.page-news {
  --news-rule: 3px solid var(--c-deep);
  --news-shadow: 6px 6px 0 var(--c-deep);
  --news-shadow-soft: 4px 4px 0 var(--c-deep);
  margin: 0;
  background: var(--c-cream);
  color: var(--c-ink);
  font-family: var(--font-ui);
}

/* ===== 期刊封面区 ===== */
.page-news .news-cover {
  position: relative;
  background: var(--c-deep);
  color: var(--c-cream);
  padding: 24px 20px 44px;
  overflow: hidden;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: var(--c-green);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.85;
  pointer-events: none;
}

.page-news .news-cover__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}

.page-news .breadcrumbs__link {
  color: var(--c-gold-bright);
  text-decoration: none;
  font-weight: 600;
}

.page-news .breadcrumbs__link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .breadcrumbs__sep {
  color: rgba(245, 242, 232, 0.45);
}

.page-news .breadcrumbs [aria-current="page"] {
  color: var(--c-gold);
  font-weight: 700;
}

.page-news .news-cover__head {
  padding-top: 6px;
}

.page-news .news-cover__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-news .news-cover__title {
  position: relative;
  display: inline-block;
  margin: 0 0 16px;
  padding-bottom: 12px;
  font-size: clamp(2rem, 5.6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-news .news-cover__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 6px;
  background: var(--c-gold);
}

.page-news .news-cover__intro {
  margin: 0 0 26px;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 242, 232, 0.88);
}

.page-news .news-cover__grid {
  display: grid;
  gap: 24px;
  align-items: start;
  margin-top: 10px;
}

@media (min-width: 980px) {
  .page-news .news-cover__grid {
    grid-template-columns: minmax(0, 1fr) 270px;
    gap: 28px;
  }
}

.page-news .news-cover__feature {
  display: grid;
  gap: 14px;
  background: var(--c-cream);
  color: var(--c-ink);
  border: var(--border-w) solid var(--c-deep);
  box-shadow: var(--news-shadow);
  padding: 12px;
  transition: box-shadow 300ms ease-out;
}

.page-news .news-cover__feature:hover {
  box-shadow: 8px 8px 0 var(--c-gold);
}

@media (min-width: 760px) {
  .page-news .news-cover__feature {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
    padding: 18px;
  }
}

.page-news .news-cover__media {
  margin: 0;
  border: var(--border-w) solid var(--c-deep);
  background: var(--c-deep);
  overflow: hidden;
}

.page-news .news-cover__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 300ms ease-out;
}

.page-news .news-cover__feature:hover .news-cover__media img {
  transform: scale(1.03);
}

.page-news .news-cover__body {
  padding: 6px 2px;
}

.page-news .news-cover__headline {
  margin: 12px 0 10px;
  font-size: clamp(1.4rem, 3.2vw, 2.25rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-news .news-cover__excerpt {
  margin: 0 0 18px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #333f38;
}

.page-news .news-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-cover__side {
  display: grid;
  gap: 6px;
  background: var(--c-deep);
  border: var(--border-w) solid var(--c-gold);
  padding: 16px;
}

.page-news .news-cover__side-title {
  margin: 0 0 8px;
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
  border-bottom: 2px dashed var(--c-grass);
}

.page-news .news-cover__quick {
  display: block;
  padding: 12px 8px;
  text-decoration: none;
  color: var(--c-cream);
  border-bottom: 1px solid rgba(245, 242, 232, 0.14);
  transition: background 300ms ease-out;
}

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

.page-news .news-cover__quick:hover {
  background: rgba(212, 175, 55, 0.14);
}

.page-news .news-cover__quick-tag {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gold-bright);
}

.page-news .news-cover__quick-text {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
}

/* ===== 文章列表区 ===== */
.page-news .news-archives {
  padding: 52px 20px 56px;
  background: var(--c-cream);
}

.page-news .news-archives__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  max-width: var(--container-max);
  margin: 0 auto 30px;
}

.page-news .news-archives .section-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-news .news-archives .section-title {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-news .news-archives .section-desc {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--c-muted);
  font-size: 0.94rem;
}

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

.page-news .news-archives__filter a {
  padding: 7px 12px;
  background: var(--c-cream);
  border: 2px solid var(--c-deep);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-deep);
  text-decoration: none;
  transition: background 200ms ease-out, color 200ms ease-out, box-shadow 200ms ease-out;
}

.page-news .news-archives__filter a:hover {
  background: var(--c-gold);
  box-shadow: 3px 3px 0 var(--c-deep);
}

.page-news .news-grid {
  display: grid;
  gap: 30px;
  max-width: var(--container-max);
  margin: 0 auto;
}

@media (min-width: 860px) {
  .page-news .news-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .news-column {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-news .news-column__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: var(--news-rule);
}

.page-news .news-column__num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--c-gold);
  line-height: 1;
}

.page-news .news-column__title {
  margin: 0;
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-news .news-item {
  position: relative;
  padding: 4px 4px 16px 12px;
  border-left: 6px solid transparent;
  border-bottom: var(--news-rule);
  transition: border-color 200ms ease-out;
}

.page-news .news-item:hover {
  border-left-color: var(--c-gold);
}

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

.page-news .news-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
}

.page-news .news-item__code {
  letter-spacing: 0.08em;
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-news .news-item__excerpt {
  margin: 0 0 8px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: #2d3a33;
}

.page-news .news-item__extrameta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
}

.page-news .news-item--media {
  display: grid;
  gap: 12px;
}

.page-news .news-item__figure {
  margin: 0;
  border: var(--border-w) solid var(--c-deep);
  background: var(--c-deep);
}

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

@media (min-width: 520px) {
  .page-news .news-item--media {
    grid-template-columns: minmax(0, 1fr) 140px;
    align-items: start;
  }

  .page-news .news-item--icon {
    grid-template-columns: minmax(0, 1fr) 88px;
  }
}

.page-news .news-archives__callout {
  max-width: var(--container-max);
  margin: 36px auto 0;
  padding: 16px 18px;
  background: var(--c-deep);
  color: var(--c-cream);
  border-left: 10px solid var(--c-gold);
}

.page-news .news-archives__callout p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-news .news-archives__callout a {
  color: var(--c-gold-bright);
  font-weight: 700;
  text-underline-offset: 3px;
}

/* ===== 热门标签区 ===== */
.page-news .news-topics {
  padding: 50px 20px 54px;
  background: var(--c-gold);
  color: var(--c-deep);
  border-top: var(--news-rule);
  border-bottom: var(--news-rule);
}

.page-news .news-topics__inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-news .news-topics__head .section-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-deep);
}

.page-news .news-topics__head .section-title {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-news .news-topics__head .section-desc {
  margin: 10px 0 0;
  max-width: 62ch;
  color: #2b3a31;
  font-size: 0.94rem;
}

.page-news .news-topics__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
}

.page-news .news-topics__tabs .tabs__btn {
  appearance: none;
  padding: 10px 16px;
  background: transparent;
  border: var(--border-w) solid var(--c-deep);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-deep);
  cursor: pointer;
  transition: background 200ms ease-out, color 200ms ease-out, box-shadow 200ms ease-out;
}

.page-news .news-topics__tabs .tabs__btn:hover {
  background: var(--c-gold-bright);
}

.page-news .news-topics__tabs .tabs__btn.is-active {
  background: var(--c-deep);
  color: var(--c-gold-bright);
  box-shadow: var(--news-shadow-soft);
}

.page-news .news-topics__tabs .tabs__panel {
  display: none;
}

.page-news .news-topics__tabs .tabs__panel.is-active {
  display: block;
}

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

@media (min-width: 760px) {
  .page-news .news-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }
}

.page-news .news-topic-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: var(--c-cream);
  border: var(--border-w) solid var(--c-deep);
  box-shadow: var(--news-shadow-soft);
}

.page-news .news-topic-card__title {
  margin: 4px 0 0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.3;
}

.page-news .news-topic-card__title a {
  color: var(--c-deep);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0% 2px;
  background-position: 0 100%;
  transition: background-size 250ms ease-out;
}

.page-news .news-topic-card__title a:hover {
  background-size: 100% 2px;
}

.page-news .news-topic-card__excerpt {
  margin: 0 0 4px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-news .news-topic-card--cta {
  justify-content: space-between;
  background: var(--c-deep);
  color: var(--c-cream);
  border-color: var(--c-deep);
}

.page-news .news-topic-card--cta p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
}

.page-news .news-topic-card--cta .btn--ghost {
  align-self: flex-start;
  background: transparent;
  border-color: var(--c-cream);
  color: var(--c-cream);
}

.page-news .news-topic-card--cta .btn--ghost:hover {
  background: var(--c-grass);
  border-color: var(--c-grass);
  color: var(--c-deep);
}

.page-news .news-topics__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 2px dashed rgba(11, 42, 30, 0.45);
}

.page-news .news-topics__footer p {
  margin: 0;
  font-size: 0.86rem;
  color: #3b4a41;
}

.page-news .news-topics__footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-news .news-topics__footer-links a {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--c-deep);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--c-deep);
  text-underline-offset: 4px;
}

.page-news .news-topics__footer-links a:hover {
  color: var(--c-red);
  text-decoration-color: var(--c-red);
}

/* ===== 移动端细节 ===== */
@media (max-width: 519px) {
  .page-news .news-topics__grid {
    grid-template-columns: 1fr;
  }

  .page-news .news-archives__bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news .news-cover__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}