.page-news {
  --news-rule: var(--grid);
  --news-wash: #eef2f4;
  --news-band: #16261f;
  background: var(--paper);
  color: var(--ink);
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--mist);
  padding: 1.5rem 0 4rem;
}

.page-news .news-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  margin: 0;
}

.page-news .news-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(18, 20, 22, 0.92) 0%, rgba(18, 20, 22, 0.6) 44%, rgba(18, 20, 22, 0.97) 100%),
    repeating-linear-gradient(90deg, rgba(143, 211, 255, 0.14) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(143, 211, 255, 0.1) 0 1px, transparent 1px 88px);
}

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

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-news .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(244, 246, 247, 0.62);
}

.page-news .breadcrumb li + li::before {
  content: "/";
  color: rgba(244, 246, 247, 0.32);
}

.page-news .breadcrumb a {
  color: var(--ice);
  text-decoration: none;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-news .news-hero__kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--signal);
}

.page-news .news-hero h1 {
  max-width: 20em;
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-news .news-hero__lede {
  max-width: 40rem;
  margin: 0 0 1.5rem;
  font-size: 0.96rem;
  line-height: 1.78;
  color: rgba(244, 246, 247, 0.82);
}

.page-news .hero-marks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  margin: 0 0 1.5rem;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid rgba(201, 211, 216, 0.26);
}

.page-news .hero-marks li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.page-news .hero-marks__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--signal);
}

.page-news .hero-marks__label {
  font-size: 0.82rem;
  color: rgba(244, 246, 247, 0.7);
}

.page-news .news-hero__jump {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px dashed rgba(143, 211, 255, 0.6);
  padding-bottom: 2px;
}

.page-news .news-hero__jump:hover,
.page-news .news-hero__jump:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--signal);
}

/* ---------- 置顶便签 ---------- */
.page-news .news-pin {
  position: relative;
  z-index: 3;
  margin-top: -2.5rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-news .pin-card {
  position: relative;
  display: grid;
  gap: 1.25rem;
  background: var(--note);
  color: var(--ink);
  border-left: 5px solid var(--signal);
  border-radius: var(--note-radius);
  padding: clamp(1.15rem, 3.5vw, 2rem);
  box-shadow: 0 26px 50px -34px rgba(18, 20, 22, 0.7);
}

.page-news .pin-card__pin {
  position: absolute;
  top: -13px;
  left: clamp(1.15rem, 3.5vw, 2rem);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.18), 0 6px 12px -6px rgba(18, 20, 22, 0.85);
}

.page-news .pin-card__pin::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: rgba(18, 20, 22, 0.35);
}

.page-news .pin-card__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--warn);
}

.page-news .pin-card h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-news .pin-card__list {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-news .pin-card__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.66;
}

.page-news .pin-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background: var(--tag);
}

.page-news .pin-card__list strong {
  font-weight: 700;
}

.page-news .pin-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-news .pin-card__media {
  margin: 0;
  border: 1px solid rgba(18, 20, 22, 0.18);
}

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

/* ---------- 列表区 ---------- */
.page-news .board-head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .board-head h2 {
  margin: 0.5rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-news .board-head .lede {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .news-board {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  opacity: 0;
  clip-path: inset(50%);
}

.page-news .filter-panel {
  border-top: 2px solid var(--ink);
  padding-top: 0.9rem;
  min-width: 0;
}

.page-news .filter-panel__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tag);
}

.page-news .filter-tabs {
  display: flex;
  gap: 0.45rem;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .filter-tab {
  flex: 0 0 auto;
  padding: 0.5rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--grid-strong);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-news .filter-tab:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.page-news .filter-panel__figure {
  margin: 0;
  border: 1px solid var(--grid);
}

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

.page-news .filter-input:nth-of-type(1):checked ~ .filter-panel .filter-tab:nth-of-type(1),
.page-news .filter-input:nth-of-type(2):checked ~ .filter-panel .filter-tab:nth-of-type(2),
.page-news .filter-input:nth-of-type(3):checked ~ .filter-panel .filter-tab:nth-of-type(3),
.page-news .filter-input:nth-of-type(4):checked ~ .filter-panel .filter-tab:nth-of-type(4),
.page-news .filter-input:nth-of-type(5):checked ~ .filter-panel .filter-tab:nth-of-type(5),
.page-news .filter-input:nth-of-type(6):checked ~ .filter-panel .filter-tab:nth-of-type(6) {
  background: var(--signal);
  border-color: var(--signal);
  color: #ffffff;
}

.page-news .filter-input:nth-of-type(1):focus-visible ~ .filter-panel .filter-tab:nth-of-type(1),
.page-news .filter-input:nth-of-type(2):focus-visible ~ .filter-panel .filter-tab:nth-of-type(2),
.page-news .filter-input:nth-of-type(3):focus-visible ~ .filter-panel .filter-tab:nth-of-type(3),
.page-news .filter-input:nth-of-type(4):focus-visible ~ .filter-panel .filter-tab:nth-of-type(4),
.page-news .filter-input:nth-of-type(5):focus-visible ~ .filter-panel .filter-tab:nth-of-type(5),
.page-news .filter-input:nth-of-type(6):focus-visible ~ .filter-panel .filter-tab:nth-of-type(6) {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.page-news #f-version:checked ~ .stream .news-item:not([data-cat="version"]),
.page-news #f-rule:checked ~ .stream .news-item:not([data-cat="rule"]),
.page-news #f-scene:checked ~ .stream .news-item:not([data-cat="scene"]),
.page-news #f-partner:checked ~ .stream .news-item:not([data-cat="partner"]),
.page-news #f-guide:checked ~ .stream .news-item:not([data-cat="guide"]) {
  display: none;
}

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

.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink);
}

.page-news .news-item {
  position: relative;
  padding: 1.1rem 0.25rem 1.1rem 0.9rem;
  border-bottom: 1px solid var(--news-rule);
  transition: background-color 0.2s ease;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95rem;
  bottom: 0.95rem;
  width: 2px;
  background: var(--grid-strong);
  transition: background-color 0.2s ease, top 0.2s ease, bottom 0.2s ease;
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: var(--news-wash);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  top: 0;
  bottom: 0;
  background: var(--signal);
}

.page-news .news-item__time {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--tag);
}

.page-news .news-item__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.46;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-news .news-item__excerpt {
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
  line-height: 1.66;
  color: var(--ink-soft);
  max-height: 2.9em;
  overflow: hidden;
  transition: max-height 0.28s ease;
}

.page-news .news-item:focus-within .news-item__excerpt {
  max-height: 9em;
}

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

.page-news .news-item__figure {
  margin: 0;
  border: 1px solid var(--grid);
}

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

.page-news .news-item--feature .news-item__main {
  display: grid;
  gap: 1rem;
}

.page-news .stream__foot {
  margin: 1.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.75;
  color: var(--tag);
}

.page-news .stream__foot a {
  color: var(--pine);
  text-decoration: underline;
  text-decoration-color: var(--grid-strong);
  text-underline-offset: 3px;
}

.page-news .stream__foot a:hover,
.page-news .stream__foot a:focus-visible {
  color: var(--signal);
}

/* ---------- 固定入口 ---------- */
.page-news .news-entry {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background: var(--pine);
  color: var(--mist);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(143, 211, 255, 0.12) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(143, 211, 255, 0.08) 0 1px, transparent 1px 72px);
}

.page-news .news-entry__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.page-news .news-entry .eyebrow {
  color: var(--ice);
}

.page-news .news-entry h2 {
  margin: 0.5rem 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.8vw, 2.15rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-news .news-entry__copy > p {
  margin: 0 0 1rem;
  max-width: 38rem;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(244, 246, 247, 0.82);
}

.page-news .entry-steps {
  counter-reset: step;
  display: grid;
  gap: 0.7rem;
  margin: 1.25rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-news .entry-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2.2rem;
  font-size: 0.9rem;
  line-height: 1.68;
  color: rgba(244, 246, 247, 0.85);
}

.page-news .entry-steps li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  padding: 0.05rem 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--signal);
  border: 1px solid rgba(255, 107, 53, 0.5);
}

.page-news .entry-panel {
  padding: 1.1rem 1.15rem;
  background: rgba(18, 20, 22, 0.42);
  border: 1px solid rgba(143, 211, 255, 0.35);
}

.page-news .entry-panel__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed rgba(143, 211, 255, 0.2);
}

.page-news .entry-panel__row:last-child {
  border-bottom: 0;
}

.page-news .entry-panel__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: rgba(244, 246, 247, 0.6);
}

.page-news .entry-panel__val {
  font-size: 0.85rem;
  color: var(--mist);
}

.page-news .entry-panel__val--ok {
  color: var(--ice);
}

/* ---------- 订阅与回顾 ---------- */
.page-news .news-follow {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 5rem);
  background: var(--paper);
}

.page-news .follow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-news .follow-card {
  border-top: 2px solid var(--ink);
  padding-top: 1.1rem;
}

.page-news .follow-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .follow-card p {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

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

.page-news .follow-card__mail {
  display: inline-block;
  padding: 0.35rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--pine);
  background: var(--news-wash);
  border-left: 2px solid var(--signal);
  word-break: break-all;
}

.page-news .follow-card a {
  color: var(--pine);
  text-decoration: underline;
  text-decoration-color: var(--grid-strong);
  text-underline-offset: 3px;
}

.page-news .follow-card a:hover,
.page-news .follow-card a:focus-visible {
  color: var(--signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-hero {
    padding: 2rem 0 5.5rem;
  }

  .page-news .news-entry {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
  }
}

@media (min-width: 760px) {
  .page-news .news-pin {
    margin-top: -4rem;
  }

  .page-news .news-item {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    column-gap: 1.5rem;
    padding: 1.4rem 1rem 1.4rem 1.25rem;
  }

  .page-news .news-item__time {
    grid-column: 1;
    margin: 0;
    padding-top: 0.2rem;
  }

  .page-news .news-item__main {
    grid-column: 2;
    min-width: 0;
  }

  .page-news .news-item__title {
    font-size: 1.1rem;
  }

  .page-news .news-item--feature .news-item__main {
    grid-template-columns: minmax(0, 1fr) minmax(0, 270px);
    align-items: start;
    gap: 1.5rem;
  }

  .page-news .news-item--feature .news-item__title {
    font-size: 1.18rem;
  }
}

@media (hover: hover) {
  .page-news .news-item:hover .news-item__excerpt {
    max-height: 9em;
  }
}

@media (min-width: 880px) {
  .page-news .pin-card {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .page-news .news-entry__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .follow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.5rem;
  }
}

@media (min-width: 920px) {
  .page-news .news-board {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .filter-panel {
    position: sticky;
    top: 1.5rem;
  }

  .page-news .filter-tabs {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    margin-bottom: 1.25rem;
  }

  .page-news .filter-tab {
    white-space: normal;
  }
}