.page-news {
  --news-bg-deep: #0B1F26;
  --news-bg-deep-soft: #102A33;
  --news-gold-dim: rgba(212, 175, 55, 0.25);
  background:
    radial-gradient(ellipse at 80% 0%, rgba(15, 118, 110, 0.16), transparent 55%),
    linear-gradient(180deg, #0B1F26 0%, #16141A 35%);
}

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

/* ===== 首屏控制台 ===== */
.page-news__hero {
  position: relative;
  overflow: hidden;
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--color-gold);
  background:
    linear-gradient(135deg, rgba(11, 31, 38, 0.92), rgba(16, 42, 51, 0.72) 55%, rgba(15, 118, 110, 0.28)),
    var(--news-bg-deep);
}

.page-news__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.6;
  pointer-events: none;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-slate);
}

.page-news .breadcrumb__link {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-news .breadcrumb__link:hover {
  color: var(--color-vermilion);
  border-color: var(--color-vermilion);
}

.page-news .breadcrumb__current {
  color: var(--color-ivory);
  opacity: 0.82;
}

.news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.news-hero__eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 10px;
  border: 1px solid rgba(192, 57, 43, 0.5);
  background: rgba(192, 57, 43, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-vermilion);
}

.news-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 200;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--color-ivory);
}

.news-hero__lead {
  margin: 0 0 20px;
  max-width: 56em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.74);
}

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

.news-hero__console {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.console-card {
  padding: 20px 22px;
  border: 1px solid var(--news-gold-dim);
  background: rgba(11, 31, 38, 0.74);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.console-card__row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.14);
}

.console-card__row:last-child {
  border-bottom: none;
}

.console-card__label {
  flex: 1;
  font-size: 14px;
  color: rgba(244, 239, 230, 0.72);
}

.console-card__value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-gold-light);
}

.news-hero__figure {
  margin: 0;
  text-align: center;
}

.news-hero__figure img {
  width: 200px;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(212, 175, 55, 0.22);
  background: var(--news-bg-deep-soft);
}

/* ===== 章节标题适配 ===== */
.page-news .section-heading {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0 0 28px;
}

.page-news .section-heading__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--color-vermilion);
}

.page-news .section-heading__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 200;
  line-height: 1.25;
  color: var(--color-ivory);
}

.page-news .section-heading__lead {
  margin: 0;
  max-width: 60em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-slate);
}

/* ===== 最近动态时间线 ===== */
.page-news__timeline {
  padding: 64px 0 40px;
}

.news-timeline__banner {
  margin: 0 0 32px;
}

.news-timeline__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(212, 175, 55, 0.22);
  background: var(--news-bg-deep-soft);
}

.news-console {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.news-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.news-filter__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.06), rgba(212, 175, 55, 0.02));
  font-size: 13px;
  line-height: 1.2;
  color: var(--color-gold);
  cursor: pointer;
  user-select: none;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.news-filter__label:hover {
  border-color: var(--color-vermilion);
  background: rgba(192, 57, 43, 0.25);
}

.news-filter__input:checked + .news-filter__label {
  border-color: var(--color-gold);
  background: var(--color-vermilion);
  color: var(--color-ivory);
}

.news-filter__input:focus-visible + .news-filter__label {
  outline: 2px solid var(--color-teal-light);
  outline-offset: 2px;
}

.page-news #nf-all:checked ~ .news-timeline .news-item {
  display: grid;
}

.page-news #nf-version:checked ~ .news-timeline .news-item {
  display: none;
}

.page-news #nf-version:checked ~ .news-timeline .news-item--version {
  display: grid;
}

.page-news #nf-feature:checked ~ .news-timeline .news-item {
  display: none;
}

.page-news #nf-feature:checked ~ .news-timeline .news-item--feature {
  display: grid;
}

.page-news #nf-event:checked ~ .news-timeline .news-item {
  display: none;
}

.page-news #nf-event:checked ~ .news-timeline .news-item--event {
  display: grid;
}

.news-timeline {
  flex: 0 0 100%;
  position: relative;
}

.news-timeline::before {
  content: "";
  position: absolute;
  left: 47px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, rgba(212, 175, 55, 0.55), rgba(212, 175, 55, 0.06));
}

.news-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item__marker {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding-top: 6px;
}

.news-item__node {
  position: relative;
  z-index: 1;
  display: block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-gold);
  background: var(--color-ink);
  transform: rotate(45deg);
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.news-item__node:hover {
  border-color: var(--color-gold-light);
  background: var(--color-vermilion);
  box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.22);
}

.news-item__node-pop {
  display: none;
}

.news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-slate);
  white-space: nowrap;
}

.news-item__body {
  min-width: 0;
}

.news-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 300;
  line-height: 1.4;
  color: var(--color-ivory);
}

.news-item__text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.76);
}

.news-item__more {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.6);
  font-size: 13px;
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.news-item__more:hover {
  border-color: var(--color-vermilion);
  color: var(--color-vermilion);
}

/* ===== 版本历史 ===== */
.page-news__history {
  padding: 48px 0 64px;
  border-top: 1px solid rgba(212, 175, 55, 0.18);
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.07), transparent);
}

.history-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.history-main {
  min-width: 0;
}

.history-details {
  margin-top: 20px;
}

.history-detail {
  margin-top: 10px;
  border: 1px solid rgba(212, 175, 55, 0.22);
  background: rgba(244, 239, 230, 0.02);
}

.history-detail__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--color-gold);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.history-detail__summary:hover {
  background: rgba(192, 57, 43, 0.12);
  color: var(--color-gold-light);
}

.history-detail__summary::-webkit-details-marker {
  display: none;
}

.history-detail__summary::before {
  content: "+";
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--color-vermilion);
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.history-detail[open] .history-detail__summary::before {
  content: "−";
  transform: rotate(180deg);
}

.history-detail__body {
  margin: 0;
  padding: 0 16px 16px 48px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.74);
}

.history-figure {
  margin: 0;
  text-align: center;
}

.history-figure img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border: 1px solid rgba(212, 175, 55, 0.25);
  background: var(--news-bg-deep-soft);
}

.history-figure__caption,
.fixes-figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-slate);
}

/* ===== 专题指南 ===== */
.page-news__guides {
  padding: 64px 0;
  border-top: 1px solid rgba(212, 175, 55, 0.18);
}

.guides-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.guide-card {
  display: block;
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.07), rgba(212, 175, 55, 0.02));
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: background var(--transition-base), border-color var(--transition-base);
}

.guide-card:hover {
  border-color: var(--color-gold);
  background: linear-gradient(145deg, rgba(192, 57, 43, 0.2), rgba(212, 175, 55, 0.05));
}

.guide-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--color-vermilion);
}

.guide-card__title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 300;
  line-height: 1.35;
  color: var(--color-gold);
}

.guide-card__text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.72);
}

.guide-card__link {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--color-vermilion);
  font-size: 13px;
  color: var(--color-vermilion);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.guide-card:hover .guide-card__link {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ===== 修复与维护 ===== */
.page-news__fixes {
  padding: 56px 0 72px;
  border-top: 1px solid rgba(212, 175, 55, 0.18);
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.06), transparent 60%);
}

.fixes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.fixes-main {
  min-width: 0;
}

.fixes-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fixes-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
}

.fixes-item__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  border: 1px solid var(--color-teal-light);
  background: var(--color-teal);
}

.fixes-item__text {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(244, 239, 230, 0.78);
}

.page-news__terms-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-slate);
}

.page-news__terms-link {
  border-bottom: 1px solid rgba(212, 175, 55, 0.5);
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-news__terms-link:hover {
  border-color: var(--color-vermilion);
  color: var(--color-vermilion);
}

.fixes-figure {
  margin: 0;
  text-align: center;
}

.fixes-figure img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border: 1px solid rgba(212, 175, 55, 0.25);
  background: var(--news-bg-deep-soft);
}

/* ===== 桌面端 >= 768px ===== */
@media (min-width: 768px) {
  .news-hero__title {
    font-size: 44px;
  }

  .news-hero__console {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    align-items: center;
    gap: 16px;
  }

  .page-news .section-heading {
    grid-template-columns: 92px 1fr;
    gap: 8px 24px;
  }

  .page-news .section-heading__index {
    grid-row: 1 / 3;
  }

  .news-item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 20px;
  }

  .news-timeline::before {
    left: 63px;
  }

  .news-item__node-pop {
    display: block;
    position: absolute;
    left: 26px;
    top: 50%;
    z-index: 5;
    padding: 4px 8px;
    border: 1px solid var(--color-gold);
    background: var(--color-ink);
    font-family: var(--font-mono);
    font-size: 12px;
    white-space: nowrap;
    color: var(--color-gold-light);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%);
    transition: opacity var(--transition-fast);
  }

  .news-item__node:hover .news-item__node-pop {
    opacity: 1;
  }

  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 桌面端 >= 992px ===== */
@media (min-width: 992px) {
  .page-news__hero {
    padding: 48px 0 64px;
  }

  .news-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 48px;
  }

  .news-hero__title {
    font-size: 56px;
  }

  .news-hero__lead {
    font-size: 17px;
  }

  .news-item {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .news-timeline::before {
    left: 69px;
  }

  .history-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    align-items: start;
  }

  .guides-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .fixes-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    align-items: start;
  }

  .page-news__fixes {
    padding: 64px 0 80px;
  }
}