/* ============ page-news 页面作用域 ============ */

.page-news {
  background:
    radial-gradient(rgba(29, 78, 137, 0.045) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--cream);
  padding-block: clamp(0.75rem, 3vw, 1.75rem) 0;
}

/* ---------- 面包屑与首屏 ---------- */
.page-news .breadcrumbs {
  font-size: 0.82rem;
  margin-bottom: 0.75rem;
  color: var(--sage);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.page-news .breadcrumbs__link {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .breadcrumbs__link:hover {
  border-bottom-color: var(--orange);
}

.page-news .breadcrumbs__sep {
  opacity: 0.5;
}

.page-news .breadcrumbs__current {
  color: var(--ink);
  font-weight: 500;
}

.page-news .news-hero {
  position: relative;
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 3vw, 2.25rem) clamp(1.1rem, 3vw, 2rem);
  margin-bottom: 1.75rem;
  background: rgba(255, 255, 255, 0.94);
  border-top: 4px solid var(--navy);
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 4px;
  right: 0;
  width: 42px;
  height: 42px;
  background: var(--orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  border-top-right-radius: var(--radius);
  opacity: 0.85;
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: 1.05fr 1fr;
    align-items: end;
    gap: 2.5rem;
  }
}

.page-news .news-hero .eyebrow {
  margin: 0 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--orange-dark);
  text-transform: uppercase;
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4vw, 2.95rem);
  line-height: 1.2;
  color: var(--navy-deep);
  letter-spacing: 0.01em;
}

.page-news .news-hero .lede {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.82;
  color: var(--ink);
  max-width: 44ch;
}

.page-news .news-hero__stats {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

@media (min-width: 600px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.6rem 0.75rem;
  background: rgba(221, 231, 220, 0.75);
  border-left: 3px solid var(--navy);
  border-radius: var(--radius);
}

.page-news .news-hero__stats strong {
  font-family: var(--mono);
  font-size: 1.4rem;
  line-height: 1.1;
  color: var(--navy);
  font-weight: 700;
}

.page-news .news-hero__stats span {
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--ink);
  opacity: 0.85;
}

/* ---------- 分屏骨架（作用域内调整） ---------- */
.page-news .page-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
  padding-bottom: 2rem;
}

@media (min-width: 960px) {
  .page-news .page-shell {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 2.5rem;
  }
}

/* ---------- 左栏目录 ---------- */
.page-news .rail {
  background: rgba(255, 255, 255, 0.88);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}

@media (min-width: 960px) {
  .page-news .rail {
    position: sticky;
    top: calc(var(--header-bar-h) + var(--header-nav-h) + 1rem);
    align-self: start;
  }
}

.page-news .rail__head {
  margin: 0 0 0.7rem;
  padding-bottom: 0.45rem;
  font-family: var(--serif);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--navy-deep);
  border-bottom: 1px solid var(--line);
}

.page-news .rail-nav {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.page-news .rail-nav__link {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.42rem 0.5rem;
  font-size: 0.88rem;
  color: var(--navy-deep);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .rail-nav__link:hover,
.page-news .rail-nav__link.is-current {
  background: rgba(29, 78, 137, 0.08);
  border-left-color: var(--orange);
  color: var(--navy);
}

.page-news .rail-nav__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--orange);
  flex: 0 0 auto;
}

.page-news .rail__foot {
  margin: 0.9rem 0 0;
  padding-top: 0.7rem;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.7;
  border-top: 1px dashed var(--line);
}

@media (max-width: 959px) {
  .page-news .rail__foot {
    display: none;
  }
  .page-news .rail-nav {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.3rem;
    gap: 0.35rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .page-news .rail-nav__link {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0.35rem 0.6rem;
    font-size: 0.82rem;
    border-left: 0;
    border-bottom: 2px solid transparent;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.55);
  }
  .page-news .rail-nav__link.is-current,
  .page-news .rail-nav__link:hover {
    border-left-color: transparent;
    border-bottom-color: var(--orange);
    background: rgba(29, 78, 137, 0.08);
  }
}

/* ---------- 正文列 ---------- */
.page-news .news-main {
  min-width: 0;
}

.page-news .news-section {
  scroll-margin-top: calc(var(--header-bar-h) + var(--header-nav-h) + 1rem);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-section:last-of-type {
  border-bottom: 0;
}

.page-news .news-section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.9rem;
  align-items: start;
  margin-bottom: 1.1rem;
}

.page-news .news-section__num {
  grid-row: 1 / span 2;
  font-family: var(--mono);
  font-size: 2.2rem;
  line-height: 1;
  font-weight: 700;
  color: var(--orange-soft);
  align-self: center;
}

.page-news .news-section__head h2 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  line-height: 1.25;
  color: var(--navy-deep);
}

.page-news .news-section__sub {
  grid-column: 2;
  grid-row: 2;
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink);
  max-width: 58ch;
  opacity: 0.86;
}

/* ---------- 图片占位容器 ---------- */
.page-news .figure {
  margin: 0 0 1.1rem;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .figure__frame {
  display: block;
  line-height: 0;
  background: linear-gradient(135deg, rgba(29, 78, 137, 0.06), rgba(244, 162, 97, 0.09));
}

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

.page-news .figure__cap {
  padding: 0.5rem 0.85rem;
  font-size: 0.78rem;
  color: var(--ink);
  opacity: 0.82;
  background: rgba(255, 255, 255, 0.6);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 01 分类索引网格 ---------- */
.page-news .cat-grid {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.8rem;
}

.page-news .cat-item {
  position: relative;
  padding: 0.8rem 0.9rem 0.9rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

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

.page-news .cat-item__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .cat-item__name {
  margin: 0.15rem 0 0.35rem;
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--navy-deep);
}

.page-news .cat-item__tags {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 02 场景折叠条 ---------- */
.page-news .scene-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.page-news .scene-item {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-left: 3px solid var(--sage);
  border-radius: var(--radius);
  padding: 0.72rem 1rem;
}

.page-news .scene-item[open] {
  background: rgba(221, 231, 220, 0.7);
}

.page-news .scene-item summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  cursor: pointer;
  list-style: none;
}

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

.page-news .scene-item summary::after {
  content: "＋";
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--orange);
  margin-left: auto;
}

.page-news .scene-item[open] summary::after {
  content: "－";
}

.page-news .scene-item__title {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--navy-deep);
}

.page-news .scene-item__hint {
  font-size: 0.76rem;
  color: var(--sage);
  letter-spacing: 0.02em;
}

.page-news .scene-item__body {
  margin: 0.75rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--line);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 03 案例卡片 ---------- */
.page-news .case-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

@media (min-width: 700px) {
  .page-news .case-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .case-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.9rem 1rem 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: var(--radius);
  box-shadow: 0 8px 18px -16px rgba(18, 52, 91, 0.5);
}

.page-news .case-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.page-news .case-card__num {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy);
}

.page-news .case-card__status {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.page-news .case-card__status--ok {
  background: rgba(90, 125, 107, 0.15);
  border: 1px solid rgba(90, 125, 107, 0.42);
  color: var(--sage);
}

.page-news .case-card__status--need {
  background: rgba(232, 112, 42, 0.12);
  border: 1px solid rgba(232, 112, 42, 0.38);
  color: var(--orange-dark);
}

.page-news .case-card__status--na {
  background: rgba(196, 69, 54, 0.1);
  border: 1px solid rgba(196, 69, 54, 0.38);
  color: var(--danger);
}

.page-news .case-card__title {
  margin: 0.1rem 0 0;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.42;
  color: var(--navy-deep);
}

.page-news .case-card__meta {
  margin: 0;
  font-size: 0.77rem;
  line-height: 1.6;
  color: var(--sage);
}

.page-news .case-card__details {
  margin-top: 0.45rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--line-soft);
}

.page-news .case-card__details summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--orange-dark);
}

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

.page-news .case-card__details summary::before {
  content: "▸ ";
  color: var(--orange);
}

.page-news .case-card__details[open] summary::before {
  content: "▾ ";
}

.page-news .case-card__steps {
  margin: 0.5rem 0 0;
  padding-left: 1.15rem;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .case-card__steps li {
  margin-bottom: 0.3rem;
}

/* ---------- 04 近期条目 ---------- */
.page-news .entry-list {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.page-news .entry-item {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-news .entry-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem 0.85rem;
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry-item__label {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: rgba(29, 78, 137, 0.1);
  color: var(--navy);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.page-news .entry-item__title {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .entry-item__time {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--sage);
  white-space: nowrap;
}

.page-news .entry-item__body {
  margin: 0;
  padding: 0.6rem 0.85rem 0.85rem;
  border-top: 1px dashed var(--line-soft);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--ink);
}

@media (max-width: 640px) {
  .page-news .entry-item summary {
    grid-template-columns: 1fr;
    gap: 0.3rem;
    align-items: start;
  }
}

/* ---------- 05 版本路径与归档 ---------- */
.page-news .version-path {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  gap: 0.8rem;
}

@media (min-width: 720px) {
  .page-news .version-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    position: relative;
  }
  .page-news .version-path::before {
    content: "";
    position: absolute;
    top: 1.55rem;
    left: 0.5rem;
    right: 0.5rem;
    height: 2px;
    background: linear-gradient(90deg, var(--navy), var(--orange-soft) 60%, var(--orange));
    z-index: 0;
  }
}

.page-news .version-step {
  position: relative;
  z-index: 1;
  padding: 0.9rem 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--navy);
  border-radius: var(--radius);
}

.page-news .version-step__num {
  margin: 0 0 0.15rem;
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--orange);
}

.page-news .version-step__name {
  margin: 0 0 0.3rem;
  font-family: var(--serif);
  font-size: 0.98rem;
  color: var(--navy-deep);
}

.page-news .version-step__desc {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.88;
}

.page-news .topic-arch {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

@media (min-width: 720px) {
  .page-news .topic-arch {
    grid-template-columns: 1fr 1fr;
  }
}

.page-news .topic-arch__card {
  background: var(--mint);
  border-left: 3px solid var(--sage);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem 1rem;
}

.page-news .topic-arch__title {
  margin: 0 0 0.35rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--navy-deep);
}

.page-news .topic-arch__desc {
  margin: 0 0 0.6rem;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--ink);
}

.page-news .topic-arch__link {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--orange-dark);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-news .topic-arch__link:hover {
  color: var(--orange);
}

/* ---------- 返回目录 ---------- */
.page-news .news-backtop {
  text-align: center;
  margin: 1rem 0 2rem;
}

.page-news .news-backtop a {
  display: inline-block;
  padding: 0.55rem 1.15rem;
  font-size: 0.84rem;
  color: var(--navy);
  text-decoration: none;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .news-backtop a:hover {
  border-color: var(--orange);
  color: var(--orange-dark);
}