.page-news {
  --news-rail: 54px;
  --news-tick: #23E3C6;
  background: var(--paper);
  color: var(--ink);
}

.page-news [id] {
  scroll-margin-top: 104px;
}

.page-news .news-crumb {
  padding-top: clamp(12px, 3vw, 20px);
  padding-bottom: 6px;
}

.page-news .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 0;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-news .breadcrumb li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--line);
}

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

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, var(--deep) 0%, #0B4670 56%, var(--water) 100%);
  color: var(--paper);
  padding: clamp(30px, 7vw, 66px) 0 clamp(46px, 9vw, 92px);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -34px;
  height: 68px;
  background: var(--paper);
  transform: rotate(-6deg);
  transform-origin: left bottom;
  pointer-events: none;
}

.page-news .news-hero__glow {
  position: absolute;
  width: min(64vw, 520px);
  aspect-ratio: 1 / 1;
  right: -14%;
  top: -26%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(35, 227, 198, 0.42), rgba(35, 227, 198, 0) 68%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 46rem;
}

.page-news .news-hero .eyebrow {
  color: var(--cyan);
  margin: 0 0 0.6em;
}

.page-news .news-hero h1 {
  margin: 0 0 0.55em;
  font-size: clamp(1.72rem, 7vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 38em;
  font-size: clamp(0.94rem, 2.6vw, 1.06rem);
  line-height: 1.78;
  color: rgba(251, 250, 247, 0.86);
}

.page-news .news-hero__meta {
  list-style: none;
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 16px 0 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(191, 239, 232, 0.26);
}

.page-news .news-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-hero__k {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(191, 239, 232, 0.78);
}

.page-news .news-hero__v {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--mist);
}

/* ---------- 索引带 ---------- */
.page-news .news-index {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 62px) 0 clamp(36px, 6vw, 66px);
  background: var(--sand);
}

.page-news .news-index__plate {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

.page-news .news-index__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-index__head {
  display: grid;
  gap: 20px;
  align-items: end;
}

.page-news .news-index h2 {
  margin: 0.35em 0 0.5em;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  letter-spacing: -0.01em;
}

.page-news .news-index__intro {
  margin: 0;
  max-width: 40em;
  line-height: 1.78;
  color: var(--muted);
  font-size: 0.95rem;
}

.page-news .news-focus {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 0 8px;
  margin: 0;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--water);
  border-radius: var(--radius-sm);
}

.page-news .news-focus__value {
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 11vw, 3rem);
  line-height: 1;
  font-weight: 600;
  color: var(--deep);
}

.page-news .news-focus__unit {
  font-size: 0.95rem;
  color: var(--water);
  letter-spacing: 0.02em;
}

.page-news .news-focus__label {
  grid-column: 1 / -1;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-tracks {
  margin-top: clamp(24px, 5vw, 40px);
}

.page-news .news-tracks__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-tracks__tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 10px 14px;
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.page-news .news-tracks__tab[aria-selected="true"] {
  color: var(--deep);
  border-bottom-color: var(--cyan);
}

.page-news .news-tracks__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .tabs__panel {
  display: block;
  padding-top: 18px;
}

.page-news .news-tracks__cap {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-track-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-track-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-news .news-track-list a:hover,
.page-news .news-track-list a:focus-visible {
  border-color: var(--water);
  outline: none;
  background: #fff;
}

.page-news .news-track-list b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 要目 ---------- */
.page-news .news-contents {
  padding: clamp(34px, 6vw, 62px) 0 clamp(30px, 5vw, 54px);
  background: var(--paper);
}

.page-news .news-contents h2 {
  margin: 0.35em 0 0.4em;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
}

.page-news .news-contents__list {
  list-style: none;
  counter-reset: tocline;
  margin: 18px 0 0;
  padding: 0;
}

.page-news .news-contents__item {
  counter-increment: tocline;
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-contents__item::before {
  content: counter(tocline, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--water);
  padding-top: 4px;
}

.page-news .news-contents__title {
  margin: 0 0 8px;
  font-size: clamp(1.02rem, 3.8vw, 1.22rem);
  line-height: 1.5;
}

.page-news .news-contents__title a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .news-contents__title a:hover,
.page-news .news-contents__title a:focus-visible {
  color: var(--water);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-news .news-contents__point {
  margin: 0 0 10px;
  line-height: 1.78;
  color: var(--ink);
  font-size: 0.95rem;
}

.page-news .news-contents .note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 报告列表 ---------- */
.page-news .news-reports {
  padding: clamp(30px, 5vw, 54px) 0 clamp(38px, 6vw, 68px);
  background: var(--paper);
}

.page-news .news-reports h2 {
  margin: 0.35em 0 0.5em;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
}

.page-news .news-reports__intro {
  margin: 0;
  max-width: 42em;
  line-height: 1.78;
  color: var(--muted);
  font-size: 0.95rem;
}

.page-news .news-stage {
  margin-top: clamp(30px, 5vw, 46px);
  padding-top: 16px;
  border-top: 2px solid var(--deep);
}

.page-news .news-stage__title {
  margin: 0 0 6px;
  font-size: clamp(1.06rem, 3.8vw, 1.32rem);
  letter-spacing: -0.01em;
}

.page-news .news-stage__meta {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-news .news-entry {
  display: grid;
  grid-template-columns: var(--news-rail) 1fr;
  gap: 0 12px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-entry:first-of-type {
  border-top: 0;
}

.page-news .news-entry__scale {
  position: relative;
  min-height: 100%;
}

.page-news .news-entry__tick {
  position: absolute;
  left: 6px;
  top: 2px;
  bottom: 2px;
  width: 2px;
  background: linear-gradient(180deg, var(--news-tick) 0%, var(--water) 42%, var(--line) 100%);
}

.page-news .news-entry__no {
  position: absolute;
  left: 16px;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-entry__body {
  min-width: 0;
}

.page-news .news-entry__title {
  margin: 0 0 10px;
  font-size: clamp(1.06rem, 4.2vw, 1.36rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-news .news-entry__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 10px;
  padding: 0;
}

.page-news .news-entry__tags .pill {
  background: var(--sand);
  border: 1px solid var(--line);
  color: var(--deep);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  padding: 3px 10px;
  border-radius: 999px;
}

.page-news .news-entry__meta {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-entry__abstract {
  margin: 0;
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-news .news-entry__note {
  margin-top: 12px;
}

.page-news .news-entry__note summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--water);
}

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

.page-news .news-entry__note summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
}

.page-news .news-entry__note[open] summary::before {
  content: "－";
}

.page-news .news-entry__note summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-news .news-entry__note .note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--cyan);
  padding-left: 12px;
}

.page-news .news-figure {
  margin: 16px 0 0;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--sand);
  object-fit: cover;
}

.page-news .news-figure figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 专题归档 ---------- */
.page-news .news-series {
  padding: clamp(34px, 6vw, 62px) 0 clamp(34px, 6vw, 64px);
  background: var(--sand);
}

.page-news .news-series h2 {
  margin: 0.35em 0 0.5em;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
}

.page-news .news-series__intro {
  margin: 0;
  max-width: 42em;
  line-height: 1.78;
  color: var(--muted);
  font-size: 0.95rem;
}

.page-news .news-series__grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-news .news-series__card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--water);
  border-radius: var(--radius);
  padding: 18px 18px 20px;
}

.page-news .news-series__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--water);
}

.page-news .news-series__card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.page-news .news-series__card p {
  margin: 0;
  line-height: 1.78;
  font-size: 0.94rem;
  color: var(--ink);
}

.page-news .news-figure--wide {
  margin-top: 22px;
}

/* ---------- 方法旁注 ---------- */
.page-news .news-method {
  position: relative;
  padding: clamp(34px, 6vw, 66px) 0 clamp(36px, 6vw, 70px);
  background: linear-gradient(180deg, var(--deep) 0%, #0A3D5D 100%);
  color: var(--paper);
}

.page-news .news-method .eyebrow {
  color: var(--cyan);
}

.page-news .news-method h2 {
  margin: 0.35em 0 0.9em;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
}

.page-news .news-method__grid {
  display: grid;
  gap: 14px;
}

.page-news .news-glass {
  padding: 20px 18px;
  border: 1px solid rgba(191, 239, 232, 0.28);
  border-radius: var(--radius);
}

.page-news .news-glass h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-news .news-glass p {
  margin: 0;
  line-height: 1.78;
  font-size: 0.94rem;
  color: rgba(251, 250, 247, 0.88);
}

/* ---------- 引用与纠错 ---------- */
.page-news .news-reuse {
  padding: clamp(34px, 6vw, 62px) 0 clamp(40px, 6vw, 70px);
  background: var(--paper);
}

.page-news .news-reuse__inner {
  display: grid;
  gap: 28px;
}

.page-news .news-reuse h2 {
  margin: 0.35em 0 0.7em;
  font-size: clamp(1.4rem, 5vw, 2.05rem);
}

.page-news .news-reuse__text p {
  margin: 0 0 14px;
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-news .news-reuse .note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--cyan);
  padding-left: 12px;
}

.page-news .news-reuse__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-news .news-reuse__actions .btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-reuse__aside {
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.page-news .news-reuse__aside h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.page-news .news-reuse__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-reuse__list a {
  color: var(--water);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.7;
  display: block;
  padding-left: 14px;
  position: relative;
}

.page-news .news-reuse__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 2px;
  background: var(--cyan);
}

.page-news .news-reuse__list a:hover,
.page-news .news-reuse__list a:focus-visible {
  color: var(--deep);
  text-decoration: underline;
  outline: none;
}

@media (min-width: 760px) {
  .page-news {
    --news-rail: 72px;
  }

  .page-news .news-index__head {
    grid-template-columns: 1fr minmax(240px, 300px);
    gap: 32px;
  }

  .page-news .news-track-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
  }

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

  .page-news .news-hero__meta li {
    flex-direction: column;
    gap: 4px;
  }

  .page-news .news-series__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-method__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-reuse__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(260px, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-entry {
    gap: 0 22px;
    padding: 26px 0;
  }

  .page-news .news-entry__abstract,
  .page-news .news-contents__point {
    max-width: 44em;
  }
}

@media (min-width: 1060px) {
  .page-news .news-method__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .news-entry {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
  }

  .page-news .news-entry__body {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 0 28px;
    align-items: start;
  }

  .page-news .news-entry__title,
  .page-news .news-entry__tags {
    grid-column: 1;
  }

  .page-news .news-entry__meta,
  .page-news .news-entry__abstract,
  .page-news .news-entry__note {
    grid-column: 2;
  }

  .page-news .news-entry__meta {
    grid-row: 1;
    margin-top: 4px;
  }

  .page-news .news-entry__abstract {
    grid-row: 2 / span 2;
  }

  .page-news .news-entry__note {
    grid-row: 4;
    grid-column: 1 / -1;
  }

  .page-news .news-entry__body .news-figure {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-track-list a,
  .page-news .news-contents__title a,
  .page-news .news-reuse__actions .btn {
    transition: none;
  }
}