:root {
  --oc-bg: #ecfeff;
  --oc-surface: #ffffff;
  --oc-border: #a5f3fc;
  --oc-text: #134e4a;
  --oc-muted: #0f766e;
  --oc-accent: #0891b2;
  --oc-accent-hover: #0e7490;
  --oc-header: #164e63;
  --oc-glow: #22d3ee;
  --oc-watermark-opacity: 0.09;
  --oc-max: 1240px;
  --oc-radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; }

body.ocean {
  margin: 0;
  font-family: "Noto Sans SC", system-ui, sans-serif;
  background: radial-gradient(circle at top, #cffafe 0%, var(--oc-bg) 42%, #f0fdfa 100%);
  color: var(--oc-text);
  line-height: 1.55;
  font-size: 15px;
}

a { color: var(--oc-accent); text-decoration: none; }
a:hover { color: var(--oc-accent-hover); }

.ocean-main { min-height: 60vh; }

.ocean-top-ad { width: 100%; background: var(--oc-surface); }
.ocean-top-ad__link { display: block; line-height: 0; }
.ocean-top-ad__link img { width: 100%; height: auto; display: block; }

.ocean-watermark-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: var(--article-watermark-bg);
  background-repeat: repeat;
  opacity: var(--oc-watermark-opacity);
}

.ocean-page { position: relative; z-index: 1; }

.ocean-header {
  position: sticky;
  top: 0;
  z-index: 40;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(120deg, #083344 0%, var(--oc-header) 45%, #155e75 100%);
  box-shadow: 0 10px 30px rgba(8, 51, 68, 0.18);
}

.ocean-header__glow {
  position: absolute;
  inset: auto -10% -60% 40%;
  height: 140%;
  background: radial-gradient(circle, rgba(34,211,238,0.35) 0%, transparent 68%);
  pointer-events: none;
}

.ocean-header__inner {
  position: relative;
  max-width: var(--oc-max);
  margin: 0 auto;
  padding: 0.9rem 1rem 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 0.85rem 1rem;
  align-items: center;
}

.ocean-header--compact .ocean-header__inner {
  padding: 0.5rem 1rem;
  grid-template-columns: auto 1fr;
}

.ocean-logo {
  grid-column: 1;
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
}
.ocean-logo--sm { font-size: 0.95rem; }

.ocean-search {
  grid-column: 2;
  display: flex;
  gap: 0.35rem;
}
.ocean-search input {
  flex: 1;
  border: none;
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-size: 0.875rem;
  min-width: 0;
}
.ocean-search button {
  border: none;
  background: var(--oc-glow);
  color: #083344;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.875rem;
}

.ocean-nav {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  padding-top: 0.15rem;
}
.ocean-nav a {
  color: rgba(255,255,255,0.9);
  padding: 0.25rem 0.45rem;
  border-radius: 6px;
}
.ocean-nav a:hover { background: rgba(255,255,255,0.12); color: #fff; }

.ocean-back { color: rgba(255,255,255,0.9); font-size: 0.875rem; }

.ocean-promo { background: var(--oc-surface); border-bottom: 1px solid var(--oc-border); }
.ocean-promo__full, .ocean-promo__duo { display: flex; width: 100%; }
.ocean-promo__full { flex-direction: column; }
.ocean-promo__duo { flex-wrap: wrap; }
.ocean-promo__link { flex: 1 1 100%; display: block; line-height: 0; }
.ocean-promo__duo .ocean-promo__link { flex: 1 1 50%; min-width: 50%; }
.ocean-promo__link img { width: 100%; height: auto; display: block; }

.ocean-notice {
  max-width: var(--oc-max);
  margin: 0.85rem auto 0;
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.82);
  border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius);
  font-size: 0.875rem;
  display: flex;
  gap: 0.65rem;
}
.ocean-notice strong { color: var(--oc-header); white-space: nowrap; }

.ocean-main {
  max-width: var(--oc-max);
  margin: 0 auto;
  padding: 1.1rem 1rem 1.5rem;
}

.ocean-main--narrow { max-width: 960px; }
.ocean-main--article { max-width: 820px; }

.ocean-ticker {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  background: rgba(255,255,255,0.88);
  border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius);
  padding: 0.6rem 0.9rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  backdrop-filter: blur(8px);
}
.ocean-ticker__label {
  background: linear-gradient(135deg, var(--oc-accent), var(--oc-glow));
  color: #fff;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.ocean-ticker__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; }

.ocean-block { margin-bottom: 1.75rem; }

.ocean-block__title {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--oc-header);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.ocean-block__title::after {
  content: "";
  width: 48px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--oc-accent), var(--oc-glow));
}

.ocean-bento__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  grid-template-rows: repeat(2, minmax(160px, auto));
  gap: 0.85rem;
}
@media (max-width: 900px) {
  .ocean-bento__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .ocean-bento__cell--hero { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .ocean-bento__grid { grid-template-columns: 1fr; }
}

.ocean-bento__cell {
  position: relative;
  display: block;
  border-radius: var(--oc-radius);
  overflow: hidden;
  min-height: 160px;
  color: #fff;
  box-shadow: 0 12px 28px rgba(8, 51, 68, 0.12);
}
.ocean-bento__cell--hero {
  grid-row: 1 / span 2;
  min-height: 100%;
}
.ocean-bento__cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #99f6e4;
  min-height: 160px;
}
.ocean-bento__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0.85rem;
  background: linear-gradient(180deg, transparent 25%, rgba(8,51,68,0.82) 100%);
}
.ocean-bento__overlay h3 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  line-height: 1.35;
}
.ocean-bento__cell--hero .ocean-bento__overlay h3 { font-size: 1.15rem; }
.ocean-bento__overlay time { font-size: 0.72rem; opacity: 0.88; }

.ocean-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}
@media (max-width: 1024px) { .ocean-card-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .ocean-card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .ocean-card-grid { grid-template-columns: 1fr; } }

.ocean-card {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(165,243,252,0.9);
  border-radius: var(--oc-radius);
  overflow: hidden;
  color: var(--oc-text);
  transition: transform 0.15s, box-shadow 0.15s;
}
.ocean-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(8,145,178,0.16);
  color: var(--oc-accent-hover);
}
.ocean-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: #cffafe;
}
.ocean-card__body { padding: 0.75rem; }
.ocean-card__body h3 { margin: 0 0 0.35rem; font-size: 0.9rem; line-height: 1.4; }
.ocean-card__body p { margin: 0 0 0.35rem; font-size: 0.78rem; color: var(--oc-muted); }
.ocean-card__body time { font-size: 0.72rem; color: var(--oc-accent); font-weight: 600; }

.ocean-card--sm .ocean-card__body { padding: 0.55rem 0.65rem; }
.ocean-card-grid--related { grid-template-columns: repeat(2, 1fr); }

.ocean-pills {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}
.ocean-pills a {
  flex-shrink: 0;
  padding: 0.45rem 0.95rem;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--oc-border);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--oc-header);
}
.ocean-pills a:hover {
  background: linear-gradient(135deg, var(--oc-accent), var(--oc-glow));
  color: #fff;
  border-color: transparent;
}
.ocean-pills--wrap { flex-wrap: wrap; overflow: visible; margin-bottom: 1rem; }

.ocean-band-stack { display: flex; flex-direction: column; gap: 0.85rem; }

.ocean-cat-band {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1rem;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius);
  padding: 0.9rem;
  box-shadow: 0 8px 20px rgba(8,145,178,0.08);
}
@media (max-width: 640px) { .ocean-cat-band { grid-template-columns: 1fr; } }

.ocean-cat-band__hero {
  display: block;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  color: #fff;
}
.ocean-cat-band__hero img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  background: #99f6e4;
}
.ocean-cat-band__hero strong {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.55rem 0.7rem;
  background: linear-gradient(transparent, rgba(8,51,68,0.88));
  font-size: 0.9375rem;
}

.ocean-cat-band__list {
  list-style: none;
  margin: 0;
  padding: 0.15rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.ocean-cat-band__list li { font-size: 0.875rem; }
.ocean-cat-band__lead a { font-weight: 800; color: var(--oc-header); }

.ocean-link-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 768px) { .ocean-link-cols { grid-template-columns: 1fr; } }

.ocean-link-col {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius);
  padding: 0.85rem;
}
.ocean-link-col h3 { margin: 0 0 0.5rem; font-size: 0.9375rem; }
.ocean-link-col ul { margin: 0; padding: 0; list-style: none; }
.ocean-link-col li { padding: 0.3rem 0; font-size: 0.8125rem; border-top: 1px dashed var(--oc-border); }

.ocean-page-head { margin-bottom: 1rem; }
.ocean-page-head h1 { margin: 0 0 0.35rem; font-size: 1.35rem; }
.ocean-page-head p { margin: 0; color: var(--oc-accent); font-size: 0.9375rem; }

.ocean-pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  font-size: 0.875rem;
}
.ocean-pager a {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--oc-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
}

.ocean-article {
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius);
  padding: 1.25rem;
}
.ocean-crumb { font-size: 0.8125rem; color: var(--oc-accent); margin-bottom: 0.75rem; }
.ocean-article__cat { margin: 0; font-size: 0.8125rem; font-weight: 700; color: var(--oc-header); }
.ocean-article h1 { margin: 0.35rem 0; font-size: 1.5rem; line-height: 1.35; }
.ocean-article__meta { margin: 0 0 1rem; font-size: 0.8125rem; color: var(--oc-accent); }
.ocean-article__body { font-size: 1rem; line-height: 1.75; }
.ocean-article__body img { max-width: 100%; height: auto; }

.ocean-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 1rem; }
.ocean-tags a {
  padding: 0.2rem 0.55rem;
  background: #cffafe;
  border-radius: 999px;
  font-size: 0.8125rem;
}

.ocean-download { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--oc-border); }
.ocean-download a {
  display: inline-block;
  margin: 0.35rem 0.35rem 0 0;
  padding: 0.45rem 0.85rem;
  background: linear-gradient(135deg, var(--oc-accent), var(--oc-glow));
  color: #fff;
  border-radius: 999px;
  font-size: 0.875rem;
}

.ocean-related { margin-top: 1.5rem; }
.ocean-related h2 { font-size: 1rem; margin: 0 0 0.75rem; color: var(--oc-header); }

.ocean-footer {
  margin-top: 2rem;
  background: linear-gradient(180deg, var(--oc-header), #083344);
  color: rgba(255,255,255,0.88);
  font-size: 0.8125rem;
}
.ocean-footer__inner {
  max-width: var(--oc-max);
  margin: 0 auto;
  padding: 1.1rem 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}
.ocean-footer nav { display: flex; gap: 1rem; }
.ocean-footer a { color: rgba(255,255,255,0.92); }

@media (max-width: 760px) {
  .ocean-header__inner { grid-template-columns: 1fr; }
  .ocean-search { grid-column: 1; }
}