/* ==========================================================================
   aboutus.css — 关于我们内页专属样式
   ========================================================================== */


.page-banner {
  height: 420px;
  position: relative;
  overflow: hidden;
  color: #fff;
  background-color: #0d597b;
  background-image: var(--page-banner-bg, none);
  background-position: var(--page-banner-position, center center);
  background-size: cover;
  background-repeat: no-repeat;
}


.page-banner__inner {
  width: min(1600px, calc(100% - 64px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 183px;
}

.page-banner__title {
  margin: 0;
  color: #fff;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: .01em;
}

.page-banner__subtitle {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .98);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

.page-about {
  overflow: hidden;
  background: #fff;
}

.page-banner--about {
  --page-banner-bg: url(../img/page/about-banner.jpg);
  --page-banner-position: center center;
  background-color: #e6f1f5;
}

.page-banner--about .page-banner__inner {
  padding-top: 140px;
}

.page-banner--about .page-banner__title {
  color: #403586;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: .01em;
}

.page-banner--about .page-banner__subtitle {
  margin-top: 12px;
  color: #333741;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-about__inner {
  width: min(1600px, calc(100% - 64px));
  margin: 0 auto;
  position: relative;
}

.page-about__breadcrumb {
  position: absolute;
  right: 0;
  top: 22px;
  display: flex;
  align-items: center;
  color: #494C53;
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
}

.page-about__breadcrumb a,
.page-about__breadcrumb span {
  color: #494C53;
  display: inline-flex;
  align-items: center;
}

.page-about__breadcrumb a::after,
.page-about__breadcrumb span:not(:last-child)::after {
  content: "";
  width: 7px;
  height: 7px;
  margin: 0 10px;
  border-top: 1px solid #9EA2A8;
  border-right: 1px solid #9EA2A8;
  transform: rotate(45deg);
}

.page-about__head {
  text-align: center;
}

.page-about__eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: #403586;
  font-family: "Poppins", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: .01em;
  text-transform: uppercase;
}

.page-about__eyebrow::before {
  content: "";
  width: 17px;
  height: 17px;
  display: inline-block;
  background: linear-gradient(90deg, #403586 2px, transparent 2px) 0 0 / 5px 5px,
    linear-gradient(#403586 2px, transparent 2px) 0 0 / 5px 5px;
  transform: rotate(45deg) scale(.78);
}

.page-about__title {
  margin: 12px 0 0;
  color: #73CBC7;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: .02em;
}

.about-intro {
  height: 683px;
  background: #fff;
  position: relative;
}

.about-intro .page-about__inner {
  height: 100%;
}

.about-intro .page-about__head {
  padding-top: 79px;
}

.about-intro__desc {
  width: 960px;
  margin: 30px auto 0;
  color: #494C53;
  font-size: clamp(15px, 1vw, 16px);
  font-weight: 400;
  line-height: 1.6;
  text-align: center;
}

.about-intro__cards {
  position: relative;
  height: 290px;
  margin-top: 54px;
  z-index: 2;
}

.about-intro__cards .home-why__card {
  position: absolute;
  border: 1px solid rgba(0, 0, 0, .10);
  overflow: hidden;
  background: rgba(244, 247, 247, .48);
  border-radius: 10px;
  box-sizing: border-box;
  transition: transform .4s cubic-bezier(.22, .61, .36, 1), box-shadow .4s ease, border-color .4s ease, background .4s ease;
}

.about-intro__cards .home-why__card:hover {
  transform: translateY(-6px);
  background: #fff;
  border-color: rgba(115, 203, 199, .50);
  box-shadow: 0 18px 34px rgba(46, 56, 72, .12);
}

.about-intro__cards .home-why__card>div {
  position: absolute;
  left: 39px;
  top: 30px;
}

.about-intro__cards .home-why__card strong {
  display: block;
  color: #70cfd0;
  font-family: "Poppins", "PingFang SC", sans-serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: .01em;
}

.about-intro__cards .home-why__card p {
  margin: 8px 0 0;
  color: #343741;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}

.about-intro__cards .home-why__line-icon {
  position: absolute;
  color: #403586;
  transition: transform .4s cubic-bezier(.22, .61, .36, 1);
}

.about-intro__cards .home-why__card:hover .home-why__line-icon {
  transform: scale(1.08);
}

.about-intro__cards .home-why__line-icon img {
  width: 62px;
  height: 62px;
  object-fit: contain;
}

.about-intro__cards .home-why__card--users {
  left: 0;
  top: 0;
  width: 360px;
  height: 290px;
}

.about-intro__cards .home-why__card--users .home-why__line-icon {
  right: 30px;
  bottom: 30px;
}

.about-intro__cards .home-why__card--experience {
  left: 370px;
  top: 0;
  width: 360px;
  height: 140px;
}

.about-intro__cards .home-why__card--experience>div {
  left: 40px;
  top: 30px;
}

.about-intro__cards .home-why__card--experience .home-why__line-icon {
  right: 30px;
  bottom: 25px;
}

.about-intro__cards .home-why__card--grade {
  left: 740px;
  top: 0;
  width: 490px;
  height: 140px;
}

.about-intro__cards .home-why__card--grade>div {
  left: 40px;
  top: 29px;
}

.about-intro__cards .home-why__card--grade .home-why__line-icon {
  right: 32px;
  bottom: 27px;
}

.about-intro__cards .home-why__card--solution {
  left: 370px;
  top: 150px;
  width: 490px;
  height: 140px;
}

.about-intro__cards .home-why__card--solution>div {
  left: 40px;
  top: 32px;
}

.about-intro__cards .home-why__card--solution .home-why__line-icon {
  right: 28px;
  bottom: 31px;
}

.about-intro__cards .home-why__card--iso {
  left: 870px;
  top: 150px;
  width: 360px;
  height: 140px;
}

.about-intro__cards .home-why__card--iso>div {
  left: 40px;
  top: 32px;
}

.about-intro__cards .home-why__card--iso .home-why__line-icon {
  right: 29px;
  bottom: 30px;
}

.about-intro__cards .home-why__card--vda {
  right: 0;
  top: 0;
  width: 360px;
  height: 290px;
}

.about-intro__cards .home-why__card--vda>div {
  left: 40px;
  top: 29px;
}

.about-intro__cards .home-why__card--vda .home-why__line-icon {
  right: 29px;
  bottom: 31px;
}

.about-history {
  height: 678px;
  overflow: hidden;
  background: #fff url(../img/page/about-historybg.svg) center center no-repeat;
  background-size: cover;
}

.about-history .page-about__head {
  padding-top: 47px;
}

.about-history__swiper .swiper-slide {
  width: 540px;
}

.about-history__media {
  height: 198px;
  display: flex;
  justify-content: center;
  place-items: center;
  background: #ffffff;
  overflow: hidden;
}

.about-history__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-history__logo-text {
  color: #403586;
  font-family: "Poppins", Arial, sans-serif;
  font-size: 56px;
  font-weight: 700;
  letter-spacing: .02em;
}

.about-history__body {
  height: 140px;
  padding: 27px 30px 24px;
  background: #fff;
}

.about-history__body p {
  margin: 0;
  color: #494C53;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
}

.about-history__side-year::before {
  content: "";
  position: absolute;
  top: -24px;
  width: 1px;
  height: 78px;
  background: #73CBC7;
}

.about-history__side-year--left {
  left: max(40px, calc((100% - 1600px) / 2 + 40px));
}

.about-history__side-year--left::before {
  left: -40px;
}

.about-history__side-year--right {
  right: max(36px, calc((100% - 1600px) / 2 - 124px));
}

.about-history__side-year--right::before {
  left: -40px;
}

.about-history__dot {
  position: absolute;
  top: 10px;
  width: 29px;
  height: 29px;
  border: 1px solid #73CBC7;
  border-radius: 50%;
  background: #f7ffff;
  cursor: pointer;
  transform: translateX(-50%);
  z-index: 2;
}

.about-history__dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #73CBC7;
  transform: translate(-50%, -50%);
}

.about-history__dot::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 29px;
  width: 1px;
  height: 76px;
  background: #73CBC7;
  transform: translateX(-50%);
  opacity: .75;
}

.about-history__dot:not(.is-active) {
  border-color: transparent;
  background: transparent;
}

.about-history__dot:not(.is-active)::after {
  width: 14px;
  height: 14px;
  background: #cfd2d4;
}

.about-history__dot:not(.is-active)::before {
  height: 58px;
  background: #73CBC7;
  opacity: .6;
}

.about-history__dot--1 {
  left: max(160px, calc((100% - 1600px) / 2));
}

.about-history__dot--2 {
  left: max(740px, calc((100% - 1600px) / 2 + 580px));
}

.about-history__dot--3 {
  left: max(1316px, calc((100% - 1600px) / 2 + 1156px));
}

.about-history__dot--4 {
  left: max(1762px, calc((100% - 1600px) / 2 + 1602px));
}

.about-partners {
  height: 868px;
  overflow: hidden;
  background: radial-gradient(52vw 25vw at 50% 100%, rgba(115, 203, 199, .18) 0%, rgba(115, 203, 199, .09) 38%, rgba(115, 203, 199, 0) 72%),
    #fff;
}

.about-partners .page-about__head {
  padding-top: 55px;
}

.about-partners__desc {
  max-width: 980px;
  margin: 29px auto 0;
  color: #494C53;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  text-align: center;
}

/* Logo 数量由后台区块管理决定，改用 flex 换行 + 居中：
   末行不满时自动居中（7 个即 4+3 居中，与原手工布局一致），
   原先 grid 固定 4 列 + nth-child(5/6/7) 硬编码偏移，数量一变就错位。 */
.about-partners__grid {
  width: 1056px;
  margin: 35px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 19px;
  justify-content: center;
}

.about-partners__card {
  width: 250px;
  height: 250px;
  padding: 0;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  cursor: default;
  box-shadow: none;
  border: 1px solid rgba(0, 0, 0, .1);
  transition: transform .3s ease, box-shadow .3s ease;
}

.about-partners__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 32px rgba(46, 56, 72, .10);
}

.about-partners__card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 原 nth-child(5/6/7) 的 grid-column + margin-left:135px 已移除，
   末行居中由 .about-partners__grid 的 justify-content:center 统一处理。 */

/* 卡片宽度固定，flex 下不参与伸缩，保证换行位置稳定 */
.about-partners__card {
  flex: 0 0 250px;
}


.about-network {
  height: 940px;
  overflow: hidden;
  background: radial-gradient(46vw 24vw at 50% -8%, rgba(115, 203, 199, .12) 0%, rgba(115, 203, 199, 0) 70%),
    #fff;
}

.about-network .page-about__head {
  padding-top: 78px;
}

.about-network__desc {
  width: 960px;
  margin: 12px auto 0;
  color: #494C53;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.65;
  text-align: center;
}

.about-network__map {
  width: 1695px;
  height: 660px;
  margin: 60px auto 0;
  overflow: hidden;
  pointer-events: none;
}

.about-network__map img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-operation {
  min-height: 520px;
  padding: 75px 0 54px;
  background: radial-gradient(44vw 30vw at 105% 0%, rgba(64, 53, 134, .10) 0%, rgba(64, 53, 134, 0) 72%),
    #fff;
}

.about-operation__desc,
.about-team__desc {
  margin: 16px auto 0;
  color: #494C53;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.65;
  text-align: center;
}

.about-operation__desc {
  width: 1190px;
}

.about-operation__grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 44px;
}

.about-operation__card {
  min-height: 200px;
  padding: 30px 30px 30px;
  border: 1px solid rgba(0, 0, 0, .12);
  border-radius: 6px;
  background: #F4F7F7;
  box-shadow: 0 10px 24px rgba(28, 36, 48, 0);
  transition: transform .35s cubic-bezier(.22, .61, .36, 1), box-shadow .35s ease, border-color .35s ease, background .35s ease;
}

.about-operation__card:hover {
  transform: translateY(-6px);
  border-color: rgba(115, 203, 199, .48);
  background: #fff;
  box-shadow: 0 20px 40px rgba(28, 36, 48, .10);
}

.about-operation__top {
  display: flex;
  align-items: center;
  gap: 17px;
}

.about-operation__icon {
  width: 56px;
  height: 56px;
  border-radius: 4px;
  display: inline-grid;
  place-items: center;
  color: #403586;
  background: #fff;
  box-shadow: 0 10px 20px rgba(31, 38, 56, .12);
  flex: 0 0 56px;
}

.about-operation__icon svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-operation__icon .is-mint,
.about-team__icon .is-mint {
  stroke: #73CBC7;
}

.about-operation__card h3 {
  margin: 0;
  color: #403586;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
}

.about-operation__card p {
  margin: 42px 0 0;
  color: #70747C;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
}

.about-team {
  min-height: 620px;
  padding: 36px 0 84px;
  background: radial-gradient(48vw 26vw at 0% 100%, rgba(115, 203, 199, .13) 0%, rgba(115, 203, 199, 0) 72%),
    #fff;
}

.about-team__desc {
  width: 760px;
}

.about-team__grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 30px;
}

.about-team__card {
  height: 380px;
  padding: 76px 28px 28px;
  border: 1px solid rgba(0, 0, 0, .12);
  border-radius: 6px;
  background: rgba(255, 255, 255, .82);
  transition: transform .35s cubic-bezier(.22, .61, .36, 1), box-shadow .35s ease, border-color .35s ease, background .35s ease;
}

.about-team__card:hover {
  transform: translateY(-7px);
  border-color: rgba(115, 203, 199, .50);
  background: #fff;
  box-shadow: 0 22px 42px rgba(28, 36, 48, .10);
}

.about-team__icon {
  width: 88px;
  height: 88px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  color: #403586;
}

.about-team__icon svg {
  width: 74px;
  height: 74px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-team__card h3 {
  margin: 88px 0 0;
  color: #403586;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

.about-team__card p {
  margin: 10px 0 0;
  color: #70747C;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

.about-join {
  height: 769px;
  overflow: hidden;
  background: radial-gradient(50vw 28vw at 0% 0%, rgba(115, 203, 199, .14) 0%, rgba(115, 203, 199, 0) 72%),
    #fff;
}

.about-join__inner {
  width: min(1600px, calc(100% - 64px));
  height: 100%;
  margin: 0 auto;
  position: relative;
}

.about-join__content {
  position: absolute;
  left: 50%;
  top: 269px;
  width: 560px;
  transform: translateX(-50%);
  text-align: center;
  z-index: 3;
}

.about-join__content .page-about__head {
  padding-top: 0;
}

.about-join__content p {
  margin: 16px 0 0;
  color: #494C53;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.6;
}

.about-join__btn {
  width: 230px;
  height: 64px;
  margin: 35px auto 0;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 32px;
  color: #fff;
  background: #73CBC7;
  font-size: 16px;
  font-weight: 400;
  box-shadow: 0 15px 28px rgba(115, 203, 199, .23);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}

.about-join__btn span {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: #73CBC7;
  background: #fff;
  font-size: 24px;
  line-height: 1;
}

.about-join__btn:hover {
  color: #fff;
  background: #65c4c1;
  transform: translateY(-3px);
  box-shadow: 0 20px 36px rgba(115, 203, 199, .32);
}

.about-join__image {
  position: absolute;
  overflow: hidden;
  border-radius: 8px;
  background: #EEF3F3;
  box-shadow: 0 12px 26px rgba(28, 36, 48, .04);
}

.about-join__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s cubic-bezier(.22, .61, .36, 1);
}

.about-join__image:hover img {
  transform: scale(1.045);
}

.about-join__image--runner {
  left: 260px;
  top: 42px;
  width: 212px;
  height: 212px;
}

.about-join__image--team {
  left: 0;
  top: 368px;
  width: 410px;
  height: 237px;
}

.about-join__image--work {
  right: 0;
  top: 78px;
  width: 423px;
  height: 208px;
}

.about-join__image--office {
  right: 270px;
  top: 420px;
  width: 230px;
  height: 230px;
}

.about-history__card {
  height: 338px;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(46, 56, 72, .10);
  width: 100%;
  max-width: 540px;
}

.about-history__logo-text--small {
  font-size: 44px;
  line-height: 1.12;
  text-align: center;
}

.about-history__side-year {
  position: absolute;
  top: 23px;
  color: #403586;
  font-family: "Poppins", "PingFang SC", sans-serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .03em;
  z-index: 3;
  display: none !important;
}

.about-history__axis {
  position: absolute;
  left: 50%;
  right: auto;
  bottom: 51px;
  width: min(1760px, calc(100% - 80px));
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
}

.about-history__axis::before {
  content: "";
  position: absolute;
  height: 1px;
  background: #dfe2e4;
  left: 0;
  right: 0;
  top: 24px;
}

.about-history__dot,
.about-history__dot--1,
.about-history__dot--2,
.about-history__dot--3,
.about-history__dot--4 {
  position: relative;
  left: auto !important;
  top: auto;
  flex: 0 0 29px;
  transform: none;
}

.about-history__stage {
  width: 100%;
  margin: 43px auto 0;
  position: relative;
  height: 486px;
  overflow: hidden;
}

.about-history__swiper {
  width: min(1760px, calc(100% - 80px));
  margin: 0 auto;
  overflow: visible;
}

.about-history__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 60px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid #E2E4E8;
  border-radius: 50%;
  background: #fff;
  color: #333;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}

.about-history__arrow--prev {
  left: 20px;
}

.about-history__arrow--next {
  right: 20px;
}

.about-history__arrow svg {
  width: 14px;
  height: 12px;
  display: block;
}

.about-history__arrow:hover {
  background: #73CBC7;
  border-color: #73CBC7;
  color: #fff;
}

.about-history__arrow:disabled {
  opacity: .4;
  cursor: default;
}

.about-history__arrow:disabled:hover {
  background: #fff;
  border-color: #E2E4E8;
  color: #333;
}

.about-history__swiper .swiper-wrapper {
  align-items: stretch;
}

.about-history__swiper .swiper-slide-active,
.about-history__slide.swiper-slide-active {
  opacity: 1;
}

.about-history__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 540px));
  gap: 38px;
  justify-content: center;
  grid-column: 2;
  grid-row: 1;
}

.about-history__slide>.about-history__axis::before {
  content: "";
  position: absolute;
  left: 0 !important;
  right: 0 !important;
  top: 24px !important;
  height: 1px;
  background: #dfe2e4;
}

.about-history__slide .about-history__dot,
.about-history__slide .about-history__dot--start,
.about-history__slide .about-history__dot--card {
  position: relative !important;
  left: auto !important;
  top: 10px !important;
  bottom: auto !important;
  flex: none !important;
  justify-self: center;
  transform: none !important;
  pointer-events: auto;
}

.about-history__slide .about-history__dot--card {
  border-color: transparent;
  background: transparent;
}

.about-history__slide .about-history__dot--card::after {
  width: 14px;
  height: 14px;
  background: #cfd2d4;
}

.about-history__slide .about-history__dot--card::before {
  height: 58px;
  background: #73CBC7;
  opacity: .6;
}

.about-history__slide:not(.swiper-slide-active) .about-history__dot.is-active {
  border-color: transparent;
  background: transparent;
}

.about-history__slide:not(.swiper-slide-active) .about-history__dot.is-active::after {
  width: 14px;
  height: 14px;
  background: #cfd2d4;
}

.about-history__slide:not(.swiper-slide-active) .about-history__dot.is-active::before {
  height: 58px;
  background: #73CBC7;
  opacity: .6;
}

.about-history__slide>.about-history__axis {
  grid-column: 1 / -1;
  grid-row: 2;
  position: relative !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  width: 100% !important;
  height: 72px;
  margin: 0;
  padding: 0;
  display: grid !important;
  column-gap: 38px;
  align-items: start;
  transform: none !important;
  pointer-events: none;
  grid-template-columns: 250px minmax(0, 1fr) !important;
  justify-content: stretch !important;
  justify-items: stretch !important;
}

.about-history__slide .about-history__dot--card-1,
.about-history__slide .about-history__dot--card-2 {
  grid-column: 2 !important;
  justify-self: center !important;
}

.about-history__slide .about-history__dot--card-1 {
  grid-column: 2;
  cursor: default;
  margin-left: -289px !important;
}

.about-history__slide .about-history__dot--card-2 {
  grid-column: 3;
  cursor: default;
  margin-left: 289px !important;
}

.about-history__slide .about-history__dot--start.is-active::before {
  height: 76px !important;
  background: #73CBC7 !important;
  opacity: .75 !important;
}

.about-history__slide:not(.swiper-slide-active) .about-history__dot--start.is-active,
.about-history__slide:not(.swiper-slide-active) .about-history__dot--start.is-active::after,
.about-history__slide:not(.swiper-slide-active) .about-history__dot--start.is-active::before {
  pointer-events: auto;
}

.about-history__swiper .swiper-slide,
.about-history__slide {
  width: 100% !important;
  min-height: 430px;
  height: auto;
  display: grid !important;
  grid-template-columns: 250px minmax(0, 1fr);
  grid-template-rows: 338px 72px;
  column-gap: 38px;
  row-gap: 30px;
  align-items: start;
  transition: transform .45s ease !important;
  position: relative !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.about-history__slide::before {
  content: "";
  position: absolute;
  left: 0;
  top: -24px;
  width: 1px;
  height: 416px;
  background: linear-gradient(to bottom, #73CBC7 0 78px, #dfe2e4 78px 100%);
  pointer-events: none;
  z-index: 0;
}

.about-history__year {
  padding-left: 40px;
  color: #403586;
  font-family: "Poppins", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .03em;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  position: relative;
  z-index: 2;
}

.about-history__year::before {
  content: "";
  position: absolute;
  left: 0;
  top: -24px;
  width: 1px;
  height: 78px;
  background: #73CBC7;
  display: none !important;
}

.about-history__cards,
.about-history__slide>.about-history__axis {
  position: relative;
  z-index: 1;
}

.about-history__slide .about-history__dot--start {
  cursor: pointer;
  grid-column: 1 !important;
  justify-self: start !important;
  margin-left: -14px !important;
  z-index: 4;
}

.about-history__slide .about-history__dot--start::before,
.about-history__slide .about-history__dot--start.is-active::before {
  display: none !important;
}

.about-history__slide .about-history__dot--start.is-active {
  border-color: #73CBC7 !important;
  background: #f7ffff !important;
}

.about-history__slide .about-history__dot--start.is-active::after {
  width: 9px !important;
  height: 9px !important;
  background: #73CBC7 !important;
}

.about-slogan {
  height: 670px;
  background: #fff;
  overflow: hidden;
}

.about-slogan__inner {
  position: relative;
  width: min(1600px, calc(100% - 64px));
  height: 580px;
  margin: 40px auto 0;
  border-radius: 8px;
  overflow: hidden;
  background: url(../img/page/about-slogan-clean.jpg) center center / cover no-repeat;
  isolation: isolate;
}

.about-slogan__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(5, 72, 108, .20) 0%, rgba(5, 72, 108, .10) 36%, rgba(5, 72, 108, 0) 66%);
}

.about-slogan__content {
  position: absolute;
  z-index: 1;
  left: 60px;
  top: 246px;
  max-width: 880px;
  color: #fff;
}

.about-slogan__title {
  margin: 0;
  color: #fff;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: .02em;
  text-shadow: 0 2px 12px rgba(0, 55, 86, .18);
}

.about-slogan__desc {
  margin: 25px 0 0;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: .01em;
  text-shadow: 0 2px 12px rgba(0, 55, 86, .18);
}



@media (max-width: 1680px) {
  .about-history__side-year--right {
    right: 36px;
  }

  .about-history__dot--4 {
    left: calc(100% - 158px);
  }

  .about-network__map {
    width: min(1520px, calc(100% + 80px));
  }

  .about-join__image--runner {
    left: 230px;
  }

  .about-join__image--office {
    right: 240px;
  }
}

@media (max-width: 1480px) {

  .about-network__map {
    width: 100%;
    height: 540px;
    margin: 40px auto 0;
  }

  .about-partners__card {
    width: 240px;
    height: 180px;
    /* 同步 flex-basis，否则基础规则的 0 0 250px 会盖掉这里的 width */
    flex: 0 0 240px;
  }


  .about-intro__cards,
  .about-intro__cards .home-why__cards {
    height: 260px;
  }

  .about-intro__cards .home-why__card--users {
    width: 320px;
    height: 260px;
  }

  .about-intro__cards .home-why__card--experience {
    left: 330px;
    width: 320px;
    height: 125px;
  }

  .about-intro__cards .home-why__card--solution {
    left: 330px;
    top: 135px;
    width: 400px;
    height: 125px;
  }

  .about-intro__cards .home-why__card--grade {
    left: 660px;
    width: 380px;
    height: 125px;
  }

  .about-intro__cards .home-why__card--iso {
    left: 740px;
    top: 135px;
    width: 300px;
    height: 125px;
  }

  .about-intro__cards .home-why__card--vda {
    width: 364px;
    height: 260px;
  }

  .about-intro__cards .home-why__card>div {
    left: 30px;
    top: 20px;
  }

  .about-intro__cards .home-why__card--experience>div,
  .about-intro__cards .home-why__card--grade>div {
    left: 24px;
    top: 20px;
  }

  .about-intro__cards .home-why__card p {
    margin: 6px 0 0;
    font-size: 16px;
    line-height: 1.45;
  }

  .about-team__card {
    height: 340px;
    padding: 40px 24px 24px;
  }

  .about-team__card h3 {
    margin-top: 40px;
  }

  .about-history__body {
    width: 86%;
  }

  .about-history__card {
    height: 300px;
  }

  .about-history__media {
    height: 160px;
    display: flex;
    justify-content: center;
    place-items: center;
    background: #ffffff;
  }

  .about-history__body p {
    font-size: 15px;
    line-height: 1.5;
  }

  .about-history__body {
    padding: 20px 30px 24px;
  }

  .about-history__media img {}


}

@media (max-width: 1366px) {

  .page-banner--about .page-banner__inner,
  .page-about__inner,
  .about-slogan__inner {
    width: min(1180px, calc(100% - 48px));
  }




  .about-intro {
    height: auto;
    padding-bottom: 56px;
  }

  .about-history__side-year--left {
    left: 42px;
  }

  .about-history__side-year--right {
    right: 42px;
  }

  .about-partners {
    height: auto;
    padding-bottom: 80px;
  }

  .about-network,
  .about-join {
    height: auto;
  }

  .about-network {
    padding-bottom: 64px;
  }

  .about-operation,
  .about-team {
    min-height: auto;
  }

  .about-operation__desc,
  .about-team__desc,
  .about-network__desc {
    width: min(100%, 980px);
  }

  .about-operation__grid {
    gap: 24px;
  }

  .about-team__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }


  .about-team__card {
    height: 280px;
    padding-top: 30px;
  }

  .about-team__card h3 {
    margin-top: 44px;
  }

  .about-team__card p {
    margin: 8px 0 0;
    font-size: 15px;
    line-height: 1.4;
  }

  .about-team__icon {
    width: 64px;
    height: 64px;
  }

  .about-team__icon img {
    height: 64px;
  }

  .about-intro__cards .home-why__card--users {
    width: 280px;
  }

  .about-intro__cards .home-why__card--experience {
    left: 290px;
    width: 260px;
  }

  .about-intro__cards .home-why__card--solution {
    left: 290px;
    width: 300px;
  }

  .about-intro__cards .home-why__card--grade {
    left: 560px;
    width: 320px;
  }

  .about-intro__cards .home-why__card--iso {
    left: 600px;
    width: 280px;
  }

  .about-intro__cards .home-why__card--vda {
    width: 290px;
  }

  .home-why__card--vda {
    width: 290px;
  }

  .about-join {
    padding: 60px 0 70px;
  }

  .about-join__inner {
    height: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .about-join__content,
  .about-join__image,
  .about-join__image--runner,
  .about-join__image--team,
  .about-join__image--work,
  .about-join__image--office {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    width: auto;
    height: 230px;
    transform: none;
  }

  .about-join__content {
    grid-column: 1 / -1;
    grid-row: 1;
    width: min(660px, 100%);
    height: auto;
    margin: 0 auto 10px;
  }

  .about-history__swiper,
  .about-history__axis {
    width: min(1180px, calc(100% - 48px));
  }

  .about-history__year {
    padding-left: 28px;
    font-size: 36px;
  }

  .about-history__cards {
    gap: 28px;
  }

  .about-history__swiper {
    width: min(1180px, calc(100% - 48px));
  }

  .about-history__swiper .swiper-slide,
  .about-history__slide {
    grid-template-columns: 170px minmax(0, 1fr);
    grid-template-rows: 338px 72px;
    column-gap: 28px;
  }

  .about-history__card {
    width: 90%;
    max-width: 450px;
  }

  .about-history__slide>.about-history__axis {
    column-gap: 28px;
    grid-template-columns: 170px minmax(0, 1fr) !important;
  }

  .about-history__slide .about-history__dot--card-1 {
    margin-left: -252px !important;
  }

  .about-history__slide .about-history__dot--card-2 {
    margin-left: 252px !important;
  }

  .about-history__body p {
    font-size: 14px;
    line-height: 1.5;
  }

  .about-slogan {
    height: auto;
    padding: 40px 0 50px;
  }

  .about-slogan__inner {
    width: min(1180px, calc(100% - 48px));
    height: auto;
    aspect-ratio: 1600 / 580;
    margin-top: 0;
  }

  .about-slogan__content {
    left: 50px;
    top: 42%;
    transform: translateY(-8%);
    max-width: 720px;
  }

  .about-slogan__title {
    font-size: 32px;
  }

  .about-slogan__desc {
    margin-top: 20px;
    font-size: 20px;
  }

}

@media (max-width: 1024px) {
  .page-banner--about {
    height: 360px;
    background-position: 52% center;
  }

  .page-banner--about .page-banner__inner {
    padding-top: 130px;
  }

  .about-intro__desc {
    width: 100%;
  }

  .about-history__swiper .swiper-slide {
    width: 540px;
  }

  .about-history__side-year,
  .about-history__axis {
    display: none;
  }

  /* 宽度收窄后靠 flex 换行自然重排，无需再指定列数 */
  .about-partners__grid {
    width: calc(100% - 48px);
  }

  .about-operation__grid {
    grid-template-columns: 1fr;
  }

  .about-operation__card p {
    margin-top: 26px;
  }

  .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .about-network__map {
    height: auto;
    margin-top: 38px;
  }

  .about-history {
    height: auto;
    padding-bottom: 74px;
  }

  .about-history__swiper {
    width: calc(100% - 48px);
  }

  .about-history__year {
    padding-left: 24px;
  }

  .about-history__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .about-history__axis {
    display: none;
  }

  .about-history__stage {
    margin-top: 32px;
    height: auto;
    overflow: visible;
  }

  .about-history__swiper .swiper-slide,
  .about-history__slide {
    height: auto;
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    row-gap: 24px;
  }

  .about-history__year,
  .about-history__cards,
  .about-history__slide>.about-history__axis {
    grid-column: 1;
    grid-row: auto;
  }

  .about-history__slide>.about-history__axis {
    display: grid !important;
    column-gap: 0;
    width: 100% !important;
    height: 64px;
    margin-top: 4px;
    grid-template-columns: repeat(3, 1fr) !important;
  }

  .about-history__slide .about-history__dot--start,
  .about-history__slide .about-history__dot--card-1,
  .about-history__slide .about-history__dot--card-2 {
    justify-self: center !important;
    margin-left: 0 !important;
  }

  .about-history__slide::before {
    display: none;
  }

  .about-history__year::before {
    display: block !important;
  }

  .about-history__slide .about-history__dot--start {
    margin-left: 0 !important;
  }

  .about-history__slide .about-history__dot--start::before,
  .about-history__slide .about-history__dot--start.is-active::before {
    display: block !important;
  }

  .about-slogan__content {
    left: 34px;
    max-width: 620px;
  }

  .about-slogan__title {
    font-size: 28px;
  }

  .about-slogan__desc {
    font-size: 18px;
  }
}

@media (max-width: 767px) {
  .page-banner--about {
    height: 300px;
  }

  .page-banner--about .page-banner__inner,
  .page-about__inner,
  .about-slogan__inner {
    width: calc(100% - 32px);
  }

  .page-banner--about .page-banner__inner {
    padding-top: 104px;
  }

  .page-banner--about .page-banner__title {
    font-size: 30px;
  }

  .page-banner--about .page-banner__subtitle {
    max-width: 300px;
    font-size: 14px;
  }

  .page-about__breadcrumb {
    display: none;
  }

  .page-about__eyebrow {
    font-size: 13px;
  }

  .page-about__title {
    font-size: 30px;
  }

  .about-intro .page-about__head {
    padding-top: 48px;
  }

  .about-intro__desc {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.75;
  }

  .about-intro__cards {
    margin-top: 32px;
    grid-template-columns: 1fr;
  }

  .about-intro__cards .home-why__card,
  .about-intro__cards .home-why__card--users,
  .about-intro__cards .home-why__card--vda {
    height: 150px;
  }

  .about-history .page-about__head,
  .about-partners .page-about__head {
    padding-top: 42px;
  }

  .about-history__swiper .swiper-slide,
  .about-history__card {
    width: 100%;
  }

  .about-history__body p {
    font-size: 14px;
  }

  .about-partners__desc {
    margin-top: 20px;
    font-size: 14px;
  }

  .about-partners__grid {
    width: calc(100% - 32px);
    margin-top: 28px;
    gap: 14px;
  }

  /* 窄屏两列：flex basis 取半宽减半个 gap */
  .about-partners__card {
    width: auto;
    height: auto;
    flex: 0 0 calc(50% - 7px);
    aspect-ratio: 1 / 1;
  }

  .about-network .page-about__head,
  .about-operation,
  .about-team {
    padding-top: 46px;
  }

  .about-network__desc,
  .about-operation__desc,
  .about-team__desc {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.7;
  }

  .about-network {
    padding-bottom: 42px;
  }

  .about-operation,
  .about-team,
  .about-join {
    padding-bottom: 48px;
  }

  .about-operation__grid,
  .about-team__grid,
  .about-join__inner {
    grid-template-columns: 1fr;
  }

  .about-operation__card {
    min-height: auto;
    padding: 24px;
  }

  .about-operation__card h3 {
    font-size: 20px;
  }

  .about-operation__card p,
  .about-team__card p {
    font-size: 14px;
  }

  .about-team__card {
    height: auto;
    padding: 42px 24px 28px;
  }

  .about-team__card h3 {
    margin-top: 32px;
    font-size: 22px;
  }

  .about-join__content p {
    font-size: 15px;
    line-height: 1.75;
  }

  .about-join__btn {
    width: 210px;
    height: 58px;
    padding-left: 24px;
    font-size: 15px;
  }

  .about-join__btn span {
    width: 40px;
    height: 40px;
  }

  .about-join__image,
  .about-join__image--runner,
  .about-join__image--team,
  .about-join__image--work,
  .about-join__image--office {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .about-history__swiper {
    width: calc(100% - 32px);
  }

  .about-history__year {
    font-size: 32px;
  }

  .about-history__cards {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .about-history__card {
    height: auto;
    max-width: none;
  }

  .about-history__media {
    height: 170px;
  }

  .about-history__body {
    height: auto;
    padding: 22px 22px 24px;
  }

  .about-slogan {
    padding: 34px 0 42px;
  }

  .about-slogan__inner {
    width: calc(100% - 32px);
    min-height: 260px;
    aspect-ratio: auto;
    background-position: center center;
  }

  .about-slogan__inner::before {
    background: linear-gradient(90deg, rgba(4, 61, 91, .20) 0%, rgba(4, 61, 91, .08) 72%, rgba(4, 61, 91, 0) 100%);
  }

  .about-slogan__content {
    left: 24px;
    right: 24px;
    top: 50%;
    max-width: none;
    transform: translateY(-50%);
  }

  .about-slogan__title {
    font-size: 24px;
    line-height: 1.25;
  }

  .about-slogan__desc {
    margin-top: 14px;
    max-width: 280px;
    font-size: 15px;
    line-height: 1.55;
  }
}