/* 
 * ACME证书申请工具 - 主样式表
 * 现代化UI设计
 */

:root {
  --primary-color: #4a6cf7;
  --primary-hover: #3a5ce5;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --body-bg: #f5f7ff;
  --card-bg: #ffffff;
  --text-color: #333333;
  --text-muted: #6c757d;
  --border-color: #e9ecef;
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

/* 基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--body-bg);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 15px;
}

.hidden {
  display: none !important;
}

/* 头部样式 */
.header {
  background-color: var(--card-bg);
  box-shadow: var(--box-shadow);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

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

.logo h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0;
}

.version {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 10px;
}

.language-switch {
  display: flex;
  gap: 8px;
}

.language-switch button {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.language-switch button.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 主内容区域 */
main {
  padding: 30px 0;
  min-height: calc(100vh - 200px);
}

/* 向导区域 */
.wizard {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 30px;
  margin-bottom: 30px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--dark-color);
}

.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 25px;
  margin-bottom: 40px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* 介绍部分 - 已移至底部 */
.intro {
  margin-bottom: 40px;
}

/* 底部介绍部分 */
.intro-bottom {
  padding: 30px 0;
  background-color: rgba(74, 108, 247, 0.05);
  border-top: 1px solid var(--border-color);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* 在小屏幕上保持2x2布局，但调整间距 */
@media (max-width: 768px) {
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
}

/* 在更小屏幕上保持2x2布局，但进一步调整间距 */
@media (max-width: 480px) {
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

.feature-item {
  display: flex;
  gap: 15px;
  padding: 15px;
  border-radius: var(--border-radius);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow);
}

.feature-icon {
  font-size: 2rem;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-content h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--dark-color);
}

.feature-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.feature-item.warning {
  border-color: var(--warning-color);
  background-color: rgba(255, 193, 7, 0.05);
}

.feature-item.warning .feature-icon {
  color: var(--warning-color);
}

/* 步骤导航 */
.steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
  position: relative;
  padding: 30px 0;
  background: linear-gradient(135deg, rgba(74, 108, 247, 0.02) 0%, rgba(74, 108, 247, 0.05) 100%);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.steps::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 8%;
  right: 8%;
  height: 3px;
  background: linear-gradient(90deg, var(--border-color) 0%, var(--primary-color) 50%, var(--border-color) 100%);
  z-index: 1;
  border-radius: 2px;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 25%;
  transition: all 0.3s ease;
}

.step:hover {
  transform: translateY(-3px);
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--light-color);
  border: 4px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.3rem;
  margin-bottom: 15px;
  transition: var(--transition);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
  position: relative;
  overflow: hidden;
}

.step-number::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.step:hover .step-number::before {
  opacity: 0.1;
}

.step-title {
  font-size: 1rem;
  text-align: center;
  color: var(--text-muted);
  transition: var(--transition);
  font-weight: 500;
  max-width: 120px;
  line-height: 1.4;
}

.step.active .step-number {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.step.active .step-title {
  color: var(--primary-color);
  font-weight: 600;
}

.step.completed .step-number {
  background-color: var(--success-color);
  color: white;
  border-color: var(--success-color);
}

/* 步骤内容 */
.step-content {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.step-content.active {
  display: block;
}

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

/* 表单样式 */
.form-group {
  margin-bottom: 30px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-label.required::after {
  content: '*';
  color: var(--danger-color);
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.2);
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 5px;
  margin-bottom: 15px;
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* 表单元素响应式优化 */
@media (max-width: 768px) {
  .form-group {
    margin-bottom: 20px;
  }
  
  .form-label {
    margin-bottom: 6px;
    font-size: 0.95rem;
  }
  
  .form-control {
    padding: 8px 12px;
    font-size: 0.95rem;
  }
  
  .form-hint {
    font-size: 0.8rem;
    margin-top: 4px;
    margin-bottom: 12px;
  }
  
  textarea.form-control {
    min-height: 70px;
  }
}

@media (max-width: 576px) {
  .form-group {
    margin-bottom: 15px;
  }
  
  .form-label {
    margin-bottom: 5px;
    font-size: 0.9rem;
  }
  
  .form-control {
    padding: 6px 10px;
    font-size: 0.9rem;
  }
  
  .form-hint {
    font-size: 0.75rem;
    margin-top: 3px;
    margin-bottom: 10px;
  }
  
  textarea.form-control {
    min-height: 60px;
  }
}

@media (max-width: 400px) {
  .form-group {
    margin-bottom: 12px;
  }
  
  .form-label {
    margin-bottom: 4px;
    font-size: 0.85rem;
  }
  
  .form-control {
    padding: 5px 8px;
    font-size: 0.85rem;
  }
  
  .form-hint {
    font-size: 0.7rem;
    margin-top: 2px;
    margin-bottom: 8px;
  }
  
  textarea.form-control {
    min-height: 50px;
  }
}

/* 输入组附加样式 */
.input-group-append {
  display: flex;
  align-items: center;
  margin-top: 10px;
  justify-content: flex-end;
}

/* 输入组响应式优化 */
@media (max-width: 768px) {
  .input-group-append {
    margin-top: 8px;
  }
}

@media (max-width: 576px) {
  .input-group-append {
    margin-top: 6px;
  }
}

@media (max-width: 400px) {
  .input-group-append {
    margin-top: 5px;
  }
}

/* 复选框标签样式 */
.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  margin-top: 10px;
  position: relative;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.3s ease;
  background-color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(74, 108, 247, 0.2);
  max-width: fit-content;
}

.checkbox-label:hover {
  background-color: rgba(74, 108, 247, 0.05);
  border-color: rgba(74, 108, 247, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.checkbox-label input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(74, 108, 247, 0.4);
  border-radius: 4px;
  margin-right: 10px;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: white;
}

.checkbox-label input[type="checkbox"]:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.checkbox-label input[type="checkbox"]:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.2);
}

.checkbox-label span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-color);
  user-select: none;
}

/* 复选框响应式优化 */
@media (max-width: 768px) {
  .checkbox-label {
    margin-top: 8px;
    padding: 6px 10px;
  }
  
  .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
  }
  
  .checkbox-label input[type="checkbox"]:checked::after {
    font-size: 12px;
  }
  
  .checkbox-label span {
    font-size: 13px;
  }
}

@media (max-width: 576px) {
  .checkbox-label {
    margin-top: 6px;
    padding: 5px 8px;
  }
  
  .checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-right: 6px;
  }
  
  .checkbox-label input[type="checkbox"]:checked::after {
    font-size: 11px;
  }
  
  .checkbox-label span {
    font-size: 12px;
  }
}

@media (max-width: 400px) {
  .checkbox-label {
    margin-top: 5px;
    padding: 4px 6px;
  }
  
  .checkbox-label input[type="checkbox"] {
    width: 14px;
    height: 14px;
    margin-right: 5px;
  }
  
  .checkbox-label input[type="checkbox"]:checked::after {
    font-size: 10px;
  }
  
  .checkbox-label span {
    font-size: 11px;
  }
}

/* CA选项容器样式 */
.ca-options-container {
  margin-bottom: 30px;
}

/* 单选按钮组 */
.ca-options-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0;
  gap: 20px;
}

.ca-option, .radio-option {
  display: flex;
  align-items: center;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.ca-option input, .radio-option input {
  margin-right: 8px;
}

.ca-options-row .ca-option {
  flex: 1;
  text-align: center;
  padding: 20px 15px;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  background-color: white;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  min-height: 120px; /* 确保足够的触摸区域 */
}

/* 手机端显示下拉选择框，桌面端隐藏 */
.mobile-only {
    display: none;
}

.desktop-only {
    display: flex;
}

/* 手机端CA选择下拉框样式 */
.ca-select-container {
    width: 100%;
    margin-bottom: 15px;
}

.ca-select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    font-size: 16px;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' 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 10px center;
    background-size: 20px;
    padding-right: 40px;
}

.ca-select:focus {
    border-color: #4CAF50;
    outline: none;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* CA选项响应式优化 */
@media (max-width: 992px) {
  .ca-options-row {
    flex-wrap: wrap;
  }
  
  .ca-options-row .ca-option {
    flex: 0 0 calc(50% - 10px);
  }
}

@media (max-width: 768px) {
  .mobile-only {
    display: block;
  }
  
  .desktop-only {
    display: none;
  }
  
  .ca-options-row {
    flex-direction: column;
    gap: 10px;
  }
  
  .ca-options-row .ca-option {
    width: 100%;
    margin-bottom: 5px;
    padding: 15px;
    min-height: 100px;
  }
  
  .ca-option-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
    margin-bottom: 5px;
  }
  
  .ca-option label {
    font-size: 14px;
  }
}

@media (max-width: 576px) {
  .ca-options-row .ca-option {
    padding: 12px;
    min-height: 90px;
  }
  
  .ca-option-icon {
    width: 35px;
    height: 35px;
    font-size: 18px;
  }
}

@media (max-width: 400px) {
  .ca-options-row .ca-option {
    padding: 10px;
    min-height: 80px;
  }
  
  .ca-option-icon {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }
}

.ca-options-row .ca-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(74, 108, 247, 0.05) 0%, rgba(74, 108, 247, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.ca-options-row .ca-option:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  border-color: rgba(74, 108, 247, 0.3);
}

.ca-options-row .ca-option:hover::before {
  opacity: 1;
}

.ca-options-row .ca-option label {
  position: relative;
  z-index: 1;
  font-weight: 500;
  margin-bottom: 0;
  cursor: pointer;
  transition: color 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.ca-option-icon {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 8px;
  font-size: 22px;
  background-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.12);
  transition: all 0.3s ease;
}

.ca-options-row .ca-option:hover .ca-option-icon {
  transform: scale(1.15);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.18);
}

.ca-options-row .ca-option input[type="radio"]:checked ~ .ca-option-icon {
  background-color: var(--primary-color);
  color: white;
}

.ca-options-row .ca-option.letsencrypt .ca-option-icon {
  color: #003A70; /* Let's Encrypt blue */
}

.ca-options-row .ca-option.zerossl .ca-option-icon {
  color: #FF6B00; /* ZeroSSL orange */
}

.ca-options-row .ca-option.google .ca-option-icon {
  color: #4285F4; /* Google blue */
}

.ca-options-row .ca-option.manual .ca-option-icon {
  color: #34A853; /* Google green */
}

.ca-options-row .ca-option input[type="radio"] {
  position: relative;
  z-index: 2;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.ca-options-row .ca-option input[type="radio"]:checked + label {
  color: var(--primary-color);
  font-weight: 600;
}

.ca-options-row .ca-option input[type="radio"]:checked ~ .ca-option-indicator {
  opacity: 1;
  transform: scale(1);
}

.ca-option-indicator {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.3s ease;
  z-index: 2;
}

.ca-option-indicator::after {
  content: '✓';
  color: white;
  font-size: 15px;
  font-weight: bold;
}

/* CA描述容器样式 */
.ca-descriptions-container {
  background-color: var(--light-color);
  border-radius: var(--border-radius);
  padding: 25px;
  margin-bottom: 30px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
}

.ca-descriptions-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* CA描述行样式 */
.ca-descriptions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  margin-top: 0;
  min-height: 100px;
  align-items: center;
}

.ca-description {
  flex: 1;
  min-width: 300px;
  background-color: white;
  padding: 20px;
  border-radius: var(--border-radius);
  border-left: 5px solid transparent;
  box-shadow: 0 3px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(10px);
  position: relative;
  display: flex;
  flex-direction: column;
}

.ca-description.letsencrypt {
  border-left-color: #003A70; /* Let's Encrypt blue */
}

.ca-description.zerossl {
  border-left-color: #FF6B00; /* ZeroSSL orange */
}

.ca-description.google {
  border-left-color: #4285F4; /* Google blue */
}

.ca-description.manual {
  border-left-color: #34A853; /* Google green */
}

.ca-description.visible {
  opacity: 1;
  transform: translateY(0);
}

.ca-description.hidden {
  display: none;
}

.ca-description h4 {
  margin: 0 0 12px 0;
  font-size: 1.2rem;
  color: var(--dark-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.ca-description h4::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--border-color);
}

.ca-description.letsencrypt h4::before {
  background-color: #003A70;
}

.ca-description.zerossl h4::before {
  background-color: #FF6B00;
}

.ca-description.google h4::before {
  background-color: #4285F4;
}

.ca-description.manual h4::before {
  background-color: #34A853;
}

.ca-description p {
  margin: 0 0 12px 0;
  font-size: 0.95rem;
  color: var(--text-color);
  line-height: 1.6;
}

.ca-description p:last-child {
  margin-bottom: 0;
}

.ca-description ul {
  margin: 10px 0 0 0;
  padding-left: 22px;
}

.ca-description li {
  margin-bottom: 6px;
  font-size: 0.95rem;
  color: var(--text-color);
}

.ca-description .warning {
  color: var(--danger-color);
  font-weight: 500;
}

/* CA URL容器样式 */
.ca-url-container {
  background-color: var(--light-color);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 25px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  position: relative;
}

.ca-url-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* CA URL行样式 */
.ca-url-row {
  margin-top: 0;
  padding: 15px;
  background: white;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* CA URL显示样式 */
.ca-url-display {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* CA URL输入框样式调整 */
.ca-url-input {
  flex: 1;
  min-width: 200px;
}

.ca-url-label {
  font-weight: 600;
  color: var(--text-color);
  margin-right: 8px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.ca-url-label::before {
  content: '🔗';
  font-size: 1.2rem;
}

.ca-url-input {
  font-family: 'Courier New', monospace;
  color: var(--primary-color);
  background: rgba(74, 108, 247, 0.05);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid rgba(74, 108, 247, 0.2);
  word-break: break-all;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  flex: 1;
  min-width: 0; /* 允许输入框收缩 */
}

.ca-url-input:hover {
  background: rgba(74, 108, 247, 0.1);
  border-color: var(--primary-color);
  box-shadow: 0 2px 8px rgba(74, 108, 247, 0.2);
}

.ca-url-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.2);
}

.ca-url-input[readonly] {
  background-color: rgba(74, 108, 247, 0.05);
  cursor: default;
}

.url-value {
  font-family: 'Courier New', monospace;
  color: var(--primary-color);
  background: rgba(74, 108, 247, 0.05);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid rgba(74, 108, 247, 0.2);
  word-break: break-all;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  flex: 1;
}

.url-value:hover {
  background: rgba(74, 108, 247, 0.1);
  border-color: var(--primary-color);
  box-shadow: 0 2px 8px rgba(74, 108, 247, 0.2);
}

/* CA URL显示区域响应式优化 */
@media (max-width: 768px) {
  .ca-url-display {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  
  .ca-url-label {
    margin-bottom: 5px;
  }
  
  .ca-url-input {
    min-width: auto;
  }
}

@media (max-width: 576px) {
  .ca-url-input {
    font-size: 12px;
    padding: 6px 10px;
  }
  
  .ca-url-label {
    font-size: 0.9rem;
  }
}

@media (max-width: 400px) {
  .ca-url-input {
    font-size: 11px;
    padding: 5px 8px;
  }
  
  .ca-url-label {
    font-size: 0.85rem;
  }
}

/* 按钮样式 */
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  justify-content: flex-end;
}

/* 按钮样式 */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-height: 44px; /* 确保按钮有足够的触摸区域 */
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

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

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background-color: #5a6268;
}

/* 按钮组响应式优化 */
@media (max-width: 768px) {
  .form-actions {
    flex-direction: column;
    gap: 10px;
  }
  
  .btn {
    width: 100%;
    padding: 12px;
  }
}

@media (max-width: 576px) {
  .btn {
    padding: 10px;
    font-size: 0.9rem;
  }
}

@media (max-width: 400px) {
  .btn {
    padding: 8px;
    font-size: 0.85rem;
  }
}

/* 状态框 */
.status-box {
  margin-top: 20px;
  padding: 15px;
  border-radius: var(--border-radius);
  background-color: var(--light-color);
  display: none;
}

/* 状态框响应式优化 */
@media (max-width: 768px) {
  .status-box {
    margin-top: 15px;
    padding: 12px;
  }
}

@media (max-width: 576px) {
  .status-box {
    margin-top: 12px;
    padding: 10px;
  }
}

@media (max-width: 400px) {
  .status-box {
    margin-top: 10px;
    padding: 8px;
  }
}

.status-box.success {
  background-color: rgba(40, 167, 69, 0.1);
  border: 1px solid rgba(40, 167, 69, 0.2);
  color: var(--success-color);
  display: block;
}

.status-box.error {
  background-color: rgba(220, 53, 69, 0.1);
  border: 1px solid rgba(220, 53, 69, 0.2);
  color: var(--danger-color);
  display: block;
}

.status-box.warning {
  background-color: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.2);
  color: #856404;
  display: block;
}

/* 验证指令 */
.verification-instructions {
  margin-top: 20px;
  padding: 15px;
  background-color: var(--light-color);
  border-radius: var(--border-radius);
}

/* 验证指令响应式优化 */
@media (max-width: 768px) {
  .verification-instructions {
    margin-top: 15px;
    padding: 12px;
  }
}

@media (max-width: 576px) {
  .verification-instructions {
    margin-top: 12px;
    padding: 10px;
  }
}

@media (max-width: 400px) {
  .verification-instructions {
    margin-top: 10px;
    padding: 8px;
  }
}

/* 域名验证区域 */
.verification-domains {
  margin-bottom: 20px;
}

.domain-verification {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

/* 域名验证区域响应式优化 */
@media (max-width: 768px) {
  .domain-verification {
    padding: 15px;
    margin-bottom: 15px;
  }
}

@media (max-width: 576px) {
  .domain-verification {
    padding: 12px;
    margin-bottom: 12px;
  }
}

@media (max-width: 400px) {
  .domain-verification {
    padding: 10px;
    margin-bottom: 10px;
  }
}

.domain-verification:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.domain-verification h5 {
  background-color: rgba(74, 108, 247, 0.05);
  color: var(--primary-color);
  padding: 12px 15px;
  border-radius: 6px;
  margin-bottom: 5px;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
}

.domain-verification h5 + p:not([data-lang-zh*="文件路径："]):not([data-lang-en*="File path:"]) {
  background-color: rgba(74, 108, 247, 0.05);
  color: var(--primary-color);
  padding: 0 15px 12px 15px;
  border-radius: 0 0 6px 6px;
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
}

.domain-verification p {
  margin: 12px 0 5px;
  font-weight: 700;
  color: var(--text-color);
}

.domain-verification-row {
  display: flex;
  align-items: center;
  padding: 15px;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 15px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.domain-verification-row:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.domain-name {
  flex: 0 0 200px;
  font-weight: 600;
  color: var(--primary-color);
  padding: 10px 15px;
  background-color: rgba(74, 108, 247, 0.05);
  border-radius: 6px;
  margin-right: 20px;
  text-align: center;
}

.verification-methods {
  display: flex;
  flex: 1;
  gap: 15px;
}

.verification-method-option {
  flex: 1;
  padding: 12px 15px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.verification-method-option:hover {
  border-color: rgba(74, 108, 247, 0.5);
  background-color: rgba(74, 108, 247, 0.05);
}

.verification-method-option.selected {
  border-color: var(--primary-color);
  background-color: rgba(74, 108, 247, 0.1);
  color: var(--primary-color);
  font-weight: 600;
}

.verification-method-option.selected::after {
  content: '✓';
  position: absolute;
  top: 5px;
  right: 5px;
  width: 20px;
  height: 20px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.verification-method-title {
  font-weight: 600;
  margin-bottom: 5px;
}

.verification-method-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.verification-instructions h4 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.verification-instructions pre {
  background-color: var(--dark-color);
  color: white;
  padding: 15px;
  border-radius: var(--border-radius);
  overflow-x: auto;
  font-family: monospace;
  margin: 10px 0;
}

/* 复制按钮样式 */
.copy-btn {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.copy-btn:hover {
  background-color: rgba(74, 108, 247, 0.1);
}

.copy-btn:active {
  transform: scale(0.95);
}

/* 复制按钮响应式优化 */
@media (max-width: 768px) {
  .copy-btn {
    font-size: 12px;
    padding: 3px 6px;
  }
}

@media (max-width: 576px) {
  .copy-btn {
    font-size: 11px;
    padding: 2px 5px;
  }
}

@media (max-width: 400px) {
  .copy-btn {
    font-size: 10px;
    padding: 2px 4px;
  }
}

.verification-instructions .copy-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  margin: 10px 0;
  transition: all 0.3s ease;
  display: block;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  min-width: 120px;
  width: 100%;
}

.verification-instructions .copy-btn:hover {
  background-color: #3a5bd9;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.verification-instructions .copy-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.verification-instructions .copy-btn::before {
  content: "📋";
  margin-right: 6px;
  font-size: 1rem;
}

.verification-instructions .domain-verification::after {
  content: "";
  display: table;
  clear: both;
}

/* 证书结果 */
.certificate-result {
  margin-top: 20px;
  padding: 20px;
  border-radius: var(--border-radius);
  background: rgba(76, 175, 80, 0.05);
  border: 1px solid rgba(76, 175, 80, 0.2);
}

/* 证书结果响应式优化 */
@media (max-width: 768px) {
  .certificate-result {
    margin-top: 20px;
    padding: 15px;
  }
}

@media (max-width: 576px) {
  .certificate-result {
    margin-top: 15px;
    padding: 12px;
  }
}

@media (max-width: 400px) {
  .certificate-result {
    margin-top: 10px;
    padding: 10px;
  }
}

.certificate-result .cert-box {
  background-color: var(--light-color);
  padding: 15px;
  border-radius: var(--border-radius);
  margin-bottom: 15px;
}

.certificate-result h4 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.certificate-result pre {
  background-color: var(--dark-color);
  color: white;
  padding: 15px;
  border-radius: var(--border-radius);
  overflow-x: auto;
  font-family: monospace;
  max-height: 200px;
  overflow-y: auto;
}

/* 证书结果区域的复制按钮样式 */
.certificate-result .copy-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 10px;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  min-width: 120px;
}

.certificate-result .copy-btn:hover {
  background-color: #3a5bd9;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.certificate-result .copy-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.certificate-result .copy-btn::before {
  content: "📋";
  margin-right: 6px;
  font-size: 1rem;
}

/* 复制按钮成功反馈动画 */
.certificate-result .copy-btn.success::after {
  content: "✓";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  animation: checkmark 0.5s ease;
}

@keyframes checkmark {
  0% {
    opacity: 0;
    transform: translateY(-50%) scale(0.5);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
  }
  100% {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

/* CA URL日志行样式 */
.ca-url-log-row {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  padding: 10px;
  background-color: rgba(74, 108, 247, 0.05);
  border-radius: 6px;
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s ease;
}

.ca-url-log-row:hover {
  background-color: rgba(74, 108, 247, 0.1);
  transform: translateX(3px);
}

/* 日志响应式优化 */
@media (max-width: 768px) {
  .ca-url-log-row {
    flex-direction: column;
    align-items: flex-start;
    padding: 8px;
  }
}

@media (max-width: 576px) {
  .ca-url-log-row {
    padding: 6px;
    margin-bottom: 8px;
  }
}

@media (max-width: 400px) {
  .ca-url-log-row {
    padding: 5px;
    margin-bottom: 6px;
  }
}

.acme-url-log {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-color);
  padding: 10px;
  background: rgba(74, 108, 247, 0.03);
  border-radius: 6px;
  border: 1px solid rgba(74, 108, 247, 0.2);
  max-height: 150px;
  overflow-y: auto;
}

.log-entry {
  margin-bottom: 8px;
  padding: 6px 10px;
  border-radius: 4px;
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.log-entry:last-child {
  margin-bottom: 0;
}

.log-timestamp {
  color: var(--primary-color);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.log-message {
  flex: 1;
  word-break: break-word;
}

.log-entry.success {
  border-left: 4px solid var(--success-color);
  background: rgba(40, 167, 69, 0.05);
}

.log-entry.error {
  border-left: 4px solid var(--danger-color);
  background: rgba(220, 53, 69, 0.05);
}

.log-entry.warning {
  border-left: 4px solid #ffc107;
  background: rgba(255, 193, 7, 0.05);
}

.log-entry.info {
  border-left: 4px solid var(--primary-color);
  background: rgba(74, 108, 247, 0.05);
}

/* Toast提示样式 */
.toastState {
  display: none;
  position: fixed;
  padding: 10px;
  bottom: 10px;
  right: 10px;
  width: 360px;
  max-height: 120px;
  overflow-y: auto;
  background: #fff;
  box-shadow: 0px 0px 3px #aaa;
  border-radius: 10px;
  z-index: 1000;
}

/* 页脚 */
.footer {
  background-color: var(--card-bg);
  padding: 20px 0;
  margin-top: 50px;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

/* 页脚响应式优化 */
@media (max-width: 768px) {
  .footer {
    padding: 15px 0;
    margin-top: 30px;
  }
  
  .footer-content {
    font-size: 0.85rem;
  }
}

@media (max-width: 576px) {
  .footer {
    padding: 12px 0;
    margin-top: 20px;
  }
  
  .footer-content {
    font-size: 0.8rem;
  }
}

@media (max-width: 400px) {
  .footer {
    padding: 10px 0;
    margin-top: 15px;
  }
  
  .footer-content {
    font-size: 0.75rem;
  }
}

.footer-content {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-content a {
  color: var(--primary-color);
  text-decoration: none;
}

.footer-content a:hover {
  text-decoration: underline;
}

.footer-content p {
  margin-bottom: 5px;
}

/* 加载中遮罩 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  display: none;
}

.loading-overlay.active {
  display: flex;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

.loading-text {
  color: white;
  margin-top: 15px;
  font-size: 1.1rem;
}

/* 加载中遮罩响应式优化 */
@media (max-width: 768px) {
  .loading-spinner {
    width: 45px;
    height: 45px;
    border-width: 4px;
  }
  
  .loading-text {
    font-size: 1rem;
    margin-top: 12px;
  }
}

@media (max-width: 576px) {
  .loading-spinner {
    width: 40px;
    height: 40px;
    border-width: 4px;
  }
  
  .loading-text {
    font-size: 0.9rem;
    margin-top: 10px;
  }
}

@media (max-width: 400px) {
  .loading-spinner {
    width: 35px;
    height: 35px;
    border-width: 3px;
  }
  
  .loading-text {
    font-size: 0.85rem;
    margin-top: 8px;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 响应式设计 */

/* 平板设备 (768px及以下) */
@media (max-width: 768px) {
  .container {
    padding: 0 12px;
  }
  
  .header {
    padding: 12px 0;
  }
  
  .header .container {
    flex-direction: column;
    gap: 12px;
  }
  
  .logo h1 {
    font-size: 1.3rem;
  }
  
  .language-switch button {
    padding: 6px 12px;
    font-size: 0.95rem;
  }
  
  main {
    padding: 20px 0;
  }
  
  .wizard {
    padding: 20px;
    margin-bottom: 20px;
  }
  
  .section-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
  }
  
  .card {
    padding: 20px;
    margin-bottom: 30px;
  }
  
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .feature-item {
    padding: 12px;
    gap: 12px;
  }
  
  .feature-icon {
    font-size: 1.8rem;
  }
  
  .feature-content h3 {
    font-size: 1rem;
  }
  
  .feature-content p {
    font-size: 0.9rem;
  }
  
  .steps {
    flex-wrap: nowrap;
    padding: 20px 0;
    margin-bottom: 30px;
  }
  
  .step {
    width: 25%;
    margin-bottom: 0;
  }
  
  .step-number {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
    margin-bottom: 10px;
  }
  
  .step-title {
    font-size: 0.85rem;
    max-width: 100%;
  }
  
  .ca-options-row {
    flex-direction: column;
    gap: 15px;
  }
  
  .ca-option {
    padding: 15px;
  }
  
  .ca-option-icon {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  
  .form-actions {
    flex-direction: column;
    gap: 10px;
  }
  
  .btn {
    width: 100%;
    padding: 12px;
  }
  
  .form-group {
    margin-bottom: 25px;
  }
  
  .form-label {
    font-size: 0.95rem;
    margin-bottom: 6px;
  }
  
  .form-control {
    padding: 12px;
    font-size: 0.95rem;
  }
  
  .form-hint {
    font-size: 0.8rem;
    margin-top: 4px;
    margin-bottom: 12px;
  }
  
  .radio-group {
    flex-direction: column;
    gap: 10px;
  }
  
  .verification-methods {
    flex-direction: column;
    gap: 10px;
  }
  
  .domain-name {
    flex: 0 0 100%;
    margin-bottom: 10px;
    margin-right: 0;
    text-align: center;
  }
  
  .verification-instructions pre {
    padding: 12px;
    font-size: 0.85rem;
  }
  
  .certificate-result pre {
    padding: 12px;
    font-size: 0.85rem;
  }
  
  .toastState {
    width: 90%;
    right: 5%;
    left: 5%;
  }
}

/* 手机设备 (576px及以下) */
@media (max-width: 576px) {
  .container {
    padding: 0 10px;
  }
  
  .header {
    padding: 10px 0;
  }
  
  .logo h1 {
    font-size: 1.2rem;
  }
  
  .version {
    font-size: 0.75rem;
    margin-left: 8px;
  }
  
  .language-switch button {
    padding: 5px 10px;
    font-size: 0.9rem;
  }
  
  main {
    padding: 15px 0;
  }
  
  .wizard {
    padding: 15px;
    margin-bottom: 15px;
  }
  
  .section-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
  }
  
  .card {
    padding: 15px;
    margin-bottom: 25px;
  }
  
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  
  .feature-item {
    padding: 10px;
    gap: 10px;
    flex-direction: column;
    text-align: center;
  }
  
  .feature-icon {
    font-size: 1.6rem;
  }
  
  .feature-content h3 {
    font-size: 0.95rem;
    margin-bottom: 6px;
  }
  
  .feature-content p {
    font-size: 0.85rem;
  }
  
  .steps {
    padding: 15px 0;
    margin-bottom: 25px;
  }
  
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .step-title {
    font-size: 0.75rem;
    line-height: 1.2;
  }
  
  .ca-option {
    padding: 12px;
  }
  
  .ca-option-icon {
    width: 35px;
    height: 35px;
    font-size: 18px;
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  .form-label {
    font-size: 0.9rem;
    margin-bottom: 5px;
  }
  
  .form-control {
    padding: 10px;
    font-size: 0.9rem;
  }
  
  .form-hint {
    font-size: 0.75rem;
    margin-top: 3px;
    margin-bottom: 10px;
  }
  
  .btn {
    padding: 10px;
    font-size: 0.9rem;
  }
  
  .verification-instructions pre {
    padding: 10px;
    font-size: 0.8rem;
    max-height: 150px;
  }
  
  .certificate-result pre {
    padding: 10px;
    font-size: 0.8rem;
    max-height: 150px;
  }
  
  .domain-verification {
    padding: 15px;
  }
  
  .domain-verification h5 {
    padding: 10px;
    font-size: 1rem;
  }
  
  .domain-verification-row {
    flex-direction: column;
    padding: 10px;
  }
  
  .domain-name {
    flex: none;
    width: 100%;
    margin-bottom: 10px;
    margin-right: 0;
  }
  
  .verification-methods {
    flex-direction: column;
    gap: 8px;
  }
  
  .verification-method-option {
    padding: 10px;
  }
  
  .verification-method-title {
    font-size: 0.9rem;
  }
  
  .verification-method-desc {
    font-size: 0.8rem;
  }
  
  .loading-spinner {
    width: 40px;
    height: 40px;
    border-width: 4px;
  }
  
  .loading-text {
    font-size: 1rem;
  }
}

/* 超小屏幕设备 (400px及以下) */
@media (max-width: 400px) {
  .container {
    padding: 0 8px;
  }
  
  .logo h1 {
    font-size: 1.1rem;
  }
  
  .language-switch button {
    padding: 4px 8px;
    font-size: 0.85rem;
  }
  
  .wizard {
    padding: 12px;
  }
  
  .section-title {
    font-size: 1.1rem;
  }
  
  .card {
    padding: 12px;
  }
  
  .steps {
    padding: 12px 0;
  }
  
  .step-number {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
    margin-bottom: 6px;
  }
  
  .step-title {
    font-size: 0.7rem;
    line-height: 1.1;
  }
  
  .ca-option {
    padding: 10px;
  }
  
  .ca-option-icon {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }
  
  .form-control {
    padding: 8px;
    font-size: 0.85rem;
  }
  
  .btn {
    padding: 8px;
    font-size: 0.85rem;
  }
}