/* 小七商城 · 阿里国际站B2B店铺页风格 前台样式（复刻版式 v1） */
/* 配色：深绿主调 #1d5c34 / 品牌绿 #2f8f52 / 白底 / 橙红点缀 #ff6a00 */
:root {
  --green-dark: #14382b;
  --green: #1d5c34;
  --green-mid: #2f8f52;
  --green-light: #eaf5ee;
  --accent: #ff6a00;
  --accent-dark: #e05400;
  --text: #222;
  --muted: #777;
  --bg: #fff;
  --bg-gray: #f6f6f6;
  --border: #e6e6e6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶栏（深绿） ===== */
.topbar {
  background: var(--green-dark);
  color: #fff;
  font-size: 13px;
}
.topbar .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 44px;
}
.topbar .lang-select, .topbar .account a { color: rgba(255,255,255,.85); }
.topbar .account { display: flex; gap: 18px; }
.topbar .account a:hover { color: #fff; }

/* ===== 主导航（白底） ===== */
.mainnav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.mainnav .container {
  display: flex; align-items: center; gap: 30px; height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px; background: var(--green);
  color: #fff; border-radius: 8px; font-weight: 800; font-size: 26px;
  display: flex; align-items: center; justify-content: center;
}
.brand-name { font-weight: 800; font-size: 20px; color: var(--green-dark); }
.brand-name small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); letter-spacing: .1em; }
.nav-links { display: flex; gap: 26px; font-size: 15px; font-weight: 600; }
.nav-links a { color: #333; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a.active { color: var(--green); border-bottom-color: var(--green); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.search-box {
  display: flex; align-items: center; background: var(--green-light);
  border: 1px solid var(--green-mid); border-radius: 4px; overflow: hidden;
}
.search-box input { border: 0; background: transparent; padding: 8px 12px; width: 220px; font-size: 13px; outline: none; }
.search-box button { border: 0; background: var(--green); color: #fff; padding: 8px 16px; cursor: pointer; font-size: 13px; }
.cart-btn {
  position: relative; background: var(--accent); color: #fff;
  border-radius: 4px; padding: 8px 14px; font-weight: 600; font-size: 13px;
  display: flex; align-items: center; gap: 6px;
}
.cart-btn:hover { background: var(--accent-dark); }
.cart-btn .badge {
  position: absolute; top: -8px; right: -8px; background: #fff; color: var(--accent);
  border-radius: 50%; min-width: 20px; height: 20px; font-size: 12px;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

/* ===== 主 Banner（绿调大图轮播位） ===== */
.hero {
  position: relative;
  background: linear-gradient(120deg, #1d5c34 0%, #2f8f52 60%, #3fa86a 100%);
  color: #fff;
  padding: 90px 0;
  overflow: hidden;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 {
  font-size: 48px; font-weight: 800; line-height: 1.15;
  max-width: 640px; letter-spacing: -0.5px;
}
.hero .hero-sub { margin-top: 16px; font-size: 18px; opacity: .92; max-width: 560px; }
.hero .cta {
  display: inline-block; margin-top: 32px;
  background: var(--accent); color: #fff; padding: 14px 36px;
  border-radius: 4px; font-weight: 700; font-size: 16px;
}
.hero .cta:hover { background: var(--accent-dark); }
.hero .badges { display: flex; gap: 14px; margin-top: 28px; }
.hero .badge {
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.4);
  padding: 6px 14px; border-radius: 20px; font-size: 13px;
}
.hero .plant-deco {
  position: absolute; right: -40px; bottom: -30px; width: 420px; opacity: .5;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,.25));
}
.arrow { position: absolute; top: 50%; width: 46px; height: 46px; transform: translateY(-50%);
  background:#fff; color: var(--green); border-radius: 50%; display:flex; align-items:center; justify-content:center;
  cursor:pointer; box-shadow: 0 2px 8px rgba(0,0,0,.15); z-index:3; font-size:20px; }
.arrow.prev { left: 16px; }
.arrow.next { right: 16px; }
.hero-dots { position:absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display:flex; gap:8px; z-index:3;}
.hero-dots span { width:9px; height:9px; border-radius:50%; background: rgba(255,255,255,.5); }
.hero-dots span.active { background:#fff; }

/* ===== 统计条 ===== */
.stats { background: var(--green-dark); color: #fff; }
.stats .container { display: flex; flex-wrap: wrap; }
.stat { flex: 1; min-width: 160px; text-align: center; padding: 28px 12px; }
.stat .num { font-size: 32px; font-weight: 800; color: #fff; }
.stat .lbl { font-size: 13px; opacity: .8; margin-top: 4px; }

/* ===== 分区标题 ===== */
.section { padding: 60px 0; }
.section.gray { background: var(--bg-gray); }
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-head .kicker {
  display: inline-block; color: var(--green); font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; font-size: 13px; margin-bottom: 8px;
}
.sec-head h2 { font-size: 30px; font-weight: 800; color: var(--green-dark); }
.sec-head p { color: var(--muted); margin-top: 10px; max-width: 640px; margin-left:auto; margin-right:auto; }
.sec-head .more { display:inline-block; margin-top:14px; color: var(--green); font-weight:600; }

/* ===== 分类网格 ===== */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); background:#fff; transition: .2s; }
.cat-card:hover { box-shadow: 0 8px 20px rgba(0,0,0,.10); transform: translateY(-2px); }
.cat-card .cat-img { height: 190px; overflow: hidden; background: var(--green-light); }
.cat-card .cat-img img { width:100%; height:100%; object-fit: cover; }
.cat-card .cat-body { padding: 14px; }
.cat-card .cat-name { font-weight: 700; font-size: 16px; color: var(--green-dark); }
.cat-card .cat-count { font-size: 12px; color: var(--muted); margin-top: 3px; }
.cat-card .cat-tag {
  position:absolute; top:12px; left:12px; background: rgba(20,56,43,.85); color:#fff;
  font-size:12px; padding:5px 10px; border-radius: 4px;
}

/* ===== 热销商品网格 ===== */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.p-card {
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; transition: .2s; display: flex; flex-direction: column;
}
.p-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.12); transform: translateY(-3px); }
.p-card .p-img { position: relative; height: 220px; overflow: hidden; background: var(--bg-gray); }
.p-card .p-img img { width:100%; height:100%; object-fit: cover; transition: .3s; }
.p-card:hover .p-img img { transform: scale(1.05); }
.p-card .p-flash { position:absolute; top:12px; left:12px; background: var(--accent); color:#fff; font-size:12px; padding:4px 10px; border-radius:4px; }
.p-card .p-body { padding: 16px; flex: 1; display:flex; flex-direction: column; }
.p-card .p-name { font-size: 14px; font-weight: 600; line-height: 1.4; min-height: 38px; color: #333; }
.p-card .p-name:hover { color: var(--green); }
.p-card .p-price { margin-top: 10px; color: var(--accent); font-weight: 800; font-size: 20px; }
.p-card .p-price small { font-size: 12px; color: var(--muted); font-weight: 500; }
.p-card .p-moq { font-size: 12px; color: var(--muted); margin-top: 4px; }
.p-card .p-foot { margin-top: auto; padding-top: 12px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); }
.p-card .p-sold { font-size: 12px; color: var(--muted); }
.p-card .p-btn {
  background: var(--green); color:#fff; border:0; border-radius: 6px; padding: 8px 14px;
  cursor: pointer; font-size: 13px; font-weight: 600;
}
.p-card .p-btn:hover { background: var(--green-mid); }

/* ===== 公司简介 ===== */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about .about-img img { border-radius: 12px; box-shadow: 0 12px 30px rgba(0,0,0,.12); width:100%; }
.about h2 { font-size: 30px; font-weight: 800; color: var(--green-dark); }
.about .lead { color: var(--green); font-weight: 700; margin: 12px 0 18px; font-size: 18px; }
.about p { color: var(--muted); line-height: 1.8; margin-bottom: 14px; }
.about .chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.chip { background: var(--green-light); color: var(--green); padding: 8px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; }

/* ===== 数据面板 ===== */
.facts { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; margin-top:40px; }
.fact { text-align:center; background: var(--green-light); border-radius: 10px; padding: 24px 10px; }
.fact .f-num { font-size: 34px; font-weight: 800; color: var(--green); }
.fact .f-lbl { font-size: 13px; color: var(--green-dark); margin-top: 6px; }

/* ===== 定制流程 ===== */
.flow { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.flow-step { text-align: center; }
.flow-step .step-num {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--green); color:#fff; font-size: 26px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.flow-step h4 { color: var(--green-dark); font-weight: 700; margin-bottom: 8px; }
.flow-step p { color: var(--muted); font-size: 14px; }

/* ===== 联系区 ===== */
.contact { background: var(--green-dark); color: #fff; padding: 70px 0; }
.contact .container { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; }
.contact h2 { font-size: 30px; font-weight: 800; }
.contact .c-sub { opacity:.85; margin-top: 12px; }
.contact-list { margin-top: 28px; display: grid; gap: 16px; }
.contact-row { display: flex; gap: 12px; align-items: center; }
.contact-row .ic { font-size: 20px; }
.contact-form { background: rgba(255,255,255,.08); border-radius: 12px; padding: 28px; }
.contact-form label { font-size: 13px; opacity: .8; display:block; margin-bottom:6px; }
.contact-form input, .contact-form textarea {
  width:100%; border:0; border-radius:6px; padding:11px 12px; margin-bottom:16px;
  background: rgba(255,255,255,.95); color:#333; font-size:14px; outline:none;
}
.contact-form textarea { resize: vertical; height: 90px; }
.contact-form button { width:100%; border:0; background: var(--accent); color:#fff; padding: 13px; border-radius:6px; font-weight:700; cursor:pointer; font-size:15px; }
.contact-form button:hover { background: var(--accent-dark); }

/* ===== 底部 ===== */
.footer { background: #10281d; color: rgba(255,255,255,.7); padding: 50px 0 26px; font-size: 13px; }
.footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer h5 { color:#fff; font-size:15px; margin-bottom:16px; }
.footer a { display:block; margin-bottom: 10px; color: rgba(255,255,255,.7); }
.footer a:hover { color:#fff; }
.footer .brand-name { color:#fff; margin-bottom:6px; }
.footer .copyright { border-top:1px solid rgba(255,255,255,.15); margin-top:36px; padding-top:20px; text-align:center; }

/* ===== flash ===== */
.flash { max-width: 1280px; margin: 16px auto 0; padding: 0 20px; }
.flash-msg { background: #fff5e8; border:1px solid #ffd9ad; color:#8a4d00; border-radius:6px; padding: 12px 16px; margin-bottom: 8px; font-size: 14px; }

/* ===== 商品详情/购物车/结算 ===== */
.back-link { margin-bottom: 24px; }
.back-link a { color: var(--green); font-weight: 600; }
.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.detail-img img { width:100%; border-radius: 12px; border:1px solid var(--border); }
.detail-info h1 { font-size: 26px; font-weight: 800; color: var(--green-dark); line-height:1.3; }
.price-row.big { margin: 18px 0; }
.price-row .price { color: var(--accent); font-weight: 800; font-size: 30px; }
.price-row .orig { color: #aaa; text-decoration: line-through; margin-left: 10px; font-size: 15px; }
.detail-info .desc { color: var(--muted); line-height: 1.8; margin-bottom: 14px; }
.detail-info .muted { color: var(--muted); margin-bottom: 20px; }
.buy-form { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.buy-form label { font-weight: 600; color: #333; }
.buy-form .qty { width: 90px; padding: 10px; border:1px solid var(--border); border-radius:6px; font-size:15px; }
.btn { display:inline-block; padding: 12px 26px; border-radius:6px; font-weight:700; font-size:15px; border:0; cursor:pointer; }
.btn.primary { background: var(--accent); color:#fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.secondary { background: #fff; color: var(--green); border:1px solid var(--green); }
/* 购物车/结算表格 */
.cart-table { width:100%; border-collapse: collapse; }
.cart-table th, .cart-table td { padding: 14px; border-bottom:1px solid var(--border); text-align:left; }
.cart-table th { background: var(--green-light); color: var(--green-dark); }
.cart-table td img { width: 60px; height:60px; object-fit:cover; border-radius:6px; }
.cart-total { text-align:right; font-size:20px; font-weight:800; margin-top:20px; padding:20px; background: var(--green-light); border-radius:10px; }
.cart-total .amt { color: var(--accent); }
.empty { color: var(--muted); text-align:center; padding: 50px 0; }
.checkout-form .row { margin-bottom: 18px; }
.checkout-form label { display:block; font-weight:600; color:#333; margin-bottom:6px; }
.checkout-form input, .checkout-form textarea {
  width:100%; padding: 12px; border:1px solid var(--border); border-radius:6px; font-size:14px;
}
.order-ok-card { max-width:560px; margin:40px auto; text-align:center; padding:40px; background:#f7fbf8; border-radius:14px; border:1px solid var(--green-mid); }
.order-ok-card .order-no { font-size:22px; font-weight:800; color: var(--green); margin:12px 0; }
.order-ok-card .note { color: var(--muted); }

/* ===== 响应式 ===== */
@media (max-width: 1000px) {
  .cat-grid, .product-grid { grid-template-columns: repeat(2,1fr); }
  .about, .contact .container { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2,1fr); }
  .facts { grid-template-columns: repeat(2,1fr); }
  .hero h1 { font-size: 34px; }
}
@media (max-width: 600px) {
  .cat-grid, .product-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .search-box { display: none; }
  .footer .container { grid-template-columns: 1fr; }
}