.page-about {
  --about-gold: #D4A24C;
  --about-gold-bright: #F2C94C;
  --about-cyan: #00E5FF;
  --about-deep: #0A1E3F;
  --about-navy: #102A4C;
  --about-navy-lighter: #17365F;
  --about-crimson: #8C1D2F;
  --about-moon: #EAECEE;
  --about-ink: #1F2429;
  --about-white: #FFFFFF;
  color: var(--about-white);
  background-color: var(--about-deep);
  overflow-x: hidden;
}
.page-about a {
  color: var(--about-cyan);
  text-decoration: none;
}
.page-about a:hover {
  color: var(--about-gold-bright);
}
.page-about .page-about__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space);
}
.page-about .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 96px;
  padding-bottom: 24px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}
.page-about .breadcrumbs a {
  color: var(--about-gold);
}
.page-about .breadcrumbs__sep {
  color: rgba(255,255,255,0.4);
}

/* 首屏封面 */
.page-about .about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 40px 0 72px;
  position: relative;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 20px;
  right: -10%;
  width: 55%;
  height: 68%;
  background: linear-gradient(135deg, rgba(212,162,76,0.16), rgba(0,229,255,0.05) 60%);
  clip-path: polygon(18% 12%, 100% 0, 94% 100%, 0 86%);
  pointer-events: none;
}
.page-about .about-hero__copy {
  position: relative;
  z-index: 1;
}
.page-about .section-kicker {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--about-gold);
  margin: 0 0 16px;
}
.page-about .about-hero__title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.16;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.page-about .about-hero__title span {
  display: block;
  font-size: clamp(18px, 2.4vw, 28px);
  font-weight: 500;
  color: var(--about-gold);
  margin-top: 10px;
  letter-spacing: 0.04em;
}
.page-about .about-hero__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,0.82);
  max-width: 600px;
  margin: 0 0 28px;
}
.page-about .about-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s, transform 0.2s;
}
.page-about .btn--gold {
  background: var(--about-gold);
  color: var(--about-deep);
}
.page-about .btn--gold:hover {
  background: var(--about-gold-bright);
  color: var(--about-deep);
}
.page-about .btn--outline {
  border: 1px solid var(--about-gold);
  color: var(--about-gold-bright);
}
.page-about .btn--outline:hover {
  border-color: var(--about-gold-bright);
  color: var(--about-deep);
  background: var(--about-gold);
}
.page-about .quick-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--about-gold-bright);
  position: relative;
}
.page-about .quick-link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 8px;
  height: 2px;
  background: linear-gradient(to right, var(--about-gold), transparent);
}
.page-about .quick-link--hot {
  color: var(--about-gold);
}
.page-about .quick-link--hot::after {
  background: linear-gradient(to right, var(--about-crimson), var(--about-gold));
}
.page-about .about-hero__visual {
  position: relative;
  min-height: 220px;
  display: none;
}
@media (min-width: 860px) {
  .page-about .about-hero {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    padding: 56px 0 88px;
  }
  .page-about .about-hero__visual {
    display: block;
    position: relative;
  }
}
.page-about .about-hero__img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--radius);
  position: relative;
  z-index: 2;
  border: 1px solid rgba(212,162,76,0.5);
}
.page-about .about-hero__fort {
  position: absolute;
  top: 4px;
  left: 20px;
  width: 280px;
  height: 180px;
  border-radius: var(--radius);
  background-image: linear-gradient(to right, rgba(212,162,76,0.28) 1px, transparent 1px), linear-gradient(to right, rgba(212,162,76,0.12) 1px, transparent 1px);
  background-size: 44px 100%, 11px 100%;
  background-position: left top;
  border-left: 1px solid rgba(212,162,76,0.5);
  border-bottom: 1px solid rgba(212,162,76,0.3);
  z-index: 1;
}
.page-about .about-hero__stamp {
  position: absolute;
  right: -8px;
  bottom: -12px;
  z-index: 3;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 34px;
  color: rgba(242,201,76,0.16);
  letter-spacing: 0.08em;
  border: 1px solid rgba(212,162,76,0.5);
  border-radius: 6px;
  padding: 4px 14px 2px;
  transform: rotate(-6deg);
  background: rgba(10,30,63,0.7);
}

/* 品牌起源 */
.page-about .about-origin {
  padding: 64px 0;
  position: relative;
  border-top: 1px solid rgba(212,162,76,0.22);
}
.page-about .about-origin__heading {
  max-width: 560px;
}
.page-about .section-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.2;
  margin: 0 0 16px;
}
.page-about .section-desc {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.74);
  margin: 0;
}
.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 40px;
}
@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: start;
  }
}
.page-about .about-origin__story p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,0.82);
  margin: 0 0 18px;
}
.page-about .about-origin__quote {
  font-size: 18px;
  font-weight: 700;
  color: var(--about-gold-bright);
  line-height: 1.7;
  padding-left: 20px;
  border-left: 3px solid var(--about-gold);
  margin-top: 28px;
}
.page-about .about-origin__panel {
  background: rgba(16,42,76,0.72);
  border: 1px solid rgba(212,162,76,0.25);
  border-radius: var(--radius);
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
}
.page-about .about-origin__panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 92px;
  height: 92px;
  background: repeating-linear-gradient(135deg, rgba(212,162,76,0.16) 0 2px, transparent 2px 8px);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}
.page-about .about-origin__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.page-about .about-origin__stats li {
  border-left: 2px solid rgba(212,162,76,0.7);
  padding-left: 12px;
}
.page-about .about-origin__stats strong {
  display: block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 30px;
  color: var(--about-gold-bright);
  line-height: 1.2;
}
.page-about .about-origin__stats span {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255,255,255,0.68);
  margin-top: 4px;
}

/* 发展里程碑 */
.page-about .about-milestones {
  padding: 72px 0 48px;
  border-top: 1px solid rgba(212,162,76,0.22);
  background: linear-gradient(180deg, rgba(10,30,63,0), rgba(10,30,63,1) 12%, rgba(10,30,63,1) 88%, rgba(10,30,63,0));
}
.page-about .about-milestones__header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 44px;
}
@media (min-width: 860px) {
  .page-about .about-milestones__header {
    grid-template-columns: 0.7fr 1.3fr;
    align-items: end;
  }
}
.page-about .about-milestones__intro {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.76);
  margin: 0;
  padding-left: 0;
  border-left: 0;
}
@media (min-width: 860px) {
  .page-about .about-milestones__intro {
    padding-left: 28px;
    border-left: 2px solid var(--about-gold);
  }
}
.page-about .about-timeline {
  position: relative;
  overflow-x: auto;
  padding-bottom: 22px;
  scrollbar-width: thin;
  scrollbar-color: rgba(212,162,76,0.5) rgba(255,255,255,0.08);
}
.page-about .about-timeline::-webkit-scrollbar {
  height: 5px;
}
.page-about .about-timeline::-webkit-scrollbar-thumb {
  background: rgba(212,162,76,0.5);
  border-radius: 4px;
}
.page-about .about-timeline::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.08);
}
.page-about .about-timeline__rail {
  position: relative;
  min-width: 860px;
  height: 380px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .about-timeline__axis {
  position: absolute;
  left: 40px;
  right: 40px;
  bottom: 72px;
  height: 3px;
  background: linear-gradient(90deg, rgba(212,162,76,0.2), var(--about-gold) 25%, var(--about-gold) 75%, rgba(212,162,76,0.2));
  transform: translateY(1.5px);
}
.page-about .about-timeline__axis::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(90deg, transparent 0 18px, rgba(10,30,63,0.9) 18px 22px);
  opacity: 0.3;
}
.page-about .about-timeline__node {
  position: absolute;
  bottom: 72px;
  left: var(--node-x);
  width: 180px;
  transform: translateX(-50%);
}
.page-about .about-timeline__node--start {
  left: 0;
  transform: none;
}
.page-about .about-timeline__node--end {
  left: calc(100% - 180px);
  transform: none;
}
.page-about .about-timeline__dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--about-deep);
  border: 4px solid var(--about-gold);
  box-shadow: 0 0 0 5px rgba(212,162,76,0.18), 0 0 16px rgba(0,229,255,0.45);
  position: relative;
  z-index: 2;
  margin: 0 auto 18px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.page-about .about-timeline__node:hover .about-timeline__dot {
  transform: scale(1.3);
  box-shadow: 0 0 0 8px rgba(212,162,76,0.2), 0 0 24px rgba(0,229,255,0.75);
}
.page-about .about-timeline__card {
  background: rgba(16,42,76,0.78);
  border: 1px solid rgba(212,162,76,0.25);
  border-radius: var(--radius);
  padding: 18px 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.25s, background-color 0.25s;
}
.page-about .about-timeline__node:hover .about-timeline__card {
  border-color: rgba(242,201,76,0.55);
  background-color: rgba(23,54,95,0.85);
}
.page-about .about-timeline__card time {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 14px;
  color: var(--about-gold-bright);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  padding: 2px 10px;
  border: 1px solid rgba(212,162,76,0.4);
  border-radius: 999px;
}
.page-about .about-timeline__card h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  margin: 0 0 8px;
}
.page-about .about-timeline__card p {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255,255,255,0.72);
  margin: 0;
  font-family: var(--font-body);
}
.page-about .about-timeline__card a {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
}
.page-about .about-timeline__hint {
  text-align: center;
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  margin: 14px 0 0;
}

/* 资料库使命 */
.page-about .about-library {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 80px 0;
  border-top: 1px solid rgba(212,162,76,0.22);
}
@media (min-width: 960px) {
  .page-about .about-library {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
  }
}
.page-about .about-library__media {
  position: relative;
}
.page-about .about-library__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(212,162,76,0.35);
  display: block;
}
.page-about .about-library__badge {
  position: absolute;
  right: -14px;
  bottom: -18px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: rgba(10,30,63,0.92);
  border: 2px solid var(--about-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 25px;
  color: var(--about-gold-bright);
  box-shadow: 0 0 28px rgba(0,229,255,0.3);
}
.page-about .about-library__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,0.82);
  margin: 0 0 28px;
}
.page-about .about-library__list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 1100px) {
  .page-about .about-library__list {
    grid-template-columns: 1fr 1fr;
  }
}
.page-about .about-library__list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 16px;
  background: rgba(16,42,76,0.6);
  border-left: 3px solid var(--about-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.page-about .about-library__num {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 22px;
  color: rgba(242,201,76,0.7);
}
.page-about .about-library__list h3 {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
}
.page-about .about-library__list p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
  margin: 0;
}
.page-about .about-library__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* 服务与合规 */
.page-about .about-service {
  padding: 72px 0 88px;
  border-top: 1px solid rgba(212,162,76,0.22);
  margin-bottom: 48px;
}
.page-about .about-service__header {
  max-width: 680px;
  margin-bottom: 44px;
}
.page-about .about-service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 860px) {
  .page-about .about-service__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-about .about-service__card {
  background: rgba(16,42,76,0.65);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}
.page-about .about-service__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 70px;
  border-left: 1px solid rgba(212,162,76,0.4);
  border-bottom: 1px solid rgba(212,162,76,0.4);
  background: linear-gradient(135deg, transparent 30%, rgba(212,162,76,0.16) 30%);
}
.page-about .about-service__card--compliance {
  border-bottom: 3px solid var(--about-cyan);
}
.page-about .about-service__card--channel {
  border-bottom: 3px solid var(--about-gold);
}
.page-about .about-service__card--culture {
  border-bottom: 3px solid var(--about-crimson);
}
.page-about .about-service__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--about-gold-bright);
  border: 1px solid rgba(212,162,76,0.4);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 18px;
}
.page-about .about-service__card h3 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 12px;
}
.page-about .about-service__card p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.74);
  margin: 0;
}
.page-about .about-service__contact {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}
@media (min-width: 1200px) {
  .page-about .about-service__contact {
    grid-template-columns: 1fr;
  }
}
.page-about .about-service__contact a {
  color: var(--about-gold-bright);
  font-weight: 700;
}
.page-about .about-service__bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 46px;
  padding: 32px;
  background: linear-gradient(120deg, rgba(16,42,76,0.85), rgba(10,30,63,0.9));
  border: 1px solid rgba(212,162,76,0.3);
  border-radius: var(--radius);
}
@media (min-width: 860px) {
  .page-about .about-service__bottom {
    grid-template-columns: 0.7fr 1.3fr;
    align-items: center;
  }
}
.page-about .about-service__image-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(212,162,76,0.3);
  display: block;
}
.page-about .about-service__statement p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255,255,255,0.82);
  margin: 0 0 12px;
}
.page-about .about-service__note {
  font-size: 14px;
  color: rgba(255,255,255,0.58);
}
.page-about .about-service__statement .btn {
  margin-top: 10px;
}

@media (max-width: 640px) {
  .page-about .page-about__inner {
    padding: 0 20px;
  }
  .page-about .breadcrumbs {
    padding-top: 84px;
    font-size: 13px;
  }
  .page-about .about-timeline__rail {
    min-width: 720px;
  }
  .page-about .about-library__badge {
    right: 8px;
    bottom: -18px;
    width: 92px;
    height: 92px;
    font-size: 20px;
  }
  .page-about .about-service__bottom {
    padding: 22px;
  }
}
@media (min-width: 1400px) {
  .page-about .page-about__inner {
    padding: 0 48px;
  }
}
.page-about [data-reveal] {
  transition: opacity 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.page-about [data-reveal="visible"] {
  opacity: 1;
  transform: none;
}
.page-about .about-origin__panel,
.page-about .about-timeline__card,
.page-about .about-service__card {
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
}

.page-about {
  --node-x: inherit;
}