.page-news {
  --news-line: rgba(46, 242, 200, 0.16);
  --news-soft: rgba(243, 248, 245, 0.06);
  --news-pad: clamp(20px, 5vw, 56px);
  background: var(--ink);
  color: var(--bone);
}

.page-news .breadcrumb {
  padding-block: 20px 0;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(142, 165, 163, 0.45);
}

.page-news .breadcrumb-item a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-news .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-news h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 3.6vw, 22px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-news h4 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
}

.page-news p {
  margin: 0 0 12px;
  line-height: 1.7;
  color: rgba(243, 248, 245, 0.82);
}

.page-news .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: clamp(24px, 5vw, 48px) 0;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-hero__copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8.4vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.03em;
}

.page-news .news-hero__copy .lede {
  max-width: 56ch;
  font-size: 16px;
  color: rgba(243, 248, 245, 0.86);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-hero__stamp {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-news .news-hero__figure {
  margin: 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--news-line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-news .news-preview {
  display: grid;
  gap: 1px;
  margin: clamp(28px, 5vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-line);
  background: var(--news-line);
}

.page-news .news-preview__item a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  padding: 16px 2px;
  background: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-preview__item a:hover,
.page-news .news-preview__item a:focus-visible {
  background: var(--panel);
  transform: translateY(-2px);
}

.page-news .news-preview__num {
  grid-row: span 2;
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.1em;
}

.page-news .news-preview__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--bone);
}

.page-news .news-preview__hint {
  font-size: 12px;
  color: var(--steel);
}

/* ---------- 动态列表 ---------- */
.page-news .news-stream {
  background: var(--ink);
  border-top: 1px solid var(--news-line);
}

.page-news .news-stream__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .news-stream__intro {
  font-size: 15px;
  color: rgba(243, 248, 245, 0.74);
}

.page-news .news-stream__layout {
  display: grid;
  gap: 28px;
}

.page-news .news-filter {
  border: 1px solid var(--news-line);
  background: var(--panel);
  padding: 20px;
}

.page-news .news-filter__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-news .news-filter__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-news .news-filter__list li + li {
  border-top: 1px solid rgba(243, 248, 245, 0.08);
}

.page-news .news-filter__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 2px;
  font-size: 14px;
  color: var(--bone);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 10px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-filter__list a .mono {
  font-size: 11px;
  color: var(--steel);
}

.page-news .news-filter__list a em {
  margin-left: auto;
  font-style: normal;
  font-size: 11px;
  color: var(--steel);
}

.page-news .news-filter__list a:hover,
.page-news .news-filter__list a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(46, 242, 200, 0.06);
}

.page-news .news-filter__list a:hover .mono,
.page-news .news-filter__list a:focus-visible .mono {
  color: var(--orange);
}

.page-news .news-filter__note {
  font-size: 13px;
  color: var(--steel);
  padding-top: 14px;
  border-top: 1px solid rgba(243, 248, 245, 0.08);
}

.page-news .news-feed {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  min-width: 0;
}

.page-news .news-group {
  scroll-margin-top: calc(var(--head-h) + 16px);
}

.page-news .news-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-group__head h3 {
  margin: 0;
  font-size: clamp(16px, 3.4vw, 20px);
}

.page-news .news-item {
  padding: 18px 0 18px 16px;
  border-left: 1px solid rgba(243, 248, 245, 0.14);
  position: relative;
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 26px;
  width: 5px;
  height: 5px;
  background: var(--steel);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-item:hover {
  border-left-color: var(--cyan);
}

.page-news .news-item:hover::before {
  background: var(--cyan);
  transform: scale(1.4);
}

.page-news .news-item__time {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-news .news-item h4 {
  color: var(--bone);
}

.page-news .news-item p {
  font-size: 14px;
}

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

.page-news .news-item__link a {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 200, 0.4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

/* ---------- 周期专题 ---------- */
.page-news .news-cycle {
  background: linear-gradient(160deg, var(--teal) 0%, #042A2A 60%, var(--ink) 100%);
  border-block: 1px solid var(--news-line);
}

.page-news .news-cycle__head {
  max-width: 66ch;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-news .news-cycle__intro {
  font-size: 15px;
  color: rgba(243, 248, 245, 0.82);
}

.page-news .news-cycle__figure {
  margin: 0 0 clamp(22px, 4vw, 36px);
  aspect-ratio: 14 / 6;
  border: 1px solid var(--news-line);
  overflow: hidden;
  background: rgba(7, 10, 11, 0.5);
}

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

.page-news .news-cycle__timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid rgba(46, 242, 200, 0.35);
}

.page-news .cycle-node {
  position: relative;
}

.page-news .cycle-node details {
  border-bottom: 1px solid rgba(243, 248, 245, 0.12);
}

.page-news .cycle-node summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px 12px;
  padding: 16px 4px 16px 18px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-news .cycle-node summary:hover,
.page-news .cycle-node summary:focus-visible {
  background: rgba(46, 242, 200, 0.07);
}

.page-news .cycle-node__dot {
  position: absolute;
  left: -4px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-news .cycle-node__when {
  grid-column: 2;
  grid-row: 1;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .cycle-node__title {
  grid-column: 2;
  grid-row: 2;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--bone);
}

.page-news .cycle-node summary::after {
  content: "+";
  grid-column: 3;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-news .cycle-node details[open] summary::after {
  content: "\2212";
  color: var(--orange);
}

.page-news .cycle-node__body {
  padding: 4px 4px 20px 18px;
}

.page-news .cycle-node__body p {
  font-size: 14px;
  color: rgba(243, 248, 245, 0.8);
}

.page-news .news-cycle__foot {
  margin-top: clamp(24px, 4vw, 36px);
  padding: 22px;
  border: 1px solid var(--news-line);
  background: rgba(7, 10, 11, 0.45);
}

.page-news .news-cycle__foot p {
  font-size: 14px;
}

.page-news .news-cycle__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

/* ---------- 版本日志 ---------- */
.page-news .news-log {
  background: var(--ink);
}

.page-news .news-log__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-log__intro {
  font-size: 15px;
  max-width: 54ch;
  color: rgba(243, 248, 245, 0.74);
}

.page-news .news-log__list {
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .log-entry {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-top: 1px solid rgba(243, 248, 245, 0.12);
}

.page-news .log-entry:last-child {
  border-bottom: 1px solid rgba(243, 248, 245, 0.12);
}

.page-news .log-entry__ver {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--purple);
}

.page-news .log-entry__state {
  display: inline-block;
  margin: 0 0 10px;
}

.page-news .log-entry__body h3 {
  font-size: clamp(16px, 3.2vw, 19px);
}

.page-news .log-entry__body p {
  font-size: 14px;
  margin: 0;
}

.page-news .news-log__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--news-line);
  background: var(--panel);
  overflow: hidden;
}

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

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  background: linear-gradient(200deg, var(--indigo) 0%, #150E30 55%, var(--ink) 100%);
  border-block: 1px solid var(--news-line);
}

.page-news .news-rhythm__intro {
  max-width: 62ch;
  font-size: 15px;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-news .news-rhythm__cards {
  display: grid;
  gap: 14px;
}

.page-news .rhythm-card {
  padding: 22px;
  background: rgba(7, 10, 11, 0.55);
  border: 1px solid rgba(243, 248, 245, 0.12);
  border-top: 2px solid var(--purple);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .rhythm-card:hover {
  transform: translateY(-2px);
  border-color: rgba(46, 242, 200, 0.5);
}

.page-news .rhythm-card--quarter {
  border-top-color: var(--cyan);
}

.page-news .rhythm-card--weekly {
  border-top-color: var(--orange);
}

.page-news .rhythm-card__scale {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .rhythm-card--weekly .rhythm-card__scale {
  color: var(--orange);
}

.page-news .rhythm-card h3 {
  font-size: clamp(17px, 3.4vw, 20px);
}

.page-news .rhythm-card p {
  font-size: 14px;
}

.page-news .rhythm-card__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(243, 248, 245, 0.1);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-news .news-rhythm__figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
  aspect-ratio: 2 / 1;
  border: 1px solid var(--news-line);
  overflow: hidden;
  background: rgba(7, 10, 11, 0.5);
}

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

.page-news .news-rhythm__facts {
  display: grid;
  gap: 12px;
  margin: clamp(20px, 4vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-rhythm__facts li {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: rgba(243, 248, 245, 0.82);
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(243, 248, 245, 0.1);
}

.page-news .news-rhythm__facts .mono {
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 提醒与归档 ---------- */
.page-news .news-archive {
  background: var(--panel);
}

.page-news .news-archive__head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-news .news-archive__intro {
  font-size: 15px;
  color: rgba(243, 248, 245, 0.74);
}

.page-news .news-archive__cards {
  display: grid;
  gap: 14px;
}

.page-news .archive-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px;
  background: var(--ink);
  border: 1px solid rgba(243, 248, 245, 0.12);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .archive-card:hover {
  border-color: rgba(46, 242, 200, 0.45);
  transform: translateY(-2px);
}

.page-news .archive-card__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .archive-card h3 {
  font-size: 17px;
}

.page-news .archive-card p {
  font-size: 14px;
  flex: 1 1 auto;
}

.page-news .archive-card .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-news .news-archive__strip {
  margin-top: clamp(22px, 4vw, 34px);
  padding: 22px;
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--cyan);
  background: rgba(46, 242, 200, 0.05);
}

.page-news .news-archive__strip p {
  font-size: 14px;
  margin: 0;
}

.page-news .news-archive__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-preview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-preview__item a {
    padding: 18px 14px;
  }

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

  .page-news .news-rhythm__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-rhythm__facts li {
    grid-template-columns: 1fr;
    gap: 6px;
    border-bottom: 0;
    border-left: 1px solid rgba(243, 248, 245, 0.14);
    padding: 0 0 0 14px;
  }

  .page-news .log-entry {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

  .page-news .log-entry__ver {
    font-size: 24px;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
  }

  .page-news .news-hero__figure {
    aspect-ratio: 16 / 10;
  }

  .page-news .news-preview {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-news .news-stream__layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-filter {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-news .news-cycle__timeline {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-left: 0;
    column-gap: 32px;
  }

  .page-news .cycle-node {
    border-top: 1px solid rgba(46, 242, 200, 0.35);
    padding-top: 6px;
  }

  .page-news .cycle-node__dot {
    left: 0;
    top: -4px;
  }

  .page-news .cycle-node details {
    border-bottom: 0;
  }

  .page-news .news-log__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-log__figure {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-news .news-rhythm__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-archive__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-archive__strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-news .news-archive__actions {
    margin-top: 0;
    flex: 0 0 auto;
  }
}