.page-news {
  --news-rail-brief: var(--sand);
  --news-rail-feature: var(--line-green);
  --news-rail-method: var(--flag-yellow);
  --news-rail-rank: var(--sand);
  --news-rail-data: var(--line-green);
  --news-rail-ref: var(--chalk);
  --news-rail-youth: var(--dust);
  --news-rail-pen: var(--flag-red);
  background: var(--pitch-deep);
  padding-bottom: 84px;
  overflow-x: hidden;
}

.page-news .yk-container {
  max-width: var(--wrap);
}

/* ---------- 面包屑 ---------- */
.page-news .yk-breadcrumb {
  padding: 22px 0 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 30px;
  padding: 26px 0 40px;
  border-bottom: var(--edge);
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--ff-display);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--ff-body);
  font-size: clamp(2rem, 8vw, 3.9rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--chalk);
  overflow-wrap: break-word;
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.78;
  color: var(--dust);
}

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

.page-news .news-hero__board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-green);
  border: var(--edge);
  box-shadow: var(--hard-shadow);
}

.page-news .news-hero__board > div {
  background: var(--pitch-night);
  padding: 16px 14px 18px;
  min-width: 0;
  transition: background var(--ease);
}

.page-news .news-hero__board > div:hover {
  background: var(--pitch-mid);
}

.page-news .news-hero__board dt {
  font-family: var(--ff-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-news .news-hero__board dd {
  margin: 8px 0 0;
  font-family: var(--ff-mono);
  font-size: 1.65rem;
  line-height: 1;
  color: var(--chalk);
}

.page-news .news-hero__board dd .yk-num {
  color: var(--sand);
}

/* ---------- 图片容器 ---------- */
.page-news .news-visual {
  margin: 34px 0 0;
  border: var(--edge);
  background: var(--pitch-night);
}

.page-news .news-visual .yk-figure__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-visual .yk-figure__cap {
  display: block;
  padding: 10px 14px;
  border-top: var(--edge);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--dust);
}

/* ---------- 区块通用 ---------- */
.page-news .news-section {
  padding: 58px 0 0;
}

.page-news .news-head {
  display: grid;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: var(--edge);
  margin-bottom: 30px;
}

.page-news .news-head h2 {
  margin: 0;
  font-family: var(--ff-body);
  font-size: clamp(1.35rem, 4.4vw, 1.85rem);
  font-weight: 800;
  color: var(--chalk);
  letter-spacing: 0.01em;
}

.page-news .news-head__sub {
  margin: 0;
  font-size: 0.9rem;
  color: var(--dust);
}

/* ---------- 当期要闻 ---------- */
.page-news .news-lead {
  display: grid;
  gap: 26px;
}

.page-news .news-lead__main {
  border: var(--edge);
  background: var(--pitch-night);
  padding: 24px 20px 26px;
  box-shadow: var(--hard-shadow);
}

.page-news .news-lead__side {
  display: grid;
  gap: 26px;
}

.page-news .news-lead__item {
  border-left: 4px solid var(--sand);
  background: var(--pitch-mid);
  padding: 20px 18px 22px;
  transition: border-color var(--ease), background var(--ease);
}

.page-news .news-lead__item:hover {
  border-left-color: var(--flag-yellow);
  background: var(--pitch-night);
}

.page-news .news-lead__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
}

.page-news .news-lead__round {
  font-family: var(--ff-mono);
  font-size: 1rem;
  color: var(--sand);
}

.page-news .news-lead__main h3 {
  margin: 0 0 12px;
  font-size: clamp(1.3rem, 5vw, 1.95rem);
  line-height: 1.28;
  font-weight: 800;
  color: var(--chalk);
}

.page-news .news-lead__item h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  line-height: 1.4;
  font-weight: 700;
  color: var(--chalk);
}

.page-news .news-lead__main p,
.page-news .news-lead__item p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--dust);
}

.page-news .news-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.92rem;
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--ease), color var(--ease);
}

.page-news .news-link:hover,
.page-news .news-link:focus-visible {
  border-bottom-color: var(--sand);
  color: var(--flag-yellow);
}

.page-news .news-link--plain {
  color: var(--dust);
  font-size: 0.9rem;
}

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

/* ---------- 栏目标签切换 ---------- */
.page-news .news-tabs {
  position: relative;
}

.page-news .news-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  border: var(--edge);
  background: var(--pitch-night);
}

.page-news .news-tabs__labels label {
  flex: 1 1 130px;
  padding: 14px 12px;
  text-align: center;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--dust);
  cursor: pointer;
  border-right: 2px solid var(--line-green);
  border-bottom: 3px solid transparent;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
  user-select: none;
}

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

.page-news .news-tabs__labels label:hover {
  color: var(--chalk);
  background: var(--pitch-mid);
}

.page-news #press-brief:checked ~ .news-tabs__labels label[for="press-brief"],
.page-news #press-feature:checked ~ .news-tabs__labels label[for="press-feature"],
.page-news #press-method:checked ~ .news-tabs__labels label[for="press-method"] {
  color: var(--sand);
  background: var(--pitch-mid);
  border-bottom-color: var(--sand);
}

.page-news #press-brief:focus-visible ~ .news-tabs__labels label[for="press-brief"],
.page-news #press-feature:focus-visible ~ .news-tabs__labels label[for="press-feature"],
.page-news #press-method:focus-visible ~ .news-tabs__labels label[for="press-method"] {
  outline: 2px solid var(--sand);
  outline-offset: -4px;
}

.page-news .news-tabs__panels {
  border: var(--edge);
  border-top: 0;
  background: var(--pitch-deep);
}

.page-news .news-tabs__panels > .news-panel {
  display: none;
  padding: 24px 20px 26px;
}

.page-news #press-brief:checked ~ .news-tabs__panels > [data-panel="brief"],
.page-news #press-feature:checked ~ .news-tabs__panels > [data-panel="feature"],
.page-news #press-method:checked ~ .news-tabs__panels > [data-panel="method"] {
  display: block;
}

.page-news .news-panel__intro {
  margin: 0 0 20px;
  max-width: 64ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--chalk);
}

.page-news .news-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-green);
  border: 1px solid var(--line-green);
}

.page-news .news-panel__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--pitch-night);
  padding: 14px 16px;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--dust);
}

.page-news .news-panel__dot {
  flex: 0 0 auto;
  margin-top: 6px;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--sand);
  letter-spacing: 0.04em;
}

.page-news .news-panel__dot.yk-flag {
  width: 8px;
  height: 8px;
  margin-top: 8px;
}

/* ---------- 更新记录流 ---------- */
.page-news .news-flow {
  display: grid;
  gap: 0;
}

.page-news .news-flow__item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 20px 16px 20px 22px;
  border-bottom: 1px solid var(--line-green);
  transition: background var(--ease);
}

.page-news .news-flow__item:hover {
  background: var(--pitch-mid);
}

.page-news .news-flow__rail {
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--line-green);
  transition: width var(--ease), background var(--ease);
}

.page-news .news-flow__item:hover .news-flow__rail {
  width: 6px;
}

.page-news .news-flow__rail--rank { background: var(--news-rail-rank); }
.page-news .news-flow__rail--data { background: var(--news-rail-data); }
.page-news .news-flow__rail--ref { background: var(--news-rail-ref); }
.page-news .news-flow__rail--youth { background: var(--news-rail-youth); }
.page-news .news-flow__rail--pen { background: var(--news-rail-pen); }

.page-news .news-flow__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
}

.page-news .news-flow__ver {
  font-family: var(--ff-mono);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--sand);
}

.page-news .news-flow__body {
  min-width: 0;
}

.page-news .news-flow__body h3 {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.42;
  color: var(--chalk);
  border-bottom: 1px solid transparent;
  display: inline;
  transition: border-color var(--ease);
}

.page-news .news-flow__item:hover .news-flow__body h3 {
  border-bottom-color: var(--sand);
}

.page-news .news-flow__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--dust);
}

/* ---------- 轮次分隔线 ---------- */
.page-news .news-split {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 26px 0 6px;
  padding-top: 14px;
  border-top: 2px solid var(--line-green);
}

.page-news .news-split__no {
  font-family: var(--ff-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--sand);
  letter-spacing: 0.06em;
}

.page-news .news-split__line {
  flex: 1 1 auto;
  height: 1px;
  min-width: 20px;
  background: repeating-linear-gradient(
    to right,
    var(--line-green) 0 8px,
    transparent 8px 14px
  );
}

.page-news .news-split__link {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--dust);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .news-split__link:hover,
.page-news .news-split__link:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

.page-news .news-visual--flow {
  margin-top: 40px;
}

/* ---------- 专题长文 ---------- */
.page-news .news-feature {
  display: grid;
  gap: 30px;
}

.page-news .news-feature__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-news .news-feature__item {
  border: var(--edge);
  background: var(--pitch-night);
  padding: 22px 18px 20px;
  transition: box-shadow var(--ease), border-color var(--ease);
}

.page-news .news-feature__item:hover {
  border-color: var(--sand);
  box-shadow: var(--hard-shadow);
}

.page-news .news-feature__item h3 {
  margin: 0 0 12px;
  font-size: 1.12rem;
  line-height: 1.45;
  font-weight: 700;
}

.page-news .news-feature__item h3 a {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .news-feature__item h3 a:hover,
.page-news .news-feature__item h3 a:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

.page-news .news-feature__item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--dust);
}

.page-news .news-feature__meta {
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--line-green);
  font-family: var(--ff-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--sand) !important;
}

/* ---------- 方法笔记 ---------- */
.page-news .news-method {
  display: grid;
  gap: 30px;
}

.page-news .news-method__notes {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-news .news-note {
  border: var(--edge);
  background: var(--pitch-night);
  transition: border-color var(--ease);
}

.page-news .news-note[open] {
  border-color: var(--flag-yellow);
}

.page-news .news-note summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--chalk);
}

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

.page-news .news-note__ver {
  font-family: var(--ff-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--sand);
}

.page-news .news-note__title {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 0.96rem;
  line-height: 1.5;
  font-weight: 600;
}

.page-news .news-note .yk-fold__body {
  padding: 0 18px 18px;
}

.page-news .news-note .yk-fold__body p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-green);
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--dust);
}

.page-news .news-visual--method {
  margin-top: 0;
}

/* ---------- 跟进区 ---------- */
.page-news .news-follow__box {
  display: grid;
  gap: 24px;
  border: var(--edge);
  background: var(--pitch-night);
  padding: 28px 20px 30px;
  box-shadow: var(--hard-shadow-lg);
}

.page-news .news-follow__text h2 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 4.6vw, 1.9rem);
  line-height: 1.24;
  font-weight: 800;
  color: var(--chalk);
}

.page-news .news-follow__text p {
  margin: 0;
  max-width: 66ch;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--dust);
}

.page-news .news-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.page-news .news-follow__actions .news-link--plain {
  flex: 1 1 100%;
  margin-top: 4px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-hero__board dd {
    font-size: 1.9rem;
  }

  .page-news .news-lead {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-lead__side {
    gap: 20px;
  }

  .page-news .news-flow__item {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 22px;
    padding: 24px 20px 24px 26px;
  }

  .page-news .news-flow__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-news .news-flow__body p {
    padding-left: 18px;
  }

  .page-news .news-feature {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 36px;
  }

  .page-news .news-feature__list {
    margin-top: 26px;
  }

  .page-news .news-method {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-news .news-follow__box {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    padding: 34px 28px 36px;
  }

  .page-news .news-follow__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
    padding-bottom: 52px;
  }

  .page-news .news-section {
    padding-top: 72px;
  }

  .page-news .news-lead__main {
    padding: 32px 30px 34px;
  }

  .page-news .news-flow__item {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .page-news .news-flow__body p {
    padding-left: 42px;
  }

  .page-news .news-tabs__panels > .news-panel {
    padding: 30px 28px 32px;
  }

  .page-news .news-panel__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-feature {
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
  }
}