.page-news {
  --news-rail: 220px;
  display: grid;
  gap: clamp(56px, 9vw, 112px);
  padding-block: clamp(18px, 3vw, 36px) clamp(72px, 10vw, 128px);
  color: var(--text);
}

.page-news > * {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-width: 0;
}

/* ---------- 顶部信息 ---------- */
.page-news .news-top {
  display: grid;
  gap: clamp(12px, 2vw, 20px);
}

.page-news .news-top .breadcrumb {
  font-size: 13px;
}

.page-news .news-top h1 {
  margin: 0;
  font-size: clamp(2.35rem, 8.4vw, 5.1rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.page-news .news-top h1 .hl {
  color: var(--neon);
}

.page-news .news-lede {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--text);
}

.page-news .news-stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-news .news-stamp .stamp-sep {
  color: var(--ink-600);
}

/* ---------- 最新条目 ---------- */
.page-news .news-board {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  min-width: 0;
}

.page-news .board-head {
  display: grid;
  gap: 8px;
  max-width: 46ch;
}

.page-news .board-head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .board-head-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-board-inner {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  min-width: 0;
}

.page-news .board-rail {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-news .tab-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-news .tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 1px solid var(--ink-600);
  border-radius: 999px;
  color: var(--mist);
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1;
  padding: 10px 16px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-news .tab:hover {
  color: var(--text);
  border-color: var(--neon-28);
}

.page-news .tab:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-news .tab[aria-selected="true"] {
  color: var(--amber);
  border-color: var(--amber-38);
  background: var(--amber-12);
}

.page-news .rail-art {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
}

.page-news .rail-art img {
  display: block;
  width: 100%;
  height: 132px;
  object-fit: cover;
}

.page-news .board-main {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  min-width: 0;
}

.page-news .board-art {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
}

.page-news .board-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-news .tab-panels {
  min-width: 0;
}

.page-news .tab-panel {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  animation: news-panel-in 0.22s ease both;
}

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

@keyframes news-panel-in {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  min-width: 0;
}

.page-news .entry {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--ink-600);
  border-left: 2px solid var(--neon-28);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--ink-700) 0%, rgba(18, 34, 56, 0.72) 100%);
  transition: transform 0.28s cubic-bezier(0.2, 0.7, 0.3, 1), border-color 0.28s ease,
    box-shadow 0.28s ease;
  overflow: hidden;
  isolation: isolate;
}

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

.page-news .entry::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(105deg, transparent 32%, var(--neon-08) 46%, transparent 60%);
  transform: translateX(-30%);
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.6s ease;
  pointer-events: none;
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  transform: translateY(-4px);
  border-left-color: var(--neon);
  box-shadow: 0 18px 40px -26px rgba(53, 227, 224, 0.55);
}

.page-news .entry:hover::after,
.page-news .entry:focus-within::after {
  opacity: 1;
  transform: translateX(20%);
}

.page-news .entry-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .entry-title {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--text);
}

.page-news .entry-sum {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .entry-more {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--amber-38);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s ease, opacity 0.24s ease;
}

.page-news .entry:hover .entry-more,
.page-news .entry:focus-within .entry-more {
  opacity: 0.86;
  max-height: 10em;
}

.page-news .entry-link {
  justify-self: start;
  font-size: 14px;
  font-weight: 600;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .entry-link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-news .entry-link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 专题系列 ---------- */
.page-news .news-features {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  min-width: 0;
}

.page-news .features-head {
  display: grid;
  gap: 8px;
  max-width: 52ch;
}

.page-news .features-head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .features-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .features-banner {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
}

.page-news .features-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-news .features-rail {
  display: flex;
  gap: clamp(16px, 2.4vw, 26px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 20px 4px 26px;
  -webkit-overflow-scrolling: touch;
}

.page-news .features-rail:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.page-news .feature {
  flex: 0 0 min(82vw, 490px);
  scroll-snap-align: start;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: var(--ink-700);
  box-shadow: 0 24px 46px -32px rgba(5, 10, 20, 0.95);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news .feature:nth-child(odd) {
  transform: rotate(-0.7deg);
}

.page-news .feature:nth-child(even) {
  transform: rotate(0.9deg);
}

.page-news .feature:hover,
.page-news .feature:focus-within {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: 0 26px 52px -28px rgba(53, 227, 224, 0.35);
}

.page-news .feature--list {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--paper-ink);
}

.page-news .feature-cycle {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .feature h3 {
  margin: 0;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--text);
}

.page-news .feature p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-news .feature--list h3 {
  color: var(--paper-ink);
}

.page-news .feature--list p {
  color: #3B485B;
}

.page-news .feature--list .feature-cycle {
  color: #8A5A10;
}

.page-news .feature-link {
  justify-self: start;
  font-size: 14px;
  font-weight: 600;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .feature-link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-news .feature--list .feature-link {
  color: var(--paper-link);
  border-bottom-color: rgba(12, 107, 119, 0.35);
}

.page-news .feature--list .feature-link:hover {
  color: var(--paper-ink);
  border-bottom-color: var(--paper-ink);
}

.page-news .feature-link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-news .cadence-head {
  display: grid;
  gap: 8px;
  max-width: 40ch;
}

.page-news .cadence-head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--ink-600);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .cadence-item {
  display: grid;
  gap: 7px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-800);
}

.page-news .cadence-cycle {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-news .cadence-item h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

.page-news .cadence-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 回访入口 ---------- */
.page-news .news-return {
  display: grid;
  min-width: 0;
}

.page-news .return-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-news .return-copy {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-news .return-copy h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .return-copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .return-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: 4px;
}

.page-news .return-copy .return-contact {
  max-width: 48ch;
  margin-block-start: 6px;
  padding-block-start: 14px;
  border-top: 1px solid var(--ink-600);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .return-art {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 520px) {
  .page-news .news-top h1 {
    font-size: clamp(2rem, 10vw, 2.6rem);
  }

  .page-news .entry-more {
    opacity: 0.86;
    max-height: 10em;
  }
}

@media (hover: none) {
  .page-news .entry-more {
    opacity: 0.86;
    max-height: 10em;
  }
}

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

@media (min-width: 900px) {
  .page-news .news-board-inner {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-news .tab-list {
    flex-wrap: wrap;
    overflow: visible;
    justify-content: flex-start;
  }

  .page-news .tab {
    writing-mode: vertical-rl;
    padding: 22px 13px;
    letter-spacing: 0.16em;
    border-radius: 999px;
  }

  .page-news .rail-art img {
    height: 210px;
  }

  .page-news .entry-list > li:nth-child(even) {
    margin-inline-start: clamp(20px, 5vw, 64px);
  }

  .page-news .return-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1080px) {
  .page-news .cadence-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .feature,
  .page-news .tab,
  .page-news .entry-more,
  .page-news .entry::after {
    transition: opacity 0.2s ease;
  }

  .page-news .entry:hover,
  .page-news .entry:focus-within,
  .page-news .feature:hover,
  .page-news .feature:focus-within {
    transform: none;
  }

  .page-news .feature:nth-child(odd),
  .page-news .feature:nth-child(even) {
    transform: none;
  }

  .page-news .tab-panel {
    animation: none;
  }
}