.page-news {
  --news-ver: var(--cyan);
  --news-season: var(--violet);
  --news-dev: var(--gold);
  --news-notice: var(--ok);
  --news-glow: 0 0 22px rgba(53, 232, 224, 0.22);
  padding-bottom: 40px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(164, 107, 255, 0.24), transparent 68%);
  pointer-events: none;
}

.page-news .news-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 26px;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-news .news-hero__lead h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.2vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text);
  text-shadow: 0 0 1px rgba(53, 232, 224, 0.55), 0 0 26px rgba(53, 232, 224, 0.16);
}

.page-news .news-hero__intro {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--soft);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: linear-gradient(160deg, rgba(28, 42, 92, 0.72), rgba(11, 18, 48, 0.72));
}

.page-news .news-stat__num {
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-news .news-stat__label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--soft);
}

.page-news .news-hero__figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night);
  box-shadow: var(--news-glow);
}

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

/* ---------- 区块标题 ---------- */
.page-news .news-head {
  max-width: 62ch;
  margin-bottom: 30px;
}

.page-news .news-head h2 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.32;
  color: var(--text);
}

.page-news .news-head__lead {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--soft);
}

/* ---------- 本周摘要 ---------- */
.page-news .news-digest__list {
  display: grid;
  gap: 14px;
}

.page-news .digest-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  overflow: hidden;
}

.page-news .digest-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--cyan);
}

.page-news .digest-card--season::after { background: var(--violet); }
.page-news .digest-card--dev::after { background: var(--gold); }
.page-news .digest-card--notice::after { background: var(--ok); }

.page-news .digest-card__tag {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .digest-card--season .digest-card__tag { color: var(--violet); }
.page-news .digest-card--dev .digest-card__tag { color: var(--gold); }
.page-news .digest-card--notice .digest-card__tag { color: var(--ok); }

.page-news .digest-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-news .digest-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--soft);
}

/* ---------- 时间轴 ---------- */
.page-news .tl {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-news .tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 46%, var(--gold) 74%, rgba(42, 58, 114, 0) 100%);
  opacity: 0.5;
}

.page-news .tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
}

.page-news .tl-dot {
  width: 10px;
  height: 10px;
  margin: 26px auto 0;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 232, 224, 0.12);
}

.page-news .tl-dot--season { background: var(--violet); box-shadow: 0 0 0 4px rgba(164, 107, 255, 0.14); }
.page-news .tl-dot--dev { background: var(--gold); box-shadow: 0 0 0 4px rgba(255, 194, 75, 0.14); }
.page-news .tl-dot--notice { background: var(--ok); box-shadow: 0 0 0 4px rgba(70, 227, 155, 0.14); }

.page-news .tl-card {
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  overflow: hidden;
  transition: background 0.32s var(--ease), border-color 0.32s var(--ease);
}

.page-news .tl-card[open] {
  background: var(--raised);
  border-color: rgba(53, 232, 224, 0.32);
}

.page-news .tl-card > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-news .tl-card > summary::-webkit-details-marker { display: none; }

.page-news .tl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .tl-week {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--soft);
}

.page-news .tl-tag {
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 11.5px;
  line-height: 1.6;
  border: 1px solid currentColor;
  color: var(--cyan);
  background: rgba(53, 232, 224, 0.08);
}

.page-news .tl-tag--season { color: var(--violet); background: rgba(164, 107, 255, 0.1); }
.page-news .tl-tag--dev { color: var(--gold); background: rgba(255, 194, 75, 0.1); }
.page-news .tl-tag--notice { color: var(--ok); background: rgba(70, 227, 155, 0.1); }

.page-news .tl-ver {
  grid-column: 2;
  grid-row: 1;
  font-size: 12.5px;
  color: var(--soft);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .tl-title {
  grid-column: 1 / -1;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-news .tl-body {
  padding: 0 18px 20px;
  margin-top: -2px;
}

.page-news .tl-body::before {
  content: "";
  display: block;
  height: 1px;
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--line), rgba(42, 58, 114, 0));
}

.page-news .tl-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--soft);
}

/* ---------- 四栏分类索引 ---------- */
.page-news .track-grid {
  display: grid;
  gap: 16px;
}

.page-news .track-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(158deg, rgba(28, 42, 92, 0.66), rgba(11, 18, 48, 0.9));
  text-decoration: none;
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), background 0.32s var(--ease);
}

.page-news .track-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22px;
  right: 22px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--cyan);
}

.page-news .track-card--season::before { background: var(--violet); }
.page-news .track-card--dev::before { background: var(--gold); }
.page-news .track-card--notice::before { background: var(--ok); }

.page-news .track-card__num {
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-news .track-card--season .track-card__num { color: var(--violet); }
.page-news .track-card--dev .track-card__num { color: var(--gold); }
.page-news .track-card--notice .track-card__num { color: var(--ok); }

.page-news .track-card__unit {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--soft);
}

.page-news .track-card__title {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
}

.page-news .track-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--soft);
}

.page-news .track-card__link {
  margin-top: auto;
  padding-top: 12px;
  font-size: 13.5px;
  color: var(--cyan);
  border-top: 1px solid var(--line);
}

.page-news .track-card--season .track-card__link { color: var(--violet); }
.page-news .track-card--dev .track-card__link { color: var(--gold); }
.page-news .track-card--notice .track-card__link { color: var(--ok); }

.page-news .track-visual {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.page-news .track-visual__frame {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night);
}

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

/* ---------- 长期跟踪 ---------- */
.page-news .news-follow__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-follow__lead h2 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 33px);
  line-height: 1.34;
  color: var(--text);
}

.page-news .news-follow__lead > p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--soft);
}

.page-news .follow-list {
  margin: 26px 0 0;
  display: grid;
  gap: 2px;
}

.page-news .follow-item {
  padding: 16px 18px;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(19, 28, 66, 0.7), rgba(19, 28, 66, 0));
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-news .follow-item dt {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-news .follow-item dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--soft);
}

.page-news .news-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-follow__figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night);
}

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

/* ---------- 值得回看的十期 ---------- */
.page-news .news-archive .news-head {
  max-width: 64ch;
}

.page-news .archive-grid {
  display: grid;
  gap: 18px;
}

.page-news .arch-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(152deg, rgba(28, 42, 92, 0.5), rgba(11, 18, 48, 0.86));
}

.page-news .arch-card__idx {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-news .arch-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--text);
}

.page-news .arch-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--soft);
}

.page-news .news-archive__cta {
  margin-top: 34px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(120deg, rgba(53, 232, 224, 0.08), rgba(164, 107, 255, 0.1) 58%, rgba(11, 18, 48, 0.2));
}

.page-news .news-archive__cta p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}

.page-news .news-archive__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-news .tl-item {
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 16px;
  }

  .page-news .tl::before { left: 10px; }

  .page-news .tl-card > summary {
    padding: 18px 22px;
  }

  .page-news .tl-body {
    padding: 0 22px 22px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: 44px;
  }

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

  .page-news .news-follow__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    align-items: start;
    gap: 46px;
  }

  .page-news .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

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

  .page-news .track-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .tl-item {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 20px;
  }

  .page-news .tl::before { left: 12px; }

  .page-news .tl-item:nth-child(odd) .tl-card {
    margin-right: 26px;
  }

  .page-news .tl-item:nth-child(even) .tl-card {
    margin-left: 26px;
  }

  .page-news .track-visual {
    max-width: 980px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-card,
  .page-news .track-card {
    transition: none;
  }
}