/* =============================================
   河北修齐信息技术有限公司 - 全局样式
   配色：深蓝 #1E3A5F | 金色 #C8982E | 白 #fff
   ============================================= */

:root {
  --primary: #1E3A5F;
  --primary-light: #2a5298;
  --gold: #C8982E;
  --gold-light: #e0b44a;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f0f2f5;
  --gray-200: #e8ecef;
  --gray-600: #6c757d;
  --gray-800: #343a40;
  --text: #1a2535;
  --shadow-sm: 0 2px 8px rgba(30,58,95,0.08);
  --shadow-md: 0 4px 20px rgba(30,58,95,0.12);
  --shadow-lg: 0 8px 40px rgba(30,58,95,0.18);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
}

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

/* ---- 布局容器 ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 50px 0; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 12px;
}
.section-sub {
  text-align: center;
  color: var(--gray-600);
  font-size: 1rem;
  margin-bottom: 50px;
}
.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  margin: 14px auto 0;
  border-radius: 2px;
}
.bg-light { background: var(--gray-50); }
.bg-primary { background: var(--primary); }

/* ---- Header / Nav ---- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(30,58,95,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(200,152,46,0.2);
  transition: box-shadow var(--transition);
}
#header.scrolled { box-shadow: var(--shadow-lg); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
}
.logo svg { flex-shrink: 0; }
.logo-text span { display: block; }
.logo-text .logo-en {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.7;
  letter-spacing: 0.05em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 4px;
  transition: all var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
  background: rgba(200,152,46,0.1);
}
.nav-cta {
  background: linear-gradient(135deg, var(--gold), var(--gold-light)) !important;
  color: var(--primary) !important;
  font-weight: 600 !important;
  padding: 8px 20px !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* 汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- Hero区域 ---- */
.hero {
  padding-top: 70px;
  min-height: 90vh;
  background: linear-gradient(135deg, #0d1f35 0%, var(--primary) 50%, #1a3d6e 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C8982E' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,152,46,0.15);
  border: 1px solid rgba(200,152,46,0.3);
  color: var(--gold-light);
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(200,152,46,0.4);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(200,152,46,0.5); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  display: block;
}
.hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.6); }

/* ---- 服务卡片 ---- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--gold), var(--gold-light));
  transition: height var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { height: 100%; }
.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}
.service-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--gray-600); line-height: 1.7; }
.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--gold);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 16px;
  transition: gap var(--transition);
}
.service-card:hover .card-link { gap: 8px; }

/* ---- 优势区域 ---- */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.advantage-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.advantage-card:hover { box-shadow: var(--shadow-md); }
.adv-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(30,58,95,0.08), rgba(30,58,95,0.04));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.advantage-card h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.advantage-card p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.65; }

/* ---- 流程步骤 ---- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  z-index: 0;
}
.step {
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  font-size: 1.6rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 4px solid var(--white);
  box-shadow: 0 4px 16px rgba(30,58,95,0.3);
}
.step h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.step p { font-size: 0.88rem; color: var(--gray-600); line-height: 1.7; }

/* ---- 联系表单 ---- */
.contact-section {
  background: linear-gradient(135deg, var(--primary) 0%, #2a4d7a 100%);
  padding: 80px 0;
}
.contact-section .section-title { color: var(--white); }
.contact-section .section-sub { color: rgba(255,255,255,0.65); }
.contact-section .section-title::after {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
.contact-info h3 { font-size: 1.4rem; font-weight: 700; color: var(--white); margin-bottom: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.85);
}
.contact-item .ci-icon {
  width: 40px;
  height: 40px;
  background: rgba(200,152,46,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.contact-item .ci-text strong { display: block; color: var(--gold); font-size: 0.85rem; margin-bottom: 2px; }
.contact-item .ci-text span { font-size: 0.95rem; }
.contact-form-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 16px 60px rgba(0,0,0,0.2);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--gray-800); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.08);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.form-submit:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(30,58,95,0.35); }
#form-status {
  display: none;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-top: 14px;
  text-align: center;
}
#form-status.success { background: #d4edda; color: #155724; }
#form-status.error { background: #f8d7da; color: #721c24; }

/* ---- Footer ---- */
#footer {
  background: #0d1f35;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 30px;
}
.footer-brand p { font-size: 0.88rem; line-height: 1.8; margin-top: 16px; max-width: 260px; }
.footer-col h4 { color: var(--gold); font-size: 0.95rem; font-weight: 700; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}
.footer-bottom a { color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--gold); }

/* ---- 页面横幅（子页使用）---- */
.page-banner {
  padding-top: 70px;
  background: linear-gradient(135deg, #0d1f35, var(--primary));
  padding-bottom: 60px;
  text-align: center;
}
.page-banner h1 { font-size: 2.2rem; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.page-banner p { color: rgba(255,255,255,0.7); font-size: 1rem; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
}
.breadcrumb a { color: var(--gold-light); }
.breadcrumb a:hover { text-decoration: underline; }

/* ---- 服务详情页 ---- */
.service-detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }
.detail-content h2 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin: 32px 0 14px; }
.detail-content h2:first-child { margin-top: 0; }
.detail-content p { font-size: 0.95rem; color: var(--gray-600); line-height: 1.85; margin-bottom: 16px; }
.detail-content ul { list-style: disc; padding-left: 20px; margin-bottom: 16px; }
.detail-content ul li { font-size: 0.95rem; color: var(--gray-600); line-height: 1.8; }
.detail-sidebar { position: sticky; top: 90px; }
.sidebar-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px;
  margin-bottom: 24px;
}
.sidebar-card h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--gold); }
.sidebar-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.9rem;
  color: var(--gray-800);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list li::before { content: '✓'; color: var(--gold); font-weight: 700; }
.sidebar-cta { background: linear-gradient(135deg, var(--primary), var(--primary-light)); padding: 28px; text-align: center; }
.sidebar-cta h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 8px; }
.sidebar-cta p { color: rgba(255,255,255,0.7); font-size: 0.88rem; margin-bottom: 20px; }
.sidebar-cta .btn-gold { width: 100%; justify-content: center; }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-detail-grid { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 1.6rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: rgba(30,58,95,0.98); padding: 20px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 1.6rem; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process-steps::before { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .contact-form-box { padding: 24px; }
}
@media (max-width: 480px) {
  .process-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .hero-btns { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
}