html, body {
  /* font-family: "Dongle", sans-serif; */
  margin: 0;
  padding: 0;
}

/* :root {
  --color-bg1: #FFE4FE; 背景渐变颜色1
  --color-bg2: #3584FB; 
  --color1: 0, 102, 255; 
  --color2: 140, 100, 255; 
  --color3: 140, 100, 255; 
  --color4: 97, 190, 251; 
  --color5: 53, 132, 251; 
  --color-interactive: 140, 100, 255; 
  --circle-size: 200%;
  --blending: hard-light;
}  */

:root {
  --color-bg1: #FFE4FE; /* 背景渐变颜色1 */
  --color-bg2: #3584FB; /* 背景渐变颜色2 */
  --color1: 229, 239, 255; /* 渐变颜色1 */
  --color2: 248, 245, 255; /* 渐变颜色2 */
  --color3: 140, 100, 255; /* 渐变颜色3 */
  --color4: 97, 190, 251; /* 渐变颜色4 */
  --color5: 158, 187, 232; /* 渐变颜色5 */
  --color-interactive: 140, 100, 255; /* 交互颜色 */
  --circle-size: 200%;
  --blending: hard-light;
}

@keyframes moveInCircle {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes moveVertical {
  0% {
    transform: translateY(-50%);
  }
  50% {
    transform: translateY(50%);
  }
  100% {
    transform: translateY(-50%);
  }
}
@keyframes moveHorizontal {
  0% {
    transform: translateX(-50%) translateY(-10%);
  }
  50% {
    transform: translateX(50%) translateY(10%);
  }
  100% {
    transform: translateX(-50%) translateY(-10%);
  }
}
.gradient-bg {
  /* width: 100vw; */
  height: auto;
  position: relative;
  overflow: hidden;
  background: linear-gradient(40deg, var(--color-bg1), var(--color-bg2));
  top: 0;
  left: 0;
}
.gradient-bg svg {
  display: none;
}
.gradient-bg .gradients-container {
  filter: url(#goo) blur(40px);
  width: 100%;
  height: 100vh;
  position: absolute;
}
.gradient-bg .g1 {
  position: absolute;
  background: radial-gradient(circle at center, rgba(var(--color1), 0.8) 0, rgba(var(--color1), 0) 50%) no-repeat;
  mix-blend-mode: var(--blending);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2);
  left: calc(50% - var(--circle-size) / 2);
  transform-origin: center center;
  animation: moveVertical 30s ease infinite; /* 修改速度 */
  opacity: 1;
}
.gradient-bg .g2 {
  position: absolute;
  background: radial-gradient(circle at center, rgba(var(--color2), 0.8) 0, rgba(var(--color2), 0) 50%) no-repeat;
  mix-blend-mode: var(--blending);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2);
  left: calc(50% - var(--circle-size) / 2);
  transform-origin: calc(50% - 400px);
  animation: moveInCircle 20s reverse infinite;/* 修改速度 */
  opacity: 1;
}
.gradient-bg .g3 {
  position: absolute;
  background: radial-gradient(circle at center, rgba(var(--color3), 0.8) 0, rgba(var(--color3), 0) 50%) no-repeat;
  mix-blend-mode: var(--blending);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2 + 200px);
  left: calc(50% - var(--circle-size) / 2 - 500px);
  transform-origin: calc(50% + 400px);
  animation: moveInCircle 40s linear infinite;/* 修改速度 */
  opacity: 1;
}
.gradient-bg .g4 {
  position: absolute;
  background: radial-gradient(circle at center, rgba(var(--color4), 0.8) 0, rgba(var(--color4), 0) 50%) no-repeat;
  mix-blend-mode: var(--blending);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2);
  left: calc(50% - var(--circle-size) / 2);
  transform-origin: calc(50% - 200px);
  animation: moveHorizontal 40s ease infinite;/* 修改速度 */
  opacity: 0.7;
}
.gradient-bg .g5 {
  position: absolute;
  background: radial-gradient(circle at center, rgba(var(--color5), 0.8) 0, rgba(var(--color5), 0) 50%) no-repeat;
  mix-blend-mode: var(--blending);
  width: calc(var(--circle-size) * 2);
  height: calc(var(--circle-size) * 2);
  top: calc(50% - var(--circle-size));
  left: calc(50% - var(--circle-size));
  transform-origin: calc(50% - 800px) calc(50% + 200px);
  animation: moveInCircle 20s ease infinite;/* 修改速度 */
  opacity: 1;
}
.gradient-bg .interactive {
  position: absolute;
  background: radial-gradient(circle at center, rgba(var(--color-interactive), 0.8) 0, rgba(var(--color-interactive), 0) 50%) no-repeat;
  mix-blend-mode: var(--blending);
  width: 100%;
  height: 100%;
  top: -50%;
  left: -50%;
  opacity: 0.7;
}