.page-news {
  --news-rail-w: 236px;
  --news-grid-line: rgba(28, 51, 80, 0.55);
}

/* 面包屑 */
.page-news .news-crumb {
  padding-top: 18px;
}
.page-news .news-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--silver);
}
.page-news .news-crumb .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-news .news-crumb a {
  color: var(--silver);
  text-decoration: none;
}
.page-news .news-crumb a:hover,
.page-news .news-crumb a:focus-visible {
  color: var(--cyan);
}
.page-news .news-crumb .breadcrumb__sep {
  color: var(--line);
}

/* 刊头 */
.page-news .news-masthead {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 14px;
  padding-block: 0 clamp(26px, 4vw, 44px);
  background:
    radial-gradient(75% 110% at 50% -12%, rgba(55, 242, 214, 0.18), transparent 62%),
    radial-gradient(50% 80% at 92% 108%, rgba(123, 97, 255, 0.16), transparent 70%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}
.page-news .news-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--news-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(72% 72% at 50% 32%, #000 15%, transparent 100%);
  mask-image: radial-gradient(72% 72% at 50% 32%, #000 15%, transparent 100%);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}
.page-news .news-masthead__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: grayscale(0.35) contrast(1.15);
  z-index: 0;
}
.page-news .news-masthead__watermark {
  position: absolute;
  top: 50%;
  right: max(8px, 3vw);
  transform: translateY(-50%);
  font-size: clamp(160px, 30vw, 360px);
  font-weight: 200;
  line-height: 0.72;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(55, 242, 214, 0.24);
  opacity: 0.75;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.page-news .news-masthead__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin-inline: auto;
  padding-top: 20px;
  text-align: center;
}
.page-news .news-masthead__rule {
  height: 6px;
  border-top: 1px solid rgba(55, 242, 214, 0.4);
  border-bottom: 1px solid rgba(55, 242, 214, 0.4);
}
.page-news .news-masthead__rule--bottom {
  margin-top: 26px;
  border-color: var(--line);
}
.page-news .news-masthead__kicker {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  margin: 20px 0 0;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}
.page-news .news-masthead__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 7vw, 68px);
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-wrap: balance;
}
.page-news .news-masthead__lede {
  margin: 18px auto 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text);
}
.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--silver);
}
.page-news .news-masthead__meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-news .news-masthead__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* 横向主题带 */
.page-news .news-themes {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding-block: 18px 20px;
}
.page-news .news-themes__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--silver);
}
.page-news .news-themes__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-news .news-themes__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 18px;
  background: var(--ink);
  transition: background 0.25s ease;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.page-news .news-themes__item:hover {
  background: rgba(55, 242, 214, 0.07);
}
.page-news .news-themes__idx {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-news .news-themes__name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
}
.page-news .news-themes__desc {
  font-size: 12px;
  line-height: 1.55;
  color: var(--silver);
}

/* 更新流 */
.page-news .news-body {
  padding-block: clamp(34px, 5vw, 60px) clamp(30px, 5vw, 56px);
}
.page-news .news-body__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
}
.page-news .news-body__head p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
}
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}
.page-news .news-rail {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 27, 46, 0.9), rgba(7, 17, 31, 0.9));
  padding: 16px;
}
.page-news .news-rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--silver);
}
.page-news .news-rail__list {
  display: grid;
  gap: 6px;
}
.page-news .news-rail__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.page-news .news-rail__item:hover {
  border-color: var(--cyan);
  color: var(--paper);
}
.page-news .news-rail__item[aria-selected="true"],
.page-news .news-rail__item.is-active {
  border-color: var(--cyan);
  background: rgba(55, 242, 214, 0.09);
  color: var(--paper);
  box-shadow: inset 3px 0 0 var(--cyan);
}
.page-news .news-rail__item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-news .news-rail__count {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--silver);
}
.page-news .news-rail__item[aria-selected="true"] .news-rail__count,
.page-news .news-rail__item.is-active .news-rail__count {
  color: var(--cyan);
}
.page-news .news-rail__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--silver);
}

.page-news .news-stream {
  min-width: 0;
}
.page-news .stream-item {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 24px;
}
.page-news .stream-item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(55, 242, 214, 0.45), var(--line));
}
.page-news .stream-item:last-child::before {
  display: none;
}
.page-news .stream-item__marker {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.06em;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: border-color 0.25s ease, color 0.25s ease;
}
.page-news .stream-item:hover .stream-item__marker {
  border-color: var(--cyan);
  color: var(--paper);
}
.page-news .stream-item__main {
  min-width: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(28, 51, 80, 0.75);
  transition: border-color 0.25s ease;
}
.page-news .stream-item:hover .stream-item__main {
  border-bottom-color: rgba(55, 242, 214, 0.65);
}
.page-news .stream-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}
.page-news .stream-item .tag {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}
.page-news .stream-item__time {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--silver);
}
.page-news .stream-item__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(16.5px, 2.2vw, 21px);
  font-weight: 600;
  line-height: 1.38;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-news .stream-item__excerpt {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
}

/* 本期精选 */
.page-news .news-featured {
  padding-block: clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(50% 60% at 10% 0%, rgba(123, 97, 255, 0.1), transparent 65%),
    transparent;
}
.page-news .news-featured__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: 24px;
}
.page-news .news-featured__head p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
}
.page-news .featured-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-news .featured-side {
  display: grid;
  gap: 18px;
  min-width: 0;
}
.page-news .feature-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.page-news .feature-card:hover {
  border-color: rgba(55, 242, 214, 0.7);
  transform: translateY(-3px);
  box-shadow: 0 14px 32px -20px rgba(55, 242, 214, 0.75);
}
.page-news .feature-card__media {
  position: relative;
  display: block;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  background: var(--ink);
}
.page-news .feature-card--lead .feature-card__media {
  aspect-ratio: 16 / 9;
}
.page-news .feature-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .feature-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(7, 17, 31, 0.32) 0 1px, transparent 1px 4px);
  pointer-events: none;
}
.page-news .feature-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 18px 20px;
}
.page-news .feature-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 25px);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-news .feature-card--mini .feature-card__title {
  font-size: clamp(16px, 2vw, 19px);
}
.page-news .feature-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
}
.page-news .feature-card__link {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 242, 214, 0.45);
  padding-bottom: 2px;
}
.page-news .feature-card__link:hover,
.page-news .feature-card__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 更新公告专区 */
.page-news .news-notice {
  padding-block: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line);
  background: rgba(13, 27, 46, 0.55);
}
.page-news .news-notice__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: 22px;
}
.page-news .news-notice__head p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
}
.page-news .notice-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-news .notice-card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: rgba(7, 17, 31, 0.7);
  padding: 16px 18px 18px;
  transition: border-left-color 0.25s ease, background 0.25s ease;
}
.page-news .notice-card:hover {
  border-left-color: var(--cyan);
  background: rgba(13, 27, 46, 0.95);
}
.page-news .notice-card__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-news .notice-card__title {
  margin: 8px 0 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-news .notice-card__text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text);
}

/* 回访入口 */
.page-news .news-cta {
  padding-block: clamp(36px, 6vw, 72px);
}
.page-news .news-cta__panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(80% 140% at 100% 0%, rgba(123, 97, 255, 0.18), transparent 62%),
    radial-gradient(60% 120% at 0% 100%, rgba(55, 242, 214, 0.12), transparent 65%),
    var(--panel);
  padding: clamp(22px, 4vw, 44px);
}
.page-news .news-cta__panel::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, transparent 49%, rgba(55, 242, 214, 0.4) 50%);
  pointer-events: none;
}
.page-news .news-cta__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}
.page-news .news-cta__title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.page-news .news-cta__text {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}
.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-news .news-cta__aside {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--silver);
}
.page-news .news-cta__aside a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 242, 214, 0.45);
}
.page-news .news-cta__aside a:hover,
.page-news .news-cta__aside a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 中屏 */
@media (min-width: 720px) {
  .page-news .news-themes__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-news .notice-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 桌面：左侧粘性分类索引 + 右侧更新流 */
@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
  }
  .page-news .news-rail {
    position: sticky;
    top: 84px;
  }
  .page-news .featured-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 22px;
  }
  .page-news .stream-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 18px;
  }
}

/* 小屏：分类索引改为横向可滑动索引条 */
@media (max-width: 899px) {
  .page-news .news-rail {
    padding: 14px;
  }
  .page-news .news-rail__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .page-news .news-rail__item {
    width: auto;
  }
  .page-news .news-rail__note {
    margin-top: 12px;
  }
}

@media (max-width: 599px) {
  .page-news .news-themes__list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .news-masthead__watermark {
    opacity: 0.5;
  }
  .page-news .stream-item__excerpt {
    font-size: 14px;
  }
  .page-news .news-cta__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-themes__item,
  .page-news .news-rail__item,
  .page-news .feature-card,
  .page-news .stream-item__marker,
  .page-news .stream-item__main,
  .page-news .notice-card {
    transition: none;
  }
  .page-news .feature-card:hover {
    transform: none;
  }
}