/* ===== 校订动态 /articles/ ===== */

.page-news .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-block: clamp(24px, 4.4vw, 56px) clamp(16px, 2.4vw, 30px);
  background:
    radial-gradient(120% 90% at 94% -12%, rgba(63, 224, 208, 0.08), transparent 60%),
    radial-gradient(80% 70% at 0% 0%, rgba(201, 162, 39, 0.06), transparent 55%);
}

.page-news .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .breadcrumbs [aria-current="page"] {
  color: var(--text);
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-news .news-hero h1::after {
  content: "";
  display: block;
  width: 88px;
  height: 2px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-news .news-lede {
  max-width: 64ch;
  margin: 22px 0 0;
  font-size: clamp(1rem, 1.1vw, 1.09rem);
  line-height: 1.9;
  color: var(--text);
}

.page-news .news-note {
  max-width: 64ch;
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-news .news-facts > li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-news .news-facts__k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-facts__v {
  font-size: clamp(1.3rem, 2.2vw, 1.6rem);
  font-weight: 600;
  line-height: 1;
  color: var(--gold-hi);
}

.page-news .news-facts__v small {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: 0.5em;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
}

@media (min-width: 700px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 版本索引带 ---------- */

.page-news .news-band {
  position: relative;
  overflow: hidden;
  margin-block: clamp(28px, 4.4vw, 52px);
  padding-block: clamp(26px, 3.6vw, 42px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(100deg, var(--ink-800) 0%, rgba(14, 42, 37, 0.5) 50%, var(--ink-800) 100%),
    var(--ink-900);
}

.page-news .news-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.4);
  pointer-events: none;
}

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

.page-news .news-band h2 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-news .news-index {
  display: flex;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .news-index > li {
  flex: 0 0 auto;
}

.page-news .news-index a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 112px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  background: rgba(7, 26, 23, 0.66);
  text-decoration: none;
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-news .news-index a:hover,
.page-news .news-index a:focus-visible {
  border-color: var(--cyan);
  background: rgba(63, 224, 208, 0.07);
}

.page-news .news-index__ver {
  font-size: clamp(1.375rem, 2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--gold);
}

.page-news .news-index__cap {
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-news .news-index__hint {
  margin: 16px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 分类索引 ---------- */

.page-news .news-filters {
  padding-block: clamp(24px, 3.8vw, 44px);
}

.page-news .news-filters__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-news .news-filters h2 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-news .news-filters__text {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-title);
  font-size: 0.83rem;
  letter-spacing: 0.03em;
  color: var(--muted);
  text-decoration: none;
  transition: color 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(63, 224, 208, 0.06);
}

.page-news .news-chip__n {
  font-size: 0.72rem;
  color: var(--muted);
}

.page-news .news-filters__count {
  margin: 18px 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-filters__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-news .news-filters__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.8;
}

.page-news .news-filters__figure figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-news .news-filters__grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
    gap: 52px;
  }
}

/* ---------- 条目列表 ---------- */

.page-news .news-log {
  padding-block: clamp(24px, 3.6vw, 44px) clamp(30px, 4.4vw, 56px);
}

.page-news .news-log .section-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 700;
  color: var(--text);
}

.page-news .news-list {
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-entry {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 260ms var(--ease);
  pointer-events: none;
}

.page-news .news-entry:hover::before,
.page-news .news-entry:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-entry:has(details[open])::before {
  transform: scaleY(1);
}

.page-news .news-fold__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px;
  grid-template-areas:
    "ver mark"
    "main main";
  column-gap: 16px;
  row-gap: 12px;
  align-items: center;
  padding: 20px 16px 20px 18px;
  cursor: pointer;
  list-style: none;
  transition: background-color 220ms var(--ease);
}

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

.page-news .news-fold__summary::marker {
  content: "";
}

.page-news .news-fold__summary:hover {
  background: rgba(20, 54, 48, 0.5);
}

.page-news .news-fold__summary::after {
  grid-area: mark;
  justify-self: end;
  content: "";
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-news .news-fold[open] .news-fold__summary::after {
  transform: rotate(225deg);
  border-color: var(--cyan);
}

.page-news .news-entry__ver {
  grid-area: ver;
  font-size: clamp(1.375rem, 2.2vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--gold);
}

.page-news .news-entry__main {
  grid-area: main;
  min-width: 0;
}

.page-news .news-entry__title {
  display: block;
  font-family: var(--font-title);
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

.page-news .news-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--muted);
}

.page-news .news-entry__meta .tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-entry__type {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-news .news-entry__type::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-news .news-fold__body {
  padding: 2px 16px 26px 18px;
}

.page-news .news-diff {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .news-diff__col {
  padding: 16px 18px 18px;
  background: var(--ink-900);
  border: 1px solid var(--line);
}

.page-news .news-diff__col--before {
  background: var(--ink-900);
}

.page-news .news-diff__col--after {
  background: var(--ink-800);
  border-top: 2px solid var(--cyan);
}

.page-news .news-diff__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .news-diff__col--after .news-diff__label {
  color: var(--cyan);
}

.page-news .news-diff__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text);
}

.page-news .news-diff__col--before .news-diff__text {
  color: var(--muted);
}

.page-news .news-entry__impact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin: 18px 0 0;
  font-size: 0.81rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-entry__impact a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .news-entry__impact a:hover,
.page-news .news-entry__impact a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-entry__figure {
  margin: 22px 0 0;
}

.page-news .news-entry__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  opacity: 0.85;
}

.page-news .news-entry__figure figcaption {
  margin-top: 10px;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 700px) {
  .page-news .news-diff {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    border: 1px solid var(--line);
    background: var(--line);
  }

  .page-news .news-diff__col {
    border: 0;
  }

  .page-news .news-diff__col--after {
    border-top: 2px solid var(--cyan);
  }

  .page-news .news-entry__figure {
    max-width: 540px;
  }
}

@media (min-width: 820px) {
  .page-news .news-fold__summary {
    grid-template-columns: 108px minmax(0, 1fr) 22px;
    grid-template-areas: "ver main mark";
    column-gap: 28px;
    padding: 26px 24px 26px 26px;
  }

  .page-news .news-fold__body {
    padding: 4px 24px 30px 162px;
  }
}

/* ---------- 历史版本说明 ---------- */

.page-news .news-archive {
  padding-block: clamp(32px, 4.6vw, 60px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-800) 0%, rgba(14, 42, 37, 0) 100%);
}

.page-news .news-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-news .news-archive__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.page-news .news-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  opacity: 0.82;
}

.page-news .news-archive__copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 2.2vw, 1.95rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-news .news-archive__copy .prose p {
  margin: 16px 0 0;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--muted);
  max-width: 62ch;
}

.page-news .news-archive__copy .prose a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .news-archive__copy .prose a:hover,
.page-news .news-archive__copy .prose a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

@media (min-width: 900px) {
  .page-news .news-archive__grid {
    grid-template-columns: minmax(0, 0.44fr) minmax(0, 0.56fr);
    gap: 56px;
    align-items: center;
  }
}

/* ---------- 版本说明索取 ---------- */

.page-news .news-contact {
  padding-block: clamp(30px, 4.4vw, 54px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(63, 224, 208, 0.045));
}

.page-news .news-contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
}

.page-news .news-contact__copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-news .news-contact__text {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--muted);
}

@media (min-width: 780px) {
  .page-news .news-contact__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 44px;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry::before,
  .page-news .news-fold__summary::after,
  .page-news .news-index a,
  .page-news .news-chip,
  .page-news .news-fold__summary {
    transition: none;
  }

  .page-news .news-entry::before {
    transform: none;
    opacity: 0;
  }

  .page-news .news-entry:hover::before,
  .page-news .news-entry:focus-within::before,
  .page-news .news-entry:has(details[open])::before {
    opacity: 1;
  }
}