/* 南医堂 - 全局样式 */
/* 中医养生风格：温润、典雅、留白 */

:root {
  --primary: #5B7B3E;       /* 草药绿 */
  --primary-dark: #3D5528;
  --primary-light: #E8F0E0;
  --gold: #C5964A;          /* 金褐色 */
  --gold-light: #F5EDE0;
  --text: #2C2C2C;
  --text-light: #666;
  --text-muted: #999;
  --bg: #FDFCF9;            /* 暖白底 */
  --bg-card: #FFFFFF;
  --border: #E8E4DD;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-song: "Noto Serif SC", "STSong", "SimSun", "Songti SC", serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
}

/* ===== 头部导航 ===== */
header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 60px;
}
.logo {
  font-family: var(--font-cn);
  font-size: 1.6rem; color: var(--primary-dark); font-weight: 700;
  text-decoration: none; letter-spacing: 2px;
}
.logo .yi { color: var(--gold); }
nav a {
  color: var(--text-light); text-decoration: none; margin-left: 28px;
  font-size: 0.95rem; transition: color 0.2s;
}
nav a:hover, nav a.active { color: var(--primary); }

/* ===== 主容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #5B7B3E 0%, #3D5528 40%, #2C3E1A 100%);
  color: #fff; padding: 80px 20px; text-align: center; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 Q35 15 30 25 Q25 15 30 5' fill='rgba(255,255,255,0.03)'/%3E%3C/svg%3E");
  opacity: 0.5; pointer-events: none;
}
.hero h1 { font-family: var(--font-song); font-size: 2.6rem; margin-bottom: 16px; position: relative; }
.hero p { font-size: 1.15rem; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; position: relative; }
.hero .btn { position: relative; }
.btn {
  display: inline-block; padding: 12px 36px; border-radius: 50px;
  font-size: 1.05rem; text-decoration: none; font-weight: 500;
  cursor: pointer; transition: all 0.25s; border: none;
}
.btn-primary { background: var(--gold); color: #fff; }
.btn-primary:hover { background: #B8873A; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(197,150,74,0.4); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.btn-sm { padding: 8px 20px; font-size: 0.9rem; }

/* ===== 区块 ===== */
.section { padding: 64px 0; }
.section-title {
  text-align: center; margin-bottom: 48px;
}
.section-title h2 {
  font-family: var(--font-song); font-size: 1.8rem; color: var(--primary-dark);
  margin-bottom: 8px;
}
.section-title p { color: var(--text-light); max-width: 500px; margin: 0 auto; }
.section-divider {
  width: 40px; height: 3px; background: var(--gold); margin: 12px auto 0; border-radius: 2px;
}

/* ===== 卡片网格 ===== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid var(--border);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.card-img { width: 100%; height: 200px; object-fit: cover; background: var(--primary-light); }
.card-body { padding: 20px; }
.card-body h3 { font-size: 1.15rem; color: var(--primary-dark); margin-bottom: 8px; }
.card-body p { color: var(--text-light); font-size: 0.9rem; line-height: 1.6; }

/* ===== 体质卡片 九宫格 ===== */
.tizhi-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.tizhi-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 24px 16px;
  text-align: center; border: 1px solid var(--border); transition: all 0.25s;
  text-decoration: none; color: var(--text);
}
.tizhi-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow); }
.tizhi-card .icon { font-size: 2.4rem; margin-bottom: 8px; }
.tizhi-card h4 { font-size: 1.05rem; color: var(--primary-dark); margin-bottom: 4px; }
.tizhi-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== 测试按钮大卡片 ===== */
.cta-box {
  background: var(--gold-light); border-radius: var(--radius); padding: 40px;
  text-align: center; border: 2px dashed var(--gold);
}
.cta-box h3 { font-size: 1.5rem; color: var(--primary-dark); margin-bottom: 8px; }
.cta-box p { color: var(--text-light); margin-bottom: 20px; }

/* ===== 正文内容页 ===== */
.content-page { max-width: 800px; margin: 0 auto; padding: 40px 20px; }
.content-page h1 {
  font-family: var(--font-song); font-size: 2rem; color: var(--primary-dark);
  text-align: center; margin-bottom: 12px;
}
.content-page .meta { text-align: center; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 32px; }
.content-page h2 {
  font-size: 1.3rem; color: var(--primary-dark); margin: 32px 0 12px;
  padding-left: 12px; border-left: 4px solid var(--primary);
}
.content-page h3 { font-size: 1.1rem; color: var(--text); margin: 24px 0 8px; }
.content-page p { margin-bottom: 16px; color: var(--text); }
.content-page ul, .content-page ol { margin: 12px 0 20px 24px; }
.content-page li { margin-bottom: 8px; }
.content-page blockquote {
  background: var(--primary-light); border-left: 4px solid var(--primary);
  padding: 12px 20px; margin: 20px 0; border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--primary-dark); font-size: 0.95rem;
}

/* ===== 测试问卷 ===== */
.quiz-container { max-width: 700px; margin: 0 auto; }
.quiz-progress { height: 6px; background: var(--border); border-radius: 3px; margin-bottom: 32px; }
.quiz-progress-bar { height: 100%; background: var(--primary); border-radius: 3px; transition: width 0.3s; }
.quiz-question {
  background: var(--bg-card); border-radius: var(--radius); padding: 28px;
  margin-bottom: 20px; box-shadow: var(--shadow); border: 1px solid var(--border);
}
.quiz-question h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 16px; }
.quiz-option {
  display: block; width: 100%; text-align: left; padding: 12px 16px;
  margin-bottom: 8px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); cursor: pointer; font-size: 0.95rem;
  transition: all 0.2s; color: var(--text);
}
.quiz-option:hover { border-color: var(--primary); background: var(--primary-light); }
.quiz-option.selected { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); font-weight: 500; }
.quiz-nav { display: flex; justify-content: space-between; margin-top: 24px; }

/* ===== 结果展示 ===== */
.result-banner {
  background: var(--primary); color: #fff; border-radius: var(--radius);
  padding: 40px; text-align: center; margin-bottom: 32px;
}
.result-banner .result-icon { font-size: 3rem; margin-bottom: 12px; }
.result-banner h2 { font-family: var(--font-song); font-size: 1.8rem; margin-bottom: 8px; }
.result-banner p { opacity: 0.9; }
.result-section { margin-bottom: 28px; }
.result-section h3 {
  font-size: 1.2rem; color: var(--primary-dark); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.result-section h3::before { content: "◆"; color: var(--gold); font-size: 0.8rem; }

/* ===== 免责声明 ===== */
.disclaimer {
  background: #FFF8F0; border: 1px solid #F0D8B0; border-radius: var(--radius);
  padding: 16px 20px; margin-top: 32px; font-size: 0.85rem; color: #996600;
}

/* ===== 产品网格 ===== */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.product-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); }
.product-card .product-img { width: 100%; height: 220px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 4rem; }
.product-card .product-body { padding: 16px; }
.product-card .product-body h4 { font-size: 1rem; margin-bottom: 4px; }
.product-card .product-body .price { color: var(--gold); font-size: 1.15rem; font-weight: 600; }
.product-card .product-body .tag { display: inline-block; background: var(--primary-light); color: var(--primary); padding: 2px 10px; border-radius: 20px; font-size: 0.75rem; margin-top: 8px; }

/* ===== 页脚 ===== */
footer {
  background: #2C3E1A; color: rgba(255,255,255,0.7); padding: 40px 20px 24px; text-align: center;
}
footer .footer-links { margin-bottom: 16px; }
footer .footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; margin: 0 12px; font-size: 0.9rem; }
footer .footer-links a:hover { color: #fff; }
footer .copyright { font-size: 0.8rem; opacity: 0.5; }
footer .copyright a { color: rgba(255,255,255,0.5); }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  header .nav-inner { flex-direction: column; height: auto; padding: 12px 20px; }
  nav { margin-top: 8px; }
  nav a { margin: 0 12px; font-size: 0.85rem; }
  .hero { padding: 48px 16px; }
  .hero h1 { font-size: 1.8rem; }
  .tizhi-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .product-grid { grid-template-columns: 1fr; }
  .content-page { padding: 24px 16px; }
}
@media (max-width: 480px) {
  .tizhi-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 24px 16px; }
}

/* ===== 辅助 ===== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }
.breadcrumb { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 16px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }