/* =====================================================
   998雪糕网 商城全站CSS  mall.css
   版本: 2.0  日期: 2026-04-18
   ===================================================== */

/* ---- 全局重置 ---- */
*,*::before,*::after{box-sizing:border-box}
body{margin:0;padding:0;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;color:#333;background:#f5f5f5}
a{text-decoration:none;color:inherit}
a:hover{color:#e4393c}
img{max-width:100%;display:block}
ul,ol{list-style:none;margin:0;padding:0}

/* ---- 颜色变量 ---- */
:root{
  --red:#e4393c;
  --red-dark:#c0272a;
  --orange:#ff6600;
  --gray-bg:#f5f5f5;
  --gray-border:#e0e0e0;
  --gray-text:#999;
  --white:#fff;
  --shadow:0 2px 8px rgba(0,0,0,.1);
  --shadow-hover:0 8px 24px rgba(0,0,0,.15);
  --radius:8px;
}

/* =====================================================
   PC 顶部导航
   ===================================================== */
.mall-topbar{background:#e4393c;color:#fff;font-size:12px;height:32px;line-height:32px}
.mall-topbar .inner{max-width:1200px;margin:0 auto;padding:0 15px;display:flex;justify-content:space-between;align-items:center}
.mall-topbar a{color:rgba(255,255,255,.85)}
.mall-topbar a:hover{color:#fff}
.mall-topbar .sep{margin:0 8px;opacity:.5}

.mall-header{background:#fff;border-bottom:2px solid #e4393c;position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.mall-header .inner{max-width:1200px;margin:0 auto;padding:12px 15px;display:flex;align-items:center;gap:20px}

/* Logo */
.mall-logo{flex-shrink:0}
.mall-logo img{height:50px;width:auto}
.mall-logo-text{font-size:22px;font-weight:700;color:#e4393c;white-space:nowrap}

/* 搜索框 */
.mall-search{flex:1;max-width:560px;display:flex;height:40px}
.mall-search input{flex:1;border:2px solid #e4393c;border-right:none;padding:0 16px;font-size:14px;outline:none;border-radius:4px 0 0 4px;background:#fff}
.mall-search input::placeholder{color:#bbb}
.mall-search button{width:80px;background:#e4393c;color:#fff;border:none;cursor:pointer;font-size:14px;border-radius:0 4px 4px 0;transition:background .2s}
.mall-search button:hover{background:#c0272a}

/* 右侧工具栏 */
.mall-header-tools{display:flex;align-items:center;gap:16px;flex-shrink:0}
.mall-header-tools a{display:flex;flex-direction:column;align-items:center;font-size:11px;color:#666;gap:2px;transition:color .2s}
.mall-header-tools a:hover{color:#e4393c}
.mall-header-tools .icon{font-size:22px;line-height:1}
.mall-cart-btn{position:relative}
.mall-cart-badge{position:absolute;top:-6px;right:-8px;background:#e4393c;color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 3px}

/* 主导航 */
.mall-nav{background:#fff;border-bottom:1px solid #eee}
.mall-nav .inner{max-width:1200px;margin:0 auto;padding:0 15px;display:flex;align-items:stretch}
.mall-nav a{display:block;padding:12px 18px;font-size:14px;color:#333;white-space:nowrap;transition:color .2s;border-bottom:3px solid transparent}
.mall-nav a:hover,.mall-nav a.cur{color:#e4393c;border-bottom-color:#e4393c}
.mall-nav .all-cats{background:#e4393c;color:#fff!important;padding:12px 20px;font-weight:600}
.mall-nav .all-cats:hover{background:#c0272a;color:#fff!important;border-bottom-color:transparent!important}

/* =====================================================
   品牌导航栏
   ===================================================== */
.brand-nav{background:#fff;padding:12px 0;border-bottom:1px solid #eee;overflow:hidden}
.brand-nav .inner{max-width:1200px;margin:0 auto;padding:0 15px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.brand-nav .label{font-size:13px;color:#999;flex-shrink:0;margin-right:4px}
.brand-nav a{display:inline-block;padding:4px 12px;border:1px solid #e0e0e0;border-radius:20px;font-size:13px;color:#555;transition:all .2s;white-space:nowrap}
.brand-nav a:hover{border-color:#e4393c;color:#e4393c;background:#fff5f5}

/* =====================================================
   首页 Banner
   ===================================================== */
.mall-banner{background:#fff;margin-bottom:12px}
.mall-banner .inner{max-width:1200px;margin:0 auto;padding:12px 15px}
.banner-wrap{border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#e4393c 0%,#ff6b35 100%);min-height:200px;display:flex;align-items:center;justify-content:center;position:relative}
.banner-wrap img{width:100%;height:auto;display:block}
.banner-placeholder{text-align:center;color:#fff;padding:40px}
.banner-placeholder h2{font-size:32px;margin:0 0 10px}
.banner-placeholder p{font-size:16px;opacity:.9;margin:0 0 20px}
.banner-placeholder a{display:inline-block;padding:10px 32px;background:#fff;color:#e4393c;border-radius:24px;font-weight:600;font-size:15px}

/* =====================================================
   首页布局：左侧分类 + 右侧内容
   ===================================================== */
.mall-main{max-width:1200px;margin:0 auto;padding:0 15px 20px;display:flex;gap:12px}
.mall-sidebar{width:200px;flex-shrink:0}
.mall-content{flex:1;min-width:0}

/* 侧边栏分类 */
.sidebar-cats{background:#fff;border-radius:var(--radius);overflow:hidden}
.sidebar-cats .title{background:#e4393c;color:#fff;padding:12px 16px;font-size:14px;font-weight:600}
.sidebar-cats ul li a{display:block;padding:10px 16px;font-size:13px;color:#444;border-bottom:1px solid #f5f5f5;transition:all .2s}
.sidebar-cats ul li a:hover{background:#fff5f5;color:#e4393c;padding-left:22px}

/* =====================================================
   商品区块
   ===================================================== */
.goods-section{background:#fff;border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.goods-section-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid #f0f0f0}
.goods-section-head h2{font-size:16px;font-weight:700;color:#333;margin:0;display:flex;align-items:center;gap:8px}
.goods-section-head h2::before{content:'';display:inline-block;width:4px;height:18px;background:#e4393c;border-radius:2px}
.goods-section-head a.more{font-size:13px;color:#999}
.goods-section-head a.more:hover{color:#e4393c}

/* 商品网格 */
.goods-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#f0f0f0}
.goods-grid.col-5{grid-template-columns:repeat(5,1fr)}
.goods-grid.col-3{grid-template-columns:repeat(3,1fr)}

/* 商品卡片 */
.goods-card{background:#fff;transition:box-shadow .25s,transform .25s;cursor:pointer;position:relative}
.goods-card:hover{box-shadow:var(--shadow-hover);z-index:2;transform:translateY(-2px)}
.goods-card a.card-link{display:block;padding:12px 12px 0}
.goods-card .card-img{width:100%;aspect-ratio:1/1;overflow:hidden;background:#fafafa;border-radius:4px;margin-bottom:8px}
.goods-card .card-img img{width:100%;height:100%;object-fit:contain;transition:transform .35s}
.goods-card:hover .card-img img{transform:scale(1.06)}
.goods-card .card-title{font-size:13px;color:#333;line-height:1.5;height:2.8em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:6px}
.goods-card .card-price{padding:0 12px 12px;display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.goods-card .price-now{font-size:20px;font-weight:700;color:#e4393c;font-family:Arial,sans-serif}
.goods-card .price-now::before{content:'¥';font-size:13px}
.goods-card .price-old{font-size:12px;color:#bbb;text-decoration:line-through}
.goods-card .price-old::before{content:'¥';font-size:11px}
.goods-card .card-btn{display:block;margin:0 12px 12px;padding:7px 0;background:#e4393c;color:#fff;text-align:center;border-radius:4px;font-size:13px;transition:background .2s}
.goods-card .card-btn:hover{background:#c0272a}

/* 商品标签 */
.goods-card .card-tags{position:absolute;top:8px;left:8px;display:flex;flex-direction:column;gap:3px}
.tag{display:inline-block;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:600;color:#fff;line-height:1.4}
.tag-hot{background:#e4393c}
.tag-new{background:#52c41a}
.tag-sale{background:#ff6600}
.tag-rec{background:#1890ff}

/* =====================================================
   商品列表页
   ===================================================== */
.list-page{max-width:1200px;margin:0 auto;padding:12px 15px}

/* 面包屑 */
.breadcrumb{background:#fff;padding:10px 16px;border-radius:var(--radius);margin-bottom:10px;font-size:13px;color:#999}
.breadcrumb a{color:#666}
.breadcrumb a:hover{color:#e4393c}
.breadcrumb .sep{margin:0 6px}

/* 排序栏 */
.sort-bar{background:#fff;padding:10px 16px;border-radius:var(--radius);margin-bottom:10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sort-bar .label{font-size:13px;color:#999;margin-right:4px}
.sort-btn{padding:5px 14px;border:1px solid #ddd;border-radius:4px;font-size:13px;color:#555;cursor:pointer;transition:all .2s;background:#fff}
.sort-btn:hover,.sort-btn.active{border-color:#e4393c;color:#e4393c;background:#fff5f5}

/* 列表商品网格 */
.list-goods-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}

/* =====================================================
   商品详情页
   ===================================================== */
.detail-page{max-width:1200px;margin:0 auto;padding:12px 15px}
.detail-wrap{background:#fff;border-radius:var(--radius);padding:24px;display:flex;gap:32px;margin-bottom:12px}
.detail-gallery{width:400px;flex-shrink:0}
.detail-gallery .main-img{width:100%;aspect-ratio:1/1;border:1px solid #eee;border-radius:var(--radius);overflow:hidden;background:#fafafa;margin-bottom:8px}
.detail-gallery .main-img img{width:100%;height:100%;object-fit:contain}
.detail-gallery .thumbs{display:flex;gap:6px;flex-wrap:wrap}
.detail-gallery .thumbs img{width:60px;height:60px;object-fit:contain;border:2px solid #eee;border-radius:4px;cursor:pointer}
.detail-gallery .thumbs img:hover,.detail-gallery .thumbs img.active{border-color:#e4393c}

.detail-info{flex:1;min-width:0}
.detail-info h1{font-size:20px;font-weight:700;color:#333;margin:0 0 12px;line-height:1.4}
.detail-price-box{background:#fafafa;border-radius:var(--radius);padding:16px;margin-bottom:16px}
.detail-price-box .price-label{font-size:13px;color:#999;margin-bottom:4px}
.detail-price-box .price-main{font-size:36px;font-weight:700;color:#e4393c;font-family:Arial,sans-serif}
.detail-price-box .price-main::before{content:'¥';font-size:20px}
.detail-price-box .price-market{font-size:13px;color:#bbb;text-decoration:line-through;margin-top:4px}
.detail-price-box .price-market::before{content:'市场价 ¥'}
.detail-meta{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;font-size:14px}
.detail-meta .row{display:flex;gap:8px}
.detail-meta .row .k{color:#999;width:70px;flex-shrink:0}
.detail-meta .row .v{color:#333}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn-buy{padding:12px 40px;background:#e4393c;color:#fff;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:background .2s}
.btn-buy:hover{background:#c0272a}
.btn-cart{padding:12px 40px;background:#ff6600;color:#fff;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:background .2s}
.btn-cart:hover{background:#e05500}
.btn-contact{padding:12px 32px;background:#fff;color:#e4393c;border:2px solid #e4393c;border-radius:4px;font-size:15px;cursor:pointer;transition:all .2s}
.btn-contact:hover{background:#e4393c;color:#fff}

/* 商品描述 */
.detail-desc{background:#fff;border-radius:var(--radius);padding:24px;margin-bottom:12px}
.detail-desc .tab-head{display:flex;border-bottom:2px solid #e4393c;margin-bottom:16px}
.detail-desc .tab-head span{padding:10px 24px;font-size:15px;cursor:pointer;color:#666}
.detail-desc .tab-head span.active{color:#e4393c;border-bottom:2px solid #e4393c;margin-bottom:-2px;font-weight:600}
.detail-desc .content{font-size:14px;line-height:1.8;color:#444}
.detail-desc .content img{max-width:100%;height:auto}

/* 推荐商品 */
.rec-section{background:#fff;border-radius:var(--radius);padding:16px;margin-bottom:12px}
.rec-section h3{font-size:15px;font-weight:700;margin:0 0 12px;color:#333;border-left:4px solid #e4393c;padding-left:10px}
.rec-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.rec-card{text-align:center;padding:8px}
.rec-card img{width:100%;aspect-ratio:1/1;object-fit:contain;border-radius:4px;background:#fafafa;margin-bottom:6px}
.rec-card .name{font-size:12px;color:#555;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.rec-card .price{font-size:14px;color:#e4393c;font-weight:700}
.rec-card .price::before{content:'¥';font-size:11px}

/* =====================================================
   PC 底部
   ===================================================== */
.mall-footer{background:#2d2d2d;color:#aaa;margin-top:20px}
.mall-footer .inner{max-width:1200px;margin:0 auto;padding:32px 15px 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.mall-footer h4{color:#fff;font-size:14px;margin:0 0 14px;padding-bottom:8px;border-bottom:1px solid #444}
.mall-footer ul li{margin-bottom:8px}
.mall-footer ul li a{color:#aaa;font-size:13px;transition:color .2s}
.mall-footer ul li a:hover{color:#fff}
.mall-footer .contact-info{font-size:13px;line-height:2}
.mall-footer .contact-info .phone{font-size:22px;color:#fff;font-weight:700;margin:8px 0}
.mall-footer-bottom{background:#222;text-align:center;padding:14px 15px;font-size:12px;color:#666}
.mall-footer-bottom a{color:#888}
.mall-footer-bottom a:hover{color:#aaa}

/* =====================================================
   手机端样式
   ===================================================== */
.m-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#e4393c;height:50px;display:flex;align-items:center;padding:0 12px;gap:10px}
.m-header .m-logo{color:#fff;font-size:16px;font-weight:700;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.m-header .m-search-btn,.m-header .m-cart-btn{color:#fff;font-size:20px;flex-shrink:0;position:relative}
.m-header .m-cart-badge{position:absolute;top:-4px;right:-6px;background:#ff6600;color:#fff;font-size:9px;min-width:14px;height:14px;border-radius:7px;display:flex;align-items:center;justify-content:center;padding:0 2px}

.m-search-bar{background:#e4393c;padding:0 12px 10px;display:none}
.m-search-bar.show{display:flex;gap:8px}
.m-search-bar input{flex:1;height:36px;border:none;border-radius:4px;padding:0 12px;font-size:14px;outline:none}
.m-search-bar button{height:36px;padding:0 16px;background:#c0272a;color:#fff;border:none;border-radius:4px;font-size:14px}

.m-body{padding-top:50px;padding-bottom:60px;background:#f5f5f5}

/* 手机端品牌导航 */
.m-brands{background:#fff;padding:12px;margin-bottom:8px;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
.m-brands::-webkit-scrollbar{display:none}
.m-brands a{display:inline-block;padding:5px 14px;border:1px solid #eee;border-radius:20px;font-size:13px;color:#555;margin-right:6px}
.m-brands a:hover{border-color:#e4393c;color:#e4393c}

/* 手机端商品网格 */
.m-goods-section{background:#fff;margin-bottom:8px;border-radius:var(--radius);overflow:hidden}
.m-goods-head{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 8px}
.m-goods-head h3{font-size:15px;font-weight:700;margin:0;color:#333;display:flex;align-items:center;gap:6px}
.m-goods-head h3::before{content:'';display:inline-block;width:3px;height:16px;background:#e4393c;border-radius:2px}
.m-goods-head a{font-size:12px;color:#999}
.m-goods-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#f0f0f0}
.m-goods-card{background:#fff;padding:10px}
.m-goods-card .img-wrap{width:100%;aspect-ratio:1/1;overflow:hidden;background:#fafafa;border-radius:4px;margin-bottom:8px}
.m-goods-card .img-wrap img{width:100%;height:100%;object-fit:contain}
.m-goods-card .name{font-size:13px;color:#333;line-height:1.4;height:2.6em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:6px}
.m-goods-card .price{font-size:18px;font-weight:700;color:#e4393c;font-family:Arial,sans-serif}
.m-goods-card .price::before{content:'¥';font-size:12px}
.m-goods-card .price-old{font-size:11px;color:#bbb;text-decoration:line-through}
.m-goods-card .price-old::before{content:'¥';font-size:10px}

/* 手机端底部导航 */
.m-footer-nav{position:fixed;bottom:0;left:0;right:0;z-index:1000;background:#fff;border-top:1px solid #eee;display:flex;height:56px}
.m-footer-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;color:#666;gap:2px;transition:color .2s}
.m-footer-nav a.active,.m-footer-nav a:hover{color:#e4393c}
.m-footer-nav .nav-icon{font-size:20px;line-height:1}
.m-footer-nav .cart-wrap{position:relative}
.m-footer-nav .cart-badge{position:absolute;top:-2px;right:-6px;background:#e4393c;color:#fff;font-size:9px;min-width:14px;height:14px;border-radius:7px;display:flex;align-items:center;justify-content:center;padding:0 2px}

/* =====================================================
   通用工具类
   ===================================================== */
.inner{max-width:1200px;margin:0 auto;padding:0 15px}
.clearfix::after{content:'';display:table;clear:both}
.text-red{color:#e4393c}
.text-gray{color:#999}
.mt8{margin-top:8px}
.mb8{margin-bottom:8px}
.mt12{margin-top:12px}
.mb12{margin-bottom:12px}

/* =====================================================
   响应式
   ===================================================== */
@media(max-width:1200px){
  .goods-grid{grid-template-columns:repeat(3,1fr)}
  .list-goods-grid{grid-template-columns:repeat(3,1fr)}
  .rec-grid{grid-template-columns:repeat(4,1fr)}
  .mall-footer .inner{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .mall-sidebar{display:none}
  .goods-grid{grid-template-columns:repeat(2,1fr)}
  .list-goods-grid{grid-template-columns:repeat(2,1fr)}
  .detail-wrap{flex-direction:column}
  .detail-gallery{width:100%}
  .mall-footer .inner{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .mall-header .inner{flex-wrap:wrap;gap:8px}
  .mall-search{order:3;max-width:100%;width:100%}
  .goods-grid{grid-template-columns:repeat(2,1fr)}
  .rec-grid{grid-template-columns:repeat(3,1fr)}
  .mall-footer .inner{grid-template-columns:1fr}
}