/* reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  background-color: #f5f0e6;
  color: #4a3f35;
  line-height: 1.8;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* header */
header {
  background-color: #5c4033;
  color: #f5f0e6;
  padding: 40px 0 30px;
  text-align: center;
}

header h1 {
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

header .subtitle {
  font-size: 1rem;
  color: #d4c4a8;
  letter-spacing: 0.15em;
}

/* nav */
nav {
  background-color: #6b4c37;
  padding: 15px 0;
}

.nav-list {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.nav-list a {
  color: #f5f0e6;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  padding: 5px 15px;
  border-radius: 3px;
  transition: background-color 0.3s;
}

.nav-list a:hover {
  background-color: #5c4033;
}

/* main */
main {
  padding: 50px 0;
}

.section {
  margin-bottom: 60px;
}

h2 {
  font-size: 1.5rem;
  color: #5c4033;
  border-bottom: 2px solid #c4a77d;
  padding-bottom: 12px;
  margin-bottom: 25px;
  letter-spacing: 0.08em;
}

h3 {
  font-size: 1.1rem;
  color: #6b4c37;
  margin-bottom: 8px;
}

/* intro */
.text p {
  margin-bottom: 15px;
  text-indent: 2em;
}

.highlight-box {
  background-color: #e8dcc8;
  border-left: 4px solid #5c4033;
  padding: 20px 25px;
  margin-top: 25px;
  font-size: 1.05rem;
  color: #5c4033;
}

/* features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.feature {
  background-color: #e8dcc8;
  padding: 25px;
  border-radius: 4px;
}

.feature p {
  color: #6b4c37;
  font-size: 0.95rem;
}

/* specs */
.price-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #fff;
}

.price-table th,
.price-table td {
  border: 1px solid #c4a77d;
  padding: 15px;
  text-align: left;
}

.price-table th {
  background-color: #5c4033;
  color: #f5f0e6;
  font-weight: 500;
}

.price-table tr:nth-child(even) {
  background-color: #f5f0e6;
}

.price-table td:last-child {
  color: #8b4513;
  font-weight: 600;
}

.note {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #7a6a5a;
}

/* contact */
.contact-box {
  background-color: #e8dcc8;
  padding: 30px;
  border-radius: 4px;
}

.contact-box p {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.contact-box p:last-child {
  margin-bottom: 0;
}

/* footer */
footer {
  background-color: #5c4033;
  color: #d4c4a8;
  text-align: center;
  padding: 30px 0;
}

footer p:first-child {
  font-size: 1rem;
  letter-spacing: 0.1em;
}

footer .copyright {
  font-size: 0.85rem;
  margin-top: 10px;
}

/* responsive */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.6rem;
  }

  .nav-list {
    gap: 15px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .price-table {
    font-size: 0.9rem;
  }

  .price-table th,
  .price-table td {
    padding: 10px;
  }
}

@media (max-width: 480px) {
  header {
    padding: 30px 0 20px;
  }

  header h1 {
    font-size: 1.4rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .contact-box {
    padding: 20px;
  }
}