* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  box-sizing: border-box;
}
body > .container {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f0f8ff;
  min-height: 100vh;
}
body > .container > .avatar {
  display: flex;
  justify-content: center;
  margin-top: 60px;
}
body > .container > .avatar > .img {
  width: 96px;
  height: 96px;
}
body > .container > .avatar > .img img {
  width: 100%;
  border-radius: 50%;
  border: solid 4px #328df2;
}
body > .container > .title {
  text-align: center;
  font-size: 20px;
  color: #03267d;
  margin-top: 30px;
  font-weight: 800;
}
body > .container > .title_img {
  width: 100%;
  margin-top: 20px;
  position: relative;
}
body > .container > .title_img img {
  width: 100%;
  display: block;
  margin: 0 auto;
}
body > .container > .title_img p {
  white-space: nowrap;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
body > .container > .banner_back {
  width: 100%;
  margin-top: 30px;
  position: relative;
}
body > .container > .banner_back img {
  width: 100%;
  margin: 0 auto;
  display: block;
}
body > .container > .banner_back > .pos {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
body > .container > .banner_back > .pos p {
  white-space: nowrap;
  padding: 6px 0;
  color: #03267d;
  font-weight: 700;
  font-size: 18px;
}
body > .container > .text {
  margin-top: 30px;
  background: rgba(255, 255, 255, 0.7);
  /* 半透明背景 */
  backdrop-filter: blur(10px);
  /* 模糊效果，数值越大越模糊 */
  border-radius: 10px;
  /* 圆角，可选 */
  border: 1px solid rgba(255, 255, 255, 0.3);
  /* 边框，增强玻璃感 */
  padding: 20px;
}
body > .container > .text p {
  padding: 6px 0;
}
body > .container > .input {
  margin-top: 30px;
  width: 90%;
  margin: 0 auto;
}
body > .container > .input input {
  width: 100%;
  margin: 30px auto;
  display: block;
  padding: 14px 16px;
  border-radius: 20px;
  border: 2px solid #4E93EA;
}
body > .container > .input input::placeholder {
  text-align: center;
}
body > .container > .input input:focus {
  border: 2px solid gold;
  outline: none;
}
body > .container .btn-sentinel {
  margin-top: 30px;
  height: 1px;
  /* 可以是 0，也可以是按钮的外边距，用 1px 最稳妥 */
}
body > .container > .btn {
  width: 90%;
  margin: 0 auto;
  padding: 10px 6px;
  border-radius: 20px;
  background-color: #1a6bff;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  border: 2px solid #80b3ff;
  text-align: center;
}
body > .container > .banner {
  width: 100%;
}
body > .container > .banner img {
  width: 100%;
  display: block;
  border-radius: 10px;
  border: solid 2px #fff;
}
body > .container > .fixed {
  position: fixed;
  bottom: 10px;
  left: 0;
  right: 0;
  margin: 0 auto;
  max-width: 740px;
  width: 96%;
  background-color: #00c896;
}
body > .container > footer {
  font-size: 12px;
  color: rgba(122, 122, 122, 0.7);
  text-align: center;
  margin-top: 20px;
  padding-top: 20px;
  padding-bottom: 10px;
  border-top: 1px solid rgba(0, 255, 255, 0.2);
}
.two_setup {
  display: none;
}
.three_setup {
  display: none;
}
@media (max-width: 460px) {
  html > body > .container > .avatar {
    margin-top: 30px;
  }
  html > body > .container > .text p {
    font-size: 14px;
  }
  html > body > .container > .btn {
    font-size: 15px;
  }
}