:root {
  color-scheme: light;
  --ink: #1f2328;
  --body: #31373f;
  --muted: #6b7280;
  --paper: #ffffff;
  --page: #faf8f5;
  --soft: #fff8f3;
  --brand: #f26a28;
  --brand-dark: #e05a18;
  --brand-soft: #fff1e8;
  --line: #e8e4de;
  --line-strong: #d9d3ca;
  --shadow: 0 2px 10px rgba(31, 35, 40, 0.05);
  --shadow-hover: 0 8px 24px rgba(31, 35, 40, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--body);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-dark);
  text-decoration: none;
}

a:hover {
  color: var(--brand);
  text-decoration: underline;
}

img {
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(232, 228, 222, 0.95);
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  white-space: nowrap;
}

.brand:hover {
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: auto;
  height: 48px;
  display: block;
  object-fit: contain;
}

.official {
  display: inline-flex;
  align-items: center;
  height: 21px;
  padding: 0 7px;
  border: 1px solid rgba(242, 106, 40, 0.35);
  border-radius: 4px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 10px;
  border-radius: 5px;
  color: #444b55;
  font-size: 15px;
  line-height: 1;
  white-space: nowrap;
}

.site-nav a:not(.nav-cta):hover,
.site-nav a[aria-current="page"] {
  background: rgba(31, 35, 40, 0.06);
  color: var(--ink);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  font-weight: 700;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f97c3b, var(--brand));
  color: #ffffff !important;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 5px 14px rgba(242, 106, 40, 0.22);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.nav-cta:hover,
.button:hover {
  background: linear-gradient(135deg, #f97c3b, var(--brand-dark));
  color: #ffffff !important;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(242, 106, 40, 0.25);
}

.nav-cta:active,
.button:active {
  transform: translateY(0);
  box-shadow: 0 3px 9px rgba(242, 106, 40, 0.2);
}

.nav-cta:focus-visible,
.button:focus-visible {
  outline: 2px solid rgba(242, 106, 40, 0.38);
  outline-offset: 3px;
}

.button {
  width: 100%;
  min-height: 41px;
}

.text-button {
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
}

.main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 36px 0 64px;
}

.page-intro,
.category-hero {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.category-hero {
  position: relative;
  overflow: hidden;
}

.intro-inner {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  padding: 32px 0 36px;
}

.intro-copy {
  max-width: 780px;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.32;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(31px, 4vw, 44px);
  font-weight: 800;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(21px, 2.6vw, 28px);
  font-weight: 750;
}

h3 {
  margin: 24px 0 10px;
  font-size: 20px;
}

.lede {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
}

.category-hero .lede {
  max-width: 820px;
}

.category-value {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 44px;
  align-items: center;
}

.category-main {
  min-width: 0;
}

.category-value h1 {
  margin: 0 0 12px;
  font-size: clamp(34px, 4.4vw, 48px);
}

.category-subtitle {
  max-width: 820px;
  margin: 0 0 16px;
  color: var(--brand-dark);
  font-size: clamp(18px, 2.3vw, 23px);
  font-weight: 750;
  line-height: 1.45;
}

.value-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.value-points li {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(242, 106, 40, 0.2);
  border-radius: 5px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 650;
}

.category-symbol {
  position: relative;
  display: block;
  justify-self: stretch;
  width: 100%;
  min-height: 250px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  isolation: isolate;
}

.category-symbol::before,
.category-symbol::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.category-symbol::before {
  left: -72px;
  right: 18px;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(242, 106, 40, 0), rgba(242, 106, 40, 0.09) 52%, rgba(47, 143, 131, 0.08));
  transform: translateY(-50%);
}

.category-symbol::after {
  inset: 16px 0 16px 30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 106, 40, 0.035), rgba(47, 143, 131, 0.022) 48%, rgba(255, 255, 255, 0) 72%);
}

.category-symbol svg {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 250px;
  opacity: 0.72;
  overflow: visible;
  filter: saturate(0.78);
}

.case-symbol .symbol-grid {
  stroke: #eee8e0;
  stroke-width: 0.9;
}

.case-symbol .symbol-track,
.case-symbol .symbol-track.secondary {
  stroke-width: 2.2;
}

.case-symbol .symbol-area,
.case-symbol .symbol-area.teal {
  fill: rgba(242, 106, 40, 0.07);
}

.industry-symbol svg {
  opacity: 0.78;
  filter: saturate(0.58);
}

.industry-symbol::before {
  background: none;
}

.industry-symbol::after {
  background: radial-gradient(
    circle,
    rgba(242, 106, 40, 0.03),
    rgba(47, 143, 131, 0.026) 48%,
    rgba(255, 255, 255, 0) 74%
  );
}

.industry-symbol .symbol-radar-ring,
.industry-symbol .symbol-radar-sweep,
.industry-symbol .symbol-radar-echo,
.industry-symbol .symbol-radar-focus-ring {
  fill: none;
  stroke-linecap: round;
}

.industry-symbol .symbol-radar-ring {
  stroke: #e2dad0;
  stroke-width: 1.15;
}

.industry-symbol .symbol-radar-ring.soft {
  opacity: 0.5;
  stroke-dasharray: 2 7;
}

.industry-symbol .symbol-radar-ring.inner {
  opacity: 0.65;
  stroke-width: 1;
}

.industry-symbol .symbol-radar-sweep {
  stroke: rgba(242, 106, 40, 0.44);
  stroke-width: 1.7;
}

.industry-symbol .symbol-radar-echo {
  stroke: rgba(47, 143, 131, 0.32);
  stroke-width: 1.3;
}

.industry-symbol .symbol-radar-signal,
.industry-symbol .symbol-radar-focus {
  fill: #ffffff;
  stroke-width: 1.3;
}

.industry-symbol .symbol-radar-signal {
  stroke: rgba(242, 106, 40, 0.44);
}

.industry-symbol .symbol-radar-signal.teal {
  stroke: rgba(47, 143, 131, 0.44);
}

.industry-symbol .symbol-radar-focus {
  fill: rgba(242, 106, 40, 0.18);
  stroke: rgba(242, 106, 40, 0.55);
}

.industry-symbol .symbol-radar-focus-ring {
  stroke: rgba(242, 106, 40, 0.17);
  stroke-width: 1;
}

.method-symbol svg {
  opacity: 0.8;
  filter: saturate(0.6);
}

.method-symbol::before {
  background: none;
}

.method-symbol::after {
  background: radial-gradient(
    circle,
    rgba(242, 106, 40, 0.028),
    rgba(47, 143, 131, 0.024) 50%,
    rgba(255, 255, 255, 0) 75%
  );
}

.method-symbol .symbol-method-ring {
  fill: none;
  stroke: #e2dad0;
  stroke-width: 1.2;
}

.method-symbol .symbol-method-ring.soft {
  opacity: 0.42;
  stroke-dasharray: 2 8;
}

.method-symbol .symbol-method-arrow {
  fill: none;
  stroke: rgba(242, 106, 40, 0.38);
  stroke-width: 1.45;
  stroke-linecap: round;
}

.method-symbol .symbol-method-arrow.teal {
  stroke: rgba(47, 143, 131, 0.34);
}

.method-symbol .symbol-method-step {
  fill: #ffffff;
  stroke: rgba(242, 106, 40, 0.5);
  stroke-width: 1.35;
}

.method-symbol .symbol-method-step.teal {
  stroke: rgba(47, 143, 131, 0.48);
}

.method-symbol .symbol-method-label {
  fill: #7d7367;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0;
  opacity: 0.72;
  text-anchor: middle;
}

.soft-symbol svg {
  opacity: 0.8;
  filter: saturate(0.6);
}

.soft-symbol::before {
  background: none;
}

.soft-symbol::after {
  background: radial-gradient(
    circle,
    rgba(242, 106, 40, 0.028),
    rgba(47, 143, 131, 0.024) 50%,
    rgba(255, 255, 255, 0) 75%
  );
}

.symbol-soft-outline,
.symbol-soft-shell,
.symbol-soft-flow,
.symbol-soft-arrow,
.symbol-soft-panel-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.symbol-soft-outline {
  stroke: #e2dad0;
  stroke-width: 1.2;
}

.symbol-soft-outline.dashed {
  opacity: 0.42;
  stroke-dasharray: 2 8;
}

.symbol-soft-shell {
  fill: rgba(255, 255, 255, 0.55);
  stroke: #e2dad0;
  stroke-width: 1.2;
}

.symbol-soft-shell.slice {
  stroke: rgba(242, 106, 40, 0.28);
}

.symbol-soft-flow {
  stroke: rgba(242, 106, 40, 0.34);
  stroke-width: 1.35;
}

.symbol-soft-flow.main {
  stroke: rgba(242, 106, 40, 0.38);
}

.symbol-soft-flow.teal {
  stroke: rgba(47, 143, 131, 0.3);
}

.symbol-soft-flow.dashed {
  stroke-dasharray: 2 7;
}

.symbol-soft-arrow {
  stroke: rgba(242, 106, 40, 0.4);
  stroke-width: 1.45;
}

.symbol-soft-arrow.teal {
  stroke: rgba(47, 143, 131, 0.36);
}

.symbol-soft-panel-line {
  stroke: #ddd5c9;
  stroke-width: 1.1;
}

.symbol-soft-panel-line.accent {
  stroke: rgba(242, 106, 40, 0.42);
  stroke-width: 1.3;
}

.symbol-soft-node {
  fill: #ffffff;
  stroke: rgba(242, 106, 40, 0.5);
  stroke-width: 1.35;
}

.symbol-soft-node.teal {
  stroke: rgba(47, 143, 131, 0.48);
}

.symbol-soft-focus {
  fill: none;
  stroke: rgba(242, 106, 40, 0.16);
  stroke-width: 1;
}

.symbol-soft-dot {
  fill: rgba(242, 106, 40, 0.38);
}

.symbol-soft-label {
  fill: #7d7367;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0;
  opacity: 0.72;
  text-anchor: middle;
}

.tool-symbol .symbol-soft-shell.tool-body {
  fill: rgba(255, 255, 255, 0.82);
  stroke: #d8d1c7;
}

.tool-symbol .symbol-soft-shell.tool-lid {
  fill: rgba(255, 255, 255, 0.48);
  stroke: #ddd6cc;
}

.tool-symbol .symbol-soft-flow.main {
  stroke: rgba(242, 106, 40, 0.5);
  stroke-width: 1.5;
}

.tool-symbol .symbol-soft-panel-line.accent {
  stroke: rgba(242, 106, 40, 0.5);
  stroke-width: 1.45;
}

.geo-symbol .geo-lens {
  fill: rgba(255, 255, 255, 0.42);
  stroke: rgba(226, 218, 208, 0.68);
}

.geo-symbol .geo-handle {
  stroke: rgba(242, 106, 40, 0.24);
}

.geo-symbol .geo-ai-label {
  font-size: 20px;
  font-weight: 650;
  opacity: 0.64;
}

.symbol-grid,
.symbol-link,
.symbol-track,
.symbol-flow {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.symbol-grid {
  stroke: #e8e1d8;
  stroke-width: 1.1;
}

.symbol-frame,
.symbol-module {
  fill: rgba(255, 255, 255, 0.72);
  stroke: #d7d0c7;
  stroke-width: 1.5;
}

.symbol-track {
  stroke: var(--brand);
  stroke-width: 2.7;
}

.symbol-track.secondary,
.symbol-link.teal,
.symbol-flow.secondary {
  stroke: #2f8f83;
}

.symbol-track.muted {
  stroke: #a79d92;
  stroke-width: 2;
}

.symbol-link {
  stroke: #b8afa4;
  stroke-width: 1.6;
}

.symbol-link.brand {
  stroke: rgba(242, 106, 40, 0.72);
  stroke-width: 2;
}

.symbol-flow {
  stroke: var(--brand);
  stroke-width: 2.2;
}

.symbol-dash {
  stroke-dasharray: 5 7;
}

.symbol-area {
  fill: rgba(242, 106, 40, 0.09);
}

.symbol-area.teal {
  fill: rgba(47, 143, 131, 0.08);
}

.symbol-node {
  fill: #ffffff;
  stroke: var(--ink);
  stroke-width: 2;
}

.symbol-node.brand {
  fill: var(--brand);
  stroke: var(--brand-dark);
}

.symbol-node.teal {
  fill: #2f8f83;
  stroke: #25786e;
}

.symbol-node.soft,
.symbol-module.brand {
  fill: var(--brand-soft);
  stroke: var(--brand);
}

.symbol-module.teal {
  fill: #edf8f6;
  stroke: #2f8f83;
}

.symbol-fade {
  opacity: 0.58;
}

.symbol-dot {
  fill: #ffffff;
  stroke: var(--brand);
  stroke-width: 1.8;
}

.breadcrumb {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}

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

.breadcrumb a:hover {
  color: var(--brand-dark);
}

.category-overview {
  border-bottom: 1px solid var(--line);
  background: var(--page);
}

.category-grid {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 192px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.category-card:hover {
  border-color: rgba(242, 106, 40, 0.36);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
}

.category-card h2 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
}

.category-card .category-role {
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
}

.category-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.category-card .category-words {
  margin-top: auto;
  color: #8a9099;
  font-size: 13px;
}

.guide-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.guide-group {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.guide-group h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.guide-group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-group li {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 4px;
  background: var(--soft);
  color: var(--body);
  font-size: 14px;
}

.guide-group a {
  color: var(--ink);
}

.guide-group a:hover {
  color: var(--ink);
}

.hot-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.hot-search > span {
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}

.hot-search-scroll {
  display: contents;
}

.hot-search a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #ffffff;
  color: #4a5158;
  font-size: 13px;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.hot-search a:hover {
  border-color: rgba(242, 106, 40, 0.45);
  color: var(--brand-dark);
  text-decoration: none;
}

.filter {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(242, 106, 40, 0.22);
  border-radius: 5px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 26px;
  align-items: start;
}

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

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 26px;
  align-items: start;
}

.section {
  margin-top: 36px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-head h2,
.article-feed > .section-head h2 {
  position: relative;
  margin: 0;
  padding-left: 13px;
  font-size: 24px;
}

.section-head h2::before {
  position: absolute;
  left: 0;
  top: 0.19em;
  width: 5px;
  height: 0.72em;
  border-radius: 2px;
  background: var(--brand);
  content: "";
}

.section-note {
  flex: none;
  color: var(--muted);
  font-size: 13px;
}

.section-more {
  flex: none;
  color: var(--brand-dark);
  font-weight: 700;
}

.post-list,
.article-feed {
  min-width: 0;
}

.empty-note {
  margin: 0;
  padding: 28px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  background: var(--paper);
  color: var(--muted);
  text-align: center;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
  margin-top: 16px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.page-status {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.page-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 34px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #ffffff;
  color: var(--body);
  font-size: 14px;
  line-height: 1;
  transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.page-link:hover {
  border-color: rgba(242, 106, 40, 0.42);
  background: var(--brand-soft);
  color: var(--brand-dark);
  text-decoration: none;
}

.page-link.current {
  border-color: var(--brand);
  background: var(--brand);
  color: #ffffff;
  font-weight: 750;
}

.page-link.disabled {
  color: var(--muted);
  opacity: 0.48;
}

.page-link.ellipsis {
  border-color: transparent;
  background: transparent;
}

.page-prev span[aria-hidden],
.page-next span[aria-hidden] {
  font-size: 17px;
  line-height: 1;
}

.page-prev span[aria-hidden] {
  margin-right: 5px;
}

.page-next span[aria-hidden] {
  margin-left: 5px;
}

.post-card {
  position: relative;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: inherit;
  box-shadow: var(--shadow);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.post-card:last-child {
  margin-bottom: 0;
}

.post-card:hover {
  border-color: rgba(242, 106, 40, 0.42);
  color: inherit;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.post-category {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 8px;
  border-radius: 4px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 700;
}

.post-top {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.post-top time {
  margin-left: auto;
}

.post-cover {
  flex: none;
  width: 220px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 6px;
  background: #f3f0eb;
}

.post-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.post-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-card h3 {
  margin: 9px 0 8px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.45;
}

.post-card:hover h3 {
  color: var(--brand-dark);
}

.post-summary {
  display: -webkit-box;
  min-height: 48px;
  overflow: hidden;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.post-foot time {
  color: var(--muted);
  font-size: 13px;
}

.post-foot .tag.category-tag {
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-weight: 700;
}

.post-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 15px;
}

.post-foot .read {
  margin-left: auto;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 750;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 7px;
  border-radius: 4px;
  background: #f5f2ee;
  color: #606871;
  font-size: 12px;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.category-card,
.article-card,
.topic-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: inherit;
  box-shadow: var(--shadow);
}

.category-card {
  min-height: 205px;
  padding: 18px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.category-card:hover {
  border-color: rgba(242, 106, 40, 0.42);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.category-card .num {
  color: var(--brand);
  font-size: 15px;
  font-weight: 800;
}

.category-card h3 {
  margin: 5px 0 8px;
  color: var(--ink);
  font-size: 18px;
}

.category-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.article-card {
  display: flex;
  flex-direction: column;
  min-height: 205px;
  padding: 18px;
}

.article-card:hover {
  border-color: rgba(242, 106, 40, 0.42);
  text-decoration: none;
  box-shadow: var(--shadow-hover);
}

.meta {
  color: var(--muted);
  font-size: 13px;
}

.article-card h3 {
  margin: 8px 0;
  color: var(--ink);
  font-size: 18px;
}

.article-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.article-card .read {
  margin-top: auto;
  padding-top: 14px;
  color: var(--brand-dark);
  font-weight: 750;
}

.article,
.plan-list,
.side-box,
.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.article {
  padding: 30px;
}

.article h1 {
  max-width: 720px;
  font-size: clamp(28px, 4vw, 39px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
}

.article-meta span + span::before {
  content: "·";
  margin-right: 10px;
  color: var(--line-strong);
}

.article-cover {
  margin: 20px 0 14px;
}

.article-cover img {
  width: 100%;
  max-height: 460px;
  display: block;
  border-radius: 6px;
  object-fit: cover;
}

.article-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 18px;
}

.summary {
  margin: 0;
  padding: 15px 17px;
  border-left: 4px solid var(--brand);
  border-radius: 5px;
  background: var(--brand-soft);
  color: #41474f;
}

.prose p {
  margin: 0 0 14px;
}

.prose ul,
.prose ol {
  margin: 0 0 18px;
  padding-left: 24px;
}

.prose li {
  margin: 5px 0;
}

.prose strong {
  color: var(--ink);
}

.prose > h2 {
  margin: 34px 0 14px;
  font-size: 26px;
}

.prose > h3 {
  margin: 28px 0 12px;
  font-size: 22px;
}

.prose > h4,
.prose > h5,
.prose > h6 {
  margin: 24px 0 10px;
  font-size: 19px;
}

.prose .align-center {
  text-align: center;
}

.prose .align-right {
  text-align: right;
}

.prose blockquote {
  margin: 20px 0;
  padding: 14px 18px;
  border: 1px solid #e5e6eb;
  border-left: 3px solid #d5d7de;
  border-radius: 4px;
  background: #f7f8fa;
  color: #40464e;
}

.prose blockquote > p:last-child,
.prose blockquote > ul:last-child,
.prose blockquote > ol:last-child {
  margin-bottom: 0;
}

.prose blockquote ul,
.prose blockquote ol {
  margin-bottom: 0;
}

.prose code {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #f7f5f2;
  color: #37404b;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.93em;
}

.prose pre {
  overflow-x: auto;
  margin: 20px 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7f5f2;
}

.prose pre code {
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 14px;
  line-height: 1.72;
  white-space: pre;
}

.prose hr {
  height: 1px;
  margin: 28px 0;
  border: 0;
  background: var(--line-strong);
}

.prose .prose-image {
  margin: 24px 0;
}

.prose .prose-image.align-center {
  margin-left: auto;
  margin-right: auto;
}

.prose .prose-image img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.prose .block-container {
  margin: 20px 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

th,
td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  background: #f8f5f1;
  color: var(--ink);
  font-weight: 750;
}

tbody tr:nth-child(even) {
  background: #fdfcfa;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  margin: 0 0 11px;
  padding: 14px 16px 14px 53px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
}

.steps li::before {
  counter-increment: steps;
  content: counter(steps);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 27px;
  height: 27px;
  border-radius: 5px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 800;
  line-height: 27px;
  text-align: center;
}

.sidebar {
  position: static;
  display: grid;
  gap: 14px;
}

.side-box {
  padding: 18px;
}

.side-box h2,
.side-box h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 18px;
}

.ranked-list {
  display: grid;
  gap: 13px;
}

.ranked-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  color: #3c434b;
}

.ranked-item:hover {
  color: var(--brand-dark);
  text-decoration: none;
}

.ranked-item.featured {
  grid-template-columns: minmax(0, 1fr);
}

.ranked-cover {
  position: relative;
  display: block;
  width: 96px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 5px;
  background: #f3f1ed;
}

.ranked-item.featured .ranked-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.ranked-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.16s ease;
}

.ranked-item:hover .ranked-cover img {
  transform: scale(1.02);
}

.ranked-info {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.rank-badge {
  position: absolute;
  left: 5px;
  top: 5px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 4px;
  background: rgba(242, 106, 40, 0.88);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(31, 35, 40, 0.14);
}

.ranked-item.featured .rank-badge {
  left: 8px;
  top: 8px;
  min-width: 20px;
  height: 20px;
  font-size: 10px;
  line-height: 20px;
}

.ranked-title {
  display: -webkit-box;
  min-height: 42px;
  overflow: hidden;
  color: inherit;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.48;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.ranked-item.featured .ranked-title {
  min-height: 0;
  color: #ffffff;
  font-size: 15px;
  line-height: 1.4;
  -webkit-line-clamp: 2;
}

.ranked-date {
  color: #7b8494;
  font-size: 12px;
  line-height: 1.2;
}

.ranked-overlay {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  gap: 4px;
  padding: 30px 10px 9px;
  background: linear-gradient(180deg, rgba(19, 42, 61, 0) 0%, rgba(19, 42, 61, 0.86) 100%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.16s ease, visibility 0.16s ease;
}

.ranked-item.featured:hover .ranked-overlay,
.ranked-item.featured:focus-visible .ranked-overlay {
  opacity: 1;
  visibility: visible;
}

.ranked-item.featured .ranked-date {
  color: rgba(255, 255, 255, 0.82);
}

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

.side-list li + li {
  margin-top: 9px;
}

.side-list a {
  color: #3c434b;
  font-weight: 400;
}

.rank-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rank;
}

.rank-list li {
  counter-increment: rank;
  display: flex;
  gap: 9px;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid #f0ece7;
}

.rank-list li:last-child {
  border-bottom: 0;
}

.rank-list li::before {
  flex: none;
  width: 22px;
  color: var(--brand);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.55;
  text-align: center;
  content: counter(rank);
}

.rank-list a {
  color: #3c434b;
  font-weight: 600;
  line-height: 1.55;
}

.definition {
  border-left: 4px solid var(--brand);
  background: var(--soft);
}

.brand-box {
  background: var(--brand-soft);
  border-color: rgba(242, 106, 40, 0.24);
}

.brand-box img {
  display: block;
  width: auto;
  height: 48px;
  margin-bottom: 10px;
  object-fit: contain;
}

.brand-box p {
  margin: 0 0 15px;
  color: #4a5158;
  font-size: 14px;
}

.brand-box .text-button {
  display: block;
  margin-top: 10px;
  text-align: center;
}

.plan-list {
  margin: 0;
  padding: 8px 22px 10px;
}

.plan-list li {
  padding: 11px 0;
  border-bottom: 1px solid #f0ece7;
}

.plan-list li:last-child {
  border-bottom: 0;
}

.faq {
  margin-top: 34px;
}

.faq-item {
  margin-bottom: 11px;
  box-shadow: none;
}

.faq-item h3 {
  margin: 0;
  padding: 13px 16px;
  border-bottom: 1px solid #f0ece7;
  font-size: 17px;
}

.faq-item p {
  margin: 0;
  padding: 0 16px 15px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
}

.footer-inner {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  padding: 36px 0;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: 30px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-weight: 750;
}

.footer-brand img {
  width: auto;
  height: 48px;
  object-fit: contain;
}

.footer-logo {
  flex: none;
  display: flex;
  align-items: center;
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(3, 86px);
  gap: 12px;
  margin: 0;
  padding: 24px 0 0;
  list-style: none;
}

.footer-contact li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.footer-contact img {
  width: 86px;
  height: 86px;
  border: 1px solid #e9e3db;
  border-radius: 6px;
  background: #ffffff;
  object-fit: cover;
}

.footer-contact span {
  color: #8a9099;
  font-size: 12px;
}

.footer-brand span {
  display: none;
}

.footer-inner > div > p {
  margin: 10px 0 0;
  max-width: 290px;
  font-size: 14px;
}

.site-footer h2 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 15px;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer .footer-contact {
  margin-top: 24px;
}

.site-footer .footer-contact li + li {
  margin-top: 0;
}

.site-footer li + li {
  margin-top: 7px;
}

.site-footer a {
  color: var(--muted);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid var(--line);
  background: #faf8f5;
}

.footer-bottom-inner {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  padding: 15px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
}

.footer-bottom-inner a {
  color: inherit;
}

.footer-bottom-inner a:hover {
  color: var(--brand-dark);
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 12px;
  top: 10px;
  z-index: 50;
  padding: 8px 12px;
  border-radius: 5px;
  background: #ffffff;
  color: var(--ink);
  box-shadow: var(--shadow);
}

@media (max-width: 1080px) {
  .grid-5 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .category-value {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .category-symbol {
    justify-self: center;
    width: min(100%, 430px);
    min-height: 180px;
    margin-top: 2px;
  }

  .category-symbol::before {
    left: 8%;
    right: 8%;
  }

  .category-symbol::after {
    inset: 12px 8% 12px 18%;
  }

  .category-symbol svg {
    height: 180px;
  }

  .content-layout,
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: static;
  }

  .grid-3,
  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-map {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 780px) {
  .header-inner {
    width: min(100% - 24px, 1180px);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    min-height: 0;
    padding: 10px 0 9px;
  }

  .brand {
    justify-content: flex-start;
  }

  .brand img {
    width: auto;
    height: 34px;
  }

  .site-nav {
    overflow-x: auto;
    padding: 1px 0 3px;
  }

  .site-nav a {
    min-height: 34px;
    padding: 0 9px;
    font-size: 14px;
  }

  .site-nav .home-link {
    display: inline-flex;
  }

  .nav-cta {
    flex: none;
    min-height: 34px;
    padding: 0 14px;
    box-shadow: none;
  }

  .main,
  .intro-inner,
  .category-grid,
  .footer-bottom-inner {
    width: min(100% - 24px, 1180px);
  }

  .category-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .intro-inner {
    padding: 24px 0 27px;
  }

  .main {
    padding: 22px 0 42px;
  }

  .hot-search {
    flex-wrap: nowrap;
    gap: 8px;
  }

  .hot-search > span {
    flex: none;
    padding-right: 8px;
  }

  .hot-search-scroll {
    display: flex;
    flex: 1;
    min-width: 0;
    gap: 8px;
    overflow-x: auto;
    padding: 0 6px 2px 0;
    scrollbar-width: none;
  }

  .hot-search a {
    flex: none;
    white-space: nowrap;
  }

  .hot-search-scroll::-webkit-scrollbar {
    display: none;
  }

  h1 {
    font-size: 29px;
  }

  .category-subtitle {
    font-size: 17px;
  }

  .category-symbol {
    display: none;
    width: min(100%, 320px);
    min-height: 156px;
    margin: 0 auto;
  }

  .category-symbol::after {
    inset: 10px 4% 10px 12%;
  }

  .category-symbol svg {
    height: 156px;
  }

  h2 {
    font-size: 22px;
  }

  .section-head h2 {
    font-size: 21px;
  }

  .lede {
    font-size: 16px;
  }

  .grid-5,
  .grid-3,
  .footer-inner,
  .footer-bottom-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    margin-top: 28px;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .value-points {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0 6px 2px;
    scrollbar-width: none;
  }

  .value-points li {
    flex: none;
    white-space: nowrap;
  }

  .value-points::-webkit-scrollbar {
    display: none;
  }

  .post-card {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
    overflow: hidden;
  }

  .post-cover {
    width: 112px;
    height: 63px;
  }

  .post-card h3 {
    display: -webkit-box;
    min-height: 42px;
    margin: 0;
    overflow: hidden;
    font-size: 15.5px;
    line-height: 1.35;
    white-space: normal;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .post-body {
    height: 63px;
    justify-content: space-between;
    overflow: hidden;
  }

  .post-summary {
    display: none;
  }

  .post-foot {
    flex: none;
    align-items: center;
    min-height: 19px;
    margin-top: 0;
    overflow: hidden;
    white-space: nowrap;
    gap: 5px;
    line-height: 19px;
  }

  .post-foot .tag:not(.category-tag) {
    display: none;
  }

  .post-foot .read {
    display: none;
  }

  .pagination {
    flex-wrap: nowrap;
    justify-content: center;
    gap: 0;
    padding: 8px 7px;
  }

  .page-status {
    display: none;
  }

  .page-links {
    flex: 1;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 3px;
    min-width: 0;
  }

  .page-link {
    min-width: 28px;
    min-height: 32px;
    padding: 0 3px;
    font-size: 13px;
  }

  .page-prev,
  .page-next {
    min-width: 30px;
  }

  .page-command {
    display: none;
  }

  .page-prev span[aria-hidden],
  .page-next span[aria-hidden] {
    margin: 0;
  }

  .article {
    padding: 18px;
  }

  .steps li {
    padding-left: 50px;
  }
}