.page-about {
  --about-red: #E6342A;
  --about-orange: #FF6B35;
  --about-gold: #C9A227;
  --about-dark: #2B2B2B;
  --about-deep: #A61F1F;
  --about-light: #F5F5F5;
  --about-white: #FFFFFF;
  --about-text: #2B2B2B;
  --about-muted: rgba(43, 43, 43, 0.72);
  --about-line: rgba(43, 43, 43, 0.14);
  --about-dark-line: rgba(255, 255, 255, 0.16);
  --about-header-h: 68px;
  color: var(--about-text);
  background: var(--about-light);
  overflow-x: hidden;
}

.page-about .jx-container {
  max-width: var(--jx-max, 1280px);
  margin-inline: auto;
  padding-inline: var(--jx-gutter, 20px);
}

.page-about .jx-section {
  padding-block: clamp(64px, 8vw, 120px);
}

.page-about .jx-section--dark {
  background: var(--about-dark);
  color: var(--about-white);
}

.page-about .jx-section__head {
  margin-bottom: clamp(32px, 5vw, 64px);
  max-width: 840px;
}

.page-about .jx-section__title {
  font-family: "Noto Sans SC Black", Impact, sans-serif;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 8px 0 0;
  text-transform: uppercase;
}

.page-about .jx-section__lead {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.8;
  margin-top: 16px;
  color: var(--about-muted);
}

.page-about .jx-section--dark .jx-section__lead {
  color: rgba(255, 255, 255, 0.72);
}

.page-about .jx-eyebrow {
  display: inline-block;
  font-family: "Roboto Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--about-red);
  background: rgba(230, 52, 42, 0.08);
  padding: 6px 14px;
  border-left: 3px solid var(--about-red);
  margin: 0;
}

.page-about .jx-eyebrow--light {
  color: var(--about-orange);
  background: rgba(255, 107, 53, 0.1);
  border-left-color: var(--about-orange);
}

.page-about .jx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  font-family: "Noto Sans SC", sans-serif;
  text-decoration: none;
  background: var(--about-red);
  color: var(--about-white);
  border: 2px solid var(--about-red);
  box-shadow: 5px 5px 0 rgba(230, 52, 42, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.page-about .jx-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(230, 52, 42, 0.28);
}

.page-about .jx-btn--orange {
  background: var(--about-orange);
  border-color: var(--about-orange);
  box-shadow: 5px 5px 0 rgba(255, 107, 53, 0.3);
}

.page-about .jx-btn--orange:hover {
  box-shadow: 2px 2px 0 rgba(255, 107, 53, 0.3);
}

.page-about .jx-btn--ghost {
  background: transparent;
  border-color: var(--about-white);
  color: var(--about-white);
  box-shadow: 5px 5px 0 rgba(255, 255, 255, 0.12);
}

.page-about .jx-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 2px 2px 0 rgba(255, 255, 255, 0.12);
}

.page-about .jx-breadcrumb {
  padding-block: 16px 0;
}

.page-about .jx-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-about .jx-breadcrumb__link {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .jx-breadcrumb__link:hover {
  color: var(--about-white);
}

.page-about .jx-breadcrumb__sep {
  color: rgba(255, 255, 255, 0.4);
}

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

.page-about .jx-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--about-dark);
}

.page-about .jx-frame--square {
  aspect-ratio: 1 / 1;
}

.page-about .jx-frame--wide {
  aspect-ratio: 16 / 9;
}

.page-about .jx-frame--portrait {
  aspect-ratio: 4 / 5;
}

.page-about .jx-frame__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: "Roboto Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--about-white);
  background: rgba(230, 52, 42, 0.88);
  padding: 4px 8px;
  border-radius: 2px;
  pointer-events: none;
}

.page-about .jx-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.page-about .jx-frame:hover img {
  transform: scale(1.03);
}

.page-about .jx-note {
  writing-mode: vertical-rl;
  font-family: "Roboto Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
  margin: 0;
  align-self: flex-end;
}

.page-about .jx-tag {
  display: inline-block;
  font-family: "Roboto Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border: 1px solid var(--about-line);
  color: var(--about-text);
  background: transparent;
  text-transform: uppercase;
}

.page-about .jx-tag--gold {
  border-color: var(--about-gold);
  color: var(--about-gold);
}

.page-about .jx-tag--red {
  border-color: var(--about-red);
  color: var(--about-red);
}

.page-about .jx-section--dark .jx-tag {
  border-color: var(--about-dark-line);
  color: rgba(255, 255, 255, 0.85);
}

.page-about .jx-section--dark .jx-tag--gold {
  border-color: var(--about-gold);
  color: var(--about-gold);
}

.page-about .jx-section--dark .jx-tag--red {
  border-color: var(--about-orange);
  color: var(--about-orange);
}

.page-about .jx-grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-about .jx-grid--2 {
  grid-template-columns: 1fr;
}

.page-about .jx-grid--3 {
  grid-template-columns: 1fr;
}

.page-about .jx-panel {
  background: var(--about-white);
  border: 2px solid var(--about-text);
  box-shadow: 8px 8px 0 rgba(43, 43, 43, 0.12);
  padding: clamp(20px, 2.4vw, 28px);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .jx-panel:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(43, 43, 43, 0.18);
}

.page-about .jx-panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-about .jx-panel__num {
  font-family: "Roboto Mono", monospace;
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--about-red);
  background: rgba(230, 52, 42, 0.08);
  padding: 4px 8px;
  border-radius: 4px;
}

.page-about .jx-panel__title {
  font-family: "Noto Sans SC Black", Impact, sans-serif;
  font-size: 18px;
  margin: 0;
}

.page-about .jx-panel p {
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  color: var(--about-muted);
}

.page-about .jx-stat {
  text-align: center;
  padding: clamp(20px, 3vw, 36px) 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--about-dark-line);
  border-top: 3px solid var(--about-orange);
}

.page-about .jx-stat__value {
  display: block;
  font-family: "Roboto Mono", monospace;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1;
  color: var(--about-white);
  font-variant-numeric: tabular-nums;
}

.page-about .jx-stat__value .jx-stat__suffix {
  color: var(--about-orange);
  font-size: 0.6em;
  margin-left: 2px;
}

.page-about .jx-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.72);
}

/* ===== 区块：页面首屏 ===== */
.page-about__hero {
  position: relative;
  background: var(--about-dark);
  padding: var(--about-header-h) 0 0;
  isolation: isolate;
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(230, 52, 42, 0.22) 0%, transparent 40%),
    linear-gradient(315deg, rgba(255, 107, 53, 0.18) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.16) 0%, transparent 50%),
    var(--about-dark);
}

.page-about__hero::after {
  content: "2026";
  position: absolute;
  right: -0.05em;
  bottom: -0.15em;
  font-family: "Roboto Mono", monospace;
  font-size: clamp(120px, 24vw, 360px);
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  z-index: -1;
  pointer-events: none;
  letter-spacing: -0.06em;
}

.page-about__hero-inner {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(48px, 6vw, 88px);
}

.page-about__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  margin-top: clamp(28px, 4vw, 56px);
}

.page-about__hero-copy {
  max-width: 720px;
}

.page-about__hero-copy h1 {
  font-family: "Noto Sans SC Black", Impact, sans-serif;
  font-size: clamp(38px, 6vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--about-white);
  margin: 16px 0 0;
  text-transform: uppercase;
}

.page-about__hero-lead {
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
  margin: 20px 0 0;
  max-width: 560px;
}

.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.page-about__hero-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.page-about__brand-frame {
  width: min(100%, 400px);
  border: 2px solid rgba(255, 255, 255, 0.18);
}

.page-about__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 区块：品牌故事 ===== */
.page-about__story {
  background: var(--about-light);
}

.page-about__section-head {
  position: relative;
}

.page-about__section-head::before {
  content: attr(data-num);
  position: absolute;
  right: 0;
  top: -0.25em;
  font-family: "Roboto Mono", monospace;
  font-size: clamp(80px, 14vw, 200px);
  font-weight: 900;
  line-height: 1;
  color: rgba(43, 43, 43, 0.04);
  pointer-events: none;
}

.page-about__story-grid {
  align-items: start;
}

.page-about__story-text p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--about-muted);
  margin: 0 0 18px;
}

.page-about__story-text p strong {
  color: var(--about-text);
}

.page-about__quote {
  margin: 28px 0 0;
  padding: 16px 20px;
  border-left: 4px solid var(--about-red);
  background: rgba(230, 52, 42, 0.05);
}

.page-about__quote p {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--about-text);
  margin: 0;
}

.page-about__fact-panel {
  margin-bottom: 20px;
}

.page-about__fact-panel:last-child {
  margin-bottom: 0;
}

/* ===== 区块：数据能力 ===== */
.page-about__data {
  position: relative;
}

.page-about__data::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(230, 52, 42, 0.08) 0%, transparent 30%),
    linear-gradient(300deg, rgba(255, 107, 53, 0.06) 0%, transparent 40%);
  pointer-events: none;
}

.page-about__data .jx-container {
  position: relative;
  z-index: 1;
}

.page-about__data .jx-section__head {
  margin-left: 0;
}

.page-about__data .jx-section__title {
  color: var(--about-white);
}

.page-about__stats {
  gap: 12px;
  margin-block: clamp(24px, 4vw, 48px);
}

.page-about__data-grid {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-about__data-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--about-dark-line);
  border-bottom: 3px solid var(--about-orange);
  padding: clamp(20px, 2.6vw, 28px);
  transition: transform 0.25s ease, background 0.25s ease;
}

.page-about__data-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
}

.page-about__data-card h3 {
  font-family: "Noto Sans SC Black", Impact, sans-serif;
  font-size: 20px;
  color: var(--about-white);
  margin: 14px 0 10px;
}

.page-about__data-card p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.page-about__data-visual {
  margin-top: clamp(32px, 5vw, 64px);
}

.page-about__data-visual .jx-frame {
  border: 1px solid var(--about-dark-line);
}

.page-about__data-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about__data-caption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.6);
}

.page-about__data-caption::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--about-gold);
  flex-shrink: 0;
}

/* ===== 区块：发展里程碑 ===== */
.page-about__milestones {
  background: var(--about-light);
}

.page-about__timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 0;
  margin-top: 0;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--about-red),
    var(--about-orange) 40%,
    var(--about-gold) 70%,
    var(--about-line)
  );
  opacity: 0.35;
}

.page-about__timeline-item {
  position: relative;
  padding: 0 0 0 72px;
  margin-bottom: 20px;
}

.page-about__timeline-item:last-child {
  margin-bottom: 0;
}

.page-about__timeline-node {
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Roboto Mono", monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--about-white);
  background: var(--about-dark);
  border: 2px solid var(--about-gold);
  box-shadow: 4px 4px 0 rgba(201, 162, 39, 0.28);
  z-index: 1;
  font-variant-numeric: tabular-nums;
  border-radius: 2px;
}

.page-about__timeline-content {
  background: var(--about-white);
  border: 1px solid var(--about-line);
  padding: clamp(16px, 2vw, 24px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about__timeline-content:hover {
  border-color: var(--about-red);
  box-shadow: 6px 6px 0 rgba(230, 52, 42, 0.1);
  transform: translateX(4px);
}

.page-about__timeline-content h3 {
  font-family: "Noto Sans SC Black", Impact, sans-serif;
  font-size: clamp(18px, 2vw, 24px);
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about__timeline-content h3::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--about-red);
  display: inline-block;
  flex-shrink: 0;
}

.page-about__timeline-content p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-muted);
  margin: 0;
}

/* ===== 区块：团队与资质 ===== */
.page-about__team {
  position: relative;
}

.page-about__team::after {
  content: "TEAM";
  position: absolute;
  left: -0.05em;
  top: 0.1em;
  font-family: "Roboto Mono", monospace;
  font-size: clamp(80px, 18vw, 260px);
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  z-index: 0;
}

.page-about__team .jx-container {
  position: relative;
  z-index: 1;
}

.page-about__team-grid {
  align-items: center;
}

.page-about__team-visual .jx-frame {
  border: 1px solid var(--about-dark-line);
}

.page-about__team-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about__team-copy .jx-section__title {
  color: var(--about-white);
}

.page-about__team-lead {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.72);
  margin: 16px 0 0;
}

.page-about__team-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about__team-list li {
  position: relative;
  padding: 14px 16px 14px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--about-dark-line);
  border-left: 3px solid var(--about-orange);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.page-about__team-list li strong {
  color: var(--about-white);
  font-weight: 700;
}

.page-about__cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about__team-copy .jx-btn {
  margin-top: 28px;
}

/* ===== 滚动显现 ===== */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.page-about [data-reveal="left"] {
  transform: translateX(-32px);
}

.page-about [data-reveal="right"] {
  transform: translateX(32px);
}

.page-about [data-reveal="scale"] {
  transform: scale(0.96);
}

.page-about [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-about .jx-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-about__hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 48px;
  }

  .page-about__hero-copy h1 {
    font-size: clamp(52px, 6vw, 88px);
  }

  .page-about__hero-visual {
    justify-self: end;
  }

  .page-about__timeline {
    padding-left: 40px;
  }

  .page-about__timeline::before {
    left: 68px;
  }

  .page-about__timeline-item {
    padding-left: 120px;
  }

  .page-about__timeline-node {
    width: 64px;
    height: 64px;
    font-size: 15px;
  }

  .page-about__timeline-content p {
    font-size: 15px;
  }

  .page-about__team-copy .jx-section__title {
    margin-top: 12px;
  }
}

@media (min-width: 1024px) {
  .page-about__hero-grid {
    gap: 64px;
  }

  .page-about__data-grid {
    gap: 20px;
  }

  .page-about__data-visual {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 24px;
    align-items: end;
  }

  .page-about__data-caption {
    margin: 0;
  }

  .page-about__team-grid {
    gap: 56px;
  }
}