/*
Theme Name: Doraemi Pragmatic B2B
Theme URI: https://www.homel.cn
Template: astra
Author: Antigravity AI
Description: 务实、强转化、落地能力强的 B2B 工业科技风。
Version: 7.0.0
*/

:root {
  --primary-blue: #0056b3;
  --dark-navy: #1a2b4c;
  --bg-light: #f8f9fa;
  --text-dark: #333333;
  --text-gray: #666666;
  --border-light: #e2e8f0;
  --cta-orange: #f59e0b; /* 用于强转化按钮 */
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background: #ffffff;
  line-height: 1.6;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-bg { background: var(--bg-light); }
.section-title { text-align: center; font-size: 2.2rem; font-weight: bold; color: var(--dark-navy); margin-bottom: 50px; }

/* 导航栏 */
.site-header {
  position: fixed; top: 0; width: 100%; height: 70px;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--border-light);
  z-index: 100; display: flex; align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.header-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo { font-size: 1.5rem; font-weight: bold; color: var(--dark-navy); text-decoration: none; }
.main-nav ul { display: flex; gap: 25px; list-style: none; margin: 0; padding: 0; }
.main-nav a { color: var(--dark-navy); text-decoration: none; font-weight: 500; }
.main-nav a:hover { color: var(--primary-blue); }

/* 首屏 (Hero) */
.hero {
  margin-top: 70px; padding: 120px 0;
  background: linear-gradient(135deg, var(--dark-navy) 0%, #0a1930 100%);
  color: white; text-align: center;
}
.hero h1 { font-size: 3rem; margin-bottom: 20px; line-height: 1.3; }
.hero p { font-size: 1.2rem; color: #cbd5e1; max-width: 800px; margin: 0 auto 40px; }
.btn { display: inline-block; padding: 12px 30px; border-radius: 4px; font-weight: 600; text-decoration: none; transition: 0.2s; }
.btn-primary { background: var(--primary-blue); color: white; }
.btn-primary:hover { background: #004494; }
.btn-cta { background: var(--cta-orange); color: white; margin-left: 15px; }
.btn-cta:hover { background: #d97706; }

/* 核心能力网格 */
.core-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: -50px; position: relative; z-index: 10; }
.core-card { background: white; padding: 30px 20px; border-radius: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); text-align: center; border-top: 4px solid var(--primary-blue); }
.core-card h4 { margin: 0 0 10px 0; font-size: 1.2rem; color: var(--dark-navy); }
.core-card p { font-size: 0.9rem; color: var(--text-gray); margin: 0; }

/* 务实解决方案 & 设备集成能力通用网格 */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.item-card { background: white; border: 1px solid var(--border-light); border-radius: 4px; overflow: hidden; transition: 0.3s; }
.item-card:hover { transform: translateY(-5px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); border-color: var(--primary-blue); }
.item-card-body { padding: 30px; }
.item-card h3 { font-size: 1.3rem; margin: 0 0 15px 0; color: var(--dark-navy); }
.item-card p { color: var(--text-gray); font-size: 0.95rem; line-height: 1.6; margin-bottom: 20px; }
.item-meta { font-size: 0.85rem; color: var(--primary-blue); background: #eff6ff; padding: 8px 12px; border-radius: 4px; margin-bottom: 15px; display: inline-block;}

/* 底部联系我们 / 表单简化版 */
.contact-section { background: var(--dark-navy); color: white; }
.contact-section .section-title { color: white; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info p { color: #cbd5e1; font-size: 1.1rem; margin-bottom: 15px; border-bottom: 1px dashed rgba(255,255,255,0.2); padding-bottom: 15px;}
.contact-form { background: white; padding: 30px; border-radius: 4px; }
.form-group { margin-bottom: 15px; }
.form-control { width: 100%; padding: 10px; border: 1px solid var(--border-light); border-radius: 4px; box-sizing: border-box; }
.btn-submit { width: 100%; background: var(--primary-blue); color: white; border: none; padding: 12px; font-weight: bold; cursor: pointer; border-radius: 4px; }

/* 页脚 */
.site-footer { background: #0a1930; color: #64748b; text-align: center; padding: 30px 20px; font-size: 0.9rem; }