.page-news {
  --news-radius: 2px;
  background: var(--pearl);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding-top: clamp(18px, 3.6vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(40px, 6vw, 76px);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  max-width: 18ch;
  color: var(--deep-sea);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(2rem, 6.6vw, 4.1rem);
  line-height: 1.06;
}

.page-news .news-hero__lede {
  margin-top: clamp(18px, 2.6vw, 26px);
  max-width: 58ch;
  color: var(--graphite);
}

.page-news .news-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: clamp(20px, 3vw, 26px) 0 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-news .news-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .news-hero__num {
  display: block;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  font-weight: 500;
  color: var(--deep-sea);
  line-height: 1.15;
  word-break: break-word;
}

.page-news .news-hero__label {
  display: block;
  font-size: 13px;
  color: var(--graphite);
}

.page-news .news-hero__figure {
  margin: clamp(28px, 4.6vw, 46px) auto 0;
  border: 1px solid var(--mist);
  border-radius: var(--news-radius);
  background: var(--sand);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

/* ---------- 分类筛选带 ---------- */
.page-news .news-filter {
  background: var(--sand);
  border-top: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
  padding: clamp(40px, 6vw, 78px) 0;
}

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

.page-news .news-filter__note {
  margin-top: 16px;
  max-width: 52ch;
  color: var(--graphite);
  line-height: 1.75;
}

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

.page-news .news-filter__figure {
  margin: 0;
  border: 1px solid var(--mist);
  border-radius: var(--news-radius);
  background: var(--pearl);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

/* ---------- 时间轴 ---------- */
.page-news .news-log {
  padding: clamp(52px, 7vw, 108px) 0;
}

.page-news .news-log__lede {
  margin-top: 16px;
  max-width: 56ch;
  color: var(--graphite);
}

.page-news .news-axis {
  position: relative;
  margin-top: clamp(30px, 4.6vw, 52px);
  padding-left: 24px;
  display: grid;
  gap: clamp(20px, 3.2vw, 36px);
}

.page-news .news-axis::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--mist);
}

.page-news .news-axis__item {
  position: relative;
  border: 1px solid var(--mist);
  border-radius: var(--news-radius);
  background: var(--pearl);
  box-shadow: var(--shadow-1);
  transition: border-color var(--t-micro) var(--ease), box-shadow var(--t-micro) var(--ease);
}

.page-news .news-axis__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--pearl);
  border: 1px solid var(--mid-sea);
  box-sizing: border-box;
  transition: background var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
}

.page-news .news-axis__item.is-current::before {
  background: var(--coral);
  border-color: var(--coral);
}

.page-news .news-axis__item:hover {
  border-color: var(--mid-sea);
  box-shadow: var(--shadow-2);
}

.page-news .news-axis__item[open] {
  border-color: var(--mid-sea);
  box-shadow: var(--shadow-2);
}

.page-news .news-axis__summary {
  position: relative;
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 22px) clamp(40px, 5vw, 52px) clamp(16px, 2.4vw, 22px) clamp(16px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-axis__summary::after {
  content: "+";
  position: absolute;
  right: clamp(14px, 2vw, 20px);
  top: clamp(16px, 2.4vw, 22px);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mid-sea);
  transition: transform var(--t-expand) var(--ease), color var(--t-micro) var(--ease);
}

.page-news .news-axis__item[open] .news-axis__summary::after {
  content: "−";
  color: var(--coral);
}

.page-news .news-axis__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.page-news .news-axis__stamp {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

.page-news .news-axis__no {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--tide);
}

.page-news .news-axis__title {
  display: block;
  font-size: clamp(1.02rem, 2.5vw, 1.28rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
}

.page-news .news-axis__body {
  padding: 0 clamp(16px, 2.4vw, 22px) clamp(18px, 2.6vw, 24px);
  border-top: 1px solid var(--mist);
  margin: 0 clamp(16px, 2.4vw, 22px) 0;
  padding-left: 0;
  padding-right: 0;
}

.page-news .news-axis__body p {
  margin-top: 16px;
  max-width: 62ch;
  color: var(--graphite);
  line-height: 1.78;
}

/* ---------- 焕新版对照系列 ---------- */
.page-news .news-refresh {
  background: var(--deep-sea);
  color: var(--pearl);
  padding: clamp(52px, 7vw, 104px) 0;
}

.page-news .news-refresh__kicker {
  color: var(--coral);
}

.page-news .news-refresh__title {
  color: var(--pearl);
  margin-top: 12px;
  max-width: 22ch;
}

.page-news .news-refresh__lede {
  margin-top: 18px;
  max-width: 58ch;
  color: rgba(248, 246, 242, 0.78);
  line-height: 1.78;
}

.page-news .news-refresh__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  margin-top: clamp(30px, 4.4vw, 48px);
}

.page-news .news-refresh__card {
  border: 1px solid rgba(248, 246, 242, 0.22);
  border-radius: var(--news-radius);
  background: var(--night-sea);
  padding: clamp(20px, 3vw, 28px);
}

.page-news .news-refresh__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--coral);
}

.page-news .news-refresh__card .card-title {
  margin: 12px 0 0;
  color: var(--pearl);
}

.page-news .news-refresh__card p:last-child {
  margin-top: 12px;
  color: rgba(248, 246, 242, 0.74);
  line-height: 1.76;
}

.page-news .news-refresh__foot {
  margin-top: clamp(24px, 3.4vw, 34px);
  color: rgba(248, 246, 242, 0.74);
  line-height: 1.78;
}

.page-news .news-refresh__foot a {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 设备适配 ---------- */
.page-news .news-device {
  padding: clamp(52px, 7vw, 104px) 0;
  background: var(--pearl);
}

.page-news .news-device__inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-news .news-device__figure {
  margin: 0;
  border: 1px solid var(--mist);
  border-radius: var(--news-radius);
  background: var(--sand);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

.page-news .news-device__body p {
  margin-top: 16px;
  max-width: 56ch;
  color: var(--graphite);
  line-height: 1.78;
}

.page-news .news-device__list {
  margin-top: clamp(22px, 3vw, 30px);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-news .news-device__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--mist);
  color: var(--graphite);
  line-height: 1.7;
}

.page-news .news-device__key {
  flex: 0 0 auto;
  min-width: 9ch;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--deep-sea);
}

/* ---------- 资料库与服务清单调整 ---------- */
.page-news .news-library {
  background: var(--sand);
  border-top: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
  padding: clamp(52px, 7vw, 104px) 0;
}

.page-news .news-library__inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-news .news-library__body p {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--graphite);
  line-height: 1.78;
}

.page-news .news-library__body a {
  color: var(--mid-sea);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-library__figure {
  margin: 0;
  border: 1px solid var(--mist);
  border-radius: var(--news-radius);
  background: var(--pearl);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

/* ---------- 历史回看 ---------- */
.page-news .news-archive {
  padding: clamp(52px, 7vw, 108px) 0;
}

.page-news .news-archive__lede {
  margin-top: 16px;
  max-width: 56ch;
  color: var(--graphite);
}

.page-news .news-archive__groups {
  display: grid;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-news .news-archive__group {
  border: 1px solid var(--mist);
  border-radius: var(--news-radius);
  background: var(--pearl);
  box-shadow: var(--shadow-1);
}

.page-news .news-archive__group[open] {
  border-color: var(--mid-sea);
}

.page-news .news-archive__summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 16px clamp(16px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--deep-sea);
}

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

.page-news .news-archive__count {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--tide);
  font-weight: 500;
}

.page-news .news-archive__group ul {
  margin: 0;
  padding: 0 clamp(16px, 2.4vw, 22px) 18px;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-news .news-archive__group li {
  position: relative;
  padding: 12px 0 12px 18px;
  color: var(--graphite);
  line-height: 1.72;
  border-bottom: 1px dashed var(--mist);
}

.page-news .news-archive__group li:last-child {
  border-bottom: 0;
}

.page-news .news-archive__group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral-soft);
  border: 1px solid var(--coral);
  box-sizing: border-box;
}

.page-news .news-archive__remind {
  margin-top: clamp(32px, 4.6vw, 52px);
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid var(--mist);
  border-left: 3px solid var(--coral);
  border-radius: var(--news-radius);
  background: var(--pearl);
  box-shadow: var(--shadow-1);
}

.page-news .news-archive__list {
  margin: 18px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 12px;
  color: var(--graphite);
  line-height: 1.76;
}

.page-news .news-archive__list a,
.page-news .news-archive__foot a {
  color: var(--mid-sea);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-archive__foot {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--mist);
  color: var(--graphite);
  line-height: 1.76;
}

/* ---------- 焦点与响应式 ---------- */
.page-news .news-axis__summary:focus-visible,
.page-news .news-archive__summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: -2px;
}

@media (min-width: 640px) {
  .page-news .news-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-filter__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

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

  .page-news .news-device__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-library__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-news .news-library__figure {
    order: -1;
  }

  .page-news .news-axis {
    padding-left: 30px;
  }

  .page-news .news-axis::before {
    left: 9px;
  }

  .page-news .news-axis__item::before {
    left: -25px;
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero__title {
    font-size: clamp(2.6rem, 5.6vw, 4.1rem);
  }

  .page-news .news-axis {
    padding-left: 38px;
  }

  .page-news .news-axis::before {
    left: 12px;
  }

  .page-news .news-axis__item::before {
    left: -30px;
    width: 11px;
    height: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-axis__item,
  .page-news .news-axis__summary::after,
  .page-news .news-axis__item::before {
    transition: none;
  }
}