.page-news {
  --cat-brief: var(--orange);
  --cat-roster: var(--amber);
  --cat-data: var(--indigo);
  --cat-feature: var(--wine);
  --cat-notice: var(--teal);
  background: var(--mist);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-news .section {
  padding-block: clamp(40px, 6vw, 84px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(104px, 15vh, 156px) 0 clamp(36px, 5vw, 60px);
  background:
    radial-gradient(120% 90% at 88% -5%, rgba(47, 167, 154, .32), transparent 62%),
    radial-gradient(80% 70% at 5% 96%, rgba(228, 80, 42, .18), transparent 58%),
    linear-gradient(158deg, #0B1B26 0%, #0A1F2B 48%, #102A38 100%);
  color: var(--mist);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -30%;
  width: 58%;
  height: 170%;
  background: linear-gradient(180deg, rgba(14, 110, 99, .40), rgba(35, 48, 107, .20) 58%, transparent);
  transform: rotate(9deg);
  pointer-events: none;
}

.page-news .news-hero .shell {
  position: relative;
  z-index: 1;
}

.page-news .news-hero .crumbs {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-hero .crumbs ol,
.page-news .news-hero .crumbs li,
.page-news .news-hero .crumbs a {
  color: rgba(245, 248, 247, .68);
}

.page-news .hero-head {
  display: grid;
  gap: 16px;
}

.page-news .hero-head .eyebrow {
  color: var(--amber);
}

.page-news .hero-head h1 {
  max-width: 16em;
  margin: 0;
  font-size: clamp(2rem, 6vw, 4.1rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: #fff;
}

.page-news .hero-lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(245, 248, 247, .78);
}

.page-news .news-hero .v-note {
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: .35em;
  color: rgba(245, 248, 247, .52);
  justify-self: start;
}

.page-news .hero-stats {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(245, 248, 247, .14);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
}

.page-news .hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(245, 248, 247, .72);
}

.page-news .hero-stats b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-news .hero-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-news .lead,
.page-news .hero-side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #0F2430;
  border-top: 3px solid var(--cat-brief);
  padding: 0;
}

.page-news .hero-side {
  padding: 20px 18px 18px;
  border-top-color: var(--cat-roster);
}

.page-news .hero-side--notice {
  border-top-color: var(--cat-notice);
  background: #10262E;
}

.page-news .lead__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #08161e;
}

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

.page-news .lead__body {
  padding: 18px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .lead__body h2 {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: #fff;
}

.page-news .lead__body p,
.page-news .hero-side p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 248, 247, .74);
}

.page-news .hero-side h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  color: #fff;
}

.page-news .lead__meta,
.page-news .hero-side__meta {
  margin-top: auto;
  padding-top: 8px;
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(245, 248, 247, .5);
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  line-height: 1.6;
  white-space: nowrap;
}

.page-news .tag--brief { background: var(--cat-brief); color: #fff; }
.page-news .tag--roster { background: var(--cat-roster); color: var(--ink); }
.page-news .tag--data { background: var(--cat-data); color: #fff; }
.page-news .tag--feature { background: var(--cat-feature); color: #fff; }
.page-news .tag--notice { background: var(--cat-notice); color: #fff; }

/* ---------- 筛选 ---------- */
.page-news .news-filter {
  background: var(--mist);
}

.page-news .filter-head h2,
.page-news .stream-head h2,
.page-news .topics__head h2,
.page-news .contribute__text h2,
.page-news .news-cta h2 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.25;
  color: var(--text);
}

.page-news .filter-head p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: #4a5a63;
}

.page-news .filter-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .filter-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #67787f;
}

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

.page-news .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}

.page-news .chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--chip-c, var(--teal));
}

.page-news .chip:hover {
  border-color: var(--teal-soft);
  transform: translateY(-1px);
}

.page-news .chip:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .chip--all {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.page-news .chip--all::before { background: var(--amber); }
.page-news .chip--brief { --chip-c: var(--cat-brief); }
.page-news .chip--roster { --chip-c: var(--cat-roster); }
.page-news .chip--data { --chip-c: var(--cat-data); }
.page-news .chip--feature { --chip-c: var(--cat-feature); }
.page-news .chip--notice { --chip-c: var(--cat-notice); }
.page-news .chip--plain { --chip-c: var(--line); color: #3d4e57; }

/* ---------- 时间轴列表 ---------- */
.page-news .news-stream {
  background:
    linear-gradient(180deg, var(--mist) 0%, #EDF3F1 12%, #EDF3F1 88%, var(--mist) 100%);
}

.page-news .stream-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--teal), var(--teal-soft), var(--orange)) 1;
}

.page-news .stream-head .v-note {
  font-size: 11px;
  letter-spacing: .35em;
  color: #6b7d85;
}

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

.page-news .day {
  display: grid;
  gap: 10px;
  padding-bottom: 22px;
}

.page-news .day__stamp {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-news .day__mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .05em;
  color: var(--teal);
}

.page-news .day--notice .day__mono { color: var(--indigo); }

.page-news .day__hint {
  font-size: 12px;
  letter-spacing: .06em;
  color: #6b7d85;
}

.page-news .day__body {
  border-left: 2px solid var(--line);
  padding-left: 12px;
  display: flex;
  flex-direction: column;
}

.page-news .news-item {
  --cat: var(--teal);
  background: #fff;
  border-left: 4px solid var(--cat);
  margin-bottom: 8px;
}

.page-news .news-item--brief { --cat: var(--cat-brief); }
.page-news .news-item--roster { --cat: var(--cat-roster); }
.page-news .news-item--data { --cat: var(--cat-data); }
.page-news .news-item--feature { --cat: var(--cat-feature); }
.page-news .news-item--notice { --cat: var(--cat-notice); }

.page-news .news-item:target {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .news-item > summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  min-height: 48px;
  padding: 14px 44px 14px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-item > summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--teal);
}

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

.page-news .news-item > summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-news .news-item__title {
  flex: 1 1 100%;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

.page-news .news-item__meta {
  flex: 1 1 100%;
  font-size: 12px;
  letter-spacing: .04em;
  color: #6b7d85;
}

.page-news .news-item__body {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #40525b;
}

.page-news .news-item__body p {
  margin: 0 0 10px;
}

.page-news .news-item__body p:last-child { margin-bottom: 0; }

.page-news .news-figure {
  margin: 14px 0 0;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-s);
}

.page-news .news-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .04em;
  color: #6b7d85;
}

/* ---------- 专题条带 ---------- */
.page-news .topics {
  background: var(--ink);
  color: var(--mist);
  padding-bottom: clamp(34px, 5vw, 60px);
}

.page-news .topics__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.page-news .topics__head h2 {
  color: #fff;
}

.page-news .topics__head p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 248, 247, .72);
}

.page-news .topics__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px var(--shell-pad) 24px;
  max-width: var(--shell-max);
  margin-inline: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .topics__track:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-news .topic {
  flex: 0 0 80%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: #14303D;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .topic--lead {
  background: linear-gradient(180deg, #17384A 0%, #12303E 100%);
}

.page-news .topic__media {
  aspect-ratio: 12 / 7;
  overflow: hidden;
  background: #0b1b26;
}

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

.page-news .topic__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 22px;
}

.page-news .topic__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-news .topic h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.page-news .topic p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(245, 248, 247, .7);
}

.page-news .topic__status {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid rgba(245, 248, 247, .14);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--teal-soft);
}

/* ---------- 供稿 ---------- */
.page-news .contribute {
  background: #EDF3F1;
}

.page-news .contribute__grid {
  display: grid;
  gap: 26px;
}

.page-news .contribute__text p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: #40525b;
}

.page-news .steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .steps li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-news .steps__no {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--orange);
  padding-top: 2px;
}

.page-news .steps h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
}

.page-news .steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #4a5a63;
}

.page-news .contribute__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .contribute__card {
  padding: 22px 20px;
  border-radius: var(--r-m);
  background: rgba(255, 255, 255, .62);
  border: 1px solid rgba(14, 110, 99, .18);
  align-self: start;
}

.page-news .contribute__card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-news .contact-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .contact-list li {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(14, 110, 99, .14);
}

.page-news .contact-list li span:first-child {
  font-size: 12px;
  letter-spacing: .1em;
  color: #6b7d85;
}

.page-news .contact-list li span:last-child,
.page-news .contact-list li a {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
  text-decoration: none;
}

.page-news .contact-list li a {
  color: var(--teal);
  font-weight: 600;
}

.page-news .contact-list li a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .contact-note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.8;
  color: #4a5a63;
}

/* ---------- 结尾色带 ---------- */
.page-news .news-cta {
  background: linear-gradient(118deg, var(--ink) 0%, #12293A 52%, #1B2545 100%);
  border-top: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--teal-soft), var(--orange), var(--indigo)) 1;
  color: var(--mist);
  padding-block: clamp(34px, 5vw, 58px);
}

.page-news .news-cta__inner {
  display: grid;
  gap: 20px;
}

.page-news .news-cta h2 {
  color: #fff;
}

.page-news .news-cta p {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 248, 247, .74);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .topic { flex: 0 0 320px; }

  .page-news .news-item__title { flex: 1 1 auto; }

  .page-news .news-item__meta {
    flex: 0 0 auto;
    margin-left: auto;
  }
}

@media (min-width: 860px) {
  .page-news .hero-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }

  .page-news .contribute__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 40px;
    align-items: start;
  }

  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 34px;
  }

  .page-news .day {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: 28px;
    padding-bottom: 30px;
  }

  .page-news .day__stamp {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-news .day__body {
    padding-left: 22px;
  }
}

@media (min-width: 1000px) {
  .page-news .hero-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .chip,
  .page-news .news-item > summary::after {
    transition: none;
  }
}
<<<END>>>