.page-news {
  --news-hair: rgba(110, 139, 255, 0.22);
  --news-hair-strong: rgba(110, 139, 255, 0.46);
  --news-gap: clamp(60px, 8vw, 116px);
  background: var(--ink-900);
  color: var(--ice);
  font-family: var(--font-sans);
  overflow-x: hidden;
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-news .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 页头 ---------- */
.page-news .news-head {
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(34px, 5vw, 68px);
}

.page-news .news-crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .news-crumbs a {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .news-crumbs a:hover {
  color: var(--ice);
}

.page-news .news-crumbs [aria-current] {
  color: var(--ice);
}

.page-news .news-eyebrow {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(26px, 4vw, 50px) 0 16px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-news .news-eyebrow .mono {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.16em;
}

.page-news h1 {
  margin: 0;
  max-width: 15em;
  font-size: clamp(34px, 8vw, 84px);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-news .news-lead {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(232, 236, 255, 0.78);
}

/* ---------- 本阶段重点 ---------- */
.page-news .news-feature {
  padding-bottom: clamp(44px, 6vw, 76px);
}

.page-news .feature-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(16px, 2.4vw, 28px);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-l);
  background: linear-gradient(145deg, rgba(18, 48, 107, 0.95), rgba(10, 27, 61, 0.98) 62%);
}

.page-news .feature-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-m);
  aspect-ratio: 16 / 9;
  background: var(--ink-800);
}

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

.page-news .feature-label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--slate);
}

.page-news .feature-label .mono {
  font-size: 13px;
  color: var(--amber);
}

.page-news .feature-body h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.012em;
  color: var(--ice);
}

.page-news .feature-desc {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(232, 236, 255, 0.76);
}

.page-news .feature-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0 0 22px;
}

.page-news .feature-facts div {
  padding-top: 10px;
  border-top: 1px solid var(--news-hair);
}

.page-news .feature-facts dt {
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-news .feature-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 236, 255, 0.86);
}

.page-news .feature-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 分类筛选条 ---------- */
.page-news .news-filter {
  position: sticky;
  top: var(--cmd-h);
  z-index: 20;
  background: rgba(10, 27, 61, 0.93);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--news-hair);
  border-bottom: 1px solid var(--news-hair);
}

.page-news .filter-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  scrollbar-width: none;
}

.page-news .filter-row::-webkit-scrollbar {
  display: none;
}

.page-news .filter-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  border: 1px solid var(--news-hair);
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  color: rgba(232, 236, 255, 0.82);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .filter-pill:hover {
  background: rgba(30, 79, 216, 0.3);
  border-color: var(--line);
  color: #fff;
}

.page-news .filter-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-news .filter-pill--all .dot { background: var(--ice); }
.page-news .filter-pill--ver .dot { background: var(--jade); }
.page-news .filter-pill--rule .dot { background: var(--amber); }
.page-news .filter-pill--act .dot { background: var(--rose); }
.page-news .filter-pill--maint .dot { background: var(--line); }

/* ---------- 动态列表 ---------- */
.page-news .news-feed {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 2.9rem minmax(0, 1fr);
  grid-template-areas:
    "num main"
    ".   meta";
  column-gap: 1rem;
  row-gap: 0.6rem;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-feed .feed-item:first-of-type {
  border-top: none;
}

.page-news .feed-num {
  grid-area: num;
  padding-top: 0.2em;
  font-size: 13px;
  color: var(--slate);
  letter-spacing: 0.08em;
  transition: color 0.25s var(--ease);
}

.page-news .feed-item:hover .feed-num {
  color: var(--amber);
}

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

.page-news .feed-title {
  margin: 0 0 0.45em;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.005em;
}

.page-news .feed-title a {
  color: var(--ice);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .feed-title a:hover {
  color: var(--amber);
}

.page-news .feed-desc {
  margin: 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 236, 255, 0.68);
}

.page-news .feed-meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  font-size: 12px;
  color: var(--slate);
}

.page-news .feed-ver {
  font-size: 12px;
  color: var(--line);
}

.page-news .feed-when {
  font-size: 12px;
  color: var(--slate);
}

/* 带缩略图的大条目 */
.page-news .feed-item--feat {
  display: block;
}

.page-news .feed-item--feat .feed-num {
  display: block;
  margin-bottom: 0.7rem;
  padding-top: 0;
}

.page-news .feed-thumb {
  display: block;
  overflow: hidden;
  margin-bottom: 1rem;
  border-radius: var(--r-m);
  aspect-ratio: 16 / 9;
  background: var(--ink-800);
}

.page-news .feed-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease);
}

.page-news .feed-thumb:hover img {
  transform: scale(1.04);
}

.page-news .feed-item--feat .feed-main {
  margin-bottom: 0.75rem;
}

/* ---------- 通用区块 ---------- */
.page-news .news-block {
  padding-top: var(--news-gap);
}

.page-news .block-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-news .block-head h2 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 14px;
  font-size: clamp(23px, 3.3vw, 36px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--ice);
}

.page-news .block-head h2 .idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-news .block-intro {
  margin: 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(232, 236, 255, 0.7);
}

.page-news .block-intro a,
.page-news .maint-note a,
.page-news .sub-lead a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 184, 65, 0.4);
  transition: border-color 0.2s var(--ease);
}

.page-news .block-intro a:hover,
.page-news .maint-note a:hover,
.page-news .sub-lead a:hover {
  border-color: var(--amber);
}

/* ---------- 版本迭代专栏 ---------- */
.page-news .block-media {
  margin: 0 0 clamp(28px, 4vw, 46px);
  overflow: hidden;
  border-radius: var(--r-l);
  aspect-ratio: 5 / 3;
  background: var(--ink-800);
}

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

.page-news .ver-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
}

.page-news .ver-group {
  padding-top: 16px;
  border-top: 2px solid var(--news-hair-strong);
}

.page-news .ver-group h3 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-news .ver-group h3 .mono {
  font-size: 16px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-news .ver-group ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ver-group li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(232, 236, 255, 0.76);
}

.page-news .ver-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--jade);
  border-radius: 1px;
  transform: rotate(45deg);
}

/* ---------- 规则调整与活动上线 ---------- */
.page-news .rule-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-news .rule-col h3 {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-news .rule-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .rule-list li {
  padding: 16px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .rule-name {
  margin: 0 0 7px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ice);
}

.page-news .rule-meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 维护时段 ---------- */
.page-news .maint-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
}

.page-news .maint-cell {
  padding-top: 16px;
  border-top: 1px solid var(--news-hair-strong);
}

.page-news .maint-key {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--line);
  letter-spacing: 0.1em;
}

.page-news .maint-cell h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-news .maint-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 236, 255, 0.7);
}

.page-news .maint-note {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(232, 236, 255, 0.7);
}

/* ---------- 订阅与回看 ---------- */
.page-news .sub-shell {
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-l);
  background: linear-gradient(160deg, rgba(18, 48, 107, 0.9), rgba(4, 16, 42, 0.92));
}

.page-news .sub-shell h2 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 14px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.012em;
  color: var(--ice);
}

.page-news .sub-shell h2 .idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.page-news .sub-lead {
  margin: 0 0 clamp(24px, 3vw, 36px);
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(232, 236, 255, 0.74);
}

.page-news .sub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .sub-item {
  padding-top: 14px;
  border-top: 1px solid var(--news-hair);
}

.page-news .sub-mark {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--jade);
  letter-spacing: 0.1em;
}

.page-news .sub-item h3 {
  margin: 0 0 9px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-news .sub-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(232, 236, 255, 0.7);
}

.page-news .sub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(26px, 3.5vw, 40px) 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .feature-facts {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 720px) {
  .page-news .maint-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .ver-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .feature-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-news .sub-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(22px, 3vw, 40px);
  }
  .page-news .sub-item:nth-child(2) {
    transform: translateY(-20px);
  }
}

@media (min-width: 900px) {
  .page-news .feed-item {
    grid-template-columns: 4.6rem minmax(0, 1fr) 15.5rem;
    grid-template-areas: "num main meta";
    column-gap: 2.2rem;
    align-items: start;
  }
  .page-news .feed-meta {
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 6px;
    padding-top: 0.25em;
  }

  .page-news .feed-item--feat {
    display: grid;
    grid-template-columns: 4.6rem minmax(0, 21rem) minmax(0, 1fr);
    grid-template-areas:
      "num thumb main"
      "num thumb meta";
    column-gap: 2.2rem;
    row-gap: 0.9rem;
    align-items: start;
  }
  .page-news .feed-item--feat .feed-num {
    grid-area: num;
    margin: 0;
  }
  .page-news .feed-item--feat .feed-thumb {
    grid-area: thumb;
    margin: 0;
  }
  .page-news .feed-item--feat .feed-main {
    grid-area: main;
    margin: 0;
  }
  .page-news .feed-item--feat .feed-meta {
    grid-area: meta;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    padding-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-news .ver-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(26px, 3vw, 40px);
  }
  .page-news .rule-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-thumb img,
  .page-news .feed-num,
  .page-news .filter-pill {
    transition: none;
  }
  .page-news .sub-item:nth-child(2) {
    transform: none;
  }
  .page-news .feed-thumb:hover img {
    transform: none;
  }
}