/* 全局样式 + 增强漫画切换交互 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #f5f5f5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* 头部与导航 (保留原版风格，增加响应式) */
.header {
  background-color: #2c3e50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.top {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}
.divlogo {
  padding: 15px 0;
}
.divlogo a {
  text-decoration: none;
  color: #fff;
  font-weight: bold;
  font-size: 1.4rem;
  letter-spacing: 1px;
}
.divlogo a strong {
  font-weight: 700;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 12px 0;
}
.nav a {
  color: #ecf0f1;
  text-decoration: none;
  font-size: 15px;
  transition: 0.2s;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a.act {
  color: #f39c12;
  border-bottom-color: #f39c12;
}

/* footer 样式保持原风格 */
.footer {
  background-color: #1e2a36;
  color: #adb7c2;
  padding: 30px 20px 20px;
  margin-top: 50px;
  font-size: 13px;
}
.copyright {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.8;
}
.copyright a {
  color: #f39c12;
  text-decoration: none;
}
.copyright a:hover {
  text-decoration: underline;
}
@media (max-width: 768px) {
  .top {
    flex-direction: column;
    text-align: center;
  }
  .nav {
    justify-content: center;
  }
}

.banner{
  width:100%;
}
.banner img{
  max-width:100%;
}
.video{
  max-width:1000px;
  margin:auto;
  padding-bottom:100px;
}
.title-h2 {
  margin:70px auto 50px;
  padding-bottom:10px;
  border-bottom:1px solid #ddd;
  text-align: center;
  font-size: 23px;
  font-weight: bold;
  color: #999;
}
.video-list{
  width:100%;
  overflow:hidden;
  padding:0;
}
.video-list li{
  float:left;
  width:30%;
  /*height: 300px;*/
  margin-right:3.3%;
  margin-bottom:3.33%;
}
.video-list-title{
  padding:10px 0 5px;
  text-align:center;
}
.img-box{
  cursor:pointer;
}
.img-box img{
  width:100%;
}

.modal-dialog{
  width:730px;
}
.modal-body{
  padding:4px 4px 0;
}