.page-news {
  --tl-no: 3.5rem;
  --tl-gap: 1rem;
  background: var(--moon);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .news-section,
.page-news .entry {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-block: clamp(2rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 2.5rem);
  background:
    linear-gradient(180deg, rgba(31, 78, 95, .07), rgba(31, 78, 95, 0) 68%),
    var(--moon);
  border-bottom: 1px solid var(--ink-line);
}

.page-news .news-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
}

.page-news .news-crumb li {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.page-news .news-crumb li + li::before {
  content: "/";
  color: var(--mist);
}

.page-news .news-crumb a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-line-strong);
}

.page-news .news-crumb a:hover {
  color: var(--cinnabar-deep);
  border-color: var(--cinnabar);
}

.page-news .news-crumb [aria-current="page"] {
  color: var(--ink);
}

.page-news .news-hero h1 {
  margin: .7rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.6vw, var(--fs-56));
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 16em;
}

.page-news .news-hero__lead {
  margin: clamp(1rem, 2.5vw, 1.4rem) 0 0;
  max-width: 34em;
  font-size: var(--fs-17);
  line-height: 1.9;
  color: var(--ink);
}

.page-news .news-jump {
  display: grid;
  gap: 0;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-line-strong);
}

.page-news .news-jump__link {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--ink-line);
  text-decoration: none;
  color: var(--ink);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-news .news-jump__link:hover {
  color: var(--cinnabar-deep);
  padding-left: .5rem;
}

.page-news .news-jump__no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--ochre);
}

.page-news .news-jump__text {
  font-family: var(--font-display);
  font-size: var(--fs-17);
  font-weight: 800;
}

@media (min-width: 760px) {
  .page-news .news-jump {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 clamp(1.25rem, 3vw, 2.5rem);
  }
}

/* ---------- 宽幅视觉 ---------- */

.page-news .news-banner {
  margin: 0;
  padding-block: clamp(1.75rem, 4vw, 3rem);
}

.page-news .frame-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ink-line-strong);
  background: var(--paper);
}

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

.page-news .news-banner .frame-media {
  aspect-ratio: 16 / 9;
}

.page-news .news-banner .frame-media img {
  aspect-ratio: 16 / 9;
}

@media (min-width: 760px) {
  .page-news .news-banner .frame-media,
  .page-news .news-banner .frame-media img {
    aspect-ratio: 8 / 3;
  }
}

.page-news .frame-media__caption {
  margin: .6rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--ink-soft);
}

/* ---------- 主体两栏 ---------- */

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3rem);
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(3rem, 8vw, 6rem);
}

@media (min-width: 900px) {
  .page-news {
    --tl-no: 4.5rem;
    --tl-gap: 1.5rem;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(210px, 26%) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }
}

.page-news .news-rail {
  min-width: 0;
}

.page-news .news-rail__stick {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .page-news .news-rail__stick {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

.page-news .filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .75rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .filter-chip {
  display: inline-block;
  padding: .45rem .8rem;
  border: 1px solid var(--ink-line-strong);
  background: var(--paper);
  color: var(--ink);
  font-size: var(--fs-13);
  letter-spacing: .02em;
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--moon);
}

.page-news .news-rail__block--beat {
  padding: 1.1rem 1.15rem 1.35rem;
  border-left: 3px solid var(--ochre);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.page-news .news-rail__block--beat p {
  margin: .6rem 0 0;
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--ink);
}

.page-news .news-rail__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .05em;
  color: var(--ink-soft);
}

.page-news .news-flow {
  display: grid;
  gap: clamp(3.5rem, 9vw, 6.5rem);
  min-width: 0;
}

.page-news .news-section {
  min-width: 0;
}

.page-news .section-head {
  max-width: 40em;
}

.page-news .section-head__title {
  margin: .55rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--ink-line-strong);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, var(--fs-34));
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-news .section-head__lead {
  margin: .85rem 0 0;
  font-size: var(--fs-17);
  line-height: 1.9;
  color: var(--ink);
}

/* ---------- 节奏 ---------- */

.page-news .rhythm-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}

@media (min-width: 680px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .rhythm-cell {
  background: var(--moon);
  padding: clamp(1.15rem, 3vw, 1.6rem);
}

.page-news .rhythm-cell__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, var(--fs-56));
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--dai);
}

.page-news .rhythm-cell__num span {
  margin-left: .2em;
  font-size: .3em;
  font-weight: 700;
  color: var(--ink-soft);
  letter-spacing: 0;
}

.page-news .rhythm-cell__label {
  margin: .7rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .05em;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 时间轴 ---------- */

.page-news .news-timeline {
  position: relative;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  top: .6rem;
  bottom: .6rem;
  left: var(--tl-no);
  width: 1px;
  background: var(--ink-line-strong);
}

.page-news .entry {
  display: grid;
  grid-template-columns: var(--tl-no) minmax(0, 1fr);
  gap: 0 var(--tl-gap);
  padding-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

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

.page-news .entry__no {
  margin: 0;
  padding-top: .2rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  line-height: 1.4;
  color: var(--ochre);
  text-align: right;
  white-space: nowrap;
}

.page-news .entry__body {
  position: relative;
  min-width: 0;
}

.page-news .entry__body::before {
  content: "";
  position: absolute;
  top: .45rem;
  left: calc(-1 * var(--tl-gap));
  width: 9px;
  height: 9px;
  background: var(--ochre);
  transform: translateX(-50%);
}

.page-news .entry--latest .entry__body::before {
  background: var(--cinnabar);
}

@media (min-width: 900px) {
  .page-news .entry:nth-child(even) .entry__body {
    padding-left: clamp(.75rem, 2vw, 1.75rem);
  }
}

.page-news .entry__meta {
  display: flex;
  align-items: center;
  gap: .625rem;
  margin: 0;
}

.page-news .entry__cat {
  display: inline-block;
  padding: .15rem .5rem;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  line-height: 1.6;
}

.page-news .entry__cat--search { color: var(--dai); }
.page-news .entry__cat--taxonomy { color: var(--ochre); }
.page-news .entry__cat--help { color: var(--moss); }
.page-news .entry__cat--platform { color: var(--cinnabar-deep); }

.page-news .entry__title {
  margin: .65rem 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.page-news .entry__note {
  margin: .45rem 0 0;
  max-width: 34em;
  font-size: var(--fs-17);
  line-height: 1.9;
  color: var(--ink);
}

.page-news .entry__more {
  margin-top: .7rem;
}

.page-news .entry__more > summary {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .3rem 0;
  border-bottom: 1px solid var(--cinnabar);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--cinnabar-deep);
}

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

.page-news .entry__more > summary::before {
  content: "＋";
  font-size: .95em;
  line-height: 1;
}

.page-news .entry__more[open] > summary::before {
  content: "－";
}

.page-news .entry__more > p {
  margin: .8rem 0 0;
  padding-left: .9rem;
  border-left: 2px solid var(--ochre);
  max-width: 34em;
  font-size: var(--fs-13);
  line-height: 1.9;
  color: var(--ink-soft);
}

/* ---------- 路径对比 ---------- */

.page-news .path-figure {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
}

.page-news .path-figure .frame-media img {
  aspect-ratio: 15 / 8;
}

.page-news .path-board {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .path-board__tag {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--ink-soft);
}

.page-news .path-steps {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .path-step {
  position: relative;
  padding: .55rem .85rem;
  border: 1px solid var(--ink-line-strong);
  background: var(--paper);
  font-size: var(--fs-13);
  line-height: 1.45;
  color: var(--ink);
}

.page-news .path-step + .path-step::before {
  content: "→";
  position: absolute;
  left: -.75rem;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--fs-13);
  line-height: 1;
  color: var(--mist);
}

.page-news .path-step--dropped {
  border-style: dashed;
  color: var(--ink-soft);
  background:
    repeating-linear-gradient(135deg, rgba(140, 90, 60, .10) 0 6px, transparent 6px 12px),
    var(--moon);
}

.page-news .path-step--dropped::after {
  content: "";
  position: absolute;
  left: .55rem;
  right: .55rem;
  top: 50%;
  height: 1px;
  background: var(--ochre);
}

.page-news .path-board__row--new .path-step {
  border-color: var(--ink);
  box-shadow: var(--shadow-1);
}

.page-news .path-board__row--new .path-step:last-child {
  background: var(--dai-deep);
  border-color: var(--dai-deep);
  color: var(--moon);
}

.page-news .path-note {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding-left: .9rem;
  border-left: 3px solid var(--cinnabar);
  max-width: 40em;
  font-size: var(--fs-13);
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-news .path-note a {
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
}

.page-news .path-note a:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- 通用双栏 ---------- */

.page-news .news-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  align-items: start;
}

@media (min-width: 780px) {
  .page-news .news-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-news .news-split .frame-media img {
  aspect-ratio: 25 / 16;
}

/* ---------- 分类标签 ---------- */

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

.page-news .tax-item {
  padding: 1.1rem 0 1.25rem;
  border-bottom: 1px solid var(--ink-line);
}

.page-news .tax-item__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--ochre);
}

.page-news .tax-item__title {
  margin: .45rem 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.3;
}

.page-news .tax-item__text {
  margin: .4rem 0 0;
  max-width: 34em;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 帮助文档 ---------- */

.page-news .doc-stats {
  display: grid;
  gap: 1px;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}

@media (min-width: 620px) {
  .page-news .doc-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .doc-stat {
  margin: 0;
  padding: 1.1rem 1.2rem;
  background: var(--paper);
}

.page-news .doc-stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-34);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--dai);
}

.page-news .doc-stat__label {
  display: block;
  margin-top: .5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .05em;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .scene-list {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-line-strong);
}

.page-news .scene-item {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: .5rem .75rem;
  padding: 1rem 0 1.15rem;
  border-bottom: 1px solid var(--ink-line);
}

.page-news .scene-item__no {
  padding-top: .25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--ochre);
}

.page-news .scene-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-17);
  font-weight: 800;
  line-height: 1.5;
}

.page-news .scene-item__text {
  margin: .35rem 0 0;
  max-width: 34em;
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .link-row {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
}

.page-news .link-more {
  display: inline-block;
  padding-bottom: .2rem;
  border-bottom: 1px solid var(--cinnabar);
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .04em;
  color: var(--cinnabar-deep);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .link-more:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- 平台动态 ---------- */

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

.page-news .ops-item {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: .5rem 1rem;
  padding: 1rem 0 1.15rem;
  border-bottom: 1px solid var(--ink-line);
}

.page-news .ops-item__key {
  margin: 0;
  padding-top: .25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--ochre);
}

.page-news .ops-item__text {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 反馈与查看 ---------- */

.page-news .feedback-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}

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

.page-news .feedback-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: var(--moon);
  border-top: 3px solid var(--ink-line);
  color: var(--ink);
  text-decoration: none;
  transition: background-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-news .feedback-card:hover {
  background: var(--paper);
  border-top-color: var(--cinnabar);
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}

.page-news .feedback-card__kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--ochre);
}

.page-news .feedback-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.35;
}

.page-news .feedback-card__text {
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .feedback-note {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding-left: .9rem;
  border-left: 3px solid var(--ochre);
  max-width: 40em;
  font-size: var(--fs-13);
  line-height: 1.9;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  letter-spacing: .03em;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feedback-card,
  .page-news .filter-chip,
  .page-news .news-jump__link,
  .page-news .link-more {
    transition: none;
  }

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