.page-news {
  --spine: clamp(20px, 3.4vw, 38px);
  --band-pad: clamp(44px, 6.5vw, 96px);
  display: block;
  background: var(--bg);
  color: var(--ink);
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(26px, 4vw, 52px);
  background:
    radial-gradient(110% 80% at 88% -10%, rgba(164, 92, 255, .24), transparent 60%),
    radial-gradient(80% 60% at 4% 0%, rgba(47, 224, 255, .13), transparent 62%),
    var(--bg-deep);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__head {
  padding-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(16px, 2.2vw, 24px);
  font-size: 12.5px;
  color: var(--ink-2);
}

.page-news .news-hero .crumbs a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-news .news-hero .crumbs a:hover {
  color: var(--cyan);
}

.page-news .news-hero .crumbs__sep {
  color: var(--line);
}

.page-news .news-hero .eyebrow {
  margin: 0 0 12px;
}

.page-news .pixel-title {
  margin: 0;
  max-width: 22ch;
  line-height: 1.22;
}

.page-news .news-hero__lede {
  max-width: 60ch;
  margin: clamp(14px, 1.8vw, 20px) 0 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.82;
  color: var(--ink-2);
}

.page-news .news-hero__badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
}

.page-news .news-hero__figurewrap {
  padding-bottom: clamp(30px, 4vw, 56px);
}

.page-news .hero-frame {
  aspect-ratio: 8 / 3;
  overflow: hidden;
}

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

/* ============ 色带与章节头 ============ */
.page-news .news-band {
  padding: var(--band-pad) 0;
  background: var(--bg);
}

.page-news .news-band--alt {
  background: var(--bg-panel);
}

.page-news .sec-head {
  max-width: 66ch;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-news .sec-head .eyebrow {
  margin: 0 0 12px;
}

.page-news .sec-head .section-title {
  margin: 0;
}

.page-news .sec-head__lede {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ============ 栏目导览 ============ */
.page-news .col-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-news .col-item {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-news .col-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .col-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-news .col-item__title {
  margin: 10px 0 8px;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.35;
  color: var(--ink);
}

.page-news .col-item__desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ============ 通用行内链接 ============ */
.page-news .col-item__link,
.page-news .topic__link,
.page-news .revisit__link,
.page-news .backtop a {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--neon);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size .3s var(--ease), color .2s var(--ease);
}

.page-news .col-item__link:hover,
.page-news .topic__link:hover,
.page-news .revisit__link:hover,
.page-news .backtop a:hover {
  color: var(--cyan);
  background-size: 100% 1px;
}

/* ============ 配图 ============ */
.page-news .feature-figure {
  margin: 0 0 clamp(26px, 3.4vw, 42px);
  max-width: min(100%, 620px);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-deep);
}

.page-news .feature-figure--wide {
  max-width: min(100%, 780px);
}

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

/* ============ 阶段定位 ============ */
.page-news .stage-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(26px, 3.2vw, 38px);
}

.page-news .stage-jump a {
  display: inline-block;
  padding: 7px 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink-2);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-news .stage-jump a:hover {
  color: var(--ink);
  border-color: var(--neon);
  background: rgba(164, 92, 255, .16);
}

/* ============ 阶段区块与时间刻度线 ============ */
.page-news .stage-block {
  margin-bottom: clamp(30px, 4vw, 52px);
  scroll-margin-top: 84px;
}

.page-news .stage-block:last-child {
  margin-bottom: 0;
}

.page-news .stage-block__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 6px;
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.4;
  color: var(--ink);
}

.page-news .stage-block__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
}

.page-news .news-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 10px 0 0 var(--spine);
}

.page-news .news-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, rgba(47, 224, 255, .85), rgba(164, 92, 255, .55) 42%, var(--line) 100%);
}

.page-news .news-list::after {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 4px;
  width: 6px;
  background-image: repeating-linear-gradient(180deg, rgba(185, 174, 222, .34) 0 1px, transparent 1px 12px);
  pointer-events: none;
}

.page-news .news-item {
  position: relative;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-item:first-child {
  border-top: 1px solid var(--line);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--spine));
  top: 28px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(47, 224, 255, .6);
  transform: translateX(-3.5px);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--ink-2);
}

.page-news .news-item__code {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-news .news-tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .04em;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.page-news .news-tag--season { color: var(--gold); }
.page-news .news-tag--topic { color: var(--neon); }
.page-news .news-tag--notice { color: var(--red); }

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-2);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.75vw, 19px);
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-item__sum {
  margin: 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .news-item__more {
  margin-top: 12px;
}

.page-news .news-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--neon);
  transition: color .2s var(--ease);
}

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

.page-news .news-item__more summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
  transition: transform .2s var(--ease);
}

.page-news .news-item__more[open] summary::after {
  transform: rotate(45deg);
}

.page-news .news-item__more summary:hover {
  color: var(--cyan);
}

.page-news .news-item__more p {
  margin: 10px 0 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ============ 版本记录 ============ */
.page-news .ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .ver-item {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-news .ver-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .ver-item__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--neon);
  text-shadow: 0 0 18px rgba(164, 92, 255, .45);
}

.page-news .ver-item__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.45;
  color: var(--ink);
}

.page-news .ver-item__desc {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .ver-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ver-item__tags li {
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* ============ 玩法专题 ============ */
.page-news .topic-stack {
  display: grid;
  gap: clamp(28px, 3.8vw, 48px);
}

.page-news .topic {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-news .topic__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-deep);
}

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

.page-news .topic__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .topic__title {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.4;
  color: var(--ink);
}

.page-news .topic__body p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .topic__points {
  display: grid;
  gap: 7px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-news .topic__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-news .topic__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ============ 回顾与跟进 ============ */
.page-news .revisit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 36px);
}

.page-news .revisit {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-news .revisit h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .revisit p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .backtop {
  margin: clamp(32px, 4vw, 50px) 0 0;
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-news .feature-figure {
    max-width: min(100%, 680px);
  }

  .page-news .feature-figure--wide {
    max-width: min(100%, 860px);
  }
}

@media (min-width: 760px) {
  .page-news .ver-item {
    grid-template-columns: 130px 1fr;
    gap: clamp(18px, 3vw, 44px);
    align-items: start;
    padding: 26px 0;
  }

  .page-news .news-item::before {
    top: 30px;
  }
}

@media (min-width: 880px) {
  .page-news .topic--lead {
    grid-template-columns: 1fr 1.08fr;
    align-items: center;
    gap: clamp(22px, 3vw, 44px);
  }
}

@media (min-width: 900px) {
  .page-news .col-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 0 clamp(20px, 2.6vw, 40px);
  }

  .page-news .col-item {
    padding: 26px 0 10px;
    border-bottom: none;
  }

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

@media (min-width: 860px) {
  .page-news .revisit-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .col-item__link,
  .page-news .topic__link,
  .page-news .revisit__link,
  .page-news .backtop a,
  .page-news .stage-jump a,
  .page-news .news-item__more summary,
  .page-news .news-item__more summary::after,
  .page-news .news-hero .crumbs a {
    transition: none;
  }
}