transition);
  user-select: none;
}

.whale-feeder-dock:hover {
  border-color: var(--cyan-400);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.75), 0 0 32px rgba(56, 189, 248, 0.4);
}

.feeder-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.feeder-whale-icon {
  font-size: 1.8rem;
  line-height: 1;
  animation: floatWhale 3s ease-in-out infinite alternate;
}

@keyframes floatWhale {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-4px) rotate(-4deg); }
}

.feeder-info {
  flex: 1;
}

.feeder-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--cyan-400);
  letter-spacing: 0.5px;
}

.feeder-status {
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.feeder-count {
  font-weight: 800;
  color: var(--cyan-400);
}

.feeder-buttons {
  display: flex;
  gap: 8px;
}

.btn-feed {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-primary);
  transition: var(--transition);
}

.btn-feed:hover {
  background: var(--cyan-gradient);
  color: #0b1120;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.btn-feed:active {
  transform: translateY(0) scale(0.96);
}

.feeder-tip {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.3;
}

/* 投喂成功与饱食弹窗 Toast */
.whale-toast {
  position: fixed;
  bottom: 140px;
  right: 30px;
  z-index: 100;
  background: rgba(11, 25, 55, 0.96);
  border: 1px solid var(--cyan-400);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6), 0 0 25px rgba(56, 189, 248, 0.45);
  pointer-events: none;
  animation: toastPop 2.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  display: flex;
  align-items: center;
  gap: 8px;
}

@keyframes toastPop {
  0% { opacity: 0; transform: translateY(20px) scale(0.9); }
  15% { opacity: 1; transform: translateY(0) scale(1); }
  80% { opacity: 1; transform: translateY(-5px) scale(1); }
  100% { opacity: 0; transform: translateY(-25px) scale(0.95); }
}

@media (max-width: 768px) {
  .whale-feeder-dock {
    bottom: 16px;
    right: 16px;
    padding: 10px 14px;
    max-width: 240px;
  }
}