.brand-banner {
  position: relative;
  background-color: #f1f4fd;
  height: 540px;
}
.brand-banner .sub-title {
  position: relative;
  display: flex;
  align-items: center;
}
.brand-banner .sub-title::before {
  content: "";
  display: block;
  width: 3px;
  height: 70%;
  background-color: #1764ff;
  margin-right: 12px;
}
.brand-banner img {
  user-select: none;
  -webkit-user-drag: none;
}
.brand-banner .container {
  height: 100%;
}
.brand-banner .banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  user-select: none;
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.brand-banner .banner-content {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (max-width: 768px) {
  .brand-banner {
    height: 460px;
  }
  .brand-banner .sub-title {
    justify-content: center;
  }
  .brand-b {
    font-size: 28px !important;
  }
  .brand-p {
    font-size: 12px !important;
  }
  .brand-banner .banner-content p {
    font-size: 14px;
    width: 90%;
    margin: 4px auto !important;
  }
  .brand-banner .banner-content div {
    justify-content: center;
  }
}
@media screen and (max-width: 575px) {
  .brand-banner .links {
    justify-content: space-around;
  }
  .brand-banner .link-2 {
    margin-left: 0;
  }
}
/*  当前形势 */
.brand-quo {
  padding: 78px 0 90px;
}
.brand-quo .quo-content {
  display: flex;
  align-items: flex-end;
  background-color: #f5f7fc;
  padding: 40px 36px;
  border-radius: 8px;
  background-image: url(/libraries_v4/view/brand/imgs/quo-img.png);
  background-repeat: no-repeat;
  background-size: 280px 280px;
  background-position: left bottom;
}

.brand-quo .quo-info {
  flex: 1;
  flex-shrink: 0;
  padding-left: 40px;
}
.brand-quo .product-links {
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0 12px;
}
.brand-quo .link-item {
  width: fit-content;
  min-width: 70px;
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #212529;
}
.brand-quo .link-item-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

@media screen and (max-width: 1199px) {
  .brand-quo .quo-img {
    display: none;
  }

  .brand-quo .quo-content {
    background-image: none;
  }
  .brand-quo .quo-info {
    padding-left: 0;
    padding-right: 0;
  }
  .brand-quo .quo-content {
    padding-top: 40px;
  }
  .brand-quo .link-item {
    margin-top: 1.5rem;
  }
}
@media screen and (max-width: 768px) {
  .brand-quo {
    padding: 30px 0;
  }
  .brand-quo p {
    font-size: 14px;
  }
  .brand-quo .quo-info {
    font-size: 14px;
  }
}

@media screen and (max-width: 676px) {
  .brand-quo .quo-content {
    padding-top: 40px;
    padding-left: 16px;
    padding-right: 16px;
  }
  .brand-quo .link-item .fn14 {
    font-size: 12px;
  }
  .brand-quo .link-item {
    max-width: 20%;
    min-width: 50px;
    text-align: center;
  }
  .brand-quo .link-item-img {
    width: 40px;
    height: 40px;
  }
}

/* 为什么选择 SUBMAIL？ */
.brand-why {
  padding: 100px 0;
  /* height: 480px; */
}
.brand-why .bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.why-container .dots {
  display: flex;
  justify-content: space-between;
}
.why-container .dots-item .text {
  position: relative;
  cursor: pointer;
}
.why-container .dots-item .text::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: #1764ff;
  transition: all 0.3s;
}

.why-container .dots-item.active .text::after {
  width: 120%;
}
.why-content .text {
  min-height: 84px;
}
@media (max-width: 768px) {
  .brand-why {
    padding: 30px 0;
  }
}

/* 赛邮云里程碑 */
section.brand-year {
  padding: 100px 0;
}
.brand-year .bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.brand-year .years-swiper {
  width: 100%;
  position: relative;
}
.brand-year .swiper-slide {
  height: 440px;
  position: relative;
}
.brand-year .swiper-slide:first-child .line {
  border-radius: 2px 0 0 2px;
}
.brand-year .swiper-slide:last-child .line {
  border-radius: 0 2px 2px 0;
}
.brand-year .swiper-slide .line {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 100%;
  height: 4px;
  background-color: #006bfc;
}
.brand-year .swiper-slide .line::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #fff;
  border: 2px solid #006bfc;
}
.brand-year .swiper-slide .top-info,
.brand-year .swiper-slide .btm-info {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  background-repeat: no-repeat;
  background-size: 107% 200px;
}
.brand-year .swiper-slide .top-info {
  top: 0;
  background-position: top center;
  background-image: url(/libraries_v4/view/brand/imgs/top-year.png);
}
.brand-year .swiper-slide .btm-info {
  bottom: 0;
  background-image: url(/libraries_v4/view/brand/imgs/btm-year.png);
  background-position: bottom center;
}
.brand-year .swiper-slide .top-info .bg-wrap {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 140px;
}
.brand-year .swiper-slide .top-info .bg-wrap .bg {
  width: 100%;
  height: 100%;
  object-fit: fill;
}

.brand-year .swiper-slide .top-info .bg,
.brand-year .swiper-slide .btm-info .bg {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 110%;
  object-fit: fill;
}
.brand-year .swiper-slide .top-info .bg {
  top: 0;
}
.brand-year .swiper-slide .btm-info .bg {
  transform: translateX(-50%) rotate(180deg);
  bottom: 0;
}
.brand-year .swiper-slide .year-num {
  position: absolute;
  left: 0;
  width: 100%;
  text-align: center;
  font-weight: bold;
  color: #a4a9b1;
}
.brand-year .swiper-slide .top-info .year-num {
  bottom: 14px;
}
.brand-year .swiper-slide .btm-info .year-num {
  top: 14px;
}
.brand-year .swiper-handle .iconfont4 {
  transition: all 0.3s;
}

.brand-year .swiper-slide .info-content {
  padding: 15px 28px 36px;
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}
.brand-year .swiper-slide .btm-info .info-content {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.brand-year .swiper-slide .title {
  display: flex;
  align-items: center;
}
.brand-year .swiper-slide .title img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.brand-year .swiper-slide .dec {
  margin-top: 12px;
}
.brand-year .swiper-handle.swiper-prev,
.brand-year .swiper-handle.swiper-next {
  position: absolute;
  top: 50%;
  background-color: #fff;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0px 1px 2px -2px rgba(0, 107, 252, 0.05),
    0px 3px 6px 0px rgba(0, 107, 252, 0.03),
    0px 5px 12px 4px rgba(0, 107, 252, 0.03);
}
.brand-year .swiper-handle.swiper-prev {
  left: -40px;
  transform: translate(-100%, -50%);
}
.brand-year .swiper-handle.swiper-next {
  right: -40px;
  transform: translate(100%, -50%);
}
.brand-year .swiper-handle.swiper-prev .iconfont4 {
  transform: rotate(0deg);
}

.brand-year .swiper-handle.swiper-next .iconfont4 {
  transform: rotate(180deg);
}
.brand-year .swiper-handle.swiper-prev:hover .iconfont4 {
  transform: rotate(0) scale(1.1);
}
.brand-year .swiper-handle.swiper-next:hover .iconfont4 {
  transform: rotate(180deg) scale(1.1);
}

.brand-year .swiper-handle.swiper-button-disabled {
  cursor: default;
}
.brand-year .swiper-handle.swiper-button-disabled .iconfont4 {
  color: #c8ccd2;
}
@media screen and (max-width: 1199px) {
  .brand-year .swiper-handle.swiper-prev {
    left: -12px;
  }
  .brand-year .swiper-handle.swiper-next {
    right: -12px;
  }
}
@media screen and (max-width: 768px) {
  .brand-year .swiper-slide .info-content {
    padding: 15px 28px 20px;
  }
  section.brand-year {
    padding: 30px 0;
  }
  .brand-year .swiper-slide .dec {
    font-size: 13px !important;
  }
  .brand-year .swiper-slide .info-content {
    padding-left: 20px;
    padding-right: 20px;
  }
}
@media screen and (max-width: 576px) {
  .brand-year .swiper-slide {
    height: 415px;
  }
  .brand-year .swiper-slide .time {
    font-size: 14px !important;
  }
  .brand-year .swiper-slide .title {
    font-size: 14px !important;
  }
  .brand-year .swiper-slide .title img {
    width: 28px;
    height: 28px;
  }
  .brand-year .swiper-slide .top-info,
  .brand-year .swiper-slide .btm-info {
    background-size: 107% 185px;
  }
  .brand-year .swiper-handle.swiper-prev,
  .brand-year .swiper-handle.swiper-next {
    display: none;
  }
}

/*  */
.security-iso .des {
  position: absolute;
  top: 120px;
  left: 50%;
  width: 100%;
  transition: all 0.3s ease-out;
  transform: translate(-50%, 0);
  background: #fff;
  box-shadow: 0 4px 16px 0 rgba(218, 221, 231, 0.7);
  opacity: 0;
  padding: 8px;
  z-index: -1;
  border-radius: 4px;
  font-size: 14px;
}
.security-iso .iso-item:hover .des {
  top: 85px;
  z-index: 99;
  opacity: 1;
}

/* 联系我们 */
.section-connect-us {
  padding: 160px 0;
  position: relative;
  scroll-margin-top: 60px;
}
.section-connect-us .bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.section-connect-us .qr-code {
  position: absolute;
  top: -48px;
  right: 68px;
  width: 100px;
  height: 100px;
  object-fit: contain;
  border: 1px solid #ccc;
}
@media (max-width: 768px) {
  .section-connect-us {
    padding: 30px 0;
  }
}

/* v4-home-section-iso */
.section-iso {
  padding: 72px 0 72px;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.section-iso .zixun {
  margin: 0 auto;
}

.section-iso .iso-item {
  display: flex;
  flex-direction: column;
  position: relative;
  align-items: center;
}

.section-iso .iso-name {
  max-width: 116px;
  word-wrap: break-word;
  font-size: 14px;
  margin-top: 16px;
  text-align: center;
}

.section-iso .iso-item-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}
.section-iso .des {
  position: absolute;
  top: 120px;
  left: 50%;
  width: 100%;
  transition: all 0.3s ease-out;
  transform: translate(-50%, 0);
  background: #fff;
  box-shadow: 0 4px 16px 0 rgba(218, 221, 231, 0.7);
  opacity: 0;
  padding: 8px;
  z-index: -1;
  border-radius: 4px;
  font-size: 14px;
}
.section-iso .iso-item:hover .des {
  top: 70px;
  z-index: 99;
  opacity: 1;
}
@media screen and (max-width: 767px) {
  .section-iso {
    padding: 30px 0 30px;
  }
  .section-iso .md5-title {
    font-size: 1.5rem;
  }
  .section-iso .iso-item-img {
    width: 60px;
    height: 60px;
  }
  .section-iso .iso-name {
    font-size: 14px;
  }
}

.section-iso ul.md5s {
  margin-top: 64px;
}
.section-iso ul.md5s li {
  position: relative;
}
.section-iso ul.md5s li img.bg {
  width: 100%;
  object-fit: cover;
  min-height: 480px;
}
.section-iso .md5-item {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 50%;
  height: 100%;
  transform: translateX(-50%);
  display: flex;
}
.section-iso .item-content {
  width: 45%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.section-iso ul.md5s li:nth-child(2n + 1) .md5-item {
  justify-content: flex-end;
}
.section-iso .source {
  display: flex;
  align-items: center;
}
.section-iso .source-warning {
  color: #f19932;
}
.section-iso .source-success {
  color: #006bfc;
}

.section-iso .source img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

@media screen and (max-width: 767px) {
  .section-iso .item-content {
    width: 100%;
  }
}

@media screen and (max-width: 991px) {
  section h1 {
    font-size: 28px;
  }
  section h2 {
    font-size: 24px;
  }
}