/* ===== 页面专属：行业观察 /insights/ ===== */
.page-news {
  color: var(--color-text);
}

/* ---- 首屏增强 ---- */
.page-news__hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 2.5rem;
}
.page-news__hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 38%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent));
}
.page-news__hero .page-title {
  max-width: 15em;
  margin: 1.2rem 0 1.5rem;
}
.page-news__hero .lead {
  max-width: 42em;
}

/* ---- 区块通用头部 ---- */
.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem 1.5rem;
  margin-bottom: 2rem;
}
.page-news .section-head .kicker {
  flex-basis: 100%;
}
.page-news .section-head h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0;
  flex-basis: 100%;
}
.page-news .section-head .btn {
  margin-left: auto;
}

/* ---- 图片统一样式 ---- */
.page-news .figure-frame {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-news .news-feed__hero {
  margin-bottom: 2.75rem;
}

/* ---- 时间线新闻流 ---- */
.page-news .timeline {
  position: relative;
  margin: 0;
}
.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-line) 65%, transparent);
}
.page-news .timeline__item {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 1.5rem;
}
.page-news .timeline__dot {
  position: absolute;
  left: 0;
  top: 1rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow:
    0 0 0 4px var(--color-accent-dim),
    0 0 14px rgba(57, 255, 136, 0.45);
}
.page-news .timeline__card {
  position: relative;
  padding: 1.4rem 1.25rem 1.2rem;
}
.page-news .timeline__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}
.page-news .timeline__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}
.page-news .timeline__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-data);
  letter-spacing: 0.08em;
}
.page-news .timeline__tag {
  display: inline-block;
  padding: 0.18em 0.75em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent-2);
  background: var(--color-accent-2-dim);
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.page-news .timeline__card h3 {
  font-size: 1.08rem;
  font-weight: 900;
  line-height: 1.45;
  margin: 0 0 0.6rem;
}
.page-news .timeline__summary {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0 0 1rem;
}

/* ---- 新闻展开摘要 ---- */
.page-news .news-more {
  border-top: 1px dashed var(--color-line);
  padding-top: 0.6rem;
  margin-top: 0.2rem;
}
.page-news .news-more__trigger {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-data);
  letter-spacing: 0.05em;
  user-select: none;
  padding: 0;
  background: none;
  border: none;
}
.page-news .news-more__trigger::-webkit-details-marker {
  display: none;
}
.page-news .news-more__trigger::before {
  content: "+ 展开摘要";
}
.page-news .news-more[open] .news-more__trigger::before {
  content: "− 收起摘要";
}
.page-news .news-more__content {
  padding: 0.9rem 0 0.3rem;
}
.page-news .news-more__content p {
  margin: 0 0 0.8rem;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--color-text-dim);
}

/* ---- 专题区块 ---- */
.page-news .article-special {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(180deg, rgba(15, 36, 64, 0.55), rgba(10, 25, 48, 0)),
    var(--color-bg);
}
.page-news .special__hero {
  margin-bottom: 2rem;
  max-height: 320px;
  object-fit: cover;
  object-position: center;
}
.page-news .special__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}
.page-news .special__stat {
  padding: 1rem 1.1rem;
  background: rgba(15, 36, 64, 0.85);
  border-left: 2px solid var(--color-accent);
}
.page-news .special__stat .stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.page-news .special__stat .data-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--color-data);
  line-height: 1.2;
  margin-top: 0.35rem;
}
.page-news .special__stat .stat-unit {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-dim);
  margin-top: 0.2rem;
}

/* ---- 标签筛选 ---- */
.page-news .tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.page-news .tag-filter input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.page-news .tag-filter__label {
  display: inline-block;
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-dim);
  cursor: pointer;
  transition: all var(--transition);
}
.page-news .tag-filter__label:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}
.page-news .tag-filter input:checked + .tag-filter__label {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0A1930;
  font-weight: 700;
}

/* ---- 专题文章网格 ---- */
.page-news .article-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-news .article-item {
  position: relative;
  padding: 1.5rem 1.4rem 1.4rem;
}
.page-news .article-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: calc(100% - 14px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-data), transparent 80%);
}
.page-news .article-item[data-tag="realtime"]::before {
  background: linear-gradient(90deg, var(--color-accent), transparent 80%);
}
.page-news .article-item[data-tag="tech"]::before {
  background: linear-gradient(90deg, var(--color-accent-2), transparent 80%);
}
.page-news .article-item__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}
.page-news .article-item__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-data);
  letter-spacing: 0.06em;
}
.page-news .article-item__tag {
  display: inline-block;
  padding: 0.2em 0.7em;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(0, 229, 255, 0.14);
  color: var(--color-data);
}
.page-news .article-item[data-tag="realtime"] .article-item__tag {
  background: var(--color-accent-dim);
  color: var(--color-accent);
}
.page-news .article-item[data-tag="tech"] .article-item__tag {
  background: var(--color-accent-2-dim);
  color: var(--color-accent-2);
}
.page-news .article-item h3 {
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.5;
  margin: 0 0 0.65rem;
}
.page-news .article-item p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-text-dim);
  margin: 0 0 1rem;
}
.page-news .article-item__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 136, 0.4);
  padding-bottom: 0.1rem;
  transition: border-color var(--transition), color var(--transition);
}
.page-news .article-item__link:hover {
  color: var(--color-accent-2);
  border-bottom-color: var(--color-accent-2);
}

/* ---- 筛选交互逻辑 ---- */
.page-news #tag-calendar:checked ~ .article-grid .article-item:not([data-tag="calendar"]),
.page-news #tag-realtime:checked ~ .article-grid .article-item:not([data-tag="realtime"]),
.page-news #tag-tech:checked ~ .article-grid .article-item:not([data-tag="tech"]) {
  display: none;
}

/* ---- 更新公告 ---- */
.page-news .update-note__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-news .update-note__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .update-note__body .kicker {
  margin-bottom: 0.75rem;
}
.page-news .update-note__body h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  margin: 0 0 1.6rem;
}
.page-news .update-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .update-note__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--color-line);
}
.page-news .update-note__list li:first-child {
  padding-top: 0;
}
.page-news .update-note__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-news .update-note__ver {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  white-space: nowrap;
  padding-top: 0.2rem;
}
.page-news .update-note__list h3 {
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
}
.page-news .update-note__list p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--color-text-dim);
}

/* ---- 订阅提醒 ---- */
.page-news .subscribe-panel__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--color-bg-card);
  border-top: 2px solid var(--color-accent);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}
.page-news .subscribe-panel__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .subscribe-panel__text .kicker {
  margin-bottom: 0.75rem;
}
.page-news .subscribe-panel__text h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 900;
  margin: 0 0 1rem;
}
.page-news .subscribe-panel__text p {
  color: var(--color-text-dim);
  line-height: 1.75;
  margin: 0 0 1.4rem;
}
.page-news .subscribe-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* ---- 桌面增强 ---- */
@media (min-width: 640px) {
  .page-news .special__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 700px) {
  .page-news .article-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .page-news .timeline__card {
    padding: 1.6rem 1.6rem 1.4rem;
  }
}

@media (min-width: 800px) {
  .page-news .update-note__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 3rem;
  }
  .page-news .subscribe-panel__inner {
    grid-template-columns: 1fr 1.4fr;
    align-items: center;
    gap: 2.5rem;
    padding: 2.2rem 2.5rem;
  }
}

@media (min-width: 960px) {
  .page-news .timeline__item {
    padding-left: 2.5rem;
    margin-bottom: 1.75rem;
  }
  .page-news .timeline__dot {
    left: -0.75rem;
    top: 1.05rem;
    width: 14px;
    height: 14px;
  }
  .page-news .timeline::before {
    left: 0;
  }
  .page-news .timeline__card h3 {
    font-size: 1.15rem;
  }
  .page-news .article-item {
    padding: 1.75rem 1.6rem 1.5rem;
  }
}