.page-news {
  --news-strip-h: 210px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .breadcrumb {
  margin-bottom: 20px;
}

.page-news .news-masthead {
  display: grid;
  gap: 26px;
  padding-bottom: 24px;
}

.page-news .news-masthead__copy h1,
.page-news .news-title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ink-900);
}

.page-news .news-masthead__note {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate);
  max-width: 56ch;
}

.page-news .news-masthead__strip {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, var(--ink-700), var(--ink-900));
  box-shadow: var(--shadow-card);
  min-height: 170px;
}

.page-news .news-masthead__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center top;
}

.page-news .news-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-news .news-jump__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink-text);
  font-size: var(--fs-14);
  line-height: 1.5;
  text-decoration: none;
  transition: border-color .2s var(--ease-out), color .2s var(--ease-out), transform .2s var(--ease-out);
}

.page-news .news-jump__item .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--slate);
}

.page-news .news-jump__item:hover,
.page-news .news-jump__item:focus-visible {
  border-color: var(--amber);
  color: var(--ink-900);
  transform: translateY(-2px);
}

/* ---------- 通用区块 ---------- */
.page-news .news-section {
  margin-top: 50px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.page-news .section-head__index {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--slate);
}

.page-news .section-head__index::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--orange);
}

.page-news .section-head__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .section-head__lead {
  margin: 0;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--ink-text);
}

/* ---------- 标签体系 ---------- */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: var(--fs-12);
  font-weight: 500;
  line-height: 1.7;
  white-space: nowrap;
}

.page-news .tag--notice {
  color: var(--orange-deep);
  background: rgba(255, 107, 53, .14);
  border-color: rgba(255, 107, 53, .45);
}

.page-news .tag--download {
  color: var(--cyan-deep);
  background: rgba(53, 214, 200, .15);
  border-color: rgba(53, 214, 200, .5);
}

.page-news .tag--consult {
  color: var(--amber-deep);
  background: rgba(240, 180, 75, .2);
  border-color: rgba(240, 180, 75, .55);
}

.page-news .tag--feedback {
  color: var(--brick);
  background: rgba(179, 58, 27, .12);
  border-color: rgba(179, 58, 27, .4);
}

/* ---------- 筛选条 ---------- */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 18px;
}

.page-news .filter-bar__btn {
  padding: 6px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-text);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.6;
  cursor: pointer;
  transition: background-color .2s var(--ease-out), color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-news .filter-bar__btn:hover {
  border-color: var(--ink-600);
}

.page-news .filter-bar__btn[aria-pressed="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-news .filter-empty {
  margin: 0 0 18px;
  padding: 12px 16px;
  border-left: 3px solid var(--amber);
  background: var(--paper-2);
  font-size: var(--fs-14);
  color: var(--ink-text);
}

/* ---------- 时间线 ---------- */
.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .tl-item {
  background: var(--paper-2);
  border-left: 3px solid var(--slate);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  transition: background-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}

.page-news .tl-item--notice { border-left-color: var(--orange); }
.page-news .tl-item--download { border-left-color: var(--cyan); }
.page-news .tl-item--consult { border-left-color: var(--amber); }
.page-news .tl-item--feedback { border-left-color: var(--brick); }

.page-news .tl-item:hover,
.page-news .tl-item:focus-within {
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-news .tl-entry > .tl-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
}

.page-news .tl-entry > .tl-entry__head::-webkit-details-marker {
  display: none;
}

.page-news .tl-entry__time {
  flex: 0 0 62px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .03em;
  color: var(--slate);
  white-space: nowrap;
}

.page-news .tl-entry__tag {
  flex: 0 0 auto;
}

.page-news .tl-entry__title {
  flex: 1 1 220px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-18);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--ink-900);
}

.page-news .tl-entry__toggle {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color .24s var(--ease-out);
}

.page-news .tl-entry__toggle::before,
.page-news .tl-entry__toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--slate);
  border-radius: 1px;
}

.page-news .tl-entry__toggle::before {
  width: 8px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-news .tl-entry__toggle::after {
  width: 1.5px;
  height: 8px;
  transform: translate(-50%, -50%);
  transition: transform .24s var(--ease-out), opacity .24s var(--ease-out);
}

.page-news .tl-entry[open] .tl-entry__toggle {
  border-color: var(--cyan);
}

.page-news .tl-entry[open] .tl-entry__toggle::before {
  background: var(--cyan-deep);
}

.page-news .tl-entry[open] .tl-entry__toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-news .tl-entry__body {
  padding: 2px 16px 16px;
  animation: news-expand .24s var(--ease-out);
}

.page-news .tl-entry__body p {
  margin: 0 0 9px;
  max-width: 64ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--ink-text);
}

.page-news .tl-entry__body p:last-child {
  margin-bottom: 0;
}

.page-news .tl-entry__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--slate);
}

.page-news .tl-entry__link {
  display: inline-block;
  margin-top: 4px;
  font-size: var(--fs-14);
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes news-expand {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 移动端公告 ---------- */
.page-news .news-mobile__card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 26px;
  padding: 26px 22px;
  border: 1px solid var(--orange);
  border-radius: var(--radius-l);
  background: var(--ink-900);
  box-shadow: var(--shadow-card);
}

.page-news .news-mobile__card::before {
  content: "";
  position: absolute;
  inset: -30% 45% 55% -25%;
  background: radial-gradient(closest-side, rgba(53, 214, 200, .2), transparent 72%);
  pointer-events: none;
}

.page-news .news-mobile__copy {
  position: relative;
  z-index: 1;
}

.page-news .news-mobile__title {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 5.6vw, 38px);
  line-height: 1.12;
  color: var(--paper);
}

.page-news .news-mobile__lead {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper-2);
}

.page-news .news-mobile__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-mobile__list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--paper-2);
}

.page-news .news-mobile__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-news .news-mobile__timing {
  margin: 20px 0 22px;
  padding-left: 14px;
  border-left: 2px solid rgba(255, 107, 53, .7);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--slate-lift);
  max-width: 60ch;
}

.page-news .news-mobile__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius-m);
  aspect-ratio: 3 / 4;
  background: linear-gradient(180deg, var(--ink-700), var(--ink-900));
}

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

.page-news .eyebrow--on-dark {
  color: var(--orange);
}

/* ---------- 维护记录 ---------- */
.page-news .news-ruler {
  margin: 0 0 24px;
  overflow: hidden;
  border-radius: var(--radius-m);
  background: var(--ink-800);
}

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

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

.page-news .maint-list li {
  display: grid;
  gap: 5px;
  padding: 15px 0 15px 12px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: border-color .2s var(--ease-out), background-color .2s var(--ease-out);
}

.page-news .maint-list li:hover {
  border-left-color: var(--orange);
  background: var(--paper-2);
}

.page-news .maint-list__kind {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--orange-deep);
}

.page-news .maint-list__desc {
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink-text);
}

.page-news .maint-list__scope {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--slate);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series-cover {
  margin: 0 0 22px;
  overflow: hidden;
  border-radius: var(--radius-m);
  background: var(--ink-800);
}

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

.page-news .series-grid {
  display: grid;
  gap: 16px;
}

.page-news .series-item {
  padding: 18px 20px 20px;
  border-left: 5px solid var(--ink-900);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: var(--paper-2);
  box-shadow: var(--shadow-card);
}

.page-news .series-item:nth-child(2) { border-left-color: var(--cyan); }
.page-news .series-item:nth-child(3) { border-left-color: var(--amber); }
.page-news .series-item:nth-child(4) { border-left-color: var(--brick); }

.page-news .series-item__idx {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--slate);
}

.page-news .series-item__title {
  margin: 0 0 10px;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: var(--fs-24);
  line-height: 1.3;
  color: var(--ink-900);
}

.page-news .series-item__desc {
  margin: 0 0 14px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink-text);
}

.page-news .series-item__link {
  display: inline-block;
  font-size: var(--fs-14);
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 回看与跟进 ---------- */
.page-news .revisit-grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-news .revisit-copy p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-text);
}

.page-news .revisit-copy p:last-child {
  margin-bottom: 0;
}

.page-news .revisit-card {
  align-self: start;
  padding: 22px 22px 24px;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius-l);
  background: var(--ink-800);
}

.page-news .revisit-card__text {
  margin: 10px 0 18px;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--paper-2);
}

.page-news .revisit-card__label {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--slate-lift);
}

.page-news .revisit-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-news .revisit-card__note {
  margin: 0 0 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate-lift);
}

.page-news .revisit-card .btn {
  position: relative;
  z-index: 1;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 620px) {
  .page-news .tl-entry__time { order: 1; flex: 0 0 auto; }
  .page-news .tl-entry__tag { order: 2; }
  .page-news .tl-entry__toggle { order: 3; }
  .page-news .tl-entry__title {
    order: 4;
    flex: 1 1 100%;
    font-size: var(--fs-16);
  }
  .page-news .news-mobile__card { padding: 22px 18px; }
  .page-news .news-mobile__figure { aspect-ratio: 4 / 3; }
}

/* ---------- 宽屏排布 ---------- */
@media (min-width: 720px) {
  .page-news .maint-list li {
    grid-template-columns: 132px minmax(0, 1fr) 112px;
    align-items: baseline;
    gap: 22px;
    padding: 16px 0 16px 16px;
  }
  .page-news .maint-list__scope { text-align: right; }
}

@media (min-width: 880px) {
  .page-news {
    --news-strip-h: 100%;
  }

  .page-news .news-masthead {
    grid-template-columns: minmax(0, 1fr) 232px;
    align-items: stretch;
    gap: 46px;
    padding-bottom: 30px;
  }

  .page-news .news-masthead__strip {
    min-height: 380px;
  }

  .page-news .news-mobile__card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: center;
    gap: 40px;
    padding: 38px 40px;
  }

  .page-news .news-mobile__figure {
    aspect-ratio: 3 / 4;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
  }

  .page-news .series-item:nth-child(even) {
    margin-top: 30px;
  }

  .page-news .revisit-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 42px;
  }
}

@media (min-width: 1180px) {
  .page-news .news-masthead {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-entry__body { animation: none; }
  .page-news .news-jump__item:hover,
  .page-news .news-jump__item:focus-visible { transform: none; }
  .page-news .tl-entry__toggle::after { transition: none; }
}