/* 添加现代科技感样式 */
:root {
  --primary-bg: #15171b;
  --card-bg: #1e2026;
  --accent-color: #8be8e5;
  --text-color: #ffffff;
  --text-secondary: #8b8d91;
  --gradient: linear-gradient(145deg, #8be8e5 0%, #5eb6b3 100%);
  --card-radius: 24px;
  --border-color: #8be8e5
}

body {
  font-family: 'Roboto', sans-serif;
  background: var(--primary-bg);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* 导航栏样式 */
.header {
  position: relative;
  padding: 20px 40px;
  background: var(--card-bg);
  overflow: hidden;
}

.header::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 25%;
  height: 100%;
  background: var(--primary-bg);
  transform: skewX(-20deg) translateX(40%);
  z-index: 1;
}

.header1 {
  position: relative;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: nowrap;
  max-width: 1440px;
  margin: 0 auto;
  z-index: 2;
}

#logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 60px; /* 添加右边距 */
}

#logo strong {
  font-size: 24px;
  color: var(--accent-color);
}

/* 导航菜单样式 */
.nav {
  flex: 1;
  margin-right: 20px;
}

.nav ul {
  display: flex;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  text-transform: uppercase; /* 大写显示 */
  letter-spacing: 1px;
  transition: color 0.3s;
}

.nav a:hover {
  color: var(--accent-color);
}

/* 主容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 标题样式 */
.test-title {
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 30px;
    text-align: center;
}

/* 内容区域样式 */
.content {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 30px;
    margin: 0 auto;
    max-width: 900px;
}

/* 计时器样式 */
#remTime {
    margin: 20px 0;
    text-align: center;
}

#time {
    color: var(--accent-color);
    font-weight: bold;
    margin-left: 8px;
}

/* 问题区域样式 - 保持原样 */
#question {
    margin: 20px 0;
    font-size: 18px;
    color: var(--text-color);
}

/* 拖拽区域样式 */
.pickup-area {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 20px;
    margin: 15px 0;
    min-height: 50px;
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    border: 1px solid rgba(139, 232, 229, 0.1);
    justify-content: center
}

/* 方块图标样式 */
.pickup-area img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    cursor: grab;
}

.pickup-area img:active {
    cursor: grabbing;
}

/* 工作区样式 */
.workshop {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    align-items: flex-start;
    flex-wrap: wrap;
}

/* 左侧放置区域 */
.drop-side {
  flex: 0 0 auto;
  width: 100%;
  /* max-width: 240px; */
  margin: 0 auto;
}

/* 放置区域样式 */
.drop-area {
    display: grid;
    gap: 0;
    background: var(--card-bg);
    border: 1px solid rgba(139, 232, 229, 0.2);
    overflow: hidden;
    margin: 0 auto;
}

/* 四宫格样式 (前6题) */
.drop-area.grid-4 {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  width: 160px;
  height: 160px;
}

/* 九宫格样式 (后面的题) */
.drop-area.grid-9 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  width: 240px;
  height: 240px;
}

/* 网格单元格样式 */
.drop-area > div {
    width: 80px;
    height: 80px;
    border: 1px solid rgba(139, 232, 229, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(139, 232, 229, 0.05);
}

.drop-area > div img {
    width: 82px;
    height: 82px;
    object-fit: contain;
}
/* 四宫格单元格 */
.grid-4 > div {
  width: 80px;
  height: 80px;
}

/* 九宫格单元格 */
.grid-9 > div {
  width: 80px;
  height: 80px;
}

/* 分隔线样式 */
#lineV {
    display: flex;
    align-items: center;
    height: 240px;
}

#lineV img {
    height: 240px;
    opacity: 0.7;
}

/* 右侧图示区域 */
.pattern-side {
  flex: 0 0 auto;
}

/* 目标图案区域 */
#pattern-area {
    width: var(--pattern-width, 160px);
    height: var(--pattern-height, 160px);
    border: 1px solid rgba(139, 232, 229, 0.2);
    overflow: hidden;
    background: var(--card-bg);
}

#pattern-area img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 拖动时的样式 */
.dragging {
    position: fixed !important;
    z-index: 1000 !important;
    pointer-events: none;
    width: 80px !important;
    height: 80px !important;
}

/* 放置区域高亮 */
.drag-over {
    background: rgba(139, 232, 229, 0.15) !important;
    border-color: var(--accent-color) !important;
}

/* 按钮基础样式 */
.button1, .next-btn, .start-btn, .back-btn {
    background: var(--gradient);
    border: none;
    border-radius: var(--card-radius);
    padding: 14px 32px;
    color: var(--primary-bg);
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: block;
    margin: 20px auto;
    min-width: 160px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(139, 232, 229, 0.2);
}

/* 按钮悬停效果 */
.button1:hover:not(:disabled),
.next-btn:hover:not(:disabled),
.start-btn:hover:not(:disabled),
.back-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139, 232, 229, 0.25);
}

/* 按钮点击效果 */
.button1:active:not(:disabled),
.next-btn:active:not(:disabled),
.start-btn:active:not(:disabled),
.back-btn:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(139, 232, 229, 0.15);
}

/* 禁用状态 */
.button1:disabled,
.next-btn:disabled,
.start-btn:disabled,
.back-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: linear-gradient(145deg, var(--text-secondary) 0%, var(--card-bg) 100%);
    box-shadow: none;
}

/* 按钮内部光效 */
.button1::before,
.next-btn::before,
.start-btn::before,
.back-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: 0.5s;
}

.button1:hover::before,
.next-btn:hover::before,
.start-btn:hover::before,
.back-btn:hover::before {
  left: 100%;
}

/* 按钮容器样式 */
.button-container {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    padding: 0 20px;
}

/* 统计卡片 */
.stats-container {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: 32px;
  position: sticky;
  top: 40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.stat-card {
  background: var(--primary-bg);
  border-radius: var(--card-radius);
  padding: 24px;
}

.stat-number {
  font-size: 48px;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 16px;
}

/* 语言切换器样式 */
.language-switcher {
  position: relative;
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.language-switcher button {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--text-color);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

.language-switcher button:hover,
.language-switcher button.active {
  background: var(--accent-color);
  color: var(--primary-bg);
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .container {
    padding: 40px 20px;
    gap: 40px;
  }

  .content-left {
    padding: 40px 0;
  }

  .hero-title {
    font-size: 42px;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 15px 20px;
  }

  .header::after {
    width: 120px;
    transform: skewX(-20deg) translateX(30px);
  }

  .header1 {
    justify-content: space-between;
    align-items: center;
    padding: 0;
  }

  #logo {
    margin-right: 0;
  }

  /* 导航菜单手机端样式 */
  .nav {
    flex: 1;
    margin: 0 20px;
  }

  .nav ul {
    display: flex;
    justify-content: center;
    gap: 20px;
  }

  .nav a {
    font-size: 14px;
  }

  .language-switcher {
    margin-left: 0;
  }

  /* 主容器响应式调整 */
  .container {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 30px;
  }

  .content-left {
    padding: 20px 0;
  }

  .hero-title {
    font-size: 32px;
    margin-bottom: 16px;
  }

  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
    max-width: 100%;
  }

  .tag-line {
    font-size: 12px;
    margin-bottom: 16px;
  }

  /* 卡片响应式调整 */
  .info-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .info-card {
    padding: 20px;
  }

  .info-card h3 {
    font-size: 18px;
  }

  .info-card p {
    font-size: 14px;
  }

  /* 统计卡片响应式调整 */
  .stats-container {
    position: static;
    padding: 24px;
  }

  .stats-grid {
    gap: 16px;
  }

  .stat-card {
    padding: 20px;
  }

  .stat-number {
    font-size: 36px;
  }

  .stat-label {
    font-size: 14px;
  }

  /* 按钮响应式调整 */
  .start-btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
  }

  .workshop {
    gap: 20px;
  }
  
  .drop-side {
    margin-bottom: 20px;
  }
  
  .pickup-area {
    padding: 10px;
  }
  
  .pickup-area img {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 12px 16px;
  }

  .header1 {
    gap: 10px;
  }

  .nav {
    margin: 0 10px;
  }

  .nav ul {
    gap: 15px;
  }

  .nav a {
    font-size: 12px;
  }

  .language-switcher button {
    padding: 4px 8px;
    font-size: 12px;
  }

  #logo strong {
    font-size: 18px;
  }

  .hero-title {
    font-size: 28px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* About 页面容器 */
.about-container {
  grid-template-columns: 1fr;
  max-width: 900px;
  padding: 60px 40px;
}

.about-content {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: 40px;
}

.about-title {
  font-size: 36px;
  text-align: center;
  margin-bottom: 40px;
  color: var(--accent-color);
}

.about-image {
  margin: 30px 0;
  text-align: center;
}

.about-image img {
  max-width: 80%;
  border-radius: var(--card-radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.about-text {
  color: var(--text-color);
  line-height: 1.8;
}

.about-text p {
  margin-bottom: 20px;
}

.back-btn {
  background: var(--gradient);
  border: none;
  border-radius: 12px;
  padding: 14px 32px;
  color: var(--primary-bg);
  font-weight: 500;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s;
  display: block;
  margin: 40px auto 0;
}

.back-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139, 232, 229, 0.25);
}

/* About 页面响应式调整 */
@media (max-width: 768px) {
  .about-container {
    padding: 20px;
  }

  .about-content {
    padding: 30px 20px;
  }

  .about-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .about-image img {
    max-width: 100%;
  }

  .about-text {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .about-container {
    padding: 15px;
  }

  .about-content {
    padding: 20px 15px;
  }

  .about-title {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .about-text {
    font-size: 14px;
  }

  .back-btn {
    width: 100%;
    padding: 12px 20px;
  }
}

/* 表单页面样式 */
.form-container {
    grid-template-columns: 1fr;
    max-width: 600px;
    padding: 60px 40px;
}

.form-content {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 40px;
}

.form-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.form-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.form-subtitle.age-reminder {
    font-size: 13px;
    color: var(--accent-color);
    margin-top: -30px;
    margin-bottom: 30px;
    opacity: 0.85;
}

.user-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: var(--text-color);
    font-size: 14px;
}

.form-input {
    background: var(--primary-bg);
    border: 1px solid var(--text-secondary);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-color);
    font-size: 16px;
    transition: all 0.3s;
}

.form-input:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 232, 229, 0.2);
}

/* 优化日期控件样式 */
.form-input[type="date"] {
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    background: var(--primary-bg);
    padding-right: 40px; /* 为日历图标留出空间 */
}

.form-input[type="date"]::-webkit-calendar-picker-indicator {
    background: transparent;
    color: var(--accent-color);
    cursor: pointer;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
    width: 40px;
}

.form-input[type="date"]::-webkit-datetime-edit {
    color: var(--text-color);
}

.form-input[type="date"]::-webkit-datetime-edit-fields-wrapper {
    padding: 0;
}

/* 占位符颜色 */
.form-input[type="date"]::-webkit-datetime-edit-text,
.form-input[type="date"]::-webkit-datetime-edit-month-field,
.form-input[type="date"]::-webkit-datetime-edit-day-field,
.form-input[type="date"]::-webkit-datetime-edit-year-field {
    color: var(--text-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .form-container {
        padding: 20px;
    }

    .form-content {
        padding: 30px 20px;
    }

    .form-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 15px;
    }

    .form-content {
        padding: 20px 15px;
    }

    .form-title {
        font-size: 24px;
    }
}

/* 日期选择器样式优化 */
.date-input-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 12px;
}

.date-select {
    background: var(--primary-bg);
    border: 1px solid var(--text-secondary);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-color);
    font-size: 16px;
    transition: all 0.3s;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238be8e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.date-select:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px rgba(139, 232, 229, 0.1);
}

.date-select:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 232, 229, 0.2);
}

.date-select option {
    background: var(--card-bg);
    color: var(--text-color);
    padding: 12px;
}

/* 下拉选项悬停效果 */
.date-select option:hover {
    background: var(--primary-bg);
}

/* 响应式调整 */
@media (max-width: 480px) {
    .date-input-wrapper {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .date-select {
        width: 100%;
        padding: 14px 40px 14px 16px;
    }
}

/* 测试页面样式 */
.test-container {
    max-width: 800px;
    padding: 20px;
    margin: 0 auto;
}

.test-content {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 30px;
}

.test-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 30px;
    color: var(--accent-color);
}

/* 计时器样式 */
.timer-box {
    text-align: center;
    margin: 20px 0;
    color: var(--text-color);
}

/* 问题框样式 */
.question-box {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 30px;
    margin-bottom: 30px;
}

.question-text {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--text-color);
}

.answer-input {
    margin-top: 20px;
}

.alert-text {
    color: var(--accent-color);
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
    min-height: 20px;
}

/* 下一题按钮 */
.next-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--text-secondary);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .test-container {
        padding: 20px;
    }

    .test-content {
        padding: 30px 20px;
    }

    .test-title {
        font-size: 28px;
    }

    .question-box {
        padding: 20px;
    }

    .timer {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .test-container {
        padding: 15px;
    }

    .test-content {
        padding: 20px 15px;
    }

    .test-title {
        font-size: 24px;
    }

    .question-box {
        padding: 15px;
    }

    .question-text {
        font-size: 16px;
    }

    .next-btn {
        width: 100%;
        min-width: unset;
    }
}

/* 统计卡片 */
/* 结果页面样式 */
.result-container {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}

.result-content {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

/* 结果标题 */
.result-title {
  font-size: 32px;
  color: var(--accent-color);
  text-align: center;
  margin-bottom: 40px;
}

/* 分数展示 */
.score-display {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
}

.score-card {
  background: var(--primary-bg);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  min-width: 160px;
  border: 1px solid rgba(139, 232, 229, 0.1);
}

.score-label {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
}

.score-value {
  color: var(--accent-color);
  font-size: 36px;
  font-weight: 600;
}

/* 详细结果表格 */
.result-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.result-table th,
.result-table td {
  padding: 12px;
  text-align: left;
}

.result-table th:last-child,
.result-table td:last-child {
  border-right: none;
}

.result-table tr:last-child td {
  border-bottom: none;
}

.result-table td:first-child {
  font-weight: 500;
  color: var(--text-secondary);
  width: 40%;
}

.result-table td:not(:first-child) {
  text-align: center;
  width: 30%;
}

.result-table thead th {
  background: var(--header-bg);
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
}

/* 正确/错误指示器 */
.result-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 14px;
}

.result-correct {
  background: rgba(139, 232, 229, 0.1);
  color: var(--accent-color);
}

.result-incorrect {
  background: rgba(255, 99, 99, 0.1);
  color: #ff6363;
}

/* 操作按钮组 */
.result-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .result-content {
    padding: 30px 20px;
  }
  
  .score-display {
    flex-direction: column;
    gap: 20px;
  }
  
  .result-table {
    font-size: 14px;
  }
  
  .result-table th,
  .result-table td {
    padding: 12px 8px;
  }
  
  .result-actions {
    flex-direction: column;
    gap: 12px;
  }
}

/* 右侧模式图片 */
#pattern {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.personal-info {
  margin: 20px 0;
  padding: 15px;
  background: var(--card-bg);
  border-radius: 8px;
}

.personal-info table {
  width: 100%;
  border-collapse: collapse;
}

.personal-info td {
  padding: 8px;
  border-bottom: 1px solid var(--border-color);
}

.personal-info td:first-child {
  font-weight: 500;
  color: var(--text-secondary);
}

/* 模态框样式 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
  position: relative;
  border: 1px solid var(--border-color);
}

.modal-title {
  color: var(--accent-color);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  text-align: center;
}

.modal-content {
  text-align: center;
  margin-bottom: 20px;
  color: var(--text-color);
  font-size: 16px;
  line-height: 1.5;
  white-space: pre-line;
}

.modal-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.modal-button {
  padding: 8px 24px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s;
}

.modal-button.primary {
  background: var(--accent-color);
  color: var(--primary-bg);
}

.modal-button.secondary {
  background: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.modal-button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}