/* ===== 复刻自参考站的主色调 ===== */
:root {
  --navy: #0e4690;       /* 顶部导航深蓝 */
  --blue: #016db6;       /* 高亮蓝 */
  --footer-blue: #2761ae;/* 页脚蓝 */
  --light: #dee2ec;
  --white: #fff;
  --dark: #222;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: #333; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== 顶部导航 ===== */
.head { background: var(--navy); position: sticky; top: 0; z-index: 100; }
.head-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; padding: 0 20px;
}
.logo img { height: 45px; }
.nav > ul { display: flex; }
.nav > ul > li { position: relative; }
.nav > ul > li > a { display: block; padding: 0 16px; height: 70px; line-height: 1.2; display: flex; align-items: center; color: #fff; text-align: center; }
.nav > ul > li > a p { font-size: 16px; }
.nav > ul > li > a i { display: block; font-size: 11px; font-style: normal; opacity: 0.7; text-transform: capitalize; }
.nav > ul > li.active > a,
.nav > ul > li:hover > a { background: var(--blue); }

/* 二级菜单 */
.submenu {
  position: absolute; top: 70px; left: 0; width: 150px;
  background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
}
.nav > ul > li:hover .submenu { max-height: 400px; }
.submenu a { display: block; padding: 12px 10px; color: #252525; font-size: 14px; text-align: center; }
.submenu a:hover { color: #fff; background: var(--blue); }

/* ===== 轮播图 ===== */
.banner .swiper { height: 480px; }
.banner .swiper-slide img { width: 100%; height: 480px; object-fit: cover; }
.swiper-pagination-bullet { background: #fff; opacity: 0.6; }
.swiper-pagination-bullet-active { background: var(--blue); opacity: 1; }
.swiper-button-prev, .swiper-button-next { color: #fff; }

/* ===== 数据统计 ===== */
.stats { background: var(--blue); }
.stats-inner {
  max-width: 1200px; margin: 0 auto; padding: 40px 20px;
  display: flex; justify-content: space-around; text-align: center; color: #fff;
}
.stat .num { font-size: 42px; font-weight: bold; }
.stat .unit { font-size: 20px; }
.stat p { font-size: 15px; opacity: 0.9; margin-top: 4px; }

/* ===== 服务介绍 ===== */
.intro { padding: 60px 20px; }
.intro-inner { max-width: 1200px; margin: 0 auto; }
.intro-slogan { text-align: center; margin-bottom: 40px; }
.intro-slogan h2 { font-size: 24px; color: var(--navy); }
.intro-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.card {
  border: 1px solid #eaeaea; padding: 32px 20px; text-align: center;
  transition: all 0.3s ease;
}
.card:hover { box-shadow: 0 8px 20px rgba(14,70,144,0.15); transform: translateY(-4px); }
.card-icon { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%; background: var(--navy); }
.card h3 { font-size: 18px; color: #222; margin-bottom: 10px; }
.card p { font-size: 14px; color: #666; margin-bottom: 18px; }
.card-btn { display: flex; justify-content: center; gap: 10px; }
.card-btn a { padding: 8px 18px; border: 1px solid var(--blue); color: var(--blue); font-size: 13px; border-radius: 3px; transition: all 0.3s; }
.card-btn a.consult { background: var(--blue); color: #fff; }
.card-btn a:hover { background: var(--blue); color: #fff; }

/* ===== 证书查询 ===== */
.query { background: #f5f7fa; padding: 50px 20px; }
.query-inner {
  max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between;
}
.query-text h2 { font-size: 26px; color: var(--navy); }
.query-text p { color: #666; margin-top: 8px; }
.query-actions a { display: inline-block; padding: 12px 28px; border-radius: 3px; font-size: 15px; }
.query-btn { background: var(--blue); color: #fff; margin-right: 12px; }
.query-actions a.consult { border: 1px solid var(--blue); color: var(--blue); }

/* ===== 新闻中心 ===== */
.news { padding: 60px 20px; }
.news-inner { max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; font-size: 26px; color: var(--navy); margin-bottom: 40px; }
.news-list { max-width: 800px; margin: 0 auto; }
.news-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; border-bottom: 1px dashed #ddd;
}
.news-date { color: #999; font-size: 14px; }
.news-item a { color: #333; font-size: 16px; }
.news-item a:hover { color: var(--blue); }

/* ===== 页脚 ===== */
.footer { background: var(--footer-blue); margin-top: 20px; }
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 50px 20px 30px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px;
}
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-col ul { margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--light); font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { background: var(--navy); text-align: center; padding: 16px; }
.footer-bottom p { color: var(--light); font-size: 13px; }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .intro-cards { grid-template-columns: repeat(2, 1fr); }
  .nav > ul > li > a { padding: 0 8px; }
}
@media (max-width: 600px) {
  .intro-cards { grid-template-columns: 1fr; }
  .stats-inner { flex-wrap: wrap; gap: 20px; }
  .nav { display: none; }
}

/* ===== 内页通用样式 ===== */
.page-banner {
  background: linear-gradient(135deg, #0e4690, #016db6);
  color: #fff;
  text-align: center;
  padding: 60px 20px;
}
.page-banner h1 { font-size: 32px; }
.breadcrumb {
  max-width: 1200px; margin: 20px auto 0; padding: 0 20px;
  color: #999; font-size: 14px;
}
.breadcrumb a { color: #666; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: var(--blue); }

.page-content {
  max-width: 1200px; margin: 0 auto; padding: 40px 20px 80px;
}
.page-content h2 { color: var(--navy); font-size: 22px; margin: 28px 0 14px; padding-left: 12px; border-left: 4px solid var(--blue); }
.page-content p { color: #444; font-size: 15px; line-height: 1.9; margin-bottom: 14px; }
.page-content .intro-para { color: #333; }
.page-content ul.text-list { margin: 0 0 16px 20px; }
.page-content ul.text-list li { color: #444; font-size: 15px; line-height: 2; list-style: disc; }
.page-content .timeline-item { display: flex; margin-bottom: 12px; }
.page-content .timeline-item .time { color: var(--blue); font-weight: bold; min-width: 110px; }
.page-content .timeline-item .desc { color: #444; }
.empty-tip {
  text-align: center; color: #bbb; padding: 60px 0;
  font-size: 15px; letter-spacing: 1px;
}

/* ===== 网格列表（服务/认证/案例等） ===== */
.grid-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.grid-item {
  border: 1px solid #eaeaea;
  padding: 20px 16px;
  text-align: center;
  color: #333;
  font-size: 14px;
  border-radius: 4px;
  transition: all 0.3s ease;
  background: #fafbfd;
}
.grid-item:hover {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 4px 12px rgba(14,70,144,0.12);
  transform: translateY(-2px);
}
.contact-info {
  background: #f5f7fa;
  padding: 20px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.contact-info p { margin-bottom: 6px; }
.page-content h2 small { font-size: 14px; color: #999; font-weight: normal; }

@media (max-width: 992px) {
  .grid-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-list { grid-template-columns: 1fr; }
}


/* ===== 报告查询样式 ===== */
.query-box {
  max-width: 720px;
  margin: 20px 0;
  padding: 24px;
  background: #f7f9fc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
}
.query-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.query-form label { font-size: 16px; font-weight: bold; color: var(--navy); white-space: nowrap; }
.query-form input {
  flex: 1;
  min-width: 240px;
  padding: 10px 14px;
  font-size: 15px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  outline: none;
}
.query-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(1,109,182,0.15); }
.query-form button {
  padding: 10px 28px;
  font-size: 16px;
  color: #fff;
  background: var(--navy);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
}
.query-form button:hover { background: var(--blue); }

.query-result { margin-top: 20px; }
.query-result h3 { font-size: 18px; color: var(--navy); margin-bottom: 12px; }
.result-table { width: 100%; border-collapse: collapse; }
.result-table td { padding: 10px 14px; border: 1px solid #e2e8f0; font-size: 15px; }
.result-table td.k { width: 120px; background: #eef3fb; color: #444; font-weight: bold; text-align: right; }
.result-table td.v { color: #222; }

.query-msg {
  margin-top: 16px;
  padding: 12px 16px;
  font-size: 15px;
  border-radius: 4px;
  background: #fff;
}

/* ===== 管理页样式 ===== */
.admin-login {
  max-width: 400px;
  margin: 40px auto;
  padding: 30px;
  background: #f7f9fc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  text-align: center;
}
.admin-login input {
  width: 100%;
  padding: 10px 14px;
  margin: 10px 0;
  font-size: 15px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
}
.admin-login button {
  width: 100%;
  padding: 11px;
  font-size: 16px;
  color: #fff;
  background: var(--navy);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.admin-login button:hover { background: var(--blue); }

.admin-panel { display: none; }
.admin-panel .toolbar { margin: 16px 0; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.admin-panel .toolbar button {
  padding: 9px 18px;
  font-size: 14px;
  color: #fff;
  background: var(--blue);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.admin-panel .toolbar button:hover { opacity: 0.9; }
.admin-panel textarea {
  width: 100%;
  min-height: 120px;
  padding: 10px;
  font-size: 13px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  font-family: monospace;
}
.admin-table { width: 100%; border-collapse: collapse; margin-top: 16px; }
.admin-table th, .admin-table td { padding: 8px 10px; border: 1px solid #e2e8f0; font-size: 13px; text-align: left; }
.admin-table th { background: #eef3fb; color: #333; }
.admin-table tr:nth-child(even) { background: #fafbfd; }