.page-news {
  color: var(--paper);
  --news-tick: rgba(143, 163, 181, 0.4);
}

.page-news .breadcrumb {
  padding: 20px 0 0;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--mist);
}

.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: "／";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-news .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
}

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

/* 版面头部 */
.page-news .news-masthead {
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 1px dashed var(--line);
}

.page-news .news-masthead__inner {
  display: grid;
  gap: var(--stack-2);
}

.page-news .news-masthead__say h1 {
  margin: 12px 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-lede {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: rgba(245, 240, 228, 0.86);
}

.page-news .news-lede--sub {
  margin-bottom: 0;
  padding-left: 16px;
  border-left: 3px solid var(--sea-500);
  font-size: 16px;
  color: rgba(245, 240, 228, 0.7);
}

/* 节奏卡 */
.page-news .cadence-card {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--line-strong);
  background: var(--sea-800);
  box-shadow: 0 12px 0 -1px var(--sea-800), 0 12px 0 0 var(--line-strong);
}

.page-news .cadence-card__kicker {
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-news .cadence-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .cadence-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--news-tick);
}

.page-news .cadence-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .cadence-item dt {
  font-size: 14px;
  color: var(--mist);
}

.page-news .cadence-item dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .cadence-num {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--coral);
}

.page-news .cadence-unit {
  font-size: 13px;
  color: var(--paper);
}

.page-news .cadence-card__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 专题标签悬浮条 */
.page-news .topic-rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 18px 0 6px;
  margin-top: -1px;
  scrollbar-width: thin;
}

.page-news .topic-chip {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  background: var(--sea-900);
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-news .topic-chip--coral {
  border-color: rgba(242, 107, 74, 0.6);
  color: #FFD9CE;
}

.page-news .topic-chip--mint {
  border-color: rgba(95, 211, 166, 0.55);
  color: #C9F3E1;
}

.page-news .topic-chip--blue {
  border-color: rgba(47, 111, 159, 0.8);
  color: #C5DDF0;
}

.page-news .topic-chip:hover,
.page-news .topic-chip:focus-visible {
  transform: translateY(-2px);
  color: var(--paper);
  border-color: var(--paper);
}

/* 头条 + 时间线 */
.page-news .news-board-section {
  padding-top: clamp(24px, 4vw, 40px);
}

.page-news .news-grid {
  display: grid;
  gap: var(--stack-2);
}

.page-news .lead-card {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--coral);
  background: var(--sea-800);
  box-shadow: 0 14px 0 -1px var(--sea-900), 0 14px 0 0 var(--line);
}

.page-news .lead-card__title {
  margin: 14px 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .lead-card__media {
  margin-bottom: 20px;
}

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

.page-news .lead-card__dek {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(245, 240, 228, 0.84);
}

.page-news .lead-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--news-tick);
}

.page-news .lead-card__time {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--mist);
}

.page-news .timeline-wrap {
  border: 1px solid var(--line);
  background: var(--sea-900);
  padding: 22px clamp(16px, 3vw, 24px) 8px;
}

.page-news .timeline-title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px dashed var(--line-strong);
}

.page-news .timeline-item {
  position: relative;
  padding: 0 0 22px 6px;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sea-900);
  border: 2px solid var(--sea-500);
}

.page-news .timeline-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
}

.page-news .timeline-item__time {
  font-family: var(--font-num);
  font-size: 12px;
  padding: 2px 8px;
  background: var(--sea-700);
  color: var(--paper);
}

.page-news .timeline-item__tag {
  font-size: 12px;
  color: var(--mist);
}

.page-news .timeline-item__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .timeline-item__dek {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 240, 228, 0.66);
}

/* 条目列表 */
.page-news .entries-section {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-news .entries-intro {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245, 240, 228, 0.72);
}

.page-news .entry-list {
  margin-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.page-news .entry {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .entry__time {
  font-family: var(--font-num);
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  color: var(--mist);
}

.page-news .entry__tag {
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-news .entry__tag--coral { color: var(--coral); }
.page-news .entry__tag--mint { color: var(--mint); }
.page-news .entry__tag--blue { color: #7FB6DD; }

.page-news .entry__trigger {
  display: block;
  width: 100%;
  padding: 4px 30px 4px 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--font-head);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
  cursor: pointer;
  position: relative;
  transition: color var(--dur) var(--ease);
}

.page-news .entry__trigger::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 4px;
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--coral);
}

.page-news .entry__trigger[aria-expanded="true"] {
  color: var(--mint);
}

.page-news .entry__trigger[aria-expanded="true"]::after {
  content: "－";
  color: var(--mint);
}

.page-news .entry__trigger:hover,
.page-news .entry__trigger:focus-visible {
  color: var(--coral);
}

.page-news .entry__body {
  padding: 14px 0 4px;
  max-width: 68ch;
}

.page-news .entry__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 240, 228, 0.76);
}

.page-news .entry__body a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .entry__body a:hover {
  color: var(--coral);
}

/* 专题研究板 */
.page-news .topics-section {
  padding-top: clamp(44px, 6vw, 76px);
}

.page-news .topic-board {
  display: grid;
  gap: var(--stack-2);
  margin-top: 28px;
}

.page-news .topic-card {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  background: var(--sea-800);
  border-top-width: 3px;
  border-top-style: solid;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .topic-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-news .topic-card--coral { border-top-color: var(--coral); }
.page-news .topic-card--mint { border-top-color: var(--mint); }
.page-news .topic-card--blue { border-top-color: var(--sea-500); }

.page-news .topic-card__media {
  margin: -22px -20px 18px;
}

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

.page-news .topic-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .topic-card > p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 240, 228, 0.74);
}

.page-news .topic-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--news-tick);
}

.page-news .topic-card__list li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 240, 228, 0.82);
  border-bottom: 1px dashed var(--news-tick);
}

.page-news .topic-card__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--mist);
  font-family: var(--font-num);
}

.page-news .topic-card__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 211, 166, 0.5);
}

.page-news .topic-card__link:hover {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* 三阶段 */
.page-news .stage-section {
  padding-top: clamp(44px, 6vw, 76px);
}

.page-news .stage-row {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-news .stage-card {
  position: relative;
  padding: 24px 20px;
  background: var(--sea-700);
  border-left: 3px solid var(--sea-500);
}

.page-news .stage-card--coral {
  background: rgba(242, 107, 74, 0.12);
  border-left-color: var(--coral);
}

.page-news .stage-card--mint {
  background: rgba(95, 211, 166, 0.1);
  border-left-color: var(--mint);
}

.page-news .stage-card__num {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: rgba(245, 240, 228, 0.38);
}

.page-news .stage-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}

.page-news .stage-card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 240, 228, 0.76);
}

.page-news .stage-card__link {
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-news .stage-card__link:hover {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* 订阅板 */
.page-news .subscribe-section {
  padding-top: clamp(44px, 6vw, 76px);
}

.page-news .subscribe-board {
  display: grid;
  gap: var(--stack-2);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  background: var(--sea-800);
  box-shadow: 0 14px 0 -1px var(--sea-900), 0 14px 0 0 var(--line);
}

.page-news .subscribe-board h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .subscribe-board__say p:not(.eyebrow) {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 240, 228, 0.74);
}

.page-news .subscribe-board__act {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-news .subscribe-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 出口 */
.page-news .exit-section {
  padding-top: clamp(44px, 6vw, 76px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-news .exit-row {
  display: grid;
  gap: var(--stack-2);
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-left: 6px solid var(--coral);
  background: linear-gradient(90deg, rgba(242, 107, 74, 0.1), transparent 60%), var(--sea-900);
}

.page-news .exit-row h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .exit-row__say p:not(.eyebrow) {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 240, 228, 0.74);
}

.page-news .exit-row__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-news .stage-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .topic-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .subscribe-board {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .exit-row {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-news .news-masthead__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-news .news-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 48px);
  }

  .page-news .topic-board {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .topic-card {
    grid-column: span 2;
  }

  .page-news .topic-card:first-child,
  .page-news .topic-card:nth-child(2) {
    grid-column: span 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .topic-chip {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .topic-chip:hover {
    transform: none;
  }
}