/* ============================================================
   3318彩集团 - 绘梦空间 · 水彩梦境设计系统
   视觉语言：轻盈梦幻 · 彩色流体 · 毛玻璃 · 水彩晕染
   ============================================================ */

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  background: #FFF9F2;
  color: #3D2C4A;
  line-height: 1.6;
  /* 水彩纸纹理背景 */
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(255, 138, 158, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(196, 161, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(126, 200, 255, 0.06) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 100px, rgba(255, 138, 158, 0.02) 100px, rgba(255, 138, 158, 0.02) 101px);
}

/* 核心布局 — 必须居中 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(135deg, #FFF5F0 0%, #F8F0FF 100%);
}

/* 装饰性水彩斑点（伪元素） */
.section::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 138, 158, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -30px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(196, 161, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 导航 — 固定顶部 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 242, 0.82);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 138, 158, 0.15);
  transition: box-shadow 0.3s;
}

.site-header:hover {
  box-shadow: 0 4px 30px rgba(255, 138, 158, 0.06);
}

.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: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: #3D2C4A;
  letter-spacing: 1px;
  position: relative;
}

.logo::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #FF8A9E, #C4A1FF, #7EC8FF);
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}

.logo:hover::after {
  opacity: 1;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #FF8A9E, #C4A1FF);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 138, 158, 0.25);
  transition: transform 0.3s, box-shadow 0.3s;
}

.logo:hover .logo-icon {
  transform: scale(1.05) rotate(-2deg);
  box-shadow: 0 6px 20px rgba(255, 138, 158, 0.35);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #5A4A6A;
  transition: color 0.3s, transform 0.2s;
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.3px;
}

.main-nav a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #FF8A9E, #C4A1FF);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: #FF6B8A;
  transform: translateY(-1px);
}

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

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, #FF8A9E, #C4A1FF);
  box-shadow: 0 4px 16px rgba(255, 138, 158, 0.3);
  transition: transform 0.3s, box-shadow 0.3s !important;
  border: none;
}

.nav-cta::before {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 28px rgba(255, 138, 158, 0.4) !important;
  color: #fff !important;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: linear-gradient(135deg, rgba(255, 138, 158, 0.1), rgba(196, 161, 255, 0.1));
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #FF6B8A;
  transition: background 0.3s;
}

.menu-toggle:hover {
  background: linear-gradient(135deg, rgba(255, 138, 158, 0.2), rgba(196, 161, 255, 0.2));
}

/* 首页Hero */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 72px;
  overflow: hidden;
  /* 水彩背景晕染 */
  background:
    radial-gradient(ellipse at 15% 50%, rgba(255, 138, 158, 0.10) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 30%, rgba(196, 161, 255, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(126, 200, 255, 0.08) 0%, transparent 50%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 138, 158, 0.10) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatBlob 12s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(196, 161, 255, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatBlob 10s ease-in-out infinite alternate-reverse;
}

@keyframes floatBlob {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -30px) scale(1.1); }
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255, 138, 158, 0.12), rgba(196, 161, 255, 0.12));
  color: #FF6B8A;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 138, 158, 0.15);
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #3D2C4A 0%, #FF6B8A 40%, #C4A1FF 70%, #7EC8FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  position: relative;
}

.hero h1::after {
  content: '✦';
  position: absolute;
  right: -40px;
  top: 10px;
  font-size: 1.6rem;
  -webkit-text-fill-color: initial;
  color: rgba(196, 161, 255, 0.3);
  animation: sparkle 3s ease-in-out infinite;
}

@keyframes sparkle {
  0%, 100% { opacity: 0.3; transform: scale(1) rotate(0deg); }
  50% { opacity: 1; transform: scale(1.2) rotate(20deg); }
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 36px;
  color: #5A4A6A;
  font-weight: 400;
  line-height: 1.7;
}

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

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 138, 158, 0.12), 0 8px 24px rgba(196, 161, 255, 0.08);
  position: relative;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 2px;
  background: linear-gradient(135deg, rgba(255, 138, 158, 0.2), rgba(196, 161, 255, 0.2), rgba(126, 200, 255, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.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: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  font-family: inherit;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #FF8A9E, #C4A1FF);
  box-shadow: 0 6px 24px rgba(255, 138, 158, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(255, 138, 158, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(196, 161, 255, 0.4);
  color: #5A4A6A;
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  border-color: #C4A1FF;
  background: rgba(196, 161, 255, 0.06);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(196, 161, 255, 0.12);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: #C4A1FF;
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, #FF8A9E, #C4A1FF);
  border-radius: 2px;
  transform: translateY(-50%);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  font-weight: 800;
  color: #3D2C4A;
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 48px;
  color: #5A4A6A;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* 卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 138, 158, 0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #FF8A9E, #C4A1FF, #7EC8FF);
  opacity: 0;
  transition: opacity 0.4s;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(255, 138, 158, 0.10), 0 6px 20px rgba(196, 161, 255, 0.08);
  border-color: rgba(255, 138, 158, 0.2);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(255, 138, 158, 0.12), rgba(196, 161, 255, 0.12));
  color: #FF6B8A;
  transition: transform 0.3s, background 0.3s;
}

.category-card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
  background: linear-gradient(135deg, rgba(255, 138, 158, 0.18), rgba(196, 161, 255, 0.18));
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #FF6B8A;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
  margin-top: 12px;
}

.card-link::after {
  content: '→';
  transition: transform 0.3s;
}

.card-link:hover {
  gap: 12px;
}

.card-link:hover::after {
  transform: translateX(4px);
}

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

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(196, 161, 255, 0.08);
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  pointer-events: none;
}

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

.feature-image:hover img {
  transform: scale(1.04);
}

.feature-text {
  position: relative;
}

.feature-text .section-title {
  margin-top: 8px;
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: #4A3A5A;
  border-bottom: 1px solid rgba(196, 161, 255, 0.06);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #FF8A9E;
  font-size: 0.8rem;
}

/* 数据条 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(196, 161, 255, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #FF8A9E, #C4A1FF);
  opacity: 0;
  transition: opacity 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(196, 161, 255, 0.08);
}

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

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FF8A9E, #C4A1FF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #5A4A6A;
  font-weight: 500;
}

/* 内容墙 */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 138, 158, 0.06);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(255, 138, 158, 0.08), 0 6px 20px rgba(196, 161, 255, 0.06);
}

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

.content-wall-item:hover img {
  transform: scale(1.05);
}

.content-wall-body {
  padding: 24px;
}

.content-wall-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #3D2C4A;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  color: #5A4A6A;
  line-height: 1.6;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(196, 161, 255, 0.1);
  border-radius: 16px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(4px);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
  border-color: rgba(255, 138, 158, 0.2);
  box-shadow: 0 4px 16px rgba(196, 161, 255, 0.04);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #3D2C4A;
  font-size: 1rem;
  letter-spacing: 0.2px;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: #C4A1FF;
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: #FF8A9E;
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.7;
  color: #5A4A6A;
  line-height: 1.7;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 0.7; transform: translateY(0); }
}

/* CTA横幅 */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 24px;
  background: linear-gradient(135deg, #FF8A9E, #C4A1FF, #7EC8FF);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 138, 158, 0.20);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(255,255,255,0.06) 0%, transparent 50%);
  pointer-events: none;
  animation: shimmer 8s ease-in-out infinite alternate;
}

@keyframes shimmer {
  0% { transform: translate(-10%, -10%) rotate(0deg); }
  100% { transform: translate(10%, 10%) rotate(3deg); }
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #FF6B8A;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(0,0,0,0.12);
}

/* 页脚 */
.site-footer {
  padding: 64px 0 28px;
  background: linear-gradient(135deg, #FFF5F0, #F8F0FF);
  position: relative;
  border-top: 1px solid rgba(255, 138, 158, 0.06);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 138, 158, 0.15), rgba(196, 161, 255, 0.15), transparent);
}

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

.footer-brand {
  color: #3D2C4A;
}

.footer-brand .logo {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.footer-brand p {
  opacity: 0.6;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #3D2C4A;
  letter-spacing: 0.5px;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, #FF8A9E, #C4A1FF);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  text-decoration: none;
  color: #5A4A6A;
  font-size: 0.88rem;
  opacity: 0.7;
  transition: opacity 0.3s, padding-left 0.3s;
}

.footer-col ul li a:hover {
  opacity: 1;
  padding-left: 4px;
  color: #FF6B8A;
}

.footer-bottom {
  border-top: 1px solid rgba(196, 161, 255, 0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: #5A4A6A;
  opacity: 0.6;
  letter-spacing: 0.3px;
}

/* 工具类 */
.text-accent {
  color: #FF6B8A;
  font-weight: 600;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5A4A6A;
  font-size: 1.05rem;
  line-height: 1.7;
}

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

/* 辅助装饰类 - 水彩点缀 */
.watercolor-dot {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.3;
  filter: blur(40px);
}

/* ============================================================
   响应式设计
   ============================================================ */

@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.6rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero h1::after {
    display: none;
  }

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

  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-block .feature-image {
    order: -1;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
  }

  .content-wall {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 249, 242, 0.98);
    backdrop-filter: blur(20px);
    padding: 28px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 138, 158, 0.08);
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
  }

  .main-nav.open a {
    padding: 10px 0;
    font-size: 1rem;
  }

  .main-nav.open .nav-cta {
    margin-top: 8px;
    text-align: center;
    padding: 12px 24px;
  }

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

  .cta-banner {
    padding: 48px 24px;
    border-radius: 16px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }

  .faq-item .faq-question {
    font-size: 0.95rem;
    padding: 16px 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .section {
    padding: 56px 0;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    gap: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .category-card {
    padding: 24px 20px;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .content-wall-item img {
    height: 180px;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .cta-banner h2 {
    font-size: 1.3rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
}

/* ============================================================
   打印优化
   ============================================================ */
@media print {
  .site-header {
    position: static;
    background: #fff;
    border-bottom: 1px solid #eee;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }

  .btn,
  .nav-cta,
  .menu-toggle {
    display: none;
  }

  .section::before,
  .section::after,
  .hero::before,
  .hero::after {
    display: none;
  }
}