.page-news {
  --news-guide: #C4D0E8;
  --news-paper: #F1F4FC;
  --news-line: rgba(140, 155, 191, 0.28);
  padding-bottom: 8px;
}

/* ---------- 面包屑与首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 40px 0 32px;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -14%;
  width: min(520px, 90vw);
  height: min(520px, 90vw);
  background: radial-gradient(circle at 62% 38%, rgba(47, 243, 208, 0.16), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-news .news-hero h1 {
  margin: 10px 0 18px;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--news-guide);
}

.page-news .news-hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .hero-brief {
  border: 2px solid var(--line-strong);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  padding: 20px 22px 8px;
}

.page-news .hero-brief__head {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-news .hero-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .hero-brief__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
}

.page-news .hero-brief__row:first-child {
  border-top: 0;
}

.page-news .hero-brief__num {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-news .hero-brief__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--news-guide);
  text-align: right;
}

/* ---------- 章节通用 ---------- */

.page-news .news-section {
  padding: 48px 0;
  scroll-margin-top: 76px;
}

.page-news .news-section--tint {
  background: var(--ink-2);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-news .section-head {
  margin-bottom: 28px;
}

.page-news .section-head h2 {
  margin: 8px 0 0;
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  color: var(--white);
}

.page-news .section-head__text {
  margin: 14px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-guide);
}

/* ---------- 筛选 + 条目墙 ---------- */

.page-news .news-hub {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-news .filter-rail__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-news .filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .filter-list__item {
  position: relative;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 2px solid var(--line-strong);
  background: var(--ink-2);
  color: var(--news-guide);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.page-news .filter-pill::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border: 2px solid var(--line-strong);
  background: transparent;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.page-news .filter-pill:hover {
  transform: translate(-2px, 0);
  border-color: var(--neon);
  color: var(--white);
}

.page-news .filter-input:checked + .filter-pill {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
}

.page-news .filter-input:checked + .filter-pill::before {
  background: var(--ink);
  border-color: var(--ink);
}

.page-news .filter-input:focus-visible + .filter-pill {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-news .filter-rail__hint {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .news-hub:has(#f-research:checked) .news-item:not(.cat-research),
.page-news .news-hub:has(#f-tactic:checked) .news-item:not(.cat-tactic),
.page-news .news-hub:has(#f-rank:checked) .news-item:not(.cat-rank),
.page-news .news-hub:has(#f-clip:checked) .news-item:not(.cat-clip),
.page-news .news-hub:has(#f-log:checked) .news-item:not(.cat-log) {
  display: none;
}

/* ---------- 图片容器 ---------- */

.page-news .news-figure {
  margin: 0 0 22px;
  border: 2px solid var(--line-strong);
  background: var(--ink-deep);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-news .news-figure figcaption {
  padding: 11px 14px;
  border-top: 2px solid var(--line-strong);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--news-guide);
}

.page-news .news-figure--lead {
  margin-bottom: 30px;
}

/* ---------- 条目列表 ---------- */

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0 0 44px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-news .news-item {
  position: relative;
  padding: 2px 0 2px 20px;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--line-strong);
  transition: width 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  width: 5px;
  background: var(--neon);
  box-shadow: var(--glow-neon);
}

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

.page-news .news-item__cat {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  color: var(--news-guide);
  white-space: nowrap;
}

.page-news .news-item__cat--research {
  color: var(--neon);
  border-color: rgba(47, 243, 208, 0.5);
}

.page-news .news-item__cat--tactic {
  color: var(--electric);
  border-color: rgba(61, 123, 255, 0.55);
}

.page-news .news-item__cat--rank {
  color: var(--amber);
  border-color: rgba(255, 194, 75, 0.55);
}

.page-news .news-item__cat--clip {
  color: var(--pitch);
  border-color: rgba(31, 208, 106, 0.5);
}

.page-news .news-item__cat--log {
  color: var(--mist);
}

.page-news .news-item__time {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .news-item__time--fresh::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pitch);
  animation: news-pulse 2.4s ease-out infinite;
}

@keyframes news-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(31, 208, 106, 0.55);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(31, 208, 106, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(31, 208, 106, 0);
  }
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.45;
}

.page-news .news-item__title a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-news .news-item__title a:hover,
.page-news .news-item__title a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-news .news-item__title a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
}

.page-news .news-item__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--news-guide);
}

/* ---------- 专题研究板 ---------- */

.page-news .research-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-news .research-board {
  background: var(--news-paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: 26px 22px;
}

.page-news .board-part {
  padding: 18px 0;
  border-top: 1px dashed rgba(10, 22, 51, 0.3);
}

.page-news .board-part:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .board-part:last-child {
  padding-bottom: 0;
}

.page-news .board-part__num {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  background: var(--ink);
  color: var(--neon);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-news .board-part__title {
  margin: 0 0 7px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-news .board-part__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--line);
}

.page-news .research-aside__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--news-guide);
}

/* ---------- 周报与集锦 ---------- */

.page-news .weekly-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .weekly-col__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-news .weekly-col__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-guide);
}

.page-news .weekly-col__foot {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .weekly-col__foot a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 2px solid rgba(47, 243, 208, 0.4);
}

.page-news .weekly-col__foot a:hover,
.page-news .weekly-col__foot a:focus-visible {
  border-bottom-color: var(--neon);
  color: var(--white);
}

.page-news .clip-modes {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: clip;
}

.page-news .clip-mode {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px dashed var(--line);
}

.page-news .clip-mode:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-news .clip-mode__tag {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 2px solid var(--amber);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.page-news .clip-mode__name {
  margin: 2px 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-news .clip-mode__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-guide);
}

/* ---------- 术语表 ---------- */

.page-news .glossary-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  border: 2px solid var(--line-strong);
  background: var(--ink-2);
  padding: 26px 22px;
}

.page-news .glossary-lead__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(48px, 11vw, 92px);
  font-weight: 700;
  line-height: 0.95;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
  text-shadow: var(--glow-neon);
}

.page-news .glossary-lead__text {
  margin: 14px 0 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--news-guide);
}

.page-news .glossary-samples__line {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 2.1;
  color: var(--news-guide);
}

.page-news .glossary-samples__line:last-child {
  margin-bottom: 0;
}

.page-news .term {
  position: relative;
  display: inline-block;
  padding: 1px 6px;
  background: rgba(47, 243, 208, 0.1);
  border-bottom: 2px solid var(--neon);
  color: var(--white);
  font-weight: 600;
  cursor: help;
}

.page-news .term:focus {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-news .term__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: min(280px, 68vw);
  padding: 10px 12px;
  background: var(--ink-deep);
  border: 2px solid var(--neon);
  box-shadow: var(--shadow-hard);
  color: var(--white);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
  pointer-events: none;
  z-index: 6;
}

.page-news .term:hover .term__tip,
.page-news .term:focus .term__tip,
.page-news .term:focus-within .term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 订阅与推送 ---------- */

.page-news .subscribe-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .subscribe-num {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 20px;
  border: 2px solid var(--neon);
  background: rgba(47, 243, 208, 0.06);
}

.page-news .subscribe-num__value {
  font-family: var(--mono);
  font-size: clamp(42px, 9vw, 76px);
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.page-news .subscribe-num__label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--news-guide);
}

.page-news .alert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-news .alert-item {
  padding: 16px 0;
  border-top: 1px dashed var(--line);
}

.page-news .alert-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .alert-item__mark {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .alert-item__name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-news .alert-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-guide);
}

.page-news .subscribe-cta {
  padding-top: 24px;
  border-top: 2px solid var(--line);
}

.page-news .subscribe-cta__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--news-guide);
}

.page-news .subscribe-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 34px;
  }

  .page-news .news-item:nth-child(even) {
    transform: translateY(30px);
  }

  .page-news .glossary-panel {
    padding: 32px 30px;
  }

  .page-news .subscribe-num {
    justify-content: flex-start;
  }

  .page-news .alert-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 26px;
  }

  .page-news .alert-item {
    border-top: 2px solid var(--line);
    padding-top: 18px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 60px 0 44px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
  }

  .page-news .news-section {
    padding: 72px 0;
  }

  .page-news .news-hub {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .filter-rail {
    position: sticky;
    top: 78px;
    align-self: start;
  }

  .page-news .filter-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 12px;
  }

  .page-news .filter-pill {
    width: 100%;
  }

  .page-news .research-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: 48px;
  }

  .page-news .research-board {
    padding: 34px 32px;
  }

  .page-news .weekly-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 52px;
  }

  .page-news .glossary-panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    padding: 40px 38px;
  }

  .page-news .subscribe-panel {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
  }

  .page-news .subscribe-num {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 26px 24px;
  }

  .page-news .subscribe-cta {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__time--fresh::before {
    animation: none;
  }

  .page-news .filter-pill,
  .page-news .news-item::before,
  .page-news .term__tip,
  .page-news .news-item__title a {
    transition: none;
  }
}