body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #fff;
  color: #333;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background-color: #001529;
  color: #fff;
  padding: 20px 0;
}

header .logo {
  float: left;
  margin: 0;
}

nav {
  float: right;
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  background: url('https://via.placeholder.com/1600x400') no-repeat center center;
  background-size: cover;
  padding: 120px 0;
  text-align: center;
  color: #fff;
}

.hero-text h2 {
  font-size: 36px;
  margin-bottom: 10px;
}

.features {
  background: #f9f9f9;
  padding: 60px 0;
  text-align: center;
}

.feature {
  width: 30%;
  float: left;
  margin: 1.66%;
  background: #fff;
  padding: 20px;
  box-shadow: 0 0 10px #ccc;
  box-sizing: border-box;
}

.contact {
  padding: 60px 0;
}

.contact form {
  max-width: 600px;
  margin-bottom: 40px;
}

.contact label {
  display: block;
  margin-top: 20px;
  font-weight: bold;
}

.contact input,
.contact textarea {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  box-sizing: border-box;
}

.contact button {
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #001529;
  color: #fff;
  border: none;
  cursor: pointer;
}

footer {
  background-color: #f0f0f0;
  padding: 30px 0;
  text-align: center;
  color: #888;
}

/* 清除浮动 */
header::after,
.features::after {
  content: "";
  display: table;
  clear: both;
}

.hero-section {
  background: #007aff;
  padding: 100px 20px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero-section::before,
.hero-section::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(45deg);
  top: 50%;
  margin-top: -150px;
  z-index: 0;
}

.hero-section::before {
  left: -150px;
}

.hero-section::after {
  right: -150px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 30px;
}

.hero-button {
  background: #fff;
  color: #007aff;
  padding: 12px 24px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  transition: background 0.3s;
}

.hero-button:hover {
  background: #e6e6e6;
}

.ability-section {
  background: #011520;
  padding: 80px 20px;
  color: #fff;
  text-align: center;
}

.section-title {
  font-size: 28px;
  margin-bottom: 40px;
}
.section-title span {
  font-size: 16px;
  color: #00eaff;
}

.ability-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.ability-card {
  background: #d8f3f3;
  color: #000;
  width: 300px;
  padding: 40px 20px 30px;
  position: relative;
  clip-path: polygon(50% 0%, 100% 10%, 100% 100%, 0% 100%, 0% 10%);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
}

.ability-card.highlighted {
  background: #00eaff;
}

.ability-badge {
  width: 50px;
  height: 50px;
  background: #00eaff;
  color: #000;
  font-weight: bold;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: -25px;
  left: calc(50% - 25px);
  font-size: 20px;
}

.ability-card h3 {
  font-size: 18px;
  margin-top: 40px;
}

.ability-card hr {
  border: none;
  border-top: 2px solid #000;
  width: 60%;
  margin: 10px auto 20px;
}

.ability-card ul {
  text-align: left;
  padding-left: 0;
  list-style: none;
}

.ability-card li {
  margin: 10px 0;
  padding-left: 1em;
  position: relative;
}
.ability-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #00aaff;
}