body {
  font-family: "Poppins", sans-serif;
  color: #ffffff;
  background-color: #0a0a0a;
  overflow-x: hidden;
  margin: 0;
}

.hero_area {
  height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  /* --- 使用你的图床链接作为背景图 --- */
  background-image: url('https://s1.imagehub.cc/images/2026/01/30/465213b25dd7fdbb502c2c210b4be715.jpeg');
  /* --- 确保图片铺满屏幕并居中 --- */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* --- 如果图片加载失败，显示一个优雅的纯色备用背景 --- */
  background-color: #0a0a0a; /* 纯黑，和之前的风格一致 */
}

/* 遮罩层：为了让文字更清晰，在背景图上加一层半透明黑 */
.hero_area::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6); /* 60% 不透明度的黑色遮罩 */
  z-index: 0;
}


/* Header 改为绝对定位，悬浮在上方 */
.header_section {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(2px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.custom_nav-container {
  padding: 15px 0;
}

.navbar-brand span {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.slider_section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding-top: 80px;
}

.detail-box {
  padding: 20px;
}

.detail-box h3 {
  color: #ff6b00;
  font-weight: 600;
  letter-spacing: 4px;
  margin-bottom: 15px;
  text-transform: uppercase;
  font-size: 1rem;
}

.detail-box h1 {
  font-size: 4rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 25px;
  /* 文字阴影，增强在复杂背景上的可读性 */
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  background: linear-gradient(to right, #ffffff, #a0a0a0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.detail-box p {
  font-size: 1.2rem;
  color: #e0e0e0; /* 稍微调亮一点文字颜色，因为背景变暗了 */
  margin-bottom: 40px;
  line-height: 1.6;
  text-shadow: 0 1px 5px rgba(0,0,0,0.8); /* 增加文字阴影 */
}

.btn-box {
  gap: 20px;
}

.btn {
  padding: 16px 45px;
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 2px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  border: none;
  min-width: 200px;
}

.btn-primary-custom {
  background: linear-gradient(45deg, #ff4500, #ff8c00);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn-primary-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 69, 0, 0.6);
  background: linear-gradient(45deg, #ff5e00, #ffa500);
  color: #fff;
}

.btn-outline-custom {
  background: transparent;
  border: 2px solid #ffffff;
  color: #ffffff;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn-outline-custom:hover {
  background: #ffffff;
  color: #000000;
  transform: translateY(-3px);
}

.small-text {
  color: #bbb; /* 调亮小字颜色 */
  font-size: 0.9rem;
  margin-top: 25px;
  letter-spacing: 1px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

.footer_section {
  background-color: #000000; /* 纯黑背景 */
  padding: 15px 0;
  border-top: 1px solid #333;
  position: relative;
  z-index: 2;
}

.footer_section p {
  margin: 0;
  color: #555;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .detail-box h1 {
    font-size: 2.2rem;
  }
  .detail-box h3 {
    font-size: 0.8rem;
  }
  .btn {
    width: 100%;
    margin-bottom: 15px;
    min-width: auto;
  }
  .btn-box {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
  }
  .slider_section {
    padding-top: 60px;
  }
}