.page-news {
  background: var(--ink);
  color: var(--snow);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(56px, 8vw, 100px);
}

.page-news .breadcrumb {
  padding: 26px 0 0;
}

/* 首屏框景 */
.page-news .news-hero {
  padding: 20px 0 0;
}

.page-news .news-hero__frame {
  position: relative;
  padding: clamp(26px, 5vw, 58px) clamp(20px, 5vw, 56px) clamp(28px, 5vw, 54px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-organic);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(163, 22, 33, 0.34) 0%, rgba(7, 11, 18, 0) 58%),
    radial-gradient(95% 95% at 0% 100%, rgba(55, 200, 195, 0.16) 0%, rgba(7, 11, 18, 0) 62%),
    var(--ink);
  overflow: hidden;
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(66px, 15vw, 156px);
  height: clamp(66px, 15vw, 156px);
  background: var(--red);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-news .news-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-news .news-hero__title {
  margin: 0 0 20px;
  max-width: 12ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 84px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-news .news-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-hero__meta-num {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--snow);
}

/* 章节骨架 */
.page-news .news-section {
  padding: clamp(52px, 7vw, 88px) 0 0;
}

.page-news .news-section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  row-gap: 6px;
  padding-top: 18px;
  margin-bottom: 28px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-section__head .section-index {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
}

.page-news .news-section__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-news .news-section__note {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 图片框景 */
.page-news .media-frame {
  display: block;
  margin: 0;
}

.page-news .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-soft);
}

.page-news .media-frame--wide {
  margin-bottom: 26px;
}

/* 置顶条目 */
.page-news .pinned-grid {
  display: grid;
  gap: 16px;
}

.page-news .pinned-card {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--panel);
  border-radius: var(--radius-soft);
  border-top: 2px solid var(--cyan);
  transition: transform 220ms ease, border-color 220ms ease;
}

.page-news .pinned-card--red {
  border-top-color: var(--red-bright);
}

.page-news .pinned-card--gold {
  border-top-color: var(--gold);
}

.page-news .pinned-card:hover {
  transform: translateX(4px);
}

.page-news .pinned-card__no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  font-family: var(--font-data);
  font-size: 17px;
  background: var(--cyan);
  color: var(--ink);
  border-radius: 14px 14px 14px 3px;
}

.page-news .pinned-card--red .pinned-card__no {
  background: var(--red);
  color: var(--snow);
}

.page-news .pinned-card--gold .pinned-card__no {
  background: var(--gold);
  color: var(--ink);
}

.page-news .pinned-card__tag {
  display: block;
  width: fit-content;
  margin-bottom: 10px;
  padding: 3px 12px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
}

.page-news .pinned-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.45;
}

.page-news .pinned-card__body {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.78);
}

.page-news .pinned-card__meta {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* 分类胶囊 */
.page-news .feed-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 26px;
}

.page-news .feed-filter__chip {
  display: inline-block;
  padding: 8px 18px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.page-news .feed-filter__chip:hover,
.page-news .feed-filter__chip:focus-visible {
  color: var(--snow);
  border-color: var(--cyan);
  background: rgba(55, 200, 195, 0.1);
  transform: translateX(4px);
}

.page-news .feed-filter__chip--all {
  color: var(--snow);
  background: var(--red);
  border-color: var(--red);
}

/* 更新列表 */
.page-news .feed-group {
  margin-top: 36px;
  scroll-margin-top: 130px;
}

.page-news .feed-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 0 0 12px 14px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan);
}

.page-news .feed-group--red .feed-group__head {
  border-left-color: var(--red-bright);
}

.page-news .feed-group--gold .feed-group__head {
  border-left-color: var(--gold);
}

.page-news .feed-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.01em;
}

.page-news .feed-group__count {
  font-family: var(--font-data);
  font-size: 12.5px;
  color: var(--mist);
}

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

.page-news .feed-item {
  margin-left: 14px;
  padding-left: 16px;
  border-left: 2px solid rgba(55, 200, 195, 0.45);
}

.page-news .feed-group--red .feed-item {
  border-left-color: rgba(228, 87, 46, 0.45);
}

.page-news .feed-group--gold .feed-item {
  border-left-color: rgba(227, 181, 5, 0.45);
}

.page-news .feed-item__summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-news .feed-item__summary::marker {
  content: "";
}

.page-news .feed-item__time {
  grid-column: 1 / -1;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .feed-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--snow);
  transition: color 180ms ease;
}

.page-news .feed-item__more {
  align-self: center;
  justify-self: end;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .feed-item__more::after {
  content: "展开摘要";
}

.page-news .feed-item[open] .feed-item__more::after {
  content: "收起摘要";
}

.page-news .feed-item__summary:hover .feed-item__title,
.page-news .feed-item__summary:focus-visible .feed-item__title {
  color: var(--red-bright);
}

.page-news .feed-item__body {
  padding: 4px 0 20px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .feed-item__body p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.78);
}

/* 回访推荐 */
.page-news .picks-layout {
  display: grid;
  gap: 26px;
}

.page-news .picks-figure {
  margin: 0;
  border-bottom: 3px solid var(--gold);
  border-radius: var(--radius-soft);
}

.page-news .picks-lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

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

.page-news .picks-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .picks-item__no {
  padding-top: 3px;
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--gold);
}

.page-news .picks-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
}

.page-news .picks-item__text {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.76);
}

/* 选题系列 */
.page-news .series-layout {
  display: grid;
  gap: 26px;
}

.page-news .series-grid {
  display: grid;
  gap: 14px;
}

.page-news .series-card {
  padding: 20px;
  background: var(--panel);
  border-radius: var(--radius-soft);
  border-left: 3px solid var(--cyan);
}

.page-news .series-card:nth-child(2) {
  border-left-color: var(--red-bright);
}

.page-news .series-card:nth-child(3) {
  border-left-color: var(--gold);
}

.page-news .series-card:nth-child(4) {
  border-left-color: var(--mist);
}

.page-news .series-card__freq {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .series-card:nth-child(2) .series-card__freq {
  color: var(--red-bright);
}

.page-news .series-card:nth-child(3) .series-card__freq {
  color: var(--gold);
}

.page-news .series-card:nth-child(4) .series-card__freq {
  color: var(--mist);
}

.page-news .series-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
}

.page-news .series-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.76);
}

.page-news .series-figure {
  margin: 0;
}

/* 更新节奏 */
.page-news .rhythm-layout {
  display: grid;
  gap: 30px;
}

.page-news .rhythm__track {
  position: relative;
  height: 118px;
  border-bottom: 2px solid rgba(55, 200, 195, 0.5);
}

.page-news .rhythm__track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30px;
  background-image: repeating-linear-gradient(90deg, rgba(140, 147, 163, 0.3) 0 1px, transparent 1px 30px);
}

.page-news .rhythm__mark {
  position: absolute;
  bottom: 0;
  width: 2px;
  height: 72px;
  background: linear-gradient(to top, var(--gold), rgba(227, 181, 5, 0));
  outline: none;
}

.page-news .rhythm__mark--a {
  left: 12%;
}

.page-news .rhythm__mark--b {
  left: 40%;
}

.page-news .rhythm__mark--c {
  left: 67%;
}

.page-news .rhythm__mark--d {
  left: 90%;
}

.page-news .rhythm__dot {
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(227, 181, 5, 0.16);
}

.page-news .rhythm__tip {
  display: none;
  position: absolute;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 220px;
  padding: 8px 12px;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--gold);
  border-radius: 8px 8px 8px 2px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.page-news .rhythm__mark:hover .rhythm__tip,
.page-news .rhythm__mark:focus-visible .rhythm__tip {
  opacity: 1;
}

.page-news .rhythm__legend {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-news .rhythm__legend li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.78);
}

.page-news .rhythm__legend strong {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gold);
  white-space: nowrap;
}

.page-news .rhythm__next {
  margin: 26px 0 0;
  padding: 18px 20px;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
  background: var(--panel);
  border-left: 3px solid var(--red);
  border-radius: var(--radius-soft);
}

.page-news .rhythm-figure {
  margin: 0;
}

/* 收尾入口 */
.page-news .follow-panel {
  position: relative;
  padding: clamp(26px, 5vw, 52px);
  border-radius: var(--radius-organic);
  border: 1px solid var(--line-soft);
  background: linear-gradient(118deg, rgba(163, 22, 33, 0.95) 0%, rgba(112, 16, 26, 0.92) 44%, rgba(14, 21, 36, 0.96) 100%);
  overflow: hidden;
}

.page-news .follow-panel .section-index {
  margin: 0 0 14px;
  color: var(--snow);
  opacity: 0.72;
}

.page-news .follow-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .follow-text {
  margin: 0 0 26px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.88);
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .follow-note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.72);
}

.page-news .follow-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 180ms ease;
}

.page-news .follow-link:hover,
.page-news .follow-link:focus-visible {
  color: var(--gold);
}

/* 平板与桌面 */
@media (min-width: 660px) {
  .page-news .rhythm__legend {
    grid-template-columns: 1fr 1fr;
    gap: 0 28px;
  }

  .page-news .series-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 780px) {
  .page-news .pinned-grid {
    grid-template-columns: 1.15fr 1fr 0.95fr;
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-news .feed-item__summary {
    grid-template-columns: 150px 1fr auto;
    align-items: baseline;
    gap: 14px;
  }

  .page-news .feed-item__time {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-news .picks-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 40px;
  }

  .page-news .rhythm-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: 40px;
  }

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

  .page-news .rhythm__mark--a .rhythm__tip {
    left: 0;
    transform: none;
  }

  .page-news .rhythm__mark--d .rhythm__tip {
    left: auto;
    right: 0;
    transform: none;
  }
}

@media (min-width: 960px) {
  .page-news .series-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 40px;
  }

  .page-news .series-figure {
    position: sticky;
    top: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pinned-card,
  .page-news .feed-filter__chip,
  .page-news .feed-item__title,
  .page-news .rhythm__tip,
  .page-news .follow-link {
    transition: none;
  }

  .page-news .pinned-card:hover,
  .page-news .feed-filter__chip:hover {
    transform: none;
  }
}