/* 全局重置 */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
}
body{
    background-color: #f7f9fc;
    color: #223355;
}
.container{
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 20px;
}
.background{
    width: 100%;
    height: 100%;
    background: url("../images/background4.jpg") center/cover no-repeat;
}
/* ========== 导航栏 ========== */
.header{
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.6);
    padding: 14px 0;
}
.nav-wrap{
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(255,255,255,0.3);
}
.logo{
    display: flex;
    align-items: center;
    gap:10px;
}
.logo img{
    width:62px;
    height:42px;
}
.logo-text h1{
    font-size:24px;
    font-weight:600;
    color:#234477;
}
.logo-text p{
    font-size:10px;
    color:#666;
}
.nav{
    display:flex;
    gap:36px;
}
.nav a{
    text-decoration:none;
    color:#334466;
    font-size:15px;
    border-bottom: 2px solid transparent;
}
.nav a:hover{
    color:#245899;
    font-weight:bold;
    border-color: #245899;
    transform: translateY(-2px);
}
.header-right{
    display:flex;
    align-items:center;
    gap:16px;
}
.search-box{
    position:relative;
}
.iconfont {
    font-family: "iconfont" !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: inline-block;
    vertical-align: middle;
}
.search-box {
    position: relative;
}
.search-icon {
    position: absolute;
    left:16px;

    transform: translateY(20%);
    font-family: "iconfont";
    font-size: 20px;
    color:#8892a0;
}
.search-box input{
    width:240px;
    padding:8px 12px 8px 36px;
    border-radius:20px;
    border:1px solid #dde3ec;
    outline:none;
    font-size:14px;
}
.search-icon{
    position:absolute;
    left:12px;
    top:7px;
}
.user-avatar{
    width:36px;
    height:36px;
    margin-left: 50px;
    border-radius:50%;
    background:#e8edf4;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    font-size: 16px;
}

/* ========== 顶部Banner ========== */
.banner{
    height:420px;
    /* background: url("../images/background2.jpg") center/cover no-repeat; */
    display:flex;
    align-items:center;
}
.banner-content{
    width:100%;
    display:flex;
    justify-content:space-around;
    align-items:center;
}
.banner-left h2{
    font-size:44px;
    color:#1c3b6b;
    letter-spacing:4px;
}
.banner-left p{
    font-size:18px;
    margin-top:10px;
    /* color:#2c4b7c; */
    color: #222;
    text-align:center;
}
.banner-right{
    font-size:20px;
    color:#223355;
    line-height:1.6;
}


/* ========== 底部背景  ========== */
/* .background-bottom{
    width: 100%;
    height: 300px;
    position: absolute;
    top: 700px;
    background: url("../images/background3.jpg") center/cover no-repeat;
} */

/* ========== 主内容三栏布局 ========== */
.main-wrap{
    display:grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap:54px;
    margin-top:-80px;
    position:relative;
    z-index:2;
}
.card-block{
    background:#ffffff;
    border-radius:16px;
    padding:20px;
    box-shadow:0 4px 16px rgba(30, 60, 100, 0.08);
}
.block-header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:18px;
}
.block-title{
    display:flex;
    align-items:center;
    gap:8px;
}
.block-title .icon{
    width:32px;
    height:32px;
    background:#e8f0fb;
    border-radius:6px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#245899;
}
.block-title h3{
    font-size:19px;
    color:#1f3b66;
}
.block-title small{
    font-size:11px;
    color:#777;
}
.more{
    font-size:13px;
    color:#446899;
    text-decoration:none;
}

/* ========== 文创商品网格 ========== */
.goods-grid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:16px;
}
.goods-item{
    border-radius:10px;
    overflow:hidden;
}
.goods-img{
    position:relative;
    height:150px;
    background:#f4f7fb;
}
.goods-img img{
    width:100%;
    height:100%;
    object-fit:fill;
}
.tag{
    position:absolute;
    top:8px;
    left:8px;
    background:#245899;
    color:white;
    font-size:11px;
    padding:2px 6px;
    border-radius:4px;
}
.goods-item h4{
    font-size:14px;
    margin-top:8px;
}
.goods-desc{
    font-size:11px;
    color:#777;
    margin:4px 0 10px;
}
.goods-bottom{
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.price{
    font-size:16px;
    font-weight:bold;
    color:#c83c3c;
}
.buy-btn{
    background:#245899;
    color:#fff;
    border:none;
    border-radius:4px;
    padding:4px 9px;
    font-size:12px;
    cursor:pointer;
}

/* ========== 中间视频卡片 ========== */
.video-box{
    border-radius:12px;
    overflow:hidden;
    position:relative;
}
.video-box img{
    width:100%;
    display:block;
}
.play-circle{
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
    width:56px;
    height:56px;
    background:rgba(255,255,255,0.75);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    color: #1c3b6b;
}
.play-icon{
   font-size: 30px;
    color:#245899;
}
.video-progress{
    position:absolute;
    bottom:0;
    left:0;
    width:100%;
    padding:8px 10px;
    background:linear-gradient(transparent, rgba(0,0,0,0.5));
    color:#fff;
    display:flex;
    align-items:center;
    gap:8px;
    font-size:12px;
}
.progress-bar{
    flex:1;
    height:4px;
    background:rgba(255,255,255,0.3);
    border-radius:2px;
}
.progress{
    width:0%;
    height:100%;
    background:#fff;
}
.video-info h4{
    margin-top:14px;
    font-size:17px;
}
.video-info p{
    margin:8px 0;
    font-size:13px;
    line-height:1.5;
    color:#555;
}
.video-stats{
    display:flex;
    justify-content: flex-end;
    gap:18px;
    font-size:13px;
    color:#666;
}
.view-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: #666;
  line-height: 1;
}
/* ========== 右侧活动卡片 ========== */
.activity-img{
    position:relative;
    border-radius:12px;
    overflow:hidden;
}
.activity-img img{
    width:100%;
    display:block;
}
.activity-title-text{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    padding:20px;
}
.activity-title-text h4{
    font-size:32px;
    color:#392058;
}
.activity-title-text p{
    font-size:14px;
    line-height:1.6;
    color:#392058;
}
.slogan{
    position:absolute;
    top:24px;
    right:20px;
    text-align:right;
}
.activity-bottom{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-top:14px;
}
.activity-meta span{
    display:inline-flex;
    align-items:center;
    gap:4px; 
}
.activity-meta .iconfont{
    font-size:14px; 
}

.activity-meta{
    display:flex;
    flex-direction:column;
    gap:6px;
    font-size:13px;
    color:#555;
}
.join-btn{
    background:#c84c78;
    color:#fff;
    border:none;
    border-radius:20px;
    padding:7px 14px;
    font-size:13px;
    cursor:pointer;
}
.dots{
    display:flex;
    gap:6px;
    justify-content:center;
    margin-top:14px;
}
.dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:#d0d8e4;
}
.dot.active{
    background:#245899;
}

/* ========== 底部背景 ========== */
.footer-bg{
    margin-top:40px;
    height:240px;
    background:url("../images/") center/cover no-repeat;
    display:flex;
    align-items:center;
    text-align:center;
    color:#234477;
    font-size:14px;
}