.page-news {
  --news-gap: 24px;
  --news-hero-bg: var(--color-dark);
  --news-sand-bg: var(--color-sand);
  --news-gold-bg: var(--color-gold-bright);
  --news-blue-deep: var(--color-blue-deep);
  background: var(--color-sand);
  overflow-x: hidden;
}

/* ===== 首屏 Hero ===== */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--news-hero-bg);
  color: var(--color-sand);
  padding: 40px 0 72px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 280px;
  height: 280px;
  background:
    linear-gradient(90deg, transparent 48%, rgba(217, 168, 68, 0.10) 48% 52%, transparent 52%),
    linear-gradient(0deg, transparent 48%, rgba(217, 168, 68, 0.10) 48% 52%, transparent 52%);
  background-size: 40px 40px;
  opacity: 0.6;
  pointer-events: none;
}

.page-news .news-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: end;
  position: relative;
  z-index: 1;
}

.page-news .news-hero-copy .exhibit-label {
  color: var(--color-gold);
  margin-bottom: 16px;
}

.page-news .news-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 34px;
  line-height: 1.25;
  margin: 0 0 16px;
  color: var(--color-white);
  max-width: 18em;
}

.page-news .news-hero-lead {
  max-width: 60ch;
  color: var(--color-sand);
  opacity: 0.9;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
}

.page-news .news-hero-copy .btn {
  margin-top: 4px;
}

.page-news .news-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.page-news .news-hero-stats .stat {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 16px 14px;
  text-align: left;
}

.page-news .news-hero-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-gold);
  display: block;
  line-height: 1.2;
}

.page-news .news-hero-stats .stat-label {
  font-size: 12px;
  color: var(--color-sand);
  opacity: 0.8;
  margin-top: 6px;
  display: block;
  line-height: 1.5;
}

.page-news .news-dune {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  width: 100%;
  height: 60px;
  pointer-events: none;
  opacity: 0.7;
  z-index: 1;
}

.page-news .news-dune svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ===== 区块标题 ===== */
.page-news .section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}

.page-news .section-head .exhibit-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-blue);
  border: 1px solid var(--color-blue);
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
}

.page-news .section-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 26px;
  margin: 0 0 6px;
  color: var(--color-ink);
  line-height: 1.25;
}

.page-news .section-sub {
  margin: 0;
  color: var(--color-rock);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 最新动态 Masonry ===== */
.page-news .news-updates {
  padding: 56px 0 72px;
  background: var(--news-sand-bg);
}

.page-news .news-masonry {
  columns: 1;
  column-gap: var(--news-gap);
}

.page-news .news-card {
  background: var(--color-white);
  border: 1px solid var(--color-metal);
  break-inside: avoid;
  margin-bottom: var(--news-gap);
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .news-card:hover {
  border-color: var(--color-blue);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(43, 43, 46, 0.10);
}

.page-news .news-media {
  overflow: hidden;
  background: var(--color-sand);
}

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

.page-news .news-card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

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

.page-news .news-card h3 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.35;
  margin: 0;
}

.page-news .news-card h3 a {
  color: var(--color-ink);
  text-decoration: none;
}

.page-news .news-card h3 a:hover {
  color: var(--color-blue);
}

.page-news .news-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-rock);
  margin: 0;
}

.page-news .news-card-foot {
  margin-top: auto;
  border-top: 1px solid var(--color-metal);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-news .news-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-rock);
  white-space: nowrap;
}

.page-news .news-read-more {
  font-size: 14px;
  color: var(--color-blue);
  text-decoration: none;
  font-weight: 500;
}

.page-news .news-read-more:hover {
  color: var(--color-blue-deep);
}

/* ===== 本月迭代说明 ===== */
.page-news .news-iteration {
  padding: 64px 0;
  background: var(--color-white);
}

.page-news .iteration-panel {
  border-top: 4px solid var(--color-gold);
  border-bottom: 1px solid var(--color-metal);
  padding: 32px 0 0;
}

.page-news .iteration-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .iteration-steps {
  display: grid;
  gap: 24px;
}

.page-news .iteration-step {
  border-left: 3px solid var(--color-gold);
  padding: 4px 0 4px 24px;
  position: relative;
}

.page-news .iteration-step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-blue);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 8px;
}

.page-news .iteration-step h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--color-ink);
  line-height: 1.3;
}

.page-news .iteration-step p {
  font-size: 14px;
  color: var(--color-rock);
  line-height: 1.75;
  margin: 0;
  max-width: 52ch;
}

.page-news .iteration-note {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-sand);
  padding: 16px 20px;
  border: 1px solid var(--color-metal);
}

.page-news .iteration-note p {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-ink);
  margin: 0;
  line-height: 1.7;
}

.page-news .iteration-figure {
  margin: 0;
  border: 1px solid var(--color-metal);
  background: var(--color-sand);
}

.page-news .iteration-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.page-news .iteration-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--color-rock);
  font-family: var(--font-mono);
  border-top: 1px solid var(--color-metal);
}

.page-news .iteration-stats {
  margin-top: 36px;
  border-top: 1px solid var(--color-metal);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.page-news .iteration-stats .stat {
  padding: 20px;
  border-right: 1px solid var(--color-metal);
  border-bottom: 1px solid var(--color-metal);
}

.page-news .iteration-stats .stat:nth-child(even) {
  border-right: none;
}

.page-news .iteration-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-ink);
  display: block;
  line-height: 1.2;
}

.page-news .iteration-stats .stat-label {
  font-size: 13px;
  color: var(--color-rock);
  display: block;
  margin-top: 6px;
}

/* ===== 目录扩展专题 ===== */
.page-news .news-catalog {
  background: var(--news-gold-bg);
  padding: 64px 0;
}

.page-news .catalog-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .catalog-figure {
  margin: 0;
  border: 1px solid var(--color-gold);
  background: var(--color-white);
}

.page-news .catalog-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.page-news .catalog-copy .section-head {
  margin-top: 0;
}

.page-news .catalog-copy .section-head .exhibit-num {
  background: var(--color-white);
}

.page-news .catalog-copy .section-title,
.page-news .catalog-copy .section-sub {
  color: var(--color-ink);
}

.page-news .catalog-copy > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-ink);
  max-width: 60ch;
  margin: 0 0 16px;
}

.page-news .catalog-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 24px;
  display: grid;
  gap: 10px;
}

.page-news .catalog-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--color-ink);
  line-height: 1.65;
}

.page-news .catalog-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  position: absolute;
  left: 0;
  top: 0.7em;
}

/* ===== 反馈成果回顾 ===== */
.page-news .news-feedback {
  background: var(--news-sand-bg);
  padding: 64px 0 72px;
}

.page-news .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.page-news .feedback-loop-figure {
  margin: 0;
  background: var(--color-white);
  border: 1px solid var(--color-metal);
  align-self: center;
}

.page-news .feedback-loop-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.page-news .feedback-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-news .feedback-stats .stat {
  background: var(--color-white);
  border: 1px solid var(--color-metal);
  padding: 20px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-news .feedback-stats .stat:hover {
  border-color: var(--color-blue);
  transform: translateY(-2px);
}

.page-news .feedback-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 27px;
  font-weight: 700;
  color: var(--color-blue);
  display: block;
  line-height: 1.2;
}

.page-news .feedback-stats .stat-label {
  font-size: 12px;
  color: var(--color-rock);
  margin-top: 6px;
  display: block;
  line-height: 1.5;
}

.page-news .feedback-results {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 32px 0;
}

.page-news .feedback-result-card {
  background: var(--color-white);
  border: 1px solid var(--color-metal);
  border-top: 3px solid var(--color-blue);
  padding: 20px 20px 24px;
}

.page-news .feedback-result-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--color-ink);
}

.page-news .feedback-result-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-rock);
  margin: 0;
}

.page-news .feedback-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-metal);
}

/* ===== 底部继续浏览 ===== */
.page-news .news-next {
  padding: 56px 0;
  background: var(--color-white);
}

.page-news .news-next-inner {
  border: 1px solid var(--color-metal);
  padding: 40px 24px;
  text-align: center;
  display: grid;
  gap: 16px;
  justify-items: center;
}

.page-news .news-next-inner .exhibit-label {
  color: var(--color-blue);
  margin-bottom: 0;
}

.page-news .news-next-inner h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 900;
  margin: 0;
  color: var(--color-ink);
  line-height: 1.3;
}

.page-news .news-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  justify-content: center;
}

.page-news .news-next-links a {
  color: var(--color-blue);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  padding: 4px 0;
}

.page-news .news-next-links a:hover {
  border-bottom-color: var(--color-blue);
  color: var(--color-blue-deep);
}

/* ===== 中屏适配 ===== */
@media (min-width: 640px) {
  .page-news .news-hero h1 {
    font-size: 44px;
  }

  .page-news .news-hero-stats .stat-value {
    font-size: 30px;
  }

  .page-news .news-masonry {
    columns: 2;
  }

  .page-news .news-card--featured {
    column-span: all;
  }

  .page-news .news-card h3 {
    font-size: 20px;
  }

  .page-news .iteration-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .iteration-stats .stat,
  .page-news .iteration-stats .stat:nth-child(even) {
    border-right: 1px solid var(--color-metal);
    border-bottom: none;
  }

  .page-news .iteration-stats .stat:last-child {
    border-right: none;
  }

  .page-news .feedback-results {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== 大屏适配 ===== */
@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 56px 0 88px;
  }

  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-news .news-hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-left: 32px;
    border-left: 1px solid rgba(255, 255, 255, 0.18);
  }

  .page-news .news-hero-stats .stat {
    padding: 18px 16px;
  }

  .page-news .section-title {
    font-size: 30px;
  }

  .page-news .iteration-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .catalog-panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: center;
  }

  .page-news .feedback-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 48px;
    align-items: center;
  }

  .page-news .feedback-stats .stat-value {
    font-size: 30px;
  }
}

/* ===== 桌面宽屏 Masonry 三列 ===== */
@media (min-width: 1024px) {
  .page-news .news-masonry {
    columns: 3;
  }

  .page-news .news-card--featured {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-card--featured .news-media,
  .page-news .news-card--featured .news-media img {
    height: 100%;
    object-fit: cover;
  }

  .page-news .news-card--featured .news-card-content {
    padding: 32px;
    align-self: center;
  }

  .page-news .news-card--featured h3 {
    font-size: 24px;
  }

  .page-news .news-next-inner h2 {
    font-size: 30px;
  }
}

/* ===== 减弱动态偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .feedback-stats .stat {
    transition: none;
  }

  .page-news .news-card:hover,
  .page-news .feedback-stats .stat:hover {
    transform: none;
  }
}