.page-news {
  --news-rule: rgba(42, 92, 130, 0.6);
  --news-rule-soft: rgba(42, 92, 130, 0.32);
  --news-paper-dim: #46525f;
  --news-paper-mute: #5a6b7c;
  --news-paper-amber: #9a6e13;
}

/* ---------- 首屏 ---------- */
.page-news .news-mast {
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 5vw, 56px);
}

.page-news .news-mast__grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .news-mast__kicker {
  margin: 0 0 14px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-news .news-mast__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-news .news-mast__lede {
  margin: 0 0 26px;
  max-width: 48ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.9;
  color: var(--steel);
}

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

.page-news .news-mast__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink-800);
}

.page-news .news-stat__k {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-news .news-stat__v {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--amber);
}

/* ---------- 轨迹带 ---------- */
.page-news .ticker {
  border-top: 1px solid var(--news-rule);
  border-bottom: 1px solid var(--news-rule);
  background: var(--ink-800);
  overflow: hidden;
}

.page-news .ticker__track {
  display: flex;
  gap: 34px;
  width: max-content;
  padding: 13px clamp(16px, 3.4vw, 40px);
  animation: news-drift 48s linear infinite;
}

.page-news .ticker__item {
  position: relative;
  padding-left: 15px;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--steel);
  white-space: nowrap;
}

.page-news .ticker__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--signal);
  transform: rotate(45deg);
}

@keyframes news-drift {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 筛选栏 + 条目流 ---------- */
.page-news .news-board {
  padding: clamp(40px, 7vw, 88px) 0;
}

.page-news .news-board__grid {
  display: grid;
  gap: 34px;
}

.page-news .news-filters__kicker {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-news .news-filters__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 600;
  color: var(--paper);
}

.page-news .news-filters__note {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .news-filters__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 15px;
  border: 1px solid var(--ink-500);
  border-radius: 999px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-chip .mono {
  font-size: 0.74rem;
  color: var(--steel);
}

.page-news .news-chip:hover {
  border-color: var(--amber);
  color: var(--amber-soft);
}

.page-news .news-chip.is-active {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-900);
  font-weight: 600;
}

.page-news .news-chip.is-active .mono {
  color: rgba(7, 26, 44, 0.7);
}

.page-news .news-filters__figure {
  margin: 0;
  border: 1px solid var(--news-rule);
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  overflow: hidden;
}

.page-news .news-filters__figure img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.9;
}

.page-news .news-stream__head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-rule);
  margin-bottom: 28px;
}

.page-news .news-stream__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.72rem);
  font-weight: 600;
  color: var(--paper);
}

.page-news .news-stream__note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .news-sort {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-news .news-sort__btn {
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-sort__btn:hover {
  color: var(--amber-soft);
}

.page-news .news-sort__btn.is-active {
  background: var(--ink-700);
  border-color: var(--amber);
  color: var(--amber-soft);
}

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

.page-news .news-list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber) 0%, var(--ink-500) 10%, var(--ink-500) 88%, rgba(42, 92, 130, 0) 100%);
}

.page-news .news-item {
  position: relative;
  padding-left: 32px;
  margin-bottom: 14px;
}

.page-news .news-item__node {
  position: absolute;
  left: 5px;
  top: 24px;
  z-index: 1;
  width: 9px;
  height: 9px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  background: var(--ink-900);
}

.page-news .news-item:nth-child(even) .news-item__node {
  border-color: var(--signal);
}

.page-news .news-item__card {
  position: relative;
  padding: 18px 20px 16px;
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-news .news-item:nth-child(even) .news-item__card {
  background: var(--paper);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-item__line {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-news .news-item:nth-child(even) .news-item__line {
  color: var(--news-paper-mute);
}

.page-news .news-item__ver {
  margin-left: auto;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .news-item:nth-child(even) .news-item__ver {
  color: var(--news-paper-amber);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .news-item:nth-child(even) .news-item__title {
  color: var(--paper-ink);
}

.page-news .news-item__body {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .news-item:nth-child(even) .news-item__body {
  color: var(--news-paper-dim);
}

.page-news .news-item__foot {
  margin: 0;
  font-size: 0.73rem;
  letter-spacing: 0.05em;
  color: var(--signal);
}

.page-news .news-item:nth-child(even) .news-item__foot {
  color: #b2471a;
}

.page-news .news-item:nth-child(even) .tag {
  border: 1px solid rgba(27, 36, 48, 0.22);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: clamp(40px, 7vw, 88px) 0;
  border-top: 1px solid var(--news-rule);
  background: linear-gradient(180deg, rgba(15, 42, 68, 0.6) 0%, rgba(7, 26, 44, 0) 100%);
}

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

.page-news .news-series__figure {
  margin: 0;
  border: 1px solid var(--news-rule);
  background: var(--ink-800);
  overflow: hidden;
}

.page-news .news-series__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-series__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--news-rule-soft);
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--steel);
}

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

.page-news .news-series__card {
  padding: 20px 22px 22px;
  background: var(--ink-700);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-news .news-series__idx {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-news .news-series__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--amber-soft);
}

.page-news .news-series__desc {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .news-series__prog {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-news .news-series__bar {
  display: block;
  height: 4px;
  margin-top: 12px;
  background: rgba(147, 168, 188, 0.2);
}

.page-news .news-series__bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--amber) 0%, var(--amber-soft) 100%);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  padding: clamp(40px, 7vw, 88px) 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-cadence__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
}

.page-news .news-cadence__step {
  padding: 20px 18px 24px;
  background: var(--ink-800);
}

.page-news .news-cadence__tag {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-news .news-cadence__step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--amber-soft);
}

.page-news .news-cadence__step p:last-child {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.89rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .news-cadence__figure {
  margin: 0 0 16px;
  border: 1px solid var(--news-rule);
  background: var(--ink-800);
  overflow: hidden;
}

.page-news .news-cadence__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-cadence__foot {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.77rem;
  letter-spacing: 0.04em;
  color: var(--sage);
}

/* ---------- 追踪路径 ---------- */
.page-news .news-follow {
  padding: clamp(40px, 7vw, 88px) 0;
  border-top: 1px solid var(--news-rule);
  background: var(--ink-800);
}

.page-news .news-follow__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-follow__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-news .news-follow__steps li {
  padding-left: 16px;
  border-left: 1px solid var(--ink-500);
}

.page-news .news-follow__step {
  margin: 0 0 8px;
  font-size: 0.71rem;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-news .news-follow__steps h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-news .news-follow__steps p:not(.news-follow__step) {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .news-follow__link {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(224, 166, 60, 0.5);
  font-family: var(--font-mono);
  font-size: 0.77rem;
  letter-spacing: 0.03em;
  color: var(--amber);
  text-decoration: none;
}

.page-news .news-follow__link:hover {
  color: var(--amber-soft);
  border-bottom-color: var(--amber-soft);
}

.page-news .news-follow__note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--news-rule-soft);
  font-family: var(--font-body);
  font-size: 0.87rem;
  line-height: 1.9;
  color: var(--steel);
}

.page-news .news-follow__note a {
  color: var(--amber-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-follow__figure {
  margin: 0;
  border: 1px solid var(--news-rule);
  background: var(--ink-700);
  overflow: hidden;
}

.page-news .news-follow__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: top center;
}

/* ---------- 收束 ---------- */
.page-news .news-cta {
  padding: clamp(40px, 6vw, 72px) 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
}

.page-news .news-cta__kicker {
  flex: 1 1 100%;
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-news .news-cta__title {
  flex: 1 1 260px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.28rem, 2.6vw, 1.78rem);
  font-weight: 600;
  color: var(--paper);
}

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

  .page-news .news-follow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-mast__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: start;
  }

  .page-news .news-follow__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-news .news-board__grid {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-filters {
    position: sticky;
    top: 108px;
  }
}

@media (min-width: 1080px) {
  .page-news .news-cadence__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .ticker__track {
    animation: none;
  }

  .page-news .news-chip,
  .page-news .news-sort__btn {
    transition: none;
  }
}