.page-news {
  --news-rail: 15rem;
  position: relative;
  padding-block: clamp(1.25rem, 3vw, 2.5rem) clamp(3rem, 8vw, 5.5rem);
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(15, 123, 123, .20), transparent 62%),
    radial-gradient(85% 45% at 0% 12%, rgba(200, 16, 46, .16), transparent 60%),
    var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: clip;
}

.page-news a:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-news .news-block,
.page-news .news-item {
  scroll-margin-top: 6.5rem;
}

/* 首屏 */
.page-news .news-masthead {
  position: relative;
  margin-block: clamp(1rem, 3vw, 1.75rem) clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.35rem, 4vw, 2.75rem) clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(145deg, rgba(22, 22, 31, .95), rgba(11, 11, 15, .68));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--red), var(--gold) 70%, var(--teal));
}

.page-news .news-masthead h1 {
  margin: .5rem 0 1rem;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.4vw, 3.9rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--white);
}

.page-news .news-masthead__lead {
  margin: 0 0 1.25rem;
  max-width: 62ch;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  color: rgba(232, 213, 183, .9);
}

.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-news .news-masthead__chip {
  padding: .32rem .72rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--gold-bright);
  background: rgba(212, 160, 23, .08);
  border: 1px solid rgba(212, 160, 23, .4);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-news .news-ribbon {
  height: 3px;
  margin-block: 0 clamp(1.5rem, 4vw, 2.5rem);
  background: linear-gradient(90deg, var(--red) 0 26%, var(--gold) 26% 52%, var(--teal) 52% 74%, var(--sand) 74% 100%);
  opacity: .85;
}

/* 主体骨架 */
.page-news .news-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

/* 左侧索引 */
.page-news .news-rail {
  padding: clamp(1rem, 3vw, 1.35rem);
  background: rgba(16, 16, 24, .78);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}

.page-news .news-rail__block + .news-rail__block {
  margin-block-start: 1.25rem;
  padding-block-start: 1.25rem;
  border-block-start: 1px solid var(--line);
}

.page-news .news-rail__title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .news-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .25rem;
}

.page-news .news-rail__list--cat {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-news .news-rail__list a {
  display: block;
  padding: .42rem .55rem;
  font-size: .95rem;
  color: var(--sand);
  text-decoration: none;
  border-inline-start: 2px solid rgba(232, 213, 183, .16);
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-news .news-rail__list a:hover,
.page-news .news-rail__list a:focus-visible {
  color: var(--white);
  border-inline-start-color: var(--red-bright);
  background: rgba(200, 16, 46, .14);
}

/* 右侧流 */
.page-news .news-feed {
  display: grid;
  gap: clamp(2.25rem, 6vw, 4rem);
  min-width: 0;
}

.page-news .section-head {
  margin-block-end: clamp(1rem, 3vw, 1.75rem);
}

.page-news .section-head h2 {
  margin: .35rem 0 .5rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
}

.page-news .section-head__note {
  margin: 0;
  max-width: 52ch;
  font-size: .95rem;
  color: rgba(232, 213, 183, .78);
}

/* 图片容器 */
.page-news .news-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--ink-soft);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}

.page-news .news-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-media--lead {
  aspect-ratio: 14 / 9;
}

/* 头条 */
.page-news .lead-story {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1rem, 3vw, 1.5rem);
  background: linear-gradient(155deg, rgba(200, 16, 46, .14), rgba(22, 22, 31, .9) 55%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .lead-story__body {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  min-width: 0;
}

.page-news .lead-story__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
}

.page-news .lead-story__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 800;
  line-height: 1.28;
  color: var(--white);
}

.page-news .lead-story__body p {
  margin: 0;
  font-size: .97rem;
  color: rgba(232, 213, 183, .86);
}

.page-news .lead-story__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}

.page-news .lead-story__points li {
  position: relative;
  padding-inline-start: 1.4rem;
  font-size: .93rem;
  color: rgba(247, 243, 234, .92);
}

.page-news .lead-story__points li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: .62em;
  width: .7rem;
  height: 2px;
  background: var(--gold);
}

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

/* 列表条目 */
.page-news .news-feed__list {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  background: linear-gradient(165deg, rgba(22, 22, 31, .94), rgba(16, 16, 24, .72));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, var(--cut-sm) 100%, 0 calc(100% - var(--cut-sm)));
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 46px;
  height: 3px;
  background: var(--red);
}

.page-news .news-item--observe::before {
  background: var(--teal-bright);
}

.page-news .news-item--notice::before {
  background: var(--gold);
}

.page-news .news-item--guide::before {
  background: var(--sand);
}

.page-news .news-item .news-media {
  aspect-ratio: 16 / 10;
}

.page-news .news-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--gold-bright);
  opacity: .9;
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.6vw, 1.45rem);
  font-weight: 700;
  line-height: 1.34;
  color: var(--white);
}

.page-news .news-item__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: rgba(232, 213, 183, .8);
}

/* 专题系列 */
.page-news .series-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(15rem, 80%);
  gap: clamp(.75rem, 2vw, 1.1rem);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding-block-end: .85rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(200, 16, 46, .7) transparent;
}

.page-news .series-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: clamp(.95rem, 2.4vw, 1.35rem);
  background: linear-gradient(200deg, rgba(15, 123, 123, .24), rgba(22, 22, 31, .92) 58%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-news .series-card .news-media {
  aspect-ratio: 3 / 2;
  margin-block-end: .2rem;
}

.page-news .series-card .tag {
  align-self: flex-start;
}

.page-news .series-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-news .series-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: rgba(232, 213, 183, .8);
}

/* 更新节奏 */
.page-news .cadence {
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  background:
    linear-gradient(125deg, rgba(200, 16, 46, .16), transparent 55%),
    linear-gradient(300deg, rgba(15, 123, 123, .2), transparent 62%),
    var(--ink-panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .cadence__grid {
  display: grid;
  gap: clamp(1rem, 3vw, 1.75rem);
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
}

.page-news .cadence__item {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding-inline-start: .85rem;
  border-inline-start: 2px solid rgba(212, 160, 23, .45);
}

.page-news .cadence__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--gold-bright);
}

.page-news .cadence__label {
  font-size: .88rem;
  line-height: 1.6;
  color: rgba(232, 213, 183, .82);
}

.page-news .cadence__note {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding-block-start: clamp(1rem, 2.5vw, 1.25rem);
  max-width: 62ch;
  font-size: .95rem;
  color: rgba(232, 213, 183, .85);
  border-block-start: 1px solid var(--line);
}

.page-news .news-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-links a {
  display: inline-block;
  padding: .42rem .8rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cream);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-news .news-links a:hover,
.page-news .news-links a:focus-visible {
  color: var(--white);
  border-color: var(--red-bright);
  background: rgba(200, 16, 46, .16);
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-news .series-rail {
    grid-auto-columns: minmax(16rem, 31%);
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(1.75rem, 3vw, 3rem);
  }

  .page-news .news-rail {
    position: sticky;
    top: 6.5rem;
  }

  .page-news .news-rail__list--cat {
    grid-template-columns: 1fr;
  }

  .page-news .lead-story {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-news .news-feed__list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .news-item {
    grid-column: span 7;
  }

  .page-news .news-item:nth-child(even) {
    grid-column: span 5;
  }

  .page-news .news-item--version .news-media {
    aspect-ratio: 21 / 10;
  }
}

@media (hover: hover) {
  .page-news .news-item:hover {
    transform: translateY(-3px);
    border-color: var(--line-strong);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-rail__list a,
  .page-news .news-links a {
    transition: none;
  }

  .page-news .news-item:hover {
    transform: none;
  }

  .page-news .series-rail {
    scroll-behavior: auto;
  }
}