.page-news {
  --news-rail: 264px;
  --news-sec-gap: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-bottom: clamp(26px, 3.6vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__index {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lime);
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  max-width: 16em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 44px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-news .news-stats .stat {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-news .news-stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-news .news-stats .stat__unit {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- 两栏骨架 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  padding-top: clamp(32px, 4.4vw, 60px);
}

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

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

@media (min-width: 920px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(32px, 3.6vw, 64px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 112px);
    overflow-y: auto;
  }
}

/* ---------- 左侧索引栏 ---------- */
.page-news .rail-block {
  border: 2px solid var(--line-2);
  background: var(--carbon);
  padding: 18px;
  box-shadow: var(--shadow-1);
}

.page-news .rail-block + .rail-block {
  margin-top: 16px;
}

.page-news .rail-block--mid {
  background: var(--mid);
  border-color: var(--line);
}

.page-news .rail-block__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-news .rail-nav {
  display: flex;
  flex-direction: column;
}

.page-news .rail-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.4;
  color: var(--paper);
  text-decoration: none;
  transition: color 160ms ease, padding-left 160ms ease;
}

.page-news .rail-nav a:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .rail-nav a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-news .rail-nav a:hover {
  color: var(--lime);
  padding-left: 4px;
}

.page-news .rail-block__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .rail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0 16px;
  padding: 0;
  list-style: none;
}

/* ---------- 条目流头部 ---------- */
.page-news .feed-head {
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-news .feed-head__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-news .feed-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .feed-head__sub {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 图片框 ---------- */
.page-news .news-frame {
  position: relative;
  margin: 0 0 clamp(20px, 2.8vw, 32px);
  border: 2px solid var(--edge-dark);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  background: var(--carbon);
  aspect-ratio: 21 / 9;
}

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

.page-news .news-frame--intel {
  aspect-ratio: 2 / 1;
  margin-bottom: 0;
}

.page-news .news-frame--board,
.page-news .news-frame--series {
  aspect-ratio: 3 / 2;
  margin-bottom: 0;
}

/* ---------- 复盘条目 ---------- */
.page-news .feed-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  grid-template-areas:
    "no body"
    ". stat";
  gap: 8px 14px;
  padding: clamp(16px, 2.2vw, 22px) 6px;
  border-top: 1px solid var(--line);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-news .feed-item:first-of-type {
  border-top: 2px solid var(--line-2);
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  background: rgba(198, 242, 78, 0.045);
  border-top-color: var(--lime);
}

.page-news .feed-item__no {
  grid-area: no;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-news .feed-item__body {
  grid-area: body;
  min-width: 0;
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 7px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .feed-item__league {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-news .feed-item__title {
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.36;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-news .feed-item__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .feed-item__outline {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 240ms cubic-bezier(0.2, 0.7, 0.3, 1), opacity 180ms ease;
}

.page-news .feed-item:hover .feed-item__outline,
.page-news .feed-item:focus-within .feed-item__outline {
  grid-template-rows: 1fr;
  opacity: 1;
}

.page-news .feed-item__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 12px 0 0;
  list-style: none;
}

.page-news .feed-item__steps li {
  padding: 3px 9px;
  border: 1px solid var(--line-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--muted);
}

.page-news .feed-item__stat {
  grid-area: stat;
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-news .feed-item__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-news .feed-item__unit {
  font-size: 11px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--muted);
}

@media (hover: none) {
  .page-news .feed-item__outline {
    grid-template-rows: 1fr;
    opacity: 1;
  }
}

@media (min-width: 1024px) {
  .page-news .feed-item {
    grid-template-columns: 52px minmax(0, 1fr) 124px;
    grid-template-areas: "no .page-news stat";
    gap: 0 24px;
    padding-inline: 10px 14px;
  }

  .page-news .feed-item__stat {
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    text-align: right;
  }
}

/* ---------- 专题横幅 ---------- */
.page-news .feed-banner {
  margin: clamp(22px, 3vw, 34px) 0;
  padding: clamp(20px, 2.8vw, 30px);
  background: var(--wine);
  border: 2px solid var(--edge-dark);
  box-shadow: var(--shadow-2);
}

.page-news .feed-banner__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-news .feed-banner h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.3vw, 25px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .feed-banner p {
  margin: 0 0 14px;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(232, 237, 234, 0.8);
}

/* ---------- 通栏色带 ---------- */
.page-news .news-band {
  margin-top: var(--news-sec-gap);
  padding: clamp(44px, 6vw, 88px) 0;
  border-top: 2px solid var(--edge-dark);
}

.page-news .news-band--indigo {
  background: var(--indigo);
}

.page-news .news-band--board {
  background: var(--carbon);
}

.page-news .news-band--mid {
  background: var(--mid);
  border-top-color: var(--line-2);
}

.page-news .news-band--plain {
  background: transparent;
  border-top-color: var(--line);
}

.page-news .news-band--cta {
  background: transparent;
  border-top-color: var(--line-2);
}

.page-news .sec-head {
  max-width: 72ch;
  margin-bottom: clamp(24px, 3.2vw, 40px);
}

.page-news .sec-index {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lime);
}

.page-news .sec-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .sec-lede {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .band-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

.page-news .band-grid__copy,
.page-news .band-grid__media {
  min-width: 0;
}

@media (min-width: 900px) {
  .page-news .band-grid {
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-news .band-grid--intel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-news .band-grid--board,
  .page-news .band-grid--series {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  }

  .page-news .band-grid--log {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }
}

/* ---------- 情报卡 ---------- */
.page-news .intel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .intel-card {
  padding: 16px 18px;
  background: rgba(11, 31, 26, 0.52);
  border-left: 3px solid var(--lime);
}

.page-news .intel-card + .intel-card {
  margin-top: 12px;
}

.page-news .intel-card__key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-news .intel-card__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .intel-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 更新记录 ---------- */
.page-news .changelog {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-2);
}

.page-news .changelog__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .changelog__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .changelog__what {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper);
}

@media (min-width: 700px) {
  .page-news .changelog__item {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* ---------- 专题系列 ---------- */
.page-news .series-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: series;
}

.page-news .series-list__item {
  position: relative;
  padding: 0 0 18px 30px;
  border-bottom: 1px solid var(--line);
}

.page-news .series-list__item + .series-list__item {
  padding-top: 18px;
}

.page-news .series-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .series-list__item::before {
  counter-increment: series;
  content: "0" counter(series);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-news .series-list__item + .series-list__item::before {
  top: 18px;
}

.page-news .series-list__name {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .series-list__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 订阅块 ---------- */
.page-news .cta-box {
  padding: clamp(26px, 3.6vw, 48px);
  border: 2px solid var(--orange);
  background: linear-gradient(135deg, rgba(255, 122, 47, 0.13), rgba(198, 242, 78, 0.05));
  box-shadow: var(--shadow-2);
}

.page-news .cta-box .sec-title {
  margin-bottom: 12px;
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 560px) {
  .page-news .feed-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 8px 10px;
    padding-inline: 2px;
  }

  .page-news .feed-item__steps li {
    font-size: 10px;
    padding: 3px 7px;
  }

  .page-news .news-hero h1 {
    max-width: none;
  }

  .page-news .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .feed-item__outline,
  .page-news .rail-nav a {
    transition: none;
  }
}