* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  background: #0b0e13;
  color: #c4ccd6;
  overflow-x: hidden;
}
::selection { background: #d9a13b; color: #060c1a; }
a { text-decoration: none; color: inherit; }

.page {
  width: 1920px;
  max-width: 100%;
  margin: 0 auto;
  background: #0b0e13;
}
.container { width: 1920px; max-width: 100%; margin: 0 auto; }

#hero {
  position: relative;
  width: 1920px;
  max-width: 100%;
  height: 880px;
  overflow: hidden;
}
#hero .hero-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
#hero .hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
  opacity: 0;
  transition: opacity 1.2s ease;
}
#hero .hero-video.show { opacity: 1; }

.hero-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 50px;
  z-index: 4;
  display: flex;
  justify-content: center;
  gap: 100px;
}

.btn {
  display: inline-block;
  min-width: 280px;
  padding: 20px 52px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 8px;
  text-align: center;
  border-radius: 8px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: translateY(-4px); }
.btn-gold {
  color: #3a2600;
  background: linear-gradient(180deg, #ffe9a8 0%, #f6b93b 45%, #c9841a 100%);
  border: 2px solid #ffd977;
  box-shadow: 0 0 24px rgba(246,185,59,.5), inset 0 0 12px rgba(255,255,255,.35);
}
.btn-gold:hover { box-shadow: 0 0 40px rgba(246,185,59,.8); }
.btn-blue {
  color: #0c141c;
  background: linear-gradient(180deg, #e6eef5 0%, #8fa8bc 50%, #3c5268 100%);
  border: 2px solid #b8c8d6;
  box-shadow: 0 0 24px rgba(143,168,188,.5), inset 0 0 12px rgba(255,255,255,.3);
}
.btn-blue:hover { box-shadow: 0 0 40px rgba(184,200,214,.8); }

.section { padding: 100px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-title {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #ffd977 60%, #d9a13b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: "STMicrosoft YaHei","Microsoft YaHei","楷体",serif;
}
.section-sub {
  margin-top: 12px;
  color: #8a95a3;
  letter-spacing: 3px;
  font-size: 15px;
}
.section-title::before, .section-title::after {
  content: "◆";
  color: #d9a13b;
  margin: 0 18px;
  font-size: 18px;
}

#intro {
  background: linear-gradient(180deg, #131a24 0%, #0b0e13 100%);
}
.intro-panel {
  max-width: 1160px;
  margin: 0 auto;
  padding: 44px 54px;
  background: rgba(28,36,46,.55);
  border: 1px solid rgba(232,185,74,.25);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,.6), inset 0 0 80px rgba(0,0,0,.4);
}
.intro-block {
  padding: 22px 4px;
  border-bottom: 1px dashed rgba(232,185,74,.18);
}
.intro-block:last-child { border-bottom: none; }
.intro-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 12px;
}
.intro-num {
  font-family: "STMicrosoft YaHei","Microsoft YaHei","楷体",serif;
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 0 18px currentColor;
}
.intro-name {
  font-family: "STMicrosoft YaHei","Microsoft YaHei","楷体",serif;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 3px;
  background: linear-gradient(180deg, #ff7070 0%, #ffd977 55%, #f6b93b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 24px rgba(255, 30, 30, 0.4);
}
.intro-block:nth-child(1) .intro-num,
.intro-block:nth-child(4) .intro-num { color: #e8b94a; }
.intro-block:nth-child(2) .intro-num,
.intro-block:nth-child(5) .intro-num { color: #d98a4a; }
.intro-block:nth-child(3) .intro-num,
.intro-block:nth-child(6) .intro-num { color: #6ec5d8; }
.intro-block p {
  font-size: 17px;
  line-height: 2.1;
  color: #b9c4d0;
  letter-spacing: .5px;
}
.intro-block p .em {
  color: #f2c14e;
  font-weight: 700;
  font-style: normal;
  text-shadow: 0 0 12px rgba(255, 43, 43, 0.8);
}
.intro-block p strong { color: #ffd977; }

#equip { background: linear-gradient(180deg, #131a24 0%, #0b0e13 100%); }
.equip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
}
.equip-item {
  background: rgba(28,36,46,.6);
  border: 1px solid rgba(232,185,74,.25);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  transition: border-color .25s ease, transform .25s ease;
}
.equip-item:hover { border-color: #d9a13b; transform: translateY(-6px); }
.equip-item img {
  display: block;
  height: auto;
  width: auto;
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 0 24px rgba(255, 43, 43, 0.8);
}
.equip-item .equip-name {
  margin-top: 14px;
  font-size: 18px;
  color: #ffd977;
  letter-spacing: 3px;
  font-weight: 700;
}

footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid rgba(255, 43, 43, 0.8);
  background: #07090d;
  color: #6b7684;
  font-size: 14px;
  letter-spacing: 1px;
}
footer a { color: #8a95a3; }

@media (max-width: 900px) {
  .intro-panel { padding: 32px 26px; }
}
@media (max-width: 620px) {
  .section { padding: 64px 0; }
  .hero-content { bottom: 60px; gap: 20px; flex-wrap: wrap; }
  .btn { min-width: 220px; padding: 16px 30px; font-size: 20px; }
  .intro-panel { padding: 26px 18px; }
  .intro-name { font-size: 22px; }
  .intro-num { font-size: 28px; }
  .intro-block p { font-size: 15px; }
}