.page-news {
  --news-rail-w: 244px;
  --news-hair: rgba(143, 169, 173, 0.45);
  --news-hair-strong: rgba(143, 169, 173, 0.7);
  background: var(--c-snow);
  color: var(--c-ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 48px) 0 clamp(36px, 5vw, 64px);
  background:
    repeating-linear-gradient(90deg, rgba(191, 227, 232, 0.1) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(191, 227, 232, 0.07) 0 1px, transparent 1px 72px),
    radial-gradient(90% 70% at 88% 2%, rgba(23, 107, 135, 0.62), transparent 62%),
    linear-gradient(165deg, var(--c-indigo) 0%, var(--c-indigo-deep) 100%);
  color: var(--c-snow);
}

.page-news .news-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 4vw, 38px);
  font-size: 13px;
  color: var(--c-shallow);
}

.page-news .news-hero__crumb a {
  color: var(--c-shallow);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.page-news .news-hero__crumb a:hover {
  color: var(--c-snow);
  border-bottom-color: var(--c-gold);
}

.page-news .news-hero__crumb .breadcrumb__sep {
  color: rgba(191, 227, 232, 0.55);
}

.page-news .news-hero__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold-soft);
}

.page-news .news-hero__title {
  max-width: 22ch;
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.6vw, 66px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-news .news-hero__lead {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(247, 250, 249, 0.86);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px clamp(24px, 5vw, 56px);
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid rgba(191, 227, 232, 0.28);
}

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

.page-news .news-stat__num {
  font-size: 30px;
  line-height: 1;
  color: var(--c-gold);
}

.page-news .news-stat__label {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(247, 250, 249, 0.72);
}

.page-news .news-hero__figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid rgba(191, 227, 232, 0.26);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(191, 227, 232, 0.08);
}

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

/* ---------- 索引与时间轴 ---------- */
.page-news .news-index {
  padding: clamp(40px, 6vw, 78px) 0;
}

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

.page-news .news-rail {
  padding: 20px 18px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(191, 227, 232, 0.34), rgba(247, 250, 249, 0.92));
}

.page-news .news-rail__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--c-indigo);
}

.page-news .news-rail__note {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(19, 47, 58, 0.72);
}

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

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

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--news-hair-strong);
  border-radius: var(--radius-pill);
  background: rgba(247, 250, 249, 0.7);
  font-size: 13.5px;
  color: var(--c-lake-deep);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.page-news .news-tag:hover {
  border-color: var(--c-lake);
  color: var(--c-lake);
}

.page-news .news-rail__cta {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

.page-news:has(#news-f-all:checked) [for="news-f-all"],
.page-news:has(#news-f-version:checked) [for="news-f-version"],
.page-news:has(#news-f-document:checked) [for="news-f-document"],
.page-news:has(#news-f-experience:checked) [for="news-f-experience"],
.page-news:has(#news-f-service:checked) [for="news-f-service"] {
  background: var(--c-lake);
  border-color: var(--c-lake);
  color: var(--c-snow);
}

.page-news:has(#news-f-version:checked) .news-post:not([data-cat~="version"]),
.page-news:has(#news-f-document:checked) .news-post:not([data-cat~="document"]),
.page-news:has(#news-f-experience:checked) .news-post:not([data-cat~="experience"]),
.page-news:has(#news-f-service:checked) .news-post:not([data-cat~="service"]) {
  display: none;
}

.page-news #news-f-all:focus-visible ~ .news-rail__tags [for="news-f-all"],
.page-news #news-f-version:focus-visible ~ .news-rail__tags [for="news-f-version"],
.page-news #news-f-document:focus-visible ~ .news-rail__tags [for="news-f-document"],
.page-news #news-f-experience:focus-visible ~ .news-rail__tags [for="news-f-experience"],
.page-news #news-f-service:focus-visible ~ .news-rail__tags [for="news-f-service"] {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-news .news-stream__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: -0.015em;
  color: var(--c-indigo);
}

.page-news .news-stream__lead {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(19, 47, 58, 0.72);
}

.page-news .news-timeline {
  position: relative;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 14px;
  width: 1px;
  background: var(--news-hair);
}

.page-news .news-post {
  position: relative;
  padding: 0 0 16px 30px;
}

.page-news .news-post::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--c-gold);
  border-radius: 50%;
  background: var(--c-snow);
}

.page-news .news-post--current::before {
  border-color: var(--c-lake);
  background: var(--c-lake);
  box-shadow: 0 0 0 4px rgba(23, 107, 135, 0.16);
}

.page-news .news-post__box {
  border: 1px solid var(--news-hair);
  border-radius: 14px;
  background: var(--c-snow);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-news .news-post__box[open] {
  border-color: rgba(23, 107, 135, 0.42);
  box-shadow: 0 14px 34px -26px rgba(11, 46, 79, 0.7);
}

.page-news .news-post__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
}

.page-news .news-post__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-post__no {
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--c-lake);
}

.page-news .news-post__head {
  display: flex;
  flex: 1 1 200px;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .news-post__meta {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-salt);
}

.page-news .news-post__title {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-indigo);
}

.page-news .news-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .news-post__tag {
  padding: 3px 10px;
  border: 1px solid rgba(143, 169, 173, 0.4);
  border-radius: var(--radius-pill);
  background: rgba(191, 227, 232, 0.55);
  font-size: 12px;
  color: var(--c-lake-deep);
}

.page-news .news-post__body {
  padding: 14px 16px 18px;
  border-top: 1px solid rgba(143, 169, 173, 0.3);
}

.page-news .news-post__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(19, 47, 58, 0.86);
}

.page-news .news-post__hint {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--c-salt);
}

/* ---------- 区块标题通用 ---------- */
.page-news .news-section-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-section-head__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-lake);
}

.page-news .news-section-head__no--light {
  color: var(--c-gold-soft);
}

.page-news .news-section-head h2,
.page-news .news-taxonomy__text h2,
.page-news .news-subscribe__text h2,
.page-news .news-archive__head h2,
.page-news .news-mobile__text h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.018em;
  color: var(--c-indigo);
}

.page-news .news-section-head__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(19, 47, 58, 0.76);
}

/* ---------- 动态摘要 ---------- */
.page-news .news-digest {
  padding: clamp(40px, 6vw, 74px) 0;
  background: var(--c-mist);
}

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

.page-news .news-digest__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 16px 2px;
  border-top: 1px solid rgba(143, 169, 173, 0.4);
}

.page-news .news-digest__item:last-child {
  border-bottom: 1px solid rgba(143, 169, 173, 0.4);
}

.page-news .news-digest__label {
  padding: 2px 9px;
  border: 1px solid rgba(23, 107, 135, 0.35);
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  color: var(--c-lake);
}

.page-news .news-digest__text {
  flex: 1 1 240px;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-news .news-digest__when {
  font-size: 12px;
  color: var(--c-salt);
}

/* ---------- 标签体系 ---------- */
.page-news .news-taxonomy {
  padding: clamp(40px, 6vw, 80px) 0;
}

.page-news .news-taxonomy__inner {
  display: grid;
  gap: clamp(26px, 4vw, 50px);
}

.page-news .news-taxonomy__lead {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(19, 47, 58, 0.78);
}

.page-news .news-taxonomy__list {
  margin: 0;
}

.page-news .news-taxonomy__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-taxonomy__row dt {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-lake);
}

.page-news .news-taxonomy__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(19, 47, 58, 0.8);
}

.page-news .news-taxonomy__figure {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-card);
  background: linear-gradient(160deg, rgba(191, 227, 232, 0.38), rgba(247, 250, 249, 0.95));
}

.page-news .news-taxonomy__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}

.page-news .news-taxonomy__figure .media__caption {
  margin: 12px 2px 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-salt);
}

/* ---------- 订阅 ---------- */
.page-news .news-subscribe {
  padding: clamp(40px, 6vw, 80px) 0;
  background: linear-gradient(180deg, var(--c-snow) 0%, rgba(191, 227, 232, 0.56) 100%);
}

.page-news .news-subscribe__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-news .news-subscribe__lead {
  margin: 0 0 8px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(19, 47, 58, 0.8);
}

.page-news .news-pref {
  position: relative;
  margin-top: 20px;
}

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

.page-news .news-pref__switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--news-hair-strong);
  border-radius: var(--radius-pill);
  background: rgba(247, 250, 249, 0.8);
}

.page-news .news-pref__opt {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--c-ink);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}

.page-news #pref-weekly:checked ~ .news-pref__switch [for="pref-weekly"],
.page-news #pref-version:checked ~ .news-pref__switch [for="pref-version"] {
  background: var(--c-lake);
  color: var(--c-snow);
  box-shadow: 0 8px 18px -12px rgba(11, 46, 79, 0.9);
}

.page-news #pref-weekly:focus-visible ~ .news-pref__switch [for="pref-weekly"],
.page-news #pref-version:focus-visible ~ .news-pref__switch [for="pref-version"] {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-news .news-pref__panel {
  display: none;
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--c-gold);
  border-radius: 0 12px 12px 0;
  background: rgba(247, 250, 249, 0.82);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(19, 47, 58, 0.85);
}

.page-news #pref-weekly:checked ~ .news-pref__panels .news-pref__panel--weekly,
.page-news #pref-version:checked ~ .news-pref__panels .news-pref__panel--version {
  display: block;
}

.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-subscribe__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-salt);
}

.page-news .news-subscribe__figure {
  margin: 0;
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(247, 250, 249, 0.9);
}

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

/* ---------- 往期归档 ---------- */
.page-news .news-archive {
  padding: clamp(40px, 6vw, 80px) 0;
  background:
    repeating-linear-gradient(90deg, rgba(191, 227, 232, 0.08) 0 1px, transparent 1px 80px),
    linear-gradient(170deg, var(--c-indigo) 0%, var(--c-indigo-deep) 100%);
  color: var(--c-snow);
}

.page-news .news-archive__head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-news .news-archive__head h2 {
  color: var(--c-snow);
}

.page-news .news-archive__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(247, 250, 249, 0.78);
}

.page-news .news-archive__body {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

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

.page-news .news-archive__group {
  border-bottom: 1px solid rgba(191, 227, 232, 0.26);
}

.page-news .news-archive__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 15px 2px;
  list-style: none;
  cursor: pointer;
}

.page-news .news-archive__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-archive__range {
  font-size: 14px;
  color: var(--c-gold-soft);
}

.page-news .news-archive__name {
  flex: 1 1 200px;
  font-size: 15px;
  color: var(--c-snow);
}

.page-news .news-archive__count {
  font-size: 12px;
  color: rgba(191, 227, 232, 0.75);
}

.page-news .news-archive__list {
  margin: 0 0 16px;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 1px solid rgba(191, 227, 232, 0.3);
}

.page-news .news-archive__list li {
  position: relative;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 250, 249, 0.8);
}

.page-news .news-archive__list li::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-gold);
}

.page-news .news-archive__figure {
  margin: 0;
  border: 1px solid rgba(191, 227, 232, 0.26);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(191, 227, 232, 0.08);
}

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

/* ---------- 手机阅读 ---------- */
.page-news .news-mobile {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-news .news-mobile__text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(19, 47, 58, 0.82);
}

.page-news .news-mobile__links {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-linkcard {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--news-hair);
  border-radius: 14px;
  background: rgba(191, 227, 232, 0.28);
  text-decoration: none;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.page-news .news-linkcard:hover {
  border-color: var(--c-lake);
  background: rgba(191, 227, 232, 0.48);
  transform: translateY(-2px);
}

.page-news .news-linkcard__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-indigo);
}

.page-news .news-linkcard__desc {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(19, 47, 58, 0.7);
}

.page-news .news-mobile__back {
  margin: 26px 0 0;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-taxonomy__inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-news .news-taxonomy__row {
    grid-template-columns: 96px 1fr;
    align-items: baseline;
    gap: 16px;
  }

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

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }

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

  .page-news .news-rail__tags {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .news-tag {
    justify-content: space-between;
  }

  .page-news .news-post__summary {
    flex-wrap: nowrap;
    align-items: baseline;
  }

  .page-news .news-post__tags {
    flex: 0 0 auto;
  }

  .page-news .news-subscribe__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-news .news-archive__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-news .news-mobile {
    display: grid;
  }

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

  .page-news .news-mobile__links {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tag,
  .page-news .news-linkcard,
  .page-news .news-post__box,
  .page-news .news-hero__crumb a,
  .page-news .news-pref__opt {
    transition: none;
  }

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