.page-news {
  background: var(--paper);
  color: var(--char);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-news .news-crumb {
  padding: clamp(14px, 3vw, 24px) 0 0;
}

.page-news .news-crumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-news .news-crumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--gold);
}

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

.page-news .news-crumb__list a:hover {
  color: var(--ochre);
}

/* 首屏 */
.page-news .news-head {
  position: relative;
  overflow: hidden;
  margin-top: clamp(14px, 3vw, 26px);
  background: var(--navy);
  color: var(--paper);
  padding: clamp(30px, 6vw, 68px) 0 clamp(34px, 7vw, 76px);
}

.page-news .news-head::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--ochre) 0 52%, var(--gold) 52% 78%, var(--copper) 78% 100%);
}

.page-news .news-head__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 5vw, 40px);
}

.page-news .news-head__eyebrow {
  color: var(--gold-lite);
}

.page-news .news-head h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 8vw, 66px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .news-head__lede {
  margin: clamp(16px, 3vw, 24px) 0 0;
  max-width: 46ch;
  font-size: clamp(14px, 2.6vw, 17px);
  line-height: 1.9;
  color: rgba(243, 235, 221, 0.8);
}

.page-news .news-head__pills {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 11px;
  border: 1px solid var(--hairline-light);
  color: var(--gold-lite);
  white-space: nowrap;
}

.page-news .news-head__cta {
  margin-top: clamp(22px, 4vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--ochre);
  color: var(--paper);
  border: 1px solid var(--ochre);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .news-btn:hover {
  background: var(--ochre-deep);
  border-color: var(--ochre-deep);
}

.page-news .news-btn--ghost {
  background: transparent;
  border-color: var(--hairline-light);
  color: var(--paper);
}

.page-news .news-btn--ghost:hover {
  background: rgba(243, 235, 221, 0.08);
  border-color: var(--gold);
  color: var(--gold-lite);
}

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

.page-news .news-head__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(243, 235, 221, 0.24);
}

.page-news .news-head__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(243, 235, 221, 0.62);
}

/* 页内索引条 */
.page-news .news-jump {
  background: var(--paper-2);
  border-bottom: 1px solid var(--hairline);
}

.page-news .news-jump__list {
  list-style: none;
  margin: 0;
  padding: 14px 0;
  display: flex;
  gap: clamp(16px, 4vw, 34px);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-jump__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-jump__link {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--char);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .news-jump__link:hover {
  color: var(--ochre);
  border-bottom-color: var(--gold);
}

/* 通用章节 */
.page-news .news-section {
  padding: clamp(38px, 7vw, 86px) 0 0;
}

.page-news .news-section:last-of-type {
  padding-bottom: clamp(42px, 7vw, 92px);
}

.page-news .news-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 4vw, 34px);
  padding-bottom: clamp(14px, 2.5vw, 20px);
  border-bottom: 1px solid var(--hairline);
}

.page-news .news-sec-head h2 {
  margin: 0;
}

.page-news .news-sec-note {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

/* 头条与时间线 */
.page-news .news-leadgrid {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
}

.page-news .news-feature {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, var(--ochre) 0%, var(--ochre-deep) 100%);
  color: var(--paper);
  padding: clamp(24px, 4.6vw, 44px);
}

.page-news .news-feature::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 210px;
  height: 210px;
  background: var(--gold);
  opacity: 0.16;
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.page-news .news-feature__meta {
  position: relative;
  z-index: 1;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold-lite);
}

.page-news .news-feature h3 {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(21px, 4.4vw, 31px);
  line-height: 1.34;
  color: var(--paper);
}

.page-news .news-feature p {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 235, 221, 0.88);
}

.page-news .news-feature__link {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-top: 22px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-lite);
  transition: color 0.25s var(--ease);
}

.page-news .news-feature__link:hover {
  color: var(--gold-lite);
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 20px;
  border-left: 1px solid var(--hairline);
}

.page-news .news-timeline li {
  position: relative;
  padding-bottom: 22px;
}

.page-news .news-timeline li:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--paper);
}

.page-news .news-timeline__date {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ochre);
}

.page-news .news-timeline h3 {
  margin: 5px 0 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .news-timeline p {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--stone);
}

/* 专题栏目 */
.page-news .news-topics {
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-news .news-topic {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--paper);
  padding: clamp(20px, 3vw, 28px);
  transition: background 0.3s var(--ease);
}

.page-news .news-topic:hover {
  background: var(--paper-2);
}

.page-news .news-topic__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .news-topic h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .news-topic p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--stone);
}

.page-news .news-topic__link {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ochre);
  text-decoration: none;
}

.page-news .news-topic__link:hover {
  color: var(--ochre-deep);
  text-decoration: underline;
}

/* 索引更新记录 */
.page-news .news-logwrap {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

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

.page-news .news-log__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  transition: background 0.25s var(--ease), padding 0.25s var(--ease);
}

.page-news .news-log__item:last-child {
  border-bottom: 1px solid var(--hairline);
}

.page-news .news-log__item:hover {
  background: var(--paper-2);
  padding-left: 10px;
  padding-right: 10px;
}

.page-news .news-log__date {
  margin: 0;
  padding-left: 9px;
  border-left: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ochre);
}

.page-news .news-log__title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
}

.page-news .news-log__tag {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-news .news-log__sum {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .news-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

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

.page-news .news-aside__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hairline);
}

.page-news .news-aside__cap {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--stone);
}

.page-news .news-aside__card {
  border: 1px solid var(--hairline);
  background: var(--paper-2);
  padding: 18px;
}

.page-news .news-aside__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
}

.page-news .news-aside__card p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--char);
}

.page-news .news-aside__links {
  display: grid;
  gap: 9px;
}

.page-news .news-aside__links a {
  padding-bottom: 7px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ochre);
  text-decoration: none;
}

.page-news .news-aside__links a:hover {
  color: var(--ochre-deep);
}

/* 版本与规则观察 */
.page-news .news-versions {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

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

.page-news .news-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hairline);
}

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

.page-news .news-years li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--hairline);
}

.page-news .news-years li:last-child {
  border-bottom: 1px solid var(--hairline);
}

.page-news .news-years__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .news-years h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .news-years p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--stone);
}

/* 编辑推荐 */
.page-news .news-picks__figure {
  margin: 0 0 clamp(20px, 4vw, 32px);
}

.page-news .news-picks__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hairline);
}

.page-news .news-picks__grid {
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-news .news-pick {
  display: block;
  background: var(--paper);
  padding: clamp(18px, 3vw, 26px);
  color: inherit;
  text-decoration: none;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .news-pick:hover {
  background: var(--navy);
  color: var(--paper);
}

.page-news .news-pick__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .news-pick h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .news-pick p {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
  transition: color 0.3s var(--ease);
}

.page-news .news-pick:hover p {
  color: rgba(243, 235, 221, 0.78);
}

.page-news .news-pick:hover .news-pick__no {
  color: var(--gold-lite);
}

@media (min-width: 640px) {
  .page-news .news-log__item {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-news .news-years li {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 680px) {
  .page-news .news-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .news-picks__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-head::before {
    left: auto;
    right: 0;
    top: 0;
    bottom: 0;
    width: 42%;
    height: auto;
    background: linear-gradient(168deg, var(--ochre) 0%, var(--ochre-deep) 74%);
    clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-news .news-head__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-news .news-leadgrid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .news-logwrap {
    grid-template-columns: minmax(0, 1fr) 296px;
    align-items: start;
  }

  .page-news .news-aside {
    position: sticky;
    top: 96px;
  }

  .page-news .news-versions {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }
}

@media (min-width: 1020px) {
  .page-news .news-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-btn,
  .page-news .news-log__item,
  .page-news .news-topic,
  .page-news .news-pick,
  .page-news .news-pick p,
  .page-news .news-jump__link {
    transition: none;
  }
}
<<<END>>>