* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

.header-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.logo-row {
  width: 100%;
  display: flex;
  justify-content: center;
  background: white;
  border-bottom: 4px solid #D8DFE9;
  padding: 10px 0 8px 0;
}

.logo-inner {
  width: 100%;
  max-width: 1260px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: #1e2f4a;
  border-radius: 4px;
  transition: all 0.25s ease;
}

.nav-bar {
  width: 100%;
  display: flex;
  justify-content: center;
  background: white;
  border-top: none;
}

.nav-inner {
  width: 100%;
  max-width: 1260px;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0px 24px;
  min-height: 52px;
  overflow: hidden;
  max-height: 500px;
  opacity: 1;
  transition: max-height 0.35s ease-in-out, opacity 0.25s ease, padding 0.3s;
}

.nav-inner a {
  color: #1e2f4a;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0px 12px;
  display: block;
  height: 52px;
  line-height: 52px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  letter-spacing: 0.3px;
  white-space: nowrap;
  border-top: 2px solid transparent;
}

.nav-inner a:hover {
  background: #ECECEC;
  color: #0a2a44;
  border-top-color: #254A7E;
}
.nav-inner .active {
  background: #ECECEC;
  color: #0a2a44;
  border-top-color: #254A7E;
}

.nav-inner .spacer {
  flex: 1;
  min-width: 20px;
}

.header-placeholder {
  width: 100%;
  display: block;
}

@media (max-width: 768px) {
  .logo-inner {
    padding: 0 16px;
  }
  .nav-inner {
    padding: 0 16px;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 2px 0;
    padding: 0 16px;
    max-height: 0;
    opacity: 0;
    min-height: 0;
    border-top: none;
    background: white;
    transition: max-height 0.4s ease-in-out, opacity 0.3s ease, padding 0.3s, background 0.2s;
  }
  .nav-inner.open {
    max-height: 400px;
    opacity: 1;
    padding: 8px 16px 16px 16px;
    background: white;
    border-top: none;
  }
  .nav-inner a {
    font-size: 0.9rem;
    padding: 0 12px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    border-top: none;
    border-bottom: 1px solid #eef2f7;
    white-space: normal;
  }
  .nav-inner a:last-child {
    border-bottom: none;
  }
  .nav-inner a:hover {
    background: #ECECEC;
    border-top-color: transparent;
    border-bottom-color: #254A7E;
  }
  .nav-inner .spacer {
    display: none;
  }
  .logo-img {
    height: 40px;
  }
}

@media (max-width: 480px) {
  .logo-inner {
    padding: 0 12px;
  }
  .nav-inner {
    padding: 0 12px;
  }
  .logo-row {
    padding: 6px 0 6px 0;
  }
  .logo-img {
    height: 34px;
  }
  .menu-toggle {
    width: 24px;
    height: 20px;
  }
  .nav-inner a {
    height: 40px;
    line-height: 40px;
    font-size: 0.85rem;
  }
}

.footer-section {
  width: 100%;
  background: #1a2a4a;
  padding: 50px 20px 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-top: 4px solid #254A7E;
}

.footer-inner {
  width: 100%;
  max-width: 1260px;
  padding: 0 24px;
  display: flex;
  gap: 50px;
  padding-bottom: 30px;
}

.footer-left {
  flex: 0 0 320px;
  min-width: 0;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo img {
  max-height: 60px;
  width: auto;
  display: block;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact .contact-item {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  word-break: break-word;
}

.footer-contact .contact-item:first-child {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
}

.footer-right {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 30px;
  min-width: 0;
}

.footer-col h4 {
  font-size: 1.0rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.footer-col h4 a{
  font-size: 1.0rem;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
  line-height: 1.5;
}

.footer-col ul li a:hover {
  color: #ffffff;
}

.footer-bottom {
  width: 100%;
  max-width: 1260px;
  padding: 18px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.40);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.50);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: #ffffff;
}

@media (max-width: 1024px) {
  .footer-inner {
    flex-direction: column;
    gap: 30px;
    padding-bottom: 20px;
  }
  .footer-left {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
  }
  .footer-logo {
    margin-bottom: 0;
  }
  .footer-right {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .footer-section {
    padding: 35px 16px 0 16px;
  }
  .footer-inner {
    padding: 0 8px;
    gap: 25px;
    padding-bottom: 16px;
  }
  .footer-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .footer-right {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-col h4 {
    font-size: 0.9rem;
    margin-bottom: 10px;
  }
  .footer-col ul li a {
    font-size: 0.82rem;
  }
  .footer-bottom {
    padding: 14px 8px;
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .footer-section {
    padding: 25px 12px 0 12px;
  }
  .footer-inner {
    padding: 0 4px;
    gap: 20px;
    padding-bottom: 12px;
  }
  .footer-right {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .footer-col h4 {
    font-size: 0.8rem;
    margin-bottom: 8px;
  }
  .footer-col ul li {
    margin-bottom: 5px;
  }
  .footer-col ul li a {
    font-size: 0.75rem;
  }
  .footer-contact .contact-item {
    font-size: 0.8rem;
  }
  .footer-logo img {
    max-height: 45px;
  }
  .footer-bottom {
    padding: 12px 4px;
    font-size: 0.65rem;
  }
}

/* ============================================================
   内页小横幅 (所有子页面通用)
   ============================================================ */

.page-banner {
  width: 100%;
  height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  position: relative;
  margin-top: 0;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.0);
  z-index: 1;
}

.page-banner .banner-inner {
  width: 100%;
  max-width: 1260px;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.page-banner .banner-content {
  max-width: 880px;
  margin: 0 auto;
  color: white;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.page-banner .banner-content h1 {
  font-size: clamp(2.0rem, 5vw, 3.3rem);
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 0.2em;
  line-height: 1.2;
}

.page-banner .banner-content h1 small {
  display: block;
  font-size: 0.5em;
  font-weight: 300;
  letter-spacing: 4px;
  opacity: 0.9;
  margin-top: 28px;
}

.page-banner .banner-content .banner-sub {
  font-size: clamp(1.0rem, 2vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 2px;
  margin-top: 12px;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .page-banner {
    height: 320px;
  }
  .page-banner .banner-content h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
  }
  .page-banner .banner-content h1 small {
    font-size: 0.45em;
  }
  .page-banner .banner-content .banner-sub {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .page-banner {
    height: 260px;
    padding: 12px;
  }
  .page-banner .banner-inner {
    padding: 0 12px;
  }
  .page-banner .banner-content h1 {
    font-size: clamp(1.2rem, 3.5vw, 1.8rem);
  }
  .page-banner .banner-content h1 small {
    font-size: 0.4em;
    letter-spacing: 2px;
  }
  .page-banner .banner-content .banner-sub {
    font-size: 0.75rem;
    margin-top: 8px;
  }
}


/* ----- 文章内容容器 ----- */
.contact-text {
  font-size: 1rem;
  line-height: 1.9;
  color: #333;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.contact-text img {
  max-width: 100%;
}

/* ----- 表格美化 ----- */
.contact-text table {
  width: 100% !important;
  border-collapse: collapse;
  font-size: 0.95rem;
  border: 1px solid #dce0e6;
}

/* 表头 - 优化样式 */
.contact-text table  th {
  background: #254A7E; 
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 16px;
  text-align:center; color:#FFF;
  letter-spacing: 0.5px;
  border: 2px solid #e8ecf0;
}

/* 表格单元格 */
.contact-text table  td {
  padding:6px;
  border-left: 1px solid #e8ecf0;
  border-top: 1px solid #e8ecf0;
}