/* ===========================================================
   更新观察 /trends/ —— 页面专属样式（作用域 .page-news）
   =========================================================== */

.page-news {
  --news-sticky-top: 104px;
}

.page-news .section {
  padding-block: 48px;
}

/* ---------- 章首深色面板 ---------- */

.page-news .news-hero {
  padding-top: 8px;
}

.page-news .news-hero__panel {
  position: relative;
  overflow: hidden;
  padding: 34px 20px 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--ink-900) 0%, var(--ink-700) 60%, var(--ink-500) 100%);
  color: var(--paper-100);
}

.page-news .news-hero__panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(228, 206, 154, 0.07) 0 1px,
    transparent 1px 30px
  );
}

.page-news .news-hero__eyebrow {
  color: var(--gold-300);
}

.page-news .news-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.page-news .news-hero__intro {
  max-width: 44ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(245, 240, 230, 0.84);
}

.page-news .news-hero__preview {
  position: relative;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline-dark);
}

.page-news .news-hero__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--hairline-dark);
  text-decoration: none;
  color: inherit;
}

.page-news .news-hero__num {
  grid-row: 1 / span 2;
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold-500);
}

.page-news .news-hero__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--paper-100);
  transition: color 0.2s var(--ease);
}

.page-news .news-hero__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(245, 240, 230, 0.62);
}

.page-news .news-hero__item:hover .news-hero__name,
.page-news .news-hero__item:focus-visible .news-hero__name {
  color: var(--gold-300);
}

/* ---------- 标签与条目 ---------- */

.page-news .news-index__head {
  display: grid;
  gap: 26px;
}

.page-news .news-index__figure img,
.page-news .news-version__figure img,
.page-news .news-pricing__figure img,
.page-news .news-blocks__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-news .news-index__body {
  margin-top: 36px;
  display: grid;
  gap: 30px;
}

.page-news .news-tags-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: var(--paper-000);
  color: var(--ink-700);
  font-size: 14px;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .news-tag:hover {
  background: var(--gold-300);
  border-color: var(--gold-500);
  color: var(--ink-900);
}

.page-news .news-tag__count {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--inkgold-600);
}

.page-news .news-tag:hover .news-tag__count {
  color: var(--ink-900);
}

.page-news .news-feed__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .entry-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-news .entry {
  border-top: 1px solid var(--hairline);
}

.page-news .entry--quarter {
  border-top-color: var(--gold-500);
}

.page-news .entry__summary {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 20px;
  gap: 12px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-news .entry__summary::-webkit-details-marker {
  display: none;
}

.page-news .entry__no {
  padding-top: 4px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
}

.page-news .entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .entry__time {
  font-size: 12px;
  color: var(--slate-400);
  letter-spacing: 0.04em;
}

.page-news .entry__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .entry__excerpt {
  display: block;
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-500);
}

.page-news .entry__toggle {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 5px;
}

.page-news .entry__toggle::before,
.page-news .entry__toggle::after {
  content: "";
  position: absolute;
  background: var(--inkgold-600);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-news .entry__toggle::before {
  left: 2px;
  right: 2px;
  top: 9px;
  height: 1.5px;
}

.page-news .entry__toggle::after {
  top: 2px;
  bottom: 2px;
  left: 9px;
  width: 1.5px;
}

.page-news .entry__details[open] .entry__toggle::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-news .entry__body {
  padding: 0 0 22px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-500);
}

.page-news .entry__body p + p {
  margin-top: 12px;
}

.page-news .entry__links {
  margin-top: 14px;
}

.page-news .news-link {
  color: var(--inkgold-600);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-link:hover {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

/* ---------- 版本迭代记录 ---------- */

.page-news .news-version__head {
  display: grid;
  gap: 26px;
}

.page-news .version-list {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .version {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--hairline);
}

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

.page-news .version--current {
  padding: 22px 18px;
  border-radius: var(--radius-md);
  background: rgba(78, 124, 116, 0.07);
}

.page-news .version__no {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gold-500);
}

.page-news .version__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .version__time {
  font-size: 12px;
  color: var(--slate-400);
  letter-spacing: 0.04em;
}

.page-news .version__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .version__text {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-500);
}

/* ---------- 价格公示记录 ---------- */

.page-news .news-pricing__grid {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-news .news-pricing .table td,
.page-news .news-pricing .table th {
  font-size: 14px;
}

.page-news .news-pricing .table td {
  line-height: 1.7;
  vertical-align: top;
}

.page-news .news-pricing__note {
  margin-top: 22px;
}

/* ---------- 板块上新记录 ---------- */

.page-news .news-blocks__grid {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

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

.page-news .block-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--hairline);
}

.page-news .block-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .block-item__no {
  padding-top: 5px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
}

.page-news .block-item__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .block-item__text {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-500);
}

/* ---------- 订阅与提醒 ---------- */

.page-news .news-updates__panel {
  padding: 34px 20px;
  border-radius: var(--radius-lg);
  background: var(--paper-200);
}

.page-news .news-updates__panel .section__title {
  margin-top: 10px;
}

.page-news .news-updates__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-news .news-updates__list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-500);
}

.page-news .news-updates__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 9px;
  height: 1.5px;
  background: var(--gold-500);
}

.page-news .news-updates__side {
  margin-top: 28px;
}

.page-news .news-updates__contact {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--paper-000);
}

.page-news .news-updates__contact-title {
  color: var(--inkgold-600);
}

.page-news .news-updates__lines {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .news-updates__lines li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-news .news-updates__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-400);
  padding-top: 2px;
}

.page-news .news-updates__val {
  word-break: break-word;
}

.page-news .news-updates__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-news .news-updates__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

/* ---------- 锚点定位 ---------- */

.page-news [id]:target {
  scroll-margin-top: var(--news-sticky-top);
}

.page-news .news-version:target .section__title,
.page-news .news-pricing:target .section__title,
.page-news .news-blocks:target .section__title,
.page-news .news-updates:target .section__title {
  box-shadow: inset 0 -8px 0 rgba(228, 206, 154, 0.65);
}

/* ---------- 中屏 ---------- */

@media (min-width: 720px) {
  .page-news .news-hero__panel {
    padding: 48px 40px 44px;
  }

  .page-news .entry__body {
    padding-left: 52px;
  }

  .page-news .news-updates__panel {
    padding: 44px 36px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-news .section {
    padding-block: 72px;
  }

  .page-news .news-hero__panel {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
    padding: 64px 56px;
  }

  .page-news .news-hero__preview {
    margin-top: 0;
  }

  .page-news .news-index__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-news .news-index__body {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 48px;
    margin-top: 52px;
  }

  .page-news .news-tags-rail {
    position: sticky;
    top: var(--news-sticky-top);
    align-self: start;
  }

  .page-news .news-tags-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .entry__summary {
    grid-template-columns: 56px minmax(0, 1fr) 20px;
    gap: 16px;
    padding: 24px 0;
  }

  .page-news .entry__body {
    padding-left: 72px;
  }

  .page-news .news-version__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-news .version {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 32px;
    padding: 26px 0;
  }

  .page-news .version--current {
    padding: 26px 24px;
  }

  .page-news .news-pricing__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 44px;
    margin-top: 36px;
  }

  .page-news .news-blocks__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
    margin-top: 36px;
  }

  .page-news .news-updates__panel {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    padding: 56px 48px;
    align-items: start;
  }

  .page-news .news-updates__side {
    margin-top: 0;
  }
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero__name,
  .page-news .news-tag,
  .page-news .entry__toggle::before,
  .page-news .entry__toggle::after,
  .page-news .news-link {
    transition: none;
  }

  .page-news .news-tags-rail {
    position: static;
  }
}