.page-news {
  --pn-rail: 15rem;
  --pn-accent: var(--flare);
  background: var(--mist);
  color: var(--ink-deep);
  font-family: var(--font-sans);
  overflow-x: clip;
}

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

.page-news .media-frame img {
  width: 100%;
  object-fit: cover;
}

.page-news .media-frame__caption {
  margin-top: .6rem;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: clamp(2rem, 6vw, 4.5rem) 0 clamp(1.75rem, 4vw, 3rem);
  color: var(--core);
  background-color: var(--ink-deep);
  background-image:
    radial-gradient(110% 80% at 84% 0%, rgba(46, 125, 255, .42), rgba(10, 20, 48, 0) 62%),
    radial-gradient(90% 70% at 6% 104%, rgba(87, 224, 208, .18), rgba(10, 20, 48, 0) 60%),
    repeating-linear-gradient(108deg, rgba(143, 163, 200, .12) 0 1px, rgba(143, 163, 200, 0) 1px 72px);
}

.page-news .news-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  font-size: .78rem;
  color: rgba(143, 163, 200, .95);
}

.page-news .news-hero .breadcrumb a {
  color: rgba(247, 250, 255, .78);
  text-decoration: none;
}

.page-news .news-hero .breadcrumb a:hover {
  color: var(--core);
  text-decoration: underline;
}

.page-news .news-hero__eyebrow {
  margin: 1.5rem 0 0;
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--trail);
}

.page-news .news-hero h1 {
  margin: .55rem 0 1rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.1rem, 7vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--core);
}

.page-news .news-hero__lead {
  max-width: 36em;
  margin: 0;
  font-size: clamp(.96rem, 2.4vw, 1.06rem);
  line-height: 1.85;
  color: rgba(247, 250, 255, .82);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.65rem;
}

.page-news .news-hero__media {
  margin: clamp(1.75rem, 4.5vw, 2.75rem) 0 0;
}

/* ---------- 章节骨架 ---------- */

.page-news .section {
  padding: clamp(2.25rem, 6vw, 4rem) 0;
}

.page-news .section-head {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: clamp(.7rem, 2vw, 1.4rem);
  margin-bottom: clamp(1.1rem, 3vw, 1.9rem);
}

.page-news .section-index {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 8vw, 4.6rem);
  font-weight: 700;
  line-height: .84;
  letter-spacing: -.03em;
  color: var(--flare);
}

.page-news .news-heading {
  display: grid;
  gap: .3rem;
  min-width: 0;
}

.page-news .news-heading .eyebrow {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-news .news-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.25;
  color: var(--ink-deep);
}

/* ---------- 本轮速览 ---------- */

.page-news .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--edge);
}

.page-news .brief-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 1rem;
  row-gap: .18rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--edge);
  transition: background .3s var(--ease);
}

.page-news .brief-item:hover {
  background: rgba(46, 125, 255, .05);
}

.page-news .brief-no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 5vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--flare);
}

.page-news .brief-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-deep);
}

.page-news .brief-text {
  margin: 0;
  max-width: 40em;
  font-size: .88rem;
  line-height: 1.62;
  color: var(--ink-mid);
}

/* ---------- 主体双栏 ---------- */

.page-news .news-body {
  background: linear-gradient(180deg, var(--mist) 0%, #fff 18%, #fff 100%);
  padding-top: clamp(1rem, 3vw, 2rem);
}

.page-news .news-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-news .news-rail {
  display: grid;
  gap: 1rem;
  padding: 1rem 1.05rem 1.2rem;
  border: 1px solid var(--edge);
  background: #fff;
  box-shadow: 0 14px 34px -30px rgba(10, 20, 48, .7);
}

.page-news .news-rail__title {
  margin: 0 0 .55rem;
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-news .round-jump {
  display: grid;
  gap: .1rem;
  padding-top: .85rem;
  border-top: 1px solid var(--edge);
}

.page-news .round-jump a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  padding: .45rem 0;
  font-size: .88rem;
  color: var(--ink-deep);
  text-decoration: none;
  border-bottom: 1px dashed rgba(201, 212, 232, .95);
  transition: color .25s var(--ease);
}

.page-news .round-jump a::after {
  content: "↓";
  font-family: var(--font-mono);
  color: var(--flare);
}

.page-news .round-jump a:hover {
  color: var(--flare);
}

.page-news .news-stream {
  display: grid;
  gap: clamp(2rem, 5vw, 3.25rem);
  min-width: 0;
}

.page-news .news-block {
  min-width: 0;
}

.page-news .news-block__head {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: clamp(.7rem, 2vw, 1.25rem);
  margin-bottom: 1.25rem;
}

.page-news .news-block__lead {
  margin-bottom: 1.5rem;
}

.page-news .news-block__media {
  margin: 0 0 1.75rem;
}

.page-news .news-block__avatar {
  width: 84px;
  margin-left: auto;
  flex: 0 0 auto;
}

/* ---------- 战报时间线 ---------- */

.page-news .round-head {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 1.9rem 0 .95rem;
  padding: .3rem .8rem .3rem .6rem;
  border-left: 3px solid var(--saffron);
  background: var(--ink-deep);
  color: var(--core);
  font-size: .84rem;
  font-weight: 600;
  letter-spacing: .1em;
  scroll-margin-top: 6rem;
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0 0 .75rem;
  padding: 0 0 0 1.75rem;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .7rem;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--flare) 0%, rgba(46, 125, 255, .38) 55%, rgba(46, 125, 255, 0) 100%);
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 1.5rem;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: calc(-1.75rem - 1.5px);
  top: .55rem;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--ink-deep);
  border: 2px solid var(--trail);
  box-shadow: 0 0 0 4px rgba(87, 224, 208, .16);
}

.page-news .tl-top {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: .35rem;
}

.page-news .tl-time {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-news .tl-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .65rem;
  margin: 0 0 .4rem;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-deep);
}

.page-news .tl-score {
  font-size: 1.15rem;
  letter-spacing: .08em;
  color: var(--flare);
}

.page-news .tl-sum {
  margin: 0 0 .6rem;
  max-width: 40em;
  font-size: .89rem;
  line-height: 1.72;
  color: var(--ink-mid);
  max-height: 3.44em;
  overflow: hidden;
  transition: max-height .45s var(--ease);
}

.page-news .tl-item:hover .tl-sum,
.page-news .tl-item:focus-within .tl-sum {
  max-height: 14em;
}

.page-news .tl-events {
  list-style: none;
  margin: 0;
  padding: .6rem .8rem;
  border-left: 1px solid var(--edge);
  background: rgba(244, 246, 251, .9);
  display: grid;
  gap: .35rem;
}

.page-news .tl-events li {
  display: grid;
  grid-template-columns: 2.7rem minmax(0, 1fr);
  gap: .5rem;
  font-size: .84rem;
  line-height: 1.55;
  color: var(--ink-mid);
}

.page-news .tl-events .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--flare);
}

/* ---------- 专家专栏 ---------- */

.page-news .note-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .note-card {
  position: relative;
  min-width: 0;
  padding: 1.15rem 1.15rem 1.25rem;
  background: #fff;
  border: 1px solid var(--edge);
  box-shadow: 0 1px 0 rgba(10, 20, 48, .03), 0 16px 36px -32px rgba(10, 20, 48, .8);
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}

.page-news .note-card:hover {
  transform: translateY(-2px);
  border-color: rgba(46, 125, 255, .5);
}

.page-news .note-card__no {
  position: absolute;
  top: 1rem;
  right: 1.05rem;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: rgba(46, 125, 255, .3);
}

.page-news .note-card__series {
  margin: 0 0 .5rem;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--saffron);
}

.page-news .note-card__title {
  margin: 0 0 .5rem;
  padding-right: 2.1rem;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-deep);
}

.page-news .note-card__sum {
  margin: 0 0 .65rem;
  font-size: .89rem;
  line-height: 1.72;
  color: var(--ink-mid);
}

.page-news .note-card__more {
  margin-top: .35rem;
}

.page-news .note-card__more summary {
  display: flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
  list-style: none;
  font-size: .82rem;
  color: var(--flare);
}

.page-news .note-card__more summary::-webkit-details-marker {
  display: none;
}

.page-news .note-card__more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-news .note-card__more[open] summary::before {
  content: "−";
}

.page-news .note-card__more ul {
  margin: .5rem 0 0;
  padding-left: 1.1rem;
  font-size: .84rem;
  line-height: 1.68;
  color: var(--ink-mid);
}

.page-news .note-card__byline {
  margin: .7rem 0 0;
  padding-top: .6rem;
  border-top: 1px solid var(--edge);
  font-size: .77rem;
  letter-spacing: .05em;
  color: var(--slate);
}

/* ---------- 专题合集 ---------- */

.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-bottom: var(--gap);
}

.page-news .series-card {
  position: relative;
  padding: 1.1rem 1.1rem 1.2rem 1.35rem;
  background: #fff;
  border: 1px solid var(--edge);
  overflow: hidden;
}

.page-news .series-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--pn-accent);
}

.page-news .series-card--review { --pn-accent: var(--saffron); }
.page-news .series-card--plateau { --pn-accent: var(--trail); }
.page-news .series-card--lab { --pn-accent: var(--flare); }

.page-news .series-card__label {
  margin: 0 0 .5rem;
  font-size: .73rem;
  letter-spacing: .16em;
  color: var(--pn-accent);
}

.page-news .series-card h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--ink-deep);
}

.page-news .series-card p {
  margin: 0 0 .6rem;
  font-size: .87rem;
  line-height: 1.72;
  color: var(--ink-mid);
}

.page-news .series-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .77rem;
  letter-spacing: .08em;
  color: var(--slate);
}

/* ---------- 阅读顺序 ---------- */

.page-news .news-order {
  background: #fff;
  border-top: 1px solid var(--edge);
}

.page-news .news-order__lead {
  margin-bottom: 1.5rem;
}

.page-news .order-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
}

.page-news .order-step {
  display: grid;
  align-content: start;
  gap: .4rem;
  padding: 1.1rem;
  background: #fff;
}

.page-news .order-step__no {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--flare);
}

.page-news .order-step h3 {
  margin: 0;
  font-size: .98rem;
  font-weight: 600;
  color: var(--ink-deep);
}

.page-news .order-step p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.68;
  color: var(--ink-mid);
}

/* ---------- 更新节奏 ---------- */

.page-news .news-cadence {
  color: var(--core);
  background-color: var(--ink-deep);
  background-image:
    radial-gradient(90% 70% at 88% 8%, rgba(46, 125, 255, .35), rgba(10, 20, 48, 0) 62%),
    repeating-linear-gradient(108deg, rgba(143, 163, 200, .11) 0 1px, rgba(143, 163, 200, 0) 1px 80px);
}

.page-news .news-cadence .news-heading h2 {
  color: var(--core);
}

.page-news .news-cadence .news-heading .eyebrow {
  color: var(--trail);
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid rgba(143, 163, 200, .3);
  background: rgba(143, 163, 200, .3);
}

.page-news .cadence-grid .data-figure {
  display: grid;
  gap: .35rem;
  padding: 1.1rem 1rem 1.2rem;
  background: rgba(22, 38, 79, .94);
}

.page-news .cadence-grid .data-figure__value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--core);
}

.page-news .cadence-grid .data-figure__label {
  font-size: .82rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-news .cadence-note {
  margin: 1.6rem 0 0;
  max-width: 40em;
  font-size: .91rem;
  line-height: 1.85;
  color: rgba(247, 250, 255, .8);
}

.page-news .news-links {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1.4rem;
  margin-top: 1.8rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(143, 163, 200, .32);
}

.page-news .news-links a {
  padding-bottom: .15rem;
  font-size: .89rem;
  color: var(--core);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 125, 255, .6);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-news .news-links a:hover {
  color: var(--flare);
  border-color: var(--flare);
}

/* ---------- 中等屏幕 ---------- */

@media (min-width: 640px) {
  .page-news .news-block__avatar {
    width: 108px;
  }

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

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

@media (min-width: 720px) {
  .page-news .note-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-news .news-body__grid {
    grid-template-columns: var(--pn-rail) minmax(0, 1fr);
  }

  .page-news .news-rail {
    position: sticky;
    top: 5.5rem;
  }

  .page-news .order-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .brief-item,
  .page-news .note-card,
  .page-news .tl-sum,
  .page-news .news-links a {
    transition: none;
  }

  .page-news .note-card:hover {
    transform: none;
  }
}