.page-news {
  --news-dark: var(--pitch-900);
  --news-panel: var(--pitch-700);
  background: var(--news-dark);
  color: var(--paper);
  overflow-x: hidden;
}

/* 顶部信息条 */
.page-news .news-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 22px;
}
.page-news .news-topline .breadcrumb {
  margin: 0;
}
.page-news .news-topline__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cool-slate);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  padding: clamp(30px, 6vw, 68px) 0 clamp(26px, 5vw, 54px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 107, 26, 0.16), transparent 58%),
    linear-gradient(180deg, var(--pitch-900) 0%, var(--pitch-700) 100%);
}
.page-news .news-hero__inner {
  max-width: 960px;
}
.page-news .news-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .news-hero__lead {
  max-width: 40em;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--cool-slate);
}
.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--cool-slate);
}
.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-left: 14px;
  position: relative;
}
.page-news .news-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--signal-orange);
}
.page-news .news-hero__facts .mono {
  font-size: 15px;
  color: var(--paper);
}

/* 头条对照 */
.page-news .news-headlines {
  background: var(--news-panel);
}
.page-news .news-headlines__media {
  aspect-ratio: 2 / 1;
  border: 1px solid var(--line-strong);
  overflow: hidden;
  background: var(--pitch-900);
}
.page-news .news-headlines__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .news-headlines__head {
  max-width: 46em;
  margin-top: 26px;
}
.page-news .news-headlines__head h2 {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .news-headlines__head p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool-slate);
}

.page-news .news-headlines__grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 82%;
  gap: 16px;
  margin-top: 26px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-news .headline-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 30px 20px 22px;
  background: var(--charcoal-900);
  border: 1px solid var(--line);
  scroll-snap-align: start;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-news .headline-card:hover {
  border-color: var(--signal-orange);
  background: #14181d;
}
.page-news .headline-card__band {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
}
.page-news .headline-card__band--indigo { background: var(--indigo-800); }
.page-news .headline-card__band--wine { background: var(--wine-800); }
.page-news .headline-card__band--signal { background: var(--signal-orange); }
.page-news .headline-card__slot {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cool-slate);
}
.page-news .headline-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.42;
  font-weight: 800;
  color: var(--paper);
}
.page-news .headline-card__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool-slate);
}
.page-news .headline-card__stat {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--signal-orange);
}
.page-news .headline-card__unit {
  font-size: 16px;
  margin-left: 0.25em;
  color: var(--cool-slate);
}
.page-news .headline-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cool-slate);
}

/* 主体：列表 + 侧栏 */
.page-news .news-body-wrap {
  background: var(--pitch-900);
}
.page-news .news-body {
  display: grid;
  gap: 34px;
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-news .aside-block {
  border: 1px solid var(--line);
  background: rgba(14, 59, 44, 0.5);
  padding: 18px 18px 16px;
}
.page-news .aside-block + .aside-block {
  margin-top: 16px;
}
.page-news .aside-block__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cool-slate);
}
.page-news .aside-block--note p {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool-slate);
}

.page-news .round-scale,
.page-news .cat-index {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .round-scale li + li,
.page-news .cat-index li + li {
  border-top: 1px solid var(--line);
}
.page-news .round-scale a,
.page-news .cat-index a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 2px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 10px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-news .round-scale a:hover,
.page-news .cat-index a:hover {
  color: var(--signal-orange);
  border-left-color: var(--signal-orange);
  background: var(--glass-white);
}
.page-news .round-scale__k {
  font-size: 11px;
  color: var(--cool-slate);
}
.page-news .cat-index a::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cool-slate);
  flex: none;
}
.page-news .cat-index a:hover::before {
  background: var(--signal-orange);
}

/* 更新流 */
.page-news .feed-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--signal-orange);
}
.page-news .feed-head h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .density {
  display: inline-flex;
  border: 1px solid var(--line);
}
.page-news .density__btn {
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cool-slate);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-news .density__btn + .density__btn {
  border-left: 1px solid var(--line);
}
.page-news .density__btn:hover {
  color: var(--paper);
}
.page-news .density__btn[data-active] {
  background: var(--signal-orange);
  color: var(--charcoal-900);
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 14px;
  padding: calc(16px * var(--density-scale, 1)) 2px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--dur) var(--ease);
}
.page-news .feed-item:hover {
  background: var(--glass-white);
}
.page-news .feed-item__num {
  margin: 2px 0 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cool-slate);
  transition: color var(--dur) var(--ease);
}
.page-news .feed-item:hover .feed-item__num {
  color: var(--signal-orange);
}
.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 8px;
}
.page-news .feed-item__time,
.page-news .feed-item__read {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cool-slate);
}
.page-news .feed-item__read::before {
  content: "· ";
  color: var(--line-strong);
}
.page-news .feed-item__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--paper);
}
.page-news .feed-item__sum {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool-slate);
}
.page-news .feed-item__more {
  margin-top: 10px;
}
.page-news .feed-item__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cool-slate);
  transition: color var(--dur) var(--ease);
}
.page-news .feed-item__more summary::-webkit-details-marker {
  display: none;
}
.page-news .feed-item__more summary::before {
  content: "+ ";
  color: var(--signal-orange);
}
.page-news .feed-item__more[open] summary::before {
  content: "− ";
}
.page-news .feed-item__more summary:hover {
  color: var(--paper);
}
.page-news .feed-item__stats {
  display: grid;
  gap: 6px 22px;
  margin: 12px 0 2px;
  padding: 12px 14px;
  border-left: 2px solid var(--signal-orange);
  background: var(--glass-white);
}
.page-news .feed-item__stats > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}
.page-news .feed-item__stats dt {
  font-size: 13px;
  color: var(--cool-slate);
}
.page-news .feed-item__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-news .feed-meter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin: 4px 0;
  padding: 16px 18px;
  background: var(--indigo-800);
  border-left: 4px solid var(--signal-orange);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.page-news .feed-meter strong {
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  color: var(--signal-orange);
  margin-right: 0.25em;
}

/* 轮次回顾 */
.page-news .news-rounds {
  background: var(--charcoal-900);
}
.page-news .round-grid {
  display: grid;
  gap: 32px;
}
.page-news .news-rounds__intro h2 {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .news-rounds__intro > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool-slate);
}
.page-news .news-rounds__media {
  margin-top: 22px;
  aspect-ratio: 12 / 7;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--pitch-900);
}
.page-news .news-rounds__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .news-rounds__link {
  margin: 16px 0 0;
}
.page-news .news-rounds__link a {
  font-size: 14px;
  color: var(--signal-orange);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease);
}
.page-news .news-rounds__link a:hover {
  border-bottom-color: var(--signal-orange);
}

.page-news .round-cards {
  display: grid;
  gap: 16px;
}
.page-news .round-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: 18px 20px;
  background: var(--pitch-700);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}
.page-news .round-card:hover {
  border-color: var(--signal-orange);
}
.page-news .round-card__code {
  margin: 2px 0 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--signal-orange);
}
.page-news .round-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}
.page-news .round-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool-slate);
}
.page-news .round-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 14px 0 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cool-slate);
}
.page-news .round-card__stats strong {
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  margin-left: 0.2em;
}

/* 升级日志 */
.page-news .news-upgrades {
  background: var(--pitch-700);
}
.page-news .upgrade-wrap {
  display: grid;
  gap: 32px;
}
.page-news .upgrade-col h2 {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .upgrade-col > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool-slate);
}
.page-news .upgrade-media {
  margin-top: 22px;
  aspect-ratio: 8 / 5;
  border: 1px solid var(--line-strong);
  overflow: hidden;
  background: var(--charcoal-900);
}
.page-news .upgrade-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .upgrade-log {
  position: relative;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
}
.page-news .upgrade-log::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-strong);
}
.page-news .log-item {
  position: relative;
  padding-bottom: 26px;
}
.page-news .log-item:last-child {
  padding-bottom: 0;
}
.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--signal-orange);
}
.page-news .log-item__when {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--warning-yellow);
}
.page-news .log-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}
.page-news .log-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool-slate);
}

/* 数据专题 */
.page-news .news-topics {
  background: var(--pitch-900);
}
.page-news .topics-head {
  max-width: 46em;
}
.page-news .topics-head h2 {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .topics-head p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool-slate);
}
.page-news .topic-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}
.page-news .topic-card {
  padding: 20px;
  background: var(--charcoal-900);
  border: 1px solid var(--line);
  border-top: 3px solid var(--indigo-800);
  transition: border-top-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-news .topic-card:hover {
  border-top-color: var(--signal-orange);
  background: #14181d;
}
.page-news .topic-card__code {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cool-slate);
}
.page-news .topic-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}
.page-news .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool-slate);
}
.page-news .topic-card__src {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--warning-yellow);
}

.page-news .topics-foot {
  display: grid;
  gap: 22px;
  margin-top: 30px;
  padding: 22px;
  background: var(--glass-white);
  border: 1px solid var(--line);
}
.page-news .topics-foot__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--pitch-700);
}
.page-news .topics-foot__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .topics-foot__text h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}
.page-news .topics-foot__text p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool-slate);
}

/* 订阅与跟进 */
.page-news .news-follow {
  background: var(--pitch-900);
  padding-bottom: clamp(40px, 7vw, 80px);
}
.page-news .follow-box {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 4vw, 38px);
  background: linear-gradient(135deg, var(--wine-800) 0%, var(--charcoal-900) 72%);
  border: 1px solid var(--line-strong);
}
.page-news .follow-box__main h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .follow-box__main > p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(241, 244, 241, 0.82);
}
.page-news .follow-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .follow-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 14px 0;
  border-top: 1px solid rgba(241, 244, 241, 0.18);
}
.page-news .follow-list__k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--warning-yellow);
  padding-top: 3px;
}
.page-news .follow-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(241, 244, 241, 0.9);
}
.page-news .follow-box__side {
  align-self: start;
  padding: 20px;
  background: rgba(8, 37, 28, 0.5);
  border: 1px solid var(--line);
}
.page-news .follow-box__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal-orange);
}
.page-news .follow-box__side p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(241, 244, 241, 0.84);
}

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--signal-orange);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .page-news .news-headlines__grid {
    grid-auto-columns: 56%;
  }
  .page-news .feed-item__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .topics-foot {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 768px) {
  .page-news .news-headlines__grid {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
  }
  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .feed-item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 8px 20px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 34px 40px;
    align-items: start;
  }
  .page-news .news-main {
    order: 1;
  }
  .page-news .news-aside {
    order: 2;
    position: sticky;
    top: 18px;
  }
  .page-news .round-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
  .page-news .upgrade-wrap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
  .page-news .follow-box {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 32px;
  }
  .page-news .news-hero__lead {
    font-size: 17px;
  }
}

@media (min-width: 1280px) {
  .page-news .news-hero h1 {
    max-width: 18em;
  }
}