/* ==========================================================================
   红杏云机场 (HongXingYun Airport) - 2026 专属视觉样式表 (青云梯模版参考版)
   域名: hongxingyunjc.my
   配色方案: 杏红/玫红 (#E63956) + 暖橙/金橙 (#FF7A00, #FFB300)
   特点: 参考青云梯 2 列 Hero 布局、右侧红杏花艺术插图、跃动点缀、高颜值卡片
   ========================================================================== */

:root {
  /* 品牌主色系 */
  --primary-rgb: 230, 57, 86;
  --primary: #E63956;
  --primary-hover: #D81B43;
  --primary-dark: #B50E34;
  --primary-light: #FFF0F3;
  --primary-subtle: #FDF0F3;
  --primary-glow: rgba(230, 57, 86, 0.22);
  --primary-gradient: linear-gradient(135deg, #E63956 0%, #FF5277 55%, #FF7A00 100%);
  --primary-gradient-hover: linear-gradient(135deg, #D81B43 0%, #E63956 50%, #FF6600 100%);
  
  --orange-accent: #FF7A00;
  --orange-light: #FFF5EC;
  --orange-glow: rgba(255, 122, 0, 0.22);
  --gold-accent: #FFB300;

  /* 背景色系 - 浅色极简 */
  --bg-body: #FAF9FA;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.92);
  --bg-subtle: #F8F1F3;
  --bg-accent-box: #FFF8F5;

  /* 文字颜色 */
  --text-main: #1A1D24;
  --text-muted: #4E5766;
  --text-light: #8490A0;
  --text-link: #E63956;

  /* 边框与阴影 */
  --border-subtle: rgba(230, 57, 86, 0.12);
  --border-orange: rgba(255, 122, 0, 0.18);
  --shadow-sm: 0 3px 10px rgba(230, 57, 86, 0.05);
  --shadow-md: 0 6px 20px rgba(230, 57, 86, 0.08);
  --shadow-lg: 0 14px 36px rgba(230, 57, 86, 0.14);

  /* 圆角与过渡 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --transition: all 0.28s cubic-bezier(0.34, 1.4, 0.64, 1);
  --transition-smooth: all 0.25s ease;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  scroll-behavior: smooth;
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--primary-hover);
}

/* --------------------------------------------------------------------------
   背景跳动点缀与柔光 (Bouncing Dots & Dynamic Ambient)
   -------------------------------------------------------------------------- */
.ambient-glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.ambient-glow-1 {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 86, 0.14) 0%, rgba(255, 122, 0, 0.06) 50%, rgba(255, 255, 255, 0) 70%);
  filter: blur(60px);
  animation: pulseGlow1 10s infinite alternate ease-in-out;
}

.ambient-glow-2 {
  position: absolute;
  top: 40%;
  left: -8%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.12) 0%, rgba(230, 57, 86, 0.05) 50%, rgba(255, 255, 255, 0) 70%);
  filter: blur(65px);
  animation: pulseGlow2 12s infinite alternate ease-in-out;
}

@keyframes pulseGlow1 {
  0% { transform: translate(0, 0) scale(1); opacity: 0.7; }
  100% { transform: translate(-30px, 40px) scale(1.12); opacity: 0.9; }
}

@keyframes pulseGlow2 {
  0% { transform: translate(0, 0) scale(1.08); opacity: 0.6; }
  100% { transform: translate(40px, -30px) scale(0.95); opacity: 0.85; }
}

/* 跳动的小圆点点缀 (Bouncing Decorative Dots) */
.bouncing-dots-wrapper {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.dot-particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.65;
}

.dot-1 {
  top: 12%;
  left: 6%;
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, #E63956, #FF7A00);
  animation: bounceDot1 3.8s infinite ease-in-out;
  box-shadow: 0 0 10px var(--primary-glow);
}

.dot-2 {
  top: 22%;
  right: 10%;
  width: 15px;
  height: 15px;
  background: linear-gradient(135deg, #FF7A00, #FFB300);
  animation: bounceDot2 4.5s infinite ease-in-out;
  box-shadow: 0 0 12px var(--orange-glow);
}

.dot-3 {
  top: 55%;
  left: 4%;
  width: 10px;
  height: 10px;
  background: #E63956;
  animation: bounceDot1 5.2s infinite ease-in-out 0.8s;
}

.dot-4 {
  top: 70%;
  right: 6%;
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, #FF5277, #FF7A00);
  animation: bounceDot2 4.2s infinite ease-in-out 0.4s;
}

@keyframes bounceDot1 {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-18px) scale(1.2); }
}

@keyframes bounceDot2 {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); }
  50% { transform: translateY(20px) translateX(-10px) scale(0.88); }
}

/* 布局容器 */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 18px;
}

/* --------------------------------------------------------------------------
   导航栏 Header (Sleek Glass Top Bar)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
}

.brand-logo svg {
  width: 30px;
  height: 30px;
  color: var(--primary);
}

.brand-name {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.72rem;
  background: var(--orange-light);
  color: var(--orange-accent);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
  border: 1px solid var(--border-orange);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* --------------------------------------------------------------------------
   动态跃动按钮 (Compact Dynamic Buttons)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.84rem;
}

.btn-lg {
  padding: 11px 26px;
  font-size: 0.98rem;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #FFFFFF !important;
  box-shadow: 0 3px 12px var(--primary-glow);
  animation: pulseBtn 3.2s infinite ease-in-out;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 22px var(--primary-glow), 0 0 10px var(--orange-glow);
  color: #FFFFFF !important;
}

.btn-outline {
  background: var(--bg-card);
  color: var(--primary) !important;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px) scale(1.02);
  color: var(--primary-hover) !important;
}

@keyframes pulseBtn {
  0%, 100% { box-shadow: 0 3px 12px var(--primary-glow); }
  50% { box-shadow: 0 6px 20px rgba(230, 57, 86, 0.4), 0 0 10px var(--orange-glow); }
}

/* --------------------------------------------------------------------------
   青云梯参考版：2 列 Hero 布局 (左侧内容 + 右侧红杏花图片)
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 42px 0 36px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: var(--primary-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-tag svg {
  width: 14px;
  height: 14px;
  color: var(--primary);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.hero-title span {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.02rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background: var(--bg-card);
  padding: 16px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-subtle);
}

.stat-number {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.15;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* 首页右侧红杏花图片卡片容器 (Right Column Image Card) */
.hero-image-box {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-subtle);
  padding: 10px;
  box-shadow: var(--shadow-lg), 0 0 30px var(--primary-glow);
  position: relative;
  overflow: hidden;
  animation: floatImage 6s infinite ease-in-out;
}

.hero-image-card img {
  width: 100%;
  max-width: 440px;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  object-fit: cover;
}

.hero-image-badge {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 800;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

@keyframes floatImage {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --------------------------------------------------------------------------
   通用 Section 规范
   -------------------------------------------------------------------------- */
.section {
  padding: 56px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}

.section-subtitle {
  color: var(--orange-accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  display: block;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.3;
}

.section-description {
  font-size: 0.98rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   核心优势 Features Grid
   -------------------------------------------------------------------------- */
.grid-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: var(--bg-card);
  padding: 26px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(230, 57, 86, 0.3);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
}

.feature-icon-wrapper svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   套餐价格 Pricing Cards
   -------------------------------------------------------------------------- */
.grid-pricing {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 26px 20px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-card.popular {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-sm), 0 0 20px var(--primary-glow);
  transform: scale(1.02);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #FFFFFF;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 3px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 18px;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.pricing-price {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.pricing-price span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-traffic {
  font-size: 0.84rem;
  color: var(--orange-accent);
  font-weight: 700;
  background: var(--orange-light);
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.pricing-features {
  list-style: none;
  margin-bottom: 22px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.pricing-features li svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
  flex-shrink: 0;
}

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

.pricing-action .btn {
  width: 100%;
}

/* --------------------------------------------------------------------------
   客户端教程 Tutorial Hub
   -------------------------------------------------------------------------- */
.tutorial-box {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  padding: 30px;
}

.tutorial-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-btn {
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.tab-btn svg {
  width: 16px;
  height: 16px;
}

.tab-btn:hover, .tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.step-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--primary-light);
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary);
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.95rem;
}

.step-detail h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-detail p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   SEO 文章卡片 Grid (Article Directory)
   -------------------------------------------------------------------------- */
.grid-articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-hover);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.article-category {
  background: var(--orange-light);
  color: var(--orange-accent);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.article-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}

.article-title a {
  color: var(--text-main);
}

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

.article-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--primary);
  margin-top: auto;
}

.article-link svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s ease;
}

.article-link:hover svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   用户评价 Testimonials Section
   -------------------------------------------------------------------------- */
.grid-reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-hover);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
}

.review-user-info h4 {
  font-size: 1rem;
  font-weight: 700;
}

.review-user-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

.review-stars {
  color: var(--gold-accent);
  display: flex;
  gap: 2px;
  margin-bottom: 10px;
}

.review-stars svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.review-content {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.review-tag {
  font-size: 0.76rem;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  align-self: flex-start;
  margin-top: 12px;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   常见问题 FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-question {
  padding: 16px 20px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.faq-question svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  transition: transform 0.28s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 20px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 20px 18px 20px;
  transition: max-height 0.3s ease-in-out;
}

/* CTA 行动召唤框 */
.article-cta-box {
  background: linear-gradient(135deg, #FFF0F3 0%, #FFF5EC 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.article-cta-box h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-main);
}

.article-cta-box p {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   页脚 Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #15181E;
  color: #A0ABC0;
  padding: 56px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand .brand-name {
  font-size: 1.3rem;
  color: #FFFFFF;
}

.footer-brand p {
  font-size: 0.88rem;
  margin-top: 12px;
  line-height: 1.65;
  color: #808D9E;
  max-width: 300px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.footer-links a {
  color: #808D9E;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #5D6A7E;
}

/* --------------------------------------------------------------------------
   文章详情页 Content Layout
   -------------------------------------------------------------------------- */
.article-page-container {
  padding: 46px 0;
}

.article-header-hero {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 32px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 14px;
}

.article-h1-title {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  color: var(--text-main);
}

.article-body-wrapper {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 40px;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}

.article-body-content {
  font-size: 1rem;
  line-height: 1.8;
  color: #2D3748;
}

.article-body-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 32px 0 14px;
  color: var(--text-main);
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

.article-body-content h3 {
  font-size: 1.22rem;
  font-weight: 700;
  margin: 22px 0 10px;
  color: var(--text-main);
}

.article-body-content p {
  margin-bottom: 18px;
}

.article-body-content ul, .article-body-content ol {
  margin-bottom: 20px;
  padding-left: 22px;
}

.article-body-content li {
  margin-bottom: 6px;
}

.article-callout {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 22px 0;
  font-size: 0.95rem;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 0.92rem;
}

.article-table th, .article-table td {
  border: 1px solid var(--border-subtle);
  padding: 10px 14px;
  text-align: left;
}

.article-table th {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   响应式断点 (Responsive Design)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-content { text-align: center; }
  .hero-cta { justify-content: center; }
  .grid-pricing { grid-template-columns: repeat(2, 1fr); }
  .grid-features, .grid-audience, .grid-articles, .grid-reviews { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hero-title { font-size: 1.8rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .grid-pricing, .grid-features, .grid-audience, .grid-articles, .grid-reviews { grid-template-columns: 1fr; }
  .pricing-card.popular { transform: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-body-wrapper { padding: 22px; }
  .article-h1-title { font-size: 1.6rem; }
}