:root {
  --ftq-paper: #faf9f6;
  --ftq-ink: #222222;
  --ftq-mute: #5f5f5f;
  --ftq-line: #dad4c9;
  --ftq-accent: #c93756;
  --ftq-accent-soft: rgba(201, 55, 86, 0.08);
  --ftq-gold: #8c6d1f;
  --ftq-max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ftq-paper);
  color: var(--ftq-ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
li,
h1,
h2,
h3,
a,
span {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.ftq-shell {
  width: min(100% - 2.5rem, var(--ftq-max));
  margin: 0 auto;
  min-width: 0;
}

.ftq-topbar {
  border-bottom: 1px solid var(--ftq-line);
  background: rgba(250, 249, 246, 0.98);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.ftq-topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
  position: relative;
}

.ftq-brand {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.ftq-menu-toggle {
  display: none;
  border: 1px solid var(--ftq-line);
  background: #fff;
  width: 44px;
  height: 40px;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.ftq-menu-toggle span {
  width: 18px;
  height: 1px;
  background: var(--ftq-ink);
  display: block;
}

.ftq-navline {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.ftq-navline a {
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  color: var(--ftq-mute);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.ftq-navline a:hover {
  color: var(--ftq-ink);
  border-color: var(--ftq-accent);
}

.ftq-navline a.ftq-nav-current {
  color: var(--ftq-ink);
  border-color: var(--ftq-accent);
}

.ftq-breadcrumb-wrap {
  padding-top: 0.75rem;
}

.ftq-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--ftq-mute);
  font-size: 0.9rem;
}

.ftq-breadcrumb-link {
  color: var(--ftq-mute);
  border-bottom: 1px solid transparent;
}

.ftq-breadcrumb-link:hover {
  color: var(--ftq-ink);
  border-bottom-color: var(--ftq-line);
}

.ftq-breadcrumb-sep {
  color: #9b9488;
}

.ftq-breadcrumb-current {
  color: var(--ftq-ink);
}

.ftq-hero {
  padding: 5rem 0 3.5rem;
}

.ftq-hero-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: var(--ftq-mute);
  border: 1px solid var(--ftq-line);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
}

.ftq-hero-mark svg {
  width: 16px;
  height: 16px;
  fill: var(--ftq-accent);
}

h1,
h2 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  margin-top: 0;
  letter-spacing: 0.04em;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.3;
}

.ftq-subline {
  max-width: 760px;
  margin-bottom: 1.7rem;
  color: #3d3d3d;
}

.ftq-btn-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.8rem;
}

.ftq-btn-matrix-five {
  grid-template-columns: repeat(5, minmax(130px, 1fr));
}

.ftq-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-width: 0;
  width: 100%;
  padding: 0.75rem 0.7rem;
  border: 1px solid var(--ftq-line);
  background: #fff;
  color: var(--ftq-ink);
  font-size: 0.95rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ftq-btn:hover {
  transform: translateY(-1px);
  border-color: var(--ftq-accent);
  box-shadow: 0 10px 28px rgba(34, 34, 34, 0.08);
}

.ftq-section {
  padding: 2.8rem 0;
}

.ftq-divider {
  border-top: 1px solid var(--ftq-line);
}

.ftq-features {
  display: grid;
  gap: 1.25rem;
}

.ftq-feature-item {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--ftq-line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
}

.ftq-feature-item:last-child {
  border-bottom: 0;
}

.ftq-feature-icon {
  width: 18px;
  height: 18px;
  margin-top: 0.45rem;
  fill: var(--ftq-gold);
}

.ftq-feature-title {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.25rem;
  margin: 0 0 0.2rem;
}

.ftq-feature-copy {
  margin: 0;
  color: var(--ftq-mute);
}

.ftq-download-zone {
  padding: 2.3rem 0;
  border-top: 1px solid var(--ftq-line);
  border-bottom: 1px solid var(--ftq-line);
}

.ftq-download-title {
  margin: 0 0 0.8rem;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
}

.ftq-download-note {
  margin: 0 0 1.1rem;
  color: var(--ftq-mute);
}

.ftq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ftq-line);
}

.ftq-list-item {
  border-bottom: 1px solid var(--ftq-line);
}

.ftq-list-link {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
}

.ftq-list-link:hover .ftq-list-title {
  color: var(--ftq-accent);
}

.ftq-list-date {
  color: var(--ftq-mute);
  font-size: 0.9rem;
}

.ftq-list-title {
  margin: 0 0 0.3rem;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.3rem;
  transition: color 0.2s ease;
}

.ftq-list-desc {
  margin: 0;
  color: var(--ftq-mute);
}

.ftq-pager {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.ftq-page-btn {
  border: 1px solid var(--ftq-line);
  padding: 0.45rem 0.9rem;
  font-size: 0.95rem;
  color: var(--ftq-mute);
  background: #fff;
}

.ftq-page-btn:hover,
.ftq-page-btn.ftq-page-btn-current {
  border-color: var(--ftq-accent);
  color: var(--ftq-ink);
}

.ftq-highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 1rem;
}

.ftq-highlight-item {
  border: 1px solid var(--ftq-line);
  padding: 0.9rem;
  background: #fff;
}

.ftq-highlight-item h3 {
  margin: 0 0 0.35rem;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.08rem;
}

.ftq-highlight-item p {
  margin: 0;
  color: var(--ftq-mute);
  font-size: 0.94rem;
}

.ftq-article-wrap {
  width: min(100% - 2.2rem, 680px);
  margin: 0 auto;
  padding: 3.2rem 0;
  min-width: 0;
}

.ftq-article-meta {
  color: var(--ftq-mute);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.ftq-article-wrap p {
  margin: 0 0 1.1rem;
}

.ftq-article-wrap h2 {
  margin: 2.2rem 0 0.8rem;
  padding-left: 0.7rem;
  border-left: 4px solid var(--ftq-accent);
  font-size: 1.55rem;
}

.ftq-callout {
  border: 1px solid var(--ftq-accent);
  background: var(--ftq-accent-soft);
  padding: 1rem;
  margin: 1.5rem 0;
  overflow: hidden;
}

.ftq-callout-title {
  margin: 0 0 0.65rem;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.22rem;
}

.ftq-article-tools {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.ftq-text-link {
  color: var(--ftq-mute);
  border-bottom: 1px solid var(--ftq-line);
}

.ftq-text-link:hover {
  color: var(--ftq-accent);
  border-color: var(--ftq-accent);
}

.ftq-related {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ftq-line);
}

.ftq-related h3 {
  margin: 0 0 0.5rem;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.2rem;
}

.ftq-related ul {
  margin: 0;
  padding-left: 1.1rem;
}

.ftq-related li {
  margin-bottom: 0.25rem;
}

.ftq-footer {
  margin-top: 2.8rem;
  border-top: 1px solid var(--ftq-line);
  padding-top: 2rem;
}

.ftq-footer-top {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 2.1rem;
  align-items: start;
}

.ftq-footer-poem {
  margin: 0;
  color: #2b2b2b;
  max-width: 560px;
}

.ftq-footer-poem strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
}

.ftq-footer-links {
  justify-self: end;
  width: min(100%, 240px);
  display: grid;
  gap: 0.3rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--ftq-line);
}

.ftq-footer-navhead {
  margin: 0 0 0.2rem;
  color: var(--ftq-mute);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.ftq-footer-links a {
  color: var(--ftq-mute);
  position: relative;
  padding-left: 0.8rem;
}

.ftq-footer-links a::before {
  content: "";
  width: 6px;
  height: 1px;
  background: var(--ftq-accent);
  position: absolute;
  left: 0;
  top: 0.95em;
}

.ftq-footer-links a:hover {
  color: var(--ftq-accent);
}

.ftq-footer-bottom {
  border-top: 1px solid var(--ftq-line);
  margin-top: 1.6rem;
  padding: 0.9rem 0 1.35rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  color: var(--ftq-mute);
  font-size: 0.92rem;
}

.ftq-footer-bottom a {
  color: var(--ftq-ink);
}

@media (max-width: 960px) {
  .ftq-btn-matrix-five {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
  }

  .ftq-highlight-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .ftq-topbar-inner {
    min-height: 64px;
  }

  .ftq-shell {
    width: min(100% - 1.4rem, var(--ftq-max));
  }

  .ftq-menu-toggle {
    display: inline-flex;
  }

  .ftq-navline {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    background: var(--ftq-paper);
    border-bottom: 1px solid var(--ftq-line);
    padding: 0.9rem 1.1rem;
    z-index: 32;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.7rem;
    flex-wrap: nowrap;
  }

  .ftq-navline.ftq-nav-open {
    display: flex;
  }

  .ftq-breadcrumb-wrap {
    padding-top: 0.55rem;
  }

  .ftq-breadcrumb {
    font-size: 0.84rem;
    gap: 0.35rem;
  }

  .ftq-list-link {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .ftq-footer-top {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .ftq-footer-links {
    justify-self: start;
    border-left: 0;
    border-top: 1px solid var(--ftq-line);
    padding-left: 0;
    padding-top: 0.7rem;
    width: 100%;
  }

  .ftq-footer-links a {
    padding-left: 0;
  }

  .ftq-footer-links a::before {
    display: none;
  }
}

@media (max-width: 540px) {
  .ftq-btn-matrix-five {
    grid-template-columns: 1fr;
  }

  .ftq-btn {
    width: 100%;
  }
}