/* 基础重置 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #FAF6F1;
  color: #2E2620;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 核心布局 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section:nth-child(even) {
  background: #F4F1EB;
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 246, 241, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid #E8E2D8;
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(46, 38, 32, 0.06);
}
.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: 800;
  font-size: 1.2rem;
  text-decoration: none;
  color: #2E2620;
  letter-spacing: -0.02em;
  transition: opacity 0.2s;
}
.logo:hover {
  opacity: 0.8;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: linear-gradient(135deg, #D46B4E, #C45A3D);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(212, 107, 78, 0.25);
}
.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: #5C5046;
  transition: color 0.2s, transform 0.2s;
  position: relative;
}
.main-nav a:hover {
  color: #D46B4E;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #D46B4E;
  border-radius: 1px;
  transition: width 0.25s ease;
}
.main-nav a:hover::after {
  width: 100%;
}
.nav-cta {
  padding: 10px 22px;
  border-radius: 25px;
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, #D46B4E, #C45A3D);
  box-shadow: 0 3px 12px rgba(212, 107, 78, 0.3);
  transition: transform 0.2s, box-shadow 0.2s !important;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 107, 78, 0.4);
}
.nav-cta::after {
  display: none !important;
}
.menu-toggle {
  display: none;
}

/* 首页Hero */
.hero {
  min-height: 70vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 68px;
}
.hero-content {
  max-width: 720px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  background: #FBE8E3;
  color: #C45A3D;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #2E2620;
}
.hero h1 span {
  color: #D46B4E;
  position: relative;
  display: inline-block;
}
.hero h1 span::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(212, 107, 78, 0.18);
  border-radius: 4px;
  z-index: -1;
}
.hero p {
  font-size: 1.1rem;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 32px;
  color: #5C5046;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: 14px;
}
.hero-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(46, 38, 32, 0.1), 0 4px 16px rgba(212, 107, 78, 0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #FEF5F2, #FDF0EA);
}
.hero-image:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(46, 38, 32, 0.14), 0 8px 24px rgba(212, 107, 78, 0.12);
}
.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: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #D46B4E, #C45A3D);
  box-shadow: 0 4px 14px rgba(212, 107, 78, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 107, 78, 0.4);
  background: linear-gradient(135deg, #DD7B5F, #CF5E42);
}
.btn-outline {
  background: transparent;
  border: 2px solid #D46B4E;
  color: #D46B4E;
}
.btn-outline:hover {
  background: #D46B4E;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(212, 107, 78, 0.25);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: #6B7D5E;
  text-transform: uppercase;
}
.section-title {
  font-size: 2.2rem;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #2E2620;
  line-height: 1.25;
}
.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: #5C5046;
  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: 16px;
  padding: 32px 28px;
  border: 1px solid #E8E2D8;
  transition: all 0.3s ease;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #D46B4E, #E8926B, #D46B4E);
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 0 0 2px 2px;
}
.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(46, 38, 32, 0.1), 0 4px 12px rgba(212, 107, 78, 0.08);
  border-color: #DCC8B8;
}
.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: 1.3rem;
  background: #FEF5F2;
  color: #D46B4E;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.category-card:hover .card-icon {
  transform: scale(1.08);
  box-shadow: 0 4px 12px rgba(212, 107, 78, 0.2);
}
.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #D46B4E;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
  margin-top: 8px;
}
.card-link:hover {
  gap: 10px;
}

/* 特性块 */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(46, 38, 32, 0.1);
  transition: transform 0.4s ease;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #F4F1EB, #FEF9F5);
}
.feature-image:hover {
  transform: scale(1.02);
}
.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}
.feature-text {}
.feature-list {
  list-style: none;
}
.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #3D3530;
  font-weight: 500;
}
.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: #6B7D5E;
  font-size: 1.1rem;
  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: 16px;
  border: 1px solid #E8E2D8;
  background: #fff;
  transition: all 0.3s ease;
}
.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(46, 38, 32, 0.08);
  border-color: #DCC8B8;
}
.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: #D46B4E;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 8px;
  color: #5C5046;
  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: 16px;
  overflow: hidden;
  border: 1px solid #E8E2D8;
  transition: all 0.3s ease;
  background: #fff;
}
.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(46, 38, 32, 0.1);
  border-color: #DCC8B8;
}
.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.content-wall-item:hover img {
  transform: scale(1.04);
}
.content-wall-body {
  padding: 20px 22px;
}
.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2E2620;
  margin-bottom: 6px;
}
.content-wall-body p {
  font-size: 0.9rem;
  color: #5C5046;
  opacity: 0.75;
  line-height: 1.5;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid #E8E2D8;
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: all 0.25s ease;
}
.faq-item:hover {
  border-color: #DCC8B8;
  box-shadow: 0 2px 12px rgba(46, 38, 32, 0.04);
}
.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2E2620;
  font-size: 0.98rem;
  transition: color 0.2s;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: #D46B4E;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item.open .faq-question {
  color: #D46B4E;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: #5C5046;
  line-height: 1.7;
  font-size: 0.93rem;
}
.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlideDown 0.3s ease;
}
@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

/* CTA横幅 */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(135deg, #D46B4E 0%, #C45A3D 40%, #B84D33 100%);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.06) 0%, transparent 70%);
  transform: rotate(-20deg);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.04) 0%, transparent 70%);
  transform: rotate(15deg);
  pointer-events: none;
}
.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.cta-banner p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin-top: 10px;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary {
  background: #fff;
  color: #D46B4E;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  margin-top: 20px;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover {
  background: #fff;
  color: #B84D33;
  box-shadow: 0 10px 28px rgba(0,0,0,0.2);
  transform: translateY(-3px);
}

/* 页脚 */
.site-footer {
  padding: 56px 0 28px;
  background: #3D4537;
  color: #D8D3C8;
}
.site-footer .container {}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand {
  font-size: 0.93rem;
  line-height: 1.7;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
  font-size: 1.15rem;
}
.footer-brand p {
  opacity: 0.7;
  color: #D8D3C8;
}
.footer-col {}
.footer-col h4 {
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.footer-col a {
  display: block;
  color: rgba(216, 211, 200, 0.7);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 5px 0;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover {
  color: #E8926B;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(216, 211, 200, 0.5);
}

/* 工具类 */
.text-accent {
  color: #D46B4E;
}
.text-center {
  text-align: center;
}
.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5C5046;
  line-height: 1.7;
}
.mt-0 {
  margin-top: 0;
}
.mb-0 {
  margin-bottom: 0;
}

/* 响应式 */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 88px;
    padding-bottom: 40px;
    gap: 30px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .hero-image {
    aspect-ratio: 16/10;
    order: -1;
  }
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .feature-image {
    order: -1;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .section-title {
    font-size: 1.7rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1.5px solid #E8E2D8;
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #2E2620;
    border-radius: 1px;
    transition: all 0.3s ease;
  }
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: #FAF6F1;
    padding: 24px;
    border-bottom: 1px solid #E8E2D8;
    box-shadow: 0 12px 30px rgba(46, 38, 32, 0.08);
    gap: 16px;
  }
  .main-nav.open a {
    font-size: 1rem;
    padding: 8px 0;
  }
  .nav-cta {
    text-align: center;
    justify-content: center;
    border-radius: 25px;
  }
  .cta-banner h2 {
    font-size: 1.6rem;
  }
  .cards-grid,
  .content-wall {
    gap: 16px;
  }
}
@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .section {
    padding: 48px 0;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .stat-number {
    font-size: 2rem;
  }
  .btn {
    padding: 12px 22px;
    font-size: 0.9rem;
    justify-content: center;
  }
  .category-card {
    padding: 24px 20px;
  }
  .feature-block {
    gap: 24px;
  }
  .hero-image {
    aspect-ratio: 16/9;
  }
}