/* 全局变量定义 */
:root {
  --color-primary: #2fa8e1;
  --color-secondary: #FF7A45;
  --color-neutral: #F5F7FA;
  --color-dark: #333647;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-yellow-400: #facc15;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-lg: 5px;
  --radius-full: 9999px;
  --transition-default: transform 0.3s ease;
  --basic-height:43px;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: #fff;
  box-shadow: var(--shadow-sm);
  padding: 13.5px 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
}

.logo-icon {
  color: var(--color-primary);
  font-size: 27px;
}

.logo-text {
  font-size: 22.5px;
  font-weight: 700;
  color: var(--color-primary);
}

.main-nav {
  display: none;
  align-items: center;
  gap: 36px;
}

.nav-link {
  color: var(--color-dark);
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--color-primary);
}

.phone-button {
  background-color: var(--color-primary);
  color: #fff;
  padding: 9px 22.5px;
  border-radius: var(--radius-full);
  transition: background-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.phone-button:hover {
  background-color: rgba(42, 92, 153, 0.9);
}

.mobile-menu-button {
  font-size: 22.5px;
  color: var(--color-dark);
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .main-nav {
      display: flex;
  }
  .mobile-menu-button {
      display: none;
  }
  .logo-text {
      font-size: 27px;
  }
}

/* 英雄区域 */
.hero-section {
  background: linear-gradient(135deg, #2b94c6 0%, #389ccb 100%);
  color: #fff;
  padding: 72px 0;
  text-align: center;
}

.hero-title {
  font-size: 40.5px;
  font-weight: 700;
  margin-bottom: 27px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
  color: #fff;
}

.hero-description {
  font-size: 20.25px;
  margin-bottom: 45px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: center;
}

.primary-button {
  background-color: var(--color-secondary);
  color: #fff;
  padding: 13.5px 36px;
  border-radius: var(--radius-full);
  font-size: 20.25px;
  font-weight: 500;
  transition: background-color 0.15s ease;
  box-shadow: var(--shadow-lg);
  display: inline-block;
}

.primary-button:hover {
  background-color: rgba(255, 122, 69, 0.9);
  color: #fff;
}

.secondary-button {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  color: #fff;
  padding: 13.5px 36px;
  border-radius: var(--radius-full);
  font-size: 20.25px;
  font-weight: 500;
  transition: background-color 0.15s ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: inline-block;
}

.secondary-button:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

@media (min-width: 640px) {
  .hero-buttons {
      flex-direction: row;
  }
}

@media (min-width: 768px) {
  .hero-section {
      padding: 108px 0;
  }
  .hero-title {
      font-size: 54px;
  }
  .hero-description {
      font-size: 22.5px;
  }
}

/* 通用区块标题 */
.section-title2{
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--color-primary);
  text-align: center;
}

.section-subtitle {
  color: var(--color-gray-600);
  max-width: 480px;
  margin: 0 auto 72px;
  text-align: center;
}

/* 定制服务介绍 */
.intro-section {
  padding: 72px 0;
  background-color: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 72px;
}

.feature-card {
  background-color: var(--color-neutral);
  padding: 20px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-default);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 20px rgba(0,0,0,0.15);
}

.feature-icon {
width: 65px;
height: 65px;
background-color: rgba(42, 92, 153, 0.1);
border-radius: var(--radius-full);
display: flex;
align-items: center;
justify-content: center;
margin-bottom: 20px;
}

.feature-icon i {
  color: var(--color-primary);
  font-size: 27px;
  line-height: normal;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 13.5px;
}

.feature-description {
color: var(--color-gray-600);
font-size: 16px;
 margin-bottom: 0;
}

.process-box {
  background-color: rgba(42, 92, 153, 0.05);
  padding: 36px;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.process-title {
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--color-primary);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
  width: 100%;
}

.process-step {
  display: flex;
  align-items: center;
}

.step-number {
  width: 45px;
  height: 45px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-right: 13.5px;
}

.process-button {
  background-color: var(--color-primary);
  color: #fff;
  padding: 13.5px 27px;
  border-radius: var(--radius-full);
  transition: background-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.process-button:hover {
  background-color: rgba(42, 92, 153, 0.9);
}

@media (min-width: 768px) {
  .section-title2{
      font-size: 33.75px;
  }
  .features-grid {
      grid-template-columns: repeat(3, 1fr);
  }
  .process-box {
      flex-direction: row;
      align-items: center;
  }
  .process-steps {
      flex-direction: row;
      margin-bottom: 0;
      width: 66.666%;
  }
  .process-button-container {
      width: 33.333%;
      text-align: right;
  }
}

/* 热门目的地 */
.destinations-section {
  padding: 72px 0;
  background-color: var(--color-neutral);
}

.section-heading {
  font-size:20px;
  font-weight: 700;
  margin-bottom: 27px;
  color: var(--color-dark);
}

.countries-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 54px;
}

.country-card {
  background-color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition-default);
}

.country-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 20px rgba(0,0,0,0.15);
}

.country-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.country-info {
  padding: 10px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.country-name {
  font-weight: bold;
  font-size: 16px;
}

.country-cities {
  font-size: 15.75px;
  color: var(--color-gray-500);
}

.cities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 27px;
  margin-bottom: 45px;
}

.city-card {
  background-color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition-default);
  display: flex;
  flex-direction: column;
}

.city-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 20px rgba(0,0,0,0.15);
}

.city-image {
  width: 100%;
  height: 270px;
  object-fit: cover;
}

.city-info {
  padding: 27px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.city-name {
  font-size: 22.5px;
  font-weight: 700;
  margin-bottom: 9px;
}

.city-description {
  color: var(--color-gray-600);
  margin-bottom: 18px;
}

.city-rating {
  display: flex;
  align-items: center;
  color: var(--color-yellow-400);
  margin-bottom: 9px;
}

.rating-text {
  color: var(--color-gray-600);
  font-size: 18px;
  margin-left: 9px;
}

.city-link {
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4.5px;
}

.city-link:hover {
  color: rgba(42, 92, 153, 0.8);
}

.more-button {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 13.5px 27px;
  border-radius: var(--radius-full);
  transition: all 0.15s ease;
  display: inline-block;
}

.more-button:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.centered-button {
  text-align: center;
}

@media (min-width: 640px) {
  .countries-grid {
      grid-template-columns: repeat(3, 1fr);
  }
  .cities-grid {
      grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .countries-grid {
      grid-template-columns: repeat(6, 1fr);
  }
  .city-card {
      flex-direction: row;
  }
  .city-image {
      width: 50%;
      height: auto;
  }
  .city-info {
      width: 50%;
  }
}

@media (min-width: 1024px) {
  .cities-grid {
      grid-template-columns: repeat(3, 1fr);
  }
}

/* 定制表单 */
.form-section {
  padding: 72px 0;
  background-color: #fff;
}

.custom-form-container {
  max-width: 960px;
  margin: 0 auto;
  background-color: var(--color-neutral);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.form-sidebar {
  background: linear-gradient(135deg, #2A5C99 0%, #1E4A7F 100%);
  color: #fff;
  padding: 36px;
}

.form-sidebar-title {
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 27px;
}

.form-sidebar-description {
  margin-bottom: 36px;
  opacity: 0.9;
}

.sidebar-features {
  display: flex;
  flex-direction: column;
  gap: 27px;
}

.sidebar-feature {
  display: flex;
  align-items: flex-start;
}

.sidebar-feature-icon {
  width: 45px;
  height: 45px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 18px;
  margin-top: 4.5px;
}

.feature-title-small {
  font-weight: 700;
  margin-bottom: 4.5px;
}

.feature-description-small {
  font-size: 15.75px;
  opacity: 0.8;
}

.form-content {
  padding: 36px;
  flex: 1;
}

.custom-form {
  display: flex;
  flex-direction: column;
  gap: 27px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 27px;
}

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

.form-label {
  color: var(--color-gray-700);
  margin-bottom: 9px;
  font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
  font-size: 14px;
  line-height: 1.5;
  padding: 10px 15px !important;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-300);
  transition: all 0.15s ease;
  outline: none;
  box-sizing: border-box;
  width: 100%;
}

.form-input{
height:var(--basic-height);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
#link-number:focus{
  box-shadow: 0 0 0 2px var(--color-primary);
  border-color: transparent;
}

.form-textarea {
  min-height: 100px;
  resize: none;
  width: 100%;
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
}

.form-checkbox {
  margin-top: 4.5px;
  margin-right: 13.5px;
}

.checkbox-label {
  font-size: 15.75px;
  color: var(--color-gray-600);
}

.link-text {
  color: var(--color-primary);
  text-decoration: underline;
}

.link-text:hover {
  text-decoration: underline;
}

.submit-button {
  width: 100%;
  background-color: var(--color-secondary);
  color: #fff;
  padding: 18px;
  border-radius: var(--radius-lg);
  font-weight: 500;
  transition: background-color 0.15s ease;
  box-shadow: var(--shadow-lg);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}

.submit-button:hover {
  background-color: rgba(255, 122, 69, 0.9);
}

@media (min-width: 768px) {
  .custom-form-container {
      flex-direction: row;
  }
  .form-sidebar {
      width: 40%;
      padding: 54px;
  }
  .form-content {
      width: 60%;
      padding: 54px;
  }
  .form-row {
      flex-direction: row;
  }
  .form-group {
      width: 50%;
  }
}

/* 客户评价 */
.reviews-section {
  padding: 72px 0;
  background-color: var(--color-neutral);
}

.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.review-card {
  background-color: #fff;
  padding: 36px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.review-rating {
  display: flex;
  align-items: center;
  color: var(--color-yellow-400);
  margin-bottom: 18px;
}

.review-text {
  color: var(--color-gray-600);
  margin-bottom: 27px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
}

.author-avatar {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-right: 18px;
}

.author-name {
  font-weight: 700;
}

.author-trip {
  font-size: 15.75px;
  color: var(--color-gray-500);
}

@media (min-width: 768px) {
  .reviews-grid {
      grid-template-columns: repeat(3, 1fr);
  }
}

/* 页脚 */
.site-footer {
  background-color: var(--color-dark);
  color: #fff;
  padding: 54px 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 27px;
}

.footer-logo-icon {
  color: #fff;
  font-size: 27px;
}

.footer-logo-text {
  font-size: 22.5px;
  font-weight: 700;
}

.footer-description {
  color: var(--color-gray-400);
  margin-bottom: 27px;
}

.social-links {
  display: flex;
  gap: 18px;
}

.social-link {
  width: 45px;
  height: 45px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease;
}

.social-link:hover {
  background-color: var(--color-primary);
}

.footer-heading {
  font-size: 20.25px;
  font-weight: 700;
  margin-bottom: 27px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 13.5px;
}

.footer-link {
  color: var(--color-gray-400);
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: #fff;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 13.5px;
  margin-bottom: 13.5px;
}

.contact-icon {
  color: var(--color-primary);
  margin-top: 4.5px;
}

.contact-text {
  color: var(--color-gray-400);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 36px;
  text-align: center;
  color: var(--color-gray-500);
  font-size: 15.75px;
}

@media (min-width: 768px) {
  .footer-content {
      grid-template-columns: repeat(4, 1fr);
  }
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  background-color: var(--color-primary);
  color: #fff;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
/* 国家复选框样式 */
.country-card {
position: relative; /* 添加相对定位，让复选框可以绝对定位 */
}

.country-checkbox-container {
/* position: absolute;
top: 18px;
right: 18px;
z-index: 10; */
}

.country-checkbox {
display: none; /* 隐藏原生复选框 */
}

.country-checkbox-container{
display: flex;
align-items: center;
position: relative;
}

.country-checkbox-label {
display: inline-block;
width: 25px;
height: 25px;
background-color: rgb(254 254 254 / 80%);
border-radius: 50%;
border: 2px solid #cccccc;
cursor: pointer;
position: relative;
box-shadow: var(--shadow-sm);
transition: all 0.2s ease;
}

.country-checkbox-container .country-checkbox{
position: absolute !important;
top: 0;
}

.country-checkbox-label:hover {
background-color: #fff;
}

.country-checkbox:checked + .country-checkbox-label {
background-color: var(--color-primary);
}

.country-checkbox:checked + .country-checkbox-label::after {
content: '\f26a';
font-family: "bootstrap-icons";
color: white;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
font-size: 13px;
}

/* 选中状态下的卡片样式 */
.country-card.selected {
border: 2px solid var(--color-primary);
transform: translateY(-4px);
box-shadow: 0 8px 16px rgba(42, 92, 153, 0.2);
}

input[type=checkbox]::before{
display: none;
}

.form-item2{
display: flex;
align-items: center;
}

.form-item2 .section-heading{
margin-bottom: 0;
flex: none;
white-space: nowrap;
margin-right: 10px;
}
#diy-destination{
width: 100%;
}

.form-plan-3{
display: grid;
grid-template-columns: repeat(3,1fr);
justify-content: center;
gap: 50px;
}

.form-plan-item-title{
font-size: 15px;
margin-bottom: 10px;
}

.form-plan-date{
display: flex;
align-items: center;
justify-content: space-between;
height: var(--basic-height);
cursor: pointer;
}

.form-plan-date,.form-diy-select{
border:1px solid var(--color-gray-300);
border-radius: var(--radius-lg);
background-color: #fff;
}

.form-plan-date input{
font-size: 14px;
background-color: transparent;
padding: 10px;
width: 100%;
text-align: center;
cursor: pointer;
}

.form-diy-select{
position: relative;
display: flex;
align-items: center;
height: var(--basic-height);
padding-right: 10px;
cursor: pointer;
}

.form-diy-select-input{
padding: 10px 15px;
font-size: 14px;
background-color: transparent;
box-sizing: border-box;
width: 100%;
cursor: pointer;
}

.form-diy-select-option-list{
position: absolute;
top: 100%;
margin-top: 5px;
width: 100%;
background-color: #fff;
border-radius: var(--radius-lg);
box-shadow:0px 0px 5px 0px #dedede;
padding:0;
transition: transform .2s;
transform: scaleY(0);
transform-origin: top;
}

.openlist{
transform: scaleY(1);
}

.openicon{
transform: rotate(180deg);
}

.form-diy-select-option-list li{
padding: 5px 20px;
font-size: 14px;
}

.form-diy-select-option-list li.select-li{
background-color: gray;
color: #fff;
}

.form-diy-select-option-list li:hover{
background-color: gray;
color: #fff;
}

.form-diy-select i{
font-size: 14px;
}

.form-plan-2{
display: grid;
grid-template-columns: repeat(2,1fr);
gap: 50px;
}

.radio-list{
display: flex;
gap: 70px;
}

.radio-item input{
background-color:#ececec !important;
border-radius: 50% !important;
border: 2px solid #c4c4c4;
width: 20px !important;
height: 20px !important;
}

.radio-item{
display: flex;
align-items: center;
}

.radio-item label{
font-size: 15px;
padding-left: 10px;
}

.radio-item input[type=radio]:checked{
border-color: var(--color-primary) !important;
background-color: #e1f2ff !important;
}

.radio-item input[type=radio]::before{
border-radius: 50%;
background-color:var(--color-primary) !important;
width: 10px;
height: 10px;
}

.required-icon{
color:rgb(220 18 18);
}

.form-button{
width: 100%;
height: var(--basic-height);
color: #fff;
background-color: var(--color-primary);
border-radius: var(--radius-lg);
}

#link-number{
font-size: 14px;
line-height: 1.5;
padding: 10px 15px;
border-radius: var(--radius-lg);
border: 1px solid var(--color-gray-300);
transition: all 0.15s ease;
outline: none;
box-sizing: border-box;
width: 100%;
}

.iti{
width: 100%;
}

.calendar-holder{
position: relative;
}

.calendar-holder .flatpickr-calendar{
top: 100% !important;
margin-top: 10px;
}

#dateRange{
position: relative;
z-index: 1;
}

.calendar-holder{
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 100%;
z-index: -1;
}

.select-date{
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
z-index: 1;
display: flex;
align-items: center;
justify-content: space-between
}

.calendar-holder .flatpickr-current-month .flatpickr-monthDropdown-months .flatpickr-monthDropdown-month,
.calendar-holder .flatpickr-current-month .flatpickr-monthDropdown-months,
.calendar-holder .flatpickr-current-month input.cur-year{
font-size: 15px !important;
}

.calendar-holder .flatpickr-months .flatpickr-prev-month, .flatpickr-months .flatpickr-next-month{
padding: 5px 10px;
}

.hideval{
display: none;
}

.country-card{
  cursor: pointer;
}


.calendar-holder .fp-open-up {
  top: auto !important;
  bottom: 100% !important;
  margin-bottom: 10px;
  animation: fpFadeUp 0.2s ease-out !important;
}
.calendar-holder .fp-open-up::before,
.calendar-holder .fp-open-up::after {
  top: auto !important;
  transform: rotate(180deg);
}

.calendar-holder .fp-open-up::before{
  bottom: -10px !important;
}

.calendar-holder .fp-open-up::after{
  bottom: -7px !important;
}

@keyframes fpFadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.intelParent{
  position: relative;
}

.iti-mobile .iti--container{
  top: 100%;
  z-index: 9;
}

.form-diy-select-option-list {
  top: 100%;
}

.form-diy-select-option-list.open-up {
  top: auto;
  bottom: 100%;
  transform-origin: bottom;
}

.iti-open-up {
  top: 0 !important;
}

.iti__flag-container{
  z-index: 9;
}