.page-news {
  --obs-gap: clamp(48px, 8vw, 96px);
  background: var(--ink);
  color: var(--white);
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */

.page-news .obs-head {
  position: relative;
  padding: 26px 0 36px;
  border-bottom: 1px solid var(--rail);
}

.page-news .obs-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(40%, 420px);
  height: 2px;
  background: linear-gradient(90deg, var(--lime), transparent);
}

.page-news .obs-head .crumbs {
  margin-bottom: 20px;
}

.page-news .obs-head h1 {
  font-size: clamp(28px, 6.2vw, 56px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  max-width: 900px;
}

.page-news .obs-lede {
  max-width: 780px;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.85;
  color: var(--steel);
  margin: 0;
}

.page-news .obs-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
}

.page-news .obs-facts li {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
  padding: 0 18px;
  border-left: 1px solid var(--rail);
  line-height: 1.6;
}

.page-news .obs-facts li:first-child {
  padding-left: 0;
  border-left: 0;
}

.page-news .obs-facts b {
  color: var(--lime);
  font-weight: 700;
}

/* ---------- 区块骨架 ---------- */

.page-news .obs-block {
  padding-top: var(--obs-gap);
}

.page-news .obs-block h2 {
  font-size: clamp(23px, 4.4vw, 40px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
}

.page-news .obs-block .lede {
  color: var(--steel);
  line-height: 1.85;
  max-width: 720px;
  margin: 0;
}

/* ---------- 编辑精选 ---------- */

.page-news .feature-frame {
  position: relative;
  margin-top: 34px;
  border: 2px solid var(--rail);
  background: var(--panel);
  box-shadow: 12px 12px 0 -2px rgba(44, 47, 54, 0.6);
}

.page-news .feature-frame .media-frame {
  margin: 0;
}

.page-news .feature-body {
  padding: clamp(20px, 4vw, 36px);
}

.page-news .feature-body h3 {
  font-size: clamp(19px, 3.8vw, 30px);
  line-height: 1.22;
  font-weight: 900;
  margin: 14px 0 12px;
}

.page-news .feature-body p {
  color: var(--steel);
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
  max-width: 780px;
}

.page-news .feature-body .feature-stamp {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
  margin: 18px 0 0;
}

.page-news .feature-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rail);
  border: 1px solid var(--rail);
}

.page-news .feature-list li {
  background: var(--ink);
  padding: 22px 20px 24px;
}

.page-news .feature-list .obs-num {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--purple);
  margin-bottom: 10px;
}

.page-news .feature-list h3 {
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 8px;
}

.page-news .feature-list p {
  margin: 0;
  color: var(--steel);
  font-size: 14.5px;
  line-height: 1.8;
}

@media (min-width: 820px) {
  .page-news .feature-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 分类索引 + 记录流 ---------- */

.page-news .obs-index-layout {
  margin-top: 36px;
  display: grid;
  gap: 30px;
}

.page-news .obs-rail {
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}

.page-news .rail-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
  margin: 0 0 12px;
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.page-news .rail-list li {
  flex: 0 0 auto;
}

.page-news .rail-list a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--rail);
  color: var(--steel);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-news .rail-code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  color: var(--white);
  border-color: var(--lime);
  background: var(--panel);
}

.page-news .obs-stream {
  min-width: 0;
}

.page-news .obs-group {
  padding-bottom: 38px;
  margin-bottom: 38px;
  border-bottom: 1px solid var(--rail);
}

.page-news .obs-group:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-news .obs-group-head {
  max-width: 730px;
}

.page-news .obs-group-head h3 {
  font-size: clamp(19px, 3.5vw, 27px);
  line-height: 1.2;
  font-weight: 900;
  margin: 12px 0 10px;
}

.page-news .obs-group-head p {
  margin: 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .obs-group-media {
  margin: 24px 0 0;
  border: 1px solid var(--rail);
}

.page-news .obs-entry-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-news .obs-entry {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 0 12px;
  padding: 19px 0;
  border-top: 1px solid var(--rail);
  transition: background 0.18s ease;
}

.page-news .obs-entry:last-child {
  border-bottom: 1px solid var(--rail);
}

.page-news .obs-entry:hover {
  background: rgba(22, 26, 31, 0.72);
}

.page-news .obs-entry-idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  padding-top: 3px;
}

.page-news .obs-entry h4 {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 6px;
}

.page-news .obs-entry .obs-entry-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin: 0 0 8px;
}

.page-news .obs-entry p {
  margin: 0;
  color: var(--steel);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-news .obs-entry .obs-entry-meta {
  margin-bottom: 8px;
}

@media (min-width: 960px) {
  .page-news .obs-index-layout {
    grid-template-columns: 206px minmax(0, 1fr);
    gap: 52px;
  }

  .page-news .obs-rail {
    position: sticky;
    top: calc(var(--head-h) + 24px);
    align-self: start;
  }

  .page-news .rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .rail-list li + li {
    margin-top: 2px;
  }

  .page-news .rail-list a {
    border: 0;
    border-left: 2px solid var(--rail);
    padding: 10px 8px 10px 14px;
    width: 100%;
  }

  .page-news .rail-list a:hover,
  .page-news .rail-list a:focus-visible {
    border-left-color: var(--lime);
    background: var(--panel);
  }
}

/* ---------- 专题系列时间轴 ---------- */

.page-news .tl-layout {
  margin-top: 34px;
  display: grid;
  gap: 32px;
}

.page-news .obs-tl-media {
  margin: 0;
  border: 1px solid var(--rail);
}

.page-news .tl {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 26px;
  border-left: 1px solid var(--rail);
}

.page-news .tl-node {
  position: relative;
  padding-bottom: 30px;
}

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

.page-news .tl-mark {
  position: absolute;
  left: -33px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 0, 0.08);
}

.page-news .tl-node .tl-when {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lime);
  margin: 0 0 6px;
}

.page-news .tl-node h3 {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 6px;
}

.page-news .tl-node p {
  margin: 0;
  color: var(--steel);
  font-size: 14.5px;
  line-height: 1.8;
}

@media (min-width: 900px) {
  .page-news .tl-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
}

/* ---------- 本地情况 ---------- */

.page-news .local-grid {
  display: grid;
  gap: 30px;
}

.page-news .local-copy h2 {
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 900;
  line-height: 1.15;
  margin: 12px 0 14px;
}

.page-news .local-copy > p {
  color: var(--steel);
  font-size: 15px;
  line-height: 1.85;
  margin: 0 0 18px;
}

.page-news .local-checks {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-news .local-checks li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--rail);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--white);
}

.page-news .local-checks li:last-child {
  border-bottom: 1px solid var(--rail);
}

.page-news .local-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--red);
}

.page-news .local-dot--lime {
  background: var(--lime);
}

.page-news .local-copy > .local-link {
  margin: 0;
  font-size: 14.5px;
  color: var(--steel);
}

.page-news .local-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .local-link a:hover,
.page-news .local-link a:focus-visible {
  color: var(--lime-hi);
}

.page-news .local-media {
  margin: 0;
  border: 1px solid var(--rail);
}

@media (min-width: 900px) {
  .page-news .local-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
    align-items: start;
  }
}

/* ---------- 下一步面板 ---------- */

.page-news .next-panel {
  position: relative;
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--rail);
  background:
    linear-gradient(135deg, rgba(198, 255, 0, 0.07), rgba(0, 224, 184, 0.04) 52%, rgba(8, 9, 11, 0) 72%),
    var(--panel);
}

.page-news .next-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--cyan) 46%, transparent);
}

.page-news .next-panel h2 {
  font-size: clamp(22px, 4.4vw, 36px);
  font-weight: 900;
  line-height: 1.14;
  margin: 12px 0 14px;
  max-width: 780px;
}

.page-news .next-panel > p {
  color: var(--steel);
  font-size: 15px;
  line-height: 1.85;
  margin: 0 0 24px;
  max-width: 660px;
}

.page-news .next-links {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--rail);
  font-size: 14px;
  line-height: 1.9;
  color: var(--steel);
}

.page-news .next-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  margin: 0 2px;
}

.page-news .next-links a:hover,
.page-news .next-links a:focus-visible {
  color: var(--lime-hi);
}

/* ---------- 图片通用 ---------- */

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

@media (max-width: 520px) {
  .page-news .obs-facts {
    display: block;
  }

  .page-news .obs-facts li {
    padding: 8px 0;
    border-left: 0;
    border-top: 1px solid var(--rail);
  }

  .page-news .obs-facts li:first-child {
    border-top: 0;
    padding-top: 0;
  }

  .page-news .feature-frame {
    box-shadow: 6px 6px 0 -1px rgba(44, 47, 54, 0.6);
  }

  .page-news .obs-entry {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 0 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .obs-entry,
  .page-news .rail-list a {
    transition: none;
  }
}