*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft YaHei"}
body{background:#f7f9fc;color:#333}
.container{padding:0 14px}

/* 导航居中 */
.nav-box{background:#121212;color:#fff;padding:12px 0;position:sticky;top:0;z-index:999}
.nav-container{display:flex;justify-content:center;position:relative}
.logo{font-size:18px;font-weight:bold;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.nav-left,.nav-right{display:flex;gap:10px;font-size:13px}
.nav-box a{color:#fff;text-decoration:none}
.lang-btn{background:#333;color:#fff;border:none;padding:4px 8px;border-radius:4px}

/* Banner */
.banner{height:340px;background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.8)),url(/template/shanhe/banner.jpg);background-size:cover;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center}

/* 双列卡片 手机不拥挤 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.card{background:#fff;border-radius:12px;padding:20px;text-align:center}
.list-card{border-radius:12px;overflow:hidden;position:relative}
.card-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-tip{position:absolute;bottom:0;left:0;right:0;padding:8px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;font-size:13px}

/* 标签筛选 */
.tag-filter{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}
.tag-filter a{padding:8px 12px;background:#fff;border-radius:50px;font-size:13px}
.tag-filter a.active{background:#1a365d;color:#fff}

/* 详情 */
.detail-box{padding:20px 0}
.detail-title{font-size:20px;margin-bottom:15px;text-align:center}
.detail-content img{max-width:100%;border-radius:8px}

/* 底部 */
.footer{background:#121212;color:#fff;text-align:center;padding:20px;margin-top:30px;font-size:12px}