.page-news {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-news section[id] {
  scroll-margin-top: 6rem;
}

/* ── 首屏 ───────────────────────────────────────── */
.page-news .news-lead {
  position: relative;
  padding: 1.75rem 0 3.25rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.page-news .news-lead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
  pointer-events: none;
}

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

.page-news .news-lead__grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.page-news .news-lead__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--signal);
  margin: 0 0 0.9rem;
  text-transform: uppercase;
}

.page-news .news-lead__title {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 7vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 1.15rem;
  color: var(--text);
}

.page-news .news-lead__desc {
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0;
  font-size: 0.98rem;
}

.page-news .news-lead__meta {
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  border-top: 1px solid var(--border);
}

.page-news .news-lead__stat {
  min-width: 0;
}

.page-news .news-lead__stat-num {
  display: block;
  font-size: clamp(1.25rem, 4.5vw, 1.6rem);
  font-weight: 700;
  color: var(--signal);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.page-news .news-lead__stat-label {
  display: block;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-dim);
  margin-top: 0.4rem;
}

.page-news .news-lead__visual {
  margin: 2.5rem 0 0;
}

.page-news .media-frame > img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-news .news-lead {
    padding: 2.25rem 0 4rem;
  }
  .page-news .news-lead__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: end;
  }
  .page-news .news-lead__meta {
    padding-top: 1.5rem;
  }
  .page-news .news-lead__visual {
    margin-top: 3rem;
  }
}

/* ── 条目索引 ────────────────────────────────────── */
.page-news .news-index {
  padding: 3rem 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.page-news .news-index .section-head {
  margin-bottom: 2rem;
}

.page-news .news-index__layout {
  display: grid;
  gap: 1.25rem;
}

.page-news .news-index__rail {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-index__rail::-webkit-scrollbar {
  display: none;
}

.page-news .news-index__chip {
  white-space: nowrap;
  flex: 0 0 auto;
  cursor: default;
}

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

.page-news .news-index__item {
  position: relative;
  display: grid;
  gap: 0.5rem;
  padding: 1.1rem 0.85rem 1.1rem 1.15rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-news .news-index__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14%;
  bottom: 14%;
  width: 2px;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.25s var(--ease);
}

.page-news .news-index__item:hover::before,
.page-news .news-index__item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-index__item:hover,
.page-news .news-index__item:focus-within {
  background: var(--wash);
  padding-left: 1.4rem;
}

.page-news .news-index__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-news .news-index__time {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--jade);
  border: 1px solid var(--border);
  padding: 0.1rem 0.45rem;
}

.page-news .news-index__main {
  min-width: 0;
}

.page-news .news-index__title {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.005em;
  margin: 0 0 0.4rem;
  color: var(--text);
}

.page-news .news-index__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

@media (min-width: 900px) {
  .page-news .news-index {
    padding: 4rem 0;
  }
  .page-news .news-index__layout {
    grid-template-columns: 10.5rem minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }
  .page-news .news-index__rail {
    flex-direction: column;
    align-items: flex-start;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 7.5rem;
  }
  .page-news .news-index__item {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 0.25rem 1.75rem;
    align-items: baseline;
    padding: 1.25rem 0.9rem 1.25rem 1.25rem;
  }
  .page-news .news-index__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* ── 版本动态 ────────────────────────────────────── */
.page-news .news-version {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
}

.page-news .news-version__grid {
  display: grid;
  gap: 2rem;
  margin-top: 0.5rem;
}

.page-news .news-version__timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-news .news-version__timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 1.4rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--signal) 0%, var(--border) 55%, transparent 100%);
}

.page-news .news-version__step {
  position: relative;
  padding: 0 0 1.85rem 0;
}

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

.page-news .news-version__step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 0.42rem;
  width: 8px;
  height: 8px;
  background: var(--bg);
  border: 2px solid var(--signal);
  border-radius: 50%;
  box-sizing: content-box;
}

.page-news .news-version__step:first-child::before {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 210, 0, 0.16);
}

.page-news .news-version__tick {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--signal);
  margin-bottom: 0.4rem;
}

.page-news .news-version__step-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.005em;
  margin: 0 0 0.45rem;
  color: var(--text);
}

.page-news .news-version__step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 44ch;
}

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

.page-news .news-version__foot {
  margin: 2.25rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.page-news .news-version__link,
.page-news .news-return__link {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color 0.2s var(--ease);
}

.page-news .news-version__link:hover,
.page-news .news-return__link:hover,
.page-news .news-version__link:focus-visible,
.page-news .news-return__link:focus-visible {
  color: var(--jade);
}

@media (min-width: 900px) {
  .page-news .news-version {
    padding: 4rem 0;
  }
  .page-news .news-version__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }
  .page-news .news-version__visual {
    position: sticky;
    top: 7.5rem;
  }
}

/* ── 上手技巧 ────────────────────────────────────── */
.page-news .news-tips {
  padding: 3rem 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.page-news .news-tips__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.page-news .news-tips__card {
  position: relative;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-top: 2px solid var(--line);
  padding: 1.5rem 1.4rem 1.6rem;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .news-tips__card:hover {
  border-color: var(--jade);
  border-top-color: var(--jade);
  transform: translateY(-2px);
}

.page-news .news-tips__tag {
  display: inline-block;
  margin-bottom: 0.9rem;
}

.page-news .news-tips__title {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
  margin: 0 0 0.6rem;
  color: var(--text);
}

.page-news .news-tips__body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-tips__card--media {
  padding: 0;
  border-top-width: 1px;
  overflow: hidden;
}

.page-news .news-tips__card--media .media-frame {
  margin: 0;
  height: 100%;
}

@media (min-width: 780px) {
  .page-news .news-tips {
    padding: 4rem 0;
  }
  .page-news .news-tips__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: start;
  }
  .page-news .news-tips__card--offset {
    margin-top: 3rem;
  }
  .page-news .news-tips__card {
    padding: 1.85rem 1.75rem 2rem;
  }
  .page-news .news-tips__card--media {
    padding: 0;
  }
}

/* ── 专题与系列 ──────────────────────────────────── */
.page-news .news-topics {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
}

.page-news .news-topics__mask {
  position: relative;
  margin-top: 0.75rem;
}

.page-news .news-topics__mask::before,
.page-news .news-topics__mask::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0.75rem;
  width: 2.25rem;
  pointer-events: none;
  z-index: 1;
}

.page-news .news-topics__mask::before {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}

.page-news .news-topics__mask::after {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

.page-news .news-topics__scroller {
  display: flex;
  gap: 1.1rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 0.25rem var(--gutter) 1rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-topics__scroller::-webkit-scrollbar {
  display: none;
}

.page-news .news-topics__item {
  flex: 0 0 82%;
  scroll-snap-align: start;
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 1.5rem 1.4rem 1.6rem;
  position: relative;
  transition: border-color 0.25s var(--ease);
}

.page-news .news-topics__item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3rem;
  height: 2px;
  background: var(--signal);
}

.page-news .news-topics__item:hover {
  border-color: var(--signal);
}

.page-news .news-topics__label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--jade);
  margin-bottom: 0.75rem;
}

.page-news .news-topics__title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
  color: var(--text);
}

.page-news .news-topics__desc {
  margin: 0 0 1.1rem;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .news-topics__count {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--signal);
  margin: 0;
}

@media (min-width: 720px) {
  .page-news .news-topics {
    padding: 4rem 0 3.5rem;
  }
  .page-news .news-topics__item {
    flex: 0 0 20rem;
    padding: 1.75rem 1.6rem 1.85rem;
  }
  .page-news .news-topics__scroller {
    padding-left: max(calc((100% - var(--w)) / 2), var(--gutter));
    padding-right: max(calc((100% - var(--w)) / 2), var(--gutter));
    gap: 1.35rem;
  }
}

/* ── 回访提示 ────────────────────────────────────── */
.page-news .news-return {
  padding: 3rem 0 3.5rem;
}

.page-news .news-return__card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, var(--bg-2) 0%, var(--bg-3) 100%);
  border: 1px solid var(--border);
  padding: 2rem 1.5rem 2.25rem;
}

.page-news .news-return__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4.5rem;
  height: 3px;
  background: var(--signal);
}

.page-news .news-return__card::after {
  content: "";
  position: absolute;
  right: -3rem;
  top: -3rem;
  width: 9rem;
  height: 9rem;
  background: radial-gradient(circle, rgba(40, 199, 168, 0.16), transparent 68%);
  pointer-events: none;
}

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

.page-news .news-return__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--jade);
  margin: 0 0 0.75rem;
}

.page-news .news-return__title {
  font-family: var(--font-sans);
  font-size: clamp(1.35rem, 4.5vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.page-news .news-return__desc {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 52ch;
}

.page-news .news-return__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-news .news-return__actions .btn {
  flex: 1 1 auto;
  min-width: 9rem;
  text-align: center;
}

.page-news .news-return__extra {
  position: relative;
  z-index: 1;
  margin: 1.5rem 0 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
}

@media (min-width: 780px) {
  .page-news .news-return {
    padding: 4rem 0 4.5rem;
  }
  .page-news .news-return__card {
    padding: 2.75rem 3rem 3rem;
  }
  .page-news .news-return__actions .btn {
    flex: 0 0 auto;
  }
}
</main>