.ff {
  border: 1px solid red;
  box-sizing: border-box;
}
/* ==布局相关== */
.boxs {
  box-sizing: border-box;
}

.flex-box {
  display: flex;
  flex-direction: row;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-row {
  flex-direction: row;
}

.flex-column,
.flex-y {
  flex-direction: column;
}

.flex-left {
  -webkit-justify-content: flex-start;
  justify-content: flex-start;
}

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

.flex-centers {
  justify-content: center;
  align-items: center;
}

.flex-item-center {
  align-items: center;
}

.flex-item-bottom {
  align-items: flex-end;
}

.flex-item-wrap {
  flex-wrap: wrap;
}

.flex-right {
  justify-content: flex-end;
}

.flex-between {
  justify-content: space-between;
  flex-wrap: wrap;
}

.flex-item-auto {
  flex: 1;
}

.font-b {
  font-weight: bold;
}

.txt-center {
  text-align: center;
}

.txt-left {
  text-align: left;
}
.txt-right {
  text-align: right;
}
.pdin-t20 {
  padding-top: 20px;
}
.pdin-l42 {
  padding-left: 42px;
}
.pdin-tb10 {
  padding-top: 10px;
  padding-bottom: 10px;
}
.pdin-tb20 {
  padding-top: 20px;
  padding-bottom: 20px;
}
.mgin-t2 {
  margin-top: 2px;
}
.mgin-t4 {
  margin-top: 4px;
}
.mgin-t6 {
  margin-top: 6px;
}
.mgin-t8 {
  margin-top: 8px;
}
.mgin-t18 {
  margin-top: 18px;
}
.mgin-t20 {
  margin-top: 20px;
}
.mgin-b20 {
  margin-bottom: 20px;
}
.mgin-l2 {
  margin-left: 2px;
}
.mgin-l10 {
  margin-left: 10px;
}
.mgin-lr18 {
  margin-left: 18px;
  margin-right: 18px;
}
.mgin-r5 {
  margin-right: 5px;
}
.mgin-r10 {
  margin-right: 10px;
}
.mgin-r20 {
  margin-right: 20px;
}

.font-16 {
  font-size: 16px;
}
.font-18 {
  font-size: 18px;
}
.font-20 {
  font-size: 20px;
}
.font-22 {
  font-size: 22px;
}
.font-24 {
  font-size: 24px;
  line-height: 24px;
}
.font-26 {
  font-size: 26px;
}
.font-28 {
  font-size: 28px;
}
.font-30 {
  font-size: 30px;
}
.font-32 {
  font-size: 32px;
}
.font-34 {
  font-size: 34px;
}
.font-36 {
  font-size: 36px;
}
.font-40 {
  font-size: 40px;
  line-height: 40px;
}
.font-42 {
  font-size: 42px;
}

.font-ls6 {
  letter-spacing: 6px;
}
.font-ls4 {
  letter-spacing: 4px;
}
.font-ls2 {
  letter-spacing: 2px;
}
.font-color-1 {
  color: #0255b1;
}
.font-color-2 {
  color: #fff9ee;
}
.font-color-3 {
  color: #002c5f;
}
/* ===========================业务样式============================== */
.isMobile {
  display: none;
}
@media screen and (max-width: 820px) {
  .isMobile {
    display: block;
  }
}
.isPc {
  display: block;
}
@media screen and (max-width: 820px) {
  .isPc {
    display: none;
  }
}
/* 倒计时模块 */
.panel-countdown-box {
  height: 300px;
  background: url("./image/djs.jpg") no-repeat;
  background-size: 100% auto;
}
@media screen and (max-width: 1200px) {
  .panel-countdown-box {
    height: 214px;
    background-size: cover;
    background-position: center center;
  }
}
.panel-countdown-box .panel-left-box {
  width: 295px;
  border-right: 2px solid #d4c3cb;
  padding: 9px 0 0 40px;
}
@media screen and (max-width: 1200px) {
  .panel-countdown-box .panel-left-box {
    display: none;
  }
}
.panel-countdown-box .panel-right-box {
  padding-top: 12px;
}
@media screen and (max-width: 1200px) {
  .panel-countdown-box .panel-right-box {
    padding: 0px;
  }
}
.panel-countdown-box .panel-right-box .panel-time-box {
  margin-left: 16px;
  margin-right: 16px;
}
@media screen and (max-width: 1200px) {
  .panel-countdown-box .panel-right-box .panel-time-box {
    margin-left: 2px;
    margin-right: 2px;
    margin-top: 0px;
  }
}
.panel-countdown-box .panel-right-box .panel-time {
  background: url("./image/time_bg.png") no-repeat #0255b1;
  background-position: center;
  font-size: 95px;
  text-align: center;
  width: 77px;
  height: 117px;
  font-family: impact;
  line-height: 117px;
  font-weight: bold;
  background-size: 100%;
  border-radius: 20px;
  margin: 0 2.5px;
  color: white;
}
@media screen and (max-width: 1200px) {
  .panel-countdown-box .panel-right-box .panel-time {
    width: 30px;
    height: 40px;
    line-height: 40px;
    font-size: 32px;
    border-radius: 10px;
    font-weight: normal;
    margin: 0 2px;
  }
}
.panel-countdown-box .panel-right-box .text {
  font-size: 20px;
}
@media screen and (max-width: 1200px) {
  .panel-countdown-box .panel-right-box .text {
    font-size: 18px;
  }
}
/* 报名入口模块 */
.panel-enroll-box {
  padding: 20px 0px;
}
@media screen and (max-width: 1200px) {
  .panel-enroll-box {
    padding: 10px 0px;
  }
}
.panel-enroll-box .panel-left-box {
  width: 32.45%;
  margin-right: 20px;
  position: relative;
}
@media screen and (max-width: 1200px) {
  .panel-enroll-box .panel-left-box {
    width: 100%;
    margin-right: 0px;
    margin-bottom: 10px;
  }
}
.panel-enroll-box .panel-left-box img {
  width: 100%;
  display: block;
}
.panel-enroll-box .panel-left-box .btn-enroll {
  position: absolute;
  bottom: 50px;
  left: calc(50% - 110px);
  width: 220px;
}
@media screen and (max-width: 1200px) {
  .panel-enroll-box .panel-left-box .btn-enroll {
    width: 180px;
    left: calc(50% - 90px);
  }
}
.panel-enroll-box .panel-right-box {
  width: 48.6%;
  border-radius: 0px;
  margin-bottom: 20px;
  border: 1px solid white;
}
@media screen and (max-width: 1200px) {
  .panel-enroll-box .panel-right-box {
    width: 48.5%;
    margin-bottom: 10px;
  }
}
.panel-enroll-box .panel-right-box img {
  width: 100%;
  display: block;
}
/* 定义向下移动淡出的动画 */
@keyframes fadeIn {
  /* 动画开始状态 */
  0% {
    opacity: 0; /* 完全不透明 */
    transform: translateY(-20px); /* 初始位置，不移动 */
  }

  /* 动画结束状态 */
  100% {
    opacity: 1; /* 完全透明 */
    transform: translateY(0); /* 向下移动20px */
  }
}
@keyframes fadeOut {
  /* 动画开始状态 */
  0% {
    opacity: 1; /* 完全不透明 */
    transform: translateY(0); /* 初始位置，不移动 */
  }

  /* 动画结束状态 */
  100% {
    opacity: 0; /* 完全透明 */
    transform: translateY(20px); /* 向下移动20px */
  }
}

/* 应用动画的类 */
.fade-in {
  /* 应用动画，设置时长为0.5秒，线性过渡 */
  animation: fadeIn 0.2s linear forwards;
}
/* 应用动画的类 */
.fade-out {
  /* 应用动画，设置时长为0.5秒，线性过渡 */
  animation: fadeOut 0.2s linear forwards;
}