/* 弹窗公共 token 提升到全局，供挂到 body 下的下拉面板复用 */
:root {
  --ui-popup-card-radius: var(--ui-radius-xl);
  --ui-popup-field-radius: var(--ui-radius-xs);
  --ui-popup-surface: var(--ui-color-white);
  --ui-popup-text: var(--ui-color-text-base);
  --ui-popup-border: var(--ui-border-neutral);
  --ui-popup-border-soft: var(--ui-border-neutral-soft);
  --ui-popup-border-subtle: var(--ui-border-neutral-soft);
  --ui-popup-focus-color: var(--ui-color-brand-blue-soft);
  --ui-popup-focus-ring: var(--ui-shadow-brand-focus);
  --ui-popup-card-shadow: var(--ui-shadow-overlay);
  --ui-popup-panel-shadow: var(--ui-shadow-panel);
}

/* 弹窗基础变量 */
.ui-popup {
  --ui-popup-dialog-width: 800px;
  --ui-popup-card-min-height: 650px;
  --ui-popup-card-max-height: 650px;
  --ui-popup-scroll-bottom-gap: 48px;
  --ui-popup-scrollbar-cover-width: 18px;
  --ui-popup-header-bg: #8fcbe1;
  --ui-popup-header-image: url("../img/home/contactUs_bg.png");
  --ui-popup-header-image-size: cover;
  --ui-popup-header-image-position: center bottom;
  --ui-popup-close-font-size: clamp(28px, 1.35vw, 34px);
}

.ui-toast {
  top: 24px;
  left: 50%;
  z-index: 20010;
  min-width: 280px;
  max-width: min(560px, calc(100vw - 32px));
  margin: 0;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, #57bf92 0%, #3aa977 100%);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(18, 73, 53, 0.22);
  transform: translateX(-50%);
}

.ui-toast__body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  text-align: center;
}

.ui-toast__message {
  display: inline-block;
  font-size: var(--font-body-md);
  font-weight: 600;
  line-height: 1.4;
}

.ui-popup .modal-dialog {
  width: min(var(--ui-popup-dialog-width), calc(100vw - 32px));
  max-width: var(--ui-popup-dialog-width);
  margin-left: auto;
  margin-right: auto;
}

/* 弹窗卡片与头部 */
.ui-popup__card {
  position: relative;
  min-height: var(--ui-popup-card-min-height);
  max-height: min(var(--ui-popup-card-max-height), calc(100dvh - 32px));
  border: 0;
  border-radius: var(--ui-popup-card-radius);
  overflow: hidden;
  background: var(--ui-popup-surface);
  color: var(--ui-popup-text);
  box-shadow: var(--ui-popup-card-shadow);
}

.ui-popup__card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: var(--ui-popup-scrollbar-cover-width);
  height: var(--ui-popup-scroll-bottom-gap);
  border-bottom-right-radius: inherit;
  background: var(--ui-popup-surface);
  pointer-events: none;
}

.ui-popup__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 32px 32px 20px;
  border-bottom: 1px solid var(--ui-popup-border-subtle);
  background-color: var(--ui-popup-header-bg);
  background-image: var(--ui-popup-header-image);
  background-position: var(--ui-popup-header-image-position);
  background-repeat: no-repeat;
  background-size: var(--ui-popup-header-image-size);
}

.ui-popup__heading {
  flex: 1 1 auto;
  --section-gap: 8px;
}

.ui-popup__title {
  margin: 0;
  color: #ffffff;
  font-size: var(--font-title-xl);
  font-weight: 700;
  line-height: 1.1;
}

.ui-popup__subtitle {
  margin: 0;
  color: #ffffff;
  font-size: var(--font-title-sm);
  line-height: 1.45;
}

.ui-popup__close {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  color: #ffffff;
  font-size: var(--ui-popup-close-font-size);
  line-height: 1;
  opacity: 1;
  text-shadow: none;
}

.ui-popup__close:hover,
.ui-popup__close:focus {
  color: #ffffff;
  opacity: 0.72;
}

.ui-popup__body {
  flex: 1 1 auto;
  padding: 24px 32px 32px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

body.ui-popup-page-lock {
  overscroll-behavior: none;
}

@media (max-width: 1199.98px) {
  /* 移动端关闭按钮跟随缩小后的标题级字号 */
  .ui-popup {
    --ui-popup-close-font-size: var(--font-title-lg);
  }
}

/* 表单网格与字段 */
.ui-popup-form {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.ui-popup-form__intro {
  margin: 0 0 18px;
  color: rgba(17, 17, 17, 0.72);
  font-size: var(--font-body-md);
  line-height: 1.6;
}

.ui-popup-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.ui-popup-form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ui-popup-form__field--full {
  grid-column: 1 / -1;
}

.ui-popup-form__label {
  margin: 0;
  color: #111111;
  font-size: var(--font-body-sm);
  font-weight: 600;
  line-height: 1.4;
}

.ui-popup-form__label--required::after,
.ui-popup-check__label--required::after {
  content: " *";
  color: #F43530;
}

.ui-popup-form__control {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--ui-popup-border);
  border-radius: var(--ui-popup-field-radius);
  background: var(--ui-popup-surface);
  color: var(--ui-popup-text);
  font-size: var(--font-body-sm);
  line-height: 1.4;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ui-popup-form__control::placeholder {
  color: rgba(17, 17, 17, 0.46);
}

.ui-popup-form__control:focus {
  border-color: var(--ui-popup-focus-color);
  box-shadow: var(--ui-popup-focus-ring);
}

.ui-popup-form__control--select {
  padding-right: 44px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(17, 17, 17, 0.65) 50%),
    linear-gradient(135deg, rgba(17, 17, 17, 0.65) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) calc(50% - 1px),
    calc(100% - 14px) calc(50% - 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.ui-popup-form__control--select:invalid {
  color: rgba(17, 17, 17, 0.48);
}

.ui-popup-form__control--select option {
  color: #111111;
}

.ui-popup-form__captcha-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 0;
  align-items: stretch;
  width: 100%;
}

.ui-popup-form__captcha-input-wrap {
  min-width: 0;
}

.ui-popup-form__captcha-input {
  height: 100%;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.ui-popup-form__captcha-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  min-height: 42px;
  padding: 0 8px;
  border: 1px solid var(--ui-popup-border);
  border-left: 0;
  border-radius: var(--ui-popup-field-radius);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  background: var(--ui-popup-surface);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ui-popup-form__captcha-frame:focus {
  outline: none;
  border-color: var(--ui-popup-focus-color);
  box-shadow: var(--ui-popup-focus-ring);
}

.ui-popup-form__captcha-image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 42px;
  object-fit: cover;
}

.country-combobox {
  position: relative;
}

.country-combobox__native {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.country-combobox__input {
  padding-right: 52px;
  border-color: var(--ui-popup-border-soft);
  border-radius: var(--ui-popup-field-radius);
  background: var(--ui-popup-surface);
}

.country-combobox__toggle {
  position: absolute;
  top: 1px;
  right: 1px;
  bottom: 1px;
  width: 44px;
  padding: 0;
  border: 0;
  border-radius: 0 var(--ui-popup-field-radius) var(--ui-popup-field-radius) 0;
  background: transparent;
}

.country-combobox__toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 16px;
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(17, 17, 17, 0.55);
  border-bottom: 2px solid rgba(17, 17, 17, 0.55);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
  pointer-events: none;
}

.country-combobox.is-open .country-combobox__toggle::before {
  transform: translateY(-30%) rotate(-135deg);
  border-color: var(--ui-popup-focus-color);
}

.country-combobox__toggle:focus {
  outline: none;
}

.country-combobox.is-open .country-combobox__input {
  border-color: var(--ui-popup-focus-color);
  box-shadow: var(--ui-popup-focus-ring);
}

.country-combobox__panel {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20050;
  padding: 10px;
  border: 1px solid rgba(143, 203, 225, 0.5);
  border-radius: var(--ui-popup-field-radius);
  background: var(--ui-popup-surface);
  box-shadow: var(--ui-popup-panel-shadow);
  backdrop-filter: blur(var(--ui-blur-overlay));
  overflow: hidden;
}

.country-combobox__panel[data-placement="top"] {
  transform-origin: center bottom;
}

.country-combobox__panel[data-placement="bottom"] {
  transform-origin: center top;
}

.country-combobox__list {
  display: grid;
  gap: 6px;
  max-height: 228px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding-right: 4px;
}

.country-combobox__list::-webkit-scrollbar {
  width: 8px;
}

.country-combobox__list::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(143, 203, 225, 0.9);
}

.country-combobox__option {
  width: 100%;
  padding: 11px 14px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: #111111;
  font-size: var(--font-body-sm);
  line-height: 1.35;
  text-align: left;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.country-combobox__option:hover,
.country-combobox__option:focus,
.country-combobox__option.is-active {
  background: rgba(143, 203, 225, 0.22);
  color: #0e475a;
  outline: none;
  transform: translateX(2px);
}

.country-combobox__empty {
  padding: 12px 14px 4px;
  color: rgba(17, 17, 17, 0.48);
  font-size: var(--font-body-sm);
  line-height: 1.4;
}

.ui-popup-form__control--editor {
  min-height: 108px;
  resize: vertical;
}

.ui-popup-form__checks {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.ui-popup-form__notice {
  margin: 0;
  color: var(--ui-color-text-secondary);
  font-size: var(--font-body-sm);
  line-height: 1.5;
}

.ui-popup-check {
  position: relative;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  margin: 0;
  cursor: pointer;
}

.ui-popup-check__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.ui-popup-check__box {
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1px solid rgba(17, 17, 17, 0.3);
  border-radius: 4px;
  background: #ffffff;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.ui-popup-check__label {
  color: #111111;
  font-size: var(--font-body-sm);
  line-height: 1.5;
}

/* 弹窗打开时的页面交互 */
body.modal-open {
  overflow: hidden;
}

body.modal-open .fullpage-container {
  overflow: hidden;
  pointer-events: none;
}

body.modal-open .ui-popup.show,
body.modal-open .modal-backdrop.show {
  pointer-events: auto;
}

.ui-popup-check__input:checked + .ui-popup-check__box {
  border-color: #69b8d3;
  background: #8fcbe1;
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.55);
}

.ui-popup-check:hover:active .ui-popup-check__box {
  border-color: #69b8d3;
  box-shadow: 0 0 0 3px rgba(143, 203, 225, 0.18), inset 0 0 0 4px rgba(255, 255, 255, 0.55);
  transform: scale(0.96);
}

.ui-popup-check__input:focus-visible + .ui-popup-check__box {
  box-shadow: 0 0 0 3px rgba(143, 203, 225, 0.26);
}

.ui-popup__actions {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.ui-popup__submit {
  min-width: 110px;
  min-height: 46px;
  padding: 0 22px;
  font-size: var(--font-body-lg);
}

/* 订阅弹窗差异样式 */
.ui-popup--subscribe {
  --ui-popup-dialog-width: 760px;
  --ui-popup-card-min-height: 0;
  --ui-popup-card-max-height: none;
}

@media (max-width: 1199.98px) {
  /* 移动端输入控件统一抬到 16px 避免聚焦时浏览器自动放大全页 */
  .ui-popup-form__control,
  .country-combobox__input {
    font-size: 16px;
  }

  /* 键盘弹出时优先压缩弹窗内部高度 让填写区域自行上移 */
  .ui-popup .modal-dialog {
    /* min-height: calc(100dvh - 32px); */
    margin-top: 16px;
    margin-bottom: 16px;
  }

  .ui-popup__card {
    min-height: 0;
  }

  /* 移动端表单改为单列避免字段横向挤压 */
  .ui-popup-form__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .ui-popup-form__field,
  .ui-popup-form__field--full {
    grid-column: auto;
    min-width: 0;
  }
}