.page-news {
  --news-body-text: rgba(242, 245, 233, 0.82);
  --news-body-soft: rgba(242, 245, 233, 0.62);
  background: var(--ink-base);
  color: var(--paper);
}

/* ---------- 页头 ---------- */
.page-news .news-head {
  padding: 28px 0 4px;
}

.page-news .news-head .sy-breadcrumb {
  margin-bottom: 22px;
}

.page-news .news-head__stamp {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-news .news-head__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 18em;
}

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

.page-news .news-head__lede {
  margin: 22px 0 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--news-body-text);
}

.page-news .news-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}

.page-news .news-kpi {
  background: var(--ink-base);
  padding: 18px 16px;
}

.page-news .news-kpi__value {
  display: block;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  line-height: 1.1;
  color: var(--lime);
}

.page-news .news-kpi__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--sage);
}

/* ---------- 章节标题组 ---------- */
.page-news .sy-chapter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 12px;
  align-items: baseline;
  margin-bottom: 30px;
}

.page-news .sy-chapter__num {
  font-family: var(--font-data);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-news .sy-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .sy-chapter__text {
  grid-column: 2;
  margin: 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--news-body-text);
}

/* ---------- 01 本期聚焦 ---------- */
.page-news .news-feature {
  display: grid;
  gap: 30px;
}

.page-news .news-feature__index {
  display: block;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(64px, 14vw, 118px);
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: rgba(198, 255, 61, 0.18);
}

.page-news .news-feature__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 29px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-feature__lede {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--news-body-text);
}

.page-news .news-feature__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .news-feature__list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--news-body-text);
}

.page-news .news-feature__list li::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--lime);
}

.page-news .news-feature__note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-body-soft);
  max-width: 38em;
}

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

.page-news .news-feature__media .sy-media__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ---------- 02 迭代时间轴 ---------- */
.page-news .news-timeline__stage {
  display: grid;
  position: relative;
  overflow: hidden;
  background: var(--ink-panel);
  border-top: 3px solid var(--lime);
  border-bottom: 1px solid var(--ink-line);
}

.page-news .news-timeline__stage > * {
  grid-area: 1 / 1;
}

.page-news .news-timeline__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.page-news .news-timeline__scrim {
  background: linear-gradient(90deg, rgba(10, 29, 24, 0.94) 0%, rgba(10, 29, 24, 0.78) 46%, rgba(10, 29, 24, 0.42) 100%);
}

.page-news .news-timeline__track {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  margin: 0;
  padding: 40px 20px 34px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-timeline__node {
  position: relative;
  flex: 1 0 176px;
  scroll-snap-align: start;
  padding: 24px 16px 0;
  border-top: 1px solid var(--ink-line);
}

.page-news .news-timeline__node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 16px;
  width: 9px;
  height: 9px;
  background: var(--sage);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-news .news-timeline__node--current {
  border-top-color: var(--lime);
}

.page-news .news-timeline__node--current::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.16);
}

.page-news .news-timeline__num {
  display: block;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  line-height: 1;
  color: var(--lime);
}

.page-news .news-timeline__node--current .news-timeline__num {
  color: var(--lime-glow);
}

.page-news .news-timeline__kw {
  display: block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-timeline__desc {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--news-body-soft);
}

/* ---------- 03 专题观察条目 ---------- */
.page-news .news-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.page-news .sy-filter {
  appearance: none;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1;
  padding: 10px 16px;
  border: 1px solid var(--ink-line);
  background: transparent;
  color: var(--sage);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .sy-filter:hover {
  border-color: var(--lime);
  color: var(--lime-glow);
}

.page-news .sy-filter[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--black);
  font-weight: 700;
}

.page-news .news-entries__grid {
  display: grid;
  gap: 34px;
}

.page-news .news-entrylist {
  border-top: 1px solid var(--ink-line);
}

.page-news .news-entry {
  position: relative;
  padding: 24px 0 24px 20px;
  border-bottom: 1px solid var(--ink-line);
}

.page-news .news-entry[hidden] {
  display: none;
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  background: var(--ink-line);
}

.page-news .news-entry[data-tag~="案例合集"]::before {
  background: var(--lime);
}

.page-news .news-entry[data-tag~="数据观察"]::before {
  background: var(--cyan);
}

.page-news .news-entry[data-tag~="观看体验"]::before {
  background: var(--amber);
}

.page-news .news-entry[data-tag~="入口使用"]::before {
  background: var(--orange);
}

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

.page-news .news-entry__cat {
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border: 1px solid var(--ink-line);
  color: var(--sage);
}

.page-news .news-entry__time {
  margin-left: auto;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-news .news-entry__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-entry__body {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.76;
  color: var(--news-body-text);
}

.page-news .news-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

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

.page-news .news-aside__media .sy-media__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news .news-aside__note {
  padding: 20px 18px;
  background: var(--ink-panel);
  border-left: 3px solid var(--lime);
}

.page-news .news-aside__note-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-aside__note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-body-soft);
}

/* ---------- 04 更新节奏 ---------- */
.page-news .news-pace__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-pace__prose {
  max-width: 44em;
}

.page-news .news-pace__prose p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--news-body-text);
}

.page-news .news-pace__prose p:last-child {
  margin-bottom: 0;
}

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

.page-news .news-pace__media .sy-media__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ---------- 05 延伸阅读 ---------- */
.page-news .news-next {
  display: grid;
  gap: 14px;
}

.page-news .news-next__item {
  display: block;
  padding: 22px 20px;
  background: var(--ink-panel);
  color: inherit;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-news .news-next__item:hover,
.page-news .news-next__item:focus-visible {
  background: var(--ink-line);
  transform: translateY(-3px);
}

.page-news .news-next__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
  color: var(--lime);
}

.page-news .news-next__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--news-body-soft);
}

/* ---------- 焦点态与动效 ---------- */
.page-news .sy-filter:focus-visible,
.page-news .news-next__item:focus-visible,
.page-news .sy-breadcrumb__link:focus-visible {
  outline: 2px solid var(--lime-glow);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .sy-filter,
  .page-news .news-next__item {
    transition: none;
  }
  .page-news .news-next__item:hover,
  .page-news .news-next__item:focus-visible {
    transform: none;
  }
}

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

@media (min-width: 900px) {
  .page-news .news-head {
    padding-top: 40px;
  }

  .page-news .news-feature {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-pace__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 50px;
    align-items: center;
  }

  .page-news .news-timeline__track {
    padding: 46px 28px 40px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-entries__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-news .news-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page-news .news-entry__time {
    margin-left: 0;
  }

  .page-news .news-timeline__node {
    flex: 0 0 168px;
  }
}