.page-about {
  --about-green-deep: #062D18;
  --about-gold-line: #F2B705;
  --about-red-line: #8C1C13;
  --about-mint-bg: #E8F0E9;
  --about-card-bg: #FFFFFF;
  --about-text-main: #1A1A1A;
  --about-text-light: #5F6B62;
  --about-border: #DCE4DC;

  overflow-x: hidden;
  background: var(--about-mint-bg);
  color: var(--about-text-main);
  font-family: var(--font-body);
  line-height: 1.7;
}

.page-about .container,
.page-about .breadcrumb,
.page-about section {
  width: 100%;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 20px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--about-text-light);
}

.page-about .breadcrumb a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .breadcrumb a:hover {
  color: var(--gold-dark);
  border-bottom-color: var(--gold-dark);
}

.page-about .breadcrumb-sep {
  color: var(--gray);
}

.page-about .current {
  color: var(--ink);
}

/* ---------- 品牌镜像 ---------- */
.page-about .about-brand-mirror {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 40px;
}

.page-about .mirror-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

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

.page-about .page-index {
  color: var(--green);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0;
}

.page-about h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: 0.01em;
  max-width: 720px;
}

.page-about .mirror-lead {
  margin: 0;
  font-size: 18px;
  line-height: 1.8;
  max-width: 640px;
  color: var(--about-text-main);
}

.page-about .mirror-sub {
  margin: 0;
  font-size: 15px;
  color: var(--about-text-light);
  border-left: 4px solid var(--gold);
  padding-left: 12px;
}

.page-about .mirror-visual {
  position: relative;
}

.page-about .mirror-img {
  border-radius: 4px;
  box-shadow: var(--shadow-green-lg);
  transform: rotate(-0.6deg);
}

.page-about .img-frame--filled {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  overflow: hidden;
  position: relative;
  background: #0A3920;
}

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

.page-about .img-frame--21-9 {
  aspect-ratio: 21 / 9;
}

.page-about .img-frame--21-9 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .img-frame--3-2 {
  aspect-ratio: 3 / 2;
}

.page-about .img-frame--3-2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-about .img-frame--16-9 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .mirror-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 40px;
}

.page-about .stat-cell {
  background: var(--about-card-bg);
  padding: 18px 16px;
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow-green);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .stat-num {
  font-family: var(--font-head);
  font-size: 32px;
  color: var(--green);
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-about .stat-label {
  font-size: 13px;
  color: var(--about-text-light);
}

/* ---------- 区块头通用 ---------- */
.page-about .section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
  border-bottom: 2px solid var(--green);
  padding-bottom: 18px;
}

.page-about .section-head--light {
  border-bottom-color: rgba(242, 183, 5, 0.6);
}

.page-about .section-index {
  color: var(--gold-dark);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0;
}

.page-about .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 4vw, 38px);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--ink);
  line-height: 1.2;
}

.page-about .section-head--light .section-title {
  color: var(--white);
}

.page-about .section-meta {
  margin: 0;
  max-width: 640px;
  color: var(--about-text-light);
  font-size: 15px;
}

.page-about .section-head--light .section-meta {
  color: rgba(232, 240, 233, 0.85);
}

.page-about .section-head--light .section-index {
  color: var(--gold);
}

/* ---------- 发展轨迹 ---------- */
.page-about .about-journey {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 40px;
}

.page-about .journey-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about .journey-timeline {
  position: relative;
  padding-left: 24px;
}

.page-about .timeline-line {
  position: absolute;
  left: 9px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--green) 0%, var(--gold) 55%, var(--red) 100%);
}

.page-about .timeline-item {
  position: relative;
  padding-left: 28px;
  padding-bottom: 28px;
}

.page-about .timeline-item:last-child {
  padding-bottom: 0;
}

.page-about .timeline-node {
  position: absolute;
  left: -24px;
  top: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--green);
  color: var(--green);
  font-size: 14px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px rgba(11, 93, 52, 0.1);
  z-index: 2;
}

.page-about .timeline-card {
  background: var(--about-card-bg);
  padding: 18px 18px 16px;
  border-radius: 2px;
  box-shadow: var(--shadow-green);
  border-top: 3px solid var(--green);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .timeline-card:hover {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 rgba(11, 93, 52, 0.2);
}

.page-about .timeline-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 20px;
  text-transform: uppercase;
  color: var(--green);
  letter-spacing: 0.02em;
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 14px;
  color: var(--about-text-light);
}

.page-about .journey-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .journey-img {
  border-radius: 4px;
  box-shadow: var(--shadow-green);
}

.page-about .note {
  padding: 14px 16px;
  border-left: 4px solid var(--clay);
  font-size: 14px;
  color: var(--about-text-main);
}

.page-about .note-label {
  margin: 0 0 4px;
  color: var(--clay);
  font-weight: bold;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-about .note p {
  margin: 0;
}

/* ---------- 技术实力 ---------- */
.page-about .about-tech {
  padding: 48px 20px 40px;
  background: var(--about-green-deep);
  position: relative;
}

.page-about .tech-band {
  max-width: 1200px;
  margin: 0 auto;
}

.page-about .tech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.page-about .tech-cell {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(242, 183, 5, 0.3);
  padding: 20px 18px;
  position: relative;
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-about .tech-cell:hover {
  background: rgba(27, 122, 70, 0.45);
  transform: translateY(-2px);
}

.page-about .tech-icon {
  display: inline-block;
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  border: 1px solid rgba(242, 183, 5, 0.5);
  padding: 2px 8px;
}

.page-about .tech-cell h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page-about .tech-cell p {
  margin: 0;
  color: rgba(232, 240, 233, 0.78);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .tech-image-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}

.page-about .tech-img {
  border-radius: 4px;
  border: 1px solid rgba(242, 183, 5, 0.3);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.2);
}

.page-about .tech-data {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-about .tech-data-item {
  background: rgba(255, 255, 255, 0.07);
  padding: 16px 14px;
  border-top: 2px solid var(--gold);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .tech-data-num {
  font-family: var(--font-head);
  font-size: 26px;
  color: var(--gold);
  line-height: 1.1;
}

.page-about .tech-data-label {
  font-size: 13px;
  color: rgba(232, 240, 233, 0.8);
}

/* ---------- 资质与荣誉 ---------- */
.page-about .about-honors {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 40px;
}

.page-about .honors-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-about .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-about .filter-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--about-text-light);
  letter-spacing: 0.06em;
}

.page-about .filter-btn {
  border: 1.5px solid var(--green);
  background: transparent;
  color: var(--green);
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-about .filter-btn:hover {
  background: var(--green);
  color: var(--white);
}

.page-about .filter-btn[data-active] {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.page-about .honor-card {
  background: var(--about-card-bg);
  padding: 22px 20px;
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow-green);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-about .honor-icon {
  color: var(--gold-dark);
  margin-bottom: 6px;
}

.page-about .honor-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-about .honor-card p {
  margin: 0;
  font-size: 14px;
  color: var(--about-text-light);
  line-height: 1.7;
}

.page-about .honor-tag {
  align-self: flex-start;
  color: var(--white);
  background: var(--clay);
  padding: 2px 10px;
  font-size: 12px;
  letter-spacing: 0.05em;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

/* ---------- 合作生态 ---------- */
.page-about .about-ecosystem {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 40px;
  border-top: 2px solid var(--green);
}

.page-about .eco-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 28px;
}

.page-about .eco-block {
  padding: 22px 20px;
  position: relative;
  background: var(--white);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-green);
  transition: transform 0.2s ease;
}

.page-about .eco-block:hover {
  transform: translateY(-3px);
}

.page-about .eco-block--data {
  border-top: 5px solid var(--green);
}

.page-about .eco-block--media {
  border-top: 5px solid var(--gold-dark);
}

.page-about .eco-block--partner {
  border-top: 5px solid var(--red);
}

.page-about .eco-index {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gray);
  letter-spacing: 0.1em;
  display: inline-block;
  margin-bottom: 8px;
}

.page-about .eco-block h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 19px;
  text-transform: uppercase;
  color: var(--ink);
}

.page-about .eco-block p {
  margin: 0;
  font-size: 14px;
  color: var(--about-text-light);
  line-height: 1.7;
}

.page-about .eco-more {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  background: rgba(183, 93, 65, 0.1);
  border-left: 4px solid var(--clay);
}

.page-about .eco-more p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--about-text-main);
}

/* ---------- 底部 CTA ---------- */
.page-about .about-cta {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 56px;
}

.page-about .cta-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 30px 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(11, 93, 52, 0.2);
  border-left: 6px solid var(--gold);
  box-shadow: var(--shadow-green-lg);
}

.page-about .cta-index {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
}

.page-about .cta-panel h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 28px;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-about .cta-panel p {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--about-text-light);
  line-height: 1.7;
}

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

.page-about .btn {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  padding: 10px 22px;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: bold;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.page-about .btn:hover {
  background: var(--green-light);
  transform: translate(-1px, -1px);
  color: var(--white);
}

.page-about .btn-ghost {
  background: transparent;
  border: 2px solid var(--green);
  color: var(--green);
}

.page-about .btn-ghost:hover {
  background: var(--green);
  color: var(--white);
}

/* ---------- 玻璃效果 ---------- */
.page-about .glass {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ---------- 图片标签占位装饰 ---------- */
.page-about .img-frame {
  position: relative;
}

.page-about .img-frame::after {
  content: attr(data-label);
  position: absolute;
  left: 8px;
  bottom: 8px;
  background: rgba(6, 45, 24, 0.75);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  pointer-events: none;
}

/* ---------- 筛选隐藏态 ---------- */
.page-about .honor-card[data-hidden] {
  display: none;
}

/* ---------- 中屏适配 ---------- */
@media (min-width: 640px) {
  .page-about .mirror-stats {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

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

  .page-about .cta-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ---------- 桌面适配 ---------- */
@media (min-width: 992px) {
  .page-about .mirror-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-about .journey-layout {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

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

  .page-about .timeline-line {
    left: 17px;
  }

  .page-about .timeline-node {
    width: 56px;
    height: 56px;
    left: -32px;
    font-size: 16px;
  }

  .page-about .timeline-item {
    padding-left: 36px;
    padding-bottom: 36px;
  }

  .page-about .section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-about .section-meta {
    text-align: right;
  }

  .page-about .section-head--light .section-meta {
    text-align: right;
  }

  .page-about .tech-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about .tech-image-row {
    grid-template-columns: 3fr 2fr;
    gap: 32px;
  }

  .page-about .tech-data {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-about .honors-grid {
    gap: 24px;
  }

  .page-about .honor-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    padding: 24px 22px;
  }

  .page-about .honor-icon {
    flex-shrink: 0;
    margin-top: 2px;
  }

  .page-about .honor-card .honor-tag {
    margin-left: auto;
  }

  .page-about .honor-card p {
    flex: 1;
    max-width: 480px;
  }

  .page-about .eco-more {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-about .eco-more .btn {
    flex-shrink: 0;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    animation: none !important;
  }
}