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

.page-news .section-shell {
  padding-block: 24px 72px;
}

/* ---------- 页头 ---------- */
.page-news .breadcrumbs {
  margin-bottom: 28px;
}

.page-news .col-head {
  max-width: 48rem;
  margin-bottom: 40px;
}

.page-news .col-head__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .col-head h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-news .col-head__lede {
  margin: 0 0 24px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .col-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-news .col-head__meta .num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan-soft);
}

/* ---------- 首图 ---------- */
.page-news .col-hero-media {
  margin: 0 0 56px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .col-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .col-hero-media .media-caption {
  padding: 10px 16px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  background: var(--deep);
  border-top: 1px solid var(--line);
}

/* ---------- 筛选 + 列表骨架 ---------- */
.page-news .col-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-news .col-aside {
  min-width: 0;
}

.page-news .col-aside__title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .col-aside__hint {
  margin: 0 0 16px;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.78;
}

.page-news .col-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .col-stream {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ---------- 条目 ---------- */
.page-news .col-item {
  position: relative;
  padding: 22px 0 24px 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .col-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 10px;
}

.page-news .col-item__tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border: 1px solid rgba(53, 242, 201, 0.28);
  border-radius: 999px;
  background: rgba(53, 242, 201, 0.07);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.page-news .col-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-news .col-item__title {
  position: relative;
  margin: 0 0 10px;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.36;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 0.22s ease;
}

.page-news .col-item__title::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 0.18em;
  bottom: 0.18em;
  width: 3px;
  background: var(--cyan);
  opacity: 0;
  transform: scaleY(0.25);
  transform-origin: top center;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.page-news .col-item:hover .col-item__title,
.page-news .col-item:focus-within .col-item__title {
  color: var(--cyan-soft);
}

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

.page-news .col-item__excerpt {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 横向专题带 ---------- */
.page-news .col-band {
  display: grid;
  gap: 22px;
  margin: 36px 0;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .col-band__intro h2 {
  margin: 0 0 10px;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .col-band__intro p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .col-band__media {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .col-band__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .col-band__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .col-band__item {
  padding: 16px 16px 18px;
  background: var(--deep);
  transition: background 0.22s ease;
}

.page-news .col-band__item:hover {
  background: var(--tactical);
}

.page-news .col-band__idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .col-band__item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .col-band__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 小标签 ---------- */
.page-news .col-kicker {
  display: inline-block;
  position: relative;
  margin: 0 0 12px;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .col-kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 12px;
  background: var(--orange);
}

/* ---------- 数据复盘区块 ---------- */
.page-news .col-deep {
  display: grid;
  gap: 28px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news .col-deep__body {
  min-width: 0;
}

.page-news .col-deep__body h2,
.page-news .col-updates__body h2,
.page-news .col-rhythm h2,
.page-news .col-subscribe h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.022em;
  color: var(--paper);
}

.page-news .col-deep__body > p {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .col-deep__list {
  display: grid;
  gap: 1px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .col-deep__list li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink);
}

.page-news .col-deep__list strong {
  font-size: 14px;
  font-weight: 800;
  color: var(--paper);
}

.page-news .col-deep__list span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .col-deep__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 201, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .col-deep__link:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-news .col-deep__media {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

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

.page-news .col-deep__media .media-caption {
  padding: 10px 16px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  background: var(--deep);
  border-top: 1px solid var(--line);
}

/* ---------- 栏目动态区块 ---------- */
.page-news .col-updates {
  display: grid;
  gap: 28px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news .col-updates__media {
  margin: 0;
  max-width: 420px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .col-updates__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .col-updates__body {
  min-width: 0;
}

.page-news .col-updates__body > p {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .col-updates__facts {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .col-updates__facts li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .col-updates__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 选题节奏 ---------- */
.page-news .col-rhythm {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news .col-rhythm__lede {
  margin: 0 0 32px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .col-rhythm__steps {
  display: grid;
  gap: 20px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-news .col-rhythm__steps li {
  padding: 20px 18px;
  background: var(--tactical);
  border: 1px solid var(--line);
}

.page-news .col-rhythm__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-news .col-rhythm__steps h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .col-rhythm__steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .col-rhythm__note {
  padding: 18px 20px;
  background: rgba(7, 37, 31, 0.72);
  border-left: 3px solid var(--cyan);
}

.page-news .col-rhythm__note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 订阅 ---------- */
.page-news .col-subscribe {
  position: relative;
  overflow: hidden;
  margin-top: 56px;
  padding: 36px 24px 40px;
  background: linear-gradient(160deg, var(--deep) 0%, var(--tactical) 100%);
  border: 1px solid var(--line);
}

.page-news .col-subscribe::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(53, 242, 201, 0.14);
  transform: rotate(32deg);
  pointer-events: none;
}

.page-news .col-subscribe__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-news .col-subscribe p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .col-subscribe__mail {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-soft);
  word-break: break-all;
}

.page-news .col-subscribe__list {
  display: grid;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-news .col-subscribe__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .col-subscribe__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

.page-news .col-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 底部相邻栏目 ---------- */
.page-news .col-footlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.page-news .col-footlinks a {
  padding-bottom: 2px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .col-footlinks a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

  .page-news .col-subscribe {
    padding: 44px 40px 48px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .col-grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 40px;
  }

  .page-news .col-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-news .col-filter {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .col-filter .filter-chip {
    text-align: left;
  }

  .page-news .col-band {
    grid-template-columns: minmax(0, 1fr) 280px;
    column-gap: 32px;
  }

  .page-news .col-band__intro {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .col-band__media {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .col-band__list {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .page-news .col-deep {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }

  .page-news .col-updates {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 44px;
    align-items: center;
  }
}

@media (min-width: 900px) and (hover: hover) {
  .page-news .col-item__excerpt {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .page-news .col-item:hover .col-item__excerpt,
  .page-news .col-item:focus-within .col-item__excerpt {
    -webkit-line-clamp: 8;
  }
}

@media (min-width: 1180px) {
  .page-news .col-head {
    margin-bottom: 48px;
  }

  .page-news .col-hero-media {
    margin-bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .col-item__title,
  .page-news .col-item__title::before,
  .page-news .col-band__item,
  .page-news .col-deep__link,
  .page-news .col-footlinks a {
    transition: none;
  }
}