.page-news {
  --news-pad: clamp(16px, 4vw, 32px);
  --news-line: 1px solid var(--line-700);
  background: var(--ink-900);
  color: var(--mist-100);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .breadcrumbs {
  padding-top: clamp(14px, 3vw, 26px);
  font-size: 13px;
  color: var(--sage-400);
}

.page-news .breadcrumbs a {
  color: var(--sage-400);
  text-decoration: none;
}

.page-news .breadcrumbs a:hover {
  color: var(--lime-500);
}

.page-news .crumb-sep {
  margin: 0 8px;
  color: var(--line-700);
}

/* 首屏框景 */
.page-news .news-hero {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-news .news-hero__frame {
  position: relative;
  overflow: hidden;
  border: var(--news-line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 5vw, 60px) clamp(20px, 4.5vw, 60px) clamp(24px, 4vw, 44px);
  background:
    radial-gradient(120% 150% at 90% -20%, rgba(31, 107, 79, .6) 0%, rgba(7, 26, 43, 0) 58%),
    linear-gradient(160deg, var(--ink-900) 40%, var(--ink-800) 100%);
  box-shadow: var(--shadow-island);
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(88px, 18%, 200px);
  height: clamp(38px, 7vw, 56px);
  border-right: var(--news-line);
  border-bottom: var(--news-line);
  border-bottom-right-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(200, 255, 61, .16), rgba(200, 255, 61, 0) 72%);
  pointer-events: none;
}

.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  top: 16%;
  bottom: 16%;
  right: clamp(10px, 2vw, 26px);
  width: 10px;
  background-image: repeating-linear-gradient(to bottom, var(--line-700) 0 1px, transparent 1px 14px);
  pointer-events: none;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 82px);
  line-height: .95;
  letter-spacing: -.02em;
  margin: clamp(14px, 2vw, 22px) 0 clamp(16px, 2.4vw, 26px);
  max-width: 15ch;
  color: var(--white);
}

.page-news .news-hero .lede {
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--sage-400);
  margin: 0;
}

.page-news .news-hero__ticks {
  display: grid;
  gap: 14px;
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: clamp(18px, 2.4vw, 24px) 0 0;
  border-top: 1px dashed var(--line-700);
}

.page-news .news-hero__ticks li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-hero__num {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--lime-500);
  letter-spacing: .02em;
}

.page-news .news-hero__cap {
  font-size: 13px;
  color: var(--sage-400);
  line-height: 1.5;
}

/* 本周精选 */
.page-news .news-picks {
  display: grid;
  gap: var(--gap);
}

.page-news .news-pick {
  position: relative;
  border: var(--news-line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  padding: clamp(18px, 2.4vw, 26px);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-news .news-pick:hover {
  border-color: var(--pitch-500);
  transform: translateY(-3px);
}

.page-news .news-pick--main {
  padding: 0;
  overflow: hidden;
  background: var(--ink-900);
}

.page-news .news-pick--main .media {
  border-radius: 0;
}

.page-news .news-pick--main .news-pick__body {
  padding: clamp(18px, 2.6vw, 30px);
}

.page-news .news-pick__body {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-pick h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 27px);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--white);
}

.page-news .news-pick--main h3 {
  font-size: clamp(22px, 3.4vw, 38px);
}

.page-news .news-pick p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--sage-400);
}

.page-news .news-meta {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--pitch-500);
  text-transform: none;
  margin: 0;
}

.page-news .news-pick--main .news-meta {
  color: var(--lime-500);
}

/* 浏览区：左筛选 + 右列表 */
.page-news .news-browse {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-news .news-side__label {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--sage-400);
  margin: 0 0 12px;
}

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

.page-news .filter-btn {
  border: 1px solid var(--line-700);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 10px 16px;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--lime-500);
  color: var(--lime-300);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--lime-500);
  border-color: var(--lime-500);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .news-side__card {
  margin-top: clamp(20px, 3vw, 30px);
  border: var(--news-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-800);
}

.page-news .news-side__card .media-cap {
  padding: 12px 16px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage-400);
}

.page-news .news-main {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  min-width: 0;
}

.page-news .news-list {
  border-bottom: var(--news-line);
}

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

.page-news .news-row {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: var(--news-line);
  transition: transform .18s var(--ease);
}

.page-news .news-row::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 22%;
  bottom: 22%;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--lime-500);
  opacity: 0;
  transition: opacity .18s var(--ease);
}

.page-news .news-row:hover {
  transform: translateX(6px);
}

.page-news .news-row:hover::before {
  opacity: 1;
}

.page-news .news-row__no {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--lime-500);
  margin: 0;
}

.page-news .news-row__body {
  display: grid;
  gap: 8px;
  justify-items: start;
  min-width: 0;
}

.page-news .news-row h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 22px);
  line-height: 1.35;
  margin: 0;
  color: var(--white);
}

.page-news .news-row p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage-400);
  max-width: 56ch;
}

/* 数据笔记焦点卡 */
.page-news .news-spot {
  display: grid;
  gap: 0;
  border: var(--news-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-800), var(--ink-700));
}

.page-news .news-spot__body {
  display: grid;
  gap: 12px;
  justify-items: start;
  padding: clamp(18px, 2.6vw, 28px);
}

.page-news .news-spot h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.25;
  margin: 0;
  color: var(--white);
}

.page-news .news-spot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage-400);
}

/* 专题系列 */
.page-news .series-grid {
  display: grid;
  gap: var(--gap);
}

.page-news .series-card {
  position: relative;
  border: var(--news-line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  padding: clamp(18px, 2.4vw, 26px);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-news .series-card:hover {
  border-color: var(--pitch-500);
  transform: translateY(-3px);
}

.page-news .series-card--wide {
  padding: 0;
  overflow: hidden;
  grid-column: 1 / -1;
  background: var(--ink-900);
}

.page-news .series-card--wide .media {
  border-radius: 0;
}

.page-news .series-card__body {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: clamp(18px, 2.4vw, 26px);
}

.page-news .series-card--wide .series-card__body {
  padding: clamp(20px, 3vw, 34px);
}

.page-news .series-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.3vw, 25px);
  line-height: 1.3;
  margin: 0;
  color: var(--white);
}

.page-news .series-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage-400);
}

/* 订阅面板 */
.page-news .news-subscribe {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--radius-lg);
  color: var(--ink-900);
}

.page-news .news-subscribe__eyebrow {
  color: var(--ink-700);
}

.page-news .news-subscribe h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 12px 0 14px;
  color: var(--ink-900);
  max-width: 20ch;
}

.page-news .news-subscribe__copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-800);
  max-width: 56ch;
}

.page-news .news-subscribe__actions {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-news .news-subscribe .btn {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--mist-100);
}

.page-news .news-subscribe .btn--ghost {
  background: transparent;
  border-color: var(--ink-700);
  color: var(--ink-900);
}

.page-news .news-subscribe__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-700);
  margin: 0;
}

/* 现场观察 */
.page-news .news-contribute {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(22px, 4vw, 44px);
  border-radius: var(--radius-lg);
  align-items: start;
}

.page-news .news-contribute h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 12px 0 14px;
  color: var(--white);
  max-width: 22ch;
}

.page-news .news-contribute__copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sage-400);
  max-width: 58ch;
}

.page-news .news-contribute__actions {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-news .news-contribute__note {
  font-size: 12px;
  line-height: 1.65;
  color: var(--sage-400);
  margin: 0;
  max-width: 36ch;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-news .news-hero__ticks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 3vw, 32px);
  }

  .page-news .news-row {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-news .news-row__no {
    padding-top: 4px;
  }

  .page-news .news-spot {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
    align-items: center;
  }

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

  .page-news .news-subscribe,
  .page-news .news-contribute {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-news .news-picks {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .news-pick--main {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
  }

  .page-news .news-pick--main .news-pick__body {
    flex: 1;
  }
}

@media (min-width: 900px) {
  .page-news .news-browse {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-side {
    position: sticky;
    top: 96px;
  }

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

  .page-news .news-side .filter-btn {
    text-align: left;
    padding: 11px 18px;
  }

  .page-news .news-hero h1 {
    max-width: 14ch;
  }
}

@media (min-width: 1180px) {
  .page-news .news-spot {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-pick,
  .page-news .series-card,
  .page-news .news-row,
  .page-news .filter-btn {
    transition: none;
  }

  .page-news .news-row:hover {
    transform: none;
  }
}