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

.page-news .breadcrumb {
  padding-block: clamp(16px, 3vw, 26px) 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-block: clamp(18px, 3vw, 32px) clamp(32px, 5vw, 64px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset-inline-end: 0;
  top: 0;
  bottom: 0;
  width: min(54%, 640px);
  background: linear-gradient(158deg, rgba(47, 243, 208, 0.12), rgba(47, 243, 208, 0) 62%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  max-width: 15em;
}

.page-news .news-hero__lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.8;
  color: rgba(247, 250, 248, 0.76);
}

.page-news .hero-stats {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border-block: 1px solid var(--line-dark);
}

.page-news .hero-stats li {
  background: var(--ink);
  padding: 13px 4px 13px 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-news .hero-stats__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 250, 248, 0.62);
  order: 2;
}

.page-news .hero-stats__v {
  order: 1;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .hero-stats__v .num {
  font-size: 26px;
  color: var(--amber);
  margin-right: 3px;
  line-height: 1;
}

.page-news .news-hero__figure {
  position: relative;
  margin: 0;
}

.page-news .news-hero__figure .media-frame {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

/* ---------- 章节标题 ---------- */
.page-news .section-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-news .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 8px 0 12px;
}

.page-news .section-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 250, 248, 0.7);
}

/* ---------- 栏目索引 ---------- */
.page-news .notes-columns {
  padding-block: clamp(36px, 5vw, 72px);
  border-top: 1px solid var(--line-dark);
}

.page-news .columns-grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-news .rail-label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(247, 250, 248, 0.55);
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rail-list a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 11px 12px 11px 0;
  border-top: 1px solid var(--line-dark);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .rail-list a .num {
  font-size: 13px;
  color: rgba(47, 243, 208, 0.72);
}

.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-news .columns-body {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-news .column-card {
  padding: clamp(18px, 2.4vw, 28px);
  background: linear-gradient(152deg, var(--ink-2), var(--ink-3) 78%);
  border-inline-start: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  scroll-margin-top: 24px;
}

.page-news .column-card__head h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.35;
  margin: 10px 0 8px;
  letter-spacing: -0.01em;
}

.page-news .column-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(247, 250, 248, 0.76);
}

.page-news .column-card__when {
  margin-top: 12px !important;
  padding-top: 10px;
  border-top: 1px dashed var(--line-dark);
  font-size: 13px !important;
  letter-spacing: 0.02em;
  color: var(--cyan-soft) !important;
  opacity: 0.86;
}

.page-news .column-card__figure {
  margin: 16px 0 0;
}

.page-news .column-card__figure .media-frame {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 calc(100% - var(--cut)));
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  padding: 2px 9px;
  color: var(--cyan);
  background: rgba(47, 243, 208, 0.1);
  border: 1px solid rgba(47, 243, 208, 0.34);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-news .tag--review {
  color: var(--cyan-soft);
  background: rgba(143, 252, 232, 0.1);
  border-color: rgba(143, 252, 232, 0.32);
}

.page-news .tag--data {
  color: var(--amber);
  background: rgba(242, 184, 75, 0.1);
  border-color: rgba(242, 184, 75, 0.36);
}

.page-news .tag--release {
  color: var(--sand);
  background: rgba(232, 228, 220, 0.08);
  border-color: rgba(232, 228, 220, 0.26);
}

/* ---------- 条目列表 ---------- */
.page-news .notes-feed {
  padding-block: clamp(36px, 5vw, 72px);
  border-top: 1px solid var(--line-dark);
}

.page-news .feed-grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-news .stage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
}

.page-news .stage-list li {
  background: var(--ink);
  padding: 12px 6px 12px 0;
  display: grid;
  gap: 3px;
}

.page-news .stage-list strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan-soft);
}

.page-news .stage-list span {
  font-size: 12px;
  line-height: 1.65;
  color: rgba(247, 250, 248, 0.6);
}

.page-news .note-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}

.page-news .note-row {
  border-bottom: 1px solid var(--line-dark);
  transition: background var(--dur) var(--ease);
}

.page-news .note-row[open] {
  background: rgba(18, 59, 51, 0.62);
}

.page-news .note-row > summary {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 20px;
  align-items: start;
  gap: 2px 12px;
  padding: 15px 0 15px 2px;
  cursor: pointer;
  list-style: none;
}

.page-news .note-row > summary::-webkit-details-marker {
  display: none;
}

.page-news .note-row > summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-news .note-row__no {
  font-size: 13px;
  color: rgba(47, 243, 208, 0.62);
  padding-top: 3px;
}

.page-news .note-row__main {
  display: grid;
  gap: 6px;
}

.page-news .note-row__tagline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .note-row__meta {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(247, 250, 248, 0.55);
}

.page-news .note-row__title {
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .note-row__chev {
  padding-top: 2px;
  text-align: center;
}

.page-news .note-row__chev::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-news .note-row[open] .note-row__chev::before {
  content: "\2212";
}

.page-news .note-row__body {
  padding: 0 4px 20px 0;
}

.page-news .note-row__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(247, 250, 248, 0.74);
}

.page-news .note-row__link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 184, 75, 0.42);
  padding-bottom: 2px;
}

.page-news .note-row__link:hover,
.page-news .note-row__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: rgba(143, 252, 232, 0.6);
}

.page-news .mini-chart {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 4px 0 16px;
}

.page-news .mini-chart .bar {
  fill: rgba(47, 243, 208, 0.34);
}

.page-news .mini-chart .bar--hi {
  fill: var(--amber);
}

.page-news .note-figure {
  margin: 0 0 14px;
}

.page-news .note-figure img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-news .note-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(247, 250, 248, 0.55);
}

/* ---------- 专题 ---------- */
.page-news .topics {
  padding-block: clamp(36px, 5vw, 72px);
  border-top: 1px solid var(--line-dark);
}

.page-news .topic-row {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 24px);
  background: linear-gradient(150deg, var(--ink-2), var(--ink-3) 68%);
  border: 1px solid var(--line-dark);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 243, 208, 0.44);
}

.page-news .topic-card__cover {
  margin-bottom: 4px;
}

.page-news .topic-card__cover img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .topic-card__issue {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--charcoal);
  background: var(--amber);
  padding: 3px 9px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-news .topic-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.3;
  margin: 0;
}

.page-news .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 250, 248, 0.72);
}

.page-news .topic-card__count {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
  font-size: 12px !important;
  letter-spacing: 0.06em;
  color: rgba(247, 250, 248, 0.55) !important;
}

.page-news .topic-card__count .num {
  font-size: 20px;
  color: var(--cyan);
  margin-right: 4px;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  padding-block: clamp(36px, 5vw, 72px);
}

.page-news .cadence__panel {
  padding: clamp(22px, 3.4vw, 44px);
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-news .cadence__lead h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 8px 0 12px;
}

.page-news .cadence__lead p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 250, 248, 0.74);
}

.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--line-dark);
}

.page-news .cadence-list__t {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-news .cadence-list h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .cadence-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(247, 250, 248, 0.66);
}

/* ---------- 收藏 CTA ---------- */
.page-news .save-cta {
  background: var(--sand);
  color: var(--charcoal);
  padding-block: clamp(32px, 5vw, 64px);
}

.page-news .save-cta .eyebrow {
  color: var(--ink);
  opacity: 0.7;
}

.page-news .save-cta__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .save-cta h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 8px 0 12px;
  color: var(--ink);
}

.page-news .save-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(16, 22, 20, 0.76);
  max-width: 60ch;
}

.page-news .save-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .save-cta .btn--ghost {
  color: var(--ink);
  border-color: rgba(11, 42, 36, 0.34);
}

.page-news .save-cta .btn--ghost:hover,
.page-news .save-cta .btn--ghost:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
  background: rgba(11, 42, 36, 0.06);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .note-row > summary {
    grid-template-columns: 38px minmax(0, 1fr) 22px;
    gap: 4px 16px;
    padding: 18px 0;
  }

  .page-news .note-row__body {
    padding: 0 8px 22px 54px;
  }

  .page-news .cadence-list li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 18px;
  }

  .page-news .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .hero-stats li {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
    padding: 16px 18px 16px 0;
  }

  .page-news .hero-stats__k {
    order: 1;
  }

  .page-news .hero-stats__v {
    order: 2;
  }
}

@media (min-width: 760px) {
  .page-news .topic-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .columns-body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .column-card--with-figure {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: clamp(18px, 2.6vw, 30px);
    align-items: center;
  }

  .page-news .column-card--with-figure .column-card__figure {
    margin: 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .news-hero__figure {
    margin-top: 18px;
  }

  .page-news .columns-grid,
  .page-news .feed-grid {
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .columns-rail,
  .page-news .feed-rail {
    position: sticky;
    top: 24px;
  }

  .page-news .cadence__panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-news .save-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: center;
  }

  .page-news .save-cta__links {
    justify-content: flex-end;
  }
}

@media (max-width: 400px) {
  .page-news .note-row > summary {
    grid-template-columns: 24px minmax(0, 1fr) 18px;
    gap: 2px 10px;
  }

  .page-news .cadence-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .rail-list a,
  .page-news .note-row {
    transition: none;
  }

  .page-news .topic-card:hover {
    transform: none;
  }
}