:root {
  --brand-1: #0ea5e9;
  --brand-2: #38bdf8;
  --panel: #0c1a2b;
  --line: rgba(148, 163, 184, 0.22);
}

html,
html[data-mode="lit"],
html[data-mode="dim"] {
  --bg: #071321;
  --choice-bg: #071321;
  --post-bg: var(--panel);
  --footer-bg: #09182a;
  --haze: #12263c;
  --text: #d8e7f7;
  --text-hover: #f5fbff;
  --header-text: #f7fbff;
  --table-bg: #0f2438;
  --table-haze: #122a40;
  --table-border: #1f415c;
  --code-bg: #08111d;
}

body {
  background:
    radial-gradient(1200px 640px at -10% -10%, rgba(14, 165, 233, 0.18), transparent 45%),
    radial-gradient(980px 540px at 105% -20%, rgba(56, 189, 248, 0.13), transparent 42%),
    linear-gradient(180deg, #071321 0%, #09192c 45%, #081523 100%);
}

.nav_header {
  background: rgba(6, 15, 26, 0.92) !important;
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(120%) blur(8px);
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 0.35rem 0.8rem !important;
}

.content {
  padding-top: 1.1rem !important;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav_body {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav_body::-webkit-scrollbar {
  display: none;
}

.nav_brand {
  display: inline-flex;
  align-items: center;
  border: 0;
  background: transparent;
  padding: 0.1rem 0.15rem 0.1rem 0;
  margin-right: 0.4rem;
  font-weight: 700;
  font-size: 0.96rem;
  letter-spacing: 0.01em;
  color: #f2f8ff;
  white-space: nowrap;
}

.nav_brand img,
.nav_brand .logo {
  display: block !important;
  width: auto;
  height: 54px;
  max-width: min(36vw, 200px);
  margin: 0 !important;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.45));
  transform: translateY(1px);
}

.nav_parent {
  display: block;
  margin: 0 0.08rem;
}

.nav_item {
  color: #d5e5f5 !important;
  font-weight: 500;
  white-space: nowrap;
  padding: 0.45rem 0.68rem;
}

.nav_item:hover,
.nav_active {
  color: #ffffff !important;
  background: rgba(14, 165, 233, 0.16);
  border-radius: 0.5rem;
}

.intro,
.post_item,
article.post_content,
.sidebar_inner,
.tags_list {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)), var(--panel);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

.post_item:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.post_title,
.post_link > a,
.post_content h1,
.post_content h2,
.post_content h3,
.post_content h4 {
  color: var(--header-text);
}

.post_content {
  line-height: 1.78;
  font-size: 1.03rem;
}

.post_content p,
.post_content li {
  color: #d0e1f2;
}

.post_content a:not(.button) {
  color: #7dd3fc;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post_content blockquote {
  border-left: 4px solid var(--brand-2);
  background: rgba(56, 189, 248, 0.08);
  border-radius: 0 10px 10px 0;
}

.post_content :not(pre) > code,
code.noClass {
  background: #0b2439;
  border: 1px solid #214760;
  border-radius: 6px;
  color: #bce8ff;
}

.highlight_wrap {
  border: 1px solid #234560;
}

.button,
.page-link,
.to-top,
.to_top {
  background: linear-gradient(135deg, var(--brand-1), #3b82f6);
  border: none;
  color: #f7fbff;
}

.footer {
  border-top: 1px solid var(--line);
  color: #bfd3e8;
}

@media (max-width: 769px) {
  .nav_header {
    padding: 0.35rem 0.55rem 0.2rem !important;
  }

  .nav {
    flex-direction: column !important;
    align-items: stretch;
    gap: 0.2rem;
  }

  .nav_brand {
    align-self: flex-start;
    margin-right: 0;
    padding-right: 0;
  }

  .nav_brand .logo {
    height: 34px;
    max-width: 122px;
  }

  .nav_body {
    display: flex !important;
    flex-direction: row !important;
    position: static !important;
    width: 100% !important;
    max-width: none !important;
    transform: none !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    top: auto !important;
    background: transparent !important;
    padding: 0.12rem 0 0.2rem !important;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    gap: 0.08rem;
  }

  .nav_parent {
    margin: 0;
  }

  .nav_item {
    font-size: 0.92rem;
    padding: 0.34rem 0.56rem;
  }

  .nav_close {
    display: none !important;
  }

  .jsopen::after {
    display: none !important;
  }

  .follow {
    display: none !important;
  }
}