.page-news {
  position: relative;
  display: block;
}

.page-news [hidden] {
  display: none !important;
}

/* ---------- 顶部上下文 ---------- */
.page-news .news-topbar {
  padding-top: 26px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 26px;
  align-items: center;
  padding-top: 18px;
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-size: clamp(28px, 7.4vw, 42px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .news-hero__title::after {
  content: "";
  display: block;
  width: 84px;
  height: 4px;
  margin-top: 18px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--orange));
}

.page-news .news-hero__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: var(--prose);
}

.page-news .news-hero__actions {
  margin-top: 22px;
}

.page-news .news-hero__figure {
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

/* ---------- 章节小标题 ---------- */
.page-news .news-head {
  margin-bottom: 20px;
}

.page-news .news-head__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 5vw, 28px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-news .news-head__sub {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: var(--prose);
}

/* ---------- 过滤标签 ---------- */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.page-news .news-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--muted);
  border-radius: var(--pill);
  padding: 9px 17px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.12s var(--ease);
}

.page-news .news-chip:hover {
  color: var(--ink);
  border-color: var(--cyan-deep);
  background: var(--glass-2);
}

.page-news .news-chip:active {
  transform: translateY(2px);
}

.page-news .news-chip[aria-pressed="true"] {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(53, 230, 210, 0.12);
  box-shadow: inset 0 0 0 1px rgba(53, 230, 210, 0.22);
}

.page-news .news-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

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

.page-news .news-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: 18px 14px;
  border-bottom: 1px dashed var(--line);
  border-left: 2px solid transparent;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: var(--glass);
  border-left-color: var(--cyan);
}

.page-news .news-item__idx {
  font-size: 13px;
  line-height: 1.9;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-news .news-item__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-item__desc {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-item__side {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 4px;
}

.page-news .news-item__time {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.page-news .news-pulse {
  margin-top: 28px;
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

/* ---------- 版本线横向带 ---------- */
.page-news .news-lines {
  position: relative;
  padding-top: 46px;
  padding-bottom: 46px;
  background: linear-gradient(180deg, rgba(21, 14, 38, 0) 0%, rgba(21, 14, 38, 0.9) 12%, rgba(21, 14, 38, 0.9) 88%, rgba(21, 14, 38, 0) 100%);
}

.page-news .news-track-wrap {
  position: relative;
}

.page-news .news-track-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  right: -8px;
  bottom: 14px;
  width: 42px;
  border-radius: 0 var(--r-l) var(--r-l) 0;
  background: linear-gradient(90deg, rgba(10, 7, 20, 0), rgba(10, 7, 20, 0.95));
  pointer-events: none;
}

.page-news .news-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 82%;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 4px 8px 18px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .news-track::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-track::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: var(--pill);
}

.page-news .news-track__card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  border-radius: var(--r-l);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-news .news-track__card--v5 .news-track__v {
  color: var(--violet);
}

.page-news .news-track__card--v6 {
  border-color: rgba(53, 230, 210, 0.34);
  background: linear-gradient(160deg, rgba(53, 230, 210, 0.1), rgba(21, 14, 38, 1) 55%);
}

.page-news .news-track__card--v6 .news-track__v {
  color: var(--cyan);
}

.page-news .news-track__card--v7 .news-track__v {
  color: var(--orange);
}

.page-news .news-track__card:focus-within,
.page-news .news-track__card:hover {
  transform: translateY(-3px);
}

.page-news .news-track__v {
  margin: 0;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-news .news-track__role {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-news .news-track__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .news-track__list li {
  position: relative;
  padding-left: 15px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--ink);
}

.page-news .news-track__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 2px;
  border-radius: var(--pill);
  background: var(--cyan-deep);
}

.page-news .news-track__who {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 图文分栏 ---------- */
.page-news .news-split {
  display: grid;
  gap: 24px;
}

.page-news .news-split__fig {
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  margin: 0;
}

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

.page-news .news-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .news-notes li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
}

.page-news .news-notes__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 26px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  font-size: 13px;
  color: var(--cyan);
  background: var(--glass);
}

.page-news .news-notes__t {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-notes p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-split__more {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-deep);
  padding-bottom: 1px;
}

.page-news .news-link:hover {
  border-bottom-color: var(--cyan);
}

.page-news .news-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- 适配清单 ---------- */
.page-news .news-adapt-sec {
  padding-top: 44px;
  padding-bottom: 44px;
}

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

.page-news .news-adapt__row {
  display: grid;
  gap: 8px;
  padding: 16px 4px;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-adapt__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-adapt__txt {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .news-adapt__row .tag {
  justify-self: start;
}

/* ---------- 回看说明 ---------- */
.page-news .news-prose p {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-news .news-prose .tag {
  margin: 0 2px;
  vertical-align: baseline;
}

/* ---------- 结尾行动区 ---------- */
.page-news .news-cta {
  display: grid;
  gap: 20px;
  padding: 26px 22px;
  border-radius: var(--r-l);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 8% 0%, rgba(53, 230, 210, 0.16), rgba(10, 7, 20, 0) 58%),
    radial-gradient(110% 130% at 100% 100%, rgba(255, 138, 61, 0.14), rgba(10, 7, 20, 0) 62%),
    var(--panel);
}

.page-news .news-cta__title {
  margin: 0;
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-news .news-cta__text p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: var(--prose);
}

.page-news .news-cta__actions {
  align-self: center;
}

.page-news .news-cta__tail {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-news .news-topbar {
    padding-top: 34px;
  }

  .page-news .news-hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 44px;
    align-items: center;
  }

  .page-news .news-item {
    grid-template-columns: 52px minmax(0, 1fr) 168px;
    align-items: start;
    padding: 20px 18px 20px 12px;
  }

  .page-news .news-item__side {
    grid-column: 3;
    flex-direction: column;
    align-items: flex-end;
    padding-top: 0;
  }

  .page-news .news-item__idx {
    line-height: 1.6;
  }

  .page-news .news-track-wrap::after {
    display: none;
  }

  .page-news .news-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding: 4px 0 0;
  }

  .page-news .news-track__card {
    padding: 26px 24px;
  }

  .page-news .news-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: center;
  }

  .page-news .news-split--alt {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-adapt__row {
    grid-template-columns: 132px minmax(0, 1fr) 108px;
    align-items: center;
    gap: 16px;
    padding: 18px 6px;
  }

  .page-news .news-adapt__row .tag {
    justify-self: end;
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 34px 32px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero {
    gap: 56px;
  }

  .page-news .news-notes {
    gap: 20px;
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .news-item,
  .page-news .news-track__card {
    transition: none;
  }

  .page-news .news-chip:active,
  .page-news .news-track__card:hover,
  .page-news .news-track__card:focus-within {
    transform: none;
  }
}