:root {
  --md-primary-fg-color: #800020;
  --md-primary-fg-color--light: #a33a4a;
  --md-primary-fg-color--dark: #5c0018;
  --md-accent-fg-color: #a33a4a;
  --md-accent-fg-color--transparent: rgba(128, 0, 32, 0.1);
  --fy-header-gradient: linear-gradient(
    92deg,
    #4a0014 0%,
    #800020 42%,
    #b34455 76%,
    #d48a7a 100%
  );
}

.md-header {
  background: var(--fy-header-gradient) !important;
  box-shadow: none;
}

.md-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.16) 0%,
    transparent 70%
  );
}

.md-header--shadow,
.md-header--shadow.md-header--lifted {
  box-shadow: 0 6px 18px rgba(52, 12, 22, 0.16);
}

/* Material 默认 <76.25em 隐藏顶栏 logo；始终显示并靠左 */
.md-header__button.md-logo {
  display: inline-flex !important;
  position: relative;
  z-index: 3;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  margin: 0.15rem 0.25rem 0.15rem 0.1rem;
  padding: 0.08rem 0.22rem;
  background: #fff;
  border-radius: 4px;
}

.md-header__button.md-logo img {
  display: block;
  height: 0.92rem;
  width: auto;
}

.md-header__option,
.md-header__button.md-icon,
.md-header__source {
  flex-shrink: 0;
}

.md-tabs {
  background: transparent !important;
  border: 0;
}

.md-tabs__link {
  opacity: 0.72;
}

.md-tabs__item--active {
  position: relative;
}

.md-tabs__item--active::after {
  content: "";
  position: absolute;
  left: 0.45rem;
  right: 0.45rem;
  bottom: 0.18rem;
  height: 2px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.88);
}

.md-tabs__item--active .md-tabs__link,
.md-tabs__link--active,
.md-tabs__link:hover {
  opacity: 1;
}

.md-nav__button.md-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 4px;
  padding: 0.16rem 0.32rem;
}

.md-nav__button.md-logo img {
  display: block;
  height: 1.05rem;
  width: auto;
}

/* 手机：校徽最左，菜单紧随其后，主题 / 搜索靠右 */
@media screen and (max-width: 44.984375em) {
  .md-header__title {
    display: none;
  }

  .md-header__option {
    margin-left: auto;
  }

  .md-header__button[for="__search"] {
    display: inline-flex !important;
  }

  .md-header__button.md-logo img {
    height: 0.86rem;
  }
}

/* 平板及以上：校徽与「首页」等标签同一行 */
@media screen and (min-width: 45em) {
  .md-header {
    display: flex;
    align-items: center;
    min-height: 2.4rem;
    padding-inline: 0.65rem;
  }

  .md-header__inner {
    display: contents;
  }

  .md-header__button.md-logo {
    order: 1;
    margin-left: 0;
    margin-right: 0.15rem;
  }

  .md-header__title {
    display: none;
  }

  .md-tabs {
    display: block !important;
    order: 2;
    position: static;
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    height: 2.4rem;
    overflow: hidden;
  }

  .md-tabs .md-grid {
    margin: 0;
    max-width: none;
    width: 100%;
  }

  .md-tabs__list {
    justify-content: flex-start;
  }

  .md-tabs__item {
    padding-left: 0.45rem;
    padding-right: 0.45rem;
  }

  .md-tabs__link {
    margin-top: 0.75rem;
  }

  .md-header__option,
  .md-header__button.md-icon,
  .md-search,
  .md-header__source {
    order: 3;
  }

  .md-header__button.md-icon[for="__drawer"] {
    order: 1;
  }

  .md-header__source {
    width: auto;
    max-width: none;
    margin-left: 0.5rem;
  }

  .md-source__facts {
    display: none;
  }

  .md-header--lifted ~ .md-container .md-sidebar {
    top: 2.4rem;
  }

  .md-header--lifted ~ .md-container .md-typeset :target {
    --md-scroll-margin: 3.2rem;
  }
}

@media screen and (min-width: 45em) and (max-width: 76.234375em) {
  .md-header__source {
    width: 2.4rem;
    max-width: 2.4rem;
    overflow: visible;
    margin-left: 0.2rem;
  }

  .md-source__repository {
    display: none;
  }

  .md-tabs__item {
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }
}

body,
.md-typeset {
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

.md-typeset {
  font-size: 0.78rem;
  line-height: 1.75;
}

.md-typeset h1 {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.md-typeset h2 {
  font-weight: 650;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  padding-bottom: 0.25em;
}

.md-typeset .home-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  column-gap: 0.7rem;
  row-gap: 0.35rem;
  margin: 0.15rem 0 0.95rem;
  text-align: center;
}

.md-typeset .home-logo {
  margin: 0;
  width: auto;
}

.md-typeset .home-logo img {
  display: block;
  margin: 0;
  height: 1.7rem;
  width: auto;
}

.md-typeset .home-hero h1 {
  margin: 0;
  width: auto;
  font-size: 1.55em;
  line-height: 1.15;
}

.md-typeset .home-hero .home-lead {
  flex: 1 0 100%;
  margin: 0.15rem 0 0;
  max-width: none;
  color: var(--md-default-fg-color--light);
}

.md-typeset .home-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.4rem;
  margin: 0 0 1.15rem;
}

.md-typeset .home-intro > p:not(.home-contribute) {
  flex: 1 1 auto;
  margin: 0;
}

.md-typeset p.home-contribute {
  flex: 0 0 auto;
  margin: 0;
}

.md-typeset a.home-contribute-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.38rem 1.05rem;
  overflow: hidden;
  border-radius: 8px;
  background: var(--fy-header-gradient);
  color: #fff !important;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none !important;
  box-shadow: 0 4px 10px rgba(52, 12, 22, 0.14);
}

.md-typeset a.home-contribute-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.18) 0%,
    transparent 62%
  );
}

.md-typeset a.home-contribute-btn:hover,
.md-typeset a.home-contribute-btn:focus {
  color: #fff !important;
  filter: brightness(1.06);
}

@media screen and (max-width: 44.984375em) {
  .md-typeset .home-intro {
    flex-direction: column;
    align-items: stretch;
  }

  .md-typeset p.home-contribute {
    align-self: flex-start;
  }
}

@media screen and (max-width: 29.984375em) {
  .md-typeset .home-logo img {
    height: 1.35rem;
  }

  .md-typeset .home-hero h1 {
    font-size: 1.35em;
  }

  .md-typeset .home-hero {
    column-gap: 0.45rem;
  }
}

.md-typeset .grid.cards.home-templates > ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
}

.md-typeset .grid.cards.home-templates > ul > li {
  margin: 0;
}

@media screen and (min-width: 45em) {
  .md-typeset .grid.cards.home-templates > ul {
    grid-template-columns: repeat(3, 1fr);
  }
}

.md-typeset .grid.cards > ul > li {
  border-radius: 10px;
  border-color: var(--md-default-fg-color--lightest);
}

.md-typeset .grid.cards > ul > li:hover {
  border-color: var(--md-primary-fg-color);
  box-shadow: 0 6px 16px var(--md-accent-fg-color--transparent);
}

.md-typeset .grid.cards.home-tracks > ul,
.md-typeset .home-tracks > ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  margin: 0 0 0.9rem;
}

.md-typeset .grid.cards.home-tracks > ul > li,
.md-typeset .home-tracks > ul > li {
  margin: 0;
  padding: 0.28rem 0.5rem;
  line-height: 1.3;
}

.md-typeset .home-tracks > ul > li p {
  margin: 0;
  line-height: 1.35;
  white-space: nowrap;
}

.md-typeset .home-tracks hr,
.md-typeset .home-tracks .twemoji {
  display: none;
}

@media screen and (min-width: 45em) {
  .md-typeset .home-logo img {
    height: 2.15rem;
  }

  .md-typeset .grid.cards.home-tracks > ul,
  .md-typeset .home-tracks > ul {
    grid-template-columns: repeat(4, 1fr);
  }
}

.md-typeset .case-grid > ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.md-typeset .case-grid > ul > li {
  margin: 0;
  padding: 0.7rem 0.95rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 10px;
  background: var(--md-default-bg-color);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.md-typeset .case-grid > ul > li:hover {
  border-color: var(--md-primary-fg-color);
  box-shadow: 0 6px 18px var(--md-accent-fg-color--transparent);
}

.md-typeset .case-grid > ul > li p {
  margin: 0;
}

.md-typeset table:not([class]) th {
  background-color: var(--md-accent-fg-color--transparent);
  color: var(--md-default-fg-color);
}

.md-typeset .md-button {
  border-radius: 8px;
}

.md-footer {
  margin-top: 1.5rem;
}

@media screen and (min-width: 76.25em) {
  .md-nav--primary .md-nav__title {
    height: auto;
  }
}