.section-heading {
  text-align: center;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.section-heading__zh {
  font-family: 'Alibaba PuHuiTi 3.0', 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: var(--fs-h2); 
  font-weight: 700;
  color: var(--color-text);          
  letter-spacing: 0.02em;
  line-height: 1.25;
  margin: 0 0 8px;
}

.section-heading__en {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(16px, 1.8vw, 24px);
  font-weight: 400;
  color: var(--color-text-secondary); 
  line-height: 1.6;
  margin: 0;
  text-transform: capitalize;
}


.about-banner {
  position: relative;
  overflow: hidden;
  min-height: 700px;
  display: flex;
  align-items: flex-start;
  
  background: #cce4ff url(../assets/images/about/banner-building.jpg?t=20260720160142) no-repeat right bottom / cover;
  scroll-margin-top: var(--header-h);
}


.about-banner__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  padding-top: clamp(96px, 14vw, 220px);
  padding-bottom: clamp(48px, 6vw, 80px);
  padding-left: max(clamp(16px, 3vw, 40px), calc((100% - var(--container-max)) / 2 + 40px));
  padding-right: clamp(16px, 3vw, 40px);
}


.about-banner__copy {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: flex-start;
  max-width: 800px;
}


.about-banner__title {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.about-banner__title span:first-child {
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.36;
}

.about-banner__title span:last-child {
  font-size: clamp(20px, 2.8vw, 36px);
  line-height: 1.43;
}


.about-profile {
  background: #fff;
  padding: var(--space-section) 0;
  scroll-margin-top: var(--header-h);
}

.about-profile__inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}


.about-profile__body {
  display: flex;
  gap: clamp(24px, 4vw, 60px);
  align-items: flex-start;
}


.about-profile__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 34px;
  min-width: 0;
}


.about-profile__subtitle {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}


.about-profile__desc {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(14px, 1.4vw, 20px);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.8;
  text-align: justify;
  margin: 0;
}


.about-profile__since {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  color: #bfcee9;
}

.about-profile__since-label {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(14px, 1.6vw, 28px);
  font-weight: 400;
  line-height: 1;
}

.about-profile__since-year {
  
  font-family: 'DIN Alternate', 'DIN', 'Arial', sans-serif;
  font-size: clamp(36px, 5vw, 80px);
  font-weight: 700;
  line-height: 1;
  opacity: 0.7;
  letter-spacing: -0.014em;
}


.about-profile__figure {
  flex-shrink: 0;
  width: clamp(260px, 34%, 468px);
  
  background: #fff;
  border: 1px solid #edeff8;
  padding: 10px;
  box-sizing: border-box;
}

.about-profile__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 397 / 257;
}


@media (max-width: 767px) {
  
  .about-banner {
    min-height: 440px;
  }

  .about-banner__inner {
    padding-top: clamp(48px, 16vw, 120px);
    padding-bottom: 40px;
  }

  .about-banner__copy {
    gap: 28px;
    max-width: 100%;
  }

  .about-banner__title {
    gap: 10px;
  }

  
  .about-profile__body {
    flex-direction: column;
  }

  .about-profile__figure {
    width: 100%;
    max-width: 100%;
  }
}


@media (min-width: 768px) and (max-width: 1279px) {
  .about-banner {
    min-height: 560px;
  }

  .about-profile__figure {
    width: 30%;
  }
}


.about-brand {
  background: #f6f9ff url(../assets/images/about/brand-meaning-bg.jpg?t=20260720160142) no-repeat center bottom / cover;
  padding: var(--space-section) 0 0;
  scroll-margin-top: var(--header-h);
  overflow: hidden;
}

.about-brand__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}


.about-brand__title {
  font-family: 'Alibaba PuHuiTi 3.0', 'PingFang SC', -apple-system, sans-serif;
  font-size: clamp(22px, 2.6vw, 40px);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  line-height: 1.25;
  text-align: center;
  margin: 0 0 clamp(16px, 2vw, 28px);
}


.about-brand__formula {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin: 0 0 clamp(20px, 2.5vw, 40px);
  flex-wrap: wrap;
}


.about-brand__formula-name {
  font-family: 'Alibaba PuHuiTi 3.0', 'PingFang SC', -apple-system, sans-serif;
  font-size: clamp(22px, 2.6vw, 40px);
  font-weight: 700;
  background: linear-gradient(132.72deg, #0264fd 38.52%, #0b91ff 88.25%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.5;
}


.about-brand__formula-eq {
  font-family: 'PingFang SC', -apple-system, sans-serif;
  font-size: clamp(18px, 2vw, 30px);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}


.about-brand__desc {
  font-family: 'PingFang SC', -apple-system, sans-serif;
  font-size: clamp(14px, 1.2vw, 20px);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 2.2;
  text-align: center;
  max-width: 940px;
  margin: 0 0 clamp(32px, 4vw, 60px);
}


.about-brand__diagram {
  display: flex;
  justify-content: center;
  width: 100%;
}

.about-brand__diagram-img {
  display: block;
  width: 100%;
  height: auto;
}


.about-culture {
  background: #fff;
  padding: var(--space-section) 0;
  scroll-margin-top: var(--header-h);
}

.about-culture__inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}


.about-culture__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  gap: 20px;
  align-items: stretch;
}


.about-culture__left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}


.culture-card {
  position: relative;
  background: var(--color-bg-alt);  
  border-radius: 20px;
  overflow: hidden;
  box-sizing: border-box;
}


.culture-card__body {
  position: relative;
  z-index: 2;
  padding: 30px 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}


.culture-card__title {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(20px, 1.8vw, 26px);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.69; 
  margin: 0;
}


.culture-card__desc {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(14px, 1.25vw, 18px);
  font-weight: 400;
  color: var(--color-text);
  line-height: 2.22; 
  margin: 0;
}


.culture-card__deco {
  position: absolute;
  right: -10%;
  bottom: -10%;
  width: 50%;
  aspect-ratio: 1 / 1;
  pointer-events: none;
  z-index: 1;
}

.culture-card__deco img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


.culture-card--vision,
.culture-card--mission {
  flex: 1;
  min-height: 200px;
}


.culture-card--values {
  height: 100%;
  min-height: 420px;
}


.culture-values__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 17px;
}

.culture-values__item {
  display: flex;
  flex-direction: column;
  gap: 0;
}


.culture-values__name {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(14px, 1.25vw, 18px);
  font-weight: 600;
  color: var(--color-text);
  line-height: 2.22;
  margin: 0;
}


.culture-values__desc {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 2.22;
  margin: 0;
}


@media (max-width: 767px) {
  
  .about-culture__grid {
    grid-template-columns: 1fr;
  }

  

  
  .culture-card--vision,
  .culture-card--mission {
    flex: none;
    min-height: unset;
  }

  
  .culture-card--values {
    height: auto;
    min-height: unset;
  }

  
  .culture-card__body {
    padding: 24px 24px;
  }
}


@media (min-width: 768px) and (max-width: 1279px) {
  .culture-card__body {
    padding: 24px 28px;
  }
}


.about-history {
  position: relative;
  
  background: linear-gradient(180deg, #ffffff 0%, #f9f9f9 84%, #fdfeff 100%);
  padding: var(--space-section) 0;
  scroll-margin-top: var(--header-h);
  overflow: hidden;
}


.about-history__bg {
  position: absolute;
  inset: 0;
  background: url('../assets/images/about/history-bg-texture.png?t=20260720160142') center bottom / contain no-repeat;
  pointer-events: none;
}

.about-history__inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}


.history-curve-wrap {
  position: relative;
  
  height: 520px;
  width: 100%;
}


.history-curve__img {
  position: absolute;
  left: 50%;
  
  top: 50%;
  transform: translate(-50%, -40%);
  
  width: 100%;
  max-width: 1382px;
  height: auto;
  pointer-events: none;
  display: block;
}


.history-node {
  position: absolute;
  display: flex;
  align-items: center;
  
  flex-direction: column;
  
  gap: 56px;
  
  text-align: center;
  width: 248px;
  
  transform: translateX(-50%);
}


.history-node--above {
  flex-direction: column;
}


.history-node--below {
  flex-direction: column;
}


.history-node__dot {
  flex-shrink: 0;
  position: relative;
  width: 32px;
  height: 32px;
  z-index: 2;
}


.history-node__dot::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #0264fd;
  box-sizing: border-box;
  transform: translate(-50%, -50%);
  transition: width 0.25s ease, height 0.25s ease, box-shadow 0.25s ease;
  z-index: 2;
}


.history-node__dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: #0264fd;
  transform: translate(-50%, -50%);
  transition: width 0.25s ease, height 0.25s ease;
  z-index: 3;
}


.history-node:hover .history-node__dot::before {
  width: 50px;
  height: 50px;
  box-shadow: 0 4px 16px rgba(2, 100, 253, 0.30);
}

.history-node:hover .history-node__dot::after {
  width: 18px;
  height: 18px;
}


.history-node__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border: 2px solid transparent;
  border-radius: 20px;
  background: transparent;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}


.history-node:hover .history-node__card {
  background: #fff;
  border-color: #0264fd;
  box-shadow: 2px 4px 8px rgba(142, 167, 210, 0.25);
}


.history-node__card::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 2px;
  height: 56px;
  background: #0264fd;
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 1;
}

.history-node--above .history-node__card::after {
  top: 100%;
  transform-origin: top;
}

.history-node--below .history-node__card::after {
  bottom: 100%;
  transform-origin: bottom;
}

.history-node:hover .history-node__card::after {
  opacity: 1;
  transform: translateX(-50%) scaleY(1);
}


.history-node__year {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(14px, 1.2vw, 20px);
  font-weight: 600;
  color: #0264fd;
  line-height: 1.6;
  margin: 0;
  white-space: nowrap;
}


.history-node__title {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(13px, 1.1vw, 18px);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
  white-space: nowrap;
}


.history-node__desc {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(11px, 0.85vw, 14px);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.875;
  margin: 0;
  width: 190px;
  text-align: center;
}




.history-node--1 {
  left: 10%;
  bottom: 15%;
}


.history-node--2 {
  left: 26%;
  top: 61%;
}


.history-node--3 {
  left: 41%;
  bottom: 27%;
}


.history-node--4 {
  left: 58%;
  top: 42%;
}


.history-node--5 {
  left: 75%;
  bottom: 38%;
}


.history-node--6 {
  left: 92%;
  top: 35%;
}


.history-list {
  display: none;
}




@media (max-width: 1279px) {
  
  .history-curve-wrap {
    display: none;
  }

  
  .history-list {
    display: flex;
    flex-direction: column;
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
  }

  
  .history-list::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, #0264fd 0%, #c0d8ff 100%);
    border-radius: 1px;
  }

  
  .history-list__item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 0 0 28px 0;
  }

  .history-list__item:last-child {
    padding-bottom: 0;
  }

  
  .history-list__dot {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #0264fd;
    border: 5px solid #fff;
    box-shadow: 0 0 0 2px #0264fd;
    position: relative;
    z-index: 2;
    margin-top: 0;
  }

  
  .history-list__dot--featured {
    background: #0264fd;
    border: 6px solid #fff;
    box-shadow: 0 0 0 3px #0264fd, 0 4px 12px rgba(2, 100, 253, 0.35);
  }

  
  .history-list__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    padding-top: 4px;
  }

  
  .history-list__year {
    font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #0264fd;
    line-height: 1.6;
    margin: 0;
  }

  
  .history-list__title {
    font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
  }

  
  .history-list__desc {
    font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin: 0;
  }
}


.about-honors {
  background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
  padding: var(--space-section) 0;
  scroll-margin-top: var(--header-h);
}

.about-honors__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(32px, 4vw, 56px);
}


.honors-heading {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 30px);
  justify-content: center;
  width: 100%;
}


.honors-heading::before,
.honors-heading::after {
  content: '';
  flex: 0 1 clamp(40px, 6vw, 120px);
  height: 2px;
  background: linear-gradient(90deg, transparent, #0264fd 80%);
  border-radius: 1px;
  opacity: 0.4;
}

.honors-heading::after {
  background: linear-gradient(270deg, transparent, #0264fd 80%);
}

.honors-heading__text {
  font-family: 'Alibaba PuHuiTi 3.0', 'PingFang SC', -apple-system, sans-serif;
  font-size: clamp(24px, 3vw, 46px);
  font-weight: 700;
  color: #000;
  line-height: 1.25;
  margin: 0;
  white-space: nowrap;
  letter-spacing: 0.02em;
}


.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 3vw, 60px);
  width: 100%;
  max-width: 1082px;
}


.honor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 1.5vw, 20px);
  background: linear-gradient(180deg, #f4f8fe 0%, #f0f6fe 64.8%, #e8f2ff 100%);
  border: 1px solid #e0ecff;
  border-radius: 20px;
  padding: clamp(16px, 2vw, 32px) clamp(12px, 1.5vw, 24px);
  box-sizing: border-box;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.honor-card:hover {
  box-shadow: 0 8px 32px rgba(2, 100, 253, 0.12);
  transform: translateY(-4px);
}


.honor-card__img-wrap {
  width: 100%;
  height: clamp(140px, 16vw, 260px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.honor-card__img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}


.honor-card__label {
  font-family: 'PingFang SC', 'PingFangSC', -apple-system, sans-serif;
  font-size: clamp(13px, 1.2vw, 20px);
  font-weight: 400;
  color: var(--color-text); 
  line-height: 2.2; 
  text-align: center;
  margin: 0;
  white-space: nowrap;
}


@media (min-width: 768px) and (max-width: 1279px) {
  .honors-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
  }
}


@media (max-width: 767px) {
  .honors-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: 100%;
  }

  .honor-card {
    border-radius: 14px;
    padding: 14px 10px;
  }

  .honor-card__img-wrap {
    height: clamp(80px, 22vw, 140px);
  }

  .honor-card__label {
    font-size: 13px;
    line-height: 1.8;
  }

  .honors-heading__text {
    font-size: clamp(20px, 6vw, 28px);
  }
}