:root {
  --orange: #ff5a1f;
  --orange-dark: #e04a10;
  --orange-light: #fff2ec;
  --bg: #ffffff;
  --bg-soft: #faf7f4;
  --text: #1a1410;
  --text-soft: #5c4f45;
  --text-mute: #8a7d71;
  --border: #f0e7df;
  --border-strong: #e5d7ca;
  --code-bg: #faf7f4;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(255,90,31,0.06);
  --shadow-md: 0 4px 14px rgba(255,90,31,0.08);
  --font-display: 'Play', 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  display: block;
  min-height: 100vh;
}

body > .sidebar { display: none; }

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

.sidebar {
  position: sticky;
  top: 0;
  width: 300px;
  height: 100vh;
  border-right: 1px solid var(--border);
  background: var(--bg);
  overflow-y: auto;
  z-index: 10;
  flex-shrink: 0;
}

.sidebar-inner {
  padding: 36px 28px 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.brand-mark {
  width: auto;
  height: 36px;
  object-fit: contain;
  display: block;
}

.brand-text { line-height: 1.2; }
.brand-title {
  font-family: var(--font-display);
  font-weight: 700; font-size: 20px;
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 12px; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: 0.12em;
  margin-top: 2px;
}

.toc {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.toc-item:hover {
  color: var(--orange);
  background: var(--orange-light);
  text-decoration: none;
}

.toc-item.active {
  color: var(--orange);
  background: var(--orange-light);
  font-weight: 600;
}

.toc-item .toc-num {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500;
  color: var(--text-mute);
  min-width: 20px;
}
.toc-item.active .toc-num { color: var(--orange); }

.sidebar-footer {
  padding-top: 20px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
  font-size: 12px; color: var(--text-mute);
  display: flex; align-items: center; gap: 8px;
}

.sidebar-footer .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-light);
}

.content {
  padding: 80px 96px 120px;
  max-width: 920px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.loader {
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 14px;
}

.md h1, .md h2, .md h3, .md h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  scroll-margin-top: 40px;
}

.md h1 {
  font-size: 56px;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.md .hero-sub {
  font-size: 20px;
  color: var(--text-soft);
  margin-bottom: 8px;
  font-weight: 400;
}

.md .hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  background: var(--orange-light);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

.md > section {
  padding-top: 24px;
  padding-bottom: 120px;
  border-bottom: 2px solid var(--border-strong);
  margin-bottom: 120px;
}

.md > section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.md h2 {
  font-size: 36px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.md h2 .section-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--orange);
  background: var(--orange-light);
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.04em;
}

.md .section-lead {
  font-size: 18px;
  color: var(--text-soft);
  margin-bottom: 32px;
  max-width: 100%;
  line-height: 1.7;
}

.md h3 {
  font-size: 22px;
  margin-top: 36px;
  margin-bottom: 12px;
}

.md h4 {
  font-size: 17px;
  margin-top: 24px;
  margin-bottom: 8px;
}

.md p {
  margin-bottom: 16px;
  color: var(--text-soft);
  max-width: 680px;
}

.md strong { color: var(--text); font-weight: 600; }
.md em { color: var(--text); font-style: italic; }

.md ul, .md ol {
  margin-bottom: 20px;
  padding-left: 24px;
  color: var(--text-soft);
  max-width: 680px;
}

.md li { margin-bottom: 8px; }

.md ul li::marker { color: var(--orange); }
.md ol li::marker { color: var(--orange); font-family: var(--font-mono); font-weight: 500; }

.md blockquote {
  border-left: 3px solid var(--orange);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--orange-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text);
  font-size: 16px;
  max-width: 680px;
}

.md blockquote p { margin-bottom: 0; color: inherit; }

.md code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--orange-dark);
  border: 1px solid var(--border);
}

.md pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  overflow-x: auto;
  margin-bottom: 20px;
  max-width: 680px;
}

.md pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.6;
}

.md hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
  max-width: 680px;
}

.md table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  max-width: 680px;
  font-size: 14.5px;
}

.md th, .md td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.md th {
  font-weight: 600;
  color: var(--text);
  background: var(--bg-soft);
  font-family: var(--font-display);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.md td { color: var(--text-soft); }

.md .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.md .card {
  padding: 22px 22px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: all 0.2s ease;
}

.md .card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.md .card h4 {
  margin-top: 0;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.md .card h4::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}

.md .card p {
  margin-bottom: 0;
  font-size: 14.5px;
  color: var(--text-soft);
}

.md .timeline {
  position: relative;
  margin: 28px 0 28px 12px;
  padding-left: 32px;
  border-left: 2px solid var(--border);
}

.md .timeline-item {
  position: relative;
  margin-bottom: 28px;
}

.md .timeline-item::before {
  content: '';
  position: absolute;
  left: -41px;
  top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--orange);
}

.md .timeline-item h4 {
  margin-top: 0;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.md .timeline-item p { margin-bottom: 0; }

.md .stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.md .stat {
  padding: 20px 22px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.md .stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 6px;
}

.md .stat-label {
  font-size: 13px;
  color: var(--text-mute);
}

.hero-section {
  padding-bottom: 80px !important;
  margin-bottom: 40px !important;
}

.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  max-width: 680px;
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-meta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-meta-value {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 100;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--orange);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 20px;
}

@media (max-width: 900px) {
  body {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    width: 280px;
    height: 100vh;
    z-index: 99;
    transition: left 0.25s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.08);
  }
  .sidebar.open { left: 0; }
  .mobile-nav-toggle { display: flex; align-items: center; justify-content: center; }
  .content { padding: 72px 24px 80px; }
  .md h1 { font-size: 40px; }
  .md h2 { font-size: 28px; }
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 40px 0 56px;
}

.feature-card {
  position: relative;
  padding: 26px 28px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.2s ease;
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 14px 2px, 2px 14px, 14px 2px, 2px 14px;
  background-position: left top, left top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.feature-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 18px 2px, 2px 18px, 2px 18px, 18px 2px, 18px 2px, 2px 18px, 2px 18px, 18px 2px;
  background-position: left top, left top, left bottom, left bottom, right top, right top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 19px;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-card h3::before {
  content: '';
  width: 6px;
  height: 16px;
  background: var(--orange);
  border-radius: 3px;
  flex-shrink: 0;
}

.feature-card p {
  margin-bottom: 0;
  font-size: 14.5px;
  color: var(--text-soft);
  line-height: 1.65;
}

.feature-card ul, .feature-card ol {
  margin-bottom: 0;
  font-size: 14px;
  padding-left: 18px;
}

.feature-card li {
  margin-bottom: 4px;
}

.feature-card code {
  font-size: 0.82em;
}

.feature-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 16px;
}

.feature-card-icon {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  min-width: 40px;
  width: fit-content;
  padding: 0 10px;
}

.card-desc {
  font-size: 13.5px !important;
  color: var(--text-mute) !important;
  margin-bottom: 14px !important;
  line-height: 1.55 !important;
  font-style: italic;
}

.section-cta {
  margin-top: 16px;
  margin-bottom: 56px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--orange);
  color: #fff;
  border: 1.5px solid #fff;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(255,90,31,0.25);
}

.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255,90,31,0.35);
  text-decoration: none;
}

.btn-primary::after {
  content: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  color: var(--orange);
  border: 1.5px solid var(--orange);
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--orange-light);
  transform: translateY(-1px);
  text-decoration: none;
}

.hero-banner {
  position: relative;
  margin-left: -96px;
  margin-right: -96px;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 100px 96px 120px;
  background: #fff8f3;
  color: var(--text);
  overflow: hidden;
  margin-top: -80px;
  margin-bottom: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, rgba(255,90,31,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(255,90,31,0.08) 0%, transparent 55%),
    radial-gradient(circle at 20% 80%, rgba(255,90,31,0.04) 0%, transparent 40%);
  background-size: cover;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,90,31,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,90,31,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 0%, transparent 80%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('banner2.png') center/cover no-repeat;
  opacity: 0.15;
  filter: blur(2px) saturate(0.7);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 920px;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 36px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-eyebrow-left {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(255,90,31,0.15);
  border: 1px solid rgba(255,90,31,0.4);
  border-radius: 4px;
  color: #ff7a45;
  font-weight: 500;
}

.hero-eyebrow-left .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 10px rgba(255,90,31,0.8);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-eyebrow-right {
  color: var(--text-mute);
  font-weight: 400;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 32px;
}

.hero-title strong,
.hero-title b {
  color: var(--orange);
  font-weight: 700;
  text-shadow: 0 0 30px rgba(255,90,31,0.2);
}

.hero-desc {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 680px;
  margin: 0 0 48px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--orange);
  color: #fff;
  border: 1.5px solid #fff;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.2s ease;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255,90,31,0.3);
}

.btn-hero-primary:hover {
  background: #ff7040;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,90,31,0.45);
  text-decoration: none;
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: #fff;
  color: var(--text);
  border: 1.5px solid var(--border-strong);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-hero-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
  background: var(--orange-light);
  transform: translateY(-2px);
  text-decoration: none;
}

@media (max-width: 900px) {
  .hero-banner {
    padding: 100px 24px 80px;
    min-height: auto;
    margin-left: -24px;
    width: calc(100% + 48px);
    margin-top: -72px;
    margin-bottom: 60px;
    background: #fff8f3;
  }
  .hero-eyebrow { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hero-desc { font-size: 16px; }
}

.content {
  padding: 0;
  max-width: none;
  width: 100%;
  position: relative;
  z-index: 1;
}

.page-body {
  display: grid;
  grid-template-columns: 300px 1fr;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0;
  gap: 0;
}

.content-main {
  padding: 60px 80px 120px 60px;
  max-width: 920px;
  width: 100%;
}

.sidebar {
  position: sticky;
  top: 0;
  width: 300px;
  height: 100vh;
  border-right: 1px solid var(--border);
  background: var(--bg);
  overflow-y: auto;
  z-index: 10;
  flex-shrink: 0;
}

.hero-banner {
  position: relative;
  margin-left: 0;
  margin-right: 0;
  width: 100%;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 48px 120px;
  background: #fff8f3;
  color: var(--text);
  overflow: hidden;
  margin-top: 0;
  margin-bottom: 0;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  width: 100%;
}

.hero-meta-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,90,31,0.15);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-meta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-meta-value {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

@media (max-width: 700px) {
  .hero-meta-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

.cards-grid .feature-card:nth-child(odd):last-child {
  grid-column: 1 / -1;
}

.card-cta {
  margin-top: auto;
  padding-top: 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.feature-card {
  display: flex;
  flex-direction: column;
}

.timeline-list-wrap {
  margin: 40px 0;
}

.timeline-list-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-strong);
}

.timeline-list-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 42px;
  letter-spacing: -0.01em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 18px;
}

.timeline-list-title .tl-badge {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  background: var(--orange-light);
  padding: 6px 14px;
  border-radius: 6px;
  letter-spacing: 0.06em;
}

.timeline-list-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  padding-left: 32px;
  border-left: 2px solid var(--border-strong);
  margin-left: 10px;
}

.timeline-item {
  position: relative;
  padding: 22px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: grid;
  grid-template-columns: 110px 1fr auto auto;
  gap: 24px;
  align-items: center;
  transition: all 0.2s ease;
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 12px 2px, 2px 12px, 12px 2px, 2px 12px;
  background-position: left top, left top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -39px;
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--orange);
}

.timeline-item:hover {
  border-color: var(--orange);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 16px 2px, 2px 16px, 2px 16px, 16px 2px, 16px 2px, 2px 16px, 2px 16px, 16px 2px;
  background-position: left top, left top, left bottom, left bottom, right top, right top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.tl-date {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tl-content {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
  line-height: 1.5;
}

.tl-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1.5px solid var(--orange);
  color: var(--orange);
  border-radius: 3px;
  background: var(--orange-light);
  white-space: nowrap;
}

.tl-link {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.tl-link:hover {
  color: var(--orange);
  text-decoration: none;
}

.tl-link::after {
  content: '→';
  font-size: 14px;
  transition: transform 0.2s ease;
}

.tl-link:hover::after {
  transform: translateX(3px);
}

@media (max-width: 700px) {
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 18px 20px;
  }
  .timeline-list-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .timeline-list-title { font-size: 28px; }
}

.link-row-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 10px 2px, 2px 10px, 10px 2px, 2px 10px;
  background-position: left top, left top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.link-row:hover {
  border-color: var(--orange);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 12px 2px, 2px 12px, 2px 12px, 12px 2px, 12px 2px, 2px 12px, 2px 12px, 12px 2px;
  background-position: left top, left top, left bottom, left bottom, right top, right top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.link-row-left {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--text);
  font-size: 16px;
}

.link-row-left::before {
  content: '✦';
  color: var(--orange);
  font-size: 14px;
  flex-shrink: 0;
}

.link-row-right {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.link-row-right::after {
  content: '→';
  font-size: 14px;
  color: var(--orange);
  transition: transform 0.2s ease;
}

.link-row:hover .link-row-right::after {
  transform: translateX(3px);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin: 32px 0 8px;
}

.link-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 12px 2px, 2px 12px, 12px 2px, 2px 12px;
  background-position: left top, left top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.link-card:hover {
  border-color: var(--orange);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size: 16px 2px, 2px 16px, 2px 16px, 16px 2px, 16px 2px, 2px 16px, 2px 16px, 16px 2px;
  background-position: left top, left top, left bottom, left bottom, right top, right top, right bottom, right bottom;
  background-repeat: no-repeat;
}

.link-card-left {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  color: var(--text);
  font-size: 17px;
}

.link-card-left::before {
  content: '✦';
  color: var(--orange);
  font-size: 16px;
  flex-shrink: 0;
}

.link-card-right {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.link-card-right::after {
  content: '→';
  font-size: 15px;
  color: var(--orange);
  transition: transform 0.2s ease;
}

.link-card:hover .link-card-right::after {
  transform: translateX(3px);
}

.brand-mark {
  color: transparent;
  font-size: 0;
}