/* ============================================================
   更新资讯 / page-news
   画册式列表页：拼贴头条 + 左窄右宽条目流
   ============================================================ */

.page-news {
  display: block;
}

/* ---------- 头条区 ---------- */

.page-news .news-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-news .news-hero__head {
  max-width: 760px;
  min-width: 0;
}

.page-news .news-hero__head h1 {
  margin: 12px 0 0;
  font-size: clamp(29px, 5.4vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-news .news-hero__head .lead {
  margin-top: 18px;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 拼贴块 ---------- */

.page-news .news-hero__collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-news .news-tile {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-tile h2,
.page-news .news-tile h3 {
  margin: 12px 0 0;
  line-height: 1.35;
  color: var(--text);
}

.page-news .news-tile h2 {
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 800;
}

.page-news .news-tile h3 {
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
}

.page-news .news-tile p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-tile__meta {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-tile__num {
  margin-top: 14px;
  font-size: clamp(34px, 4.6vw, 52px);
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
}

.page-news .news-tile__num span {
  margin-left: 6px;
  font-size: 14px;
  color: var(--muted);
}

/* 主视觉块：图在上，文字在下 */
.page-news .news-tile--feature {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-news .news-tile--feature .news-tile__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-news .news-tile--feature .news-tile__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-tile--feature .news-tile__body {
  padding: clamp(18px, 2.4vw, 26px);
}

.page-news .news-tile--feature .news-tile__body p {
  color: var(--text);
  opacity: 0.82;
  max-width: 52ch;
}

.page-news .news-tile--adapt {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background-image: linear-gradient(160deg, var(--tint-violet), transparent 66%);
}

.page-news .news-tile--notice {
  border-left: 3px solid var(--amber);
}

.page-news .news-tile--topic {
  background-image: linear-gradient(120deg, var(--tint-lime), transparent 62%);
}

/* ---------- 栏目 ---------- */

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

.page-news .news-column {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(18px, 2.2vw, 24px);
  border-radius: var(--radius);
}

.page-news .news-column__media {
  margin-bottom: 16px;
}

.page-news .news-column__media .media__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

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

.page-news .news-column__flag {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  aspect-ratio: 3 / 2;
  margin-bottom: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 109, 0, 0.24), transparent 62%),
    repeating-linear-gradient(-8deg, rgba(232, 236, 255, 0.07) 0 1px, transparent 1px 14px),
    var(--ink-2);
}

.page-news .news-column__flag span {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-news .news-column__flag strong {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--amber);
}

.page-news .news-column__count {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-news .news-column h3 {
  margin: 8px 0 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--text);
}

.page-news .news-column p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-column__link {
  margin-top: auto;
  padding-top: 16px;
  font-size: 14px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-column__link:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 筛选条 ---------- */

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 条目流 ---------- */

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

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-top: 1px solid var(--line);
}

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

.page-news .news-item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 58px;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--violet));
  transform: skewX(-18deg);
  transform-origin: left center;
}

.page-news .news-item__index {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

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

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-item__time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .news-item__title {
  margin: 10px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--text);
}

.page-news .news-item__sum {
  margin: 8px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-item__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 4px 2px;
  border: 0;
  background: none;
  color: var(--lime);
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.page-news .news-item__toggle .disclosure__icon {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-news .news-item .disclosure[data-open] .disclosure__icon {
  transform: rotate(-135deg);
}

.page-news .news-item .disclosure__panel p {
  margin: 12px 0 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.86;
}

/* ---------- 更新节奏 ---------- */

.page-news .news-cadence {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-news .news-cadence__item {
  min-width: 0;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius);
  border-left: 3px solid var(--lime);
}

.page-news .news-cadence__item:nth-child(2) {
  border-left-color: var(--violet);
}

.page-news .news-cadence__item:nth-child(3) {
  border-left-color: var(--amber);
}

.page-news .news-cadence__kicker {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-news .news-cadence__item h3 {
  margin: 10px 0 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--text);
}

.page-news .news-cadence__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-cadence__note {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 历史专题 ---------- */

.page-news .news-series {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-news .news-series__item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-series__item:hover {
  transform: translateY(-4px);
  border-color: var(--lime);
}

.page-news .news-series__tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-news .news-series__item h3 {
  margin: 12px 0 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--text);
}

.page-news .news-series__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-series__more {
  margin-top: auto;
  padding-top: 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 收尾 ---------- */

.page-news .news-cta {
  padding: clamp(24px, 3.4vw, 44px);
  border-radius: var(--radius);
  background-image: linear-gradient(118deg, var(--tint-lime), transparent 58%);
}

.page-news .news-cta h2 {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
}

.page-news .news-cta p {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* ---------- 焦点可见 ---------- */

.page-news .news-item__toggle:focus-visible,
.page-news .news-column__link:focus-visible,
.page-news .news-series__item:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 780px) {
  .page-news .news-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: clamp(16px, 2.4vw, 34px);
    align-items: start;
  }

  .page-news .news-item__index {
    padding-top: 4px;
  }

  .page-news .news-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-series {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .news-hero__collage {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .news-tile--feature {
    grid-column: 1 / span 8;
    grid-row: 1;
  }

  .page-news .news-tile--adapt {
    grid-column: 9 / span 4;
    grid-row: 1;
  }

  .page-news .news-tile--notice {
    grid-column: 1 / span 4;
    grid-row: 2;
  }

  .page-news .news-tile--topic {
    grid-column: 5 / span 8;
    grid-row: 2;
  }
}

@media (min-width: 980px) {
  .page-news .news-columns {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-series__item,
  .page-news .news-item__toggle .disclosure__icon {
    transition: none;
  }

  .page-news .news-series__item:hover {
    transform: none;
  }
}