:root {
  --page-bg: #f5f7fb;
  --sheet-bg: #ffffff;
  --ink: #0b1020;
  --muted: #5d6577;
  --line: rgba(15, 23, 42, 0.08);
  --primary: #2a5bff;
  --primary-soft: rgba(42, 91, 255, 0.12);
  --hero-grad: linear-gradient(130deg, #eef1ff, #fdfdff);
  --header-bg: rgba(255, 255, 255, 0.9);
  --header-border: rgba(15, 23, 42, 0.08);
  --surface-elevated: rgba(255, 255, 255, 0.7);
  --tabs-sheen: linear-gradient(180deg, #fafbff 0%, #f5f7fc 55%, #eff2f8 100%);
  --tab-active-bg: #eef3ff;
  --tab-active-border: rgba(42, 91, 255, 0.18);
  --tab-active-shadow: 0 10px 18px rgba(42, 91, 255, 0.12);
}

[data-md-color-scheme="slate"] {
  --page-bg: #080c1a;
  --sheet-bg: #11182c;
  --ink: #f2f4ff;
  --muted: #c2c9e0;
  --line: rgba(255, 255, 255, 0.15);
  --primary: #7fa4ff;
  --primary-soft: rgba(127, 164, 255, 0.25);
  --hero-grad: linear-gradient(135deg, #141d35, #0f2746 70%);
  --header-bg: rgba(12, 17, 33, 0.9);
  --header-border: rgba(255, 255, 255, 0.1);
  --surface-elevated: rgba(25, 34, 60, 0.8);
  --tabs-sheen: linear-gradient(180deg, #1c273f 0%, #141c31 60%, #0d1424 100%);
  --tab-active-bg: #2f3d66;
  --tab-active-border: rgba(136, 158, 238, 0.5);
  --tab-active-shadow: 0 18px 30px rgba(5, 9, 22, 0.6);
}

body.home-page {
  font-family: "Inter", "Roboto", "Source Han Sans", "PingFang SC", sans-serif;
  background: var(--page-bg);
  color: var(--ink);
}

body.home-page .md-main,
body.home-page .md-content,
body.home-page .md-main__inner {
  margin: 0;
  padding: 0;
}

.md-grid {
  width: min(1400px, calc(100% - 2rem));
  max-width: none;
}

.md-header {
  background: var(--header-bg);
  color: var(--ink);
  border-bottom: 1px solid var(--header-border);
  box-shadow: 0 12px 45px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

[data-md-color-scheme="slate"] .md-header {
  box-shadow: 0 25px 60px rgba(3, 6, 14, 0.6);
}

.md-header__inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.5rem 1rem;
  gap: 0.5rem;
}

.md-header__button,
.md-header__title,
.md-header__topic span {
  color: var(--ink) !important;
  font-weight: 600;
}

.md-header__button.md-logo svg {
  fill: var(--primary);
}

.md-tabs {
  background: color-mix(in srgb, var(--page-bg) 92%, #ffffff);
  border-bottom: none;
  padding: 0.9rem 1rem;
  position: relative;
  line-height: 1.2;
  overflow: visible;
}

.md-tabs .md-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
}

.md-tabs__list {
  position: relative;
  z-index: 2;
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  gap: 0.35rem;
  justify-content: center;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  white-space: normal;
  overflow: visible;
}

.md-tabs__item {
  flex: 0 0 auto;
  padding: 0;
  height: auto;
  display: flex;
  align-items: center;
}

.md-tabs__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.8rem;
  line-height: 1;
  color: var(--muted);
  font-weight: 600;
  padding: 0.18rem 0.9rem;
  font-size: 0.9rem;
  margin: 0;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease,
    box-shadow 0.2s ease, transform 0.2s ease;
}

.md-tabs__link:hover {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(15, 23, 42, 0.05);
  transform: translateY(-1px);
}

[data-md-color-scheme="slate"] .md-tabs__link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.12);
}

.md-tabs__item--active .md-tabs__link {
  color: var(--primary);
  background: var(--tab-active-bg);
  border-color: var(--tab-active-border);
  box-shadow: none;
  transform: translateY(0);
}

.md-header__toggle,
.md-search__input {
  border-radius: 999px !important;
}

.md-search__form {
  background: rgba(0, 0, 0, 0.04);
  border-radius: 999px;
  padding: 0 0.6rem;
}

.md-search__input {
  background: transparent;
  color: var(--ink);
}

.md-search__input::placeholder {
  color: color-mix(in srgb, var(--muted) 70%, #ffffff);
  opacity: 1;
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: color-mix(in srgb, #fff 70%, var(--muted));
}

.sheet {
  width: min(1140px, calc(100% - 2rem));
  margin: 0 auto;
  background: var(--sheet-bg);
  border-radius: 24px;
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.1);
  padding: clamp(1.3rem, 3.2vw, 2.3rem);
}

.hero {
  display: flex;
  flex-direction: column;
  gap: clamp(1.4rem, 4vw, 2rem);
}

.hero--poster {
  width: min(1140px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1.6rem, 4.5vw, 3rem);
  border-radius: 36px;
  background: var(--hero-grad);
  border: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  position: relative;
  overflow: hidden;
  box-shadow: 0 45px 95px rgba(15, 23, 42, 0.18);
}

.hero--poster::before,
.hero--poster::after {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 40px;
  pointer-events: none;
}

.hero--poster::before {
  border: 1px solid rgba(255, 255, 255, 0.35);
  opacity: 0.4;
}

.hero--poster::after {
  inset: auto 2rem 1.5rem 2rem;
  height: 140px;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.35), transparent 70%);
  filter: blur(40px);
  opacity: 0.8;
}

[data-md-color-scheme="slate"] .hero--poster::before,
[data-md-color-scheme="slate"] .hero--poster::after {
  display: none;
}

.hero__surface {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
  gap: clamp(1rem, 3vw, 2.4rem);
  align-items: start;
}

.hero__intro h1 {
  margin: 0 0 0.3rem;
  font-size: clamp(2.6rem, 6vw, 3.4rem);
}

.hero__intro .lede {
  margin: 0 0 1.2rem;
  color: var(--muted);
}

.hero__actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero__steps {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  padding: 0;
  margin: 0 0 1.2rem;
  flex-wrap: wrap;
}

.hero__steps li {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.12);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.85rem;
  width: max-content;
}

[data-md-color-scheme="slate"] .hero__steps li {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #0f1b34;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
}

.cta.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 25px rgba(42, 91, 255, 0.25);
}

.cta.secondary {
  border: 1px solid var(--line);
  color: var(--ink);
}

.hero__panel {
  border-radius: 28px;
  background: color-mix(in srgb, var(--surface-elevated) 70%, transparent);
  backdrop-filter: blur(18px);
  padding: 1.4rem;
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.panel-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.65rem;
  color: var(--muted);
  margin: 0 0 0.8rem;
}

.hero__panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.hero__panel-list li strong {
  display: block;
  font-size: 1.05rem;
  color: var(--ink);
}

.hero__panel-list li span {
  font-size: 0.85rem;
  color: var(--muted);
}

[data-md-color-scheme="slate"] .hero__panel {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero__meta {
  position: relative;
  z-index: 1;
  margin-top: 0.3rem;
  padding-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid rgba(15, 23, 42, 0.12);
}

.hero__meta h3 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
}

.hero__meta p {
  margin: 0;
  color: var(--muted);
}

.hero__meta-tags {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.hero__meta-tags span {
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
}

[data-md-color-scheme="slate"] .hero__meta {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

[data-md-color-scheme="slate"] .hero__meta-tags span {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.layout {
  width: min(1140px, calc(100% - 2rem));
  margin: 0 auto 3rem;
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 3vw, 1.6rem);
}

.section-head {
  margin-bottom: 0.7rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 0.7rem;
  color: var(--muted);
  margin: 0 0 0.4rem;
}

.sheet h2 {
  margin: 0;
}

.grid.cards,
.grid.list,
.grid.log-cards {
  display: grid;
  gap: 1rem;
}

.grid.cards {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid.list {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid.log-cards {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid article {
  border-radius: 18px;
  border: 1px solid var(--line);
  padding: 1rem 1.15rem;
  background: color-mix(in srgb, var(--sheet-bg) 92%, transparent);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.grid article a {
  display: inline-flex;
  margin-top: 0.6rem;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.grid article a:hover {
  text-decoration: underline;
}

.chip {
  display: inline-flex;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.75rem;
  margin-bottom: 0.4rem;
}

.pill {
  display: inline-flex;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background: rgba(42, 91, 255, 0.12);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
}

[data-md-color-scheme="slate"] .pill {
  background: rgba(106, 136, 255, 0.18);
}

.digest__rows {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(0.6rem, 2vw, 1.2rem);
}

.digest__rows article {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.digest__rows article header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.25rem;
}

.digest__rows article:nth-child(-n + 3) {
  border-top: 1px solid var(--line);
}

.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.link-list a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}

.link-list a:hover {
  color: var(--primary);
}

.sheet.closing {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: space-between;
  align-items: center;
}

.overview {
  width: min(1400px, calc(100% - 2rem));
  margin: 0 auto clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: clamp(1.2rem, 4vw, 1.8rem);
}

.overview-hero {
  background: color-mix(in srgb, var(--sheet-bg) 90%, transparent);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.overview-section {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: color-mix(in srgb, var(--sheet-bg) 92%, transparent);
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(0.8rem, 2vw, 1.5rem);
}

.overview-grid article,
.link-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem 1.2rem;
  background: color-mix(in srgb, var(--sheet-bg) 94%, transparent);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--muted);
}

.ghost-link {
  margin-top: 0.6rem;
  align-self: flex-start;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.ghost-link:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.hero-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.hero-tags span {
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--muted);
}

.overview-tip {
  border-radius: 18px;
  background: color-mix(in srgb, var(--primary-soft) 45%, var(--sheet-bg));
  padding: 0.9rem 1.1rem;
  color: var(--ink);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(0.8rem, 2vw, 1.2rem);
}

[data-md-color-scheme="slate"] .overview-hero,
[data-md-color-scheme="slate"] .overview-section,
[data-md-color-scheme="slate"] .overview-grid article,
[data-md-color-scheme="slate"] .link-card {
  background: color-mix(in srgb, var(--sheet-bg) 85%, transparent);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.45);
}

[data-md-color-scheme="slate"] .hero-tags span,
[data-md-color-scheme="slate"] .ghost-link {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--muted);
}

[data-md-color-scheme="slate"] .ghost-link:hover {
  background: rgba(106, 136, 255, 0.2);
  color: #fff;
}
@media (max-width: 860px) {
  .hero__surface {
    grid-template-columns: 1fr;
  }
  .hero__meta {
    flex-direction: column;
  }
  .sheet.closing {
    flex-direction: column;
    align-items: flex-start;
  }
}
[data-md-component="footer"] {
  background: color-mix(in srgb, var(--sheet-bg) 92%, transparent);
  border-top: 1px solid var(--line);
}

.md-footer__inner {
  max-width: min(1400px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.md-footer-nav__link {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--ink);
  padding: 0.9rem 1.2rem;
  gap: 0.7rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.md-footer-nav__link:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.md-footer-nav__title {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

[data-md-component="social"] {
  color: var(--muted);
}

[data-md-color-scheme="slate"] [data-md-component="footer"] {
  background: color-mix(in srgb, var(--sheet-bg) 80%, transparent);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

[data-md-color-scheme="slate"] .md-footer-nav__link {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--muted);
}

[data-md-color-scheme="slate"] .md-footer-nav__link:hover {
  background: rgba(106, 136, 255, 0.18);
  color: #fff;
}
.md-footer {
  background: color-mix(in srgb, var(--sheet-bg) 80%, var(--page-bg));
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 1.5rem;
  color: var(--ink);
}

.md-footer__inner {
  width: min(1400px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.md-footer-meta {
  background: color-mix(in srgb, var(--sheet-bg) 88%, var(--page-bg));
  border-top: 1px solid var(--line);
  color: var(--ink);
}

.md-footer-meta__inner {
  width: min(1400px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.8rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.md-footer,
.md-footer a,
.md-footer-nav__title,
.md-footer-meta,
.md-footer-meta a,
.md-footer-meta .md-copyright,
.md-footer-meta .md-copyright__highlight {
  color: var(--ink);
}

.md-footer-nav__link {
  background: color-mix(in srgb, var(--sheet-bg) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--ink);
  padding: 0.9rem 1.2rem;
  gap: 0.7rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.md-footer-nav__link:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.md-footer-nav__title {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.md-footer-meta .md-social {
  color: var(--muted);
}

[data-md-color-scheme="slate"] .md-footer {
  background: color-mix(in srgb, var(--sheet-bg) 70%, transparent);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .md-footer-nav__link {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--muted);
}

[data-md-color-scheme="slate"] .md-footer-nav__link:hover {
  background: rgba(106, 136, 255, 0.18);
  color: #fff;
}

[data-md-color-scheme="slate"] .md-footer-meta {
  background: color-mix(in srgb, var(--sheet-bg) 65%, transparent);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

[data-md-color-scheme="slate"] .md-footer,
[data-md-color-scheme="slate"] .md-footer a,
[data-md-color-scheme="slate"] .md-footer-meta,
[data-md-color-scheme="slate"] .md-footer-meta a,
[data-md-color-scheme="slate"] .md-footer-meta .md-copyright,
[data-md-color-scheme="slate"] .md-footer-meta .md-copyright__highlight {
  color: var(--muted);
}