/* ============================================
   快乐宝贝学习网 - 温馨可爱亲子风格
   ============================================ */

/* 字体：用系统字体栈，不引外部字体
   （国内加载慢，且主站首页有 CSP `style-src 'self'`，外部 @import 会被拦） */

/* ===== CSS 变量 ===== */
:root {
  --primary-yellow: #FFD700;
  --primary-yellow-dark: #FFB800;
  --primary-pink: #FF6B9D;
  --primary-pink-light: #FF85A2;
  --primary-pink-dark: #e0557f;
  --accent-blue: #4ECDC4;
  --accent-blue-light: #7EC8E3;
  --accent-orange: #FF8C42;
  --bg-cream: #FFF8F0;
  --bg-white: #FFFDF9;
  --text-brown: #4A3728;
  --text-light: #8B7355;
  --shadow-soft: 0 4px 20px rgba(255, 107, 157, 0.15);
  --shadow-card: 0 6px 25px rgba(74, 55, 40, 0.08);
  --shadow-hover: 0 12px 35px rgba(255, 107, 157, 0.2);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== 全局重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: linear-gradient(180deg, #FFF8F0 0%, #FFFDF5 40%, #FFF0F5 70%, #FFF8F0 100%);
  color: var(--text-brown);
  min-height: 100vh;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ===== 浮动装饰背景 ===== */
.floating-decorations {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.floating-deco {
  position: absolute;
  font-size: 2rem;
  opacity: 0.15;
  animation: floatAround 15s ease-in-out infinite;
}

.floating-deco:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; font-size: 2.5rem; }
.floating-deco:nth-child(2) { top: 20%; right: 8%; animation-delay: 2s; font-size: 2rem; }
.floating-deco:nth-child(3) { top: 50%; left: 3%; animation-delay: 4s; font-size: 1.8rem; }
.floating-deco:nth-child(4) { top: 65%; right: 5%; animation-delay: 1s; font-size: 2.2rem; }
.floating-deco:nth-child(5) { top: 35%; left: 50%; animation-delay: 3s; font-size: 1.5rem; }
.floating-deco:nth-child(6) { top: 80%; left: 10%; animation-delay: 5s; font-size: 2rem; }
.floating-deco:nth-child(7) { top: 8%; left: 40%; animation-delay: 6s; font-size: 1.6rem; }
.floating-deco:nth-child(8) { top: 75%; right: 12%; animation-delay: 2.5s; font-size: 1.8rem; }

@keyframes floatAround {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(5deg); }
  50% { transform: translateY(-10px) rotate(-3deg); }
  75% { transform: translateY(-25px) rotate(4deg); }
}

/* ===== 容器 ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ===== 顶部导航栏 ===== */
.header {
  background: linear-gradient(135deg, #FFF8F0 0%, #FFF0F5 100%);
  border-bottom: 3px solid rgba(255, 107, 157, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  padding: 12px 0;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 3px 12px rgba(255, 107, 157, 0.2);
  transition: var(--transition);
}

.logo-img:hover {
  transform: scale(1.08) rotate(-5deg);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-orange), var(--primary-yellow-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

/* ===== 顶部「回到首页」按钮 ===== */
.header-home-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-orange));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(255, 107, 157, 0.28);
  transition: var(--transition);
}

.header-home-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 157, 0.42);
  text-decoration: none;
  color: #fff;
}

.header-home-btn:active {
  transform: scale(0.97);
}

@media (max-width: 768px) {
  .header-home-btn {
    padding: 9px 16px;
    font-size: 0.85rem;
    gap: 5px;
  }
}

/* ===== Hero 区域 ===== */
.hero {
  text-align: center;
  padding: 60px 20px 40px;
  position: relative;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-yellow), var(--primary-yellow-dark));
  color: white;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 3px 12px rgba(255, 184, 0, 0.3);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-brown);
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 750px;
  margin: 0 auto 16px;
  line-height: 2;
}

.hero-emoji-line {
  font-size: 1.5rem;
  margin-top: 12px;
  letter-spacing: 8px;
}

/* ===== 通用标题样式 ===== */
.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-brown);
  margin-bottom: 8px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  display: block;
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-pink), var(--primary-yellow));
  border-radius: 4px;
  margin: 8px auto 0;
}

.section-title p {
  color: var(--text-light);
  font-size: 1rem;
  margin-top: 8px;
}

/* ===== 功能卡片区 ===== */
.features {
  padding: 50px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  border: 2px solid rgba(255, 107, 157, 0.08);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-pink), var(--primary-yellow), var(--accent-blue));
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 107, 157, 0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.feature-icon.pink { background: linear-gradient(135deg, #FFF0F5, #FFE4EC); }
.feature-icon.yellow { background: linear-gradient(135deg, #FFFDE7, #FFF8E1); }
.feature-icon.blue { background: linear-gradient(135deg, #E0F7FA, #E0F2FE); }
.feature-icon.orange { background: linear-gradient(135deg, #FFF3E0, #FFE0B2); }
.feature-icon.green { background: linear-gradient(135deg, #E8F5E9, #C8E6C9); }

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-brown);
  margin-bottom: 8px;
}

.feature-card h3 .tag {
  display: inline-block;
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 20px;
  margin-left: 6px;
  vertical-align: middle;
  font-weight: 600;
}

.tag.hot { background: #FFE4EC; color: var(--primary-pink); }
.tag.new { background: #E0F7FA; color: #00897B; }

.feature-card p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ===== QA 问答区 ===== */
.qa-section {
  padding: 50px 0;
}

.qa-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qa-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 2px solid rgba(255, 107, 157, 0.06);
  overflow: hidden;
  transition: all var(--transition);
}

.qa-item:hover {
  border-color: rgba(255, 107, 157, 0.15);
}

.qa-question {
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 16px;
  user-select: none;
  transition: background var(--transition);
}

.qa-question:hover {
  background: rgba(255, 107, 157, 0.03);
}

.qa-question-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
}

.qa-q-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-pink-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.qa-question h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-brown);
  line-height: 1.5;
}

.qa-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--primary-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-pink);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}

.qa-item.active .qa-toggle {
  transform: rotate(45deg);
  background: var(--primary-pink);
  color: white;
}

.qa-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 28px;
}

.qa-item.active .qa-answer {
  max-height: 800px;
  padding: 0 28px 24px;
}

.qa-answer-content {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 2;
  padding-top: 4px;
  border-top: 1px solid rgba(255, 107, 157, 0.1);
}

.qa-answer-content p {
  margin-bottom: 10px;
}

.qa-answer-content .btn-link {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-pink-light));
  color: white;
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: 8px;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.qa-answer-content .btn-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.qa-answer-content .reminder {
  background: #FFF8E1;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
  color: #795548;
  margin-top: 10px;
  border-left: 4px solid var(--primary-yellow);
}

/* ===== 信函按钮 ===== */
.letter-section {
  padding: 40px 0 60px;
  text-align: center;
}

.letter-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-pink-dark));
  color: white;
  font-size: 1.3rem;
  font-weight: 700;
  padding: 18px 48px;
  border: none;
  border-radius: 60px;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(255, 107, 157, 0.35);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  letter-spacing: 2px;
}

.letter-btn::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.5s;
}

.letter-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 40px rgba(255, 107, 157, 0.45);
}

.letter-btn:hover::before {
  opacity: 1;
}

.letter-btn:active {
  transform: scale(0.97);
}

.letter-btn .btn-icon {
  font-size: 1.4rem;
  animation: bounce 1.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* ===== 弹窗 Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(74, 55, 40, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.open {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(74, 55, 40, 0.2);
  animation: modalIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.85) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: #FFF0F5;
  color: var(--primary-pink);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 10;
}

.modal-close:hover {
  background: var(--primary-pink);
  color: white;
  transform: rotate(90deg);
}

.modal-body {
  padding: 40px 36px 32px;
}

.modal-body .letter-deco {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.modal-body h2 {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-brown);
  margin-bottom: 20px;
  position: relative;
}

.modal-body h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-pink), var(--primary-yellow));
  border-radius: 3px;
  margin: 10px auto 0;
}

.modal-letter-text {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 2.2;
  margin-bottom: 24px;
}

.modal-letter-text p {
  margin-bottom: 12px;
  text-indent: 2em;
}

.modal-letter-text .signature {
  text-align: right;
  font-weight: 700;
  color: var(--text-brown);
  font-size: 1rem;
  margin-top: 16px;
  text-indent: 0;
}

/* ===== 免责声明正文 ===== */
.modal-doc-text {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 2;
  margin-bottom: 24px;
  text-align: justify;
}

.modal-doc-text p {
  margin-bottom: 10px;
  text-indent: 0;
}

.modal-doc-text .doc-num {
  display: inline-block;
  min-width: 1.5em;
  font-weight: 800;
  color: var(--primary-pink);
}

.modal-doc-text .doc-tail {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 107, 157, 0.25);
  color: var(--text-brown);
  font-weight: 600;
}

.modal-return-btn {
  display: block;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--primary-yellow), var(--primary-yellow-dark));
  color: white;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 36px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255, 184, 0, 0.3);
  transition: all var(--transition);
}

.modal-return-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(255, 184, 0, 0.4);
}

.modal-return-btn:active {
  transform: scale(0.97);
}

/* ===== Footer ===== */
.footer {
  background: linear-gradient(135deg, #FFE4EC, #FFF0F5);
  padding: 30px 0;
  text-align: center;
  border-top: 3px solid rgba(255, 107, 157, 0.1);
  margin-top: 20px;
}

.footer p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer .footer-heart {
  color: var(--primary-pink);
  animation: pulse 1.5s ease-in-out infinite;
  display: inline-block;
}

/* ===== 页脚免责声明入口 ===== */
.footer-declare {
  margin-top: 12px;
  font-size: 0.82rem;
}

.footer-declare-link {
  color: var(--text-light);
  text-decoration: none;
  border-bottom: 1px dashed rgba(139, 115, 85, 0.45);
  padding-bottom: 1px;
  cursor: pointer;
  transition: var(--transition);
}

.footer-declare-link:hover {
  color: var(--primary-pink);
  border-bottom-color: var(--primary-pink);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #FFF0F5;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-pink), var(--primary-pink-light));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-pink-dark);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .section-title h2 {
    font-size: 1.6rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .logo-text {
    font-size: 1.1rem;
  }

  .logo-img {
    width: 40px;
    height: 40px;
  }

  .letter-btn {
    font-size: 1.05rem;
    padding: 14px 32px;
  }

  .modal-body {
    padding: 28px 20px 24px;
  }

  .qa-question {
    padding: 16px 20px;
  }

  .qa-question h3 {
    font-size: 0.95rem;
  }

  .qa-answer {
    padding: 0 20px;
  }

  .qa-item.active .qa-answer {
    padding: 0 20px 20px;
  }
}

/* ===== 信封信纸装饰 ===== */
.modal-envelope {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  opacity: 0.3;
}

/* ===== 分隔装饰 ===== */
.divider {
  text-align: center;
  padding: 20px 0;
  font-size: 1.5rem;
  letter-spacing: 12px;
  color: rgba(255, 107, 157, 0.2);
}

/* ===== 页面顶部装饰条 ===== */
.top-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--primary-pink), var(--primary-yellow), var(--accent-blue), var(--accent-orange), var(--primary-pink));
  background-size: 200% 100%;
  animation: gradientMove 4s ease infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ============================================
   会员对比页 - VIP 专属样式
   ============================================ */

/* ===== VIP Hero 标语 ===== */
.vip-header {
  background: linear-gradient(135deg, #FFF8F0 0%, #FFF0F5 100%);
  border-bottom: 3px solid rgba(255, 107, 157, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  padding: 12px 0;
}

.vip-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vip-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(255, 107, 157, 0.08);
  transition: all var(--transition);
}

.vip-back-link:hover {
  background: rgba(255, 107, 157, 0.15);
  color: var(--primary-pink);
}

.vip-hero {
  text-align: center;
  padding: 50px 20px 30px;
  position: relative;
}

.vip-hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, #FFD700, #FFA000);
  color: white;
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  box-shadow: 0 4px 15px rgba(255, 160, 0, 0.3);
  animation: vipGlow 2s ease-in-out infinite;
}

@keyframes vipGlow {
  0%, 100% { box-shadow: 0 4px 15px rgba(255, 160, 0, 0.3); }
  50% { box-shadow: 0 4px 25px rgba(255, 160, 0, 0.5); }
}

.vip-hero h1 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text-brown);
  margin-bottom: 12px;
  line-height: 1.4;
}

.vip-hero h1 .highlight {
  background: linear-gradient(135deg, #FFD700, #FF8C42, var(--primary-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vip-hero p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
  line-height: 2;
}

/* ===== 对比区 ===== */
.vip-comparison {
  padding: 30px 0 50px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.comparison-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}

.comparison-card:hover {
  transform: translateY(-4px);
}

.comparison-card.regular {
  background: var(--bg-white);
  border: 2px solid rgba(200, 200, 200, 0.3);
}

.comparison-card.premium {
  background: linear-gradient(135deg, #FFFDF5, #FFF8E1, #FFF0F5);
  border: 2px solid rgba(255, 184, 0, 0.3);
  box-shadow: 0 8px 30px rgba(255, 184, 0, 0.15);
  position: relative;
}

.comparison-card.premium::before {
  content: '👑 推荐';
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, #FFD700, #FFA000);
  color: white;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255, 160, 0, 0.3);
}

.comparison-card-header {
  padding: 24px 28px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.comparison-card-header .card-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.comparison-card-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-brown);
}

.comparison-card-header .price {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-top: 4px;
}

.comparison-card-header .price strong {
  color: var(--primary-pink);
  font-size: 1.1rem;
}

.comparison-card-body {
  padding: 20px 28px 28px;
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  font-size: 0.92rem;
  line-height: 1.6;
}

.comparison-item:last-child {
  border-bottom: none;
}

.comparison-item .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  margin-top: 2px;
}

.comparison-item .check.yes {
  background: #E8F5E9;
  color: #4CAF50;
}

.comparison-item .check.no {
  background: #FFF0F0;
  color: #E57373;
}

.comparison-item .check.gold {
  background: #FFF8E1;
  color: #FF8F00;
}

/* ===== 高级会员权益详情 ===== */
.vip-benefits {
  padding: 40px 0;
}

.vip-benefits .section-title h2 {
  font-size: 2rem;
}

.vip-benefits .section-title h2 .stars {
  font-size: 1.2rem;
}

.benefits-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-white);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid rgba(255, 107, 157, 0.06);
  transition: all var(--transition);
}

.benefit-item:hover {
  transform: translateX(4px);
  border-color: rgba(255, 107, 157, 0.15);
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.1);
}

.benefit-item .benefit-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary-yellow), var(--primary-yellow-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.78rem;
  font-weight: 800;
  margin-top: 2px;
}

.benefit-item .benefit-text {
  font-size: 0.9rem;
  color: var(--text-brown);
  line-height: 1.7;
}

/* ===== 赠送区 ===== */
.vip-bonus {
  padding: 30px 0;
}

.bonus-header {
  text-align: center;
  margin-bottom: 28px;
}

.bonus-header .bonus-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-pink), #FF4081);
  color: white;
  padding: 6px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
  margin-bottom: 8px;
}

.bonus-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-brown);
}

.bonus-list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.bonus-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: linear-gradient(135deg, #FFF0F5, #FFF8F0);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 107, 157, 0.1);
  box-shadow: 0 2px 8px rgba(255, 107, 157, 0.05);
  transition: all var(--transition);
}

.bonus-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.1);
}

.bonus-item .bonus-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  margin-top: 2px;
}

.bonus-item .bonus-text {
  font-size: 0.9rem;
  color: var(--text-brown);
  line-height: 1.7;
}

/* ===== 未来计划区 ===== */
.vip-future {
  padding: 30px 0;
}

.future-header {
  text-align: center;
  margin-bottom: 28px;
}

.future-header .future-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-blue), #26A69A);
  color: white;
  padding: 6px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
  margin-bottom: 8px;
}

.future-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-brown);
}

.future-list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.future-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-white);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(78, 205, 196, 0.3);
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  transition: all var(--transition);
}

.future-item:hover {
  transform: translateX(4px);
  border-color: rgba(78, 205, 196, 0.5);
  box-shadow: 0 4px 15px rgba(78, 205, 196, 0.08);
}

.future-item .future-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  margin-top: 2px;
}

.future-item .future-text {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== 情感共鸣区 ===== */
.vip-emotion {
  padding: 50px 0;
  text-align: center;
}

.emotion-card {
  max-width: 700px;
  margin: 0 auto;
  background: linear-gradient(135deg, #FFF8E1, #FFF0F5, #E0F7FA);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 10px 40px rgba(255, 107, 157, 0.1);
  position: relative;
  overflow: hidden;
}

.emotion-card::before {
  content: '💝';
  position: absolute;
  top: -10px;
  left: -10px;
  font-size: 4rem;
  opacity: 0.1;
}

.emotion-card::after {
  content: '🌟';
  position: absolute;
  bottom: -10px;
  right: -10px;
  font-size: 4rem;
  opacity: 0.1;
}

.emotion-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-brown);
  margin-bottom: 16px;
}

.emotion-card p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 2.2;
  margin-bottom: 12px;
}

.emotion-card .emotion-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-yellow), var(--primary-yellow-dark));
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 14px 40px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 25px rgba(255, 184, 0, 0.3);
  transition: all var(--transition);
  margin-top: 12px;
  text-decoration: none;
}

.emotion-card .emotion-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 35px rgba(255, 184, 0, 0.4);
}

.emotion-card .emotion-cta:active {
  transform: scale(0.97);
}

/* ===== 返回首页按钮 ===== */
.vip-back-section {
  text-align: center;
  padding: 20px 0 40px;
}

.vip-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-pink-dark));
  color: white;
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 32px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 107, 157, 0.3);
  transition: all var(--transition);
  text-decoration: none;
}

.vip-back-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 107, 157, 0.4);
}

/* ===== VIP 响应式 ===== */
@media (max-width: 768px) {
  .vip-hero h1 {
    font-size: 1.7rem;
  }

  .vip-hero p {
    font-size: 0.95rem;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .comparison-card.premium {
    order: -1;
  }

  .benefits-grid,
  .bonus-list,
  .future-list {
    grid-template-columns: 1fr;
  }

  .emotion-card {
    padding: 28px 20px;
  }

  .emotion-card h3 {
    font-size: 1.2rem;
  }
}