/* 全局样式 */
:root {
  --color-primary: #3b82f6;
  --color-primary-light: #93c5fd;
  --color-primary-dark: #1d4ed8;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-green-500: #22c55e;
  --color-green-600: #16a34a;
  --color-red-500: #ef4444;
  --color-yellow-500: #eab308;
  --color-blue-500: #3b82f6;
  
  /* 背景和文本颜色 */
  --bg-main: var(--color-gray-100);
  --bg-card: #fcfcfc;
  --bg-header: white;
  --bg-footer: #ffffff;
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-muted: var(--color-gray-500);
  --border-color: var(--color-gray-200);
  --shadow-color: rgba(0, 0, 0, 0.08);
  --shadow-color-hover: rgba(0, 0, 0, 0.12);
  --shadow-footer: rgba(0, 0, 0, 0.02);
}

/* 暗色模式变量 */
[data-theme="dark"] {
  --color-primary: #60a5fa;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #93c5fd;
  
  --bg-main: rgb(27, 27, 31);
  --bg-card: rgb(36, 36, 40);
  --bg-header: rgb(36, 36, 40);
  --bg-footer: rgb(36, 36, 40);
  --text-primary: #f9fafb;
  --text-secondary: #e5e7eb;
  --text-muted: #d1d5db;
  --border-color: rgb(48, 48, 52);
  --shadow-color: rgba(0, 0, 0, 0.3);
  --shadow-color-hover: rgba(0, 0, 0, 0.4);
  --shadow-footer: rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a:hover {
  text-decoration: underline;
}

/* 布局 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.main {
  flex-grow: 1;
  padding: 2rem 0;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: 1rem;
}

.gap-8 {
  gap: 2rem;
}

.w-full {
  width: 100%;
}

/* 布局组件 */
.header {
  background-color: var(--bg-header);
  box-shadow: 0 1px 3px var(--shadow-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Banner轮播区域 */
.banner-section {
  margin: 1.5rem 0;
  width: 100%;
}

.banner-container {
  position: relative;
  height: 180px;
  overflow: hidden;
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  background-color: var(--color-gray-100);
}

.banner-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  user-select: none;
  -webkit-user-drag: none;
}

.banner-slide.active {
  opacity: 1;
  z-index: 1;
}

.banner-slide img, .banner-slide iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  border: none;
}

.banner-slide a {
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
  position: relative;
  z-index: 5;
}

.banner-controls {
  position: absolute;
  bottom: 15px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 10;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  margin: 0 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.banner-dot.active {
  background-color: white;
  transform: scale(1.2);
}

.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s ease;
  opacity: 0;
}

.banner-container:hover .banner-arrow {
  opacity: 1;
}

.banner-arrow:hover {
  background-color: rgba(0, 0, 0, 0.5);
}

.banner-arrow-left {
  left: 15px;
}

.banner-arrow-right {
  right: 15px;
}

/* 页脚 - 新样式 */
.footer {
  background-color: var(--bg-footer);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 2rem;
  color: var(--text-secondary);
  box-shadow: 0 -4px 10px var(--shadow-footer);
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
  font-size: 0.95rem;
  padding: 0.25rem 0;
}

.footer-link:hover {
  color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-1px);
}

.footer-link:after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: var(--color-primary);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

.footer-link:hover:after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.footer-link:active {
  transform: translateY(0);
}

.footer-link:not(:last-child)::after {
  content: "•";
  position: absolute;
  right: -0.9rem;
  color: var(--color-gray-400);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-200);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-beian {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.beian-link {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
}

.beian-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.beian-link svg {
  margin-right: 0.25rem;
}

@media (max-width: 768px) {
  .footer {
    padding: 1.5rem 0;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .footer-links {
    justify-content: center;
    gap: 1.25rem 2rem;
    flex-wrap: wrap;
  }
  
  .footer-link:not(:last-child)::after {
    content: none;
  }
  
  .footer-beian {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .footer-links {
    gap: 1rem;
    padding: 0;
  }
  
  .footer-link {
    font-size: 0.875rem;
  }
  
  .footer-copyright {
    font-size: 0.8125rem;
    line-height: 1.4;
  }
  
  .beian-link {
    font-size: 0.8125rem;
  }
}

.sidebar {
  width: 300px;
  flex-shrink: 0;
}

.content {
  flex: 1;
}

/* 卡片 */
.card {
  background-color: var(--bg-card);
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px var(--shadow-color);
  padding: 1.5rem;
  margin-bottom: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-color-hover);
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.card-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 3px;
}

/* 表单元素 */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.25rem;
  font-size: 1rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
  transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

/* 文件上传区域 */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 0.5rem;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.upload-area:hover {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.05);
}

.upload-area.dragging {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.1);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border: none;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.1);
  text-decoration: none;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border: none;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  background-color: rgba(0, 0, 0, 0.05);
  text-decoration: none;
  color: var(--text-primary);
}

[data-theme="dark"] .btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* QQ群卡片样式 */
.qq-group-card {
  background-color: var(--bg-card);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px var(--shadow-color);
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.qq-group-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

.qq-group-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.qq-group-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.qq-group-number {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  transition: color 0.3s ease;
}

.qq-group-number-text {
  margin-right: 0.25rem;
}

.copy-button-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.qq-group-number-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  padding: 4px;
  margin-left: 4px;
  cursor: pointer;
  color: var(--color-gray-500);
  transition: all 0.2s ease;
  border-radius: 4px;
  position: relative;
  outline: none;
}

.qq-group-number-copy:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-100);
}

.qq-group-number-copy:active {
  transform: scale(0.95);
  color: var(--color-primary-dark);
}

.qq-group-number-copy:focus {
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.qq-group-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.copy-tooltip {
  position: absolute;
  background-color: var(--color-gray-800);
  color: white;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
  z-index: 100;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  top: -8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.copy-tooltip:after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  margin-left: -4px;
  width: 8px;
  height: 8px;
  background-color: var(--color-gray-800);
  transform: rotate(45deg);
}

.copy-tooltip.show {
  opacity: 1;
  top: -4px;
}

/* 侧边栏卡片样式 */
.sidebar-card {
  transition: all 0.3s ease;
}

.sidebar-text {
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  transition: color 0.3s ease;
}

.version-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.version-list li {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
  line-height: 1.5;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.version-list li:last-child {
  margin-bottom: 0;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 24px;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 4px;
  margin-right: 0.75rem;
}

.faq-item {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px dashed var(--color-gray-200);
}

.faq-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.faq-question {
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
}

.faq-icon {
  color: var(--color-primary);
  margin-right: 0.5rem;
  flex-shrink: 0;
  transition: color 0.3s ease;
}

.faq-answer {
  padding-left: 1.75rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

@media (max-width: 768px) {
  .sidebar-card {
    padding: 1.25rem;
  }
}

/* 二维码弹窗样式 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--bg-card);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px var(--shadow-color);
  padding: 1.5rem;
  max-width: 90%;
  width: 350px;
  text-align: center;
  transform: translateY(-20px);
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.modal-image {
  max-width: 100%;
  height: auto;
  margin-bottom: 1rem;
  border: 1px solid var(--color-gray-200);
  border-radius: 0.25rem;
}

.modal-footer {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

/* 版本选择器 - 新样式 */
.version-selector-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.version-list-container {
  height: 350px;
  overflow-y: auto;
  padding-right: 0.5rem;
  margin-top: 1rem;
}

.version-category {
  margin-bottom: 1.25rem;
}

.version-category h4 {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
}

.version-category-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.version-item {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
  margin-bottom: 0;
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.version-item:hover {
  border-color: var(--color-primary-light);
  background-color: rgba(59, 130, 246, 0.05);
}

.version-item.selected {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.1);
}

.version-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* 版本对比 - 新样式 */
.version-comparison-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.5rem;
  width: 100%;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.version-comparison-title {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  transition: color 0.3s ease;
}

.version-comparison-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 150px;
}

.version-comparison-icon {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.version-comparison-icon svg {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.version-arrow {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.version-comparison {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin: 1rem 0;
}

.version-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  width: 180px;
  text-align: center;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.file-info {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background-color: var(--bg-card);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.file-icon {
  font-size: 1.5rem;
  margin-right: 0.5rem;
}

.file-name {
  font-weight: 500;
  word-break: break-all;
  margin-bottom: 0.25rem;
}

.file-meta {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 1000;
}

.toast {
  background-color: var(--bg-card);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px var(--shadow-color);
  padding: 1rem;
  margin-top: 0.5rem;
  transition: opacity 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-primary);
}

.toast-success {
  border-left: 4px solid var(--color-green-500);
}

.toast-error {
  border-left: 4px solid var(--color-red-500);
}

.toast-warning {
  border-left: 4px solid var(--color-yellow-500);
}

.toast-info {
  border-left: 4px solid var(--color-blue-500);
}

@keyframes slide-in {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .flex-row {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    order: 2;
  }
}

.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: 0.25rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.hidden {
  display: none;
}

/* 滚动条样式 */
.version-list-container::-webkit-scrollbar {
  width: 6px;
}

.version-list-container::-webkit-scrollbar-track {
  background: var(--color-gray-100);
  border-radius: 3px;
}

.version-list-container::-webkit-scrollbar-thumb {
  background-color: var(--color-gray-300);
  border-radius: 3px;
}

.version-list-container::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-gray-400);
}

.ml-1 {
  margin-left: 0.25rem;
}

/* 暗色模式切换按钮样式 */
.theme-toggle {
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin-right: 0.5rem;
}

.theme-toggle:hover {
  background-color: var(--color-gray-200);
}

[data-theme="dark"] .theme-toggle:hover {
  background-color: var(--color-gray-700);
}

.theme-icon {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.mr-2 {
  margin-right: 0.5rem;
}