body{ background-color:#888888; }
.about-banner{ width:100%; height:450px; display:flex; flex-direction:column; background-position:center; background-size:cover; background-repeat: no-repeat;}
.aboutbox{ width:100%; display:flex; flex-direction:column; }
.about-one{ width:100%; display:flex; }

.abone-banner {
  width: 100%;
  min-height: 560px;
  box-sizing: border-box;
  padding: 65px 0;
  color: #ffffff;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.abone-banner__img-wrap {
  width: 38%;
  overflow: hidden;
}
.abone-banner__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.abone-banner__content {
  flex: 1;
  padding-left: 140px;
  position: relative;
}
.abone-banner__main-title {
  position: absolute;
  top: -200px;
  left: -80px;
}
.abone-banner__main-title h2 {
  font-size: var(--font-h1);
  font-weight: 600;
  letter-spacing: 2px;
  margin: 0 0 12px 0;
  font-style: italic;
}
.abone-banner__main-title p {
  font-size: var(--font-h2);
  margin: 0;
  font-weight: 600;
  letter-spacing:2px;
}
.abone-banner__feature-box {
  position: absolute;
  left: 0;
  top: 30px;
  border: 1px solid #fff;
  padding: 30px 25px 30px 80px;
  min-width: 350px;
  min-height: 390px;
  transform: translateX(-18%);
}
.abone-banner__feature-box p {
  font-size: var(--font-t1);
  letter-spacing: 1.5px;
  margin: 20px 0;
}
.abone-banner__desc {
  margin-left: 200px;
  line-height: 2.3;
  font-size: 16px;
  max-width: 530px;
  text-align: justify;
}

/**/
.abtwo-banner {
  width: 100%;
  min-height: 520px;
  padding: 60px 0px 60px 13%;
  color: #ffffff;
  display: flex;
  gap:50px; 
}
.abtwo-banner__text {
  flex: 1;
  padding-left: 80px;
  padding-top: 80px;
  position: relative;
}
.abtwo-banner__quote img{
  width:80px;
}

.abtwo-banner__title {
  font-size: var(--font-h2);
  font-weight: 600;
  margin: 0 0 35px 0;
  padding-top: 20px;
  line-height: 1.3;
}
.abtwo-banner__desc {
  font-size: var(--font-normal);
  line-height: 2.2;
  text-align: justify;
}
.abtwo-banner__desc p {
  margin: 0 0 18px 0;
}
.abtwo-banner__desc p:last-child {
  margin-bottom: 0;
}
.abtwo-banner__img-wrap {
  width: 45%;
  overflow: hidden;
  flex-shrink: 0;
}
.abtwo-banner__img-wrap img {
  width: 100%;
  object-fit: cover;
  display: block;
}

/*-- --*/
.abthree-stats {
  width: 100%;
  min-height: 230px;
  box-sizing: border-box;
  padding: 45px 8%;
  background-color: #2b2b2b;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 20px;
}
.abthree-stats__item {
  flex: 1;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}
.abthree-stats__item:last-child {
  border-right: none;
}
.abthree-stats__num {
  font-size:var(--font-h1);
  font-weight: bold;
  line-height: 1;
  margin-bottom: 15px;
}
.abthree-stats__num-sup {
  font-size: var(--font-h4);
  font-weight: normal;
  margin-left: 4px;
  vertical-align: super;
}
.abthree-stats__label {
  font-size: var(--font-h4);
  opacity: 0.92;
  line-height: 1.2;
}

/*-- --*/
.abfour-wrap {
  width: 100%;
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 40px 0px 100px;
}
/* 顶部标题 */
.abfour-top-title {
  width: 100%;
  padding: 25px 0;
  text-align: center;
}
.abfour-top-title h1{
  font-size: var(--font-h2);
  letter-spacing: 2px;
  position: relative;
  display: inline-block;
  padding: 0px 30px;
  font-weight: 600;
}
.abfour-top-title h1::before{
  content: '';
  position: absolute;
  left:0px;
  top:calc(50% - 4px);
  width: 8px; 
  height: 8px;
  background-color: #ffffff;
  border-radius: 360px;
}
.abfour-top-title h1::after{
  content: '';
  position: absolute;
  right:0px;
  top:calc(50% - 4px);
  width: 8px; 
  height: 8px;
  background-color: #ffffff;
  border-radius: 360px;
}
/* 主内容区 */
.abfour-main {
  width: 100%;
  height: 520px;
  background-color: #2a2a2a;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
/* 左侧AOYOU水印 */
.abfour-main::before {
  content: "AOYOU";
  position: absolute;
  left: 2%;
  bottom: -40px;
  font-size: 220px;
  font-weight: bold;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  z-index: 0;
  user-select: none;
}
/* 左侧文字区 */
.abfour-text {
  flex: 1;
  padding: 10px 4%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}
.abfour-text__en {
  font-size: var(--font-h2);
  line-height: 1;
  letter-spacing: 3px;
  margin-bottom: 12px;
  font-weight: 600;
}
.abfour-text__cn {
  font-size: var(--font-h4);
  opacity: 0.9;
  margin-bottom: 15px;
}
.abfour-text__line {
  display: block;
  width: 60px;
  height: 4px;
  background-color: #444444;
  margin: 20px 0px 30px;
}
.abfour-text__desc {
  font-size: var(--font-t1);
  line-height: 2;
  max-width: 420px;
  opacity: 0.85;
}
/* 中间按钮组 */
.abfour-btn-group {
  width: 260px;
  height: 100%;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  z-index: 2;
}
.abfour-btn {
  flex: 1;
  padding: 5px;
  background-color: #3c3c3c;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.abfour-btn i{
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.abfour-btn i img{
  max-width: 100%;
}
.abfour-btn:hover, .abfour-btn.active {
  background-color: #000;
}
.abfour-btn span {
  font-size: var(--font-h4);
}
.abfour-img-wrap {
  width: 42%;
  height: 520px;
  flex-shrink: 0;
  overflow: hidden;
  z-index: 2;
  transition: all 0.3s ease;
}
.abfour-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.abfour-fade {
  opacity: 0;
}

@media (max-width:1630px) {
.abtwo-banner {
  padding: 60px 0px 60px 10%;
}
.abtwo-banner__text {
  padding-left: 40px;
  padding-top: 40px;
}

}

@media (max-width:1430px) {
.about-banner{ height:400px; }
/*-- --*/
.abone-banner__content {
  flex: 1;
  padding-left: 110px;
  position: relative;
}
.abone-banner__main-title {
  position: absolute;
  top: -150px;
  left: -70px;
}
.abone-banner__feature-box {
  left: 0;
  top: 30px;
  padding: 20px 20px 60px;
}

/*-- --*/
.abtwo-banner {
  padding: 60px 0px 60px 8%;
}
.abtwo-banner__text {
  padding-left: 0px;
  padding-top: 0px;
}

}

@media (max-width:1230px) {
.about-banner{ height:350px; }
.abone-banner__img-wrap img {
  width: 100%;
  height: auto;
}
.abone-banner__main-title {
  position: absolute;
  top: -120px;
  left: -120px;
}
.abone-banner__feature-box {
  padding: 20px 20px 20px 50px;
  min-width: 250px;
  min-height: 290px;
  transform: translateX(-22%);
}
.abone-banner__content{
  padding-left: 70px;
}
.abone-banner__feature-box p {
  letter-spacing: 1px;
  margin: 10px 0;
}

@media(max-width:1080px){
.abthree-stats{ padding: 25px 0; }
}

/*ipad*/
@media (min-width: 768px) and (max-width: 991px) {
/*-- --*/
.abone-banner {
  min-height:auto;
  padding: 30px 0;
  display: flex;
  flex-direction: column;
  justify-content:flex-start;
  align-items: flex-start;
  gap: 15px;
}
.abone-banner__img-wrap {
  width:100%;
}
.abone-banner__img-wrap img {
  max-width: 400px;
  height:auto;
}
.abone-banner__content {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  padding-left: 0px;
}
.abone-banner__main-title {
  top:-300px;
  right: 30%;
  left:auto;
}
.abone-banner__feature-box {
  position:relative;
  left: 0;
  top: 0px;
  padding:10px;
  min-width:auto;
  min-height:auto;
  transform: translateX(0);
}
.abone-banner__feature-box p {
  letter-spacing: 1px;
  margin:0;
}
.abone-banner__desc {
  margin:15px 0px;
  line-height: 1.8;
  max-width: 100%;
}

/*-- --*/
.abtwo-banner__quote img { width:50px; }
.abtwo-banner {
  padding: 40px 0px 40px 15px;
}
.abfour-main {
  height:auto;
  flex-direction: row;
  flex-wrap:wrap ;
}
.abfour-text {
  width: 60%;
  flex: auto;
}
.abfour-btn-group {
  width:40%;
}
.abfour-img-wrap{ width:100%; }

}
/* xs */
@media (max-width: 767px) {
.about-banner{ height:220px; }
.abone-banner {
  min-height:auto;
  padding: 30px 0;
  display: flex;
  flex-direction: column;
  justify-content:flex-start;
  align-items: flex-start;
  gap: 15px;
}
.abone-banner__img-wrap {
  width:100%;
}
.abone-banner__img-wrap img {
  max-width: 200px;
  height:auto;
}
.abone-banner__content {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  padding-left: 0px;
}
.abone-banner__main-title {
  position:absolute;
  top:-200px;
  right: 0;
  left:auto;
  padding:25px 0px;
}
.abone-banner__main-title h2 {
  font-size:1.7rem;
}
.abone-banner__main-title p {
  font-size:1.4rem;
  letter-spacing:0;
}
.abone-banner__feature-box {
  position:relative;
  left: 0;
  top: 0px;
  padding:10px;
  min-width:auto;
  min-height:auto;
  transform: translateX(0);
}
.abone-banner__feature-box p {
  letter-spacing: 1px;
  margin:0;
}
.abone-banner__desc {
  margin:15px 0px;
  line-height: 1.8;
  font-size: 1rem;
  max-width: 100%;
}

/*-- --*/
.abtwo-banner {
  min-height:auto;
  padding: 0px 15px 30px;
  gap:20px;
  flex-direction: column;
}
.abtwo-banner__text {
  padding-left:0px;
  padding-top:0px;
}
.abtwo-banner__title {
  font-size:1.4rem;
  margin: 0;
  padding:20px 0px;
}
.abtwo-banner__desc {
  font-size: var(--font-normal);
  line-height: 2.2;
  text-align: justify;
}
.abtwo-banner__quote img{
  width:30px;
}
.abtwo-banner__img-wrap {
  width: 100%;
}

/*-- --*/
.abthree-stats {
  min-height:auto;
  padding: 30px 10px;
  gap:5px;
}
.abthree-stats__num {
  font-size:1.8rem;
}
.abthree-stats__num-sup {
  font-size: 1rem;
}
.abthree-stats__label {
  font-size: 1rem;
}

/*-- --*/
.abfour-wrap {
  padding: 30px 0px 60px;
}
.abfour-top-title {
  padding: 15px 0;
}
.abfour-top-title h1{
  font-size: 1.4rem;
  letter-spacing: 0px;
  padding: 0px 20px;
}

/* 主内容区 */
.abfour-main {
  height:auto;
  flex-direction: row;
  flex-wrap:wrap ;
}
/* 左侧AOYOU水印 */
.abfour-main::before {
  content: "AOYOU";
  position: absolute;
  left: 2%;
  bottom: -40px;
  font-size: 220px;
  font-weight: bold;
  color: rgba(255,255,255,0.05);
  line-height: 1;
  z-index: 0;
  user-select: none;
}
/* 左侧文字区 */
.abfour-text {
  padding:15px;
  width: 60%;
  flex: auto;
}
.abfour-text__en {
  font-size: 1.5rem;
}
.abfour-text__cn {
  font-size:1.05rem;
}
.abfour-text__desc {
  font-size: 1.2rem;
  width:100%;
}
/* 中间按钮组 */
.abfour-btn-group {
  width:40%;
  height:350px;
  gap: 5px;
}
.abfour-btn {
  flex: 1;
  padding: 5px;
  background-color: #3c3c3c;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.abfour-btn i{
  width: 30px;
  height: 30px;
}
.abfour-btn span {
  font-size:1rem;
}

.abfour-img-wrap {
  width:100%;
  height:auto;
}
.abfour-img-wrap img {
  height: auto;
}

}

@media (max-width: 480px) {
.about-banner{ height:200px; }
.abthree-stats__num {
  font-size:1.4rem;
}
.abthree-stats__num-sup {
  font-size: 0.85rem;
}
.abthree-stats__label {
  font-size: 0.85rem;
}
}