.page-news {
  --news-radius: 14px;
  --news-space: clamp(56px, 8vw, 104px);
  --news-accent: var(--c-blue);
  background: var(--c-garage);
  color: var(--c-silver);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .display {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.02em;
}

.page-news .lede {
  font-family: var(--font-body);
  color: var(--c-silver);
  line-height: 1.78;
  max-width: 56ch;
}

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-dim);
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0 clamp(44px, 6vw, 80px);
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: min(760px, 82vw);
  height: min(760px, 82vw);
  background:
    radial-gradient(circle at 35% 32%, rgba(79, 184, 255, 0.20), transparent 60%),
    radial-gradient(circle at 72% 68%, rgba(19, 90, 140, 0.36), transparent 62%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 84%);
  pointer-events: none;
}

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

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--c-white);
  max-width: 18ch;
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 14px;
  border-left: 1px solid var(--c-line);
}

.page-news .news-hero__k {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-dim);
}

.page-news .news-hero__v {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-white);
  letter-spacing: 0.02em;
}

.page-news .news-hero__v--warn {
  color: var(--c-orange);
}

/* ---------- 本期头条 ---------- */
.page-news .news-feature-wrap {
  padding: clamp(36px, 5vw, 64px) 0 0;
}

.page-news .news-feature {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--c-line);
  border-radius: var(--news-radius);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(19, 90, 140, 0.40), rgba(5, 7, 10, 0) 64%),
    var(--c-steel);
  box-shadow: var(--shadow-soft);
}

.page-news .news-feature__media {
  position: relative;
  min-height: 200px;
  overflow: hidden;
}

.page-news .news-feature__img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  opacity: 0.7;
  filter: saturate(0.85) contrast(1.06);
}

.page-news .news-feature__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 10, 0.12), rgba(5, 7, 10, 0.88));
  pointer-events: none;
}

.page-news .news-feature__body {
  padding: clamp(22px, 4vw, 44px);
}

.page-news .news-feature__flag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-news .news-feature__flag::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--c-orange);
}

.page-news .news-feature__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--c-white);
  max-width: 22ch;
}

.page-news .news-feature__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-silver);
}

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

.page-news .news-feature__scope > div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-feature__scope dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-dim);
}

.page-news .news-feature__scope dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-silver);
}

.page-news .news-feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 筛选与条目流 ---------- */
.page-news .news-shell {
  position: relative;
  padding: var(--news-space) 0 0;
}

.page-news .section__head {
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-news .section__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--c-white);
  max-width: 24ch;
}

.page-news .nf-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .news-index {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-news .news-index__head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-dim);
}

.page-news .news-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .filter-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-carbon);
  color: var(--c-silver);
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .filter-pill:hover {
  border-color: var(--c-silver);
  color: var(--c-white);
}

.page-news .filter-pill__n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-dim);
}

.page-news .news-index__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-dim);
}

/* 选中态 */
.page-news #nf-all:checked ~ .news-grid .filter-pill[for="nf-all"],
.page-news #nf-entry:checked ~ .news-grid .filter-pill[for="nf-entry"],
.page-news #nf-version:checked ~ .news-grid .filter-pill[for="nf-version"],
.page-news #nf-env:checked ~ .news-grid .filter-pill[for="nf-env"],
.page-news #nf-sec:checked ~ .news-grid .filter-pill[for="nf-sec"] {
  border-color: var(--c-blue);
  background: rgba(79, 184, 255, 0.10);
  color: var(--c-white);
  box-shadow: inset 3px 0 0 var(--c-blue);
}

.page-news #nf-all:checked ~ .news-grid .filter-pill[for="nf-all"] .filter-pill__n,
.page-news #nf-entry:checked ~ .news-grid .filter-pill[for="nf-entry"] .filter-pill__n,
.page-news #nf-version:checked ~ .news-grid .filter-pill[for="nf-version"] .filter-pill__n,
.page-news #nf-env:checked ~ .news-grid .filter-pill[for="nf-env"] .filter-pill__n,
.page-news #nf-sec:checked ~ .news-grid .filter-pill[for="nf-sec"] .filter-pill__n {
  color: var(--c-blue);
}

/* 键盘焦点 */
.page-news #nf-all:focus-visible ~ .news-grid .filter-pill[for="nf-all"],
.page-news #nf-entry:focus-visible ~ .news-grid .filter-pill[for="nf-entry"],
.page-news #nf-version:focus-visible ~ .news-grid .filter-pill[for="nf-version"],
.page-news #nf-env:focus-visible ~ .news-grid .filter-pill[for="nf-env"],
.page-news #nf-sec:focus-visible ~ .news-grid .filter-pill[for="nf-sec"] {
  outline: 2px solid var(--c-blue);
  outline-offset: 2px;
}

/* 筛选生效 */
.page-news #nf-entry:checked ~ .news-grid .log-item:not(.is-entry),
.page-news #nf-version:checked ~ .news-grid .log-item:not(.is-version),
.page-news #nf-env:checked ~ .news-grid .log-item:not(.is-env),
.page-news #nf-sec:checked ~ .news-grid .log-item:not(.is-sec) {
  display: none;
}

.page-news .nf-input:not(#nf-all):checked ~ .news-grid .stream-figure {
  display: none;
}

/* 条目 */
.page-news .news-stream {
  min-width: 0;
  border-bottom: 1px solid var(--c-line);
}

.page-news .log-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid var(--c-line);
  transition: transform 0.2s var(--ease);
}

.page-news .log-item:hover {
  transform: translateX(2px);
}

.page-news .log-item__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-dim);
  padding-top: 3px;
}

.page-news .log-item__body {
  min-width: 0;
}

.page-news .log-item__body::after {
  content: "";
  display: block;
  clear: both;
}

.page-news .log-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 9px;
}

.page-news .log-tag {
  display: inline-block;
  padding: 4px 9px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-silver);
  background: rgba(169, 179, 190, 0.06);
}

.page-news .log-tag--entry {
  color: var(--c-blue);
  border-color: rgba(79, 184, 255, 0.42);
  background: rgba(79, 184, 255, 0.08);
}

.page-news .log-tag--version {
  color: var(--c-white);
  border-color: rgba(237, 241, 245, 0.34);
  background: rgba(237, 241, 245, 0.07);
}

.page-news .log-tag--env {
  color: var(--c-silver);
  border-color: var(--c-line);
  background: rgba(169, 179, 190, 0.06);
}

.page-news .log-tag--sec {
  color: var(--c-orange);
  border-color: rgba(255, 138, 43, 0.44);
  background: rgba(255, 138, 43, 0.08);
}

.page-news .log-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-dim);
}

.page-news .log-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-white);
}

.page-news .log-item__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-silver);
}

.page-news .log-item__more {
  margin-top: 10px;
}

.page-news .log-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  font-size: 13px;
  color: var(--c-blue);
  cursor: pointer;
  list-style: none;
}

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

.page-news .log-item__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-news .log-item__more[open] summary::after {
  content: "–";
}

.page-news .log-item__more p {
  margin: 4px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-news .log-item__thumb {
  float: right;
  width: 72px;
  height: 72px;
  margin: 2px 0 10px 14px;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-carbon);
}

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

.page-news .stream-figure {
  margin: 24px 0;
  border: 1px solid var(--c-line);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: var(--c-carbon);
}

.page-news .stream-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.82;
}

/* ---------- 版本脉络 ---------- */
.page-news .lifeline {
  padding: var(--news-space) 0 0;
}

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

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

.page-news .lifeline__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-news .lifeline__list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-blue), var(--c-line));
}

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

.page-news .lifeline__node {
  display: grid;
  grid-template-columns: 15px minmax(0, 1fr);
  grid-template-areas:
    "dot ver"
    "dot desc";
  gap: 3px 16px;
  padding: 13px 0;
  text-decoration: none;
  color: inherit;
}

.page-news .lifeline__dot {
  grid-area: dot;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  border: 1px solid var(--c-blue);
  border-radius: 50%;
  background: var(--c-garage);
  box-shadow: 0 0 0 4px rgba(79, 184, 255, 0.08);
  transition: background 0.2s var(--ease);
}

.page-news .lifeline__ver {
  grid-area: ver;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-white);
  transition: color 0.2s var(--ease);
}

.page-news .lifeline__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-silver);
}

.page-news .lifeline__node:hover .lifeline__ver {
  color: var(--c-blue);
}

.page-news .lifeline__node:hover .lifeline__dot {
  background: var(--c-blue);
}

.page-news .lifeline__node:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 3px;
}

/* ---------- 回看与提醒 ---------- */
.page-news .archive {
  padding: var(--news-space) 0 clamp(64px, 9vw, 120px);
}

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

.page-news .archive__panel {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--c-line);
  border-radius: var(--news-radius);
  background: var(--c-steel);
}

.page-news .archive__panel--accent {
  background:
    linear-gradient(150deg, rgba(19, 90, 140, 0.42), rgba(5, 7, 10, 0) 70%),
    var(--c-steel);
}

.page-news .archive__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-news .archive__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-news .archive__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: arc;
}

.page-news .archive__list li {
  position: relative;
  padding: 9px 0 9px 26px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-silver);
  counter-increment: arc;
}

.page-news .archive__list li::before {
  content: counter(arc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-dim);
}

.page-news .archive__link {
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 184, 255, 0.4);
}

.page-news .archive__link:hover {
  border-bottom-color: var(--c-blue);
}

.page-news .archive__cta {
  margin-top: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-news .news-feature__scope > div {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }

  .page-news .log-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 16px;
    padding: 24px 0;
  }

  .page-news .log-item__thumb {
    width: 88px;
    height: 88px;
  }

  .page-news .archive__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-news .news-feature {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-news .news-feature__media {
    min-height: 100%;
    clip-path: polygon(0 0, 100% 0, 86% 100%, 0 100%);
  }

  .page-news .news-feature__img {
    min-height: 100%;
  }

  .page-news .news-grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-news .news-index__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
    gap: 8px;
  }

  .page-news .filter-pill {
    width: 100%;
    justify-content: space-between;
    padding: 0 14px;
    border-radius: 10px;
  }

  .page-news .lifeline__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 56px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item,
  .page-news .filter-pill,
  .page-news .lifeline__dot,
  .page-news .lifeline__ver {
    transition: none;
  }

  .page-news .log-item:hover {
    transform: none;
  }
}