.page-news {
  background: var(--color-paper);
  color: var(--color-text);
  overflow-x: clip;
}

/* ---------- 导语区 ---------- */
.page-news__intro-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
  align-items: end;
}

.page-news__intro-copy .section-kicker {
  color: var(--color-fire);
}

.page-news__intro-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 0.75rem;
  color: var(--color-space);
}

.page-news__intro-copy .section-desc {
  max-width: 60ch;
  color: var(--color-text);
}

.page-news__intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-news__intro-index {
  display: inline-flex;
  align-items: center;
  background: var(--color-space);
  color: var(--color-night);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.85rem;
  font-size: 0.75rem;
  white-space: nowrap;
}

.page-news__intro-visual {
  background: var(--color-space);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}

.page-news__intro-img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 最新动态 ---------- */
.page-news__updates {
  scroll-margin-top: 5rem;
}

.page-news__updates-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.page-news__log-main {
  min-width: 0;
}

.page-news__log-group + .page-news__log-group {
  margin-top: 2.75rem;
}

.page-news__log-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  margin-bottom: 0.25rem;
}

.page-news__log-count {
  font-size: 0.8rem;
  color: var(--color-ink);
  background: var(--color-silver-light);
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.7rem;
}

.page-news__log-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  column-gap: 1rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--color-silver-light);
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.page-news__log-item:last-of-type {
  border-bottom: 1px solid var(--color-silver-light);
}

.page-news__log-item:hover {
  background: linear-gradient(90deg, var(--color-silver-light), transparent);
  padding-left: 0.5rem;
}

.page-news__log-no {
  font-size: 0.78rem;
  color: var(--color-fire);
  letter-spacing: 0.03em;
  line-height: 1.7;
}

.page-news__log-body {
  grid-column: 2;
}

.page-news__log-body h3 {
  margin: 0 0 0.3rem;
  font-size: 1.08rem;
  line-height: 1.35;
  color: var(--color-space);
}

.page-news__log-body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--color-text);
  max-width: 65ch;
}

.page-news__log-meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}

.page-news__log-time {
  color: var(--color-ink);
  font-size: 0.8rem;
}

.page-news__log-more {
  margin-top: 0.65rem;
  font-size: 0.88rem;
}

.page-news__log-more summary {
  cursor: pointer;
  color: var(--color-fire);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  list-style: none;
}

.page-news__log-more summary::-webkit-details-marker {
  display: none;
}

.page-news__log-more summary::before {
  content: "+";
  color: var(--color-fire-grad);
  font-family: var(--font-mono);
}

.page-news__log-more[open] summary::before {
  content: "–";
}

.page-news__log-more ul {
  margin: 0.6rem 0 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.35rem;
  color: var(--color-ink);
  line-height: 1.55;
}

.page-news__log-more a {
  color: var(--color-fire);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 日志侧栏 ---------- */
.page-news__log-aside {
  background: var(--color-space);
  color: var(--color-night);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-card);
}

.page-news__log-aside::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--color-fire), var(--color-fire-grad));
  transform: skewX(-20deg);
  transform-origin: left top;
}

.page-news__aside-title {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-silver);
  margin: 0 0 0.75rem;
}

.page-news__aside-nav {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.page-news__aside-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0.25rem;
  color: var(--color-night);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: color 0.2s ease, padding-left 0.2s ease, background-color 0.2s ease;
}

.page-news__aside-link:hover {
  color: var(--color-white);
  padding-left: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
}

.page-news__aside-link .mono {
  color: var(--color-fire-grad);
}

.page-news__aside-status {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.page-news__aside-status > .mono {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-silver);
}

.page-news__aside-status ul {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-news__aside-status li {
  padding-left: 0.85rem;
  border-left: 3px solid var(--color-fire);
  color: var(--color-night);
  font-size: 0.9rem;
  line-height: 1.5;
}

.page-news__aside-about {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.92rem;
  line-height: 1.6;
}

.page-news__aside-about a {
  color: var(--color-fire-grad);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
}

/* ---------- 日志标签 ---------- */
.page-news__tag-tech {
  background: var(--color-space);
  color: var(--color-night);
  border: 1px solid var(--color-silver);
}

.page-news__tag-content {
  background: var(--color-silver-light);
  color: var(--color-ink);
}

.page-news__tag-product {
  background: var(--color-paper);
  color: var(--color-fire);
  border: 1px solid var(--color-fire);
}

/* ---------- 赛季专题回顾 ---------- */
.page-news__topics {
  scroll-margin-top: 5rem;
}

.page-news__topic-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 2.5rem;
}

.page-news__topic-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news__topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-news__topic-cover {
  position: relative;
  background: var(--color-ink);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-news__topic-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news__topic-flag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-fire);
  color: var(--color-white);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  z-index: 2;
  box-shadow: var(--shadow-fire);
}

.page-news__topic-content {
  padding: 1.1rem 1.25rem 1.5rem;
}

.page-news__topic-content h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
  margin: 0.6rem 0 0.5rem;
  color: var(--color-space);
}

.page-news__topic-content p {
  margin: 0;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-news__topic-content .btn {
  margin-top: 1.1rem;
}

.page-news__topic-card--lead .page-news__topic-content {
  background:
    radial-gradient(circle at 80% 10%, rgba(255, 107, 0, 0.25), transparent 40%),
    linear-gradient(150deg, var(--color-space), var(--color-ink));
  color: var(--color-white);
}

.page-news__topic-card--lead .page-news__topic-content h3 {
  color: var(--color-white);
}

.page-news__topic-card--lead .page-news__topic-content p {
  color: var(--color-night);
}

.page-news__topic-card--lead .btn {
  align-self: flex-start;
}

.page-news__tag-silver {
  background: var(--color-silver-light);
  color: var(--color-space);
}

/* ---------- 版本演进脉络 ---------- */
.page-news__versions {
  scroll-margin-top: 5rem;
}

.page-news__timeline-wrap {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.page-news__timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news__timeline-list::before {
  content: "";
  position: absolute;
  left: calc(4rem - 1px);
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--color-silver), var(--color-fire));
}

.page-news__timeline-item {
  position: relative;
  padding-left: 4.5rem;
  padding-bottom: 2rem;
}

.page-news__timeline-item::before {
  content: "";
  position: absolute;
  left: calc(4rem - 6px);
  top: 0.3rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-paper);
  box-shadow: inset 0 0 0 3px var(--color-silver);
}

.page-news__timeline-item--current::before {
  background: var(--color-fire);
  box-shadow: 0 0 0 6px rgba(255, 77, 0, 0.18), 0 0 22px rgba(255, 77, 0, 0.55);
}

.page-news__tl-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 3.75rem;
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-space);
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-news__timeline-item--current .page-news__tl-marker {
  color: var(--color-fire);
}

.page-news__tl-content h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.25;
  color: var(--color-space);
}

.page-news__tl-content p {
  margin: 0;
  max-width: 58ch;
  line-height: 1.6;
  color: var(--color-text);
  font-size: 0.95rem;
}

.page-news__tl-btn {
  margin-top: 1rem;
}

.page-news__timeline-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ---------- 日志页收尾 ---------- */
.page-news__next-card {
  position: relative;
  overflow: hidden;
  background: var(--color-space);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  gap: 1.5rem;
  box-shadow: var(--shadow-lift);
}

.page-news__next-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--color-fire), var(--color-fire-grad));
  transform: skewX(-18deg);
  transform-origin: top left;
}

.page-news__next-card .section-kicker {
  color: var(--color-fire-grad);
}

.page-news__next-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.15;
  margin: 0.5rem 0 0.75rem;
  color: var(--color-white);
}

.page-news__next-card p {
  color: var(--color-night);
  max-width: 60ch;
  margin: 0;
}

.page-news__next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 响应式排版 ---------- */
@media (min-width: 700px) {
  .page-news__log-item {
    grid-template-columns: 4.5rem 1fr auto;
    align-items: center;
  }

  .page-news__log-body {
    grid-column: auto;
  }

  .page-news__log-meta {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-end;
    margin-top: 0;
    gap: 0.3rem;
  }
}

@media (min-width: 800px) {
  .page-news__intro-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-news__next-card {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news__topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-news__topic-card--lead {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-news__topic-card--lead .page-news__topic-cover {
    height: 100%;
    min-height: 100%;
  }

  .page-news__topic-card--lead .page-news__topic-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

@media (min-width: 1000px) {
  .page-news__updates-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-news__log-aside {
    position: sticky;
    top: 2rem;
  }

  .page-news__timeline-wrap {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-news__timeline-visual img {
    aspect-ratio: 3 / 4;
  }
}