.page-news {
  --news-rail: 264px;
  --news-gap: clamp(20px, 4vw, 40px);
  --news-soft: rgba(17, 28, 51, 0.58);
  --news-hair: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-news .news-intro {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.5vw, 42px) 0 clamp(26px, 4vw, 46px);
  border-bottom: var(--news-hair);
  background:
    radial-gradient(720px 260px at 10% -14%, rgba(226, 58, 46, 0.24), transparent 70%),
    radial-gradient(640px 250px at 90% -6%, rgba(245, 181, 61, 0.16), transparent 72%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 82%);
}

.page-news .news-intro::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(54%, 560px);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--red) 38%, var(--gold));
}

.page-news .news-intro .breadcrumb {
  margin-bottom: 16px;
}

.page-news .news-intro .eyebrow {
  margin-bottom: 10px;
  color: var(--gold);
}

.page-news .news-h1 {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(28px, 6vw, 54px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--gold) 10%, var(--orange) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--gold);
}

.page-news .news-lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--ink-text);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 1px;
  margin-top: clamp(20px, 3.6vw, 32px);
  border: var(--news-hair);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.page-news .news-stat {
  padding: 14px 16px;
  background: rgba(11, 18, 32, 0.9);
}

.page-news .news-stat-value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-news .news-stat-label {
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 非对称主体 ---------- */
.page-news .board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  padding: clamp(24px, 4.5vw, 48px) 0 clamp(44px, 7vw, 84px);
}

/* ---------- 左栏筛选 ---------- */
.page-news .board-rail {
  min-width: 0;
}

.page-news .rail-inner {
  padding: 18px;
  border: var(--news-hair);
  border-radius: var(--radius);
  background: var(--news-soft);
}

.page-news .rail-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .rail-title {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--paper);
}

.page-news .filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint);
  white-space: nowrap;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

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

.page-news .filter-btn {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.page-news .filter-btn:hover {
  color: var(--paper);
  border-color: var(--red);
}

.page-news .filter-btn[aria-pressed="true"] {
  border-color: transparent;
  background: linear-gradient(120deg, var(--gold), var(--orange));
  color: var(--ink);
  font-weight: 700;
}

.page-news .rail-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--news-hair);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .rail-link-wrap {
  margin: 12px 0 0;
}

.page-news .rail-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 181, 61, 0.4);
  padding-bottom: 2px;
}

.page-news .rail-link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 右栏条目流 ---------- */
.page-news .board-stream {
  min-width: 0;
}

.page-news .stream-group + .stream-group {
  margin-top: clamp(28px, 4.4vw, 46px);
}

.page-news .group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-news .group-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-news .group-title {
  margin: 0;
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .group-note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-news .log-item {
  position: relative;
  padding: 18px 0 18px 16px;
  border-bottom: var(--news-hair);
  transition: background 0.16s ease;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--line);
  transition: background 0.16s ease;
}

.page-news .log-item:hover {
  background: rgba(17, 28, 51, 0.5);
}

.page-news .log-item:hover::before {
  background: var(--red);
}

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

.page-news .log-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-news .log-title {
  margin: 0 0 8px;
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 700;
  line-height: 1.46;
  color: var(--paper);
}

.page-news .log-desc {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-text);
}

/* 首条突出 */
.page-news .log-item--lead {
  padding: 18px 16px 20px;
  border: var(--news-hair);
  border-radius: var(--radius);
  background:
    linear-gradient(158deg, rgba(226, 58, 46, 0.16), transparent 58%),
    rgba(17, 28, 51, 0.74);
  box-shadow: 0 22px 46px -30px rgba(0, 0, 0, 0.95);
}

.page-news .log-item--lead::before {
  display: none;
}

.page-news .log-item--lead:hover {
  background:
    linear-gradient(158deg, rgba(226, 58, 46, 0.22), transparent 58%),
    rgba(17, 28, 51, 0.86);
}

.page-news .log-item--lead .log-title {
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-news .log-item--lead .log-desc {
  font-size: 15px;
}

/* 图文 */
.page-news .log-figure {
  margin: 14px 0 0;
}

.page-news .log-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--news-hair);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-news .log-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .log-link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 181, 61, 0.36);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-news .log-link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-news .news-cta {
  margin-top: clamp(30px, 5vw, 54px);
  padding: clamp(20px, 3.4vw, 30px);
  border: var(--news-hair);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(226, 58, 46, 0.18), rgba(245, 181, 61, 0.08) 62%, transparent),
    rgba(11, 18, 32, 0.7);
}

.page-news .cta-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mint);
}

.page-news .cta-title {
  margin: 0;
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 800;
  line-height: 1.34;
  color: var(--paper);
}

.page-news .cta-desc {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-text);
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-news .log-item {
    padding: 20px 0 20px 20px;
  }

  .page-news .log-item--lead {
    padding: 22px 22px 24px;
  }

  .page-news .news-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 940px) {
  .page-news .board {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-news .filter-bar {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .filter-btn {
    flex: 0 0 auto;
  }

  .page-news .log-item--lead {
    padding: 24px 26px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item,
  .page-news .log-item::before,
  .page-news .filter-btn,
  .page-news .log-link {
    transition: none;
  }
}