:root {
  --bg: #f2fbfa;
  --surface: #ffffff;
  --ink: #071517;
  --muted: #263f42;
  --line: #c7e8e5;
  --blue: #008f8a;
  --blue-strong: #006c68;
  --cyan: #00a9a2;
  --green: #00b894;
  --soft: #e3f8f5;
  --soft-strong: #c8f1ec;
  --shadow: 0 22px 60px rgba(0, 108, 104, 0.16);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(0, 184, 148, 0.2), transparent 34rem),
    linear-gradient(180deg, #e9faf8 0%, var(--bg) 42%, #ffffff 100%);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.65;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 14px 0;
  border-bottom: 1px solid rgba(199, 232, 229, 0.78);
  background: rgba(242, 251, 250, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, #007c78, #00c2a0);
  box-shadow: 0 12px 28px rgba(0, 143, 138, 0.28);
}

.nav-link,
.portal-nav a {
  color: var(--blue-strong);
  font-size: 14px;
  font-weight: 800;
}

.portal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
}

.portal-hero {
  min-height: 76vh;
  display: flex;
  flex-direction: column;
}

.hero-content {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  padding: 42px 0 78px;
}

.eyebrow {
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-content h1,
.service-hero h1 {
  max-width: 920px;
  margin: 12px 0 18px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: 0;
  color: #050c0d;
}

.hero-content p,
.service-hero p {
  max-width: 760px;
  margin: 0;
  color: #1b3437;
  font-size: 19px;
  font-weight: 500;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 850px;
  margin-top: 42px;
}

.hero-stats div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 35px rgba(0, 108, 104, 0.1);
}

.hero-stats strong {
  display: block;
  color: var(--blue-strong);
  font-size: 36px;
  line-height: 1;
}

.hero-stats span {
  display: block;
  margin-top: 8px;
  color: #142b2d;
  font-size: 14px;
  font-weight: 700;
}

.portal-main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 80px;
}

.service-section {
  padding: 58px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-heading p {
  max-width: 360px;
  margin: 0;
  color: #173538;
  font-size: 15px;
  font-weight: 600;
  text-align: right;
}

.section-heading h2 {
  margin: 4px 0 0;
  font-size: 34px;
  line-height: 1.15;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.root-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1180px;
  margin-top: 40px;
}

.service-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 5px solid var(--cyan);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(0, 108, 104, 0.1);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.solution-card {
  min-height: 320px;
  border-top-width: 7px;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 169, 162, 0.55);
  box-shadow: var(--shadow);
}

.card-kicker {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.service-card h3 {
  margin: 18px 0 12px;
  font-size: 24px;
  line-height: 1.18;
  letter-spacing: 0;
  color: #050c0d;
}

.service-card p {
  margin: 0 0 24px;
  color: #183436;
  font-size: 15px;
  font-weight: 500;
}

.card-action {
  margin-top: auto;
  color: var(--blue-strong);
  font-weight: 900;
}

.solution-meta {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 8px 0 22px;
  color: #142b2d;
}

.solution-meta strong {
  color: var(--blue-strong);
  font-size: 34px;
  line-height: 1;
}

.solution-meta span {
  font-size: 14px;
  font-weight: 800;
}

.service-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) 260px;
  gap: 28px;
  width: min(1280px, calc(100% - 40px));
  margin: 22px auto 80px;
  align-items: start;
}

.toc-panel,
.related-panel {
  position: sticky;
  top: 84px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 28px rgba(0, 108, 104, 0.1);
}

.toc-panel h2,
.related-panel h2 {
  margin: 6px 0 16px;
  font-size: 18px;
  line-height: 1.25;
}

.toc-panel nav {
  display: grid;
  gap: 10px;
}

.toc-panel a {
  color: #20393c;
  font-size: 14px;
  font-weight: 700;
}

.toc-panel a:hover { color: var(--blue-strong); }

.service-article {
  min-width: 0;
}

.service-hero {
  padding: 36px 0 34px;
}

.service-hero h1 {
  font-size: clamp(38px, 6vw, 72px);
}

.content-card {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.content-card h2 {
  margin: 44px 0 14px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--blue-strong);
  font-size: 30px;
  line-height: 1.25;
}

.content-card h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.content-card h3 {
  margin: 30px 0 10px;
  color: #063836;
  font-size: 22px;
  line-height: 1.3;
}

.content-card h4 {
  margin: 24px 0 8px;
  color: #16383a;
  font-size: 18px;
}

.content-card p {
  margin: 0 0 16px;
  color: #111f21;
  font-size: 16px;
  font-weight: 500;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 24px;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 12px 14px 12px 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #f7fffe, var(--soft));
  color: #091b1d;
  font-weight: 700;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.proposal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.proposal-pill {
  min-height: 118px;
  padding: 18px;
  border: 1px solid rgba(0, 169, 162, 0.32);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #e8faf7);
  box-shadow: 0 14px 34px rgba(0, 108, 104, 0.1);
}

.proposal-pill span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.proposal-pill strong {
  display: block;
  color: #050c0d;
  font-size: 16px;
  line-height: 1.35;
}

.content-card .proposal-emphasis {
  border-color: rgba(0, 184, 148, 0.45);
}

.content-card h2.proposal-emphasis,
.content-card h2.proposal-structure,
.content-card h2.proposal-context {
  margin-left: -18px;
  margin-right: -18px;
  padding: 22px 18px;
  border: 1px solid rgba(0, 169, 162, 0.28);
  border-left: 6px solid var(--cyan);
  border-radius: 8px;
  background: linear-gradient(90deg, #dff8f4, #ffffff);
  color: #042322;
}

.content-card h2.proposal-emphasis {
  border-left-color: var(--green);
  background: linear-gradient(90deg, #ccf5ec, #ffffff);
}

.content-card p.proposal-emphasis {
  padding: 16px 18px;
  border: 1px solid rgba(0, 184, 148, 0.38);
  border-radius: 8px;
  background: #f1fffc;
  color: #071517;
  font-weight: 700;
}

.feature-list.proposal-emphasis li,
.feature-list.proposal-structure li {
  border-color: rgba(0, 169, 162, 0.42);
  background: #f2fffc;
  box-shadow: 0 8px 22px rgba(0, 108, 104, 0.08);
}

.feature-list.proposal-emphasis li::before {
  width: 10px;
  height: 10px;
  background: var(--blue-strong);
}

.table-wrap.proposal-emphasis {
  border-color: rgba(0, 169, 162, 0.48);
  box-shadow: 0 14px 34px rgba(0, 108, 104, 0.1);
}

.table-wrap {
  overflow-x: auto;
  margin: 20px 0 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--blue-strong);
  background: var(--soft-strong);
  font-weight: 800;
}

tr:last-child td { border-bottom: 0; }

.related-list {
  display: grid;
  gap: 10px;
}

.related-link {
  display: block;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(0, 108, 104, 0.06);
}

.related-link span {
  display: block;
  color: var(--blue-strong);
  font-size: 14px;
  font-weight: 800;
}

.related-link small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.event-header {
  width: min(1440px, calc(100% - 40px));
}

.event-page {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 30px;
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto 96px;
  align-items: start;
}

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

.event-sidebar {
  position: sticky;
  top: 84px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(0, 108, 104, 0.1);
}

.event-sidebar h2 {
  margin: 6px 0 18px;
  color: #071517;
  font-size: 20px;
  line-height: 1.2;
}

.event-sidebar nav {
  display: grid;
  gap: 8px;
}

.event-sidebar a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #173538;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
}

.event-sidebar a:hover {
  border-color: rgba(0, 169, 162, 0.35);
  background: var(--soft);
  color: var(--blue-strong);
}

.event-sidebar a span {
  display: inline-flex;
  justify-content: center;
  padding: 4px 0;
  border-radius: 999px;
  background: var(--soft-strong);
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 900;
}

.event-hero {
  padding: 72px 0 64px;
}

.event-hero h1 {
  max-width: 1040px;
  margin: 16px 0 18px;
  color: #050c0d;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: 0;
}

.event-hero > p {
  max-width: 760px;
  margin: 0;
  color: #173538;
  font-size: 22px;
  font-weight: 600;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--blue-strong);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-kicker span {
  display: inline-block;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--green);
}

.event-hero-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.event-hero-card,
.event-card,
.event-panel,
.event-price-card,
.event-step {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 34px rgba(0, 108, 104, 0.1);
}

.event-hero-card {
  min-height: 190px;
  padding: 24px;
  border-top: 5px solid var(--cyan);
}

.event-hero-card span,
.event-price-card span {
  display: inline-block;
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.event-hero-card strong {
  display: block;
  margin-top: 12px;
  color: #050c0d;
  font-size: 24px;
  line-height: 1.2;
}

.event-hero-card p {
  margin: 14px 0 0;
  color: #173538;
  font-weight: 600;
}

.event-section {
  padding: 76px 0;
  border-top: 1px solid var(--line);
}

.event-section-heading {
  max-width: 920px;
  margin-bottom: 32px;
}

.event-section-heading h2 {
  margin: 14px 0 14px;
  color: #050c0d;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

.event-section-heading p {
  margin: 0;
  color: #173538;
  font-size: 19px;
  font-weight: 600;
}

.event-compare-grid,
.event-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.event-panel {
  padding: 28px;
}

.event-panel-warm {
  background: linear-gradient(180deg, #fff, #fff7f4);
  border-color: #f1d4c9;
}

.event-panel-cool {
  background: linear-gradient(180deg, #fff, #ecfbf7);
  border-color: rgba(0, 184, 148, 0.35);
}

.event-panel h3,
.event-card h3,
.event-price-card h3 {
  margin: 0 0 18px;
  color: #071517;
  font-size: 24px;
  line-height: 1.25;
}

.event-panel ul,
.event-card ul,
.event-price-card ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.event-panel li,
.event-card li,
.event-price-card li {
  position: relative;
  padding: 13px 0 13px 28px;
  border-top: 1px solid rgba(199, 232, 229, 0.7);
  color: #10292b;
  font-weight: 700;
}

.event-panel li:first-child,
.event-card li:first-child,
.event-price-card li:first-child {
  border-top: 0;
}

.event-panel li::before,
.event-card li::before,
.event-price-card li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.event-panel-warm li::before {
  background: #f06b53;
}

.event-card-grid,
.event-timeline,
.event-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.event-card-grid-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.event-card {
  min-height: 260px;
  padding: 24px;
  border-top: 5px solid var(--cyan);
}

.event-chip-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.event-chip {
  min-height: 112px;
  display: flex;
  align-items: end;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #e8faf7);
  color: #071517;
  font-size: 17px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(0, 108, 104, 0.08);
}

.event-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.event-step {
  min-height: 150px;
  padding: 22px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.event-step:nth-child(4n) {
  border-right: 0;
}

.event-step span {
  display: block;
  color: rgba(0, 108, 104, 0.18);
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
}

.event-step strong {
  display: block;
  margin-top: 14px;
  color: #071517;
  font-size: 20px;
  line-height: 1.25;
}

.event-price-card {
  padding: 28px;
  border-top: 6px solid var(--cyan);
}

.event-price-card > strong {
  display: block;
  margin: 4px 0 20px;
  color: var(--blue-strong);
  font-size: 28px;
  line-height: 1.15;
}

.event-highlight-band {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(0, 169, 162, 0.35);
  border-radius: 8px;
  background: linear-gradient(90deg, #e1faf6, #ffffff);
  box-shadow: var(--shadow);
}

.event-highlight-band div {
  min-height: 108px;
  display: flex;
  align-items: end;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.event-highlight-band strong {
  color: #071517;
  font-size: 16px;
  line-height: 1.25;
}

.social-page .event-hero-card {
  border-top-color: var(--green);
}

.social-flow-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
}

.social-flow-card {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(0, 108, 104, 0.1);
}

.social-flow-card h3 {
  margin: 0 0 18px;
  color: #071517;
  font-size: 26px;
}

.social-flow-card p {
  margin: 0;
  color: #173538;
  font-size: 18px;
  font-weight: 700;
}

.social-flow-card-strong {
  border-color: rgba(0, 184, 148, 0.42);
  background: linear-gradient(180deg, #fff, #e7faf6);
}

.social-flow-card-strong strong {
  display: inline-flex;
  margin-top: 22px;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--soft-strong);
  color: var(--blue-strong);
  font-size: 16px;
}

.social-chart-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 0.8fr 0.65fr;
  gap: 16px;
  align-items: stretch;
}

.social-pillar-card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(0, 108, 104, 0.1);
}

.social-pillar-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.social-pillar-top strong {
  color: var(--blue-strong);
  font-size: 42px;
  line-height: 1;
}

.social-pillar-top span {
  color: #071517;
  font-size: 18px;
  font-weight: 900;
}

.social-bar {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft);
}

.social-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue-strong), var(--green));
}

.social-pillar-card p {
  margin: 18px 0 0;
  color: #173538;
  font-weight: 700;
}

.social-stack-list,
.social-kpi-bars {
  display: grid;
  gap: 12px;
}

.social-stack-item {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.social-stack-item strong,
.social-stack-item span {
  display: block;
}

.social-stack-item strong {
  color: var(--blue-strong);
  font-size: 16px;
}

.social-stack-item span {
  margin-top: 4px;
  color: #173538;
  font-weight: 700;
}

.social-kpi-bar {
  position: relative;
  overflow: hidden;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.social-kpi-bar div {
  position: relative;
  z-index: 1;
}

.social-kpi-bar strong,
.social-kpi-bar span {
  display: block;
}

.social-kpi-bar strong {
  color: #071517;
  font-size: 18px;
}

.social-kpi-bar span {
  margin-top: 4px;
  color: #173538;
  font-weight: 700;
}

.social-kpi-bar i {
  position: absolute;
  inset: auto auto 0 0;
  height: 7px;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(90deg, var(--green), var(--cyan));
}

.social-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.social-price-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-top: 7px solid var(--cyan);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(0, 108, 104, 0.12);
}

.social-price-card:nth-child(2) {
  transform: translateY(-10px);
  border-top-color: var(--green);
  box-shadow: var(--shadow);
}

.social-price-head span {
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.social-price-head h3 {
  margin: 8px 0 18px;
  color: #071517;
  font-size: 30px;
  line-height: 1.1;
}

.social-price-metrics {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.social-price-metrics div {
  padding: 14px;
  border: 1px solid rgba(0, 169, 162, 0.3);
  border-radius: 8px;
  background: var(--soft);
}

.social-price-metrics span,
.social-price-metrics strong {
  display: block;
}

.social-price-metrics span {
  color: #173538;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.social-price-metrics strong {
  margin-top: 4px;
  color: var(--blue-strong);
  font-size: 24px;
  line-height: 1.15;
}

.social-price-card ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.social-price-card li {
  position: relative;
  padding: 12px 0 12px 28px;
  border-top: 1px solid var(--line);
  color: #10292b;
  font-weight: 700;
}

.social-price-card li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 21px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.ai-service-page .event-hero-card {
  border-top-color: var(--cyan);
}

.ai-service-hero .event-hero-card strong {
  font-size: 21px;
}

.ai-intro-section .event-panel p,
.ai-section-body p,
.ai-detail-card p,
.ai-related-card p {
  margin: 0 0 14px;
  color: #173538;
  font-size: 16px;
  font-weight: 600;
}

.ai-section-body > p {
  max-width: 960px;
  margin-bottom: 18px;
  font-size: 18px;
}

.ai-full-intro {
  width: 100%;
  padding: 34px;
  border: 1px solid rgba(0, 169, 162, 0.26);
  border-left: 7px solid var(--cyan);
  border-radius: 8px;
  background: linear-gradient(90deg, #ffffff, #ecfbf8);
  box-shadow: 0 18px 42px rgba(0, 108, 104, 0.1);
}

.ai-full-intro h3 {
  margin: 0 0 20px;
  color: #071517;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.1;
}

.ai-full-intro p {
  max-width: none;
  margin: 0 0 18px;
  color: #10292b;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.65;
}

.ai-full-intro p:last-child,
.ai-full-intro ul:last-child {
  margin-bottom: 0;
}

.ai-full-intro ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.ai-full-intro li {
  position: relative;
  padding: 13px 14px 13px 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #10292b;
  font-weight: 800;
}

.ai-full-intro li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.ai-section-body > ul,
.ai-detail-card ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 26px;
  padding: 0;
  list-style: none;
}

.ai-section-body > ul li,
.ai-detail-card li {
  position: relative;
  padding: 12px 14px 12px 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, var(--soft));
  color: #10292b;
  font-weight: 800;
}

.ai-section-body > ul li::before,
.ai-detail-card li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 21px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.ai-detail-card {
  min-height: 230px;
}

.ai-detail-card h4,
.ai-section-body h3,
.ai-section-body h4 {
  margin: 18px 0 10px;
  color: #063836;
  font-size: 18px;
  line-height: 1.25;
}

.ai-section-emphasis .event-section-heading h2,
.ai-section-structure .event-section-heading h2 {
  color: var(--blue-strong);
}

.ai-section-emphasis .event-card,
.ai-section-emphasis .event-panel,
.ai-section-emphasis .table-wrap {
  border-color: rgba(0, 184, 148, 0.42);
  box-shadow: 0 18px 42px rgba(0, 108, 104, 0.12);
}

.ai-section-emphasis .event-card,
.ai-section-emphasis .event-panel {
  background: linear-gradient(180deg, #fff, #e8faf7);
}

.ai-section-context .event-card {
  border-top-color: #f06b53;
}

.ai-section-structure .event-card {
  border-top-color: var(--green);
}

.ai-section-stack .event-card {
  border-top-color: #00a9a2;
}

.ai-related-card {
  display: block;
  min-height: 180px;
}

.ai-related-card h3 {
  color: var(--blue-strong);
}

@media (max-width: 1080px) {
  .service-layout {
    grid-template-columns: 1fr;
  }

  .service-article {
    order: 1;
  }

  .toc-panel,
  .related-panel {
    position: static;
  }

  .toc-panel {
    order: 2;
  }

  .related-panel {
    order: 3;
  }

  .toc-panel nav,
  .related-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .proposal-strip {
    grid-template-columns: 1fr;
  }

  .event-hero-grid,
  .event-compare-grid,
  .event-split,
  .event-card-grid,
  .event-card-grid-5,
  .event-timeline,
  .event-pricing-grid,
  .event-chip-grid,
  .event-highlight-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .social-flow-grid,
  .social-chart-grid,
  .social-pricing-grid {
    grid-template-columns: 1fr;
  }

  .social-price-card:nth-child(2) {
    transform: none;
  }

  .ai-section-body > ul,
  .ai-detail-card ul,
  .ai-full-intro ul {
    grid-template-columns: 1fr;
  }

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

  .event-step:nth-child(4n) {
    border-right: 1px solid var(--line);
  }

  .event-step:nth-child(2n) {
    border-right: 0;
  }

  .event-page {
    grid-template-columns: 1fr;
  }

  .event-sidebar {
    position: static;
  }

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

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading p {
    max-width: none;
    text-align: left;
  }

  .hero-stats,
  .card-grid,
  .root-grid,
  .feature-list,
  .toc-panel nav,
  .related-list {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-top: 28px;
  }

  .content-card {
    padding: 26px 20px;
  }

  .service-card {
    min-height: 0;
  }

  .event-hero {
    padding: 44px 0 42px;
  }

  .event-sidebar nav {
    grid-template-columns: 1fr;
  }

  .event-section {
    padding: 52px 0;
  }

  .event-hero-grid,
  .event-compare-grid,
  .event-split,
  .event-card-grid,
  .event-card-grid-5,
  .event-timeline,
  .event-pricing-grid,
  .event-chip-grid,
  .event-highlight-band,
  .event-steps {
    grid-template-columns: 1fr;
  }

  .event-step,
  .event-step:nth-child(2n),
  .event-step:nth-child(4n) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .event-step:last-child {
    border-bottom: 0;
  }
}