* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft Yahei", sans-serif;
}

body {
  background-color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
}

.field-wrap {
  width: 100%;
  max-width: 400px;
  margin-bottom: 1.5rem;
  position: relative;
}

.field-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.soccer-ball {
  position: absolute;
  right: 12%;
  top: -8%;
  width: 18%;
  height: auto;
}

.safe-switch {
  width: 80px;
  height: 30px;
  background: #e0e0e0;
  border-radius: 15px;
  position: relative;
  margin: 0 auto 1rem;
  transition: all 0.3s ease;
}

.safe-switch.active {
  background: linear-gradient(90deg, #4cd964, #2ecc71);
}

.safe-switch::after {
  content: "✓";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2ecc71;
  font-weight: bold;
  font-size: 14px;
  transition: all 0.3s ease;
}

.safe-switch.active::after {
  left: 53px;
}

.safe-text {
  font-size: 20px;
  font-weight: 500;
  color: #000;
  margin-bottom: 2.5rem;
  text-align: center;
}

.enter-btn {
  width: 100%;
  max-width: 300px;
  height: 50px;
  background: linear-gradient(90deg, #4a90e2, #5dade2);
  border: none;
  border-radius: 10px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 4rem;
}

.footer {
  position: absolute;
  bottom: 1.5rem;
  left: 0;
  right: 0;
  text-align: center;
  color: #999;
  font-size: 12px;
  line-height: 1.6;
}

.forbidden {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #000;
  color: #fff;
  padding: 2rem;
  text-align: center;
}