.page-news {
  --news-rail: 220px;
  --news-gap: var(--s2);
  background: var(--ink-900);
}

/* ---------- 栏目头部 ---------- */
.page-news .news-masthead {
  position: relative;
  border-bottom: 1px solid var(--line-700);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(123, 92, 255, .16), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--panel-900) 100%);
  overflow: hidden;
}

.page-news .news-masthead__inner {
  padding-top: var(--s3);
  padding-bottom: var(--s3);
}

.page-news .news-masthead__crumb {
  margin-bottom: var(--s2);
}

.page-news .news-masthead__crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-masthead__crumb a:hover,
.page-news .news-masthead__crumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .news-masthead__kicker {
  margin: 0 0 var(--s1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-news .news-masthead__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 10vw, 82px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-news .news-masthead__lead {
  max-width: 62ch;
  margin: var(--s2) 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--white);
}

.page-news .news-masthead__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: var(--s3) 0 0;
  padding: 1px 0 0;
  background: var(--line-700);
  border-top: 1px solid var(--line-700);
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-fact {
  padding: var(--s2) var(--s1) var(--s2) 0;
  background: var(--ink-900);
}

.page-news .news-fact__k {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .news-fact__v {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.4vw, 26px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.01em;
}

.page-news .news-masthead__fig {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--line-700);
}

.page-news .news-masthead__fig::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, .18) 0%, rgba(5, 7, 14, .82) 100%),
    repeating-linear-gradient(0deg, rgba(233, 238, 247, .045) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(233, 238, 247, .045) 0 1px, transparent 1px 48px);
  pointer-events: none;
}

.page-news .news-masthead__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06);
}

.page-news .news-masthead__figcap {
  position: absolute;
  left: clamp(16px, 4vw, 40px);
  bottom: 14px;
  right: clamp(16px, 4vw, 40px);
  z-index: 2;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 吸顶标签栏 ---------- */
.page-news .news-tabs {
  position: sticky;
  top: var(--header-h);
  z-index: 7;
  border-bottom: 1px solid var(--line-700);
  background: rgba(5, 7, 14, .92);
  backdrop-filter: blur(10px);
}

.page-news .news-tabs__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  min-height: 54px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.page-news .news-tabs__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-tabs__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-tabs__link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-tabs__link:hover,
.page-news .news-tabs__link:focus-visible {
  color: var(--white);
}

.page-news .news-tabs__link.is-current {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .news-tabs__note {
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  color: var(--muted);
}

/* ---------- 最新条目列表 ---------- */
.page-news .news-feed-block {
  padding-top: var(--s4);
  padding-bottom: var(--s4);
}

.page-news .news-feed {
  margin: var(--s3) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-700);
}

.page-news .news-entry {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx tag"
    "body body"
    "time time";
  gap: 10px var(--s1);
  padding: var(--s2) 0;
  border-bottom: 1px solid var(--line-700);
  transition: background-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--s1));
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--lime);
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.page-news .news-entry:hover {
  background: linear-gradient(90deg, rgba(182, 255, 46, .055), transparent 70%);
}

.page-news .news-entry:hover::before {
  opacity: 1;
}

.page-news .news-entry__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--line-700);
  transition: color .2s var(--ease);
}

.page-news .news-entry:hover .news-entry__idx {
  color: var(--lime);
}

.page-news .news-entry__tag {
  grid-area: tag;
  align-self: center;
}

.page-news .news-entry__body {
  grid-area: body;
}

.page-news .news-entry__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: -.01em;
}

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

.page-news .news-entry__title a:hover,
.page-news .news-entry__title a:focus-visible {
  color: var(--lime);
}

.page-news .news-entry__excerpt {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-entry__time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  opacity: .8;
}

/* ---------- 编辑部推荐 ---------- */
.page-news .news-picks {
  padding-top: var(--s4);
  padding-bottom: var(--s4);
}

.page-news .news-picks__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s2);
  margin-top: var(--s3);
}

.page-news .news-pick {
  position: relative;
  display: flex;
  gap: var(--s1);
  padding: var(--s2);
  background: var(--card-900);
  border: 1px solid var(--line-700);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-news .news-pick--lead {
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border-color: rgba(123, 92, 255, .45);
}

.page-news .news-pick__fig {
  margin: 0;
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-pick__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .news-pick--lead .news-pick__body {
  padding: var(--s2);
}

.page-news .news-pick__no {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  color: var(--line-700);
}

.page-news .news-pick__title {
  margin: 10px 0 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-news .news-pick__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  padding-top: var(--s4);
  padding-bottom: var(--s4);
  border-top: 1px solid var(--line-700);
}

.page-news .topic-rail {
  position: relative;
  margin-top: var(--s3);
}

.page-news .topic-rail::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 56px;
  background: linear-gradient(90deg, transparent, var(--ink-900));
  pointer-events: none;
}

.page-news .topic-rail__track {
  display: flex;
  gap: var(--s2);
  margin: 0;
  padding: 0 clamp(16px, 4vw, 40px) var(--s1);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .topic-card {
  flex: 0 0 82%;
  display: flex;
  flex-direction: column;
  scroll-snap-align: start;
  background: var(--card-900);
  border: 1px solid var(--line-700);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-news .topic-card:hover {
  border-color: var(--lime);
  transform: translateY(-2px);
}

.page-news .topic-card__cover {
  margin: 0;
  border-bottom: 1px solid var(--line-700);
}

.page-news .topic-card__cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .topic-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--s2);
}

.page-news .topic-card__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.1;
  color: var(--white);
}

.page-news .topic-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 数据延伸阅读 ---------- */
.page-news .news-reads {
  padding-top: var(--s4);
  padding-bottom: var(--s4);
}

.page-news .news-reads__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s3);
  margin-top: var(--s3);
}

.page-news .news-reads__lead {
  margin: 0 0 var(--s2);
  padding-left: var(--s1);
  border-left: 2px solid var(--lime);
  font-size: 17px;
  line-height: 1.75;
  color: var(--white);
}

.page-news .news-reads__glossary {
  margin: 0;
}

.page-news .glossary__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: var(--s1) 0;
  border-top: 1px solid var(--line-700);
}

.page-news .glossary__term {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-news .glossary__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-reads__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s1);
  margin-top: var(--s2);
}

.page-news .news-reads__fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-700);
  border-radius: var(--radius);
  background: var(--card-900);
  padding: 10px;
}

.page-news .news-reads__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  border-radius: 2px;
  filter: saturate(.9) contrast(1.05);
}

.page-news .news-reads__fig .annotation {
  display: block;
  margin-top: 10px;
}

/* ---------- 订阅与线索 ---------- */
.page-news .news-subscribe {
  padding-top: var(--s4);
  padding-bottom: var(--s6);
  border-top: 1px solid var(--line-700);
  background:
    radial-gradient(90% 80% at 10% 100%, rgba(53, 224, 196, .1), transparent 65%),
    var(--ink-900);
}

.page-news .news-subscribe__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s3);
  margin-top: var(--s3);
}

.page-news .news-subscribe__title {
  margin: 0 0 var(--s2);
  padding-bottom: var(--s1);
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.2;
  color: var(--white);
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-subscribe__list {
  display: flex;
  flex-direction: column;
  gap: var(--s1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-subscribe__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-subscribe__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 2px;
  background: var(--lime);
}

.page-news .news-subscribe__list a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line-700);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-subscribe__list a:hover,
.page-news .news-subscribe__list a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-news .news-masthead__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-tabs__note {
    display: block;
  }

  .page-news .news-entry {
    grid-template-columns: 54px 130px 1fr auto;
    grid-template-areas: "idx tag .page-news time";
    align-items: start;
    gap: var(--s2);
    padding: var(--s2) 0;
  }

  .page-news .news-entry__tag {
    align-self: start;
  }

  .page-news .news-entry__time {
    align-self: start;
    padding-top: 4px;
    text-align: right;
    white-space: nowrap;
  }

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

  .page-news .news-pick--lead {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .news-pick--lead .news-pick__fig {
    flex: 0 0 46%;
    border-bottom: 0;
    border-right: 1px solid var(--line-700);
  }

  .page-news .news-pick--lead .news-pick__fig img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-news .news-pick--lead .news-pick__body {
    flex: 1 1 auto;
    padding: var(--s3);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-news .topic-card {
    flex-basis: 44%;
  }

  .page-news .glossary__row {
    grid-template-columns: 170px 1fr;
    gap: var(--s2);
    align-items: baseline;
  }

  .page-news .news-subscribe__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--s4);
  }
}

@media (min-width: 1024px) {
  .page-news .news-masthead__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    column-gap: var(--s4);
    align-items: start;
    padding-top: var(--s4);
    padding-bottom: var(--s4);
  }

  .page-news .news-masthead__crumb,
  .page-news .news-masthead__kicker,
  .page-news .news-masthead__title,
  .page-news .news-masthead__lead {
    grid-column: 1;
  }

  .page-news .news-masthead__facts {
    grid-column: 2;
    grid-row: 2 / span 3;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0;
  }

  .page-news .news-masthead__lead {
    font-size: 18px;
  }

  .page-news .news-entry {
    grid-template-columns: 64px 140px 1fr 168px;
  }

  .page-news .news-entry__title {
    font-size: 20px;
  }

  .page-news .news-picks__grid {
    grid-template-columns: 1.35fr 1fr 1fr;
  }

  .page-news .news-pick--lead {
    grid-column: auto;
    flex-direction: column;
  }

  .page-news .news-pick--lead .news-pick__fig {
    flex: 0 0 auto;
    border-right: 0;
    border-bottom: 1px solid var(--line-700);
  }

  .page-news .news-pick--lead .news-pick__fig img {
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .page-news .news-pick--lead .news-pick__body {
    padding: var(--s2);
    justify-content: flex-start;
  }

  .page-news .topic-card {
    flex-basis: 30%;
  }

  .page-news .news-reads__grid {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
    gap: var(--s4);
  }

  .page-news .news-reads__fig {
    position: sticky;
    top: calc(var(--header-h) + 78px);
  }
}

@media (min-width: 1440px) {
  .page-news .topic-card {
    flex-basis: 26%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .topic-card,
  .page-news .news-tabs__link {
    transition: none;
  }

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