.page-news {
  --news-rail: 216px;
  --news-gap: clamp(18px, 2.4vw, 34px);
  position: relative;
  display: block;
}

.page-news__crumb {
  padding-top: clamp(14px, 2vw, 22px);
  padding-bottom: clamp(8px, 1.4vw, 14px);
}

/* ---------- 首屏声明 ---------- */
.page-news .topic-mast {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: clamp(24px, 3.4vw, 40px);
}

.page-news .topic-mast__inner {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .topic-mast__title {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-news .topic-mast__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--text-soft);
}

.page-news .topic-stats {
  list-style: none;
  margin: clamp(8px, 1.6vw, 16px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-news .topic-stats__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: var(--blue-700);
}

.page-news .topic-stats__num {
  font-size: var(--fs-20);
  color: var(--cyan-500);
  letter-spacing: 0.02em;
}

.page-news .topic-stats__label {
  font-size: var(--fs-12);
  color: var(--text-soft);
}

.page-news .topic-cover {
  margin: clamp(20px, 3vw, 36px) 0 0;
}

.page-news .topic-cover .media__frame {
  border: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}

.page-news .topic-cover .media__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(18, 214, 200, 0.16) 0 1px, transparent 1px 64px);
  pointer-events: none;
}

/* ---------- 章节通用 ---------- */
.page-news .topic-section {
  padding: clamp(40px, 6vw, 76px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .topic-section--last {
  border-bottom: 0;
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-news .section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "index title"
    ".     note";
  gap: 6px 14px;
  align-items: baseline;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-news .section-head__index {
  grid-area: index;
  color: var(--cyan-500);
  font-size: var(--fs-14);
  padding-top: 6px;
  border-top: 2px solid var(--cyan-500);
}

.page-news .section-head__title {
  grid-area: title;
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-news .section-head__note {
  grid-area: note;
  margin: 0;
  font-size: var(--fs-14);
  color: var(--text-soft);
  max-width: 56ch;
}

/* ---------- 六栏目：左栏 + 错落卡片 ---------- */
.page-news .topic-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .topic-aside {
  border-left: 1px solid var(--line-soft);
  padding-left: 16px;
}

.page-news .topic-aside__heading {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  color: var(--text-mute);
  letter-spacing: 0.14em;
}

.page-news .topic-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 16px;
}

.page-news .topic-aside__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-14);
  color: var(--text-soft);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .topic-aside__link:hover,
.page-news .topic-aside__link:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-500);
}

.page-news .topic-aside__note {
  margin: 14px 0 0;
  font-size: var(--fs-12);
  color: var(--text-mute);
}

.page-news .dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  display: inline-block;
}

.page-news .dot--live {
  background: var(--cyan-500);
}

.page-news .dot--idle {
  background: var(--line-300);
}

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

.page-news .col-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-soft);
  background: transparent;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .col-card:hover,
.page-news .col-card:focus-within {
  border-color: var(--cyan-500);
  transform: translateY(-2px);
}

.page-news .col-card__flag {
  position: relative;
  height: 52px;
  background: linear-gradient(90deg, var(--blue-700), var(--blue-500));
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .col-card__flag::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(18, 214, 200, 0.24) 0 1px, transparent 1px 26px);
}

.page-news .col-card:nth-child(2) .col-card__flag {
  height: 84px;
  background: linear-gradient(120deg, var(--blue-500), var(--blue-900));
}

.page-news .col-card:nth-child(3) .col-card__flag {
  height: 40px;
  background: linear-gradient(90deg, var(--cyan-700), var(--blue-700));
}

.page-news .col-card:nth-child(4) .col-card__flag {
  height: 68px;
  background: linear-gradient(200deg, var(--blue-700), var(--blue-500));
}

.page-news .col-card:nth-child(5) .col-card__flag {
  height: 56px;
  background: linear-gradient(90deg, var(--blue-900), var(--blue-500), var(--cyan-700));
}

.page-news .col-card:nth-child(6) .col-card__flag {
  height: 92px;
  background: linear-gradient(160deg, var(--blue-500), var(--blue-900) 82%);
}

.page-news .col-card__body {
  padding: 16px 16px 20px;
  display: grid;
  gap: 8px;
}

.page-news .col-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  font-size: var(--fs-12);
}

.page-news .col-card__no {
  color: var(--text-mute);
  letter-spacing: 0.1em;
}

.page-news .col-card__state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-soft);
}

.page-news .col-card__title {
  margin: 0;
  font-size: var(--fs-20);
  line-height: 1.3;
}

.page-news .col-card__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-soft);
}

.page-news .col-card__for {
  margin: 4px 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-12);
  color: var(--text-mute);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .rhythm__text {
  display: grid;
  gap: 14px;
}

.page-news .rhythm__para {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 58ch;
}

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

.page-news .rhythm__figure .media__frame {
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .rhythm-cards {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border-top: 1px solid var(--line-soft);
}

.page-news .rhythm-card {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .rhythm-card__key {
  margin: 0 0 6px;
  font-size: var(--fs-12);
  color: var(--cyan-500);
  letter-spacing: 0.16em;
}

.page-news .rhythm-card__title {
  margin: 0 0 6px;
  font-size: var(--fs-20);
}

.page-news .rhythm-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 系列区块 ---------- */
.page-news .series {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: start;
}

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

.page-news .series__figure .media__frame {
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .series__body {
  display: grid;
  gap: 14px;
}

.page-news .series__lede {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 60ch;
}

.page-news .series__foot {
  margin: 4px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan-500);
  background: var(--blue-700);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .entry__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: var(--fs-12);
  color: var(--text-mute);
  letter-spacing: 0.06em;
}

.page-news .entry__body {
  display: grid;
  gap: 6px;
}

.page-news .entry__title {
  margin: 0;
  font-size: var(--fs-20);
  line-height: 1.35;
  transition: color var(--dur) var(--ease);
}

.page-news .entry:hover .entry__title {
  color: var(--cyan-500);
}

.page-news .entry__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 60ch;
}

.page-news .entry__pop {
  display: none;
  margin: 0;
}

.page-news .entry-list--sub {
  border-bottom: 0;
  padding-left: 0;
}

.page-news .series__more {
  border: 1px solid var(--line-soft);
  padding: 0 14px;
}

.page-news .series__more summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--cyan-500);
  letter-spacing: 0.04em;
}

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

.page-news .series__more summary::before {
  content: "+ ";
  color: var(--cyan-500);
}

.page-news .series__more[open] summary::before {
  content: "– ";
}

.page-news .series__more summary:hover {
  color: var(--paper-000);
}

/* ---------- 检索写法 ---------- */
.page-news .query-list {
  list-style: none;
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .query {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "code arrow"
    "result result"
    "copy copy";
  align-items: center;
  gap: 8px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color var(--dur) var(--ease);
}

.page-news .query:hover {
  background: rgba(18, 214, 200, 0.06);
}

.page-news .query__code {
  grid-area: code;
  font-size: var(--fs-16);
  color: var(--paper-000);
  background: var(--blue-700);
  border: 1px solid var(--line-soft);
  padding: 6px 10px;
  overflow-wrap: anywhere;
}

.page-news .query__arrow {
  grid-area: arrow;
  color: var(--cyan-500);
  font-size: var(--fs-16);
}

.page-news .query__result {
  grid-area: result;
  font-size: var(--fs-14);
  color: var(--text-soft);
}

.page-news .query__copy {
  grid-area: copy;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--cyan-500);
  background: transparent;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .query__copy:hover,
.page-news .query__copy:focus-visible {
  border-color: var(--cyan-500);
  color: var(--paper-000);
}

.page-news .search-tips {
  display: grid;
  gap: 16px;
  align-items: start;
  padding: clamp(18px, 2.4vw, 26px);
  border-left: 3px solid var(--cyan-500);
  background: linear-gradient(90deg, var(--blue-700), var(--blue-900) 88%);
}

.page-news .search-tips__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 64ch;
}

/* ---------- 订阅与回顾 ---------- */
.page-news .follow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .follow-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px 18px 22px;
  border: 1px solid var(--line-soft);
  background: transparent;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .follow-card:hover,
.page-news .follow-card:focus-within {
  border-color: var(--cyan-500);
  transform: translateY(-2px);
}

.page-news .follow-card--accent {
  background: linear-gradient(150deg, var(--blue-500), var(--blue-900) 78%);
  border-color: var(--cyan-700);
}

.page-news .follow-card__key {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan-500);
}

.page-news .follow-card__title {
  margin: 0;
  font-size: var(--fs-20);
  line-height: 1.3;
}

.page-news .follow-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-soft);
}

.page-news .follow-card .btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-news .topic-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .query {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
    grid-template-areas: "code arrow result copy";
    gap: 12px;
  }

  .page-news .query__result {
    text-align: left;
  }

  .page-news .query__copy {
    justify-self: end;
  }
}

@media (min-width: 760px) {
  .page-news .topic-aside__list {
    grid-template-columns: 1fr;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .topic-grid > :nth-child(even) {
    margin-top: 34px;
  }

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

  .page-news .series--flip .series__figure {
    order: 2;
  }

  .page-news .rhythm-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(18px, 2.4vw, 32px);
  }

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

  .page-news .follow-grid > :nth-child(2) {
    margin-top: 22px;
  }

  .page-news .search-tips {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-news .topic-split {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 48px);
  }

  .page-news .topic-aside {
    position: sticky;
    top: calc(var(--masthead-h) + var(--nav-h) + 24px);
    align-self: start;
    padding-left: 18px;
  }

  .page-news .entry {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
    gap: 4px 20px;
  }

  .page-news .entry__body {
    padding-right: 300px;
  }

  .page-news .entry__pop {
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 268px;
    padding: 10px 12px;
    font-size: var(--fs-12);
    line-height: 1.65;
    color: var(--text-soft);
    background: var(--blue-700);
    border: 1px solid var(--cyan-500);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
    z-index: 3;
  }

  .page-news .entry:hover .entry__pop,
  .page-news .entry:focus-within .entry__pop {
    opacity: 1;
    visibility: visible;
  }

  .page-news .entry--plain .entry__body {
    padding-right: 0;
  }
}

@media (min-width: 1280px) {
  .page-news .rhythm,
  .page-news .series {
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(32px, 4vw, 60px);
  }

  .page-news .study-extra {
    padding-top: 8px;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>