.page-news {
  --news-now: #E8C77A;
  --news-prev: rgba(201, 162, 74, .58);
  --news-early: rgba(47, 143, 123, .78);
  --news-archive: rgba(110, 118, 145, .78);
  --news-track: rgba(201, 162, 74, .14);
  background: var(--indigo);
  color: var(--cream);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(88px, 13vw, 148px) 0 clamp(42px, 6vw, 76px);
  background:
    radial-gradient(120% 82% at 84% 4%, rgba(201, 162, 74, .18), transparent 60%),
    radial-gradient(90% 62% at 6% 94%, rgba(47, 143, 123, .12), transparent 62%),
    linear-gradient(180deg, var(--charcoal) 0%, var(--indigo) 74%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-news .news-hero .breadcrumb {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-news .news-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: end;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.18;
  letter-spacing: -.012em;
  color: var(--cream);
}

.page-news .news-hero__lead {
  max-width: 48ch;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .quarter-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: end;
  gap: 10px;
  height: 168px;
  padding-top: 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .quarter-rail__bar {
  display: block;
  border-top: 2px solid var(--gold);
  background: linear-gradient(180deg, rgba(201, 162, 74, .40), rgba(201, 162, 74, .02));
}

.page-news .quarter-rail__bar--a {
  height: 42%;
  border-top-color: var(--mauve);
  background: linear-gradient(180deg, rgba(110, 118, 145, .40), rgba(110, 118, 145, .02));
}

.page-news .quarter-rail__bar--b {
  height: 62%;
  border-top-color: var(--jade);
  background: linear-gradient(180deg, rgba(47, 143, 123, .40), rgba(47, 143, 123, .02));
}

.page-news .quarter-rail__bar--c {
  height: 80%;
}

.page-news .quarter-rail__bar--d {
  height: 100%;
  border-top-color: var(--gold-bright);
  background: linear-gradient(180deg, rgba(232, 199, 122, .48), rgba(232, 199, 122, .02));
}

@media (min-width: 960px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 60px;
  }
  .page-news .quarter-rail {
    height: 232px;
  }
}

/* ---------- 章节通用 ---------- */

.page-news .news-section {
  padding: clamp(46px, 6.4vw, 92px) 0;
}

.page-news .news-section + .news-section {
  border-top: 1px solid var(--line-soft);
}

.page-news .section-head {
  margin-bottom: clamp(24px, 3.2vw, 44px);
}

.page-news .section-head .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 2.6vw, 32px);
  line-height: 1.28;
  color: var(--cream);
}

.page-news .section-head .section-lead {
  max-width: 64ch;
  margin: 12px 0 0;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ---------- 排期流式列表 ---------- */

.page-news .news-stream {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 24px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-news .news-item__band {
  grid-column: 1;
  grid-row: 1;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--band), transparent);
}

.page-news .news-item__main {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
}

.page-news .news-item__meta {
  grid-column: 1;
  grid-row: 3;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.42;
  color: var(--cream);
}

.page-news .news-item__summary {
  max-width: 68ch;
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.76;
  color: var(--ink-soft);
}

.page-news .news-item__meta .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .news-item__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink-faint);
}

.page-news .news-item__media {
  margin: 18px 0 0;
  max-width: 520px;
}

.page-news .news-item__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-news .band--now { --band: var(--news-now); }
.page-news .band--prev { --band: var(--news-prev); }
.page-news .band--early { --band: var(--news-early); }
.page-news .band--archive { --band: var(--news-archive); }

@media (min-width: 900px) {
  .page-news .news-item {
    grid-template-columns: minmax(0, 1fr) 168px 40px;
    grid-template-rows: auto;
    column-gap: 26px;
    padding: 30px 0;
  }
  .page-news .news-item__main { grid-column: 1; grid-row: 1; }
  .page-news .news-item__meta {
    grid-column: 2;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    gap: 10px;
    padding-top: 4px;
    text-align: right;
  }
  .page-news .news-item__band {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    width: 2px;
    height: 100%;
    min-height: 56px;
    background: linear-gradient(180deg, var(--band) 0%, rgba(201, 162, 74, 0) 100%);
  }
}

/* ---------- 栏目分类 ---------- */

.page-news .news-filters {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px 24px;
  padding: 14px 0 18px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: thin;
}

.page-news .news-filter {
  position: relative;
  flex: 0 0 auto;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--ink-faint);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-filter:hover,
.page-news .news-filter:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: rgba(232, 199, 122, .5);
}

.page-news .news-filter:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
}

.page-news .news-filter--on {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

.page-news .column-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 30px;
}

.page-news .column-card {
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .column-card:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .column-card__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--jade);
}

.page-news .column-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.4;
  color: var(--cream);
}

.page-news .column-card__text {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--ink-soft);
}

@media (min-width: 760px) {
  .page-news .column-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .column-card:nth-child(odd) {
    padding-right: 28px;
  }
  .page-news .column-card:nth-child(even) {
    padding-left: 28px;
    border-left: 1px solid var(--line-soft);
  }
}

@media (min-width: 1080px) {
  .page-news .column-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .column-card {
    padding: 22px 26px;
    border-bottom: 0;
  }
  .page-news .column-card:nth-child(odd) {
    padding-right: 26px;
  }
  .page-news .column-card:nth-child(even) {
    padding-left: 26px;
  }
  .page-news .column-card:first-child {
    padding-left: 0;
    border-left: 0;
  }
  .page-news .column-card + .column-card {
    border-left: 1px solid var(--line-soft);
  }
}

/* ---------- 版本区 ---------- */

.page-news .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-news .version-layout__figure {
  margin: 0;
}

.page-news .version-layout__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

@media (min-width: 1000px) {
  .page-news .version-layout {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .78fr);
    gap: 52px;
    align-items: start;
  }
}

/* ---------- 折叠组 ---------- */

.page-news .accordion {
  border-top: 1px solid var(--line-soft);
}

.page-news .accordion-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .accordion-heading {
  margin: 0;
}

.page-news .accordion-trigger {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.55;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-news .accordion-trigger:hover,
.page-news .accordion-trigger[aria-expanded="true"] {
  color: var(--gold-bright);
}

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

.page-news .accordion-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .accordion-title {
  min-width: 0;
}

.page-news .accordion-arrow {
  justify-self: end;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  transform: rotate(45deg);
  transition: transform .26s var(--ease);
}

.page-news .accordion-trigger[aria-expanded="true"] .accordion-arrow {
  transform: rotate(225deg);
}

.page-news .accordion-panel-inner {
  padding: 0 0 22px;
}

.page-news .accordion-panel-inner p {
  max-width: 70ch;
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .accordion-panel-inner p:last-child {
  margin-bottom: 0;
}

@media (min-width: 720px) {
  .page-news .accordion-panel-inner {
    padding-left: 82px;
  }
}

/* ---------- 案例区 ---------- */

.page-news .case-mix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-news .case-mix__figure {
  margin: 0;
}

.page-news .case-mix__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .case-mix__list {
  min-width: 0;
}

.page-news .case-row {
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .case-row:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .case-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}

.page-news .case-row__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .case-row__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--jade);
}

.page-news .case-row__text {
  max-width: 62ch;
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .page-news .case-mix {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 专题区 ---------- */

.page-news .feature-banner {
  margin: 0 0 34px;
}

.page-news .feature-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 跟进区 ---------- */

.page-news .news-section--follow {
  background:
    radial-gradient(100% 70% at 12% 0%, rgba(201, 162, 74, .12), transparent 62%),
    linear-gradient(180deg, var(--indigo) 0%, var(--charcoal) 100%);
  border-top: 1px solid var(--line);
}

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

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

.page-news .follow-card:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .follow-card__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-news .follow-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.45;
  color: var(--cream);
}

.page-news .follow-card__text {
  max-width: 46ch;
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

@media (min-width: 820px) {
  .page-news .follow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 34px;
  }
  .page-news .follow-card {
    border-bottom: 1px solid var(--line-soft);
  }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 420px) {
  .page-news .news-item__media {
    max-width: 100%;
  }
  .page-news .accordion-trigger {
    grid-template-columns: 58px minmax(0, 1fr) 18px;
    gap: 10px;
    font-size: 15.5px;
  }
  .page-news .news-hero__actions .btn,
  .page-news .follow-actions .btn {
    width: 100%;
    text-align: center;
  }
}