.page-news {
  --news-rail: 250px;
  background: var(--paper-100);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-900);
  padding-bottom: clamp(36px, 6vw, 76px);
}

.page-news .hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-news .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 28% 55%;
  opacity: 0.52;
}

.page-news .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(96deg, rgba(11, 31, 26, 0.95) 0%, rgba(11, 31, 26, 0.74) 46%, rgba(11, 31, 26, 0.97) 100%),
    repeating-linear-gradient(90deg, rgba(43, 230, 200, 0.09) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(43, 230, 200, 0.06) 0 1px, transparent 1px 92px);
}

.page-news .hero-inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(72px, 10vw, 112px);
  color: var(--paper-100);
}

.page-news .hero-inner .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(243, 239, 228, 0.6);
}

.page-news .hero-inner .breadcrumb a {
  color: rgba(243, 239, 228, 0.84);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-news .hero-inner .breadcrumb a:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-news .hero-inner .kicker {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-news h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 8vw, 80px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-news .hero-lede {
  max-width: 48ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.72;
  color: rgba(243, 239, 228, 0.82);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-news .news-hero .btn-ghost,
.page-news .sub-card .btn-ghost {
  border-color: rgba(243, 239, 228, 0.42);
  color: var(--paper-100);
}

.page-news .news-hero .btn-ghost:hover,
.page-news .sub-card .btn-ghost:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

/* ---------- 本轮速览 ---------- */
.page-news .news-gauge {
  background: var(--paper-100);
  padding: clamp(40px, 6vw, 76px) 0 clamp(34px, 5vw, 58px);
}

.page-news .gauge-head {
  margin-bottom: clamp(24px, 3vw, 38px);
}

.page-news .gauge-head .kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog-500);
}

.page-news .gauge-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .gauge-head p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog-500);
}

.page-news .gauge-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--sand-300);
  border: var(--line-sand);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .gauge-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper-100);
}

.page-news .gauge-item:nth-child(2) {
  background: var(--paper-200);
}

.page-news .gauge-item--ink {
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-news .gauge-num {
  font-family: var(--font-mono);
  font-size: clamp(46px, 8vw, 74px);
  line-height: 1;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  color: var(--amber-500);
}

.page-news .gauge-cap {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: inherit;
}

.page-news .gauge-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--fog-500);
}

.page-news .gauge-item--ink p {
  color: rgba(243, 239, 228, 0.7);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  background: var(--paper-200);
  padding: clamp(36px, 5vw, 72px) 0 clamp(56px, 8vw, 108px);
}

.page-news .feed-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

/* 左侧索引栏 */
.page-news .rail-block + .rail-block {
  margin-top: 28px;
}

.page-news .rail-label {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--sand-300);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog-500);
}

.page-news .rail-nav {
  display: flex;
  flex-direction: column;
}

.page-news .rail-nav a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid rgba(201, 191, 166, 0.45);
  font-size: 15px;
  color: var(--graphite-900);
  text-decoration: none;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-news .rail-nav a .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fog-500);
}

.page-news .rail-nav a:hover {
  color: var(--ink-700);
  padding-left: 6px;
}

.page-news .rail-nav a:hover .mono {
  color: var(--ink-700);
}

.page-news .ticks {
  list-style: none;
  margin: 0;
  padding: 0 0 0 14px;
  border-left: 2px solid var(--sand-300);
}

.page-news .ticks li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fog-500);
}

.page-news .ticks li::before {
  content: "";
  position: absolute;
  left: -19px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sand-300);
}

.page-news .ticks li.is-now {
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .ticks li.is-now::before {
  width: 11px;
  height: 11px;
  left: -20px;
  background: var(--ink-900);
  box-shadow: 0 0 0 4px rgba(224, 168, 60, 0.35);
}

.page-news .ticks li em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}

/* 右侧内容流 */
.page-news .stream-main {
  display: flex;
  flex-direction: column;
  gap: clamp(34px, 5vw, 62px);
  min-width: 0;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink-900);
}

.page-news .filter-btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--sand-300);
  background: transparent;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--graphite-900);
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--ink-700);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper-100);
}

.page-news .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fog-500);
}

/* 栏目区块 */
.page-news .feed-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-news .feed-section + .feed-section {
  padding-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--sand-300);
}

.page-news .feed-head {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .feed-head .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog-500);
}

.page-news .feed-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .feed-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--graphite-900);
}

.page-news .feed-figure {
  margin: 0;
  border: var(--line-sand);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-700);
}

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

/* 条目 */
.page-news .stream-list {
  display: flex;
  flex-direction: column;
}

.page-news .feed-item {
  position: relative;
  padding: 20px 0 20px 20px;
  border-bottom: 1px solid rgba(201, 191, 166, 0.6);
  transition: transform 0.16s var(--ease);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 3px;
  background: var(--cyan-400);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.18s var(--ease);
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  transform: translateY(-2px);
}

.page-news .feed-item:hover::before,
.page-news .feed-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .feed-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.page-news .feed-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--fog-500);
}

.page-news .feed-item h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.26;
  letter-spacing: -0.005em;
  color: var(--ink-900);
}

.page-news .feed-item p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite-900);
}

.page-news .feed-item a {
  color: var(--ink-700);
  text-decoration: underline;
  text-decoration-color: var(--sand-300);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.16s var(--ease);
}

.page-news .feed-item a:hover {
  text-decoration-color: var(--cyan-400);
}

/* 对照专栏收束线 */
.page-news .feed-section--compare .feed-head {
  padding-top: clamp(6px, 1.4vw, 14px);
  border-top: 2px solid var(--ink-900);
}

/* 订阅入口 */
.page-news .feed-section--sub {
  border-top: none;
}

.page-news .sub-card {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 52px);
  border-radius: var(--radius-lg);
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-news .sub-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 230, 200, 0.26), rgba(43, 230, 200, 0) 68%);
  pointer-events: none;
}

.page-news .sub-card .kicker {
  position: relative;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-news .sub-card h2 {
  position: relative;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-news .sub-card p {
  position: relative;
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(243, 239, 228, 0.78);
}

.page-news .sub-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .sub-card .sub-note {
  position: relative;
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(201, 191, 166, 0.28);
  font-size: 14px;
  color: rgba(243, 239, 228, 0.7);
}

.page-news .sub-card .sub-note a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 230, 200, 0.4);
}

.page-news .sub-card .sub-note a:hover {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .gauge-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .feed-head--split {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .feed-shell {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .rail-sticky {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (max-width: 719px) {
  .page-news .feed-head--split {
    grid-template-columns: 1fr;
  }

  .page-news .filter-count {
    margin-left: 0;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .feed-item::before,
  .page-news .rail-nav a,
  .page-news .filter-btn {
    transition: none;
  }

  .page-news .feed-item:hover {
    transform: none;
  }
}
