.page-news {
  --news-cut: 14px;
  --news-index-w: 152px;
  --news-side-w: 220px;
  padding-top: 6px;
  overflow-x: clip;
}

.page-news .breadcrumb {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray);
  padding-top: 20px;
}

.page-news .breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--brass);
}

.page-news .breadcrumb a:hover {
  color: var(--ink-mid);
}

/* ---------- 首屏 ---------- */
.page-news .news-mast {
  position: relative;
  padding-top: 26px;
  padding-bottom: 10px;
  border-top: 1px solid var(--ink);
}

.page-news .news-mast::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 96px;
  height: 6px;
  background: linear-gradient(90deg, var(--brass) 0%, var(--brass-lt) 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-news .news-mast h1 {
  margin: 16px 0 0;
  font-family: var(--serif);
  font-size: clamp(52px, 15vw, 104px);
  font-weight: 300;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .news-mast__lede {
  margin-top: 22px;
  max-width: 62ch;
  color: var(--black);
}

.page-news .news-mast__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink);
}

.page-news .news-mast__fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-news .news-mast__val {
  font-family: var(--mono);
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
  line-height: 1;
}

.page-news .news-mast__key {
  font-family: var(--sans-cond);
  font-size: 13px;
  color: var(--gray);
}

/* ---------- 三栏工作台 ---------- */
.page-news .news-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 44px;
}

/* 左侧目录 */
.page-news .news-index {
  padding-left: 18px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--brass) 0,
    var(--brass) 1px,
    transparent 1px,
    transparent 15px
  );
  background-size: 1px 100%;
  background-position: left top;
  background-repeat: no-repeat;
}

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

.page-news .news-index__list,
.page-news .news-index__scale {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-news .news-index__list li + li {
  margin-top: 8px;
}

.page-news .news-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--sans-cond);
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  padding: 3px 0;
  border-bottom: 1px solid transparent;
}

.page-news .news-index__list a:hover {
  border-bottom-color: var(--brass);
  color: var(--ink-mid);
}

.page-news .news-index__list .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brass);
}

.page-news .news-index__scale li {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gray);
  padding: 5px 0 5px 0;
  border-bottom: 1px dotted var(--rule-strong);
}

/* 中栏 */
.page-news .news-flow {
  min-width: 0;
}

.page-news .lead-story {
  display: grid;
  gap: 20px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--rule-strong);
}

.page-news .lead-story__media {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  aspect-ratio: 3 / 2;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

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

.page-news .lead-story__flag {
  display: inline-block;
  margin: 0;
  padding: 5px 20px 5px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--brass-lt);
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-news .lead-story h2 {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-size: clamp(28px, 7vw, 44px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-news .lead-story__body > p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--black);
}

.page-news .lead-story__points {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-news .lead-story__points li {
  position: relative;
  padding: 12px 0 12px 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--black);
  border-bottom: 1px solid var(--rule);
}

.page-news .lead-story__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--brass);
  transform: rotate(45deg);
}

.page-news .lead-story__points .num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink);
}

.page-news .lead-story__link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--sans-cond);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--brass);
  padding-bottom: 3px;
}

.page-news .lead-story__link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* 条目流 */
.page-news .news-stream {
  padding-top: 44px;
}

.page-news .news-stream h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(24px, 5.4vw, 32px);
  font-weight: 600;
  line-height: 1.22;
  color: var(--ink);
}

.page-news .news-stream__head .lede {
  margin-top: 14px;
  max-width: 60ch;
}

.page-news .news-stream__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-news .digest-filter {
  appearance: none;
  border: 1px solid var(--rule-strong);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 8px 16px 8px 13px;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .digest-filter:hover {
  border-color: var(--ink);
}

.page-news .digest-filter[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--brass-lt);
}

.page-news .digest-filter:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-news .digest-list {
  margin-top: 30px;
  border-top: 2px solid var(--ink);
}

.page-news .digest {
  border-bottom: 1px solid var(--rule);
  padding: 18px 0 16px;
}

.page-news .digest__sum {
  display: block;
  cursor: pointer;
  list-style: none;
}

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

.page-news .digest__sum:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 4px;
}

.page-news .digest__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .digest__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 4px 12px 4px 8px;
  color: var(--paper);
  background: var(--ink-mid);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 100%, 0 100%);
}

.page-news .digest[data-tag="规则版本"] .digest__tag {
  background: var(--brass);
  color: var(--ink-deep);
}

.page-news .digest[data-tag="区域动态"] .digest__tag {
  background: var(--ink);
  color: var(--brass-lt);
}

.page-news .digest[data-tag="方案手记"] .digest__tag {
  background: var(--cinnabar);
  color: var(--paper);
}

.page-news .digest__when {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-news .digest__more {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--brass);
}

.page-news .digest__more::before {
  content: "+";
}

.page-news .digest[open] .digest__more::before {
  content: "\2013";
}

.page-news .digest__title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(19px, 4.4vw, 23px);
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: -0.008em;
  color: var(--ink);
  transition: color 180ms var(--ease);
}

.page-news .digest__sum:hover .digest__title {
  color: var(--ink-mid);
}

.page-news .digest__brief {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-news .digest__body {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--brass);
}

.page-news .digest__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--black);
}

/* 右侧旁注 */
.page-news .news-side {
  display: grid;
  gap: 24px;
  align-content: start;
  min-width: 0;
}

.page-news .news-side__note p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .news-side__label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--brass);
}

.page-news .news-side__note a {
  font-family: var(--sans-cond);
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--brass);
}

.page-news .news-side__note a:hover {
  color: var(--cinnabar);
}

.page-news .news-side__links {
  border-top: 1px solid var(--rule-strong);
  padding-top: 16px;
}

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

.page-news .news-side__links li + li {
  margin-top: 8px;
}

.page-news .news-side__links a {
  font-family: var(--sans-cond);
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 2px;
}

.page-news .news-side__links a:hover {
  border-bottom-color: var(--brass);
  color: var(--ink-mid);
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  padding: 64px 0 4px;
}

.page-news .news-topics h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(26px, 5.8vw, 38px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}

.page-news .news-topics__head .lede {
  margin-top: 14px;
  max-width: 58ch;
}

.page-news .news-topics__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(84vw, 360px);
  gap: 18px;
  margin-top: 30px;
  padding-bottom: 18px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--brass) var(--paper-2);
}

.page-news .news-topics__rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-topics__rail::-webkit-scrollbar-thumb {
  background: var(--brass);
}

.page-news .topic-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-top: 3px solid var(--ink);
  padding: 20px 20px 22px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-news .topic-card:nth-child(2) {
  border-top-color: var(--brass);
}

.page-news .topic-card:nth-child(3) {
  border-top-color: var(--cinnabar);
}

.page-news .topic-card__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-news .topic-card h3 {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.page-news .topic-card__issue {
  margin: 10px 0 0;
  font-family: var(--sans-cond);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-mid);
  padding-bottom: 10px;
  border-bottom: 1px dotted var(--rule-strong);
}

.page-news .topic-card__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--black);
  flex: 1 1 auto;
}

.page-news .topic-card__media {
  aspect-ratio: 14 / 9;
  overflow: hidden;
  background: var(--ink-deep);
  margin-bottom: 16px;
}

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

.page-news .topic-card__link {
  margin-top: 14px;
  font-family: var(--sans-cond);
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--brass);
  align-self: flex-start;
}

.page-news .topic-card__link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 版本记录 ---------- */
.page-news .news-versions {
  margin-top: 60px;
  padding: 56px 0 64px;
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-news .news-versions .eyebrow {
  color: var(--brass-lt);
}

.page-news .news-versions h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(26px, 5.8vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--paper);
}

.page-news .news-versions__lede {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--paper-2);
}

.page-news .news-versions__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 36px;
}

.page-news .news-versions__media {
  aspect-ratio: 7 / 4;
  overflow: hidden;
  background: var(--ink-deep);
  border: 1px solid var(--rule-invert);
}

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

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

.page-news .version-item {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--rule-invert);
  margin-left: 5px;
}

.page-news .version-item:last-child {
  padding-bottom: 0;
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--brass);
  transform: rotate(45deg);
}

.page-news .version-item--current::before {
  background: var(--cinnabar);
}

.page-news .version-item__no {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--brass-lt);
}

.page-news .version-item--current .version-item__no {
  color: var(--brass-lt);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--cinnabar);
}

.page-news .version-item__body h3 {
  margin: 6px 0 0;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .version-item__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-2);
}

/* ---------- 订阅与回看 ---------- */
.page-news .news-subscribe {
  background: var(--paper-2);
  padding: 52px 0 58px;
}

.page-news .news-subscribe__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-news .news-subscribe h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(25px, 5.4vw, 36px);
  font-weight: 600;
  line-height: 1.22;
  color: var(--ink);
}

.page-news .news-subscribe__body p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--black);
  max-width: 58ch;
}

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

.page-news .news-subscribe__note {
  align-self: start;
}

.page-news .news-subscribe__label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--brass);
}

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

.page-news .news-subscribe__note li {
  padding: 8px 0 8px 16px;
  position: relative;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
  border-bottom: 1px dotted var(--rule-strong);
}

.page-news .news-subscribe__note li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  background: var(--brass);
}

.page-news .news-subscribe__hint {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-mast__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-mast__fact {
    border-bottom: 0;
    border-right: 1px solid var(--rule);
    padding-right: 16px;
  }

  .page-news .news-mast__fact:last-child {
    border-right: 0;
  }

  .page-news .news-subscribe__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 44px;
  }
}

@media (min-width: 760px) {
  .page-news .digest__sum {
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr);
    column-gap: 22px;
    align-items: start;
  }

  .page-news .digest__meta {
    grid-column: 1;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0;
    gap: 6px;
  }

  .page-news .digest__more {
    margin-left: 0;
  }

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

  .page-news .digest__brief {
    grid-column: 2;
    grid-row: 2;
    margin-top: 6px;
  }

  .page-news .digest__body {
    margin-left: 170px;
  }

  .page-news .news-topics__rail {
    grid-auto-columns: min(52vw, 380px);
  }
}

@media (min-width: 900px) {
  .page-news .news-versions__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .news-desk {
    grid-template-columns: var(--news-index-w) minmax(0, 1fr) var(--news-side-w);
    gap: 44px;
    align-items: start;
    margin-top: 56px;
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--masthead-h) + 26px);
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--masthead-h) + 26px);
  }

  .page-news .news-mast {
    padding-top: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .digest-filter,
  .page-news .digest__title {
    transition: none;
  }
}