/* 卤百鲜官网 · 国潮红金设计系统 */
:root {
  --red: #C8322B;
  --red-deep: #A8281F;
  --red-darker: #7A1E12;
  --gold: #E8B84B;
  --gold-light: #F3D58A;
  --gold-soft: #FBF4E6;
  --paper: #FFFDF8;
  --cream: #FBF1DF;
  --ink: #2A1A12;
  --ink-soft: #5A4636;
  --line: #EAD9B8;
  --shadow: 0 10px 30px rgba(122, 30, 18, 0.10);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", "宋体", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "微软雅黑", sans-serif;
  --maxw: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 253, 248, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .seal {
  width: 42px; height: 42px; border-radius: 8px;
  background: var(--red); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  box-shadow: inset 0 0 0 2px var(--gold-light);
}
.brand .name {
  font-family: var(--serif); font-size: 22px; font-weight: 700;
  color: var(--red); letter-spacing: 2px;
}
.brand .name small { display: block; font-size: 11px; letter-spacing: 1px; color: var(--ink-soft); font-weight: 400; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  position: relative; font-size: 15px; color: var(--ink); padding: 6px 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--gold); transform: scaleX(0); transition: transform .2s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--red); }
.nav-cta { margin-left: 8px; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); display: block; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 500;
  cursor: pointer; border: 1px solid transparent; transition: transform .15s ease, box-shadow .2s ease;
  font-family: var(--sans);
}
.btn:hover { transform: translateY(-2px); }
.btn-gold { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: var(--red-darker); box-shadow: 0 8px 20px rgba(232, 184, 75, .35); }
.btn-red { background: var(--red); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--gold); color: var(--gold); }
.btn-ghost:hover { background: rgba(232, 184, 75, .12); }
.btn-line { background: #fff; border-color: var(--red); color: var(--red); }
.btn-line:hover { background: var(--gold-soft); }

/* ---------- 分区通用 ---------- */
.section { padding: 76px 0; }
.section.alt { background: var(--gold-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 46px; }
.section-head .kicker {
  display: inline-block; color: var(--red); font-size: 13px; letter-spacing: 4px;
  border: 1px solid var(--red); border-radius: 999px; padding: 4px 16px; margin-bottom: 16px;
}
.section-head h2 { font-family: var(--serif); font-size: 30px; color: var(--ink); margin-bottom: 12px; }
.section-head p { color: var(--ink-soft); font-size: 15px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 120% at 80% 0%, #D6443B 0%, var(--red) 40%, var(--red-deep) 100%);
  color: #fff;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(243, 213, 138, .12) 1px, transparent 1px);
  background-size: 22px 22px; opacity: .6;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding: 92px 20px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; color: var(--gold-light);
  font-size: 14px; letter-spacing: 2px; margin-bottom: 18px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.hero h1 { font-family: var(--serif); font-size: 52px; line-height: 1.2; color: #fff; margin-bottom: 18px; letter-spacing: 2px; }
.hero h1 em { font-style: normal; color: var(--gold-light); }
.hero p.lead { font-size: 17px; color: rgba(255,255,255,.9); max-width: 520px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 30px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats .num { font-family: var(--serif); font-size: 28px; color: var(--gold-light); font-weight: 700; }
.hero-stats .lbl { font-size: 13px; color: rgba(255,255,255,.8); }

/* Hero 印章插画 */
.hero-art { display: flex; justify-content: center; align-items: center; }
.seal-stamp {
  width: 230px; height: 230px; border-radius: 50%;
  background: linear-gradient(135deg, var(--red-deep), #8E2018);
  box-shadow: inset 0 0 0 6px var(--gold), 0 20px 50px rgba(0,0,0,.3);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transform: rotate(-6deg);
}
.seal-stamp .big { font-family: var(--serif); font-size: 96px; color: var(--gold-light); line-height: 1; font-weight: 700; }
.seal-stamp .sub { color: var(--gold-light); font-size: 15px; letter-spacing: 6px; margin-top: 8px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px; transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ico {
  width: 52px; height: 52px; border-radius: 12px; background: var(--gold-soft);
  display: flex; align-items: center; justify-content: center; color: var(--red); margin-bottom: 16px;
}
.card h3 { font-family: var(--serif); font-size: 19px; margin-bottom: 10px; color: var(--ink); }
.card p { color: var(--ink-soft); font-size: 14px; }
.card .tag { display: inline-block; margin-top: 14px; font-size: 12px; color: var(--red); border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; }

/* 产品卡 */
.product {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.product:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product .thumb { height: 150px; background: linear-gradient(135deg, var(--red), var(--red-deep)); display: flex; align-items: center; justify-content: center; color: var(--gold-light); }
.product .body { padding: 18px 20px; }
.product .body h3 { font-family: var(--serif); font-size: 18px; color: var(--ink); }
.product .body p { color: var(--ink-soft); font-size: 13px; margin-top: 6px; }
.product .body .meta { margin-top: 12px; font-size: 12px; color: var(--red); }

/* ---------- 数据条 ---------- */
.stats-band { background: var(--red); color: #fff; }
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 48px 20px; text-align: center; }
.stats-band .num { font-family: var(--serif); font-size: 40px; color: var(--gold-light); font-weight: 700; }
.stats-band .lbl { font-size: 14px; color: rgba(255,255,255,.85); margin-top: 6px; }
.stats-band .item { border-right: 1px solid rgba(243,213,138,.25); }
.stats-band .item:last-child { border-right: none; }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 26px 22px; border: 1px dashed var(--line); border-radius: 16px; background: #fff; }
.step .no { font-family: var(--serif); font-size: 30px; color: var(--gold); font-weight: 700; }
.step h4 { font-family: var(--serif); font-size: 17px; margin: 8px 0 6px; }
.step p { font-size: 13px; color: var(--ink-soft); }

/* ---------- 门店/新闻列表 ---------- */
.list { display: grid; gap: 18px; }
.row {
  display: flex; align-items: center; gap: 20px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 20px 24px; transition: box-shadow .2s ease;
}
.row:hover { box-shadow: var(--shadow); }
.row .pin { width: 44px; height: 44px; border-radius: 10px; background: var(--red); color: var(--gold-light); display: flex; align-items: center; justify-content: center; flex: none; }
.row .info { flex: 1; }
.row .info h4 { font-family: var(--serif); font-size: 17px; }
.row .info span { font-size: 13px; color: var(--ink-soft); }
.row .go { color: var(--red); font-size: 14px; }

/* ---------- 表单 ---------- */
.form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; margin-bottom: 8px; color: var(--ink); }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px; font-family: var(--sans); background: #fff; color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--gold); }
.form-note { font-size: 13px; color: var(--ink-soft); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--red-darker); color: rgba(255,255,255,.85); }
.site-footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding: 54px 20px 30px; }
.site-footer h4 { color: var(--gold-light); font-family: var(--serif); font-size: 18px; margin-bottom: 16px; }
.site-footer a { color: rgba(255,255,255,.8); font-size: 14px; display: block; margin-bottom: 10px; }
.site-footer a:hover { color: var(--gold-light); }
.site-footer .brand-name { font-family: var(--serif); font-size: 22px; color: #fff; margin-bottom: 12px; }
.site-footer .copy { border-top: 1px solid rgba(243,213,138,.2); text-align: center; font-size: 13px; color: rgba(255,255,255,.6); padding: 18px 20px; }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
  .hero .container { grid-template-columns: 1fr; padding: 64px 20px; }
  .hero-art { order: -1; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr 1fr; }
  .stats-band .container { grid-template-columns: 1fr 1fr; }
  .stats-band .item:nth-child(2) { border-right: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .form-wrap { grid-template-columns: 1fr; }
  .site-footer .container { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; background: var(--paper);
    flex-direction: column; gap: 0; padding: 8px 20px 16px; border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav-cta { margin: 10px 0 0; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 38px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .stats-band .container { grid-template-columns: 1fr; }
  .stats-band .item { border-right: none; border-bottom: 1px solid rgba(243,213,138,.2); padding-bottom: 14px; }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .section-head h2 { font-size: 24px; }
}