/* ===== 最新动态页（page-news）专属样式 ===== */
.page-news {
  --news-blue: var(--blue);
  --news-blue-deep: var(--blue-deep);
  --news-gold: var(--gold);
  --news-gold-dark: var(--gold-dark);
  --news-ink: var(--ink);
  --news-gray: var(--gray);
  --news-line: var(--line);
  --news-cloud: #F2F5F8;
  --news-space: clamp(2.5rem, 6vw, 4.25rem);
  background: var(--news-cloud);
  position: relative;
}

/* 数据纸网格背景 */
.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 91, 148, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 91, 148, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

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

/* ===== 首屏视觉 ===== */
.page-news .news-hero {
  position: relative;
  z-index: 1;
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0 2px, transparent 2px 14px),
    linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, transparent 40%),
    var(--news-blue-deep);
  color: #FFFFFF;
  padding: 3rem 0 2.5rem;
  border-bottom: 2px solid var(--news-gold);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--news-gold) 0 8px, transparent 8px 16px);
  opacity: 0.5;
}

.page-news .news-hero__content {
  max-width: 760px;
}

.page-news .news-hero__kicker {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  margin: 2rem 0 0.75rem;
}

.page-news .news-hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.08;
  font-weight: 800;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.page-news .news-hero__title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--news-gold);
  margin-top: 1.25rem;
}

.page-news .news-hero__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 64ch;
}

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

/* ===== 头条文章 ===== */
.page-news .news-feature {
  position: relative;
  z-index: 1;
  padding: var(--news-space) 0 0;
}

.page-news .news-feature__grid {
  display: grid;
  gap: 0;
  border: 1px solid var(--news-line);
  background: #FFFFFF;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-news .news-feature__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--news-line);
}

.page-news .news-feature__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 91, 148, 0.1), transparent 42%);
  pointer-events: none;
}

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

.page-news .news-feature__body {
  padding: 1.5rem 1.25rem 2rem;
}

.page-news .news-feature__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-news .news-feature__category,
.page-news .timeline-item__category {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.6rem;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--news-blue-deep);
  background: var(--news-line);
  border-radius: 2px;
}

.page-news .news-feature__time,
.page-news .timeline-item__time {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--news-gray);
}

.page-news .news-feature__title {
  font-size: 1.5rem;
  line-height: 1.3;
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.page-news .news-feature__body > p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--news-ink);
  margin: 0 0 1.25rem;
}

.page-news .news-feature__body .btn {
  margin-top: 0.25rem;
}

/* ===== 时间线区域 ===== */
.page-news .news-timeline {
  position: relative;
  z-index: 1;
  padding: var(--news-space) 0;
}

.page-news .news-timeline .section-heading {
  margin-bottom: 2rem;
}

.page-news .news-timeline__list {
  position: relative;
  margin: 0;
}

.page-news .timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.page-news .timeline-item__axis {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.page-news .timeline-item__version {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--news-blue-deep);
  color: #FFFFFF;
  font-family: var(--font-data);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.35rem 0.7rem;
  border-radius: 2px;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-news .timeline-item__version:hover {
  background: var(--news-blue);
  transform: translateY(-1px);
}

.page-news .timeline-item__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--news-blue);
  letter-spacing: 0.08em;
}

.page-news .timeline-item__card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--news-blue);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.25rem 1.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news .timeline-item__card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--news-gold);
  border-right: 2px solid var(--news-gold);
  opacity: 0.7;
}

.page-news .timeline-item__card:hover {
  border-color: rgba(30, 91, 148, 0.35);
  box-shadow: 0 2px 4px rgba(18, 59, 94, 0.06), 0 16px 40px rgba(18, 59, 94, 0.12);
}

.page-news .timeline-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.page-news .timeline-item__category {
  transition: color 0.2s ease, background-color 0.2s ease;
}

.page-news .timeline-item:hover .timeline-item__category {
  background: var(--news-gold);
  color: #FFFFFF;
}

.page-news .timeline-item:target .timeline-item__card {
  border-left-color: var(--news-gold);
  box-shadow: 0 2px 4px rgba(18, 59, 94, 0.08), 0 16px 40px rgba(30, 91, 148, 0.14);
}

.page-news .timeline-item__card h3 {
  font-size: 1.125rem;
  line-height: 1.4;
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.page-news .timeline-item__card > p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--news-ink);
  margin: 0 0 1rem;
}

.page-news .timeline-item__link {
  display: inline-flex;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--news-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--news-gold);
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

.page-news .timeline-item__link:hover {
  color: var(--news-gold-dark);
}

.page-news .news-timeline__figure {
  margin: 1rem 0 0;
}

.page-news .news-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--news-line);
}

.page-news .news-timeline__figure--android img {
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}

.page-news .news-timeline__figure figcaption {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--news-gray);
  padding-top: 0.5rem;
}

/* ===== 品牌动态 ===== */
.page-news .news-brand {
  position: relative;
  z-index: 1;
  background: var(--news-blue-deep);
  color: #FFFFFF;
  border-top: 2px solid var(--news-gold);
  padding: var(--news-space) 0;
}

.page-news .news-brand .section-heading {
  margin-bottom: 1.5rem;
}

.page-news .news-brand .section-heading h2 {
  color: #FFFFFF;
}

.page-news .news-brand .section-heading__en {
  color: rgba(255, 255, 255, 0.45);
}

.page-news .news-brand .section-heading p {
  color: rgba(255, 255, 255, 0.7);
}

.page-news .news-brand__grid {
  display: grid;
  gap: 1rem;
}

.page-news .news-brand__card {
  position: relative;
  padding: 1.5rem 1.25rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-news .news-brand__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--news-gold);
}

.page-news .news-brand__card:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(255, 255, 255, 0.09);
}

.page-news .news-brand__index {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.5rem;
  color: rgba(212, 175, 55, 0.55);
  margin-bottom: 1rem;
}

.page-news .news-brand__card h3 {
  font-size: 1rem;
  line-height: 1.45;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: #FFFFFF;
}

.page-news .news-brand__card p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* ===== 底部引导 ===== */
.page-news .news-cta {
  position: relative;
  z-index: 1;
  background: #FFFFFF;
  border-top: 1px solid var(--news-line);
  padding: var(--news-space) 0;
}

.page-news .news-cta .container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-news .news-cta p {
  margin: 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--news-ink);
  position: relative;
  padding-left: 1rem;
  border-left: 3px solid var(--news-gold);
}

.page-news .news-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.page-news .news-cta .btn--ghost {
  border-color: var(--news-blue);
  color: var(--news-blue);
}

.page-news .news-cta .btn--ghost:hover {
  background: var(--news-blue);
  color: #FFFFFF;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-news .news-hero {
    padding: 5rem 0 3.5rem;
  }

  .page-news .news-hero__kicker {
    margin-top: 3rem;
  }

  .page-news .news-feature__grid {
    grid-template-columns: 1.3fr 1fr;
  }

  .page-news .news-feature__media img {
    height: 100%;
    object-fit: cover;
  }

  .page-news .news-feature__body {
    padding: 2rem 2rem;
  }

  .page-news .news-feature__title {
    font-size: 1.75rem;
  }

  .page-news .news-timeline .section-heading {
    margin-bottom: 2.5rem;
  }

  .page-news .news-timeline__list::before {
    content: "";
    position: absolute;
    top: 0.5rem;
    bottom: 0.5rem;
    left: 170px;
    width: 2px;
    background: linear-gradient(180deg, var(--news-blue), rgba(30, 91, 148, 0.25));
    opacity: 0.35;
  }

  .page-news .timeline-item {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 2.25rem;
  }

  .page-news .timeline-item__axis {
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    margin: 1rem 0 0;
    gap: 0.5rem;
  }

  .page-news .timeline-item__axis::after {
    content: "";
    position: absolute;
    top: 1.25rem;
    right: -4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--news-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
  }

  .page-news .timeline-item__version {
    font-size: 1.125rem;
  }

  .page-news .timeline-item__card {
    padding: 1.5rem 1.75rem 1.75rem;
  }

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

@media (min-width: 992px) {
  .page-news .news-brand__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .news-cta .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}