/* 古荡奶茶小店 - 全局样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #b06a2f;
  --primary-dark: #8f5323;
  --text: #3a2a1a;
  --text-light: #8a7a68;
  --bg: #faf7f3;
  --card: #ffffff;
  --border: #eee5da;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部导航 ===== */
.header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; height: 72px; gap: 40px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 34px; width: 44px; height: 44px; border-radius: 10px; object-fit: cover; }
.logo-text strong { font-size: 20px; display: block; letter-spacing: 2px; }
.logo-text span { font-size: 11px; color: var(--text-light); }
.nav { display: flex; gap: 36px; margin-left: auto; }
.nav a { font-size: 15px; padding: 24px 0; position: relative; color: var(--text); }
.nav a.active { color: var(--primary); font-weight: 600; }
.nav a.active::after {
  content: ""; position: absolute; left: 50%; bottom: 14px;
  transform: translateX(-50%); width: 24px; height: 3px;
  background: var(--primary); border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 22px; font-size: 20px; }
.cart-link { position: relative; cursor: pointer; }
.cart-badge {
  position: absolute; top: -6px; right: -10px;
  background: var(--primary); color: #fff;
  font-size: 11px; min-width: 17px; height: 17px; line-height: 17px;
  border-radius: 9px; text-align: center; padding: 0 4px;
}

/* ===== Hero ===== */
.hero {
  background: url("images/hero.jpg") center 30% / cover no-repeat;
  overflow: hidden; position: relative;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(250,245,235,.95) 0%, rgba(250,244,232,.82) 38%, rgba(250,244,232,.15) 65%, transparent 100%);
}
.hero-inner { display: flex; align-items: center; min-height: 400px; position: relative; z-index: 1; }
.hero-left { flex: 1; padding: 40px 0; }
.hero-left h1 { font-size: 52px; letter-spacing: 6px; margin-bottom: 14px; text-shadow: 0 1px 0 rgba(255,255,255,.6); }
.hero-left .slogan { font-size: 26px; letter-spacing: 4px; margin-bottom: 14px; }
.hero-left .slogan u { text-decoration: none; border-bottom: 3px solid var(--primary); }
.hero-left p { color: var(--text-light); margin-bottom: 28px; letter-spacing: 2px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff; border: none; cursor: pointer;
  padding: 13px 34px; border-radius: 24px; font-size: 16px; letter-spacing: 2px;
  transition: background .2s;
}
.btn-primary:hover { background: var(--primary-dark); }
.hero-right { flex: 1; }

/* 二级页横幅（更矮） */
.hero.slim::before {
  background: linear-gradient(90deg, rgba(250,245,235,.92) 0%, rgba(250,244,232,.75) 45%, rgba(250,244,232,.1) 100%);
}

/* ===== 服务保障条 ===== */
.features { background: var(--card); border-bottom: 1px solid var(--border); }
.features-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.feature {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 24px; justify-content: center;
}
.feature + .feature { border-left: 1px solid var(--border); }
.feature-icon { font-size: 26px; color: var(--primary); }
.feature strong { font-size: 15px; display: block; }
.feature span { font-size: 12px; color: var(--text-light); }

/* ===== 主布局：侧栏 + 内容 ===== */
.main { display: flex; gap: 30px; padding: 30px 0 60px; align-items: flex-start; }
.sidebar {
  width: 210px; flex-shrink: 0; background: var(--card);
  border-radius: 12px; padding: 12px; position: sticky; top: 92px;
}
.side-item {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px; border-radius: 10px; cursor: pointer;
  font-size: 15px; color: var(--text); margin-bottom: 4px;
  transition: background .15s;
}
.side-item:hover { background: #f6efe6; }
.side-item.active { background: linear-gradient(90deg, #d08a48, var(--primary)); color: #fff; font-weight: 600; }
.side-item .arrow { margin-left: auto; }

.content { flex: 1; }
.section-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 20px; }
.section-head h2 { font-size: 26px; }
.section-head .sub { color: var(--text-light); font-size: 14px; }
.section-head .more { margin-left: auto; font-size: 13px; color: var(--text-light); cursor: pointer; }

.sort-bar { margin-left: auto; display: flex; gap: 10px; }
.sort-btn {
  border: 1px solid var(--border); background: var(--card); cursor: pointer;
  padding: 7px 16px; border-radius: 18px; font-size: 13px; color: var(--text-light);
}
.sort-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ===== 商品卡片 ===== */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: var(--card); border-radius: 12px; overflow: hidden;
  transition: transform .2s, box-shadow .2s; cursor: pointer;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(140, 100, 50, .15); }
.card-img {
  height: 170px; overflow: hidden; user-select: none;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s; }
.card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 14px 16px 18px; }
.card-body h3 { font-size: 16px; margin-bottom: 5px; }
.card-body .desc { font-size: 12px; color: var(--text-light); margin-bottom: 10px; }
.price { color: var(--primary); font-weight: 700; font-size: 17px; }
.price::before { content: "¥"; font-size: 12px; margin-right: 2px; }
.btn-cart {
  width: 100%; margin-top: 12px; border: none; cursor: pointer;
  background: var(--primary); color: #fff; padding: 10px;
  border-radius: 20px; font-size: 14px; transition: background .2s;
}
.btn-cart:hover { background: var(--primary-dark); }

/* ===== 支付页 ===== */
.pay-title { padding: 30px 0 6px; }
.pay-title h1 { font-size: 30px; }
.pay-title p { color: var(--text-light); font-size: 14px; margin-top: 6px; }
.pay-layout { display: flex; gap: 24px; padding: 24px 0 50px; align-items: flex-start; }
.pay-left { flex: 1.4; display: flex; flex-direction: column; gap: 20px; }
.pay-right { flex: 1; }
.panel { background: var(--card); border-radius: 12px; padding: 22px 24px; }
.panel h3 { font-size: 17px; margin-bottom: 16px; }
.addr { display: flex; gap: 12px; align-items: flex-start; }
.addr .pin { color: var(--primary); font-size: 20px; }
.addr .name { font-weight: 600; margin-bottom: 4px; }
.addr .name span { margin-left: 12px; font-weight: 400; }
.addr .detail { color: var(--text-light); font-size: 14px; }
.addr .edit { margin-left: auto; color: var(--text-light); font-size: 13px; cursor: pointer; white-space: nowrap; }

.pay-method {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 18px; margin-bottom: 12px; cursor: pointer; font-size: 15px;
}
.pay-method.active { border-color: var(--primary); background: #fbf3ea; }
.pay-method .radio {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid #ccc; flex-shrink: 0;
}
.pay-method.active .radio { border-color: var(--primary); background: radial-gradient(circle, var(--primary) 45%, transparent 50%); }
.pay-method .m-icon {
  width: 30px; height: 30px; border-radius: 8px; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; font-style: normal;
}
.pay-method .m-wx { background: #09bb07; }
.pay-method .m-ali { background: #1677ff; }
.pay-method .m-card { background: #c0a17a; }
.pay-method .tag {
  font-size: 11px; color: var(--primary); border: 1px solid var(--primary);
  border-radius: 4px; padding: 1px 6px; font-style: normal;
}

.pay-summary { display: flex; justify-content: flex-end; align-items: baseline; gap: 10px; margin: 8px 0 16px; }
.pay-summary .amount { color: var(--primary); font-size: 30px; font-weight: 700; }
.btn-pay {
  width: 100%; border: none; cursor: pointer; background: var(--primary);
  color: #fff; font-size: 18px; letter-spacing: 4px;
  padding: 16px; border-radius: 10px; transition: background .2s;
}
.btn-pay:hover { background: var(--primary-dark); }
.pay-safe { text-align: center; color: var(--text-light); font-size: 12px; margin-top: 12px; }

.order-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); align-items: center; }
.order-item .thumb {
  width: 56px; height: 56px; border-radius: 8px; flex-shrink: 0; overflow: hidden;
}
.order-item .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.order-item .info { flex: 1; }
.order-item .info strong { font-size: 14px; display: block; }
.order-item .info span { font-size: 12px; color: var(--text-light); }
.order-item .money { text-align: right; font-size: 14px; }
.order-item .money em { display: block; font-style: normal; color: var(--text-light); font-size: 12px; }
.order-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; color: var(--text-light); }
.order-row.total { border-top: 1px solid var(--border); margin-top: 8px; padding-top: 14px; color: var(--text); font-size: 16px; }
.order-row.total .amount { color: var(--primary); font-size: 22px; font-weight: 700; }
.empty-tip { text-align: center; color: var(--text-light); padding: 40px 0; }

/* 页脚 */
.footer { background: #3a2a1a; color: #cbb89f; text-align: center; padding: 26px 20px 22px; font-size: 13px; letter-spacing: 1px; }
.footer .copyright { margin-bottom: 10px; }
.footer .beian { font-size: 12px; color: #9a8468; letter-spacing: .5px; }
.footer .beian a { color: #9a8468; transition: color .2s; }
.footer .beian a:hover { color: #e8d5b5; }
.footer .beian .sep { margin: 0 10px; opacity: .5; }

/* Toast */
.toast {
  position: fixed; left: 50%; top: 90px; transform: translateX(-50%) translateY(-20px);
  background: rgba(58, 42, 26, .92); color: #fff; padding: 12px 28px;
  border-radius: 24px; font-size: 14px; opacity: 0; pointer-events: none;
  transition: all .3s; z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .features-inner { grid-template-columns: repeat(2, 1fr); }
  .main, .pay-layout { flex-direction: column; }
  .sidebar { width: 100%; position: static; }
}