.page-news {
  display: block;
  overflow-x: clip;
}

.page-news a:not(.btn) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(32, 227, 210, .35);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.page-news a:not(.btn):hover,
.page-news a:not(.btn):focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 通用区块 ---------- */
.page-news .section {
  padding: clamp(36px, 5.6vw, 76px) 0;
  border-bottom: 1px solid var(--line);
}
.page-news .sec-head {
  max-width: 720px;
  margin-bottom: clamp(22px, 3vw, 38px);
}
.page-news .sec-head .label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.page-news .sec-head h2 {
  margin: 0 0 14px;
}
.page-news .sec-head .lead {
  margin: 0;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-news .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--line);
}
.page-news .breadcrumb a {
  color: var(--muted);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(26px, 4vw, 50px);
  padding-bottom: clamp(28px, 4vw, 54px);
}
.page-news .news-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}
.page-news .news-hero__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
}
.page-news .news-hero__title .label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.page-news .news-hero h1 {
  margin: 0;
  font-size: clamp(48px, 12vw, 104px);
  line-height: .9;
  letter-spacing: -.02em;
}
.page-news .news-hero__aside .lead {
  margin: 0;
}
.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: clamp(16px, 2vw, 22px) 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.page-news .news-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-news .news-fact b {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--text);
}

.page-news .news-banner {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}
.page-news .news-banner .media__cap {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 分类卡片 ---------- */
.page-news .cat-grid {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-news .cat-card {
  background: var(--panel);
  padding: clamp(18px, 2.2vw, 28px);
  transition: background-color .18s var(--ease);
}
.page-news .cat-card:hover {
  background: #101D3A;
}
.page-news .cat-card__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}
.page-news .cat-card__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}
.page-news .cat-card__body {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .cat-card__freq {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text);
}

/* ---------- 报告列表 ---------- */
.page-news .report-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}
.page-news .report-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "phase phase"
    "main  main"
    "cat   read";
  gap: 8px 14px;
  align-items: center;
  padding: 20px 6px 20px 16px;
  border-top: 1px solid var(--line);
  transition: background-color .18s var(--ease);
}
.page-news .report-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .18s var(--ease);
}
.page-news .report-row:hover {
  background: rgba(232, 238, 251, .025);
}
.page-news .report-row:hover::before {
  transform: scaleY(1);
}
.page-news .report-row__phase {
  grid-area: phase;
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-news .report-row__main {
  grid-area: main;
}
.page-news .report-row__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .005em;
  color: var(--text);
}
.page-news .report-row__sum {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.page-news .report-row__cat {
  grid-area: cat;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text);
  white-space: nowrap;
}
.page-news .report-row__read {
  grid-area: read;
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}

/* ---------- 排名观察 ---------- */
.page-news .rank-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-news .rank-item {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.page-news .rank-item:first-child {
  padding-top: 0;
  border-top: none;
}
.page-news .rank-item + .rank-item {
  margin-top: 26px;
}
.page-news .rank-item__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-news .rank-item h3 {
  margin: 0 0 12px;
}
.page-news .rank-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .rank-tip {
  margin-top: 30px;
  padding: 18px 20px;
  background: var(--teal);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}
.page-news .rank-tip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}
.page-news .rank-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  align-self: start;
}
.page-news .rank-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-news .rank-figure .media__cap {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 版本时间轴 ---------- */
.page-news .ver-figure {
  margin: 0 0 clamp(24px, 3.6vw, 40px);
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-news .ver-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}
.page-news .ver-figure .media__cap {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.page-news .version-timeline {
  position: relative;
  padding-left: 34px;
}
.page-news .version-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}
.page-news .ver-item {
  position: relative;
  border-top: 1px solid var(--line);
}
.page-news .ver-item:first-child {
  border-top: none;
}
.page-news .ver-item > summary {
  position: relative;
  display: block;
  padding: 18px 40px 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color .18s var(--ease);
}
.page-news .ver-item > summary::-webkit-details-marker {
  display: none;
}
.page-news .ver-item > summary::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 24px;
  width: 9px;
  height: 9px;
  box-sizing: border-box;
  background: var(--ink);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: background-color .18s var(--ease);
}
.page-news .ver-item > summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
  transition: color .18s var(--ease);
}
.page-news .ver-item[open] > summary::after {
  content: "–";
  color: var(--cyan);
}
.page-news .ver-item[open] > summary::before {
  background: var(--gold);
}
.page-news .ver-item > summary:hover .ver-item__title {
  color: var(--cyan);
}
.page-news .ver-item__phase {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--violet);
}
.page-news .ver-item__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  transition: color .18s var(--ease);
}
.page-news .ver-item__body {
  padding: 2px 0 22px;
}
.page-news .ver-item__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 专栏专题 ---------- */
.page-news .series-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-news .series-cover {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  align-self: start;
}
.page-news .series-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-news .series-cover .media__cap {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .series-list {
  display: grid;
  gap: 24px;
}
.page-news .series-card {
  position: relative;
  padding: 22px 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 7px -7px 0 -1px var(--ink), 7px -7px 0 0 var(--line);
  transition: box-shadow .2s var(--ease), transform .2s var(--ease);
}
.page-news .series-card:hover {
  transform: translate(-2px, 2px);
  box-shadow: 5px -5px 0 -1px var(--ink), 5px -5px 0 0 var(--cyan);
}
.page-news .series-card__name {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}
.page-news .series-card__meta {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--muted);
}
.page-news .series-card__desc {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .series-more {
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.page-news .series-more > summary {
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}
.page-news .series-more > summary::-webkit-details-marker {
  display: none;
}
.page-news .series-more > summary::after {
  content: " +";
  font-family: var(--font-mono);
}
.page-news .series-more[open] > summary::after {
  content: " –";
}
.page-news .series-more__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .series-more__list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}
.page-news .series-more__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--gold);
}

/* ---------- 更新节奏与订阅 ---------- */
.page-news .cadence {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-news .cadence__cell {
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--ink);
}
.page-news .cadence__cell .label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.page-news .cadence__cell h3 {
  margin: 0 0 12px;
}
.page-news .cadence__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .subscribe-bar {
  display: grid;
  gap: 20px;
  align-items: center;
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(118deg, var(--teal) 0%, var(--panel) 62%, var(--ink) 100%);
}
.page-news .subscribe-bar__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
.page-news .subscribe-bar__note {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .subscribe-bar .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-banner img {
    aspect-ratio: 16 / 7;
  }
}

@media (min-width: 760px) {
  .page-news .cat-grid {
    grid-template-columns: 1.15fr 1fr .95fr .9fr;
  }
  .page-news .cadence {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-news .subscribe-bar {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 800px) {
  .page-news .report-row {
    grid-template-columns: 138px minmax(0, 1fr) 152px 76px;
    grid-template-areas: "phase main cat read";
    gap: 26px;
    align-items: start;
    padding: 24px 10px 24px 18px;
  }
  .page-news .report-row__phase {
    padding-top: 4px;
  }
  .page-news .report-row__cat {
    padding-top: 4px;
  }
  .page-news .report-row__read {
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    column-gap: clamp(28px, 4vw, 64px);
    align-items: end;
  }
  .page-news .rank-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    column-gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }
  .page-news .series-grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero h1 {
    font-size: clamp(88px, 9vw, 112px);
  }
}