.page-news {
  --news-gap: clamp(1.75rem, 4vw, 3.5rem);
}

/* 面包屑 */
.page-news .breadcrumb {
  padding-top: 1.25rem;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-news .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--line);
}

.page-news .breadcrumb-link {
  color: var(--sage);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-news .breadcrumb-link:hover,
.page-news .breadcrumb-link:focus-visible {
  color: var(--mint);
}

.page-news .breadcrumb-current {
  color: var(--mint-soft);
}

/* 专题封面 */
.page-news .news-cover {
  position: relative;
  overflow: hidden;
  padding: var(--news-gap) 0;
}

.page-news .news-cover::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(44rem, 92vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(61, 245, 176, 0.2), rgba(61, 245, 176, 0) 68%);
  pointer-events: none;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  bottom: 4%;
  left: -12%;
  width: min(28rem, 72vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 180, 84, 0.11), rgba(255, 180, 84, 0) 70%);
  pointer-events: none;
}

.page-news .news-cover > .wrap {
  position: relative;
  z-index: 1;
}

.page-news .cover-grid {
  align-items: end;
  row-gap: 1.75rem;
}

.page-news .cover-kicker {
  margin: 0 0 0.9rem;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-news .cover-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.9rem, 11vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-news .cover-sub {
  max-width: 34em;
  margin: 0 0 1.5rem;
  font-size: clamp(0.95rem, 2.2vw, 1.08rem);
  line-height: 1.8;
  color: var(--sage);
}

.page-news .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-news .cover-aside {
  padding: 1.15rem 1.1rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(165deg, var(--ink-800), var(--ink-900));
}

.page-news .aside-label {
  margin: 0 0 0.55rem;
  font-family: var(--font-serif);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--sage);
}

.page-news .cover-index {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cover-index a {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.5rem 0.55rem;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  color: var(--fog);
  font-size: 0.92rem;
  text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-news .cover-index a:hover,
.page-news .cover-index a:focus-visible {
  background: var(--ink-700);
  border-color: var(--line);
  transform: translateX(3px);
}

.page-news .idx-num {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .cover-figure {
  margin: var(--news-gap) 0 0;
}

.page-news .cover-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 分类索引 */
.page-news .cats {
  padding: var(--news-gap) 0;
}

.page-news .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cat-card a {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  height: 100%;
  padding: 1.25rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-news .cat-card a:hover,
.page-news .cat-card a:focus-visible {
  transform: translateY(-3px);
  border-color: var(--mint);
  background: var(--ink-700);
}

.page-news .cat-num {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .cat-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: var(--mint-soft);
}

.page-news .cat-text {
  flex: 1;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--sage);
}

.page-news .cat-go {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mint);
}

/* 最新条目 */
.page-news .latest {
  padding: var(--news-gap) 0;
}

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

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

.page-news .entry-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.3rem 1rem;
  padding: 1.1rem 0.2rem;
  color: inherit;
  text-decoration: none;
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-news .entry-link:hover,
.page-news .entry-link:focus-visible {
  background: rgba(61, 245, 176, 0.055);
  padding-left: 0.8rem;
}

.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .entry-tag {
  justify-self: end;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--mint-soft);
  white-space: nowrap;
}

.page-news .entry-title {
  grid-column: 1 / -1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.08rem, 2.6vw, 1.42rem);
  line-height: 1.3;
  color: var(--fog);
}

.page-news .entry-summary {
  grid-column: 1 / -1;
  max-height: 8rem;
  overflow: hidden;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--sage);
  opacity: 1;
  transition: max-height 0.2s var(--ease), opacity 0.2s var(--ease);
}

@media (hover: hover) {
  .page-news .entry-summary {
    max-height: 0;
    opacity: 0;
  }

  .page-news .entry-link:hover .entry-summary,
  .page-news .entry-link:focus-visible .entry-summary {
    max-height: 8rem;
    opacity: 1;
  }
}

/* 赛季阶段时间线 */
.page-news .timeline {
  padding: var(--news-gap) 0;
}

.page-news .phase-track {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .phase-track::before {
  content: "";
  position: absolute;
  left: 0.32rem;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 1px;
  background: var(--line);
}

.page-news .phase {
  position: relative;
  padding-left: 1.9rem;
}

.page-news .phase-dot {
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(61, 245, 176, 0.14);
}

.page-news .phase-name {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--mint-soft);
}

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

/* 专题区块 */
.page-news .topic {
  padding: var(--news-gap) 0;
}

.page-news .topic-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}

.page-news .topic-figure {
  margin: 0;
}

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

.page-news .topic-num {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-news .topic-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-news .topic-text p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--sage);
}

.page-news .topic-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
  color: var(--mint);
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .topic-link:hover,
.page-news .topic-link:focus-visible {
  color: var(--mint-soft);
  border-bottom-color: var(--mint);
}

.page-news .version-list {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.page-news .version-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: baseline;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--line);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--sage);
}

.page-news .v-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--amber);
}

.page-news .news-steps {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.page-news .news-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: baseline;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--sage);
}

.page-news .s-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mint);
}

/* 更新节奏 */
.page-news .rhythm {
  padding: var(--news-gap) 0;
}

.page-news .rhythm-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--line);
  overflow: hidden;
}

.page-news .rhythm-list li {
  display: grid;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem;
  background: var(--ink-800);
}

.page-news .rhythm-when {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--mint);
}

.page-news .rhythm-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--sage);
}

/* 选题反馈 */
.page-news .news-cta {
  padding: var(--news-gap) 0 calc(var(--news-gap) * 1.15);
}

.page-news .cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 4vw, 2.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, var(--ink-700), var(--ink-800) 58%, var(--ink-900));
}

.page-news .cta-panel::after {
  content: "";
  position: absolute;
  top: -7rem;
  right: -7rem;
  width: 19rem;
  height: 19rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 180, 84, 0.18), rgba(255, 180, 84, 0) 70%);
  pointer-events: none;
}

.page-news .cta-panel h2 {
  position: relative;
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  line-height: 1.15;
  color: var(--fog);
}

.page-news .cta-panel p {
  position: relative;
  max-width: 42em;
  margin: 0 0 1.4rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--sage);
}

.page-news .cta-panel .btn {
  position: relative;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .page-news .rhythm-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 820px) {
  .page-news .phase-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-news .phase-track::before {
    left: 0;
    right: 0;
    top: 0.5rem;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--line), var(--mint), var(--line));
  }

  .page-news .phase {
    padding: 2rem 1.1rem 0 0;
  }

  .page-news .phase-dot {
    top: 0.15rem;
    left: 0;
  }
}

@media (min-width: 860px) {
  .page-news .topic-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.5rem;
  }

  .page-news .topic-inner--flip .topic-figure {
    order: 2;
  }
}

@media (min-width: 1000px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1040px) {
  .page-news .rhythm-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

已完成。`main_html` 严格从 `<main id="main-content" class="page-news">` 开始到 `</main>` 结束，`page_css` 所有选择器限定在 `.page-news` 作用域内，页面以杂志式专题封面、分类索引、可展开条目流、横向赛季时间线与专题区块组织，共 4 张占位图。