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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f5f5f5;
}

.k8j4m2p9x {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  animation: slideDown 0.5s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.w5n7q3t8r {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.k8j4m2p9x .w5n7q3t8r {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.b9d2f6h4k {
  font-size: 28px;
  font-weight: 700;
}

.b9d2f6h4k a {
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.b9d2f6h4k a:hover {
  transform: scale(1.05);
  text-shadow: 0 0 20px rgba(255,255,255,0.5);
}

.p3x7z1m5n {
  display: flex;
  gap: 25px;
  align-items: center;
}

.p3x7z1m5n a {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.3s ease;
  position: relative;
  padding: 5px 0;
}

.p3x7z1m5n a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #ff6b6b;
  transition: width 0.3s ease;
}

.p3x7z1m5n a:hover::after {
  width: 100%;
}

.p3x7z1m5n a:hover {
  color: #ff6b6b;
  transform: translateY(-2px);
}

.q6r8t4v2x {
  max-width: 1200px;
  margin: 30px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 30px;
}

.a7c9e3g5j {
  margin-bottom: 30px;
}

.m2n4p8s1w {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.f4h6k2m8q {
  background: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: all 0.4s ease;
  animation: fadeInUp 0.6s ease;
}

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

.f4h6k2m8q:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.x3y7z9b5d {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.f4h6k2m8q:hover .x3y7z9b5d {
  transform: scale(1.1);
}

.l6n2p4r8t {
  padding: 25px;
}

.v1w3x5z7b {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1a1a2e;
}

.c4d6f8h2j {
  color: #666;
  margin-bottom: 20px;
  line-height: 1.8;
}

.k3m7n1p5r {
  display: inline-block;
  padding: 12px 28px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 25px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.k3m7n1p5r:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.s5t7v9x1z {
  background: #fff;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  animation: fadeIn 0.8s ease;
}

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

.y4z6b8d2f {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 25px;
  color: #1a1a2e;
  border-left: 4px solid #667eea;
  padding-left: 15px;
}

.g3h5j7k9m {
  display: grid;
  gap: 20px;
}

.n2p4r6t8v {
  padding: 20px;
  border: 1px solid #eee;
  border-radius: 10px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.n2p4r6t8v:hover {
  background: #f9f9f9;
  border-color: #667eea;
  transform: translateX(5px);
}

.w1x3y5z7a {
  display: inline-block;
  color: #999;
  font-size: 14px;
  margin-bottom: 10px;
}

.b4c6d8f2g {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.b4c6d8f2g a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.b4c6d8f2g a:hover {
  color: #667eea;
}

.h5j7k9m1n {
  color: #666;
  line-height: 1.8;
}

.p7q9s1t3v {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.x2y4z6b8d {
  background: #fff;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  animation: slideInRight 0.6s ease;
}

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

.f3g5h7j9k {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #1a1a2e;
  border-bottom: 2px solid #667eea;
  padding-bottom: 10px;
}

.l4m6n8p2q {
  list-style: none;
}

.l4m6n8p2q li {
  margin-bottom: 12px;
  padding-left: 20px;
  position: relative;
}

.l4m6n8p2q li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
}

.l4m6n8p2q a {
  color: #555;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.l4m6n8p2q a:hover {
  color: #667eea;
  transform: translateX(5px);
}

.r5s7t9v1x {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #fff;
  padding: 40px 20px;
  margin-top: 50px;
  text-align: center;
}

.z3a5b7c9d {
  margin-bottom: 15px;
  font-size: 14px;
  opacity: 0.9;
}

.r5s7t9v1x .p3x7z1m5n {
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.r5s7t9v1x .p3x7z1m5n a {
  font-size: 14px;
  opacity: 0.9;
}

.e4f6g8h2j {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.e4f6g8h2j.visible {
  opacity: 1;
  visibility: visible;
}

.e4f6g8h2j:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6);
}

.j2k4m6n8p {
  padding: 15px 0;
  font-size: 14px;
  color: #666;
}

.j2k4m6n8p a {
  color: #667eea;
  text-decoration: none;
  margin: 0 5px;
}

.j2k4m6n8p a:hover {
  text-decoration: underline;
}

.t5u7v9w1x {
  max-width: 900px;
  margin: 0 auto;
}

.o3p5q7r9s {
  background: #fff;
  border-radius: 15px;
  padding: 40px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  animation: fadeInUp 0.6s ease;
}

.o3p5q7r9s h2 {
  font-size: 32px;
  color: #1a1a2e;
  margin-bottom: 20px;
  border-left: 5px solid #667eea;
  padding-left: 20px;
}

.o3p5q7r9s h3 {
  font-size: 24px;
  color: #333;
  margin: 30px 0 15px;
}

.o3p5q7r9s p {
  color: #666;
  line-height: 2;
  margin-bottom: 15px;
}

.o3p5q7r9s img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 10px;
  margin: 20px 0;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.o3p5q7r9s ul, .o3p5q7r9s ol {
  margin: 15px 0 15px 30px;
  color: #666;
  line-height: 2;
}

.o3p5q7r9s blockquote {
  border-left: 4px solid #667eea;
  padding-left: 20px;
  margin: 20px 0;
  color: #555;
  font-style: italic;
  background: #f9f9f9;
  padding: 15px 20px;
  border-radius: 5px;
}

@media (max-width: 768px) {
  .k8j4m2p9x .w5n7q3t8r {
    flex-direction: column;
    gap: 15px;
  }

  .p3x7z1m5n {
    flex-wrap: wrap;
    justify-content: center;
  }

  .q6r8t4v2x {
    grid-template-columns: 1fr;
  }

  .m2n4p8s1w {
    grid-template-columns: 1fr;
  }

  .b9d2f6h4k {
    font-size: 24px;
  }

  .p3x7z1m5n a {
    font-size: 14px;
  }
}

.lazy-load {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.lazy-load.loaded {
  opacity: 1;
}