.cont .page_banner {
  width: 100%;
  position: relative;
}
.cont .page_banner .banner-video {
  width: 100%;
}
.cont .page_banner .banner-video video {
  width: 100%;
  object-fit: cover;
}
.cont .page_banner .pic {
  height: 100%;
}
.cont .page_banner .pic .img {
  height: 100%;
}
.cont .page_banner .pic .img img {
  height: 100%;
  object-fit: cover;
}
.cont .page_banner .w1440 {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}
.cont .page_banner .w1440 .txt {
  margin-left: 10%;
}
.cont .page_banner .w1440 .txt p {
  display: block;
  color: #fff;
  font-family: "SourceHanSansCN-Bold";
}
.cont .page_banner .w1440 .txt .qr {
  display: flex;
  align-items: center;
  margin-top: 25px;
}
.cont .page_banner .w1440 .txt .qr .ic {
  width: 99px;
}
.cont .page_banner .w1440 .txt .qr span {
  display: block;
  color: #fff;
  margin-left: 20px;
}
.cont .page1 {
  padding: 110px 0;
  position: relative;
  z-index: 10;
  background: #fff;
}
.cont .page1 .w1440 {
  position: relative;
}
.cont .page1 .w1440 .tit {
  color: #171717;
  font-family: "SourceHanSansCN-Bold";
  position: relative;
  z-index: 10;
}
.cont .page1 .w1440 .subtit {
  color: #171717;
  margin-top: 1.5vw;
  position: relative;
  z-index: 10;
}
.cont .page1 .w1440 .bg {
  width: 80%;
  position: absolute;
  top: 0;
  left: 0;
}
.cont .page1 .w1440 .list {
  position: relative;
  z-index: 10;
  margin-top: 6vw;
  width: 59%;
  display: flex;
  justify-content: space-between;
}
.cont .page1 .w1440 .list li {
  width: 20%;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #e4e4e4;
  background: #fbfbfb;
  transition: all 0.5s;
}
.cont .page1 .w1440 .list li .ic {
  width: 65%;
  margin: 0 auto;
}
.cont .page1 .w1440 .list li .txt {
  text-align: center;
  width: 100%;
  color: #171717;
  margin-top: 15px;
  transition: all 0.5s;
}
.cont .page1 .w1440 .list li:hover {
  background: #0047ba;
  border: 1px solid #0047ba;
}
.cont .page1 .w1440 .list li:hover .ic img {
  -webkit-filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
  transform: translateY(-8px);
}
.cont .page1 .w1440 .list li:hover .txt {
  color: #fff;
}
.cont .page2 {
  padding: 90px 0 70px;
  background: #f3f3f3;
  position: relative;
  z-index: 10;
}
.cont .page2 .title {
  color: #171717;
  font-family: "SourceHanSansCN-Bold";
}
.cont .page2 .sw1 {
  margin-top: 1.5vw;
  margin-bottom: 2vw;
}
.cont .page2 .sw1 .swiper-slide {
  border-radius: 10px;
  overflow: hidden;
  padding: 25px 5px;
  height: auto;
  position: relative;
  cursor: pointer;
}
.cont .page2 .sw1 .swiper-slide::after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  transition: all 0.3s;
}
.cont .page2 .sw1 .swiper-slide .img {
  width: 86%;
  margin: 0 auto;
  position: relative;
  z-index: 5;
}
.cont .page2 .sw1 .swiper-slide .txt {
  margin-top: 1vw;
  width: 100%;
  text-align: center;
  color: #171717;
  transition: all 0.3s;
  position: relative;
  z-index: 5;
}
.cont .page2 .sw1 .swiper-slide:hover .img img {
  transform: translateY(-10px);
}


.cont .page2 .sw1 .swiper-slide.on::after {
  background: #0047ba;
}
.cont .page2 .sw1 .swiper-slide.on .txt {
  color: #fff;
}
.cont .page2 .fixed {
  margin-top: 4vw;
  width: 100%;
  height: 100vh;
}
.cont .page2 .fixed .item {
  display: none;
  height: 100%;
  width: 100%;
}
.cont .page2 .fixed .item:nth-child(1) {
  display: block;
}
.cont .page2 .fixed .item .step {
  display: flex;
  justify-content: space-between;
  height: 100%;
  width: 100%;
}
.cont .page2 .fixed .item .step .txt {
  width: 45%;
  margin-top: 5vw;
}
.cont .page2 .fixed .item .step .txt .tit {
  color: #171717;
  font-family: "SourceHanSansCN-Bold";
  position: relative;
  z-index: 5;
}
.cont .page2 .fixed .item .step .txt .slogan {
  width: 62.3%;
  margin: -1vw 0 0 4vw;
}
.cont .page2 .fixed .item .step .txt .ic {
  width: 42.8%;
  margin-top: 2.7vw;
}
.cont .page2 .fixed .item .step .txt .step_list {
  display: block;
  position: relative;
  margin-top: 1vw;
  overflow: hidden;
}
.cont .page2 .fixed .item .step .txt .step_list li {
  transform: translateY(50px);
  opacity: 0;
  transition-delay: 0s;
  transition-duration: 0.5s;
  pointer-events: none;
  position: absolute;
  left: -200%;
  top: -200%;
}
.cont .page2 .fixed .item .step .txt .step_list li p {
  display: block;
  color: #171717;
  transition: all .3s;
}
.cont .page2 .fixed .item .step .txt .step_list li:hover p{
    color: #0047ba;
}
.cont .page2 .fixed .item .step .txt .step_list li span {
  margin-top: 5px;
  display: block;
  color: #171717;
}
.cont .page2 .fixed .item .step .txt .step_list li.on {
  pointer-events: auto;
  position: static;
  opacity: 1;
  transform: translateY(0);
  transition-duration: 1.5s;
}
.cont .page2 .fixed .item .step .pic {
  width: 51%;
  height: 100%;
  display: flex;
  align-items: flex-end;
}
.cont .page2 .fixed .item .step .pic .img_list {
  width: 100%;
  position: relative;
  overflow: hidden;
  height: 95%;
  display: flex;
  align-items: flex-end;
}
.cont .page2 .fixed .item .step .pic .img_list li {
  opacity: 0;
  pointer-events: none;
  position: absolute;
  left: -200%;
  top: -200%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.cont .page2 .fixed .item .step .pic .img_list li .img {
  width: 46.8%;
  position: relative;
  margin-bottom: 6%;
  display: flex;
  justify-content: flex-end;
  transform: translateY(50px) ;
  opacity: 0;
  transition-delay: 0s;
  transition-duration: 0.5s;
      border-radius: 10px;
    overflow: hidden;
}
.cont .page2 .fixed .item .step .pic .img_list li .img::after{
    content: '';
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    bottom: -12px;
    height: 10px;
    transition: all .3s;
    background: #0047ba;
}
.cont .page2 .fixed .item .step .pic .img_list li .img:hover{
    transition-delay: 0s!important;
    transform: translateY(-6px) scale(1)!important;
    transition-duration: .5s!important;
}
.cont .page2 .fixed .item .step .pic .img_list li .img:hover::after{
    bottom: 0px;
}
/*
.cont .page2 .fixed .item .step .pic .img_list li .img:nth-child(1) {
  height: 27.44%;
}
.cont .page2 .fixed .item .step .pic .img_list li .img:nth-child(2) {
  height: 22.81%;
}
.cont .page2 .fixed .item .step .pic .img_list li .img:nth-child(3) {
  height: 22.81%;
}
.cont .page2 .fixed .item .step .pic .img_list li .img:nth-child(4) {
  height: 22.92%;
}
*/
.cont .page2 .fixed .item .step .pic .img_list li .img img {
  width: 100%;
  object-fit: contain;
  height: 100%;
}
.cont .page2 .fixed .item .step .pic .img_list li.on {
  opacity: 1;
  pointer-events: auto;
  position: static;
}
.cont .page2 .fixed .item .step .pic .img_list li.on .img {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-duration: 1s;
}
.cont .page2 .fixed .item .step .pic .img_list li.on .img:nth-child(1) {
  transition-delay: 0s;
}
.cont .page2 .fixed .item .step .pic .img_list li.on .img:nth-child(2) {
  transition-delay: 0.2s;
}
.cont .page2 .fixed .item .step .pic .img_list li.on .img:nth-child(3) {
  transition-delay: 0.4s;
}
.cont .page2 .fixed .item .step .pic .img_list li.on .img:nth-child(4) {
  transition-delay: 0.6s;
}
.cont .page2 .fixed_h5 {
  display: none;
  position: relative;
  margin-top: 40px;
}
.cont .page2 .fixed_h5 .sw3 {
  position: absolute;
  top: 0;
  right: 0;
  opacity: 0;
  pointer-events: none;
  padding-bottom: 20px;
}
.cont .page2 .fixed_h5 .sw3.on {
  position: static;
  opacity: 1;
  pointer-events: auto;
}
.cont .page2 .fixed_h5 .sw3 .swiper-pagination {
  bottom: 0;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .txt {
  width: 100%;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .tit {
  color: #171717;
  font-family: "SourceHanSansCN-Bold";
  position: relative;
  z-index: 5;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .slogan {
  width: 47%;
  margin: -1vw 0 0 4vw;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .ic {
  width: 42.8%;
  margin-top: 2.7vw;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .step_list {
  display: block;
  position: relative;
  margin-top: 1vw;
  overflow: hidden;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .step_list li p {
  display: block;
  color: #171717;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .step_list li span {
  margin-top: 5px;
  display: block;
  color: #171717;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .pic {
  width: 100%;
  margin-top: 30px;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .pic .img_list {
  width: 100%;
  position: relative;
  overflow: hidden;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .pic .img_list li .img {
  width: 100%;
}
.cont .page2 .fixed_h5 .sw3 .swiper-slide .pic .img_list li .img img {
  width: 100%;
}
.cont .page3 {
  padding: 120px 0;
  position: relative;
  z-index: 10;
  background: #fff;
}
.cont .page3 .tit {
  color: #171717;
  font-family: "SourceHanSansCN-Bold";
  position: relative;
  z-index: 5;
}
.cont .page3 .slogan {
  width: 26.2%;
  margin: -1vw 0 0 4vw;
}
.cont .page3 .sw_box {
  margin-top: 3vw;
  display: flex;
  justify-content: space-between;
  width: 100%;
}
.cont .page3 .sw_box .item {
  width: 32%;
  position: relative;
}
.cont .page3 .sw_box .item .arr {
  position: absolute;
  bottom: 0%;
  right: 0;
  width: 137px;
  height: 50px;
  z-index: 10;
  display: flex;
  justify-content: space-between;
}
.cont .page3 .sw_box .item .arr .swiper-button-prev,
.cont .page3 .sw_box .item .arr .swiper-button-next {
  position: static;
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #858585;
}
.cont .page3 .sw_box .item .arr .swiper-button-prev::after,
.cont .page3 .sw_box .item .arr .swiper-button-next::after {
  font-size: 14px;
  color: #fff;
    transition: all .3s;
}
.cont .page3 .sw_box .item .arr .swiper-button-prev:hover,.cont .page3 .sw_box .item .arr .swiper-button-next:hover{
      background: #0047ba;
  }
    .cont .page3 .sw_box .item .arr .swiper-button-prev:hover::after{
      margin-right: 5px;
  }
  .cont .page3 .sw_box .item .arr .swiper-button-next:hover::after{
      margin-left: 5px;
  }
.cont .page3 .sw_box .item .arr .swiper-button-next.swiper-button-disabled,
.cont .page3 .sw_box .item .arr .swiper-button-prev.swiper-button-disabled {
  opacity: 1;
}

.cont .page3 .sw_box .sw2 {
  width: 61%;
}
.cont .page3 .sw_box .sw2 .swiper-slide {
  display: flex;
  align-items: flex-end;
}
.cont .page3 .sw_box .sw2 video {
  width: 100%;
  object-fit: cover;
}
@media screen and (min-width: 1921px) {
    .cont .page2 .fixed .item .step .pic .img_list{
            padding-bottom: 5vw;
    }
}
/* 125% */
@media screen and (max-width: 1440px) {
  .cont .page1 .w1440 .list {
    width: 70%;
  }
}
@media screen and (max-width: 1366px) {
  .cont .page2 .fixed .item .step .pic .img_list {
    align-items: flex-end;
  }
}
/* 150 */
@media screen and (max-width: 998px) {
    .cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .slogan{
        margin: 10px 0 0 4vw;
    }
    .cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .ic{
        margin-top: 30px;
    }
    .cont .page2 .fixed_h5 .sw3 .swiper-slide .txt .step_list{
        margin-top: 10px;
    }
    .cont .page2 .sw1{
        margin-bottom: 0;
        padding-bottom: 30px;
    }
    .cont .page2 .sw1 .swiper-pagination{bottom:0;}
  .cont .page1,
  .cont .page2,
  .cont .page3 {
    padding: 40px 0;
  }
  .cont .page2 .fixed_h5 .sw3 .swiper-slide .pic .img_list li{
      display: flex;
          justify-content: space-between;
    flex-wrap: wrap;
  }
  .cont .page2 .fixed_h5 .sw3 .swiper-slide .pic .img_list li .img{
          width: 48%;
          margin-bottom: 4%;
          border-radius: 5px;
        overflow: hidden;
  }
  .cont .page1 .w1440 .list {
    width: 100%;
  }
  .cont .page1 .w1440 .list li {
    width: 24%;
    border-radius: 10px;
  }
  .cont .page_banner .pic {
    height: 400px;
  }
  .cont .page2 .sw1 .swiper-slide {
    border-radius: 10px;
  }
  .cont .page2 .fixed {
    display: none;
  }
  .cont .page2 .fixed_h5 {
    display: block;
    margin-top: 20px;
  }
  .cont .page3 .sw_box {
    flex-wrap: wrap;
  }
  .cont .page3 .sw_box .item {
    width: 100%;
    order: 3;
    margin-top: 15px;
  }
  .cont .page3 .sw_box .item .arr {
    position: static;
    margin: 0 auto;
    width: 90px;
  }
  .cont .page3 .sw_box .sw2 {
    width: 100%;
  }
  .cont .page3 .sw_box .item .arr .swiper-button-prev,
  .cont .page3 .sw_box .item .arr .swiper-button-next {
    width: 35px;
    height: 35px;
  }
}
@media screen and (max-width: 768px) {
    .cont .page_banner{
        height: auto;
    }
    .cont .page_banner .banner-video{
        height: 100%;
    }
    .cont .page_banner .banner-video video{
        height: 100%;
    }
  .cont .page1 .w1440 .list li .ic {
    width: 40%;
  }
  .cont .page1 .w1440 .list li .txt {
    margin-top: 10px;
  }
  .cont .page2 .sw1{
      margin-top: 15px;
  }
  .cont .page2 .sw1 .swiper-slide .txt {
    font-size: 10px;
  }
  .cont .page2 .sw1 .swiper-slide {
    padding: 10px 5px;
  }
  .cont .page_banner .pic {
    height: 200px;
  }
  .cont .page_banner .w1440 {
    top: 60%;
    display: none;
  }
  .cont .page_banner .w1440 .txt {
    margin-left: 0;
  }
  .cont .page_banner .w1440 .txt p {
    font-size: 16px;
  }
  .cont .page_banner .w1440 .txt .qr {
    margin-top: 3vw;
  }
  .cont .page_banner .w1440 .txt .qr .ic {
    width: 60px;
  }
  .cont .page_banner .w1440 .txt .qr span {
    margin-left: 10px;
    font-size: 10px;
  }
  .cont .page1 .w1440 .list {
    flex-wrap: wrap;
  }
  .cont .page1 .w1440 .list li {
    width: 48%;
    padding: 10px;
    margin-bottom: 4%;
  }
}
/*# sourceMappingURL=./authenticity.css.map */

/* ===== authenticity v2 (2026-10-03): 高端化去旧站改版 (authenticity-v2 marker) ===== */

/* banner: 新图结构适配 — 随图比例完整呈现 + 左侧 scrim */
.cont .page_banner { /* banner-fit */
  height: auto;
}
.cont .page_banner .pic {
  height: auto;
}
.cont .page_banner .pic .img {
  height: auto;
}
.cont .page_banner .pic .img img {
  height: auto;
  object-fit: fill;
}
@media screen and (min-width: 769px) {
  .cont .page_banner::before { /* banner-scrim */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(4, 10, 26, 0.62) 0%, rgba(4, 10, 26, 0.36) 34%, rgba(4, 10, 26, 0) 60%);
    z-index: 5;
    pointer-events: none;
  }
}
.cont .page_banner .w1440 { z-index: 10; }
.cont .page_banner .w1440 .txt .sub-line {
  display: block;
  color: #fff;
  margin-top: 12px;
}

/* 区块通用 */
.au4 { position: relative; }
.au4 .au4_head { max-width: 880px; }
.au4 .au4_kicker { display: flex; align-items: baseline; gap: 14px; margin-bottom: 26px; }
.au4 .au4_kicker i { font-style: normal; font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 44px; color: #1d5eff; line-height: 1; }
.au4 .au4_kicker em { font-style: normal; font-size: 13px; letter-spacing: 3px; color: #9aa7b8; text-transform: uppercase; }
.au4 .au4_h2 { font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 40px; color: #171717; line-height: 1.3; margin: 0 0 22px; font-weight: normal; }
.au4 .au4_lead { font-size: 16px; color: #5a6572; line-height: 1.95; margin: 0; text-align: justify; }

/* 01 验真理念 */
.sec_idea { padding: 100px 0 110px; background: #fff; }
.au4_grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 56px 0 0; padding: 0; }
.au4_grid li { background: #f4f6f9; padding: 34px 30px 32px; position: relative; transition: transform .35s, box-shadow .35s, background .35s; }
.au4_grid li:hover { transform: translateY(-6px); background: #fff; box-shadow: 0 18px 40px rgba(23, 35, 58, .08); }
.au4_grid .ic { height: 48px; color: #1d5eff; }
.au4_grid .ic svg { width: 46px; height: 46px; }
.au4_grid .no { position: absolute; top: 32px; right: 26px; font-size: 15px; color: #c2cddb; letter-spacing: 1px; }
.au4_grid h3 { font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 18px; color: #171717; margin: 22px 0 10px; font-weight: normal; }
.au4_grid p { font-size: 14px; color: #7a8595; line-height: 1.75; margin: 0; }

/* 02 四步流程 */
.sec_flow4 { padding: 100px 0 110px; background: #f4f6f9; }
.au4_steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 56px 0 0; padding: 0; }
.au4_steps li { background: #fff; border-top: 3px solid #1d5eff; padding: 32px 28px 30px; box-sizing: border-box; transition: transform .35s, box-shadow .35s; }
.au4_steps li:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(23, 35, 58, .08); }
.au4_steps .step_no { display: inline-block; font-size: 12px; letter-spacing: 2px; color: #1d5eff; background: #eef4ff; border-radius: 999px; padding: 5px 14px; }
.au4_steps h3 { font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 20px; color: #171717; margin: 18px 0 10px; font-weight: normal; }
.au4_steps p { font-size: 14px; color: #7a8595; line-height: 1.8; margin: 0; }
.au4_badge { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 44px; background: #171717; color: #fff; padding: 30px 40px; box-sizing: border-box; }
.au4_badge .b_left strong { display: block; font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 22px; font-weight: normal; }
.au4_badge .b_left p { margin: 10px 0 0; font-size: 14px; color: #b9c3d4; }
.au4_badge .b_right span { display: inline-block; font-size: 13px; letter-spacing: 1px; color: #9fc0ff; border: 1px solid #3d5a92; border-radius: 999px; padding: 8px 20px; white-space: nowrap; }

/* 03 官方验真通道 */
.sec_channel { padding: 100px 0 120px; background: #fff; }
.au4_channel { display: flex; align-items: center; justify-content: space-between; gap: 50px; margin-top: 50px; background: #f4f6f9; padding: 44px 50px; box-sizing: border-box; }
.au4_channel .ch_left { max-width: 820px; }
.au4_channel .ch_left h3 { font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 24px; color: #171717; margin: 0 0 14px; font-weight: normal; }
.au4_channel .ch_left p { font-size: 15px; color: #5a6572; line-height: 1.9; margin: 0; text-align: justify; }
.au4_channel .ch_right { display: flex; flex-direction: column; align-items: center; gap: 16px; flex-shrink: 0; }
.au4_tel { font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 26px; color: #171717; text-decoration: none; }
.au4_tel:hover { color: #1d5eff; }
.au4_cta { display: inline-block; background: #1d5eff; color: #fff; font-family: 'SourceHanSansCN-Bold', sans-serif; font-size: 16px; padding: 15px 44px; border-radius: 999px; text-decoration: none; transition: background .3s; white-space: nowrap; }
.au4_cta:hover { background: #0f47d6; color: #fff; }

/* 移动端 */
@media screen and (max-width: 768px) {
  .au4 { padding: 56px 0 60px; }
  .sec_idea, .sec_flow4, .sec_channel { padding: 56px 0 60px; }
  .au4 .au4_kicker { margin-bottom: 16px; gap: 10px; }
  .au4 .au4_kicker i { font-size: 30px; }
  .au4 .au4_kicker em { font-size: 11px; letter-spacing: 2px; }
  .au4 .au4_h2 { font-size: 26px; margin-bottom: 14px; }
  .au4 .au4_lead { font-size: 14px; }
  .au4_grid { grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
  .au4_grid li { padding: 22px 16px 20px; }
  .au4_grid .ic { height: 38px; }
  .au4_grid .ic svg { width: 36px; height: 36px; }
  .au4_grid .no { top: 24px; right: 15px; font-size: 13px; }
  .au4_grid h3 { font-size: 15px; margin: 14px 0 6px; }
  .au4_grid p { font-size: 12px; }
  .au4_steps { grid-template-columns: 1fr; gap: 14px; margin-top: 32px; }
  .au4_steps li { padding: 22px 20px 20px; }
  .au4_steps h3 { font-size: 17px; margin: 12px 0 8px; }
  .au4_steps p { font-size: 13px; }
  .au4_badge { flex-direction: column; align-items: flex-start; gap: 18px; padding: 24px 20px; margin-top: 28px; }
  .au4_badge .b_left strong { font-size: 18px; }
  .au4_badge .b_left p { font-size: 13px; }
  .au4_channel { flex-direction: column; align-items: flex-start; gap: 26px; padding: 26px 20px; margin-top: 30px; }
  .au4_channel .ch_left h3 { font-size: 18px; }
  .au4_channel .ch_left p { font-size: 14px; }
  .au4_channel .ch_right { width: 100%; }
  .au4_tel { font-size: 22px; }
  .au4_cta { width: 100%; text-align: center; box-sizing: border-box; }
}

/* ===== authenticity qr (2026-10-03): 官方验真二维码卡片 (authenticity-qr marker) ===== */
.au4_channel .ch_left { flex: 1 1 auto; max-width: none; }
.au4_channel .ch_qr { flex-shrink: 0; text-align: center; }
.au4_channel .ch_qr img {
  width: 150px;
  height: 150px;
  display: block;
  margin: 0 auto;
  border: 1px solid #e3e8ef;
  border-radius: 8px;
  padding: 10px;
  background: #fff;
  box-sizing: content-box;
}
.au4_channel .ch_qr p { font-size: 12px; color: #7a8595; margin: 12px 0 0; }
@media screen and (max-width: 768px) {
  .au4_channel .ch_qr { order: -1; width: 100%; }
  .au4_channel .ch_qr img { width: 170px; height: 170px; }
}


/* ===== authenticity-banner-layout (2026-10-03): banner 文字布局重排 (authenticity-banner-layout marker) ===== */
.cont .page_banner .w1440 {
  top: auto;
  bottom: 11%;
  transform: translateX(-50%);
}
.cont .page_banner .w1440 .txt {
  margin-left: 0;
}
.cont .page_banner .w1440 .txt p {
  line-height: 1.3;
  letter-spacing: 2px;
}
.cont .page_banner .w1440 .txt span {
  display: block;
  margin-top: 14px;
  max-width: 660px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.92);
}
.cont .page_banner .w1440 .contact {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-top: 30px;
}
.cont .page_banner .w1440 .contact p {
  display: block;
  margin: 0;
  font-size: 14px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.85);
}
.cont .page_banner .w1440 .contact span {
  display: block;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 1px;
}
@media screen and (max-width: 1366px) {
  .cont .page_banner .w1440 .contact span { font-size: 26px; }
  .cont .page_banner .w1440 .txt span { max-width: 520px; }
}