* {
  box-sizing: border-box
}
body {
  margin: 0;
  font-family: Arial, "Noto Sans TC", sans-serif;
  background: #07111f;
  color: #fff;
  line-height: 1.7
}
a {
  color: inherit;
  text-decoration: none
}
.container {
  width: min(1180px, 92%);
  margin: auto
}
.header {
  background: rgba(7, 17, 31, .95);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  position: sticky;
  top: 0;
  z-index: 10
}
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between
}
.logo {
  font-size: 24px;
  font-weight: 700;
  color: #f6c453
}
.nav-menu {
  display: flex;
  gap: 24px;
  align-items: center
}
.nav a {
  font-size: 15px
}
.menu-btn {
  display: none;
  background: none;
  border: 0;
  color: #fff;
  font-size: 28px
}
.btn, .btn-small, .btn-outline {
  display: inline-block;
  border-radius: 999px;
  font-weight: 700
}
.btn {
  background: linear-gradient(135deg, #f6c453, #d99b24);
  color: #111;
  padding: 14px 28px
}
.btn-small {
  background: #f6c453;
  color: #111;
  padding: 8px 18px
}
.btn-outline {
  border: 1px solid #f6c453;
  color: #f6c453;
  padding: 13px 28px
}
.hero {
  padding: 100px 0;
  background: radial-gradient(circle at top right, rgba(246, 196, 83, .2), transparent 35%), linear-gradient(135deg, #07111f 0%, #10284a 100%)
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 48px;
  align-items: center
}
.tag {
  color: #f6c453;
  font-weight: 700
}
h1 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.2;
  margin: 16px 0
}
h2 {
  font-size: 36px;
  margin-bottom: 32px
}
h3 {
  color: #f6c453
}
.hero-text {
  font-size: 20px;
  color: #cbd5e1;
  max-width: 680px
}
.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap
}
.hero-card {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35)
}
.hero-card li {
  margin-bottom: 12px
}
.section {
  padding: 90px 0;
  background: #fff;
  color: #111827
}
.section.dark {
  background: #0d1b2f;
  color: #fff
}
.cards, .features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px
}
.card, .features div {
  background: #f8fafc;
  border-radius: 20px;
  padding: 28px;
  border: 1px solid #e5e7eb;
  transition: .25s
}
.section.dark .features div {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .12)
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .12)
}
.cta {
  padding: 90px 0;
  text-align: center;
  background: linear-gradient(135deg, #10284a, #07111f)
}
.footer {
  padding: 28px 0;
  background: #050b14;
  color: #94a3b8;
  text-align: center
}
.article {
  max-width: 860px
}
.article p {
  font-size: 18px;
  color: #334155
}
.article h1, .article h2 {
  color: #111827
}
.contact-box {
  max-width: 760px;
  margin: auto;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  padding: 32px
}
.contact-list {
  list-style: none;
  padding: 0
}
.contact-list li {
  margin: 14px 0
}
@media(max-width:900px) {
  .hero-grid, .cards, .features {
    grid-template-columns: 1fr
  }
  .menu-btn {
    display: block
  }
  .nav {
    padding: 16px 0;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
    
    position: absolute;
    top: 73px;
    left: 0;
    width: 100%;
    padding: 15px;
    background: rgba(7, 17, 31, .95);
  }
  .nav-menu.active {
    display: flex
  }
  h2 {
    font-size: 30px
  }
  .hero {
    padding: 70px 0
  }
}