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

html {
  scroll-behavior: smooth;
}

body { 
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif; 
  overflow-x: hidden;
  background: #FFF9F2;
  color: #2D2D2D;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: #FF5E8A;
  color: #fff;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #FFF0EB;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #FF5E8A, #8B7CF6);
  border-radius: 8px;
}

/* 核心布局 */
.container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
  position: relative;
  z-index: 2;
}

.section { 
  padding: 96px 0; 
  position: relative;
}

.section:nth-child(even) { 
  background: linear-gradient(135deg, #FFF0EB 0%, #F5F0FF 50%, #F0FFFA 100%);
}

/* 装饰性背景圆点 */
.section::before {
  content: '';
  position: absolute;
  top: 40px;
  right: 60px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(255,94,138,0.08) 1px, transparent 1px);
  background-size: 8px 8px;
  opacity: 0.5;
  pointer-events: none;
}

/* ========== 导航 ========== */
.site-header { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  z-index: 1000; 
  background: rgba(255, 249, 242, 0.82); 
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255, 94, 138, 0.12);
  box-shadow: 0 4px 40px rgba(255, 94, 138, 0.05);
  transition: box-shadow 0.4s ease;
}

.site-header:hover {
  box-shadow: 0 4px 50px rgba(255, 94, 138, 0.1);
}

.header-inner { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  height: 72px; 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

.logo { 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  font-weight: 900; 
  font-size: 1.35rem; 
  text-decoration: none; 
  color: #2D2D2D;
  letter-spacing: -0.5px;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon { 
  width: 40px; 
  height: 40px; 
  border-radius: 14px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: 1.15rem;
  background: linear-gradient(135deg, #FF5E8A 0%, #FF8E53 50%, #8B7CF6 100%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(255, 94, 138, 0.35);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  top: -6px;
  right: -6px;
  width: 12px;
  height: 12px;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
}

.main-nav { 
  display: flex; 
  align-items: center; 
  gap: 32px; 
  list-style: none; 
}

.main-nav li {
  position: relative;
}

.main-nav a { 
  text-decoration: none; 
  font-size: 0.92rem; 
  font-weight: 500; 
  color: #4A4A4A;
  transition: color 0.3s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, #FF5E8A, #8B7CF6);
  border-radius: 4px;
  transition: width 0.35s cubic-bezier(0.65, 0.05, 0.36, 1);
}

.main-nav a:hover {
  color: #FF5E8A;
}

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

.nav-cta { 
  padding: 10px 26px; 
  border-radius: 50px; 
  background: linear-gradient(135deg, #FF5E8A, #FF8E53);
  color: #fff !important; 
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  box-shadow: 0 4px 18px rgba(255, 94, 138, 0.35);
  transition: all 0.3s ease !important;
}

.nav-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 28px rgba(255, 94, 138, 0.5);
  color: #fff !important;
}

.nav-cta::after {
  display: none;
}

.menu-toggle { 
  display: none; 
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: #2D2D2D;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ========== Hero ========== */
.hero { 
  min-height: 88vh; 
  display: flex; 
  align-items: center; 
  background: linear-gradient(135deg, #FFF9F2 0%, #FFE8EE 40%, #F0E8FF 80%, #E8FFF9 100%);
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

/* 浮动光斑 */
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(255, 94, 138, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: heroFloat 10s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(139, 124, 246, 0.14) 0%, transparent 70%);
  border-radius: 50%;
  animation: heroFloat 7s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes heroFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -30px) scale(1.08); }
}

/* 装饰小星星 */
.hero .hero-content::before {
  content: '✦  ✧  ✦';
  position: absolute;
  top: -40px;
  right: -20px;
  font-size: 1.2rem;
  color: rgba(255, 94, 138, 0.3);
  letter-spacing: 12px;
  animation: sparkle 3s ease-in-out infinite alternate;
}

@keyframes sparkle {
  0% { opacity: 0.4; transform: scale(0.9) rotate(0deg); }
  100% { opacity: 1; transform: scale(1.1) rotate(10deg); }
}

.hero-content { 
  max-width: 680px; 
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-eyebrow { 
  display: inline-block; 
  font-size: 0.82rem; 
  font-weight: 800; 
  padding: 6px 20px; 
  border-radius: 50px; 
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255, 94, 138, 0.08), rgba(139, 124, 246, 0.08));
  border: 1px solid rgba(255, 94, 138, 0.2);
  color: #FF5E8A;
  letter-spacing: 2px;
  backdrop-filter: blur(4px);
}

.hero h1 { 
  font-size: 3.4rem; 
  font-weight: 900; 
  line-height: 1.12; 
  margin-bottom: 18px;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, #2D2D2D 30%, #FF5E8A 70%, #8B7CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span.hero-highlight {
  position: relative;
  display: inline-block;
}

.hero p { 
  font-size: 1.12rem; 
  opacity: 0.68; 
  max-width: 540px; 
  margin-bottom: 36px;
  line-height: 1.85;
  letter-spacing: 0.2px;
}

.hero-buttons { 
  display: flex; 
  gap: 16px; 
  flex-wrap: wrap;
}

.hero-image { 
  border-radius: 28px; 
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(255, 94, 138, 0.18);
  transform: rotate(2deg) scale(0.98);
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  border: 4px solid rgba(255,255,255,0.6);
}

.hero-image:hover {
  transform: rotate(0deg) scale(1);
  box-shadow: 0 30px 80px rgba(139, 124, 246, 0.25);
}

.hero-image img { 
  width: 100%; 
  height: auto; 
  display: block;
  transition: transform 0.6s ease;
}

.hero-image:hover img {
  transform: scale(1.03);
}

/* ========== 按钮 ========== */
.btn { 
  display: inline-flex; 
  align-items: center; 
  gap: 8px; 
  padding: 14px 30px; 
  border-radius: 50px; 
  font-weight: 700; 
  font-size: 0.92rem;
  cursor: pointer; 
  border: none; 
  text-decoration: none; 
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  letter-spacing: 0.3px;
}

.btn-primary { 
  background: linear-gradient(135deg, #FF5E8A 0%, #FF8E53 100%);
  color: #fff; 
  box-shadow: 0 6px 22px rgba(255, 94, 138, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(255, 94, 138, 0.5);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-outline { 
  background: transparent; 
  border: 2px solid rgba(255, 94, 138, 0.5);
  color: #FF5E8A;
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 94, 138, 0.06);
  border-color: #FF5E8A;
  transform: translateY(-3px);
}

/* ========== 标签/标题 ========== */
.section-label { 
  display: inline-block; 
  font-size: 0.78rem; 
  font-weight: 800; 
  letter-spacing: 3px; 
  margin-bottom: 14px;
  text-transform: uppercase;
  color: #8B7CF6;
  background: linear-gradient(135deg, #F0E8FF, #FFF0EB);
  padding: 5px 16px;
  border-radius: 20px;
  border: 1px solid rgba(139, 124, 246, 0.15);
}

.section-title { 
  font-size: 2.5rem; 
  font-weight: 900;
  margin-bottom: 16px; 
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: #2D2D2D;
}

.section-title .text-accent {
  background: linear-gradient(135deg, #FF5E8A, #8B7CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc { 
  max-width: 620px; 
  opacity: 0.68; 
  margin-bottom: 48px; 
  line-height: 1.75;
  font-size: 0.95rem;
}

/* ========== 卡片网格 ========== */
.cards-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); 
  gap: 28px; 
}

.category-card { 
  border-radius: 22px; 
  padding: 34px 28px; 
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(255, 94, 138, 0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.03);
  transition: all 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #FF5E8A, #8B7CF6, #2EC4B6);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(255,94,138,0.06) 0%, transparent 70%);
  border-radius: 50%;
  transition: transform 0.5s ease;
}

.category-card:hover { 
  transform: translateY(-8px) scale(1.01); 
  box-shadow: 0 18px 50px rgba(255, 94, 138, 0.12);
  border-color: rgba(255, 94, 138, 0.15);
}

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

.category-card:hover::after {
  transform: scale(1.6);
}

.card-icon { 
  width: 56px; 
  height: 56px; 
  border-radius: 18px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  margin-bottom: 20px; 
  font-size: 1.5rem;
  background: linear-gradient(135deg, #FFF0EB, #F0E8FF);
  box-shadow: 0 4px 12px rgba(255, 94, 138, 0.08);
  transition: transform 0.35s ease;
}

.category-card:hover .card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #2D2D2D;
}

.category-card p {
  font-size: 0.85rem;
  color: rgba(0,0,0,0.55);
  line-height: 1.65;
  margin-bottom: 16px;
}

.card-link { 
  font-weight: 700; 
  font-size: 0.88rem; 
  text-decoration: none; 
  color: #FF5E8A;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s ease, color 0.3s ease;
}

.card-link:hover {
  gap: 10px;
  color: #8B7CF6;
}

/* ========== 特性块 ========== */
.feature-block { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 64px; 
  align-items: center; 
}

.feature-image { 
  border-radius: 24px; 
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(139, 124, 246, 0.15);
  position: relative;
  border: 4px solid rgba(255,255,255,0.5);
  transition: transform 0.5s ease;
}

.feature-image:hover {
  transform: scale(1.02);
}

.feature-image img { 
  width: 100%; 
  height: auto; 
  display: block;
}

.feature-text { 
  padding: 20px 0;
}

.feature-text .section-label {
  margin-bottom: 12px;
}

.feature-text .section-title {
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature-text > p {
  font-size: 0.95rem;
  opacity: 0.65;
  line-height: 1.75;
  margin-bottom: 20px;
}

.feature-list { 
  list-style: none; 
  margin-top: 24px;
}

.feature-list li { 
  padding: 8px 0; 
  display: flex; 
  align-items: center; 
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #3D3D3D;
  transition: transform 0.3s ease, padding-left 0.3s ease;
}

.feature-list li:hover {
  transform: translateX(4px);
  padding-left: 4px;
}

.feature-list li::before { 
  content: '✦'; 
  font-weight: 700;
  color: #FF5E8A;
  font-size: 1.1rem;
  text-shadow: 0 2px 8px rgba(255, 94, 138, 0.3);
}

/* ========== 数据条 ========== */
.stats-bar { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: 28px; 
  text-align: center; 
}

.stat-item { 
  padding: 36px 24px; 
  border-radius: 22px; 
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #FF5E8A, #8B7CF6, #2EC4B6);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255, 94, 138, 0.1);
}

.stat-item:hover::after {
  opacity: 1;
}

.stat-number { 
  font-size: 2.7rem; 
  font-weight: 900;
  background: linear-gradient(135deg, #FF5E8A, #8B7CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  display: inline-block;
}

.stat-label { 
  font-size: 0.88rem; 
  opacity: 0.55; 
  margin-top: 8px; 
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ========== 内容墙 ========== */
.content-wall { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: 28px; 
}

.content-wall-item { 
  border-radius: 22px; 
  overflow: hidden; 
  background: #fff;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}

.content-wall-item:hover { 
  transform: translateY(-8px) scale(1.01); 
  box-shadow: 0 18px 50px rgba(139, 124, 246, 0.14);
  border-color: rgba(139, 124, 246, 0.1);
}

.content-wall-item img { 
  width: 100%; 
  height: 220px; 
  object-fit: cover;
  transition: transform 0.6s ease;
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

.content-wall-body { 
  padding: 24px; 
  background: linear-gradient(180deg, #fff, rgba(255,249,242,0.5));
}

.content-wall-body h3 {
  font-size: 1.08rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: #2D2D2D;
}

.content-wall-body p {
  font-size: 0.84rem;
  opacity: 0.58;
  line-height: 1.6;
}

.content-wall-body .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  background: linear-gradient(135deg, #FFF0EB, #F0E8FF);
  color: #8B7CF6;
  margin-top: 10px;
  letter-spacing: 0.5px;
}

/* ========== FAQ ========== */
.faq-list { 
  max-width: 820px; 
  margin: 0 auto; 
}

.faq-item { 
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 18px; 
  margin-bottom: 14px; 
  overflow: hidden; 
  cursor: pointer;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
  transition: all 0.35s ease;
}

.faq-item:hover {
  border-color: rgba(255, 94, 138, 0.2);
  box-shadow: 0 6px 24px rgba(255, 94, 138, 0.08);
}

.faq-item .faq-question { 
  padding: 22px 28px; 
  font-weight: 700; 
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  font-size: 1rem;
  color: #2D2D2D;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  font-weight: 300;
  color: #FF5E8A;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.open .faq-question::after {
  transform: rotate(135deg);
}

.faq-item .faq-answer { 
  padding: 0 28px 22px; 
  display: none; 
  opacity: 0.68;
  line-height: 1.75;
  font-size: 0.92rem;
  border-top: 1px dashed rgba(0,0,0,0.06);
  padding-top: 14px;
  margin-top: -8px;
}

.faq-item.open .faq-answer { 
  display: block; 
  animation: faqSlide 0.35s ease;
}

@keyframes faqSlide {
  from { 
    opacity: 0; 
    transform: translateY(-8px); 
  }
  to { 
    opacity: 0.68; 
    transform: translateY(0); 
  }
}

/* ========== CTA横幅 ========== */
.cta-banner { 
  padding: 80px 48px; 
  text-align: center; 
  border-radius: 28px; 
  background: linear-gradient(135deg, #FF5E8A 0%, #FF8E53 30%, #8B7CF6 70%, #2EC4B6 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(255, 94, 138, 0.3);
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite alternate;
}

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

.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  animation: ctaBlob 6s ease-in-out infinite alternate;
}

.cta-banner::after {
  content: '✦';
  position: absolute;
  bottom: 20px;
  left: 30px;
  font-size: 3rem;
  color: rgba(255,255,255,0.2);
  animation: ctaBlob 8s ease-in-out infinite alternate-reverse;
}

@keyframes ctaBlob {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  100% { transform: translate(-20px, 15px) scale(1.1) rotate(10deg); }
}

.cta-banner h2 { 
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.cta-banner p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 30px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary { 
  background: #fff; 
  color: #FF5E8A;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

/* ========== 页脚 ========== */
.site-footer { 
  padding: 72px 0 32px; 
  background: linear-gradient(180deg, #FFF9F2, #FFF0EB);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,94,138,0.2), transparent);
}

.site-footer .container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px;
}

.footer-grid { 
  display: grid; 
  grid-template-columns: 2fr 1fr 1fr 1fr; 
  gap: 48px; 
  margin-bottom: 40px;
}

.footer-brand { 
  font-size: 0.88rem;
  line-height: 1.75;
  opacity: 0.65;
}

.footer-brand .logo {
  margin-bottom: 16px;
  font-size: 1.15rem;
}

.footer-brand p {
  max-width: 260px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #2D2D2D;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 6px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, #FF5E8A, #8B7CF6);
  border-radius: 4px;
}

.footer-col a {
  text-decoration: none;
  color: rgba(0,0,0,0.5);
  font-size: 0.88rem;
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-col a:hover {
  color: #FF5E8A;
  padding-left: 4px;
}

.footer-bottom { 
  border-top: 1px solid rgba(0,0,0,0.06); 
  padding-top: 24px; 
  text-align: center; 
  font-size: 0.82rem; 
  opacity: 0.5;
  letter-spacing: 0.3px;
}

/* ========== 工具类 ========== */
.text-accent { 
  color: #FF5E8A; 
}

.text-center { 
  text-align: center; 
}

.seo-description { 
  max-width: 620px; 
  margin: 0 auto 52px; 
  opacity: 0.65;
  line-height: 1.75;
  font-size: 0.95rem;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ========== 响应式 ========== */
@media (max-width: 968px) {
  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }
  
  .hero h1 {
    font-size: 2.6rem;
  }
  
  .feature-block {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  
  .feature-block { 
    grid-template-columns: 1fr; 
    gap: 40px; 
  }
  
  .stats-bar { 
    grid-template-columns: repeat(2, 1fr); 
    gap: 16px; 
  }
  
  .footer-grid { 
    grid-template-columns: 1fr 1fr; 
  }
  
  .main-nav { 
    display: none; 
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 249, 242, 0.98);
    padding: 24px;
    flex-direction: column;
    gap: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-top: 1px solid rgba(255, 94, 138, 0.1);
    backdrop-filter: blur(20px);
  }
  
  .main-nav.open { 
    display: flex; 
    flex-direction: column; 
    position: fixed; 
    top: 72px; 
    left: 0; 
    width: 100%; 
    background: rgba(255, 249, 242, 0.98); 
    padding: 24px; 
    z-index: 1000;
  }
  
  .main-nav li {
    text-align: center;
  }
  
  .main-nav a::after {
    display: none;
  }
  
  .menu-toggle { 
    display: flex; 
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .hero-buttons {
    flex-wrap: wrap;
  }
  
  .cta-banner {
    padding: 56px 24px;
  }
  
  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .cards-grid, 
  .content-wall { 
    grid-template-columns: 1fr; 
  }
  
  .stats-bar { 
    grid-template-columns: 1fr; 
  }
  
  .footer-grid { 
    grid-template-columns: 1fr; 
  }
  
  .hero-buttons { 
    flex-direction: column; 
    width: 100%;
  }
  
  .hero-buttons .btn {
    justify-content: center;
    width: 100%;
  }
  
  .hero h1 {
    font-size: 1.9rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .section-label {
    font-size: 0.72rem;
  }
  
  .stat-number {
    font-size: 2.2rem;
  }
  
  .cta-banner {
    padding: 48px 20px;
    border-radius: 20px;
  }
  
  .cta-banner h2 {
    font-size: 1.4rem;
  }
  
  .cta-banner .btn-primary {
    width: 100%;
    justify-content: center;
  }
  
  .feature-block {
    gap: 28px;
  }
  
  .feature-text .section-title {
    font-size: 1.6rem;
  }
}

/* ========== 动画增强 ========== */
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.03); opacity: 0.85; }
}

.logo-icon {
  animation: pulse 3s ease-in-out infinite;
}

/* 卡片加载订阅入场 */
.category-card:nth-child(1) { animation-delay: 0.05s; }
.category-card:nth-child(2) { animation-delay: 0.1s; }
.category-card:nth-child(3) { animation-delay: 0.15s; }
.category-card:nth-child(4) { animation-delay: 0.2s; }

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}