.page-news {
  --news-axis-line: linear-gradient(180deg, rgba(43, 232, 208, .85) 0%, rgba(43, 232, 208, .26) 52%, rgba(43, 232, 208, .05) 100%);
  --news-card-bg: linear-gradient(158deg, rgba(18, 58, 94, .94) 0%, rgba(10, 37, 64, .92) 100%);
  position: relative;
  display: block;
  overflow-x: clip;
  background:
    radial-gradient(1080px 520px at 84% -6%, rgba(43, 232, 208, .10), transparent 62%),
    radial-gradient(860px 460px at 4% 24%, rgba(255, 138, 61, .06), transparent 58%),
    var(--abyss);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(34px, 6vw, 78px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 22%, rgba(43, 232, 208, .05) 78%, transparent);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
}

.page-news .news-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 9vw, 76px);
  line-height: 1.04;
  letter-spacing: -.02em;
  max-width: 17ch;
  color: var(--mist);
}

.page-news .news-hero__title span {
  color: var(--cyan);
}

.page-news .news-hero__lead {
  margin: 22px 0 0;
  max-width: 60ch;
  color: var(--slate);
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.78;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 章节索引条 ---------- */
.page-news .news-rail {
  position: sticky;
  top: 0;
  z-index: 6;
  padding: 9px var(--pad);
  background: linear-gradient(180deg, rgba(4, 18, 31, .97) 0%, rgba(4, 18, 31, .76) 100%);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

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

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

.page-news .news-rail__link {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-news .news-rail__link:hover {
  color: var(--cyan-soft);
  border-color: var(--line-strong);
}

.page-news .news-rail__link[aria-current="true"] {
  color: var(--abyss);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-block {
  position: relative;
  padding: clamp(46px, 8vw, 96px) 0;
}

.page-news .news-block + .news-block {
  border-top: 1px solid rgba(127, 243, 228, .1);
}

.page-news .news-block--band {
  background:
    linear-gradient(180deg, rgba(10, 37, 64, .9) 0%, rgba(10, 37, 64, .5) 58%, rgba(4, 18, 31, 0) 100%);
}

.page-news .news-block--band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(46%, 520px);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(43, 232, 208, 0) 100%);
  pointer-events: none;
}

.page-news .news-block--band::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(96px, 20vw, 260px);
  height: 100%;
  background: linear-gradient(202deg, rgba(43, 232, 208, .07) 0%, rgba(43, 232, 208, 0) 64%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-block__head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(26px, 4vw, 46px);
  max-width: 68ch;
}

.page-news .news-block__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-news .news-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--mist);
  max-width: 20ch;
}

.page-news .news-block__sub {
  margin: 0;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.78;
  max-width: 58ch;
}

.page-news .news-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-news .news-figure--axis {
  margin: clamp(6px, 1.6vw, 16px) 0 clamp(32px, 5vw, 56px);
}

/* ---------- 本季要点 ---------- */
.page-news .qgrid {
  display: grid;
  gap: 16px;
}

.page-news .qcard {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--news-card-bg);
  border: 1px solid var(--line);
  border-radius: 20px 20px 20px 4px;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-news .qcard::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 2px;
  height: 26px;
  background: var(--cyan);
  border-radius: 2px;
  transition: height .3s var(--ease);
}

.page-news .qcard:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-news .qcard:hover::before {
  height: 52px;
}

.page-news .qcard__no {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-news .qcard__title {
  margin: 0 0 9px;
  font-size: 19px;
  line-height: 1.42;
  font-weight: 700;
  color: var(--mist);
}

.page-news .qcard__text {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 时间轴 ---------- */
.page-news .timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 34px;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: var(--news-axis-line);
}

.page-news .tl-item {
  position: relative;
  padding-bottom: clamp(26px, 4vw, 40px);
}

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

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 232, 208, .13), 0 0 18px rgba(43, 232, 208, .5);
  transition: box-shadow .2s var(--ease);
}

.page-news .tl-card {
  position: relative;
  padding: 20px 22px 22px;
  background: rgba(10, 37, 64, .86);
  border: 1px solid var(--line);
  border-radius: 4px 20px 20px 20px;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-news .tl-card:hover {
  border-color: var(--line-strong);
  transform: translateX(2px);
}

.page-news .tl-quarter {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .tl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 13px;
  padding: 0;
  list-style: none;
}

.page-news .tl-card__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.46;
  font-weight: 700;
  color: var(--mist);
}

.page-news .tl-card__text {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .tl-card__media {
  margin-top: 16px;
}

/* ---------- 分类索引 ---------- */
.page-news .catgrid {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .catcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px 20px 20px;
  overflow: hidden;
  background: var(--hull);
  border: 1px solid var(--line);
  border-radius: 18px;
  color: inherit;
  text-decoration: none;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-news .catcard::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 232, 208, .22) 0%, rgba(43, 232, 208, 0) 68%);
  pointer-events: none;
}

.page-news .catcard:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-news .catcard__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--cyan-soft);
}

.page-news .catcard__name {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-news .catcard__desc {
  margin: 0;
  flex: 1 1 auto;
  color: var(--slate);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-news .catcard__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

/* ---------- 专题系列 ---------- */
.page-news .topics {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .topic {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 24px 22px 26px;
  background: linear-gradient(152deg, rgba(18, 58, 94, .92) 0%, rgba(4, 18, 31, .94) 100%);
  border: 1px solid var(--line);
  border-radius: 4px 22px 22px 22px;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-news .topic:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-news .topic__name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.38;
  color: var(--mist);
}

.page-news .topic__desc {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .topic__latest {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(127, 243, 228, .2);
  color: var(--cyan-soft);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .topic__media {
  margin-top: 14px;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  display: grid;
  gap: 24px;
}

.page-news .cadence__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cadence__item {
  display: grid;
  gap: 7px;
  padding: 18px 20px 20px;
  background: rgba(10, 37, 64, .74);
  border-left: 2px solid var(--cyan);
  border-radius: 0 14px 14px 0;
}

.page-news .cadence__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
}

.page-news .cadence__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--mist);
}

.page-news .cadence__text {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .cadence__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .cadence__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .cadence__note {
  margin: 0;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.78;
}

.page-news .cadence__note a {
  color: var(--cyan-soft);
  text-underline-offset: 3px;
}

.page-news .cadence__note a:hover {
  color: var(--cyan);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-news .qgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .catgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .topic--feature {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面：时间轴左右交错 ---------- */
@media (min-width: 900px) {
  .page-news .timeline {
    padding-left: 0;
  }

  .page-news .timeline::before {
    left: 50%;
    margin-left: -1px;
  }

  .page-news .tl-item {
    width: calc(50% - 48px);
  }

  .page-news .tl-item--left {
    margin-left: 0;
  }

  .page-news .tl-item--right {
    margin-left: calc(50% + 48px);
  }

  .page-news .tl-item--left::before {
    left: auto;
    right: -54px;
  }

  .page-news .tl-item--right::before {
    left: -54px;
    right: auto;
  }

  .page-news .cadence {
    grid-template-columns: 1.15fr .85fr;
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-news .catgrid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-block__head {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 大屏：左侧竖排固定索引 ---------- */
@media (min-width: 1400px) {
  .page-news .news-rail {
    position: fixed;
    top: 50%;
    left: clamp(10px, 1.4vw, 24px);
    z-index: 7;
    width: auto;
    margin: 0;
    padding: 0;
    transform: translateY(-50%);
    background: none;
    border: 0;
    backdrop-filter: none;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 18px;
    overflow: visible;
  }

  .page-news .news-rail__link {
    writing-mode: vertical-rl;
    padding: 8px 4px;
    background: none;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 12px;
    letter-spacing: .2em;
  }

  .page-news .news-rail__link[aria-current="true"] {
    color: var(--cyan);
    background: none;
    border-left-color: var(--cyan);
  }
}
<<<END>>>