body {
  margin: 0;
  font-family: "Helvetica Neue", sans-serif;
  background: #f5f8fc;
  color: #333;
}

.nav {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #eee;
}

.nav a {
  margin-left: 20px;
  color: #333;
  text-decoration: none;
  font-size: 15px;
}

.hero {
  position: relative;
  background-image: url('../assets/img/header-bg.jpg');
  background-size: cover;
  background-position: center;
  padding: 60px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  overflow: hidden;
}
.hero-section {
  background-image: url('assets/img/clear-glass-header.jpg');
  background-size: cover;
  background-position: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}
.news-card {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  padding: 30px 24px;
  max-width: 900px;
  margin: 20px auto;
  font-family: "Helvetica Neue", sans-serif;
}
.news-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.more-link {
  font-size: 14px;
  color: #1065f5;
  text-decoration: none;
}

.more-link:hover {
  text-decoration: underline;
}

.news-card h3 {
  font-size: 22px;
  color: #222;
  margin-bottom: 16px;
}

.news-description {
  font-size: 16px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 20px;
}

.news-meta {
  font-size: 14px;
  color: #999;
}
.floating-buttons {
  position: fixed;
  right: 20px;
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.float-btn {
  display: inline-block;
  background: linear-gradient(120deg, #0f62fe, #5c6ac4);
  color: #fff;
  text-align: center;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.float-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.features-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 60px 20px;
  background: #f9f9f9;
}
.achievement-cards {
  text-align: center;
  padding: 60px 20px;
  background-color: #fff;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.signal-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  font-size: 16px;
  color: #222;
}

.signal-brand img {
  height: 28px;
  width: 28px;
  object-fit: contain;
}

.footer {
  background-color: #f9f9f9;
  padding: 40px 20px;
  font-family: "Helvetica Neue", sans-serif;
  font-size: 14px;
  color: #333;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-column {
  flex: 1 1 150px;
  margin: 10px;
}

.footer-logo {
  height: 40px;
}

.footer-title {
  margin: 10px 0 5px;
  font-size: 16px;
  color: #222;
  font-weight: bold;
}

.footer-subtitle {
  color: #777;
  font-size: 14px;
}

.footer-column h4 {
  font-weight: bold;
  margin-bottom: 10px;
  font-size: 15px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin: 6px 0;
}

.footer-column ul li a {
  text-decoration: none;
  color: #333;
  transition: color 0.2s ease;
}

.footer-column ul li a:hover {
  color: #1065f5;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  font-size: 13px;
  color: #888;
}

.achievement-cards h2 {
  font-size: 38px;
  color: #1a1a1a;
  margin-bottom: 40px;
  font-weight: 700;
}

.card-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

.card {
  background-color: #f9fafe;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  padding: 40px 30px;
  width: 220px;
  text-align: center;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card strong {
  display: block;
  font-size: 32px;
  color: #1065f5; /* 亮蓝色字体 */
  font-weight: bold;
  margin-bottom: 10px;
}

.card p {
  font-size: 18px;
  color: #333;
  margin: 0;
}

.feature-box {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  padding: 30px 20px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-box img {
  width: 100%;
  max-width: 180px;
  margin-bottom: 20px;
  border-radius: 10px;
}

.feature-box h3 {
  font-size: 20px;
  color: #111;
  margin-bottom: 12px;
}

.feature-box p {
  font-size: 15px;
  color: #555;
  line-height: 1.6;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1;
}

.hero-text,
.hero img {
  position: relative;
  z-index: 2;
}

.hero-text {
  max-width: 500px;
  padding: 20px;
  color: #FFFFFF;
}

.hero h1 {
  font-size: 50px;
  margin-bottom: 40px;
}

.hero p {
  font-size: 17px;
  line-height: 1.6;
}

.hero img {
  width: 300px;
  max-width: 90%;
  margin-left: 20px;
  border-radius: 10px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  background: #3578e5;
  color: white;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}

.btn:hover {
  background: #245ad4;
}

.section {
  padding: 60px 20px;
  text-align: center;
}

.section h2 {
  font-size: 28px;
  margin-bottom: 20px;
}

.section p {
  font-size: 16px;
  max-width: 700px;
  margin: auto;
  line-height: 1.7;
}

.footer {
  background: #f2f2f2;
  padding: 30px 20px;
  text-align: center;
  font-size: 14px;
  color: #777;
}


/* 美化按钮动画 */
.btn {
  box-shadow: 0 4px 14px rgba(53, 120, 229, 0.3);
  transition: all 0.3s ease;
  transform: translateY(0);
}

.btn:hover {
  background: #1e4ed8;
  box-shadow: 0 6px 20px rgba(36, 90, 212, 0.4);
  transform: translateY(-2px);
}

/* 响应式支持 */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 10px;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 40px 20px;
  }

  .hero-text {
    padding: 10px;
  }

  .hero img {
    margin: 30px auto 0;
  }

  .section {
    padding: 40px 15px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero p {
    font-size: 15px;
  }

  .btn {
    font-size: 14px;
    padding: 10px 20px;
  }
}