.page-news {
  --news-hair: 1px solid var(--line-gold);
  --news-pad: clamp(18px, 3vw, 30px);
  padding-top: clamp(84px, 11vw, 124px);
  padding-bottom: clamp(48px, 8vw, 96px);
  background: var(--c-ink);
  color: var(--c-cream);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-news .container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
  box-sizing: border-box;
}

.page-news .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ===== 首屏 ===== */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 161, 70, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 161, 70, .07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 90% at 20% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 20% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 54px);
  align-items: end;
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2rem, 7.4vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--c-cream);
}

.page-news .news-hero__text {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.05vw, 1.125rem);
  line-height: 1.75;
  color: var(--c-mist);
}

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

.page-news .news-hero__version {
  position: relative;
  overflow: hidden;
  padding: var(--news-pad);
  border: var(--news-hair);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(22, 48, 42, .95) 0%, rgba(7, 19, 15, .7) 100%);
}

.page-news .news-hero__version::after {
  content: "";
  position: absolute;
  inset-inline-end: -28%;
  inset-block-start: -42%;
  width: 72%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 225, 206, .26), transparent 68%);
  pointer-events: none;
}

.page-news .news-hero__version-label {
  margin: 0;
  font-size: var(--step--1);
  letter-spacing: .18em;
  color: var(--c-mist);
}

.page-news .news-version {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(3.4rem, 15vw, 6.6rem);
  line-height: .92;
  letter-spacing: -.03em;
  font-weight: 700;
  color: var(--c-gold);
  text-shadow: 0 0 34px rgba(201, 161, 70, .28);
}

.page-news .news-hero__stats {
  position: relative;
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 14px;
  border-top: 1px solid var(--line-gold);
  padding-top: 16px;
}

.page-news .news-hero__stats dt {
  font-size: var(--step--1);
  color: var(--c-mist);
  letter-spacing: .06em;
}

.page-news .news-hero__stats dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  color: var(--c-gold-soft);
}

/* ===== 横向版本轨道 ===== */
.page-news .news-rail-section {
  margin-top: clamp(30px, 5vw, 52px);
}

.page-news .news-rail {
  position: relative;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--c-ink-2), var(--c-ink));
  border: 1px solid var(--line-mist);
  padding: 14px 6px 10px;
}

.page-news .news-rail::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-cyan), rgba(56, 225, 206, .12) 55%, transparent);
}

.page-news .news-rail__track {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 8px 10px 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-rail__track > li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-news .news-rail__node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 156px;
  padding: 20px 16px 14px;
  border: var(--news-hair);
  border-radius: var(--r-md);
  background: var(--c-ink-3);
  text-decoration: none;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-news .news-rail__node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 16px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(201, 161, 70, .13);
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-news .news-rail__node.is-current {
  border-color: var(--line-gold-strong);
}

.page-news .news-rail__node.is-current::before {
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(56, 225, 206, .18);
}

.page-news .news-rail__node:hover,
.page-news .news-rail__node:focus-visible {
  border-color: var(--c-cyan);
  transform: translateY(-3px);
  outline: none;
}

.page-news .news-rail__node:hover::before,
.page-news .news-rail__node:focus-visible::before {
  background: var(--c-cyan);
}

.page-news .news-rail__ver {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: .04em;
}

.page-news .news-rail__when {
  font-size: var(--step--1);
  color: var(--c-mist);
}

/* ===== 通用区块间距 ===== */
.page-news .news-section {
  margin-top: clamp(52px, 9vw, 104px);
}

.page-news .section-rule {
  margin-bottom: clamp(20px, 3vw, 30px);
}

/* ===== 本期摘要 ===== */
.page-news .news-brief__figure {
  width: 100%;
  aspect-ratio: 16 / 6.4;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-mist);
  margin: 0 0 clamp(22px, 4vw, 38px);
}

.page-news .news-brief__figure img,
.page-news .news-entry__figure img,
.page-news .news-topics__figure img,
.page-news .news-diff__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-brief__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

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

.page-news .news-brief__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-mist);
}

.page-news .news-brief__item:first-child {
  border-top: 1px solid var(--line-mist);
}

.page-news .news-brief__num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-gold-strong);
  color: var(--c-gold);
  font-size: var(--step--1);
  font-weight: 700;
}

.page-news .news-brief__item p {
  margin: 2px 0 0;
  font-size: clamp(1rem, 1.02vw, 1.075rem);
  line-height: 1.75;
  color: var(--c-cream);
}

.page-news .news-brief__aside {
  align-self: start;
  padding: var(--news-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-gold);
  background: linear-gradient(160deg, rgba(22, 48, 42, .82), rgba(7, 19, 15, .5));
}

.page-news .news-brief__ver {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 8vw, 3.4rem);
  line-height: 1;
  color: var(--c-gold-soft);
  letter-spacing: -.02em;
}

.page-news .news-brief__note {
  margin: 14px 0 18px;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--c-mist);
}

.page-news .news-brief__aside .tag-list {
  margin: 0;
}

/* ===== 更新日志列表 ===== */
.page-news .news-log__intro {
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 64ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--c-mist);
}

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

.page-news .news-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--line-mist);
  scroll-margin-top: 120px;
  transition: background-color .3s var(--ease);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan), transparent);
  opacity: 0;
  transition: opacity .35s var(--ease);
}

.page-news .news-entry:hover::before,
.page-news .news-entry:target::before {
  opacity: 1;
}

.page-news .news-entry:target {
  background: rgba(56, 225, 206, .05);
}

.page-news .news-entry__meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .news-entry__version {
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: .04em;
}

.page-news .news-entry__time {
  font-size: var(--step--1);
  color: var(--c-mist);
  font-family: var(--font-mono);
}

.page-news .news-entry__body .tag-list {
  margin: 0 0 8px;
}

.page-news .news-entry__title {
  margin: 0 0 8px;
  font-size: clamp(1.125rem, 2.2vw, 1.4rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  font-weight: 700;
  color: var(--c-cream);
}

.page-news .news-entry__text {
  margin: 0;
  max-width: 68ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--c-mist);
}

.page-news .news-entry__figure {
  display: none;
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-mist);
  aspect-ratio: 3 / 2;
}

.page-news .news-entry--lead .news-entry__figure {
  display: block;
}

/* ===== 专题归档 ===== */
.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 38px);
}

.page-news .news-topics__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-mist);
  aspect-ratio: 9 / 7;
}

.page-news .news-topic {
  border: var(--news-hair);
  border-radius: var(--r-md);
  background: var(--c-ink-2);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}

.page-news .news-topic + .news-topic {
  margin-top: 10px;
}

.page-news .news-topic[open] {
  border-color: var(--line-gold-strong);
}

.page-news .news-topic__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-topic__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--step-1);
  line-height: 1;
  color: var(--c-gold);
  transition: transform .3s var(--ease), color .3s var(--ease);
}

.page-news .news-topic[open] .news-topic__summary::after {
  content: "−";
  color: var(--c-cyan);
}

.page-news .news-topic__summary:hover::after {
  color: var(--c-cyan);
}

.page-news .news-topic__num {
  font-size: var(--step--1);
  color: var(--c-gold-soft);
  letter-spacing: .06em;
}

.page-news .news-topic__name {
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--c-cream);
}

.page-news .news-topic__meta {
  font-size: var(--step--1);
  color: var(--c-mist);
}

.page-news .news-topic__items {
  margin: 0;
  padding: 4px 16px 18px 46px;
  color: var(--c-mist);
  font-size: var(--step--1);
  line-height: 1.8;
}

.page-news .news-topic__items li + li {
  margin-top: 4px;
}

/* ===== 上一版对照 ===== */
.page-news .news-diff__intro {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 72ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--c-mist);
}

.page-news .news-diff__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 36px);
}

.page-news .news-diff__panel {
  border-radius: var(--r-lg);
  padding: clamp(14px, 2.6vw, 22px);
  overflow-x: auto;
}

.page-news .news-diff__table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.page-news .news-diff__table th,
.page-news .news-diff__table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(26, 21, 18, .14);
  font-size: var(--step--1);
}

.page-news .news-diff__table thead th {
  font-weight: 600;
  letter-spacing: .04em;
  color: rgba(26, 21, 18, .7);
  border-bottom: 1px solid rgba(26, 21, 18, .34);
  white-space: nowrap;
}

.page-news .news-diff__table tbody th {
  font-weight: 700;
  color: var(--c-brown);
}

.page-news .news-diff__table td {
  font-family: var(--font-mono);
  color: rgba(26, 21, 18, .84);
}

.page-news .news-diff__table tbody tr:last-child th,
.page-news .news-diff__table tbody tr:last-child td {
  border-bottom: none;
}

.page-news .news-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  vertical-align: middle;
}

.page-news .news-dot--add { background: #0F8F83; }
.page-news .news-dot--edit { background: #A8802A; }
.page-news .news-dot--archive { background: #C4681F; }

.page-news .news-diff__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-mist);
  aspect-ratio: 25 / 16;
}

.page-news .news-diff__foot {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 72ch;
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--c-mist);
}

.page-news .news-diff__foot a {
  color: var(--c-gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .25s var(--ease);
}

.page-news .news-diff__foot a:hover,
.page-news .news-diff__foot a:focus-visible {
  color: var(--c-cyan);
}

/* ===== 回访与跟进 ===== */
.page-news .news-follow__list {
  border-top: 1px solid var(--line-gold);
}

.page-news .news-follow__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-bottom: 1px solid var(--line-mist);
}

.page-news .news-follow__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-gold-strong);
  color: var(--c-gold);
  font-size: var(--step--1);
}

.page-news .news-follow__title {
  margin: 0 0 8px;
  font-size: clamp(1.125rem, 2.1vw, 1.35rem);
  line-height: 1.35;
  font-weight: 700;
  color: var(--c-cream);
}

.page-news .news-follow__text {
  margin: 0;
  max-width: 68ch;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--c-mist);
}

.page-news .news-follow__text a {
  color: var(--c-gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .25s var(--ease);
}

.page-news .news-follow__text a:hover,
.page-news .news-follow__text a:focus-visible {
  color: var(--c-cyan);
}

/* ===== 桌面端 ===== */
@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
  }

  .page-news .news-brief__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, .75fr);
  }

  .page-news .news-topics__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-news .news-diff__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-news .news-follow__row {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-news .news-entry {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-news .news-entry__meta {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
}

@media (min-width: 1180px) {
  .page-news .news-entry--lead {
    grid-template-columns: 132px minmax(0, 1fr) minmax(0, 322px);
    column-gap: clamp(20px, 3vw, 40px);
    align-items: center;
  }

  .page-news .news-entry--lead .news-entry__figure {
    aspect-ratio: 3 / 2;
  }
}

@media (max-width: 600px) {
  .page-news .news-topic__summary {
    grid-template-columns: auto minmax(0, 1fr) auto;
    row-gap: 4px;
  }

  .page-news .news-topic__meta {
    grid-column: 2 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail__node,
  .page-news .news-entry::before,
  .page-news .news-topic__summary::after {
    transition: none;
  }

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