.page-news {
  --news-line: rgba(217, 226, 232, .6);
  --news-line-dark: rgba(255, 255, 255, .16);
  --news-offset: clamp(20px, 3vw, 40px);
  background: var(--moon);
}

.page-news .breadcrumbs {
  font-size: .82rem;
  letter-spacing: .04em;
}

.page-news .breadcrumbs__sep {
  margin: 0 .5em;
  opacity: .55;
}

.page-news .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-news .news-textlink {
  color: var(--coral-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  font-weight: 600;
}

.page-news .news-textlink:hover {
  color: var(--deep-sea);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  color: var(--moon);
  padding: clamp(100px, 14vw, 156px) 0 clamp(52px, 7vw, 84px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(30, 138, 138, .42), transparent 62%),
    linear-gradient(180deg, #0A2E4A 0%, #0C3A5C 58%, #0A2E4A 100%);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: -25% -12% auto -12%;
  height: 145%;
  pointer-events: none;
  background: repeating-linear-gradient(115deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 36px);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--tide), var(--coral));
}

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

.page-news .news-masthead .breadcrumbs {
  color: rgba(255, 255, 255, .62);
}

.page-news .news-masthead .breadcrumbs__link {
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
}

.page-news .news-masthead .breadcrumbs__link:hover {
  color: var(--coral);
}

.page-news .news-masthead .eyebrow {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .news-masthead h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 5.2vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  margin: .6rem 0 1.1rem;
  max-width: 20ch;
}

.page-news .news-masthead .lede {
  max-width: 62ch;
  color: rgba(255, 255, 255, .82);
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.9;
  margin: 0;
}

.page-news .news-index {
  list-style: none;
  margin: clamp(32px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--news-line-dark);
  border: 1px solid var(--news-line-dark);
  border-radius: var(--radius-card);
  overflow: hidden;
}

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

.page-news .news-index__link {
  display: grid;
  gap: 6px;
  align-content: start;
  height: 100%;
  padding: 20px 22px;
  background: rgba(6, 26, 43, .5);
  color: var(--moon);
  text-decoration: none;
  transition: background .35s var(--ease), transform .35s var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  background: rgba(30, 138, 138, .38);
  transform: translateY(-2px);
}

.page-news .news-index__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--coral);
}

.page-news .news-index__label {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: .02em;
}

.page-news .news-index__note {
  font-size: .82rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .62);
}

/* ---------- 章节色带 ---------- */
.page-news .section-band {
  align-items: center;
  gap: 14px;
}

.page-news .section-band__num {
  font-family: var(--font-mono);
  color: var(--coral);
}

.page-news .section-band__title {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.3;
  letter-spacing: -.005em;
}

.page-news .section-band__rule {
  flex: 1 1 auto;
  height: 1px;
  min-width: 24px;
  background: linear-gradient(90deg, var(--mist), transparent);
}

.page-news .news-eco__band .section-band__title {
  color: var(--moon);
}

.page-news .news-eco__band .section-band__rule {
  background: linear-gradient(90deg, rgba(255, 255, 255, .35), transparent);
}

/* ---------- 小标签 ---------- */
.page-news .news-chip {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .08em;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.page-news .news-chip--coral {
  background: rgba(255, 107, 74, .14);
  color: var(--coral-deep);
  border: 1px solid rgba(255, 107, 74, .4);
}

.page-news .news-chip--kelp {
  background: rgba(47, 125, 107, .12);
  color: var(--kelp);
  border: 1px solid rgba(47, 125, 107, .35);
}

.page-news .news-chip--amber {
  background: rgba(242, 184, 75, .18);
  color: var(--amber-ink);
  border: 1px solid rgba(242, 184, 75, .5);
}

/* ---------- 通用媒体 ---------- */
.page-news .media {
  margin: 0;
}

.page-news .media-frame {
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid var(--mist);
  background: linear-gradient(140deg, var(--deep-sea), var(--tide));
}

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

.page-news .media__caption {
  margin-top: .7rem;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 专题 ---------- */
.page-news .news-feature {
  background: var(--moon);
}

.page-news .news-feature__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-feature__media {
  position: relative;
}

.page-news .news-feature__media::after {
  content: "";
  position: absolute;
  top: 18px;
  left: 18px;
  width: 46px;
  height: 46px;
  border-top: 2px solid var(--coral);
  border-left: 2px solid var(--coral);
  pointer-events: none;
}

.page-news .news-feature__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 1.95rem);
  line-height: 1.34;
  margin: 1rem 0 .9rem;
  color: var(--deep-sea);
}

.page-news .news-feature__body p {
  line-height: 1.9;
  color: #26445c;
  margin: 0 0 1rem;
}

.page-news .news-lanes {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-lanes__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: baseline;
  padding: 11px 2px;
  border-bottom: 1px solid var(--news-line);
  transition: background .3s var(--ease), padding-left .3s var(--ease);
}

.page-news .news-lanes__row:hover {
  background: rgba(30, 138, 138, .07);
  padding-left: 10px;
}

.page-news .news-lanes__name {
  font-size: .95rem;
  color: var(--deep-sea);
  font-weight: 600;
}

.page-news .news-lanes__val {
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 700;
  color: var(--coral-deep);
}

.page-news .news-lanes__unit {
  font-size: .82rem;
  color: var(--steel);
}

.page-news .news-feature__foot {
  font-size: .95rem;
  color: var(--steel);
  line-height: 1.85;
}

/* ---------- 验收案例 ---------- */
.page-news .news-cases__grid {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-news .news-case {
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.page-news .news-case:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-news .news-case__media {
  margin-bottom: 0;
}

.page-news .news-case__media .media-frame {
  border-radius: 0;
  border: 0;
  border-bottom: 1px solid var(--mist);
}

.page-news .news-case__body {
  padding: clamp(18px, 2.4vw, 26px);
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.page-news .news-case__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.4;
  margin: 0;
  color: var(--deep-sea);
}

.page-news .news-case__body p {
  margin: 0;
  line-height: 1.85;
  color: #35536b;
  font-size: .95rem;
}

.page-news .news-case .panel__trigger {
  align-self: flex-start;
  margin-top: .3rem;
}

.page-news .panel__content p {
  margin: .5rem 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .news-cases__more {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 20px;
  border-top: 1px dashed var(--mist);
  font-size: .95rem;
  line-height: 1.9;
  color: var(--steel);
}

/* ---------- 客户端迭代 ---------- */
.page-news .news-client {
  background: var(--moon);
}

.page-news .news-client__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-client__intro p {
  line-height: 1.9;
  color: #26445c;
  margin: 1rem 0 0;
}

.page-news .news-client__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
  font-size: .95rem;
  color: var(--steel);
  padding: 14px 18px;
  border-radius: var(--radius-card);
  background: var(--sand);
  border-left: 4px solid var(--tide);
}

.page-news .news-client__stat .num {
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 700;
  color: var(--deep-sea);
  line-height: 1;
}

.page-news .news-client__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  margin: 0 .4rem;
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  position: relative;
  border-left: 2px solid var(--mist);
}

.page-news .news-timeline__item {
  position: relative;
  padding: 0 0 28px 4px;
}

.page-news .news-timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, .18);
}

.page-news .news-timeline__item h3 {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: .6rem 0 .5rem;
  color: var(--deep-sea);
  letter-spacing: -.01em;
}

.page-news .news-timeline__item p {
  margin: 0;
  line-height: 1.85;
  font-size: .95rem;
  color: #35536b;
}

/* ---------- 合作生态 ---------- */
.page-news .news-eco {
  position: relative;
}

.page-news .news-eco__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-eco .media-frame {
  border-color: rgba(255, 255, 255, .18);
}

.page-news .news-eco .media__caption {
  color: rgba(255, 255, 255, .6);
}

.page-news .news-eco__lead {
  margin: 0 0 1.2rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, .84);
}

.page-news .news-eco__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--news-line-dark);
  border: 1px solid var(--news-line-dark);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-news .news-eco__item {
  padding: 18px 20px;
  background: rgba(6, 26, 43, .55);
  transition: background .35s var(--ease);
}

.page-news .news-eco__item:hover {
  background: rgba(30, 138, 138, .26);
}

.page-news .news-eco__item h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-sans);
  font-size: .92rem;
  letter-spacing: .08em;
  color: var(--amber);
  font-weight: 600;
}

.page-news .news-eco__item p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, .76);
}

.page-news .news-eco__note {
  margin: 1.2rem 0 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--tide);
  line-height: 1.8;
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  background: var(--sand);
}

.page-news .news-next__inner {
  display: grid;
  gap: clamp(24px, 3.5vw, 44px);
  grid-template-columns: 1fr;
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--radius-card);
  border: 1px solid var(--mist);
  background: var(--moon);
  box-shadow: var(--shadow-lift);
}

.page-news .news-next__copy h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.3;
  margin: .6rem 0 .8rem;
  color: var(--deep-sea);
}

.page-news .news-next__copy p {
  margin: 0;
  line-height: 1.9;
  color: var(--steel);
}

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

.page-news .news-next__actions .btn {
  text-decoration: none;
}

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

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

  .page-news .news-case--lead {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news .news-timeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 32px);
    padding: 30px 0 0;
    border-left: 0;
    border-top: 2px solid var(--mist);
  }

  .page-news .news-timeline__item {
    padding: 0;
  }

  .page-news .news-timeline__item::before {
    left: 0;
    top: -37px;
  }
}

@media (min-width: 960px) {
  .page-news .news-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-feature__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-client__grid,
  .page-news .news-eco__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-news .news-next__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-news .news-cases__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .news-case--lead {
    grid-column: span 2;
  }

  .page-news .news-case:nth-child(3) {
    margin-top: var(--news-offset);
  }

  .page-news .news-case:nth-child(4) {
    margin-top: calc(var(--news-offset) / 2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__link,
  .page-news .news-case,
  .page-news .news-lanes__row,
  .page-news .news-eco__item {
    transition: none;
  }

  .page-news .news-index__link:hover,
  .page-news .news-case:hover {
    transform: none;
  }
}