.page-news {
  --news-shadow: 4px 4px 0 rgba(20, 22, 26, .12);
  --news-grid-line: rgba(20, 22, 26, .055);
  display: block;
}

/* ---------- 页首 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 6vw, 56px) 0 clamp(22px, 4vw, 44px);
  border-bottom: var(--line);
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(0deg, var(--news-grid-line) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
  z-index: 0;
}
.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}
.page-news .news-hero__copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 16em;
}
.page-news .news-hero__lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.75;
  color: #2B3138;
}
.page-news .news-hero__facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 18px 0 0;
  border-top: var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}
.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 14px;
  color: var(--gray);
}
.page-news .news-hero__facts .num {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.02em;
}
.page-news .news-hero__frame {
  border: 1px solid var(--ink);
  background: var(--ink);
  box-shadow: var(--news-shadow);
}
.page-news .news-hero__frame .media-frame__caption {
  color: var(--paper);
  border-top: 1px solid rgba(244, 241, 234, .22);
  padding: 10px 12px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- 分类筛选条 ---------- */
.page-news .news-filter {
  padding: clamp(18px, 3vw, 28px) 0;
  background:
    repeating-linear-gradient(135deg, rgba(200, 16, 46, .05) 0 6px, transparent 6px 14px),
    rgba(217, 213, 204, .34);
  border-bottom: var(--line);
}
.page-news .news-filter__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.01em;
  color: var(--ink);
}
.page-news .news-filter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% 68%, calc(100% - 11px) 100%, 0 100%);
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  background: var(--ink);
  color: var(--lime);
}
.page-news .news-filter__note {
  margin: 16px 0 0;
  max-width: 62em;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 通用区块 ---------- */
.page-news .news-section {
  padding: clamp(30px, 5vw, 58px) 0;
}
.page-news .news-section + .news-section {
  border-top: var(--line);
}
.page-news .section-head {
  margin-bottom: clamp(18px, 3vw, 28px);
}
.page-news .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.005em;
  color: var(--ink);
}

/* ---------- 更新列表 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-news .news-item {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--news-shadow);
  padding: 18px 18px 18px 22px;
}
.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--red);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: transform .18s var(--ease);
}
.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}
.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}
.page-news .news-tag {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid var(--red);
  background: rgba(200, 16, 46, .07);
  color: var(--red);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}
.page-news .news-tag--version {
  border-color: var(--link);
  background: rgba(30, 107, 255, .08);
  color: var(--link);
}
.page-news .news-tag--entry {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}
.page-news .news-tag--help {
  border-color: var(--gray);
  background: var(--mist);
  color: var(--ink);
}
.page-news .news-time {
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gray);
}
.page-news .news-item__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.1vw, 22px);
  line-height: 1.25;
  color: var(--ink);
}
.page-news .news-item__text {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: #2B3138;
}
.page-news .news-item__link {
  margin: 12px 0 0;
}
.page-news .news-item__link a {
  color: var(--link);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(21, 84, 204, .35);
  padding-bottom: 2px;
}
.page-news .news-item__link a:hover {
  border-bottom-color: var(--link);
}

/* ---------- 装饰分隔 ---------- */
.page-news .news-divider {
  margin: 0;
  padding: clamp(24px, 4vw, 40px) 0;
  background: var(--ink);
}
.page-news .news-divider__frame {
  border: 1px solid rgba(244, 241, 234, .2);
  opacity: .9;
}
.page-news .news-divider__caption {
  margin-top: 12px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 入口变更（深色重音） ---------- */
.page-news .news-entry {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  border-top: 4px solid var(--red);
  border-bottom: 4px solid var(--red);
}
.page-news .news-entry__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-news .news-entry__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}
.page-news .news-entry__inner {
  position: relative;
  z-index: 1;
  padding: clamp(30px, 5vw, 64px) 0 clamp(34px, 5vw, 60px);
}
.page-news .section-head--dark h2,
.page-news .section-head--dark .eyebrow {
  color: var(--paper);
}
.page-news .section-head--dark .eyebrow {
  color: var(--lime);
}
.page-news .news-entry__lead {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 62em;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(244, 241, 234, .84);
}
.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 1px solid rgba(244, 241, 234, .18);
}
.page-news .news-node {
  position: relative;
  padding: 0 0 26px;
}
.page-news .news-node:last-child {
  padding-bottom: 6px;
}
.page-news .news-node::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(242, 194, 48, .2);
}
.page-news .news-node--current::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(184, 230, 46, .24);
}
.page-news .news-node > details > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 4px 0;
}
.page-news .news-node > details > summary::-webkit-details-marker {
  display: none;
}
.page-news .news-node > details > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 16px;
  color: rgba(244, 241, 234, .6);
}
.page-news .news-node > details[open] > summary::after {
  content: "–";
  color: var(--lime);
}
.page-news .news-node__time {
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--amber);
}
.page-news .news-node__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.25;
  color: var(--paper);
}
.page-news .news-node__flag {
  padding: 2px 9px;
  border: 1px solid var(--lime);
  color: var(--lime);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.page-news .news-node__dl {
  margin: 12px 0 0;
  display: grid;
  gap: 6px 16px;
}
.page-news .news-node__dl dt {
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--lime);
}
.page-news .news-node__dl dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(244, 241, 234, .86);
}
.page-news .news-entry__foot {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(244, 241, 234, .18);
  max-width: 62em;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 241, 234, .68);
}

/* ---------- 规则库 ---------- */
.page-news .news-rules {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}
.page-news .news-rules__intro p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: #2B3138;
}
.page-news .news-rules__intro p:last-child {
  margin-bottom: 0;
}
.page-news .news-rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: none;
}
.page-news .news-rule-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--paper);
  border: var(--line);
  border-left: 3px solid var(--red);
}
.page-news .news-rule-item__no {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 18px;
  color: var(--red);
  line-height: 1.3;
  flex: none;
}
.page-news .news-rule-item__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
}
.page-news .news-rule-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 文档增补 ---------- */
.page-news .news-docs {
  display: grid;
  gap: 16px;
}
.page-news .news-doc {
  padding: 20px 18px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--news-shadow);
  scroll-margin-top: 90px;
}
.page-news .news-doc__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--red);
}
.page-news .news-doc__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.3vw, 24px);
  line-height: 1.22;
  color: var(--ink);
}
.page-news .news-doc > p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.74;
  color: #2B3138;
}
.page-news .news-doc__list {
  margin: 0 0 16px;
  padding: 0 0 0 18px;
  list-style: none;
}
.page-news .news-doc__list li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}
.page-news .news-doc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--blue);
}
.page-news .news-doc__link {
  margin: 0;
}
.page-news .news-doc__link a {
  display: inline-block;
}

/* ---------- 按类别回溯 ---------- */
.page-news .news-recap {
  padding: clamp(30px, 5vw, 56px) 0;
  background: rgba(217, 213, 204, .3);
  border-top: var(--line);
  border-bottom: var(--line);
}
.page-news .news-recap__grid {
  display: grid;
  gap: 14px;
}
.page-news .news-recap__item {
  position: relative;
  padding: 18px;
  background: var(--paper);
  border: var(--line);
  border-top: 4px solid var(--ink);
}
.page-news .news-recap__tag {
  margin: 0 0 10px;
}
.page-news .news-recap__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink);
}
.page-news .news-recap__item p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}
.page-news .news-recap__item a {
  color: var(--link);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(21, 84, 204, .35);
  padding-bottom: 2px;
}
.page-news .news-recap__item a:hover {
  border-bottom-color: var(--link);
}
.page-news .news-recap__frame {
  margin-top: clamp(20px, 3vw, 30px);
  border: var(--line);
}

/* ---------- 收尾 ---------- */
.page-news .news-follow {
  padding-bottom: clamp(40px, 6vw, 76px);
}
.page-news .news-follow p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.82;
  color: #2B3138;
}
.page-news .news-follow__actions {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-node__dl {
    grid-template-columns: 104px 1fr;
  }
  .page-news .news-node__dl dt {
    padding-top: 3px;
  }
  .page-news .news-docs {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .news-recap__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
  .page-news .news-rules {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-doc {
    padding: 26px 24px;
  }
  .page-news .news-recap__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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