body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 30px;
  height: 80px;

  background: linear-gradient(135deg, rgba(27, 197, 155, 0.6), rgba(21, 127, 168, 0.6));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.2);
  border-radius: 0 0 20px 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-width: 100vw;
}

/* 修复左侧内容尺寸 */
.nav-left {
  flex-shrink: 0;
}

.nav-left h1,
.nav-left p {
  color: white;
  margin: 0;
  line-height: 1.4;
}

.nav-left h1 {
  font-size: 1.6rem;
}

.nav-left p {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* 修复导航按钮对齐 */
.nav-right {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap; /* 自动换行适配小屏 */
}

/* 防止 <li> 默认 block 行为 */
.nav-right li {
  display: inline-block;
}

.nav-right li a {
  text-decoration: none;
  color: #ffffff;
  font-size: 1rem;
  padding: 8px 16px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.nav-right li a:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.main-image {
  width: 100%;
  height: auto;
  display: block;
}

.watermark {
  position: fixed;
  bottom: 10px;
  right: 15px;
  z-index: 1000;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.4);
  font-style: italic;
  pointer-events: none;
  user-select: none;
}

.cf-watermark {
  position: fixed;
  bottom: 10px;
  right: 10px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  background-color: rgba(0, 0, 0, 0.3);
  padding: 6px 12px;
  border-radius: 8px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.cf-watermark img {
  height: 16px;
  vertical-align: middle;
}

.openai-watermark {
  position: fixed;
  bottom: 50px;
  right: 10px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  background-color: rgba(0, 0, 0, 0.3);
  padding: 6px 12px;
  border-radius: 8px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.openai-watermark img {
  height: 18px;
  width: 18px;
  object-fit: contain;
}
@media screen and (max-width: 600px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 20px;
    height: auto;
  }

  .nav-left {
    margin-bottom: 10px;
    text-align: left;
  }

  .nav-left h1 {
    font-size: 1.3rem;
  }

  .nav-right {
    flex-wrap: wrap;
    gap: 12px;
    width: 100%;
    justify-content: flex-start;
  }

  .nav-right li a {
    font-size: 0.95rem;
    padding: 6px 12px;
  }
}