/* ===== 品牌日志 page-news ===== */
.page-news {
  --news-line: var(--c-border);
}

/* 面包屑 */
.page-news .breadcrumbs {
  padding-top: 1.25rem;
}

/* ===== 封面首屏 ===== */
.page-news .news-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.5rem) 0 2.25rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-border) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.16;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--c-accent) 0 22%, var(--c-highlight) 22% 24%, transparent 24% 100%);
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.75rem;
}

.page-news .news-hero__watermark {
  position: absolute;
  right: -0.04em;
  bottom: -0.22em;
  font-family: var(--f-head);
  font-size: clamp(5rem, 15vw, 11rem);
  line-height: 1;
  color: var(--c-secondary);
  opacity: 0.3;
  letter-spacing: -0.04em;
  z-index: 0;
  user-select: none;
  pointer-events: none;
}

.page-news .news-hero__kicker {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 0.8rem;
}

.page-news .news-hero h1 {
  font-family: var(--f-head);
  font-size: clamp(2.3rem, 5vw, 3.75rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-text);
  margin: 0 0 1rem;
}

.page-news .news-hero .lead {
  max-width: 36em;
  color: var(--c-muted);
  margin: 0;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.page-news .news-hero__stats .stat {
  background: var(--c-surface);
  border: 1px solid var(--news-line);
  border-left-width: 3px;
  border-left-color: var(--c-accent);
  padding: 0.9rem 1rem;
  min-height: 82px;
}

.page-news .news-hero__stats .stat:nth-child(2),
.page-news .news-hero__stats .stat:nth-child(4) {
  border-left-color: var(--c-highlight);
}

.page-news .news-hero__stats .stat__value {
  display: block;
  font-family: var(--f-mono);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.1;
  color: var(--c-highlight);
}

.page-news .news-hero__stats .stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

/* ===== 章节区块节奏 ===== */
.page-news .news-latest {
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-topics {
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-cta {
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

/* ===== 分类过滤行 ===== */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 1.25rem 0 1.5rem;
}

.page-news .news-filter__label {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  margin-right: 0.25rem;
}

.page-news .news-filter__link {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  text-decoration: none;
  font-size: 0.78rem;
  line-height: 1;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .news-filter__link:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.page-news .news-filter__link--active {
  border-color: var(--c-accent);
  background: var(--c-accent);
  color: var(--c-bg);
}

/* ===== 左右分栏 ===== */
.page-news .news-layout {
  display: grid;
  gap: 2.25rem;
  padding-top: 0.5rem;
}

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

.page-news .news-layout__side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

/* ===== 时间线文章列表 ===== */
.page-news .news-timeline {
  display: grid;
  gap: 0;
}

.page-news .news-card {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-card:first-child {
  padding-top: 0;
}

.page-news .news-card:last-child {
  border-bottom: 0;
}

.page-news .news-card::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--c-accent);
  transition: height 0.3s var(--ease);
}

.page-news .news-card:hover::after,
.page-news .news-card:focus-within::after {
  height: 100%;
}

.page-news .news-card__num {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--c-accent);
}

.page-news .news-card__num::after {
  content: '';
  height: 1px;
  flex: 1;
  background: var(--news-line);
}

.page-news .news-card__inner {
  display: grid;
  gap: 1.1rem;
}

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

.page-news .news-card__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.45s var(--ease);
}

.page-news .news-card:hover .news-card__img {
  transform: scale(1.02);
}

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
}

.page-news .news-card__date {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.page-news .news-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-news .news-card__title {
  margin: 0.35rem 0 0.6rem;
  font-family: var(--f-head);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--c-text);
  transition: color 0.25s var(--ease);
}

.page-news .news-card:hover .news-card__title {
  color: var(--c-accent);
}

.page-news .news-card__summary {
  margin: 0 0 1rem;
  color: var(--c-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

.page-news .news-card__link {
  margin-top: 0.2rem;
}

/* ===== 加载更多 ===== */
.page-news .news-loadmore {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.7rem 1rem 0.7rem 0;
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--c-accent);
}

.page-news .news-loadmore:hover {
  color: var(--c-text);
  border-color: var(--c-text);
}

/* ===== 侧边栏组件 ===== */
.page-news .news-digest {
  padding: 1.1rem;
}

.page-news .news-digest__title {
  margin: 0 0 0.8rem;
  font-family: var(--f-head);
  font-size: 1rem;
  color: var(--c-accent);
}

.page-news .news-digest__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.page-news .news-digest__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(46, 74, 110, 0.5);
}

.page-news .news-digest__row:last-child {
  border-bottom: 0;
}

.page-news .news-digest__row dt {
  color: var(--c-muted);
  font-size: 0.83rem;
}

.page-news .news-digest__row dd {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 0.86rem;
  color: var(--c-highlight);
}

.page-news .news-note {
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--c-accent);
  padding: 1.1rem;
  background: var(--c-surface);
}

.page-news .news-note__title {
  margin: 0 0 0.5rem;
  font-family: var(--f-head);
  font-size: 1rem;
  color: var(--c-text);
}

.page-news .news-note p {
  color: var(--c-muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0 0 1rem;
}

.page-news .news-trust {
  border: 1px dashed var(--news-line);
  padding: 1.1rem;
}

.page-news .news-trust .tag {
  margin-bottom: 0.6rem;
}

.page-news .news-trust p {
  color: var(--c-muted);
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0 0 0.6rem;
}

.page-news .news-trust__link {
  color: var(--c-highlight);
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid var(--c-highlight);
}

.page-news .news-trust__link:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

/* ===== 专题系列 ===== */
.page-news .news-topics__grid {
  display: grid;
  gap: 1rem;
  padding-top: 1.5rem;
}

.page-news .topic-card {
  position: relative;
  display: grid;
  gap: 0.55rem;
  align-content: start;
  padding: 1.5rem 1.3rem 1.6rem;
  background: var(--c-surface);
  border: 1px solid var(--news-line);
  text-decoration: none;
  color: var(--c-text);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-news .topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--c-accent);
}

.page-news .topic-card--brand::before {
  background: var(--c-highlight);
}

.page-news .topic-card--guide::before {
  background: var(--c-warning);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-visible {
  border-color: var(--c-accent);
  transform: translateY(-3px);
  background: var(--c-secondary);
  outline: none;
}

.page-news .topic-card__index {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-accent);
}

.page-news .topic-card--brand .topic-card__index {
  color: var(--c-highlight);
}

.page-news .topic-card--guide .topic-card__index {
  color: var(--c-warning);
}

.page-news .topic-card__title {
  margin: 0.2rem 0 0;
  font-family: var(--f-head);
  font-size: 1.05rem;
  line-height: 1.3;
}

.page-news .topic-card p {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.87rem;
  line-height: 1.65;
}

.page-news .topic-card__more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.3rem;
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--c-accent);
}

.page-news .topic-card__more::after {
  content: '→';
}

/* ===== CTA 区块 ===== */
.page-news .news-cta__panel {
  padding: 1.6rem;
}

.page-news .news-cta__panel h2 {
  margin: 0 0 0.7rem;
  font-family: var(--f-head);
  font-size: clamp(1.2rem, 3.5vw, 1.75rem);
  line-height: 1.25;
  color: var(--c-text);
}

.page-news .news-cta__panel p {
  margin: 0 0 1.25rem;
  color: var(--c-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== 平板断点 ===== */
@media (min-width: 768px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

  .page-news .news-card__inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: 2.5rem;
  }

  .page-news .news-layout__side {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    align-self: start;
  }

  .page-news .news-topics__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-news .news-card__title {
    font-size: 1.25rem;
  }
}

/* ===== 桌面时间线断点 ===== */
@media (min-width: 1024px) {
  .page-news .news-timeline {
    position: relative;
    padding-left: 6.5rem;
  }

  .page-news .news-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--c-accent) 0, var(--c-border) 55%, transparent 100%);
  }

  .page-news .news-card::before {
    content: '';
    position: absolute;
    top: 2.4rem;
    left: calc(-6.5rem - 4px);
    width: 9px;
    height: 9px;
    background: var(--c-bg-deep);
    border: 2px solid var(--c-accent);
  }

  .page-news .news-card__num {
    position: absolute;
    left: -6.5rem;
    top: 1.4rem;
    width: 5rem;
    justify-content: flex-end;
    text-align: right;
    font-size: 1.7rem;
    letter-spacing: 0;
    color: var(--c-accent);
  }

  .page-news .news-card__num::after {
    display: none;
  }

  .page-news .news-card:hover .news-card__inner {
    background: var(--c-surface);
  }
}

/* ===== 窄屏水印收拢 ===== */
@media (max-width: 479px) {
  .page-news .news-hero__watermark {
    display: none;
  }
}