.page-news {
  --pn-cut: 20px;
  position: relative;
  color: var(--ice);
  padding-bottom: clamp(50px, 8vw, 100px);
  background:
    radial-gradient(120% 70% at 88% -12%, rgba(79, 216, 232, 0.16), transparent 60%),
    radial-gradient(90% 55% at 0% 26%, rgba(255, 107, 44, 0.1), transparent 62%),
    var(--sky);
}

.page-news .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-news .trend-hero {
  padding: clamp(20px, 3.6vw, 42px) 0 clamp(26px, 4vw, 46px);
}

.page-news .trend-hero__title {
  margin: 0 0 16px;
  max-width: 22ch;
  font-size: clamp(28px, 6.2vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-news .trend-hero__title em {
  font-style: normal;
  color: var(--lime);
}

.page-news .trend-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 2px solid var(--orange);
}

.page-news .hero-stat {
  display: grid;
  gap: 6px;
  padding: 14px 12px 16px;
  background: var(--sky-deep);
}

.page-news .hero-stat__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-news .hero-stat__v {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.8vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ice);
}

/* ---------- 编辑部双栏 ---------- */
.page-news .editorial {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 34px);
}

/* ---------- 目录浮岛 ---------- */
.page-news .toc {
  padding: 16px 14px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, var(--graphite) 0%, var(--graphite-2) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pn-cut)), calc(100% - var(--pn-cut)) 100%, 0 100%);
}

.page-news .toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-news .toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 8px;
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .toc__link:hover,
.page-news .toc__link:focus-visible {
  background: rgba(184, 255, 61, 0.09);
  border-left-color: var(--lime);
  color: var(--lime);
}

.page-news .toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .toc__cases {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-news .toc__list--sub .toc__link {
  padding: 7px 8px 7px 12px;
  font-size: 13px;
  color: var(--mist);
}

.page-news .toc__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .toc__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 216, 232, 0.45);
}

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

/* ---------- 章节 ---------- */
.page-news .chapter {
  padding-bottom: clamp(30px, 5vw, 52px);
  scroll-margin-top: 100px;
}

.page-news .chapter + .chapter {
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-news .chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .chapter__num {
  flex: none;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
  border: 1px solid rgba(255, 107, 44, 0.45);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-news .chapter[data-section].is-active .chapter__num {
  color: var(--lime);
  border-color: rgba(184, 255, 61, 0.5);
  background: rgba(184, 255, 61, 0.08);
}

.page-news .chapter__title {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 30px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

.page-news .chapter__text p {
  margin: 0 0 13px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.9;
  color: rgba(244, 248, 255, 0.86);
}

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

.page-news .chapter__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 216, 232, 0.45);
}

.page-news .chapter__text a:hover {
  color: var(--lime);
  border-bottom-color: rgba(184, 255, 61, 0.6);
}

.page-news .chapter__text--tail {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-news .chapter__cta {
  margin: 20px 0 0;
}

/* ---------- 图片 ---------- */
.page-news .figure {
  margin: 22px 0 0;
}

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

.page-news .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .figure .media-caption {
  margin-top: 10px;
}

/* ---------- 三条线 ---------- */
.page-news .angle-list {
  display: grid;
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .angle {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: var(--sky-deep);
}

.page-news .angle__k {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
}

.page-news .angle__k::before {
  content: "";
  flex: none;
  width: 14px;
  height: 2px;
  background: var(--orange);
}

.page-news .angle p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 折叠摘记 ---------- */
.page-news .brief {
  margin-top: 20px;
  padding: 0 16px;
  border: 1px solid var(--line);
  background: rgba(19, 27, 40, 0.75);
}

.page-news .brief[open] {
  padding-bottom: 16px;
}

.page-news .brief__sum {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-news .brief__sum::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--orange);
}

.page-news .brief[open] .brief__sum::before {
  content: "−";
}

.page-news .brief p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 案例分类 ---------- */
.page-news .cat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 20px;
}

.page-news .cat-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 13.5px;
  color: var(--ice);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  background: rgba(27, 36, 51, 0.72);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .cat-chip:hover,
.page-news .cat-chip:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(184, 255, 61, 0.08);
}

.page-news .case-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .case-item {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: linear-gradient(160deg, var(--graphite) 0%, var(--graphite-2) 100%);
  scroll-margin-top: 100px;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-news .case-item:hover {
  transform: translateY(-3px);
  border-left-color: var(--lime);
  box-shadow: var(--shadow-float);
}

.page-news .case-item__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .case-item__title {
  margin: 6px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ice);
}

.page-news .case-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .case-item__tag {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid rgba(79, 216, 232, 0.35);
}

.page-news .aside-pair {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

/* ---------- 赛程 ---------- */
.page-news .sched {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-news .sched__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .sched__mark {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-news .sched__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
}

.page-news .sched__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 专题时间线 ---------- */
.page-news .timeline {
  margin: 22px 0 0;
  padding: 0 0 0 20px;
  list-style: none;
  display: grid;
  gap: 20px;
  border-left: 1px solid var(--line);
}

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

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-news .timeline__item--now::before {
  background: var(--lime);
}

.page-news .timeline__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .timeline__item h3 {
  margin: 6px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
}

.page-news .timeline__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .cadence {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .cadence li {
  display: grid;
  gap: 4px;
  padding: 14px 14px 16px;
  background: var(--sky-deep);
}

.page-news .cadence__v {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 700;
  color: var(--lime);
}

.page-news .cadence__k {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 阅读路径 ---------- */
.page-news .route {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .route__item {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 18px 16px 18px;
  border: 1px solid var(--line);
  background: rgba(27, 36, 51, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pn-cut)), calc(100% - var(--pn-cut)) 100%, 0 100%);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .route__item:hover {
  transform: translateY(-3px);
  border-color: rgba(184, 255, 61, 0.4);
}

.page-news .route__n {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-news .route__item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
}

.page-news .route__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .route__link {
  margin-top: 2px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 216, 232, 0.45);
  justify-self: start;
}

.page-news .route__link:hover {
  color: var(--lime);
  border-bottom-color: rgba(184, 255, 61, 0.6);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .cadence {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .aside-pair {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-news .case-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-news .editorial {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .toc {
    position: sticky;
    top: 92px;
  }

  .page-news .chapter__text {
    max-width: 44em;
  }
}
