.page-news {
  --rail: 104px;
  --rail-gap: 24px;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(18px, 3vw, 32px) 0 clamp(44px, 6vw, 76px);
  background:
    radial-gradient(90% 72% at 100% 0%, rgba(46, 196, 182, 0.20), rgba(46, 196, 182, 0) 62%),
    linear-gradient(180deg, var(--canvas) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--hairline);
}

.page-news .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-news .news-hero__top {
  max-width: 62ch;
}

.page-news .news-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ink);
}

.page-news .news-hero .lede {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.75;
  color: var(--ink-80);
}

.page-news .news-status {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(
    0 0,
    calc(100% - var(--notch)) 0,
    100% var(--notch),
    100% 100%,
    var(--notch) 100%,
    0 calc(100% - var(--notch))
  );
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-news .news-status__main {
  padding: clamp(22px, 3.5vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-news .news-status__stamp {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(251, 253, 252, 0.24);
}

.page-news .news-status__stamp .status-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 159, 28, 0.22);
  flex: none;
}

.page-news .news-status__batch {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--orange);
}

.page-news .news-status__when {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--teal-mist);
}

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

.page-news .news-status__list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(251, 253, 252, 0.88);
}

.page-news .news-status__list .mono {
  font-size: 0.72rem;
  color: var(--orange-soft);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-news .news-status__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 4px;
}

.page-news .news-status__link {
  font-size: 0.92rem;
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.18s ease-out;
}

.page-news .news-status__link:hover,
.page-news .news-status__link:focus-visible {
  color: var(--orange);
}

.page-news .news-status__figure {
  margin: 0;
  min-height: 190px;
  background:
    repeating-linear-gradient(120deg, rgba(168, 237, 228, 0.16) 0 8px, transparent 8px 18px),
    var(--teal-deep);
}

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

/* ---------- 批次时间轴 ---------- */
.page-news .news-log {
  padding: clamp(48px, 7vw, 92px) 0;
  background: var(--canvas);
}

.page-news .news-log__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.page-news .news-log__head h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-news .news-log__intro {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--ink-80);
  max-width: 60ch;
}

.page-news .news-log__figure {
  margin: 0;
  max-height: 168px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  background: var(--teal-mist);
}

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

.page-news .archive {
  margin-top: clamp(28px, 4vw, 46px);
}

.page-news .archive__banner {
  margin: 0 0 6px;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-news .archive__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 140px;
  object-fit: cover;
}

.page-news .archive__banner-cap {
  padding: 16px 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-80);
}

/* 分类筛选 */
.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .filter-bar {
  position: sticky;
  top: 64px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0 20px;
  padding: 10px 2px;
  overflow-x: auto;
  scrollbar-width: none;
  background: linear-gradient(180deg, rgba(234, 248, 245, 0.97), rgba(234, 248, 245, 0.9));
  border-bottom: 1px solid var(--hairline);
}

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

.page-news .filter-bar__label {
  flex: none;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-80);
  padding-right: 10px;
  border-right: 1px solid var(--hairline);
  margin-right: 2px;
}

.page-news .filter-chip {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.88rem;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition: background 0.18s ease-out, color 0.18s ease-out, border-color 0.18s ease-out, transform 0.18s ease-out;
}

.page-news .filter-chip:hover {
  border-color: var(--teal);
  transform: translateY(-1px);
}

.page-news .filter-chip__num {
  font-size: 0.72rem;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--teal-mist);
  color: var(--ink);
}

.page-news #cat-all:checked ~ .filter-bar [for="cat-all"],
.page-news #cat-version:checked ~ .filter-bar [for="cat-version"],
.page-news #cat-member:checked ~ .filter-bar [for="cat-member"],
.page-news #cat-event:checked ~ .filter-bar [for="cat-event"],
.page-news #cat-doc:checked ~ .filter-bar [for="cat-doc"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news #cat-all:checked ~ .filter-bar [for="cat-all"] .filter-chip__num,
.page-news #cat-version:checked ~ .filter-bar [for="cat-version"] .filter-chip__num,
.page-news #cat-member:checked ~ .filter-bar [for="cat-member"] .filter-chip__num,
.page-news #cat-event:checked ~ .filter-bar [for="cat-event"] .filter-chip__num,
.page-news #cat-doc:checked ~ .filter-bar [for="cat-doc"] .filter-chip__num {
  background: rgba(255, 159, 28, 0.9);
  color: var(--ink);
}

.page-news #cat-all:focus-visible ~ .filter-bar [for="cat-all"],
.page-news #cat-version:focus-visible ~ .filter-bar [for="cat-version"],
.page-news #cat-member:focus-visible ~ .filter-bar [for="cat-member"],
.page-news #cat-event:focus-visible ~ .filter-bar [for="cat-event"],
.page-news #cat-doc:focus-visible ~ .filter-bar [for="cat-doc"] {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-news #cat-version:checked ~ .timeline .timeline__item:not(.entry--version),
.page-news #cat-member:checked ~ .timeline .timeline__item:not(.entry--member),
.page-news #cat-event:checked ~ .timeline .timeline__item:not(.entry--event),
.page-news #cat-doc:checked ~ .timeline .timeline__item:not(.entry--doc) {
  display: none;
}

/* 时间轴 */
.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
  position: relative;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  bottom: 18px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--hairline) 0 6px, transparent 6px 13px);
}

.page-news .timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-bottom: 24px;
}

.page-news .timeline__rail {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 26px;
}

.page-news .timeline__rail .status-dot {
  position: absolute;
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(46, 196, 182, 0.18);
}

.page-news .timeline__item.is-current .timeline__rail .status-dot {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 159, 28, 0.22);
}

.page-news .timeline__batch {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-news .timeline__when {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-80);
}

.page-news .timeline__body {
  background: var(--paper);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.2s ease-out, transform 0.2s ease-out;
}

.page-news .timeline__body:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

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

.page-news .timeline__body h3 {
  margin: 12px 0 8px;
  font-size: 1.05rem;
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink);
}

.page-news .timeline__impact {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-80);
}

.page-news .timeline__impact .mono {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
  margin-right: 6px;
}

.page-news .timeline__more {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--hairline);
}

.page-news .timeline__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--teal-deep);
}

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

.page-news .timeline__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1;
}

.page-news .timeline__more[open] summary::after {
  content: "−";
}

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

.page-news .timeline__more p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-80);
}

/* ---------- 下载与回看 ---------- */
.page-news .news-guide {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--paper);
}

.page-news .news-guide__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-news .news-guide__copy h2 {
  margin: 10px 0 16px;
  font-size: clamp(1.55rem, 3.2vw, 2.2rem);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-news .news-guide__copy > p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--ink-80);
  max-width: 62ch;
}

.page-news .news-guide__facts {
  margin: 26px 0 0;
  display: grid;
  gap: 0;
}

.page-news .news-guide__fact {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
}

.page-news .news-guide__fact dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
  padding-top: 3px;
}

.page-news .news-guide__fact dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .news-guide__aside {
  padding: 24px;
  background: var(--canvas);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
}

.page-news .news-guide__aside h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-guide__aside p {
  margin: 0 0 18px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-80);
}

.page-news .news-guide__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--teal-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 手机查看与提醒 ---------- */
.page-news .news-keep {
  padding: clamp(48px, 7vw, 88px) 0 clamp(56px, 8vw, 96px);
  background: linear-gradient(180deg, var(--canvas) 0%, #def2ee 100%);
}

.page-news .news-keep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-news .news-keep__copy h2 {
  margin: 10px 0 20px;
  font-size: clamp(1.55rem, 3.2vw, 2.2rem);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-news .news-keep__steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .news-keep__steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
}

.page-news .news-keep__steps .mono {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 2px;
}

.page-news .news-keep__steps strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.page-news .news-keep__steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-80);
}

.page-news .news-keep__figure {
  margin: 0;
  max-height: 340px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

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

.page-news .news-notify {
  margin-top: clamp(36px, 5vw, 60px);
  padding: clamp(24px, 4vw, 40px);
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-news .news-notify__head h2 {
  margin: 10px 0 6px;
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  line-height: 1.3;
  font-weight: 900;
}

.page-news .news-notify__cols {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-news .news-notify__col {
  padding-top: 16px;
  border-top: 2px solid var(--teal-mist);
}

.page-news .news-notify__col h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-notify__col p {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-80);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-news .timeline {
    --rail-line: calc(var(--rail) - 5px);
    padding-top: 4px;
  }

  .page-news .timeline::before {
    left: var(--rail-line);
    top: 20px;
    bottom: 24px;
  }

  .page-news .timeline__item {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: var(--rail-gap);
    padding-bottom: 32px;
  }

  .page-news .timeline__item:nth-child(even) .timeline__body {
    margin-left: 20px;
  }

  .page-news .timeline__rail {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    gap: 5px;
    padding-left: 0;
    padding-right: 18px;
    padding-top: 20px;
    text-align: right;
  }

  .page-news .timeline__rail .status-dot {
    left: calc(var(--rail-line) - 5px);
    top: 24px;
    transform: none;
  }

  .page-news .filter-bar {
    top: 76px;
  }
}

@media (min-width: 880px) {
  .page-news .news-status {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 34%);
  }

  .page-news .news-status__figure {
    min-height: 100%;
  }

  .page-news .news-log__head {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 40px;
  }

  .page-news .news-log__figure {
    max-height: 300px;
  }

  .page-news .archive__banner {
    grid-template-columns: 320px minmax(0, 1fr);
    align-items: center;
  }

  .page-news .archive__banner img {
    height: 180px;
  }

  .page-news .archive__banner-cap {
    padding: 22px 26px;
    font-size: 0.94rem;
  }

  .page-news .news-guide__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 48px;
  }

  .page-news .news-keep__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
  }

  .page-news .news-keep__figure {
    max-height: 420px;
  }

  .page-news .news-notify__cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-chip,
  .page-news .timeline__body,
  .page-news .news-status__link {
    transition: none;
  }

  .page-news .filter-chip:hover,
  .page-news .timeline__body:hover {
    transform: none;
  }
}