.page-news {
  --news-space: clamp(64px, 9vw, 132px);
  --news-line: 1px solid var(--edge);
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-news .section {
  padding-block: var(--news-space);
}

/* ---------- 刊头 ---------- */
.page-news .news-masthead {
  position: relative;
  padding-block: clamp(44px, 7vw, 100px) clamp(36px, 5vw, 68px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(0, 229, 255, 0.10), transparent 58%),
    var(--ink-0);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 14%;
  width: min(44%, 520px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--edge) 38%, var(--cyan));
  transform: rotate(-24deg);
  transform-origin: right center;
  opacity: 0.6;
  pointer-events: none;
}

.page-news .news-masthead .breadcrumbs {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: clamp(28px, 4vw, 48px);
}

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

.page-news .news-masthead .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-news .news-masthead .breadcrumbs .sep {
  margin-inline: 10px;
  color: var(--edge);
}

.page-news .news-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-news .news-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.7;
}

.page-news .news-masthead__title {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 7vw, 76px);
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .news-masthead__title span {
  display: block;
  margin-top: 0.42em;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.6vw, 16px);
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--cyan);
}

.page-news .news-masthead__lede {
  max-width: 62ch;
  margin-top: clamp(24px, 3vw, 36px);
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--muted);
}

.page-news .news-masthead__meta li {
  position: relative;
  padding-left: 16px;
}

.page-news .news-masthead__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.85;
}

.page-news .news-masthead__meta .data-mono {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* ---------- 头条专题 ---------- */
.page-news .news-feature {
  padding-top: clamp(20px, 3vw, 40px);
}

.page-news .news-feature__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-news .news-feature__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--panel);
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .news-feature__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(138deg, transparent 46%, rgba(0, 229, 255, 0.20) 100%);
  pointer-events: none;
}

.page-news .news-feature__body h2 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-news .news-feature__body p {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 46ch;
}

.page-news .news-feature__facts {
  display: grid;
  gap: 1px;
  margin: clamp(26px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--edge);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-news .news-feature__facts li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 6px 18px;
  align-items: baseline;
  padding: 15px 20px;
  background: var(--panel);
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-feature__facts b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .news-feature__cta {
  display: inline-flex;
  align-items: center;
  margin-top: clamp(26px, 3vw, 36px);
}

/* ---------- 分类筛选 ---------- */
.page-news .news-filter {
  background: var(--ink-1);
  border-top: var(--news-line);
}

.page-news .news-filter__head {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .news-filter__intro h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.24;
  color: var(--text);
}

.page-news .news-filter__intro p {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-filter__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
}

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

.page-news .news-filter__bar {
  display: flex;
  gap: 10px;
  margin-top: clamp(26px, 3.4vw, 40px);
  padding: 4px 2px 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--edge) transparent;
}

.page-news .filter-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 10px 22px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-pill);
  background: var(--panel);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .filter-chip:hover {
  border-color: var(--violet);
  color: var(--text);
}

.page-news .filter-chip[aria-pressed="true"],
.page-news .filter-chip.is-active {
  background: var(--violet);
  border-color: var(--violet);
  color: #ffffff;
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  background: var(--ink-0);
}

.page-news .news-stream__head {
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-news .news-stream__texture {
  margin: 0 0 clamp(28px, 4vw, 44px);
  height: clamp(84px, 13vw, 148px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-news .news-stream__texture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-news .news-stream__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-line);
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px) clamp(14px, 2vw, 22px);
  border-bottom: var(--news-line);
  border-radius: var(--radius-md);
  transition: background 0.22s ease;
}

.page-news .news-item:hover {
  background: var(--ink-1);
}

.page-news .news-item__code {
  justify-self: start;
  align-self: start;
  padding: 4px 11px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .news-item__main h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.46;
  color: var(--text);
}

.page-news .news-item__excerpt {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-item__series {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .news-item__series span {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--edge);
}

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

.page-news .news-item__meta .tag {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--panel);
  font-size: 12px;
  color: var(--muted);
  transition: background 0.22s ease, color 0.22s ease;
}

.page-news .news-item:hover .news-item__meta .tag {
  background: var(--violet);
  color: #ffffff;
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-filter__empty {
  margin-top: 26px;
  font-size: 15px;
  color: var(--muted);
}

.page-news [data-filter-empty][hidden] {
  display: none;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  background: var(--ink-1);
  border-top: var(--news-line);
  border-bottom: var(--news-line);
}

.page-news .news-series .section-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.page-news .news-series .section-note a:hover {
  border-bottom-color: var(--cyan);
}

.page-news .news-series__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-news .news-series__item {
  padding: 24px 24px 20px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.page-news .news-series__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--text);
}

.page-news .news-series__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-series__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  transition: transform 0.22s ease;
}

.page-news .news-series__item[open] .news-series__summary::after {
  transform: rotate(45deg);
}

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

.page-news .news-series__panel {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--edge);
}

.page-news .news-series__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-series__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .news-series__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .news-series__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 编辑推荐 ---------- */
.page-news .news-picks {
  background: var(--ink-0);
}

.page-news .news-picks__list {
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-line);
}

.page-news .news-pick {
  display: grid;
  gap: 14px;
  align-items: start;
  padding: clamp(24px, 3vw, 34px) 0;
  border-bottom: var(--news-line);
}

.page-news .news-pick__no {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

.page-news .news-pick__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
  color: var(--text);
}

.page-news .news-pick__body p {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-pick__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: center;
  padding: 8px 18px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .news-pick__link::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-news .news-pick__link:hover {
  background: var(--violet);
  border-color: var(--violet);
  color: #ffffff;
}

/* ---------- 订阅提醒 ---------- */
.page-news .news-follow {
  background: var(--ink-1);
  border-top: var(--news-line);
}

.page-news .news-follow__inner {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: clamp(26px, 4vw, 52px);
  border-radius: var(--radius-xl);
  background: var(--panel);
}

.page-news .news-follow__body h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.24;
  color: var(--text);
}

.page-news .news-follow__body > p {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-follow__steps {
  counter-reset: follow;
  margin: clamp(24px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-news .news-follow__steps li {
  counter-increment: follow;
  position: relative;
  padding-left: 44px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text);
}

.page-news .news-follow__steps li::before {
  content: counter(follow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.24em;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .news-follow__steps a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

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

.page-news .news-follow__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-0);
}

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

/* ---------- 桌面端布局 ---------- */
@media (min-width: 760px) {
  .page-news .news-filter__head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-news .news-feature__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .page-news .news-pick {
    grid-template-columns: 86px minmax(0, 1fr) auto;
    gap: 30px;
  }

  .page-news .news-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .news-follow__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (min-width: 900px) {
  .page-news .news-item {
    grid-template-columns: 80px minmax(0, 1fr) 210px;
    gap: clamp(20px, 3vw, 34px);
    align-items: start;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 2px;
  }
}

@media (max-width: 719px) {
  .page-news .news-masthead::after {
    display: none;
  }

  .page-news .news-feature__facts li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-news .news-pick__link {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-chip,
  .page-news .news-item,
  .page-news .news-item__meta .tag,
  .page-news .news-series__summary::after,
  .page-news .news-pick__link {
    transition: none;
  }
}
</main>