/* 全局重置 */
*{margin:0;padding:0;box-sizing:border-box;font-family:Arial, Helvetica, sans-serif;}
body{background:#f5f3f0;color:#222;line-height:1.6;overflow-x:hidden;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button{cursor:pointer;border:none;background:none;}
img{max-width:100%;display:block;object-fit:cover;}
.container{max-width:1400px;margin:0 auto;padding:0 16px;width:100%;}

/* 头部导航 */
header{background:#fff;box-shadow:0 2px 8px #00000010;position:sticky;top:0;z-index:99;}
.nav-wrap{display:flex;justify-content:space-between;align-items:center;padding:16px 0;flex-wrap:wrap;gap:12px;}
.nav-menu{display:flex;gap:28px;flex-wrap:wrap;}
.nav-menu a{font-weight:500;color:#333;transition:color .3s;font-size:15px;}
.nav-menu a:hover{color:#b88628;}
.nav-icons{display:flex;gap:18px;align-items:center;}
.icon-btn{font-size:20px;position:relative;}
.badge{position:absolute;top:-6px;right:-6px;background:#b88628;color:#fff;width:16px;height:16px;border-radius:50%;font-size:10px;display:grid;place-items:center;}

/* 首页轮播横幅 */
.banner{height:70vh;min-height:480px;background:#f0ece7;display:flex;align-items:center;position:relative;margin-bottom:60px;overflow:hidden;}
.banner-left{width:50%;padding:0 40px;}
.banner-tag{color:#b88628;letter-spacing:1px;margin-bottom:12px;font-size:14px;}
.banner h1{font-size:42px;margin-bottom:16px;line-height:1.2;}
.banner-desc{color:#666;margin-bottom:32px;}
.btn-gold{background:#b88628;color:#fff;padding:12px 28px;border-radius:30px;font-weight:500;transition:opacity .3s;display:inline-block;}
.btn-gold:hover{opacity:0.85;}
.banner-sale{position:absolute;top:60px;left:45%;width:110px;height:110px;border-radius:50%;background:#b88628;color:#fff;display:grid;place-items:center;font-size:32px;font-weight:bold;}
.banner-img{width:50%;height:100%;display:flex;align-items:center;justify-content:center;}
.banner-img img{max-height:85%;max-width:90%;object-fit:contain;}
.slide-arrow{width:36px;height:36px;border-radius:50%;background:#00000020;color:#333;display:grid;place-items:center;font-size:16px;position:absolute;top:50%;transform:translateY(-50%);}
.arrow-left{left:16px;}
.arrow-right{right:16px;}

/* 商品通用模块标题 */
.section-title{text-align:center;margin-bottom:40px;}
.section-title h2{font-size:30px;margin-bottom:8px;}
.section-title p{color:#777;font-size:14px;}

/* 商品网格卡片 核心修复图片过大问题 */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;margin-bottom:70px;width:100%;}
.product-card{background:#fff;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;width:100%;}
.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #00000012;}
.card-img-box{height:240px;position:relative;width:100%;overflow:hidden;}
.card-img-box img{width:100%;height:100%;object-fit:cover;}
.discount-tag{position:absolute;top:10px;left:10px;background:#b88628;color:#fff;padding:3px 8px;border-radius:16px;font-size:12px;font-weight:bold;z-index:2;}
.card-fav{position:absolute;top:10px;right:10px;width:30px;height:30px;background:#fff;border-radius:50%;display:grid;place-items:center;font-size:14px;cursor:pointer;z-index:2;}
.card-fav.active{color:#e63946;}
.card-body{padding:14px;}
.card-name{font-size:14px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px;}
.price-row{display:flex;gap:8px;align-items:center;margin-bottom:10px;}
.price-old{color:#999;text-decoration:line-through;font-size:13px;}
.price-new{font-size:17px;font-weight:bold;color:#b88628;}
.card-compare{width:100%;padding:7px;background:#eee;color:#444;border-radius:4px;margin-top:6px;font-size:14px;}

/* 分页组件（列表页） */
.pagination{display:flex;justify-content:center;gap:10px;margin:50px 0;flex-wrap:wrap;}
.page-btn{width:38px;height:38px;border:1px solid #ddd;display:grid;place-items:center;border-radius:4px;font-size:14px;}
.page-btn.active{background:#b88628;color:#fff;border-color:#b88628;}

/* 详情页布局 限制图片尺寸 */
.detail-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:60px 0;align-items:flex-start;}
.detail-img{height:460px;border-radius:12px;overflow:hidden;width:100%;}
.detail-img img{width:100%;height:100%;object-fit:cover;}
.detail-name{font-size:28px;margin-bottom:14px;line-height:1.3;}
.detail-price{margin-bottom:20px;}
.detail-desc{color:#555;margin-bottom:26px;line-height:1.7;font-size:15px;}
.quantity-box{display:flex;align-items:center;margin-bottom:26px;gap:14px;}
.qty-btn{width:34px;height:34px;border:1px solid #ddd;display:grid;place-items:center;font-size:16px;}
.qty-input{width:56px;height:34px;text-align:center;border:1px solid #ddd;font-size:15px;}
.detail-btns{display:flex;gap:16px;flex-wrap:wrap;}
.btn-cart{border:1px solid #b88628;color:#b88628;padding:12px 28px;border-radius:30px;font-weight:500;display:inline-block;}

/* 页面通用内容块（关于/联系/政策页） */
.page-content{max-width:860px;margin:60px auto;width:100%;padding:0 10px;}
.page-content h2{font-size:28px;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #b88628;}
.page-content h3{font-size:20px;margin:24px 0 10px;}
.page-content p{margin-bottom:14px;color:#444;font-size:15px;line-height:1.7;}
.contact-info{margin:26px 0;display:flex;flex-direction:column;gap:10px;}
.contact-info span{font-weight:bold;color:#b88628;min-width:120px;display:inline-block;}

/* 页脚全局 */
footer{background:#222;color:#ddd;padding:50px 0 16px;margin-top:70px;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px;margin-bottom:36px;}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:17px;}
.footer-col li{margin-bottom:8px;font-size:14px;}
.footer-col p{font-size:14px;line-height:1.6;margin-bottom:6px;}
.footer-col a{color:#bbb;transition:color .3s;}
.footer-col a:hover{color:#b88628;}
.copyright-bar{border-top:1px solid #333;padding-top:16px;margin-top:16px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:14px;}
.payment-icons{display:flex;gap:10px;}
.payment-icons img{height:22px;background:#fff;padding:2px;border-radius:3px;}

/* 返回顶部 */
.back-top{position:fixed;bottom:24px;right:24px;width:40px;height:40px;border-radius:50%;background:#b88628;color:#fff;display:grid;place-items:center;font-size:16px;z-index:98;}

/* 移动端适配 */
@media (max-width:992px){
    .detail-wrap{grid-template-columns:1fr;gap:30px;}
    .banner{flex-direction:column;height:auto;padding:40px 0;}
    .banner-left,.banner-img{width:100%;padding:20px;}
    .banner-sale{left:50%;transform:translateX(-50%);}
}
@media (max-width:576px){
    .product-grid{grid-template-columns:repeat(auto-fill,minmax(100%,1fr));}
    .nav-menu{gap:16px;justify-content:center;width:100%;}
    .banner h1{font-size:30px;}
    .section-title h2{font-size:24px;}
}