.page-news {
  background: var(--ink);
  color: var(--cream);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: clamp(18px, 3vw, 30px) 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--graphite);
}

.page-news .breadcrumbs__item {
  color: inherit;
  text-decoration: none;
}

.page-news .breadcrumbs a.breadcrumbs__item {
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .breadcrumbs a.breadcrumbs__item:hover,
.page-news .breadcrumbs a.breadcrumbs__item:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  margin-top: clamp(14px, 2.4vw, 24px);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 62%;
  filter: saturate(.82) contrast(1.06);
}

.page-news .news-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 18, 15, .5) 0%, rgba(6, 18, 15, .86) 58%, var(--ink) 100%),
    linear-gradient(96deg, rgba(6, 18, 15, .94) 0%, rgba(6, 18, 15, .42) 72%, rgba(6, 18, 15, .2) 100%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(56px, 11vw, 132px) clamp(40px, 7vw, 84px);
}

.page-news .eyebrow {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-hero__title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

.page-news .news-hero__title .display__lead {
  font-size: clamp(30px, 6.6vw, 74px);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-news .news-hero__title .display__bold {
  font-size: clamp(34px, 7.8vw, 92px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-news .news-hero__lede {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--cream);
  opacity: .86;
}

.page-news .news-hero__pulse {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: clamp(28px, 4.4vw, 52px);
}

.page-news .news-hero__pulse-bar {
  flex: 0 0 auto;
  width: clamp(40px, 9vw, 96px);
  height: 1px;
  background: var(--cyan);
}

.page-news .news-hero__pulse-text {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */

.page-news .section {
  padding-block: clamp(40px, 6.4vw, 84px);
  border-top: 1px solid var(--line-soft);
}

.page-news .section__head {
  display: grid;
  grid-template-columns: minmax(28px, max-content) minmax(0, 1fr);
  gap: clamp(10px, 2vw, 28px);
  align-items: baseline;
}

.page-news .section__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .32em;
  color: var(--cyan);
  padding-top: .35em;
}

.page-news .section__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.005em;
  color: var(--cream);
}

.page-news .section__lead {
  max-width: 64ch;
  margin: clamp(10px, 1.6vw, 16px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 01 阶段四格 ---------- */

.page-news .stage-row {
  list-style: none;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-news .stage-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-news .stage-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .stage-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 210px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--board);
  transition: background var(--dur) var(--ease);
}

.page-news .stage-card:nth-child(1) {
  background: linear-gradient(158deg, var(--board), var(--turf));
}

.page-news .stage-card:nth-child(2) {
  background: linear-gradient(158deg, var(--turf), var(--board));
}

.page-news .stage-card:nth-child(3) {
  background: linear-gradient(202deg, var(--board-lift), var(--board));
}

.page-news .stage-card:nth-child(4) {
  background: linear-gradient(202deg, var(--turf), var(--board-lift));
}

.page-news .stage-card:hover {
  background: var(--board-lift);
}

.page-news .stage-card__idx {
  font-family: var(--mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-news .stage-card__name {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-news .stage-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .stage-card__when {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--graphite);
}

/* ---------- 02 列表与筛选 ---------- */

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .filter-bar .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .chip {
  appearance: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .chip:hover {
  border-color: var(--line-strong);
  color: var(--cream);
}

.page-news .chip[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--cream);
  background: var(--cyan-wash);
}

.page-news .filter-reset {
  appearance: none;
  margin-left: auto;
  padding: 4px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--graphite);
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .filter-reset:hover,
.page-news .filter-reset:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .exhibit-list {
  list-style: none;
  margin: clamp(8px, 1.4vw, 16px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .exhibit {
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-news .exhibit:hover {
  border-color: var(--line-strong);
}

.page-news .exhibit.is-filtered-out {
  display: none;
}

.page-news .exhibit__row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 22px;
  grid-template-areas:
    "idx title plus"
    "meta meta meta";
  gap: 10px 16px;
  align-items: start;
  padding: clamp(16px, 2vw, 22px) 0;
  list-style: none;
  cursor: pointer;
  transition: transform var(--dur) var(--ease);
}

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

.page-news .exhibit__row::marker {
  content: "";
}

.page-news .exhibit:hover .exhibit__row {
  transform: translateX(4px);
}

.page-news .exhibit__idx {
  grid-area: idx;
  font-family: var(--mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
  color: var(--cyan);
  padding-top: .28em;
}

.page-news .exhibit__main {
  grid-area: title;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .exhibit__title {
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
}

.page-news .exhibit__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .exhibit__meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: center;
}

.page-news .exhibit__meta .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--graphite);
  white-space: nowrap;
}

.page-news .exhibit__meta .tag--accent {
  border-color: var(--line-strong);
  color: var(--cyan);
}

.page-news .exhibit__plus {
  grid-area: plus;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: .35em;
  transition: transform var(--dur) var(--ease);
}

.page-news .exhibit__plus::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--graphite);
}

.page-news .exhibit__plus::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--graphite);
}

.page-news .exhibit__row:hover .exhibit__plus::before,
.page-news .exhibit__row:hover .exhibit__plus::after {
  background: var(--cyan);
}

.page-news .exhibit__panel[open] .exhibit__plus {
  transform: rotate(45deg);
}

.page-news .exhibit__detail {
  padding: 0 0 clamp(16px, 2.2vw, 24px);
}

.page-news .exhibit__detail p {
  margin: 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-news .exhibit__row {
    grid-template-columns: 52px minmax(0, 1fr) auto 26px;
    grid-template-areas: "idx title meta plus";
    align-items: center;
    gap: 24px;
  }

  .page-news .exhibit__idx {
    padding-top: 0;
  }

  .page-news .exhibit__meta {
    align-self: center;
  }

  .page-news .exhibit__plus {
    margin-top: 0;
  }

  .page-news .exhibit__detail {
    padding-left: 76px;
    padding-right: 60px;
  }
}

.page-news .news-more {
  margin: clamp(24px, 3.2vw, 38px) 0 0;
}

/* ---------- 03 / 05 / 07 分栏 ---------- */

.page-news .news-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.2vw, 40px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .news-split__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-split__media {
  margin: 0;
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--board);
}

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

.page-news .news-split__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(180deg, rgba(6, 18, 15, 0) 0%, rgba(6, 18, 15, .82) 100%);
  pointer-events: none;
}

.page-news .news-split__media .media__label {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 1;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .news-split__media--tall {
  aspect-ratio: 4 / 5;
}

@media (min-width: 900px) {
  .page-news .news-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .news-split--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-split--reverse .news-split__media {
    order: 2;
  }

  .page-news .news-split--reverse .news-split__body {
    order: 1;
  }
}

/* ---------- 03 说明条目 ---------- */

.page-news .note-list {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .note-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .note-list__k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .note-list__v {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 620px) {
  .page-news .note-list li {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* ---------- 04 版本记录 ---------- */

.page-news .version-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .version {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-news .version:hover {
  border-color: var(--line-strong);
}

.page-news .version__tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--flame);
}

.page-news .version__title {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
}

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

@media (min-width: 820px) {
  .page-news .version {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

/* ---------- 05 案例笔记 ---------- */

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

.page-news .case-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .case-item__no {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: .3em;
}

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

.page-news .case-item__title {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
}

.page-news .case-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 06 栏目卡片 ---------- */

.page-news .grid--3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 760px) {
  .page-news .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--board);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

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

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

.page-news .card__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--cream);
}

.page-news .card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .note-line {
  max-width: 74ch;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 07 行动入口 ---------- */

.page-news .news-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

@media (max-width: 480px) {
  .page-news .news-actions .btn {
    width: 100%;
    text-align: center;
  }
}

/* ---------- 动效收敛 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news .exhibit:hover .exhibit__row,
  .page-news .card:hover {
    transform: none;
  }
}