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

body {
  height: 100vh;
  background: linear-gradient(135deg, #4facfe, #6a11cb, #8e2de2, #4facfe);
  background-size: 400% 400%;
  animation: gradientShift 8s ease infinite;
  overflow: hidden;
  position: relative;
  font-family: 'Arial', 'Microsoft YaHei', sans-serif;
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* 文字容器 */
.container {
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 10;
  pointer-events: none;
}

/* 流动渐变大字 */
.flow-text {
  font-size: 72px;
  font-weight: 900;
  letter-spacing: 8px;
  text-transform: uppercase;
  background: linear-gradient(90deg, #cccccc, #ffffff, #aaaaaa, #ffffff, #cccccc);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: textFlow 4s linear infinite;
  text-shadow: 0 2px 20px rgba(255, 255, 255, 0.1);
}

/* 副标题 */
.sub-text {
  margin-top: 20px;
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 6px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
}

/* 文字流动动画 */
@keyframes textFlow {
  0% {
    background-position: 0% center;
  }
  100% {
    background-position: -200% center;
  }
}

/* 媒体按钮组 */
.media-buttons {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 30px;
  z-index: 10;
}

.media-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 120px;
  height: 120px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  cursor: pointer;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.9);
  transition: all 0.3s ease;
}

.media-btn svg {
  width: 40px;
  height: 40px;
}

.media-btn span {
  font-size: 16px;
  letter-spacing: 2px;
  font-weight: 500;
}

.media-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* 跳动箭头 */
.bounce-arrow {
  position: absolute;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s ease;
  animation: arrowBounce 2s ease-in-out infinite;
  text-decoration: none;
}

.bounce-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateX(-50%) scale(1.1);
}

.bounce-arrow svg {
  transition: transform 0.3s ease;
}

.bounce-arrow:hover svg {
  transform: translateY(4px);
}

/* 箭头跳动动画 */
@keyframes arrowBounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(15px);
  }
}

/* 波浪网格画布 */
#waveCanvas {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40vh;
  pointer-events: none;
  z-index: 5;
}

/* 响应式适配 - 手机 */
@media (max-width: 768px) {
  .flow-text {
    font-size: 40px;
    letter-spacing: 4px;
  }

  .sub-text {
    font-size: 14px;
    letter-spacing: 4px;
  }

  .media-buttons {
    gap: 15px;
    top: 42%;
  }

  .media-btn {
    width: 80px;
    height: 80px;
    border-radius: 15px;
  }

  .media-btn svg {
    width: 28px;
    height: 28px;
  }

  .media-btn span {
    font-size: 12px;
  }

  .bounce-arrow {
    bottom: 15%;
    width: 50px;
    height: 50px;
  }
}

/* 响应式适配 - 平板 */
@media (min-width: 769px) and (max-width: 1024px) {
  .flow-text {
    font-size: 56px;
  }

  .media-btn {
    width: 100px;
    height: 100px;
  }

  .media-btn svg {
    width: 34px;
    height: 34px;
  }
}

/* 响应式适配 - 大屏幕 */
@media (min-width: 1440px) {
  .media-btn {
    width: 140px;
    height: 140px;
  }

  .media-btn svg {
    width: 48px;
    height: 48px;
  }

  .media-btn span {
    font-size: 18px;
  }
}