:root {
  --primary: #3498db;
  --secondary: #2c3e50;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --card-bg: #ffffff;
  --shadow: rgba(0, 0, 0, 0.1);
  --header-gradient: linear-gradient(135deg, #1a2980, #26d0ce);
  --table-header: #f8f9fa;
}

* {
  margin: 0;
  padding: 0;
}

body {
  background: #f5f7fa;
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1560px;
  min-width: 1200px;
  padding: 10px;
  margin: 20px auto;
  color: #333;
}

.container *{
  box-sizing: border-box;
}

header {
  text-align: center;
  margin-bottom: 20px;
  padding: 30px 10px;
  border-radius: 16px;
  background: var(--header-gradient);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  color: white;
  position: relative;
  overflow: hidden;
}

h1 {
  font-size: 2.6rem;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.tabs {
  display: flex;
  background: white;
  border-radius: 50px;
  padding: 5px;
  margin: 20px auto 0;
  max-width: 600px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tab-btn {
  flex: 1;
  padding: 12px 20px;
  border: none;
  background: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.tab-btn.active {
  background: var(--primary);
  color: white;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 15px;
  border-bottom: 2px solid #f0f0f0;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--secondary);
  margin-left: 15px;
}

.emoji {
  font-size: 1.6rem;
  background: #f0f7ff;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid #f5f5f5;
}

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

.info-label {
  display: flex;
  align-items: center;
  font-weight: 500;
}

.info-label span {
  margin-right: 10px;
  font-size: 1.2rem;
}

.info-value {
  font-weight: 600;
  color: var(--primary);
  text-align: right;
  max-width: 70%;
  word-break: break-word;
}

.details-section {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px var(--shadow);
  margin-bottom: 20px;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.details-grid .info-value{
  max-width: 78%;
}

.instructions {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px var(--shadow);
  margin-bottom: 20px;
}

.instructions h2 {
  font-size: 1.6rem;
  margin-bottom: 10px;
  color: var(--secondary);
  display: flex;
  align-items: center;
}

.instructions p {
  line-height: 1.8;
  margin: 10px 0;
  color: #555;
}

.highlight {
  background: #f0f7ff;
  padding: 10px 20px;
  border-radius: 10px;
  border-left: 4px solid var(--primary);
  margin: 20px 0;
}

.reference-section {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px var(--shadow);
}

.reference-header {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid #f0f0f0;
}

.reference-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--secondary);
  margin-left: 15px;
}

.reference-tabs {
  display: flex;
  margin-bottom: 20px;
  gap: 10px;
  flex-wrap: wrap;
}

.ref-tab {
  padding: 10px 20px;
  background: #f0f7ff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.ref-tab.active {
  background: var(--primary);
  color: white;
}

.reference-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-radius: 10px;
  overflow: hidden;
}

.reference-table th {
  background: var(--table-header);
  padding: 15px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid #eee;
}

.reference-table td {
  padding: 12px 15px;
  border-bottom: 1px solid #eee;
}

.reference-table tr:nth-child(even) {
  background: #fafafa;
}

.reference-table tr:hover {
  background: #f0f7ff;
}

.reference-content {
  max-height: 500px;
  overflow-y: auto;
  padding: 10px;
}

.browser-llq{
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 15px;
  align-items: center;
}

.browser-llq .browser-icon {
  width: 30px;
  height: 30px;
  margin-right: 4px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
  font-size: 0.9rem;
}

.browser-llq span{
  margin-right: 20px;
}

.chrome {
  background: #4285F4;
}

.firefox {
  background: #FF9500;
}

.safari {
  background: #1E88E5;
}

.edge {
  background: #0078D7;
}

.opera {
  background: #FF1B2D;
}

.ie {
  background: #00A4EF;
}

.footer {
  text-align: center;
  padding: 30px 0;
  color: #777;
  font-size: 0.9rem;
}

@media (max-width: 1400px) {
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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