.page-news {
  background: var(--yd-mist);
  color: var(--yd-ink);
}

.page-news .news-masthead {
  padding-top: clamp(22px, 4vw, 40px);
  padding-bottom: clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--yd-rule);
}

.page-news .news-masthead__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(22px, 3.5vw, 40px);
}

.page-news .news-masthead__text .yd-lead {
  max-width: 46ch;
  margin-top: 18px;
}

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

.page-news .news-masthead__meta li {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yd-ink-2);
  border: 1px solid var(--yd-rule);
  background: var(--yd-paper);
  padding: 6px 12px;
}

.page-news .news-masthead__scale {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .news-scale {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
}

.page-news .news-scale__axis {
  stroke: var(--yd-ink-2);
  stroke-width: 1;
}

.page-news .news-scale__ticks line {
  stroke: var(--yd-rule);
  stroke-width: 1;
}

.page-news .news-scale__ticks line:nth-child(5),
.page-news .news-scale__ticks line:nth-child(9) {
  stroke: var(--yd-gold);
}

.page-news .news-scale__dot {
  fill: var(--yd-teal);
}

.page-news .news-masthead__scale .yd-mono-note {
  color: var(--yd-ink-2);
}

/* 分栏：左目录，右列表 */
.page-news .news-desk {
  padding: clamp(32px, 5vw, 64px) 0 clamp(40px, 5vw, 72px);
}

.page-news .news-desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
}

.page-news .news-rail__title {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--yd-teal);
  margin: 0 0 14px;
}

.page-news .news-toc {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--yd-rule);
}

.page-news .news-toc li {
  border-bottom: 1px solid var(--yd-rule);
}

.page-news .news-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  color: var(--yd-ink);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-news .news-toc a:hover,
.page-news .news-toc a:focus-visible {
  color: var(--yd-teal);
  transform: translateX(3px);
}

.page-news .news-toc__num {
  font-family: var(--yd-mono);
  font-size: 12px;
  color: var(--yd-gold);
  flex: none;
}

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

.page-news .news-rail__catlist li {
  font-size: 13px;
  line-height: 1.4;
  padding: 5px 11px;
  border-radius: var(--yd-pill);
  background: var(--yd-teal-mist);
  color: var(--yd-teal-deep);
}

/* 笔记条目 */
.page-news .note {
  padding-top: clamp(24px, 3vw, 34px);
  margin-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--yd-rule);
}

.page-news .note:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-news .note__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .note__num {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yd-teal);
}

.page-news .note__time {
  font-family: var(--yd-mono);
  font-size: 12px;
  color: var(--yd-ink-2);
  margin-left: auto;
}

.page-news .note__title {
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.page-news .note--lead .note__title {
  font-size: clamp(24px, 3.4vw, 36px);
}

.page-news .note__summary {
  font-family: var(--yd-body);
  font-size: 16px;
  line-height: 1.78;
  color: var(--yd-ink-2);
  margin: 0;
  max-width: 62ch;
}

.page-news .note__figure {
  position: relative;
  margin: 0 0 20px;
  border: 1px solid var(--yd-rule);
  background: var(--yd-paper);
  box-shadow: var(--yd-shadow);
}

.page-news .note__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .note__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  background: var(--yd-gold);
  color: var(--yd-ink);
}

.page-news .note--thumb {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .note__thumb {
  border: 1px solid var(--yd-rule);
  background: var(--yd-paper);
  overflow: hidden;
}

.page-news .note__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .note__more {
  font-family: var(--yd-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--yd-teal-deep);
  margin: 0;
  border-left: 2px solid var(--yd-gold);
  padding-left: 12px;
}

@media (hover: hover) and (pointer: fine) {
  .page-news .note__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-left-width: 0;
    transition: max-height 0.32s ease, opacity 0.28s ease, margin-top 0.28s ease,
      padding 0.28s ease, border-left-width 0.28s ease;
  }

  .page-news .note:hover .note__more,
  .page-news .note:focus-within .note__more {
    max-height: 90px;
    opacity: 1;
    margin-top: 14px;
    padding-left: 12px;
    border-left-width: 2px;
  }
}

/* 本期重点 */
.page-news .news-feature {
  background: var(--yd-teal-deep);
  color: var(--yd-paper);
}

.page-news .news-feature__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-news .news-feature .yd-h2 {
  color: var(--yd-paper);
  margin-top: 14px;
}

.page-news .news-feature__lead {
  font-family: var(--yd-body);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(251, 249, 245, 0.78);
  margin: 18px 0 0;
  max-width: 42ch;
}

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

.page-news .news-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(245, 242, 236, 0.2);
}

.page-news .news-step:last-child {
  border-bottom: 1px solid rgba(245, 242, 236, 0.2);
}

.page-news .news-step__num {
  font-family: var(--yd-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--yd-gold);
  padding-top: 3px;
}

.page-news .news-step__title {
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--yd-paper);
}

.page-news .news-step__text {
  font-family: var(--yd-body);
  font-size: 15px;
  line-height: 1.78;
  margin: 0;
  color: rgba(251, 249, 245, 0.8);
}

.page-news .news-feature__foot {
  margin-top: clamp(28px, 4vw, 44px);
}

/* 按栏目翻 */
.page-news .news-cats__intro {
  max-width: 62ch;
  margin-bottom: clamp(26px, 3.5vw, 40px);
}

.page-news .news-cats__intro .yd-lead {
  margin-top: 16px;
}

.page-news .news-cats__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .news-cat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--yd-paper);
  border: 1px solid var(--yd-rule);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-news .news-cat:hover {
  transform: translateY(-3px);
  border-color: var(--yd-teal);
  box-shadow: var(--yd-shadow);
}

.page-news .news-cat__num {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--yd-gold);
}

.page-news .news-cat__name {
  font-family: var(--yd-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  margin: 0;
}

.page-news .news-cat__desc {
  font-family: var(--yd-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--yd-ink-2);
  margin: 0;
  flex: 1;
}

.page-news .news-cat__link {
  font-size: 13px;
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid var(--yd-teal);
  align-self: flex-start;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .news-cat__link:hover,
.page-news .news-cat__link:focus-visible {
  color: var(--yd-teal-deep);
  border-color: var(--yd-gold);
}

/* 更新节奏 */
.page-news .news-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-news .news-rhythm__text {
  font-family: var(--yd-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--yd-ink-2);
  margin: 18px 0 0;
  max-width: 56ch;
}

.page-news .news-rhythm__mail {
  font-family: var(--yd-mono);
  font-size: 14px;
  color: var(--yd-teal-deep);
  background: var(--yd-teal-mist);
  padding: 1px 6px;
  word-break: break-all;
}

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

.page-news .news-rhythm__facts {
  margin: 0;
  display: grid;
  gap: 18px;
}

.page-news .news-rhythm__facts > div {
  border-top: 1px solid var(--yd-rule);
  padding-top: 14px;
}

.page-news .news-rhythm__facts dt {
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yd-teal);
}

.page-news .news-rhythm__facts dd {
  font-family: var(--yd-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--yd-ink-2);
  margin: 8px 0 0;
}

@media (min-width: 640px) {
  .page-news .news-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .note--thumb {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: end;
  }

  .page-news .news-masthead__scale {
    align-items: flex-end;
    text-align: right;
  }

  .page-news .news-desk__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-news .news-desk__rail {
    position: sticky;
    top: 108px;
    padding-right: 20px;
    border-right: 1px solid var(--yd-rule);
  }

  .page-news .news-feature__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-news .note__more,
  .page-news .note,
  .page-news .news-cat,
  .page-news .news-toc a {
    transition: none;
  }

  .page-news .news-cat:hover,
  .page-news .news-toc a:hover {
    transform: none;
  }
}