@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

* {
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: #121212;
  color: #e0e0e0;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Header 与 Logo */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: linear-gradient(135deg, #000, #1a1a1a);
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo {
  height: 50px;
  margin-right: 10px;
}

.site-title a {
  text-decoration: none;
  color: #ff3d00;
  font-size: 2rem;
}

/* 导航菜单 */
nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
}

nav li {
  margin: 0.5rem 1rem;
}

nav a {
  text-decoration: none;
  color: #e0e0e0;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #ff3d00;
}

/* 主容器 */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  background-color: #1e1e1e;
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.5);
}

/* 按钮 */
a.button, button.button {
  display: inline-block;
  background-color: #ff3d00;
  color: #fff;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  border-radius: 4px;
  margin: 0.5rem;
  transition: background-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

a.button:hover, button.button:hover {
  background-color: #e63900;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

/* Footer */
footer {
  background-color: #000;
  color: #888;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
  font-size: 0.9rem;
}

/* 动画 */
.fade-in {
  animation: fadeIn 1s ease-in;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Hero 区域（首页顶部） */
.hero {
  text-align: center;
  padding: 4rem 0 2rem;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.2rem;
  color: #ccc;
}

/* 公告模块 */
.announcement {
  background-color: #262626;
  padding: 1.5rem;
  margin: 1rem 0;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

/* 媒体库 */
.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.gallery-item {
  flex: 1 1 300px;
  max-width: 300px;
}
.gallery-item img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  transition: transform 0.3s;
}
.gallery-item img:hover {
  transform: scale(1.05);
}

/* 排行榜 */
.leaderboard-filter {
  margin: 1rem 0;
  text-align: center;
}
.leaderboard-filter label {
  margin-right: 0.5rem;
}
#leaderboard-list {
  margin-top: 1rem;
}
.leaderboard-item {
  background-color: #1e1e1e;
  margin: 0.5rem auto;
  padding: 0.8rem;
  border-radius: 4px;
  max-width: 600px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 反馈表单 */
form {
  background-color: #262626;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  margin: 1rem 0;
}
form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
}
form input[type="text"],
form input[type="email"],
form textarea {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid #444;
  border-radius: 4px;
  background-color: #1e1e1e;
  color: #e0e0e0;
}
form textarea {
  resize: vertical;
  min-height: 120px;
}
/* 自定义验证码样式 */
#custom-captcha {
  margin-bottom: 1rem;
}
#custom-captcha p {
  font-weight: bold;
  margin-bottom: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    text-align: center;
  }
  nav ul {
    flex-direction: column;
  }
  .site-logo {
    margin-bottom: 0.5rem;
  }
}

/* 轮播图样式 */
.slider {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 400px; /* 设置固定高度 */
}

.slider .slide {
  position: absolute;
  width: 100%;
  height: 100%;  /* 使每个 slide 占满容器 */
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slider .slide.active {
  opacity: 1;
}

.slider img {
  width: 100%;
  height: 100%;      /* 占满容器 */
  object-fit: cover; /* 保持图片比例并覆盖整个区域 */
}

/* ===== 子站响应式优化（2026-10-03，纯加法） ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 16px 0; }
.table-wrap table { min-width: 900px; }
img { max-width: 100%; height: auto; }
iframe { max-width: 100%; }
@media (max-width: 640px) {
  .header-container { flex-wrap: wrap; }
  nav ul { flex-wrap: wrap; gap: 4px; }
  nav ul li a { padding: 10px 12px; min-height: 44px; display: inline-flex; align-items: center; }
  .button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .hero .slider img { height: auto; }
  input, textarea, select { max-width: 100%; box-sizing: border-box; }
}