/* 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: #faf7f2;
  color: #3d3430;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 核心布局 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section:nth-child(even) {
  background: #fdf5ef;
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200, 180, 160, 0.25);
}
.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: 1.25rem;
  text-decoration: none;
  color: #3d3430;
  letter-spacing: -0.5px;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #e8734a, #d4603b);
  color: #fff;
  box-shadow: 0 3px 12px rgba(232, 115, 74, 0.3);
}
.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: #5c4f48;
  transition: color 0.25s;
  position: relative;
}
.main-nav a:hover {
  color: #e8734a;
}
.main-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #e8734a;
  border-radius: 1px;
  transition: width 0.3s ease;
}
.main-nav a:hover::after {
  width: 100%;
}
.nav-cta {
  padding: 9px 22px;
  border-radius: 24px;
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, #e8734a, #d4603b);
  box-shadow: 0 3px 14px rgba(232, 115, 74, 0.35);
  transition: all 0.3s !important;
}
.nav-cta:hover {
  box-shadow: 0 6px 20px rgba(232, 115, 74, 0.5);
  transform: translateY(-2px);
}
.nav-cta::after {
  display: none !important;
}
.menu-toggle {
  display: none;
}

/* 首页Hero */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #faf7f2 0%, #fdf5ef 40%, #fef8f3 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 115, 74, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 106, 110, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: rgba(232, 115, 74, 0.1);
  color: #d4603b;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 800;
  color: #2d2a26;
  letter-spacing: -1px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, #e8734a, #c8963e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 34px;
  color: #5c4f48;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(60, 40, 30, 0.12);
}
.hero-image img {
  width: 100%;
  height: auto;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 26px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #e8734a, #d4603b);
  box-shadow: 0 4px 16px rgba(232, 115, 74, 0.35);
}
.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(232, 115, 74, 0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 2px solid #d4c4b4;
  color: #3d3430;
}
.btn-outline:hover {
  border-color: #e8734a;
  color: #e8734a;
  background: rgba(232, 115, 74, 0.04);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
  color: #c8963e;
  text-transform: uppercase;
}
.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  font-weight: 800;
  color: #2d2a26;
  letter-spacing: -0.5px;
}
.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 42px;
  color: #5c4f48;
  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: 30px 26px;
  border: 1.5px solid rgba(200, 180, 160, 0.3);
  transition: all 0.35s ease;
  background: #fffdfa;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #e8734a, #c8963e);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.category-card:hover::before {
  transform: scaleX(1);
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(100, 70, 40, 0.1);
  border-color: rgba(232, 115, 74, 0.25);
}
.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(232, 115, 74, 0.12), rgba(200, 150, 62, 0.1));
  color: #e8734a;
}
.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #e8734a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}
.card-link:hover {
  gap: 12px;
}

/* 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 16px 40px rgba(80, 50, 30, 0.1);
}
.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: #4a3d35;
  font-size: 0.95rem;
}
.feature-list li::before {
  content: "✓";
  font-weight: 700;
  color: #2d6a6e;
  background: rgba(45, 106, 110, 0.1);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* 数据条 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item {
  padding: 28px 20px;
  border-radius: 16px;
  border: 1.5px solid rgba(200, 180, 160, 0.3);
  background: #fffdfa;
  transition: all 0.3s;
}
.stat-item:hover {
  box-shadow: 0 8px 24px rgba(100, 70, 40, 0.08);
  border-color: rgba(232, 115, 74, 0.2);
}
.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #e8734a, #c8963e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #5c4f48;
  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: 1.5px solid rgba(200, 180, 160, 0.3);
  transition: all 0.35s ease;
  background: #fffdfa;
}
.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(100, 70, 40, 0.1);
}
.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.content-wall-item:hover img {
  transform: scale(1.04);
}
.content-wall-body {
  padding: 20px;
}
.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2d2a26;
  margin-bottom: 6px;
}
.content-wall-body p {
  font-size: 0.88rem;
  color: #5c4f48;
  opacity: 0.7;
  line-height: 1.5;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1.5px solid rgba(200, 180, 160, 0.3);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fffdfa;
  transition: all 0.3s;
}
.faq-item:hover {
  border-color: rgba(232, 115, 74, 0.2);
}
.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  color: #3d3430;
  font-size: 0.98rem;
}
.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: #5c4f48;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  display: block;
}
.faq-item.open {
  border-color: rgba(232, 115, 74, 0.35);
  box-shadow: 0 4px 16px rgba(232, 115, 74, 0.06);
}

/* CTA横幅 */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(135deg, #2d6a6e 0%, #1e4f53 100%);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}
.cta-banner h2 {
  color: #fff;
  position: relative;
  z-index: 1;
}
.cta-banner p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.8);
}
.cta-banner .btn-primary {
  background: #fff;
  color: #2d6a6e;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover {
  background: #fdf5ef;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* 页脚 */
.site-footer {
  padding: 56px 0 28px;
  background: #f5f1eb;
  color: #3d3430;
}
.site-footer .container {
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand {
}
.footer-brand .logo {
  margin-bottom: 12px;
}
.footer-brand p {
  opacity: 0.6;
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-col h4 {
  font-weight: 700;
  margin-bottom: 14px;
  font-size: 0.95rem;
  color: #2d2a26;
}
.footer-col a {
  display: block;
  text-decoration: none;
  color: #5c4f48;
  font-size: 0.88rem;
  padding: 4px 0;
  opacity: 0.7;
  transition: all 0.2s;
}
.footer-col a:hover {
  opacity: 1;
  color: #e8734a;
}
.footer-bottom {
  border-top: 1px solid rgba(180, 160, 140, 0.3);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* 工具类 */
.text-accent {
  color: #e8734a;
}
.text-center {
  text-align: center;
}
.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  text-align: center;
  color: #5c4f48;
}
.mt-0 {
  margin-top: 0;
}
.mb-0 {
  margin-bottom: 0;
}

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero {
    min-height: 60vh;
    padding-top: 40px;
  }
  .section {
    padding: 50px 0;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .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 rgba(200, 180, 160, 0.4);
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #3d3430;
    border-radius: 1px;
    transition: 0.3s;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(250, 247, 242, 0.98);
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(200, 180, 160, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .main-nav.open .nav-cta {
    text-align: center;
    justify-content: center;
  }
}
@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .btn {
    justify-content: center;
  }
  .cta-banner {
    padding: 40px 16px;
  }
}