/* ===== 行业观察 · page-news 专属样式 ===== */
.page-news {
  --news-bg: var(--color-offwhite);
  --news-surface: var(--color-white);
  --news-navy: var(--color-navy);
  --news-navy-deep: var(--color-navy-deep);
  --news-orange: var(--color-orange);
  --news-gold: var(--color-gold);
  --news-muted: #5B6B82;
  --news-line: #DCE4EF;
  --news-ink: var(--color-ink);
  --news-orange-deep: #E85A24;
  --news-gold-ink: #8A7200;
  background-color: var(--news-bg);
  color: var(--news-ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

/* ---------- 杂志式刊头 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 3px solid var(--news-navy);
  padding: var(--space-4) 0 var(--space-5);
  background: var(--news-bg);
}

.page-news .news-hero::before {
  content: "行业观察";
  position: absolute;
  top: 0.1em;
  right: -0.08em;
  z-index: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 14vw, 8rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(10, 31, 68, 0.18);
  white-space: nowrap;
  pointer-events: none;
}

.page-news .news-hero .breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: var(--space-4);
}

.page-news .news-hero__mast {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-top: 4px solid var(--news-navy);
  padding-top: var(--space-4);
}

.page-news .news-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--news-orange);
  margin-bottom: var(--space-2);
}

.page-news .news-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 2.4em;
  height: 2px;
  background: var(--news-orange);
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.5vw, 2.9rem);
  line-height: 1.16;
  color: var(--news-navy);
  margin: 0 0 var(--space-3);
  max-width: 15em;
  text-wrap: balance;
}

.page-news .news-hero__sub {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--news-muted);
  margin: 0;
  max-width: 36em;
}

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

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--news-line);
}

.page-news .news-hero__stat dt {
  font-size: 0.76rem;
  color: var(--news-muted);
  margin-bottom: 0.3em;
}

.page-news .news-hero__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--news-navy);
}

.page-news .news-hero__note {
  position: absolute;
  top: var(--space-5);
  right: 1.25rem;
  color: rgba(10, 31, 68, 0.45);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  z-index: 1;
}

.page-news .news-hero__rule {
  height: 8px;
  margin-top: var(--space-5);
  background: linear-gradient(90deg, var(--news-orange) 0 16%, var(--news-gold) 16% 30%, transparent 30% 64%, var(--news-navy) 64% 100%);
}

/* ---------- 推荐阅读 ---------- */
.page-news .news-featured {
  padding: var(--space-5) 0 var(--space-4);
}

.page-news .news-featured__card {
  display: flex;
  flex-direction: column;
  background: var(--news-surface);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  box-shadow: 0 12px 32px rgba(10, 31, 68, 0.1);
  overflow: hidden;
}

.page-news .news-featured__visual {
  position: relative;
  overflow: hidden;
  background: var(--news-navy);
}

.page-news .news-featured__visual img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.page-news .news-featured__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4) var(--space-5);
}

.page-news .news-featured__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-news .news-featured__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.28rem, 2.4vw, 1.75rem);
  line-height: 1.32;
  color: var(--news-navy);
  margin: 0;
}

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

.page-news .news-featured__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border-top: 1px dashed var(--news-line);
  padding-top: var(--space-3);
}

.page-news .news-featured__time {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--news-muted);
}

/* ---------- 最新文章 ---------- */
.page-news .news-articles {
  padding: var(--space-4) 0 var(--space-6);
}

.page-news .news-articles__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-news .news-articles__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--news-navy);
  margin: 0;
}

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

.page-news .news-filter {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0 var(--space-3);
  margin-bottom: var(--space-4);
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(247, 249, 252, 0.94);
}

.page-news .news-filter::-webkit-scrollbar {
  display: none;
}

.page-news .news-filter__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--news-muted);
}

.page-news .news-filter__item {
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.2;
  padding: 0.5em 1.2em;
  border: 1px solid var(--news-line);
  border-radius: 999px;
  background: var(--news-surface);
  color: var(--news-navy);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-news .news-filter__item:hover {
  border-color: var(--news-orange);
  color: var(--news-orange);
  transform: translateY(-1px);
}

.page-news .news-filter__item.is-active {
  background: var(--news-navy);
  border-color: var(--news-navy);
  color: var(--color-white);
}

.page-news .news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-news .news-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--news-surface);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  box-shadow: 0 6px 22px rgba(10, 31, 68, 0.06);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.page-news .news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(10, 31, 68, 0.14);
}

.page-news .news-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-news .news-card__time {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--news-muted);
}

.page-news .news-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  line-height: 1.34;
  color: var(--news-navy);
  margin: 0;
}

.page-news .news-card__summary {
  flex: 1 1 auto;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--news-muted);
  margin: 0;
}

.page-news .news-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border-top: 1px dashed var(--news-line);
  padding-top: var(--space-3);
  margin-top: auto;
}

.page-news .news-card__readmore {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--news-orange);
  transition: letter-spacing 0.2s ease;
}

.page-news .news-card:hover .news-card__readmore {
  letter-spacing: 0.04em;
}

.page-news .news-card__hashtag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--news-gold-ink);
}

.page-news .news-card__extern {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--news-navy);
  text-decoration: none;
  border-bottom: 1px solid var(--news-navy);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .news-card__extern:hover {
  color: var(--news-orange);
  border-color: var(--news-orange);
}

/* 图文媒体卡 */
.page-news .news-card--media {
  grid-column: 1 / -1;
  padding: 0;
}

.page-news .news-card__media {
  position: relative;
  overflow: hidden;
  background: var(--news-navy);
}

.page-news .news-card__media img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.page-news .news-card__media-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
}

/* ---------- 热门话题 ---------- */
.page-news .news-topics {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--news-navy);
  padding: var(--space-6) 0;
}

.page-news .news-topics::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  background: var(--news-orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0.18;
}

.page-news .news-topics__layout {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.page-news .news-topics__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-white);
  margin: 0;
}

.page-news .news-topics__sub {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
  margin: var(--space-2) 0 0;
}

.page-news .news-tagcloud {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-news .news-tagcloud__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.88rem;
  line-height: 1.2;
  padding: 0.55em 1.25em;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.07);
  color: var(--color-white);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-news .news-tagcloud__item::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--news-gold);
}

.page-news .news-tagcloud__item.is-hot::before {
  background: var(--news-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.28);
}

.page-news .news-tagcloud__item:hover {
  background: var(--news-orange);
  border-color: var(--news-orange);
  transform: translateY(-2px);
}

.page-news .news-topics__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.page-news .news-topics__caption {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-align: right;
  color: rgba(255, 255, 255, 0.55);
  margin: var(--space-2) 0 0;
}

/* ---------- 订阅提示 ---------- */
.page-news .news-subscribe {
  padding: var(--space-6) 0;
}

.page-news .news-subscribe__card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--news-navy-deep);
  color: var(--color-white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-news .news-subscribe__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
}

.page-news .news-subscribe__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.3;
  color: var(--color-white);
  margin: 0;
}

.page-news .news-subscribe__desc {
  font-size: 0.93rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.76);
  margin: 0;
}

.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.page-news .news-subscribe .btn--primary {
  background: var(--news-orange);
  border-color: var(--news-orange);
  color: var(--color-white);
}

.page-news .news-subscribe .btn--primary:hover {
  background: var(--news-orange-deep);
  border-color: var(--news-orange-deep);
}

.page-news .news-subscribe .btn--ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--color-white);
}

.page-news .news-subscribe .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.page-news .news-subscribe__visual img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* ---------- 平板布局 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: var(--space-5) 0 var(--space-6);
  }

  .page-news .news-hero__mast {
    display: grid;
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: var(--space-5);
  }

  .page-news .news-hero__stats {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--news-line);
    padding-left: var(--space-4);
  }

  .page-news .news-featured__card {
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .news-featured__visual {
    flex: 0 0 44%;
    min-height: 300px;
  }

  .page-news .news-featured__visual img {
    position: absolute;
    inset: 0;
    height: 100%;
  }

  .page-news .news-featured__body {
    flex: 1;
    padding: var(--space-5);
  }

  .page-news .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .news-card--wide,
  .page-news .news-card--media {
    grid-column: 1 / -1;
  }

  .page-news .news-card__media img {
    height: 280px;
  }

  .page-news .news-topics__layout {
    display: grid;
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: var(--space-5);
  }

  .page-news .news-subscribe__card {
    flex-direction: row;
  }

  .page-news .news-subscribe__content {
    flex: 1.2;
    padding: var(--space-5);
  }

  .page-news .news-subscribe__visual {
    flex: 1;
  }

  .page-news .news-subscribe__visual img {
    height: 100%;
    min-height: 260px;
  }
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 960px) {
  .page-news .news-hero__mast {
    grid-template-columns: 8fr 4fr;
    gap: var(--space-6);
  }

  .page-news .news-hero__note {
    right: 2rem;
    top: var(--space-6);
  }

  .page-news .news-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }

  .page-news .news-card--wide {
    grid-column: span 2;
  }

  .page-news .news-card--wide-desk {
    grid-column: span 2;
  }

  .page-news .news-card--media {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 0;
  }

  .page-news .news-card__media {
    min-height: 300px;
  }

  .page-news .news-card__media img {
    position: absolute;
    inset: 0;
    height: 100%;
  }

  .page-news .news-card__media-body {
    padding: var(--space-5);
    justify-content: center;
  }

  .page-news .news-topics {
    padding: var(--space-7) 0;
  }

  .page-news .news-topics__layout {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-6);
  }

  .page-news .news-subscribe__content {
    padding: var(--space-6) var(--space-5);
  }
}

/* ---------- 降低动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-card:hover,
  .page-news .news-filter__item,
  .page-news .news-filter__item:hover,
  .page-news .news-tagcloud__item,
  .page-news .news-tagcloud__item:hover,
  .page-news .news-card__readmore,
  .page-news .news-card__extern,
  .page-news .news-subscribe .btn--primary,
  .page-news .news-subscribe .btn--ghost {
    transition: none;
    transform: none;
  }
}