.page-news {
  --news-space-y: 72px;
  --news-border: 2px solid var(--color-primary);
  --news-shadow: 8px 8px 0 rgba(10, 31, 68, 0.16);
  background: var(--color-white);
  color: var(--color-text);
  overflow-x: hidden;
}

@media (max-width: 767px) {
  .page-news {
    --news-space-y: 48px;
  }
}

/* ===== 刊头区 ===== */
.page-news__masthead {
  position: relative;
  padding: 64px 0 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 68%, var(--color-primary) 100%);
  color: var(--color-white);
  border-bottom: 6px solid var(--color-accent);
}

.page-news__masthead::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -96px;
  width: 260px;
  height: 260px;
  border: 30px solid rgba(255, 107, 0, 0.24);
  transform: rotate(18deg);
  pointer-events: none;
}

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

.page-news__masthead-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-news__masthead-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 44px;
  padding: 0 10px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}

.page-news .label-tag--dark {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--color-white);
}

.page-news__masthead-title {
  margin: 0 0 20px;
  font-size: clamp(36px, 8vw, 72px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.04;
  max-width: 12em;
}

.page-news__masthead-sub {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.82);
  max-width: 44ch;
}

.page-news__masthead-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news__masthead-stat {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
}

/* ===== 资讯分类 ===== */
.page-news__category {
  background: var(--color-light-gray);
  border-bottom: 2px solid var(--color-silver);
  padding: var(--news-space-y) 0;
}

.page-news__category-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 20px;
  align-items: flex-end;
  margin-bottom: 36px;
}

.page-news__section-code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin: 0 0 8px;
}

.page-news__category-title,
.page-news__section-title {
  margin: 0;
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-news__category-note {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.page-news__category-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 768px) {
  .page-news__category-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news__category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 150px;
  padding: 26px 22px;
  background: var(--color-white);
  border: var(--news-border);
  box-shadow: var(--news-shadow);
  color: var(--color-text);
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

@media (hover: hover) {
  .page-news__category-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 10px 10px 0 rgba(10, 31, 68, 0.2);
    border-color: var(--color-accent);
  }
}

.page-news__category-card::after {
  content: "→";
  position: absolute;
  right: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--color-accent);
}

.page-news__category-seq {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
}

.page-news__category-name {
  font-size: 26px;
  font-weight: 900;
}

.page-news__category-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* ===== 战报区 ===== */
.page-news__reports {
  padding: var(--news-space-y) 0;
  background: var(--color-white);
}

.page-news__section-head {
  margin-bottom: 40px;
}

.page-news__section-head > p:last-child {
  margin: 12px 0 0;
  max-width: 56ch;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.page-news__headline {
  display: grid;
  margin-bottom: 72px;
  border: var(--news-border);
  box-shadow: var(--news-shadow);
  background: var(--color-white);
}

@media (min-width: 900px) {
  .page-news__headline {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

.page-news__headline-img {
  border-bottom: 2px solid var(--color-primary);
  background:
    linear-gradient(45deg, var(--color-primary-light) 25%, transparent 25%),
    linear-gradient(-45deg, var(--color-primary-light) 25%, transparent 25%);
  background-size: 18px 18px;
  background-position: 0 0, 9px 0;
}

.page-news__headline-img img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 220px;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-news__headline-img {
    min-height: 360px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 0;
  }

  .page-news__headline-img img {
    height: 100%;
  }
}

.page-news__headline-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

@media (min-width: 900px) {
  .page-news__headline-body {
    padding: 36px 32px;
  }
}

.page-news__headline-tag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.page-news__headline-title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-news__headline-body > p:not(.page-news__headline-tag) {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.page-news__headline-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.65;
}

.page-news .btn {
  align-self: flex-start;
}

/* ===== 新闻列表 ===== */
.page-news__list {
  border-top: 2px solid var(--color-primary);
}

.page-news__item {
  display: grid;
  gap: 20px;
  padding: 40px 0;
  border-bottom: 2px solid var(--color-silver);
}

@media (min-width: 820px) {
  .page-news__item {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 28px;
    padding: 48px 0;
  }
}

.page-news__item-img {
  width: 100%;
  border: 2px solid var(--color-primary);
  transform: rotate(-1deg);
}

.page-news__item-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__item-body {
  min-width: 0;
}

.page-news__item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.page-news__item-title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.3;
}

.page-news__item-body > p {
  margin: 0 0 16px;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.page-news__item-link {
  display: inline-block;
  margin-top: 2px;
  font-weight: 700;
  color: var(--color-accent-dark);
  text-decoration: none;
}

.page-news__item--compact {
  display: block;
  margin-top: 40px;
  padding: 28px;
  border: 2px solid var(--color-primary);
  background: var(--color-light-gray);
  box-shadow: var(--news-shadow);
}

/* ===== 折叠面板 ===== */
.page-news .collapse__trigger {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 2px solid var(--color-primary);
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-news .collapse__trigger::before {
  content: "+";
  display: inline-block;
  width: 20px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
}

.page-news .collapse[data-open] .collapse__trigger {
  background: var(--color-primary);
  color: var(--color-white);
}

.page-news .collapse[data-open] .collapse__trigger::before {
  content: "−";
}

.page-news .collapse__panel {
  padding-top: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  font-size: 15px;
}

.page-news .collapse__panel p {
  margin: 0 0 8px;
}

.page-news .collapse__panel a {
  color: var(--color-accent-dark);
  font-weight: 700;
}

/* ===== 版本动态 ===== */
.page-news__versions {
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 107, 0, 0.14) 0, transparent 34%),
    var(--color-primary);
  color: var(--color-white);
  padding: var(--news-space-y) 0;
}

.page-news__versions .page-news__section-head > p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.page-news__versions .page-news__section-title {
  color: var(--color-white);
}

.page-news__versions-grid {
  display: grid;
  gap: 32px;
  margin-top: 44px;
}

@media (min-width: 900px) {
  .page-news__versions-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

.page-news__timeline {
  position: relative;
  display: grid;
  gap: 16px;
}

.page-news__timeline-item {
  border: 2px solid rgba(255, 255, 255, 0.55);
  background: var(--color-primary-light);
  color: var(--color-white);
}

.page-news__timeline-item[data-open] {
  border-color: var(--color-accent);
}

.page-news__timeline-trigger {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  width: 100%;
  min-height: 64px;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-news__timeline-item .collapse__trigger::before {
  content: "+";
  width: 28px;
  color: var(--color-accent);
  background: transparent;
  border: 0;
  padding: 0;
}

.page-news__timeline-item[data-open] .collapse__trigger::before {
  content: "−";
  background: transparent;
}

.page-news__timeline-version {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
}

.page-news__timeline-name {
  font-size: 18px;
  font-weight: 700;
}

.page-news__timeline-year {
  font-family: var(--font-mono);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.page-news__timeline-item .collapse__panel {
  padding: 0 20px 22px;
  color: rgba(255, 255, 255, 0.88);
}

.page-news__timeline-item .collapse__panel ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  line-height: 1.7;
}

.page-news__timeline-item .collapse__panel a {
  color: var(--color-accent);
}

.page-news__versions-img {
  border: 2px solid var(--color-accent);
  box-shadow: 8px 8px 0 rgba(255, 107, 0, 0.28);
  transform: rotate(1.5deg);
  margin: 0;
}

.page-news__versions-img img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
}

/* ===== 公告区 ===== */
.page-news__bulletin {
  padding: var(--news-space-y) 0;
  background: var(--color-light-gray);
  border-bottom: 2px solid var(--color-silver);
}

.page-news__bulletin-grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

@media (min-width: 820px) {
  .page-news__bulletin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news__bulletin-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 28px 24px;
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  box-shadow: var(--news-shadow);
  color: var(--color-text);
}

.page-news__bulletin-item--accent {
  border-color: var(--color-accent);
  background: var(--color-primary);
  color: var(--color-white);
}

.page-news__bulletin-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-news__bulletin-item--accent .page-news__bulletin-tag {
  color: var(--color-accent);
}

.page-news__bulletin-title {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.3;
}

.page-news__bulletin-item p {
  margin: 0;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-news__bulletin-item--accent p {
  color: rgba(255, 255, 255, 0.82);
}

.page-news__bulletin-item .page-news__item-link {
  margin-top: auto;
  color: var(--color-accent-dark);
}

.page-news__bulletin-item--accent .page-news__item-link {
  color: var(--color-accent);
}

/* ===== 延伸索引 ===== */
.page-news__extended {
  padding: var(--news-space-y) 0;
  background: var(--color-white);
}

.page-news__extended-grid {
  display: grid;
  gap: 16px;
  margin-top: 40px;
}

@media (min-width: 768px) {
  .page-news__extended-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news__extended-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 22px;
  border: 2px solid var(--color-primary);
  background: var(--color-white);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease;
}

@media (hover: hover) {
  .page-news__extended-card:hover {
    border-color: var(--color-accent);
    background: var(--color-light-gray);
  }
}

.page-news__extended-name {
  font-size: 24px;
  font-weight: 900;
}

.page-news__extended-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}