.page-news {
  --tag-preview: #A48CFF;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(31, 42, 54, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31, 42, 54, 0.42) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-news .page-rim {
  width: min(100% - calc(var(--gutter) * 2), var(--max));
  margin-inline: auto;
}

.page-news .breadcrumbs {
  padding-top: 20px;
  font-size: 12px;
}

.page-news .breadcrumbs__link {
  color: var(--muted);
}

.page-news .breadcrumbs__current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: clamp(26px, 4vw, 52px) clamp(30px, 4.5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-news .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 14px;
}

.page-news .display-title {
  margin: 0 0 20px;
  font-family: var(--sans);
  font-size: clamp(38px, 8vw, 92px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .display-title em {
  font-style: normal;
  color: var(--lime);
}

.page-news .lede {
  margin: 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--paper);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  margin: clamp(24px, 4vw, 40px) 0 0;
  border-top: 1px solid var(--line);
}

.page-news .hero-stats__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .hero-stats__num {
  font-family: var(--mono);
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--lime);
  letter-spacing: -0.01em;
}

.page-news .hero-stats__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 栏目索引条 ---------- */
.page-news .strip-band {
  background: var(--panel);
  border-block: 1px solid var(--line);
}

.page-news .strip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .strip-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-news .strip-link {
  position: relative;
  display: grid;
  gap: 3px;
  min-width: 168px;
  padding: 14px 22px 14px 0;
  margin-right: 22px;
  border-right: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
}

.page-news .strip-item:last-child .strip-link {
  border-right: 0;
  margin-right: 0;
}

.page-news .strip-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--lime);
  transition: width 0.18s ease;
}

.page-news .strip-link:hover::after,
.page-news .strip-link:focus-visible::after {
  width: 30px;
}

.page-news .strip-id {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-news .strip-name {
  font-size: 15px;
  font-weight: 700;
}

.page-news .strip-time {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 置顶专题 ---------- */
.page-news .feature-band {
  background: var(--wine);
  clip-path: polygon(0 32px, 100% 0, 100% 100%, 0 100%);
  padding-block: calc(32px + clamp(38px, 5.5vw, 76px)) clamp(40px, 6vw, 76px);
}

.page-news .index-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-news .feature-title {
  margin: 0 0 16px;
  max-width: 20em;
  font-size: clamp(26px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .feature-copy {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.75;
  color: rgba(232, 237, 242, 0.86);
}

.page-news .feature-tags {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-news .feature-tags li {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  color: var(--paper);
  border: 1px solid rgba(232, 237, 242, 0.32);
}

.page-news .feature-progress {
  margin: 28px 0 24px;
  max-width: 580px;
}

.page-news .p-track {
  display: block;
  height: 6px;
  background: rgba(232, 237, 242, 0.18);
  overflow: hidden;
}

.page-news .p-fill {
  display: block;
  height: 100%;
  width: 77.8%;
  background: var(--lime);
}

.page-news .p-note {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(232, 237, 242, 0.74);
}

/* ---------- 头条战报 ---------- */
.page-news .lead-story {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-block: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-news .lead-title {
  margin: 12px 0 12px;
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .body-copy {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 237, 242, 0.82);
}

.page-news .lead-meta {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- 图片容器 ---------- */
.page-news .image-frame {
  margin: 0;
}

.page-news .image-frame__img,
.page-news .image-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .image-frame__caption {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 章节头 ---------- */
.page-news .news-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-head h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-head .index-label {
  margin: 0;
  color: var(--lime);
}

/* ---------- 条目流 ---------- */
.page-news .stream {
  padding-top: clamp(30px, 4.5vw, 56px);
}

.page-news .stream-group {
  margin-top: clamp(30px, 4vw, 48px);
  scroll-margin-top: 80px;
}

.page-news .group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 10px;
}

.page-news .group-id {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .group-name {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--paper);
}

.page-news .group-note {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

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

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

.page-news .entry-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 14px 10px 14px 8px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.18s ease;
}

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

.page-news .entry-summary::marker {
  content: "";
}

.page-news .entry-summary:hover,
.page-news .entry-summary:focus-visible {
  background: var(--panel);
}

.page-news .entry-title {
  flex: 1 1 300px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
}

.page-news .entry-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.page-news .entry-time {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .entry-body {
  padding: 0 12px 18px 8px;
}

.page-news .entry-body p {
  margin: 0;
  max-width: 40em;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .entry[open] .entry-summary {
  background: var(--panel);
}

.page-news .entry[open] .entry-summary .entry-title {
  color: var(--lime);
}

.page-news .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-news .tag--report {
  color: var(--lime);
}

.page-news .tag--review {
  color: var(--cyan);
}

.page-news .tag--log {
  color: var(--muted);
}

.page-news .tag--community {
  color: var(--orange);
}

.page-news .tag--preview {
  color: var(--tag-preview);
}

.page-news .log-figure {
  max-width: 620px;
  margin-top: 18px;
}

/* ---------- 内容生产方式 ---------- */
.page-news .process {
  padding-top: clamp(36px, 5vw, 68px);
}

.page-news .process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 22px;
}

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

.page-news .step-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .step-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .step-id {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 5px;
}

.page-news .step-list h3 {
  grid-column: 2;
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .step-list p {
  grid-column: 2;
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .process-foot {
  margin: 24px 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .link-arrow {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.42);
}

.page-news .link-arrow:hover,
.page-news .link-arrow:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 订阅提醒 ---------- */
.page-news .subscribe-band {
  margin-top: clamp(36px, 5vw, 72px);
  padding-block: clamp(40px, 6vw, 80px) calc(clamp(40px, 6vw, 80px) + 24px);
  background: var(--indigo);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 26px));
}

.page-news .sub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-news .sub-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .sub-copy > p {
  margin: 0 0 16px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 237, 242, 0.84);
}

.page-news .sub-rules {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-news .sub-rules li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 237, 242, 0.74);
}

.page-news .sub-rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-news .sub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(232, 237, 242, 0.2);
}

.page-news .sub-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 13px 2px;
  border-bottom: 1px solid rgba(232, 237, 242, 0.2);
}

.page-news .sub-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .sub-freq {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: rgba(232, 237, 242, 0.66);
}

/* ---------- 投稿 ---------- */
.page-news .contribute {
  padding-top: clamp(38px, 5vw, 72px);
}

.page-news .contribute-figure {
  max-width: 760px;
  margin-bottom: 24px;
}

.page-news .contribute-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 22px;
}

.page-news .contribute-block {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-news .contribute-block h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .contribute-block p {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .hero-stats__item {
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px 16px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-news .hero-stats__item + .hero-stats__item {
    padding-left: 22px;
  }

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

  .page-news .contribute-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px 32px;
  }
}

@media (min-width: 900px) {
  .page-news .lead-story {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
    gap: 34px;
  }

  .page-news .sub-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .process-grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 44px;
    align-items: start;
  }

  .page-news .entry-summary {
    padding: 15px 12px 15px 8px;
  }
}

@media (min-width: 1180px) {
  .page-news .strip-list {
    overflow-x: visible;
  }

  .page-news .strip-item {
    flex: 1 1 0;
  }

  .page-news .strip-link {
    min-width: 0;
    margin-right: 0;
    padding-right: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry-summary,
  .page-news .strip-link::after {
    transition: none;
  }
}