/* ============================================
   开云备用网址 - 云端备援，一触即达
   有机现代主义设计系统
   ============================================ */

:root {
  --cream: #faf7f2;
  --warm-white: #fdfbf7;
  --soft-warm: #f3efe9;
  --terracotta: #c67b5c;
  --terracotta-dark: #b06345;
  --terracotta-light: #e8b4a0;
  --moss: #4a6741;
  --moss-dark: #3a5333;
  --moss-light: #7a9a6e;
  --warm-brown: #3d322b;
  --warm-brown-light: #6b5d53;
  --warm-brown-lighter: #9b8d83;
  --sand: #e8d9c8;
  --sand-light: #f5ede4;
  --coral: #d4896a;
  --golden: #c49a6c;
  --card-shadow: 0 2px 20px rgba(61, 50, 43, 0.07);
  --card-shadow-hover: 0 8px 32px rgba(61, 50, 43, 0.12);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--warm-brown);
  line-height: 1.6;
  font-size: 16px;
}

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

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--warm-white);
}

.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  max-width: 800px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sand), transparent);
}

/* ============ 导航 ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 247, 242, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(200, 180, 160, 0.2);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 24px rgba(61, 50, 43, 0.06);
  background: rgba(250, 247, 242, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--warm-brown);
  letter-spacing: -0.3px;
  transition: var(--transition);
}

.logo:hover {
  color: var(--terracotta);
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: linear-gradient(135deg, var(--terracotta), var(--coral));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 3px 12px rgba(198, 123, 92, 0.3);
  transition: var(--transition);
}

.logo:hover .logo-icon {
  box-shadow: 0 5px 18px rgba(198, 123, 92, 0.4);
  transform: scale(1.04);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--warm-brown-light);
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--terracotta);
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav a:hover {
  color: var(--terracotta);
}

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

.nav-cta {
  padding: 9px 22px !important;
  border-radius: 25px !important;
  color: #fff !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, var(--terracotta), var(--coral));
  box-shadow: 0 3px 14px rgba(198, 123, 92, 0.28);
  transition: var(--transition) !important;
}

.nav-cta:hover {
  box-shadow: 0 6px 22px rgba(198, 123, 92, 0.4);
  transform: translateY(-1px);
  color: #fff !important;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px 4px;
  background: none;
  border: none;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--warm-brown);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============ Hero ============ */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 40px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -180px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 180, 160, 0.25) 0%, rgba(245, 237, 228, 0.1) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122, 154, 110, 0.18) 0%, rgba(232, 217, 200, 0.08) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: var(--sand-light);
  color: var(--terracotta);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 800;
  color: var(--warm-brown);
  letter-spacing: -0.5px;
}

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

.hero p {
  font-size: 1.12rem;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 34px;
  color: var(--warm-brown-light);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 50px rgba(61, 50, 43, 0.1);
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--sand-light), var(--warm-white));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200, 180, 160, 0.2);
}

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

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
  letter-spacing: 0.2px;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--moss), var(--moss-dark));
  box-shadow: 0 4px 16px rgba(74, 103, 65, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 7px 24px rgba(74, 103, 65, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1.8px solid var(--terracotta);
  color: var(--terracotta);
}

.btn-outline:hover {
  background: var(--terracotta);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(198, 123, 92, 0.25);
}

/* ============ 标签/标题 ============ */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: var(--moss);
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2px;
  background: var(--terracotta);
  border-radius: 2px;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  font-weight: 700;
  color: var(--warm-brown);
  letter-spacing: -0.3px;
  line-height: 1.25;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 44px;
  color: var(--warm-brown-light);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ============ 卡片网格 ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  border: 1px solid rgba(200, 180, 160, 0.25);
  transition: var(--transition);
  background: #fff;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--terracotta), var(--coral));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0 0 4px 0;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(198, 123, 92, 0.2);
}

.category-card:hover::before {
  transform: scaleX(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, var(--sand-light), var(--sand));
  color: var(--terracotta);
  transition: var(--transition);
}

.category-card:hover .card-icon {
  background: linear-gradient(135deg, var(--terracotta-light), var(--terracotta));
  color: #fff;
}

.category-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--warm-brown);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--warm-brown-lighter);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--terracotta);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

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

.card-link:hover {
  color: var(--terracotta-dark);
}

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

/* ============ 特性块 ============ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  aspect-ratio: 4/3;
  background: linear-gradient(150deg, var(--sand-light) 0%, #fefdfb 40%, var(--warm-white) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200, 180, 160, 0.15);
}

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

.feature-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--warm-brown);
  letter-spacing: -0.2px;
}

.feature-text p {
  color: var(--warm-brown-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--warm-brown-light);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✓';
  font-weight: 700;
  color: var(--moss);
  font-size: 0.85rem;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(74, 103, 65, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

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

.stat-item {
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(200, 180, 160, 0.2);
  background: #fff;
  transition: var(--transition);
  position: relative;
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}

.stat-item:nth-child(1) { border-top: 3px solid var(--terracotta); }
.stat-item:nth-child(2) { border-top: 3px solid var(--moss); }
.stat-item:nth-child(3) { border-top: 3px solid var(--coral); }
.stat-item:nth-child(4) { border-top: 3px solid var(--golden); }

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--warm-brown);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-number span {
  font-size: 1.6rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: var(--warm-brown-light);
  font-weight: 500;
}

/* ============ 内容墙 ============ */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(200, 180, 160, 0.2);
  transition: var(--transition);
  background: #fff;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.content-wall-body {
  padding: 22px 20px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--warm-brown);
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--warm-brown-lighter);
  line-height: 1.6;
}

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

.faq-item {
  border: 1px solid rgba(200, 180, 160, 0.25);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(198, 123, 92, 0.3);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--warm-brown);
  font-size: 1rem;
  gap: 16px;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--terracotta);
  transition: transform 0.35s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: var(--warm-brown-light);
  line-height: 1.7;
  font-size: 0.95rem;
}

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

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

/* ============ CTA横幅 ============ */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: var(--radius-xl);
  color: #fff;
  background: linear-gradient(145deg, var(--moss) 0%, #3d5a36 30%, var(--terracotta-dark) 80%, var(--terracotta) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--moss-dark);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
  font-weight: 700;
}

.cta-banner .btn-primary:hover {
  background: var(--warm-white);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

/* ============ 页脚 ============ */
.site-footer {
  padding: 56px 0 28px;
  background: #3d322b;
  color: rgba(255, 255, 255, 0.75);
}

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

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

.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
  font-size: 1.3rem;
}

.footer-brand .logo:hover {
  color: var(--terracotta-light);
}

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

.footer-col h4 {
  color: #fff;
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 3px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--terracotta-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.45;
  color: rgba(255, 255, 255, 0.7);
}

/* ============ 工具类 ============ */
.text-accent {
  color: var(--terracotta);
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: var(--warm-brown-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

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

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .hero h1 {
    font-size: 2.4rem;
  }
  
  .feature-block {
    gap: 36px;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  
  .section-title {
    font-size: 1.7rem;
  }
  
  .hero {
    min-height: auto;
    padding-top: 80px;
    padding-bottom: 40px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .hero-image {
    aspect-ratio: 16/10;
    max-width: 100%;
  }
  
  .feature-block {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .feature-image {
    order: -1;
    aspect-ratio: 16/10;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }
  
  .main-nav {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(250, 247, 242, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    border-bottom: 1px solid rgba(200, 180, 160, 0.2);
    box-shadow: 0 8px 30px rgba(61, 50, 43, 0.08);
    z-index: 999;
  }
  
  .main-nav.open {
    display: flex;
  }
  
  .main-nav a {
    font-size: 1rem;
    padding: 6px 0;
  }
  
  .nav-cta {
    align-self: stretch;
    text-align: center;
    justify-content: center;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
  
  .content-wall {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
  
  .cta-banner h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .header-inner {
    padding: 0 16px;
  }
  
  .hero {
    padding-top: 72px;
    padding-bottom: 28px;
  }
  
  .hero h1 {
    font-size: 1.7rem;
  }
  
  .hero p {
    font-size: 0.95rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  
  .section-title {
    font-size: 1.4rem;
  }
  
  .section-desc {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }
  
  .cards-grid,
  .content-wall {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  
  .stat-item {
    padding: 18px 14px;
  }
  
  .stat-number {
    font-size: 1.7rem;
  }
  
  .stat-label {
    font-size: 0.78rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .feature-block {
    gap: 20px;
  }
  
  .cta-banner {
    padding: 40px 16px;
    border-radius: var(--radius-lg);
  }
  
  .cta-banner h2 {
    font-size: 1.3rem;
  }
  
  .category-card {
    padding: 22px 18px;
  }
  
  .faq-item .faq-question {
    padding: 14px 16px;
    font-size: 0.9rem;
  }
  
  .faq-item .faq-answer {
    padding: 0 16px 14px;
    font-size: 0.85rem;
  }
  
  .seo-description {
    margin-bottom: 30px;
    font-size: 0.88rem;
  }
}

/* ============ 额外微交互 ============ */
@keyframes subtlePulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 0.85; }
}

.hero-image {
  animation: subtleFloat 6s ease-in-out infinite;
}

@keyframes subtleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 卡片聚焦效果 */
.category-card:focus-within,
.content-wall-item:focus-within {
  outline: 2px solid var(--terracotta-light);
  outline-offset: 3px;
}

/* 打印样式 */
@media print {
  .site-header,
  .cta-banner,
  .site-footer {
    position: static;
  }
  
  body {
    background: #fff;
    color: #000;
  }
  
  .section {
    padding: 20px 0;
    page-break-inside: avoid;
  }
}