/* ============================================
   暗网数字取证与电子证据溯源平台 - 全站样式
   高科技实验室 + 犯罪现场还原视觉风格
   ============================================ */

/* CSS变量定义 */
:root {
  --primary: #673AB7;
  --primary-dark: #512DA8;
  --primary-light: #9575CD;
  --accent-yellow: #FFC107;
  --accent-blue: #00BCD4;
  --bg-dark: #121212;
  --card-bg: #212121;
  --text-primary: #E0E0E0;
  --text-secondary: #BDBDBD;
  --text-muted: #9E9E9E;
  --border-color: #333333;
  --success: #4CAF50;
  --danger: #F44336;
  --warning: #FF9800;
  --scanline-opacity: 0.03;
  --font-mono: 'Courier New', 'Source Code Pro', monospace;
  --font-sans: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', sans-serif;
  --max-width: 1200px;
  --header-height: 70px;
}

/* 全局重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 扫描线纹理背景 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(103, 58, 183, var(--scanline-opacity)) 2px,
    rgba(103, 58, 183, var(--scanline-opacity)) 4px
  );
}

/* 链接样式 */
a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-yellow);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   头部导航
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--primary-dark);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.site-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-light);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo::before {
  content: '⟨/⟩';
  color: var(--accent-yellow);
  font-size: 1.2rem;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-main a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--accent-yellow);
  border-bottom-color: var(--accent-yellow);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* ============================================
   主体内容区
   ============================================ */
.main-content {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   Hero区域
   ============================================ */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a0a2e 50%, var(--bg-dark) 100%);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(103, 58, 183, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 188, 212, 0.1) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 30px rgba(103, 58, 183, 0.5);
  line-height: 1.3;
}

.hero-title .highlight {
  color: var(--accent-yellow);
  position: relative;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-family: var(--font-mono);
}

.hero-cta {
  display: inline-flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* 数据流动画背景 */
.data-stream {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  opacity: 0.15;
}

.data-stream span {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary-light);
  animation: dataFall linear infinite;
  white-space: nowrap;
}

@keyframes dataFall {
  0% { transform: translateY(-100%); opacity: 1; }
  100% { transform: translateY(100vh); opacity: 0; }
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(103, 58, 183, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(103, 58, 183, 0.5);
  color: #FFFFFF;
}

.btn-outline {
  background: transparent;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.btn-outline:hover {
  background: var(--accent-blue);
  color: var(--bg-dark);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-yellow) 0%, #FFA000 100%);
  color: var(--bg-dark);
  font-weight: 700;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

/* ============================================
   卡片组件
   ============================================ */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-blue));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(103, 58, 183, 0.2);
}

.card:hover::before {
  opacity: 1;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-secondary);
  line-height: 1.8;
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

/* ============================================
   栅格布局
   ============================================ */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   区块标题
   ============================================ */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-yellow));
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 1rem auto 0;
}

/* ============================================
   区块链追踪器组件
   ============================================ */
.tracker-panel {
  background: var(--card-bg);
  border: 1px solid var(--primary-dark);
  border-radius: 8px;
  padding: 2rem;
  position: relative;
}

.tracker-panel::after {
  content: 'BLOCKCHAIN TRACKER';
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--primary);
  color: #FFF;
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}

.tracker-input {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.tracker-input input {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.tracker-input input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(103, 58, 183, 0.3);
}

.tracker-nodes {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  min-height: 80px;
}

.tracker-node {
  background: var(--primary-dark);
  color: var(--accent-yellow);
  padding: 0.3rem 0.8rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--primary);
}

.tracker-arrow {
  color: var(--accent-blue);
  font-size: 1.2rem;
}

/* ============================================
   沙箱分析器组件
   ============================================ */
.sandbox-panel {
  background: var(--card-bg);
  border: 1px solid var(--accent-blue);
  border-radius: 8px;
  padding: 2rem;
  position: relative;
}

.sandbox-panel::after {
  content: 'SANDBOX ANALYZER';
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--accent-blue);
  color: var(--bg-dark);
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  font-weight: 700;
}

.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 3rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.upload-zone:hover {
  border-color: var(--accent-blue);
  background: rgba(0, 188, 212, 0.05);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* ============================================
   哈希校验工具组件
   ============================================ */
.hash-panel {
  background: var(--card-bg);
  border: 1px solid var(--accent-yellow);
  border-radius: 8px;
  padding: 2rem;
  position: relative;
}

.hash-panel::after {
  content: 'HASH VERIFIER';
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--accent-yellow);
  color: var(--bg-dark);
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  font-weight: 700;
}

.hash-output {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--success);
  word-break: break-all;
  margin-top: 1rem;
}

/* ============================================
   时间线组件
   ============================================ */
.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--accent-blue));
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 1.5rem;
}

.timeline-item:nth-child(odd) {
  margin-left: 0;
  padding-right: 3rem;
  text-align: right;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding-left: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 2rem;
  width: 12px;
  height: 12px;
  background: var(--accent-yellow);
  border-radius: 50%;
  border: 2px solid var(--primary);
}

.timeline-item:nth-child(odd)::before {
  right: -6px;
}

.timeline-item:nth-child(even)::before {
  left: -6px;
}

/* ============================================
   统计数字
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent-yellow);
  font-family: var(--font-mono);
}

.stat-label {
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
  background: #0a0a0a;
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 1rem;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--accent-yellow);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ============================================
   面包屑导航
   ============================================ */
.breadcrumb {
  padding: 1rem 0;
  margin-top: var(--header-height);
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb span {
  color: var(--text-muted);
  margin: 0 0.5rem;
}

.breadcrumb .current {
  color: var(--accent-yellow);
}

/* ============================================
   内页标题区
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, #1a0a2e 0%, var(--bg-dark) 100%);
  padding: 4rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.page-hero-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   内容区域
   ============================================ */
.content-section {
  padding: 3rem 0;
}

.content-block {
  margin-bottom: 3rem;
}

.content-block h2 {
  font-size: 1.8rem;
  color: #FFFFFF;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--primary);
}

.content-block h3 {
  font-size: 1.3rem;
  color: var(--primary-light);
  margin-bottom: 0.8rem;
}

.content-block p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.9;
}

.content-block ul,
.content-block ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.content-block li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

/* FAQ组件 */
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.2rem 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

.faq-question:hover {
  background: rgba(103, 58, 183, 0.1);
}

.faq-answer {
  padding: 0 1.5rem 1.2rem;
  color: var(--text-secondary);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ============================================
   搜索页
   ============================================ */
.search-container {
  max-width: 700px;
  margin: 3rem auto;
}

.search-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.search-box input {
  flex: 1;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  padding: 1rem 1.5rem;
  color: var(--text-primary);
  font-size: 1rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
}

.search-results {
  list-style: none;
}

.search-result-item {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.search-result-item h3 {
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

.search-result-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============================================
   404页面
   ============================================ */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
}

.error-code {
  font-size: 8rem;
  font-weight: 900;
  color: var(--primary);
  font-family: var(--font-mono);
  text-shadow: 0 0 50px rgba(103, 58, 183, 0.5);
}

.error-message {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin: 1rem 0 2rem;
}

/* ============================================
   APP下载页
   ============================================ */
.app-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
}

.app-features {
  list-style: none;
}

.app-features li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.app-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 1.2rem;
}

/* ============================================
   指纹扫描动画
   ============================================ */
.fingerprint-scan {
  width: 120px;
  height: 120px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  position: relative;
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fingerprint-scan::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--accent-blue);
  animation: scanPulse 2s ease-in-out infinite;
}

@keyframes scanPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ============================================
   数据解密动画
   ============================================ */
.decrypt-animation {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--primary-light);
  background: var(--bg-dark);
  padding: 1rem;
  border-radius: 4px;
  overflow: hidden;
  white-space: pre;
  animation: decrypt 3s steps(30) infinite;
}

@keyframes decrypt {
  0% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-main {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(18, 18, 18, 0.98);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-main.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .app-showcase {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 3rem !important;
    padding-right: 1rem !important;
    text-align: left !important;
    margin-left: 0 !important;
  }

  .timeline-item::before {
    left: 14px !important;
    right: auto !important;
  }

  .tracker-input {
    flex-direction: column;
  }

  .page-hero-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.6rem;
  }

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

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2rem;
  }
}

/* ============================================
   Schema标记辅助
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   合规页面样式
   ============================================ */
.compliance-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.compliance-content h1 {
  font-size: 2rem;
  color: #FFFFFF;
  margin-bottom: 2rem;
  text-align: center;
}

.compliance-content h2 {
  font-size: 1.4rem;
  color: var(--primary-light);
  margin: 2rem 0 1rem;
}

.compliance-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.9;
}

/* 内链网络样式 */
.related-links {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  margin-top: 3rem;
}

.related-links h3 {
  color: #FFFFFF;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.related-links ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.related-links li a {
  color: var(--accent-blue);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.related-links li a::before {
  content: '→';
  color: var(--primary-light);
}

@media (max-width: 768px) {
  .related-links ul {
    grid-template-columns: 1fr;
  }
}