/* ============================================================
   公告中心 /announcements/ —— 页面作用域 .page-news
   ============================================================ */

.page-news {
  position: relative;
  display: block;
  overflow-x: clip;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(900px 420px at 84% -8%, rgba(123, 91, 255, .16), transparent 62%),
    radial-gradient(720px 380px at 6% 6%, rgba(23, 224, 176, .10), transparent 60%),
    var(--ink);
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

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

/* ---------- 顶部题头：刊物封面式的信息卡 ---------- */

.page-news .news-masthead {
  position: relative;
  padding: clamp(22px, 4vw, 48px) 0 clamp(24px, 4vw, 42px);
  border-bottom: 2px solid var(--line);
  background-image:
    linear-gradient(rgba(42, 53, 80, .34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 53, 80, .34) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-news .news-masthead .crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .news-masthead .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .news-masthead .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-masthead .crumbs span[aria-hidden] {
  margin: 0 8px;
  color: var(--line);
}

.page-news .news-masthead h1 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(36px, 8vw, 64px);
  line-height: 1.04;
  letter-spacing: .01em;
}

.page-news .news-masthead .lead {
  max-width: 68ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--text);
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-news .news-fact {
  background: var(--panel);
  padding: 13px 15px 15px;
}

.page-news .news-fact dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-news .news-fact dd {
  margin: 7px 0 0;
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--cyan);
}

/* ---------- 栏目索引条 ---------- */

.page-news .news-filters {
  border-bottom: 2px solid var(--line);
  background: var(--panel);
}

.page-news .filter-row {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 13px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .filter-row li {
  flex: 0 0 auto;
}

.page-news .filter-link {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 15px 7px;
  border: 2px solid var(--line);
  box-shadow: inset 0 -3px 0 transparent;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.page-news .filter-link:hover,
.page-news .filter-link:focus-visible {
  color: var(--text);
  border-color: var(--amber);
  background: rgba(255, 176, 32, .09);
  box-shadow: inset 0 -3px 0 var(--amber);
}

/* ---------- 栏目封面 ---------- */

.page-news .news-cover {
  margin: clamp(20px, 3vw, 34px) 0 0;
}

.page-news .news-cover img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid var(--line);
}

.page-news .news-cover figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 公告分组与卡片网格 ---------- */

.page-news .ann-group {
  padding: clamp(30px, 4.4vw, 56px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .ann-group--ver { --cat: var(--cyan);   --cat-glow: rgba(23, 224, 176, .30); }
.page-news .ann-group--idx { --cat: var(--amber);  --cat-glow: rgba(255, 176, 32, .28); }
.page-news .ann-group--ser { --cat: var(--violet); --cat-glow: rgba(123, 91, 255, .34); }
.page-news .ann-group--cfg { --cat: var(--violet); --cat-glow: rgba(123, 91, 255, .28); }
.page-news .ann-group--svc { --cat: var(--muted);  --cat-glow: rgba(148, 166, 196, .26); }

.page-news .ann-group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(16px, 2.2vw, 24px);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-news .ann-mark {
  flex: none;
  width: 14px;
  height: 14px;
  background: var(--cat, var(--cyan));
  box-shadow: 0 0 14px var(--cat, var(--cyan));
}

.page-news .ann-group--cfg .ann-mark {
  background: transparent;
  border: 3px solid var(--violet);
  box-shadow: 0 0 14px rgba(123, 91, 255, .6);
}

.page-news .ann-group-head h2 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 800;
  letter-spacing: .04em;
}

.page-news .ann-count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .ann-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .ann-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(16px, 2vw, 22px);
  background: var(--card);
  border: 2px solid var(--line);
  border-left: 5px solid var(--cat, var(--cyan));
  box-shadow: var(--hard);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.page-news .ann-card:hover {
  transform: translate(-3px, -3px);
  border-color: var(--cat, var(--cyan));
  box-shadow: 7px 7px 0 var(--cat-glow, rgba(23, 224, 176, .3));
}

.page-news .ann-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.page-news .ann-badge {
  padding: 4px 9px 3px;
  border: 2px solid var(--cat, var(--cyan));
  color: var(--cat, var(--cyan));
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-news .ann-time {
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--muted);
}

.page-news .ann-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-news .ann-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .ann-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-news .ann-links a {
  padding-bottom: 2px;
  border-bottom: 2px solid var(--cat, var(--cyan));
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  transition: color .16s ease;
}

.page-news .ann-links a:hover {
  color: var(--cat, var(--cyan));
}

/* ---------- 长内容区块通用 ---------- */

.page-news .news-block {
  padding: clamp(34px, 5vw, 68px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-block h2 {
  margin: 12px 0 18px;
  font-family: var(--serif);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.26;
}

.page-news .block-intro {
  max-width: 74ch;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .nb-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted);
}

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

.page-news .nb-aside {
  align-self: start;
  padding: 18px 18px 20px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-top: 4px solid var(--cyan);
  box-shadow: var(--hard);
}

.page-news .aside-title {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .ver-list,
.page-news .mini-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ver-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}

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

.page-news .ver-label {
  font-size: 13px;
  color: var(--muted);
}

.page-news .ver-num {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--violet);
}

.page-news .aside-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .aside-link {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--cyan);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
}

.page-news .aside-link:hover {
  color: var(--cyan);
}

.page-news .mini-list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
}

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

.page-news .mini-when {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-news .media-frame {
  margin: 0;
}

.page-news .media-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid var(--line);
}

.page-news .media-frame figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .rhythm-figure {
  margin-top: clamp(24px, 3.4vw, 40px);
}

/* ---------- 专题系列连载 ---------- */

.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.page-news .series-figure img {
  aspect-ratio: 10 / 7;
}

.page-news .series-link {
  display: inline-block;
  margin-top: 8px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--violet);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
}

.page-news .series-link:hover {
  color: var(--violet);
}

/* ---------- 索引分类列表 ---------- */

.page-news .cat-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-news .cat-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas: "num title" "num desc";
  gap: 4px 14px;
  padding: 16px 16px 16px 0;
  border-bottom: 1px solid var(--line);
  transition: background .16s ease;
}

.page-news .cat-item:hover {
  background: rgba(20, 28, 46, .7);
}

.page-news .cat-idx {
  grid-area: num;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  padding-top: 4px;
}

.page-news .cat-item h3 {
  grid-area: title;
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .03em;
}

.page-news .cat-item p {
  grid-area: desc;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .cat-item--1 { border-left: 4px solid var(--cyan); padding-left: 14px; }
.page-news .cat-item--2 { border-left: 4px solid var(--amber); padding-left: 14px; }
.page-news .cat-item--3 { border-left: 4px solid var(--violet); padding-left: 14px; }
.page-news .cat-item--4 { border-left: 4px solid var(--line); padding-left: 14px; }
.page-news .cat-item--5 { border-left: 4px solid var(--muted); padding-left: 14px; }

.page-news .growth-figure {
  margin-top: clamp(24px, 3.4vw, 40px);
}

/* ---------- 变更影响提示 ---------- */

.page-news .impact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .impact-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2vw, 22px);
  background: var(--panel);
  border: 2px solid var(--line);
  border-top: 5px solid var(--it, var(--cyan));
  box-shadow: var(--hard);
}

.page-news .impact-item--cyan   { --it: var(--cyan); }
.page-news .impact-item--amber  { --it: var(--amber); }
.page-news .impact-item--violet { --it: var(--violet); }
.page-news .impact-item--muted  { --it: var(--muted); }

.page-news .impact-k {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--it, var(--cyan));
}

.page-news .impact-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .impact-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .impact-item a {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--it, var(--cyan));
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
}

.page-news .impact-item a:hover {
  color: var(--it, var(--cyan));
}

/* ---------- 回溯与反馈 ---------- */

.page-news .follow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.page-news .follow-main p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted);
}

.page-news .back-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-news .back-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
}

.page-news .back-list a {
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

.page-news .back-list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .back-list .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .follow-contact {
  padding: 20px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-top: 4px solid var(--amber);
  box-shadow: var(--hard);
}

.page-news .follow-contact .aside-title {
  color: var(--amber);
}

.page-news .contact-line {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 12px;
}

.page-news .contact-key {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-news .contact-code,
.page-news .contact-plain {
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--text);
  word-break: break-all;
  background: transparent;
  padding: 0;
}

.page-news .contact-code {
  color: var(--amber);
}

.page-news .contact-tip {
  margin: 8px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .contact-more {
  margin: 14px 0 0;
}

.page-news .contact-more a {
  padding-bottom: 2px;
  border-bottom: 2px solid var(--amber);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
}

.page-news .contact-more a:hover {
  color: var(--amber);
}

/* ---------- 断点：小屏之上 ---------- */

@media (min-width: 560px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-news .ann-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .impact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .nb-grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: clamp(20px, 3vw, 40px);
  }

  .page-news .follow-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
  }
}

@media (min-width: 1040px) {
  .page-news .ann-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .ann-card--wide {
    grid-column: span 2;
  }
}

@media (min-width: 1240px) {
  .page-news .news-masthead {
    background-size: 72px 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .ann-card,
  .page-news .filter-link,
  .page-news .cat-item {
    transition: none;
  }

  .page-news .ann-card:hover {
    transform: none;
  }
}