/* ============================================================
   新闻中心 · /news/
   作用域：.page-news
   依赖共享变量与共享组件类，不重写头部/页脚
   ============================================================ */

.page-news {
  /* 页面局部变量（仅在页面作用域生效） */
  --news-rule: rgba(12, 20, 31, .12);
  --news-rule-strong: rgba(12, 20, 31, .24);
  --news-shadow: 0 22px 46px -30px rgba(10, 34, 68, .55);
}

/* ---------- 面包屑间距微调 ---------- */
.page-news .crumb {
  margin: 1.25rem 0 .25rem;
}

/* ============================================================
   1. 首屏 / 页面头部
   ============================================================ */
.page-news .news-mast {
  padding-bottom: 1rem;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(239, 90, 12, .10) 0%, transparent 58%),
    linear-gradient(180deg, var(--snow) 0%, var(--snow-2) 100%);
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-mast__grid {
  display: grid;
  gap: 2rem;
  padding-block: 1.5rem 2.75rem;
}

.page-news .news-mast__eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange-deep);
}

.page-news .news-mast__title {
  margin: 0 0 1.1rem;
  color: var(--ink);
  letter-spacing: -.02em;
}

.page-news .news-mast__copy .lede {
  max-width: 46ch;
  color: var(--ink-2);
}

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

.page-news .news-mast__figure .figure__media {
  border-radius: var(--r-md);
  border: 1px solid var(--news-rule-strong);
  background: var(--sand);
}

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

.page-news .news-mast__figure .figure__cap {
  margin-top: .7rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--ink-2);
}

/* ============================================================
   2. 头条文章
   ============================================================ */
.page-news .news-lead-section {
  padding-top: 3rem;
}

.page-news .news-lead {
  display: grid;
  gap: 1.6rem;
  padding: 1.4rem;
  border: 1px solid var(--news-rule-strong);
  border-radius: var(--r-lg);
  background:
    linear-gradient(135deg, rgba(239, 90, 12, .05) 0%, transparent 55%),
    var(--snow);
  box-shadow: var(--news-shadow);
}

.page-news .news-lead__media {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--sand);
  border: 1px solid var(--news-rule);
}

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

.page-news .news-lead__body {
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.page-news .news-lead__meta {
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
}

.page-news .news-lead__date {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--ink-2);
}

.page-news .news-lead__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.28;
  font-weight: 700;
  color: var(--blue-2);
  letter-spacing: -.01em;
}

.page-news .news-lead__body p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.78;
}

.page-news .news-lead__body .btn {
  align-self: flex-start;
  margin-top: .4rem;
}

/* ============================================================
   3. 动态列表 + 侧栏
   ============================================================ */
.page-news .news-stream {
  padding-top: 3.5rem;
}

.page-news .news-stream__grid {
  display: grid;
  gap: 2.5rem;
}

.page-news .news-stream__main .section-head {
  margin-bottom: 1.6rem;
}

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

.page-news .news-item {
  padding: 1.4rem 0 1.5rem;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-item__head {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: .55rem;
}

.page-news .news-item__date {
  font-size: .74rem;
  letter-spacing: .07em;
  color: var(--ink-2);
}

.page-news .news-item__title {
  margin: 0 0 .5rem;
  font-size: clamp(1.02rem, 1.9vw, 1.2rem);
  line-height: 1.45;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-item__title::before {
  content: "";
  display: inline-block;
  width: .5rem;
  height: .5rem;
  margin-right: .55rem;
  background: var(--orange);
  transform: translateY(-.15em);
}

.page-news .news-item p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.78;
  max-width: 62ch;
}

/* 侧栏 */
.page-news .news-aside {
  display: grid;
  gap: 1.4rem;
  align-content: start;
}

.page-news .news-aside__panel {
  border: 1px solid var(--news-rule-strong);
  border-radius: var(--r-md);
  background: var(--snow);
  overflow: hidden;
}

.page-news .news-aside__panel .panel__head {
  padding: 1rem 1.1rem .8rem;
  border-bottom: 1px solid var(--news-rule);
  background: linear-gradient(180deg, var(--blue-2) 0%, var(--blue) 100%);
  color: var(--snow);
}

.page-news .news-aside__panel-title {
  margin: .35rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--snow);
}

.page-news .news-aside__panel .panel__head .index-num {
  color: var(--orange-2);
}

.page-news .news-aside__panel .panel__body {
  padding: 1rem 1.1rem 1.2rem;
}

.page-news .news-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-news .news-aside__list li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  font-size: .88rem;
  line-height: 1.6;
  color: var(--ink-2);
}

.page-news .news-aside__list .dot {
  flex: none;
  transform: translateY(-.12em);
}

.page-news .news-aside__note {
  padding: 1.1rem;
  border-left: 3px solid var(--orange);
  background: var(--sand);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.page-news .news-aside__note-title {
  margin: 0 0 .5rem;
  font-size: .98rem;
  font-weight: 700;
  color: var(--blue-2);
}

.page-news .news-aside__note p {
  margin: 0 0 .7rem;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--ink-2);
}

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

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

.page-news .news-aside__note a:hover {
  color: var(--orange-deep);
}

.page-news .news-aside__contact {
  font-family: var(--mono);
  font-size: .78rem !important;
  letter-spacing: .02em;
  word-break: break-all;
}

/* ============================================================
   4. 延伸入口
   ============================================================ */
.page-news .news-foot {
  padding-top: 3.5rem;
  padding-bottom: 3rem;
  background:
    linear-gradient(0deg, var(--snow-2) 0%, var(--snow) 100%);
  border-top: 1px solid var(--news-rule);
}

.page-news .news-foot__grid {
  display: grid;
  gap: 2rem;
}

.page-news .news-foot__intro .lede {
  max-width: 44ch;
  color: var(--ink-2);
}

.page-news .news-foot__links {
  display: grid;
  gap: .9rem;
}

.page-news .news-foot__link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num label"
    "num note";
  column-gap: .9rem;
  align-items: baseline;
  padding: .95rem 1.1rem;
  border: 1px solid var(--news-rule-strong);
  border-radius: var(--r-md);
  background: var(--snow);
  text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .news-foot__link:hover,
.page-news .news-foot__link:focus-visible {
  transform: translateX(4px);
  border-color: var(--orange);
  background: #fff;
  outline: none;
}

.page-news .news-foot__link .index-num {
  grid-area: num;
  align-self: start;
  color: var(--orange-deep);
}

.page-news .news-foot__link-label {
  grid-area: label;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--blue-2);
}

.page-news .news-foot__link-note {
  grid-area: note;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--ink-2);
}

/* ============================================================
   5. 显现效果（渐进增强，依赖 site.js 添加 .has-reveal）
   ============================================================ */
.page-news .has-reveal .news-item[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

.page-news .has-reveal .news-item[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   6. 响应式：先移动端，再逐步展开
   ============================================================ */
@media (min-width: 640px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
    padding: 1.6rem;
    gap: 1.8rem;
  }

  .page-news .news-lead__media {
    height: 100%;
  }

  .page-news .news-lead__media img {
    height: 100%;
    min-height: 220px;
  }

  .page-news .news-lead__body {
    justify-content: center;
  }
}

@media (min-width: 900px) {
  .page-news .news-mast__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
    gap: 3rem;
    padding-block: 2.25rem 3.5rem;
  }

  .page-news .news-stream__grid {
    grid-template-columns: minmax(0, 2.15fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-news .news-aside {
    position: sticky;
    top: 6rem;
  }

  .page-news .news-foot__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 3.5rem;
  }

  .page-news .news-foot__links {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .page-news .news-mast__title {
    font-size: 2rem;
  }

  .page-news .news-lead {
    padding: 1.1rem;
  }

  .page-news .news-foot__link {
    padding: .8rem .9rem;
  }
}