/* 湖南大合企业管理咨询有限公司 网站样式 */
:root {
  /* 商务蓝主色系 */
  --primary: #1e3a5f;
  --primary-light: #2563eb;
  --primary-dark: #0c2340;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0c2340;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #f8fafc;
  --border: #e2e8f0;
  --success: #10b981;
  --shadow: 0 4px 6px -1px rgba(30,58,95,0.08), 0 2px 4px -2px rgba(30,58,95,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(30,58,95,0.10), 0 4px 6px -4px rgba(30,58,95,0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul { list-style: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.text-center { text-align: center; }
.section-title { font-size: 2rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.section-sub { font-size: 1.05rem; color: var(--text-light); margin-bottom: 48px; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: var(--shadow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.2rem; color: var(--primary); }
.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), #1d4ed8);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1rem; font-weight: 900;
}
.logo-text { line-height: 1.2; }
.logo-text small { display: block; font-size: 0.7rem; font-weight: 400; color: var(--text-light); }
.nav { display: flex; gap: 4px; align-items: center; }
.nav > a, .nav-dropdown > a { padding: 8px 14px; border-radius: 8px; font-size: 0.9rem; font-weight: 500; color: var(--text); transition: all 0.2s; display: block; }
.nav > a:hover, .nav > a.active, .nav-dropdown:hover > a { background: var(--bg-alt); color: var(--primary-light); }
.nav-cta { background: var(--primary-light) !important; color: white !important; }
.nav-cta:hover { background: var(--primary) !important; }

/* 导航下拉菜单 */
.nav-dropdown { position: relative; }
.nav-dropdown .dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 160px;
  background: white; border-radius: 10px; box-shadow: var(--shadow-lg);
  border: 1px solid var(--border); padding: 8px 0;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all 0.2s ease; z-index: 1001;
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu a {
  display: block; padding: 10px 16px; font-size: 0.88rem;
  color: var(--text); transition: all 0.15s; white-space: nowrap;
}
.dropdown-menu a:hover { background: var(--bg-alt); color: var(--primary-light); }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--primary); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(160deg, #0c2340 0%, #1e3a5f 50%, #2563eb 100%);
  color: white; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -40%; right: -15%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%); border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute; bottom: -20%; left: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, transparent 70%); border-radius: 50%;
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; background: rgba(245,158,11,0.2);
  border: 1px solid rgba(245,158,11,0.4); color: var(--accent-light);
  padding: 6px 16px; border-radius: 20px; font-size: 0.82rem;
  margin-bottom: 24px; font-weight: 500;
}
.hero h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.25; margin-bottom: 20px; max-width: 720px; }
.hero h1 em { color: var(--accent-light); font-style: normal; }
.hero-sub { font-size: 1.1rem; opacity: 0.85; margin-bottom: 36px; max-width: 560px; line-height: 1.8; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 10px; font-weight: 600;
  font-size: 0.98rem; cursor: pointer; border: none; transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(245,158,11,0.3); }
.btn-outline { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.4); }
.btn-outline:hover { border-color: white; background: rgba(255,255,255,0.1); }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 64px; padding-top: 48px; border-top: 1px solid rgba(255,255,255,0.15); }
.stat { text-align: center; }
.stat-num { font-size: 2.4rem; font-weight: 800; color: var(--accent-light); line-height: 1; }
.stat-label { font-size: 0.82rem; opacity: 0.7; margin-top: 6px; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.service-card {
  background: white; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; transition: all 0.3s; position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 52px; height: 52px; background: linear-gradient(135deg, rgba(26,58,107,0.08), rgba(37,99,235,0.08)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 18px; }
.service-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.7; }
.service-tag { display: inline-block; background: rgba(37,99,235,0.08); color: var(--primary-light); font-size: 0.72rem; padding: 3px 10px; border-radius: 12px; margin-top: 12px; font-weight: 500; }

/* Why us */
.why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; }
.why-item { text-align: center; padding: 28px 16px; }
.why-icon { width: 60px; height: 60px; margin: 0 auto 16px; background: linear-gradient(135deg, var(--primary), #1d4ed8); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.why-item h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.why-item p { font-size: 0.85rem; color: var(--text-light); line-height: 1.7; }

/* Process */
.process-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 20px; }
.process-step { text-align: center; padding: 24px 12px; position: relative; }
.step-num { width: 44px; height: 44px; background: var(--primary); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; margin: 0 auto 14px; }
.process-step h3 { font-size: 0.95rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.process-step p { font-size: 0.82rem; color: var(--text-light); }

/* CTA */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: white; padding: 80px 0; text-align: center; }
.cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 1.05rem; opacity: 0.85; margin-bottom: 32px; }
.cta-contact { display: inline-flex; align-items: center; gap: 12px; background: var(--accent); color: var(--primary-dark); padding: 14px 32px; border-radius: 12px; font-weight: 700; font-size: 1.05rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 24px; align-items: flex-start; }
.ci-icon { width: 44px; height: 44px; background: rgba(37,99,235,0.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-info-item h4 { font-size: 0.88rem; font-weight: 700; color: var(--primary); margin-bottom: 2px; }
.contact-info-item p { font-size: 0.88rem; color: var(--text-light); }

/* Form */
.contact-form { background: var(--bg-alt); padding: 40px; border-radius: var(--radius); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.95rem; font-family: inherit; transition: border-color 0.2s; background: white;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary-light);
  box-shadow: 0 4px 16px -4px rgba(37,99,235,0.18);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit { width: 100%; padding: 13px; background: var(--primary-light); color: white; border: none; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 700; cursor: pointer; transition: background 0.2s; font-family: inherit; }
.form-submit:hover { background: var(--primary); }

/* Footer */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer h4 { color: white; font-size: 0.98rem; font-weight: 700; margin-bottom: 14px; }
.footer p, .footer li { font-size: 0.85rem; line-height: 1.8; }
.footer li a:hover { color: var(--accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; }
.footer-logo { display: flex; align-items: center; gap: 10px; color: white; font-weight: 700; font-size: 1rem; }

/* Page header */
.page-header { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: white; padding: 120px 0 60px; text-align: center; }
.page-header h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.page-header p { font-size: 1rem; opacity: 0.85; max-width: 600px; margin: 0 auto; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text h2 { font-size: 1.8rem; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.about-text p { color: var(--text-light); line-height: 1.8; margin-bottom: 14px; }
.about-visual { background: linear-gradient(135deg, var(--primary), #1d4ed8); border-radius: var(--radius); padding: 48px 32px; color: white; text-align: center; }
.about-visual .big-num { font-size: 4rem; font-weight: 900; color: var(--accent-light); line-height: 1; }
.about-visual .big-label { font-size: 1.1rem; opacity: 0.85; margin-top: 8px; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); padding: 24px 0; }
.faq-q { font-weight: 700; color: var(--primary); font-size: 1.02rem; margin-bottom: 10px; display: flex; gap: 10px; align-items: flex-start; }
.faq-q::before { content: 'Q'; background: var(--primary-light); color: white; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.72rem; flex-shrink: 0; margin-top: 2px; }
.faq-a { color: var(--text-light); font-size: 0.92rem; padding-left: 34px; line-height: 1.8; }

/* Service list page */
.svc-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.svc-item { display: flex; align-items: center; gap: 16px; padding: 20px; background: white; border: 1px solid var(--border); border-radius: var(--radius-sm); transition: all 0.2s; }
.svc-item:hover { border-color: var(--primary-light);
  box-shadow: 0 4px 16px -4px rgba(37,99,235,0.18); box-shadow: var(--shadow); transform: translateX(4px); }
.svc-item .sicon { font-size: 1.8rem; }
.svc-item h3 { font-size: 0.98rem; font-weight: 700; color: var(--primary); }
.svc-item p { font-size: 0.8rem; color: var(--text-light); }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.blog-card { background: white; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all 0.3s; }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.blog-card-body { padding: 28px; }
.blog-tag { background: rgba(37,99,235,0.08); color: var(--primary-light); font-size: 0.72rem; padding: 3px 12px; border-radius: 12px; font-weight: 600; display: inline-block; margin-bottom: 12px; }
.blog-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }
.blog-card p { font-size: 0.85rem; color: var(--text-light); line-height: 1.7; }
.blog-date { font-size: 0.75rem; color: var(--text-light); margin-top: 14px; }

/* Float contact */
.float-contact { position: fixed; bottom: 24px; right: 24px; z-index: 900; }
.float-contact a { display: flex; align-items: center; gap: 8px; background: var(--success); color: white; padding: 12px 20px; border-radius: 28px; font-weight: 600; font-size: 0.88rem; box-shadow: 0 4px 12px rgba(16,185,129,0.4); transition: all 0.2s; }
.float-contact a:hover { transform: scale(1.05); }

/* Breadcrumb */
.breadcrumb { font-size: 0.82rem; color: var(--text-light); margin-bottom: 16px; }
.breadcrumb a { color: var(--primary-light); }
.breadcrumb span { margin: 0 6px; }

/* Responsive */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .section { padding: 60px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.7rem; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 1.8rem; }
}

/* Logo image override */
.logo-icon { width: 42px; height: 42px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.logo-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== 新首页板块样式 ===== */
.cat-header {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, #234e82 100%);
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 0;
}
.cat-header .cat-icon { font-size: 2.4rem; flex-shrink: 0; }
.cat-header .cat-title { font-size: 1.4rem; font-weight: 800; color: white; margin-bottom: 4px; }
.cat-header .cat-desc { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin: 0; }
.cat-header .btn { background: white; color: var(--primary); font-weight: 700; border: none; padding: 12px 20px; border-radius: 8px; text-decoration: none; transition: all .2s; white-space: nowrap; }
.cat-header .btn:hover { background: #f0f4f8; transform: translateY(-1px); }
.mt-24 { margin-top: 24px; }

/* 产业新闻 */
.industry-news { background: var(--bg-alt); border-radius: 12px; padding: 20px 24px; border: 1px solid var(--border); }
.industry-news .news-title { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; border-radius: 10px; text-decoration: none; color: var(--text); font-size: 0.95rem; font-weight: 500; transition: all .2s; border: 1px solid var(--border); background: white; margin-bottom: 8px; }
.news-item:hover { background: #eff6ff; color: var(--primary-light); transform: translateX(4px); border-color: rgba(37,99,235,0.15); }
.news-tag { display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; background: rgba(37,99,235,0.1); color: var(--primary-light); white-space: nowrap; flex-shrink: 0; }
.news-text { flex: 1; color: var(--text) !important; font-weight: 500; line-height: 1.5; }
.news-date { color: var(--text-light); font-size: 0.8rem; flex-shrink: 0; }
.news-empty { color: var(--text-light); font-size: 0.88rem; text-align: center; padding: 16px 0; }
.mt-32 { margin-top: 32px; }