.page-news {
  --news-sticky-offset: 72px;
  background: var(--ink);
  color: var(--silver);
  padding-bottom: 8px;
}

@media (min-width: 960px) {
  .page-news {
    --news-sticky-offset: 84px;
  }
}

/* 面包屑 */
.page-news .notes-crumb {
  padding: 20px 0 0;
  font-size: var(--fs-14);
}

.page-news .notes-crumb__nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--stone-soft);
}

.page-news .notes-crumb__nav a {
  color: var(--stone-soft);
  text-decoration: none;
  transition: color var(--speed);
}

.page-news .notes-crumb__nav a:hover,
.page-news .notes-crumb__nav a:focus-visible {
  color: var(--accent);
}

.page-news .notes-crumb__sep {
  color: var(--stone);
}

.page-news .notes-crumb__current {
  color: var(--silver);
}

/* 章节通用 */
.page-news .section {
  padding: var(--gap-block) 0;
}

.page-news .notes-head {
  max-width: 52em;
  margin-bottom: 32px;
}

.page-news .notes-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.3;
  color: var(--white);
}

.page-news .notes-head p {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--silver);
}

/* 首屏 */
.page-news .notes-hero {
  padding: clamp(32px, 5vw, 56px) 0 var(--gap-block);
}

.page-news .notes-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.6vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 22em;
}

.page-news .notes-hero__lead {
  margin: 20px 0 0;
  max-width: 38em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--silver);
}

.page-news .notes-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.page-news .notes-hero__banner {
  margin: 40px 0 0;
  aspect-ratio: 2 / 1;
  border: 1px solid var(--hair-strong);
  overflow: hidden;
}

.page-news .notes-hero__banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .notes-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin: 36px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--hair-strong);
}

.page-news .notes-hero__stat dt {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--stone-soft);
}

.page-news .notes-hero__stat dd {
  margin: 6px 0 0;
  font-size: var(--fs-18);
  font-weight: 600;
  color: var(--white);
}

/* 专题导览 */
.page-news .topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .page-news .topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-news .topics-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .topic-card {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--ink-2);
  border: 1px solid var(--hair-strong);
  border-top: 3px solid var(--clay);
  transition: border-top-color var(--speed), transform var(--speed);
}

.page-news .topic-card:hover {
  border-top-color: var(--accent);
  transform: translateY(-2px);
}

.page-news .topic-card__index {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 12px;
}

.page-news .topic-card h3 {
  margin: 0 0 10px;
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--white);
}

.page-news .topic-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--silver);
}

.page-news .topics-figure {
  margin: 32px 0 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--hair-strong);
  overflow: hidden;
}

.page-news .topics-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 筛选带 */
.page-news .notes-filter {
  position: sticky;
  top: var(--news-sticky-offset);
  z-index: 20;
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  margin: 0 0 28px;
  background: rgba(14, 27, 51, 0.86);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.page-news .notes-filter::-webkit-scrollbar {
  display: none;
}

.page-news .notes-filter__chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--hair-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--silver);
  font-size: var(--fs-14);
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--speed), border-color var(--speed), background var(--speed);
}

.page-news .notes-filter__chip:hover,
.page-news .notes-filter__chip:focus-visible {
  border-color: var(--accent);
  color: var(--white);
}

.page-news .notes-filter__chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
  font-weight: 700;
}

/* 笔记卡流 */
.page-news .notes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 720px) {
  .page-news .notes-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-news .note-card {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  background: var(--paper);
  color: var(--paper-ink);
  border: 1px solid var(--silver);
  transition: border-color var(--speed);
}

.page-news .note-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 18px solid var(--ink);
  border-left: 18px solid transparent;
  pointer-events: none;
}

.page-news .note-card:hover {
  border-color: var(--clay);
}

.page-news .note-card__rail {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 16px 0;
  background: var(--ink-deep);
  border-right: 1px solid var(--silver);
}

.page-news .note-card__tag {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 12px 5px;
  background: var(--clay);
  color: var(--ink);
  border-radius: 2px;
}

.page-news .note-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 18px;
  min-width: 0;
}

.page-news .note-card__title {
  margin: 0;
  font-size: var(--fs-18);
  font-weight: 800;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .note-card__excerpt {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--paper-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--speed);
}

.page-news .note-card:hover .note-card__excerpt,
.page-news .note-card:focus-within .note-card__excerpt {
  -webkit-line-clamp: 4;
}

.page-news .note-card__figure {
  display: block;
  margin: 4px 0 0;
  aspect-ratio: 5 / 3;
  border: 1px solid var(--silver);
  overflow: hidden;
}

.page-news .note-card__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .note-card__time {
  margin-top: auto;
  text-align: right;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--stone);
  font-variant-numeric: tabular-nums;
}

/* 成稿过程 */
.page-news .notes-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .page-news .notes-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 40px;
  }
}

.page-news .notes-flow__step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-top: 18px;
  border-top: 1px solid var(--hair-strong);
}

.page-news .notes-flow__num {
  display: block;
  font-size: var(--fs-24);
  line-height: 1;
  padding-top: 4px;
  color: var(--accent);
}

.page-news .notes-flow__step h3 {
  margin: 0 0 8px;
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--white);
}

.page-news .notes-flow__step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--silver);
}

/* 日志数字 */
.page-news .notes-log {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .page-news .notes-log {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }
}

.page-news .notes-log__text h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.3;
  color: var(--white);
  font-weight: 800;
}

.page-news .notes-log__text > p {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--silver);
  max-width: 40em;
}

.page-news .log-terms {
  margin: 24px 0 0;
  display: grid;
  gap: 20px;
}

.page-news .log-terms > div {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-left: 16px;
  border-left: 3px solid var(--clay);
}

.page-news .log-terms dt {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.page-news .log-terms dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--silver);
}

.page-news .notes-log__figure {
  margin: 0;
  aspect-ratio: 2 / 1;
  border: 1px solid var(--hair-strong);
  overflow: hidden;
}

.page-news .notes-log__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 回看与索取 */
.page-news .notes-recall {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 960px) {
  .page-news .notes-recall {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

.page-news .notes-recall__intro h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.3;
  color: var(--white);
  font-weight: 800;
}

.page-news .notes-recall__intro > p {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--silver);
}

.page-news .recall-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .recall-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hair);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--silver);
}

.page-news .recall-list .mono {
  color: var(--accent);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-news .recall-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .recall-card {
  display: block;
  padding: 22px;
  background: var(--ink-2);
  border: 1px solid var(--hair-strong);
  border-left: 3px solid var(--clay);
  text-decoration: none;
  color: var(--silver);
  transition: border-left-color var(--speed), background var(--speed);
}

.page-news .recall-card:hover,
.page-news .recall-card:focus-visible {
  border-left-color: var(--accent);
  background: var(--ink-deep);
}

.page-news .recall-card__title {
  display: block;
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--white);
}

.page-news .recall-card p {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--silver);
}

.page-news .recall-card__cta {
  display: inline-block;
  margin-top: 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--accent);
}

/* 降级：减少动效 */
@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .note-card,
  .page-news .recall-card {
    transition: none;
  }

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