* { box-sizing: border-box; }

html,
body { margin: 0; min-height: 100%; }

body {
  font-family: "Noto Sans KR", sans-serif;
}

.guide-main {
  position: relative;
  min-height: 100vh;
  padding: 126px 24px 48px;
  overflow: hidden;
}

.guide-main::before {
  content: "";
  position: fixed;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, #c3edf7aa 0%, #c3edf733 27%, transparent 53%),
              linear-gradient(180deg, transparent 62%, #13202c7a 100%);
}

.guide-shell,
.guide-footer {
  position: relative;
  z-index: 1;
}

.guide-shell {
  width: min(100%, 980px);
  margin: 0 auto;
}

.guide-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  margin: 0 0 18px;
  font-size: 12px;
  color: #376478;
}

.guide-breadcrumb a { color: inherit; text-underline-offset: 3px; }

.guide-hero,
.guide-section,
.guide-thumbnail-banner,
.guide-card {
  border: 1px solid rgba(255, 255, 255, .75);
  background: linear-gradient(145deg, rgba(250, 255, 254, .94), rgba(188, 246, 255, .88));
  box-shadow: 0 18px 50px rgba(14, 57, 73, .14);
}

.guide-hero {
  padding: clamp(28px, 5vw, 54px);
  border-radius: 28px;
}

.guide-kicker {
  margin: 0 0 8px;
  color: #b50039;
  font: 700 10px/1.2 "Noto Sans KR", sans-serif;
  letter-spacing: .22em;
}

.guide-lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: #315d6a;
  font-size: 15px;
  line-height: 1.85;
}

.guide-thumbnail-banner {
  display: flex;
  gap: 14px;
  min-width: 0;
  margin-top: 22px;
  padding: 14px 14px 10px;
  border-radius: 22px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline proximity;
  scrollbar-width: none;
}

.guide-thumbnail-banner::-webkit-scrollbar { display: none; }
.guide-thumbnail-banner.is-auto-scrolling { scroll-snap-type: none; }

.guide-thumbnail-card {
  flex: 0 0 190px;
  color: #0f2c55;
  text-decoration: none;
  scroll-snap-align: start;
}

.guide-thumbnail-card img {
  display: block;
  width: 190px;
  height: 190px;
  border-radius: 15px;
  object-fit: cover;
}

.guide-thumbnail-card strong {
  display: block;
  padding: 10px 4px 8px;
  font-size: 14px;
}

.guide-thumbnail-card:hover img,
.guide-thumbnail-card:focus-visible img { outline: 2px solid rgba(23, 61, 110, .5); outline-offset: 3px; }

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

.guide-card {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 20px;
  min-height: 154px;
  padding: 18px;
  border-radius: 22px;
  color: inherit;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease;
}

.guide-card:hover,
.guide-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 22px 56px rgba(14, 57, 73, .22);
  outline: 2px solid rgba(23, 61, 110, .5);
  outline-offset: 3px;
}

.guide-card img {
  width: 116px;
  height: 116px;
  border-radius: 16px;
  object-fit: cover;
}

.guide-card-copy { align-self: center; }
.guide-card h2 { margin: 0 0 8px; color: #0f2c55; font-size: 19px; }
.guide-card p { margin: 0; color: #416a75; font-size: 13px; line-height: 1.65; }

.guide-content {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.guide-section {
  padding: clamp(24px, 4vw, 38px);
  border-radius: 22px;
}

.guide-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: center;
}

.guide-feature-media {
  min-width: 0;
  margin: 0;
}

.guide-feature-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, .76);
  border-radius: 16px;
  box-shadow: 0 14px 28px rgba(14, 57, 73, .18);
}

.guide-feature-media figcaption {
  margin-top: 9px;
  color: #416a75;
  font-size: 11px;
  line-height: 1.5;
}

.guide-section h2 { margin: 0 0 14px; color: #0f2c55; font-size: clamp(1.25rem, 2.5vw, 1.55rem); }
.guide-section h3 { margin: 24px 0 10px; color: #214c50; font-size: 1rem; }
.guide-section p,
.guide-section li { color: #315d6a; font-size: 14px; line-height: 1.85; }
.guide-section p { margin: 0; }
.guide-section p + p { margin-top: 12px; }
.guide-section ol,
.guide-section ul { margin: 0; padding-left: 22px; }
.guide-section li + li { margin-top: 7px; }

.guide-callout {
  margin-top: 16px;
  padding: 16px 18px;
  border-left: 4px solid #46b8d3;
  border-radius: 0 14px 14px 0;
  background: rgba(255, 255, 255, .52);
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.guide-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  background: #173d6e;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.guide-actions a:hover,
.guide-actions a:focus-visible { background: #0f2c55; outline: 2px solid #fff; outline-offset: 2px; }

.guide-footer {
  width: min(100%, 1030px);
  margin: 32px auto 0;
  color: rgba(234, 250, 252, .8);
  font: 8px/1.4 "Noto Sans KR", sans-serif;
  letter-spacing: .08em;
}

@media (max-width: 760px) {
  .guide-main { padding: 104px 14px 32px; }
  .guide-hero { border-radius: 22px; }
  .guide-thumbnail-banner { padding: 12px 12px 8px; }
  .guide-thumbnail-card { flex-basis: 156px; }
  .guide-thumbnail-card img { width: 156px; height: 156px; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-feature { grid-template-columns: 1fr; gap: 20px; }
  .guide-feature-media { order: 2; }
  .guide-card { grid-template-columns: 86px minmax(0, 1fr); min-height: 118px; gap: 14px; padding: 14px; }
  .guide-card img { width: 86px; height: 86px; border-radius: 13px; }
  .guide-card h2 { font-size: 16px; }
  .guide-card p { font-size: 12px; }
  .guide-section p,
  .guide-section li { font-size: 13px; }
  .guide-actions a { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .guide-card { transition: none; }
}