* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f1f2f3;
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1600px;
  min-width: 1240px;
  margin: 25px auto;
  color: #333;
  display: flex;
  flex-direction: column;
}

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

/* 头部样式 */
header {
  position: relative;
  margin-bottom: 20px;
  text-align: center;
}

header h1 {
  font-size: 32px;
  margin-bottom: 5px;
}

header p {
  font-size: 16px;
  line-height: 1.6;
}

.tool-container {
  background: white;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 25px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.input-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.url-input-container {
  flex: 1;
  min-width: 300px;
  position: relative;
}

#urlInput {
  width: 100%;
  padding: 18px 25px;
  font-size: 1.15rem;
  border: 2px solid #e0e6ed;
  border-radius: 10px;
  transition: all 0.3s ease;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}

#urlInput:focus {
  border-color: #3498db;
  outline: none;
  box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.2), inset 0 2px 5px rgba(0, 0, 0, 0.05);
}

.btn-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  padding: 16px 30px;
  font-size: 1.15rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: white;
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2980b9, #2573a7);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.4);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
  box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #27ae60, #219d55);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(46, 204, 113, 0.4);
}

.btn-tertiary {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

.btn-tertiary:hover {
  background: linear-gradient(135deg, #c0392b, #a93226);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(231, 76, 60, 0.4);
}

.result-section {
  display: none;
  background: linear-gradient(135deg, #f8f9fa, #f1f2f3);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid #e0e6ed;
  margin-top: 20px;
}

.result-title {
  font-size: 1.4rem;
  color: #2c3e50;
  margin-bottom: 20px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.result-card {
  background: white;
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform 0.3s ease;
}

.result-card h3 {
  font-size: 1.2rem;
  color: #7f8c8d;
  margin-bottom: 15px;
}

.result-value {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.support-value {
  color: #27ae60;
}

.not-support-value {
  color: #e74c3c;
}

.result-desc {
  font-size: 1rem;
  color: #95a5a6;
}

.additional-info {
  background: white;
  border-radius: 12px;
  padding: 15px;
}

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

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-top: 10px;
  font-size: 0.95rem;
}

.info-item {
  display: flex;
  align-items: center;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 10px;
  border: 1px solid #eee;
}

.info-label {
  font-weight: 600;
  color: #7a7d80;
  margin-right: 5px;
}

.info-value {
  color: #3498db;
  font-weight: 500;
}

.info-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 25px;
  margin-bottom: 25px;
}

.info-section {
  background: white;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.info-section h2 {
  font-size: 1.4rem;
  color: #2c3e50;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f1f2f3;
  display: flex;
  align-items: center;
  gap: 12px;
}

.info-section p {
  font-size: 1rem;
  line-height: 1.8;
  color: #34495e;
  margin-top: 15px;
}

.info-highlight {
  background: linear-gradient(135deg, #f8f9fa, #ecf0f1);
  padding: 15px;
  border-radius: 12px;
  margin-top: 15px;
  border-left: 5px solid #3498db;
}

.info-highlight p {
  margin: 0;
  font-size: 1.1rem;
  color: #2c3e50;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

ul {
  margin-left: 30px;
}

li {
  margin-bottom: 12px;
  font-size: 1.1rem;
  color: #34495e;
}

footer {
  text-align: center;
  color: #7f8c8d;
  font-size: 1rem;
  padding-top: 10px;
}


.notice {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(44, 62, 80, 0.95);
  color: white;
  padding: 14px 35px;
  border-radius: 60px;
  font-size: 1rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  display: none;
  z-index: 1000;
  animation: fadeInOut 3s ease;
}

@keyframes fadeInOut {

  0%,
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }

  10%,
  90% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.loading {
  display: none;
  text-align: center;
  padding: 40px 0;
}

.loading-content {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 6px solid #f3f3f3;
  border-top: 6px solid #3498db;
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-size: 1.3rem;
  color: #2c3e50;
  font-weight: 500;
}

.stats-container {
  background: linear-gradient(135deg, #3498db, #2c3e50);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 25px;
  color: white;
  text-align: center;
}

.stats-title {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
}

.stat-item {
  background: rgba(255, 255, 255, 0.15);
  padding: 25px 15px;
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

.progress-container {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  margin-top: 15px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: white;
  border-radius: 5px;
}