.page-news {
  --news-gap: clamp(16px, 2.4vw, 26px);
  --news-max: 68ch;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .breadcrumbs {
  padding: clamp(14px, 2vw, 22px) 0 0;
  font-size: 13px;
  color: var(--muted);
}

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

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

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-news .breadcrumbs a:hover {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 46vw;
  height: 46vw;
  max-width: 520px;
  max-height: 520px;
  background: radial-gradient(circle at 60% 40%, rgba(53, 224, 208, 0.13), transparent 66%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(14px, 2vw, 22px);
}

.page-news .news-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(38px, 9vw, 82px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
}

.page-news .news-hero__lead {
  max-width: var(--news-max);
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--paper);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: clamp(16px, 2.4vw, 22px);
  background: linear-gradient(160deg, rgba(20, 50, 41, 0.92), rgba(18, 21, 26, 0.92));
  border: 1px solid var(--line);
}

.page-news .news-stats__item {
  padding: 6px 0 6px 12px;
  border-left: 2px solid var(--line);
}

.page-news .news-stats dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .news-stats dd {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--paper);
}

.page-news .news-stats__num {
  font-size: 24px;
  font-weight: 600;
  margin-right: 4px;
}

/* ---------- 章节头 ---------- */
.page-news .section {
  padding: clamp(40px, 7vw, 84px) 0 0;
}

.page-news .section__head {
  max-width: 72ch;
}

.page-news .section__head h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-news .section__head .lead {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .section__foot {
  margin: clamp(24px, 3vw, 36px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news a {
  color: var(--gold-soft);
  text-decoration-color: rgba(228, 179, 60, 0.45);
  text-underline-offset: 3px;
}

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

/* ---------- 筛选带 ---------- */
.page-news .filter-strip {
  position: sticky;
  top: 52px;
  z-index: 6;
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: 14px 0;
  background: linear-gradient(180deg, rgba(11, 31, 26, 0.97) 60%, rgba(11, 31, 26, 0.86));
  border-bottom: 1px solid var(--line);
}

.page-news .filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-news .filter-btn {
  flex: 0 0 auto;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-news .filter-btn.is-active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 600;
}

.page-news .filter-btn--reset {
  border-style: dashed;
  color: var(--muted);
}

.page-news .filter-strip__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-news .filter-count {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 赛季刻度 + 条目 ---------- */
.page-news .log-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-news .season-scale {
  position: relative;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 0 0 10px;
}

.page-news .season-scale::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 224, 208, 0.08));
}

.page-news .season-scale__title {
  display: none;
}

.page-news .season-scale__item {
  position: relative;
  flex: 0 0 auto;
  min-width: 112px;
  padding: 22px 0 0;
}

.page-news .season-scale__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-news .season-scale__week {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .season-scale__label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-news .log-grid {
  display: grid;
  gap: var(--news-gap);
  min-width: 0;
}

.page-news .log-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 22px 18px 16px;
  background: linear-gradient(170deg, rgba(20, 50, 41, 0.95), rgba(18, 21, 26, 0.95));
  border: 1px solid var(--line);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .log-card::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px dashed rgba(143, 163, 155, 0.22);
  pointer-events: none;
}

.page-news .log-card:hover {
  transform: translateY(-4px);
  border-color: rgba(228, 179, 60, 0.7);
}

.page-news .log-card__num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .log-card__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .log-card__sum {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .log-card__more {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
  transition: max-height 0.28s var(--ease), opacity 0.28s var(--ease), margin-top 0.28s var(--ease);
}

.page-news .log-card:hover .log-card__more,
.page-news .log-card:focus-within .log-card__more {
  max-height: 120px;
  margin-top: 10px;
  opacity: 1;
}

.page-news .log-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-news .log-card__foot .tag {
  font-size: 12px;
}

.page-news .log-card__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 图片框 ---------- */
.page-news .img-frame {
  position: relative;
  display: block;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 8px;
  background: rgba(18, 21, 26, 0.7);
  border: 1px solid var(--line);
}

.page-news .img-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(30, 58, 56, 0.6), rgba(11, 31, 26, 0.9));
}

.page-news .img-frame--wide img {
  aspect-ratio: 12 / 7;
}

.page-news .img-frame--tall img {
  aspect-ratio: 3 / 2;
}

.page-news .img-frame--ultra img {
  aspect-ratio: 20 / 13;
}

.page-news .img-frame--tone-cyan {
  border-color: rgba(53, 224, 208, 0.4);
}

.page-news .img-frame--tone-blue {
  border-color: rgba(76, 141, 255, 0.4);
}

.page-news .img-frame--tone-gold {
  border-color: rgba(228, 179, 60, 0.4);
}

.page-news .img-frame__cap {
  margin: 8px 4px 2px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 案例专题 ---------- */
.page-news .case-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-news .case-cat {
  padding: clamp(18px, 2.4vw, 24px);
  background: linear-gradient(160deg, rgba(20, 50, 41, 0.9), rgba(11, 31, 26, 0.92));
  border: 1px solid var(--line);
}

.page-news .case-cat__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-news .case-cat__num {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  color: var(--gold);
}

.page-news .case-cat__head h3 {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-news .case-cat__count {
  font-size: 12px;
  color: var(--muted);
}

.page-news .case-cat .rule-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .case-cat .rule-list__item {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(30, 58, 56, 0.9);
}

.page-news .case-cat .rule-list__item:last-child {
  border-bottom: 0;
}

.page-news .case-cat .rule-list__num {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 3px;
}

.page-news .case-cat .rule-list__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 版本记录 ---------- */
.page-news .version-split {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-news .version-track {
  position: relative;
  padding-left: 28px;
}

.page-news .version-track::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 224, 208, 0.06));
}

.page-news .version-item {
  position: relative;
  padding-bottom: clamp(20px, 2.6vw, 28px);
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--cyan);
}

.page-news .version-item__ver {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .version-item h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .version-item p {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 规则解读 ---------- */
.page-news .rule-split {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-news .rule-split .img-frame {
  margin-top: 0;
}

.page-news .rule-folds__foot {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 折叠组件 ---------- */
.page-news .fold {
  margin-bottom: 12px;
  background: rgba(18, 21, 26, 0.68);
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-news .fold:hover {
  border-color: rgba(228, 179, 60, 0.5);
}

.page-news .fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 15px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  color: var(--paper);
  background: none;
  border: 0;
  cursor: pointer;
}

.page-news .fold__icon {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-news .fold__body {
  overflow: hidden;
}

.page-news .fold__body-inner {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

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

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

/* ---------- 道具补遗 ---------- */
.page-news .addendum-grid {
  display: grid;
  gap: 4px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 赛季观察 ---------- */
.page-news .season-watch .rail {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .rail__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-news .rail__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

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

.page-news .rail__btn {
  width: 34px;
  height: 34px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .rail__btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-news .rail__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 16px 0 8px;
  scroll-snap-type: x mandatory;
}

.page-news .rail-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  padding: 18px;
  background: linear-gradient(165deg, rgba(20, 50, 41, 0.9), rgba(18, 21, 26, 0.9));
  border: 1px solid var(--line);
}

.page-news .rail-card h4 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .rail-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .season-watch__foot {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .season-watch__foot .img-frame {
  margin-top: 0;
}

.page-news .season-watch__cta p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-news .addendum-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-news .version-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .rule-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-news .season-watch__foot {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-news .log-layout {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 44px);
  }

  .page-news .season-scale {
    display: block;
    position: sticky;
    top: 132px;
    overflow: visible;
    padding: 0;
    align-self: start;
  }

  .page-news .season-scale::before {
    left: 7px;
    right: auto;
    top: 34px;
    bottom: 8px;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, var(--cyan), rgba(53, 224, 208, 0.08));
  }

  .page-news .season-scale__title {
    display: block;
    margin: 0 0 16px;
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--muted);
  }

  .page-news .season-scale__item {
    min-width: 0;
    padding: 0 0 20px 28px;
  }

  .page-news .season-scale__item::before {
    left: 2px;
    top: 5px;
  }
}

@media (min-width: 1280px) {
  .page-news .log-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .log-card:nth-child(1),
  .page-news .log-card:nth-child(8) {
    grid-column: span 2;
  }

  .page-news .log-card:nth-child(1) .log-card__title,
  .page-news .log-card:nth-child(8) .log-card__title {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-card,
  .page-news .log-card__more,
  .page-news .filter-btn,
  .page-news .fold,
  .page-news .rail__btn {
    transition: none;
  }

  .page-news .log-card:hover {
    transform: none;
  }
}