.main-content{
 min-height: calc(100vh - 82px);
}
#content-wrapper,.demo-section,.demo-container{
  min-height: calc(100vh - 82px);
}
/* ================= 页面主体 ================= */
.demo-section {
  background-color: var(--Neutral-Slate-0);
}

.demo-container {
  display: flex;
  width: 100%;
  justify-content: center;
  gap: 64px;
  align-items: center;
}

/* 左侧内容 */
.left-panel {
  max-width: 470px;
}

.left-logo-icon {
  width: 28px;
  height: 28px;
}

.left-panel h1 {
  color: var(--Neutral-Slate-12);
  font-family: "Plus Jakarta Sans";
  font-size: 36px;
  font-style: normal;
  font-weight: 800;
  line-height: 120%;
  margin: 32px 0 16px;
}

.left-panel > p {
  color: var(--Neutral-Slate-12);
  font-family: "Plus Jakarta Sans";
  font-size: 18px;
  font-style: normal;
  font-weight: 500;
  line-height: 150%;
  margin-bottom: 32px;
}

.what-you-get h3 {
  color: var(--Neutral-Slate-12);
  font-family: "Plus Jakarta Sans";
  font-size: 18px;
  font-style: normal;
  font-weight: 500;
  line-height: 150%;
  margin-bottom: 16px;
}

.check-list li {
  color: var(--Neutral-Slate-11);
  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
  margin-bottom: 12px;
}

.check-list li .check_icon {
  width: 16px;
  height: 16px;
  margin-right: 12px;
}

/* 右侧表单卡片 */
.right-panel {
  width: 690px;
  border-radius: 16px;
  padding: 40px;
  position: relative;

  background: var(--Neutral-Slate-0);

  box-shadow: 0 4px 20px 0 rgba(183, 203, 201, 0.4);
}

.form-header h2 {
  color: var(--Neutral-Slate-12);
  font-family: "Plus Jakarta Sans";
  font-size: 24px;
  font-style: normal;
  font-weight: 800;
  line-height: 120%;
  margin-bottom: 6px;
}

.form-header p {
  color: var(--Neutral-Slate-11);
  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}
.control-label,
.form-label {
  display: block;

  margin-bottom: 8px;

  color: var(--Neutral-Slate-12) !important;

  font-family: "Plus Jakarta Sans";
  font-size: 14px !important;
  font-style: normal;
  font-weight: 600;
  line-height: 120%;
}

.form-label .required {
  color: var(--Semantic-Error-500);
}
.form-control::placeholder
.form-input::placeholder,
.form-textarea::placeholder {
  opacity: 1; /* 确保透明度为1（Firefox默认会降低透明度） */
  transition: opacity 0.3s ease; /* 添加过渡效果，用于聚焦时 */

  overflow: hidden;
  color: var(--Neutral-Slate-9);
  text-overflow: ellipsis;
  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
}

/* 老版本火狐浏览器 (Firefox 18 及以下) */
.form-input::-moz-placeholder,
.form-textarea::-moz-placeholder {
  color: var(--Neutral-Slate-9);
  opacity: 1;
}
input.form-control,div.form-control,
.custom-select-trigger,
.form-input {
  height: 46px;
}
textarea.form-control,
input.form-control,div.form-control,
.form-input,
.form-textarea {
  width: 100%;
  padding: 0px 16px;

  outline: none;
  transition: all 0.3s;

  border-radius: 12px;
  border: 1px solid var(--Neutral-Slate-4);

  color: var(--Neutral-Slate-12);
  text-overflow: ellipsis;

  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
}
.form-textarea{
  padding: 12px 16px;
}
select.form-control{
  color: var(--Neutral-Slate-12);
  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%; 
  
  }
  textarea.form-control:focus,
input.form-control:focus,
.form-input:focus,
.form-textarea:focus {
  border-color: var(--Primary-500) !important;
}
textarea.form-control:focus,
input.form-control:focus{ box-shadow:none
  /* box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, 0.6); */
}
.has-error .form-control:focus,
.form-input.error {
  border-color: var(--Semantic-Error-500) !important;
}

.error-message {
  margin-top: 8px;
  display: none;

  color: var(--Semantic-Error-500) !important;

  font-family: "Plus Jakarta Sans";
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  line-height: 120%;
}

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

.row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* 自定义下拉框 */
.custom-select-wrapper {
  position: relative;
}

.custom-select-trigger {
  width: 100%;
  padding: 0px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;

  border-radius: 12px;
  border: 1px solid var(--Neutral-Slate-4);
  overflow: hidden;
  color: var(--Neutral-Slate-9);
  text-overflow: ellipsis;
  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
}
.custom-select-trigger.active {
  border-color: var(--Primary-500);
}

.custom-select-trigger .arrow {
  width: 16px;
  height: 16px;
}

.custom-select-trigger.active .arrow {
  transform: rotate(180deg);
}

.custom-options {
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  right: 0;
  display: none;
  z-index: 10;
  max-height: 205px;
  overflow-y: auto;
  border-radius: 12px;
  background: var(--Neutral-Slate-0);
  box-shadow: 0 4px 20px 0 rgba(183, 203, 201, 0.4);
}

.custom-options.show {
  display: block;
}

.custom-option {
  padding: 10px 14px;
  cursor: pointer;
  color: var(--Neutral-Slate-12);
  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
}

.custom-option:hover,
.custom-option.selected {
  background: var(--Neutral-Slate-2);
}

/* 提交按钮 */
.submit-btn {
  width: 100%;
  height: 40px;
  background-color: var(--Primary-500);
  color: var(--Common-White);
  border: none;
  border-radius: 12px;

  cursor: pointer;
  margin-top: 8px;
  margin-bottom: 16px;
  transition: all 0.3s;

  font-family: "Plus Jakarta Sans";
  font-size: 16px;
  font-style: normal;
  font-weight: 600;
  line-height: 150%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader{
  width: 16px;
  height: 16px;
  margin-right: 6px;
  display: none;
}
.submit-btn:hover:not(:disabled) {
  background-color: var(--Primary-600);
}

.submit-btn:disabled {
  background-color: #6ab5ab;
  cursor: not-allowed;
}
.submit-btn:disabled .loader{
  display: inline;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
} /* 响应式 */
@media (max-width: 1024px) {
  .demo-container {
    flex-direction: column;
    gap: 40px;
  }
  .left-panel h1 {
    font-size: 36px;
  }
  .right-panel {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 20px;
  }
  .nav-links {
    display: none;
  }
  .row-2col {
    grid-template-columns: 1fr;
  }
  .demo-section {
    padding: 40px 20px;
  }
}
/* Toast 提示框 */
.toast {
  position: fixed;
  top: 126px;
  left: 70%;
  transform: translateX(-50%) translateY(-100px);

  padding: 12px 16px;
  display: none;
  align-items: center;

  z-index: 9999;
  transition: all 0.5s ease;
  border-radius: 12px;
  background: var(--Neutral-Slate-0);
  box-shadow: 0 4px 20px 0 rgba(183, 203, 201, 0.4);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
display: flex;
}

.toast-icon {
  margin-right: 16px;
  width: 32px;
  height: 32px;
}

.toast h2 {
  color: var(--Neutral-Slate-12);
  font-family: "Plus Jakarta Sans";
  font-size: 16px;
  font-style: normal;
  font-weight: 600;
  line-height: 150%;
}
.toast span {
  color: var(--Neutral-Slate-10);
  font-family: "Plus Jakarta Sans";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 150%;
}

.footer-note {
  color: var(--Neutral-Slate-9);
  text-align: center;
  font-family: "Plus Jakarta Sans";
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  line-height: 120%;
}
footer{
  display: none !important;
}