.page-news {
  --news-muted: #3F4756;
  --news-shadow: #E6ECFF;
  --news-sticky-gap: 104px;
  background: var(--paper);
  color: var(--ink-text);
}

/* ---------- 头部主题带 ---------- */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--step) * 2) 0 calc(var(--step) * 3);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(47, 107, 255, .38), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(255, 122, 61, .20), transparent 66%),
    var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__crumb .breadcrumb__list {
  padding: 0;
  margin: 0 0 calc(var(--step) * 1.2);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  font-size: 13px;
}

.page-news .news-hero__crumb .breadcrumb__item::after {
  content: "/";
  margin-left: 8px;
  color: rgba(245, 243, 238, .4);
}

.page-news .news-hero__crumb .breadcrumb__item:last-child::after {
  content: "";
  margin: 0;
}

.page-news .news-hero__crumb .breadcrumb__link {
  color: rgba(245, 243, 238, .72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .news-hero__crumb .breadcrumb__link:hover,
.page-news .news-hero__crumb .breadcrumb__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-news .news-hero__crumb .breadcrumb__current {
  color: var(--orange);
}

.page-news .news-hero__grid {
  display: grid;
  gap: calc(var(--step) * 1.5);
  align-items: end;
}

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

.page-news .news-hero__title {
  margin: .12em 0 .18em;
  color: var(--paper);
  letter-spacing: .04em;
}

.page-news .news-hero__lede {
  max-width: 30ch;
  color: rgba(245, 243, 238, .82);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  margin-top: calc(var(--step) * 1.4);
}

.page-news .news-hero__stat {
  flex: 1 1 130px;
  min-width: 118px;
  padding-top: 10px;
  border-top: 2px solid var(--blue);
}

.page-news .news-hero__stat:nth-child(2) {
  border-top-color: var(--orange);
}

.page-news .news-hero__stat:nth-child(3) {
  border-top-color: var(--mint);
}

.page-news .news-hero__stat-num {
  display: block;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 700;
  color: var(--paper);
  line-height: 1.1;
}

.page-news .news-hero__stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(245, 243, 238, .66);
}

.page-news .news-hero__media {
  margin: 0;
  border-color: rgba(245, 243, 238, .22);
}

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

.page-news .news-hero__media .media__caption {
  color: rgba(245, 243, 238, .62);
}

.page-news .news-hero__annotation {
  display: none;
  position: absolute;
  top: calc(var(--step) * 3);
  right: 14px;
  color: rgba(245, 243, 238, .4);
}

/* ---------- 主体两栏 ---------- */
.page-news .news-body {
  display: grid;
  gap: calc(var(--step) * 1.6);
  padding-top: calc(var(--step) * 2);
  padding-bottom: calc(var(--step) * 2);
}

.page-news .news-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .news-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 4px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-side__link {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--news-muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-news .news-side__link:hover,
.page-news .news-side__link:focus-visible {
  background: var(--paper-soft);
  border-color: var(--blue);
  color: var(--blue);
}

.page-news .news-side__link[aria-current="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .news-side__note {
  padding: 16px 18px;
  border-left: 3px solid var(--orange);
  background: var(--paper-soft);
}

.page-news .news-side__note-title {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .06em;
}

.page-news .news-side__note-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--news-muted);
}

.page-news .news-side__cta {
  align-self: flex-start;
}

/* ---------- 置顶条目 ---------- */
.page-news .news-feature {
  position: relative;
  padding: clamp(20px, 4vw, 40px);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 8px 8px 0 var(--news-shadow);
  margin-bottom: calc(var(--step) * 2);
}

.page-news .news-feature__tagrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 14px;
}

.page-news .news-feature__time {
  font-size: 12px;
  color: var(--grey-blue);
  letter-spacing: .02em;
}

.page-news .news-feature__title {
  margin: 0 0 calc(var(--step) * 1.2);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: .01em;
}

.page-news .news-feature__grid {
  display: grid;
  gap: calc(var(--step) * 1.2);
}

.page-news .news-feature__body p {
  color: var(--news-muted);
}

.page-news .news-feature__list {
  margin: 0 0 18px;
  padding-left: 20px;
  list-style: none;
}

.page-news .news-feature__list li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 16px;
  line-height: 1.75;
  color: var(--news-muted);
}

.page-news .news-feature__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--orange);
  transform: skewX(-12deg);
}

.page-news .news-feature__list strong {
  color: var(--ink-text);
}

.page-news .news-feature__media {
  margin: 0;
  border-color: var(--line);
}

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

.page-news .news-feature__media .media__caption {
  color: var(--grey-blue);
}

/* ---------- 分组与条目 ---------- */
.page-news .news-group {
  margin-top: calc(var(--step) * 1.8);
  scroll-margin-top: var(--news-sticky-gap);
}

.page-news .news-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ink);
}

.page-news .news-group__title {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-size: clamp(21px, 3.2vw, 27px);
  font-weight: 800;
  letter-spacing: .02em;
}

.page-news .news-group__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .18em;
  width: 8px;
  height: 1.05em;
  background: var(--blue);
  transform: skewX(-12deg);
}

.page-news .news-group__desc {
  margin: 0;
  font-size: 14px;
  color: var(--grey-blue);
}

.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

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

.page-news .news-item__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 10px 14px;
  padding: 16px 8px;
  cursor: pointer;
  list-style: none;
  transition: background .25s var(--ease);
}

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

.page-news .news-item__summary:hover,
.page-news .news-item__summary:focus-visible {
  background: var(--paper-soft);
}

.page-news .news-item__details[open] > .news-item__summary {
  background: var(--paper-soft);
}

.page-news .news-item__num {
  font-size: clamp(18px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1;
  color: var(--line);
  padding-top: 3px;
  transition: color .25s var(--ease);
}

.page-news .news-item__summary:hover .news-item__num,
.page-news .news-item__details[open] .news-item__num {
  color: var(--blue);
}

.page-news .news-item__text {
  display: block;
  min-width: 0;
}

.page-news .news-item__title {
  display: block;
  font-size: clamp(16px, 2.1vw, 19px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-text);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--grey-blue);
}

.page-news .news-item__more {
  font-size: 20px;
  line-height: 1;
  color: var(--grey-blue);
  transition: transform .25s var(--ease), color .25s var(--ease);
  padding-top: 2px;
}

.page-news .news-item__details[open] .news-item__more {
  transform: rotate(45deg);
  color: var(--orange);
}

.page-news .news-item__body {
  padding: 0 8px 20px 44px;
}

.page-news .news-item__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-muted);
}

/* ---------- 专题横带 ---------- */
.page-news .news-topics {
  padding: calc(var(--step) * 2.6) 0;
}

.page-news .news-topics__head {
  margin-bottom: calc(var(--step) * 1.4);
}

.page-news .news-topics__eyebrow {
  color: var(--mint);
}

.page-news .news-topics__title {
  margin: 10px 0 14px;
  color: var(--paper);
  font-size: clamp(28px, 5.6vw, 52px);
  line-height: 1.14;
  font-weight: 800;
}

.page-news .news-topics__lede {
  max-width: 46ch;
  color: rgba(245, 243, 238, .74);
}

.page-news .news-topics__track {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0 0 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .topic-card {
  flex: 0 0 84%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--ink-panel);
  border: 1px solid rgba(245, 243, 238, .16);
  border-top: 3px solid var(--orange);
}

.page-news .topic-card:nth-child(2) {
  border-top-color: var(--mint);
}

.page-news .topic-card:nth-child(3) {
  border-top-color: var(--blue);
}

.page-news .topic-card__media {
  margin: 0 0 4px;
  aspect-ratio: 3 / 2;
  border-color: rgba(245, 243, 238, .16);
  background: #101A2C;
}

.page-news .topic-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .topic-card__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-news .topic-card:nth-child(2) .topic-card__tag {
  color: var(--mint);
}

.page-news .topic-card:nth-child(3) .topic-card__tag {
  color: #8FA9FF;
}

.page-news .topic-card__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--paper);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 243, 238, .68);
}

.page-news .topic-card__link {
  margin-top: auto;
  padding-top: 8px;
  align-self: flex-start;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
}

.page-news .topic-card:nth-child(2) .topic-card__link {
  border-bottom-color: var(--mint);
}

.page-news .topic-card:nth-child(3) .topic-card__link {
  border-bottom-color: var(--blue);
}

.page-news .topic-card__link:hover,
.page-news .topic-card__link:focus-visible {
  color: var(--orange);
}

/* ---------- 客户端日志 ---------- */
.page-news .news-desktop {
  padding: calc(var(--step) * 2.6) 0;
}

.page-news .news-desktop__inner {
  display: grid;
  gap: calc(var(--step) * 1.6);
}

.page-news .news-desktop__title {
  margin: 10px 0 14px;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.18;
  font-weight: 800;
}

.page-news .news-desktop__intro .prose {
  margin-bottom: 20px;
  color: var(--news-muted);
}

.page-news .news-log {
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-news .news-log__item {
  position: relative;
  padding: 0 0 22px 6px;
}

.page-news .news-log__item:last-child {
  padding-bottom: 0;
}

.page-news .news-log__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--blue);
  border-radius: 50%;
}

.page-news .news-log__item:nth-child(3)::before {
  background: var(--orange);
}

.page-news .news-log__item:nth-child(4)::before {
  background: var(--mint);
}

.page-news .news-log__ver {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue);
}

.page-news .news-log__title {
  margin: 4px 0 4px;
  font-size: 17px;
  font-weight: 700;
}

.page-news .news-log__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--news-muted);
}

/* ---------- 帮助收束 ---------- */
.page-news .news-help {
  padding: calc(var(--step) * 2.4) 0 calc(var(--step) * 2);
  background: var(--paper-soft);
}

.page-news .news-help__inner {
  display: grid;
  gap: calc(var(--step) * 1.4);
}

.page-news .news-help__title {
  margin: 10px 0 14px;
  font-size: clamp(26px, 4.8vw, 42px);
  line-height: 1.18;
  font-weight: 800;
}

.page-news .news-help__intro .prose {
  margin-bottom: 20px;
  max-width: 42ch;
  color: var(--news-muted);
}

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

.page-news .news-help__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  text-decoration: none;
  transition: transform .25s var(--ease), border-left-color .25s var(--ease);
}

.page-news .news-help__link:hover,
.page-news .news-help__link:focus-visible {
  transform: translateX(4px);
  border-left-color: var(--orange);
}

.page-news .news-help__link-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-text);
}

.page-news .news-help__link-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey-blue);
}

.page-news .news-help__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: calc(var(--step) * 1.6);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .news-help__note {
  margin: 0;
  max-width: 56ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--news-muted);
}

.page-news .news-top-link {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 2px;
}

.page-news .news-top-link:hover,
.page-news .news-top-link:focus-visible {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: calc(var(--step) * 2.6) 0 calc(var(--step) * 3.6);
  }

  .page-news .news-feature__grid {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
  }

  .page-news .news-item__summary {
    grid-template-columns: 64px 1fr 28px;
    gap: 14px 20px;
    padding: 20px 10px;
  }

  .page-news .news-item__body {
    padding-left: 94px;
  }

  .page-news .topic-card {
    flex-basis: 46%;
  }

  .page-news .news-help__links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero__grid {
    grid-template-columns: 1.1fr .9fr;
    gap: calc(var(--step) * 2.2);
  }

  .page-news .news-hero__annotation {
    display: block;
    writing-mode: vertical-rl;
    letter-spacing: .2em;
    font-size: 12px;
  }

  .page-news .news-body {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: calc(var(--step) * 2.2);
    align-items: start;
    padding-top: calc(var(--step) * 2.6);
    padding-bottom: calc(var(--step) * 2.6);
  }

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

  .page-news .news-side__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
    gap: 0;
    border-top: 1px solid var(--line);
  }

  .page-news .news-side__link {
    display: block;
    padding: 11px 4px;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-size: 15px;
    background: transparent;
  }

  .page-news .news-side__link:hover,
  .page-news .news-side__link:focus-visible {
    background: transparent;
    padding-left: 12px;
    border-bottom-color: var(--blue);
  }

  .page-news .news-side__link[aria-current="true"] {
    background: transparent;
    color: var(--ink);
    padding-left: 12px;
    border-bottom: 2px solid var(--orange);
  }

  .page-news .news-desktop__inner {
    grid-template-columns: .95fr 1.05fr;
    gap: calc(var(--step) * 2.4);
    align-items: start;
  }

  .page-news .news-log {
    padding-left: 26px;
  }

  .page-news .news-log__item {
    padding-left: 12px;
    padding-bottom: 26px;
  }

  .page-news .news-log__item::before {
    left: -31px;
  }

  .page-news .news-help__inner {
    grid-template-columns: .85fr 1.15fr;
    gap: calc(var(--step) * 2.4);
    align-items: start;
  }

  .page-news .topic-card {
    flex-basis: 32%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__summary,
  .page-news .news-item__num,
  .page-news .news-item__more,
  .page-news .news-side__link,
  .page-news .news-help__link {
    transition: none;
  }

  .page-news .news-help__link:hover,
  .page-news .news-help__link:focus-visible {
    transform: none;
  }
}