/* ============================================================
   更新与观察 / insights
   作用域：.page-news
   ============================================================ */

.page-news {
  --news-quiet: rgba(230, 238, 241, 0.62);
  --news-line: rgba(230, 238, 241, 0.14);
  --news-line-ink: rgba(11, 59, 79, 0.14);
  --news-gap: 20px;

  display: block;
  background: var(--deep);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}

.page-news .section {
  padding: 52px 0;
}

@media (min-width: 900px) {
  .page-news .section {
    padding: 88px 0;
  }
}

.page-news .section--deep {
  background: var(--deep);
  color: var(--mist);
}

.page-news .section--mist {
  background: var(--mist);
  color: var(--ink);
}

.page-news .section--paper {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 24px 0 4px;
  color: var(--news-quiet);
}

.page-news .news-crumb a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .news-crumb a:hover,
.page-news .news-crumb a:focus-visible {
  border-bottom-color: var(--sand);
}

.page-news .news-crumb .crumb__sep {
  color: var(--news-quiet);
}

.page-news .news-crumb .crumb__current {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 18px;
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
    margin-top: 26px;
  }
}

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

.page-news .news-hero h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.06em;
  margin: 14px 0 0;
  color: var(--mist);
  text-wrap: balance;
}

.page-news .news-hero .lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--news-quiet);
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.page-news .news-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-news .news-hero__facts .mono {
  font-size: 22px;
  color: var(--sand);
  letter-spacing: 0.02em;
}

.page-news .news-hero__facts li span:last-child {
  font-size: 12px;
  letter-spacing: 0.1em;
  font-family: var(--font-title);
  color: var(--news-quiet);
}

.page-news .news-hero__img {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--tide), var(--ink));
}

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

/* ---------- 摘要卡 ---------- */
.page-news .news-hero__sub {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--sand);
  margin: 52px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--news-line);
}

.page-news .news-digest {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

@media (min-width: 960px) {
  .page-news .news-digest {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 20px;
  }
  .page-news .news-digest > :nth-child(2) {
    margin-top: 34px;
  }
  .page-news .news-digest > :nth-child(3) {
    margin-top: 68px;
  }
}

.page-news .digest {
  background: var(--tide);
  border: 1px solid var(--news-line);
  border-radius: var(--r-md);
  padding: 22px 20px;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.page-news .digest:hover,
.page-news .digest:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--lift);
  border-color: rgba(232, 192, 122, 0.42);
}

.page-news .digest:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
}

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

.page-news .digest__ver {
  font-size: 15px;
  color: var(--sand);
  letter-spacing: 0.04em;
}

.page-news .digest__time {
  font-family: var(--font-title);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--news-quiet);
}

.page-news .digest__title {
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin: 14px 0 0;
  color: var(--mist);
}

.page-news .digest__sum {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-quiet);
}

.page-news .digest__more {
  max-height: 260px;
  opacity: 1;
  transition: max-height 300ms var(--ease), opacity 300ms var(--ease), margin-top 300ms var(--ease);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--news-line);
}

.page-news .digest__more p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

@media (hover: hover) and (min-width: 960px) {
  .page-news .digest__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
  }
  .page-news .digest:hover .digest__more,
  .page-news .digest:focus-within .digest__more {
    max-height: 280px;
    opacity: 1;
    margin-top: 12px;
    padding-top: 12px;
    border-top-color: var(--news-line);
  }
}

/* ---------- 通用章节头 ---------- */
.page-news .news-head {
  max-width: 46em;
}

.page-news .news-head__title {
  font-family: var(--font-title);
  font-size: clamp(23px, 4.4vw, 34px);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.35;
  margin: 12px 0 0;
  color: var(--mist);
}

.page-news .news-head__desc {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--news-quiet);
}

.page-news .news-head--ink .news-head__title {
  color: var(--ink);
}

.page-news .news-head--ink .news-head__desc {
  color: rgba(6, 35, 47, 0.72);
}

.page-news .news-head--ink .sidenote {
  color: var(--tide);
}

.page-news .sidenote {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--sand);
  margin: 0;
}

/* ---------- 版本公告 ---------- */
.page-news .news-release {
  border-top: 1px solid var(--news-line);
}

.page-news .news-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 30px;
}

.page-news .news-tab {
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--news-line);
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: background-color 200ms var(--ease), color 200ms var(--ease),
    border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .news-tab:hover {
  background: rgba(232, 192, 122, 0.14);
  border-color: var(--sand);
  transform: translateX(3px);
}

.page-news .news-tab[aria-pressed="true"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--ink);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
}

.page-news .news-release__body {
  display: grid;
  gap: 30px;
}

@media (min-width: 980px) {
  .page-news .news-release__body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 44px;
    align-items: start;
  }
}

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

.page-news .news-release__tip {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--news-quiet);
  padding: 16px 18px;
  border-radius: var(--r-sm);
  background: rgba(20, 86, 110, 0.55);
  border-left: 3px solid var(--sand);
}

.page-news .news-release__tip a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 192, 122, 0.5);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .news-release__tip a:hover,
.page-news .news-release__tip a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

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

.page-news .rel-item {
  background: var(--tide);
  border: 1px solid var(--news-line);
  border-radius: var(--r-md);
  padding: 20px;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.page-news .rel-item:hover,
.page-news .rel-item:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--lift);
  border-color: rgba(232, 192, 122, 0.42);
}

@media (min-width: 820px) {
  .page-news .rel-item {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 26px;
    padding: 24px 26px;
  }
}

.page-news .rel-item__stamp {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

@media (min-width: 820px) {
  .page-news .rel-item__stamp {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-bottom: 0;
  }
}

.page-news .rel-item__ver {
  font-size: 21px;
  letter-spacing: 0.02em;
  color: var(--sand);
}

.page-news .rel-item__time {
  font-family: var(--font-title);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--news-quiet);
  white-space: nowrap;
}

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

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

.page-news .rel-item__title {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin: 0;
  color: var(--mist);
  flex: 1 1 14em;
  min-width: 0;
}

.page-news .rel-item__facts {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--news-line);
  display: grid;
  gap: 14px;
}

@media (min-width: 700px) {
  .page-news .rel-item__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 30px;
  }
}

.page-news .rel-item__facts .fact {
  min-width: 0;
}

.page-news .fact dt {
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--sand);
  margin-bottom: 5px;
}

.page-news .fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 文档更新 ---------- */
.page-news .news-docs__grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 940px) {
  .page-news .news-docs__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 52px;
    align-items: start;
  }
}

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

.page-news .news-docs__figure {
  margin: 0;
}

@media (min-width: 940px) {
  .page-news .news-docs__figure {
    position: sticky;
    top: calc(var(--mast-h) + 24px);
  }
}

.page-news .doc-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .doc-row {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--news-line-ink);
  border-left: 4px solid var(--moss);
  border-radius: var(--r-sm);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-left-color 220ms var(--ease);
}

.page-news .doc-row:hover,
.page-news .doc-row:focus-within {
  transform: translateX(4px);
  box-shadow: 0 8px 20px rgba(11, 59, 79, 0.14);
  border-left-color: var(--coral);
}

@media (min-width: 760px) {
  .page-news .doc-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
    padding: 18px 22px;
  }
}

.page-news .doc-row__main {
  min-width: 0;
}

.page-news .doc-row__title {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin: 0;
  color: var(--ink);
}

.page-news .doc-row__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(6, 35, 47, 0.7);
}

.page-news .doc-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .doc-row__meta span {
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: rgba(11, 59, 79, 0.07);
  color: var(--tide);
  white-space: nowrap;
}

/* ---------- 功能解读 ---------- */
.page-news .news-note__grid {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-news .news-note__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }
}

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

.page-news .news-note__title {
  font-family: var(--font-title);
  font-size: clamp(22px, 4.2vw, 32px);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.4;
  margin: 14px 0 0;
  color: var(--ink);
  text-wrap: balance;
}

.page-news .news-note__sign {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 2px solid var(--coral);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(6, 35, 47, 0.68);
  max-width: 24em;
}

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

.page-news .prose p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.95;
  color: rgba(6, 35, 47, 0.86);
  max-width: 36em;
}

.page-news .prose p:last-child {
  margin-bottom: 0;
}

.page-news .prose a {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 98, 74, 0.45);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .prose a:hover,
.page-news .prose a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---------- 运营手记 ---------- */
.page-news .log-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
}

.page-news .log-item {
  display: grid;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid var(--news-line);
}

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

@media (min-width: 820px) {
  .page-news .log-item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 32px;
    padding: 26px 0;
  }
}

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

.page-news .log-item__stamp .mono {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sand);
}

.page-news .log-item__cat {
  font-family: var(--font-title);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--news-quiet);
  padding: 3px 10px;
  border: 1px solid var(--news-line);
  border-radius: var(--r-pill);
  white-space: nowrap;
}

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

.page-news .log-item__title {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.55;
  margin: 0 0 8px;
  color: var(--mist);
}

.page-news .log-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--news-quiet);
  max-width: 44em;
}

.page-news .news-log__figure {
  margin: 40px 0 0;
}

/* ---------- 季度归档 ---------- */
.page-news .arch-list {
  margin: 30px 0 0;
  display: grid;
  gap: 12px;
}

.page-news .arch-item {
  background: var(--tide);
  border: 1px solid var(--news-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 240ms var(--ease);
}

.page-news .arch-item[open] {
  border-color: rgba(232, 192, 122, 0.4);
}

.page-news .arch-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 18px 20px;
  transition: background-color 200ms var(--ease);
}

.page-news .arch-item summary::-webkit-details-marker {
  display: none;
}

.page-news .arch-item summary:hover {
  background: rgba(232, 192, 122, 0.08);
}

.page-news .arch-item summary:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: -3px;
}

.page-news .arch-item__label {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .arch-item__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sand);
}

.page-news .arch-body {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--news-line);
  margin-top: -1px;
}

.page-news .arch-body p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--news-quiet);
  max-width: 44em;
}

.page-news .arch-body a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 192, 122, 0.5);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .arch-body a:hover,
.page-news .arch-body a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-news .news-archive__foot {
  margin-top: 32px;
  padding: 20px 22px;
  border-radius: var(--r-md);
  background: rgba(20, 86, 110, 0.5);
  border-left: 4px solid var(--coral);
}

.page-news .news-archive__foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--news-quiet);
  max-width: 46em;
}

.page-news .news-archive__foot a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 192, 122, 0.5);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .news-archive__foot a:hover,
.page-news .news-archive__foot a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---------- 图片通用 ---------- */
.page-news .figure {
  margin: 0;
}

.page-news .figure__img {
  display: block;
  border-radius: var(--r-md);
  overflow: hidden;
  background: linear-gradient(150deg, var(--tide), var(--ink));
}

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

.page-news .figure__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-title);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--stone);
}

.page-news .section--deep .figure__cap {
  color: var(--news-quiet);
}

/* ---------- 焦点可见性 ---------- */
.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible,
.page-news .digest:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(232, 192, 122, 0.22);
  border-radius: var(--r-sm);
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}