/* ============================================================
   追慕文化 · 企业官网  公共样式
   风格：简约 / 大气 / 留白 / 东方雅致
   ============================================================ */

:root {
  --ink: #22262b;          /* 主文字 */
  --ink-soft: #5c636b;     /* 次级文字 */
  --ink-faint: #9aa1a9;    /* 弱化文字 */
  --bg: #faf9f7;           /* 页面底色（暖白） */
  --bg-alt: #f2f0ec;       /* 分区底色 */
  --card: #ffffff;
  --accent: #a8433a;       /* 朱砂红 */
  --accent-dark: #8c352e;
  --gold: #b99a63;         /* 赭金 */
  --line: #e6e2db;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

.container { width: min(1160px, 90%); margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 249, 247, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; font-family: var(--serif); font-size: 20px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 1px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-name { font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: 4px; }
.brand-sub { font-size: 11px; color: var(--ink-faint); letter-spacing: 2px; text-transform: uppercase; }

.nav-links { display: flex; gap: 6px; }
.nav-links a {
  padding: 8px 18px; font-size: 15px; color: var(--ink-soft);
  border-radius: 6px; transition: all .25s;
}
.nav-links a:hover { color: var(--accent); background: rgba(168, 67, 58, .06); }
.nav-links a.active { color: var(--accent); font-weight: 600; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 22px; height: 2px;
  background: var(--ink); position: absolute; left: 9px; transition: all .3s;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; left: 0; }
.nav-toggle span::after { top: 7px; left: 0; }

/* ---------- 页面主视觉（内页） ---------- */
.page-hero {
  background: linear-gradient(160deg, #2b2e33 0%, #3d3a36 60%, #4a4038 100%);
  color: #fff; text-align: center;
  padding: 88px 0 76px;
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(185, 154, 99, .18), transparent),
    radial-gradient(ellipse 50% 60% at 15% 85%, rgba(168, 67, 58, .15), transparent);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-family: var(--serif); font-size: 40px; letter-spacing: 10px; font-weight: 700; }
.page-hero p { margin-top: 14px; color: rgba(255,255,255,.65); letter-spacing: 3px; font-size: 15px; }

/* ---------- 首页主视觉 ---------- */
.home-hero {
  min-height: 78vh;
  display: flex; align-items: center;
  background: linear-gradient(155deg, #26292e 0%, #37342f 55%, #453e34 100%);
  color: #fff; position: relative; overflow: hidden;
}
.home-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 65% at 85% 15%, rgba(185, 154, 99, .22), transparent),
    radial-gradient(ellipse 45% 55% at 10% 90%, rgba(168, 67, 58, .20), transparent);
}
.home-hero .container { position: relative; z-index: 1; }
.hero-kicker {
  display: inline-block; font-size: 13px; letter-spacing: 5px;
  color: var(--gold); border: 1px solid rgba(185,154,99,.45);
  padding: 6px 18px; border-radius: 100px; margin-bottom: 28px;
}
.hero-title {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(38px, 6vw, 64px);
  letter-spacing: 12px; line-height: 1.35;
}
.hero-title em { font-style: normal; color: var(--gold); }
.hero-desc {
  margin-top: 24px; max-width: 620px;
  color: rgba(255,255,255,.72); font-size: 17px; letter-spacing: 1px;
}
.hero-actions { margin-top: 44px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 13px 36px; border-radius: 6px;
  font-size: 15px; letter-spacing: 2px; transition: all .25s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-ghost { border: 1px solid rgba(255,255,255,.4); color: #fff; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- 分区通用 ---------- */
.section { padding: 92px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  font-size: 12px; letter-spacing: 4px; color: var(--gold);
  text-transform: uppercase; margin-bottom: 10px;
}
.section-title {
  font-family: var(--serif); font-size: 34px; font-weight: 700;
  letter-spacing: 6px;
}
.section-title::after {
  content: ""; display: block; width: 46px; height: 3px;
  background: var(--accent); margin: 18px auto 0; border-radius: 2px;
}
.section-lead {
  max-width: 680px; margin: 20px auto 0; color: var(--ink-soft); font-size: 16px;
}

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 28px; }
.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: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 38px 32px; transition: all .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(34,38,43,.08); border-color: transparent; }
.card-icon {
  width: 54px; height: 54px; border-radius: 12px; margin-bottom: 22px;
  background: linear-gradient(135deg, rgba(168,67,58,.10), rgba(185,154,99,.14));
  display: flex; align-items: center; justify-content: center;
}
.card-icon svg { width: 28px; height: 28px; stroke: var(--accent); fill: none; stroke-width: 1.6; }
.card h3 { font-family: var(--serif); font-size: 20px; letter-spacing: 2px; margin-bottom: 12px; }
.card p { color: var(--ink-soft); font-size: 15px; }

/* ---------- 数字统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num {
  font-family: var(--serif); font-size: 44px; font-weight: 700; color: var(--accent);
}
.stat-num sup { font-size: 20px; color: var(--gold); }
.stat-label { color: var(--ink-soft); font-size: 14px; letter-spacing: 2px; margin-top: 6px; }

/* ---------- 图文双栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-visual {
  border-radius: 16px; overflow: hidden; min-height: 360px;
  background: linear-gradient(150deg, #2f3237 0%, #45403a 100%);
  position: relative;
}
.split-visual .visual-char {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 150px; color: rgba(185,154,99,.28); font-weight: 700;
}
.split-visual .visual-tag {
  position: absolute; left: 28px; bottom: 24px; color: rgba(255,255,255,.85);
  font-size: 14px; letter-spacing: 4px;
}
.split-body h2 { font-family: var(--serif); font-size: 30px; letter-spacing: 4px; margin-bottom: 22px; }
.split-body h2::after {
  content: ""; display: block; width: 40px; height: 3px; background: var(--accent);
  margin-top: 16px; border-radius: 2px;
}
.split-body p { color: var(--ink-soft); margin-bottom: 14px; font-size: 15.5px; }

/* ---------- 理念列表 ---------- */
.value-list { display: grid; gap: 22px; margin-top: 8px; }
.value-item {
  display: flex; gap: 20px; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; padding: 26px 30px;
  transition: all .3s;
}
.value-item:hover { box-shadow: 0 14px 34px rgba(34,38,43,.07); transform: translateX(6px); }
.value-index {
  font-family: var(--serif); font-size: 30px; font-weight: 700; color: var(--gold);
  flex-shrink: 0; width: 56px;
}
.value-item h3 { font-family: var(--serif); font-size: 19px; letter-spacing: 2px; margin-bottom: 8px; }
.value-item p { color: var(--ink-soft); font-size: 15px; }

/* ---------- 产品卡片 ---------- */
.product-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(34,38,43,.10); }
.product-visual {
  height: 190px; display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 64px; color: rgba(255,255,255,.85);
  letter-spacing: 8px; position: relative;
}
.pv-1 { background: linear-gradient(140deg, #8c352e, #b0574c); }
.pv-2 { background: linear-gradient(140deg, #8a713f, #b99a63); }
.pv-3 { background: linear-gradient(140deg, #33424a, #5a7482); }
.pv-4 { background: linear-gradient(140deg, #3d3a50, #6a6390); }
.pv-5 { background: linear-gradient(140deg, #2f4a3c, #5d8468); }
.pv-6 { background: linear-gradient(140deg, #513a2e, #8a6a50); }
.product-body { padding: 28px 28px 32px; flex: 1; }
.product-body h3 { font-family: var(--serif); font-size: 20px; letter-spacing: 2px; margin-bottom: 10px; }
.product-body .product-tag {
  display: inline-block; font-size: 12px; color: var(--accent);
  background: rgba(168,67,58,.08); border-radius: 100px; padding: 3px 12px; margin-bottom: 12px;
}
.product-body p { color: var(--ink-soft); font-size: 14.5px; }

/* ---------- 新闻列表 ---------- */
.news-list { display: grid; gap: 20px; }
.news-item {
  display: flex; gap: 30px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 30px 34px; transition: all .3s;
}
.news-item:hover { box-shadow: 0 14px 34px rgba(34,38,43,.07); transform: translateY(-3px); }
.news-date {
  flex-shrink: 0; text-align: center; width: 76px;
  border-right: 1px solid var(--line); padding-right: 26px;
}
.news-date .d { font-family: var(--serif); font-size: 32px; font-weight: 700; color: var(--accent); line-height: 1.1; }
.news-date .ym { font-size: 12.5px; color: var(--ink-faint); letter-spacing: 1px; }
.news-item h3 { font-family: var(--serif); font-size: 19px; letter-spacing: 1px; margin-bottom: 8px; }
.news-item h3 a:hover { color: var(--accent); }
.news-item p { color: var(--ink-soft); font-size: 14.5px; }
.news-cat {
  display: inline-block; font-size: 12px; color: var(--gold);
  border: 1px solid rgba(185,154,99,.4); border-radius: 100px;
  padding: 2px 12px; margin-bottom: 10px;
}

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; }
.contact-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 42px 40px;
}
.contact-card h3 { font-family: var(--serif); font-size: 22px; letter-spacing: 3px; margin-bottom: 26px; }
.contact-row { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.contact-row:last-child { border-bottom: none; }
.contact-row .ico {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 10px;
  background: rgba(168,67,58,.08); display: flex; align-items: center; justify-content: center;
}
.contact-row .ico svg { width: 20px; height: 20px; stroke: var(--accent); fill: none; stroke-width: 1.7; }
.contact-row .lbl { font-size: 13px; color: var(--ink-faint); }
.contact-row .val { font-size: 15.5px; }

.map-placeholder {
  border-radius: 14px; min-height: 420px;
  background: linear-gradient(150deg, #2f3237, #45403a);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: rgba(255,255,255,.75); gap: 14px; text-align: center; padding: 30px;
}
.map-placeholder .big { font-family: var(--serif); font-size: 40px; letter-spacing: 8px; color: rgba(255,255,255,.9); }
.map-placeholder .sub { font-size: 14px; letter-spacing: 2px; color: rgba(255,255,255,.55); }

/* ---------- 页尾 CTA 条 ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff; text-align: center; padding: 64px 0;
}
.cta-band h2 { font-family: var(--serif); font-size: 28px; letter-spacing: 6px; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.8); margin-bottom: 28px; }
.cta-band .btn { background: #fff; color: var(--accent-dark); }
.cta-band .btn:hover { transform: translateY(-2px); }

/* ---------- 页脚 ---------- */
.site-footer { background: #24272b; color: rgba(255,255,255,.6); }
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand .brand-name { color: #fff; font-size: 22px; }
.footer-brand p { font-size: 14px; margin-top: 16px; max-width: 320px; }
.footer-col h4 {
  color: #fff; font-size: 15px; letter-spacing: 3px; margin-bottom: 18px; font-weight: 600;
}
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0; text-align: center; font-size: 13px; line-height: 2;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: var(--gold); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  .nav-links {
    display: none; position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; background: var(--bg);
    border-bottom: 1px solid var(--line); padding: 12px 6%;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .hero-title { letter-spacing: 6px; }
  .page-hero h1 { font-size: 30px; letter-spacing: 6px; }
  .section { padding: 64px 0; }
  .news-item { flex-direction: column; gap: 14px; }
  .news-date { border-right: none; border-bottom: 1px solid var(--line); padding: 0 0 10px; width: auto; display: flex; gap: 10px; align-items: baseline; }
}