.page-news {
  --news-rail: 268px;
  --news-gap: clamp(22px, 3.4vw, 44px);
  background: var(--ink);
  color: var(--text);
}

.page-news [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grid);
  padding: clamp(84px, 12vw, 140px) 0 clamp(28px, 5vw, 52px);
  background: radial-gradient(120% 90% at 78% 6%, rgba(200, 255, 61, .12), transparent 58%), var(--stand);
}

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

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .36;
}

.page-news .news-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 15, 13, .62) 0%, rgba(10, 15, 13, .9) 64%, var(--ink) 100%);
}

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

.page-news .news-hero h1 {
  margin: 14px 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(31px, 6.2vw, 64px);
  line-height: 1.06;
  letter-spacing: .005em;
  max-width: 20ch;
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 24px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--grid);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .news-hero__meta li::before {
  content: "▍";
  margin-right: 8px;
  color: var(--lime);
}

/* ---------- 主体框架 ---------- */
.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  padding-top: clamp(26px, 4.5vw, 52px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 左侧索引 ---------- */
.page-news .news-rail {
  min-width: 0;
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}

.page-news .news-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-news .news-rail__list li {
  border-bottom: 1px solid var(--grid);
}

.page-news .news-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 6px 11px 10px;
  border-left: 2px solid transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-news .news-rail__list a:hover,
.page-news .news-rail__list a:focus-visible {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, .05);
}

.page-news .news-rail__list .mono {
  font-size: 11px;
  color: var(--lime-dim);
}

.page-news .news-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid var(--lime-dim);
  background: linear-gradient(90deg, rgba(200, 255, 61, .16), rgba(200, 255, 61, .02));
  color: var(--lime);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  transition: background .18s ease, border-color .18s ease;
}

.page-news .news-switch:hover {
  border-color: var(--lime);
  background: rgba(200, 255, 61, .2);
}

.page-news .news-switch__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, .16);
}

/* ---------- 条目流 ---------- */
.page-news .news-feed {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vw, 26px);
  min-width: 0;
}

.page-news .news-lead {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 38px);
  padding-left: calc(clamp(20px, 3.4vw, 38px) + 14px);
  border: 1px solid var(--grid);
  background: linear-gradient(155deg, #10241b 0%, #0c1813 58%, #0a0f0d 100%);
}

.page-news .news-lead::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(200deg, rgba(200, 255, 61, .18), transparent 62%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-lead::after {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(20px, 3.4vw, 38px);
  width: 3px;
  height: 74px;
  background: linear-gradient(180deg, var(--lime), var(--lime-dim));
}

.page-news .news-lead > * {
  position: relative;
  z-index: 1;
}

.page-news .news-lead__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .news-lead h2 {
  margin: 16px 0 12px;
  max-width: 24ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 38px);
  line-height: 1.18;
}

.page-news .news-lead p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-lead__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 4px;
}

.page-news .news-time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--amber);
}

.page-news .news-expand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 6px 12px;
  border: 1px solid var(--grid);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .07em;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-news .news-expand::after {
  content: "+";
  font-size: 13px;
  line-height: 1;
}

.page-news .news-expand:hover,
.page-news .news-expand[aria-expanded="true"] {
  color: var(--lime);
  border-color: var(--lime-dim);
}

.page-news .news-expand[aria-expanded="true"]::after {
  content: "−";
}

.page-news .news-more {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 2px solid var(--lime-dim);
  background: rgba(42, 59, 51, .35);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-more[hidden] {
  display: none;
}

.page-news .news-more ul {
  margin: 0;
  padding-left: 18px;
}

.page-news .news-more li + li {
  margin-top: 6px;
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-news .news-item {
  padding: 16px 8px 16px 14px;
  border-bottom: 1px solid var(--grid);
  border-left: 2px solid transparent;
  transition: background .18s ease, border-color .18s ease;
}

.page-news .news-item:hover {
  background: rgba(200, 255, 61, .035);
  border-left-color: var(--lime-dim);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 8px;
}

.page-news .news-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--text);
}

.page-news .news-item > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 内容区块 ---------- */
.page-news .news-block {
  min-width: 0;
  padding: clamp(20px, 3.2vw, 34px);
  border: 1px solid var(--grid);
  background: linear-gradient(180deg, rgba(14, 31, 24, .9), rgba(10, 15, 13, .55));
}

.page-news .news-block__head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.page-news .news-block h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.16;
}

.page-news .news-block__head p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 对照表 */
.page-news .news-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--grid);
  -webkit-overflow-scrolling: touch;
}

.page-news .news-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-news .news-table th,
.page-news .news-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--grid);
  white-space: nowrap;
}

.page-news .news-table th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--muted);
  background: rgba(42, 59, 51, .45);
}

.page-news .news-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .news-table tbody tr:hover {
  background: rgba(200, 255, 61, .06);
}

.page-news .news-table .num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
}

/* 选题日历 */
.page-news .news-cal {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-news .news-cal__cell {
  background: var(--stand);
  padding: 14px 16px;
}

.page-news .news-cal__day {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-news .news-cal__cell ul {
  margin: 0;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .news-cal__cell li + li {
  margin-top: 4px;
}

/* 版本时间线 */
.page-news .news-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 6px;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--grid);
}

.page-news .news-timeline li {
  position: relative;
  padding: 0 0 20px 26px;
}

.page-news .news-timeline li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime-dim);
}

.page-news .news-timeline li.is-current::before {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, .18);
}

.page-news .news-timeline__when {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .news-timeline h3 {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.35;
  color: var(--text);
}

.page-news .news-timeline li > p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 固定访问 */
.page-news .news-ways {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-news .news-way {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 16px 18px;
  background: var(--stand);
}

.page-news .news-way h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.page-news .news-way p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-way a {
  justify-self: start;
  margin-top: 2px;
  color: var(--lime);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease;
}

.page-news .news-way a:hover {
  border-bottom-color: var(--lime);
}

.page-news .news-notice__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--grid);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

/* 图片 */
.page-news .news-figure {
  margin: 18px 0 0;
  max-width: 100%;
}

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

.page-news .media-frame__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-cal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .news-ways {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-shell {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 92px;
  }

  .page-news .news-cal {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail__list a,
  .page-news .news-switch,
  .page-news .news-item,
  .page-news .news-expand,
  .page-news .news-way a {
    transition: none;
  }
}