.page-news {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  padding: 0 var(--gutter) var(--section-gap);
}

.page-news .breadcrumb {
  margin-top: 1.5rem;
  font-size: 0.875rem;
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏命令栏式标题区 ---------- */
.page-news .news-hero {
  position: relative;
  margin: 1.25rem 0 var(--section-gap);
  padding: 2.5rem 1.5rem 2.75rem;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-news .news-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(135deg, transparent 0 58%, var(--blue) 58% 72%, var(--orange) 72% 82%, transparent 82%),
    linear-gradient(45deg, transparent 0 70%, rgba(10, 92, 255, 0.28) 70% 78%, transparent 78%);
  opacity: 0.22;
}

.page-news .news-hero__slash {
  position: absolute;
  right: -3rem;
  top: -2rem;
  width: 12rem;
  height: 14rem;
  z-index: 0;
  background: var(--orange);
  clip-path: polygon(22% 0, 100% 0, 100% 74%, 0 100%);
  transform: skewX(-8deg);
}

.page-news .news-hero__terminal {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(245, 241, 232, 0.18);
  font-family: var(--font-base);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: rgba(245, 241, 232, 0.66);
}

.page-news .terminal-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--orange);
}

.page-news .terminal-dot:nth-child(2) {
  background: var(--gold);
}

.page-news .terminal-dot:nth-child(3) {
  background: var(--green);
}

.page-news .news-hero__terminal code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color: rgba(245, 241, 232, 0.9);
}

.page-news .news-hero__index {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  max-width: 10ch;
}

.page-news .news-hero__subtitle {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--orange);
}

.page-news .news-hero__lead {
  margin: 1.5rem 0 0;
  max-width: 52em;
  color: rgba(245, 241, 232, 0.78);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.75;
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 2rem;
  background: rgba(245, 241, 232, 0.16);
  border: 1px solid rgba(245, 241, 232, 0.16);
}

.page-news .hero-stats__cell {
  background: rgba(14, 26, 51, 0.82);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-news .hero-stats__num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  color: var(--gold);
}

.page-news .hero-stats__label {
  font-size: 0.8125rem;
  line-height: 1.4;
  color: rgba(245, 241, 232, 0.72);
}

/* ---------- 季度亮点 ---------- */
.page-news .quarter-highlight {
  margin-bottom: var(--section-gap);
}

.page-news .quarter-head,
.page-news .log-head,
.page-news .feature-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.page-news .quarter-head .section-kicker,
.page-news .log-head .section-kicker,
.page-news .feature-head .section-kicker,
.page-news .reminder-band .section-kicker {
  margin: 0;
}

.page-news .quarter-head .section-title,
.page-news .log-head .section-title,
.page-news .feature-head .section-title {
  margin: 0;
}

.page-news .quarter-highlight__grid {
  display: grid;
  gap: 2rem;
}

.page-news .quarter-highlight__media {
  position: relative;
  margin: 0;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 4% 100%);
}

.page-news .quarter-highlight__media img {
  width: 100%;
  height: auto;
  min-height: 240px;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.88) contrast(1.05);
}

.page-news .quarter-highlight__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.page-news .quarter-highlight__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
}

.page-news .quarter-highlight__desc {
  margin: 0;
  max-width: 52em;
  line-height: 1.7;
}

.page-news .quarter-highlight__list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  gap: 0.75rem;
}

.page-news .quarter-highlight__list li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .quarter-highlight__list strong {
  font-weight: 700;
  color: var(--ink);
}

.page-news .quarter-highlight__list span {
  color: rgba(22, 30, 46, 0.72);
}

.page-news .quarter-highlight__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* ---------- 版本记录 ---------- */
.page-news .version-log {
  margin-bottom: var(--section-gap);
  scroll-margin-top: 2rem;
}

.page-news .version-log__layout {
  display: grid;
  gap: 2rem;
}

.page-news .log-filter {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 1.5rem 1.25rem;
}

.page-news .log-filter::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--blue) 0 40%, var(--orange) 40% 100%);
}

.page-news .log-filter__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: rgba(245, 241, 232, 0.86);
}

.page-news .log-filter__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(245, 241, 232, 0.14);
  text-decoration: none;
  color: rgba(245, 241, 232, 0.68);
  font-size: 0.9375rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-news .log-filter__item:hover,
.page-news .log-filter__item:focus-visible {
  color: var(--paper);
  padding-left: 0.5rem;
}

.page-news .log-filter__item.is-active {
  color: #fff;
  border-left: 3px solid var(--blue);
  padding-left: 0.75rem;
}

.page-news .log-filter__index {
  font-family: var(--font-display);
  color: var(--orange);
}

.page-news .log-stream {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .log-entry {
  position: relative;
  padding: 2rem 1.25rem;
  background: var(--paper);
}

.page-news .log-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.page-news .log-entry__num {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--blue);
  padding-right: 0.4rem;
}

.page-news .log-entry__state {
  margin-left: auto;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
  opacity: 0.65;
}

.page-news .log-entry__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 18em;
}

.page-news .log-entry > p {
  margin: 0;
  max-width: 52em;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-news .log-entry::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: var(--orange);
  transition: width 0.45s ease;
}

.page-news .log-entry:hover::after,
.page-news .log-entry:focus-within::after {
  width: 100%;
}

.page-news .log-media {
  margin: 1.5rem 0 0;
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
  background: var(--night);
  border-top: 4px solid var(--orange);
}

.page-news .log-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  background: linear-gradient(135deg, var(--blue), var(--night));
}

.page-news .log-media figcaption {
  color: rgba(245, 241, 232, 0.78);
  font-size: 0.8125rem;
  text-align: right;
}

/* ---------- 专题说明 ---------- */
.page-news .feature-notes {
  margin-bottom: var(--section-gap);
}

.page-news .feature-note {
  display: grid;
  gap: 1.5rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.page-news .feature-note__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}

.page-news .feature-note__media::after {
  content: "BIFA / BRIEFING";
  position: absolute;
  right: -2.2rem;
  top: 1rem;
  transform: rotate(90deg);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: rgba(245, 241, 232, 0.42);
}

.page-news .feature-note__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .feature-note__media--compact img {
  aspect-ratio: 4 / 3;
}

.page-news .feature-note__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.page-news .feature-note__tag {
  background: var(--orange);
  color: #fff;
  padding: 0.3rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-news .feature-note__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
}

.page-news .feature-note__desc {
  margin: 0;
  max-width: 54em;
  line-height: 1.7;
}

.page-news .feature-note__link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
  padding-bottom: 2px;
}

.page-news .feature-note__link:hover,
.page-news .feature-note__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 订阅提醒 ---------- */
.page-news .reminder-band {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
}

.page-news .reminder-band__slant {
  position: absolute;
  right: -5%;
  top: -25%;
  width: 45%;
  height: 80%;
  background: linear-gradient(135deg, transparent 0 15%, var(--blue) 15% 58%, var(--orange) 58% 70%, transparent 70%);
  transform: skewX(-12deg);
  opacity: 0.32;
}

.page-news .reminder-band__inner {
  position: relative;
  z-index: 1;
  max-width: 46rem;
}

.page-news .reminder-band .section-kicker {
  color: var(--orange);
}

.page-news .reminder-band__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
}

.page-news .reminder-band__lead {
  margin: 0 0 2rem;
  max-width: 46rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.78);
}

.page-news .cadence-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(245, 241, 232, 0.16);
}

.page-news .cadence-list__season {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-news .cadence-list__content {
  color: rgba(245, 241, 232, 0.78);
  line-height: 1.6;
}

.page-news .cadence-list li.is-current {
  border-left: 3px solid var(--blue);
  padding-left: 1rem;
}

.page-news .cadence-list li.is-current .cadence-list__content {
  color: #fff;
  font-weight: 600;
}

.page-news .reminder-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.page-news .reminder-band__textlink {
  color: var(--paper);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
}

.page-news .reminder-band__textlink:hover,
.page-news .reminder-band__textlink:focus-visible {
  color: var(--orange);
}

/* ---------- 桌面端栅格增强 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero {
    padding: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 6vw, 5.5rem) 4rem;
  }

  .page-news .news-hero__title {
    font-size: clamp(4rem, 8vw, 7rem);
  }

  .page-news .hero-stats {
    grid-template-columns: repeat(4, 1fr);
    max-width: 52rem;
  }

  .page-news .quarter-highlight__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
  }

  .page-news .quarter-highlight__media {
    margin-left: -2.5rem;
  }

  .page-news .quarter-highlight__content {
    padding-right: 1rem;
  }

  .page-news .version-log__layout {
    grid-template-columns: 320px 1fr;
    gap: clamp(2rem, 4vw, 4rem);
  }

  .page-news .log-filter {
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }

  .page-news .log-entry {
    padding: 2.25rem 2rem 2.25rem 3.5rem;
  }

  .page-news .log-entry__num {
    display: block;
    width: 1.6rem;
  }

  .page-news .log-media {
    margin: 1.5rem 0 0 3.5rem;
  }

  .page-news .feature-note {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: clamp(2rem, 6vw, 5rem);
  }

  .page-news .feature-note--reverse .feature-note__media {
    order: 2;
  }

  .page-news .feature-note--reverse .feature-note__body {
    order: 1;
  }
}