:root{
  --primary:#1F7A6E;
  --primary-d:#176159;
  --accent:#E8943A;
  --ink:#23312f;
  --muted:#6b7c79;
  --line:#e4ebe9;
  --bg:#f6f9f8;
  --card:#ffffff;
  --radius:14px;
  --shadow:0 6px 22px rgba(31,122,110,.08);
  --shadow-h:0 10px 30px rgba(31,122,110,.16);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:15px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--primary);color:#fff;border:none;border-radius:10px;
  padding:11px 22px;font-size:15px;cursor:pointer;transition:.2s;font-weight:600;
}
.btn:hover{background:var(--primary-d);transform:translateY(-1px)}
.btn-mini{padding:7px 16px;font-size:13px;border-radius:8px}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-warm{background:var(--accent);color:#fff}
.btn-warm:hover{background:#d6832b}
.btn-block{width:100%}
.link-btn{background:none;border:none;cursor:pointer;color:var(--primary);font-size:15px;font-weight:600}

/* ---------- 页头 ---------- */
#site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--primary);font-size:20px}
.brand-name{letter-spacing:1px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink);font-weight:500;position:relative;padding:6px 0}
.nav a:hover{color:var(--primary)}
.nav-cart{display:inline-flex;align-items:center;gap:6px;background:var(--bg);
  padding:8px 14px;border-radius:20px;border:1px solid var(--line)}
.cart-badge{background:var(--accent);color:#fff;border-radius:10px;font-size:12px;
  min-width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}
.header-right{display:flex;align-items:center;gap:12px}
.user-menu{position:relative}
.caret{display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--primary);margin-left:4px}
.user-drop{position:absolute;right:0;top:42px;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow);min-width:140px;display:none;overflow:hidden}
.user-drop.show{display:block}
.user-drop a{display:block;padding:10px 16px;color:var(--ink);border-bottom:1px solid var(--line)}
.user-drop a:last-child{border-bottom:none}
.user-drop a:hover{background:var(--bg);color:var(--primary)}
.menu-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px}

/* ---------- 通用区块 ---------- */
section{padding:54px 0}
.section-head{text-align:center;margin-bottom:34px}
.section-head h2{font-size:26px;margin:0 0 8px;color:var(--ink)}
.section-head p{color:var(--muted);margin:0}
.eyebrow{color:var(--primary);font-weight:700;letter-spacing:2px;font-size:13px;text-transform:uppercase}

/* ---------- 首页 Hero ---------- */
.hero{background:linear-gradient(135deg,#e9f4f1,#f6f9f8);padding:70px 0 60px;position:relative;overflow:hidden}
.hero .wrap{display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.hero-copy{flex:1;min-width:300px}
.hero-copy h1{font-size:38px;line-height:1.25;margin:0 0 16px;color:var(--ink)}
.hero-copy h1 .hl{color:var(--primary)}
.hero-copy p{font-size:17px;color:var(--muted);margin:0 0 26px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:30px;margin-top:30px}
.hero-stats .s b{display:block;font-size:24px;color:var(--primary)}
.hero-stats .s span{color:var(--muted);font-size:13px}
.hero-art{flex:0 0 300px;display:flex;justify-content:center}
.hero-badge{width:280px;height:280px;border-radius:24px;background:#fff;box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center}
.hero-badge svg{width:170px;height:170px}

/* ---------- 模块卡片 ---------- */
.module-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.module-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);transition:.2s;display:flex;gap:20px;align-items:flex-start}
.module-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.module-ico{flex:0 0 56px;width:56px;height:56px;border-radius:14px;background:#e9f4f1;
  display:flex;align-items:center;justify-content:center;color:var(--primary)}
.module-card h3{margin:0 0 8px;font-size:20px}
.module-card p{margin:0 0 14px;color:var(--muted);font-size:14px}
.module-card .sub{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tag{font-size:12px;background:var(--bg);color:var(--muted);padding:4px 10px;border-radius:20px;border:1px solid var(--line)}

/* ---------- 分类导航 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 16px;text-align:center;box-shadow:var(--shadow);transition:.2s;cursor:pointer}
.cat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);color:var(--primary)}
.cat-ico{width:46px;height:46px;margin:0 auto 10px;color:var(--primary);
  background:#e9f4f1;border-radius:12px;display:flex;align-items:center;justify-content:center}
.cat-item span{font-weight:600}

/* ---------- 卡片网格（商品/信息） ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.card .thumb{aspect-ratio:1/1;overflow:hidden;background:#eef3f2;position:relative}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-weight:600;font-size:15px;line-height:1.45;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}
.card-meta{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.price{color:var(--accent);font-weight:700;font-size:17px}
.price small{color:var(--muted);font-weight:400;text-decoration:line-through;font-size:12px;margin-left:6px}
.merchant-line{font-size:12px;color:var(--muted)}
.mask-phone{color:var(--primary);font-weight:600}

/* ---------- 筛选条 ---------- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:24px}
.search-box{flex:1;min-width:220px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 14px}
.search-box input{border:none;outline:none;flex:1;font-size:14px;background:none}
.chip{padding:8px 16px;border:1px solid var(--line);background:#fff;border-radius:20px;
  cursor:pointer;font-size:13px;color:var(--muted);transition:.2s}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ---------- 商品详情 ---------- */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
/* 商品图：竖向滑动查看全部细节图 */
.gallery{display:flex;flex-direction:column;gap:12px;max-height:calc(100vh - 120px);overflow-y:auto;padding-right:4px}
.gallery .pd-shot{width:100%;border:1px solid var(--line);border-radius:var(--radius);background:#eef3f2;display:block}
.gallery::-webkit-scrollbar{width:6px}
.gallery::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.pd-info h1{font-size:24px;margin:0 0 10px}
.pd-price{font-size:28px;color:var(--accent);font-weight:800;margin-bottom:6px}
.pd-price small{color:var(--muted);font-weight:400;font-size:15px;text-decoration:line-through;margin-left:10px}
.pd-tags{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.pd-row{display:flex;gap:10px;align-items:center;margin:14px 0;color:var(--muted);font-size:14px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:34px;height:34px;border:none;background:var(--bg);font-size:18px;cursor:pointer;color:var(--ink)}
.qty input{width:48px;height:34px;border:none;text-align:center;outline:none;font-size:15px}
.pd-buy{display:flex;gap:12px;margin:20px 0}
.pd-block{background:var(--bg);border-radius:12px;padding:16px 18px;margin-top:14px;font-size:14px;color:var(--muted)}
.pd-block h4{margin:0 0 8px;color:var(--ink);font-size:15px}
.pd-detail{margin-top:50px}
.pd-detail h3{font-size:20px;margin-bottom:14px}
.pd-detail p{color:var(--muted);white-space:pre-line;line-height:1.9}
.merchant-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:14px;display:flex;justify-content:space-between;align-items:center}

/* 商家信息栏目 */
.merchant-info{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-top:16px}
.merchant-info h4{margin:0 0 14px;font-size:16px;color:var(--ink);display:flex;align-items:center;gap:8px}
.merchant-info h4::before{content:"";width:4px;height:16px;background:var(--primary);border-radius:2px;display:inline-block}
.mi-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.mi-avatar{width:46px;height:46px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex:0 0 auto}
.mi-name{font-size:16px;font-weight:700;color:var(--ink);line-height:1.3}
.mi-rows{display:flex;flex-direction:column;gap:10px}
.mi-row{display:flex;justify-content:space-between;font-size:14px;color:var(--muted)}
.mi-row span:last-child{color:var(--ink);font-weight:500}
.mi-phone{cursor:pointer}
.mi-phone.mi-locked{color:var(--primary);font-weight:600}
.mi-note{margin-top:14px;font-size:12px;color:var(--muted);background:var(--bg);border-radius:8px;padding:10px 12px;line-height:1.6}
.mi-more{width:100%;text-align:center;margin-top:12px;box-sizing:border-box}

/* ---------- 购物车 ---------- */
.cart-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cart-table th,.cart-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.cart-table th{background:var(--bg);color:var(--muted);font-weight:600}
.cart-prod{display:flex;align-items:center;gap:12px}
.cart-prod img{width:64px;height:64px;object-fit:cover;border-radius:8px}
.cart-summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-top:24px}
.cart-summary .row{display:flex;justify-content:space-between;padding:8px 0;color:var(--muted)}
.cart-summary .total{font-size:22px;color:var(--accent);font-weight:800;border-top:1px dashed var(--line);margin-top:8px;padding-top:14px}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty svg{width:90px;height:90px;color:#cdd8d6;margin-bottom:14px}

/* ---------- 信息详情 ---------- */
.detail-hero img{width:100%;max-height:420px;object-fit:cover;border-radius:var(--radius);background:#eef3f2}
.detail-body{max-width:820px;margin:26px auto 0}
.detail-body h1{font-size:26px;margin:0 0 10px}
.detail-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:18px}
.detail-content{white-space:pre-line;line-height:1.95;color:#3a4a48;font-size:16px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-top:26px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.contact-card .who b{font-size:16px;color:var(--ink)}
.contact-card .who div{color:var(--muted);font-size:13px;margin-top:4px}
.phone-reveal{color:var(--accent);font-weight:700;font-size:18px}
.login-hint{font-size:13px;color:var(--muted)}

/* ---------- 表单 / 鉴权 ---------- */
.form-wrap{max-width:440px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.form-wrap h2{margin:0 0 6px;font-size:24px;text-align:center}
.form-wrap .sub{text-align:center;color:var(--muted);margin:0 0 22px;font-size:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;padding:11px 14px;border:1px solid var(--line);
  border-radius:9px;font-size:14px;outline:none;background:#fff;font-family:inherit}
.field input:focus,.field textarea:focus{border-color:var(--primary)}
.field textarea{min-height:120px;resize:vertical}
.agree{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--muted);margin:6px 0 18px}
.agree input{margin-top:4px}
.agree a{color:var(--primary)}
.form-foot{text-align:center;font-size:14px;color:var(--muted);margin-top:18px}
.form-foot a{color:var(--primary);font-weight:600}
.note{background:#e9f4f1;color:var(--primary-d);border-radius:10px;padding:12px 14px;font-size:13px;margin-bottom:16px}

/* ---------- 关于我们 ---------- */
.about-hero{background:linear-gradient(135deg,#e9f4f1,#f6f9f8);padding:54px 0}
.about-hero h1{font-size:30px;margin:0 0 10px}
.about-hero p{color:var(--muted);max-width:720px}
.info-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:20px}
.info-table th,.info-table td{padding:14px 18px;border-bottom:1px solid var(--line);font-size:14px;text-align:left}
.info-table th{width:160px;background:var(--bg);color:var(--muted);font-weight:600}
.prose{max-width:820px;line-height:1.95;color:#3a4a48}
.prose p{margin:0 0 14px}

/* ---------- 关于我们增强 ---------- */
.about-section{padding:54px 0}
.about-section.alt{background:#fff}
.about-story{max-width:820px;margin:0 auto;text-align:center;line-height:1.95;color:#3a4a48;font-size:16px}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.2s}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.value-card .ico{width:48px;height:48px;border-radius:12px;background:#e9f4f1;display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:14px}
.value-card h4{margin:0 0 8px;font-size:16px;color:var(--ink)}
.value-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.commit-list{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px;box-shadow:var(--shadow)}
.commit-list li{margin-bottom:12px;color:#3a4a48;line-height:1.7}
.commit-list li:last-child{margin-bottom:0}
.contact-strip{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;box-shadow:var(--shadow)}
.contact-item{font-size:14px;color:var(--muted)}
.contact-item b{display:block;color:var(--ink);font-weight:600;margin-bottom:4px;font-size:15px}

/* ---------- 页脚 ---------- */
#site-footer{background:#13342f;color:#cfe0dc;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:30px;padding:46px 20px 30px}
.brand-foot{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.foot-intro{font-size:13px;line-height:1.8;color:#a9c2bd;max-width:360px}
#site-footer h4{color:#fff;font-size:15px;margin:0 0 14px}
#site-footer ul{list-style:none;padding:0;margin:0}
#site-footer li{font-size:13px;margin-bottom:9px;color:#a9c2bd}
#site-footer a:hover{color:#fff}
.foot-bar{border-top:1px solid #24453f;padding:16px 20px;display:flex;justify-content:center;
  flex-wrap:wrap;gap:8px;font-size:12px;color:#8faaa4}

/* ---------- 提示 toast ---------- */
.mm-toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:12px 22px;border-radius:24px;font-size:14px;
  opacity:0;transition:.3s;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.mm-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .contact-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .nav{position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:10px 20px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-toggle{display:flex}
  .header-right .btn-mini{display:none}
  .hero-copy h1{font-size:30px}
  .hero-art{display:none}
  .module-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .pd{grid-template-columns:1fr;gap:24px}
  .gallery{max-height:none;overflow:visible;padding-right:0}
  .footer-grid{grid-template-columns:1fr}
  .value-grid{grid-template-columns:1fr}
  .contact-strip{grid-template-columns:1fr}
  .cart-table thead{display:none}
  .cart-table,.cart-table tbody,.cart-table tr,.cart-table td{display:block;width:100%}
  .cart-table tr{border-bottom:8px solid var(--bg)}
  .cart-table td{border:none;padding:8px 14px}
}