* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}
body {
  background: #fef3c7;
  color: #78350f;
  line-height: 1.7;
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.site-nav {
  background: linear-gradient(135deg, #78350f, #d97706);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(120, 53, 15, 0.3);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.brand {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fef3c7;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand img {
  height: 36px;
  width: auto;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}
.nav-links a {
  color: #fef3c7;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  position: relative;
}
.nav-links a:hover {
  color: #fbbf24;
  background: rgba(255, 255, 255, 0.1);
}
.hero-section {
  background: linear-gradient(135deg, #78350f 0%, #b45309 40%, #d97706 100%);
  color: #fef3c7;
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: "🏜️";
  position: absolute;
  font-size: 8rem;
  opacity: 0.15;
  left: 5%;
  top: 20%;
  transform: rotate(-15deg);
}
.hero-section::after {
  content: "⚡";
  position: absolute;
  font-size: 5rem;
  opacity: 0.2;
  right: 10%;
  top: 30%;
  transform: rotate(15deg);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}
.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  color: #fef3c7;
}
.hero-sub {
  font-size: 1.1rem;
  color: #fed7aa;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero-btn {
  display: inline-block;
  background: #fef3c7;
  color: #78350f;
  font-weight: 700;
  padding: 0.9rem 2.5rem;
  border-radius: 50px;
  font-size: 1rem;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.hero-btn:hover {
  background: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.hero-img {
  margin-top: 3rem;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  border: 3px solid rgba(254, 243, 199, 0.3);
}
.hero-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
.geo-section {
  background: #fef3c7;
  padding: 4rem 0;
}
.geo-inner {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  border-left: 6px solid #d97706;
  border-radius: 12px;
  padding: 2.2rem 2.5rem;
  box-shadow: 0 4px 20px rgba(120, 53, 15, 0.08);
  max-width: 1200px;
  margin: 0 auto;
}
.geo-inner p {
  font-size: 1.05rem;
  color: #78350f;
  line-height: 2;
}
.stats-section {
  background: linear-gradient(135deg, #78350f, #92400e);
  color: #fef3c7;
  padding: 4rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.stat-card {
  text-align: center;
  padding: 2rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  border: 1px solid rgba(254, 243, 199, 0.2);
  transition: transform 0.3s;
}
.stat-card:hover {
  transform: translateY(-5px);
}
.stat-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fbbf24;
}
.stat-label {
  font-size: 0.9rem;
  color: #fed7aa;
  margin-top: 0.3rem;
}
.features-section {
  background: #fef3c7;
  padding: 4rem 0;
}
.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  color: #78350f;
  margin-bottom: 0.8rem;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #d97706, #78350f);
  margin: 0.8rem auto 0;
  border-radius: 4px;
}
.section-sub {
  text-align: center;
  color: #92400e;
  font-size: 1rem;
  max-width: 650px;
  margin: 0 auto 3rem;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.feature-card {
  background: linear-gradient(145deg, #fffdf5, #ffedd5);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid #e8c794;
  box-shadow: 0 4px 15px rgba(120, 53, 15, 0.08);
  transition: all 0.3s;
  text-align: center;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(120, 53, 15, 0.15);
}
.feature-icon {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  color: #78350f;
}
.feature-card p {
  font-size: 0.9rem;
  color: #92400e;
  line-height: 1.7;
}
.story-section {
  background: #fff7ed;
  padding: 4rem 0;
}
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  align-items: center;
}
.story-img {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(120, 53, 15, 0.2);
}
.story-img img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}
.story-text h2 {
  font-size: 2rem;
  color: #78350f;
  margin-bottom: 1.2rem;
}
.story-text p {
  color: #92400e;
  line-height: 1.9;
  margin-bottom: 1rem;
}
.timeline-section {
  background: #fef3c7;
  padding: 4rem 0;
}
.timeline-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}
.timeline-wrap::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #d97706, #78350f);
  border-radius: 4px;
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  justify-content: flex-start;
  padding: 1.5rem 0;
  position: relative;
  width: 50%;
}
.timeline-item:nth-child(even) {
  margin-left: 50%;
  justify-content: flex-start;
  padding-left: 2rem;
}
.timeline-item:nth-child(odd) {
  justify-content: flex-end;
  padding-right: 2rem;
  text-align: right;
}
.timeline-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  background: #d97706;
  border-radius: 50%;
  top: 28px;
  border: 3px solid #fef3c7;
  box-shadow: 0 0 0 3px #d97706;
}
.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}
.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}
.timeline-content {
  background: #fffdf5;
  border-radius: 12px;
  padding: 1.2rem 1.5rem;
  border: 1px solid #e8c794;
  box-shadow: 0 4px 15px rgba(120, 53, 15, 0.08);
}
.timeline-content h4 {
  color: #78350f;
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}
.timeline-content p {
  color: #92400e;
  font-size: 0.9rem;
}
.partners-section {
  background: linear-gradient(135deg, #fef3c7, #ffedd5);
  padding: 4rem 0;
}
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.partner-card {
  background: #fffdf5;
  border-radius: 12px;
  padding: 1.8rem;
  text-align: center;
  border: 1px solid #e8c794;
  box-shadow: 0 3px 12px rgba(120, 53, 15, 0.06);
  transition: transform 0.3s;
}
.partner-card:hover {
  transform: scale(1.02);
}
.partner-card .emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.8rem;
}
.partner-card h4 {
  color: #78350f;
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}
.partner-card p {
  color: #92400e;
  font-size: 0.85rem;
}
.news-section {
  background: #fff7ed;
  padding: 4rem 0;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.news-card {
  background: #fffdf5;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #e8c794;
  box-shadow: 0 4px 18px rgba(120, 53, 15, 0.08);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(120, 53, 15, 0.15);
}
.news-img {
  height: 180px;
  overflow: hidden;
}
.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.news-card:hover .news-img img {
  transform: scale(1.05);
}
.news-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-date {
  font-size: 0.8rem;
  color: #b45309;
  background: #fef3c7;
  display: inline-block;
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  margin-bottom: 0.8rem;
  align-self: flex-start;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.news-body h3 {
  font-size: 1.05rem;
  color: #78350f;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}
.news-body p {
  font-size: 0.88rem;
  color: #92400e;
  line-height: 1.7;
  flex: 1;
}
.faq-section {
  background: #fef3c7;
  padding: 4rem 0;
}
.faq-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.faq-item {
  background: #fffdf5;
  border-radius: 14px;
  margin-bottom: 1.2rem;
  padding: 1.8rem 2rem;
  border: 1px solid #e8c794;
  box-shadow: 0 3px 12px rgba(120, 53, 15, 0.06);
  transition: box-shadow 0.3s;
}
.faq-item:hover {
  box-shadow: 0 6px 20px rgba(120, 53, 15, 0.12);
}
.faq-item h3 {
  font-size: 1.1rem;
  color: #78350f;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.faq-item p {
  color: #92400e;
  line-height: 1.8;
  font-size: 0.95rem;
}
.footer {
  background: #78350f;
  color: #fef3c7;
  padding: 3rem 0 2rem;
  margin-top: 0;
}
.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand img {
  height: 30px;
  width: auto;
}
.footer-col p {
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: #fed7aa;
}
.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: #fbbf24;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a {
  color: #fed7aa;
  font-size: 0.9rem;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: #fbbf24;
}
.footer-bottom {
  border-top: 1px solid rgba(254, 243, 199, 0.3);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #fed7aa;
}
.footer-bottom a {
  color: #fbbf24;
  margin: 0 0.5rem;
}
.footer-bottom .copyright {
  margin-top: 0.8rem;
  font-size: 0.9rem;
}
@media (max-width: 768px) {
  .nav-links {
    gap: 0.8rem;
    flex-wrap: wrap;
  }
  .brand {
    font-size: 1.2rem;
  }
  .hero-content h1 {
    font-size: 1.8rem;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid,
  .news-grid,
  .partners-grid {
    grid-template-columns: 1fr;
  }
  .story-grid {
    grid-template-columns: 1fr;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding-left: 2rem;
    justify-content: flex-start;
    text-align: left;
  }
  .timeline-item:nth-child(odd) {
    padding-right: 0;
    text-align: left;
    padding-left: 2rem;
    justify-content: flex-start;
  }
  .timeline-item:nth-child(odd) .timeline-dot {
    left: -8px;
    right: auto;
  }
  .timeline-wrap::before {
    left: 0;
    transform: none;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
}