.page-news {
  --news-league: var(--cyan);
  --news-version: var(--coral);
  --news-venue: var(--lime);
  --news-community: var(--steel);
  --news-archive: var(--ice);
  --news-aside-w: 320px;
  padding-bottom: var(--s7);
}

/* ---------- 页头声明 ---------- */
.page-news .news-masthead {
  display: grid;
  gap: var(--s2);
  padding: var(--s3) 0 var(--s5);
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7vw, 76px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-masthead__lead {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}

@media (min-width: 920px) {
  .page-news .news-masthead {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: end;
    gap: var(--s5);
  }
}

/* ---------- 横向头条条带 ---------- */
.page-news .lead-strip {
  display: block;
  position: relative;
  margin-top: var(--s5);
  min-height: 320px;
  overflow: hidden;
  isolation: isolate;
  border-radius: 44px 12px 44px 12px;
  background: var(--surface);
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-lift);
}

.page-news .lead-strip__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-news .lead-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(104deg, rgba(5, 19, 31, 0.95) 0%, rgba(5, 19, 31, 0.76) 48%, rgba(10, 34, 51, 0.24) 100%),
    radial-gradient(130% 100% at 90% 8%, rgba(53, 224, 208, 0.24), transparent 60%);
  pointer-events: none;
}

.page-news .lead-strip__body {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--s2);
  padding: var(--s5) var(--s3) var(--s4);
}

.page-news .lead-strip__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .lead-strip__time {
  font-size: 12px;
  color: var(--ice);
  letter-spacing: 0.04em;
}

.page-news .lead-strip__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  max-width: 20ch;
}

.page-news .lead-strip__sum {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: #CFE1E9;
}

.page-news .lead-strip__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--s1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  transition: gap 0.24s ease;
}

.page-news .lead-strip:hover .lead-strip__more,
.page-news .lead-strip:focus-visible .lead-strip__more {
  gap: 14px;
}

@media (min-width: 920px) {
  .page-news .lead-strip {
    min-height: 440px;
  }
  .page-news .lead-strip__body {
    max-width: 76%;
    padding: var(--s7) var(--s6) var(--s6);
  }
  .page-news .lead-strip__sum {
    font-size: 16px;
  }
}

/* ---------- 两栏主结构 ---------- */
.page-news .news-columns {
  display: grid;
  gap: var(--s5);
  margin-top: var(--s6);
}

.page-news .news-stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: var(--s3);
}

.page-news .news-stream__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: -0.01em;
}

.page-news .news-stream__note {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

@media (min-width: 1000px) {
  .page-news .news-columns {
    grid-template-columns: minmax(0, 1fr) var(--news-aside-w);
    gap: var(--s6);
    align-items: start;
  }
  .page-news .news-aside {
    position: sticky;
    top: calc(var(--header-h) + var(--s3));
  }
}

/* ---------- 分类切换 ---------- */
.page-news .news-tabs .tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 0 10px;
  margin: 0;
  scrollbar-width: thin;
}

.page-news .news-tabs .tabs__btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .news-tabs .tabs__btn .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--steel);
  transition: color 0.2s ease;
}

.page-news .news-tabs .tabs__btn:hover:not([aria-selected="true"]) {
  border-color: var(--line-strong);
  color: var(--text);
}

.page-news .news-tabs .tabs__btn[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--abyss);
  font-weight: 600;
}

.page-news .news-tabs .tabs__btn[aria-selected="true"] .mono {
  color: var(--abyss);
  opacity: 0.72;
}

.page-news .news-tabs .tabs__btn:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-news .news-tabs .tabs__panel[hidden] {
  display: none;
}

/* ---------- 更新列表 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-news .news-row__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--text-muted);
}

.page-news .news-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--steel);
}

.page-news .news-dot--league {
  background: var(--news-league);
  box-shadow: 0 0 10px rgba(53, 224, 208, 0.55);
}

.page-news .news-dot--version {
  background: var(--news-version);
  box-shadow: 0 0 10px rgba(255, 107, 69, 0.45);
}

.page-news .news-dot--venue {
  background: var(--news-venue);
  box-shadow: 0 0 10px rgba(182, 255, 60, 0.4);
}

.page-news .news-dot--community {
  background: var(--news-community);
}

.page-news .news-dot--archive {
  background: var(--news-archive);
}

.page-news .news-row__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

.page-news .news-row__title a {
  color: var(--text);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.28s ease, color 0.2s ease;
}

.page-news .news-row__title a:hover,
.page-news .news-row__title a:focus-visible {
  color: var(--cyan);
  background-size: 100% 1px;
}

.page-news .news-row__sum {
  margin: 6px 0 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-news .news-row__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--steel);
}

.page-news .news-row__time {
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.page-news .news-row__read {
  font-size: 11px;
  color: var(--cyan);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  white-space: nowrap;
}

.page-news .news-row:hover .news-row__read,
.page-news .news-row:focus-within .news-row__read {
  opacity: 1;
  transform: none;
}

@media (min-width: 760px) {
  .page-news .news-row {
    grid-template-columns: 96px minmax(0, 1fr) 118px;
    gap: var(--s3);
    align-items: start;
    padding: 20px 0;
  }
  .page-news .news-row__meta {
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    text-align: right;
  }
  .page-news .news-row__tag {
    padding-top: 3px;
  }
}

/* ---------- 两条重点 ---------- */
.page-news .news-spot {
  margin-top: var(--s6);
}

.page-news .news-spot__title {
  margin: 0 0 var(--s3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: -0.01em;
}

.page-news .news-spot__grid {
  display: grid;
  gap: var(--s3);
}

.page-news .spot-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--s3);
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.24s ease, transform 0.24s ease;
}

.page-news .spot-card:hover,
.page-news .spot-card:focus-visible {
  border-color: rgba(53, 224, 208, 0.55);
  transform: translateY(-3px);
}

.page-news .spot-card__media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 16px;
  background: var(--harbor);
}

.page-news .spot-card__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .spot-card__label {
  color: var(--cyan);
}

.page-news .spot-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.45;
  color: var(--text);
}

.page-news .spot-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

@media (min-width: 640px) {
  .page-news .news-spot__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
  }
}

/* ---------- 侧栏：社区热度 ---------- */
.page-news .aside-block {
  padding: var(--s3);
  border-radius: 30px 12px 30px 12px;
  background: linear-gradient(160deg, rgba(18, 58, 80, 0.92), rgba(10, 34, 51, 0.72) 68%);
  border: 1px solid var(--line);
}

.page-news .aside-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.page-news .aside-block__note {
  margin: 8px 0 var(--s3);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .aside-block__img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 18px;
  margin-bottom: var(--s3);
}

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

.page-news .heat-item {
  border-top: 1px solid var(--line);
}

.page-news .heat-item__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

.page-news .heat-item__summary::-webkit-details-marker {
  display: none;
}

.page-news .heat-item__summary::marker {
  content: "";
}

.page-news .heat-item__summary:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-news .heat-item__zone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.page-news .heat-item__zone::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  flex: 0 0 auto;
}

.page-news .heat-item__spark {
  display: inline-flex;
  color: var(--steel);
}

.page-news .heat-item__spark svg {
  display: block;
}

.page-news .heat-item__trend {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-muted);
  white-space: nowrap;
}

.page-news .heat-item__trend--up {
  color: var(--lime);
  border-color: rgba(182, 255, 60, 0.42);
}

.page-news .heat-item__trend--new {
  color: var(--cyan);
  border-color: rgba(53, 224, 208, 0.42);
}

.page-news .heat-item__desc {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 2px solid rgba(53, 224, 208, 0.32);
  font-size: 13px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-news details[open] .heat-item__spark {
  color: var(--cyan);
}

/* ---------- 订阅与回访 ---------- */
.page-news .news-follow {
  margin-top: var(--s7);
  padding-top: var(--s5);
  border-top: 1px solid var(--line-strong);
}

.page-news .news-follow__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 24ch;
}

.page-news .news-follow__grid {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s4);
}

.page-news .follow-card {
  display: grid;
  gap: var(--s2);
  align-content: start;
  padding: var(--s4);
  border-radius: 30px 12px 30px 12px;
  background: linear-gradient(150deg, rgba(18, 58, 80, 0.86), rgba(10, 34, 51, 0.68) 66%);
  border: 1px solid var(--line);
}

.page-news .follow-card--cyan {
  background: linear-gradient(150deg, rgba(53, 224, 208, 0.16), rgba(10, 34, 51, 0.72) 64%);
  border-color: rgba(53, 224, 208, 0.32);
}

.page-news .follow-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--text);
}

.page-news .follow-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-news .follow-card__btn {
  justify-self: start;
  margin-top: 4px;
}

@media (min-width: 720px) {
  .page-news .news-follow__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
  }
}
<<<END>>>

等等，我在最后多写了一个 `<<<END>>>` 标记，这是不允许的。需要把它删掉。只输出 MAIN_HTML 和 PAGE_CSS 两个标记块。