.page-news {
  --news-gap: clamp(18px, 3vw, 32px);
  --news-ink-soft: rgba(11, 17, 24, 0.62);
  background: var(--c-bg);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(26px, 6vw, 60px)) 0 clamp(30px, 5vw, 56px);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(111, 168, 220, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(111, 168, 220, 0.22) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 76%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero .h-display {
  margin: 14px 0 18px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: 0.04em;
  color: var(--c-hi);
}

.page-news .news-hero .p-lead {
  max-width: 60ch;
  color: var(--c-body-strong);
}

/* 首屏参数锚点 */
.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 22px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--c-line);
}

.page-news .hero-stats .stat {
  min-width: 0;
}

.page-news .hero-stats .stat__value {
  display: block;
  font-size: clamp(1.7rem, 3.6vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--c-hi);
}

.page-news .hero-stats .stat:nth-child(2) .stat__value,
.page-news .hero-stats .stat:nth-child(4) .stat__value {
  color: var(--c-sel);
}

.page-news .stat__unit {
  margin-left: 3px;
  font-size: 0.52em;
  letter-spacing: 0.06em;
  color: var(--c-body);
}

.page-news .hero-stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-body);
}

/* 专题索引 */
.page-news .topic-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-news .topic-index a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 17px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: var(--c-surface);
  color: var(--c-body-strong);
  font-size: 0.875rem;
  line-height: 1;
  text-decoration: none;
  transition: border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.page-news .topic-index a .mono {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-mist);
  transition: color 0.25s ease;
}

.page-news .topic-index a:hover,
.page-news .topic-index a:focus-visible {
  border-color: var(--c-sel);
  color: var(--c-sel);
  box-shadow: 0 6px 18px rgba(11, 59, 111, 0.1);
}

.page-news .topic-index a:hover .mono {
  color: var(--c-sel);
}

.page-news .topic-index a[data-current="true"] {
  border-color: var(--c-amber);
  color: var(--c-hi);
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.4);
}

.page-news .topic-index a[data-current="true"] .mono {
  color: var(--c-amber);
}

/* ---------- 章节通用 ---------- */
.page-news .news-topic .topic-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .news-topic .index-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  line-height: 0.9;
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-mist);
  text-stroke: 1px var(--c-mist);
}

.page-news .news-topic .h-section {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--c-hi);
}

.page-news .news-topic .topic-head__body .p-body {
  max-width: 62ch;
  color: var(--c-body);
}

/* ---------- 01 选型方法 ---------- */
.page-news .topic-head__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-surface);
}

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

.page-news .post {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px) clamp(12px, 2vw, 20px);
  border-top: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-news .post:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-news .post:hover {
  background: linear-gradient(90deg, rgba(20, 115, 212, 0.06), rgba(34, 211, 238, 0.03) 60%, transparent 100%);
}

.page-news .post__no {
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.page-news .post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

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

.page-news .post__main .h-card {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
  line-height: 1.4;
}

.page-news .post__main .h-card a {
  color: var(--c-hi);
  text-decoration: none;
  background-image: linear-gradient(var(--c-sel), var(--c-sel));
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: color 0.25s ease, background-size 0.35s ease;
}

.page-news .post__main .h-card a:hover,
.page-news .post__main .h-card a:focus-visible {
  color: var(--c-sel);
  background-size: 100% 1px;
}

.page-news .post__main .p-body {
  margin: 0;
  color: var(--c-body);
  font-size: 0.9375rem;
}

.page-news .post__time {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-body);
  white-space: nowrap;
}

/* ---------- 02 项目现场 ---------- */
.page-news .field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .field-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  min-width: 0;
}

.page-news .field-card .card__body {
  padding: clamp(18px, 3vw, 28px);
}

.page-news .field-card .h-card {
  margin: 0 0 10px;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.4;
  color: var(--c-hi);
}

.page-news .field-card .p-body {
  margin: 0 0 14px;
  color: var(--c-body);
  font-size: 0.9375rem;
}

.page-news .field-meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--c-line);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-sel);
}

.page-news .field-card--wide {
  border-color: rgba(111, 168, 220, 0.6);
}

.page-news .field-footnote {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 0.9rem;
  color: var(--c-body);
}

.page-news .field-footnote a {
  color: var(--c-sel);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 115, 212, 0.35);
}

.page-news .field-footnote a:hover {
  border-bottom-color: var(--c-sel);
}

/* ---------- 03 供货与交付 ---------- */
.page-news .news-topic--deep {
  background: linear-gradient(180deg, rgba(6, 26, 46, 0.04), rgba(6, 26, 46, 0.08));
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-news .supply {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: start;
}

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

.page-news .supply-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 22px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
}

.page-news .supply-stats .stat {
  min-width: 0;
  border-left: 2px solid var(--c-cyan);
  padding-left: 14px;
}

.page-news .supply-stats .stat:nth-child(2n) {
  border-left-color: var(--c-amber);
}

.page-news .supply-stats .stat__value {
  display: block;
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  line-height: 1.1;
  color: var(--c-hi);
}

.page-news .supply-stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-body);
}

.page-news .supply-notes {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .supply-notes li {
  position: relative;
  padding-left: 26px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-body-strong);
}

.page-news .supply-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-sel);
}

.page-news .supply__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-surface);
}

/* ---------- 04 行业观察 ---------- */
.page-news .insight {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-news .insight__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-surface);
}

.page-news .insight-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-news .insight-list li {
  position: relative;
  padding-left: 24px;
  border-left: 1px solid var(--c-line);
}

.page-news .insight-list li::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 6px;
  width: 1px;
  height: 26px;
  background: var(--c-amber);
}

.page-news .insight-list .h-card {
  margin: 0 0 8px;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.4;
  color: var(--c-hi);
}

.page-news .insight-list .p-body {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-body);
}

/* ---------- 结尾 CTA ---------- */
.page-news .news-cta-wrap {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .news-cta {
  display: grid;
  gap: 24px;
  padding: clamp(28px, 5vw, 54px);
  border-radius: var(--r-lg);
  background-color: var(--c-deep);
  background-image:
    linear-gradient(to right, rgba(34, 211, 238, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 211, 238, 0.12) 1px, transparent 1px);
  background-size: 60px 60px;
  color: var(--c-on-deep);
}

.page-news .news-cta .eyebrow--on-deep {
  color: var(--c-cyan);
}

.page-news .news-cta .h-section {
  margin: 10px 0 14px;
  max-width: 26ch;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: #FFFFFF;
}

.page-news .news-cta__lead {
  max-width: 58ch;
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-on-deep-soft);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .post {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-news .post__time {
    grid-column: 2;
    color: var(--c-mist);
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: end;
  }

  .page-news .news-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-topic .topic-head {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }

  .page-news .news-topic .index-num {
    grid-row: 1;
  }

  .page-news .topic-head__media {
    grid-column: 2;
    margin-top: 6px;
  }

  .page-news .post {
    grid-template-columns: 88px minmax(0, 1fr) 120px;
    gap: 28px;
    align-items: start;
  }

  .page-news .post__time {
    grid-column: 3;
    text-align: right;
  }

  .page-news .field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-news .field-card--wide {
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .field-card--wide .media {
    flex: 1 1 48%;
    min-width: 0;
  }

  .page-news .field-card--wide .card__body {
    flex: 1 1 52%;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

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

@media (min-width: 1024px) {
  .page-news .supply {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-news .supply__media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

/* 图片统一约束 */
.page-news .media {
  position: relative;
  overflow: hidden;
  background: var(--c-line);
}

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

.page-news .media--4x3 {
  aspect-ratio: 4 / 3;
}

.page-news .media--16x9 {
  aspect-ratio: 16 / 9;
}

.page-news .media--1x1 {
  aspect-ratio: 1 / 1;
}

.page-news .field-card--wide .media {
  aspect-ratio: 4 / 3;
}

/* 动效：渐进增强 */
.page-news [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .page-news [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }

  .page-news [data-reveal][data-visible="true"] {
    opacity: 1;
    transform: none;
  }

  .page-news .news-topic[data-active="true"] .index-num {
    color: rgba(111, 168, 220, 0.16);
    transition: color 0.4s ease;
  }
}

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