/* 云南正宇食品科技有限公司 - 企业官网风格 */

:root {
  --color-primary: #0d4a2a;
  --color-primary-dark: #083518;
  --color-primary-darker: #052a13;
  --color-accent: #c9a063;
  --color-text: #1a1a1a;
  --color-text-secondary: #555555;
  --color-text-muted: #888888;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8f7;
  --color-bg-dark: #0a1f13;
  --color-border: #e2e6e2;
  --radius: 6px;
  --max-width: 1200px;
  --header-height: 76px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 32px; height: var(--header-height);
  display: flex; align-items: center; justify-content: space-between;
}
.site-brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px; border-radius: var(--radius);
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-size: 16px; font-weight: 700; color: var(--color-text); letter-spacing: .5px; }
.brand-sub { font-size: 11px; color: var(--color-text-muted); letter-spacing: 2px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 18px; font-size: 15px; color: var(--color-text-secondary);
  font-weight: 500; border-radius: var(--radius); transition: all .2s;
}
.main-nav a:hover { color: var(--color-primary); background: rgba(13,74,42,.05); }
.main-nav a.active { color: var(--color-primary); font-weight: 600; }

.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--color-text); padding: 8px; }

/* ===== Layout ===== */
.main-content { min-height: 60vh; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-bg-dark); color: #cfd8d0; }

.section-header { margin-bottom: 48px; max-width: 720px; }
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600;
  color: var(--color-primary); letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-dark .section-eyebrow { color: var(--color-accent); }
.section-header h2 { font-size: 34px; font-weight: 700; line-height: 1.25; letter-spacing: -.5px; }
.section-dark .section-header h2 { color: #fff; }
.section-header p { margin-top: 14px; font-size: 16px; color: var(--color-text-secondary); }
.section-dark .section-header p { color: #9db3a4; }

/* ===== Hero（首页大图区） ===== */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-darker) 0%, var(--color-primary) 60%, #1a6b3f 100%);
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,160,99,.25) 0%, transparent 70%);
}
.hero::before {
  content: ""; position: absolute; left: -80px; bottom: -160px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 70%);
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: var(--max-width); margin: 0 auto;
  padding: 120px 32px 110px;
}
.hero-eyebrow {
  display: inline-block; padding: 6px 16px; margin-bottom: 28px;
  border: 1px solid rgba(255,255,255,.35); border-radius: 999px;
  font-size: 13px; letter-spacing: 3px; color: #e6d9c3;
}
.hero h1 { font-size: 52px; font-weight: 700; line-height: 1.2; letter-spacing: 1px; margin-bottom: 22px; }
.hero-desc { font-size: 18px; line-height: 1.9; color: rgba(255,255,255,.85); max-width: 640px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 34px; font-size: 15px; font-weight: 600;
  border-radius: var(--radius); transition: all .2s; cursor: pointer;
}
.btn-primary { background: var(--color-accent); color: #1a1a1a; }
.btn-primary:hover { background: #d9b478; color: #1a1a1a; }
.btn-outline { border: 1px solid rgba(255,255,255,.5); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-dark); color: #fff; }

/* ===== 数据统计带 ===== */
.stats-band { background: var(--color-primary-darker); }
.stats-grid {
  max-width: var(--max-width); margin: 0 auto; padding: 56px 32px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.stat-item { text-align: center; color: #fff; }
.stat-num { font-size: 42px; font-weight: 700; color: var(--color-accent); line-height: 1.1; }
.stat-num small { font-size: 20px; font-weight: 600; margin-left: 2px; }
.stat-label { margin-top: 10px; font-size: 14px; color: rgba(255,255,255,.75); letter-spacing: 1px; }

/* ===== 卡片 ===== */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 36px 30px; transition: all .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(13,74,42,.1); border-color: transparent; }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--radius); margin-bottom: 22px;
  background: rgba(13,74,42,.08); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.card h3 { font-size: 19px; font-weight: 600; margin-bottom: 12px; }
.card p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; }
.card .card-link { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--color-primary); }
.card .card-link:hover { color: var(--color-primary-dark); }

/* ===== 图文分栏 ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-visual {
  border-radius: var(--radius); min-height: 380px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.9); position: relative; overflow: hidden;
}
.split-visual::after {
  content: ""; position: absolute; right: -60px; bottom: -60px;
  width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,160,99,.3) 0%, transparent 70%);
}
.split-visual .visual-text { font-size: 60px; font-weight: 700; letter-spacing: 8px; color: rgba(255,255,255,.16); }
.split-body h2 { font-size: 32px; font-weight: 700; line-height: 1.3; margin-bottom: 20px; letter-spacing: -.5px; }
.split-body p { font-size: 16px; color: var(--color-text-secondary); line-height: 1.9; margin-bottom: 16px; }
.split-body .feature-list { list-style: none; margin: 24px 0 32px; }
.split-body .feature-list li {
  padding: 12px 0 12px 34px; position: relative;
  font-size: 15px; color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.split-body .feature-list li:last-child { border-bottom: none; }
.split-body .feature-list li::before {
  content: "✓"; position: absolute; left: 0; top: 12px;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(13,74,42,.1); color: var(--color-primary);
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ===== 页面头（内页） ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-darker) 0%, var(--color-primary) 100%);
  color: #fff; padding: 88px 0 72px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -100px; top: -100px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,160,99,.2) 0%, transparent 70%);
}
.page-hero-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb span { margin: 0 8px; }
.page-hero h1 { font-size: 40px; font-weight: 700; letter-spacing: .5px; margin-bottom: 14px; }
.page-hero-desc { font-size: 16px; color: rgba(255,255,255,.82); max-width: 680px; line-height: 1.8; }

/* ===== 简介文字块 ===== */
.prose { max-width: 780px; }
.prose p { font-size: 16px; color: var(--color-text-secondary); line-height: 2; margin-bottom: 18px; }
.prose strong { color: var(--color-text); }

/* ===== 数据表格 ===== */
.data-table { width: 100%; border-collapse: collapse; font-size: 15px; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.data-table th { background: var(--color-primary); color: #fff; padding: 16px 22px; text-align: left; font-weight: 600; font-size: 14px; letter-spacing: 1px; }
.data-table td { padding: 18px 22px; border-bottom: 1px solid var(--color-border); color: var(--color-text-secondary); vertical-align: top; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--color-bg-alt); }
.data-table td:first-child { font-weight: 600; color: var(--color-text); white-space: nowrap; }

/* ===== 产品卡 ===== */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  overflow: hidden; transition: all .25s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(13,74,42,.1); }
.product-cover {
  height: 180px; display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.85); font-size: 40px; font-weight: 700; letter-spacing: 4px;
}
.product-cover.c1 { background: linear-gradient(135deg, #b23c17, #d4692a); }
.product-cover.c2 { background: linear-gradient(135deg, #5d4037, #8d6e63); }
.product-cover.c3 { background: linear-gradient(135deg, #0d4a2a, #1a6b3f); }
.product-body { padding: 26px; }
.product-body .product-tag { display: inline-block; padding: 4px 12px; font-size: 12px; font-weight: 600; color: var(--color-primary); background: rgba(13,74,42,.08); border-radius: 999px; margin-bottom: 14px; }
.product-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.product-body p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.8; }
.product-body .card-link { display: inline-block; margin-top: 16px; font-size: 14px; font-weight: 600; }

/* ===== 风味标签 ===== */
.flavor-list { display: flex; flex-wrap: wrap; gap: 12px; }
.flavor-chip {
  padding: 10px 22px; border: 1px solid var(--color-border); border-radius: 999px;
  font-size: 14px; color: var(--color-text-secondary); background: #fff;
}

/* ===== 新闻列表 ===== */
.news-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--color-border); }
.news-item { display: flex; gap: 40px; padding: 36px 0; border-bottom: 1px solid var(--color-border); align-items: flex-start; }
.news-date { flex: 0 0 110px; text-align: center; }
.news-date .day { font-size: 32px; font-weight: 700; color: var(--color-primary); line-height: 1.1; }
.news-date .ym { font-size: 13px; color: var(--color-text-muted); margin-top: 6px; }
.news-body { flex: 1; }
.news-body .news-source { display: inline-block; font-size: 12px; font-weight: 600; color: var(--color-primary); letter-spacing: 1px; margin-bottom: 10px; }
.news-body h3 { font-size: 19px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; }
.news-body p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; margin-bottom: 12px; }
.news-body a.ext { font-size: 14px; font-weight: 600; }

/* ===== 流程步骤 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 32px 26px; position: relative; }
.step-num {
  width: 44px; height: 44px; border-radius: 50%; margin-bottom: 20px;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
}
.step-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.8; }

/* ===== 联系卡 ===== */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.contact-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 36px 30px; text-align: center; }
.contact-card .card-icon { margin: 0 auto 20px; }
.contact-card h3 { font-size: 16px; font-weight: 600; color: var(--color-text-secondary); margin-bottom: 12px; }
.contact-card .contact-value { font-size: 20px; font-weight: 700; color: var(--color-primary); line-height: 1.4; word-break: break-all; }
.contact-card .contact-note { margin-top: 10px; font-size: 13px; color: var(--color-text-muted); }

/* ===== WIKI / QA ===== */
.wiki-section { margin-bottom: 56px; }
.wiki-section > h2 { font-size: 24px; font-weight: 700; margin-bottom: 28px; padding-bottom: 16px; border-bottom: 2px solid var(--color-primary); }
.wiki-entry { padding: 24px 0; border-bottom: 1px solid var(--color-border); }
.wiki-entry:last-child { border-bottom: none; }
.wiki-entry h3 { font-size: 17px; font-weight: 600; color: var(--color-primary); margin-bottom: 10px; }
.wiki-entry p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.9; }

.qa-item { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 32px 34px; margin-bottom: 20px; }
.qa-q { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 16px; }
.qa-badge {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.qa-q h3 { font-size: 18px; font-weight: 600; line-height: 1.5; padding-top: 6px; }
.qa-a { padding-left: 56px; font-size: 15px; color: var(--color-text-secondary); line-height: 1.9; }
.qa-a strong { color: var(--color-text); }

/* ===== CTA 带 ===== */
.cta-band { background: linear-gradient(135deg, var(--color-primary-darker), var(--color-primary)); color: #fff; }
.cta-band-inner { max-width: var(--max-width); margin: 0 auto; padding: 72px 32px; text-align: center; }
.cta-band h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; }
.cta-band p { font-size: 16px; color: rgba(255,255,255,.8); margin-bottom: 32px; }

/* ===== Footer ===== */
.site-footer { background: var(--color-bg-dark); color: #8aa092; padding: 72px 0 36px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 52px; }
.footer-brand h4 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.9; }
.footer-section h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 20px; letter-spacing: 1px; }
.footer-section ul { list-style: none; }
.footer-section li { margin-bottom: 12px; }
.footer-section a { color: #8aa092; font-size: 14px; }
.footer-section a:hover { color: #fff; }
.footer-section p { font-size: 14px; line-height: 2; }
.footer-bottom { padding-top: 32px; border-top: 1px solid rgba(255,255,255,.08); text-align: center; font-size: 13px; color: #5f7266; }
.footer-bottom a { color: #8aa092; }
.footer-bottom a:hover { color: #fff; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .card-grid, .card-grid.cols-4, .product-grid, .steps, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split-visual { min-height: 260px; }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero-inner { padding: 80px 24px 72px; }
  .hero h1 { font-size: 34px; }
  .hero-desc { font-size: 16px; }
  .page-hero h1 { font-size: 28px; }
  .section-header h2 { font-size: 26px; }
  .card-grid, .card-grid.cols-2, .card-grid.cols-4, .product-grid, .steps, .contact-grid { grid-template-columns: 1fr; }
  .main-nav {
    display: none; position: absolute; top: var(--header-height); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--color-border);
    flex-direction: column; padding: 12px 20px 20px; gap: 2px; align-items: stretch;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 16px; }
  .nav-toggle { display: block; }
  .news-item { flex-direction: column; gap: 14px; }
  .news-date { display: flex; gap: 10px; align-items: baseline; text-align: left; }
  .qa-a { padding-left: 0; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .header-inner, .container, .hero-inner, .page-hero-inner, .footer-inner, .cta-band-inner { padding-left: 20px; padding-right: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .hero-actions, .cta-band { display: none; }
}