.page-news {
  --news-line: rgba(42, 33, 28, .14);
  --news-gap: clamp(1rem, 2.4vw, 1.75rem);
  background: var(--paper);
  color: var(--ink);
}

/* ===== 首屏 ===== */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding: clamp(2.25rem, 6vw, 4.75rem) 0 clamp(2rem, 5vw, 3.5rem);
}
.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .45;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(100deg, rgba(42, 33, 28, .94) 0%, rgba(42, 33, 28, .76) 48%, rgba(42, 33, 28, .40) 100%),
    repeating-linear-gradient(90deg, transparent 0 96px, rgba(217, 199, 163, .10) 96px 97px);
}
.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0 0 clamp(1.25rem, 3.5vw, 2rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: rgba(246, 240, 228, .58);
}
.page-news .breadcrumb__list li {
  display: flex;
  align-items: center;
  gap: .4rem;
}
.page-news .breadcrumb__list li + li::before {
  content: "/";
  color: rgba(217, 199, 163, .45);
}
.page-news .breadcrumb__list a {
  color: inherit;
  text-decoration: none;
}
.page-news .breadcrumb__list a:hover {
  color: var(--ember);
}
.page-news .breadcrumb__current {
  color: var(--sand);
}

.page-news .news-hero__eyebrow {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--ochre);
}
.page-news .news-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--paper);
  text-wrap: balance;
}
.page-news .news-hero__lead {
  margin: clamp(1rem, 2.5vw, 1.6rem) 0 0;
  max-width: 56ch;
  font-size: clamp(.98rem, 2.1vw, 1.12rem);
  line-height: 1.85;
  color: rgba(246, 240, 228, .8);
}
.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem 2rem;
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  padding-top: 1.1rem;
  border-top: 1px solid rgba(217, 199, 163, .26);
}
.page-news .news-hero__stat {
  font-size: .78rem;
  line-height: 1.55;
  color: rgba(246, 240, 228, .62);
}
.page-news .news-hero__stat b {
  display: block;
  margin-bottom: .1rem;
  font-family: var(--font-mono);
  font-size: .94rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--sand);
}

/* ===== 通用区块 ===== */
.page-news .news-section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}
.page-news .news-section--paper {
  background: var(--paper-deep);
}

/* ===== 分类索引 ===== */
.page-news .news-chips {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: 0;
  list-style: none;
}
.page-news .news-chip {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  height: 100%;
  padding: 1rem 1.05rem 1.1rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--sand);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  transform: translateY(-3px);
  border-color: var(--ember);
  background: #fff;
}
.page-news .news-chip__label {
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.35;
}
.page-news .news-chip__label::before {
  content: "";
  display: inline-block;
  width: .5rem;
  height: .5rem;
  margin-right: .5rem;
  vertical-align: .05em;
  background: var(--badge, var(--cinnabar));
}
.page-news .news-chip__count {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--azurite);
}
.page-news .news-chip__note {
  font-size: .8rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.page-news .news-chip--catalog { --badge: var(--cinnabar); }
.page-news .news-chip--page { --badge: var(--azurite); }
.page-news .news-chip--material { --badge: var(--ochre); }
.page-news .news-chip--service { --badge: var(--pine); }
.page-news .news-chip--archive { --badge: var(--ember); }

/* ===== 查看方式 ===== */
.page-news .news-modes {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: .5rem;
  background: var(--paper);
  border: 1px solid var(--sand);
  border-left: 3px solid var(--cinnabar);
}
.page-news .news-mode {
  padding: .38rem .8rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.page-news .news-mode:hover,
.page-news .news-mode:focus-visible {
  color: var(--cinnabar);
  border-color: rgba(181, 65, 47, .35);
}
.page-news .news-mode.is-on {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

/* ===== 时间线 ===== */
.page-news .news-timeline {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}
.page-news .news-timeline__figure {
  margin: 0 0 1rem;
  overflow: hidden;
  border: 1px solid var(--sand);
  background: var(--pine);
}
.page-news .news-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-timeline__hint {
  margin: 0;
  padding: .75rem .85rem;
  font-size: .8rem;
  line-height: 1.72;
  color: var(--ink-soft);
  background: rgba(246, 240, 228, .72);
  border-left: 2px solid var(--ochre);
}

.page-news .news-timeline__list {
  position: relative;
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .news-timeline__list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 14px;
  width: 2px;
  border-radius: 1px;
  background: linear-gradient(180deg, var(--cinnabar), var(--ochre) 46%, var(--azurite));
}

.page-news .news-item {
  position: relative;
  padding-left: 1.7rem;
}
.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 22px;
  z-index: 2;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper-deep);
  box-shadow: inset 0 0 0 3px var(--badge, var(--cinnabar));
}
.page-news .news-item--catalog { --badge: var(--cinnabar); }
.page-news .news-item--page { --badge: var(--azurite); }
.page-news .news-item--material { --badge: var(--ochre); }
.page-news .news-item--service { --badge: var(--pine); }
.page-news .news-item--archive { --badge: var(--ember); }

.page-news .news-item__card {
  position: relative;
  padding: 1.05rem 1.05rem 1.2rem;
  background: var(--paper);
  border: 1px solid var(--sand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.page-news .news-item:hover .news-item__card {
  transform: translateY(-2px);
  border-color: var(--ember);
}
.page-news .news-item__card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--badge, var(--cinnabar));
}
.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .7rem;
  margin-bottom: .6rem;
}
.page-news .news-item__ver {
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  padding: .1rem .42rem;
  border: 1px solid var(--sand);
}
.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .06em;
  color: var(--ochre);
}
.page-news .news-item__title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.02rem, 2.6vw, 1.28rem);
  line-height: 1.42;
  color: var(--ink);
}
.page-news .news-item__scope {
  margin: 0 0 .55rem;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--azurite);
}
.page-news .news-item__summary {
  margin: 0;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-news .news-item__fold {
  margin-top: .8rem;
  font-size: .84rem;
}
.page-news .news-item__fold .fold__body p {
  margin: .5rem 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ===== 对照阅读 ===== */
.page-news .news-compare__intro {
  max-width: 62ch;
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  font-size: .96rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.page-news .news-compare__grid {
  display: grid;
  gap: var(--news-gap);
}
.page-news .news-compare__figure {
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}
.page-news .news-compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-compare__cols {
  display: grid;
  gap: var(--news-gap);
}
.page-news .news-compare__col {
  padding: 1.25rem 1.15rem;
  background: var(--paper-deep);
  border-top: 3px solid var(--cinnabar);
}
.page-news .news-compare__col--page {
  border-top-color: var(--azurite);
}
.page-news .news-compare__tag {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--cinnabar);
}
.page-news .news-compare__col--page .news-compare__tag {
  color: var(--azurite);
}
.page-news .news-compare__col h3 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2.6vw, 1.32rem);
  line-height: 1.36;
  color: var(--ink);
}
.page-news .news-compare__col p {
  margin: 0 0 .8rem;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ink-soft);
}
.page-news .news-compare__col ul {
  margin: 0;
  padding-left: 1.05rem;
  font-size: .84rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.page-news .news-compare__col li::marker {
  color: var(--azurite);
}
.page-news .news-compare__more {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--ink-soft);
}
.page-news .news-compare__more a {
  color: var(--azurite);
  text-underline-offset: .2em;
}
.page-news .news-compare__more a:hover {
  color: var(--cinnabar);
}

/* ===== 专题归档 ===== */
.page-news .news-archive__grid {
  display: grid;
  gap: var(--news-gap);
}
.page-news .news-archive__figure {
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}
.page-news .news-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-archive__figure figcaption {
  padding: .6rem .85rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--sand);
  background: var(--pine);
}
.page-news .news-archive__list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .news-archive__list > li {
  display: flex;
  gap: .9rem;
  padding: .95rem 1rem;
  background: var(--paper);
  border-left: 3px solid var(--ochre);
}
.page-news .news-archive__idx {
  flex: none;
  padding-top: .12rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--ochre);
}
.page-news .news-archive__list h3 {
  margin: 0 0 .28rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
}
.page-news .news-archive__list p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ===== 引用与咨询 ===== */
.page-news .news-reading__grid {
  display: grid;
  gap: var(--news-gap);
}
.page-news .news-reading__card {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: var(--paper-deep);
  border: 1px solid var(--sand);
}
.page-news .news-reading__card h3 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.06rem, 2.5vw, 1.26rem);
  line-height: 1.38;
  color: var(--ink);
}
.page-news .news-reading__card p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.82;
  color: var(--ink-soft);
}
.page-news .news-reading__card--alt {
  background: var(--pine);
  border-color: var(--pine);
}
.page-news .news-reading__card--alt h3 {
  color: var(--paper);
}
.page-news .news-reading__card--alt p {
  color: rgba(246, 240, 228, .78);
}
.page-news .news-reading__list {
  display: grid;
  gap: .5rem;
  margin: .9rem 0 0;
  padding: 0;
  list-style: none;
  font-size: .85rem;
  line-height: 1.75;
  color: var(--ink-soft);
}
.page-news .news-reading__list span {
  display: inline-block;
  min-width: 3.2rem;
  margin-right: .5rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--azurite);
}
.page-news .news-reading__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.15rem;
}
.page-news .news-backtop {
  display: flex;
  justify-content: center;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-news .news-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .news-compare__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-reading__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-timeline {
    grid-template-columns: minmax(0, 290px) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .news-timeline__side {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }
}

@media (min-width: 1000px) {
  .page-news .news-chips {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-news .news-compare__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-news .news-archive__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-news .news-hero h1 {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .news-item__card,
  .page-news .news-mode {
    transition: none;
  }
  .page-news .news-chip:hover,
  .page-news .news-item:hover .news-item__card {
    transform: none;
  }
}
<<<END>>>