.page-news {
  --news-headline: "Helvetica Neue", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  --news-radius-lg: 24px;
  --news-radius-md: 16px;
  --news-gap: 20px;
  --news-ink: rgba(234, 240, 245, 0.72);
  --news-strong: rgba(234, 240, 245, 0.92);
  --news-line: rgba(234, 240, 245, 0.16);
  --news-line-dark: rgba(10, 37, 64, 0.1);
  --news-title-lg: clamp(2rem, 5vw, 3.25rem);
  background: var(--deep-sea);
  color: var(--white);
  overflow-x: clip;
}

.page-news .news-header {
  position: relative;
  padding: calc(var(--header-h) + var(--sp-3)) 0 var(--sp-5);
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 119, 182, 0.5), transparent 44%),
    linear-gradient(135deg, var(--deep-sea) 0%, #0d3052 70%, #08203a 100%);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-header__bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.page-news .news-header__shape { position: absolute; width: 280px; height: 280px; right: -70px; top: -50px; opacity: 0.85; }
.page-news .news-header__shape--second { left: -90px; top: auto; bottom: -110px; width: 220px; height: 220px; }
.page-news .news-breadcrumb { margin-bottom: var(--sp-4); }
.page-news .news-breadcrumb a { color: rgba(234, 240, 245, 0.68); text-decoration: none; transition: color var(--dur) var(--ease); }
.page-news .news-breadcrumb a:hover { color: var(--white); }
.page-news .news-breadcrumb .breadcrumb__current { color: var(--white); }

.page-news .news-header__grid { position: relative; display: grid; gap: var(--sp-4); }
.page-news .news-header__title {
  font-family: var(--news-headline);
  font-weight: 900;
  font-size: var(--news-title-lg);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: var(--sp-2) 0;
  max-width: 15em;
}
.page-news .news-header__desc { color: var(--news-ink); line-height: 1.7; max-width: 44em; margin: 0; }
.page-news .news-header__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2);
  width: fit-content;
  padding-top: var(--sp-3);
  border-top: 3px solid var(--coral);
}
.page-news .news-header__stat-num { font-family: var(--news-headline); font-weight: 900; font-size: 2.5rem; line-height: 1; letter-spacing: -0.03em; color: var(--neon); }
.page-news .news-header__stat-label { font-size: 0.875rem; color: var(--news-ink); }
.page-news .news-header__stat-extra { flex-basis: 100%; font-size: 0.8125rem; color: rgba(234, 240, 245, 0.55); }

.page-news .latest-section {
  background: var(--mist);
  color: var(--ink);
  padding: var(--sp-5) 0;
  border-radius: 28px 28px 0 0;
}
.page-news .latest-section__head,
.page-news .version-section__head,
.page-news .feature-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}
.page-news .latest-section__head h2,
.page-news .version-section__head h2,
.page-news .feature-section__head h2 {
  font-family: var(--news-headline);
  font-weight: 900;
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: var(--sp-1) 0 0;
}
.page-news .latest-section__note,
.page-news .version-section__note,
.page-news .feature-section__note {
  margin: 0;
  max-width: 440px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(10, 37, 64, 0.66);
}
.page-news .latest-section__layout { display: grid; gap: var(--sp-4); align-items: start; }

.page-news .latest-banner { display: grid; gap: var(--sp-3); align-content: start; }
.page-news .latest-banner__media {
  position: relative;
  border-radius: var(--news-radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--deep-sea);
  box-shadow: var(--shadow-card);
}
.page-news .latest-banner__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.page-news .latest-banner__eye {
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(10, 37, 64, 0.78);
  color: var(--neon);
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px rgba(2, 12, 27, 0.4);
}
.page-news .latest-banner__eye svg { display: block; }
.page-news .latest-banner__note {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--white);
  border: 1px solid var(--news-line-dark);
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(2, 12, 27, 0.05);
}
.page-news .latest-banner__note p { margin: 0; font-size: 0.9375rem; line-height: 1.6; color: rgba(10, 37, 64, 0.72); }

.page-news .latest-list { display: grid; gap: var(--sp-3); }
.page-news .news-card {
  position: relative;
  padding: var(--sp-3);
  background: var(--white);
  border: 1px solid var(--news-line-dark);
  border-left-width: 3px;
  border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(2, 12, 27, 0.05);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-card--update { border-left-color: var(--coral); }
.page-news .news-card--help { border-left-color: var(--link-blue); }
.page-news .news-card--case { border-left-color: var(--neon); }
.page-news .news-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(2, 12, 27, 0.12); border-color: rgba(10, 37, 64, 0.2); }
.page-news .news-card__top { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); margin-bottom: var(--sp-2); }
.page-news .news-card__time { font-size: 0.8125rem; color: rgba(10, 37, 64, 0.52); }
.page-news .news-card__title { font-family: var(--news-headline); font-size: 1.125rem; line-height: 1.4; font-weight: 800; margin: 0 0 var(--sp-1); }
.page-news .news-card__title a { color: var(--ink); text-decoration: none; transition: color var(--dur) var(--ease); }
.page-news .news-card__title a:hover { color: var(--link-blue); }
.page-news .news-card__title a:focus-visible { outline: 2px solid var(--neon); outline-offset: 3px; border-radius: 4px; }
.page-news .news-card__excerpt { margin: 0 0 var(--sp-2); font-size: 0.9375rem; line-height: 1.7; color: rgba(10, 37, 64, 0.72); }
.page-news .news-card__meta { display: flex; flex-wrap: wrap; gap: var(--sp-1); font-size: 0.8125rem; color: rgba(10, 37, 64, 0.52); }
.page-news .news-card__meta-dot { opacity: 0.6; }

.page-news .version-section { background: var(--deep-sea); color: var(--white); padding: var(--sp-5) 0; }
.page-news .version-section__note { color: var(--news-ink); }
.page-news .version-timeline { position: relative; display: grid; }
.page-news .version-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--neon), var(--news-line));
  opacity: 0.7;
}
.page-news .version-item { position: relative; padding: 0 0 var(--sp-4) 36px; }
.page-news .version-item:last-child { padding-bottom: 0; }
.page-news .version-item__dot {
  position: absolute;
  left: 0;
  top: 28px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--deep-sea);
  border: 2px solid var(--neon);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.14);
}
.page-news .version-item__card {
  padding: var(--sp-3);
  background: rgba(234, 240, 245, 0.05);
  border: 1px solid var(--news-line);
  border-radius: var(--news-radius-md);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-news .version-item__card:hover { border-color: rgba(57, 255, 20, 0.45); background: rgba(234, 240, 245, 0.08); }
.page-news .version-item__card--plain { display: grid; gap: var(--sp-1); }
.page-news .version-item--latest .version-item__card { display: grid; gap: var(--sp-3); }
.page-news .version-item__thumb {
  max-width: 200px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--deep-sea);
}
.page-news .version-item__thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.page-news .version-item__body { display: grid; gap: var(--sp-1); align-content: start; }
.page-news .version-item__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); }
.page-news .version-item__badge { font-family: var(--news-headline); font-weight: 900; font-size: 1.25rem; line-height: 1.2; letter-spacing: -0.02em; color: var(--neon); }
.page-news .version-item__card h3 { font-family: var(--news-headline); font-size: 1.25rem; line-height: 1.35; letter-spacing: -0.01em; margin: var(--sp-1) 0; }
.page-news .version-item__card p { margin: 0; font-size: 0.9375rem; line-height: 1.7; color: var(--news-ink); }
.page-news .version-item__expand { margin-top: var(--sp-2); padding-top: var(--sp-2); border-top: 1px dashed var(--news-line); }
.page-news .version-item__expand summary { cursor: pointer; font-size: 0.875rem; font-weight: 600; color: var(--neon); }
.page-news .version-item__expand summary:hover { color: var(--white); }
.page-news .version-item__expand summary:focus-visible { outline: 2px solid var(--neon); outline-offset: 4px; border-radius: 4px; }
.page-news .version-item__expand ul { margin: var(--sp-2) 0 0; padding-left: var(--sp-3); line-height: 1.8; color: var(--news-strong); }

.page-news .help-strip { padding: var(--sp-5) 0; background: linear-gradient(120deg, #0d3052, var(--bright-blue) 130%); color: var(--white); }
.page-news .help-strip__inner { display: grid; gap: var(--sp-4); align-items: stretch; }
.page-news .help-strip__media { min-height: 220px; border-radius: var(--news-radius-lg); overflow: hidden; background: var(--deep-sea); box-shadow: var(--shadow-soft); }
.page-news .help-strip__media img { display: block; width: 100%; height: 100%; min-height: 220px; object-fit: cover; }
.page-news .help-strip__content h2 { font-family: var(--news-headline); font-weight: 900; font-size: 1.75rem; line-height: 1.25; letter-spacing: -0.02em; margin: var(--sp-2) 0; }
.page-news .help-strip__content p { margin: 0 0 var(--sp-3); line-height: 1.75; color: rgba(234, 240, 245, 0.8); }
.page-news .help-strip__list { list-style: none; margin: 0 0 var(--sp-3); padding: 0; display: grid; gap: var(--sp-2); }
.page-news .help-strip__list li { position: relative; padding-left: 30px; font-size: 0.9375rem; line-height: 1.6; color: rgba(234, 240, 245, 0.9); }
.page-news .help-strip__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 111, 97, 0.18);
}
.page-news .help-strip__content .btn { margin-top: var(--sp-1); }

.page-news .feature-section { background: var(--mist); color: var(--ink); padding: var(--sp-5) 0; }
.page-news .feature-grid { display: grid; gap: var(--sp-4); }
.page-news .feature-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--news-line-dark);
  border-radius: var(--news-radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(2, 12, 27, 0.05);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-news .feature-card:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(2, 12, 27, 0.12); }
.page-news .feature-card__media { position: relative; overflow: hidden; background: var(--deep-sea); }
.page-news .feature-card__media img { display: block; width: 100%; height: auto; object-fit: cover; }
.page-news .feature-card--large .feature-card__media img { aspect-ratio: 4 / 3; }
.page-news .feature-card__index {
  position: absolute;
  left: 16px;
  top: 16px;
  padding: 3px 10px;
  border-radius: 8px;
  font-family: var(--news-headline);
  font-weight: 900;
  font-size: 1.125rem;
  color: var(--white);
  background: rgba(10, 37, 64, 0.8);
}
.page-news .feature-card__body { flex: 1; align-content: start; display: grid; gap: var(--sp-2); padding: var(--sp-3); }
.page-news .feature-card__meta { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); font-size: 0.8125rem; color: rgba(10, 37, 64, 0.55); }
.page-news .feature-card__body h3 { font-family: var(--news-headline); font-weight: 900; font-size: 1.375rem; line-height: 1.3; margin: 0; }
.page-news .feature-card__body p { margin: 0; font-size: 0.9375rem; line-height: 1.7; color: rgba(10, 37, 64, 0.72); }
.page-news .feature-card__expand { padding-top: var(--sp-2); border-top: 1px dashed var(--news-line-dark); }
.page-news .feature-card__expand summary { cursor: pointer; font-size: 0.875rem; font-weight: 600; color: var(--link-blue); }
.page-news .feature-card__expand summary:hover { color: var(--coral); }
.page-news .feature-card__expand summary:focus-visible { outline: 2px solid var(--neon); outline-offset: 4px; border-radius: 4px; }
.page-news .feature-card__expand p { margin: var(--sp-2) 0 0; }
.page-news .feature-grid__side { display: grid; gap: var(--sp-4); }
.page-news .feature-card--side { padding: var(--sp-3); }
.page-news .feature-card--side .feature-card__body { padding: 0; }
.page-news .feature-card--side .feature-card__meta { margin-bottom: var(--sp-1); }
.page-news .feature-card__link { display: inline-block; font-size: 0.875rem; font-weight: 700; color: var(--coral); text-decoration: none; transition: color var(--dur) var(--ease); }
.page-news .feature-card__link:hover { color: var(--bright-blue); }
.page-news .feature-card__link:focus-visible { outline: 2px solid var(--neon); outline-offset: 3px; border-radius: 4px; }

.page-news .news-outro { padding: var(--sp-5) 0; background: var(--deep-sea); color: var(--white); }
.page-news .news-outro__inner { display: grid; gap: var(--sp-3); justify-items: start; max-width: 620px; }
.page-news .news-outro__inner h2 { font-family: var(--news-headline); font-weight: 900; font-size: 2rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
.page-news .news-outro__inner p { margin: 0; line-height: 1.7; color: var(--news-ink); }

.page-news .tag--neon {
  display: inline-block;
  background: rgba(57, 255, 20, 0.14);
  color: var(--neon);
  border: 1px solid rgba(57, 255, 20, 0.35);
}
.page-news .latest-section .tag--neon,
.page-news .feature-section .tag--neon {
  color: #158b04;
  background: rgba(57, 255, 20, 0.18);
  border-color: rgba(57, 255, 20, 0.4);
}

.page-news h2[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

@media (min-width: 768px) {
  .page-news .news-header { padding-bottom: var(--sp-6); }
  .page-news .news-header__grid { grid-template-columns: 1fr 240px; gap: var(--sp-5); align-items: end; }
  .page-news .news-header__stat { flex-direction: column; align-items: flex-start; gap: var(--sp-1); padding: var(--sp-3) var(--sp-1) 0; }
  .page-news .news-header__stat-num { font-size: 2.75rem; }
  .page-news .news-header__stat-extra { flex-basis: auto; margin-top: var(--sp-1); }

  .page-news .latest-section { padding: var(--sp-6) 0; border-radius: 36px 36px 0 0; }
  .page-news .latest-section__layout { grid-template-columns: 5fr 7fr; gap: var(--sp-4); }
  .page-news .latest-banner { position: sticky; top: calc(var(--header-h) + 24px); }

  .page-news .version-section { padding: var(--sp-6) 0; }
  .page-news .version-section__head { margin-bottom: var(--sp-6); }
  .page-news .version-item--latest .version-item__card { grid-template-columns: 200px 1fr; align-items: start; }
  .page-news .version-item__thumb { max-width: none; }

  .page-news .help-strip { padding: 0; }
  .page-news .help-strip__inner { grid-template-columns: 5fr 7fr; gap: 0; }
  .page-news .help-strip__media { min-height: 100%; border-radius: 0; box-shadow: none; }
  .page-news .help-strip__media img { min-height: 100%; }
  .page-news .help-strip__content { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: var(--sp-5) var(--sp-4); }

  .page-news .feature-section { padding: var(--sp-6) 0; }
  .page-news .feature-grid__side { grid-template-columns: 1fr 1fr; align-items: start; }
}

@media (min-width: 1024px) {
  .page-news .news-header__grid { grid-template-columns: 1fr 320px; }
  .page-news .news-header__shape { width: 360px; height: 360px; }

  .page-news .feature-grid { grid-template-columns: 7fr 5fr; align-items: start; }
  .page-news .feature-card--large .feature-card__media img { aspect-ratio: 1 / 1; }
  .page-news .feature-grid__side { grid-template-columns: 1fr; }
  .page-news .feature-section__head { margin-bottom: var(--sp-5); }
  .page-news .feature-card__body { padding: var(--sp-4); }
  .page-news .news-outro { padding: var(--sp-6) 0; }
}