* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --bg: #eef3ff;
  --bg2: #f7faff;
  --panel: rgba(255, 255, 255, 0.68);
  --panel-strong: rgba(255, 255, 255, 0.82);
  --text: #0f172a;
  --muted: #52607a;
  --muted2: #7b87a2;
  --blue: #5b7cff;
  --cyan: #20c6e8;
  --pink: #f472b6;
  --shadow: 0 24px 60px rgba(91, 124, 255, 0.12), 0 12px 30px rgba(15, 23, 42, 0.06);
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 18px;
  --radius-sm: 14px;
}

body.front-body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
  background:
    radial-gradient(700px 400px at 8% 10%, rgba(91, 124, 255, 0.2), transparent 60%),
    radial-gradient(640px 360px at 84% 12%, rgba(32, 198, 232, 0.16), transparent 58%),
    radial-gradient(540px 320px at 62% 78%, rgba(244, 114, 182, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  overflow-x: hidden;
}

body.front-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 100%);
  opacity: 0.22;
}

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

a:hover {
  text-decoration: none;
}

.wrap {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
}

.glass {
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.34));
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
}

.topbar-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  gap: 18px;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  position: relative;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.92), transparent 42%),
    linear-gradient(135deg, rgba(91, 124, 255, 0.86), rgba(32, 198, 232, 0.74) 58%, rgba(244, 114, 182, 0.64));
  box-shadow: 0 16px 28px rgba(91, 124, 255, 0.18);
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.58);
}

.brand-letter {
  position: relative;
  z-index: 1;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: #ffffff;
  text-shadow: 0 4px 16px rgba(15, 23, 42, 0.18);
}

.brand-copy {
  display: flex;
  align-items: center;
  min-height: 42px;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  color: rgba(15, 23, 42, 0.86);
  transition: all 160ms ease;
}

.nav-item > a:hover {
  background: rgba(255, 255, 255, 0.56);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.08);
}

.nav-sub {
  display: none;
  position: absolute;
  top: 48px;
  left: 0;
  min-width: 220px;
  padding: 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.nav-item:hover .nav-sub,
.nav-item:focus-within .nav-sub {
  display: block;
}

.nav-sub a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
}

.nav-sub a:hover {
  background: rgba(91, 124, 255, 0.08);
}

.nav-pill {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(91, 124, 255, 0.08);
  color: var(--muted2);
  font-size: 11px;
}

.menu-btn {
  display: none;
  height: 40px;
  padding: 0 12px;
  border-radius: 12px;
  border: 0;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.1);
  color: var(--text);
}

.hero {
  padding: 42px 0 20px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.hero-panel,
.hero-side,
.feed,
.sidebar,
.pager,
.article-detail {
  border-radius: var(--radius-xl);
}

.hero-panel {
  padding: 8px 0 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.12;
  letter-spacing: -0.04em;
  padding-bottom: 0.08em;
  max-width: 100%;
}

.hero h1 span {
  display: block;
  background: linear-gradient(90deg, var(--blue), var(--cyan) 48%, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  max-width: 720px;
  text-align: center;
}

.hero-side {
  padding: 18px;
}

.metric-head,
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  min-height: 34px;
}

.metric-head strong,
.section-head strong {
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1;
}

.metric-head span,
.section-head span {
  color: var(--muted2);
  font-size: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.08);
}

.metric small {
  display: block;
  color: var(--muted2);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 14px;
  font-size: 26px;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(290px, 0.95fr);
  gap: 22px;
  padding: 18px 0 48px;
}

.content-area {
  min-width: 0;
}

.feed,
.sidebar,
.article-detail {
  padding: 18px;
}

.feed > .section-head,
.sidebar > .section-head {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(91, 124, 255, 0.08);
}

.post,
.article-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.56);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.08);
}

.article-card + .article-card,
.post + .post {
  margin-top: 14px;
}

.article-meta,
.article-footer,
.article-stats,
.post-top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  color: var(--muted2);
  font-size: 12px;
}

.article-card h2,
.article-title {
  margin: 12px 0 10px;
  font-size: 24px;
  line-height: 1.18;
}

.article-card h2 a:hover,
.article-title a:hover {
  color: var(--blue);
}

.description {
  margin: 0;
  color: #233148;
  font-size: 14px;
}

.preview {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.article-footer {
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(91, 124, 255, 0.08);
  color: #42536f;
  font-size: 12px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.1);
  color: var(--text);
  font-weight: 700;
}

.read-more:hover {
  background: rgba(255, 255, 255, 0.84);
}

.recommend-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.recommend-list li + li {
  margin-top: 10px;
}

.recommend-link {
  display: block;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.08);
}

.recommend-link:hover {
  background: rgba(255, 255, 255, 0.72);
}

.recommend-link strong {
  display: block;
  line-height: 1.45;
}

.recommend-link span {
  display: block;
  margin-top: 6px;
  color: var(--muted2);
  font-size: 12px;
}

.article-detail .article-title {
  font-size: clamp(28px, 4vw, 44px);
  margin-top: 14px;
}

.detail-tags {
  margin-top: 14px;
}

.article-content {
  margin: 28px 0;
  color: #1b2a40;
}

.article-content p,
.article-content li,
.article-content blockquote {
  color: #1b2a40;
}

.article-content pre,
.article-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.article-content pre {
  overflow-x: auto;
  padding: 16px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.92);
  color: #f8fafc;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 18px;
}

.article-stats {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.action-button {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  background: linear-gradient(90deg, rgba(91, 124, 255, 0.96), rgba(32, 198, 232, 0.88));
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(91, 124, 255, 0.18);
}

.action-button.secondary {
  background: rgba(255, 255, 255, 0.84);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.1);
  color: #243145;
}

.action-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.action-message,
.empty-state {
  color: var(--muted);
  font-size: 0.95rem;
}

.pager {
  margin-top: 16px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  overflow: hidden;
  white-space: nowrap;
}

.pager-info {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex: 0 0 auto;
}

.pager-main {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.pager-btn {
  height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.1);
  color: #213049;
  font-weight: 700;
  font-size: 12px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pager-btn.disabled {
  opacity: 0.42;
}

.pager-pages {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
}

.page {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 0 0 1px rgba(91, 124, 255, 0.1);
  color: #213049;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex: 0 0 auto;
}

.page.active {
  background: linear-gradient(90deg, rgba(91, 124, 255, 0.96), rgba(32, 198, 232, 0.88));
  color: #fff;
  box-shadow: 0 12px 24px rgba(91, 124, 255, 0.22);
}

.page.ellipsis {
  min-width: auto;
  padding: 0 4px;
  background: transparent;
  box-shadow: none;
  color: var(--muted2);
}

.site-footer {
  padding: 0 0 36px;
  text-align: right;
  color: var(--muted2);
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--blue);
}

@media (max-width: 1100px) {
  .hero-grid,
  .page-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  .topbar-inner {
    grid-template-columns: 1fr auto;
  }

  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    display: none;
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 0 6px;
  }

  .nav.is-open {
    display: flex;
  }

  .nav-sub {
    position: static;
    display: block;
    margin-top: 6px;
  }

  .wrap {
    width: min(100% - 24px, 100%);
  }

  .hero {
    padding: 28px 0 16px;
  }

  .hero-panel,
  .hero-side,
  .feed,
  .sidebar,
  .article-detail {
    padding: 18px;
  }

  .hero h1 {
    font-size: clamp(32px, 10vw, 52px);
    margin-bottom: 14px;
  }

  .pager-main {
    overflow-x: auto;
    padding-bottom: 2px;
  }
}