.page-news {
  --news-paper-ink: #2b3a35;
  --news-paper-soft: #55665f;
  --news-hair: rgba(44, 62, 56, .7);
  background: var(--ink);
  color: var(--snow);
}

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

.page-news .section-head {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4.4vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--snow);
}

/* ============ 首屏框景 ============ */
.page-news .news-hero {
  padding-block: clamp(20px, 3.4vw, 40px) clamp(30px, 4.6vw, 56px);
}

.page-news .news-hero__frame {
  position: relative;
  border: 2px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 36, 31, .92) 0%, rgba(11, 20, 18, .98) 64%);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 42px);
}

.page-news .news-hero__frame::before,
.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--signal);
}

.page-news .news-hero__frame::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}

.page-news .news-hero__frame::after {
  right: -2px;
  bottom: -2px;
  border-top: 0;
  border-left: 0;
}

.page-news .hero-ticks {
  height: 8px;
  margin-bottom: clamp(16px, 2.4vw, 28px);
  background-image: repeating-linear-gradient(90deg, var(--line) 0 2px, transparent 2px 24px);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
}

.page-news .label {
  font-size: 13px;
  letter-spacing: .08em;
}

.page-news .label--signal {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 10px;
  border: 1px solid var(--signal);
  color: var(--signal);
}

.page-news .label--amber {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  border: 1px solid var(--amber);
  color: var(--amber);
}

.page-news h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 8vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-news .news-hero__lead {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--snow);
}

.page-news .hero-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-news .hero-meta li {
  padding: 5px 11px;
  border: 1px solid var(--line);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .hero-meta .mono {
  color: var(--signal);
}

.page-news .news-hero__media {
  position: relative;
  margin: 0;
  border: 2px solid var(--line);
  background: var(--deep-2);
  overflow: hidden;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 1400 / 788;
  object-fit: cover;
}

.page-news .news-hero__media figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 4px 11px;
  background: var(--signal);
  color: var(--ink);
  font-size: .7rem;
  letter-spacing: .09em;
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

/* ============ 条目列表 ============ */
.page-news .news-feed {
  padding-block: clamp(30px, 5vw, 68px);
}

.page-news .feed-cadence {
  margin: 0 0 22px;
  font-size: .92rem;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-news .feed-bar {
  display: flex;
  flex-wrap: wrap;
  border: 2px solid var(--line);
}

.page-news .feed-tab {
  flex: 1 1 auto;
  min-width: 88px;
  appearance: none;
  padding: 13px 12px;
  border: 0;
  border-right: 2px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .feed-tab:last-child {
  border-right: 0;
}

.page-news .feed-tab[aria-selected="true"],
.page-news .feed-tab.is-active {
  background: var(--signal);
  color: var(--ink);
}

.page-news .feed-tab:focus-visible {
  outline: 2px solid var(--data);
  outline-offset: -4px;
}

@media (hover: hover) {
  .page-news .feed-tab:hover {
    color: var(--snow);
    background: rgba(70, 214, 230, .1);
  }
}

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

.page-news .feed-item {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .feed-item__side {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .feed-tag {
  padding: 3px 8px;
  border: 1px solid var(--data);
  color: var(--data);
  font-size: .72rem;
  letter-spacing: .1em;
  white-space: nowrap;
}

.page-news .feed-tag--version {
  border-color: var(--amber);
  color: var(--amber);
}

.page-news .feed-no {
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .feed-title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.4vw, 1.32rem);
  line-height: 1.36;
  color: var(--snow);
}

.page-news .feed-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-news .feed-excerpt {
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .feed-when {
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
}

@media (hover: hover) {
  .page-news .feed-item:hover .feed-title a {
    border-bottom-color: var(--signal);
  }

  .page-news .feed-item:hover .feed-excerpt {
    -webkit-line-clamp: 4;
  }
}

@media (min-width: 820px) {
  .page-news .feed-item {
    grid-template-columns: 156px minmax(0, 1fr) 156px;
    align-items: start;
    gap: 0 24px;
  }

  .page-news .feed-item__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .feed-when {
    text-align: right;
  }
}

/* ============ 专题带 ============ */
.page-news .topic-band {
  position: relative;
  overflow: hidden;
  margin-block: clamp(34px, 5vw, 72px);
  padding-block: clamp(32px, 5vw, 68px);
  background: var(--deep);
  border-top: 2px solid var(--signal);
  border-bottom: 2px solid var(--signal);
}

.page-news .topic-band__slant {
  position: absolute;
  top: -12%;
  left: -4%;
  width: 56%;
  height: 124%;
  background: var(--signal);
  opacity: .07;
  clip-path: polygon(0 0, 46% 0, 18% 100%, 0 100%);
  pointer-events: none;
}

.page-news .topic-band__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .topic-band__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.12;
  color: var(--snow);
}

.page-news .topic-band__lead {
  margin: 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--snow);
}

.page-news .topic-steps {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .topic-steps li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: .95rem;
  color: var(--snow);
}

.page-news .topic-steps .mono {
  color: var(--signal);
  font-size: .82rem;
}

.page-news .topic-band__media {
  margin: 0;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-news .topic-band__media img {
  display: block;
  width: 100%;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-news .topic-band__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
}

/* ============ 专栏区 ============ */
.page-news .columns-section {
  padding-block: clamp(38px, 5.6vw, 80px);
  background: var(--deep-2);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-news .columns-lead {
  margin: 0;
  max-width: 58ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .columns-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(24px, 3vw, 38px);
}

.page-news .columns-figure {
  margin: 0;
  align-self: start;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--paper);
  overflow: hidden;
}

.page-news .columns-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1000 / 1250;
  object-fit: cover;
}

.page-news .columns-cards {
  display: grid;
  gap: clamp(22px, 3vw, 30px);
  align-content: start;
}

.page-news .col-card {
  position: relative;
  padding: clamp(24px, 2.8vw, 32px) clamp(18px, 2.2vw, 26px) clamp(18px, 2.2vw, 24px);
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-news .col-card__no {
  position: absolute;
  top: -13px;
  left: 18px;
  padding: 3px 10px;
  background: var(--ink);
  color: var(--signal);
  font-size: .76rem;
  letter-spacing: .09em;
}

.page-news .col-card__cat {
  margin: 0 0 8px;
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--news-paper-soft);
}

.page-news .col-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  line-height: 1.35;
  color: var(--ink);
}

.page-news .col-card p {
  margin: 0 0 12px;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--news-paper-ink);
}

.page-news .col-card p.col-card__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid rgba(11, 20, 18, .18);
  font-size: .73rem;
  letter-spacing: .07em;
  color: var(--news-paper-soft);
}

@media (min-width: 700px) {
  .page-news .columns-cards {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  }
}

@media (min-width: 980px) {
  .page-news .columns-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }
}

/* ============ 版本变更 ============ */
.page-news .changelog {
  padding-block: clamp(38px, 5.6vw, 82px);
}

.page-news .changelog__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-news .changelog__lead {
  margin: 0;
  max-width: 46ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .changelog__figure {
  margin: 26px 0 0;
  border: 2px solid var(--line);
  overflow: hidden;
}

.page-news .changelog__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1400 / 788;
  object-fit: cover;
}

.page-news .ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .ver-item {
  padding: 14px 16px 14px 18px;
  border-left: 3px solid var(--line);
  background: linear-gradient(90deg, rgba(44, 62, 56, .38), transparent 72%);
}

.page-news .ver-item--current {
  border-left-color: var(--signal);
  background: linear-gradient(90deg, rgba(201, 255, 63, .13), transparent 72%);
}

.page-news .ver-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 7px;
}

.page-news .ver-no {
  font-size: .95rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .ver-item--current .ver-no {
  color: var(--signal);
}

.page-news .ver-badge {
  padding: 2px 8px;
  background: var(--signal);
  color: var(--ink);
  font-size: .68rem;
  letter-spacing: .12em;
}

.page-news .ver-text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--snow);
}

@media (min-width: 960px) {
  .page-news .changelog__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ============ 引导区 ============ */
.page-news .news-cta {
  padding-block: clamp(34px, 5vw, 68px) clamp(46px, 7vw, 96px);
}

.page-news .news-cta__inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  padding: clamp(24px, 3.4vw, 44px);
  background: var(--deep);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-news .news-cta__copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  line-height: 1.15;
  color: var(--snow);
}

.page-news .news-cta__copy p {
  margin: 0;
  max-width: 52ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

@media (min-width: 860px) {
  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (scripting: none) {
  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}