.page-news {
  --news-sticky-offset: 112px;
  --news-radius: 12px;
}

/* ---------- 页头 ---------- */
.page-news .news-intro {
  padding: var(--yb-gap-2) 0 var(--yb-gap-3);
  border-bottom: 1px solid var(--yb-line);
}

.page-news .news-intro h1 {
  margin: 12px 0 18px;
  max-width: 780px;
  font-size: clamp(30px, 7vw, 54px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--yb-ink);
}

.page-news .news-intro .yb-lead {
  max-width: 720px;
}

.page-news .news-intro__facts {
  list-style: none;
  margin: var(--yb-gap-2) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .news-intro__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: var(--yb-white);
  border: 1px solid var(--yb-line);
  border-left: 3px solid var(--yb-bright);
  border-radius: var(--yb-r-sm);
}

.page-news .news-intro__facts strong {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--yb-blue);
  font-variant-numeric: tabular-nums;
}

.page-news .news-intro__facts span {
  font-size: 14px;
  line-height: 1.5;
  color: var(--yb-muted);
}

/* ---------- 通用媒体占位 ---------- */
.page-news .news-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--yb-r-lg);
  background: var(--yb-ice);
}

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

.page-news .news-media--2x1 { aspect-ratio: 2 / 1; }
.page-news .news-media--3x2 { aspect-ratio: 3 / 2; }
.page-news .news-media--16x9 { aspect-ratio: 16 / 9; }
.page-news .news-media--16x10 { aspect-ratio: 16 / 10; }

/* ---------- 本季度重点 ---------- */
.page-news .news-highlight__media {
  margin-bottom: var(--yb-gap-3);
}

.page-news .news-highlight__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--yb-gap-1);
}

.page-news .news-highlight__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--yb-gap-1);
  background: var(--yb-white);
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-r-lg);
  box-shadow: var(--yb-shadow-line);
}

.page-news .news-highlight__item:first-child {
  border-color: rgba(239, 135, 34, 0.34);
  background: linear-gradient(180deg, var(--yb-orange-soft), var(--yb-white) 64%);
}

.page-news .news-highlight__num {
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: var(--yb-bright);
  font-variant-numeric: tabular-nums;
}

.page-news .news-highlight__item:first-child .news-highlight__num {
  color: var(--yb-orange);
}

.page-news .news-highlight__item h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--yb-ink);
}

.page-news .news-highlight__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yb-muted);
}

/* ---------- 文字链接 ---------- */
.page-news .news-link {
  display: inline-block;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--yb-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 75, 143, 0.32);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-news .news-link:hover {
  color: var(--yb-bright);
  border-bottom-color: var(--yb-bright);
}

/* ---------- 两栏：筛选 + 条目流 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--yb-gap-3);
}

.page-news .news-side {
  display: grid;
  gap: var(--yb-gap-1);
}

.page-news .news-side__label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--yb-muted);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-filter .yb-filter__btn {
  padding: 8px 14px;
  font-size: 14px;
  font-family: inherit;
  line-height: 1.4;
  border-radius: var(--yb-r-pill);
  border: 1px solid var(--yb-line);
  background: var(--yb-white);
  color: var(--yb-muted);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-news .news-filter .yb-filter__btn:hover {
  border-color: var(--yb-bright);
  color: var(--yb-blue);
}

.page-news .news-filter .yb-filter__btn[aria-pressed="true"] {
  background: var(--yb-blue);
  border-color: var(--yb-blue);
  color: var(--yb-white);
}

.page-news .news-stage {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-news .news-stage a {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--yb-muted);
  text-decoration: none;
  border-left: 2px solid var(--yb-line);
  border-radius: 0 10px 10px 0;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.page-news .news-stage a:hover {
  color: var(--yb-blue);
  background: var(--yb-ice);
  border-left-color: var(--yb-bright);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  display: grid;
  gap: var(--yb-gap-3);
  min-width: 0;
}

.page-news .news-stage-group {
  display: grid;
  gap: 18px;
  scroll-margin-top: var(--news-sticky-offset);
}

.page-news .news-stage-group__title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yb-muted);
}

.page-news .news-stage-group__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--yb-line);
}

.page-news .news-stage-group__body {
  display: grid;
  gap: 16px;
}

.page-news .news-item {
  position: relative;
  padding: var(--yb-gap-1) var(--yb-gap-1) var(--yb-gap-1) calc(var(--yb-gap-1) + 6px);
  background: var(--yb-white);
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-r-lg);
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--yb-bright);
}

.page-news .news-item:hover {
  border-color: rgba(60, 123, 224, 0.5);
  box-shadow: var(--yb-shadow-line);
}

.page-news .news-item[data-tags~="release"]::before { background: var(--yb-blue); }
.page-news .news-item[data-tags~="notice"]::before { background: var(--yb-orange); }
.page-news .news-item[data-tags~="tips"]::before { background: var(--yb-teal); }
.page-news .news-item[data-tags~="insight"]::before { background: var(--yb-violet); }

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

.page-news .news-item__cat {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yb-bright);
}

.page-news .news-item[data-tags~="notice"] .news-item__cat { color: var(--yb-orange); }
.page-news .news-item[data-tags~="tips"] .news-item__cat { color: var(--yb-teal); }
.page-news .news-item[data-tags~="insight"] .news-item__cat { color: var(--yb-violet); }

.page-news .news-item__thumb {
  margin: 0 0 16px;
  border-radius: var(--news-radius);
}

.page-news .news-item h4 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--yb-ink);
}

.page-news .news-item--feature h4 {
  font-size: clamp(20px, 3.2vw, 26px);
}

.page-news .news-item p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yb-muted);
  overflow-wrap: break-word;
}

/* ---------- 专题系列 ---------- */
.page-news .news-special__media {
  margin-bottom: var(--yb-gap-3);
}

.page-news .news-special__list {
  display: grid;
  gap: var(--yb-gap-2);
}

.page-news .news-special__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding-bottom: var(--yb-gap-2);
  border-bottom: 1px solid var(--yb-line);
}

.page-news .news-special__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .news-special__item .yb-step-num {
  display: block;
  font-size: clamp(52px, 12vw, 100px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: rgba(60, 123, 224, 0.24);
  font-variant-numeric: tabular-nums;
}

.page-news .news-special__item .yb-step-num--teal { color: rgba(14, 158, 143, 0.3); }
.page-news .news-special__item .yb-step-num--warm { color: rgba(239, 135, 34, 0.3); }

.page-news .news-special__body h3 {
  margin: 0 0 12px;
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--yb-ink);
}

.page-news .news-special__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--yb-muted);
}

.page-news .news-special__quote {
  margin: 16px 0 0;
  padding: 14px 18px;
  background: var(--yb-teal-soft);
  border-left: 3px solid var(--yb-teal);
  border-radius: 0 var(--yb-r-sm) var(--yb-r-sm) 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--yb-deep);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--yb-gap-2);
}

.page-news .news-rhythm__item {
  position: relative;
  padding-top: 24px;
  border-top: 3px solid var(--yb-line);
}

.page-news .news-rhythm__item::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--yb-teal);
}

.page-news .news-rhythm__item:nth-child(2)::before { background: var(--yb-bright); }
.page-news .news-rhythm__item:nth-child(3)::before { background: var(--yb-orange); }

.page-news .news-rhythm__key {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--yb-muted);
}

.page-news .news-rhythm__item h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--yb-ink);
}

.page-news .news-rhythm__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yb-muted);
}

/* ---------- 跟进入口 ---------- */
.page-news .news-next {
  padding-bottom: var(--yb-gap-4);
}

.page-news .news-next__grid {
  align-items: stretch;
}

.page-news .news-next__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.page-news .news-next__card:hover {
  border-color: var(--yb-bright);
  box-shadow: var(--yb-shadow-soft);
}

.page-news .news-next__card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--yb-ink);
}

.page-news .news-next__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--yb-muted);
}

.page-news .news-next__cue {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--yb-blue);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-intro__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--yb-gap-1);
  }

  .page-news .news-stage {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-highlight__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--yb-gap-2);
  }

  .page-news .news-highlight__item:first-child {
    grid-column: 1 / -1;
  }

  .page-news .news-special__item {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: var(--yb-gap-1);
    align-items: start;
  }

  .page-news .news-rhythm__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--yb-gap-2);
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: var(--yb-gap-2);
    align-items: start;
  }

  .page-news .news-stage {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .news-side {
    position: sticky;
    top: var(--news-sticky-offset);
    padding: var(--yb-gap-1);
    background: var(--yb-white);
    border: 1px solid var(--yb-line);
    border-radius: var(--yb-r-lg);
    box-shadow: var(--yb-shadow-line);
  }
}

@media (min-width: 1120px) {
  .page-news .news-stream {
    gap: var(--yb-gap-4);
  }

  .page-news .news-item {
    padding: var(--yb-gap-2) var(--yb-gap-2) var(--yb-gap-2) calc(var(--yb-gap-2) + 6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-next__card {
    transition: none;
  }
}
</final>