/* ==========================================================================
   金泽云海 · 企悦团购官方商城
   主题色与小程序保持一致：#ff6700
   ========================================================================== */
:root{
  --primary:#ff6700;
  --primary-dark:#e55a00;
  --primary-soft:#fff3ec;
  --text:#222;
  --text-2:#666;
  --text-3:#999;
  --bg:#f5f5f5;
  --white:#fff;
  --border:#eee;
  --radius:12px;
  --shadow:0 4px 16px rgba(0,0,0,.06);
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  color:var(--text);background:var(--white);line-height:1.6;font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------------- 导航 ---------------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{width:38px;height:38px;border-radius:9px}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;display:flex;align-items:baseline;gap:8px}
.brand-text small{font-size:12px;font-weight:600;color:var(--primary);border:1px solid var(--primary);border-radius:4px;padding:1px 5px;letter-spacing:1px}
.nav-menu{display:flex;gap:28px}
.nav-menu a{font-size:15px;color:var(--text-2);font-weight:500;transition:color .2s;position:relative}
.nav-menu a:hover{color:var(--primary)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- 首屏 ---------------- */
.hero{background:linear-gradient(135deg,#fff6f0 0%,#ffe9d9 55%,#ffdfc7 100%);padding:64px 0 72px}
.hero-inner{display:flex;align-items:center;gap:48px}
.hero-text{flex:1}
.hero h1{font-size:42px;font-weight:800;letter-spacing:1px;margin-bottom:14px}
.slogan{font-size:20px;color:var(--primary);font-weight:700;margin-bottom:14px}
.hero .sub{color:var(--text-2);font-size:15px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 28px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:transform .15s,box-shadow .2s,background .2s;text-align:center}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(255,103,0,.32)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff}
.hero-card{flex:0 0 380px;display:flex;gap:14px}
.hero-card-img{flex:1;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.hero-card-img img{width:100%;height:340px;object-fit:cover}
.hero-card-row{flex:0 0 120px;display:flex;flex-direction:column;gap:14px}
.hero-card-row img{width:120px;height:163px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}

/* ---------------- 服务承诺 ---------------- */
.promise{background:#fff;border-bottom:1px solid var(--border)}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 20px}
.promise-item{display:flex;align-items:center;gap:12px}
.pico{width:44px;height:44px;flex:0 0 44px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}
.promise-item b{font-size:15px}
.promise-item p{font-size:12.5px;color:var(--text-3);margin-top:1px}

/* ---------------- 通用分区 ---------------- */
.section{padding:60px 0}
.section-gray{background:var(--bg)}
.section-title{text-align:center;font-size:28px;font-weight:800;margin-bottom:12px}
.section-title.left{text-align:left}
.section-title span{position:relative;padding:0 18px}
.section-title.center::before,.section-title span::before{content:"";position:absolute;left:-6px;top:50%;width:4px;height:22px;background:var(--primary);border-radius:2px;transform:translateY(-50%)}
.section-title.left span{padding-left:18px;padding-right:0}
.section-title.left span::before{left:0}
.section-desc{text-align:center;color:var(--text-2);margin-bottom:34px}

/* ---------------- 分类 ---------------- */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.cat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 14px;text-align:center;transition:transform .2s,box-shadow .2s,border-color .2s}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--primary)}
.cat-emoji{display:block;font-size:38px;margin-bottom:10px}
.cat-card b{font-size:16px}
.cat-card p{font-size:12.5px;color:var(--text-3);margin-top:4px}

/* ---------------- 工具栏 ---------------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin:26px 0 22px}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{border:1px solid var(--border);background:#fff;color:var(--text-2);padding:7px 18px;border-radius:999px;font-size:14px;cursor:pointer;transition:.2s}
.tab:hover{border-color:var(--primary);color:var(--primary)}
.tab.active{background:var(--primary);border-color:var(--primary);color:#fff}
.search-box input{width:230px;padding:9px 16px;border:1px solid var(--border);border-radius:999px;font-size:14px;outline:none;transition:border-color .2s}
.search-box input:focus{border-color:var(--primary)}

/* ---------------- 商品网格 ---------------- */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.product-img{background:#fafafa;aspect-ratio:1;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.product-card:hover .product-img img{transform:scale(1.05)}
.product-body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.product-body h3{font-size:15.5px;font-weight:600;line-height:1.4}
.spec{font-size:12.5px;color:var(--text-3);margin:5px 0 12px}
.product-foot{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px;margin-top:auto}
.price{color:var(--primary);font-size:21px;font-weight:800}
.price small{font-size:13px;font-weight:700;margin-right:1px}
.stock{font-size:12px;color:var(--text-3)}
.btn-detail{width:100%;padding:9px 0;border-radius:8px;border:1px solid var(--primary);background:var(--primary-soft);color:var(--primary);font-size:14px;font-weight:600;cursor:pointer;transition:.2s}
.btn-detail:hover{background:var(--primary);color:#fff}
.empty-tip{text-align:center;color:var(--text-3);padding:50px 0}
.more-note{text-align:center;color:var(--text-3);font-size:13px;margin-top:26px}

/* ---------------- 购物指南 ---------------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:26px;counter-reset:step}
.steps li{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 18px;position:relative}
.steps b{color:var(--primary);font-size:15.5px}
.steps p{font-size:13px;color:var(--text-2);margin-top:8px}

/* ---------------- 关于我们 ---------------- */
.about{display:flex;gap:40px;align-items:flex-start}
.about-text{flex:1}
.about-text p{color:var(--text-2);margin:12px 0}
.about-list{list-style:none;margin-top:16px}
.about-list li{padding:8px 0 8px 26px;position:relative;color:var(--text-2);font-size:14px;border-bottom:1px dashed var(--border)}
.about-list li::before{content:"●";color:var(--primary);position:absolute;left:4px;top:8px;font-size:10px}
.contact-card{flex:0 0 340px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.contact-card h3{font-size:17px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.contact-card dl{font-size:14px}
.contact-card dt{color:var(--text-3);font-size:12.5px;margin-top:12px}
.contact-card dd{color:var(--text);margin-top:2px}

/* ---------------- 页脚 / 备案 ---------------- */
.footer{background:#1f2124;color:#b7b9bd;padding:44px 0 30px;text-align:center}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand img{width:28px;height:28px;border-radius:6px}
.footer-links{display:flex;justify-content:center;gap:24px;font-size:14px;margin-bottom:18px}
.footer-links a:hover{color:var(--primary)}
.beian{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;margin-bottom:10px}
.beian a{color:#b7b9bd}
.beian a:hover{color:var(--primary)}
.beian-sep{opacity:.4}
.police{display:inline-flex;align-items:center;gap:5px}
.police-badge{color:#c8a15a}
.copyright{font-size:12.5px;color:#7e8085}

/* ---------------- 详情弹窗 ---------------- */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.5)}
.modal-box{position:relative;background:#fff;border-radius:var(--radius);max-width:680px;width:100%;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-close{position:absolute;right:14px;top:10px;background:none;border:0;font-size:30px;line-height:1;color:var(--text-3);cursor:pointer}
.modal-close:hover{color:var(--text)}
.modal-grid{display:flex;gap:26px}
.modal-grid img{width:260px;height:260px;object-fit:cover;border-radius:10px;background:#fafafa;flex:0 0 260px}
.modal-grid h3{font-size:20px}
.modal-grid .spec{margin:8px 0 14px}
.modal-desc{color:var(--text-2);font-size:14px;margin-bottom:18px}
.modal-price{color:var(--primary);font-size:30px;font-weight:800}
.modal-price span{margin-left:2px}
.modal-tip{margin-top:18px;font-size:13px;color:#fff;background:var(--primary);border-radius:8px;padding:10px 14px;text-align:center}

/* ---------------- 响应式 ---------------- */
@media (max-width: 980px){
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .hero-card{display:none}
  .about{flex-direction:column}
  .contact-card{flex:1;width:100%}
}
@media (max-width: 680px){
  .nav-menu{position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none}
  .nav-menu.show{display:flex}
  .nav-menu a{padding:13px 24px}
  .nav-toggle{display:flex}
  .hero{padding:44px 0 50px}
  .hero h1{font-size:30px}
  .slogan{font-size:17px}
  .section{padding:44px 0}
  .section-title{font-size:23px}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .search-box input{width:100%}
  .search-box{width:100%}
  .modal-grid{flex-direction:column}
  .modal-grid img{width:100%;height:auto;flex:0 0 auto}
  .price{font-size:18px}
}