/* --- 1. Global & Theme --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #f6821f;
  --secondary-color: #fb923c;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --text-color: #1f2937;
  --text-color-secondary: #6b7280;
  --bg-color: #f9fafb;
  --card-bg: #ffffff;
  --border-color: #e5e7eb;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

[data-theme='dark'] {
  --primary-color: #fb923c;
  --secondary-color: #fbbf24;
  --accent-color: #f59e0b;
  --success-color: #34d399;
  --text-color: #f9fafb;
  --text-color-secondary: #9ca3af;
  --bg-color: #111827;
  --card-bg: #1f2937;
  --border-color: #374151;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--bg-color);
  transition: background-color 0.3s, color 0.3s;
}

/* --- 2. IP Clickable & Modal --- */

/* IP 点击样式 */
.ip-text {
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 6px;
}

.ip-text.clickable {
  cursor: pointer;
}

.ip-text.clickable:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-1px);
}

.ip-text .loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

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

/* IP 详情弹窗 */
.ip-detail-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.ip-detail-content {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 28px;
  padding-right: 20px; /* 为滚动条留出空间 */
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3),
    0 10px 10px -5px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.3s ease;
  position: relative;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ip-detail-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-color-secondary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.2s;
  padding: 0;
  line-height: 1;
}

.ip-detail-close:hover {
  background: var(--border-color);
  color: var(--text-color);
  transform: rotate(90deg);
}

.ip-detail-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-right: 40px; /* 为关闭按钮留出空间 */
}

.ip-detail-source {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-color-secondary);
  opacity: 0.7;
  padding: 4px 10px;
  background: var(--bg-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.ip-detail-section {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.ip-detail-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.ip-detail-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ip-detail-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border-color);
}

.ip-detail-item:last-child {
  border-bottom: none;
}

.ip-detail-label {
  color: var(--text-color-secondary);
  font-weight: 500;
}

.ip-detail-value {
  color: var(--text-color);
  font-weight: 600;
  text-align: right;
  word-break: break-all;
}

.danger-text {
  color: #ef4444;
  font-weight: 700;
}

.success-text {
  color: #10b981;
  font-weight: 700;
}

.warning-text {
  color: #f59e0b;
  font-weight: 700;
}

/* IP 类型样式 */
.ip-type-residential {
  color: #10b981;
  font-weight: 700;
}

.ip-type-business {
  color: #f59e0b;
  font-weight: 700;
}

.ip-type-hosting {
  color: var(--text-color);
  font-weight: 700;
}

.ip-type-unknown {
  color: var(--text-color-secondary);
  font-weight: 700;
}

.ip-detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

/* 综合滥用评分新增样式 */
.badge-verylow {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.badge-low {
  background: rgba(134, 239, 172, 0.15);
  color: #22c55e;
}

.badge-elevated {
  background: rgba(250, 204, 21, 0.15);
  color: #eab308;
}

.badge-high {
  background: rgba(251, 146, 60, 0.15);
  color: #f97316;
}

.badge-critical {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
}

/* 暗色主题下的滥用评分样式优化 */
[data-theme='dark'] .badge-verylow {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

[data-theme='dark'] .badge-low {
  background: rgba(134, 239, 172, 0.2);
  color: #86efac;
}

[data-theme='dark'] .badge-elevated {
  background: rgba(250, 204, 21, 0.2);
  color: #fde047;
}

[data-theme='dark'] .badge-high {
  background: rgba(251, 146, 60, 0.2);
  color: #fb923c;
}

[data-theme='dark'] .badge-critical {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.abuse-risk-level {
  margin-left: 8px;
  font-size: 12px;
  opacity: 0.8;
}

.abuse-score-note {
  background: rgba(59, 130, 246, 0.05);
  padding: 8px;
  border-radius: 6px;
  margin-top: 4px;
}

[data-theme='dark'] .abuse-score-note {
  background: rgba(59, 130, 246, 0.1);
}

/* --- 2a. IP Modal Tooltip --- */

/* 综合滥用评分帮助图标 */
.score-help-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border-radius: 50%;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  margin-left: 6px;
  transition: all 0.2s ease;
  vertical-align: middle;
  -webkit-user-select: none;
  user-select: none;
}

.score-help-icon:hover {
  background: rgba(59, 130, 246, 0.25);
  transform: scale(1.1);
}

[data-theme='dark'] .score-help-icon {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

[data-theme='dark'] .score-help-icon:hover {
  background: rgba(59, 130, 246, 0.3);
}

/* 评分算法气泡提示 */
.score-tooltip {
  display: none;
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  z-index: 10001;
  width: 90%;
  max-width: 400px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-color-secondary);
  text-align: left;
  animation: tooltipFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.score-tooltip.show {
  display: block;
}

.tooltip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.tooltip-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-color);
}

.tooltip-close-hint {
  font-size: 12px;
  color: var(--text-color-secondary);
  opacity: 0.7;
}

.tooltip-section {
  margin-bottom: 16px;
}

.tooltip-section:last-child {
  margin-bottom: 0;
}

.tooltip-section-title {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 8px;
  font-size: 15px;
}

.formula-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-color);
  border-radius: 8px;
  margin-bottom: 6px;
}

.formula-name {
  font-weight: 500;
}

.formula-equation code {
  font-family: 'Fira Code', 'Courier New', monospace;
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 13px;
}

[data-theme='dark'] .formula-equation code {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

.risk-list {
  list-style: none;
  padding: 8px 12px;
  background: var(--bg-color);
  border-radius: 8px;
  columns: 2;
  column-gap: 10px;
}

.risk-list li {
  padding: 4px 0;
  white-space: nowrap;
}

.risk-list li::before {
  content: '•';
  color: var(--primary-color);
  margin-right: 8px;
  font-weight: bold;
}

/* 气泡提示的背景遮罩（可选，增强聚焦效果） */
.score-tooltip-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 10000;
  animation: backdropFadeIn 0.2s ease;
}

.score-tooltip-backdrop.show {
  display: block;
}

@keyframes tooltipFadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes backdropFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 让包含问号的标签支持相对定位 */
.ip-detail-label {
  position: relative;
}

[data-theme='dark'] .ip-detail-content {
  background: #1f2937;
}

/* --- 2b. IP Modal Scrollbar --- */

/* 美化滚动条 */
.ip-detail-content::-webkit-scrollbar {
  width: 12px;
  background: transparent;
}

.ip-detail-content::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 0 16px 16px 0; /* 右侧圆角与弹窗一致 */
  margin: 4px 0;
}

.ip-detail-content::-webkit-scrollbar-thumb {
  background: linear-gradient(
    180deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 10px;
  border: 3px solid var(--card-bg); /* 增加边框,让滚动条看起来更细 */
  background-clip: padding-box; /* 确保背景不会覆盖边框 */
  transition: all 0.3s ease;
}

.ip-detail-content::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(
    180deg,
    var(--secondary-color),
    var(--accent-color)
  );
  box-shadow: 0 0 10px rgba(246, 130, 31, 0.6);
  border-width: 2px;
}

.ip-detail-content::-webkit-scrollbar-thumb:active {
  background: var(--primary-color);
  border-width: 2px;
}

/* 滚动条按钮 - 隐藏上下箭头 */
.ip-detail-content::-webkit-scrollbar-button {
  display: none;
  height: 0;
  width: 0;
}

.ip-detail-content::-webkit-scrollbar-button:start:decrement,
.ip-detail-content::-webkit-scrollbar-button:end:increment {
  display: none;
}

/* Firefox 滚动条美化 */
.ip-detail-content {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) transparent;
  scrollbar-gutter: stable; /* 为滚动条保留空间 */
}

[data-theme='dark'] .ip-detail-content::-webkit-scrollbar-thumb {
  border-color: #1f2937;
}

[data-theme='dark'] .ip-detail-content::-webkit-scrollbar-thumb:hover {
  border-width: 2px;
}

[data-theme='dark'] .ip-detail-content {
  scrollbar-color: var(--primary-color) transparent;
}

/* --- 2c. IP Modal Responsive --- */

/* 响应式 */
@media (max-width: 768px) {
  .ip-detail-content {
    padding: 20px;
    padding-right: 20px; /* 移动端恢复正常padding */
    margin: 10px;
  }

  /* 移动端隐藏滚动条或使用默认样式 */
  .ip-detail-content::-webkit-scrollbar {
    width: 6px;
  }

  .ip-detail-content::-webkit-scrollbar-thumb {
    border-width: 2px;
  }

  .ip-detail-title {
    font-size: 20px;
    padding-right: 50px; /* 移动端关闭按钮留更多空间 */
    /* 移除 flex-direction: column, 保持默认 row 让它自然换行 */
    /* align-items 保持 center */
  }

  .ip-detail-source {
    font-size: 11px;
    /* 不需要 margin-left: 0, 让 flex gap 自动处理 */
  }

  .ip-detail-item {
    flex-direction: column;
    gap: 4px;
  }

  .ip-detail-value {
    text-align: left;
  }
}

/* --- 3. Header & Theme Switcher --- */

.header {
  background: var(--card-bg);
  color: var(--text-color);
  padding: 2rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

#theme-switcher {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  padding: 0.75rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
}

#theme-switcher:hover {
  transform: scale(1.1) rotate(15deg);
  border-color: var(--primary-color);
  box-shadow: 0 8px 16px rgba(246, 130, 31, 0.3);
}

#theme-switcher svg {
  transition: all 0.3s ease;
  color: var(--text-color);
}

#theme-switcher .sun-icon {
  display: none;
}

#theme-switcher .moon-icon {
  display: block;
}

[data-theme='dark'] #theme-switcher {
  background: #f3f4f6;
  border-color: #d1d5db;
}

[data-theme='dark'] #theme-switcher svg {
  color: #1f2937;
}

[data-theme='dark'] #theme-switcher:hover {
  background: #ffffff;
  border-color: var(--primary-color);
}

[data-theme='dark'] #theme-switcher .sun-icon {
  display: block;
}

[data-theme='dark'] #theme-switcher .moon-icon {
  display: none;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header p {
  font-size: 1.1rem;
  color: var(--text-color-secondary);
}

/* --- 4. Main Content Layout --- */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.notice {
  background: #fffbeb;
  border-left: 4px solid #f59e0b;
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  color: #92400e;
}

[data-theme='dark'] .notice {
  background: #2d2311;
  border-color: #f59e0b;
  color: #fde68a;
}

.notice strong {
  display: block;
  margin-bottom: 0.5rem;
}

.port-info {
  background: var(--card-bg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.port-info h3 {
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 700;
}

.port-info p {
  margin-bottom: 0.5rem;
  color: var(--text-color-secondary);
}

.port-info code {
  background: var(--bg-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: 'Fira Code', 'Courier New', monospace;
  border: 1px solid var(--border-color);
}

.section {
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-color);
  color: var(--text-color);
  font-weight: 700;
}

.section-subtitle {
  margin-bottom: 1.5rem;
  color: var(--text-color-secondary);
}

/* --- 5. Domain Cards --- */

.domain-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.domain-card {
  background: var(--card-bg);
  padding: 1.5rem;
  margin-bottom: 0;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: row;
  gap: 2rem;
  align-items: flex-start;
}

.domain-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.domain-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

.domain-card-image-wrapper {
  flex-shrink: 0;
  width: 630px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.domain-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.copy-domain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  border: none;
  font-size: 1rem;
}

.copy-domain:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 10px rgba(0, 0, 0, 0.1);
}

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

.copy-icon {
  width: 18px;
  height: 18px;
}

.test-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  color: var(--text-color-secondary);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  font-weight: 500;
  white-space: nowrap;
}

.test-link:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  background: var(--card-bg);
  transform: translateY(-2px);
}

.test-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.domain-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--bg-color);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* 三网优选特殊样式 */
.domain-badge.three-network {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 50%, #c44569 100%);
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(238, 90, 111, 0.4);
  font-weight: 700;
  position: relative;
  animation: pulse-glow 2s ease-in-out infinite;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 4px 12px rgba(238, 90, 111, 0.4);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 6px 20px rgba(238, 90, 111, 0.6);
    transform: scale(1.05);
  }
}

.domain-badge.three-network::before {
  content: '📊';
  margin-right: 4px;
}

.domain-image {
  width: 630px;
  height: 300px;
  max-width: 630px;
  max-height: 300px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: block;
  border: 1px solid var(--border-color);
  object-fit: contain;
}

.domain-note {
  background: var(--bg-color);
  border-left: 4px solid var(--primary-color);
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-color-secondary);
}

.domain-note strong {
  color: var(--text-color);
}

.domain-note ul {
  margin-left: 1.5rem;
  margin-top: 0.5rem;
}

.domain-note-p {
  margin-top: 0.5rem;
}

.domain-note a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
}

.domain-note a:hover {
  color: var(--secondary-color);
  background: rgba(246, 130, 31, 0.1);
  transform: translateY(-1px);
}

.domain-note a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.domain-note a:hover::after {
  transform: scaleX(1);
}

.highlight-text {
  color: var(--primary-color);
}

/* --- 6. Details, API & Resources --- */

.details {
  background: var(--card-bg);
  padding: 1.5rem;
  margin-top: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--primary-color);
  -webkit-user-select: none;
  user-select: none;
  padding: 0.5rem;
  border-radius: 8px;
  transition: background 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.details summary:hover {
  background: var(--bg-color);
}

.details[open] summary {
  background: var(--bg-color);
}

.details pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin-top: 1rem;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.9rem;
  border: 1px solid #374151;
}

[data-theme='dark'] .details pre {
  background: #0f172a;
  border-color: #1f2937;
}

.api-section {
  background: var(--card-bg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.api-section h3 {
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 700;
}

.api-list {
  list-style: none;
}

.api-list li {
  background: var(--bg-color);
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.9rem;
  word-break: break-all;
  color: var(--text-color-secondary);
  transition: all 0.2s ease;
}

.api-list li:hover {
  transform: translateX(4px);
  background: var(--card-bg);
}

.resources-section {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  margin-top: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.resources-section h3 {
  margin-bottom: 1rem;
  color: var(--text-color);
  font-weight: 700;
}

.resources-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.resource-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-color);
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  font-weight: 600;
}

.resource-link:hover {
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  background: var(--card-bg);
}

/* --- 7. Toast & Footer --- */

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--success-color);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  font-size: 1rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(-20px) translateX(10px);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.toast.show {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

.footer {
  background: var(--card-bg);
  padding: 2.5rem 1rem;
  text-align: center;
  margin-top: 3rem;
  border-top: 1px solid var(--border-color);
}

.footer p {
  color: var(--text-color-secondary);
  font-size: 0.9rem;
}

.footer-note {
  margin-top: 0.5rem;
  font-size: 0.85rem;
}

.footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
}

.footer a:hover {
  color: var(--secondary-color);
  background: rgba(246, 130, 31, 0.1);
  transform: translateY(-1px);
}

.footer a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.footer a:hover::after {
  transform: scaleX(1);
}

#visit-count {
  color: var(--primary-color);
  font-weight: 700;
  font-family: 'Fira Code', 'Courier New', monospace;
  transition: color 0.3s ease;
}

@media (max-width: 768px) {
  .header h1 {
    font-size: 2rem;
  }

  .header p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .domain-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .copy-domain {
    font-size: 0.9rem;
    padding: 8px 14px;
  }

  .container {
    padding: 1.5rem 1rem;
  }

  .domain-card {
    flex-direction: column;
    gap: 1rem;
  }

  .domain-card-image-wrapper {
    width: 100%;
    justify-content: center;
  }

  .domain-image {
    width: 100%;
    max-width: 100%;
    height: auto;
  }
}

/* --- 8. Lazy Load & Network Cards --- */

/* 懒加载图片样式 */
.lazy-image {
  filter: blur(20px);
  opacity: 0.6;
  transition: filter 0.8s ease-out, opacity 0.8s ease-out;
}

.lazy-image.loaded {
  filter: blur(0);
  opacity: 1;
}

/* 网络出口信息样式 */

.network-cards-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.network-card {
  background: var(--bg-color);
  border-radius: 10px;
  padding: 1rem;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.network-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.network-card-title {
  font-size: 1rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-loading {
  background: #fbbf24;
  animation: pulse 1.5s ease-in-out infinite;
}

.status-success {
  background: #10b981;
}

.status-error {
  background: #ef4444;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.network-info-content {
  padding: 0.75rem;
  background: var(--card-bg);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.ip-text {
  color: var(--text-color);
  font-weight: 600;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 1rem;
  width: 100%;
}

.location-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.country-text,
.city-text {
  color: var(--text-color-secondary);
  font-size: 0.875rem;
}

.network-info-content .error {
  color: #ef4444;
  font-style: italic;
}

.network-tip {
  width: 100%;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-color-secondary);
  line-height: 1.4;
}

/* --- 9. Responsive Network Cards --- */

@media (max-width: 1200px) {
  .network-cards-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .network-cards-container {
    grid-template-columns: 1fr;
  }

  .network-card {
    padding: 0.875rem;
  }

  .port-info h3 {
    font-size: 1.1rem;
  }
}