.page-about {
  --about-glow-purple: rgba(177, 75, 255, 0.32);
  --about-glow-green: rgba(0, 229, 160, 0.22);
  --about-glow-gold: rgba(255, 215, 0, 0.18);
  --about-chapter-sidebar: 190px;
  background: linear-gradient(180deg, var(--c-deep-sea) 0%, var(--c-dark-night-purple) 30%, var(--c-deep-sea) 68%, var(--c-deep-black-blue) 100%);
  overflow-x: hidden;
}

.page-about .container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 20px;
}

/* 面包屑 */
.page-about .breadcrumb {
  padding-block: 24px 0;
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--c-blue-gray);
}

.page-about .breadcrumb__link {
  color: var(--c-neon-purple);
  text-decoration: none;
  transition: color var(--transition);
}

.page-about .breadcrumb__link:hover {
  color: var(--c-electric-green);
}

.page-about .breadcrumb__item[aria-current="page"] {
  color: var(--c-soft-white);
}

/* 特稿封面 */
.page-about .about-hero {
  position: relative;
  padding: 48px 0 0;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(177, 75, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(177, 75, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  right: -100px;
  top: 20px;
  background: radial-gradient(circle, var(--about-glow-purple), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  position: relative;
  z-index: 1;
}

.page-about .about-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-neon-purple);
  text-shadow: 0 0 12px var(--about-glow-purple);
}

.page-about .about-hero__title {
  margin: 0 0 16px;
}

.page-about .about-hero__title-main {
  display: block;
  font-family: var(--font-headline);
  font-size: 2.6rem;
  line-height: 0.95;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -1px;
  color: var(--c-soft-white);
  text-shadow: 0 0 24px var(--about-glow-purple), 0 4px 0 rgba(177, 75, 255, 0.15);
}

.page-about .about-hero__title-sub {
  display: block;
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--c-electric-green);
  text-shadow: 0 0 14px var(--about-glow-green);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 42em;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-soft-white);
}

.page-about .about-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .about-hero__facts {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--c-neon-purple);
  border-bottom: 1px solid rgba(177, 75, 255, 0.3);
}

.page-about .about-hero__fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.page-about .about-hero__fact:last-child {
  border-bottom: 0;
}

.page-about .about-hero__fact dt {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-blue-gray);
}

.page-about .about-hero__fact dd {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 700;
  font-style: italic;
  color: var(--c-soft-white);
}

.page-about .about-hero__cta {
  align-self: flex-start;
}

.page-about .about-hero__scanline {
  height: 4px;
  margin-top: 40px;
  background: linear-gradient(90deg, transparent, var(--c-neon-purple), var(--c-electric-green), transparent);
  position: relative;
}

.page-about .about-hero__scanline::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 20%;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-neon-purple), transparent);
  opacity: 0.3;
}

/* 杂志布局 */
.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 48px;
  padding-bottom: 64px;
  position: relative;
  z-index: 1;
}

/* 章节导航（移动端横滑） */
.page-about .about-chapters {
  border-bottom: 1px solid rgba(177, 75, 255, 0.25);
  padding-bottom: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-chapters__label {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: var(--c-neon-purple);
  font-style: italic;
}

.page-about .about-chapters__list {
  display: flex;
  flex-direction: row;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}

.page-about .about-chapters__link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--c-blue-gray);
  text-decoration: none;
  transition: color var(--transition), text-shadow var(--transition);
}

.page-about .about-chapters__link:hover {
  color: var(--c-electric-green);
  text-shadow: 0 0 10px var(--about-glow-green);
}

/* 内容区 */
.page-about .about-content {
  display: flex;
  flex-direction: column;
  gap: 56px;
  min-width: 0;
}

.page-about .about-section {
  position: relative;
  padding: 28px 0;
  scroll-margin-top: 72px;
}

.page-about .about-section__number {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-style: italic;
  line-height: 1;
  margin-bottom: 8px;
  color: rgba(177, 75, 255, 0.4);
  -webkit-text-stroke: 1px var(--c-neon-purple);
  text-shadow: 0 0 20px var(--about-glow-purple);
}

.page-about .about-section__kick {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-electric-green);
  margin-bottom: 8px;
}

.page-about .about-section__title {
  margin: 0 0 16px;
  font-family: var(--font-headline);
  font-size: 1.8rem;
  line-height: 1.05;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: var(--c-soft-white);
  text-shadow: 0 0 18px var(--about-glow-purple);
}

.page-about .about-section__lead {
  margin: 0 0 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-blue-gray);
  max-width: 60em;
}

/* 01 从海岛到全国 */
.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-origin__text p {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--c-soft-white);
}

.page-about .about-origin__text > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-headline);
  font-size: 2.6em;
  line-height: 0.82;
  padding: 4px 8px 0 0;
  color: var(--c-neon-purple);
  font-style: italic;
  text-shadow: 0 0 14px var(--about-glow-purple);
}

.page-about .about-origin__visual {
  background: linear-gradient(135deg, var(--c-deep-sea-light) 0%, var(--c-dark-night-purple) 100%);
  padding: 24px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  position: relative;
  border-left: 2px solid rgba(0, 229, 160, 0.3);
}

.page-about .about-origin__island {
  width: 100%;
  max-width: 260px;
  height: auto;
  margin-inline: auto;
  display: block;
}

.page-about .about-origin__caption {
  margin: 16px 0 0;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--c-blue-gray);
  letter-spacing: 0.04em;
}

.page-about .about-origin__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-top: 24px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  border: 1px solid rgba(177, 75, 255, 0.3);
}

/* 02 技术驱动迭代 */
.page-about .about-tech__timeline {
  position: relative;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-about .about-tech__timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-warning-orange) 0%, var(--c-neon-purple) 50%, var(--c-electric-green) 100%);
  opacity: 0.5;
}

.page-about .about-tech__milestone {
  position: relative;
  padding-left: 20px;
}

.page-about .about-tech__milestone::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--c-warning-orange);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(255, 140, 66, 0.6);
}

.page-about .about-tech__milestone:nth-child(2)::before {
  background: var(--c-electric-green);
  box-shadow: 0 0 12px var(--about-glow-green);
}

.page-about .about-tech__year {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 900;
  color: var(--c-warning-orange);
  text-shadow: 0 0 16px rgba(255, 140, 66, 0.35);
  margin-bottom: 8px;
}

.page-about .about-tech__milestone:nth-child(2) .about-tech__year {
  color: var(--c-electric-green);
  text-shadow: 0 0 16px var(--about-glow-green);
}

.page-about .about-tech__card {
  background: linear-gradient(135deg, rgba(19, 42, 74, 0.7), rgba(26, 11, 46, 0.7));
  border-left: 3px solid var(--c-warning-orange);
  padding: 20px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: transform var(--transition), border-left-color var(--transition), box-shadow var(--transition);
}

.page-about .about-tech__card--v4 {
  border-left-color: var(--c-electric-green);
}

.page-about .about-tech__card:hover {
  transform: translateX(4px);
  box-shadow: 0 0 24px var(--about-glow-green);
}

.page-about .about-tech__card .tag {
  margin-bottom: 8px;
}

.page-about .about-tech__card-title {
  margin: 12px 0 8px;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.3px;
  color: var(--c-soft-white);
}

.page-about .about-tech__card-text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-blue-gray);
}

.page-about .about-tech__meta {
  margin-top: 24px;
  padding: 16px 20px;
  border: 1px solid rgba(177, 75, 255, 0.25);
  background: rgba(177, 75, 255, 0.06);
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--c-soft-white);
  border-left: 3px solid var(--c-neon-purple);
}

.page-about .about-tech__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-top: 24px;
  border: 1px solid rgba(0, 229, 160, 0.25);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

/* 03 数字见证成长 */
.page-about .about-numbers__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.page-about .about-numbers__stat {
  background: linear-gradient(160deg, var(--c-deep-sea-light), var(--c-dark-night-purple));
  border-top: 2px solid var(--c-neon-purple);
  padding: 20px 16px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about .about-numbers__stat:nth-child(2) {
  border-top-color: var(--c-electric-green);
}

.page-about .about-numbers__stat:nth-child(3) {
  border-top-color: var(--c-gold);
}

.page-about .about-numbers__stat:nth-child(4) {
  border-top-color: var(--c-neon-purple);
}

.page-about .about-numbers__stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(177, 75, 255, 0.15);
}

.page-about .about-numbers__value {
  display: block;
  font-family: var(--font-headline);
  font-size: 2rem;
  font-style: italic;
  font-weight: 900;
  color: var(--c-soft-white);
  text-shadow: 0 0 18px var(--about-glow-purple);
}

.page-about .about-numbers__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--c-blue-gray);
}

.page-about .about-numbers__detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 8px;
}

.page-about .about-numbers__item {
  padding: 16px;
  border-left: 2px solid var(--c-electric-green);
  background: rgba(0, 229, 160, 0.04);
}

.page-about .about-numbers__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  font-style: italic;
  color: var(--c-electric-green);
}

.page-about .about-numbers__item p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--c-blue-gray);
}

/* 04 荣誉与认可 */
.page-about .about-honors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 24px;
}

.page-about .about-honors__card {
  position: relative;
  background: linear-gradient(160deg, rgba(255, 215, 0, 0.07), rgba(177, 75, 255, 0.05));
  border: 1px solid rgba(255, 215, 0, 0.36);
  padding: 24px 20px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about .about-honors__card:hover,
.page-about .about-honors__card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(255, 215, 0, 0.12), 0 0 14px var(--about-glow-gold);
  outline: none;
}

.page-about .about-honors__trophy {
  margin-bottom: 12px;
}

.page-about .about-honors__year {
  display: inline-block;
  font-family: var(--font-headline);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--c-gold);
  background: rgba(255, 215, 0, 0.1);
  padding: 4px 10px;
  margin-bottom: 10px;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.page-about .about-honors__name {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 1.15rem;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.2px;
  color: var(--c-soft-white);
}

.page-about .about-honors__desc {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--c-blue-gray);
}

.page-about .about-honors__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-gold);
  border: 1px solid rgba(255, 215, 0, 0.3);
  padding: 2px 8px;
  opacity: 0.85;
}

.page-about .about-honors__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-top: 24px;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

/* 结尾 CTA */
.page-about .about-cta {
  padding: 32px 24px;
  background: linear-gradient(135deg, rgba(177, 75, 255, 0.12), rgba(0, 229, 160, 0.06));
  border-left: 3px solid var(--c-neon-purple);
  display: flex;
  flex-direction: column;
  gap: 16px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-about .about-cta__lead {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--c-soft-white);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 平板以上 */
@media (min-width: 768px) {
  .page-about .about-hero__title-main {
    font-size: 3.5rem;
  }

  .page-about .about-hero__title-sub {
    font-size: 1.5rem;
  }

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

  .page-about .about-numbers__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-numbers__detail {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-honors__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-tech__card {
    padding: 24px;
  }
}

/* 桌面端 */
@media (min-width: 1024px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 48px;
    align-items: start;
  }

  .page-about .about-hero__title-main {
    font-size: 4rem;
  }

  .page-about .about-hero__lead {
    font-size: 1.05rem;
  }

  .page-about .about-layout {
    grid-template-columns: var(--about-chapter-sidebar) minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-chapters {
    position: sticky;
    top: 32px;
    display: block;
    border-bottom: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-about .about-chapters__label {
    margin-bottom: 16px;
  }

  .page-about .about-chapters__list {
    flex-direction: column;
    gap: 12px;
    white-space: normal;
    border-left: 2px solid rgba(177, 75, 255, 0.25);
    padding-left: 16px;
    margin-left: 2px;
  }

  .page-about .about-chapters__item {
    position: relative;
  }

  .page-about .about-chapters__item::before {
    content: '';
    position: absolute;
    left: -21px;
    top: 0.45em;
    width: 7px;
    height: 7px;
    background: var(--c-neon-purple);
    transform: rotate(45deg);
    box-shadow: 0 0 8px var(--about-glow-purple);
  }

  .page-about .about-chapters__link {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .page-about .about-section {
    padding: 40px 0;
  }

  .page-about .about-section__title {
    font-size: 2.2rem;
  }

  .page-about .about-section__lead {
    font-size: 1rem;
  }

  .page-about .about-tech__milestone {
    padding-left: 32px;
  }

  .page-about .about-tech__timeline::before {
    left: 8px;
  }

  .page-about .about-tech__year {
    font-size: 1.8rem;
  }

  .page-about .about-origin__text p {
    font-size: 1rem;
  }

  .page-about .about-numbers__value {
    font-size: 2.2rem;
  }
}