.page-news {
  --news-side-w: 260px;
  --news-line-h: 1px;
  padding-bottom: clamp(48px, 8vw, 110px);
  overflow-x: hidden;
}

.page-news :where(h1, h2, h3, p, ul, ol, li, figure, nav) {
  margin: 0;
}

.page-news ul,
.page-news ol {
  list-style: none;
  padding: 0;
}

.page-news a {
  text-decoration: none;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-news .news-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-2);
}

.page-news .news-crumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--dim);
}

.page-news .news-crumb a {
  color: var(--text-2);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-crumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-crumb li[aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(22px, 5vw, 56px) 0 clamp(28px, 5vw, 56px);
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -30%;
  right: -12%;
  width: min(72vw, 640px);
  height: min(72vw, 640px);
  background: radial-gradient(circle at 50% 50%, rgba(0, 229, 212, 0.13), transparent 68%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: end;
}

.page-news .news-hero__lead h1 {
  margin-top: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 15em;
}

.page-news .news-hero__text {
  margin-top: clamp(16px, 2vw, 24px);
  max-width: 40em;
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .news-hero__meta {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
  max-width: 34em;
}

.page-news .news-indexline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: clamp(20px, 2.6vw, 30px);
  padding-top: 16px;
  border-top: var(--news-line-h) solid var(--line);
}

.page-news .news-indexline a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease);
}

.page-news .news-indexline a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

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

.page-news .news-indexline a:hover::after {
  transform: scaleX(1);
}

/* 首屏数据卡 */
.page-news .news-hero__card {
  padding: clamp(20px, 2.6vw, 30px);
  position: relative;
}

.page-news .news-hero__cardlabel {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
}

.page-news .news-hero__metric {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 10px;
}

.page-news .news-hero__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.6rem, 8vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-news .news-hero__unit {
  font-size: 14px;
  color: var(--text-2);
}

.page-news .news-hero__facts {
  margin-top: 20px;
  display: grid;
  gap: 10px;
  border-top: var(--news-line-h) solid var(--line);
  padding-top: 16px;
}

.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
}

.page-news .news-hero__facts span {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--orange);
  min-width: 3.2em;
}

/* ---------- 报告索引 ---------- */
.page-news .news-log {
  padding-top: clamp(28px, 5vw, 56px);
}

.page-news .news-log__head {
  max-width: 46em;
}

.page-news .news-log__intro {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-news .news-cover {
  margin-top: clamp(22px, 3.4vw, 38px);
  position: relative;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 84px;
  height: 3px;
  background: var(--cyan);
}

/* 筛选条 */
.page-news .news-board {
  position: relative;
  margin-top: clamp(24px, 3.6vw, 42px);
}

.page-news .news-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-news .news-filter__input:focus-visible ~ .news-board__grid .news-filter {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.page-news .news-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3vw, 44px);
  align-items: start;
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: var(--news-line-h) solid var(--line);
}

.page-news .news-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-pill:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .news-pill__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  opacity: 0.7;
}

.page-news #nf-all:checked ~ .news-board__grid .news-pill[for="nf-all"],
.page-news #nf-nav:checked ~ .news-board__grid .news-pill[for="nf-nav"],
.page-news #nf-adapt:checked ~ .news-board__grid .news-pill[for="nf-adapt"],
.page-news #nf-patrol:checked ~ .news-board__grid .news-pill[for="nf-patrol"],
.page-news #nf-help:checked ~ .news-board__grid .news-pill[for="nf-help"],
.page-news #nf-speed:checked ~ .news-board__grid .news-pill[for="nf-speed"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--cyan-ink);
}

.page-news #nf-all:checked ~ .news-board__grid .news-pill[for="nf-all"] .news-pill__n,
.page-news #nf-nav:checked ~ .news-board__grid .news-pill[for="nf-nav"] .news-pill__n,
.page-news #nf-adapt:checked ~ .news-board__grid .news-pill[for="nf-adapt"] .news-pill__n,
.page-news #nf-patrol:checked ~ .news-board__grid .news-pill[for="nf-patrol"] .news-pill__n,
.page-news #nf-help:checked ~ .news-board__grid .news-pill[for="nf-help"] .news-pill__n,
.page-news #nf-speed:checked ~ .news-board__grid .news-pill[for="nf-speed"] .news-pill__n {
  opacity: 0.85;
}

.page-news #nf-nav:checked ~ .news-board__grid .rec-item:not(.item--nav),
.page-news #nf-adapt:checked ~ .news-board__grid .rec-item:not(.item--adapt),
.page-news #nf-patrol:checked ~ .news-board__grid .rec-item:not(.item--patrol),
.page-news #nf-help:checked ~ .news-board__grid .rec-item:not(.item--help),
.page-news #nf-speed:checked ~ .news-board__grid .rec-item:not(.item--speed) {
  display: none;
}

/* 记录列表 */
.page-news .rec-list {
  border-bottom: var(--news-line-h) solid var(--line);
}

.page-news .rec-item {
  border-top: var(--news-line-h) solid var(--line);
}

.page-news .rec-item:first-child {
  border-top: 0;
}

.page-news .rec {
  position: relative;
}

.page-news .rec__head {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "title cat"
    "sum   time";
  align-items: baseline;
  gap: 5px 18px;
  padding: 13px 14px 13px 16px;
  list-style: none;
  cursor: pointer;
  transition: background-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .rec__head::-webkit-details-marker {
  display: none;
}

.page-news .rec__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.25s var(--ease);
}

.page-news .rec:hover .rec__head,
.page-news .rec[open] .rec__head {
  background: rgba(28, 36, 80, 0.4);
}

.page-news .rec:hover .rec__head::before,
.page-news .rec[open] .rec__head::before {
  transform: scaleY(1);
}

.page-news .rec__title {
  grid-area: title;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-news .rec[open] .rec__title {
  color: var(--cyan);
}

.page-news .rec__cat {
  grid-area: cat;
  justify-self: end;
  white-space: nowrap;
  font-size: 12px;
}

.page-news .rec__sum {
  grid-area: sum;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-2);
}

.page-news .rec__time {
  grid-area: time;
  justify-self: end;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-2);
  white-space: nowrap;
}

.page-news .rec__body {
  padding: 2px 18px 20px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
  border-left: 2px solid var(--line);
  margin-left: 0;
}

.page-news .rec__body p + p {
  margin-top: 10px;
}

/* 侧栏 */
.page-news .news-side {
  display: grid;
  gap: clamp(24px, 3vw, 34px);
}

.page-news .news-side__block {
  border-top: 2px solid var(--cyan);
  padding-top: 16px;
}

.page-news .cat-legend {
  margin-top: 14px;
  display: grid;
  gap: 9px;
}

.page-news .cat-legend li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--text-2);
}

.page-news .cat-legend b {
  margin-left: auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--text);
}

.page-news .cat-legend__d {
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  background: var(--dim);
}

.page-news .cat-legend__d--nav {
  background: var(--cyan);
}

.page-news .cat-legend__d--adapt {
  background: var(--blue);
}

.page-news .cat-legend__d--patrol {
  background: var(--green);
}

.page-news .cat-legend__d--help {
  background: var(--text-2);
}

.page-news .cat-legend__d--speed {
  background: var(--orange);
}

.page-news .news-side__media {
  margin-top: 18px;
}

.page-news .tick {
  margin-top: 16px;
  padding-left: 20px;
  position: relative;
}

.page-news .tick::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--line));
}

.page-news .tick__row {
  position: relative;
  padding-bottom: 18px;
}

.page-news .tick__row:last-child {
  padding-bottom: 0;
}

.page-news .tick__row::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--panel);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-news .tick__row:first-child::before {
  background: var(--cyan);
}

.page-news .tick__time {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .tick__desc {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
}

/* ---------- 专题合辑 ---------- */
.page-news .news-series {
  padding-top: clamp(48px, 8vw, 96px);
}

.page-news .news-series__intro,
.page-news .rhythm-wrap__intro {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 42em;
}

.page-news .series-grid {
  margin-top: clamp(22px, 3.4vw, 36px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-news .series-list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .series-card {
  padding: 18px 20px;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: transform 0.24s var(--ease);
}

.page-news .series-card:hover {
  transform: translateX(3px);
}

.page-news .series-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .series-card__rule {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-news .series-card__count {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-2);
}

.page-news .series-card__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 600;
  color: var(--orange);
  margin-right: 4px;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding-top: clamp(48px, 8vw, 96px);
}

.page-news .rhythm-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-news .rhythm {
  margin-top: clamp(24px, 3.6vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .rhythm__item {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .rhythm__cycle {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .rhythm__name {
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-news .rhythm__desc {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 编辑口径 ---------- */
.page-news .news-editorial {
  padding-top: clamp(48px, 8vw, 96px);
}

.page-news .editorial-block {
  max-width: 42em;
  padding-left: clamp(16px, 2.4vw, 28px);
  border-left: 2px solid var(--line);
}

.page-news .editorial-block p {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .editorial-block .section-title {
  margin-top: 14px;
}

/* ---------- 纠错与投稿 ---------- */
.page-news .news-contribute {
  padding-top: clamp(44px, 7vw, 88px);
}

.page-news .contribute-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(22px, 3vw, 40px);
}

.page-news .contribute-block__text p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
  max-width: 40em;
}

.page-news .contribute-block__note {
  padding-left: 14px;
  border-left: 2px solid var(--orange);
}

.page-news .contribute-block__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
}

.page-news .contribute-block__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .contribute-block__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 布局增强 ---------- */
@media (max-width: 639px) {
  .page-news .rec__head {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "title"
      "sum"
      "cat"
      "time";
    gap: 7px;
  }

  .page-news .rec__cat,
  .page-news .rec__time {
    justify-self: start;
  }
}

@media (min-width: 640px) {
  .page-news .rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

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

  .page-news .rhythm-wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .contribute-block {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-news .contribute-block__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (min-width: 1080px) {
  .page-news .news-board__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(28px, 4vw, 60px);
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .series-list {
    gap: 14px;
  }
}

@media (min-width: 1200px) {
  .page-news .rhythm {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rec__head,
  .page-news .rec__head::before,
  .page-news .series-card,
  .page-news .news-indexline a::after {
    transition: none;
  }

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