* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft YaHei", sans-serif;
}
body {
  background: #11141a;
  color: #fff;
  line-height: 1.7;
}
a {
  text-decoration: none;
  color: inherit;
}
.wrap {
  width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(17,20,26,0.94);
  z-index: 999;
  border-bottom: 1px solid #2a303d;
}
.nav-wrap {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}
.logo {
  font-size: 26px;
  font-weight: bold;
  color: #00ccff;
}
.menu {
  display: flex;
  list-style: none;
  gap: 32px;
}
.menu li {
  font-size: 16px;
}
.menu li.active a,
.menu li a:hover {
  color: #00ccff;
  border-bottom: 2px solid #00ccff;
  padding-bottom: 6px;
}

/* Banner */
.banner {
  margin-top: 70px;
  height: 560px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0.8)),
  url() center center / cover no-repeat;
  background-color: #1b2530;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.banner-inner h1 {
  font-size: 58px;
  margin-bottom: 16px;
  color: #fff;
  text-shadow: 0 0 20px #00ccff;
}
.banner-inner p {
  font-size: 20px;
  color: #ccc;
  margin-bottom: 30px;
}
.btn {
  display: inline-block;
  padding: 14px 40px;
  background: #00ccff;
  color: #000;
  border-radius: 6px;
  font-size: 18px;
  font-weight: bold;
  transition: 0.3s;
}
.btn:hover {
  background: #00aaff;
}
.btn.red {
  background: #ff3344;
  color: #fff;
}
.btn.red:hover {
  background: #e62233;
}

/* 板块 */
.section {
  padding: 80px 0;
}
.dark {
  background: #151a24;
}
.blue {
  background: #005999;
}
.sec-title {
  text-align: center;
  margin-bottom: 50px;
}
.sec-title h2 {
  font-size: 36px;
  margin-bottom: 10px;
  color: #fff;
}
.sec-title p {
  font-size: 18px;
  color: #aaa;
}
.sec-title.white h2,
.sec-title.white p {
  color: #fff;
}

/* 职业 */
.career-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
}
.card {
  background: #1d232e;
  padding: 30px 24px;
  border-radius: 10px;
  border-left: 4px solid #00ccff;
  transition: 0.3s;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0,204,255,0.2);
}
.card h3 {
  font-size: 22px;
  margin-bottom: 8px;
  color: #00ccff;
}
.card p {
  color: #ccc;
}

/* 副本 */
.instance-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}
.instance-flex .item {
  width: 360px;
  background: #252c38;
  padding: 30px;
  border-radius: 10px;
  border-bottom: 3px solid #00ccff;
}
.item h3 {
  font-size: 22px;
  color: #00ccff;
  margin-bottom: 8px;
}

/* 玩法 */
.play-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
.play-grid .box {
  background: #1d232e;
  padding: 32px 26px;
  border-radius: 10px;
  text-align: center;
}
.box h4 {
  font-size: 22px;
  color: #00ccff;
  margin-bottom: 10px;
}

/* 公益服 */
.server-list {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 24px;
}
.server-card {
  background: #0066bb;
  padding: 36px 30px;
  border-radius: 10px;
}
.server-card h3 {
  font-size: 24px;
  margin-bottom: 10px;
}

/* 工具 */
.tool-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 18px;
  color: #ccc;
}
.tool-content p {
  margin-bottom: 26px;
}

/* 页脚 */
.footer {
  background: #0c0f14;
  padding: 40px 0;
  text-align: center;
  color: #777;
  font-size: 15px;
}