:root {
  color-scheme: light;
  --bg: #f4f7fc;
  --bg-soft: #eef4fb;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-solid: #ffffff;
  --ink: #101828;
  --muted: #667085;
  --line: rgba(16, 24, 40, 0.08);
  --accent: #0a84ff;
  --accent-soft: rgba(10, 132, 255, 0.08);
  --shadow: 0 24px 72px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(10, 132, 255, 0.12), transparent 20%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 24%, var(--bg-soft) 100%);
  color: var(--ink);
  font-family:
    Inter,
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Display",
    sans-serif;
}

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

img {
  display: block;
  width: 100%;
}

.is-hidden {
  display: none !important;
}

.entry-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: 3px;
  background: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(18px);
}

.entry-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: left center;
  transform: scaleX(0);
  background: linear-gradient(90deg, #86c8ff, var(--accent));
}

.entry-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 247, 252, 0.72);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(16, 24, 40, 0.05);
}

.entry-topbar-inner,
.entry-shell {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
}

.entry-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.entry-brand {
  font-weight: 700;
  letter-spacing: 0;
}

.entry-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--muted);
}

.entry-nav a:hover,
.entry-back:hover,
.entry-actions a:hover,
.entry-outline a:hover {
  color: var(--accent);
}

.entry-shell {
  padding: 44px 0 72px;
}

.entry-hero {
  padding: 18px 0 38px;
}

.entry-kicker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.entry-back,
.entry-type,
.entry-eyebrow {
  color: var(--muted);
  font-size: 0.95rem;
}

.entry-title {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.96;
}

.entry-summary {
  max-width: 64ch;
  margin: 20px 0 0;
  color: #4b5b76;
  font-size: 1.08rem;
  line-height: 1.9;
}

.entry-hero-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.entry-meta-pill,
.entry-main,
.entry-card,
.entry-overview-card,
.entry-related-card {
  background: var(--panel);
  box-shadow:
    inset 0 0 0 1px var(--line),
    var(--shadow);
  backdrop-filter: blur(24px);
}

.entry-meta-pill {
  min-width: 160px;
  padding: 14px 16px;
  border-radius: 22px;
}

.entry-meta-pill span,
.entry-card span,
.entry-overview-card span,
.entry-related-head span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
}

.entry-meta-pill strong,
.entry-overview-card strong,
.entry-related-head strong {
  display: block;
  margin-top: 8px;
}

.entry-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
  align-items: start;
}

.entry-main {
  padding: 28px;
  border-radius: 34px;
}

.entry-media {
  margin-bottom: 26px;
  overflow: hidden;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow:
    inset 0 0 0 1px rgba(16, 24, 40, 0.05),
    0 24px 54px rgba(15, 23, 42, 0.08);
}

.entry-media img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

.entry-overview {
  display: grid;
  grid-template-columns: 1.3fr repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.entry-overview-card {
  padding: 20px;
  border-radius: 24px;
}

.entry-overview-card p,
.entry-related-card p {
  margin: 10px 0 0;
  color: #55657f;
  line-height: 1.75;
}

.entry-overview-card.compact strong {
  font-size: 2rem;
  line-height: 1;
}

.entry-body {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.06rem;
  line-height: 1.95;
  color: #243041;
}

.entry-body h1,
.entry-body h2,
.entry-body h3,
.entry-body h4 {
  margin: 0 0 18px;
  color: var(--ink);
  line-height: 1.16;
  scroll-margin-top: 90px;
}

.entry-body h1 {
  margin-top: 10px;
  font-size: 2.5rem;
}

.entry-body h2 {
  margin-top: 52px;
  padding-top: 12px;
  font-size: 1.84rem;
  border-top: 1px solid rgba(16, 24, 40, 0.08);
}

.entry-body h3 {
  margin-top: 34px;
  font-size: 1.36rem;
}

.entry-body p,
.entry-body ul,
.entry-body ol,
.entry-body pre,
.entry-body blockquote,
.entry-body figure {
  margin: 0 0 22px;
}

.entry-body ul,
.entry-body ol {
  padding-left: 1.35rem;
}

.entry-body li + li {
  margin-top: 10px;
}

.entry-body blockquote {
  padding: 18px 20px;
  border-left: 3px solid rgba(10, 132, 255, 0.4);
  border-radius: 0 18px 18px 0;
  background: rgba(10, 132, 255, 0.05);
  color: #40516b;
}

.entry-body .code-block {
  margin: 0 0 24px;
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(180deg, #0c1321, #111a2a);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 18px 40px rgba(15, 23, 42, 0.16);
}

.entry-body .code-block-head {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.entry-body pre {
  overflow: auto;
  margin: 0;
  padding: 18px 20px 20px;
  color: #f8fafc;
}

.entry-body .markdown-image {
  overflow: hidden;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(248, 250, 254, 0.96), rgba(240, 244, 251, 0.94));
  box-shadow:
    inset 0 0 0 1px rgba(16, 24, 40, 0.06),
    0 22px 44px rgba(15, 23, 42, 0.08);
}

.entry-body .markdown-image img {
  max-height: 820px;
  object-fit: contain;
  background: #fbfcfe;
  padding: 10px;
}

.entry-body .markdown-image figcaption {
  padding: 0 18px 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.entry-body .markdown-image.is-missing {
  padding: 20px;
  border: 1px dashed rgba(16, 24, 40, 0.14);
}

.entry-body .markdown-image.is-missing img {
  display: none;
}

.entry-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.entry-body :not(pre) > code {
  padding: 3px 8px;
  border-radius: 9px;
  background: rgba(10, 132, 255, 0.09);
  color: #0859b5;
}

.entry-body a {
  color: #0a63d8;
  text-decoration: underline;
  text-decoration-color: rgba(10, 99, 216, 0.26);
  text-underline-offset: 3px;
}

.entry-body .markdown-divider {
  margin: 30px 0;
  border: 0;
  border-top: 1px solid rgba(16, 24, 40, 0.08);
}

.entry-body .markdown-table-wrap {
  margin: 0 0 28px;
  overflow: auto;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow:
    inset 0 0 0 1px rgba(16, 24, 40, 0.06),
    0 18px 36px rgba(15, 23, 42, 0.05);
}

.entry-body .markdown-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}

.entry-body .markdown-table th,
.entry-body .markdown-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(16, 24, 40, 0.08);
  text-align: left;
  vertical-align: top;
}

.entry-body .markdown-table th {
  background: rgba(10, 132, 255, 0.06);
  color: #20314b;
  font-weight: 600;
}

.entry-related {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid rgba(16, 24, 40, 0.08);
}

.entry-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.entry-related-card {
  padding: 18px;
  border-radius: 24px;
}

.entry-related-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.08rem;
}

.entry-side {
  display: grid;
  gap: 14px;
  position: sticky;
  top: 86px;
}

.entry-card {
  padding: 20px;
  border-radius: 24px;
}

.entry-card strong {
  display: block;
  margin-top: 10px;
  line-height: 1.5;
}

.entry-outline {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.entry-outline a {
  color: #44536a;
  line-height: 1.55;
}

.entry-outline .outline-level-h3 {
  padding-left: 14px;
  color: var(--muted);
  font-size: 0.94rem;
}

.entry-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.entry-actions a {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.08);
  color: #0a63d8;
}

body.is-photo-entry .entry-hero {
  padding-bottom: 24px;
}

body.is-photo-entry .entry-layout {
  grid-template-columns: minmax(0, 1fr);
}

body.is-photo-entry .entry-main {
  padding: 20px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.78);
}

body.is-photo-entry .entry-media {
  margin-bottom: 18px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.4);
}

body.is-photo-entry .entry-body {
  max-width: 880px;
  font-size: 1rem;
  color: #4b5b76;
}

body.is-photo-entry .entry-body p {
  margin-bottom: 0;
}

@media (max-width: 1040px) {
  .entry-layout {
    grid-template-columns: 1fr;
  }

  .entry-side {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .entry-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .entry-topbar-inner,
  .entry-shell {
    width: min(100% - 24px, 1240px);
  }

  .entry-topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .entry-title {
    max-width: 100%;
    font-size: clamp(2.2rem, 12vw, 4rem);
  }

  .entry-main {
    padding: 20px;
    border-radius: 26px;
  }

  .entry-side,
  .entry-related-grid {
    grid-template-columns: 1fr;
  }

  .entry-meta-pill {
    min-width: 0;
    flex: 1 1 100%;
  }
}