.page-news {
  --rail-w: 236px;
  --news-line: var(--line);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

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

.page-news .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 6vw, 72px) 0 clamp(34px, 6vw, 76px);
  border-bottom: 1px solid var(--news-line);
}

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

.page-news .news-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(1.15);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(5, 13, 24, 0.62) 0%, rgba(5, 13, 24, 0.88) 58%, var(--ink) 100%),
    repeating-linear-gradient(90deg, rgba(45, 226, 230, 0.07) 0 1px, transparent 1px 80px);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
}

.page-news .news-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.025em;
  line-height: 1.04;
  font-size: clamp(2rem, 6.6vw, 4.2rem);
  color: var(--paper);
}

.page-news .news-hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--cyan);
  letter-spacing: 0;
}

.page-news .news-hero__lead {
  max-width: 62ch;
  margin: 0 0 26px;
  color: var(--mute);
  font-size: clamp(0.95rem, 2.2vw, 1.06rem);
  line-height: 1.8;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 头条 ---------- */
.page-news .sig {
  padding: clamp(28px, 5vw, 56px) 0 0;
}

.page-news .sig__card {
  position: relative;
  display: grid;
  gap: 16px;
  padding: clamp(20px, 4vw, 40px);
  background:
    linear-gradient(135deg, var(--ink-3) 0%, var(--ink-2) 58%, #08182a 100%);
  border-top: 3px solid var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-news .sig__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--lime), transparent 70%);
}

.page-news .sig__num {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--lime);
}

.page-news .sig__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .sig__time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-news .sig__body h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.6vw, 2.05rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .sig__body p {
  margin: 0 0 20px;
  max-width: 66ch;
  color: var(--mute);
  line-height: 1.8;
}

.page-news .sig__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-news .sig__plain {
  color: var(--cyan);
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
  padding-bottom: 2px;
}

.page-news .sig__plain:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* ---------- 列表区 ---------- */
.page-news .stream {
  position: relative;
  padding: clamp(30px, 5vw, 60px) 0 clamp(34px, 5vw, 64px);
}

.page-news .stream__f,
.page-news .topics__f {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-news .stream__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-news .stream__rail {
  border: 1px solid var(--news-line);
  background: rgba(10, 27, 46, 0.6);
  padding: 16px;
}

.page-news .rail-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-news .rail-label--gap {
  margin-top: 22px;
}

.page-news .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .chip {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 108px;
  padding: 9px 13px;
  border: 1px solid var(--news-line);
  background: var(--ink-2);
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .chip b {
  font-weight: 500;
  font-size: 11px;
  color: var(--line);
}

.page-news .chip:hover {
  color: var(--paper);
  border-color: var(--cyan-soft);
}

.page-news .chip:hover b {
  color: var(--cyan-soft);
}

.page-news #nf-all:checked ~ .stream__grid .chip[for="nf-all"],
.page-news #nf-sched:checked ~ .stream__grid .chip[for="nf-sched"],
.page-news #nf-ver:checked ~ .stream__grid .chip[for="nf-ver"],
.page-news #nf-team:checked ~ .stream__grid .chip[for="nf-team"],
.page-news #nf-svc:checked ~ .stream__grid .chip[for="nf-svc"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-news #nf-all:checked ~ .stream__grid .chip[for="nf-all"] b,
.page-news #nf-sched:checked ~ .stream__grid .chip[for="nf-sched"] b,
.page-news #nf-ver:checked ~ .stream__grid .chip[for="nf-ver"] b,
.page-news #nf-team:checked ~ .stream__grid .chip[for="nf-team"] b,
.page-news #nf-svc:checked ~ .stream__grid .chip[for="nf-svc"] b {
  color: rgba(5, 13, 24, 0.6);
}

.page-news #nf-all:focus-visible ~ .stream__grid .chip[for="nf-all"],
.page-news #nf-sched:focus-visible ~ .stream__grid .chip[for="nf-sched"],
.page-news #nf-ver:focus-visible ~ .stream__grid .chip[for="nf-ver"],
.page-news #nf-team:focus-visible ~ .stream__grid .chip[for="nf-team"],
.page-news #nf-svc:focus-visible ~ .stream__grid .chip[for="nf-svc"],
.page-news .topics__f:focus-visible ~ .wrap .topics__tab {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* 分类筛选 */
.page-news #nf-sched:checked ~ .stream__grid .news-item:not([data-cat="sched"]),
.page-news #nf-ver:checked ~ .stream__grid .news-item:not([data-cat="ver"]),
.page-news #nf-team:checked ~ .stream__grid .news-item:not([data-cat="team"]),
.page-news #nf-svc:checked ~ .stream__grid .news-item:not([data-cat="svc"]) {
  display: none;
}

.page-news .rail-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .rail-note {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px dashed var(--news-line);
}

.page-news .rail-note p {
  margin: 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--mute);
}

.page-news .rail-note .dot {
  flex: 0 0 auto;
  margin-top: 5px;
}

/* ---------- 时间轴 ---------- */
.page-news .stream__title {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 30px;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--news-line) 46%, rgba(36, 67, 95, 0) 100%);
}

.page-news .news-item {
  position: relative;
  margin-bottom: 14px;
  padding: 15px 16px;
  background: var(--ink-2);
  border: 1px solid var(--news-line);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 20px;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  background: var(--ink);
  border: 1px solid var(--cyan);
}

.page-news .news-item:hover {
  border-color: rgba(45, 226, 230, 0.5);
  background: var(--ink-3);
}

.page-news .news-item--pin {
  border-left: 2px solid var(--lime);
}

.page-news .news-item--pin::before {
  background: var(--lime);
  border-color: var(--lime);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px;
}

.page-news .news-item__time {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.6vw, 1.16rem);
  line-height: 1.42;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mute);
}

.page-news .news-item__figure {
  margin: 0 0 14px;
  border: 1px solid var(--news-line);
  overflow: hidden;
}

.page-news .news-item__figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .news-more {
  margin-top: 12px;
  border-top: 1px dashed var(--news-line);
  padding-top: 10px;
}

.page-news .news-more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

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

.page-news .news-more summary::before {
  content: "+ ";
}

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

.page-news .news-more summary:hover {
  color: var(--orange-soft);
}

.page-news .news-more ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--mute);
  font-size: 0.86rem;
  line-height: 1.75;
}

.page-news .news-more li {
  margin-bottom: 4px;
}

/* ---------- 专题 ---------- */
.page-news .topics {
  position: relative;
  padding: clamp(32px, 5.5vw, 68px) 0;
  border-top: 1px solid var(--news-line);
  background:
    radial-gradient(circle at 88% 8%, rgba(124, 107, 255, 0.16), transparent 52%),
    var(--ink);
}

.page-news .topics__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  font-size: clamp(1.5rem, 4.4vw, 2.5rem);
  color: var(--paper);
}

.page-news .topics__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 22px;
}

.page-news .topics__tab {
  padding: 9px 16px;
  border: 1px solid var(--news-line);
  background: var(--ink-2);
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .topics__tab:hover {
  color: var(--paper);
  border-color: var(--cyan-soft);
}

.page-news #nt-cal:checked ~ .wrap .topics__tab[for="nt-cal"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-news #nt-patch:checked ~ .wrap .topics__tab[for="nt-patch"] {
  background: var(--violet);
  border-color: var(--violet);
  color: var(--paper);
  font-weight: 700;
}

.page-news #nt-cal:checked ~ .wrap [data-panel="patch"],
.page-news #nt-patch:checked ~ .wrap [data-panel="cal"] {
  display: none;
}

.page-news .topics__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 18px;
  border: 1px solid var(--news-line);
  background: rgba(10, 27, 46, 0.66);
  border-left: 2px solid var(--cyan);
}

.page-news .topics__media {
  border: 1px solid var(--news-line);
  overflow: hidden;
}

.page-news .topics__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .topics__copy h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  line-height: 1.4;
  color: var(--paper);
}

.page-news .topics__copy p {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mute);
}

.page-news .topics__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-news .topics__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .topics__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  border: 1px solid var(--lime);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  padding: clamp(32px, 5.5vw, 68px) 0 clamp(36px, 6vw, 74px);
  background: var(--ink-2);
  border-top: 1px solid var(--news-line);
}

.page-news .cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-news .cadence__intro h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  font-size: clamp(1.5rem, 4.2vw, 2.4rem);
  color: var(--paper);
}

.page-news .cadence__intro p {
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mute);
}

.page-news .cadence__link {
  display: inline-block;
  color: var(--cyan);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
  padding-bottom: 2px;
}

.page-news .cadence__link:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-news .cadence__rows {
  display: grid;
  gap: 2px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .cadence__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ink);
}

.page-news .cadence__when {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-news .cadence__row h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper);
}

.page-news .cadence__row p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--mute);
}

.page-news .subscribe {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 42px);
  padding: clamp(18px, 3.6vw, 30px);
  border: 1px solid var(--news-line);
  border-top: 2px solid var(--orange);
  background: linear-gradient(120deg, var(--ink-3), var(--ink));
}

.page-news .subscribe__copy h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2.8vw, 1.35rem);
  color: var(--paper);
}

.page-news .subscribe__copy p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mute);
}

.page-news .subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-news .subscribe__meta {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  word-break: break-all;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .chips {
    gap: 8px;
  }

  .page-news .news-item {
    padding: 18px 20px;
  }

  .page-news .news-item__figure img {
    aspect-ratio: 21 / 7;
  }

  .page-news .topics__panel {
    grid-template-columns: 5fr 6fr;
    gap: 24px;
    align-items: start;
    padding: 22px;
  }

  .page-news .topics__media img {
    aspect-ratio: 4 / 3;
  }

  .page-news .cadence__row {
    grid-template-columns: 132px 1fr;
    gap: 18px;
    align-items: start;
  }

  .page-news .subscribe {
    grid-template-columns: 1.5fr 1fr;
    align-items: center;
  }

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

  .page-news .sig__card {
    grid-template-columns: 96px 1fr;
    gap: 26px;
    align-items: start;
  }

  .page-news .sig__num {
    position: sticky;
    top: 8px;
  }
}

@media (min-width: 960px) {
  .page-news .stream__grid {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 52px);
  }

  .page-news .stream__rail {
    position: sticky;
    top: 22px;
    align-self: start;
  }

  .page-news .chips {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .chip {
    width: 100%;
    flex: 0 0 auto;
  }

  .page-news .cadence__grid {
    grid-template-columns: 4fr 7fr;
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-news .timeline {
    padding-left: 34px;
  }

  .page-news .news-item::before {
    left: -34px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__lead {
    max-width: 68ch;
  }

  .page-news .sig__card {
    grid-template-columns: 118px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .chip,
  .page-news .news-item,
  .page-news .topics__tab,
  .page-news .sig__plain,
  .page-news .cadence__link {
    transition: none;
  }
}