.page-news {
  --news-gap: clamp(18px, 3.5vw, 44px);
  --news-rail: clamp(28px, 5vw, 64px);
  overflow-x: clip;
}

/* ---------- 面包屑与首屏 ---------- */

.page-news .news-crumbs {
  padding-block: clamp(18px, 4vw, 34px) 0;
}

.page-news .news-masthead {
  position: relative;
  padding-block: clamp(26px, 5vw, 60px) clamp(30px, 6vw, 72px);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  top: 14%;
  right: 0;
  width: clamp(110px, 20vw, 250px);
  height: clamp(110px, 20vw, 250px);
  border: 1px solid var(--line);
  border-left-color: var(--green);
  transform: rotate(15deg);
  transform-origin: top right;
  pointer-events: none;
}

.page-news .news-masthead__grid {
  display: grid;
  gap: clamp(26px, 5vw, 56px);
}

.page-news .news-masthead h1.display {
  margin: 14px 0 18px;
  max-width: 17ch;
}

.page-news .news-masthead .lede {
  max-width: 56ch;
  margin: 0;
}

.page-news .news-masthead__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0 clamp(18px, 3vw, 40px);
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-masthead__facts > div {
  padding: 14px 0 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead__label {
  margin: 0 0 8px;
  color: var(--graphite);
  font-size: 12px;
  letter-spacing: 0.28em;
}

.page-news .news-masthead__facts dd {
  margin: 0;
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--green-text);
}

/* ---------- 通用章节头 ---------- */

.page-news .section-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-news .section-head .coord {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--graphite);
}

.page-news .section-head .lede {
  margin: 14px 0 0;
}

.page-news .path {
  margin: clamp(24px, 4vw, 40px) 0 0;
  font-size: 13px;
  color: var(--graphite);
}

.page-news .path a {
  color: var(--green-text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 本期重点 ---------- */

.page-news .news-focus__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.page-news .news-focus__grid > article {
  padding: clamp(22px, 4vw, 40px);
  position: relative;
}

.page-news .news-focus__ver {
  background:
    linear-gradient(152deg, rgba(0, 224, 138, 0.13), rgba(0, 224, 138, 0) 62%),
    var(--ink-800);
}

.page-news .news-focus__fit {
  background:
    linear-gradient(152deg, rgba(201, 210, 218, 0.09), rgba(201, 210, 218, 0) 62%),
    var(--ink-900);
}

.page-news .news-focus__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 700;
  object-fit: cover;
  margin: 0 0 22px;
  border: 1px solid var(--line);
  opacity: 0.9;
}

.page-news .news-focus__grid .tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-news .news-focus__grid h3 {
  margin: 0 0 12px;
}

.page-news .news-focus__grid p {
  margin: 0 0 12px;
  color: var(--silver);
  max-width: 46ch;
}

.page-news .news-focus__note {
  font-size: 14px;
  color: var(--graphite);
}

/* ---------- 版本轴 ---------- */

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

.page-news .news-axis__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
  margin: 0 0 clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  opacity: 0.7;
}

.page-news .news-axis__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-axis__list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--green), var(--line) 18%, var(--line) 82%, rgba(27, 58, 84, 0));
}

.page-news .news-axis__item {
  position: relative;
  padding-left: var(--news-rail);
  padding-bottom: clamp(26px, 4vw, 46px);
}

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

.page-news .news-axis__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--ink-900);
  border: 1px solid var(--green);
  transform: rotate(45deg);
}

.page-news .news-axis__tick {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--graphite);
}

.page-news .news-axis__ver {
  margin: 4px 0 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-news .news-axis__item h3 {
  margin: 0 0 10px;
  color: var(--paper);
}

.page-news .news-axis__item p {
  margin: 0;
  color: var(--silver);
  max-width: 52ch;
}

/* ---------- 适配观察 ---------- */

.page-news .news-fit__grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .news-fit__col {
  padding: clamp(20px, 3vw, 32px);
  border-top: 2px solid var(--line);
}

.page-news .news-fit__col--android {
  border-top-color: var(--green);
  background: linear-gradient(180deg, rgba(0, 224, 138, 0.07), rgba(10, 23, 38, 0) 70%);
}

.page-news .news-fit__col--ios {
  border-top-color: var(--silver);
  background: linear-gradient(180deg, rgba(201, 210, 218, 0.07), rgba(10, 23, 38, 0) 70%);
}

.page-news .news-fit__os {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.24em;
}

.page-news .news-fit__col--android .news-fit__os {
  color: var(--green-text);
}

.page-news .news-fit__col--ios .news-fit__os {
  color: var(--silver);
}

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

.page-news .news-fit__col li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-news .news-fit__col li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .news-fit__col strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 场景笔记 ---------- */

.page-news .news-scenes__body {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .news-scene {
  border-top: 1px solid var(--line);
}

.page-news .news-scene:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-news .news-scene > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px clamp(14px, 2vw, 26px);
  padding: clamp(16px, 2.4vw, 22px) 0;
  cursor: pointer;
  list-style: none;
  transition: background-color 180ms ease;
}

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

.page-news .news-scene > summary:hover,
.page-news .news-scene > summary:focus-visible {
  background: rgba(0, 224, 138, 0.05);
}

.page-news .news-scene__idx {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--green-text);
}

.page-news .news-scene__title {
  flex: 1 1 auto;
  min-width: 12ch;
  color: var(--paper);
  font-weight: 700;
  font-size: clamp(15.5px, 2vw, 18px);
  line-height: 1.6;
}

.page-news .news-scene__hint {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--graphite);
}

.page-news .news-scene__body {
  padding: 4px 0 clamp(18px, 2.6vw, 26px);
}

.page-news .news-scene__body ol {
  counter-reset: nsc;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-scene__body li {
  counter-increment: nsc;
  position: relative;
  padding-left: 34px;
  margin-bottom: 10px;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-news .news-scene__body li::before {
  content: counter(nsc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

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

/* ---------- 分类标签页 ---------- */

.page-news .tabs {
  margin-top: clamp(8px, 2vw, 20px);
}

.page-news .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: clamp(14px, 2vw, 20px);
  margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}

.page-news .tab {
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-news .tab:hover {
  border-color: var(--green-text);
  color: var(--paper);
}

.page-news .tab[aria-selected="true"] {
  border-color: var(--green);
  background: rgba(0, 224, 138, 0.09);
  color: var(--green-text);
}

.page-news .tab-panel > p {
  max-width: 62ch;
  margin: 0 0 18px;
  color: var(--silver);
}

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

.page-news .news-catlist li {
  display: flex;
  gap: clamp(12px, 2vw, 24px);
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.7;
}

.page-news .news-catlist .mono {
  flex: 0 0 auto;
  width: 7.5em;
  color: var(--green-text);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* ---------- 订阅提示条 ---------- */

.page-news .news-subscribe {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px clamp(16px, 2.6vw, 28px);
  margin-top: clamp(30px, 5vw, 60px);
  padding: 14px clamp(18px, 3vw, 28px);
  background: var(--ink-800);
  border-top: 1px solid var(--green);
  border-bottom: 1px solid var(--line);
}

.page-news .news-subscribe__label {
  margin: 0;
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--amber);
}

.page-news .news-subscribe__text {
  margin: 0;
  flex: 1 1 22ch;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .news-subscribe .btn {
  flex: 0 0 auto;
}

/* ---------- 断点 ---------- */

@media (max-width: 719px) {
  .page-news .news-masthead::after {
    display: none;
  }

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

  .page-news .news-catlist .mono {
    width: auto;
  }
}

@media (min-width: 760px) {
  .page-news .news-focus__grid {
    grid-template-columns: 1.15fr 1fr;
  }

  .page-news .news-fit__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-scenes__body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, 1fr);
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-news .news-subscribe {
    position: sticky;
    bottom: 0;
    z-index: 6;
  }
}

@media (min-width: 960px) {
  .page-news .news-axis__list::before {
    left: 50%;
    margin-left: -0.5px;
  }

  .page-news .news-axis__item {
    width: 50%;
    padding-left: 0;
    padding-bottom: clamp(30px, 4vw, 54px);
  }

  .page-news .news-axis__item:nth-child(odd) {
    padding-right: clamp(30px, 4vw, 64px);
  }

  .page-news .news-axis__item:nth-child(odd)::before {
    left: auto;
    right: -4.5px;
  }

  .page-news .news-axis__item:nth-child(even) {
    margin-left: 50%;
    padding-left: clamp(30px, 4vw, 64px);
  }

  .page-news .news-axis__item:nth-child(even)::before {
    left: -4.5px;
  }

  .page-news .news-axis__item p {
    max-width: 42ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-scene > summary,
  .page-news .tab {
    transition: none;
  }
}