#app-content[data-theme=light] {
  --primary-light: #6c83f7;
  --darker: #020617;
  --gray-light: #94a3b8;
}
#app-content[data-theme=light] .hero {
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 50%, #eef2ff 100%);
}
#app-content[data-theme=light] .hero h1 {
  color: #1e293b;
}
#app-content[data-theme=light] .hero p {
  color: #64748b;
}
#app-content[data-theme=light] .hero::after {
  background: #f0f4ff;
  background: linear-gradient(135deg, #f0f4ff, #e0e7ff);
}
#app-content[data-theme=light] .file-info-bar {
  background: #f1f5f9;
}
#app-content[data-theme=light] .preview-container {
  background: #f8fafc;
}
#app-content[data-theme=light] .preview-container .preview-text {
  color: #1e293b;
}
#app-content[data-theme=light] .setting-card {
  background: #f8fafc;
}
#app-content[data-theme=light] .setting-card select {
  background: #fff;
  color: #1e293b;
}
#app-content[data-theme=light] .loading-overlay {
  background: rgba(248, 250, 252, 0.9);
}
#app-content[data-theme=light] .loading-text {
  color: #1e293b;
}
#app-content[data-theme=light] .stat-box {
  background: #f8fafc;
}
#app-content[data-theme=light] .stat-box .s-val {
  color: #1e293b;
}
#app-content[data-theme=light] .progress-wrap {
  background: #f8fafc;
}
#app-content[data-theme=light] .url-input-zone {
  background: rgba(67, 97, 238, 0.04);
}
#app-content[data-theme=light] .url-input {
  background: #fff;
  color: #1e293b;
}
#app-content[data-theme=light] .example-item {
  background: #f8fafc;
}
#app-content[data-theme=light] .example-item .example-url {
  color: #475569;
}
#app-content[data-theme=light] .reader-meta {
  background: #f1f5f9;
}
#app-content[data-theme=light] #readerBody .r-p {
  color: #475569;
}
#app-content[data-theme=light] #readerBody .r-li {
  color: #475569;
}
#app-content[data-theme=light] #readerBody .r-bq {
  background: #f1f5f9;
  color: #64748b;
}
#app-content[data-theme=light] #readerBody .r-pre {
  background: #f1f5f9;
}
#app-content[data-theme=light] #readerBody .r-code {
  background: #f1f5f9;
}
#app-content[data-theme=light] #readerBody .r-fig div {
  background: #f1f5f9;
}
#app-content[data-theme=light] .multi-url-row .url-input {
  background: #fff;
  color: #1e293b;
}
#app-content[data-theme=light] #floatThemeToggle {
  background: #fff;
  border-color: #cbd5e1;
  color: #1e293b;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
#app-content[data-theme=light] #floatThemeToggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.75;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary-light);
}

img {
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 60px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 40px 0;
  }
}
::selection {
  background: var(--primary);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray);
}

.hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(67, 97, 238, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-body);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.2;
}
.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

.tool-wrapper {
  margin-top: -30px;
  position: relative;
  z-index: 10;
  padding-bottom: 2rem;
}

.tool-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.url-input-zone {
  border: 2.5px dashed rgba(67, 97, 238, 0.3);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  transition: all 0.3s;
  background: rgba(67, 97, 238, 0.03);
}
.url-input-zone:hover {
  border-color: var(--primary);
  background: rgba(67, 97, 238, 0.07);
}
.url-input-zone .icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.url-input-zone h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.url-input-zone p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.url-input-group {
  display: flex;
  gap: 10px;
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .url-input-group {
    flex-direction: column;
  }
}
.url-input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  outline: none;
  background: var(--bg-card);
  color: var(--text-primary);
  transition: border-color 0.2s;
}
.url-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.example-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.example-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-body);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--border);
  text-align: left;
}
.example-item:hover {
  background: rgba(67, 97, 238, 0.07);
  border-color: var(--primary);
  transform: translateX(4px);
}
.example-item .example-icon {
  color: var(--primary);
  flex-shrink: 0;
  font-size: 1.1rem;
}
.example-item .example-url {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.file-info-bar {
  background: var(--bg-body);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.file-info-bar .info-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.file-info-bar .info-chip i {
  color: var(--primary);
  font-size: 0.8rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
  margin: 10px 0;
}

.stat-box {
  background: var(--bg-body);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}
.stat-box .s-val {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}
.stat-box .s-lbl {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-top: 2px;
}

.preview-wrap {
  background: var(--bg-body);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 1rem;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.preview-header span {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #8899aa;
}

#previewBody {
  min-height: 150px;
  overflow: auto;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.setting-card {
  background: var(--bg-body);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 0.2s;
}
.setting-card:focus-within {
  border-color: var(--primary);
}
.setting-card label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.setting-card label i {
  color: var(--primary);
  font-size: 0.85rem;
}
.setting-card select, .setting-card input[type=checkbox] {
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.85rem;
  color: var(--text-primary);
  background: var(--bg-card);
  width: 100%;
  cursor: pointer;
}
.setting-card select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 400;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--text-secondary);
  text-transform: none;
  letter-spacing: 0;
}
.checkbox-group input {
  width: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(67, 97, 238, 0.4);
  color: #fff;
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #fff;
  box-shadow: 0 4px 15px rgba(6, 214, 160, 0.3);
}
.btn-success:hover {
  transform: translateY(-2px);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  background: var(--bg-card-hover);
  color: #fff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 12px 30px;
  font-size: 1rem;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

.w-100 {
  width: 100%;
}

.d-none {
  display: none !important;
}

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

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.2rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.progress-wrap {
  margin-top: 14px;
}

.progress {
  height: 8px;
  border-radius: 8px;
  background: var(--bg-body);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--primary), #7209b7);
  transition: width 0.3s;
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}
.loading-overlay.active {
  display: flex;
}

.loader-box {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  max-width: 300px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 14px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.loading-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.success-box {
  background: linear-gradient(135deg, #059669, #10b981);
  border-radius: 14px;
  padding: 22px;
  text-align: center;
  color: #fff;
  margin-top: 1rem;
}

.success-box h4 {
  color: #fff;
  margin-bottom: 4px;
  font-size: 1rem;
}

.success-box p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 10px;
  font-size: 0.88rem;
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #1e293b;
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.85rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(-20px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 10000;
  max-width: 360px;
}
.notification.show {
  transform: translateY(0);
  opacity: 1;
}
.notification.n-success {
  background: #059669;
}
.notification.n-error {
  background: #dc2626;
}
.notification.n-warning {
  background: #d97706;
}

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  padding: 18px;
  margin: 14px 0;
  background: var(--bg-body);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.trust-item i {
  color: var(--primary);
}

.content-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 36px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.content-card h2 {
  font-size: 1.4rem;
  margin-bottom: 14px;
  color: var(--text-primary);
}
.content-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.content-card p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.8;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.case-card {
  background: var(--bg-body);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  position: relative;
}
.case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.case-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.case-card h3 {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.case-detail {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  line-height: 1.5;
}
.case-detail strong {
  color: var(--primary);
}

.usage-steps {
  margin: 20px 0;
}

.usage-step {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  align-items: flex-start;
}

.usage-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.usage-step-content {
  flex: 1;
}
.usage-step-content h3 {
  font-size: 0.9rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.usage-step-content p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin: 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 6px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}
.faq-question:hover {
  background: var(--bg-body);
}

.faq-toggle {
  transition: transform 0.3s;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.faq-item.open .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 16px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 16px 12px;
}
.faq-item.open .faq-answer div {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.related-tools {
  padding: 30px 0;
}
.related-tools h2 {
  text-align: center;
  font-size: 1.3rem;
  margin-bottom: 6px;
}
.related-tools > p {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.related-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(67, 97, 238, 0.1);
  transform: translateY(-2px);
}

.related-icon {
  font-size: 1.4rem;
  color: var(--primary);
}

.related-name {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.related-desc {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(67, 97, 238, 0.3);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
  z-index: 999;
}

#floatThemeToggle {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}
#floatThemeToggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-50%) scale(1.1);
}

.show {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.reader-meta {
  background: var(--bg-body);
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.reader-meta h2 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text-primary);
  line-height: 1.4;
}

.reader-meta .meta-line {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

#readerBody {
  padding: 1.5rem;
  overflow: auto;
  max-height: 500px;
  min-height: 180px;
}
#readerBody .r-h1 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.3;
}
#readerBody .r-h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}
#readerBody .r-p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.7;
}
#readerBody .r-li {
  font-size: 0.83rem;
  color: var(--text-secondary);
  margin-bottom: 3px;
  padding-left: 14px;
  list-style: disc;
}
#readerBody .r-bq {
  border-left: 3px solid var(--primary);
  padding: 6px 14px;
  margin-bottom: 10px;
  font-style: italic;
  color: var(--text-secondary);
  background: var(--bg-body);
  border-radius: 0 6px 6px 0;
  font-size: 0.85rem;
}
#readerBody .r-code {
  background: var(--bg-body);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: "Courier New", monospace;
  font-size: 0.78rem;
  color: var(--text-primary);
}
#readerBody .r-pre {
  background: var(--bg-body);
  padding: 10px 14px;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 8px;
  font-size: 0.75rem;
  line-height: 1.5;
  font-family: "Courier New", monospace;
  color: var(--text-primary);
}
#readerBody .r-fig {
  margin-bottom: 8px;
  text-align: center;
}
#readerBody .r-fig img {
  max-width: 100%;
  border-radius: 6px;
}
#readerBody .r-cap {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 2px;
}
#readerBody .r-hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 10px 0;
}
#readerBody .r-a {
  color: var(--primary);
  text-decoration: underline;
}

.multi-url-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.multi-url-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.multi-url-row .url-input {
  flex: 1;
}
.multi-url-row .remove-url {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .tool-card {
    padding: 1.5rem;
  }
  .settings-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero {
    padding: 70px 0 50px;
  }
}