/* 基础样式重置与全局设置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

body {
  background-color: #faf9fb;
  color: #333647;
  line-height: 1.6;
}

/* 全局容器 */
.container {
  width: 100%;
  max-width: 15.25rem;
  margin: 0 auto;
  padding: 0 0.3rem;
}

/* 颜色系统 - 主色调 #c458a8 */
:root {
  --primary: #c458a8;
  --primary-light: #fdf2f8;
  --primary-opacity-10: rgba(196, 88, 168, 0.1);
  --primary-opacity-20: rgba(196, 88, 168, 0.2);
  --primary-gradient: linear-gradient(135deg, #c458a8 0%, #a3478b 100%);
  --gray-100: #f7f5f8;
  --gray-200: #ede9f0;
  --gray-300: #e2d9e8;
  --gray-400: #c8bdd4;
  --gray-600: #7b7583;
  --gray-800: #333647;
  --white: #ffffff;
  --danger: #e53e3e;
  --success: #38a169;
  --shadow-sm: 0 0.02rem 0.08rem rgba(0, 0, 0, 0.03);
  --shadow-md: 0 0.08rem 0.24rem rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 0.12rem 0.32rem rgba(196, 88, 168, 0.1);
  --radius-sm: 0.08rem;
  --radius-md: 0.12rem;
  --radius-lg: 0.16rem;
  --transition-normal: 0.3s ease;
}

/* 页面主体样式 */
.exhibition-form {
  padding: 1rem 0;
}

/* 标题区域样式 */
.page-header {
  text-align: center;
  margin-bottom: 0.8rem;
  position: relative;
}

.page-subtitle {
  font-size: 0.14rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.02rem;
  margin-bottom: 0.12rem;
  display: inline-block;
}

.page-title {
  font-size: 0.42rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 0.16rem;
  line-height: 1.2;
}

.page-desc {
  font-size: 0.16rem;
  color: var(--gray-600);
  max-width: 6rem;
  margin: 0 auto;
  line-height: 1.8;
}

/* 表单卡片样式 */
.form-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 0.6rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.form-card:hover {
  box-shadow: var(--shadow-lg);
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0.04rem;
  background: var(--primary-gradient);
}

.form-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.4rem;
}

.form-icon {
  width: 0.56rem;
  height: 0.56rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  margin-right: 0.2rem;
  flex-shrink: 0;
  font-size: 0.24rem;
  box-shadow: 0 0.04rem 0.12rem var(--primary-opacity-10);
}

.form-title {
  font-size: 0.26rem;
  font-weight: 700;
  color: var(--gray-800);
}

.required-note {
  font-size: 0.14rem;
  color: var(--danger);
  margin-top: 0.05rem;
}

/* 表单布局 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.3rem;
  margin-bottom: 0.4rem;
}

@media (max-width: 9.92rem) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* 表单组样式 */
.form-group {
  margin-bottom: 0.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.08rem;
  display: flex;
  align-items: center;
}

.required {
  color: var(--danger);
  margin-left: 0.05rem;
  font-size: 0.14rem;
}

.form-control {
  width: 100%;
  padding: 0.14rem 0.18rem;
  border: 0.01rem solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.16rem;
  color: var(--gray-800);
  background-color: var(--white);
  transition: var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 0.03rem var(--primary-opacity-10);
}

.form-control::placeholder {
  color: var(--gray-400);
}

/* 复选框组样式 */
.checkbox-group {
  margin-bottom: 0.35rem;
}

.checkbox-title {
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.15rem;
  display: flex;
  align-items: center;
}

.checkbox-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2rem, 1fr));
  gap: 0.15rem;
}

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

.custom-checkbox {
  position: relative;
  width: 0.2rem;
  height: 0.2rem;
  margin-right: 0.1rem;
  cursor: pointer;
}

.custom-checkbox input {
  opacity: 0;
  position: absolute;
  width: 0;
  height: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  width: 0.2rem;
  height: 0.2rem;
  border: 0.02rem solid var(--gray-300);
  border-radius: 0.04rem;
  background-color: var(--white);
  transition: var(--transition-normal);
}

.custom-checkbox:hover input ~ .checkmark {
  border-color: var(--primary);
}

.custom-checkbox input:checked ~ .checkmark {
  background-color: var(--primary);
  border-color: var(--primary);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
  left: 0.05rem;
  top: 0;
  width: 0.06rem;
  height: 0.1rem;
  border: solid white;
  border-width: 0 0.02rem 0.02rem 0;
  transform: rotate(45deg);
}

.custom-checkbox input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-label {
  font-size: 0.16rem;
  color: var(--gray-800);
  cursor: pointer;
  transition: var(--transition-normal);
}

.custom-checkbox input:checked ~ .checkbox-label {
  color: var(--primary);
  font-weight: 500;
}

/* 隐藏的输入框 */
.hidden-input {
  display: none;
}

/* 提交按钮样式 */
.submit-section {
  text-align: center;
  margin-top: 0.4rem;
}

.btn-submit {
  background: var(--primary-gradient);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.14rem 0.4rem;
  font-size: 0.18rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: 0 0.04rem 0.12rem var(--primary-opacity-20);
}

.btn-submit:hover {
  transform: translateY(-0.03rem);
  box-shadow: 0 0.08rem 0.2rem var(--primary-opacity-20);
}

.btn-submit:active {
  transform: translateY(-0.01rem);
}

.btn-submit i {
  margin-right: 0.08rem;
}

/* 装饰元素 */
.decor-dot {
  position: absolute;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: var(--primary-opacity-10);
  z-index: 0;
  filter: blur(0.6rem);
}

.dot-1 {
  top: -0.8rem;
  right: -0.8rem;
}

.dot-2 {
  bottom: -1rem;
  left: -1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .exhibition-form {
    padding: 0.7rem 0;
  }
  
  .page-header {
    margin-bottom: 0.6rem;
  }
  
  .page-title {
    font-size: 0.32rem;
  }
  
  .form-card {
    padding: 0.35rem 0.25rem;
  }
  
  .form-title {
    font-size: 0.22rem;
  }
  
  .checkbox-options {
    grid-template-columns: repeat(auto-fill, minmax(1.5rem, 1fr));
  }
}

@media (max-width:480px) {
  .container {
    padding: 0 0.15rem;
  }
  
  .page-title {
    font-size: 0.26rem;
  }
  
  .form-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .form-icon {
    margin-bottom: 0.12rem;
  }
  
  .checkbox-options {
    grid-template-columns: 1fr;
  }
  
  .btn-submit {
    width: 100%;
    padding: 0.14rem 0.2rem;
  }
}