@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;600;700&family=Unbounded:wght@600;700;800&display=swap');

:root {
  --edx6-bg: #F4F6EF;
  --edx6-surface: #FFFFFF;
  --edx6-surface-alt: #EAF0DD;
  --edx6-border: #CFDABC;
  --edx6-ink: #293414;
  --edx6-muted: #526136;
  --edx6-accent: #D00B8E;
  --edx6-accent-hover: #A90873;
  --edx6-accent2: #DB2443;
  --edx6-on-accent: #FFFFFF;
  --edx6-shadow: 0 1px 3px rgba(41, 52, 20, 0.08), 0 8px 24px rgba(41, 52, 20, 0.06);
  --edx6-radius: 12px;
  --edx6-font-display: 'Unbounded', system-ui, -apple-system, sans-serif;
  --edx6-font-body: 'Rubik', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  background: var(--edx6-bg);
  color: var(--edx6-ink);
  font-family: var(--edx6-font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--edx6-accent); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--edx6-accent-hover); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--edx6-accent2);
  outline-offset: 2px;
}

.edx6-wrap { width: 100%; max-width: 1220px; margin: 0 auto; padding: 0 16px; }

.edx6-age-strip {
  background: var(--edx6-ink);
  color: #F4F6EF;
  font-size: 0.8125rem;
  padding: 6px 0;
}
.edx6-age-strip-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.edx6-age-strip a { color: #F7D4E8; font-weight: 500; }

.edx6-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--edx6-border);
}
.edx6-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 8px 0;
}
.edx6-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--edx6-ink);
  min-height: 44px;
}
.edx6-brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--edx6-border);
  flex-shrink: 0;
}
.edx6-brand-name {
  font-family: var(--edx6-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--edx6-ink);
}
.edx6-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.edx6-split-btn {
  display: inline-flex;
  align-items: stretch;
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  min-height: 44px;
  border: 1.5px solid var(--edx6-accent);
  background: var(--edx6-accent);
  color: var(--edx6-on-accent);
  box-shadow: 0 2px 8px rgba(208, 11, 142, 0.18);
  transition: background-color 0.18s ease, transform 0.18s ease;
}
.edx6-split-btn:hover { background: var(--edx6-accent-hover); color: #FFFFFF; }
.edx6-split-btn-main {
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.edx6-split-btn-tag {
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  background: rgba(41, 52, 20, 0.22);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
.edx6-split-btn-alt {
  background: var(--edx6-surface);
  color: var(--edx6-ink);
  border-color: var(--edx6-ink);
  box-shadow: none;
}
.edx6-split-btn-alt:hover { background: var(--edx6-surface-alt); color: var(--edx6-ink); }
.edx6-split-btn-alt .edx6-split-btn-tag {
  background: var(--edx6-surface-alt);
  color: var(--edx6-ink);
  border-left: 1px solid var(--edx6-border);
}

.edx6-drawer-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1.5px solid var(--edx6-border);
  background: var(--edx6-surface-alt);
  color: var(--edx6-ink);
  font-family: var(--edx6-font-body);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
}
.edx6-drawer-toggle:hover { border-color: var(--edx6-ink); }

.edx6-drawer-nav {
  background: var(--edx6-surface);
  border-top: 1px solid var(--edx6-border);
  border-bottom: 2px solid var(--edx6-ink);
  padding: 12px 0;
}
.edx6-drawer-nav[data-collapsed="true"] {
  display: none;
}
.edx6-drawer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 8px;
}
.edx6-drawer-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--edx6-bg);
  border: 1px solid var(--edx6-border);
  color: var(--edx6-ink);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}
.edx6-drawer-link:hover, .edx6-drawer-link-active {
  background: var(--edx6-surface-alt);
  border-color: var(--edx6-accent);
  color: var(--edx6-accent);
}

.edx6-main { padding: 18px 0 40px; }

.edx6-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--edx6-muted);
  margin: 0 0 14px;
}
.edx6-breadcrumbs a { color: var(--edx6-muted); font-weight: 500; }

.edx6-hero-card {
  background: var(--edx6-surface);
  border: 1px solid var(--edx6-border);
  border-radius: var(--edx6-radius);
  box-shadow: var(--edx6-shadow);
  padding: 20px;
  margin-bottom: 20px;
  animation: edx6Reveal 0.35s ease-out both;
}
@keyframes edx6Reveal {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .edx6-hero-card { animation: none; }
}

.edx6-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.9fr);
  gap: 20px;
  align-items: start;
}
.edx6-dateline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--edx6-accent2);
  margin-bottom: 8px;
}
.edx6-h1 {
  font-family: var(--edx6-font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.05rem);
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--edx6-ink);
}
.edx6-hero-lead {
  margin: 0 0 14px;
  color: var(--edx6-ink);
  font-size: 1rem;
}
.edx6-hero-media {
  margin: 14px 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--edx6-border);
}
.edx6-hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.edx6-hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.edx6-start-panel {
  background: var(--edx6-bg);
  border: 1px solid var(--edx6-border);
  border-radius: 10px;
  padding: 16px;
}
.edx6-start-panel-title {
  font-family: var(--edx6-font-display);
  font-size: 1rem;
  margin: 0 0 12px;
  color: var(--edx6-ink);
}
.edx6-start-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.edx6-start-step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
  background: var(--edx6-surface);
  border: 1px solid var(--edx6-border);
  border-radius: 8px;
  padding: 10px;
}
.edx6-start-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--edx6-ink);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.8125rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.edx6-start-step strong { display: block; font-size: 0.9rem; color: var(--edx6-ink); }
.edx6-start-step span { font-size: 0.8125rem; color: var(--edx6-muted); }

.edx6-card {
  background: var(--edx6-surface);
  border: 1px solid var(--edx6-border);
  border-radius: var(--edx6-radius);
  box-shadow: var(--edx6-shadow);
  padding: 20px;
  margin-bottom: 18px;
}
.edx6-h2 {
  font-family: var(--edx6-font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--edx6-ink);
}
.edx6-h3 {
  font-family: var(--edx6-font-display);
  font-size: 1.125rem;
  line-height: 1.3;
  margin: 18px 0 8px;
  color: var(--edx6-ink);
}

.edx6-expert-box {
  background: var(--edx6-surface-alt);
  border-left: 4px solid var(--edx6-ink);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 0 0 14px;
  font-size: 0.925rem;
}
.edx6-tldr-box {
  background: #FAF5F9;
  border: 1px solid #E9B9D8;
  border-left: 4px solid var(--edx6-accent);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 0 0 16px;
}
.edx6-tldr-box strong { color: var(--edx6-accent); }
.edx6-capsule {
  background: var(--edx6-bg);
  border-left: 4px solid var(--edx6-accent2);
  border-radius: 6px;
  padding: 12px 14px;
  margin: 8px 0 12px;
  font-weight: 500;
}
.edx6-callout-warn {
  background: #FDF2F4;
  border: 1px solid #F3C2CB;
  border-left: 4px solid var(--edx6-accent2);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 14px 0;
}
.edx6-callout-tip {
  background: var(--edx6-surface-alt);
  border: 1px solid var(--edx6-border);
  border-left: 4px solid var(--edx6-ink);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 14px 0;
}

.edx6-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--edx6-border);
  border-radius: 10px;
  margin: 14px 0;
}
.edx6-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 540px;
  font-size: 0.9rem;
}
.edx6-table th {
  background: var(--edx6-ink);
  color: #FFFFFF;
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  white-space: nowrap;
}
.edx6-table td {
  padding: 10px 12px;
  border-top: 1px solid var(--edx6-border);
  vertical-align: top;
}
.edx6-table tbody tr:nth-child(even) { background: var(--edx6-bg); }

.edx6-steps {
  padding-left: 20px;
  margin: 12px 0;
}
.edx6-steps li { margin-bottom: 8px; }

.edx6-body-figure {
  margin: 16px 0;
  border: 1px solid var(--edx6-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--edx6-bg);
}
.edx6-body-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.edx6-body-figure figcaption {
  padding: 8px 12px;
  font-size: 0.8125rem;
  color: var(--edx6-muted);
}

.edx6-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.edx6-link-tile {
  display: block;
  padding: 12px;
  border-radius: 10px;
  background: var(--edx6-bg);
  border: 1px solid var(--edx6-border);
  color: var(--edx6-ink);
  text-decoration: none;
}
.edx6-link-tile:hover { border-color: var(--edx6-accent); background: var(--edx6-surface-alt); }
.edx6-link-tile strong { display: block; font-size: 0.925rem; color: var(--edx6-ink); margin-bottom: 4px; }
.edx6-link-tile span { display: block; font-size: 0.8125rem; color: var(--edx6-muted); }

.edx6-rg-box {
  background: #FAF8F5;
  border: 1.5px solid var(--edx6-accent2);
  border-radius: var(--edx6-radius);
  padding: 18px;
  margin-bottom: 18px;
}
.edx6-faq-list { display: grid; gap: 10px; margin-top: 12px; }
.edx6-faq-item {
  border: 1px solid var(--edx6-border);
  border-radius: 10px;
  background: var(--edx6-bg);
  padding: 10px 14px;
}
.edx6-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.edx6-faq-item p { margin: 10px 0 2px; font-size: 0.9375rem; }

.edx6-author-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--edx6-border);
  border-radius: 10px;
  background: var(--edx6-bg);
  margin: 14px 0;
}
.edx6-author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--edx6-border);
  flex-shrink: 0;
}

.edx6-footer {
  background: var(--edx6-surface);
  border-top: 2px solid var(--edx6-ink);
  padding: 18px 0;
  font-size: 0.8125rem;
}
.edx6-footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.edx6-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.edx6-footer-links a { color: var(--edx6-ink); font-weight: 500; text-decoration: none; }
.edx6-footer-links a:hover { color: var(--edx6-accent); text-decoration: underline; }
.edx6-article code, .edx6-card code {
  background: var(--edx6-surface-alt);
  color: var(--edx6-ink);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.88em;
  font-weight: 500;
}

@media (max-width: 860px) {
  .edx6-hero-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .edx6-header-bar { flex-wrap: wrap; }
  .edx6-split-btn-tag { display: none; }
  .edx6-hero-card, .edx6-card { padding: 14px; }
}