:root {
  --primary-blue: #104066;
  --dark-blue: #0a2d4a;
  --primary-red: #cf0106;
  --bright-red: #e63946;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --medium-gray: #6c757d;
  --dark-gray: #212529;
  --gold: #ffd700;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
  --sunshine-yellow: #FFD700;
  --warm-orange: #FF8C00;
}

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

body {
  font-family: "Open Sans", sans-serif;
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: #fff;

}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary-blue);
  margin-bottom: 1rem;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 4px;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 16px;
}

.btn-primary {
  background-color: var(--primary-red);
  color: white;
}

.btn-primary:hover {
  background-color: var(--bright-red);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
  background-color: rgba(16, 64, 102, 0.05);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* HEADER STYLES */
header {
  position: fixed;
  top: 0;
  left: 0;
	right: 0;
  width: 100%;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 10px 0;
}

.header-container {
  height: 50px;
  display: flex;
  justify-content: space-between;
  /* align-items: center; */
}

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

.logo img{
  height: 40px;
}

.logo-monogram {
  width: 50px;
  height: 50px;
  background-color: var(--primary-red);
  color: white;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 28px;
  margin-right: 12px;
}

.logo-text {
	flex: 1;
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--primary-blue);
  line-height: 1.2;
}

.logo-tagline {
  font-size: 12px;
  color: var(--medium-gray);
  margin-top: 2px;
  letter-spacing: 0.5px;
}

.nav-menu {
	height: 100%;
  display: flex;
  list-style: none;
	/* align-items: center; */
}

.nav-menu li {
	
	height: 100%;
  margin-left: 20px;
	position: relative;
	display: flex;
	align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--dark-gray);
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 14px;
  position: relative;
  padding: 5px 0;
  transition: var(--transition);
}

.nav-menu a:hover {
  color: var(--primary-red);
}

.nav-menu > li > a .fa-chevron-down {
  transition: var(--transition);
}

.nav-menu > li > a:hover .fa-chevron-down {
  transform: rotate(180deg);
}

.nav-menu > li > a.active {
  color: var(--primary-red);
	pointer-events: none;
}

.nav-menu > li > a.active::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-red);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -10px;
  background-color: white;
  min-width: calc(100% + 10px);
  width: 180px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1001;
}

.nav-menu li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
  width: 100%;
}

.dropdown-menu a {
  padding: 12px 10px;
  width: 100%;
  color: var(--dark-gray);
  display: block;
  border-left: 3px solid transparent;
}

.dropdown-menu a:hover {
  background-color: rgba(16, 64, 102, 0.05);
  color: var(--primary-red);
  border-left-color: var(--primary-red);
}

.dropdown-menu a.active {
  background-color: rgba(16, 64, 102, 0.05);
  color: var(--primary-red);
  pointer-events: none;
}

.dropdown-menu a i {
  margin-right: 10px;
  width: 20px;
  text-align: center;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--primary-blue);
  cursor: pointer;
}

/* FOOTER */
footer {
  background-color: var(--primary-blue);
  color: white;
  padding: 70px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.9fr 2fr 1.2fr 1.3fr 1.5fr;
  gap: 20px;
  margin-bottom: 50px;
}

.footer-logo .logo img {
  width: 90%;
  height: auto;
}

.footer-logo .logo-monogram {
  background-color: white;
  color: var(--primary-red);
}

.footer-logo .logo-main {
  color: white;
	font-size: 14px;
}

.footer-logo .logo-tagline {
  color: rgba(255, 255, 255, 0.7);
}

.footer-column {
  font-size: 15px;
}

.footer-column h4 {
  color: white;
  font-size: 18px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary-red);
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-column ul li a:hover {
  color: white;
  padding-left: 5px;
}

/* .footer-contact{
	width: 200px;
} */

.footer-contact p,.footer-contact a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
	word-break: break-all;
  text-decoration: none;
}

.footer-contact i {
  margin-right: 10px;
  color: var(--primary-red);
  margin-top: 3px;
}

.footer-social {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.footer-social a:hover {
  background-color: var(--primary-red);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 15px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

/* RESPONSIVE STYLES */
@media (max-width: 1200px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* RESPONSIVE STYLES */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-menu{
    display: none;
    height: auto;
  }

  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
  }

  .nav-menu.active li {
    margin: 10px 0;
    width: 100%;
    height: auto;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 10px 0 0 20px;
    display: none;
  }

  .nav-menu.active li:hover .dropdown-menu {
    display: block;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

}


/* 表单 */
.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark-blue);
  font-size: 15px;
}

.form-group label.required::after {
  content: ' *';
  color: var(--primary-red);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--light-gray);
  border-radius: 4px;
  font-size: 16px;
  font-family: 'Open Sans', sans-serif;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(16, 64, 102, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}


/* 页面加载遮罩 */
.page-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.3s ease-out;
}

.page-loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}