.page-news {
  background: var(--ink);
  color: var(--smoke);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
}

@media (min-width: 1024px) {
  .page-news {
    font-size: 17px;
  }
}

/* ---------- 面包屑条 ---------- */
.page-news .news-crumb {
  background: var(--ink);
  border-bottom: 1px solid var(--line-soft);
  padding-block: 13px;
}

/* ---------- 刊头横幅 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.page-news .news-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.34;
  filter: grayscale(0.55) contrast(1.05);
}

.page-news .news-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(96deg, var(--ink) 16%, rgba(14, 20, 24, 0.82) 56%, rgba(14, 20, 24, 0.28) 100%),
    repeating-linear-gradient(90deg, rgba(201, 210, 214, 0.07) 0 1px, transparent 1px 92px);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(44px, 8vw, 92px) var(--gutter) clamp(38px, 6vw, 72px);
}

.page-news .news-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-news .news-hero__title {
  max-width: 17em;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-hero__lede {
  max-width: 60ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--smoke);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__meta-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-hero__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-news .news-hero__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--teal);
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news .news-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(34px, 5vw, 62px);
  min-width: 0;
}

/* ---------- 左侧分类索引 ---------- */
.page-news .news-index {
  min-width: 0;
}

.page-news .news-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
}

.page-news .news-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  background: var(--graphite);
  color: var(--smoke);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  border-color: var(--teal);
  color: var(--paper);
  outline: none;
}

.page-news .news-index__back {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .news-index__back:hover,
.page-news .news-index__back:focus-visible {
  border-bottom-color: var(--teal);
  color: var(--paper);
  outline: none;
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 68px);
  }

  .page-news .news-index {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-news .news-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-index__list li + li {
    margin-top: 2px;
  }

  .page-news .news-index__link {
    border: 0;
    border-left: 1px solid var(--line);
    background: none;
    padding: 9px 0 9px 14px;
    white-space: normal;
    font-size: 14px;
  }

  .page-news .news-index__link:hover,
  .page-news .news-index__link:focus-visible {
    border-left-color: var(--teal);
  }
}

/* ---------- 区块标题 ---------- */
.page-news .section-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: clamp(16px, 2.6vw, 26px);
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
}

.page-news .section-head__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.page-news .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.9vw, 2.1rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 本期焦点 ---------- */
.page-news .focus-card {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line-strong);
  background: var(--graphite);
  overflow: hidden;
  transition: border-color 0.35s var(--ease);
}

.page-news .focus-card:hover {
  border-color: var(--teal);
}

.page-news .focus-card__media {
  position: relative;
  min-height: 190px;
  overflow: hidden;
}

.page-news .focus-card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
  filter: grayscale(0.35) contrast(1.06);
}

.page-news .focus-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(20px, 3.2vw, 34px);
}

.page-news .focus-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 1.72rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .focus-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--smoke);
}

.page-news .focus-card__links {
  width: 100%;
  margin: 2px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-news .focus-link {
  position: relative;
  display: inline-block;
  font-size: 14px;
  color: var(--teal);
  text-decoration: none;
  padding-left: 16px;
  transition: color 0.3s var(--ease);
}

.page-news .focus-link::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--bronze);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .focus-link::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: -1px;
  width: calc(100% - 16px);
  height: 1px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.page-news .focus-link:hover,
.page-news .focus-link:focus-visible {
  color: var(--paper);
  outline: none;
}

.page-news .focus-link:hover::before,
.page-news .focus-link:focus-visible::before {
  transform: translateX(3px);
  color: var(--coral);
}

.page-news .focus-link:hover::after,
.page-news .focus-link:focus-visible::after {
  transform: scaleX(1);
}

@media (min-width: 768px) {
  .page-news .focus-card {
    grid-template-columns: 40% minmax(0, 1fr);
  }

  .page-news .focus-card__media {
    min-height: 100%;
  }
}

/* ---------- 版本记录 ---------- */
.page-news .versions-figure {
  border: 1px solid var(--line);
  background: var(--graphite);
  overflow: hidden;
  margin-bottom: 16px;
}

.page-news .versions-figure img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.85;
  filter: grayscale(0.3);
}

.page-news .versions-note {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .version-track {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 4px 2px 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--bronze) transparent;
}

.page-news .version-node {
  position: relative;
  flex: 0 0 min(258px, 76vw);
  scroll-snap-align: start;
  padding: 16px 16px 18px;
  background: var(--graphite);
  border: 1px solid var(--line);
  border-top: 2px solid var(--bronze);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .version-node:hover {
  border-color: var(--teal);
  border-top-color: var(--teal);
  transform: translateY(-2px);
}

.page-news .version-node__ver {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-news .version-node__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--paper);
}

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

/* ---------- 四个固定栏目（纸面阅读区） ---------- */
.page-news .news-columns {
  background: var(--paper);
  color: var(--graphite);
  border: 1px solid rgba(14, 20, 24, 0.14);
  padding: clamp(22px, 3.6vw, 40px);
}

.page-news .news-columns .section-head {
  border-top-color: rgba(14, 20, 24, 0.26);
}

.page-news .news-columns .section-head__eyebrow {
  color: var(--deep-teal);
}

.page-news .news-columns .section-head__title {
  color: var(--ink);
}

.page-news .column-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(14, 20, 24, 0.16);
}

.page-news .column-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 0 20px;
  border-bottom: 1px solid rgba(14, 20, 24, 0.16);
}

.page-news .column-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--bronze);
}

.page-news .column-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.14rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .column-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .column-card__count {
  align-self: flex-start;
  margin-top: 4px;
  padding: 2px 8px;
  border: 1px solid rgba(15, 94, 90, 0.4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--deep-teal);
}

@media (min-width: 640px) {
  .page-news .column-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }
}

@media (min-width: 1200px) {
  .page-news .column-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 22px;
  }
}

/* ---------- 近期条目 ---------- */
.page-news .entry-list {
  border-top: 1px solid var(--line);
}

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

.page-news .entry__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
  align-items: baseline;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-news .entry__head .tag {
  grid-column: 1;
  grid-row: 2;
  justify-self: start;
}

.page-news .entry__title {
  grid-column: 1 / -1;
  grid-row: 1;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1rem, 1.9vw, 1.2rem);
  line-height: 1.55;
  color: var(--paper);
  background-image: linear-gradient(var(--teal), var(--teal));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.4s var(--ease), color 0.3s var(--ease);
}

.page-news .entry__meta {
  grid-column: 2;
  grid-row: 2;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .entry:hover .entry__title,
.page-news .entry:focus-within .entry__title,
.page-news .entry[open] .entry__title {
  background-size: 100% 1px;
}

.page-news .entry:hover .entry__title {
  color: var(--paper);
}

.page-news .entry__body {
  margin: 0 0 18px;
  padding: 12px 0 0;
  max-width: 68ch;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.85;
  color: var(--smoke);
}

@media (min-width: 768px) {
  .page-news .entry__head {
    grid-template-columns: 108px minmax(0, 1fr) auto;
    gap: 0 16px;
    padding: 17px 0;
  }

  .page-news .entry__head .tag {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .entry__title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .entry__meta {
    grid-column: 3;
    grid-row: 1;
  }
}

/* ---------- 专题合集 ---------- */
.page-news .collections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid var(--line);
  background: var(--graphite);
}

.page-news .collections__media {
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-news .collections__media img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.86;
  filter: grayscale(0.4);
}

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

.page-news .collections__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .collections__item:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-news .collections__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .collections__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--bronze);
  white-space: nowrap;
}

.page-news .collections__text {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--smoke);
}

@media (min-width: 768px) {
  .page-news .collections {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-news .collections__media {
    position: sticky;
    top: 104px;
  }
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(118deg, rgba(15, 94, 90, 0.46), rgba(14, 20, 24, 0.94) 62%);
}

.page-news .news-next::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 74px;
  height: 2px;
  background: var(--coral);
}

.page-news .news-next__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-news .news-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-next__text {
  max-width: 56ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--smoke);
}

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

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .focus-card,
  .page-news .focus-link,
  .page-news .focus-link::before,
  .page-news .focus-link::after,
  .page-news .news-index__link,
  .page-news .news-index__back,
  .page-news .version-node,
  .page-news .entry__title {
    transition: none;
  }

  .page-news .version-node:hover {
    transform: none;
  }

  .page-news .focus-link:hover::before,
  .page-news .focus-link:focus-visible::before {
    transform: none;
  }
}