/* 基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

a{
  text-decoration: none !important;
}

/* 导航栏 */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  border-radius: 20px;
  width: 37px;
}

.logo h1 {
  font-family: consolas;
  color: #333;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #ff6700;
}

/* 英雄区域 */
.hero {
  position: relative;
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  overflow: hidden;
  margin-top: 70px;
  background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
}

.hero-content h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn-primary,
.btn-secondary {
  padding: 0.8rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
}

.btn-primary {
  background-color: #ff6700;
  color: white;
}

.btn-primary:hover {
  background-color: #e55a00;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 1px solid white;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* 内容区域 */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.section-title p {
  color: #666;
}

.features {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* 标签页样式 */
.tabs-container {
  background: white;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.tabs-header {
  display: flex;
  background: #f5f5f5;
  border-bottom: 1px solid #eee;
  overflow-x: auto;
}

.tab-btn {
  padding: 1rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: #666;
  transition: all 0.3s;
  white-space: nowrap;
}

.tab-btn:hover {
  background: rgba(255, 103, 0, 0.1);
  color: #ff6700;
}

.tab-btn.active {
  background: white;
  color: #ff6700;
  border-bottom: 2px solid #ff6700;
}

.tab-content {
  display: none;
  padding: 2rem;
}

.tab-content.active {
  display: block;
}

.tab-content h3 {
  margin-bottom: 1rem;
  color: #333;
  font-size: 1.5rem;
}

.tab-content p,
.tab-content li {
  margin-bottom: 1rem;
  color: #555;
}

.tab-content ul {
  padding-left: 1.5rem;
}

.table-container {
  overflow-x: auto;
  margin: 2rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.8rem;
  border: 1px solid #ddd;
  text-align: left;
}

th {
  background-color: #f5f5f5;
  font-weight: 600;
}

tr:nth-child(even) {
  background-color: #f9f9f9;
}

/* CTA区域 */
.cta {
  position: relative;
  padding: 5rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, #1a2a6c, #b21f1f);
  color: white;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 页脚 */
footer {
  background-color: #333;
  color: #fff;
  padding: 3rem 2rem 1rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}

.footer-logo img {
  border-radius: 20px;
  width: 33px;
}

.footer-logo h3 {
  font-family: consolas;
}

.footer-links h4 {
  margin-bottom: 1rem;
  color: #ff6700;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #ddd;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #ff6700;
}

.footer-bottom {
  margin-top: 3rem;
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid #555;
}

.footer-bottom a {
  color: #ff6700;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    padding: 1rem;
  }

  .nav-links {
    margin-top: 1rem;
    gap: 1rem;
  }

  .hero-content h2 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .tabs-header {
    flex-wrap: wrap;
  }

  .tab-btn {
    flex: 1 0 auto;
    text-align: center;
  }
}