:root {
  --ink: #17202a;
  --muted: #5f6f7f;
  --paper: #f6f4ef;
  --panel: #ffffff;
  --line: #d8e1e7;
  --accent: #176b87;
  --accent-2: #8a5a22;
  --soft: #eef5f6;
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.58;
}

a { color: inherit; }

.topbar {
  align-items: center;
  background: rgba(246, 244, 239, 0.96);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 16px max(20px, calc((100vw - 1120px) / 2));
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

nav a[aria-current="page"],
nav a:hover { color: var(--accent); }

main {
  margin: 0 auto;
  padding: 34px 20px 72px;
  width: min(1120px, 100%);
}

.hero {
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  min-height: 420px;
  padding: 56px 0 36px;
}

.eyebrow,
.label {
  color: var(--accent-2);
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 10px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(42px, 7vw, 84px);
  line-height: 0.95;
  margin: 0;
  max-width: 850px;
}

h2 {
  font-size: 24px;
  line-height: 1.15;
  margin: 0 0 14px;
}

.lede {
  color: var(--muted);
  font-size: 20px;
  max-width: 760px;
}

.answer-panel,
section,
.side-note {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.answer-panel {
  align-self: end;
}

.answer-panel strong {
  display: block;
  font-size: 28px;
  line-height: 1.12;
}

.search-box {
  align-items: end;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-top: 28px;
  max-width: 640px;
}

.search-box label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  grid-column: 1 / -1;
}

input,
button {
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  min-height: 46px;
  padding: 10px 13px;
}

button {
  background: var(--ink);
  color: white;
  cursor: pointer;
  font-weight: 800;
}

.section-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) 320px;
  margin: 24px 0;
}

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

.guide-link {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  padding: 18px;
  text-decoration: none;
  transition: border-color 150ms ease, transform 150ms ease;
}

.guide-link:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.guide-link span {
  display: block;
  font-size: 18px;
  font-weight: 800;
}

.guide-link small {
  color: var(--muted);
  display: block;
  margin-top: 4px;
}

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

.article {
  max-width: 880px;
}

.article h1 {
  font-size: clamp(36px, 6vw, 68px);
}

.top-answer {
  background: var(--soft);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  font-size: 21px;
  margin: 24px 0;
  padding: 20px;
}

section {
  margin: 22px 0;
}

.steps {
  margin: 0;
  padding-left: 24px;
}

.steps li {
  margin: 12px 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

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

th {
  color: var(--accent-2);
  font-size: 13px;
  text-transform: uppercase;
}

.warning {
  background: #fff8e8;
  border-color: #e6cb87;
}

details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related a {
  background: var(--soft);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 800;
  padding: 8px 12px;
  text-decoration: none;
}

.ad-slot {
  align-items: center;
  background: #f2f7f8;
  border: 1px dashed #8bb7c2;
  border-radius: 8px;
  color: #315864;
  display: flex;
  font-size: 12px;
  font-weight: 800;
  justify-content: center;
  margin: 22px 0;
  min-height: 120px;
  padding: 12px;
  text-align: center;
  text-transform: uppercase;
}

.ad-banner-mobile {
  min-height: 50px;
  max-width: 320px;
}

.ad-smartlink {
  background: #fff8e8;
  border: 1px solid #e2c57c;
  border-radius: 8px;
  color: #5d4213;
  display: inline-flex;
  font-weight: 800;
  margin-top: 12px;
  padding: 10px 14px;
  text-decoration: none;
}

.page-title {
  margin-top: 24px;
}

@media (max-width: 820px) {
  .topbar,
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .section-grid,
  .principles {
    grid-template-columns: 1fr;
  }

  .search-box {
    grid-template-columns: 1fr;
  }

  .ad-banner-mobile {
    max-width: none;
  }
}

:root {
  --pk-ink: #111827;
  --pk-muted: #53606f;
  --pk-line: #d7dee8;
  --pk-panel: #ffffff;
  --pk-soft: #f4f8fb;
  --pk-blue: #1457d9;
  --pk-teal: #0b766f;
  --pk-red: #c62828;
}

body {
  background:
    radial-gradient(circle at 18% 0%, rgba(20, 87, 217, 0.08), transparent 30rem),
    linear-gradient(180deg, #f7fafc 0%, #ffffff 44rem);
  color: var(--pk-ink);
  overflow-x: hidden;
}

.topbar {
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--pk-line);
  box-shadow: 0 12px 30px rgba(20, 34, 58, 0.06);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand::before {
  background: linear-gradient(135deg, var(--pk-blue), var(--pk-teal));
  border-radius: 8px;
  content: "";
  display: inline-block;
  height: 18px;
  margin-right: 10px;
  vertical-align: -3px;
  width: 18px;
}

.hero {
  align-items: stretch;
  gap: 28px;
  padding-top: 42px;
}

.hero h1 {
  letter-spacing: 0;
  line-height: 1.02;
}

.answer-panel,
.side-note,
.guide-link,
.principles p,
.creator-strip,
.hub-panel,
.site-card {
  border: 1px solid var(--pk-line);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.07);
}

.guide-link {
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.guide-link:hover {
  border-color: rgba(20, 87, 217, 0.35);
  box-shadow: 0 20px 45px rgba(20, 87, 217, 0.10);
  transform: translateY(-2px);
}

.creator-strip {
  align-items: stretch;
  background: linear-gradient(135deg, #ffffff 0%, #eef6ff 100%);
  border-radius: 8px;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  margin: 44px 0;
  padding: 24px;
}

.creator-label {
  color: var(--pk-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.creator-copy h2 {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1;
  margin: 0 0 14px;
}

.creator-copy p {
  color: var(--pk-muted);
  line-height: 1.7;
  max-width: 62ch;
  overflow-wrap: break-word;
}

.creator-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.creator-actions a,
.x-timeline-link {
  background: var(--pk-ink);
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  font-size: 14px;
  font-weight: 800;
  padding: 11px 14px;
  text-decoration: none;
}

.creator-actions a:nth-child(2) { background: #6441a5; }
.creator-actions a:nth-child(3), .x-timeline-link { background: #0f172a; }

.creator-media {
  display: grid;
  gap: 14px;
}

.media-frame {
  aspect-ratio: 16 / 9;
  background: #0f172a;
  border-radius: 8px;
  overflow: hidden;
}

.media-frame iframe {
  border: 0;
  height: 100%;
  width: 100%;
}

.x-timeline-link {
  justify-content: center;
}

.x-frame {
  background: #ffffff;
  border: 1px solid var(--pk-line);
  border-radius: 8px;
  min-height: 120px;
  overflow: hidden;
  padding: 10px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 920px) {
  .creator-strip {
    grid-template-columns: 1fr;
  }

  .creator-media,
  .media-frame {
    min-width: 0;
  }
}