* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  font-size: 16px;
  color: #303133;
  line-height: 1.5;
  background: #f5f7fa;
}
.app-container {
  display: flex;
  min-height: 100vh;
  padding-top: 4rem;
}
.sidebar {
  width: 250px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border-right: 1px solid var(--border-color);
}
.sidebar .sidebar-logo h1 {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin: 0;
}
.sidebar .sidebar-logo a {
  text-decoration: none;
  color: inherit;
}
.sidebar .search-box input {
  width: 100%;
  padding: 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.sidebar .sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sidebar .sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 4px;
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color 0.2s;
}
.sidebar .sidebar-nav .nav-item:hover {
  background-color: var(--hover-color);
}
.sidebar .sidebar-nav .nav-item i {
  font-size: 1.25rem;
}
.sidebar .sidebar-nav .nav-item span {
  font-size: 1rem;
}
.main-content {
  position: relative;
  margin-left: 260px;
  min-height: 100vh;
  width: calc(100% - $sidebar-width);
  padding: 2rem;
  background: var(--bg-secondary);
  overflow-x: hidden;
  flex: 1;
}
@media (max-width: 768px) {
  .main-content {
    margin-left: 0;
    width: 100%;
    padding: 1rem;
  }
}
.site-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  text-align: center;
}
.site-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  text-align: center;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}
.feature-grid .feature-item {
  background: var(--feature-card-bg);
  border: 1px solid var(--feature-card-border);
  border-radius: 8px;
  box-shadow: 0 2px 12px var(--feature-card-shadow);
  transition: all 0.3s ease;
  padding: 30px;
  text-align: center;
}
.feature-grid .feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}
.feature-grid .feature-item i {
  font-size: 48px;
  background: linear-gradient(120deg, #409eff, #42b983);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 15px;
  display: block;
  color: var(--feature-icon-color);
}
.feature-grid .feature-item h3 {
  margin: 15px 0;
  color: var(--feature-title-color);
}
.feature-grid .feature-item p {
  color: var(--feature-desc-color);
}
@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 20px;
  }
}
.content-container {
  max-width: 100%;
  height: 100%;
  padding: 2rem;
  background: var(--bg-primary);
  border-radius: 8px;
  box-shadow: 0 2px 12px var(--card-shadow);
}
.right-sidebar {
  width: 250px;
  background: #fff;
  border-left: 1px solid #e4e7ed;
  position: fixed;
  right: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 20px;
}
.right-sidebar-inner {
  position: sticky;
  top: 20px;
}
.home-page {
  text-align: center;
  padding: 20px 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}
.feature-grid .feature-item {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  padding: 30px;
  text-align: center;
}
.feature-grid .feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}
.feature-grid .feature-item i {
  font-size: 48px;
  background: linear-gradient(120deg, #409eff, #42b983);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 15px;
  display: block;
}
.feature-grid .feature-item h3 {
  margin: 15px 0;
  color: #303133;
}
.feature-grid .feature-item p {
  color: #909399;
}
.download-section {
  margin-top: 3rem;
  text-align: center;
  padding: 2rem;
}
.download-section h2 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}
.download-section .download-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 0 auto;
  max-width: 400px;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
  cursor: pointer;
}
.download-btn.primary {
  background: linear-gradient(135deg, #409eff, #208eff);
  color: #fff;
  border: none;
  box-shadow: 0 2px 8px rgba(64,158,255,0.3);
}
.download-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(64,158,255,0.4);
  background: linear-gradient(135deg, #4aa3ff, #409eff);
}
.download-btn.secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.download-btn.secondary:hover {
  background: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.posts-section {
  margin-top: 40px;
}
.post-item {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.post-item .post-title {
  margin: 0;
  font-size: 16px;
}
.post-item .post-title a {
  color: #303133;
  text-decoration: none;
}
.post-item .post-title a:hover {
  color: #409eff;
}
.post-item .post-meta {
  margin-top: 10px;
  font-size: 14px;
  color: #909399;
}
.post-container {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: 0 2px 12px var(--card-shadow);
  padding: 40px;
  border-radius: 8px;
}
.post-container .post-title {
  color: var(--article-title-color);
  margin-bottom: 20px;
}
.post-container .post-meta {
  color: var(--text-secondary);
  margin-bottom: 30px;
}
.post-container .post-meta span {
  margin-right: 20px;
}
.post-container .post-content {
  color: var(--article-text-color);
}
.post-container .post-content h1,
.post-container .post-content h2,
.post-container .post-content h3,
.post-container .post-content h4,
.post-container .post-content h5,
.post-container .post-content h6 {
  color: var(--article-title-color);
  margin: 1.5em 0 0.5em;
}
.post-container .post-content p {
  margin-bottom: 1em;
  line-height: 1.8;
}
.post-container .post-content a {
  color: var(--article-link-color);
  text-decoration: none;
}
.post-container .post-content a:hover {
  text-decoration: underline;
}
.post-container .post-content code {
  background-color: var(--article-code-bg);
  color: var(--article-code-color);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: source-code-pro, Monaco, Menlo, Consolas, monospace;
}
.post-container .post-content pre {
  background-color: var(--article-code-bg);
  padding: 1em;
  border-radius: 8px;
  overflow: auto;
  margin: 1em 0;
}
.post-container .post-content pre code {
  background: none;
  padding: 0;
}
.post-container .post-content blockquote {
  background-color: var(--article-blockquote-bg);
  border-left: 4px solid var(--article-blockquote-border);
  padding: 1em;
  margin: 1em 0;
  color: var(--article-text-color);
}
.post-container .post-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 1em 0;
}
.archive-container {
  background: #fff;
  border-radius: 8px;
  padding: 40px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.changelog .post-item {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
@media (max-width: 1200px) {
  .right-sidebar {
    display: none;
  }
  .main-content {
    margin-right: 0;
  }
}
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .main-content {
    margin-left: 0;
    padding: 20px;
  }
  .sidebar-open .sidebar {
    transform: translateX(0);
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 20px;
  }
  .menu-toggle {
    display: block;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    padding: 10px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }
}
.fade-enter-active,
.fade-leave-active {
  transition: all 0.3s ease;
}
.fade-enter-from,
.fade-leave-to {
  opacity: 0;
  transform: translateY(10px);
}
.toolbar {
  position: fixed;
  top: 1rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 100;
}
.language-dropdown {
  position: relative;
}
.language-dropdown .language-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.9rem;
}
.language-dropdown .language-btn i {
  font-size: 1.2rem;
}
.language-dropdown .language-menu {
  position: absolute;
  top: calc(100% + 5px);
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 0;
  min-width: 120px;
  box-shadow: 0 2px 8px var(--card-shadow);
  display: none;
}
.language-dropdown .language-menu a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
}
.language-dropdown .language-menu a:hover {
  background: var(--bg-secondary);
}
.language-dropdown .language-menu a.active {
  background: var(--primary-color);
  color: #fff;
}
.theme-switch {
  position: relative;
  margin-left: 1rem;
}
.theme-switch .theme-checkbox {
  display: none;
}
.theme-switch .theme-label {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3rem;
  position: relative;
  width: 3rem;
  height: 1.5rem;
}
.theme-switch .theme-label .light-icon,
.theme-switch .theme-label .dark-icon {
  font-size: 1rem;
  color: var(--text-primary);
  z-index: 2;
  transition: color 0.3s ease;
}
.theme-switch .theme-label .dark-icon {
  opacity: 0;
}
.theme-switch .theme-checkbox:checked + .theme-label .light-icon {
  opacity: 0;
}
.theme-switch .theme-checkbox:checked + .theme-label .dark-icon {
  opacity: 1;
  color: #ffd700;
}
.theme-switch .theme-checkbox:not(:checked) + .theme-label .light-icon {
  opacity: 1;
  color: #ff8c00;
}
.theme-switch .theme-checkbox:not(:checked) + .theme-label .dark-icon {
  opacity: 0;
}
:root.theme-light {
  --primary-color: #409eff;
  --primary-color-hover: #66b1ff;
  --bg-primary: #fff;
  --bg-secondary: #f5f7fa;
  --text-primary: #303133;
  --text-secondary: #909399;
  --border-color: #dcdfe6;
  --sidebar-bg: #fff;
  --sidebar-text: #303133;
  --card-bg: #fff;
  --card-shadow: rgba(0,0,0,0.12);
  --box-shadow: 0 2px 12px 0 rgba(0,0,0,0.1);
}
:root.theme-dark {
  --primary-color: #409eff;
  --primary-color-hover: #66b1ff;
  --bg-primary: #1e1e1e;
  --bg-secondary: #2d2d2d;
  --text-primary: #fff;
  --text-secondary: #909399;
  --border-color: #4c4d4f;
  --sidebar-bg: #2d2d2d;
  --sidebar-text: #fff;
  --card-bg: #2d2d2d;
  --card-shadow: rgba(0,0,0,0.3);
  --box-shadow: 0 2px 12px 0 rgba(0,0,0,0.3);
}
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}
.sidebar {
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  border-right: 1px solid var(--border-color);
}
.sidebar .nav-item a {
  color: var(--sidebar-text);
}
.sidebar .nav-item a:hover {
  background-color: var(--sidebar-hover);
}
.search-box input {
  background-color: var(--search-bg);
  border: 1px solid var(--search-border);
  color: var(--search-text);
}
.search-box input::placeholder {
  color: var(--search-placeholder);
}
.feature-item {
  background-color: var(--feature-card-bg);
  border: 1px solid var(--feature-card-border);
  box-shadow: 0 2px 12px var(--feature-card-shadow);
}
.feature-item i {
  color: var(--feature-icon-color);
}
.feature-item h3 {
  color: var(--feature-title-color);
}
.feature-item p {
  color: var(--feature-desc-color);
}
.download-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}
.page-container {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: 0 2px 12px var(--card-shadow);
}
.post-content {
  color: var(--text-primary);
}
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  color: var(--text-primary);
}
.post-content p {
  color: var(--text-secondary);
}
.post-content code {
  background-color: var(--article-code-bg);
  color: var(--article-code-color);
}
.post-content pre {
  background-color: var(--article-code-bg);
  border: 1px solid var(--border-color);
}
.pagination a,
.pagination span {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
}
.pagination a:hover,
.pagination span:hover {
  background-color: var(--primary-color);
  color: var(--btn-primary-text);
}
.pagination a.current,
.pagination span.current {
  background-color: var(--primary-color);
  color: var(--btn-primary-text);
}
.changelog-container {
  background-color: var(--changelog-bg);
  border: 1px solid var(--changelog-border);
  box-shadow: 0 2px 12px var(--changelog-shadow);
}
.changelog-container .changelog-item {
  border-bottom: 1px solid var(--changelog-divider);
}
.changelog-container .changelog-item .changelog-version {
  color: var(--changelog-title-color);
}
.changelog-container .changelog-item .changelog-date {
  color: var(--changelog-date-color);
}
.changelog-container .changelog-item .changelog-content {
  color: var(--changelog-content-color);
}
.feature-grid .feature-item {
  background-color: var(--feature-card-bg);
  border: 1px solid var(--feature-card-border);
  box-shadow: 0 2px 12px var(--feature-card-shadow);
}
.feature-grid .feature-item i {
  color: var(--feature-icon-color);
}
.feature-grid .feature-item h3 {
  color: var(--feature-title-color);
}
.feature-grid .feature-item p {
  color: var(--feature-desc-color);
}
.article-content {
  background-color: var(--article-bg);
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
  color: var(--article-title-color);
}
.article-content p {
  color: var(--article-text-color);
}
.article-content a {
  color: var(--article-link-color);
}
.article-content a:hover {
  text-decoration: underline;
}
.article-content code {
  background-color: var(--article-code-bg);
  color: var(--article-code-color);
}
.article-content pre {
  background-color: var(--article-code-bg);
  border: 1px solid var(--changelog-border);
}
.article-content blockquote {
  background-color: var(--article-blockquote-bg);
  border-left: 4px solid var(--article-blockquote-border);
  color: var(--article-text-color);
}
.article-content ul,
.article-content ol {
  color: var(--article-text-color);
}
.article-content table {
  border-color: var(--changelog-border);
}
.article-content table th {
  background-color: var(--article-code-bg);
  color: var(--article-title-color);
}
.article-content table td {
  color: var(--article-text-color);
  border-color: var(--changelog-border);
}
:root {
  --sidebar-bg-light: #fff;
  --sidebar-text-light: #2c3e50;
  --sidebar-hover-light: rgba(0,0,0,0.05);
  --sidebar-bg-dark: #1a1a1a;
  --sidebar-text-dark: #fff;
  --sidebar-hover-dark: rgba(255,255,255,0.1);
}
.sidebar {
  transition: background-color 0.3s, color 0.3s;
}
.sidebar .nav-item {
  color: inherit;
}
.sidebar .nav-item:hover {
  background-color: var(--sidebar-hover);
}
.changelog-page {
  background: var(--bg-primary);
  border-radius: 8px;
  padding: 3rem;
  box-shadow: 0 2px 12px var(--card-shadow);
}
.changelog-page h1 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  color: var(--text-primary);
}
.changelog-page .version-item {
  margin-bottom: 3rem;
}
.changelog-page .version-item .version-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.changelog-page .version-item .version-header h2 {
  font-size: 1.8rem;
  color: var(--text-primary);
  margin: 0;
}
.changelog-page .version-item .version-header .date {
  color: var(--text-secondary);
  font-size: 1rem;
}
.changelog-page .version-item .section {
  margin-bottom: 2rem;
}
.changelog-page .version-item .section h3 {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.changelog-page .version-item .section ul {
  list-style: none;
  padding-left: 1.5rem;
}
.changelog-page .version-item .section ul li {
  position: relative;
  margin-bottom: 0.8rem;
  color: var(--text-secondary);
}
.changelog-page .version-item .section ul li::before {
  content: "•";
  color: var(--primary-color);
  position: absolute;
  left: -1.5rem;
}
.page-container {
  background: none;
  border: none;
  box-shadow: none;
}
:root .theme-light {
  --card-bg: #fff;
  --border-color: #e5e7eb;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --primary-color: #10b981;
  --card-shadow: rgba(0,0,0,0.1);
}
:root .theme-dark {
  --card-bg: #1f2937;
  --border-color: #374151;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --primary-color: #10b981;
  --card-shadow: rgba(0,0,0,0.3);
}
.feature-card {
  background: var(--bg-primary);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}
.feature-card .icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}
.page-title {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 2rem;
}
.doc-content h1 {
  font-size: 2.2rem;
  margin-bottom: 2rem;
  text-align: center;
}
.doc-content h2 {
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
  color: var(--text-primary);
}
.doc-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.doc-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.page-wrapper {
  padding: 2rem;
  background: var(--bg-secondary);
  min-height: calc(100vh - 4rem);
}
.toolbar {
  position: fixed;
  top: 1rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 100;
}
.home-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}
.home-content > section {
  background: var(--bg-primary);
  border-radius: 8px;
  padding: 3rem 2rem;
  margin-bottom: 3rem;
  box-shadow: 0 2px 12px var(--card-shadow);
  transition: all 0.3s ease;
}
.home-content > section:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--card-shadow);
}
.header-section {
  text-align: center;
}
.header-section .site-title {
  margin-bottom: 1rem;
}
.header-section .site-description {
  margin-bottom: 0;
}
.features-section .feature-grid {
  margin: 0;
}
.download-section {
  margin-top: 0;
  padding: 3rem 2rem;
}
.platform-downloads {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}
.download-btn.platform {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  min-width: 200px;
}
.download-btn.platform:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--card-shadow);
}
.download-btn.platform i {
  font-size: 1.5rem;
  color: var(--primary-color);
}
.download-btn.platform .platform-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.download-btn.platform .platform-info .platform-name {
  font-weight: 500;
  color: var(--text-primary);
}
.download-btn.platform .platform-info .version {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.sponsor-section {
  text-align: center;
  padding: 3rem 2rem;
}
.sponsor-section h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.sponsor-section .sponsor-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.sponsor-tabs {
  max-width: 800px;
  margin: 0 auto;
}
.sponsor-tabs .tab-header {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}
.sponsor-tabs .tab-header .tab-btn {
  padding: 0.8rem 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
}
.sponsor-tabs .tab-header .tab-btn:first-child {
  border-radius: 4px 0 0 4px;
}
.sponsor-tabs .tab-header .tab-btn:last-child {
  border-radius: 0 4px 4px 0;
}
.sponsor-tabs .tab-header .tab-btn.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}
.sponsor-tabs .tab-content .tab-pane {
  display: none;
}
.sponsor-tabs .tab-content .tab-pane.active {
  display: block;
}
.payment-methods {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}
.payment-methods .payment-method {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  min-width: 250px;
}
.payment-methods .payment-method:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px var(--card-shadow);
}
.payment-methods .payment-method i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}
.payment-methods .payment-method h3 {
  margin: 1rem 0;
  color: var(--text-primary);
}
.payment-methods .payment-method .qr-code {
  margin-top: 1.5rem;
}
.payment-methods .payment-method .qr-code img {
  max-width: 180px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}
.payment-methods .payment-method .sponsor-btn {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.8rem 1.5rem;
  background: var(--primary-color);
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s ease;
}
.payment-methods .payment-method .sponsor-btn:hover {
  background: var(--primary-color-hover);
  transform: translateY(-2px);
}
@media (max-width: 768px) {
  .payment-methods {
    flex-direction: column;
    align-items: center;
  }
  .sponsor-tabs .tab-header .tab-btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
}
.button,
.sponsor-btn,
.download-btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: all 0.3s;
  cursor: pointer;
  outline: none;
}
.button:hover,
.sponsor-btn:hover,
.download-btn:hover {
  opacity: 0.85;
}
.button:active,
.sponsor-btn:active,
.download-btn:active {
  opacity: 0.7;
}
.button-primary,
.sponsor-btn {
  background-color: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}
.button-primary:hover,
.sponsor-btn:hover {
  background-color: var(--primary-color-hover);
  border-color: var(--primary-color-hover);
}
.card,
.payment-method,
.feature-card {
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
  box-shadow: var(--box-shadow);
}
.card:hover,
.payment-method:hover,
.feature-card:hover {
  box-shadow: 0 4px 16px 0 var(--card-shadow);
}
.input,
.search-box input {
  display: inline-block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: border-color 0.3s;
}
.input:focus,
.search-box input:focus {
  outline: none;
  border-color: var(--primary-color);
}
.dropdown-menu,
.language-menu {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--box-shadow);
  padding: 0.5rem 0;
}
.dropdown-menu a,
.language-menu a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 14px;
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color 0.3s;
}
.dropdown-menu a:hover,
.language-menu a:hover {
  background-color: var(--bg-secondary);
}
.dropdown-menu a.active,
.language-menu a.active {
  color: var(--primary-color);
  font-weight: 500;
}