.page-about {
  --about-space-unit: clamp(24px, 4vw, 56px);
  --about-grid-line: rgba(0, 212, 255, 0.14);
  --about-marker-green: #00FF9F;
  --about-marker-purple: #B537F2;
  --about-marker-cyan: #00D4FF;
  --about-deep-void: #060D1F;
  --about-panel: rgba(255, 255, 255, 0.04);
  --about-border: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(ellipse at 12% 0%, rgba(0, 212, 255, 0.12), transparent 42%),
    radial-gradient(ellipse at 88% 6%, rgba(181, 55, 242, 0.14), transparent 40%),
    linear-gradient(180deg, #0B132B 0%, #0B1B3F 48%, #060D1F 100%);
  color: #F0F4FF;
  font-family: var(--font-body);
}

.page-about .shell {
  max-width: var(--shell-w);
  margin-inline: auto;
  padding-inline: clamp(16px, 3vw, 40px);
}

.page-about a {
  color: #00FF9F;
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-about a:hover {
  color: #00D4FF;
}

/* 首屏 = 框景终端 */
.page-about .shop-hero {
  position: relative;
  min-height: min(72vh, 760px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(80px, 10vw, 140px) var(--about-space-unit) 64px;
  border-bottom: 1px solid var(--about-border);
  isolation: isolate;
}

.page-about .hero-bg-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(135deg, rgba(0, 255, 159, 0.08), transparent 46%);
  background-size: 44px 44px, 44px 44px, 100% 100%;
  transform: perspective(600px) rotateX(8deg) scale(1.08);
  transform-origin: center 18%;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
}

.page-about .hero-bg-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 44%, rgba(0, 255, 159, 0.18), transparent 22%);
  mix-blend-mode: screen;
}

.page-about .hero-coordinate {
  position: absolute;
  top: 20px;
  right: clamp(16px, 4vw, 64px);
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.19em;
  color: #A8B2D1;
  writing-mode: vertical-rl;
  opacity: 0.72;
}

.page-about .hero-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: #00D4FF;
  text-transform: uppercase;
}

.page-about .hero-mark::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, #00FF9F, #00D4FF);
  box-shadow: 0 0 8px rgba(0, 255, 159, 0.6);
}

.page-about .hero-title {
  max-width: 12ch;
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.4rem, 7.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #F0F4FF;
  text-shadow: 0 0 18px rgba(0, 255, 159, 0.42), 0 0 42px rgba(0, 212, 255, 0.2);
}

.page-about .hero-lead {
  max-width: 32ch;
  margin: 0 0 16px;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.7;
  color: #A8B2D1;
}

.page-about .hero-sub {
  max-width: 58ch;
  margin: 0 0 24px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: #A8B2D1;
}

.page-about .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: #00FF9F;
}

.page-about .hero-meta span {
  position: relative;
  padding-left: 18px;
}

.page-about .hero-meta span::before {
  content: "◆";
  position: absolute;
  left: 0;
  font-size: 0.66rem;
  color: #B537F2;
  top: 0.16rem;
}

/* 面包屑 */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 28px 0 12px;
  font-size: 0.82rem;
  color: #6A7BA7;
  flex-wrap: wrap;
}

.page-about .breadcrumb__link {
  color: #A8B2D1;
}

.page-about .breadcrumb__link:hover {
  color: #00FF9F;
}

.page-about .breadcrumb__sep {
  color: #3C4A6E;
}

.page-about .breadcrumb__current {
  color: #00D4FF;
}

/* 通用结构 */
.page-about .story-block,
.page-about .mile-section,
.page-about .promise-section,
.page-about .team-section {
  margin-block: clamp(56px, 8vw, 104px);
}

/* 我们的故事 */
.page-about .story-block {
  position: relative;
  max-width: 100%;
  padding: clamp(28px, 5vw, 64px);
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px rgba(0, 255, 159, 0.03), 0 22px 60px -32px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
}

.page-about .story-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(60px, 12vw, 160px);
  height: 3px;
  background: linear-gradient(90deg, #00FF9F, #00D4FF);
  box-shadow: 0 0 14px rgba(0, 255, 159, 0.5);
}

.page-about .story-block__inner {
  max-width: 62ch;
}

.page-about .story-block__title {
  margin: 0 0 22px;
  font-size: 1.8rem;
  font-family: var(--font-head);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #F0F4FF;
}

.page-about .story-text {
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.85;
  color: #C6CFE6;
}

.page-about .coord-index {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-head);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  color: #6A7BA7;
  text-transform: uppercase;
}

/* 里程碑 */
.page-about .mile-section {
  position: relative;
}

.page-about .mile-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 48px;
}

.page-about .mile-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.9rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #F0F4FF;
}

.page-about .mile-desc {
  max-width: 48ch;
  margin: 0;
  color: #A8B2D1;
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-about .mile-visual {
  position: absolute;
  inset: 0 -10vw 0 auto;
  width: 100%;
  height: 100%;
  z-index: 0;
  border-radius: var(--radius);
  overflow: hidden;
  opacity: 0.36;
  pointer-events: none;
}

.page-about .mile-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.1) contrast(0.94);
}

.page-about .mile-visual__line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(180deg, rgba(0, 255, 159, 0.02), transparent 30%),
    linear-gradient(180deg, transparent 72%, rgba(0, 212, 255, 0.1));
  pointer-events: none;
}

.page-about .mile-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  counter-reset: mile-counter;
}

.page-about .mile-item {
  position: relative;
  padding: 26px 24px 22px 62px;
  background: rgba(11, 19, 43, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  backdrop-filter: blur(3px);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-about .mile-item:hover {
  border-color: rgba(0, 255, 159, 0.38);
  transform: translateX(4px);
}

.page-about .mile-item::before {
  content: counter(mile-counter, decimal-leading-zero);
  counter-increment: mile-counter;
  position: absolute;
  left: 20px;
  top: 26px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: #00D4FF;
  opacity: 0.7;
}

.page-about .mile-dot {
  position: absolute;
  left: 18px;
  bottom: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #00FF9F;
  box-shadow: 0 0 10px rgba(0, 255, 159, 0.7);
  cursor: default;
}

.page-about .mile-dot .mile-year {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: #A8B2D1;
  white-space: nowrap;
}

.page-about .mile-item__title {
  margin: 0 0 10px;
  padding-left: 0;
  font-family: var(--font-head);
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #F0F4FF;
}

.page-about .mile-item__text {
  margin: 0;
  padding-right: 4px;
  font-size: 0.92rem;
  line-height: 1.72;
  color: #A8B2D1;
}

/* 服务承诺 */
.page-about .promise-section {
  position: relative;
}

.page-about .promise-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 1.8rem;
  text-transform: uppercase;
  color: #F0F4FF;
}

.page-about .promise-desc {
  margin: 0 0 36px;
  color: #A8B2D1;
  max-width: 42ch;
  font-size: 0.95rem;
}

.page-about .promise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .promise-card {
  position: relative;
  padding: 34px 26px 30px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .promise-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px -28px rgba(0, 255, 159, 0.28), 0 0 0 1px rgba(0, 255, 159, 0.08);
}

.page-about .promise-card::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.page-about .promise-card__num {
  font-family: var(--font-head);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: #00FF9F;
  margin-bottom: 16px;
}

.page-about .promise-card__head {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.3rem;
  text-transform: uppercase;
  color: #F0F4FF;
  text-shadow: 0 0 14px rgba(0, 255, 159, 0.25);
}

.page-about .promise-card__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: #A8B2D1;
}

.page-about .promise-icon {
  margin-top: 32px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(0, 212, 255, 0.14);
  max-width: 320px;
}

.page-about .promise-icon img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

/* 团队与文化 */
.page-about .team-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .team-media {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(0, 255, 159, 0.18);
  box-shadow: 0 22px 50px -36px rgba(0, 255, 159, 0.4);
}

.page-about .team-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .team-content {
  max-width: 52ch;
}

.page-about .team-title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: 1.8rem;
  text-transform: uppercase;
  color: #F0F4FF;
}

.page-about .team-text {
  margin: 0 0 20px;
  color: #A8B2D1;
  line-height: 1.8;
  font-size: 0.96rem;
}

.page-about .team-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .team-list li {
  position: relative;
  padding-left: 22px;
  color: #C6CFE6;
  font-size: 0.92rem;
}

.page-about .team-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #B537F2;
  font-size: 0.9rem;
}

.page-about .team-proof {
  margin: 0;
  border-left: 3px solid #00FF9F;
  padding-left: 18px;
  color: #8C9AC2;
  font-size: 0.9rem;
  line-height: 1.75;
}

/* 内容路线 / 旅程模块 */
.page-about .journey-section {
  margin-block: clamp(48px, 7vw, 88px) 20px;
  padding: clamp(28px, 5vw, 52px);
  background: linear-gradient(140deg, rgba(0, 212, 255, 0.06), rgba(181, 55, 242, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  position: relative;
  overflow: hidden;
}

.page-about .journey-section::after {
  content: "";
  position: absolute;
  inset: auto -20% -60% 35%;
  width: 130%;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at center, rgba(0, 255, 159, 0.1), transparent 64%);
  pointer-events: none;
}

.page-about .journey-route {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.page-about .journey-route__label {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: #00FF9F;
  text-transform: uppercase;
}

.page-about .journey-route__link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #00D4FF;
}

.page-about .journey-route__link span[aria-hidden="true"] {
  color: #3C4A6E;
}

.page-about .journey-quote {
  margin: 0 0 28px;
  font-size: clamp(1rem, 2.4vw, 1.45rem);
  line-height: 1.6;
  color: #F0F4FF;
  max-width: 24ch;
  font-family: var(--font-head);
  letter-spacing: 0.02em;
  border-left: 3px solid #B537F2;
  padding-left: 22px;
  text-shadow: 0 0 16px rgba(0, 212, 255, 0.16);
}

.page-about .journey-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.page-about .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  background: #00FF9F;
  color: #0B132B;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid #00FF9F;
  box-shadow: 0 0 18px rgba(0, 255, 159, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0, 255, 159, 0.6);
  color: #0B132B;
}

.page-about .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  background: transparent;
  color: #00D4FF;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(0, 212, 255, 0.5);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-about .btn-ghost:hover {
  border-color: #00FF9F;
  color: #00FF9F;
  background: rgba(0, 255, 159, 0.06);
}

/* 显现过渡 */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.page-about [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 媒体查询：平板以上 */
@media (min-width: 700px) {
  .page-about .hero-title {
    max-width: 13ch;
  }

  .page-about .mile-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

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

  .page-about .team-section {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
  }
}

/* 媒体查询：桌面 */
@media (min-width: 1080px) {
  .page-about .promise-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }

  .page-about .hero-title {
    font-size: clamp(3.2rem, 6vw, 5.4rem);
    max-width: 10ch;
  }

  .page-about .mile-section {
    padding-left: 0;
  }

  .page-about .mile-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    position: relative;
  }

  .page-about .mile-grid::before {
    content: "";
    position: absolute;
    top: 42px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 255, 159, 0.6), rgba(0, 212, 255, 0.2), rgba(181, 55, 242, 0.5));
    z-index: -1;
  }

  .page-about .mile-item {
    padding: 74px 18px 24px;
    background: transparent;
    border: none;
    border-radius: 0;
    position: relative;
    text-align: left;
    counter-increment: mile-counter;
  }

  .page-about .mile-item::before {
    content: counter(mile-counter, decimal-leading-zero);
    position: absolute;
    top: 0;
    left: 18px;
    font-family: var(--font-head);
    font-size: 0.72rem;
    color: #00D4FF;
    opacity: 0.8;
  }

  .page-about .mile-dot {
    position: absolute;
    top: -4px;
    left: 18px;
    width: 10px;
    height: 10px;
    background: #00FF9F;
    box-shadow: 0 0 12px rgba(0, 255, 159, 0.8);
  }

  .page-about .mile-dot .mile-year {
    position: absolute;
    top: -42px;
    left: -8px;
    font-size: 0.84rem;
    color: #F0F4FF;
  }

  .page-about .mile-item__title {
    font-size: 1rem;
    margin-bottom: 8px;
  }

  .page-about .mile-item__text {
    font-size: 0.84rem;
    line-height: 1.65;
    color: #8C9AC2;
  }

  .page-about .mile-item:hover {
    transform: translateY(-4px);
  }

  .page-about .team-section {
    grid-template-columns: 1.1fr 1fr;
  }
}

/* 图片来源兜底 */
.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .mile-visual,
.page-about .promise-icon,
.page-about .team-media {
  max-width: 100%;
}

.page-about .mile-visual img,
.page-about .promise-icon img,
.page-about .team-media img {
  display: block;
}