/* ===== 链上研究页 · page-news ===== */

.page-news {
  --news-col-time: 84px;
  --news-trail: rgba(53, 224, 208, 0.28);
  display: block;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏：栏目声明 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 56px;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  max-width: none;
}

.page-news .news-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 12% 0%, rgba(53, 224, 208, 0.14) 0%, rgba(6, 10, 22, 0) 55%),
    radial-gradient(90% 70% at 92% 12%, rgba(123, 92, 255, 0.16) 0%, rgba(6, 10, 22, 0) 60%),
    linear-gradient(180deg, rgba(6, 10, 22, 0.66) 0%, rgba(6, 10, 22, 0.92) 62%, var(--ink) 100%);
}

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

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--aurora);
  border-bottom-color: var(--aurora);
}

.page-news .breadcrumb span[aria-current="page"] {
  color: var(--text);
}

.page-news .news-hero .eyebrow {
  display: block;
  margin-bottom: 16px;
}

.page-news .news-hero h1 {
  max-width: 15em;
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-hero__lede {
  max-width: 62ch;
  margin: 0 0 36px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-news .news-hero__facts > div {
  padding: 16px 18px;
  background: rgba(13, 20, 36, 0.82);
}

.page-news .news-hero__facts dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .news-hero__facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

/* ---------- 系列索引 ---------- */

.page-news .news-series {
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-news .news-series__head {
  display: grid;
  gap: 18px;
  margin-bottom: 40px;
}

.page-news .news-series__head .annot {
  color: var(--muted);
}

.page-news .news-series__intro {
  max-width: 60ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-series h2,
.page-news .news-chain h2,
.page-news .news-adapt h2,
.page-news .news-version h2,
.page-news .news-safety h2,
.page-news .news-entries h2,
.page-news .news-paths h2 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 25px;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .series-card {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--stone);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .series-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--aurora);
}

.page-news .series-card--violet::before { background: var(--violet); }
.page-news .series-card--alert::before { background: var(--alert); }
.page-news .series-card--pass::before { background: var(--pass); }

.page-news .series-card:hover {
  transform: translateY(-3px);
  border-color: var(--line);
}

.page-news .series-card__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--aurora);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-news .series-card--violet .series-card__tag { background: var(--violet); color: var(--text); }
.page-news .series-card--alert .series-card__tag { background: var(--alert); }
.page-news .series-card--pass .series-card__tag { background: var(--pass); }

.page-news .series-card__count {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .series-card__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .series-card__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .series-card__beat {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .series-card__beat span {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
}

.page-news .series-card__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
  transition: border-color 180ms var(--ease);
}

.page-news .series-card--violet .series-card__link { color: var(--violet); border-bottom-color: rgba(123, 92, 255, 0.45); }
.page-news .series-card--alert .series-card__link { color: var(--alert); border-bottom-color: rgba(255, 138, 61, 0.45); }
.page-news .series-card--pass .series-card__link { color: var(--pass); border-bottom-color: rgba(78, 216, 138, 0.45); }

.page-news .series-card__link:hover,
.page-news .series-card__link:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 通用分栏 ---------- */

.page-news .news-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .news-split__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-news .news-split__media {
  margin: 0;
}

.page-news .news-split__media .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  background: var(--nebula);
}

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

.page-news .news-split__media--tall .media-frame img {
  aspect-ratio: 5 / 6;
}

.page-news .media-caption {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 链支持调整 ---------- */

.page-news .news-chain {
  background: var(--nebula);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .fact-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 24px 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  list-style: none;
}

.page-news .fact-list__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--stone);
}

.page-news .fact-list__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--aurora);
}

.page-news .fact-list__item:nth-child(2) .fact-list__num { color: var(--violet); }
.page-news .fact-list__item:nth-child(3) .fact-list__num { color: var(--pass); }

.page-news .fact-list__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-news .news-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  background: rgba(53, 224, 208, 0.06);
  border-left: 2px solid var(--aurora);
}

.page-news .news-note--wide {
  max-width: 72ch;
  margin-top: 32px;
  background: rgba(123, 92, 255, 0.08);
  border-left-color: var(--violet);
}

/* ---------- 适配清单 ---------- */

.page-news .news-adapt {
  background: var(--ink);
}

.page-news .adapt-rows {
  margin: 24px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .adapt-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .adapt-row__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .adapt-row__value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.page-news .adapt-row__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .adapt-row--muted .adapt-row__value {
  color: var(--alert);
  font-size: 17px;
}

.page-news .news-note-link {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.35);
  transition: border-color 180ms var(--ease);
}

.page-news .news-note-link:hover,
.page-news .news-note-link:focus-visible {
  border-bottom-color: var(--aurora);
}

/* ---------- 版本与入口 ---------- */

.page-news .news-version {
  background: var(--nebula);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-version__head {
  display: grid;
  gap: 18px;
  margin-bottom: 36px;
}

.page-news .news-version__head p {
  max-width: 66ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .version-panel {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--stone);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-news .version-panel--beta {
  background: linear-gradient(160deg, rgba(123, 92, 255, 0.14) 0%, rgba(26, 34, 51, 1) 62%);
}

.page-news .version-panel h3 {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.page-news .version-panel > p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

.page-news .version-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-news .version-panel__list li {
  position: relative;
  padding: 12px 0 12px 22px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
}

.page-news .version-panel__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 19px;
  width: 7px;
  height: 7px;
  background: var(--aurora);
  transform: rotate(45deg);
}

.page-news .version-panel--beta .version-panel__list li::before {
  background: var(--violet);
}

/* ---------- 安全提示修订 ---------- */

.page-news .news-safety {
  background: var(--ink);
}

.page-news .news-safety .alert-panel {
  margin: 22px 0;
}

/* ---------- 条目列表 ---------- */

.page-news .news-entries {
  background: var(--stone);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-entries__head {
  max-width: 68ch;
  margin-bottom: 28px;
}

.page-news .news-entries__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-entries__tools {
  display: grid;
  gap: 16px;
  padding: 18px 16px;
  margin-bottom: 32px;
  background: var(--ink);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-news .filter-wrap {
  display: grid;
  gap: 8px;
}

.page-news .filter-wrap__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .legend li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

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

.page-news .legend__dot--violet { background: var(--violet); }
.page-news .legend__dot--alert { background: var(--alert); }
.page-news .legend__dot--pass { background: var(--pass); }

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

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 22px 0 20px;
  border-top: 1px solid rgba(53, 224, 208, 0.22);
}

.page-news .entry:last-child {
  border-bottom: 1px solid rgba(53, 224, 208, 0.22);
}

.page-news .entry::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 34px;
  height: 1px;
  background: var(--aurora);
}

.page-news .entry__time {
  align-self: start;
  justify-self: start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(6, 10, 22, 0.5);
}

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

.page-news .entry__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--aurora);
  clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}

.page-news .entry__tag--violet { background: var(--violet); color: var(--text); }
.page-news .entry__tag--alert { background: var(--alert); }
.page-news .entry__tag--pass { background: var(--pass); }

.page-news .entry__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .entry__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .entry__more {
  margin-top: 12px;
  border-left: 2px solid var(--line);
  padding-left: 12px;
}

.page-news .entry__more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--aurora);
  list-style: none;
}

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

.page-news .entry__more summary::before {
  content: "▸ ";
  color: var(--aurora);
}

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

.page-news .entry__more summary:focus-visible {
  outline: 1px solid var(--aurora);
  outline-offset: 3px;
}

.page-news .entry__more p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.74;
  color: var(--muted);
}

.page-news .news-entries__tail {
  max-width: 70ch;
  margin: 28px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 继续核对 ---------- */

.page-news .news-paths {
  background: var(--ink);
}

.page-news .news-paths__head {
  margin-bottom: 28px;
}

.page-news .path-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .path-item {
  position: relative;
  padding: 22px 20px;
  background: var(--nebula);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-news .plate-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(53, 224, 208, 0.55);
}

.page-news .path-item h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-news .path-item p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

.page-news .path-item__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.35);
  transition: border-color 180ms var(--ease);
}

.page-news .path-item__link:hover,
.page-news .path-item__link:focus-visible {
  border-bottom-color: var(--aurora);
}

.page-news .news-paths__note {
  max-width: 70ch;
  margin: 30px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 返回顶部 ---------- */

.page-news .to-top {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 表格类与图片溢出保护 ---------- */

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

.page-news .container {
  box-sizing: border-box;
}

/* ---------- 断点：平板 ---------- */

@media (min-width: 700px) {
  .page-news .news-hero {
    padding: 116px 0 68px;
  }

  .page-news .news-hero h1 {
    font-size: 40px;
  }

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

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .version-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .news-entries__tools {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 24px;
  }

  .page-news .legend {
    justify-content: flex-end;
  }

  .page-news .entry {
    grid-template-columns: var(--news-col-time) minmax(0, 1fr);
    gap: 24px;
    padding: 26px 0 24px;
  }

  .page-news .adapt-row {
    grid-template-columns: 140px minmax(0, 150px) minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-news .path-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .path-item:nth-child(2) {
    transform: translateY(14px);
  }
}

/* ---------- 断点：桌面 ---------- */

@media (min-width: 1000px) {
  .page-news .news-hero {
    padding: 132px 0 84px;
  }

  .page-news .news-hero h1 {
    font-size: 46px;
    max-width: 13em;
  }

  .page-news .news-hero__lede {
    font-size: 17px;
  }

  .page-news .news-series h2,
  .page-news .news-chain h2,
  .page-news .news-adapt h2,
  .page-news .news-version h2,
  .page-news .news-safety h2,
  .page-news .news-entries h2,
  .page-news .news-paths h2 {
    font-size: 30px;
  }

  .page-news .news-series__head,
  .page-news .news-version__head {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

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

  .page-news .news-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: center;
  }

  .page-news .news-split--reverse {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  }

  .page-news .news-split--reverse .news-split__media {
    order: -1;
  }

  .page-news .news-entries__head {
    margin-bottom: 36px;
  }

  .page-news .entry__title {
    font-size: 19px;
  }

  .page-news .path-item:nth-child(3) {
    transform: translateY(28px);
  }
}

/* ---------- 减少动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card,
  .page-news .path-item,
  .page-news .path-item__link,
  .page-news .series-card__link,
  .page-news .news-note-link,
  .page-news .breadcrumb a {
    transition: none;
    transform: none;
  }

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