.page-news {
  --news-line: #26374F;
  --news-line-soft: rgba(38, 55, 79, 0.6);
  --news-cyan: #33E1F2;
  --news-cyan-soft: rgba(51, 225, 242, 0.16);
  --news-orange: #FF7A1A;
  --news-orange-soft: rgba(255, 122, 26, 0.18);
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 5vw, 68px);
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(18px, 3vw, 36px) var(--gutter) clamp(56px, 8vw, 104px);
  box-sizing: border-box;
  font-family: var(--font-body);
  color: var(--warm-50);
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news .breadcrumb {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--news-line);
  box-shadow: var(--shadow-hard);
  padding: clamp(22px, 4vw, 54px);
  background:
    radial-gradient(120% 100% at 100% 0%, var(--news-cyan-soft), transparent 58%),
    radial-gradient(90% 80% at 0% 110%, var(--news-orange-soft), transparent 62%),
    linear-gradient(158deg, var(--ink-850) 0%, var(--ink-950) 72%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(38, 55, 79, 0.5) 0 1px, transparent 1px 64px);
  opacity: 0.5;
}

.page-news .news-hero__eyebrow {
  position: relative;
  margin: 0 0 16px;
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--gray-400);
  text-transform: uppercase;
}

.page-news .news-hero__title {
  position: relative;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-h1);
  line-height: 0.98;
  letter-spacing: -0.01em;
  max-width: 16em;
  color: var(--warm-50);
}

.page-news .news-hero__lead {
  position: relative;
  margin: 20px 0 0;
  max-width: 38em;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(245, 242, 234, 0.8);
}

.page-news .news-hero__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .news-hero__stat {
  background: var(--ink-950);
  padding: 16px 18px;
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
}

.page-news .news-hero__key {
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  color: var(--gray-400);
}

.page-news .news-hero__num {
  margin: 0;
  font-size: var(--fs-mono-xl);
  font-weight: 600;
  line-height: 1;
  color: var(--news-cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- 筛选 ---------- */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding: 16px 0;
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-filter__label {
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--gray-400);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 8px 20px;
  border-radius: 999px;
  border: 2px solid var(--news-line);
  background: transparent;
  color: var(--warm-50);
  cursor: pointer;
  transition: background-color 0.18s ease-out, color 0.18s ease-out, border-color 0.18s ease-out;
}

.page-news .filter-btn:hover {
  border-color: var(--news-cyan);
  color: var(--news-cyan);
}

.page-news .filter-btn[aria-pressed="true"],
.page-news .filter-btn[aria-pressed="true"]:hover {
  background: var(--news-orange);
  border-color: var(--news-orange);
  color: var(--ink-950);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-feed {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 5vw, 64px);
}

.page-news .news-section {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-news .news-section__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-section__label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--news-cyan);
  text-transform: uppercase;
}

.page-news .news-section__label::after {
  content: "";
  flex: 1 1 auto;
  min-width: 30px;
  height: 1px;
  background: linear-gradient(90deg, rgba(51, 225, 242, 0.65), rgba(51, 225, 242, 0));
}

.page-news .news-section__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.06;
  letter-spacing: -0.005em;
  max-width: 22em;
}

.page-news .news-section__lead {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(245, 242, 234, 0.78);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .feed-item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--news-cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.24s ease-out;
}

.page-news .feed-item:hover::before,
.page-news .feed-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .feed-item__idx {
  grid-column: 1;
  grid-row: 1;
  padding-top: 5px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  font-variant-numeric: tabular-nums;
}

.page-news .feed-item__body {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .feed-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 2px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
  border: 1px solid currentColor;
}

.page-news .feed-tag[data-tag="transfer"] {
  color: var(--news-cyan);
  background: var(--news-cyan-soft);
}

.page-news .feed-tag[data-tag="season"] {
  color: var(--cyan-200);
  background: rgba(159, 238, 247, 0.12);
}

.page-news .feed-tag[data-tag="data"] {
  color: var(--orange-200);
  background: rgba(255, 196, 140, 0.14);
}

.page-news .feed-tag[data-tag="version"] {
  color: var(--news-orange);
  background: var(--news-orange-soft);
}

.page-news .feed-item__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray-400);
}

.page-news .feed-item__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.28;
  color: var(--warm-50);
}

.page-news .feed-item__excerpt {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(245, 242, 234, 0.76);
}

.page-news .feed-item__src {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray-400);
}

.page-news .feed-item--brief .feed-item__excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
}

.page-news .feed-item--brief:hover .feed-item__excerpt,
.page-news .feed-item--brief:focus-within .feed-item__excerpt {
  -webkit-line-clamp: 3;
}

.page-news .feed-item__media {
  grid-column: 2;
  grid-row: 2;
  margin: 16px 0 0;
  border: 2px solid var(--news-line);
  background: var(--ink-850);
  box-shadow: var(--shadow-hard-sm);
  overflow: hidden;
}

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

/* ---------- 归档折叠 ---------- */
.page-news .news-archive {
  border: 2px solid var(--news-line);
  background: var(--ink-850);
  box-shadow: var(--shadow-hard-sm);
}

.page-news .news-archive > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--news-cyan);
}

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

.page-news .news-archive > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--news-orange);
}

.page-news .news-archive[open] > summary::after {
  content: "−";
}

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

.page-news .news-archive__group > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--warm-50);
}

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

.page-news .news-archive__group > summary .mono {
  font-size: 12px;
  color: var(--gray-400);
}

.page-news .news-archive__list {
  margin: 0;
  padding: 4px 18px 16px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news .news-archive__list li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 242, 234, 0.74);
}

.page-news .news-archive__list .mono {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--news-cyan);
}

/* ---------- 版本侧栏 ---------- */
.page-news .news-section__body {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

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

.page-news .news-aside {
  border: 2px solid var(--news-line);
  background: var(--ink-850);
  box-shadow: var(--shadow-hard-sm);
  display: flex;
  flex-direction: column;
}

.page-news .news-aside__media {
  margin: 0;
  border-bottom: 1px solid var(--news-line);
  overflow: hidden;
}

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

.page-news .news-aside__body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .news-aside__title {
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--news-orange);
}

.page-news .news-aside__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(245, 242, 234, 0.76);
}

.page-news .news-aside__link {
  align-self: flex-start;
  font-size: 14px;
  color: var(--news-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 225, 242, 0.45);
  padding-bottom: 2px;
}

.page-news .news-aside__link:hover {
  color: var(--cyan-200);
  border-bottom-color: var(--cyan-200);
}

/* ---------- 收尾 ---------- */
.page-news .news-section--closing {
  border-top: 1px solid var(--news-line);
  padding-top: clamp(26px, 4vw, 44px);
}

.page-news .news-routes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .news-routes__item {
  background: var(--ink-950);
}

.page-news .news-routes__link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  color: var(--warm-50);
  text-decoration: none;
  transition: background-color 0.18s ease-out, color 0.18s ease-out;
}

.page-news .news-routes__link:hover {
  background: var(--ink-700);
  color: var(--news-cyan);
}

.page-news .news-routes__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

.page-news .news-routes__text {
  font-size: 15px;
  line-height: 1.6;
}

.page-news .news-routes__arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  text-align: right;
  color: var(--news-orange);
}

.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .feed-item {
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: 20px;
    padding: 24px 0;
  }

  .page-news .feed-item__title {
    font-size: 22px;
  }

  .page-news .feed-item--brief .feed-item__excerpt {
    -webkit-line-clamp: 2;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__title {
    max-width: 14em;
  }

  .page-news .feed-item--wide {
    grid-template-columns: 48px minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-news .feed-item--wide .feed-item__media {
    grid-column: 3;
    grid-row: 1;
    margin: 4px 0 0 30px;
  }

  .page-news .feed-item--wide .feed-item__title {
    font-size: 26px;
  }

  .page-news .news-section--split .news-section__body {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 34px;
    align-items: start;
  }

  .page-news .news-aside {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item::before,
  .page-news .filter-btn,
  .page-news .news-routes__link {
    transition: none;
  }
}
<<<END>>>