/* ===== 维护日志 · page-news ===== */
.page-news {
  --news-line: 1px solid var(--abyss-700);
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 3px;
}

/* --- 首屏 --- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px) 0 clamp(36px, 6vw, 80px);
  border-bottom: var(--news-line);
  background:
    radial-gradient(130% 100% at 88% -10%, rgba(79, 209, 176, 0.12), transparent 60%),
    linear-gradient(180deg, var(--abyss-900) 0%, var(--abyss-950) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  left: 38%;
  right: -12%;
  top: 6%;
  height: 84%;
  background: linear-gradient(140deg, rgba(255, 106, 61, 0.14), rgba(30, 140, 116, 0.10));
  clip-path: polygon(14% 0, 100% 12%, 86% 100%, 0 82%);
  pointer-events: none;
}

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

.page-news .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-news .crumbs-item {
  color: var(--ink-300);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.page-news .crumbs-item + .crumbs-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--abyss-700);
}

.page-news .crumbs-item a {
  color: var(--ink-300);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .crumbs-item a:hover {
  color: var(--coral-400);
}

.page-news .news-hero__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-hero h1 {
  margin: 12px 0 16px;
  font-size: clamp(1.95rem, 5.2vw, 3.5rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink-050);
}

.page-news .news-hero .lead {
  max-width: 34em;
  margin: 0;
  font-size: clamp(0.95rem, 1.3vw, 1.05rem);
  line-height: 1.8;
  color: var(--ink-300);
}

.page-news .news-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: var(--news-line);
  list-style: none;
}

.page-news .news-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
}

.page-news .news-facts__k {
  color: var(--ink-300);
  letter-spacing: 0.14em;
}

.page-news .news-facts__v {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-050);
}

.page-news .news-facts__u {
  color: var(--ink-300);
}

.page-news .news-hero__figure {
  position: relative;
  margin: 0;
  border: var(--news-line);
  background: var(--abyss-800);
}

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

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }
}

/* --- 双列主体 --- */
.page-news .news-main {
  padding-top: clamp(44px, 7vw, 88px);
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-news .news-main__grid {
  display: grid;
  gap: 36px;
}

.page-news .news-index__nav {
  display: grid;
  gap: 2px;
  margin: 14px 0 28px;
  border-left: var(--news-line);
}

.page-news .news-index__nav a {
  display: block;
  margin-left: -1px;
  padding: 8px 0 8px 14px;
  border-left: 2px solid transparent;
  color: var(--ink-300);
  font-size: 0.88rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-index__nav a:hover,
.page-news .news-index__nav a:focus-visible {
  color: var(--ink-050);
  border-left-color: var(--coral-500);
}

.page-news .news-index__figure {
  margin: 0 0 12px;
  border: var(--news-line);
  background: var(--abyss-800);
}

.page-news .news-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  opacity: 0.85;
}

.page-news .news-index__note {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--ink-300);
}

@media (min-width: 1024px) {
  .page-news .news-main__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
  .page-news .news-index__sticky {
    position: sticky;
    top: 92px;
  }
}

.page-news .chapter-head {
  margin-bottom: 26px;
}

/* --- 标签筛选 --- */
.page-news .log-filters {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  border-top: var(--news-line);
  border-bottom: var(--news-line);
}

.page-news .log-anchor {
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
  overflow: hidden;
}

.page-news .log-filter {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  padding: 7px 14px;
  border: 1px solid var(--abyss-700);
  background: var(--abyss-800);
  color: var(--ink-300);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .log-filter:hover {
  color: var(--ink-050);
  border-color: var(--coral-400);
}

.page-news .log-filter__count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  opacity: 0.78;
}

.page-news:has(#log-filter-all:target) .log-filter[href="#log-filter-all"],
.page-news:has(#log-filter-version:target) .log-filter[href="#log-filter-version"],
.page-news:has(#log-filter-slot:target) .log-filter[href="#log-filter-slot"],
.page-news:has(#log-filter-coverage:target) .log-filter[href="#log-filter-coverage"],
.page-news:has(#log-filter-note:target) .log-filter[href="#log-filter-note"] {
  color: var(--coral-400);
  border-color: var(--coral-500);
  background: rgba(255, 106, 61, 0.10);
}

.page-news:has(#log-filter-version:target) .log-row:not([data-tag="version"]),
.page-news:has(#log-filter-slot:target) .log-row:not([data-tag="slot"]),
.page-news:has(#log-filter-coverage:target) .log-row:not([data-tag="coverage"]),
.page-news:has(#log-filter-note:target) .log-row:not([data-tag="note"]) {
  display: none;
}

.page-news .log-tally {
  margin: 16px 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink-300);
}

.page-news .log-tally .num {
  color: var(--ink-050);
}

/* --- 日志列表 --- */
.page-news .log-group {
  margin-top: 40px;
}

.page-news .log-group__head {
  margin: 0;
  padding: 0 0 12px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--ink-300);
}

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

.page-news .log-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
  padding: 20px 0;
  border-bottom: var(--news-line);
  transition: background-color var(--dur) var(--ease);
}

.page-news .log-row:hover {
  background: linear-gradient(90deg, rgba(22, 48, 79, 0.45), transparent 72%);
}

.page-news .log-no {
  align-self: start;
  display: inline-block;
  padding: 4px 9px;
  background: var(--paper-100);
  color: var(--abyss-950);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .log-time {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--ink-300);
}

.page-news .log-title {
  margin: 0 0 6px;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  font-weight: 800;
  line-height: 1.45;
  color: var(--ink-050);
}

.page-news .log-summary {
  margin: 0;
  max-width: 44em;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-300);
}

.page-news .log-details {
  margin-top: 12px;
}

.page-news .log-details summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--celadon-400);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  cursor: pointer;
  list-style: none;
}

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

.page-news .log-details summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border: 1px solid var(--celadon-600);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1;
}

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

.page-news .log-details p {
  margin: 12px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--abyss-700);
  max-width: 42em;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--ink-300);
}

/* --- 版本演进 --- */
.page-news .news-arc {
  padding: clamp(40px, 6vw, 80px) 0;
  border-top: var(--news-line);
  background: linear-gradient(180deg, var(--abyss-900), var(--abyss-950));
}

.page-news .news-arc__figure {
  margin: 0 0 36px;
  border: var(--news-line);
  background: var(--abyss-800);
}

.page-news .news-arc__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .arc-list {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .arc-item {
  position: relative;
  padding-top: 20px;
  border-top: var(--news-line);
}

.page-news .arc-item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--celadon-400);
}

.page-news .arc-item--current::before {
  background: var(--coral-500);
}

.page-news .arc-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-050);
}

.page-news .arc-item--current .arc-year {
  color: var(--coral-500);
}

.page-news .arc-title {
  margin: 6px 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink-050);
}

.page-news .arc-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--ink-300);
}

.page-news .arc-foot {
  margin: 32px 0 0;
  padding-top: 18px;
  border-top: var(--news-line);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  color: var(--ink-300);
}

@media (min-width: 760px) {
  .page-news .arc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 36px);
  }
}

/* --- 复核口径 --- */
.page-news .news-review {
  padding: clamp(40px, 6vw, 80px) 0 clamp(48px, 7vw, 96px);
  border-top: var(--news-line);
}

.page-news .news-divider {
  margin: 0 0 clamp(36px, 5vw, 64px);
  opacity: 0.55;
}

.page-news .news-divider img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 3;
  object-fit: cover;
}

.page-news .review-grid {
  display: grid;
  gap: 18px;
}

.page-news .review-card {
  color: var(--abyss-800);
}

.page-news .review-card .card-title {
  color: var(--abyss-950);
}

.page-news .review-card .card-body {
  color: var(--abyss-800);
}

.page-news .review-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--abyss-900);
}

@media (min-width: 820px) {
  .page-news .review-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-news .review-status {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .review-status .status {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-300);
}

.page-news .review-links {
  margin: 30px 0 0;
  max-width: 46em;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-300);
}

.page-news .review-links a {
  color: var(--celadon-400);
  text-decoration: underline;
  text-decoration-color: rgba(79, 209, 176, 0.35);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.page-news .review-links a:hover {
  color: var(--ink-050);
  text-decoration-color: var(--coral-500);
}

/* --- 错峰显现 --- */
.page-news .log-list > .log-row:nth-child(2) {
  transition-delay: 60ms;
}

.page-news .log-list > .log-row:nth-child(3) {
  transition-delay: 120ms;
}

.page-news .log-list > .log-row:nth-child(4) {
  transition-delay: 180ms;
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}