/*
Theme Name: MED Shop
Theme URI: https://example.com/med-shop
Author: Your Name
Author URI: https://example.com
Description: 简洁的 WooCommerce 商城主题，包含首页、产品列表、产品详情与结算页面。
Version: 0.1.0
Text Domain: med-shop
*/

/* 基础样式 */
:root{
  --bg:#ffffff;
  --text:#1a1a1a;
  --muted:#666666;
  --brand:#2f6fed;
  --border:#e5e7eb;
  --card:#f8fafc;
}

html{box-sizing:border-box}
*,*:before,*:after{box-sizing:inherit}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}

.site-header{border-bottom:1px solid var(--border);background:#fff}
.site-header .container{display:flex;align-items:center;gap:16px;padding:12px 16px}
.branding{flex:1}
.site-title{font-weight:700;text-decoration:none;color:var(--text);font-size:20px}
.site-description{margin:4px 0 0;color:var(--muted);font-size:12px}

/* 顶栏 */
.topbar{background:#f9fafb;border-bottom:1px solid var(--border);font-size:12px;color:#374151}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;padding:6px 16px}
.topbar__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__actions{display:flex;align-items:center;gap:8px}
.topbar__select{padding:4px 6px;border:1px solid var(--border);border-radius:6px;background:#fff}

.site-nav .menu{list-style:none;margin:0;padding:0;display:flex;gap:12px}
.site-nav .menu a{display:block;padding:8px 10px;color:var(--text);text-decoration:none;border-radius:6px}
.site-nav .menu a:hover{background:#f5f7fb}

.header-actions{display:flex;align-items:center;gap:10px}
.header-search input{height:32px;border:1px solid var(--border);border-radius:6px;padding:0 10px}
.header-actions .cart-link{color:#fff;background:var(--brand);padding:8px 12px;border-radius:6px;text-decoration:none}

.hero{padding:40px 0;border-bottom:1px solid var(--border)}
.hero h1{margin:0 0 8px}
.hero p{color:var(--muted);margin:0}

.site-main{padding:24px 0}
.site-footer{border-top:1px solid var(--border);margin-top:24px}
.site-footer .container{padding:16px}
.site-footer .menu{list-style:none;margin:0;padding:0;display:flex;gap:10px}
.site-footer p{color:var(--muted);font-size:12px}

/* 通用按钮 */
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;padding:10px 14px;border-radius:8px}
.btn:hover{opacity:.95}
.btn--ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}

/* 首页：图片网格 + 信息卡 */
.home-hero{padding:20px 0;border-bottom:1px solid var(--border)}
.home-hero__inner{display:grid;grid-template-columns:2fr 1fr;gap:20px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:12px}
.hero-grid__item{background:#f3f4f6;border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-grid__item img{width:100%;height:100%;object-fit:cover}
.hero-grid__placeholder{color:var(--muted);font-size:12px;padding:20px}
.hero-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}
.hero-card__title{margin:0 0 8px;font-size:20px}
.hero-card__desc{color:var(--muted);font-size:14px;margin:0 0 12px}

.section-header{display:flex;align-items:center;justify-content:space-between;margin:20px 0 12px}
.section-actions{margin-top:12px}

/* WooCommerce 商品列表布局（自适应列，避免卡片过窄） */
.woocommerce ul.products{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.woocommerce ul.products li.product{width:auto;border:1px solid var(--border);padding:12px;border-radius:10px;margin:0}
.woocommerce div.product{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.woocommerce div.product .product_title{margin-top:0}
.woocommerce a.button,.woocommerce button.button{background:var(--brand);color:#fff;border:none;border-radius:6px}

@media (max-width:900px){
  .woocommerce ul.products{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
  .woocommerce div.product{grid-template-columns:1fr}
}

/* 首页 Banner */
/* 旧 Banner 样式移除（改为图片网格布局） */
@media (max-width:700px){
  .home-hero__inner{grid-template-columns:1fr}
}

/* 首页：大图 Banner 样式 */
.home-hero--big{padding:20px 0;border-bottom:1px solid var(--border)}
.home-hero--big .home-hero__banner{border-radius:12px;overflow:hidden;background:#f3f4f6}
.home-hero--big .home-hero__banner img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}

/* 兼容性增强：在不支持 aspect-ratio 的浏览器上保持图片自适应 */
@supports not (aspect-ratio: 16/9) {
  .home-hero--big .home-hero__banner img{height:auto}
}

@media (max-width:700px){
  .home-hero--big{padding:12px 0}
}

@media (max-width:768px){
  .site-header .container{flex-wrap:wrap;gap:10px;padding:10px 12px}
  .branding{flex-basis:100%}
  .site-title{font-size:18px}
  .site-description{font-size:11px}

  /* 导航置于搜索上方，更符合手机端预期 */
  .site-nav{order:2;flex-basis:100%}
  .site-nav .menu{display:flex;flex-wrap:nowrap;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .site-nav .menu li{flex:0 0 auto}
  .site-nav .menu a{white-space:nowrap;word-break:keep-all;display:inline-block;padding:6px 10px;font-size:14px}

  .header-actions{order:3;flex-basis:100%;display:flex;align-items:center;gap:8px}
  .header-search{flex:1}
  .header-search input{width:100%;height:34px}
  .header-actions .cart-link{font-size:14px;padding:8px 10px}

  .topbar__inner{flex-wrap:wrap;gap:8px}
}