.page-about {
  --about-toc-w: 218px;
  --about-panel-radius: 16px;
  background: var(--bg-paper);
  overflow-x: hidden;
}

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

/* ========== 面包屑 ========== */
.page-about .about-breadcrumb {
  padding: 18px 0 2px;
}

.page-about .about-breadcrumb .breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--text-small);
  color: rgba(245, 240, 232, 0.72);
}

.page-about .about-breadcrumb a {
  color: rgba(245, 240, 232, 0.82);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .about-breadcrumb a:hover {
  color: var(--accent-yellow);
}

.page-about .about-breadcrumb .breadcrumb-sep {
  color: rgba(245, 240, 232, 0.45);
}

.page-about .about-breadcrumb .breadcrumb-current {
  color: var(--accent-yellow);
  font-weight: 500;
}

/* ========== 首屏 · 本站定位 ========== */
.page-about .about-hero {
  position: relative;
  background: var(--bg-teal);
  background-image:
    linear-gradient(135deg, transparent 0%, transparent 58%, rgba(242, 183, 5, 0.07) 58%, rgba(242, 183, 5, 0.07) 72%, transparent 72%),
    radial-gradient(circle at 88% 18%, rgba(242, 183, 5, 0.12) 0%, transparent 42%),
    linear-gradient(180deg, var(--teal-deep) 0%, var(--bg-teal) 100%);
  color: var(--text-invert);
  padding-top: 8px;
  padding-bottom: 0;
  overflow: hidden;
  box-shadow: inset 0 -4px 0 var(--accent-yellow);
  position: relative;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: repeating-linear-gradient(
    -45deg,
    rgba(242, 183, 5, 0.10) 0px,
    rgba(242, 183, 5, 0.10) 3px,
    transparent 3px,
    transparent 9px
  );
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 36px 0 28px;
}

.page-about .about-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-yellow);
  margin-bottom: 14px;
}

.page-about .about-hero-kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--accent-yellow);
  border-radius: 2px;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: var(--text-h1);
  font-weight: 900;
  line-height: 1.16;
  margin: 0 0 18px;
  max-width: 11em;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.page-about .about-hero-lead {
  font-size: var(--text-base);
  line-height: 1.75;
  color: rgba(245, 240, 232, 0.9);
  max-width: 42em;
  margin: 0 0 22px;
}

.page-about .about-hero-tags {
  margin-bottom: 24px;
}

.page-about .about-hero .tag {
  font-size: var(--text-small);
  padding: 5px 12px 4px;
}

.page-about .about-hero-actions {
  margin-bottom: 18px;
}

.page-about .about-hero .btn {
  font-weight: 500;
}

.page-about .about-hero .btn-outline {
  border: 1px solid rgba(245, 240, 232, 0.55);
  color: var(--text-invert);
  background: transparent;
}

.page-about .about-hero .btn-outline:hover {
  background: rgba(245, 240, 232, 0.1);
}

.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(245, 240, 232, 0.16);
  font-size: var(--text-caption);
  color: rgba(245, 240, 232, 0.7);
  letter-spacing: 0.02em;
}

.page-about .about-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-about .about-hero-meta span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-yellow);
  display: inline-block;
}

.page-about .about-hero-media {
  margin: 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.14);
}

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

/* ========== 主体两栏布局 ========== */
.page-about .about-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 28px;
  padding-bottom: 64px;
}

/* ========== 侧边目录 ========== */
.page-about .about-toc {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-toc-title {
  font-family: var(--font-head);
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0 0 6px;
  padding: 10px 14px;
  background: var(--bg-teal);
  color: var(--accent-yellow);
  border-radius: 10px 10px 0 0;
  display: none;
}

.page-about .about-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.page-about .about-toc-list li a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--card-cream);
  border: 1px solid var(--line);
  color: var(--text-main);
  font-size: var(--text-small);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-about .about-toc-list li a:hover {
  background: var(--accent-yellow);
  border-color: var(--accent-yellow);
  color: var(--text-deep);
}

.page-about .about-toc-num {
  font-family: var(--font-head);
  color: var(--accent-rose);
  font-size: var(--text-caption);
  font-weight: 700;
}

.page-about .about-toc-meta {
  display: none;
}

/* ========== 主内容区 ========== */
.page-about .about-main {
  display: flex;
  flex-direction: column;
  gap: 32px;
  min-width: 0;
}

.page-about .about-section {
  padding: 28px 20px;
  border-radius: var(--about-panel-radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-width: 0;
}

.page-about .about-section .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-about .about-section .section-kicker {
  font-family: var(--font-head);
  font-size: var(--text-caption);
  font-weight: 900;
  color: var(--accent-rose);
  letter-spacing: 0.08em;
}

.page-about .about-section .section-title {
  font-family: var(--font-head);
  font-size: var(--text-h2);
  font-weight: 900;
  margin: 0;
  line-height: 1.2;
}

.page-about .about-section .section-more {
  margin-left: auto;
  font-size: var(--text-small);
  color: var(--state-hot);
  text-decoration: none;
  white-space: nowrap;
}

.page-about .about-section .section-more:hover {
  color: var(--text-main);
}

.page-about .about-section-desc {
  font-size: var(--text-small);
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 22px;
  max-width: 52em;
}

/* ---------- 收录规模 ---------- */
.page-about .about-scale {
  background: var(--card-cream);
}

.page-about .about-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 14px 14px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.page-about .about-stat .ordinal {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 900;
  line-height: 1;
  display: block;
}

.page-about .about-stat-label {
  font-size: var(--text-small);
  font-weight: 700;
  margin-top: 6px;
}

.page-about .about-stat-meta {
  font-size: var(--text-caption);
  opacity: 0.85;
  line-height: 1.45;
}

.page-about .about-stat-teal {
  background: var(--bg-teal);
  color: var(--text-invert);
}

.page-about .about-stat-teal .about-stat-meta {
  color: rgba(245, 240, 232, 0.78);
}

.page-about .about-stat-orange {
  background: var(--bg-orange);
  color: var(--text-invert);
}

.page-about .about-stat-orange .about-stat-meta {
  color: rgba(245, 240, 232, 0.85);
}

.page-about .about-stat-blue {
  background: var(--card-blue);
  color: var(--text-main);
}

.page-about .about-stat-blue .about-stat-meta {
  color: var(--text-muted);
}

.page-about .about-stat-yellow {
  background: var(--accent-yellow);
  color: var(--text-deep);
}

.page-about .about-stat-yellow .about-stat-meta {
  color: rgba(43, 43, 43, 0.7);
}

.page-about .about-metric-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--bg-paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 14px;
  margin-bottom: 20px;
}

.page-about .about-metric-list .metric-bar {
  display: grid;
  grid-template-columns: 92px 1fr 64px;
  align-items: center;
  gap: 10px;
}

.page-about .about-metric-list .metric-label {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--text-main);
}

.page-about .about-metric-list .metric-track {
  height: 8px;
  background: rgba(209, 199, 184, 0.5);
  border-radius: 999px;
  overflow: hidden;
}

.page-about .about-metric-list .metric-fill {
  height: 100%;
  border-radius: 999px;
  display: block;
}

.page-about .about-metric-list .metric-value {
  font-size: var(--text-caption);
  font-weight: 700;
  color: var(--text-main);
  text-align: right;
  white-space: nowrap;
}

.page-about .about-scale-figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
}

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

/* ---------- 分类与标签体系 ---------- */
.page-about .about-taxonomy {
  background: var(--card-blue);
  border-color: rgba(209, 199, 184, 0.6);
}

.page-about .about-tree {
  margin-bottom: 22px;
}

.page-about .about-tree-root {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-teal);
  color: var(--text-invert);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--text-base);
  padding: 10px 18px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.page-about .about-tree-root em {
  font-style: normal;
  font-size: var(--text-caption);
  color: var(--accent-yellow);
  font-family: var(--font-body);
  font-weight: 500;
}

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

.page-about .about-tree-col {
  flex: 1;
  min-width: 0;
}

.page-about .about-tree-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: var(--text-small);
  margin-bottom: 8px;
}

.page-about .about-tree-node strong {
  font-family: var(--font-head);
  font-size: var(--text-base);
  font-weight: 900;
}

.page-about .about-tree-node span {
  font-size: var(--text-caption);
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
}

.page-about .about-tree-node-clarity {
  background: var(--accent-rose);
  color: #fff;
}

.page-about .about-tree-node-episode {
  background: var(--bg-teal);
  color: var(--text-invert);
}

.page-about .about-tree-node-sub {
  background: var(--accent-yellow);
  color: var(--text-deep);
}

.page-about .about-tree-leaves {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-about .about-tree-leaves li {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--card-cream);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
}

.page-about .about-tree-leaves em {
  font-style: normal;
  font-size: var(--text-caption);
  color: var(--text-muted);
  font-weight: 400;
}

.page-about .about-tree-arrow {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent-rose);
  text-align: center;
  line-height: 1;
  padding: 2px 0;
}

/* 标签折叠面板 */
.page-about .about-tags-details {
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: var(--card-cream);
  overflow: hidden;
}

.page-about .about-tags-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: var(--text-small);
  font-weight: 700;
  color: var(--text-main);
  list-style: none;
}

.page-about .about-tags-details summary::-webkit-details-marker {
  display: none;
}

.page-about .about-tags-details summary::after {
  content: "+";
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--accent-rose);
  transition: transform 0.2s ease;
}

.page-about .about-tags-details[open] summary::after {
  transform: rotate(45deg);
}

.page-about .about-tags-summary-meta {
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--text-muted);
}

.page-about .about-tags-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 16px;
  border-top: 1px solid var(--line);
}

.page-about .about-tag-col-title {
  font-family: var(--font-head);
  font-size: var(--text-small);
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about .about-tag-col-title::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--accent-yellow);
  display: inline-block;
}

.page-about .about-tags-panel .tag {
  font-size: var(--text-small);
}

/* ---------- 更新机制与批次编号 ---------- */
.page-about .about-updates {
  background: linear-gradient(135deg, var(--bg-orange) 0%, var(--orange-deep) 100%);
  border-color: transparent;
  color: var(--text-invert);
}

.page-about .about-updates .section-title {
  color: var(--text-invert);
}

.page-about .about-updates .section-kicker {
  color: var(--accent-yellow);
}

.page-about .about-updates .section-more {
  color: var(--accent-yellow);
}

.page-about .about-updates .about-section-desc {
  color: rgba(245, 240, 232, 0.88);
}

.page-about .about-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  padding-left: 24px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  background: rgba(245, 240, 232, 0.3);
}

.page-about .about-timeline-item {
  position: relative;
}

.page-about .about-timeline-dot {
  position: absolute;
  top: 22px;
  left: -24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-yellow);
  border: 3px solid var(--bg-orange);
  box-shadow: 0 0 0 2px var(--accent-yellow);
}

.page-about .about-timeline-item.is-current .about-timeline-dot {
  background: var(--state-live);
  box-shadow: 0 0 0 2px var(--state-live), 0 0 0 6px rgba(42, 157, 143, 0.28);
}

.page-about .about-timeline-card {
  background: rgba(255, 248, 231, 0.96);
  border-radius: 12px;
  padding: 16px 18px;
  color: var(--text-main);
}

.page-about .about-timeline-card h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 900;
  margin: 8px 0 4px;
  color: var(--text-deep);
}

.page-about .about-timeline-card p {
  margin: 0 0 8px;
  font-size: var(--text-small);
  line-height: 1.55;
  color: var(--text-muted);
}

.page-about .about-timeline-meta {
  display: inline-block;
  font-size: var(--text-caption);
  color: var(--state-done);
  font-weight: 500;
}

.page-about .about-timeline-item.is-current .about-timeline-meta {
  color: var(--state-live);
}

.page-about .about-timeline .status-badge {
  font-size: var(--text-caption);
}

/* ---------- 版本与终端适配 ---------- */
.page-about .about-versions {
  background: var(--card-cream);
}

.page-about .about-versions-figure {
  margin: 0 0 18px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-about .about-versions-table {
  margin-bottom: 22px;
}

.page-about .about-versions-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-small);
  background: var(--bg-paper);
  border-radius: 10px;
  overflow: hidden;
}

.page-about .about-versions-table th {
  background: var(--bg-teal);
  color: var(--text-invert);
  text-align: left;
  padding: 12px 14px;
  font-weight: 700;
  white-space: nowrap;
}

.page-about .about-versions-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.5;
}

.page-about .about-versions-table tr:last-child td {
  border-bottom: none;
}

.page-about .about-versions-table tbody tr:hover {
  background: var(--card-blue);
}

.page-about .about-devices {
  background: var(--bg-paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.page-about .about-devices-title {
  font-family: var(--font-head);
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text-deep);
}

.page-about .about-device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-device-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-small);
  line-height: 1.5;
  color: var(--text-main);
  flex-wrap: wrap;
}

.page-about .about-device-list .status-badge {
  min-width: 52px;
  text-align: center;
}

/* ---------- 检索与筛选路径 ---------- */
.page-about .about-paths {
  background: var(--bg-teal);
  border-color: transparent;
  color: var(--text-invert);
  background-image:
    linear-gradient(135deg, transparent 0%, transparent 65%, rgba(242, 183, 5, 0.06) 65%, rgba(242, 183, 5, 0.06) 82%, transparent 82%);
}

.page-about .about-paths .section-title {
  color: var(--text-invert);
}

.page-about .about-paths .section-kicker {
  color: var(--accent-yellow);
}

.page-about .about-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step-counter;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(255, 248, 231, 0.96);
  border-radius: 12px;
  padding: 18px 16px;
  color: var(--text-main);
  position: relative;
  overflow: hidden;
}

.page-about .about-step::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--accent-yellow);
}

.page-about .about-step:nth-child(2)::before {
  background: var(--accent-rose);
}

.page-about .about-step:nth-child(3)::before {
  background: var(--state-live);
}

.page-about .about-step:nth-child(4)::before {
  background: var(--state-hot);
}

.page-about .about-step:nth-child(5)::before {
  background: var(--accent-yellow);
}

.page-about .about-step-num {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent-rose);
  line-height: 1;
  flex-shrink: 0;
  min-width: 38px;
  text-align: center;
  background: var(--card-blue);
  border-radius: 8px;
  padding: 8px 6px;
}

.page-about .about-step:nth-child(2) .about-step-num {
  color: var(--bg-orange);
}

.page-about .about-step:nth-child(3) .about-step-num {
  color: var(--state-live);
}

.page-about .about-step:nth-child(4) .about-step-num {
  color: var(--state-hot);
}

.page-about .about-step:nth-child(5) .about-step-num {
  color: var(--rose-ink);
}

.page-about .about-step-body h3 {
  font-family: var(--font-head);
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text-deep);
}

.page-about .about-step-body p {
  font-size: var(--text-small);
  line-height: 1.65;
  margin: 0 0 8px;
  color: var(--text-muted);
}

.page-about .about-step-body a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-caption);
  font-weight: 700;
  color: var(--bg-teal);
  text-decoration: none;
  border-bottom: 2px solid var(--accent-yellow);
  padding-bottom: 1px;
}

.page-about .about-step-body a:hover {
  color: var(--accent-rose);
  border-color: var(--accent-rose);
}

/* ========== 响应式增强 ========== */
@media (min-width: 560px) {
  .page-about .about-tags-panel {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 820px) {
  .page-about .about-body {
    grid-template-columns: var(--about-toc-w) 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-about .about-toc {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    background: var(--bg-teal);
    border-radius: var(--radius-lg);
    padding: 0 0 18px;
    overflow: visible;
  }

  .page-about .about-toc-title {
    display: block;
    margin-bottom: 10px;
  }

  .page-about .about-toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0 10px;
  }

  .page-about .about-toc-list li a {
    border-radius: 8px;
    background: transparent;
    border: 1px solid transparent;
    color: rgba(245, 240, 232, 0.85);
    padding: 9px 12px;
  }

  .page-about .about-toc-list li a:hover {
    background: var(--teal-deep);
    border-color: rgba(242, 183, 5, 0.3);
    color: var(--accent-yellow);
  }

  .page-about .about-toc-num {
    color: var(--accent-yellow);
    font-size: var(--text-caption);
  }

  .page-about .about-toc-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 16px;
    padding: 14px 14px 0;
    border-top: 1px solid rgba(245, 240, 232, 0.14);
    font-size: var(--text-caption);
    color: rgba(245, 240, 232, 0.7);
    line-height: 1.6;
  }

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

  .page-about .about-metric-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 20px;
  }

  .page-about .about-metric-list .metric-bar {
    grid-template-columns: 84px 1fr 72px;
  }

  .page-about .about-tree-row {
    flex-direction: row;
    gap: 0;
    align-items: flex-start;
  }

  .page-about .about-tree-col {
    padding: 0 10px;
  }

  .page-about .about-tree-arrow {
    padding: 28px 4px 0;
    font-size: 1.6rem;
  }

  .page-about .about-timeline {
    padding-left: 30px;
  }

  .page-about .about-timeline-dot {
    left: -30px;
  }

  .page-about .about-section {
    padding: 32px 28px;
  }
}

@media (min-width: 1080px) {
  .page-about .container {
    padding-inline: 24px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 40px;
    padding: 48px 0 32px;
  }

  .page-about .about-hero h1 {
    font-size: 3.1rem;
  }

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

  .page-about .about-section {
    padding: 36px 32px;
  }

  .page-about .about-tags-panel {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}