.page-news {
  --news-gap: clamp(1.5rem, 4vw, 3rem);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-news .container {
  padding-inline: clamp(1.125rem, 4vw, 2rem);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(61, 224, 208, 0.45);
  border-radius: var(--r-sm);
}

.page-news .section {
  padding-block: clamp(2.75rem, 6vw, 4.75rem);
}

.page-news .news-head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .news-head h2 {
  margin: 0.5rem 0 0.75rem;
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  color: var(--sea);
  line-height: 1.25;
}

.page-news .news-head__sub {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-head--dark h2 {
  color: var(--paper);
}

.page-news .news-head--dark .news-head__sub {
  color: rgba(233, 226, 208, 0.78);
}

.page-news .news-head--dark .section__index {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--sea);
  color: var(--paper);
  padding-block: clamp(4.5rem, 9vw, 6.5rem) clamp(3rem, 7vw, 5rem);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(233, 226, 208, 0.06) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(233, 226, 208, 0.06) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 30% -18% -30% 42%;
  background: linear-gradient(140deg, rgba(61, 224, 208, 0.22), rgba(255, 107, 74, 0.14) 55%, transparent 78%);
  clip-path: polygon(0 32%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.page-news .news-hero__crumb {
  margin-bottom: 1.5rem;
}

.page-news .news-hero__crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: rgba(233, 226, 208, 0.6);
}

.page-news .news-hero__crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 0.5rem;
  color: rgba(233, 226, 208, 0.35);
}

.page-news .news-hero__crumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-news .news-hero__crumb a:hover {
  text-decoration: underline;
}

.page-news .news-hero .eyebrow {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news h1 {
  margin: 0 0 1.15rem;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 36rem;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(247, 244, 236, 0.82);
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.5rem;
  margin: 1.85rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--coral);
}

.page-news .news-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-news .news-hero__label {
  font-size: var(--fs-small);
  color: rgba(233, 226, 208, 0.7);
}

.page-news .news-hero__figure {
  margin: 0;
  border: 1px solid rgba(233, 226, 208, 0.22);
  border-radius: var(--r-card);
  background: var(--navy);
  overflow: hidden;
}

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

.page-news .news-hero__figure .media__caption {
  padding: 0.7rem 1rem;
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgba(233, 226, 208, 0.62);
  border-top: 1px solid rgba(233, 226, 208, 0.14);
}

/* ---------- 筛选区 ---------- */
.page-news .news-timeline {
  background: var(--paper);
}

.page-news .news-scope {
  display: grid;
  gap: 1.5rem;
  padding: 1.25rem;
  background: #ffffff;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-paper);
}

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-dark);
  background: var(--paper);
  color: var(--sea);
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-news .chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stone);
}

.page-news .chip:hover {
  background: var(--sand);
  border-color: var(--sea);
  transform: translateY(-1px);
}

.page-news .chip--nav::before { background: var(--sea); }
.page-news .chip--login::before { background: var(--cyan); }
.page-news .chip--doc::before { background: var(--coral); }
.page-news .chip--sec::before { background: var(--amber); }

.page-news .news-scope__note {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .news-scope__figure {
  margin: 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: var(--sand);
}

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

.page-news .news-scope__figure .media__caption {
  padding: 0.6rem 0.85rem;
  font-size: 0.75rem;
  color: var(--ink-soft);
  background: #ffffff;
  border-top: 1px solid var(--line-dark);
}

/* ---------- 时间线 ---------- */
.page-news .tl-group + .tl-group {
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
}

.page-news .tl-group__band {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.page-news .tl-group__band strong {
  flex: none;
  padding: 0.45rem 1rem;
  border-radius: var(--r-pill);
  background: var(--navy);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.page-news .tl-group__band::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-dark);
}

.page-news .tl__list {
  position: relative;
  display: grid;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .tl__list::before {
  content: "";
  position: absolute;
  top: 1.4rem;
  bottom: 1.4rem;
  left: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(11, 59, 92, 0.2) 100%);
}

.page-news .tl__item {
  position: relative;
  padding-left: 2.25rem;
  scroll-margin-top: 6rem;
}

.page-news .tl__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--cyan);
  box-sizing: border-box;
}

.page-news .tl-card {
  padding: 1.15rem 1.25rem 1.25rem;
  background: #ffffff;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-card);
  box-shadow: 8px 8px 0 -1px var(--sand);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .tl-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 -1px var(--sand);
  border-color: rgba(11, 59, 92, 0.28);
}

.page-news .tl-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.75rem;
  margin: 0;
}

.page-news .tl-card__meta time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-news .tl-card .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: var(--r-pill);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.page-news .tl-card .tag--nav {
  background: rgba(11, 59, 92, 0.1);
  color: var(--sea);
  border-color: rgba(11, 59, 92, 0.2);
}

.page-news .tl-card .tag--login {
  background: rgba(61, 224, 208, 0.18);
  color: #0d5c55;
  border-color: rgba(31, 157, 139, 0.3);
}

.page-news .tl-card .tag--doc {
  background: rgba(255, 107, 74, 0.14);
  color: #a83a22;
  border-color: rgba(255, 107, 74, 0.32);
}

.page-news .tl-card .tag--sec {
  background: rgba(242, 184, 75, 0.2);
  color: #7a5207;
  border-color: rgba(242, 184, 75, 0.42);
}

.page-news .tl-card__title {
  margin: 0.6rem 0 0.5rem;
  font-size: var(--fs-h3);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--sea);
}

.page-news .tl-card__summary {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .tl-card__fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0.75rem 1rem;
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line-dark);
}

.page-news .tl-card__field {
  margin: 0;
}

.page-news .tl-card__fields dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-news .tl-card__fields dd {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sea);
  line-height: 1.5;
}

.page-news .tl-card__more {
  margin-top: 0.85rem;
}

.page-news .tl-card__more summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--sea);
  list-style: none;
}

.page-news .tl-card__more summary::-webkit-details-marker {
  display: none;
}

.page-news .tl-card__more summary::before {
  content: "+";
  display: inline-block;
  width: 1.1rem;
  text-align: center;
  font-family: var(--font-mono);
  color: var(--coral);
}

.page-news .tl-card__more[open] summary::before {
  content: "−";
}

.page-news .tl-card__more p {
  margin: 0.6rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 版本与专题 ---------- */
.page-news .news-tracks {
  position: relative;
  background: var(--sea);
  color: var(--paper);
  overflow: hidden;
}

.page-news .news-tracks::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(233, 226, 208, 0.07) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-news .news-tracks .container {
  position: relative;
  z-index: 1;
}

.page-news .news-tracks__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-news .news-tracks__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-news .news-tracks__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  padding-block: 1.15rem;
  border-top: 1px solid var(--line-light);
}

.page-news .news-tracks__list li:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-news .news-tracks__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 0.2rem;
}

.page-news .news-tracks__list h3 {
  margin: 0 0 0.4rem;
  font-size: var(--fs-h3);
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-news .news-tracks__list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(233, 226, 208, 0.76);
}

.page-news .news-tracks__figure {
  margin: 0;
  border: 1px solid var(--line-light);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--navy);
}

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

.page-news .news-tracks__figure .media__caption {
  padding: 0.7rem 1rem;
  font-size: 0.75rem;
  color: rgba(233, 226, 208, 0.6);
  border-top: 1px solid var(--line-light);
}

/* ---------- 归档 ---------- */
.page-news .news-archive {
  background: var(--sand);
}

.page-news .news-archive__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-news .fold {
  background: var(--paper);
  border: 1px solid rgba(11, 59, 92, 0.14);
  border-radius: var(--r-card);
  padding: 0.9rem 1.1rem;
}

.page-news .fold + .fold {
  margin-top: 0.75rem;
}

.page-news .fold summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  color: var(--sea);
  list-style: none;
}

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

.page-news .fold__count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-news .fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--coral);
}

.page-news .fold[open] summary::after {
  content: "−";
}

.page-news .fold__quarters {
  display: grid;
  gap: 0.5rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .fold__quarters li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.3rem 1rem;
  padding: 0.55rem 0.75rem;
  background: #ffffff;
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-sm);
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.page-news .fold__quarters .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--sea);
}

.page-news .fold__split {
  font-size: 0.75rem;
  color: var(--stone);
  line-height: 1.6;
}

.page-news .news-archive__figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid rgba(11, 59, 92, 0.14);
  background: #ffffff;
}

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

.page-news .news-archive__figure .media__caption {
  padding: 0.7rem 1rem;
  font-size: 0.75rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line-dark);
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  background: var(--paper);
}

.page-news .news-next__grid {
  display: grid;
  gap: 1.25rem;
}

.page-news .news-next__card {
  display: block;
  padding: 1.5rem 1.4rem;
  background: #ffffff;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-card);
  box-shadow: 10px 10px 0 -1px var(--sand);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-next__card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 13px 13px 0 -1px var(--sand);
  border-color: rgba(255, 107, 74, 0.55);
}

.page-news .news-next__card .tag {
  display: inline-flex;
  padding: 0.25rem 0.7rem;
  border-radius: var(--r-pill);
  background: rgba(61, 224, 208, 0.16);
  color: #0d5c55;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-news .news-next__card h3 {
  margin: 0.8rem 0 0.6rem;
  font-size: var(--fs-h3);
  color: var(--sea);
  letter-spacing: -0.01em;
}

.page-news .news-next__card p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .news-next__card .link-arrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--coral);
}

.page-news .news-next__foot {
  margin: 1.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 52rem;
}

.page-news .news-next__foot a {
  color: var(--sea);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-next__foot a:hover {
  color: var(--coral);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-news .news-scope {
    grid-template-columns: 1fr 0.8fr;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem 1.75rem;
  }

  .page-news .news-archive__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

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

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-news .news-tracks__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-news .tl__list {
    gap: 2rem;
  }

  .page-news .tl__list::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-news .tl__item {
    width: calc(50% - 2.5rem);
    padding-left: 0;
  }

  .page-news .tl__item:nth-child(odd) {
    margin-right: auto;
  }

  .page-news .tl__item:nth-child(even) {
    margin-left: auto;
  }

  .page-news .tl__item:nth-child(odd)::before {
    left: auto;
    right: -2.5rem;
    transform: translate(50%, 0);
  }

  .page-news .tl__item:nth-child(even)::before {
    left: -2.5rem;
    right: auto;
    transform: translate(-50%, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-card,
  .page-news .news-next__card,
  .page-news .chip {
    transition: opacity var(--dur-fast) linear;
  }

  .page-news .tl-card:hover,
  .page-news .news-next__card:hover,
  .page-news .chip:hover {
    transform: none;
  }
}