.page-news {
  --pn-rule: rgba(44, 26, 18, 0.14);
  --pn-rule-strong: rgba(44, 26, 18, 0.3);
  --pn-rule-light: rgba(246, 240, 228, 0.18);
  background: var(--fx-cream);
  color: var(--fx-ink);
  overflow-x: hidden;
}

/* ---------- 报头 ---------- */
.page-news .topic-masthead {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(24px, 5vw, 64px)) 0 clamp(26px, 4vw, 52px);
  background: var(--fx-cream);
}

.page-news .topic-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--fx-orange) 0 42%,
    var(--fx-green) 42% 72%,
    var(--fx-gold) 72% 100%
  );
}

.page-news .masthead-shard {
  position: absolute;
  top: -12%;
  right: -8%;
  width: min(60vw, 560px);
  height: 132%;
  background: linear-gradient(200deg, var(--fx-orange), var(--fx-orange-deep));
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 74%);
  opacity: 0.13;
  pointer-events: none;
}

.page-news .breadcrumb {
  margin-bottom: clamp(14px, 3vw, 26px);
}

.page-news .crumb-sep {
  margin: 0 8px;
  opacity: 0.5;
}

.page-news .masthead-grid {
  display: grid;
  gap: clamp(20px, 4vw, 48px);
}

.page-news .topic-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 10.5vw, 118px);
  line-height: 0.94;
  letter-spacing: -0.04em;
  color: var(--fx-ink);
}

.page-news .t-line {
  display: block;
}

.page-news .t-line--accent {
  color: var(--fx-orange);
}

.page-news .topic-lede {
  margin: 0 0 clamp(18px, 3vw, 28px);
  max-width: 34em;
  padding-left: 16px;
  border-left: 3px solid var(--fx-orange);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
  color: rgba(44, 26, 18, 0.82);
}

.page-news .masthead-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--pn-rule);
  border-top: 1px solid var(--pn-rule);
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .masthead-stats > div {
  padding: 12px 10px 14px;
  background: var(--fx-cream);
}

.page-news .masthead-stats dt {
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fx-green);
}

.page-news .masthead-stats dd {
  margin: 0;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--fx-ink);
}

/* ---------- 栏目跳转条 ---------- */
.page-news .topic-filters {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: var(--fx-night);
  border-bottom: 1px solid var(--fx-gold);
}

.page-news .filters-shell {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .filters-shell::-webkit-scrollbar {
  display: none;
}

.page-news .filters-label {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--fx-gold);
}

.page-news .filter-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .filter-btn {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 14px;
  font-size: 14px;
  line-height: 1.2;
  color: var(--fx-cream);
  text-decoration: none;
  border: 1px solid rgba(246, 240, 228, 0.28);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-news .filter-btn:hover,
.page-news .filter-btn:focus-visible {
  background: var(--fx-orange);
  border-color: var(--fx-orange);
  color: var(--fx-white);
}

/* ---------- 区块骨架 ---------- */
.page-news .topic-section {
  padding: clamp(44px, 7vw, 96px) 0;
  scroll-margin-top: calc(var(--header-h) + 64px);
}

.page-news .topic-section--night {
  background: var(--fx-night);
  color: var(--fx-cream);
}

.page-news .topic-section--tint {
  background: var(--fx-green-soft);
}

.page-news .section-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-news .section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.page-news .section-note {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(44, 26, 18, 0.7);
}

.page-news .topic-section--night .section-note {
  color: rgba(246, 240, 228, 0.72);
}

.page-news .topic-section--night .eyebrow {
  color: var(--fx-gold);
}

.page-news .topic-more {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-news .topic-section--night .btn-outline {
  color: var(--fx-cream);
  border-color: rgba(246, 240, 228, 0.42);
}

.page-news .topic-section--night .btn-outline:hover {
  background: var(--fx-cream);
  color: var(--fx-night);
}

/* ---------- 焦点专题 ---------- */
.page-news .focus-story {
  display: grid;
  gap: clamp(20px, 4vw, 48px);
  padding-top: clamp(18px, 3vw, 30px);
  border-top: 3px solid var(--fx-ink);
}

.page-news .focus-media {
  margin: 0;
}

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

.page-news .focus-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fx-green);
}

.page-news .focus-no {
  color: var(--fx-orange);
}

.page-news .focus-headline {
  margin: 0 0 16px;
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.page-news .focus-abstract {
  margin: 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(44, 26, 18, 0.78);
}

.page-news .focus-points {
  margin: 22px 0 26px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pn-rule);
}

.page-news .focus-points li {
  position: relative;
  padding: 11px 0 11px 26px;
  border-bottom: 1px solid var(--pn-rule);
  font-size: 15.5px;
  line-height: 1.6;
}

.page-news .focus-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 10px;
  background: var(--fx-orange);
}

/* ---------- 轮次观察 ---------- */
.page-news .rounds-media {
  margin: 0 0 clamp(22px, 4vw, 38px);
}

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

.page-news .round-list {
  column-count: 1;
  column-gap: clamp(24px, 4vw, 56px);
  column-rule: 1px solid var(--pn-rule-light);
}

.page-news .round-item {
  break-inside: avoid;
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--pn-rule-light);
}

.page-news .round-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-news .round-idx {
  color: var(--fx-gold);
  font-size: 15px;
}

.page-news .round-league {
  color: var(--fx-green-soft);
}

.page-news .round-kind {
  color: rgba(246, 240, 228, 0.5);
}

.page-news .round-title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--fx-white);
}

.page-news .round-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 240, 228, 0.74);
}

/* ---------- 版本动态 ---------- */
.page-news .release-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .release-media {
  margin: 0;
}

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

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

.page-news .release-item {
  display: grid;
  gap: 8px 20px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .release-ver {
  justify-self: start;
  padding: 4px 9px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--fx-ink);
  background: rgba(201, 162, 39, 0.14);
  border: 1px solid var(--fx-gold);
}

.page-news .release-item h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .release-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(44, 26, 18, 0.72);
}

/* ---------- 使用技巧 ---------- */
.page-news .tips-grid {
  display: grid;
  gap: 1px;
  background: rgba(44, 26, 18, 0.16);
  border-top: 1px solid rgba(44, 26, 18, 0.16);
  border-bottom: 1px solid rgba(44, 26, 18, 0.16);
}

.page-news .tip-card {
  padding: clamp(20px, 3vw, 32px);
  background: var(--fx-cream);
}

.page-news .tip-no {
  display: block;
  margin-bottom: 10px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--fx-orange);
}

.page-news .tip-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .tip-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(44, 26, 18, 0.76);
}

.page-news .tips-media {
  margin: clamp(22px, 4vw, 36px) 0 0;
}

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

/* ---------- 系列索引 ---------- */
.page-news .series-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  list-style: none;
}

.page-news .series-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  font-size: 14px;
  color: var(--fx-ink);
  text-decoration: none;
  border: 1px solid var(--pn-rule-strong);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .series-tag .mono {
  font-size: 12px;
  color: var(--fx-green);
}

.page-news .series-tag:hover,
.page-news .series-tag:focus-visible {
  background: var(--fx-night);
  border-color: var(--fx-night);
  color: var(--fx-cream);
}

.page-news .series-tag:hover .mono,
.page-news .series-tag:focus-visible .mono {
  color: var(--fx-gold);
}

.page-news .series-groups {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .series-group {
  padding-top: 14px;
  border-top: 2px solid var(--fx-ink);
  scroll-margin-top: calc(var(--header-h) + 80px);
}

.page-news .series-group h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

.page-news .series-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--pn-rule);
  font-size: 15px;
  line-height: 1.6;
}

.page-news .series-list .mono {
  padding-top: 3px;
  font-size: 12px;
  color: var(--fx-green);
}

.page-news .series-drawer {
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--pn-rule);
}

.page-news .series-drawer summary {
  display: flex;
  align-items: center;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--fx-orange);
  cursor: pointer;
  list-style: none;
}

.page-news .series-drawer summary::-webkit-details-marker {
  display: none;
}

.page-news .series-drawer summary::before {
  content: "＋";
  margin-right: 10px;
  font-family: var(--font-mono);
  font-weight: 400;
}

.page-news .series-drawer[open] summary::before {
  content: "－";
}

.page-news .series-group--drawer {
  margin-bottom: 10px;
}

.page-news .topic-close {
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--pn-rule);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(44, 26, 18, 0.74);
}

.page-news .topic-close a {
  color: var(--fx-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .release-item {
    grid-template-columns: 120px minmax(0, 1fr);
  }
}

@media (min-width: 720px) {
  .page-news .tips-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .series-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-news .round-list {
    column-count: 2;
  }
}

@media (min-width: 940px) {
  .page-news .focus-story {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-news .focus-body {
    order: 1;
  }

  .page-news .focus-media {
    order: 2;
  }

  .page-news .release-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.32fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-news .topic-title {
    margin-bottom: 8px;
  }
}

@media (min-width: 1220px) {
  .page-news .round-list {
    column-count: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-btn,
  .page-news .series-tag {
    transition: none;
  }
}